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authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-05-13 14:29:12 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-08-11 02:41:59 -0700
commit9aa3283595451ca093500ff0977b106e1f465586 (patch)
tree89cd128f037b029b67f73fbff7d8cc38177c2b27 /drivers/net/ibm_newemac
parent86387e1ac4fcaa45ff5578013a78593d1a0ba279 (diff)
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ehea/ibm*: Move the IBM drivers
Move the IBM drivers into drivers/net/ethernet/ibm/ and make the necessary Kconfig and Makefile changes. - Renamed ibm_new_emac to emac - Cleaned up Makefile and Kconfig options which referred to IBM_NEW_EMAC to IBM_EMAC - ibmlana driver is a National Semiconductor SONIC driver so it was not moved CC: Christoph Raisch <raisch@de.ibm.com> CC: Santiago Leon <santil@linux.vnet.ibm.com> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org> CC: David Gibson <dwg@au1.ibm.com> CC: Kyle Lucke <klucke@us.ibm.com> CC: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ibm_newemac')
-rw-r--r--drivers/net/ibm_newemac/Kconfig76
-rw-r--r--drivers/net/ibm_newemac/Makefile11
-rw-r--r--drivers/net/ibm_newemac/core.c3074
-rw-r--r--drivers/net/ibm_newemac/core.h462
-rw-r--r--drivers/net/ibm_newemac/debug.c270
-rw-r--r--drivers/net/ibm_newemac/debug.h83
-rw-r--r--drivers/net/ibm_newemac/emac.h312
-rw-r--r--drivers/net/ibm_newemac/mal.c809
-rw-r--r--drivers/net/ibm_newemac/mal.h316
-rw-r--r--drivers/net/ibm_newemac/phy.c541
-rw-r--r--drivers/net/ibm_newemac/phy.h87
-rw-r--r--drivers/net/ibm_newemac/rgmii.c338
-rw-r--r--drivers/net/ibm_newemac/rgmii.h82
-rw-r--r--drivers/net/ibm_newemac/tah.c185
-rw-r--r--drivers/net/ibm_newemac/tah.h95
-rw-r--r--drivers/net/ibm_newemac/zmii.c332
-rw-r--r--drivers/net/ibm_newemac/zmii.h78
17 files changed, 0 insertions, 7151 deletions
diff --git a/drivers/net/ibm_newemac/Kconfig b/drivers/net/ibm_newemac/Kconfig
deleted file mode 100644
index 78a1628c9892..000000000000
--- a/drivers/net/ibm_newemac/Kconfig
+++ /dev/null
@@ -1,76 +0,0 @@
-config IBM_NEW_EMAC
- tristate "IBM EMAC Ethernet support"
- depends on PPC_DCR
- select CRC32
- help
- This driver supports the IBM EMAC family of Ethernet controllers
- typically found on 4xx embedded PowerPC chips, but also on the
- Axon southbridge for Cell.
-
-config IBM_NEW_EMAC_RXB
- int "Number of receive buffers"
- depends on IBM_NEW_EMAC
- default "128"
-
-config IBM_NEW_EMAC_TXB
- int "Number of transmit buffers"
- depends on IBM_NEW_EMAC
- default "64"
-
-config IBM_NEW_EMAC_POLL_WEIGHT
- int "MAL NAPI polling weight"
- depends on IBM_NEW_EMAC
- default "32"
-
-config IBM_NEW_EMAC_RX_COPY_THRESHOLD
- int "RX skb copy threshold (bytes)"
- depends on IBM_NEW_EMAC
- default "256"
-
-config IBM_NEW_EMAC_RX_SKB_HEADROOM
- int "Additional RX skb headroom (bytes)"
- depends on IBM_NEW_EMAC
- default "0"
- help
- Additional receive skb headroom. Note, that driver
- will always reserve at least 2 bytes to make IP header
- aligned, so usually there is no need to add any additional
- headroom.
-
- If unsure, set to 0.
-
-config IBM_NEW_EMAC_DEBUG
- bool "Debugging"
- depends on IBM_NEW_EMAC
- default n
-
-# The options below has to be select'ed by the respective
-# processor types or platforms
-
-config IBM_NEW_EMAC_ZMII
- bool
- default n
-
-config IBM_NEW_EMAC_RGMII
- bool
- default n
-
-config IBM_NEW_EMAC_TAH
- bool
- default n
-
-config IBM_NEW_EMAC_EMAC4
- bool
- default n
-
-config IBM_NEW_EMAC_NO_FLOW_CTRL
- bool
- default n
-
-config IBM_NEW_EMAC_MAL_CLR_ICINTSTAT
- bool
- default n
-
-config IBM_NEW_EMAC_MAL_COMMON_ERR
- bool
- default n
diff --git a/drivers/net/ibm_newemac/Makefile b/drivers/net/ibm_newemac/Makefile
deleted file mode 100644
index 0b5c99512762..000000000000
--- a/drivers/net/ibm_newemac/Makefile
+++ /dev/null
@@ -1,11 +0,0 @@
-#
-# Makefile for the PowerPC 4xx on-chip ethernet driver
-#
-
-obj-$(CONFIG_IBM_NEW_EMAC) += ibm_newemac.o
-
-ibm_newemac-y := mal.o core.o phy.o
-ibm_newemac-$(CONFIG_IBM_NEW_EMAC_ZMII) += zmii.o
-ibm_newemac-$(CONFIG_IBM_NEW_EMAC_RGMII) += rgmii.o
-ibm_newemac-$(CONFIG_IBM_NEW_EMAC_TAH) += tah.o
-ibm_newemac-$(CONFIG_IBM_NEW_EMAC_DEBUG) += debug.o
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
deleted file mode 100644
index 70cb7d8a3b53..000000000000
--- a/drivers/net/ibm_newemac/core.c
+++ /dev/null
@@ -1,3074 +0,0 @@
-/*
- * drivers/net/ibm_newemac/core.c
- *
- * Driver for PowerPC 4xx on-chip ethernet controller.
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Copyright (c) 2004, 2005 Zultys Technologies.
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- *
- * Based on original work by
- * Matt Porter <mporter@kernel.crashing.org>
- * (c) 2003 Benjamin Herrenschmidt <benh@kernel.crashing.org>
- * Armin Kuster <akuster@mvista.com>
- * Johnnie Peters <jpeters@mvista.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/string.h>
-#include <linux/errno.h>
-#include <linux/delay.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/crc32.h>
-#include <linux/ethtool.h>
-#include <linux/mii.h>
-#include <linux/bitops.h>
-#include <linux/workqueue.h>
-#include <linux/of.h>
-#include <linux/of_net.h>
-#include <linux/slab.h>
-
-#include <asm/processor.h>
-#include <asm/io.h>
-#include <asm/dma.h>
-#include <asm/uaccess.h>
-#include <asm/dcr.h>
-#include <asm/dcr-regs.h>
-
-#include "core.h"
-
-/*
- * Lack of dma_unmap_???? calls is intentional.
- *
- * API-correct usage requires additional support state information to be
- * maintained for every RX and TX buffer descriptor (BD). Unfortunately, due to
- * EMAC design (e.g. TX buffer passed from network stack can be split into
- * several BDs, dma_map_single/dma_map_page can be used to map particular BD),
- * maintaining such information will add additional overhead.
- * Current DMA API implementation for 4xx processors only ensures cache coherency
- * and dma_unmap_???? routines are empty and are likely to stay this way.
- * I decided to omit dma_unmap_??? calls because I don't want to add additional
- * complexity just for the sake of following some abstract API, when it doesn't
- * add any real benefit to the driver. I understand that this decision maybe
- * controversial, but I really tried to make code API-correct and efficient
- * at the same time and didn't come up with code I liked :(. --ebs
- */
-
-#define DRV_NAME "emac"
-#define DRV_VERSION "3.54"
-#define DRV_DESC "PPC 4xx OCP EMAC driver"
-
-MODULE_DESCRIPTION(DRV_DESC);
-MODULE_AUTHOR
- ("Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>");
-MODULE_LICENSE("GPL");
-
-/*
- * PPC64 doesn't (yet) have a cacheable_memcpy
- */
-#ifdef CONFIG_PPC64
-#define cacheable_memcpy(d,s,n) memcpy((d),(s),(n))
-#endif
-
-/* minimum number of free TX descriptors required to wake up TX process */
-#define EMAC_TX_WAKEUP_THRESH (NUM_TX_BUFF / 4)
-
-/* If packet size is less than this number, we allocate small skb and copy packet
- * contents into it instead of just sending original big skb up
- */
-#define EMAC_RX_COPY_THRESH CONFIG_IBM_NEW_EMAC_RX_COPY_THRESHOLD
-
-/* Since multiple EMACs share MDIO lines in various ways, we need
- * to avoid re-using the same PHY ID in cases where the arch didn't
- * setup precise phy_map entries
- *
- * XXX This is something that needs to be reworked as we can have multiple
- * EMAC "sets" (multiple ASICs containing several EMACs) though we can
- * probably require in that case to have explicit PHY IDs in the device-tree
- */
-static u32 busy_phy_map;
-static DEFINE_MUTEX(emac_phy_map_lock);
-
-/* This is the wait queue used to wait on any event related to probe, that
- * is discovery of MALs, other EMACs, ZMII/RGMIIs, etc...
- */
-static DECLARE_WAIT_QUEUE_HEAD(emac_probe_wait);
-
-/* Having stable interface names is a doomed idea. However, it would be nice
- * if we didn't have completely random interface names at boot too :-) It's
- * just a matter of making everybody's life easier. Since we are doing
- * threaded probing, it's a bit harder though. The base idea here is that
- * we make up a list of all emacs in the device-tree before we register the
- * driver. Every emac will then wait for the previous one in the list to
- * initialize before itself. We should also keep that list ordered by
- * cell_index.
- * That list is only 4 entries long, meaning that additional EMACs don't
- * get ordering guarantees unless EMAC_BOOT_LIST_SIZE is increased.
- */
-
-#define EMAC_BOOT_LIST_SIZE 4
-static struct device_node *emac_boot_list[EMAC_BOOT_LIST_SIZE];
-
-/* How long should I wait for dependent devices ? */
-#define EMAC_PROBE_DEP_TIMEOUT (HZ * 5)
-
-/* I don't want to litter system log with timeout errors
- * when we have brain-damaged PHY.
- */
-static inline void emac_report_timeout_error(struct emac_instance *dev,
- const char *error)
-{
- if (emac_has_feature(dev, EMAC_FTR_440GX_PHY_CLK_FIX |
- EMAC_FTR_460EX_PHY_CLK_FIX |
- EMAC_FTR_440EP_PHY_CLK_FIX))
- DBG(dev, "%s" NL, error);
- else if (net_ratelimit())
- printk(KERN_ERR "%s: %s\n", dev->ofdev->dev.of_node->full_name,
- error);
-}
-
-/* EMAC PHY clock workaround:
- * 440EP/440GR has more sane SDR0_MFR register implementation than 440GX,
- * which allows controlling each EMAC clock
- */
-static inline void emac_rx_clk_tx(struct emac_instance *dev)
-{
-#ifdef CONFIG_PPC_DCR_NATIVE
- if (emac_has_feature(dev, EMAC_FTR_440EP_PHY_CLK_FIX))
- dcri_clrset(SDR0, SDR0_MFR,
- 0, SDR0_MFR_ECS >> dev->cell_index);
-#endif
-}
-
-static inline void emac_rx_clk_default(struct emac_instance *dev)
-{
-#ifdef CONFIG_PPC_DCR_NATIVE
- if (emac_has_feature(dev, EMAC_FTR_440EP_PHY_CLK_FIX))
- dcri_clrset(SDR0, SDR0_MFR,
- SDR0_MFR_ECS >> dev->cell_index, 0);
-#endif
-}
-
-/* PHY polling intervals */
-#define PHY_POLL_LINK_ON HZ
-#define PHY_POLL_LINK_OFF (HZ / 5)
-
-/* Graceful stop timeouts in us.
- * We should allow up to 1 frame time (full-duplex, ignoring collisions)
- */
-#define STOP_TIMEOUT_10 1230
-#define STOP_TIMEOUT_100 124
-#define STOP_TIMEOUT_1000 13
-#define STOP_TIMEOUT_1000_JUMBO 73
-
-static unsigned char default_mcast_addr[] = {
- 0x01, 0x80, 0xC2, 0x00, 0x00, 0x01
-};
-
-/* Please, keep in sync with struct ibm_emac_stats/ibm_emac_error_stats */
-static const char emac_stats_keys[EMAC_ETHTOOL_STATS_COUNT][ETH_GSTRING_LEN] = {
- "rx_packets", "rx_bytes", "tx_packets", "tx_bytes", "rx_packets_csum",
- "tx_packets_csum", "tx_undo", "rx_dropped_stack", "rx_dropped_oom",
- "rx_dropped_error", "rx_dropped_resize", "rx_dropped_mtu",
- "rx_stopped", "rx_bd_errors", "rx_bd_overrun", "rx_bd_bad_packet",
- "rx_bd_runt_packet", "rx_bd_short_event", "rx_bd_alignment_error",
- "rx_bd_bad_fcs", "rx_bd_packet_too_long", "rx_bd_out_of_range",
- "rx_bd_in_range", "rx_parity", "rx_fifo_overrun", "rx_overrun",
- "rx_bad_packet", "rx_runt_packet", "rx_short_event",
- "rx_alignment_error", "rx_bad_fcs", "rx_packet_too_long",
- "rx_out_of_range", "rx_in_range", "tx_dropped", "tx_bd_errors",
- "tx_bd_bad_fcs", "tx_bd_carrier_loss", "tx_bd_excessive_deferral",
- "tx_bd_excessive_collisions", "tx_bd_late_collision",
- "tx_bd_multple_collisions", "tx_bd_single_collision",
- "tx_bd_underrun", "tx_bd_sqe", "tx_parity", "tx_underrun", "tx_sqe",
- "tx_errors"
-};
-
-static irqreturn_t emac_irq(int irq, void *dev_instance);
-static void emac_clean_tx_ring(struct emac_instance *dev);
-static void __emac_set_multicast_list(struct emac_instance *dev);
-
-static inline int emac_phy_supports_gige(int phy_mode)
-{
- return phy_mode == PHY_MODE_GMII ||
- phy_mode == PHY_MODE_RGMII ||
- phy_mode == PHY_MODE_SGMII ||
- phy_mode == PHY_MODE_TBI ||
- phy_mode == PHY_MODE_RTBI;
-}
-
-static inline int emac_phy_gpcs(int phy_mode)
-{
- return phy_mode == PHY_MODE_SGMII ||
- phy_mode == PHY_MODE_TBI ||
- phy_mode == PHY_MODE_RTBI;
-}
-
-static inline void emac_tx_enable(struct emac_instance *dev)
-{
- struct emac_regs __iomem *p = dev->emacp;
- u32 r;
-
- DBG(dev, "tx_enable" NL);
-
- r = in_be32(&p->mr0);
- if (!(r & EMAC_MR0_TXE))
- out_be32(&p->mr0, r | EMAC_MR0_TXE);
-}
-
-static void emac_tx_disable(struct emac_instance *dev)
-{
- struct emac_regs __iomem *p = dev->emacp;
- u32 r;
-
- DBG(dev, "tx_disable" NL);
-
- r = in_be32(&p->mr0);
- if (r & EMAC_MR0_TXE) {
- int n = dev->stop_timeout;
- out_be32(&p->mr0, r & ~EMAC_MR0_TXE);
- while (!(in_be32(&p->mr0) & EMAC_MR0_TXI) && n) {
- udelay(1);
- --n;
- }
- if (unlikely(!n))
- emac_report_timeout_error(dev, "TX disable timeout");
- }
-}
-
-static void emac_rx_enable(struct emac_instance *dev)
-{
- struct emac_regs __iomem *p = dev->emacp;
- u32 r;
-
- if (unlikely(test_bit(MAL_COMMAC_RX_STOPPED, &dev->commac.flags)))
- goto out;
-
- DBG(dev, "rx_enable" NL);
-
- r = in_be32(&p->mr0);
- if (!(r & EMAC_MR0_RXE)) {
- if (unlikely(!(r & EMAC_MR0_RXI))) {
- /* Wait if previous async disable is still in progress */
- int n = dev->stop_timeout;
- while (!(r = in_be32(&p->mr0) & EMAC_MR0_RXI) && n) {
- udelay(1);
- --n;
- }
- if (unlikely(!n))
- emac_report_timeout_error(dev,
- "RX disable timeout");
- }
- out_be32(&p->mr0, r | EMAC_MR0_RXE);
- }
- out:
- ;
-}
-
-static void emac_rx_disable(struct emac_instance *dev)
-{
- struct emac_regs __iomem *p = dev->emacp;
- u32 r;
-
- DBG(dev, "rx_disable" NL);
-
- r = in_be32(&p->mr0);
- if (r & EMAC_MR0_RXE) {
- int n = dev->stop_timeout;
- out_be32(&p->mr0, r & ~EMAC_MR0_RXE);
- while (!(in_be32(&p->mr0) & EMAC_MR0_RXI) && n) {
- udelay(1);
- --n;
- }
- if (unlikely(!n))
- emac_report_timeout_error(dev, "RX disable timeout");
- }
-}
-
-static inline void emac_netif_stop(struct emac_instance *dev)
-{
- netif_tx_lock_bh(dev->ndev);
- netif_addr_lock(dev->ndev);
- dev->no_mcast = 1;
- netif_addr_unlock(dev->ndev);
- netif_tx_unlock_bh(dev->ndev);
- dev->ndev->trans_start = jiffies; /* prevent tx timeout */
- mal_poll_disable(dev->mal, &dev->commac);
- netif_tx_disable(dev->ndev);
-}
-
-static inline void emac_netif_start(struct emac_instance *dev)
-{
- netif_tx_lock_bh(dev->ndev);
- netif_addr_lock(dev->ndev);
- dev->no_mcast = 0;
- if (dev->mcast_pending && netif_running(dev->ndev))
- __emac_set_multicast_list(dev);
- netif_addr_unlock(dev->ndev);
- netif_tx_unlock_bh(dev->ndev);
-
- netif_wake_queue(dev->ndev);
-
- /* NOTE: unconditional netif_wake_queue is only appropriate
- * so long as all callers are assured to have free tx slots
- * (taken from tg3... though the case where that is wrong is
- * not terribly harmful)
- */
- mal_poll_enable(dev->mal, &dev->commac);
-}
-
-static inline void emac_rx_disable_async(struct emac_instance *dev)
-{
- struct emac_regs __iomem *p = dev->emacp;
- u32 r;
-
- DBG(dev, "rx_disable_async" NL);
-
- r = in_be32(&p->mr0);
- if (r & EMAC_MR0_RXE)
- out_be32(&p->mr0, r & ~EMAC_MR0_RXE);
-}
-
-static int emac_reset(struct emac_instance *dev)
-{
- struct emac_regs __iomem *p = dev->emacp;
- int n = 20;
-
- DBG(dev, "reset" NL);
-
- if (!dev->reset_failed) {
- /* 40x erratum suggests stopping RX channel before reset,
- * we stop TX as well
- */
- emac_rx_disable(dev);
- emac_tx_disable(dev);
- }
-
-#ifdef CONFIG_PPC_DCR_NATIVE
- /* Enable internal clock source */
- if (emac_has_feature(dev, EMAC_FTR_460EX_PHY_CLK_FIX))
- dcri_clrset(SDR0, SDR0_ETH_CFG,
- 0, SDR0_ETH_CFG_ECS << dev->cell_index);
-#endif
-
- out_be32(&p->mr0, EMAC_MR0_SRST);
- while ((in_be32(&p->mr0) & EMAC_MR0_SRST) && n)
- --n;
-
-#ifdef CONFIG_PPC_DCR_NATIVE
- /* Enable external clock source */
- if (emac_has_feature(dev, EMAC_FTR_460EX_PHY_CLK_FIX))
- dcri_clrset(SDR0, SDR0_ETH_CFG,
- SDR0_ETH_CFG_ECS << dev->cell_index, 0);
-#endif
-
- if (n) {
- dev->reset_failed = 0;
- return 0;
- } else {
- emac_report_timeout_error(dev, "reset timeout");
- dev->reset_failed = 1;
- return -ETIMEDOUT;
- }
-}
-
-static void emac_hash_mc(struct emac_instance *dev)
-{
- const int regs = EMAC_XAHT_REGS(dev);
- u32 *gaht_base = emac_gaht_base(dev);
- u32 gaht_temp[regs];
- struct netdev_hw_addr *ha;
- int i;
-
- DBG(dev, "hash_mc %d" NL, netdev_mc_count(dev->ndev));
-
- memset(gaht_temp, 0, sizeof (gaht_temp));
-
- netdev_for_each_mc_addr(ha, dev->ndev) {
- int slot, reg, mask;
- DBG2(dev, "mc %pM" NL, ha->addr);
-
- slot = EMAC_XAHT_CRC_TO_SLOT(dev,
- ether_crc(ETH_ALEN, ha->addr));
- reg = EMAC_XAHT_SLOT_TO_REG(dev, slot);
- mask = EMAC_XAHT_SLOT_TO_MASK(dev, slot);
-
- gaht_temp[reg] |= mask;
- }
-
- for (i = 0; i < regs; i++)
- out_be32(gaht_base + i, gaht_temp[i]);
-}
-
-static inline u32 emac_iff2rmr(struct net_device *ndev)
-{
- struct emac_instance *dev = netdev_priv(ndev);
- u32 r;
-
- r = EMAC_RMR_SP | EMAC_RMR_SFCS | EMAC_RMR_IAE | EMAC_RMR_BAE;
-
- if (emac_has_feature(dev, EMAC_FTR_EMAC4))
- r |= EMAC4_RMR_BASE;
- else
- r |= EMAC_RMR_BASE;
-
- if (ndev->flags & IFF_PROMISC)
- r |= EMAC_RMR_PME;
- else if (ndev->flags & IFF_ALLMULTI ||
- (netdev_mc_count(ndev) > EMAC_XAHT_SLOTS(dev)))
- r |= EMAC_RMR_PMME;
- else if (!netdev_mc_empty(ndev))
- r |= EMAC_RMR_MAE;
-
- return r;
-}
-
-static u32 __emac_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_size)
-{
- u32 ret = EMAC_MR1_VLE | EMAC_MR1_IST | EMAC_MR1_TR0_MULT;
-
- DBG2(dev, "__emac_calc_base_mr1" NL);
-
- switch(tx_size) {
- case 2048:
- ret |= EMAC_MR1_TFS_2K;
- break;
- default:
- printk(KERN_WARNING "%s: Unknown Tx FIFO size %d\n",
- dev->ndev->name, tx_size);
- }
-
- switch(rx_size) {
- case 16384:
- ret |= EMAC_MR1_RFS_16K;
- break;
- case 4096:
- ret |= EMAC_MR1_RFS_4K;
- break;
- default:
- printk(KERN_WARNING "%s: Unknown Rx FIFO size %d\n",
- dev->ndev->name, rx_size);
- }
-
- return ret;
-}
-
-static u32 __emac4_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_size)
-{
- u32 ret = EMAC_MR1_VLE | EMAC_MR1_IST | EMAC4_MR1_TR |
- EMAC4_MR1_OBCI(dev->opb_bus_freq / 1000000);
-
- DBG2(dev, "__emac4_calc_base_mr1" NL);
-
- switch(tx_size) {
- case 16384:
- ret |= EMAC4_MR1_TFS_16K;
- break;
- case 4096:
- ret |= EMAC4_MR1_TFS_4K;
- break;
- case 2048:
- ret |= EMAC4_MR1_TFS_2K;
- break;
- default:
- printk(KERN_WARNING "%s: Unknown Tx FIFO size %d\n",
- dev->ndev->name, tx_size);
- }
-
- switch(rx_size) {
- case 16384:
- ret |= EMAC4_MR1_RFS_16K;
- break;
- case 4096:
- ret |= EMAC4_MR1_RFS_4K;
- break;
- case 2048:
- ret |= EMAC4_MR1_RFS_2K;
- break;
- default:
- printk(KERN_WARNING "%s: Unknown Rx FIFO size %d\n",
- dev->ndev->name, rx_size);
- }
-
- return ret;
-}
-
-static u32 emac_calc_base_mr1(struct emac_instance *dev, int tx_size, int rx_size)
-{
- return emac_has_feature(dev, EMAC_FTR_EMAC4) ?
- __emac4_calc_base_mr1(dev, tx_size, rx_size) :
- __emac_calc_base_mr1(dev, tx_size, rx_size);
-}
-
-static inline u32 emac_calc_trtr(struct emac_instance *dev, unsigned int size)
-{
- if (emac_has_feature(dev, EMAC_FTR_EMAC4))
- return ((size >> 6) - 1) << EMAC_TRTR_SHIFT_EMAC4;
- else
- return ((size >> 6) - 1) << EMAC_TRTR_SHIFT;
-}
-
-static inline u32 emac_calc_rwmr(struct emac_instance *dev,
- unsigned int low, unsigned int high)
-{
- if (emac_has_feature(dev, EMAC_FTR_EMAC4))
- return (low << 22) | ( (high & 0x3ff) << 6);
- else
- return (low << 23) | ( (high & 0x1ff) << 7);
-}
-
-static int emac_configure(struct emac_instance *dev)
-{
- struct emac_regs __iomem *p = dev->emacp;
- struct net_device *ndev = dev->ndev;
- int tx_size, rx_size, link = netif_carrier_ok(dev->ndev);
- u32 r, mr1 = 0;
-
- DBG(dev, "configure" NL);
-
- if (!link) {
- out_be32(&p->mr1, in_be32(&p->mr1)
- | EMAC_MR1_FDE | EMAC_MR1_ILE);
- udelay(100);
- } else if (emac_reset(dev) < 0)
- return -ETIMEDOUT;
-
- if (emac_has_feature(dev, EMAC_FTR_HAS_TAH))
- tah_reset(dev->tah_dev);
-
- DBG(dev, " link = %d duplex = %d, pause = %d, asym_pause = %d\n",
- link, dev->phy.duplex, dev->phy.pause, dev->phy.asym_pause);
-
- /* Default fifo sizes */
- tx_size = dev->tx_fifo_size;
- rx_size = dev->rx_fifo_size;
-
- /* No link, force loopback */
- if (!link)
- mr1 = EMAC_MR1_FDE | EMAC_MR1_ILE;
-
- /* Check for full duplex */
- else if (dev->phy.duplex == DUPLEX_FULL)
- mr1 |= EMAC_MR1_FDE | EMAC_MR1_MWSW_001;
-
- /* Adjust fifo sizes, mr1 and timeouts based on link speed */
- dev->stop_timeout = STOP_TIMEOUT_10;
- switch (dev->phy.speed) {
- case SPEED_1000:
- if (emac_phy_gpcs(dev->phy.mode)) {
- mr1 |= EMAC_MR1_MF_1000GPCS | EMAC_MR1_MF_IPPA(
- (dev->phy.gpcs_address != 0xffffffff) ?
- dev->phy.gpcs_address : dev->phy.address);
-
- /* Put some arbitrary OUI, Manuf & Rev IDs so we can
- * identify this GPCS PHY later.
- */
- out_be32(&p->u1.emac4.ipcr, 0xdeadbeef);
- } else
- mr1 |= EMAC_MR1_MF_1000;
-
- /* Extended fifo sizes */
- tx_size = dev->tx_fifo_size_gige;
- rx_size = dev->rx_fifo_size_gige;
-
- if (dev->ndev->mtu > ETH_DATA_LEN) {
- if (emac_has_feature(dev, EMAC_FTR_EMAC4))
- mr1 |= EMAC4_MR1_JPSM;
- else
- mr1 |= EMAC_MR1_JPSM;
- dev->stop_timeout = STOP_TIMEOUT_1000_JUMBO;
- } else
- dev->stop_timeout = STOP_TIMEOUT_1000;
- break;
- case SPEED_100:
- mr1 |= EMAC_MR1_MF_100;
- dev->stop_timeout = STOP_TIMEOUT_100;
- break;
- default: /* make gcc happy */
- break;
- }
-
- if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII))
- rgmii_set_speed(dev->rgmii_dev, dev->rgmii_port,
- dev->phy.speed);
- if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII))
- zmii_set_speed(dev->zmii_dev, dev->zmii_port, dev->phy.speed);
-
- /* on 40x erratum forces us to NOT use integrated flow control,
- * let's hope it works on 44x ;)
- */
- if (!emac_has_feature(dev, EMAC_FTR_NO_FLOW_CONTROL_40x) &&
- dev->phy.duplex == DUPLEX_FULL) {
- if (dev->phy.pause)
- mr1 |= EMAC_MR1_EIFC | EMAC_MR1_APP;
- else if (dev->phy.asym_pause)
- mr1 |= EMAC_MR1_APP;
- }
-
- /* Add base settings & fifo sizes & program MR1 */
- mr1 |= emac_calc_base_mr1(dev, tx_size, rx_size);
- out_be32(&p->mr1, mr1);
-
- /* Set individual MAC address */
- out_be32(&p->iahr, (ndev->dev_addr[0] << 8) | ndev->dev_addr[1]);
- out_be32(&p->ialr, (ndev->dev_addr[2] << 24) |
- (ndev->dev_addr[3] << 16) | (ndev->dev_addr[4] << 8) |
- ndev->dev_addr[5]);
-
- /* VLAN Tag Protocol ID */
- out_be32(&p->vtpid, 0x8100);
-
- /* Receive mode register */
- r = emac_iff2rmr(ndev);
- if (r & EMAC_RMR_MAE)
- emac_hash_mc(dev);
- out_be32(&p->rmr, r);
-
- /* FIFOs thresholds */
- if (emac_has_feature(dev, EMAC_FTR_EMAC4))
- r = EMAC4_TMR1((dev->mal_burst_size / dev->fifo_entry_size) + 1,
- tx_size / 2 / dev->fifo_entry_size);
- else
- r = EMAC_TMR1((dev->mal_burst_size / dev->fifo_entry_size) + 1,
- tx_size / 2 / dev->fifo_entry_size);
- out_be32(&p->tmr1, r);
- out_be32(&p->trtr, emac_calc_trtr(dev, tx_size / 2));
-
- /* PAUSE frame is sent when RX FIFO reaches its high-water mark,
- there should be still enough space in FIFO to allow the our link
- partner time to process this frame and also time to send PAUSE
- frame itself.
-
- Here is the worst case scenario for the RX FIFO "headroom"
- (from "The Switch Book") (100Mbps, without preamble, inter-frame gap):
-
- 1) One maximum-length frame on TX 1522 bytes
- 2) One PAUSE frame time 64 bytes
- 3) PAUSE frame decode time allowance 64 bytes
- 4) One maximum-length frame on RX 1522 bytes
- 5) Round-trip propagation delay of the link (100Mb) 15 bytes
- ----------
- 3187 bytes
-
- I chose to set high-water mark to RX_FIFO_SIZE / 4 (1024 bytes)
- low-water mark to RX_FIFO_SIZE / 8 (512 bytes)
- */
- r = emac_calc_rwmr(dev, rx_size / 8 / dev->fifo_entry_size,
- rx_size / 4 / dev->fifo_entry_size);
- out_be32(&p->rwmr, r);
-
- /* Set PAUSE timer to the maximum */
- out_be32(&p->ptr, 0xffff);
-
- /* IRQ sources */
- r = EMAC_ISR_OVR | EMAC_ISR_BP | EMAC_ISR_SE |
- EMAC_ISR_ALE | EMAC_ISR_BFCS | EMAC_ISR_PTLE | EMAC_ISR_ORE |
- EMAC_ISR_IRE | EMAC_ISR_TE;
- if (emac_has_feature(dev, EMAC_FTR_EMAC4))
- r |= EMAC4_ISR_TXPE | EMAC4_ISR_RXPE /* | EMAC4_ISR_TXUE |
- EMAC4_ISR_RXOE | */;
- out_be32(&p->iser, r);
-
- /* We need to take GPCS PHY out of isolate mode after EMAC reset */
- if (emac_phy_gpcs(dev->phy.mode)) {
- if (dev->phy.gpcs_address != 0xffffffff)
- emac_mii_reset_gpcs(&dev->phy);
- else
- emac_mii_reset_phy(&dev->phy);
- }
-
- return 0;
-}
-
-static void emac_reinitialize(struct emac_instance *dev)
-{
- DBG(dev, "reinitialize" NL);
-
- emac_netif_stop(dev);
- if (!emac_configure(dev)) {
- emac_tx_enable(dev);
- emac_rx_enable(dev);
- }
- emac_netif_start(dev);
-}
-
-static void emac_full_tx_reset(struct emac_instance *dev)
-{
- DBG(dev, "full_tx_reset" NL);
-
- emac_tx_disable(dev);
- mal_disable_tx_channel(dev->mal, dev->mal_tx_chan);
- emac_clean_tx_ring(dev);
- dev->tx_cnt = dev->tx_slot = dev->ack_slot = 0;
-
- emac_configure(dev);
-
- mal_enable_tx_channel(dev->mal, dev->mal_tx_chan);
- emac_tx_enable(dev);
- emac_rx_enable(dev);
-}
-
-static void emac_reset_work(struct work_struct *work)
-{
- struct emac_instance *dev = container_of(work, struct emac_instance, reset_work);
-
- DBG(dev, "reset_work" NL);
-
- mutex_lock(&dev->link_lock);
- if (dev->opened) {
- emac_netif_stop(dev);
- emac_full_tx_reset(dev);
- emac_netif_start(dev);
- }
- mutex_unlock(&dev->link_lock);
-}
-
-static void emac_tx_timeout(struct net_device *ndev)
-{
- struct emac_instance *dev = netdev_priv(ndev);
-
- DBG(dev, "tx_timeout" NL);
-
- schedule_work(&dev->reset_work);
-}
-
-
-static inline int emac_phy_done(struct emac_instance *dev, u32 stacr)
-{
- int done = !!(stacr & EMAC_STACR_OC);
-
- if (emac_has_feature(dev, EMAC_FTR_STACR_OC_INVERT))
- done = !done;
-
- return done;
-};
-
-static int __emac_mdio_read(struct emac_instance *dev, u8 id, u8 reg)
-{
- struct emac_regs __iomem *p = dev->emacp;
- u32 r = 0;
- int n, err = -ETIMEDOUT;
-
- mutex_lock(&dev->mdio_lock);
-
- DBG2(dev, "mdio_read(%02x,%02x)" NL, id, reg);
-
- /* Enable proper MDIO port */
- if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII))
- zmii_get_mdio(dev->zmii_dev, dev->zmii_port);
- if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII))
- rgmii_get_mdio(dev->rgmii_dev, dev->rgmii_port);
-
- /* Wait for management interface to become idle */
- n = 20;
- while (!emac_phy_done(dev, in_be32(&p->stacr))) {
- udelay(1);
- if (!--n) {
- DBG2(dev, " -> timeout wait idle\n");
- goto bail;
- }
- }
-
- /* Issue read command */
- if (emac_has_feature(dev, EMAC_FTR_EMAC4))
- r = EMAC4_STACR_BASE(dev->opb_bus_freq);
- else
- r = EMAC_STACR_BASE(dev->opb_bus_freq);
- if (emac_has_feature(dev, EMAC_FTR_STACR_OC_INVERT))
- r |= EMAC_STACR_OC;
- if (emac_has_feature(dev, EMAC_FTR_HAS_NEW_STACR))
- r |= EMACX_STACR_STAC_READ;
- else
- r |= EMAC_STACR_STAC_READ;
- r |= (reg & EMAC_STACR_PRA_MASK)
- | ((id & EMAC_STACR_PCDA_MASK) << EMAC_STACR_PCDA_SHIFT);
- out_be32(&p->stacr, r);
-
- /* Wait for read to complete */
- n = 200;
- while (!emac_phy_done(dev, (r = in_be32(&p->stacr)))) {
- udelay(1);
- if (!--n) {
- DBG2(dev, " -> timeout wait complete\n");
- goto bail;
- }
- }
-
- if (unlikely(r & EMAC_STACR_PHYE)) {
- DBG(dev, "mdio_read(%02x, %02x) failed" NL, id, reg);
- err = -EREMOTEIO;
- goto bail;
- }
-
- r = ((r >> EMAC_STACR_PHYD_SHIFT) & EMAC_STACR_PHYD_MASK);
-
- DBG2(dev, "mdio_read -> %04x" NL, r);
- err = 0;
- bail:
- if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII))
- rgmii_put_mdio(dev->rgmii_dev, dev->rgmii_port);
- if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII))
- zmii_put_mdio(dev->zmii_dev, dev->zmii_port);
- mutex_unlock(&dev->mdio_lock);
-
- return err == 0 ? r : err;
-}
-
-static void __emac_mdio_write(struct emac_instance *dev, u8 id, u8 reg,
- u16 val)
-{
- struct emac_regs __iomem *p = dev->emacp;
- u32 r = 0;
- int n, err = -ETIMEDOUT;
-
- mutex_lock(&dev->mdio_lock);
-
- DBG2(dev, "mdio_write(%02x,%02x,%04x)" NL, id, reg, val);
-
- /* Enable proper MDIO port */
- if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII))
- zmii_get_mdio(dev->zmii_dev, dev->zmii_port);
- if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII))
- rgmii_get_mdio(dev->rgmii_dev, dev->rgmii_port);
-
- /* Wait for management interface to be idle */
- n = 20;
- while (!emac_phy_done(dev, in_be32(&p->stacr))) {
- udelay(1);
- if (!--n) {
- DBG2(dev, " -> timeout wait idle\n");
- goto bail;
- }
- }
-
- /* Issue write command */
- if (emac_has_feature(dev, EMAC_FTR_EMAC4))
- r = EMAC4_STACR_BASE(dev->opb_bus_freq);
- else
- r = EMAC_STACR_BASE(dev->opb_bus_freq);
- if (emac_has_feature(dev, EMAC_FTR_STACR_OC_INVERT))
- r |= EMAC_STACR_OC;
- if (emac_has_feature(dev, EMAC_FTR_HAS_NEW_STACR))
- r |= EMACX_STACR_STAC_WRITE;
- else
- r |= EMAC_STACR_STAC_WRITE;
- r |= (reg & EMAC_STACR_PRA_MASK) |
- ((id & EMAC_STACR_PCDA_MASK) << EMAC_STACR_PCDA_SHIFT) |
- (val << EMAC_STACR_PHYD_SHIFT);
- out_be32(&p->stacr, r);
-
- /* Wait for write to complete */
- n = 200;
- while (!emac_phy_done(dev, in_be32(&p->stacr))) {
- udelay(1);
- if (!--n) {
- DBG2(dev, " -> timeout wait complete\n");
- goto bail;
- }
- }
- err = 0;
- bail:
- if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII))
- rgmii_put_mdio(dev->rgmii_dev, dev->rgmii_port);
- if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII))
- zmii_put_mdio(dev->zmii_dev, dev->zmii_port);
- mutex_unlock(&dev->mdio_lock);
-}
-
-static int emac_mdio_read(struct net_device *ndev, int id, int reg)
-{
- struct emac_instance *dev = netdev_priv(ndev);
- int res;
-
- res = __emac_mdio_read((dev->mdio_instance &&
- dev->phy.gpcs_address != id) ?
- dev->mdio_instance : dev,
- (u8) id, (u8) reg);
- return res;
-}
-
-static void emac_mdio_write(struct net_device *ndev, int id, int reg, int val)
-{
- struct emac_instance *dev = netdev_priv(ndev);
-
- __emac_mdio_write((dev->mdio_instance &&
- dev->phy.gpcs_address != id) ?
- dev->mdio_instance : dev,
- (u8) id, (u8) reg, (u16) val);
-}
-
-/* Tx lock BH */
-static void __emac_set_multicast_list(struct emac_instance *dev)
-{
- struct emac_regs __iomem *p = dev->emacp;
- u32 rmr = emac_iff2rmr(dev->ndev);
-
- DBG(dev, "__multicast %08x" NL, rmr);
-
- /* I decided to relax register access rules here to avoid
- * full EMAC reset.
- *
- * There is a real problem with EMAC4 core if we use MWSW_001 bit
- * in MR1 register and do a full EMAC reset.
- * One TX BD status update is delayed and, after EMAC reset, it
- * never happens, resulting in TX hung (it'll be recovered by TX
- * timeout handler eventually, but this is just gross).
- * So we either have to do full TX reset or try to cheat here :)
- *
- * The only required change is to RX mode register, so I *think* all
- * we need is just to stop RX channel. This seems to work on all
- * tested SoCs. --ebs
- *
- * If we need the full reset, we might just trigger the workqueue
- * and do it async... a bit nasty but should work --BenH
- */
- dev->mcast_pending = 0;
- emac_rx_disable(dev);
- if (rmr & EMAC_RMR_MAE)
- emac_hash_mc(dev);
- out_be32(&p->rmr, rmr);
- emac_rx_enable(dev);
-}
-
-/* Tx lock BH */
-static void emac_set_multicast_list(struct net_device *ndev)
-{
- struct emac_instance *dev = netdev_priv(ndev);
-
- DBG(dev, "multicast" NL);
-
- BUG_ON(!netif_running(dev->ndev));
-
- if (dev->no_mcast) {
- dev->mcast_pending = 1;
- return;
- }
- __emac_set_multicast_list(dev);
-}
-
-static int emac_resize_rx_ring(struct emac_instance *dev, int new_mtu)
-{
- int rx_sync_size = emac_rx_sync_size(new_mtu);
- int rx_skb_size = emac_rx_skb_size(new_mtu);
- int i, ret = 0;
-
- mutex_lock(&dev->link_lock);
- emac_netif_stop(dev);
- emac_rx_disable(dev);
- mal_disable_rx_channel(dev->mal, dev->mal_rx_chan);
-
- if (dev->rx_sg_skb) {
- ++dev->estats.rx_dropped_resize;
- dev_kfree_skb(dev->rx_sg_skb);
- dev->rx_sg_skb = NULL;
- }
-
- /* Make a first pass over RX ring and mark BDs ready, dropping
- * non-processed packets on the way. We need this as a separate pass
- * to simplify error recovery in the case of allocation failure later.
- */
- for (i = 0; i < NUM_RX_BUFF; ++i) {
- if (dev->rx_desc[i].ctrl & MAL_RX_CTRL_FIRST)
- ++dev->estats.rx_dropped_resize;
-
- dev->rx_desc[i].data_len = 0;
- dev->rx_desc[i].ctrl = MAL_RX_CTRL_EMPTY |
- (i == (NUM_RX_BUFF - 1) ? MAL_RX_CTRL_WRAP : 0);
- }
-
- /* Reallocate RX ring only if bigger skb buffers are required */
- if (rx_skb_size <= dev->rx_skb_size)
- goto skip;
-
- /* Second pass, allocate new skbs */
- for (i = 0; i < NUM_RX_BUFF; ++i) {
- struct sk_buff *skb = alloc_skb(rx_skb_size, GFP_ATOMIC);
- if (!skb) {
- ret = -ENOMEM;
- goto oom;
- }
-
- BUG_ON(!dev->rx_skb[i]);
- dev_kfree_skb(dev->rx_skb[i]);
-
- skb_reserve(skb, EMAC_RX_SKB_HEADROOM + 2);
- dev->rx_desc[i].data_ptr =
- dma_map_single(&dev->ofdev->dev, skb->data - 2, rx_sync_size,
- DMA_FROM_DEVICE) + 2;
- dev->rx_skb[i] = skb;
- }
- skip:
- /* Check if we need to change "Jumbo" bit in MR1 */
- if ((new_mtu > ETH_DATA_LEN) ^ (dev->ndev->mtu > ETH_DATA_LEN)) {
- /* This is to prevent starting RX channel in emac_rx_enable() */
- set_bit(MAL_COMMAC_RX_STOPPED, &dev->commac.flags);
-
- dev->ndev->mtu = new_mtu;
- emac_full_tx_reset(dev);
- }
-
- mal_set_rcbs(dev->mal, dev->mal_rx_chan, emac_rx_size(new_mtu));
- oom:
- /* Restart RX */
- clear_bit(MAL_COMMAC_RX_STOPPED, &dev->commac.flags);
- dev->rx_slot = 0;
- mal_enable_rx_channel(dev->mal, dev->mal_rx_chan);
- emac_rx_enable(dev);
- emac_netif_start(dev);
- mutex_unlock(&dev->link_lock);
-
- return ret;
-}
-
-/* Process ctx, rtnl_lock semaphore */
-static int emac_change_mtu(struct net_device *ndev, int new_mtu)
-{
- struct emac_instance *dev = netdev_priv(ndev);
- int ret = 0;
-
- if (new_mtu < EMAC_MIN_MTU || new_mtu > dev->max_mtu)
- return -EINVAL;
-
- DBG(dev, "change_mtu(%d)" NL, new_mtu);
-
- if (netif_running(ndev)) {
- /* Check if we really need to reinitialize RX ring */
- if (emac_rx_skb_size(ndev->mtu) != emac_rx_skb_size(new_mtu))
- ret = emac_resize_rx_ring(dev, new_mtu);
- }
-
- if (!ret) {
- ndev->mtu = new_mtu;
- dev->rx_skb_size = emac_rx_skb_size(new_mtu);
- dev->rx_sync_size = emac_rx_sync_size(new_mtu);
- }
-
- return ret;
-}
-
-static void emac_clean_tx_ring(struct emac_instance *dev)
-{
- int i;
-
- for (i = 0; i < NUM_TX_BUFF; ++i) {
- if (dev->tx_skb[i]) {
- dev_kfree_skb(dev->tx_skb[i]);
- dev->tx_skb[i] = NULL;
- if (dev->tx_desc[i].ctrl & MAL_TX_CTRL_READY)
- ++dev->estats.tx_dropped;
- }
- dev->tx_desc[i].ctrl = 0;
- dev->tx_desc[i].data_ptr = 0;
- }
-}
-
-static void emac_clean_rx_ring(struct emac_instance *dev)
-{
- int i;
-
- for (i = 0; i < NUM_RX_BUFF; ++i)
- if (dev->rx_skb[i]) {
- dev->rx_desc[i].ctrl = 0;
- dev_kfree_skb(dev->rx_skb[i]);
- dev->rx_skb[i] = NULL;
- dev->rx_desc[i].data_ptr = 0;
- }
-
- if (dev->rx_sg_skb) {
- dev_kfree_skb(dev->rx_sg_skb);
- dev->rx_sg_skb = NULL;
- }
-}
-
-static inline int emac_alloc_rx_skb(struct emac_instance *dev, int slot,
- gfp_t flags)
-{
- struct sk_buff *skb = alloc_skb(dev->rx_skb_size, flags);
- if (unlikely(!skb))
- return -ENOMEM;
-
- dev->rx_skb[slot] = skb;
- dev->rx_desc[slot].data_len = 0;
-
- skb_reserve(skb, EMAC_RX_SKB_HEADROOM + 2);
- dev->rx_desc[slot].data_ptr =
- dma_map_single(&dev->ofdev->dev, skb->data - 2, dev->rx_sync_size,
- DMA_FROM_DEVICE) + 2;
- wmb();
- dev->rx_desc[slot].ctrl = MAL_RX_CTRL_EMPTY |
- (slot == (NUM_RX_BUFF - 1) ? MAL_RX_CTRL_WRAP : 0);
-
- return 0;
-}
-
-static void emac_print_link_status(struct emac_instance *dev)
-{
- if (netif_carrier_ok(dev->ndev))
- printk(KERN_INFO "%s: link is up, %d %s%s\n",
- dev->ndev->name, dev->phy.speed,
- dev->phy.duplex == DUPLEX_FULL ? "FDX" : "HDX",
- dev->phy.pause ? ", pause enabled" :
- dev->phy.asym_pause ? ", asymmetric pause enabled" : "");
- else
- printk(KERN_INFO "%s: link is down\n", dev->ndev->name);
-}
-
-/* Process ctx, rtnl_lock semaphore */
-static int emac_open(struct net_device *ndev)
-{
- struct emac_instance *dev = netdev_priv(ndev);
- int err, i;
-
- DBG(dev, "open" NL);
-
- /* Setup error IRQ handler */
- err = request_irq(dev->emac_irq, emac_irq, 0, "EMAC", dev);
- if (err) {
- printk(KERN_ERR "%s: failed to request IRQ %d\n",
- ndev->name, dev->emac_irq);
- return err;
- }
-
- /* Allocate RX ring */
- for (i = 0; i < NUM_RX_BUFF; ++i)
- if (emac_alloc_rx_skb(dev, i, GFP_KERNEL)) {
- printk(KERN_ERR "%s: failed to allocate RX ring\n",
- ndev->name);
- goto oom;
- }
-
- dev->tx_cnt = dev->tx_slot = dev->ack_slot = dev->rx_slot = 0;
- clear_bit(MAL_COMMAC_RX_STOPPED, &dev->commac.flags);
- dev->rx_sg_skb = NULL;
-
- mutex_lock(&dev->link_lock);
- dev->opened = 1;
-
- /* Start PHY polling now.
- */
- if (dev->phy.address >= 0) {
- int link_poll_interval;
- if (dev->phy.def->ops->poll_link(&dev->phy)) {
- dev->phy.def->ops->read_link(&dev->phy);
- emac_rx_clk_default(dev);
- netif_carrier_on(dev->ndev);
- link_poll_interval = PHY_POLL_LINK_ON;
- } else {
- emac_rx_clk_tx(dev);
- netif_carrier_off(dev->ndev);
- link_poll_interval = PHY_POLL_LINK_OFF;
- }
- dev->link_polling = 1;
- wmb();
- schedule_delayed_work(&dev->link_work, link_poll_interval);
- emac_print_link_status(dev);
- } else
- netif_carrier_on(dev->ndev);
-
- /* Required for Pause packet support in EMAC */
- dev_mc_add_global(ndev, default_mcast_addr);
-
- emac_configure(dev);
- mal_poll_add(dev->mal, &dev->commac);
- mal_enable_tx_channel(dev->mal, dev->mal_tx_chan);
- mal_set_rcbs(dev->mal, dev->mal_rx_chan, emac_rx_size(ndev->mtu));
- mal_enable_rx_channel(dev->mal, dev->mal_rx_chan);
- emac_tx_enable(dev);
- emac_rx_enable(dev);
- emac_netif_start(dev);
-
- mutex_unlock(&dev->link_lock);
-
- return 0;
- oom:
- emac_clean_rx_ring(dev);
- free_irq(dev->emac_irq, dev);
-
- return -ENOMEM;
-}
-
-/* BHs disabled */
-#if 0
-static int emac_link_differs(struct emac_instance *dev)
-{
- u32 r = in_be32(&dev->emacp->mr1);
-
- int duplex = r & EMAC_MR1_FDE ? DUPLEX_FULL : DUPLEX_HALF;
- int speed, pause, asym_pause;
-
- if (r & EMAC_MR1_MF_1000)
- speed = SPEED_1000;
- else if (r & EMAC_MR1_MF_100)
- speed = SPEED_100;
- else
- speed = SPEED_10;
-
- switch (r & (EMAC_MR1_EIFC | EMAC_MR1_APP)) {
- case (EMAC_MR1_EIFC | EMAC_MR1_APP):
- pause = 1;
- asym_pause = 0;
- break;
- case EMAC_MR1_APP:
- pause = 0;
- asym_pause = 1;
- break;
- default:
- pause = asym_pause = 0;
- }
- return speed != dev->phy.speed || duplex != dev->phy.duplex ||
- pause != dev->phy.pause || asym_pause != dev->phy.asym_pause;
-}
-#endif
-
-static void emac_link_timer(struct work_struct *work)
-{
- struct emac_instance *dev =
- container_of(to_delayed_work(work),
- struct emac_instance, link_work);
- int link_poll_interval;
-
- mutex_lock(&dev->link_lock);
- DBG2(dev, "link timer" NL);
-
- if (!dev->opened)
- goto bail;
-
- if (dev->phy.def->ops->poll_link(&dev->phy)) {
- if (!netif_carrier_ok(dev->ndev)) {
- emac_rx_clk_default(dev);
- /* Get new link parameters */
- dev->phy.def->ops->read_link(&dev->phy);
-
- netif_carrier_on(dev->ndev);
- emac_netif_stop(dev);
- emac_full_tx_reset(dev);
- emac_netif_start(dev);
- emac_print_link_status(dev);
- }
- link_poll_interval = PHY_POLL_LINK_ON;
- } else {
- if (netif_carrier_ok(dev->ndev)) {
- emac_rx_clk_tx(dev);
- netif_carrier_off(dev->ndev);
- netif_tx_disable(dev->ndev);
- emac_reinitialize(dev);
- emac_print_link_status(dev);
- }
- link_poll_interval = PHY_POLL_LINK_OFF;
- }
- schedule_delayed_work(&dev->link_work, link_poll_interval);
- bail:
- mutex_unlock(&dev->link_lock);
-}
-
-static void emac_force_link_update(struct emac_instance *dev)
-{
- netif_carrier_off(dev->ndev);
- smp_rmb();
- if (dev->link_polling) {
- cancel_delayed_work_sync(&dev->link_work);
- if (dev->link_polling)
- schedule_delayed_work(&dev->link_work, PHY_POLL_LINK_OFF);
- }
-}
-
-/* Process ctx, rtnl_lock semaphore */
-static int emac_close(struct net_device *ndev)
-{
- struct emac_instance *dev = netdev_priv(ndev);
-
- DBG(dev, "close" NL);
-
- if (dev->phy.address >= 0) {
- dev->link_polling = 0;
- cancel_delayed_work_sync(&dev->link_work);
- }
- mutex_lock(&dev->link_lock);
- emac_netif_stop(dev);
- dev->opened = 0;
- mutex_unlock(&dev->link_lock);
-
- emac_rx_disable(dev);
- emac_tx_disable(dev);
- mal_disable_rx_channel(dev->mal, dev->mal_rx_chan);
- mal_disable_tx_channel(dev->mal, dev->mal_tx_chan);
- mal_poll_del(dev->mal, &dev->commac);
-
- emac_clean_tx_ring(dev);
- emac_clean_rx_ring(dev);
-
- free_irq(dev->emac_irq, dev);
-
- netif_carrier_off(ndev);
-
- return 0;
-}
-
-static inline u16 emac_tx_csum(struct emac_instance *dev,
- struct sk_buff *skb)
-{
- if (emac_has_feature(dev, EMAC_FTR_HAS_TAH) &&
- (skb->ip_summed == CHECKSUM_PARTIAL)) {
- ++dev->stats.tx_packets_csum;
- return EMAC_TX_CTRL_TAH_CSUM;
- }
- return 0;
-}
-
-static inline int emac_xmit_finish(struct emac_instance *dev, int len)
-{
- struct emac_regs __iomem *p = dev->emacp;
- struct net_device *ndev = dev->ndev;
-
- /* Send the packet out. If the if makes a significant perf
- * difference, then we can store the TMR0 value in "dev"
- * instead
- */
- if (emac_has_feature(dev, EMAC_FTR_EMAC4))
- out_be32(&p->tmr0, EMAC4_TMR0_XMIT);
- else
- out_be32(&p->tmr0, EMAC_TMR0_XMIT);
-
- if (unlikely(++dev->tx_cnt == NUM_TX_BUFF)) {
- netif_stop_queue(ndev);
- DBG2(dev, "stopped TX queue" NL);
- }
-
- ndev->trans_start = jiffies;
- ++dev->stats.tx_packets;
- dev->stats.tx_bytes += len;
-
- return NETDEV_TX_OK;
-}
-
-/* Tx lock BH */
-static int emac_start_xmit(struct sk_buff *skb, struct net_device *ndev)
-{
- struct emac_instance *dev = netdev_priv(ndev);
- unsigned int len = skb->len;
- int slot;
-
- u16 ctrl = EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP | MAL_TX_CTRL_READY |
- MAL_TX_CTRL_LAST | emac_tx_csum(dev, skb);
-
- slot = dev->tx_slot++;
- if (dev->tx_slot == NUM_TX_BUFF) {
- dev->tx_slot = 0;
- ctrl |= MAL_TX_CTRL_WRAP;
- }
-
- DBG2(dev, "xmit(%u) %d" NL, len, slot);
-
- dev->tx_skb[slot] = skb;
- dev->tx_desc[slot].data_ptr = dma_map_single(&dev->ofdev->dev,
- skb->data, len,
- DMA_TO_DEVICE);
- dev->tx_desc[slot].data_len = (u16) len;
- wmb();
- dev->tx_desc[slot].ctrl = ctrl;
-
- return emac_xmit_finish(dev, len);
-}
-
-static inline int emac_xmit_split(struct emac_instance *dev, int slot,
- u32 pd, int len, int last, u16 base_ctrl)
-{
- while (1) {
- u16 ctrl = base_ctrl;
- int chunk = min(len, MAL_MAX_TX_SIZE);
- len -= chunk;
-
- slot = (slot + 1) % NUM_TX_BUFF;
-
- if (last && !len)
- ctrl |= MAL_TX_CTRL_LAST;
- if (slot == NUM_TX_BUFF - 1)
- ctrl |= MAL_TX_CTRL_WRAP;
-
- dev->tx_skb[slot] = NULL;
- dev->tx_desc[slot].data_ptr = pd;
- dev->tx_desc[slot].data_len = (u16) chunk;
- dev->tx_desc[slot].ctrl = ctrl;
- ++dev->tx_cnt;
-
- if (!len)
- break;
-
- pd += chunk;
- }
- return slot;
-}
-
-/* Tx lock BH disabled (SG version for TAH equipped EMACs) */
-static int emac_start_xmit_sg(struct sk_buff *skb, struct net_device *ndev)
-{
- struct emac_instance *dev = netdev_priv(ndev);
- int nr_frags = skb_shinfo(skb)->nr_frags;
- int len = skb->len, chunk;
- int slot, i;
- u16 ctrl;
- u32 pd;
-
- /* This is common "fast" path */
- if (likely(!nr_frags && len <= MAL_MAX_TX_SIZE))
- return emac_start_xmit(skb, ndev);
-
- len -= skb->data_len;
-
- /* Note, this is only an *estimation*, we can still run out of empty
- * slots because of the additional fragmentation into
- * MAL_MAX_TX_SIZE-sized chunks
- */
- if (unlikely(dev->tx_cnt + nr_frags + mal_tx_chunks(len) > NUM_TX_BUFF))
- goto stop_queue;
-
- ctrl = EMAC_TX_CTRL_GFCS | EMAC_TX_CTRL_GP | MAL_TX_CTRL_READY |
- emac_tx_csum(dev, skb);
- slot = dev->tx_slot;
-
- /* skb data */
- dev->tx_skb[slot] = NULL;
- chunk = min(len, MAL_MAX_TX_SIZE);
- dev->tx_desc[slot].data_ptr = pd =
- dma_map_single(&dev->ofdev->dev, skb->data, len, DMA_TO_DEVICE);
- dev->tx_desc[slot].data_len = (u16) chunk;
- len -= chunk;
- if (unlikely(len))
- slot = emac_xmit_split(dev, slot, pd + chunk, len, !nr_frags,
- ctrl);
- /* skb fragments */
- for (i = 0; i < nr_frags; ++i) {
- struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i];
- len = frag->size;
-
- if (unlikely(dev->tx_cnt + mal_tx_chunks(len) >= NUM_TX_BUFF))
- goto undo_frame;
-
- pd = dma_map_page(&dev->ofdev->dev, frag->page, frag->page_offset, len,
- DMA_TO_DEVICE);
-
- slot = emac_xmit_split(dev, slot, pd, len, i == nr_frags - 1,
- ctrl);
- }
-
- DBG2(dev, "xmit_sg(%u) %d - %d" NL, skb->len, dev->tx_slot, slot);
-
- /* Attach skb to the last slot so we don't release it too early */
- dev->tx_skb[slot] = skb;
-
- /* Send the packet out */
- if (dev->tx_slot == NUM_TX_BUFF - 1)
- ctrl |= MAL_TX_CTRL_WRAP;
- wmb();
- dev->tx_desc[dev->tx_slot].ctrl = ctrl;
- dev->tx_slot = (slot + 1) % NUM_TX_BUFF;
-
- return emac_xmit_finish(dev, skb->len);
-
- undo_frame:
- /* Well, too bad. Our previous estimation was overly optimistic.
- * Undo everything.
- */
- while (slot != dev->tx_slot) {
- dev->tx_desc[slot].ctrl = 0;
- --dev->tx_cnt;
- if (--slot < 0)
- slot = NUM_TX_BUFF - 1;
- }
- ++dev->estats.tx_undo;
-
- stop_queue:
- netif_stop_queue(ndev);
- DBG2(dev, "stopped TX queue" NL);
- return NETDEV_TX_BUSY;
-}
-
-/* Tx lock BHs */
-static void emac_parse_tx_error(struct emac_instance *dev, u16 ctrl)
-{
- struct emac_error_stats *st = &dev->estats;
-
- DBG(dev, "BD TX error %04x" NL, ctrl);
-
- ++st->tx_bd_errors;
- if (ctrl & EMAC_TX_ST_BFCS)
- ++st->tx_bd_bad_fcs;
- if (ctrl & EMAC_TX_ST_LCS)
- ++st->tx_bd_carrier_loss;
- if (ctrl & EMAC_TX_ST_ED)
- ++st->tx_bd_excessive_deferral;
- if (ctrl & EMAC_TX_ST_EC)
- ++st->tx_bd_excessive_collisions;
- if (ctrl & EMAC_TX_ST_LC)
- ++st->tx_bd_late_collision;
- if (ctrl & EMAC_TX_ST_MC)
- ++st->tx_bd_multple_collisions;
- if (ctrl & EMAC_TX_ST_SC)
- ++st->tx_bd_single_collision;
- if (ctrl & EMAC_TX_ST_UR)
- ++st->tx_bd_underrun;
- if (ctrl & EMAC_TX_ST_SQE)
- ++st->tx_bd_sqe;
-}
-
-static void emac_poll_tx(void *param)
-{
- struct emac_instance *dev = param;
- u32 bad_mask;
-
- DBG2(dev, "poll_tx, %d %d" NL, dev->tx_cnt, dev->ack_slot);
-
- if (emac_has_feature(dev, EMAC_FTR_HAS_TAH))
- bad_mask = EMAC_IS_BAD_TX_TAH;
- else
- bad_mask = EMAC_IS_BAD_TX;
-
- netif_tx_lock_bh(dev->ndev);
- if (dev->tx_cnt) {
- u16 ctrl;
- int slot = dev->ack_slot, n = 0;
- again:
- ctrl = dev->tx_desc[slot].ctrl;
- if (!(ctrl & MAL_TX_CTRL_READY)) {
- struct sk_buff *skb = dev->tx_skb[slot];
- ++n;
-
- if (skb) {
- dev_kfree_skb(skb);
- dev->tx_skb[slot] = NULL;
- }
- slot = (slot + 1) % NUM_TX_BUFF;
-
- if (unlikely(ctrl & bad_mask))
- emac_parse_tx_error(dev, ctrl);
-
- if (--dev->tx_cnt)
- goto again;
- }
- if (n) {
- dev->ack_slot = slot;
- if (netif_queue_stopped(dev->ndev) &&
- dev->tx_cnt < EMAC_TX_WAKEUP_THRESH)
- netif_wake_queue(dev->ndev);
-
- DBG2(dev, "tx %d pkts" NL, n);
- }
- }
- netif_tx_unlock_bh(dev->ndev);
-}
-
-static inline void emac_recycle_rx_skb(struct emac_instance *dev, int slot,
- int len)
-{
- struct sk_buff *skb = dev->rx_skb[slot];
-
- DBG2(dev, "recycle %d %d" NL, slot, len);
-
- if (len)
- dma_map_single(&dev->ofdev->dev, skb->data - 2,
- EMAC_DMA_ALIGN(len + 2), DMA_FROM_DEVICE);
-
- dev->rx_desc[slot].data_len = 0;
- wmb();
- dev->rx_desc[slot].ctrl = MAL_RX_CTRL_EMPTY |
- (slot == (NUM_RX_BUFF - 1) ? MAL_RX_CTRL_WRAP : 0);
-}
-
-static void emac_parse_rx_error(struct emac_instance *dev, u16 ctrl)
-{
- struct emac_error_stats *st = &dev->estats;
-
- DBG(dev, "BD RX error %04x" NL, ctrl);
-
- ++st->rx_bd_errors;
- if (ctrl & EMAC_RX_ST_OE)
- ++st->rx_bd_overrun;
- if (ctrl & EMAC_RX_ST_BP)
- ++st->rx_bd_bad_packet;
- if (ctrl & EMAC_RX_ST_RP)
- ++st->rx_bd_runt_packet;
- if (ctrl & EMAC_RX_ST_SE)
- ++st->rx_bd_short_event;
- if (ctrl & EMAC_RX_ST_AE)
- ++st->rx_bd_alignment_error;
- if (ctrl & EMAC_RX_ST_BFCS)
- ++st->rx_bd_bad_fcs;
- if (ctrl & EMAC_RX_ST_PTL)
- ++st->rx_bd_packet_too_long;
- if (ctrl & EMAC_RX_ST_ORE)
- ++st->rx_bd_out_of_range;
- if (ctrl & EMAC_RX_ST_IRE)
- ++st->rx_bd_in_range;
-}
-
-static inline void emac_rx_csum(struct emac_instance *dev,
- struct sk_buff *skb, u16 ctrl)
-{
-#ifdef CONFIG_IBM_NEW_EMAC_TAH
- if (!ctrl && dev->tah_dev) {
- skb->ip_summed = CHECKSUM_UNNECESSARY;
- ++dev->stats.rx_packets_csum;
- }
-#endif
-}
-
-static inline int emac_rx_sg_append(struct emac_instance *dev, int slot)
-{
- if (likely(dev->rx_sg_skb != NULL)) {
- int len = dev->rx_desc[slot].data_len;
- int tot_len = dev->rx_sg_skb->len + len;
-
- if (unlikely(tot_len + 2 > dev->rx_skb_size)) {
- ++dev->estats.rx_dropped_mtu;
- dev_kfree_skb(dev->rx_sg_skb);
- dev->rx_sg_skb = NULL;
- } else {
- cacheable_memcpy(skb_tail_pointer(dev->rx_sg_skb),
- dev->rx_skb[slot]->data, len);
- skb_put(dev->rx_sg_skb, len);
- emac_recycle_rx_skb(dev, slot, len);
- return 0;
- }
- }
- emac_recycle_rx_skb(dev, slot, 0);
- return -1;
-}
-
-/* NAPI poll context */
-static int emac_poll_rx(void *param, int budget)
-{
- struct emac_instance *dev = param;
- int slot = dev->rx_slot, received = 0;
-
- DBG2(dev, "poll_rx(%d)" NL, budget);
-
- again:
- while (budget > 0) {
- int len;
- struct sk_buff *skb;
- u16 ctrl = dev->rx_desc[slot].ctrl;
-
- if (ctrl & MAL_RX_CTRL_EMPTY)
- break;
-
- skb = dev->rx_skb[slot];
- mb();
- len = dev->rx_desc[slot].data_len;
-
- if (unlikely(!MAL_IS_SINGLE_RX(ctrl)))
- goto sg;
-
- ctrl &= EMAC_BAD_RX_MASK;
- if (unlikely(ctrl && ctrl != EMAC_RX_TAH_BAD_CSUM)) {
- emac_parse_rx_error(dev, ctrl);
- ++dev->estats.rx_dropped_error;
- emac_recycle_rx_skb(dev, slot, 0);
- len = 0;
- goto next;
- }
-
- if (len < ETH_HLEN) {
- ++dev->estats.rx_dropped_stack;
- emac_recycle_rx_skb(dev, slot, len);
- goto next;
- }
-
- if (len && len < EMAC_RX_COPY_THRESH) {
- struct sk_buff *copy_skb =
- alloc_skb(len + EMAC_RX_SKB_HEADROOM + 2, GFP_ATOMIC);
- if (unlikely(!copy_skb))
- goto oom;
-
- skb_reserve(copy_skb, EMAC_RX_SKB_HEADROOM + 2);
- cacheable_memcpy(copy_skb->data - 2, skb->data - 2,
- len + 2);
- emac_recycle_rx_skb(dev, slot, len);
- skb = copy_skb;
- } else if (unlikely(emac_alloc_rx_skb(dev, slot, GFP_ATOMIC)))
- goto oom;
-
- skb_put(skb, len);
- push_packet:
- skb->protocol = eth_type_trans(skb, dev->ndev);
- emac_rx_csum(dev, skb, ctrl);
-
- if (unlikely(netif_receive_skb(skb) == NET_RX_DROP))
- ++dev->estats.rx_dropped_stack;
- next:
- ++dev->stats.rx_packets;
- skip:
- dev->stats.rx_bytes += len;
- slot = (slot + 1) % NUM_RX_BUFF;
- --budget;
- ++received;
- continue;
- sg:
- if (ctrl & MAL_RX_CTRL_FIRST) {
- BUG_ON(dev->rx_sg_skb);
- if (unlikely(emac_alloc_rx_skb(dev, slot, GFP_ATOMIC))) {
- DBG(dev, "rx OOM %d" NL, slot);
- ++dev->estats.rx_dropped_oom;
- emac_recycle_rx_skb(dev, slot, 0);
- } else {
- dev->rx_sg_skb = skb;
- skb_put(skb, len);
- }
- } else if (!emac_rx_sg_append(dev, slot) &&
- (ctrl & MAL_RX_CTRL_LAST)) {
-
- skb = dev->rx_sg_skb;
- dev->rx_sg_skb = NULL;
-
- ctrl &= EMAC_BAD_RX_MASK;
- if (unlikely(ctrl && ctrl != EMAC_RX_TAH_BAD_CSUM)) {
- emac_parse_rx_error(dev, ctrl);
- ++dev->estats.rx_dropped_error;
- dev_kfree_skb(skb);
- len = 0;
- } else
- goto push_packet;
- }
- goto skip;
- oom:
- DBG(dev, "rx OOM %d" NL, slot);
- /* Drop the packet and recycle skb */
- ++dev->estats.rx_dropped_oom;
- emac_recycle_rx_skb(dev, slot, 0);
- goto next;
- }
-
- if (received) {
- DBG2(dev, "rx %d BDs" NL, received);
- dev->rx_slot = slot;
- }
-
- if (unlikely(budget && test_bit(MAL_COMMAC_RX_STOPPED, &dev->commac.flags))) {
- mb();
- if (!(dev->rx_desc[slot].ctrl & MAL_RX_CTRL_EMPTY)) {
- DBG2(dev, "rx restart" NL);
- received = 0;
- goto again;
- }
-
- if (dev->rx_sg_skb) {
- DBG2(dev, "dropping partial rx packet" NL);
- ++dev->estats.rx_dropped_error;
- dev_kfree_skb(dev->rx_sg_skb);
- dev->rx_sg_skb = NULL;
- }
-
- clear_bit(MAL_COMMAC_RX_STOPPED, &dev->commac.flags);
- mal_enable_rx_channel(dev->mal, dev->mal_rx_chan);
- emac_rx_enable(dev);
- dev->rx_slot = 0;
- }
- return received;
-}
-
-/* NAPI poll context */
-static int emac_peek_rx(void *param)
-{
- struct emac_instance *dev = param;
-
- return !(dev->rx_desc[dev->rx_slot].ctrl & MAL_RX_CTRL_EMPTY);
-}
-
-/* NAPI poll context */
-static int emac_peek_rx_sg(void *param)
-{
- struct emac_instance *dev = param;
-
- int slot = dev->rx_slot;
- while (1) {
- u16 ctrl = dev->rx_desc[slot].ctrl;
- if (ctrl & MAL_RX_CTRL_EMPTY)
- return 0;
- else if (ctrl & MAL_RX_CTRL_LAST)
- return 1;
-
- slot = (slot + 1) % NUM_RX_BUFF;
-
- /* I'm just being paranoid here :) */
- if (unlikely(slot == dev->rx_slot))
- return 0;
- }
-}
-
-/* Hard IRQ */
-static void emac_rxde(void *param)
-{
- struct emac_instance *dev = param;
-
- ++dev->estats.rx_stopped;
- emac_rx_disable_async(dev);
-}
-
-/* Hard IRQ */
-static irqreturn_t emac_irq(int irq, void *dev_instance)
-{
- struct emac_instance *dev = dev_instance;
- struct emac_regs __iomem *p = dev->emacp;
- struct emac_error_stats *st = &dev->estats;
- u32 isr;
-
- spin_lock(&dev->lock);
-
- isr = in_be32(&p->isr);
- out_be32(&p->isr, isr);
-
- DBG(dev, "isr = %08x" NL, isr);
-
- if (isr & EMAC4_ISR_TXPE)
- ++st->tx_parity;
- if (isr & EMAC4_ISR_RXPE)
- ++st->rx_parity;
- if (isr & EMAC4_ISR_TXUE)
- ++st->tx_underrun;
- if (isr & EMAC4_ISR_RXOE)
- ++st->rx_fifo_overrun;
- if (isr & EMAC_ISR_OVR)
- ++st->rx_overrun;
- if (isr & EMAC_ISR_BP)
- ++st->rx_bad_packet;
- if (isr & EMAC_ISR_RP)
- ++st->rx_runt_packet;
- if (isr & EMAC_ISR_SE)
- ++st->rx_short_event;
- if (isr & EMAC_ISR_ALE)
- ++st->rx_alignment_error;
- if (isr & EMAC_ISR_BFCS)
- ++st->rx_bad_fcs;
- if (isr & EMAC_ISR_PTLE)
- ++st->rx_packet_too_long;
- if (isr & EMAC_ISR_ORE)
- ++st->rx_out_of_range;
- if (isr & EMAC_ISR_IRE)
- ++st->rx_in_range;
- if (isr & EMAC_ISR_SQE)
- ++st->tx_sqe;
- if (isr & EMAC_ISR_TE)
- ++st->tx_errors;
-
- spin_unlock(&dev->lock);
-
- return IRQ_HANDLED;
-}
-
-static struct net_device_stats *emac_stats(struct net_device *ndev)
-{
- struct emac_instance *dev = netdev_priv(ndev);
- struct emac_stats *st = &dev->stats;
- struct emac_error_stats *est = &dev->estats;
- struct net_device_stats *nst = &dev->nstats;
- unsigned long flags;
-
- DBG2(dev, "stats" NL);
-
- /* Compute "legacy" statistics */
- spin_lock_irqsave(&dev->lock, flags);
- nst->rx_packets = (unsigned long)st->rx_packets;
- nst->rx_bytes = (unsigned long)st->rx_bytes;
- nst->tx_packets = (unsigned long)st->tx_packets;
- nst->tx_bytes = (unsigned long)st->tx_bytes;
- nst->rx_dropped = (unsigned long)(est->rx_dropped_oom +
- est->rx_dropped_error +
- est->rx_dropped_resize +
- est->rx_dropped_mtu);
- nst->tx_dropped = (unsigned long)est->tx_dropped;
-
- nst->rx_errors = (unsigned long)est->rx_bd_errors;
- nst->rx_fifo_errors = (unsigned long)(est->rx_bd_overrun +
- est->rx_fifo_overrun +
- est->rx_overrun);
- nst->rx_frame_errors = (unsigned long)(est->rx_bd_alignment_error +
- est->rx_alignment_error);
- nst->rx_crc_errors = (unsigned long)(est->rx_bd_bad_fcs +
- est->rx_bad_fcs);
- nst->rx_length_errors = (unsigned long)(est->rx_bd_runt_packet +
- est->rx_bd_short_event +
- est->rx_bd_packet_too_long +
- est->rx_bd_out_of_range +
- est->rx_bd_in_range +
- est->rx_runt_packet +
- est->rx_short_event +
- est->rx_packet_too_long +
- est->rx_out_of_range +
- est->rx_in_range);
-
- nst->tx_errors = (unsigned long)(est->tx_bd_errors + est->tx_errors);
- nst->tx_fifo_errors = (unsigned long)(est->tx_bd_underrun +
- est->tx_underrun);
- nst->tx_carrier_errors = (unsigned long)est->tx_bd_carrier_loss;
- nst->collisions = (unsigned long)(est->tx_bd_excessive_deferral +
- est->tx_bd_excessive_collisions +
- est->tx_bd_late_collision +
- est->tx_bd_multple_collisions);
- spin_unlock_irqrestore(&dev->lock, flags);
- return nst;
-}
-
-static struct mal_commac_ops emac_commac_ops = {
- .poll_tx = &emac_poll_tx,
- .poll_rx = &emac_poll_rx,
- .peek_rx = &emac_peek_rx,
- .rxde = &emac_rxde,
-};
-
-static struct mal_commac_ops emac_commac_sg_ops = {
- .poll_tx = &emac_poll_tx,
- .poll_rx = &emac_poll_rx,
- .peek_rx = &emac_peek_rx_sg,
- .rxde = &emac_rxde,
-};
-
-/* Ethtool support */
-static int emac_ethtool_get_settings(struct net_device *ndev,
- struct ethtool_cmd *cmd)
-{
- struct emac_instance *dev = netdev_priv(ndev);
-
- cmd->supported = dev->phy.features;
- cmd->port = PORT_MII;
- cmd->phy_address = dev->phy.address;
- cmd->transceiver =
- dev->phy.address >= 0 ? XCVR_EXTERNAL : XCVR_INTERNAL;
-
- mutex_lock(&dev->link_lock);
- cmd->advertising = dev->phy.advertising;
- cmd->autoneg = dev->phy.autoneg;
- cmd->speed = dev->phy.speed;
- cmd->duplex = dev->phy.duplex;
- mutex_unlock(&dev->link_lock);
-
- return 0;
-}
-
-static int emac_ethtool_set_settings(struct net_device *ndev,
- struct ethtool_cmd *cmd)
-{
- struct emac_instance *dev = netdev_priv(ndev);
- u32 f = dev->phy.features;
-
- DBG(dev, "set_settings(%d, %d, %d, 0x%08x)" NL,
- cmd->autoneg, cmd->speed, cmd->duplex, cmd->advertising);
-
- /* Basic sanity checks */
- if (dev->phy.address < 0)
- return -EOPNOTSUPP;
- if (cmd->autoneg != AUTONEG_ENABLE && cmd->autoneg != AUTONEG_DISABLE)
- return -EINVAL;
- if (cmd->autoneg == AUTONEG_ENABLE && cmd->advertising == 0)
- return -EINVAL;
- if (cmd->duplex != DUPLEX_HALF && cmd->duplex != DUPLEX_FULL)
- return -EINVAL;
-
- if (cmd->autoneg == AUTONEG_DISABLE) {
- switch (cmd->speed) {
- case SPEED_10:
- if (cmd->duplex == DUPLEX_HALF &&
- !(f & SUPPORTED_10baseT_Half))
- return -EINVAL;
- if (cmd->duplex == DUPLEX_FULL &&
- !(f & SUPPORTED_10baseT_Full))
- return -EINVAL;
- break;
- case SPEED_100:
- if (cmd->duplex == DUPLEX_HALF &&
- !(f & SUPPORTED_100baseT_Half))
- return -EINVAL;
- if (cmd->duplex == DUPLEX_FULL &&
- !(f & SUPPORTED_100baseT_Full))
- return -EINVAL;
- break;
- case SPEED_1000:
- if (cmd->duplex == DUPLEX_HALF &&
- !(f & SUPPORTED_1000baseT_Half))
- return -EINVAL;
- if (cmd->duplex == DUPLEX_FULL &&
- !(f & SUPPORTED_1000baseT_Full))
- return -EINVAL;
- break;
- default:
- return -EINVAL;
- }
-
- mutex_lock(&dev->link_lock);
- dev->phy.def->ops->setup_forced(&dev->phy, cmd->speed,
- cmd->duplex);
- mutex_unlock(&dev->link_lock);
-
- } else {
- if (!(f & SUPPORTED_Autoneg))
- return -EINVAL;
-
- mutex_lock(&dev->link_lock);
- dev->phy.def->ops->setup_aneg(&dev->phy,
- (cmd->advertising & f) |
- (dev->phy.advertising &
- (ADVERTISED_Pause |
- ADVERTISED_Asym_Pause)));
- mutex_unlock(&dev->link_lock);
- }
- emac_force_link_update(dev);
-
- return 0;
-}
-
-static void emac_ethtool_get_ringparam(struct net_device *ndev,
- struct ethtool_ringparam *rp)
-{
- rp->rx_max_pending = rp->rx_pending = NUM_RX_BUFF;
- rp->tx_max_pending = rp->tx_pending = NUM_TX_BUFF;
-}
-
-static void emac_ethtool_get_pauseparam(struct net_device *ndev,
- struct ethtool_pauseparam *pp)
-{
- struct emac_instance *dev = netdev_priv(ndev);
-
- mutex_lock(&dev->link_lock);
- if ((dev->phy.features & SUPPORTED_Autoneg) &&
- (dev->phy.advertising & (ADVERTISED_Pause | ADVERTISED_Asym_Pause)))
- pp->autoneg = 1;
-
- if (dev->phy.duplex == DUPLEX_FULL) {
- if (dev->phy.pause)
- pp->rx_pause = pp->tx_pause = 1;
- else if (dev->phy.asym_pause)
- pp->tx_pause = 1;
- }
- mutex_unlock(&dev->link_lock);
-}
-
-static int emac_get_regs_len(struct emac_instance *dev)
-{
- if (emac_has_feature(dev, EMAC_FTR_EMAC4))
- return sizeof(struct emac_ethtool_regs_subhdr) +
- EMAC4_ETHTOOL_REGS_SIZE(dev);
- else
- return sizeof(struct emac_ethtool_regs_subhdr) +
- EMAC_ETHTOOL_REGS_SIZE(dev);
-}
-
-static int emac_ethtool_get_regs_len(struct net_device *ndev)
-{
- struct emac_instance *dev = netdev_priv(ndev);
- int size;
-
- size = sizeof(struct emac_ethtool_regs_hdr) +
- emac_get_regs_len(dev) + mal_get_regs_len(dev->mal);
- if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII))
- size += zmii_get_regs_len(dev->zmii_dev);
- if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII))
- size += rgmii_get_regs_len(dev->rgmii_dev);
- if (emac_has_feature(dev, EMAC_FTR_HAS_TAH))
- size += tah_get_regs_len(dev->tah_dev);
-
- return size;
-}
-
-static void *emac_dump_regs(struct emac_instance *dev, void *buf)
-{
- struct emac_ethtool_regs_subhdr *hdr = buf;
-
- hdr->index = dev->cell_index;
- if (emac_has_feature(dev, EMAC_FTR_EMAC4)) {
- hdr->version = EMAC4_ETHTOOL_REGS_VER;
- memcpy_fromio(hdr + 1, dev->emacp, EMAC4_ETHTOOL_REGS_SIZE(dev));
- return (void *)(hdr + 1) + EMAC4_ETHTOOL_REGS_SIZE(dev);
- } else {
- hdr->version = EMAC_ETHTOOL_REGS_VER;
- memcpy_fromio(hdr + 1, dev->emacp, EMAC_ETHTOOL_REGS_SIZE(dev));
- return (void *)(hdr + 1) + EMAC_ETHTOOL_REGS_SIZE(dev);
- }
-}
-
-static void emac_ethtool_get_regs(struct net_device *ndev,
- struct ethtool_regs *regs, void *buf)
-{
- struct emac_instance *dev = netdev_priv(ndev);
- struct emac_ethtool_regs_hdr *hdr = buf;
-
- hdr->components = 0;
- buf = hdr + 1;
-
- buf = mal_dump_regs(dev->mal, buf);
- buf = emac_dump_regs(dev, buf);
- if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII)) {
- hdr->components |= EMAC_ETHTOOL_REGS_ZMII;
- buf = zmii_dump_regs(dev->zmii_dev, buf);
- }
- if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) {
- hdr->components |= EMAC_ETHTOOL_REGS_RGMII;
- buf = rgmii_dump_regs(dev->rgmii_dev, buf);
- }
- if (emac_has_feature(dev, EMAC_FTR_HAS_TAH)) {
- hdr->components |= EMAC_ETHTOOL_REGS_TAH;
- buf = tah_dump_regs(dev->tah_dev, buf);
- }
-}
-
-static int emac_ethtool_nway_reset(struct net_device *ndev)
-{
- struct emac_instance *dev = netdev_priv(ndev);
- int res = 0;
-
- DBG(dev, "nway_reset" NL);
-
- if (dev->phy.address < 0)
- return -EOPNOTSUPP;
-
- mutex_lock(&dev->link_lock);
- if (!dev->phy.autoneg) {
- res = -EINVAL;
- goto out;
- }
-
- dev->phy.def->ops->setup_aneg(&dev->phy, dev->phy.advertising);
- out:
- mutex_unlock(&dev->link_lock);
- emac_force_link_update(dev);
- return res;
-}
-
-static int emac_ethtool_get_sset_count(struct net_device *ndev, int stringset)
-{
- if (stringset == ETH_SS_STATS)
- return EMAC_ETHTOOL_STATS_COUNT;
- else
- return -EINVAL;
-}
-
-static void emac_ethtool_get_strings(struct net_device *ndev, u32 stringset,
- u8 * buf)
-{
- if (stringset == ETH_SS_STATS)
- memcpy(buf, &emac_stats_keys, sizeof(emac_stats_keys));
-}
-
-static void emac_ethtool_get_ethtool_stats(struct net_device *ndev,
- struct ethtool_stats *estats,
- u64 * tmp_stats)
-{
- struct emac_instance *dev = netdev_priv(ndev);
-
- memcpy(tmp_stats, &dev->stats, sizeof(dev->stats));
- tmp_stats += sizeof(dev->stats) / sizeof(u64);
- memcpy(tmp_stats, &dev->estats, sizeof(dev->estats));
-}
-
-static void emac_ethtool_get_drvinfo(struct net_device *ndev,
- struct ethtool_drvinfo *info)
-{
- struct emac_instance *dev = netdev_priv(ndev);
-
- strcpy(info->driver, "ibm_emac");
- strcpy(info->version, DRV_VERSION);
- info->fw_version[0] = '\0';
- sprintf(info->bus_info, "PPC 4xx EMAC-%d %s",
- dev->cell_index, dev->ofdev->dev.of_node->full_name);
- info->regdump_len = emac_ethtool_get_regs_len(ndev);
-}
-
-static const struct ethtool_ops emac_ethtool_ops = {
- .get_settings = emac_ethtool_get_settings,
- .set_settings = emac_ethtool_set_settings,
- .get_drvinfo = emac_ethtool_get_drvinfo,
-
- .get_regs_len = emac_ethtool_get_regs_len,
- .get_regs = emac_ethtool_get_regs,
-
- .nway_reset = emac_ethtool_nway_reset,
-
- .get_ringparam = emac_ethtool_get_ringparam,
- .get_pauseparam = emac_ethtool_get_pauseparam,
-
- .get_strings = emac_ethtool_get_strings,
- .get_sset_count = emac_ethtool_get_sset_count,
- .get_ethtool_stats = emac_ethtool_get_ethtool_stats,
-
- .get_link = ethtool_op_get_link,
-};
-
-static int emac_ioctl(struct net_device *ndev, struct ifreq *rq, int cmd)
-{
- struct emac_instance *dev = netdev_priv(ndev);
- struct mii_ioctl_data *data = if_mii(rq);
-
- DBG(dev, "ioctl %08x" NL, cmd);
-
- if (dev->phy.address < 0)
- return -EOPNOTSUPP;
-
- switch (cmd) {
- case SIOCGMIIPHY:
- data->phy_id = dev->phy.address;
- /* Fall through */
- case SIOCGMIIREG:
- data->val_out = emac_mdio_read(ndev, dev->phy.address,
- data->reg_num);
- return 0;
-
- case SIOCSMIIREG:
- emac_mdio_write(ndev, dev->phy.address, data->reg_num,
- data->val_in);
- return 0;
- default:
- return -EOPNOTSUPP;
- }
-}
-
-struct emac_depentry {
- u32 phandle;
- struct device_node *node;
- struct platform_device *ofdev;
- void *drvdata;
-};
-
-#define EMAC_DEP_MAL_IDX 0
-#define EMAC_DEP_ZMII_IDX 1
-#define EMAC_DEP_RGMII_IDX 2
-#define EMAC_DEP_TAH_IDX 3
-#define EMAC_DEP_MDIO_IDX 4
-#define EMAC_DEP_PREV_IDX 5
-#define EMAC_DEP_COUNT 6
-
-static int __devinit emac_check_deps(struct emac_instance *dev,
- struct emac_depentry *deps)
-{
- int i, there = 0;
- struct device_node *np;
-
- for (i = 0; i < EMAC_DEP_COUNT; i++) {
- /* no dependency on that item, allright */
- if (deps[i].phandle == 0) {
- there++;
- continue;
- }
- /* special case for blist as the dependency might go away */
- if (i == EMAC_DEP_PREV_IDX) {
- np = *(dev->blist - 1);
- if (np == NULL) {
- deps[i].phandle = 0;
- there++;
- continue;
- }
- if (deps[i].node == NULL)
- deps[i].node = of_node_get(np);
- }
- if (deps[i].node == NULL)
- deps[i].node = of_find_node_by_phandle(deps[i].phandle);
- if (deps[i].node == NULL)
- continue;
- if (deps[i].ofdev == NULL)
- deps[i].ofdev = of_find_device_by_node(deps[i].node);
- if (deps[i].ofdev == NULL)
- continue;
- if (deps[i].drvdata == NULL)
- deps[i].drvdata = dev_get_drvdata(&deps[i].ofdev->dev);
- if (deps[i].drvdata != NULL)
- there++;
- }
- return there == EMAC_DEP_COUNT;
-}
-
-static void emac_put_deps(struct emac_instance *dev)
-{
- if (dev->mal_dev)
- of_dev_put(dev->mal_dev);
- if (dev->zmii_dev)
- of_dev_put(dev->zmii_dev);
- if (dev->rgmii_dev)
- of_dev_put(dev->rgmii_dev);
- if (dev->mdio_dev)
- of_dev_put(dev->mdio_dev);
- if (dev->tah_dev)
- of_dev_put(dev->tah_dev);
-}
-
-static int __devinit emac_of_bus_notify(struct notifier_block *nb,
- unsigned long action, void *data)
-{
- /* We are only intereted in device addition */
- if (action == BUS_NOTIFY_BOUND_DRIVER)
- wake_up_all(&emac_probe_wait);
- return 0;
-}
-
-static struct notifier_block emac_of_bus_notifier __devinitdata = {
- .notifier_call = emac_of_bus_notify
-};
-
-static int __devinit emac_wait_deps(struct emac_instance *dev)
-{
- struct emac_depentry deps[EMAC_DEP_COUNT];
- int i, err;
-
- memset(&deps, 0, sizeof(deps));
-
- deps[EMAC_DEP_MAL_IDX].phandle = dev->mal_ph;
- deps[EMAC_DEP_ZMII_IDX].phandle = dev->zmii_ph;
- deps[EMAC_DEP_RGMII_IDX].phandle = dev->rgmii_ph;
- if (dev->tah_ph)
- deps[EMAC_DEP_TAH_IDX].phandle = dev->tah_ph;
- if (dev->mdio_ph)
- deps[EMAC_DEP_MDIO_IDX].phandle = dev->mdio_ph;
- if (dev->blist && dev->blist > emac_boot_list)
- deps[EMAC_DEP_PREV_IDX].phandle = 0xffffffffu;
- bus_register_notifier(&platform_bus_type, &emac_of_bus_notifier);
- wait_event_timeout(emac_probe_wait,
- emac_check_deps(dev, deps),
- EMAC_PROBE_DEP_TIMEOUT);
- bus_unregister_notifier(&platform_bus_type, &emac_of_bus_notifier);
- err = emac_check_deps(dev, deps) ? 0 : -ENODEV;
- for (i = 0; i < EMAC_DEP_COUNT; i++) {
- if (deps[i].node)
- of_node_put(deps[i].node);
- if (err && deps[i].ofdev)
- of_dev_put(deps[i].ofdev);
- }
- if (err == 0) {
- dev->mal_dev = deps[EMAC_DEP_MAL_IDX].ofdev;
- dev->zmii_dev = deps[EMAC_DEP_ZMII_IDX].ofdev;
- dev->rgmii_dev = deps[EMAC_DEP_RGMII_IDX].ofdev;
- dev->tah_dev = deps[EMAC_DEP_TAH_IDX].ofdev;
- dev->mdio_dev = deps[EMAC_DEP_MDIO_IDX].ofdev;
- }
- if (deps[EMAC_DEP_PREV_IDX].ofdev)
- of_dev_put(deps[EMAC_DEP_PREV_IDX].ofdev);
- return err;
-}
-
-static int __devinit emac_read_uint_prop(struct device_node *np, const char *name,
- u32 *val, int fatal)
-{
- int len;
- const u32 *prop = of_get_property(np, name, &len);
- if (prop == NULL || len < sizeof(u32)) {
- if (fatal)
- printk(KERN_ERR "%s: missing %s property\n",
- np->full_name, name);
- return -ENODEV;
- }
- *val = *prop;
- return 0;
-}
-
-static int __devinit emac_init_phy(struct emac_instance *dev)
-{
- struct device_node *np = dev->ofdev->dev.of_node;
- struct net_device *ndev = dev->ndev;
- u32 phy_map, adv;
- int i;
-
- dev->phy.dev = ndev;
- dev->phy.mode = dev->phy_mode;
-
- /* PHY-less configuration.
- * XXX I probably should move these settings to the dev tree
- */
- if (dev->phy_address == 0xffffffff && dev->phy_map == 0xffffffff) {
- emac_reset(dev);
-
- /* PHY-less configuration.
- * XXX I probably should move these settings to the dev tree
- */
- dev->phy.address = -1;
- dev->phy.features = SUPPORTED_MII;
- if (emac_phy_supports_gige(dev->phy_mode))
- dev->phy.features |= SUPPORTED_1000baseT_Full;
- else
- dev->phy.features |= SUPPORTED_100baseT_Full;
- dev->phy.pause = 1;
-
- return 0;
- }
-
- mutex_lock(&emac_phy_map_lock);
- phy_map = dev->phy_map | busy_phy_map;
-
- DBG(dev, "PHY maps %08x %08x" NL, dev->phy_map, busy_phy_map);
-
- dev->phy.mdio_read = emac_mdio_read;
- dev->phy.mdio_write = emac_mdio_write;
-
- /* Enable internal clock source */
-#ifdef CONFIG_PPC_DCR_NATIVE
- if (emac_has_feature(dev, EMAC_FTR_440GX_PHY_CLK_FIX))
- dcri_clrset(SDR0, SDR0_MFR, 0, SDR0_MFR_ECS);
-#endif
- /* PHY clock workaround */
- emac_rx_clk_tx(dev);
-
- /* Enable internal clock source on 440GX*/
-#ifdef CONFIG_PPC_DCR_NATIVE
- if (emac_has_feature(dev, EMAC_FTR_440GX_PHY_CLK_FIX))
- dcri_clrset(SDR0, SDR0_MFR, 0, SDR0_MFR_ECS);
-#endif
- /* Configure EMAC with defaults so we can at least use MDIO
- * This is needed mostly for 440GX
- */
- if (emac_phy_gpcs(dev->phy.mode)) {
- /* XXX
- * Make GPCS PHY address equal to EMAC index.
- * We probably should take into account busy_phy_map
- * and/or phy_map here.
- *
- * Note that the busy_phy_map is currently global
- * while it should probably be per-ASIC...
- */
- dev->phy.gpcs_address = dev->gpcs_address;
- if (dev->phy.gpcs_address == 0xffffffff)
- dev->phy.address = dev->cell_index;
- }
-
- emac_configure(dev);
-
- if (dev->phy_address != 0xffffffff)
- phy_map = ~(1 << dev->phy_address);
-
- for (i = 0; i < 0x20; phy_map >>= 1, ++i)
- if (!(phy_map & 1)) {
- int r;
- busy_phy_map |= 1 << i;
-
- /* Quick check if there is a PHY at the address */
- r = emac_mdio_read(dev->ndev, i, MII_BMCR);
- if (r == 0xffff || r < 0)
- continue;
- if (!emac_mii_phy_probe(&dev->phy, i))
- break;
- }
-
- /* Enable external clock source */
-#ifdef CONFIG_PPC_DCR_NATIVE
- if (emac_has_feature(dev, EMAC_FTR_440GX_PHY_CLK_FIX))
- dcri_clrset(SDR0, SDR0_MFR, SDR0_MFR_ECS, 0);
-#endif
- mutex_unlock(&emac_phy_map_lock);
- if (i == 0x20) {
- printk(KERN_WARNING "%s: can't find PHY!\n", np->full_name);
- return -ENXIO;
- }
-
- /* Init PHY */
- if (dev->phy.def->ops->init)
- dev->phy.def->ops->init(&dev->phy);
-
- /* Disable any PHY features not supported by the platform */
- dev->phy.def->features &= ~dev->phy_feat_exc;
-
- /* Setup initial link parameters */
- if (dev->phy.features & SUPPORTED_Autoneg) {
- adv = dev->phy.features;
- if (!emac_has_feature(dev, EMAC_FTR_NO_FLOW_CONTROL_40x))
- adv |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
- /* Restart autonegotiation */
- dev->phy.def->ops->setup_aneg(&dev->phy, adv);
- } else {
- u32 f = dev->phy.def->features;
- int speed = SPEED_10, fd = DUPLEX_HALF;
-
- /* Select highest supported speed/duplex */
- if (f & SUPPORTED_1000baseT_Full) {
- speed = SPEED_1000;
- fd = DUPLEX_FULL;
- } else if (f & SUPPORTED_1000baseT_Half)
- speed = SPEED_1000;
- else if (f & SUPPORTED_100baseT_Full) {
- speed = SPEED_100;
- fd = DUPLEX_FULL;
- } else if (f & SUPPORTED_100baseT_Half)
- speed = SPEED_100;
- else if (f & SUPPORTED_10baseT_Full)
- fd = DUPLEX_FULL;
-
- /* Force link parameters */
- dev->phy.def->ops->setup_forced(&dev->phy, speed, fd);
- }
- return 0;
-}
-
-static int __devinit emac_init_config(struct emac_instance *dev)
-{
- struct device_node *np = dev->ofdev->dev.of_node;
- const void *p;
-
- /* Read config from device-tree */
- if (emac_read_uint_prop(np, "mal-device", &dev->mal_ph, 1))
- return -ENXIO;
- if (emac_read_uint_prop(np, "mal-tx-channel", &dev->mal_tx_chan, 1))
- return -ENXIO;
- if (emac_read_uint_prop(np, "mal-rx-channel", &dev->mal_rx_chan, 1))
- return -ENXIO;
- if (emac_read_uint_prop(np, "cell-index", &dev->cell_index, 1))
- return -ENXIO;
- if (emac_read_uint_prop(np, "max-frame-size", &dev->max_mtu, 0))
- dev->max_mtu = 1500;
- if (emac_read_uint_prop(np, "rx-fifo-size", &dev->rx_fifo_size, 0))
- dev->rx_fifo_size = 2048;
- if (emac_read_uint_prop(np, "tx-fifo-size", &dev->tx_fifo_size, 0))
- dev->tx_fifo_size = 2048;
- if (emac_read_uint_prop(np, "rx-fifo-size-gige", &dev->rx_fifo_size_gige, 0))
- dev->rx_fifo_size_gige = dev->rx_fifo_size;
- if (emac_read_uint_prop(np, "tx-fifo-size-gige", &dev->tx_fifo_size_gige, 0))
- dev->tx_fifo_size_gige = dev->tx_fifo_size;
- if (emac_read_uint_prop(np, "phy-address", &dev->phy_address, 0))
- dev->phy_address = 0xffffffff;
- if (emac_read_uint_prop(np, "phy-map", &dev->phy_map, 0))
- dev->phy_map = 0xffffffff;
- if (emac_read_uint_prop(np, "gpcs-address", &dev->gpcs_address, 0))
- dev->gpcs_address = 0xffffffff;
- if (emac_read_uint_prop(np->parent, "clock-frequency", &dev->opb_bus_freq, 1))
- return -ENXIO;
- if (emac_read_uint_prop(np, "tah-device", &dev->tah_ph, 0))
- dev->tah_ph = 0;
- if (emac_read_uint_prop(np, "tah-channel", &dev->tah_port, 0))
- dev->tah_port = 0;
- if (emac_read_uint_prop(np, "mdio-device", &dev->mdio_ph, 0))
- dev->mdio_ph = 0;
- if (emac_read_uint_prop(np, "zmii-device", &dev->zmii_ph, 0))
- dev->zmii_ph = 0;
- if (emac_read_uint_prop(np, "zmii-channel", &dev->zmii_port, 0))
- dev->zmii_port = 0xffffffff;
- if (emac_read_uint_prop(np, "rgmii-device", &dev->rgmii_ph, 0))
- dev->rgmii_ph = 0;
- if (emac_read_uint_prop(np, "rgmii-channel", &dev->rgmii_port, 0))
- dev->rgmii_port = 0xffffffff;
- if (emac_read_uint_prop(np, "fifo-entry-size", &dev->fifo_entry_size, 0))
- dev->fifo_entry_size = 16;
- if (emac_read_uint_prop(np, "mal-burst-size", &dev->mal_burst_size, 0))
- dev->mal_burst_size = 256;
-
- /* PHY mode needs some decoding */
- dev->phy_mode = of_get_phy_mode(np);
- if (dev->phy_mode < 0)
- dev->phy_mode = PHY_MODE_NA;
-
- /* Check EMAC version */
- if (of_device_is_compatible(np, "ibm,emac4sync")) {
- dev->features |= (EMAC_FTR_EMAC4 | EMAC_FTR_EMAC4SYNC);
- if (of_device_is_compatible(np, "ibm,emac-460ex") ||
- of_device_is_compatible(np, "ibm,emac-460gt"))
- dev->features |= EMAC_FTR_460EX_PHY_CLK_FIX;
- if (of_device_is_compatible(np, "ibm,emac-405ex") ||
- of_device_is_compatible(np, "ibm,emac-405exr"))
- dev->features |= EMAC_FTR_440EP_PHY_CLK_FIX;
- } else if (of_device_is_compatible(np, "ibm,emac4")) {
- dev->features |= EMAC_FTR_EMAC4;
- if (of_device_is_compatible(np, "ibm,emac-440gx"))
- dev->features |= EMAC_FTR_440GX_PHY_CLK_FIX;
- } else {
- if (of_device_is_compatible(np, "ibm,emac-440ep") ||
- of_device_is_compatible(np, "ibm,emac-440gr"))
- dev->features |= EMAC_FTR_440EP_PHY_CLK_FIX;
- if (of_device_is_compatible(np, "ibm,emac-405ez")) {
-#ifdef CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL
- dev->features |= EMAC_FTR_NO_FLOW_CONTROL_40x;
-#else
- printk(KERN_ERR "%s: Flow control not disabled!\n",
- np->full_name);
- return -ENXIO;
-#endif
- }
-
- }
-
- /* Fixup some feature bits based on the device tree */
- if (of_get_property(np, "has-inverted-stacr-oc", NULL))
- dev->features |= EMAC_FTR_STACR_OC_INVERT;
- if (of_get_property(np, "has-new-stacr-staopc", NULL))
- dev->features |= EMAC_FTR_HAS_NEW_STACR;
-
- /* CAB lacks the appropriate properties */
- if (of_device_is_compatible(np, "ibm,emac-axon"))
- dev->features |= EMAC_FTR_HAS_NEW_STACR |
- EMAC_FTR_STACR_OC_INVERT;
-
- /* Enable TAH/ZMII/RGMII features as found */
- if (dev->tah_ph != 0) {
-#ifdef CONFIG_IBM_NEW_EMAC_TAH
- dev->features |= EMAC_FTR_HAS_TAH;
-#else
- printk(KERN_ERR "%s: TAH support not enabled !\n",
- np->full_name);
- return -ENXIO;
-#endif
- }
-
- if (dev->zmii_ph != 0) {
-#ifdef CONFIG_IBM_NEW_EMAC_ZMII
- dev->features |= EMAC_FTR_HAS_ZMII;
-#else
- printk(KERN_ERR "%s: ZMII support not enabled !\n",
- np->full_name);
- return -ENXIO;
-#endif
- }
-
- if (dev->rgmii_ph != 0) {
-#ifdef CONFIG_IBM_NEW_EMAC_RGMII
- dev->features |= EMAC_FTR_HAS_RGMII;
-#else
- printk(KERN_ERR "%s: RGMII support not enabled !\n",
- np->full_name);
- return -ENXIO;
-#endif
- }
-
- /* Read MAC-address */
- p = of_get_property(np, "local-mac-address", NULL);
- if (p == NULL) {
- printk(KERN_ERR "%s: Can't find local-mac-address property\n",
- np->full_name);
- return -ENXIO;
- }
- memcpy(dev->ndev->dev_addr, p, 6);
-
- /* IAHT and GAHT filter parameterization */
- if (emac_has_feature(dev, EMAC_FTR_EMAC4SYNC)) {
- dev->xaht_slots_shift = EMAC4SYNC_XAHT_SLOTS_SHIFT;
- dev->xaht_width_shift = EMAC4SYNC_XAHT_WIDTH_SHIFT;
- } else {
- dev->xaht_slots_shift = EMAC4_XAHT_SLOTS_SHIFT;
- dev->xaht_width_shift = EMAC4_XAHT_WIDTH_SHIFT;
- }
-
- DBG(dev, "features : 0x%08x / 0x%08x\n", dev->features, EMAC_FTRS_POSSIBLE);
- DBG(dev, "tx_fifo_size : %d (%d gige)\n", dev->tx_fifo_size, dev->tx_fifo_size_gige);
- DBG(dev, "rx_fifo_size : %d (%d gige)\n", dev->rx_fifo_size, dev->rx_fifo_size_gige);
- DBG(dev, "max_mtu : %d\n", dev->max_mtu);
- DBG(dev, "OPB freq : %d\n", dev->opb_bus_freq);
-
- return 0;
-}
-
-static const struct net_device_ops emac_netdev_ops = {
- .ndo_open = emac_open,
- .ndo_stop = emac_close,
- .ndo_get_stats = emac_stats,
- .ndo_set_multicast_list = emac_set_multicast_list,
- .ndo_do_ioctl = emac_ioctl,
- .ndo_tx_timeout = emac_tx_timeout,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_set_mac_address = eth_mac_addr,
- .ndo_start_xmit = emac_start_xmit,
- .ndo_change_mtu = eth_change_mtu,
-};
-
-static const struct net_device_ops emac_gige_netdev_ops = {
- .ndo_open = emac_open,
- .ndo_stop = emac_close,
- .ndo_get_stats = emac_stats,
- .ndo_set_multicast_list = emac_set_multicast_list,
- .ndo_do_ioctl = emac_ioctl,
- .ndo_tx_timeout = emac_tx_timeout,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_set_mac_address = eth_mac_addr,
- .ndo_start_xmit = emac_start_xmit_sg,
- .ndo_change_mtu = emac_change_mtu,
-};
-
-static int __devinit emac_probe(struct platform_device *ofdev)
-{
- struct net_device *ndev;
- struct emac_instance *dev;
- struct device_node *np = ofdev->dev.of_node;
- struct device_node **blist = NULL;
- int err, i;
-
- /* Skip unused/unwired EMACS. We leave the check for an unused
- * property here for now, but new flat device trees should set a
- * status property to "disabled" instead.
- */
- if (of_get_property(np, "unused", NULL) || !of_device_is_available(np))
- return -ENODEV;
-
- /* Find ourselves in the bootlist if we are there */
- for (i = 0; i < EMAC_BOOT_LIST_SIZE; i++)
- if (emac_boot_list[i] == np)
- blist = &emac_boot_list[i];
-
- /* Allocate our net_device structure */
- err = -ENOMEM;
- ndev = alloc_etherdev(sizeof(struct emac_instance));
- if (!ndev) {
- printk(KERN_ERR "%s: could not allocate ethernet device!\n",
- np->full_name);
- goto err_gone;
- }
- dev = netdev_priv(ndev);
- dev->ndev = ndev;
- dev->ofdev = ofdev;
- dev->blist = blist;
- SET_NETDEV_DEV(ndev, &ofdev->dev);
-
- /* Initialize some embedded data structures */
- mutex_init(&dev->mdio_lock);
- mutex_init(&dev->link_lock);
- spin_lock_init(&dev->lock);
- INIT_WORK(&dev->reset_work, emac_reset_work);
-
- /* Init various config data based on device-tree */
- err = emac_init_config(dev);
- if (err != 0)
- goto err_free;
-
- /* Get interrupts. EMAC irq is mandatory, WOL irq is optional */
- dev->emac_irq = irq_of_parse_and_map(np, 0);
- dev->wol_irq = irq_of_parse_and_map(np, 1);
- if (dev->emac_irq == NO_IRQ) {
- printk(KERN_ERR "%s: Can't map main interrupt\n", np->full_name);
- goto err_free;
- }
- ndev->irq = dev->emac_irq;
-
- /* Map EMAC regs */
- if (of_address_to_resource(np, 0, &dev->rsrc_regs)) {
- printk(KERN_ERR "%s: Can't get registers address\n",
- np->full_name);
- goto err_irq_unmap;
- }
- // TODO : request_mem_region
- dev->emacp = ioremap(dev->rsrc_regs.start,
- resource_size(&dev->rsrc_regs));
- if (dev->emacp == NULL) {
- printk(KERN_ERR "%s: Can't map device registers!\n",
- np->full_name);
- err = -ENOMEM;
- goto err_irq_unmap;
- }
-
- /* Wait for dependent devices */
- err = emac_wait_deps(dev);
- if (err) {
- printk(KERN_ERR
- "%s: Timeout waiting for dependent devices\n",
- np->full_name);
- /* display more info about what's missing ? */
- goto err_reg_unmap;
- }
- dev->mal = dev_get_drvdata(&dev->mal_dev->dev);
- if (dev->mdio_dev != NULL)
- dev->mdio_instance = dev_get_drvdata(&dev->mdio_dev->dev);
-
- /* Register with MAL */
- dev->commac.ops = &emac_commac_ops;
- dev->commac.dev = dev;
- dev->commac.tx_chan_mask = MAL_CHAN_MASK(dev->mal_tx_chan);
- dev->commac.rx_chan_mask = MAL_CHAN_MASK(dev->mal_rx_chan);
- err = mal_register_commac(dev->mal, &dev->commac);
- if (err) {
- printk(KERN_ERR "%s: failed to register with mal %s!\n",
- np->full_name, dev->mal_dev->dev.of_node->full_name);
- goto err_rel_deps;
- }
- dev->rx_skb_size = emac_rx_skb_size(ndev->mtu);
- dev->rx_sync_size = emac_rx_sync_size(ndev->mtu);
-
- /* Get pointers to BD rings */
- dev->tx_desc =
- dev->mal->bd_virt + mal_tx_bd_offset(dev->mal, dev->mal_tx_chan);
- dev->rx_desc =
- dev->mal->bd_virt + mal_rx_bd_offset(dev->mal, dev->mal_rx_chan);
-
- DBG(dev, "tx_desc %p" NL, dev->tx_desc);
- DBG(dev, "rx_desc %p" NL, dev->rx_desc);
-
- /* Clean rings */
- memset(dev->tx_desc, 0, NUM_TX_BUFF * sizeof(struct mal_descriptor));
- memset(dev->rx_desc, 0, NUM_RX_BUFF * sizeof(struct mal_descriptor));
- memset(dev->tx_skb, 0, NUM_TX_BUFF * sizeof(struct sk_buff *));
- memset(dev->rx_skb, 0, NUM_RX_BUFF * sizeof(struct sk_buff *));
-
- /* Attach to ZMII, if needed */
- if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII) &&
- (err = zmii_attach(dev->zmii_dev, dev->zmii_port, &dev->phy_mode)) != 0)
- goto err_unreg_commac;
-
- /* Attach to RGMII, if needed */
- if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII) &&
- (err = rgmii_attach(dev->rgmii_dev, dev->rgmii_port, dev->phy_mode)) != 0)
- goto err_detach_zmii;
-
- /* Attach to TAH, if needed */
- if (emac_has_feature(dev, EMAC_FTR_HAS_TAH) &&
- (err = tah_attach(dev->tah_dev, dev->tah_port)) != 0)
- goto err_detach_rgmii;
-
- /* Set some link defaults before we can find out real parameters */
- dev->phy.speed = SPEED_100;
- dev->phy.duplex = DUPLEX_FULL;
- dev->phy.autoneg = AUTONEG_DISABLE;
- dev->phy.pause = dev->phy.asym_pause = 0;
- dev->stop_timeout = STOP_TIMEOUT_100;
- INIT_DELAYED_WORK(&dev->link_work, emac_link_timer);
-
- /* Find PHY if any */
- err = emac_init_phy(dev);
- if (err != 0)
- goto err_detach_tah;
-
- if (dev->tah_dev) {
- ndev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG;
- ndev->features |= ndev->hw_features | NETIF_F_RXCSUM;
- }
- ndev->watchdog_timeo = 5 * HZ;
- if (emac_phy_supports_gige(dev->phy_mode)) {
- ndev->netdev_ops = &emac_gige_netdev_ops;
- dev->commac.ops = &emac_commac_sg_ops;
- } else
- ndev->netdev_ops = &emac_netdev_ops;
- SET_ETHTOOL_OPS(ndev, &emac_ethtool_ops);
-
- netif_carrier_off(ndev);
-
- err = register_netdev(ndev);
- if (err) {
- printk(KERN_ERR "%s: failed to register net device (%d)!\n",
- np->full_name, err);
- goto err_detach_tah;
- }
-
- /* Set our drvdata last as we don't want them visible until we are
- * fully initialized
- */
- wmb();
- dev_set_drvdata(&ofdev->dev, dev);
-
- /* There's a new kid in town ! Let's tell everybody */
- wake_up_all(&emac_probe_wait);
-
-
- printk(KERN_INFO "%s: EMAC-%d %s, MAC %pM\n",
- ndev->name, dev->cell_index, np->full_name, ndev->dev_addr);
-
- if (dev->phy_mode == PHY_MODE_SGMII)
- printk(KERN_NOTICE "%s: in SGMII mode\n", ndev->name);
-
- if (dev->phy.address >= 0)
- printk("%s: found %s PHY (0x%02x)\n", ndev->name,
- dev->phy.def->name, dev->phy.address);
-
- emac_dbg_register(dev);
-
- /* Life is good */
- return 0;
-
- /* I have a bad feeling about this ... */
-
- err_detach_tah:
- if (emac_has_feature(dev, EMAC_FTR_HAS_TAH))
- tah_detach(dev->tah_dev, dev->tah_port);
- err_detach_rgmii:
- if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII))
- rgmii_detach(dev->rgmii_dev, dev->rgmii_port);
- err_detach_zmii:
- if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII))
- zmii_detach(dev->zmii_dev, dev->zmii_port);
- err_unreg_commac:
- mal_unregister_commac(dev->mal, &dev->commac);
- err_rel_deps:
- emac_put_deps(dev);
- err_reg_unmap:
- iounmap(dev->emacp);
- err_irq_unmap:
- if (dev->wol_irq != NO_IRQ)
- irq_dispose_mapping(dev->wol_irq);
- if (dev->emac_irq != NO_IRQ)
- irq_dispose_mapping(dev->emac_irq);
- err_free:
- free_netdev(ndev);
- err_gone:
- /* if we were on the bootlist, remove us as we won't show up and
- * wake up all waiters to notify them in case they were waiting
- * on us
- */
- if (blist) {
- *blist = NULL;
- wake_up_all(&emac_probe_wait);
- }
- return err;
-}
-
-static int __devexit emac_remove(struct platform_device *ofdev)
-{
- struct emac_instance *dev = dev_get_drvdata(&ofdev->dev);
-
- DBG(dev, "remove" NL);
-
- dev_set_drvdata(&ofdev->dev, NULL);
-
- unregister_netdev(dev->ndev);
-
- cancel_work_sync(&dev->reset_work);
-
- if (emac_has_feature(dev, EMAC_FTR_HAS_TAH))
- tah_detach(dev->tah_dev, dev->tah_port);
- if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII))
- rgmii_detach(dev->rgmii_dev, dev->rgmii_port);
- if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII))
- zmii_detach(dev->zmii_dev, dev->zmii_port);
-
- mal_unregister_commac(dev->mal, &dev->commac);
- emac_put_deps(dev);
-
- emac_dbg_unregister(dev);
- iounmap(dev->emacp);
-
- if (dev->wol_irq != NO_IRQ)
- irq_dispose_mapping(dev->wol_irq);
- if (dev->emac_irq != NO_IRQ)
- irq_dispose_mapping(dev->emac_irq);
-
- free_netdev(dev->ndev);
-
- return 0;
-}
-
-/* XXX Features in here should be replaced by properties... */
-static struct of_device_id emac_match[] =
-{
- {
- .type = "network",
- .compatible = "ibm,emac",
- },
- {
- .type = "network",
- .compatible = "ibm,emac4",
- },
- {
- .type = "network",
- .compatible = "ibm,emac4sync",
- },
- {},
-};
-MODULE_DEVICE_TABLE(of, emac_match);
-
-static struct platform_driver emac_driver = {
- .driver = {
- .name = "emac",
- .owner = THIS_MODULE,
- .of_match_table = emac_match,
- },
- .probe = emac_probe,
- .remove = emac_remove,
-};
-
-static void __init emac_make_bootlist(void)
-{
- struct device_node *np = NULL;
- int j, max, i = 0, k;
- int cell_indices[EMAC_BOOT_LIST_SIZE];
-
- /* Collect EMACs */
- while((np = of_find_all_nodes(np)) != NULL) {
- const u32 *idx;
-
- if (of_match_node(emac_match, np) == NULL)
- continue;
- if (of_get_property(np, "unused", NULL))
- continue;
- idx = of_get_property(np, "cell-index", NULL);
- if (idx == NULL)
- continue;
- cell_indices[i] = *idx;
- emac_boot_list[i++] = of_node_get(np);
- if (i >= EMAC_BOOT_LIST_SIZE) {
- of_node_put(np);
- break;
- }
- }
- max = i;
-
- /* Bubble sort them (doh, what a creative algorithm :-) */
- for (i = 0; max > 1 && (i < (max - 1)); i++)
- for (j = i; j < max; j++) {
- if (cell_indices[i] > cell_indices[j]) {
- np = emac_boot_list[i];
- emac_boot_list[i] = emac_boot_list[j];
- emac_boot_list[j] = np;
- k = cell_indices[i];
- cell_indices[i] = cell_indices[j];
- cell_indices[j] = k;
- }
- }
-}
-
-static int __init emac_init(void)
-{
- int rc;
-
- printk(KERN_INFO DRV_DESC ", version " DRV_VERSION "\n");
-
- /* Init debug stuff */
- emac_init_debug();
-
- /* Build EMAC boot list */
- emac_make_bootlist();
-
- /* Init submodules */
- rc = mal_init();
- if (rc)
- goto err;
- rc = zmii_init();
- if (rc)
- goto err_mal;
- rc = rgmii_init();
- if (rc)
- goto err_zmii;
- rc = tah_init();
- if (rc)
- goto err_rgmii;
- rc = platform_driver_register(&emac_driver);
- if (rc)
- goto err_tah;
-
- return 0;
-
- err_tah:
- tah_exit();
- err_rgmii:
- rgmii_exit();
- err_zmii:
- zmii_exit();
- err_mal:
- mal_exit();
- err:
- return rc;
-}
-
-static void __exit emac_exit(void)
-{
- int i;
-
- platform_driver_unregister(&emac_driver);
-
- tah_exit();
- rgmii_exit();
- zmii_exit();
- mal_exit();
- emac_fini_debug();
-
- /* Destroy EMAC boot list */
- for (i = 0; i < EMAC_BOOT_LIST_SIZE; i++)
- if (emac_boot_list[i])
- of_node_put(emac_boot_list[i]);
-}
-
-module_init(emac_init);
-module_exit(emac_exit);
diff --git a/drivers/net/ibm_newemac/core.h b/drivers/net/ibm_newemac/core.h
deleted file mode 100644
index 4fec0844d59d..000000000000
--- a/drivers/net/ibm_newemac/core.h
+++ /dev/null
@@ -1,462 +0,0 @@
-/*
- * drivers/net/ibm_newemac/core.h
- *
- * Driver for PowerPC 4xx on-chip ethernet controller.
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Copyright (c) 2004, 2005 Zultys Technologies.
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- *
- * Based on original work by
- * Armin Kuster <akuster@mvista.com>
- * Johnnie Peters <jpeters@mvista.com>
- * Copyright 2000, 2001 MontaVista Softare Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-#ifndef __IBM_NEWEMAC_CORE_H
-#define __IBM_NEWEMAC_CORE_H
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/list.h>
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/netdevice.h>
-#include <linux/dma-mapping.h>
-#include <linux/spinlock.h>
-#include <linux/of_platform.h>
-#include <linux/slab.h>
-
-#include <asm/io.h>
-#include <asm/dcr.h>
-
-#include "emac.h"
-#include "phy.h"
-#include "zmii.h"
-#include "rgmii.h"
-#include "mal.h"
-#include "tah.h"
-#include "debug.h"
-
-#define NUM_TX_BUFF CONFIG_IBM_NEW_EMAC_TXB
-#define NUM_RX_BUFF CONFIG_IBM_NEW_EMAC_RXB
-
-/* Simple sanity check */
-#if NUM_TX_BUFF > 256 || NUM_RX_BUFF > 256
-#error Invalid number of buffer descriptors (greater than 256)
-#endif
-
-#define EMAC_MIN_MTU 46
-
-/* Maximum L2 header length (VLAN tagged, no FCS) */
-#define EMAC_MTU_OVERHEAD (6 * 2 + 2 + 4)
-
-/* RX BD size for the given MTU */
-static inline int emac_rx_size(int mtu)
-{
- if (mtu > ETH_DATA_LEN)
- return MAL_MAX_RX_SIZE;
- else
- return mal_rx_size(ETH_DATA_LEN + EMAC_MTU_OVERHEAD);
-}
-
-#define EMAC_DMA_ALIGN(x) ALIGN((x), dma_get_cache_alignment())
-
-#define EMAC_RX_SKB_HEADROOM \
- EMAC_DMA_ALIGN(CONFIG_IBM_NEW_EMAC_RX_SKB_HEADROOM)
-
-/* Size of RX skb for the given MTU */
-static inline int emac_rx_skb_size(int mtu)
-{
- int size = max(mtu + EMAC_MTU_OVERHEAD, emac_rx_size(mtu));
- return EMAC_DMA_ALIGN(size + 2) + EMAC_RX_SKB_HEADROOM;
-}
-
-/* RX DMA sync size */
-static inline int emac_rx_sync_size(int mtu)
-{
- return EMAC_DMA_ALIGN(emac_rx_size(mtu) + 2);
-}
-
-/* Driver statistcs is split into two parts to make it more cache friendly:
- * - normal statistics (packet count, etc)
- * - error statistics
- *
- * When statistics is requested by ethtool, these parts are concatenated,
- * normal one goes first.
- *
- * Please, keep these structures in sync with emac_stats_keys.
- */
-
-/* Normal TX/RX Statistics */
-struct emac_stats {
- u64 rx_packets;
- u64 rx_bytes;
- u64 tx_packets;
- u64 tx_bytes;
- u64 rx_packets_csum;
- u64 tx_packets_csum;
-};
-
-/* Error statistics */
-struct emac_error_stats {
- u64 tx_undo;
-
- /* Software RX Errors */
- u64 rx_dropped_stack;
- u64 rx_dropped_oom;
- u64 rx_dropped_error;
- u64 rx_dropped_resize;
- u64 rx_dropped_mtu;
- u64 rx_stopped;
- /* BD reported RX errors */
- u64 rx_bd_errors;
- u64 rx_bd_overrun;
- u64 rx_bd_bad_packet;
- u64 rx_bd_runt_packet;
- u64 rx_bd_short_event;
- u64 rx_bd_alignment_error;
- u64 rx_bd_bad_fcs;
- u64 rx_bd_packet_too_long;
- u64 rx_bd_out_of_range;
- u64 rx_bd_in_range;
- /* EMAC IRQ reported RX errors */
- u64 rx_parity;
- u64 rx_fifo_overrun;
- u64 rx_overrun;
- u64 rx_bad_packet;
- u64 rx_runt_packet;
- u64 rx_short_event;
- u64 rx_alignment_error;
- u64 rx_bad_fcs;
- u64 rx_packet_too_long;
- u64 rx_out_of_range;
- u64 rx_in_range;
-
- /* Software TX Errors */
- u64 tx_dropped;
- /* BD reported TX errors */
- u64 tx_bd_errors;
- u64 tx_bd_bad_fcs;
- u64 tx_bd_carrier_loss;
- u64 tx_bd_excessive_deferral;
- u64 tx_bd_excessive_collisions;
- u64 tx_bd_late_collision;
- u64 tx_bd_multple_collisions;
- u64 tx_bd_single_collision;
- u64 tx_bd_underrun;
- u64 tx_bd_sqe;
- /* EMAC IRQ reported TX errors */
- u64 tx_parity;
- u64 tx_underrun;
- u64 tx_sqe;
- u64 tx_errors;
-};
-
-#define EMAC_ETHTOOL_STATS_COUNT ((sizeof(struct emac_stats) + \
- sizeof(struct emac_error_stats)) \
- / sizeof(u64))
-
-struct emac_instance {
- struct net_device *ndev;
- struct resource rsrc_regs;
- struct emac_regs __iomem *emacp;
- struct platform_device *ofdev;
- struct device_node **blist; /* bootlist entry */
-
- /* MAL linkage */
- u32 mal_ph;
- struct platform_device *mal_dev;
- u32 mal_rx_chan;
- u32 mal_tx_chan;
- struct mal_instance *mal;
- struct mal_commac commac;
-
- /* PHY infos */
- u32 phy_mode;
- u32 phy_map;
- u32 phy_address;
- u32 phy_feat_exc;
- struct mii_phy phy;
- struct mutex link_lock;
- struct delayed_work link_work;
- int link_polling;
-
- /* GPCS PHY infos */
- u32 gpcs_address;
-
- /* Shared MDIO if any */
- u32 mdio_ph;
- struct platform_device *mdio_dev;
- struct emac_instance *mdio_instance;
- struct mutex mdio_lock;
-
- /* ZMII infos if any */
- u32 zmii_ph;
- u32 zmii_port;
- struct platform_device *zmii_dev;
-
- /* RGMII infos if any */
- u32 rgmii_ph;
- u32 rgmii_port;
- struct platform_device *rgmii_dev;
-
- /* TAH infos if any */
- u32 tah_ph;
- u32 tah_port;
- struct platform_device *tah_dev;
-
- /* IRQs */
- int wol_irq;
- int emac_irq;
-
- /* OPB bus frequency in Mhz */
- u32 opb_bus_freq;
-
- /* Cell index within an ASIC (for clk mgmnt) */
- u32 cell_index;
-
- /* Max supported MTU */
- u32 max_mtu;
-
- /* Feature bits (from probe table) */
- unsigned int features;
-
- /* Tx and Rx fifo sizes & other infos in bytes */
- u32 tx_fifo_size;
- u32 tx_fifo_size_gige;
- u32 rx_fifo_size;
- u32 rx_fifo_size_gige;
- u32 fifo_entry_size;
- u32 mal_burst_size; /* move to MAL ? */
-
- /* IAHT and GAHT filter parameterization */
- u32 xaht_slots_shift;
- u32 xaht_width_shift;
-
- /* Descriptor management
- */
- struct mal_descriptor *tx_desc;
- int tx_cnt;
- int tx_slot;
- int ack_slot;
-
- struct mal_descriptor *rx_desc;
- int rx_slot;
- struct sk_buff *rx_sg_skb; /* 1 */
- int rx_skb_size;
- int rx_sync_size;
-
- struct sk_buff *tx_skb[NUM_TX_BUFF];
- struct sk_buff *rx_skb[NUM_RX_BUFF];
-
- /* Stats
- */
- struct emac_error_stats estats;
- struct net_device_stats nstats;
- struct emac_stats stats;
-
- /* Misc
- */
- int reset_failed;
- int stop_timeout; /* in us */
- int no_mcast;
- int mcast_pending;
- int opened;
- struct work_struct reset_work;
- spinlock_t lock;
-};
-
-/*
- * Features of various EMAC implementations
- */
-
-/*
- * No flow control on 40x according to the original driver
- */
-#define EMAC_FTR_NO_FLOW_CONTROL_40x 0x00000001
-/*
- * Cell is an EMAC4
- */
-#define EMAC_FTR_EMAC4 0x00000002
-/*
- * For the 440SPe, AMCC inexplicably changed the polarity of
- * the "operation complete" bit in the MII control register.
- */
-#define EMAC_FTR_STACR_OC_INVERT 0x00000004
-/*
- * Set if we have a TAH.
- */
-#define EMAC_FTR_HAS_TAH 0x00000008
-/*
- * Set if we have a ZMII.
- */
-#define EMAC_FTR_HAS_ZMII 0x00000010
-/*
- * Set if we have a RGMII.
- */
-#define EMAC_FTR_HAS_RGMII 0x00000020
-/*
- * Set if we have new type STACR with STAOPC
- */
-#define EMAC_FTR_HAS_NEW_STACR 0x00000040
-/*
- * Set if we need phy clock workaround for 440gx
- */
-#define EMAC_FTR_440GX_PHY_CLK_FIX 0x00000080
-/*
- * Set if we need phy clock workaround for 440ep or 440gr
- */
-#define EMAC_FTR_440EP_PHY_CLK_FIX 0x00000100
-/*
- * The 405EX and 460EX contain the EMAC4SYNC core
- */
-#define EMAC_FTR_EMAC4SYNC 0x00000200
-/*
- * Set if we need phy clock workaround for 460ex or 460gt
- */
-#define EMAC_FTR_460EX_PHY_CLK_FIX 0x00000400
-
-
-/* Right now, we don't quite handle the always/possible masks on the
- * most optimal way as we don't have a way to say something like
- * always EMAC4. Patches welcome.
- */
-enum {
- EMAC_FTRS_ALWAYS = 0,
-
- EMAC_FTRS_POSSIBLE =
-#ifdef CONFIG_IBM_NEW_EMAC_EMAC4
- EMAC_FTR_EMAC4 | EMAC_FTR_EMAC4SYNC |
- EMAC_FTR_HAS_NEW_STACR |
- EMAC_FTR_STACR_OC_INVERT | EMAC_FTR_440GX_PHY_CLK_FIX |
-#endif
-#ifdef CONFIG_IBM_NEW_EMAC_TAH
- EMAC_FTR_HAS_TAH |
-#endif
-#ifdef CONFIG_IBM_NEW_EMAC_ZMII
- EMAC_FTR_HAS_ZMII |
-#endif
-#ifdef CONFIG_IBM_NEW_EMAC_RGMII
- EMAC_FTR_HAS_RGMII |
-#endif
-#ifdef CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL
- EMAC_FTR_NO_FLOW_CONTROL_40x |
-#endif
- EMAC_FTR_460EX_PHY_CLK_FIX |
- EMAC_FTR_440EP_PHY_CLK_FIX,
-};
-
-static inline int emac_has_feature(struct emac_instance *dev,
- unsigned long feature)
-{
- return (EMAC_FTRS_ALWAYS & feature) ||
- (EMAC_FTRS_POSSIBLE & dev->features & feature);
-}
-
-/*
- * Various instances of the EMAC core have varying 1) number of
- * address match slots, 2) width of the registers for handling address
- * match slots, 3) number of registers for handling address match
- * slots and 4) base offset for those registers.
- *
- * These macros and inlines handle these differences based on
- * parameters supplied by the device structure which are, in turn,
- * initialized based on the "compatible" entry in the device tree.
- */
-
-#define EMAC4_XAHT_SLOTS_SHIFT 6
-#define EMAC4_XAHT_WIDTH_SHIFT 4
-
-#define EMAC4SYNC_XAHT_SLOTS_SHIFT 8
-#define EMAC4SYNC_XAHT_WIDTH_SHIFT 5
-
-#define EMAC_XAHT_SLOTS(dev) (1 << (dev)->xaht_slots_shift)
-#define EMAC_XAHT_WIDTH(dev) (1 << (dev)->xaht_width_shift)
-#define EMAC_XAHT_REGS(dev) (1 << ((dev)->xaht_slots_shift - \
- (dev)->xaht_width_shift))
-
-#define EMAC_XAHT_CRC_TO_SLOT(dev, crc) \
- ((EMAC_XAHT_SLOTS(dev) - 1) - \
- ((crc) >> ((sizeof (u32) * BITS_PER_BYTE) - \
- (dev)->xaht_slots_shift)))
-
-#define EMAC_XAHT_SLOT_TO_REG(dev, slot) \
- ((slot) >> (dev)->xaht_width_shift)
-
-#define EMAC_XAHT_SLOT_TO_MASK(dev, slot) \
- ((u32)(1 << (EMAC_XAHT_WIDTH(dev) - 1)) >> \
- ((slot) & (u32)(EMAC_XAHT_WIDTH(dev) - 1)))
-
-static inline u32 *emac_xaht_base(struct emac_instance *dev)
-{
- struct emac_regs __iomem *p = dev->emacp;
- int offset;
-
- /* The first IAHT entry always is the base of the block of
- * IAHT and GAHT registers.
- */
- if (emac_has_feature(dev, EMAC_FTR_EMAC4SYNC))
- offset = offsetof(struct emac_regs, u1.emac4sync.iaht1);
- else
- offset = offsetof(struct emac_regs, u0.emac4.iaht1);
-
- return (u32 *)((ptrdiff_t)p + offset);
-}
-
-static inline u32 *emac_gaht_base(struct emac_instance *dev)
-{
- /* GAHT registers always come after an identical number of
- * IAHT registers.
- */
- return emac_xaht_base(dev) + EMAC_XAHT_REGS(dev);
-}
-
-static inline u32 *emac_iaht_base(struct emac_instance *dev)
-{
- /* IAHT registers always come before an identical number of
- * GAHT registers.
- */
- return emac_xaht_base(dev);
-}
-
-/* Ethtool get_regs complex data.
- * We want to get not just EMAC registers, but also MAL, ZMII, RGMII, TAH
- * when available.
- *
- * Returned BLOB consists of the ibm_emac_ethtool_regs_hdr,
- * MAL registers, EMAC registers and optional ZMII, RGMII, TAH registers.
- * Each register component is preceded with emac_ethtool_regs_subhdr.
- * Order of the optional headers follows their relative bit posititions
- * in emac_ethtool_regs_hdr.components
- */
-#define EMAC_ETHTOOL_REGS_ZMII 0x00000001
-#define EMAC_ETHTOOL_REGS_RGMII 0x00000002
-#define EMAC_ETHTOOL_REGS_TAH 0x00000004
-
-struct emac_ethtool_regs_hdr {
- u32 components;
-};
-
-struct emac_ethtool_regs_subhdr {
- u32 version;
- u32 index;
-};
-
-#define EMAC_ETHTOOL_REGS_VER 0
-#define EMAC_ETHTOOL_REGS_SIZE(dev) ((dev)->rsrc_regs.end - \
- (dev)->rsrc_regs.start + 1)
-#define EMAC4_ETHTOOL_REGS_VER 1
-#define EMAC4_ETHTOOL_REGS_SIZE(dev) ((dev)->rsrc_regs.end - \
- (dev)->rsrc_regs.start + 1)
-
-#endif /* __IBM_NEWEMAC_CORE_H */
diff --git a/drivers/net/ibm_newemac/debug.c b/drivers/net/ibm_newemac/debug.c
deleted file mode 100644
index 8c6c1e2a8750..000000000000
--- a/drivers/net/ibm_newemac/debug.c
+++ /dev/null
@@ -1,270 +0,0 @@
-/*
- * drivers/net/ibm_newemac/debug.c
- *
- * Driver for PowerPC 4xx on-chip ethernet controller, debug print routines.
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Copyright (c) 2004, 2005 Zultys Technologies
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/netdevice.h>
-#include <linux/sysrq.h>
-#include <asm/io.h>
-
-#include "core.h"
-
-static DEFINE_SPINLOCK(emac_dbg_lock);
-
-static void emac_desc_dump(struct emac_instance *p)
-{
- int i;
- printk("** EMAC %s TX BDs **\n"
- " tx_cnt = %d tx_slot = %d ack_slot = %d\n",
- p->ofdev->dev.of_node->full_name,
- p->tx_cnt, p->tx_slot, p->ack_slot);
- for (i = 0; i < NUM_TX_BUFF / 2; ++i)
- printk
- ("bd[%2d] 0x%08x %c 0x%04x %4u - bd[%2d] 0x%08x %c 0x%04x %4u\n",
- i, p->tx_desc[i].data_ptr, p->tx_skb[i] ? 'V' : ' ',
- p->tx_desc[i].ctrl, p->tx_desc[i].data_len,
- NUM_TX_BUFF / 2 + i,
- p->tx_desc[NUM_TX_BUFF / 2 + i].data_ptr,
- p->tx_skb[NUM_TX_BUFF / 2 + i] ? 'V' : ' ',
- p->tx_desc[NUM_TX_BUFF / 2 + i].ctrl,
- p->tx_desc[NUM_TX_BUFF / 2 + i].data_len);
-
- printk("** EMAC %s RX BDs **\n"
- " rx_slot = %d flags = 0x%lx rx_skb_size = %d rx_sync_size = %d\n"
- " rx_sg_skb = 0x%p\n",
- p->ofdev->dev.of_node->full_name,
- p->rx_slot, p->commac.flags, p->rx_skb_size,
- p->rx_sync_size, p->rx_sg_skb);
- for (i = 0; i < NUM_RX_BUFF / 2; ++i)
- printk
- ("bd[%2d] 0x%08x %c 0x%04x %4u - bd[%2d] 0x%08x %c 0x%04x %4u\n",
- i, p->rx_desc[i].data_ptr, p->rx_skb[i] ? 'V' : ' ',
- p->rx_desc[i].ctrl, p->rx_desc[i].data_len,
- NUM_RX_BUFF / 2 + i,
- p->rx_desc[NUM_RX_BUFF / 2 + i].data_ptr,
- p->rx_skb[NUM_RX_BUFF / 2 + i] ? 'V' : ' ',
- p->rx_desc[NUM_RX_BUFF / 2 + i].ctrl,
- p->rx_desc[NUM_RX_BUFF / 2 + i].data_len);
-}
-
-static void emac_mac_dump(struct emac_instance *dev)
-{
- struct emac_regs __iomem *p = dev->emacp;
- const int xaht_regs = EMAC_XAHT_REGS(dev);
- u32 *gaht_base = emac_gaht_base(dev);
- u32 *iaht_base = emac_iaht_base(dev);
- int emac4sync = emac_has_feature(dev, EMAC_FTR_EMAC4SYNC);
- int n;
-
- printk("** EMAC %s registers **\n"
- "MR0 = 0x%08x MR1 = 0x%08x TMR0 = 0x%08x TMR1 = 0x%08x\n"
- "RMR = 0x%08x ISR = 0x%08x ISER = 0x%08x\n"
- "IAR = %04x%08x VTPID = 0x%04x VTCI = 0x%04x\n",
- dev->ofdev->dev.of_node->full_name,
- in_be32(&p->mr0), in_be32(&p->mr1),
- in_be32(&p->tmr0), in_be32(&p->tmr1),
- in_be32(&p->rmr), in_be32(&p->isr), in_be32(&p->iser),
- in_be32(&p->iahr), in_be32(&p->ialr), in_be32(&p->vtpid),
- in_be32(&p->vtci)
- );
-
- if (emac4sync)
- printk("MAR = %04x%08x MMAR = %04x%08x\n",
- in_be32(&p->u0.emac4sync.mahr),
- in_be32(&p->u0.emac4sync.malr),
- in_be32(&p->u0.emac4sync.mmahr),
- in_be32(&p->u0.emac4sync.mmalr)
- );
-
- for (n = 0; n < xaht_regs; n++)
- printk("IAHT%02d = 0x%08x\n", n + 1, in_be32(iaht_base + n));
-
- for (n = 0; n < xaht_regs; n++)
- printk("GAHT%02d = 0x%08x\n", n + 1, in_be32(gaht_base + n));
-
- printk("LSA = %04x%08x IPGVR = 0x%04x\n"
- "STACR = 0x%08x TRTR = 0x%08x RWMR = 0x%08x\n"
- "OCTX = 0x%08x OCRX = 0x%08x\n",
- in_be32(&p->lsah), in_be32(&p->lsal), in_be32(&p->ipgvr),
- in_be32(&p->stacr), in_be32(&p->trtr), in_be32(&p->rwmr),
- in_be32(&p->octx), in_be32(&p->ocrx)
- );
-
- if (!emac4sync) {
- printk("IPCR = 0x%08x\n",
- in_be32(&p->u1.emac4.ipcr)
- );
- } else {
- printk("REVID = 0x%08x TPC = 0x%08x\n",
- in_be32(&p->u1.emac4sync.revid),
- in_be32(&p->u1.emac4sync.tpc)
- );
- }
-
- emac_desc_dump(dev);
-}
-
-static void emac_mal_dump(struct mal_instance *mal)
-{
- int i;
-
- printk("** MAL %s Registers **\n"
- "CFG = 0x%08x ESR = 0x%08x IER = 0x%08x\n"
- "TX|CASR = 0x%08x CARR = 0x%08x EOBISR = 0x%08x DEIR = 0x%08x\n"
- "RX|CASR = 0x%08x CARR = 0x%08x EOBISR = 0x%08x DEIR = 0x%08x\n",
- mal->ofdev->dev.of_node->full_name,
- get_mal_dcrn(mal, MAL_CFG), get_mal_dcrn(mal, MAL_ESR),
- get_mal_dcrn(mal, MAL_IER),
- get_mal_dcrn(mal, MAL_TXCASR), get_mal_dcrn(mal, MAL_TXCARR),
- get_mal_dcrn(mal, MAL_TXEOBISR), get_mal_dcrn(mal, MAL_TXDEIR),
- get_mal_dcrn(mal, MAL_RXCASR), get_mal_dcrn(mal, MAL_RXCARR),
- get_mal_dcrn(mal, MAL_RXEOBISR), get_mal_dcrn(mal, MAL_RXDEIR)
- );
-
- printk("TX|");
- for (i = 0; i < mal->num_tx_chans; ++i) {
- if (i && !(i % 4))
- printk("\n ");
- printk("CTP%d = 0x%08x ", i, get_mal_dcrn(mal, MAL_TXCTPR(i)));
- }
- printk("\nRX|");
- for (i = 0; i < mal->num_rx_chans; ++i) {
- if (i && !(i % 4))
- printk("\n ");
- printk("CTP%d = 0x%08x ", i, get_mal_dcrn(mal, MAL_RXCTPR(i)));
- }
- printk("\n ");
- for (i = 0; i < mal->num_rx_chans; ++i) {
- u32 r = get_mal_dcrn(mal, MAL_RCBS(i));
- if (i && !(i % 3))
- printk("\n ");
- printk("RCBS%d = 0x%08x (%d) ", i, r, r * 16);
- }
- printk("\n");
-}
-
-static struct emac_instance *__emacs[4];
-static struct mal_instance *__mals[1];
-
-void emac_dbg_register(struct emac_instance *dev)
-{
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&emac_dbg_lock, flags);
- for (i = 0; i < ARRAY_SIZE(__emacs); i++)
- if (__emacs[i] == NULL) {
- __emacs[i] = dev;
- break;
- }
- spin_unlock_irqrestore(&emac_dbg_lock, flags);
-}
-
-void emac_dbg_unregister(struct emac_instance *dev)
-{
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&emac_dbg_lock, flags);
- for (i = 0; i < ARRAY_SIZE(__emacs); i++)
- if (__emacs[i] == dev) {
- __emacs[i] = NULL;
- break;
- }
- spin_unlock_irqrestore(&emac_dbg_lock, flags);
-}
-
-void mal_dbg_register(struct mal_instance *mal)
-{
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&emac_dbg_lock, flags);
- for (i = 0; i < ARRAY_SIZE(__mals); i++)
- if (__mals[i] == NULL) {
- __mals[i] = mal;
- break;
- }
- spin_unlock_irqrestore(&emac_dbg_lock, flags);
-}
-
-void mal_dbg_unregister(struct mal_instance *mal)
-{
- unsigned long flags;
- int i;
-
- spin_lock_irqsave(&emac_dbg_lock, flags);
- for (i = 0; i < ARRAY_SIZE(__mals); i++)
- if (__mals[i] == mal) {
- __mals[i] = NULL;
- break;
- }
- spin_unlock_irqrestore(&emac_dbg_lock, flags);
-}
-
-void emac_dbg_dump_all(void)
-{
- unsigned int i;
- unsigned long flags;
-
- spin_lock_irqsave(&emac_dbg_lock, flags);
-
- for (i = 0; i < ARRAY_SIZE(__mals); ++i)
- if (__mals[i])
- emac_mal_dump(__mals[i]);
-
- for (i = 0; i < ARRAY_SIZE(__emacs); ++i)
- if (__emacs[i])
- emac_mac_dump(__emacs[i]);
-
- spin_unlock_irqrestore(&emac_dbg_lock, flags);
-}
-
-#if defined(CONFIG_MAGIC_SYSRQ)
-static void emac_sysrq_handler(int key)
-{
- emac_dbg_dump_all();
-}
-
-static struct sysrq_key_op emac_sysrq_op = {
- .handler = emac_sysrq_handler,
- .help_msg = "emaC",
- .action_msg = "Show EMAC(s) status",
-};
-
-int __init emac_init_debug(void)
-{
- return register_sysrq_key('c', &emac_sysrq_op);
-}
-
-void __exit emac_fini_debug(void)
-{
- unregister_sysrq_key('c', &emac_sysrq_op);
-}
-
-#else
-int __init emac_init_debug(void)
-{
- return 0;
-}
-void __exit emac_fini_debug(void)
-{
-}
-#endif /* CONFIG_MAGIC_SYSRQ */
diff --git a/drivers/net/ibm_newemac/debug.h b/drivers/net/ibm_newemac/debug.h
deleted file mode 100644
index e596c77ccdf7..000000000000
--- a/drivers/net/ibm_newemac/debug.h
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * drivers/net/ibm_newemac/debug.h
- *
- * Driver for PowerPC 4xx on-chip ethernet controller, debug print routines.
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Copyright (c) 2004, 2005 Zultys Technologies
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-#ifndef __IBM_NEWEMAC_DEBUG_H
-#define __IBM_NEWEMAC_DEBUG_H
-
-#include <linux/init.h>
-
-#include "core.h"
-
-#if defined(CONFIG_IBM_NEW_EMAC_DEBUG)
-
-struct emac_instance;
-struct mal_instance;
-
-extern void emac_dbg_register(struct emac_instance *dev);
-extern void emac_dbg_unregister(struct emac_instance *dev);
-extern void mal_dbg_register(struct mal_instance *mal);
-extern void mal_dbg_unregister(struct mal_instance *mal);
-extern int emac_init_debug(void) __init;
-extern void emac_fini_debug(void) __exit;
-extern void emac_dbg_dump_all(void);
-
-# define DBG_LEVEL 1
-
-#else
-
-# define emac_dbg_register(x) do { } while(0)
-# define emac_dbg_unregister(x) do { } while(0)
-# define mal_dbg_register(x) do { } while(0)
-# define mal_dbg_unregister(x) do { } while(0)
-# define emac_init_debug() do { } while(0)
-# define emac_fini_debug() do { } while(0)
-# define emac_dbg_dump_all() do { } while(0)
-
-# define DBG_LEVEL 0
-
-#endif
-
-#define EMAC_DBG(d, name, fmt, arg...) \
- printk(KERN_DEBUG #name "%s: " fmt, d->ofdev->dev.of_node->full_name, ## arg)
-
-#if DBG_LEVEL > 0
-# define DBG(d,f,x...) EMAC_DBG(d, emac, f, ##x)
-# define MAL_DBG(d,f,x...) EMAC_DBG(d, mal, f, ##x)
-# define ZMII_DBG(d,f,x...) EMAC_DBG(d, zmii, f, ##x)
-# define RGMII_DBG(d,f,x...) EMAC_DBG(d, rgmii, f, ##x)
-# define NL "\n"
-#else
-# define DBG(f,x...) ((void)0)
-# define MAL_DBG(d,f,x...) ((void)0)
-# define ZMII_DBG(d,f,x...) ((void)0)
-# define RGMII_DBG(d,f,x...) ((void)0)
-#endif
-#if DBG_LEVEL > 1
-# define DBG2(d,f,x...) DBG(d,f, ##x)
-# define MAL_DBG2(d,f,x...) MAL_DBG(d,f, ##x)
-# define ZMII_DBG2(d,f,x...) ZMII_DBG(d,f, ##x)
-# define RGMII_DBG2(d,f,x...) RGMII_DBG(d,f, ##x)
-#else
-# define DBG2(f,x...) ((void)0)
-# define MAL_DBG2(d,f,x...) ((void)0)
-# define ZMII_DBG2(d,f,x...) ((void)0)
-# define RGMII_DBG2(d,f,x...) ((void)0)
-#endif
-
-#endif /* __IBM_NEWEMAC_DEBUG_H */
diff --git a/drivers/net/ibm_newemac/emac.h b/drivers/net/ibm_newemac/emac.h
deleted file mode 100644
index 1568278d759a..000000000000
--- a/drivers/net/ibm_newemac/emac.h
+++ /dev/null
@@ -1,312 +0,0 @@
-/*
- * drivers/net/ibm_newemac/emac.h
- *
- * Register definitions for PowerPC 4xx on-chip ethernet contoller
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Copyright (c) 2004, 2005 Zultys Technologies.
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- *
- * Based on original work by
- * Matt Porter <mporter@kernel.crashing.org>
- * Armin Kuster <akuster@mvista.com>
- * Copyright 2002-2004 MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-#ifndef __IBM_NEWEMAC_H
-#define __IBM_NEWEMAC_H
-
-#include <linux/types.h>
-#include <linux/phy.h>
-
-/* EMAC registers Write Access rules */
-struct emac_regs {
- /* Common registers across all EMAC implementations. */
- u32 mr0; /* Special */
- u32 mr1; /* Reset */
- u32 tmr0; /* Special */
- u32 tmr1; /* Special */
- u32 rmr; /* Reset */
- u32 isr; /* Always */
- u32 iser; /* Reset */
- u32 iahr; /* Reset, R, T */
- u32 ialr; /* Reset, R, T */
- u32 vtpid; /* Reset, R, T */
- u32 vtci; /* Reset, R, T */
- u32 ptr; /* Reset, T */
- union {
- /* Registers unique to EMAC4 implementations */
- struct {
- u32 iaht1; /* Reset, R */
- u32 iaht2; /* Reset, R */
- u32 iaht3; /* Reset, R */
- u32 iaht4; /* Reset, R */
- u32 gaht1; /* Reset, R */
- u32 gaht2; /* Reset, R */
- u32 gaht3; /* Reset, R */
- u32 gaht4; /* Reset, R */
- } emac4;
- /* Registers unique to EMAC4SYNC implementations */
- struct {
- u32 mahr; /* Reset, R, T */
- u32 malr; /* Reset, R, T */
- u32 mmahr; /* Reset, R, T */
- u32 mmalr; /* Reset, R, T */
- u32 rsvd0[4];
- } emac4sync;
- } u0;
- /* Common registers across all EMAC implementations. */
- u32 lsah;
- u32 lsal;
- u32 ipgvr; /* Reset, T */
- u32 stacr; /* Special */
- u32 trtr; /* Special */
- u32 rwmr; /* Reset */
- u32 octx;
- u32 ocrx;
- union {
- /* Registers unique to EMAC4 implementations */
- struct {
- u32 ipcr;
- } emac4;
- /* Registers unique to EMAC4SYNC implementations */
- struct {
- u32 rsvd1;
- u32 revid;
- u32 rsvd2[2];
- u32 iaht1; /* Reset, R */
- u32 iaht2; /* Reset, R */
- u32 iaht3; /* Reset, R */
- u32 iaht4; /* Reset, R */
- u32 iaht5; /* Reset, R */
- u32 iaht6; /* Reset, R */
- u32 iaht7; /* Reset, R */
- u32 iaht8; /* Reset, R */
- u32 gaht1; /* Reset, R */
- u32 gaht2; /* Reset, R */
- u32 gaht3; /* Reset, R */
- u32 gaht4; /* Reset, R */
- u32 gaht5; /* Reset, R */
- u32 gaht6; /* Reset, R */
- u32 gaht7; /* Reset, R */
- u32 gaht8; /* Reset, R */
- u32 tpc; /* Reset, T */
- } emac4sync;
- } u1;
-};
-
-/*
- * PHY mode settings (EMAC <-> ZMII/RGMII bridge <-> PHY)
- */
-#define PHY_MODE_NA PHY_INTERFACE_MODE_NA
-#define PHY_MODE_MII PHY_INTERFACE_MODE_MII
-#define PHY_MODE_RMII PHY_INTERFACE_MODE_RMII
-#define PHY_MODE_SMII PHY_INTERFACE_MODE_SMII
-#define PHY_MODE_RGMII PHY_INTERFACE_MODE_RGMII
-#define PHY_MODE_TBI PHY_INTERFACE_MODE_TBI
-#define PHY_MODE_GMII PHY_INTERFACE_MODE_GMII
-#define PHY_MODE_RTBI PHY_INTERFACE_MODE_RTBI
-#define PHY_MODE_SGMII PHY_INTERFACE_MODE_SGMII
-
-/* EMACx_MR0 */
-#define EMAC_MR0_RXI 0x80000000
-#define EMAC_MR0_TXI 0x40000000
-#define EMAC_MR0_SRST 0x20000000
-#define EMAC_MR0_TXE 0x10000000
-#define EMAC_MR0_RXE 0x08000000
-#define EMAC_MR0_WKE 0x04000000
-
-/* EMACx_MR1 */
-#define EMAC_MR1_FDE 0x80000000
-#define EMAC_MR1_ILE 0x40000000
-#define EMAC_MR1_VLE 0x20000000
-#define EMAC_MR1_EIFC 0x10000000
-#define EMAC_MR1_APP 0x08000000
-#define EMAC_MR1_IST 0x01000000
-
-#define EMAC_MR1_MF_MASK 0x00c00000
-#define EMAC_MR1_MF_10 0x00000000
-#define EMAC_MR1_MF_100 0x00400000
-#define EMAC_MR1_MF_1000 0x00800000
-#define EMAC_MR1_MF_1000GPCS 0x00c00000
-#define EMAC_MR1_MF_IPPA(id) (((id) & 0x1f) << 6)
-
-#define EMAC_MR1_RFS_4K 0x00300000
-#define EMAC_MR1_RFS_16K 0x00000000
-#define EMAC_MR1_TFS_2K 0x00080000
-#define EMAC_MR1_TR0_MULT 0x00008000
-#define EMAC_MR1_JPSM 0x00000000
-#define EMAC_MR1_MWSW_001 0x00000000
-#define EMAC_MR1_BASE(opb) (EMAC_MR1_TFS_2K | EMAC_MR1_TR0_MULT)
-
-
-#define EMAC4_MR1_RFS_2K 0x00100000
-#define EMAC4_MR1_RFS_4K 0x00180000
-#define EMAC4_MR1_RFS_16K 0x00280000
-#define EMAC4_MR1_TFS_2K 0x00020000
-#define EMAC4_MR1_TFS_4K 0x00030000
-#define EMAC4_MR1_TFS_16K 0x00050000
-#define EMAC4_MR1_TR 0x00008000
-#define EMAC4_MR1_MWSW_001 0x00001000
-#define EMAC4_MR1_JPSM 0x00000800
-#define EMAC4_MR1_OBCI_MASK 0x00000038
-#define EMAC4_MR1_OBCI_50 0x00000000
-#define EMAC4_MR1_OBCI_66 0x00000008
-#define EMAC4_MR1_OBCI_83 0x00000010
-#define EMAC4_MR1_OBCI_100 0x00000018
-#define EMAC4_MR1_OBCI_100P 0x00000020
-#define EMAC4_MR1_OBCI(freq) ((freq) <= 50 ? EMAC4_MR1_OBCI_50 : \
- (freq) <= 66 ? EMAC4_MR1_OBCI_66 : \
- (freq) <= 83 ? EMAC4_MR1_OBCI_83 : \
- (freq) <= 100 ? EMAC4_MR1_OBCI_100 : \
- EMAC4_MR1_OBCI_100P)
-
-/* EMACx_TMR0 */
-#define EMAC_TMR0_GNP 0x80000000
-#define EMAC_TMR0_DEFAULT 0x00000000
-#define EMAC4_TMR0_TFAE_2_32 0x00000001
-#define EMAC4_TMR0_TFAE_4_64 0x00000002
-#define EMAC4_TMR0_TFAE_8_128 0x00000003
-#define EMAC4_TMR0_TFAE_16_256 0x00000004
-#define EMAC4_TMR0_TFAE_32_512 0x00000005
-#define EMAC4_TMR0_TFAE_64_1024 0x00000006
-#define EMAC4_TMR0_TFAE_128_2048 0x00000007
-#define EMAC4_TMR0_DEFAULT EMAC4_TMR0_TFAE_2_32
-#define EMAC_TMR0_XMIT (EMAC_TMR0_GNP | EMAC_TMR0_DEFAULT)
-#define EMAC4_TMR0_XMIT (EMAC_TMR0_GNP | EMAC4_TMR0_DEFAULT)
-
-/* EMACx_TMR1 */
-
-#define EMAC_TMR1(l,h) (((l) << 27) | (((h) & 0xff) << 16))
-#define EMAC4_TMR1(l,h) (((l) << 27) | (((h) & 0x3ff) << 14))
-
-/* EMACx_RMR */
-#define EMAC_RMR_SP 0x80000000
-#define EMAC_RMR_SFCS 0x40000000
-#define EMAC_RMR_RRP 0x20000000
-#define EMAC_RMR_RFP 0x10000000
-#define EMAC_RMR_ROP 0x08000000
-#define EMAC_RMR_RPIR 0x04000000
-#define EMAC_RMR_PPP 0x02000000
-#define EMAC_RMR_PME 0x01000000
-#define EMAC_RMR_PMME 0x00800000
-#define EMAC_RMR_IAE 0x00400000
-#define EMAC_RMR_MIAE 0x00200000
-#define EMAC_RMR_BAE 0x00100000
-#define EMAC_RMR_MAE 0x00080000
-#define EMAC_RMR_BASE 0x00000000
-#define EMAC4_RMR_RFAF_2_32 0x00000001
-#define EMAC4_RMR_RFAF_4_64 0x00000002
-#define EMAC4_RMR_RFAF_8_128 0x00000003
-#define EMAC4_RMR_RFAF_16_256 0x00000004
-#define EMAC4_RMR_RFAF_32_512 0x00000005
-#define EMAC4_RMR_RFAF_64_1024 0x00000006
-#define EMAC4_RMR_RFAF_128_2048 0x00000007
-#define EMAC4_RMR_BASE EMAC4_RMR_RFAF_128_2048
-
-/* EMACx_ISR & EMACx_ISER */
-#define EMAC4_ISR_TXPE 0x20000000
-#define EMAC4_ISR_RXPE 0x10000000
-#define EMAC4_ISR_TXUE 0x08000000
-#define EMAC4_ISR_RXOE 0x04000000
-#define EMAC_ISR_OVR 0x02000000
-#define EMAC_ISR_PP 0x01000000
-#define EMAC_ISR_BP 0x00800000
-#define EMAC_ISR_RP 0x00400000
-#define EMAC_ISR_SE 0x00200000
-#define EMAC_ISR_ALE 0x00100000
-#define EMAC_ISR_BFCS 0x00080000
-#define EMAC_ISR_PTLE 0x00040000
-#define EMAC_ISR_ORE 0x00020000
-#define EMAC_ISR_IRE 0x00010000
-#define EMAC_ISR_SQE 0x00000080
-#define EMAC_ISR_TE 0x00000040
-#define EMAC_ISR_MOS 0x00000002
-#define EMAC_ISR_MOF 0x00000001
-
-/* EMACx_STACR */
-#define EMAC_STACR_PHYD_MASK 0xffff
-#define EMAC_STACR_PHYD_SHIFT 16
-#define EMAC_STACR_OC 0x00008000
-#define EMAC_STACR_PHYE 0x00004000
-#define EMAC_STACR_STAC_MASK 0x00003000
-#define EMAC_STACR_STAC_READ 0x00001000
-#define EMAC_STACR_STAC_WRITE 0x00002000
-#define EMAC_STACR_OPBC_MASK 0x00000C00
-#define EMAC_STACR_OPBC_50 0x00000000
-#define EMAC_STACR_OPBC_66 0x00000400
-#define EMAC_STACR_OPBC_83 0x00000800
-#define EMAC_STACR_OPBC_100 0x00000C00
-#define EMAC_STACR_OPBC(freq) ((freq) <= 50 ? EMAC_STACR_OPBC_50 : \
- (freq) <= 66 ? EMAC_STACR_OPBC_66 : \
- (freq) <= 83 ? EMAC_STACR_OPBC_83 : EMAC_STACR_OPBC_100)
-#define EMAC_STACR_BASE(opb) EMAC_STACR_OPBC(opb)
-#define EMAC4_STACR_BASE(opb) 0x00000000
-#define EMAC_STACR_PCDA_MASK 0x1f
-#define EMAC_STACR_PCDA_SHIFT 5
-#define EMAC_STACR_PRA_MASK 0x1f
-#define EMACX_STACR_STAC_MASK 0x00003800
-#define EMACX_STACR_STAC_READ 0x00001000
-#define EMACX_STACR_STAC_WRITE 0x00000800
-#define EMACX_STACR_STAC_IND_ADDR 0x00002000
-#define EMACX_STACR_STAC_IND_READ 0x00003800
-#define EMACX_STACR_STAC_IND_READINC 0x00003000
-#define EMACX_STACR_STAC_IND_WRITE 0x00002800
-
-
-/* EMACx_TRTR */
-#define EMAC_TRTR_SHIFT_EMAC4 24
-#define EMAC_TRTR_SHIFT 27
-
-/* EMAC specific TX descriptor control fields (write access) */
-#define EMAC_TX_CTRL_GFCS 0x0200
-#define EMAC_TX_CTRL_GP 0x0100
-#define EMAC_TX_CTRL_ISA 0x0080
-#define EMAC_TX_CTRL_RSA 0x0040
-#define EMAC_TX_CTRL_IVT 0x0020
-#define EMAC_TX_CTRL_RVT 0x0010
-#define EMAC_TX_CTRL_TAH_CSUM 0x000e
-
-/* EMAC specific TX descriptor status fields (read access) */
-#define EMAC_TX_ST_BFCS 0x0200
-#define EMAC_TX_ST_LCS 0x0080
-#define EMAC_TX_ST_ED 0x0040
-#define EMAC_TX_ST_EC 0x0020
-#define EMAC_TX_ST_LC 0x0010
-#define EMAC_TX_ST_MC 0x0008
-#define EMAC_TX_ST_SC 0x0004
-#define EMAC_TX_ST_UR 0x0002
-#define EMAC_TX_ST_SQE 0x0001
-#define EMAC_IS_BAD_TX (EMAC_TX_ST_LCS | EMAC_TX_ST_ED | \
- EMAC_TX_ST_EC | EMAC_TX_ST_LC | \
- EMAC_TX_ST_MC | EMAC_TX_ST_UR)
-#define EMAC_IS_BAD_TX_TAH (EMAC_TX_ST_LCS | EMAC_TX_ST_ED | \
- EMAC_TX_ST_EC | EMAC_TX_ST_LC)
-
-/* EMAC specific RX descriptor status fields (read access) */
-#define EMAC_RX_ST_OE 0x0200
-#define EMAC_RX_ST_PP 0x0100
-#define EMAC_RX_ST_BP 0x0080
-#define EMAC_RX_ST_RP 0x0040
-#define EMAC_RX_ST_SE 0x0020
-#define EMAC_RX_ST_AE 0x0010
-#define EMAC_RX_ST_BFCS 0x0008
-#define EMAC_RX_ST_PTL 0x0004
-#define EMAC_RX_ST_ORE 0x0002
-#define EMAC_RX_ST_IRE 0x0001
-#define EMAC_RX_TAH_BAD_CSUM 0x0003
-#define EMAC_BAD_RX_MASK (EMAC_RX_ST_OE | EMAC_RX_ST_BP | \
- EMAC_RX_ST_RP | EMAC_RX_ST_SE | \
- EMAC_RX_ST_AE | EMAC_RX_ST_BFCS | \
- EMAC_RX_ST_PTL | EMAC_RX_ST_ORE | \
- EMAC_RX_ST_IRE )
-#endif /* __IBM_NEWEMAC_H */
diff --git a/drivers/net/ibm_newemac/mal.c b/drivers/net/ibm_newemac/mal.c
deleted file mode 100644
index d268f404b7b0..000000000000
--- a/drivers/net/ibm_newemac/mal.c
+++ /dev/null
@@ -1,809 +0,0 @@
-/*
- * drivers/net/ibm_newemac/mal.c
- *
- * Memory Access Layer (MAL) support
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Copyright (c) 2004, 2005 Zultys Technologies.
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- *
- * Based on original work by
- * Benjamin Herrenschmidt <benh@kernel.crashing.org>,
- * David Gibson <hermes@gibson.dropbear.id.au>,
- *
- * Armin Kuster <akuster@mvista.com>
- * Copyright 2002 MontaVista Softare Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-
-#include <linux/delay.h>
-#include <linux/slab.h>
-
-#include "core.h"
-#include <asm/dcr-regs.h>
-
-static int mal_count;
-
-int __devinit mal_register_commac(struct mal_instance *mal,
- struct mal_commac *commac)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&mal->lock, flags);
-
- MAL_DBG(mal, "reg(%08x, %08x)" NL,
- commac->tx_chan_mask, commac->rx_chan_mask);
-
- /* Don't let multiple commacs claim the same channel(s) */
- if ((mal->tx_chan_mask & commac->tx_chan_mask) ||
- (mal->rx_chan_mask & commac->rx_chan_mask)) {
- spin_unlock_irqrestore(&mal->lock, flags);
- printk(KERN_WARNING "mal%d: COMMAC channels conflict!\n",
- mal->index);
- return -EBUSY;
- }
-
- if (list_empty(&mal->list))
- napi_enable(&mal->napi);
- mal->tx_chan_mask |= commac->tx_chan_mask;
- mal->rx_chan_mask |= commac->rx_chan_mask;
- list_add(&commac->list, &mal->list);
-
- spin_unlock_irqrestore(&mal->lock, flags);
-
- return 0;
-}
-
-void mal_unregister_commac(struct mal_instance *mal,
- struct mal_commac *commac)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&mal->lock, flags);
-
- MAL_DBG(mal, "unreg(%08x, %08x)" NL,
- commac->tx_chan_mask, commac->rx_chan_mask);
-
- mal->tx_chan_mask &= ~commac->tx_chan_mask;
- mal->rx_chan_mask &= ~commac->rx_chan_mask;
- list_del_init(&commac->list);
- if (list_empty(&mal->list))
- napi_disable(&mal->napi);
-
- spin_unlock_irqrestore(&mal->lock, flags);
-}
-
-int mal_set_rcbs(struct mal_instance *mal, int channel, unsigned long size)
-{
- BUG_ON(channel < 0 || channel >= mal->num_rx_chans ||
- size > MAL_MAX_RX_SIZE);
-
- MAL_DBG(mal, "set_rbcs(%d, %lu)" NL, channel, size);
-
- if (size & 0xf) {
- printk(KERN_WARNING
- "mal%d: incorrect RX size %lu for the channel %d\n",
- mal->index, size, channel);
- return -EINVAL;
- }
-
- set_mal_dcrn(mal, MAL_RCBS(channel), size >> 4);
- return 0;
-}
-
-int mal_tx_bd_offset(struct mal_instance *mal, int channel)
-{
- BUG_ON(channel < 0 || channel >= mal->num_tx_chans);
-
- return channel * NUM_TX_BUFF;
-}
-
-int mal_rx_bd_offset(struct mal_instance *mal, int channel)
-{
- BUG_ON(channel < 0 || channel >= mal->num_rx_chans);
- return mal->num_tx_chans * NUM_TX_BUFF + channel * NUM_RX_BUFF;
-}
-
-void mal_enable_tx_channel(struct mal_instance *mal, int channel)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&mal->lock, flags);
-
- MAL_DBG(mal, "enable_tx(%d)" NL, channel);
-
- set_mal_dcrn(mal, MAL_TXCASR,
- get_mal_dcrn(mal, MAL_TXCASR) | MAL_CHAN_MASK(channel));
-
- spin_unlock_irqrestore(&mal->lock, flags);
-}
-
-void mal_disable_tx_channel(struct mal_instance *mal, int channel)
-{
- set_mal_dcrn(mal, MAL_TXCARR, MAL_CHAN_MASK(channel));
-
- MAL_DBG(mal, "disable_tx(%d)" NL, channel);
-}
-
-void mal_enable_rx_channel(struct mal_instance *mal, int channel)
-{
- unsigned long flags;
-
- /*
- * On some 4xx PPC's (e.g. 460EX/GT), the rx channel is a multiple
- * of 8, but enabling in MAL_RXCASR needs the divided by 8 value
- * for the bitmask
- */
- if (!(channel % 8))
- channel >>= 3;
-
- spin_lock_irqsave(&mal->lock, flags);
-
- MAL_DBG(mal, "enable_rx(%d)" NL, channel);
-
- set_mal_dcrn(mal, MAL_RXCASR,
- get_mal_dcrn(mal, MAL_RXCASR) | MAL_CHAN_MASK(channel));
-
- spin_unlock_irqrestore(&mal->lock, flags);
-}
-
-void mal_disable_rx_channel(struct mal_instance *mal, int channel)
-{
- /*
- * On some 4xx PPC's (e.g. 460EX/GT), the rx channel is a multiple
- * of 8, but enabling in MAL_RXCASR needs the divided by 8 value
- * for the bitmask
- */
- if (!(channel % 8))
- channel >>= 3;
-
- set_mal_dcrn(mal, MAL_RXCARR, MAL_CHAN_MASK(channel));
-
- MAL_DBG(mal, "disable_rx(%d)" NL, channel);
-}
-
-void mal_poll_add(struct mal_instance *mal, struct mal_commac *commac)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&mal->lock, flags);
-
- MAL_DBG(mal, "poll_add(%p)" NL, commac);
-
- /* starts disabled */
- set_bit(MAL_COMMAC_POLL_DISABLED, &commac->flags);
-
- list_add_tail(&commac->poll_list, &mal->poll_list);
-
- spin_unlock_irqrestore(&mal->lock, flags);
-}
-
-void mal_poll_del(struct mal_instance *mal, struct mal_commac *commac)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&mal->lock, flags);
-
- MAL_DBG(mal, "poll_del(%p)" NL, commac);
-
- list_del(&commac->poll_list);
-
- spin_unlock_irqrestore(&mal->lock, flags);
-}
-
-/* synchronized by mal_poll() */
-static inline void mal_enable_eob_irq(struct mal_instance *mal)
-{
- MAL_DBG2(mal, "enable_irq" NL);
-
- // XXX might want to cache MAL_CFG as the DCR read can be slooooow
- set_mal_dcrn(mal, MAL_CFG, get_mal_dcrn(mal, MAL_CFG) | MAL_CFG_EOPIE);
-}
-
-/* synchronized by NAPI state */
-static inline void mal_disable_eob_irq(struct mal_instance *mal)
-{
- // XXX might want to cache MAL_CFG as the DCR read can be slooooow
- set_mal_dcrn(mal, MAL_CFG, get_mal_dcrn(mal, MAL_CFG) & ~MAL_CFG_EOPIE);
-
- MAL_DBG2(mal, "disable_irq" NL);
-}
-
-static irqreturn_t mal_serr(int irq, void *dev_instance)
-{
- struct mal_instance *mal = dev_instance;
-
- u32 esr = get_mal_dcrn(mal, MAL_ESR);
-
- /* Clear the error status register */
- set_mal_dcrn(mal, MAL_ESR, esr);
-
- MAL_DBG(mal, "SERR %08x" NL, esr);
-
- if (esr & MAL_ESR_EVB) {
- if (esr & MAL_ESR_DE) {
- /* We ignore Descriptor error,
- * TXDE or RXDE interrupt will be generated anyway.
- */
- return IRQ_HANDLED;
- }
-
- if (esr & MAL_ESR_PEIN) {
- /* PLB error, it's probably buggy hardware or
- * incorrect physical address in BD (i.e. bug)
- */
- if (net_ratelimit())
- printk(KERN_ERR
- "mal%d: system error, "
- "PLB (ESR = 0x%08x)\n",
- mal->index, esr);
- return IRQ_HANDLED;
- }
-
- /* OPB error, it's probably buggy hardware or incorrect
- * EBC setup
- */
- if (net_ratelimit())
- printk(KERN_ERR
- "mal%d: system error, OPB (ESR = 0x%08x)\n",
- mal->index, esr);
- }
- return IRQ_HANDLED;
-}
-
-static inline void mal_schedule_poll(struct mal_instance *mal)
-{
- if (likely(napi_schedule_prep(&mal->napi))) {
- MAL_DBG2(mal, "schedule_poll" NL);
- mal_disable_eob_irq(mal);
- __napi_schedule(&mal->napi);
- } else
- MAL_DBG2(mal, "already in poll" NL);
-}
-
-static irqreturn_t mal_txeob(int irq, void *dev_instance)
-{
- struct mal_instance *mal = dev_instance;
-
- u32 r = get_mal_dcrn(mal, MAL_TXEOBISR);
-
- MAL_DBG2(mal, "txeob %08x" NL, r);
-
- mal_schedule_poll(mal);
- set_mal_dcrn(mal, MAL_TXEOBISR, r);
-
-#ifdef CONFIG_PPC_DCR_NATIVE
- if (mal_has_feature(mal, MAL_FTR_CLEAR_ICINTSTAT))
- mtdcri(SDR0, DCRN_SDR_ICINTSTAT,
- (mfdcri(SDR0, DCRN_SDR_ICINTSTAT) | ICINTSTAT_ICTX));
-#endif
-
- return IRQ_HANDLED;
-}
-
-static irqreturn_t mal_rxeob(int irq, void *dev_instance)
-{
- struct mal_instance *mal = dev_instance;
-
- u32 r = get_mal_dcrn(mal, MAL_RXEOBISR);
-
- MAL_DBG2(mal, "rxeob %08x" NL, r);
-
- mal_schedule_poll(mal);
- set_mal_dcrn(mal, MAL_RXEOBISR, r);
-
-#ifdef CONFIG_PPC_DCR_NATIVE
- if (mal_has_feature(mal, MAL_FTR_CLEAR_ICINTSTAT))
- mtdcri(SDR0, DCRN_SDR_ICINTSTAT,
- (mfdcri(SDR0, DCRN_SDR_ICINTSTAT) | ICINTSTAT_ICRX));
-#endif
-
- return IRQ_HANDLED;
-}
-
-static irqreturn_t mal_txde(int irq, void *dev_instance)
-{
- struct mal_instance *mal = dev_instance;
-
- u32 deir = get_mal_dcrn(mal, MAL_TXDEIR);
- set_mal_dcrn(mal, MAL_TXDEIR, deir);
-
- MAL_DBG(mal, "txde %08x" NL, deir);
-
- if (net_ratelimit())
- printk(KERN_ERR
- "mal%d: TX descriptor error (TXDEIR = 0x%08x)\n",
- mal->index, deir);
-
- return IRQ_HANDLED;
-}
-
-static irqreturn_t mal_rxde(int irq, void *dev_instance)
-{
- struct mal_instance *mal = dev_instance;
- struct list_head *l;
-
- u32 deir = get_mal_dcrn(mal, MAL_RXDEIR);
-
- MAL_DBG(mal, "rxde %08x" NL, deir);
-
- list_for_each(l, &mal->list) {
- struct mal_commac *mc = list_entry(l, struct mal_commac, list);
- if (deir & mc->rx_chan_mask) {
- set_bit(MAL_COMMAC_RX_STOPPED, &mc->flags);
- mc->ops->rxde(mc->dev);
- }
- }
-
- mal_schedule_poll(mal);
- set_mal_dcrn(mal, MAL_RXDEIR, deir);
-
- return IRQ_HANDLED;
-}
-
-static irqreturn_t mal_int(int irq, void *dev_instance)
-{
- struct mal_instance *mal = dev_instance;
- u32 esr = get_mal_dcrn(mal, MAL_ESR);
-
- if (esr & MAL_ESR_EVB) {
- /* descriptor error */
- if (esr & MAL_ESR_DE) {
- if (esr & MAL_ESR_CIDT)
- return mal_rxde(irq, dev_instance);
- else
- return mal_txde(irq, dev_instance);
- } else { /* SERR */
- return mal_serr(irq, dev_instance);
- }
- }
- return IRQ_HANDLED;
-}
-
-void mal_poll_disable(struct mal_instance *mal, struct mal_commac *commac)
-{
- /* Spinlock-type semantics: only one caller disable poll at a time */
- while (test_and_set_bit(MAL_COMMAC_POLL_DISABLED, &commac->flags))
- msleep(1);
-
- /* Synchronize with the MAL NAPI poller */
- napi_synchronize(&mal->napi);
-}
-
-void mal_poll_enable(struct mal_instance *mal, struct mal_commac *commac)
-{
- smp_wmb();
- clear_bit(MAL_COMMAC_POLL_DISABLED, &commac->flags);
-
- /* Feels better to trigger a poll here to catch up with events that
- * may have happened on this channel while disabled. It will most
- * probably be delayed until the next interrupt but that's mostly a
- * non-issue in the context where this is called.
- */
- napi_schedule(&mal->napi);
-}
-
-static int mal_poll(struct napi_struct *napi, int budget)
-{
- struct mal_instance *mal = container_of(napi, struct mal_instance, napi);
- struct list_head *l;
- int received = 0;
- unsigned long flags;
-
- MAL_DBG2(mal, "poll(%d)" NL, budget);
- again:
- /* Process TX skbs */
- list_for_each(l, &mal->poll_list) {
- struct mal_commac *mc =
- list_entry(l, struct mal_commac, poll_list);
- mc->ops->poll_tx(mc->dev);
- }
-
- /* Process RX skbs.
- *
- * We _might_ need something more smart here to enforce polling
- * fairness.
- */
- list_for_each(l, &mal->poll_list) {
- struct mal_commac *mc =
- list_entry(l, struct mal_commac, poll_list);
- int n;
- if (unlikely(test_bit(MAL_COMMAC_POLL_DISABLED, &mc->flags)))
- continue;
- n = mc->ops->poll_rx(mc->dev, budget);
- if (n) {
- received += n;
- budget -= n;
- if (budget <= 0)
- goto more_work; // XXX What if this is the last one ?
- }
- }
-
- /* We need to disable IRQs to protect from RXDE IRQ here */
- spin_lock_irqsave(&mal->lock, flags);
- __napi_complete(napi);
- mal_enable_eob_irq(mal);
- spin_unlock_irqrestore(&mal->lock, flags);
-
- /* Check for "rotting" packet(s) */
- list_for_each(l, &mal->poll_list) {
- struct mal_commac *mc =
- list_entry(l, struct mal_commac, poll_list);
- if (unlikely(test_bit(MAL_COMMAC_POLL_DISABLED, &mc->flags)))
- continue;
- if (unlikely(mc->ops->peek_rx(mc->dev) ||
- test_bit(MAL_COMMAC_RX_STOPPED, &mc->flags))) {
- MAL_DBG2(mal, "rotting packet" NL);
- if (napi_reschedule(napi))
- mal_disable_eob_irq(mal);
- else
- MAL_DBG2(mal, "already in poll list" NL);
-
- if (budget > 0)
- goto again;
- else
- goto more_work;
- }
- mc->ops->poll_tx(mc->dev);
- }
-
- more_work:
- MAL_DBG2(mal, "poll() %d <- %d" NL, budget, received);
- return received;
-}
-
-static void mal_reset(struct mal_instance *mal)
-{
- int n = 10;
-
- MAL_DBG(mal, "reset" NL);
-
- set_mal_dcrn(mal, MAL_CFG, MAL_CFG_SR);
-
- /* Wait for reset to complete (1 system clock) */
- while ((get_mal_dcrn(mal, MAL_CFG) & MAL_CFG_SR) && n)
- --n;
-
- if (unlikely(!n))
- printk(KERN_ERR "mal%d: reset timeout\n", mal->index);
-}
-
-int mal_get_regs_len(struct mal_instance *mal)
-{
- return sizeof(struct emac_ethtool_regs_subhdr) +
- sizeof(struct mal_regs);
-}
-
-void *mal_dump_regs(struct mal_instance *mal, void *buf)
-{
- struct emac_ethtool_regs_subhdr *hdr = buf;
- struct mal_regs *regs = (struct mal_regs *)(hdr + 1);
- int i;
-
- hdr->version = mal->version;
- hdr->index = mal->index;
-
- regs->tx_count = mal->num_tx_chans;
- regs->rx_count = mal->num_rx_chans;
-
- regs->cfg = get_mal_dcrn(mal, MAL_CFG);
- regs->esr = get_mal_dcrn(mal, MAL_ESR);
- regs->ier = get_mal_dcrn(mal, MAL_IER);
- regs->tx_casr = get_mal_dcrn(mal, MAL_TXCASR);
- regs->tx_carr = get_mal_dcrn(mal, MAL_TXCARR);
- regs->tx_eobisr = get_mal_dcrn(mal, MAL_TXEOBISR);
- regs->tx_deir = get_mal_dcrn(mal, MAL_TXDEIR);
- regs->rx_casr = get_mal_dcrn(mal, MAL_RXCASR);
- regs->rx_carr = get_mal_dcrn(mal, MAL_RXCARR);
- regs->rx_eobisr = get_mal_dcrn(mal, MAL_RXEOBISR);
- regs->rx_deir = get_mal_dcrn(mal, MAL_RXDEIR);
-
- for (i = 0; i < regs->tx_count; ++i)
- regs->tx_ctpr[i] = get_mal_dcrn(mal, MAL_TXCTPR(i));
-
- for (i = 0; i < regs->rx_count; ++i) {
- regs->rx_ctpr[i] = get_mal_dcrn(mal, MAL_RXCTPR(i));
- regs->rcbs[i] = get_mal_dcrn(mal, MAL_RCBS(i));
- }
- return regs + 1;
-}
-
-static int __devinit mal_probe(struct platform_device *ofdev)
-{
- struct mal_instance *mal;
- int err = 0, i, bd_size;
- int index = mal_count++;
- unsigned int dcr_base;
- const u32 *prop;
- u32 cfg;
- unsigned long irqflags;
- irq_handler_t hdlr_serr, hdlr_txde, hdlr_rxde;
-
- mal = kzalloc(sizeof(struct mal_instance), GFP_KERNEL);
- if (!mal) {
- printk(KERN_ERR
- "mal%d: out of memory allocating MAL structure!\n",
- index);
- return -ENOMEM;
- }
- mal->index = index;
- mal->ofdev = ofdev;
- mal->version = of_device_is_compatible(ofdev->dev.of_node, "ibm,mcmal2") ? 2 : 1;
-
- MAL_DBG(mal, "probe" NL);
-
- prop = of_get_property(ofdev->dev.of_node, "num-tx-chans", NULL);
- if (prop == NULL) {
- printk(KERN_ERR
- "mal%d: can't find MAL num-tx-chans property!\n",
- index);
- err = -ENODEV;
- goto fail;
- }
- mal->num_tx_chans = prop[0];
-
- prop = of_get_property(ofdev->dev.of_node, "num-rx-chans", NULL);
- if (prop == NULL) {
- printk(KERN_ERR
- "mal%d: can't find MAL num-rx-chans property!\n",
- index);
- err = -ENODEV;
- goto fail;
- }
- mal->num_rx_chans = prop[0];
-
- dcr_base = dcr_resource_start(ofdev->dev.of_node, 0);
- if (dcr_base == 0) {
- printk(KERN_ERR
- "mal%d: can't find DCR resource!\n", index);
- err = -ENODEV;
- goto fail;
- }
- mal->dcr_host = dcr_map(ofdev->dev.of_node, dcr_base, 0x100);
- if (!DCR_MAP_OK(mal->dcr_host)) {
- printk(KERN_ERR
- "mal%d: failed to map DCRs !\n", index);
- err = -ENODEV;
- goto fail;
- }
-
- if (of_device_is_compatible(ofdev->dev.of_node, "ibm,mcmal-405ez")) {
-#if defined(CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT) && \
- defined(CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR)
- mal->features |= (MAL_FTR_CLEAR_ICINTSTAT |
- MAL_FTR_COMMON_ERR_INT);
-#else
- printk(KERN_ERR "%s: Support for 405EZ not enabled!\n",
- ofdev->dev.of_node->full_name);
- err = -ENODEV;
- goto fail;
-#endif
- }
-
- mal->txeob_irq = irq_of_parse_and_map(ofdev->dev.of_node, 0);
- mal->rxeob_irq = irq_of_parse_and_map(ofdev->dev.of_node, 1);
- mal->serr_irq = irq_of_parse_and_map(ofdev->dev.of_node, 2);
-
- if (mal_has_feature(mal, MAL_FTR_COMMON_ERR_INT)) {
- mal->txde_irq = mal->rxde_irq = mal->serr_irq;
- } else {
- mal->txde_irq = irq_of_parse_and_map(ofdev->dev.of_node, 3);
- mal->rxde_irq = irq_of_parse_and_map(ofdev->dev.of_node, 4);
- }
-
- if (mal->txeob_irq == NO_IRQ || mal->rxeob_irq == NO_IRQ ||
- mal->serr_irq == NO_IRQ || mal->txde_irq == NO_IRQ ||
- mal->rxde_irq == NO_IRQ) {
- printk(KERN_ERR
- "mal%d: failed to map interrupts !\n", index);
- err = -ENODEV;
- goto fail_unmap;
- }
-
- INIT_LIST_HEAD(&mal->poll_list);
- INIT_LIST_HEAD(&mal->list);
- spin_lock_init(&mal->lock);
-
- init_dummy_netdev(&mal->dummy_dev);
-
- netif_napi_add(&mal->dummy_dev, &mal->napi, mal_poll,
- CONFIG_IBM_NEW_EMAC_POLL_WEIGHT);
-
- /* Load power-on reset defaults */
- mal_reset(mal);
-
- /* Set the MAL configuration register */
- cfg = (mal->version == 2) ? MAL2_CFG_DEFAULT : MAL1_CFG_DEFAULT;
- cfg |= MAL_CFG_PLBB | MAL_CFG_OPBBL | MAL_CFG_LEA;
-
- /* Current Axon is not happy with priority being non-0, it can
- * deadlock, fix it up here
- */
- if (of_device_is_compatible(ofdev->dev.of_node, "ibm,mcmal-axon"))
- cfg &= ~(MAL2_CFG_RPP_10 | MAL2_CFG_WPP_10);
-
- /* Apply configuration */
- set_mal_dcrn(mal, MAL_CFG, cfg);
-
- /* Allocate space for BD rings */
- BUG_ON(mal->num_tx_chans <= 0 || mal->num_tx_chans > 32);
- BUG_ON(mal->num_rx_chans <= 0 || mal->num_rx_chans > 32);
-
- bd_size = sizeof(struct mal_descriptor) *
- (NUM_TX_BUFF * mal->num_tx_chans +
- NUM_RX_BUFF * mal->num_rx_chans);
- mal->bd_virt =
- dma_alloc_coherent(&ofdev->dev, bd_size, &mal->bd_dma,
- GFP_KERNEL);
- if (mal->bd_virt == NULL) {
- printk(KERN_ERR
- "mal%d: out of memory allocating RX/TX descriptors!\n",
- index);
- err = -ENOMEM;
- goto fail_unmap;
- }
- memset(mal->bd_virt, 0, bd_size);
-
- for (i = 0; i < mal->num_tx_chans; ++i)
- set_mal_dcrn(mal, MAL_TXCTPR(i), mal->bd_dma +
- sizeof(struct mal_descriptor) *
- mal_tx_bd_offset(mal, i));
-
- for (i = 0; i < mal->num_rx_chans; ++i)
- set_mal_dcrn(mal, MAL_RXCTPR(i), mal->bd_dma +
- sizeof(struct mal_descriptor) *
- mal_rx_bd_offset(mal, i));
-
- if (mal_has_feature(mal, MAL_FTR_COMMON_ERR_INT)) {
- irqflags = IRQF_SHARED;
- hdlr_serr = hdlr_txde = hdlr_rxde = mal_int;
- } else {
- irqflags = 0;
- hdlr_serr = mal_serr;
- hdlr_txde = mal_txde;
- hdlr_rxde = mal_rxde;
- }
-
- err = request_irq(mal->serr_irq, hdlr_serr, irqflags, "MAL SERR", mal);
- if (err)
- goto fail2;
- err = request_irq(mal->txde_irq, hdlr_txde, irqflags, "MAL TX DE", mal);
- if (err)
- goto fail3;
- err = request_irq(mal->txeob_irq, mal_txeob, 0, "MAL TX EOB", mal);
- if (err)
- goto fail4;
- err = request_irq(mal->rxde_irq, hdlr_rxde, irqflags, "MAL RX DE", mal);
- if (err)
- goto fail5;
- err = request_irq(mal->rxeob_irq, mal_rxeob, 0, "MAL RX EOB", mal);
- if (err)
- goto fail6;
-
- /* Enable all MAL SERR interrupt sources */
- if (mal->version == 2)
- set_mal_dcrn(mal, MAL_IER, MAL2_IER_EVENTS);
- else
- set_mal_dcrn(mal, MAL_IER, MAL1_IER_EVENTS);
-
- /* Enable EOB interrupt */
- mal_enable_eob_irq(mal);
-
- printk(KERN_INFO
- "MAL v%d %s, %d TX channels, %d RX channels\n",
- mal->version, ofdev->dev.of_node->full_name,
- mal->num_tx_chans, mal->num_rx_chans);
-
- /* Advertise this instance to the rest of the world */
- wmb();
- dev_set_drvdata(&ofdev->dev, mal);
-
- mal_dbg_register(mal);
-
- return 0;
-
- fail6:
- free_irq(mal->rxde_irq, mal);
- fail5:
- free_irq(mal->txeob_irq, mal);
- fail4:
- free_irq(mal->txde_irq, mal);
- fail3:
- free_irq(mal->serr_irq, mal);
- fail2:
- dma_free_coherent(&ofdev->dev, bd_size, mal->bd_virt, mal->bd_dma);
- fail_unmap:
- dcr_unmap(mal->dcr_host, 0x100);
- fail:
- kfree(mal);
-
- return err;
-}
-
-static int __devexit mal_remove(struct platform_device *ofdev)
-{
- struct mal_instance *mal = dev_get_drvdata(&ofdev->dev);
-
- MAL_DBG(mal, "remove" NL);
-
- /* Synchronize with scheduled polling */
- napi_disable(&mal->napi);
-
- if (!list_empty(&mal->list)) {
- /* This is *very* bad */
- printk(KERN_EMERG
- "mal%d: commac list is not empty on remove!\n",
- mal->index);
- WARN_ON(1);
- }
-
- dev_set_drvdata(&ofdev->dev, NULL);
-
- free_irq(mal->serr_irq, mal);
- free_irq(mal->txde_irq, mal);
- free_irq(mal->txeob_irq, mal);
- free_irq(mal->rxde_irq, mal);
- free_irq(mal->rxeob_irq, mal);
-
- mal_reset(mal);
-
- mal_dbg_unregister(mal);
-
- dma_free_coherent(&ofdev->dev,
- sizeof(struct mal_descriptor) *
- (NUM_TX_BUFF * mal->num_tx_chans +
- NUM_RX_BUFF * mal->num_rx_chans), mal->bd_virt,
- mal->bd_dma);
- kfree(mal);
-
- return 0;
-}
-
-static struct of_device_id mal_platform_match[] =
-{
- {
- .compatible = "ibm,mcmal",
- },
- {
- .compatible = "ibm,mcmal2",
- },
- /* Backward compat */
- {
- .type = "mcmal-dma",
- .compatible = "ibm,mcmal",
- },
- {
- .type = "mcmal-dma",
- .compatible = "ibm,mcmal2",
- },
- {},
-};
-
-static struct platform_driver mal_of_driver = {
- .driver = {
- .name = "mcmal",
- .owner = THIS_MODULE,
- .of_match_table = mal_platform_match,
- },
- .probe = mal_probe,
- .remove = mal_remove,
-};
-
-int __init mal_init(void)
-{
- return platform_driver_register(&mal_of_driver);
-}
-
-void mal_exit(void)
-{
- platform_driver_unregister(&mal_of_driver);
-}
diff --git a/drivers/net/ibm_newemac/mal.h b/drivers/net/ibm_newemac/mal.h
deleted file mode 100644
index 66084214bf45..000000000000
--- a/drivers/net/ibm_newemac/mal.h
+++ /dev/null
@@ -1,316 +0,0 @@
-/*
- * drivers/net/ibm_newemac/mal.h
- *
- * Memory Access Layer (MAL) support
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Copyright (c) 2004, 2005 Zultys Technologies.
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- *
- * Based on original work by
- * Armin Kuster <akuster@mvista.com>
- * Copyright 2002 MontaVista Softare Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-#ifndef __IBM_NEWEMAC_MAL_H
-#define __IBM_NEWEMAC_MAL_H
-
-/*
- * There are some variations on the MAL, we express them in this driver as
- * MAL Version 1 and 2 though that doesn't match any IBM terminology.
- *
- * We call MAL 1 the version in 405GP, 405GPR, 405EP, 440EP, 440GR and
- * NP405H.
- *
- * We call MAL 2 the version in 440GP, 440GX, 440SP, 440SPE and Axon
- *
- * The driver expects a "version" property in the emac node containing
- * a number 1 or 2. New device-trees for EMAC capable platforms are thus
- * required to include that when porting to arch/powerpc.
- */
-
-/* MALx DCR registers */
-#define MAL_CFG 0x00
-#define MAL_CFG_SR 0x80000000
-#define MAL_CFG_PLBB 0x00004000
-#define MAL_CFG_OPBBL 0x00000080
-#define MAL_CFG_EOPIE 0x00000004
-#define MAL_CFG_LEA 0x00000002
-#define MAL_CFG_SD 0x00000001
-
-/* MAL V1 CFG bits */
-#define MAL1_CFG_PLBP_MASK 0x00c00000
-#define MAL1_CFG_PLBP_10 0x00800000
-#define MAL1_CFG_GA 0x00200000
-#define MAL1_CFG_OA 0x00100000
-#define MAL1_CFG_PLBLE 0x00080000
-#define MAL1_CFG_PLBT_MASK 0x00078000
-#define MAL1_CFG_DEFAULT (MAL1_CFG_PLBP_10 | MAL1_CFG_PLBT_MASK)
-
-/* MAL V2 CFG bits */
-#define MAL2_CFG_RPP_MASK 0x00c00000
-#define MAL2_CFG_RPP_10 0x00800000
-#define MAL2_CFG_RMBS_MASK 0x00300000
-#define MAL2_CFG_WPP_MASK 0x000c0000
-#define MAL2_CFG_WPP_10 0x00080000
-#define MAL2_CFG_WMBS_MASK 0x00030000
-#define MAL2_CFG_PLBLE 0x00008000
-#define MAL2_CFG_DEFAULT (MAL2_CFG_RMBS_MASK | MAL2_CFG_WMBS_MASK | \
- MAL2_CFG_RPP_10 | MAL2_CFG_WPP_10)
-
-#define MAL_ESR 0x01
-#define MAL_ESR_EVB 0x80000000
-#define MAL_ESR_CIDT 0x40000000
-#define MAL_ESR_CID_MASK 0x3e000000
-#define MAL_ESR_CID_SHIFT 25
-#define MAL_ESR_DE 0x00100000
-#define MAL_ESR_OTE 0x00040000
-#define MAL_ESR_OSE 0x00020000
-#define MAL_ESR_PEIN 0x00010000
-#define MAL_ESR_DEI 0x00000010
-#define MAL_ESR_OTEI 0x00000004
-#define MAL_ESR_OSEI 0x00000002
-#define MAL_ESR_PBEI 0x00000001
-
-/* MAL V1 ESR bits */
-#define MAL1_ESR_ONE 0x00080000
-#define MAL1_ESR_ONEI 0x00000008
-
-/* MAL V2 ESR bits */
-#define MAL2_ESR_PTE 0x00800000
-#define MAL2_ESR_PRE 0x00400000
-#define MAL2_ESR_PWE 0x00200000
-#define MAL2_ESR_PTEI 0x00000080
-#define MAL2_ESR_PREI 0x00000040
-#define MAL2_ESR_PWEI 0x00000020
-
-
-#define MAL_IER 0x02
-#define MAL_IER_DE 0x00000010
-#define MAL_IER_OTE 0x00000004
-#define MAL_IER_OE 0x00000002
-#define MAL_IER_PE 0x00000001
-/* MAL V1 IER bits */
-#define MAL1_IER_NWE 0x00000008
-#define MAL1_IER_SOC_EVENTS MAL1_IER_NWE
-#define MAL1_IER_EVENTS (MAL1_IER_SOC_EVENTS | MAL_IER_DE | \
- MAL_IER_OTE | MAL_IER_OE | MAL_IER_PE)
-
-/* MAL V2 IER bits */
-#define MAL2_IER_PT 0x00000080
-#define MAL2_IER_PRE 0x00000040
-#define MAL2_IER_PWE 0x00000020
-#define MAL2_IER_SOC_EVENTS (MAL2_IER_PT | MAL2_IER_PRE | MAL2_IER_PWE)
-#define MAL2_IER_EVENTS (MAL2_IER_SOC_EVENTS | MAL_IER_DE | \
- MAL_IER_OTE | MAL_IER_OE | MAL_IER_PE)
-
-
-#define MAL_TXCASR 0x04
-#define MAL_TXCARR 0x05
-#define MAL_TXEOBISR 0x06
-#define MAL_TXDEIR 0x07
-#define MAL_RXCASR 0x10
-#define MAL_RXCARR 0x11
-#define MAL_RXEOBISR 0x12
-#define MAL_RXDEIR 0x13
-#define MAL_TXCTPR(n) ((n) + 0x20)
-#define MAL_RXCTPR(n) ((n) + 0x40)
-#define MAL_RCBS(n) ((n) + 0x60)
-
-/* In reality MAL can handle TX buffers up to 4095 bytes long,
- * but this isn't a good round number :) --ebs
- */
-#define MAL_MAX_TX_SIZE 4080
-#define MAL_MAX_RX_SIZE 4080
-
-static inline int mal_rx_size(int len)
-{
- len = (len + 0xf) & ~0xf;
- return len > MAL_MAX_RX_SIZE ? MAL_MAX_RX_SIZE : len;
-}
-
-static inline int mal_tx_chunks(int len)
-{
- return (len + MAL_MAX_TX_SIZE - 1) / MAL_MAX_TX_SIZE;
-}
-
-#define MAL_CHAN_MASK(n) (0x80000000 >> (n))
-
-/* MAL Buffer Descriptor structure */
-struct mal_descriptor {
- u16 ctrl; /* MAL / Commac status control bits */
- u16 data_len; /* Max length is 4K-1 (12 bits) */
- u32 data_ptr; /* pointer to actual data buffer */
-};
-
-/* the following defines are for the MadMAL status and control registers. */
-/* MADMAL transmit and receive status/control bits */
-#define MAL_RX_CTRL_EMPTY 0x8000
-#define MAL_RX_CTRL_WRAP 0x4000
-#define MAL_RX_CTRL_CM 0x2000
-#define MAL_RX_CTRL_LAST 0x1000
-#define MAL_RX_CTRL_FIRST 0x0800
-#define MAL_RX_CTRL_INTR 0x0400
-#define MAL_RX_CTRL_SINGLE (MAL_RX_CTRL_LAST | MAL_RX_CTRL_FIRST)
-#define MAL_IS_SINGLE_RX(ctrl) (((ctrl) & MAL_RX_CTRL_SINGLE) == MAL_RX_CTRL_SINGLE)
-
-#define MAL_TX_CTRL_READY 0x8000
-#define MAL_TX_CTRL_WRAP 0x4000
-#define MAL_TX_CTRL_CM 0x2000
-#define MAL_TX_CTRL_LAST 0x1000
-#define MAL_TX_CTRL_INTR 0x0400
-
-struct mal_commac_ops {
- void (*poll_tx) (void *dev);
- int (*poll_rx) (void *dev, int budget);
- int (*peek_rx) (void *dev);
- void (*rxde) (void *dev);
-};
-
-struct mal_commac {
- struct mal_commac_ops *ops;
- void *dev;
- struct list_head poll_list;
- long flags;
-#define MAL_COMMAC_RX_STOPPED 0
-#define MAL_COMMAC_POLL_DISABLED 1
- u32 tx_chan_mask;
- u32 rx_chan_mask;
- struct list_head list;
-};
-
-struct mal_instance {
- int version;
- dcr_host_t dcr_host;
-
- int num_tx_chans; /* Number of TX channels */
- int num_rx_chans; /* Number of RX channels */
- int txeob_irq; /* TX End Of Buffer IRQ */
- int rxeob_irq; /* RX End Of Buffer IRQ */
- int txde_irq; /* TX Descriptor Error IRQ */
- int rxde_irq; /* RX Descriptor Error IRQ */
- int serr_irq; /* MAL System Error IRQ */
-
- struct list_head poll_list;
- struct napi_struct napi;
-
- struct list_head list;
- u32 tx_chan_mask;
- u32 rx_chan_mask;
-
- dma_addr_t bd_dma;
- struct mal_descriptor *bd_virt;
-
- struct platform_device *ofdev;
- int index;
- spinlock_t lock;
-
- struct net_device dummy_dev;
-
- unsigned int features;
-};
-
-static inline u32 get_mal_dcrn(struct mal_instance *mal, int reg)
-{
- return dcr_read(mal->dcr_host, reg);
-}
-
-static inline void set_mal_dcrn(struct mal_instance *mal, int reg, u32 val)
-{
- dcr_write(mal->dcr_host, reg, val);
-}
-
-/* Features of various MAL implementations */
-
-/* Set if you have interrupt coalescing and you have to clear the SDR
- * register for TXEOB and RXEOB interrupts to work
- */
-#define MAL_FTR_CLEAR_ICINTSTAT 0x00000001
-
-/* Set if your MAL has SERR, TXDE, and RXDE OR'd into a single UIC
- * interrupt
- */
-#define MAL_FTR_COMMON_ERR_INT 0x00000002
-
-enum {
- MAL_FTRS_ALWAYS = 0,
-
- MAL_FTRS_POSSIBLE =
-#ifdef CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT
- MAL_FTR_CLEAR_ICINTSTAT |
-#endif
-#ifdef CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR
- MAL_FTR_COMMON_ERR_INT |
-#endif
- 0,
-};
-
-static inline int mal_has_feature(struct mal_instance *dev,
- unsigned long feature)
-{
- return (MAL_FTRS_ALWAYS & feature) ||
- (MAL_FTRS_POSSIBLE & dev->features & feature);
-}
-
-/* Register MAL devices */
-int mal_init(void);
-void mal_exit(void);
-
-int mal_register_commac(struct mal_instance *mal,
- struct mal_commac *commac);
-void mal_unregister_commac(struct mal_instance *mal,
- struct mal_commac *commac);
-int mal_set_rcbs(struct mal_instance *mal, int channel, unsigned long size);
-
-/* Returns BD ring offset for a particular channel
- (in 'struct mal_descriptor' elements)
-*/
-int mal_tx_bd_offset(struct mal_instance *mal, int channel);
-int mal_rx_bd_offset(struct mal_instance *mal, int channel);
-
-void mal_enable_tx_channel(struct mal_instance *mal, int channel);
-void mal_disable_tx_channel(struct mal_instance *mal, int channel);
-void mal_enable_rx_channel(struct mal_instance *mal, int channel);
-void mal_disable_rx_channel(struct mal_instance *mal, int channel);
-
-void mal_poll_disable(struct mal_instance *mal, struct mal_commac *commac);
-void mal_poll_enable(struct mal_instance *mal, struct mal_commac *commac);
-
-/* Add/remove EMAC to/from MAL polling list */
-void mal_poll_add(struct mal_instance *mal, struct mal_commac *commac);
-void mal_poll_del(struct mal_instance *mal, struct mal_commac *commac);
-
-/* Ethtool MAL registers */
-struct mal_regs {
- u32 tx_count;
- u32 rx_count;
-
- u32 cfg;
- u32 esr;
- u32 ier;
- u32 tx_casr;
- u32 tx_carr;
- u32 tx_eobisr;
- u32 tx_deir;
- u32 rx_casr;
- u32 rx_carr;
- u32 rx_eobisr;
- u32 rx_deir;
- u32 tx_ctpr[32];
- u32 rx_ctpr[32];
- u32 rcbs[32];
-};
-
-int mal_get_regs_len(struct mal_instance *mal);
-void *mal_dump_regs(struct mal_instance *mal, void *buf);
-
-#endif /* __IBM_NEWEMAC_MAL_H */
diff --git a/drivers/net/ibm_newemac/phy.c b/drivers/net/ibm_newemac/phy.c
deleted file mode 100644
index ab4e5969fe65..000000000000
--- a/drivers/net/ibm_newemac/phy.c
+++ /dev/null
@@ -1,541 +0,0 @@
-/*
- * drivers/net/ibm_newemac/phy.c
- *
- * Driver for PowerPC 4xx on-chip ethernet controller, PHY support.
- * Borrowed from sungem_phy.c, though I only kept the generic MII
- * driver for now.
- *
- * This file should be shared with other drivers or eventually
- * merged as the "low level" part of miilib
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * (c) 2003, Benjamin Herrenscmidt (benh@kernel.crashing.org)
- * (c) 2004-2005, Eugene Surovegin <ebs@ebshome.net>
- *
- */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/netdevice.h>
-#include <linux/mii.h>
-#include <linux/ethtool.h>
-#include <linux/delay.h>
-
-#include "emac.h"
-#include "phy.h"
-
-#define phy_read _phy_read
-#define phy_write _phy_write
-
-static inline int _phy_read(struct mii_phy *phy, int reg)
-{
- return phy->mdio_read(phy->dev, phy->address, reg);
-}
-
-static inline void _phy_write(struct mii_phy *phy, int reg, int val)
-{
- phy->mdio_write(phy->dev, phy->address, reg, val);
-}
-
-static inline int gpcs_phy_read(struct mii_phy *phy, int reg)
-{
- return phy->mdio_read(phy->dev, phy->gpcs_address, reg);
-}
-
-static inline void gpcs_phy_write(struct mii_phy *phy, int reg, int val)
-{
- phy->mdio_write(phy->dev, phy->gpcs_address, reg, val);
-}
-
-int emac_mii_reset_phy(struct mii_phy *phy)
-{
- int val;
- int limit = 10000;
-
- val = phy_read(phy, MII_BMCR);
- val &= ~(BMCR_ISOLATE | BMCR_ANENABLE);
- val |= BMCR_RESET;
- phy_write(phy, MII_BMCR, val);
-
- udelay(300);
-
- while (--limit) {
- val = phy_read(phy, MII_BMCR);
- if (val >= 0 && (val & BMCR_RESET) == 0)
- break;
- udelay(10);
- }
- if ((val & BMCR_ISOLATE) && limit > 0)
- phy_write(phy, MII_BMCR, val & ~BMCR_ISOLATE);
-
- return limit <= 0;
-}
-
-int emac_mii_reset_gpcs(struct mii_phy *phy)
-{
- int val;
- int limit = 10000;
-
- val = gpcs_phy_read(phy, MII_BMCR);
- val &= ~(BMCR_ISOLATE | BMCR_ANENABLE);
- val |= BMCR_RESET;
- gpcs_phy_write(phy, MII_BMCR, val);
-
- udelay(300);
-
- while (--limit) {
- val = gpcs_phy_read(phy, MII_BMCR);
- if (val >= 0 && (val & BMCR_RESET) == 0)
- break;
- udelay(10);
- }
- if ((val & BMCR_ISOLATE) && limit > 0)
- gpcs_phy_write(phy, MII_BMCR, val & ~BMCR_ISOLATE);
-
- if (limit > 0 && phy->mode == PHY_MODE_SGMII) {
- /* Configure GPCS interface to recommended setting for SGMII */
- gpcs_phy_write(phy, 0x04, 0x8120); /* AsymPause, FDX */
- gpcs_phy_write(phy, 0x07, 0x2801); /* msg_pg, toggle */
- gpcs_phy_write(phy, 0x00, 0x0140); /* 1Gbps, FDX */
- }
-
- return limit <= 0;
-}
-
-static int genmii_setup_aneg(struct mii_phy *phy, u32 advertise)
-{
- int ctl, adv;
-
- phy->autoneg = AUTONEG_ENABLE;
- phy->speed = SPEED_10;
- phy->duplex = DUPLEX_HALF;
- phy->pause = phy->asym_pause = 0;
- phy->advertising = advertise;
-
- ctl = phy_read(phy, MII_BMCR);
- if (ctl < 0)
- return ctl;
- ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_SPEED1000 | BMCR_ANENABLE);
-
- /* First clear the PHY */
- phy_write(phy, MII_BMCR, ctl);
-
- /* Setup standard advertise */
- adv = phy_read(phy, MII_ADVERTISE);
- if (adv < 0)
- return adv;
- adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4 | ADVERTISE_PAUSE_CAP |
- ADVERTISE_PAUSE_ASYM);
- if (advertise & ADVERTISED_10baseT_Half)
- adv |= ADVERTISE_10HALF;
- if (advertise & ADVERTISED_10baseT_Full)
- adv |= ADVERTISE_10FULL;
- if (advertise & ADVERTISED_100baseT_Half)
- adv |= ADVERTISE_100HALF;
- if (advertise & ADVERTISED_100baseT_Full)
- adv |= ADVERTISE_100FULL;
- if (advertise & ADVERTISED_Pause)
- adv |= ADVERTISE_PAUSE_CAP;
- if (advertise & ADVERTISED_Asym_Pause)
- adv |= ADVERTISE_PAUSE_ASYM;
- phy_write(phy, MII_ADVERTISE, adv);
-
- if (phy->features &
- (SUPPORTED_1000baseT_Full | SUPPORTED_1000baseT_Half)) {
- adv = phy_read(phy, MII_CTRL1000);
- if (adv < 0)
- return adv;
- adv &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
- if (advertise & ADVERTISED_1000baseT_Full)
- adv |= ADVERTISE_1000FULL;
- if (advertise & ADVERTISED_1000baseT_Half)
- adv |= ADVERTISE_1000HALF;
- phy_write(phy, MII_CTRL1000, adv);
- }
-
- /* Start/Restart aneg */
- ctl = phy_read(phy, MII_BMCR);
- ctl |= (BMCR_ANENABLE | BMCR_ANRESTART);
- phy_write(phy, MII_BMCR, ctl);
-
- return 0;
-}
-
-static int genmii_setup_forced(struct mii_phy *phy, int speed, int fd)
-{
- int ctl;
-
- phy->autoneg = AUTONEG_DISABLE;
- phy->speed = speed;
- phy->duplex = fd;
- phy->pause = phy->asym_pause = 0;
-
- ctl = phy_read(phy, MII_BMCR);
- if (ctl < 0)
- return ctl;
- ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_SPEED1000 | BMCR_ANENABLE);
-
- /* First clear the PHY */
- phy_write(phy, MII_BMCR, ctl | BMCR_RESET);
-
- /* Select speed & duplex */
- switch (speed) {
- case SPEED_10:
- break;
- case SPEED_100:
- ctl |= BMCR_SPEED100;
- break;
- case SPEED_1000:
- ctl |= BMCR_SPEED1000;
- break;
- default:
- return -EINVAL;
- }
- if (fd == DUPLEX_FULL)
- ctl |= BMCR_FULLDPLX;
- phy_write(phy, MII_BMCR, ctl);
-
- return 0;
-}
-
-static int genmii_poll_link(struct mii_phy *phy)
-{
- int status;
-
- /* Clear latched value with dummy read */
- phy_read(phy, MII_BMSR);
- status = phy_read(phy, MII_BMSR);
- if (status < 0 || (status & BMSR_LSTATUS) == 0)
- return 0;
- if (phy->autoneg == AUTONEG_ENABLE && !(status & BMSR_ANEGCOMPLETE))
- return 0;
- return 1;
-}
-
-static int genmii_read_link(struct mii_phy *phy)
-{
- if (phy->autoneg == AUTONEG_ENABLE) {
- int glpa = 0;
- int lpa = phy_read(phy, MII_LPA) & phy_read(phy, MII_ADVERTISE);
- if (lpa < 0)
- return lpa;
-
- if (phy->features &
- (SUPPORTED_1000baseT_Full | SUPPORTED_1000baseT_Half)) {
- int adv = phy_read(phy, MII_CTRL1000);
- glpa = phy_read(phy, MII_STAT1000);
-
- if (glpa < 0 || adv < 0)
- return adv;
-
- glpa &= adv << 2;
- }
-
- phy->speed = SPEED_10;
- phy->duplex = DUPLEX_HALF;
- phy->pause = phy->asym_pause = 0;
-
- if (glpa & (LPA_1000FULL | LPA_1000HALF)) {
- phy->speed = SPEED_1000;
- if (glpa & LPA_1000FULL)
- phy->duplex = DUPLEX_FULL;
- } else if (lpa & (LPA_100FULL | LPA_100HALF)) {
- phy->speed = SPEED_100;
- if (lpa & LPA_100FULL)
- phy->duplex = DUPLEX_FULL;
- } else if (lpa & LPA_10FULL)
- phy->duplex = DUPLEX_FULL;
-
- if (phy->duplex == DUPLEX_FULL) {
- phy->pause = lpa & LPA_PAUSE_CAP ? 1 : 0;
- phy->asym_pause = lpa & LPA_PAUSE_ASYM ? 1 : 0;
- }
- } else {
- int bmcr = phy_read(phy, MII_BMCR);
- if (bmcr < 0)
- return bmcr;
-
- if (bmcr & BMCR_FULLDPLX)
- phy->duplex = DUPLEX_FULL;
- else
- phy->duplex = DUPLEX_HALF;
- if (bmcr & BMCR_SPEED1000)
- phy->speed = SPEED_1000;
- else if (bmcr & BMCR_SPEED100)
- phy->speed = SPEED_100;
- else
- phy->speed = SPEED_10;
-
- phy->pause = phy->asym_pause = 0;
- }
- return 0;
-}
-
-/* Generic implementation for most 10/100/1000 PHYs */
-static struct mii_phy_ops generic_phy_ops = {
- .setup_aneg = genmii_setup_aneg,
- .setup_forced = genmii_setup_forced,
- .poll_link = genmii_poll_link,
- .read_link = genmii_read_link
-};
-
-static struct mii_phy_def genmii_phy_def = {
- .phy_id = 0x00000000,
- .phy_id_mask = 0x00000000,
- .name = "Generic MII",
- .ops = &generic_phy_ops
-};
-
-/* CIS8201 */
-#define MII_CIS8201_10BTCSR 0x16
-#define TENBTCSR_ECHO_DISABLE 0x2000
-#define MII_CIS8201_EPCR 0x17
-#define EPCR_MODE_MASK 0x3000
-#define EPCR_GMII_MODE 0x0000
-#define EPCR_RGMII_MODE 0x1000
-#define EPCR_TBI_MODE 0x2000
-#define EPCR_RTBI_MODE 0x3000
-#define MII_CIS8201_ACSR 0x1c
-#define ACSR_PIN_PRIO_SELECT 0x0004
-
-static int cis8201_init(struct mii_phy *phy)
-{
- int epcr;
-
- epcr = phy_read(phy, MII_CIS8201_EPCR);
- if (epcr < 0)
- return epcr;
-
- epcr &= ~EPCR_MODE_MASK;
-
- switch (phy->mode) {
- case PHY_MODE_TBI:
- epcr |= EPCR_TBI_MODE;
- break;
- case PHY_MODE_RTBI:
- epcr |= EPCR_RTBI_MODE;
- break;
- case PHY_MODE_GMII:
- epcr |= EPCR_GMII_MODE;
- break;
- case PHY_MODE_RGMII:
- default:
- epcr |= EPCR_RGMII_MODE;
- }
-
- phy_write(phy, MII_CIS8201_EPCR, epcr);
-
- /* MII regs override strap pins */
- phy_write(phy, MII_CIS8201_ACSR,
- phy_read(phy, MII_CIS8201_ACSR) | ACSR_PIN_PRIO_SELECT);
-
- /* Disable TX_EN -> CRS echo mode, otherwise 10/HDX doesn't work */
- phy_write(phy, MII_CIS8201_10BTCSR,
- phy_read(phy, MII_CIS8201_10BTCSR) | TENBTCSR_ECHO_DISABLE);
-
- return 0;
-}
-
-static struct mii_phy_ops cis8201_phy_ops = {
- .init = cis8201_init,
- .setup_aneg = genmii_setup_aneg,
- .setup_forced = genmii_setup_forced,
- .poll_link = genmii_poll_link,
- .read_link = genmii_read_link
-};
-
-static struct mii_phy_def cis8201_phy_def = {
- .phy_id = 0x000fc410,
- .phy_id_mask = 0x000ffff0,
- .name = "CIS8201 Gigabit Ethernet",
- .ops = &cis8201_phy_ops
-};
-
-static struct mii_phy_def bcm5248_phy_def = {
-
- .phy_id = 0x0143bc00,
- .phy_id_mask = 0x0ffffff0,
- .name = "BCM5248 10/100 SMII Ethernet",
- .ops = &generic_phy_ops
-};
-
-static int m88e1111_init(struct mii_phy *phy)
-{
- pr_debug("%s: Marvell 88E1111 Ethernet\n", __func__);
- phy_write(phy, 0x14, 0x0ce3);
- phy_write(phy, 0x18, 0x4101);
- phy_write(phy, 0x09, 0x0e00);
- phy_write(phy, 0x04, 0x01e1);
- phy_write(phy, 0x00, 0x9140);
- phy_write(phy, 0x00, 0x1140);
-
- return 0;
-}
-
-static int m88e1112_init(struct mii_phy *phy)
-{
- /*
- * Marvell 88E1112 PHY needs to have the SGMII MAC
- * interace (page 2) properly configured to
- * communicate with the 460EX/GT GPCS interface.
- */
-
- u16 reg_short;
-
- pr_debug("%s: Marvell 88E1112 Ethernet\n", __func__);
-
- /* Set access to Page 2 */
- phy_write(phy, 0x16, 0x0002);
-
- phy_write(phy, 0x00, 0x0040); /* 1Gbps */
- reg_short = (u16)(phy_read(phy, 0x1a));
- reg_short |= 0x8000; /* bypass Auto-Negotiation */
- phy_write(phy, 0x1a, reg_short);
- emac_mii_reset_phy(phy); /* reset MAC interface */
-
- /* Reset access to Page 0 */
- phy_write(phy, 0x16, 0x0000);
-
- return 0;
-}
-
-static int et1011c_init(struct mii_phy *phy)
-{
- u16 reg_short;
-
- reg_short = (u16)(phy_read(phy, 0x16));
- reg_short &= ~(0x7);
- reg_short |= 0x6; /* RGMII Trace Delay*/
- phy_write(phy, 0x16, reg_short);
-
- reg_short = (u16)(phy_read(phy, 0x17));
- reg_short &= ~(0x40);
- phy_write(phy, 0x17, reg_short);
-
- phy_write(phy, 0x1c, 0x74f0);
- return 0;
-}
-
-static struct mii_phy_ops et1011c_phy_ops = {
- .init = et1011c_init,
- .setup_aneg = genmii_setup_aneg,
- .setup_forced = genmii_setup_forced,
- .poll_link = genmii_poll_link,
- .read_link = genmii_read_link
-};
-
-static struct mii_phy_def et1011c_phy_def = {
- .phy_id = 0x0282f000,
- .phy_id_mask = 0x0fffff00,
- .name = "ET1011C Gigabit Ethernet",
- .ops = &et1011c_phy_ops
-};
-
-
-
-
-
-static struct mii_phy_ops m88e1111_phy_ops = {
- .init = m88e1111_init,
- .setup_aneg = genmii_setup_aneg,
- .setup_forced = genmii_setup_forced,
- .poll_link = genmii_poll_link,
- .read_link = genmii_read_link
-};
-
-static struct mii_phy_def m88e1111_phy_def = {
-
- .phy_id = 0x01410CC0,
- .phy_id_mask = 0x0ffffff0,
- .name = "Marvell 88E1111 Ethernet",
- .ops = &m88e1111_phy_ops,
-};
-
-static struct mii_phy_ops m88e1112_phy_ops = {
- .init = m88e1112_init,
- .setup_aneg = genmii_setup_aneg,
- .setup_forced = genmii_setup_forced,
- .poll_link = genmii_poll_link,
- .read_link = genmii_read_link
-};
-
-static struct mii_phy_def m88e1112_phy_def = {
- .phy_id = 0x01410C90,
- .phy_id_mask = 0x0ffffff0,
- .name = "Marvell 88E1112 Ethernet",
- .ops = &m88e1112_phy_ops,
-};
-
-static struct mii_phy_def *mii_phy_table[] = {
- &et1011c_phy_def,
- &cis8201_phy_def,
- &bcm5248_phy_def,
- &m88e1111_phy_def,
- &m88e1112_phy_def,
- &genmii_phy_def,
- NULL
-};
-
-int emac_mii_phy_probe(struct mii_phy *phy, int address)
-{
- struct mii_phy_def *def;
- int i;
- u32 id;
-
- phy->autoneg = AUTONEG_DISABLE;
- phy->advertising = 0;
- phy->address = address;
- phy->speed = SPEED_10;
- phy->duplex = DUPLEX_HALF;
- phy->pause = phy->asym_pause = 0;
-
- /* Take PHY out of isolate mode and reset it. */
- if (emac_mii_reset_phy(phy))
- return -ENODEV;
-
- /* Read ID and find matching entry */
- id = (phy_read(phy, MII_PHYSID1) << 16) | phy_read(phy, MII_PHYSID2);
- for (i = 0; (def = mii_phy_table[i]) != NULL; i++)
- if ((id & def->phy_id_mask) == def->phy_id)
- break;
- /* Should never be NULL (we have a generic entry), but... */
- if (!def)
- return -ENODEV;
-
- phy->def = def;
-
- /* Determine PHY features if needed */
- phy->features = def->features;
- if (!phy->features) {
- u16 bmsr = phy_read(phy, MII_BMSR);
- if (bmsr & BMSR_ANEGCAPABLE)
- phy->features |= SUPPORTED_Autoneg;
- if (bmsr & BMSR_10HALF)
- phy->features |= SUPPORTED_10baseT_Half;
- if (bmsr & BMSR_10FULL)
- phy->features |= SUPPORTED_10baseT_Full;
- if (bmsr & BMSR_100HALF)
- phy->features |= SUPPORTED_100baseT_Half;
- if (bmsr & BMSR_100FULL)
- phy->features |= SUPPORTED_100baseT_Full;
- if (bmsr & BMSR_ESTATEN) {
- u16 esr = phy_read(phy, MII_ESTATUS);
- if (esr & ESTATUS_1000_TFULL)
- phy->features |= SUPPORTED_1000baseT_Full;
- if (esr & ESTATUS_1000_THALF)
- phy->features |= SUPPORTED_1000baseT_Half;
- }
- phy->features |= SUPPORTED_MII;
- }
-
- /* Setup default advertising */
- phy->advertising = phy->features;
-
- return 0;
-}
-
-MODULE_LICENSE("GPL");
diff --git a/drivers/net/ibm_newemac/phy.h b/drivers/net/ibm_newemac/phy.h
deleted file mode 100644
index 5d2bf4cbe50b..000000000000
--- a/drivers/net/ibm_newemac/phy.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * drivers/net/ibm_newemac/phy.h
- *
- * Driver for PowerPC 4xx on-chip ethernet controller, PHY support
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Benjamin Herrenschmidt <benh@kernel.crashing.org>
- * February 2003
- *
- * Minor additions by Eugene Surovegin <ebs@ebshome.net>, 2004
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This file basically duplicates sungem_phy.{c,h} with different PHYs
- * supported. I'm looking into merging that in a single mii layer more
- * flexible than mii.c
- */
-
-#ifndef __IBM_NEWEMAC_PHY_H
-#define __IBM_NEWEMAC_PHY_H
-
-struct mii_phy;
-
-/* Operations supported by any kind of PHY */
-struct mii_phy_ops {
- int (*init) (struct mii_phy * phy);
- int (*suspend) (struct mii_phy * phy, int wol_options);
- int (*setup_aneg) (struct mii_phy * phy, u32 advertise);
- int (*setup_forced) (struct mii_phy * phy, int speed, int fd);
- int (*poll_link) (struct mii_phy * phy);
- int (*read_link) (struct mii_phy * phy);
-};
-
-/* Structure used to statically define an mii/gii based PHY */
-struct mii_phy_def {
- u32 phy_id; /* Concatenated ID1 << 16 | ID2 */
- u32 phy_id_mask; /* Significant bits */
- u32 features; /* Ethtool SUPPORTED_* defines or
- 0 for autodetect */
- int magic_aneg; /* Autoneg does all speed test for us */
- const char *name;
- const struct mii_phy_ops *ops;
-};
-
-/* An instance of a PHY, partially borrowed from mii_if_info */
-struct mii_phy {
- struct mii_phy_def *def;
- u32 advertising; /* Ethtool ADVERTISED_* defines */
- u32 features; /* Copied from mii_phy_def.features
- or determined automaticaly */
- int address; /* PHY address */
- int mode; /* PHY mode */
- int gpcs_address; /* GPCS PHY address */
-
- /* 1: autoneg enabled, 0: disabled */
- int autoneg;
-
- /* forced speed & duplex (no autoneg)
- * partner speed & duplex & pause (autoneg)
- */
- int speed;
- int duplex;
- int pause;
- int asym_pause;
-
- /* Provided by host chip */
- struct net_device *dev;
- int (*mdio_read) (struct net_device * dev, int addr, int reg);
- void (*mdio_write) (struct net_device * dev, int addr, int reg,
- int val);
-};
-
-/* Pass in a struct mii_phy with dev, mdio_read and mdio_write
- * filled, the remaining fields will be filled on return
- */
-int emac_mii_phy_probe(struct mii_phy *phy, int address);
-int emac_mii_reset_phy(struct mii_phy *phy);
-int emac_mii_reset_gpcs(struct mii_phy *phy);
-
-#endif /* __IBM_NEWEMAC_PHY_H */
diff --git a/drivers/net/ibm_newemac/rgmii.c b/drivers/net/ibm_newemac/rgmii.c
deleted file mode 100644
index 4fa53f3def64..000000000000
--- a/drivers/net/ibm_newemac/rgmii.c
+++ /dev/null
@@ -1,338 +0,0 @@
-/*
- * drivers/net/ibm_newemac/rgmii.c
- *
- * Driver for PowerPC 4xx on-chip ethernet controller, RGMII bridge support.
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Copyright (c) 2004, 2005 Zultys Technologies.
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- *
- * Based on original work by
- * Matt Porter <mporter@kernel.crashing.org>
- * Copyright 2004 MontaVista Software, Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-#include <linux/slab.h>
-#include <linux/kernel.h>
-#include <linux/ethtool.h>
-#include <asm/io.h>
-
-#include "emac.h"
-#include "debug.h"
-
-// XXX FIXME: Axon seems to support a subset of the RGMII, we
-// thus need to take that into account and possibly change some
-// of the bit settings below that don't seem to quite match the
-// AXON spec
-
-/* RGMIIx_FER */
-#define RGMII_FER_MASK(idx) (0x7 << ((idx) * 4))
-#define RGMII_FER_RTBI(idx) (0x4 << ((idx) * 4))
-#define RGMII_FER_RGMII(idx) (0x5 << ((idx) * 4))
-#define RGMII_FER_TBI(idx) (0x6 << ((idx) * 4))
-#define RGMII_FER_GMII(idx) (0x7 << ((idx) * 4))
-#define RGMII_FER_MII(idx) RGMII_FER_GMII(idx)
-
-/* RGMIIx_SSR */
-#define RGMII_SSR_MASK(idx) (0x7 << ((idx) * 8))
-#define RGMII_SSR_100(idx) (0x2 << ((idx) * 8))
-#define RGMII_SSR_1000(idx) (0x4 << ((idx) * 8))
-
-/* RGMII bridge supports only GMII/TBI and RGMII/RTBI PHYs */
-static inline int rgmii_valid_mode(int phy_mode)
-{
- return phy_mode == PHY_MODE_GMII ||
- phy_mode == PHY_MODE_MII ||
- phy_mode == PHY_MODE_RGMII ||
- phy_mode == PHY_MODE_TBI ||
- phy_mode == PHY_MODE_RTBI;
-}
-
-static inline const char *rgmii_mode_name(int mode)
-{
- switch (mode) {
- case PHY_MODE_RGMII:
- return "RGMII";
- case PHY_MODE_TBI:
- return "TBI";
- case PHY_MODE_GMII:
- return "GMII";
- case PHY_MODE_MII:
- return "MII";
- case PHY_MODE_RTBI:
- return "RTBI";
- default:
- BUG();
- }
-}
-
-static inline u32 rgmii_mode_mask(int mode, int input)
-{
- switch (mode) {
- case PHY_MODE_RGMII:
- return RGMII_FER_RGMII(input);
- case PHY_MODE_TBI:
- return RGMII_FER_TBI(input);
- case PHY_MODE_GMII:
- return RGMII_FER_GMII(input);
- case PHY_MODE_MII:
- return RGMII_FER_MII(input);
- case PHY_MODE_RTBI:
- return RGMII_FER_RTBI(input);
- default:
- BUG();
- }
-}
-
-int __devinit rgmii_attach(struct platform_device *ofdev, int input, int mode)
-{
- struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev);
- struct rgmii_regs __iomem *p = dev->base;
-
- RGMII_DBG(dev, "attach(%d)" NL, input);
-
- /* Check if we need to attach to a RGMII */
- if (input < 0 || !rgmii_valid_mode(mode)) {
- printk(KERN_ERR "%s: unsupported settings !\n",
- ofdev->dev.of_node->full_name);
- return -ENODEV;
- }
-
- mutex_lock(&dev->lock);
-
- /* Enable this input */
- out_be32(&p->fer, in_be32(&p->fer) | rgmii_mode_mask(mode, input));
-
- printk(KERN_NOTICE "%s: input %d in %s mode\n",
- ofdev->dev.of_node->full_name, input, rgmii_mode_name(mode));
-
- ++dev->users;
-
- mutex_unlock(&dev->lock);
-
- return 0;
-}
-
-void rgmii_set_speed(struct platform_device *ofdev, int input, int speed)
-{
- struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev);
- struct rgmii_regs __iomem *p = dev->base;
- u32 ssr;
-
- mutex_lock(&dev->lock);
-
- ssr = in_be32(&p->ssr) & ~RGMII_SSR_MASK(input);
-
- RGMII_DBG(dev, "speed(%d, %d)" NL, input, speed);
-
- if (speed == SPEED_1000)
- ssr |= RGMII_SSR_1000(input);
- else if (speed == SPEED_100)
- ssr |= RGMII_SSR_100(input);
-
- out_be32(&p->ssr, ssr);
-
- mutex_unlock(&dev->lock);
-}
-
-void rgmii_get_mdio(struct platform_device *ofdev, int input)
-{
- struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev);
- struct rgmii_regs __iomem *p = dev->base;
- u32 fer;
-
- RGMII_DBG2(dev, "get_mdio(%d)" NL, input);
-
- if (!(dev->flags & EMAC_RGMII_FLAG_HAS_MDIO))
- return;
-
- mutex_lock(&dev->lock);
-
- fer = in_be32(&p->fer);
- fer |= 0x00080000u >> input;
- out_be32(&p->fer, fer);
- (void)in_be32(&p->fer);
-
- DBG2(dev, " fer = 0x%08x\n", fer);
-}
-
-void rgmii_put_mdio(struct platform_device *ofdev, int input)
-{
- struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev);
- struct rgmii_regs __iomem *p = dev->base;
- u32 fer;
-
- RGMII_DBG2(dev, "put_mdio(%d)" NL, input);
-
- if (!(dev->flags & EMAC_RGMII_FLAG_HAS_MDIO))
- return;
-
- fer = in_be32(&p->fer);
- fer &= ~(0x00080000u >> input);
- out_be32(&p->fer, fer);
- (void)in_be32(&p->fer);
-
- DBG2(dev, " fer = 0x%08x\n", fer);
-
- mutex_unlock(&dev->lock);
-}
-
-void rgmii_detach(struct platform_device *ofdev, int input)
-{
- struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev);
- struct rgmii_regs __iomem *p;
-
- BUG_ON(!dev || dev->users == 0);
- p = dev->base;
-
- mutex_lock(&dev->lock);
-
- RGMII_DBG(dev, "detach(%d)" NL, input);
-
- /* Disable this input */
- out_be32(&p->fer, in_be32(&p->fer) & ~RGMII_FER_MASK(input));
-
- --dev->users;
-
- mutex_unlock(&dev->lock);
-}
-
-int rgmii_get_regs_len(struct platform_device *ofdev)
-{
- return sizeof(struct emac_ethtool_regs_subhdr) +
- sizeof(struct rgmii_regs);
-}
-
-void *rgmii_dump_regs(struct platform_device *ofdev, void *buf)
-{
- struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev);
- struct emac_ethtool_regs_subhdr *hdr = buf;
- struct rgmii_regs *regs = (struct rgmii_regs *)(hdr + 1);
-
- hdr->version = 0;
- hdr->index = 0; /* for now, are there chips with more than one
- * rgmii ? if yes, then we'll add a cell_index
- * like we do for emac
- */
- memcpy_fromio(regs, dev->base, sizeof(struct rgmii_regs));
- return regs + 1;
-}
-
-
-static int __devinit rgmii_probe(struct platform_device *ofdev)
-{
- struct device_node *np = ofdev->dev.of_node;
- struct rgmii_instance *dev;
- struct resource regs;
- int rc;
-
- rc = -ENOMEM;
- dev = kzalloc(sizeof(struct rgmii_instance), GFP_KERNEL);
- if (dev == NULL) {
- printk(KERN_ERR "%s: could not allocate RGMII device!\n",
- np->full_name);
- goto err_gone;
- }
-
- mutex_init(&dev->lock);
- dev->ofdev = ofdev;
-
- rc = -ENXIO;
- if (of_address_to_resource(np, 0, &regs)) {
- printk(KERN_ERR "%s: Can't get registers address\n",
- np->full_name);
- goto err_free;
- }
-
- rc = -ENOMEM;
- dev->base = (struct rgmii_regs __iomem *)ioremap(regs.start,
- sizeof(struct rgmii_regs));
- if (dev->base == NULL) {
- printk(KERN_ERR "%s: Can't map device registers!\n",
- np->full_name);
- goto err_free;
- }
-
- /* Check for RGMII flags */
- if (of_get_property(ofdev->dev.of_node, "has-mdio", NULL))
- dev->flags |= EMAC_RGMII_FLAG_HAS_MDIO;
-
- /* CAB lacks the right properties, fix this up */
- if (of_device_is_compatible(ofdev->dev.of_node, "ibm,rgmii-axon"))
- dev->flags |= EMAC_RGMII_FLAG_HAS_MDIO;
-
- DBG2(dev, " Boot FER = 0x%08x, SSR = 0x%08x\n",
- in_be32(&dev->base->fer), in_be32(&dev->base->ssr));
-
- /* Disable all inputs by default */
- out_be32(&dev->base->fer, 0);
-
- printk(KERN_INFO
- "RGMII %s initialized with%s MDIO support\n",
- ofdev->dev.of_node->full_name,
- (dev->flags & EMAC_RGMII_FLAG_HAS_MDIO) ? "" : "out");
-
- wmb();
- dev_set_drvdata(&ofdev->dev, dev);
-
- return 0;
-
- err_free:
- kfree(dev);
- err_gone:
- return rc;
-}
-
-static int __devexit rgmii_remove(struct platform_device *ofdev)
-{
- struct rgmii_instance *dev = dev_get_drvdata(&ofdev->dev);
-
- dev_set_drvdata(&ofdev->dev, NULL);
-
- WARN_ON(dev->users != 0);
-
- iounmap(dev->base);
- kfree(dev);
-
- return 0;
-}
-
-static struct of_device_id rgmii_match[] =
-{
- {
- .compatible = "ibm,rgmii",
- },
- {
- .type = "emac-rgmii",
- },
- {},
-};
-
-static struct platform_driver rgmii_driver = {
- .driver = {
- .name = "emac-rgmii",
- .owner = THIS_MODULE,
- .of_match_table = rgmii_match,
- },
- .probe = rgmii_probe,
- .remove = rgmii_remove,
-};
-
-int __init rgmii_init(void)
-{
- return platform_driver_register(&rgmii_driver);
-}
-
-void rgmii_exit(void)
-{
- platform_driver_unregister(&rgmii_driver);
-}
diff --git a/drivers/net/ibm_newemac/rgmii.h b/drivers/net/ibm_newemac/rgmii.h
deleted file mode 100644
index d69799049865..000000000000
--- a/drivers/net/ibm_newemac/rgmii.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * drivers/net/ibm_newemac/rgmii.h
- *
- * Driver for PowerPC 4xx on-chip ethernet controller, RGMII bridge support.
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Based on ocp_zmii.h/ibm_emac_zmii.h
- * Armin Kuster akuster@mvista.com
- *
- * Copyright 2004 MontaVista Software, Inc.
- * Matt Porter <mporter@kernel.crashing.org>
- *
- * Copyright (c) 2004, 2005 Zultys Technologies.
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#ifndef __IBM_NEWEMAC_RGMII_H
-#define __IBM_NEWEMAC_RGMII_H
-
-/* RGMII bridge type */
-#define RGMII_STANDARD 0
-#define RGMII_AXON 1
-
-/* RGMII bridge */
-struct rgmii_regs {
- u32 fer; /* Function enable register */
- u32 ssr; /* Speed select register */
-};
-
-/* RGMII device */
-struct rgmii_instance {
- struct rgmii_regs __iomem *base;
-
- /* RGMII bridge flags */
- int flags;
-#define EMAC_RGMII_FLAG_HAS_MDIO 0x00000001
-
- /* Only one EMAC whacks us at a time */
- struct mutex lock;
-
- /* number of EMACs using this RGMII bridge */
- int users;
-
- /* OF device instance */
- struct platform_device *ofdev;
-};
-
-#ifdef CONFIG_IBM_NEW_EMAC_RGMII
-
-extern int rgmii_init(void);
-extern void rgmii_exit(void);
-extern int rgmii_attach(struct platform_device *ofdev, int input, int mode);
-extern void rgmii_detach(struct platform_device *ofdev, int input);
-extern void rgmii_get_mdio(struct platform_device *ofdev, int input);
-extern void rgmii_put_mdio(struct platform_device *ofdev, int input);
-extern void rgmii_set_speed(struct platform_device *ofdev, int input, int speed);
-extern int rgmii_get_regs_len(struct platform_device *ofdev);
-extern void *rgmii_dump_regs(struct platform_device *ofdev, void *buf);
-
-#else
-
-# define rgmii_init() 0
-# define rgmii_exit() do { } while(0)
-# define rgmii_attach(x,y,z) (-ENXIO)
-# define rgmii_detach(x,y) do { } while(0)
-# define rgmii_get_mdio(o,i) do { } while (0)
-# define rgmii_put_mdio(o,i) do { } while (0)
-# define rgmii_set_speed(x,y,z) do { } while(0)
-# define rgmii_get_regs_len(x) 0
-# define rgmii_dump_regs(x,buf) (buf)
-#endif /* !CONFIG_IBM_NEW_EMAC_RGMII */
-
-#endif /* __IBM_NEWEMAC_RGMII_H */
diff --git a/drivers/net/ibm_newemac/tah.c b/drivers/net/ibm_newemac/tah.c
deleted file mode 100644
index 5f51bf7c9dc5..000000000000
--- a/drivers/net/ibm_newemac/tah.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
- * drivers/net/ibm_newemac/tah.c
- *
- * Driver for PowerPC 4xx on-chip ethernet controller, TAH support.
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Copyright 2004 MontaVista Software, Inc.
- * Matt Porter <mporter@kernel.crashing.org>
- *
- * Copyright (c) 2005 Eugene Surovegin <ebs@ebshome.net>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-#include <asm/io.h>
-
-#include "emac.h"
-#include "core.h"
-
-int __devinit tah_attach(struct platform_device *ofdev, int channel)
-{
- struct tah_instance *dev = dev_get_drvdata(&ofdev->dev);
-
- mutex_lock(&dev->lock);
- /* Reset has been done at probe() time... nothing else to do for now */
- ++dev->users;
- mutex_unlock(&dev->lock);
-
- return 0;
-}
-
-void tah_detach(struct platform_device *ofdev, int channel)
-{
- struct tah_instance *dev = dev_get_drvdata(&ofdev->dev);
-
- mutex_lock(&dev->lock);
- --dev->users;
- mutex_unlock(&dev->lock);
-}
-
-void tah_reset(struct platform_device *ofdev)
-{
- struct tah_instance *dev = dev_get_drvdata(&ofdev->dev);
- struct tah_regs __iomem *p = dev->base;
- int n;
-
- /* Reset TAH */
- out_be32(&p->mr, TAH_MR_SR);
- n = 100;
- while ((in_be32(&p->mr) & TAH_MR_SR) && n)
- --n;
-
- if (unlikely(!n))
- printk(KERN_ERR "%s: reset timeout\n",
- ofdev->dev.of_node->full_name);
-
- /* 10KB TAH TX FIFO accommodates the max MTU of 9000 */
- out_be32(&p->mr,
- TAH_MR_CVR | TAH_MR_ST_768 | TAH_MR_TFS_10KB | TAH_MR_DTFP |
- TAH_MR_DIG);
-}
-
-int tah_get_regs_len(struct platform_device *ofdev)
-{
- return sizeof(struct emac_ethtool_regs_subhdr) +
- sizeof(struct tah_regs);
-}
-
-void *tah_dump_regs(struct platform_device *ofdev, void *buf)
-{
- struct tah_instance *dev = dev_get_drvdata(&ofdev->dev);
- struct emac_ethtool_regs_subhdr *hdr = buf;
- struct tah_regs *regs = (struct tah_regs *)(hdr + 1);
-
- hdr->version = 0;
- hdr->index = 0; /* for now, are there chips with more than one
- * zmii ? if yes, then we'll add a cell_index
- * like we do for emac
- */
- memcpy_fromio(regs, dev->base, sizeof(struct tah_regs));
- return regs + 1;
-}
-
-static int __devinit tah_probe(struct platform_device *ofdev)
-{
- struct device_node *np = ofdev->dev.of_node;
- struct tah_instance *dev;
- struct resource regs;
- int rc;
-
- rc = -ENOMEM;
- dev = kzalloc(sizeof(struct tah_instance), GFP_KERNEL);
- if (dev == NULL) {
- printk(KERN_ERR "%s: could not allocate TAH device!\n",
- np->full_name);
- goto err_gone;
- }
-
- mutex_init(&dev->lock);
- dev->ofdev = ofdev;
-
- rc = -ENXIO;
- if (of_address_to_resource(np, 0, &regs)) {
- printk(KERN_ERR "%s: Can't get registers address\n",
- np->full_name);
- goto err_free;
- }
-
- rc = -ENOMEM;
- dev->base = (struct tah_regs __iomem *)ioremap(regs.start,
- sizeof(struct tah_regs));
- if (dev->base == NULL) {
- printk(KERN_ERR "%s: Can't map device registers!\n",
- np->full_name);
- goto err_free;
- }
-
- dev_set_drvdata(&ofdev->dev, dev);
-
- /* Initialize TAH and enable IPv4 checksum verification, no TSO yet */
- tah_reset(ofdev);
-
- printk(KERN_INFO
- "TAH %s initialized\n", ofdev->dev.of_node->full_name);
- wmb();
-
- return 0;
-
- err_free:
- kfree(dev);
- err_gone:
- return rc;
-}
-
-static int __devexit tah_remove(struct platform_device *ofdev)
-{
- struct tah_instance *dev = dev_get_drvdata(&ofdev->dev);
-
- dev_set_drvdata(&ofdev->dev, NULL);
-
- WARN_ON(dev->users != 0);
-
- iounmap(dev->base);
- kfree(dev);
-
- return 0;
-}
-
-static struct of_device_id tah_match[] =
-{
- {
- .compatible = "ibm,tah",
- },
- /* For backward compat with old DT */
- {
- .type = "tah",
- },
- {},
-};
-
-static struct platform_driver tah_driver = {
- .driver = {
- .name = "emac-tah",
- .owner = THIS_MODULE,
- .of_match_table = tah_match,
- },
- .probe = tah_probe,
- .remove = tah_remove,
-};
-
-int __init tah_init(void)
-{
- return platform_driver_register(&tah_driver);
-}
-
-void tah_exit(void)
-{
- platform_driver_unregister(&tah_driver);
-}
diff --git a/drivers/net/ibm_newemac/tah.h b/drivers/net/ibm_newemac/tah.h
deleted file mode 100644
index 61dbeca006d1..000000000000
--- a/drivers/net/ibm_newemac/tah.h
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * drivers/net/ibm_newemac/tah.h
- *
- * Driver for PowerPC 4xx on-chip ethernet controller, TAH support.
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Copyright 2004 MontaVista Software, Inc.
- * Matt Porter <mporter@kernel.crashing.org>
- *
- * Copyright (c) 2005 Eugene Surovegin <ebs@ebshome.net>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#ifndef __IBM_NEWEMAC_TAH_H
-#define __IBM_NEWEMAC_TAH_H
-
-/* TAH */
-struct tah_regs {
- u32 revid;
- u32 pad[3];
- u32 mr;
- u32 ssr0;
- u32 ssr1;
- u32 ssr2;
- u32 ssr3;
- u32 ssr4;
- u32 ssr5;
- u32 tsr;
-};
-
-
-/* TAH device */
-struct tah_instance {
- struct tah_regs __iomem *base;
-
- /* Only one EMAC whacks us at a time */
- struct mutex lock;
-
- /* number of EMACs using this TAH */
- int users;
-
- /* OF device instance */
- struct platform_device *ofdev;
-};
-
-
-/* TAH engine */
-#define TAH_MR_CVR 0x80000000
-#define TAH_MR_SR 0x40000000
-#define TAH_MR_ST_256 0x01000000
-#define TAH_MR_ST_512 0x02000000
-#define TAH_MR_ST_768 0x03000000
-#define TAH_MR_ST_1024 0x04000000
-#define TAH_MR_ST_1280 0x05000000
-#define TAH_MR_ST_1536 0x06000000
-#define TAH_MR_TFS_16KB 0x00000000
-#define TAH_MR_TFS_2KB 0x00200000
-#define TAH_MR_TFS_4KB 0x00400000
-#define TAH_MR_TFS_6KB 0x00600000
-#define TAH_MR_TFS_8KB 0x00800000
-#define TAH_MR_TFS_10KB 0x00a00000
-#define TAH_MR_DTFP 0x00100000
-#define TAH_MR_DIG 0x00080000
-
-#ifdef CONFIG_IBM_NEW_EMAC_TAH
-
-extern int tah_init(void);
-extern void tah_exit(void);
-extern int tah_attach(struct platform_device *ofdev, int channel);
-extern void tah_detach(struct platform_device *ofdev, int channel);
-extern void tah_reset(struct platform_device *ofdev);
-extern int tah_get_regs_len(struct platform_device *ofdev);
-extern void *tah_dump_regs(struct platform_device *ofdev, void *buf);
-
-#else
-
-# define tah_init() 0
-# define tah_exit() do { } while(0)
-# define tah_attach(x,y) (-ENXIO)
-# define tah_detach(x,y) do { } while(0)
-# define tah_reset(x) do { } while(0)
-# define tah_get_regs_len(x) 0
-# define tah_dump_regs(x,buf) (buf)
-
-#endif /* !CONFIG_IBM_NEW_EMAC_TAH */
-
-#endif /* __IBM_NEWEMAC_TAH_H */
diff --git a/drivers/net/ibm_newemac/zmii.c b/drivers/net/ibm_newemac/zmii.c
deleted file mode 100644
index 97449e786d61..000000000000
--- a/drivers/net/ibm_newemac/zmii.c
+++ /dev/null
@@ -1,332 +0,0 @@
-/*
- * drivers/net/ibm_newemac/zmii.c
- *
- * Driver for PowerPC 4xx on-chip ethernet controller, ZMII bridge support.
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Copyright (c) 2004, 2005 Zultys Technologies.
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- *
- * Based on original work by
- * Armin Kuster <akuster@mvista.com>
- * Copyright 2001 MontaVista Softare Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-#include <linux/slab.h>
-#include <linux/kernel.h>
-#include <linux/ethtool.h>
-#include <asm/io.h>
-
-#include "emac.h"
-#include "core.h"
-
-/* ZMIIx_FER */
-#define ZMII_FER_MDI(idx) (0x80000000 >> ((idx) * 4))
-#define ZMII_FER_MDI_ALL (ZMII_FER_MDI(0) | ZMII_FER_MDI(1) | \
- ZMII_FER_MDI(2) | ZMII_FER_MDI(3))
-
-#define ZMII_FER_SMII(idx) (0x40000000 >> ((idx) * 4))
-#define ZMII_FER_RMII(idx) (0x20000000 >> ((idx) * 4))
-#define ZMII_FER_MII(idx) (0x10000000 >> ((idx) * 4))
-
-/* ZMIIx_SSR */
-#define ZMII_SSR_SCI(idx) (0x40000000 >> ((idx) * 4))
-#define ZMII_SSR_FSS(idx) (0x20000000 >> ((idx) * 4))
-#define ZMII_SSR_SP(idx) (0x10000000 >> ((idx) * 4))
-
-/* ZMII only supports MII, RMII and SMII
- * we also support autodetection for backward compatibility
- */
-static inline int zmii_valid_mode(int mode)
-{
- return mode == PHY_MODE_MII ||
- mode == PHY_MODE_RMII ||
- mode == PHY_MODE_SMII ||
- mode == PHY_MODE_NA;
-}
-
-static inline const char *zmii_mode_name(int mode)
-{
- switch (mode) {
- case PHY_MODE_MII:
- return "MII";
- case PHY_MODE_RMII:
- return "RMII";
- case PHY_MODE_SMII:
- return "SMII";
- default:
- BUG();
- }
-}
-
-static inline u32 zmii_mode_mask(int mode, int input)
-{
- switch (mode) {
- case PHY_MODE_MII:
- return ZMII_FER_MII(input);
- case PHY_MODE_RMII:
- return ZMII_FER_RMII(input);
- case PHY_MODE_SMII:
- return ZMII_FER_SMII(input);
- default:
- return 0;
- }
-}
-
-int __devinit zmii_attach(struct platform_device *ofdev, int input, int *mode)
-{
- struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev);
- struct zmii_regs __iomem *p = dev->base;
-
- ZMII_DBG(dev, "init(%d, %d)" NL, input, *mode);
-
- if (!zmii_valid_mode(*mode)) {
- /* Probably an EMAC connected to RGMII,
- * but it still may need ZMII for MDIO so
- * we don't fail here.
- */
- dev->users++;
- return 0;
- }
-
- mutex_lock(&dev->lock);
-
- /* Autodetect ZMII mode if not specified.
- * This is only for backward compatibility with the old driver.
- * Please, always specify PHY mode in your board port to avoid
- * any surprises.
- */
- if (dev->mode == PHY_MODE_NA) {
- if (*mode == PHY_MODE_NA) {
- u32 r = dev->fer_save;
-
- ZMII_DBG(dev, "autodetecting mode, FER = 0x%08x" NL, r);
-
- if (r & (ZMII_FER_MII(0) | ZMII_FER_MII(1)))
- dev->mode = PHY_MODE_MII;
- else if (r & (ZMII_FER_RMII(0) | ZMII_FER_RMII(1)))
- dev->mode = PHY_MODE_RMII;
- else
- dev->mode = PHY_MODE_SMII;
- } else
- dev->mode = *mode;
-
- printk(KERN_NOTICE "%s: bridge in %s mode\n",
- ofdev->dev.of_node->full_name,
- zmii_mode_name(dev->mode));
- } else {
- /* All inputs must use the same mode */
- if (*mode != PHY_MODE_NA && *mode != dev->mode) {
- printk(KERN_ERR
- "%s: invalid mode %d specified for input %d\n",
- ofdev->dev.of_node->full_name, *mode, input);
- mutex_unlock(&dev->lock);
- return -EINVAL;
- }
- }
-
- /* Report back correct PHY mode,
- * it may be used during PHY initialization.
- */
- *mode = dev->mode;
-
- /* Enable this input */
- out_be32(&p->fer, in_be32(&p->fer) | zmii_mode_mask(dev->mode, input));
- ++dev->users;
-
- mutex_unlock(&dev->lock);
-
- return 0;
-}
-
-void zmii_get_mdio(struct platform_device *ofdev, int input)
-{
- struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev);
- u32 fer;
-
- ZMII_DBG2(dev, "get_mdio(%d)" NL, input);
-
- mutex_lock(&dev->lock);
-
- fer = in_be32(&dev->base->fer) & ~ZMII_FER_MDI_ALL;
- out_be32(&dev->base->fer, fer | ZMII_FER_MDI(input));
-}
-
-void zmii_put_mdio(struct platform_device *ofdev, int input)
-{
- struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev);
-
- ZMII_DBG2(dev, "put_mdio(%d)" NL, input);
- mutex_unlock(&dev->lock);
-}
-
-
-void zmii_set_speed(struct platform_device *ofdev, int input, int speed)
-{
- struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev);
- u32 ssr;
-
- mutex_lock(&dev->lock);
-
- ssr = in_be32(&dev->base->ssr);
-
- ZMII_DBG(dev, "speed(%d, %d)" NL, input, speed);
-
- if (speed == SPEED_100)
- ssr |= ZMII_SSR_SP(input);
- else
- ssr &= ~ZMII_SSR_SP(input);
-
- out_be32(&dev->base->ssr, ssr);
-
- mutex_unlock(&dev->lock);
-}
-
-void zmii_detach(struct platform_device *ofdev, int input)
-{
- struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev);
-
- BUG_ON(!dev || dev->users == 0);
-
- mutex_lock(&dev->lock);
-
- ZMII_DBG(dev, "detach(%d)" NL, input);
-
- /* Disable this input */
- out_be32(&dev->base->fer,
- in_be32(&dev->base->fer) & ~zmii_mode_mask(dev->mode, input));
-
- --dev->users;
-
- mutex_unlock(&dev->lock);
-}
-
-int zmii_get_regs_len(struct platform_device *ofdev)
-{
- return sizeof(struct emac_ethtool_regs_subhdr) +
- sizeof(struct zmii_regs);
-}
-
-void *zmii_dump_regs(struct platform_device *ofdev, void *buf)
-{
- struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev);
- struct emac_ethtool_regs_subhdr *hdr = buf;
- struct zmii_regs *regs = (struct zmii_regs *)(hdr + 1);
-
- hdr->version = 0;
- hdr->index = 0; /* for now, are there chips with more than one
- * zmii ? if yes, then we'll add a cell_index
- * like we do for emac
- */
- memcpy_fromio(regs, dev->base, sizeof(struct zmii_regs));
- return regs + 1;
-}
-
-static int __devinit zmii_probe(struct platform_device *ofdev)
-{
- struct device_node *np = ofdev->dev.of_node;
- struct zmii_instance *dev;
- struct resource regs;
- int rc;
-
- rc = -ENOMEM;
- dev = kzalloc(sizeof(struct zmii_instance), GFP_KERNEL);
- if (dev == NULL) {
- printk(KERN_ERR "%s: could not allocate ZMII device!\n",
- np->full_name);
- goto err_gone;
- }
-
- mutex_init(&dev->lock);
- dev->ofdev = ofdev;
- dev->mode = PHY_MODE_NA;
-
- rc = -ENXIO;
- if (of_address_to_resource(np, 0, &regs)) {
- printk(KERN_ERR "%s: Can't get registers address\n",
- np->full_name);
- goto err_free;
- }
-
- rc = -ENOMEM;
- dev->base = (struct zmii_regs __iomem *)ioremap(regs.start,
- sizeof(struct zmii_regs));
- if (dev->base == NULL) {
- printk(KERN_ERR "%s: Can't map device registers!\n",
- np->full_name);
- goto err_free;
- }
-
- /* We may need FER value for autodetection later */
- dev->fer_save = in_be32(&dev->base->fer);
-
- /* Disable all inputs by default */
- out_be32(&dev->base->fer, 0);
-
- printk(KERN_INFO
- "ZMII %s initialized\n", ofdev->dev.of_node->full_name);
- wmb();
- dev_set_drvdata(&ofdev->dev, dev);
-
- return 0;
-
- err_free:
- kfree(dev);
- err_gone:
- return rc;
-}
-
-static int __devexit zmii_remove(struct platform_device *ofdev)
-{
- struct zmii_instance *dev = dev_get_drvdata(&ofdev->dev);
-
- dev_set_drvdata(&ofdev->dev, NULL);
-
- WARN_ON(dev->users != 0);
-
- iounmap(dev->base);
- kfree(dev);
-
- return 0;
-}
-
-static struct of_device_id zmii_match[] =
-{
- {
- .compatible = "ibm,zmii",
- },
- /* For backward compat with old DT */
- {
- .type = "emac-zmii",
- },
- {},
-};
-
-static struct platform_driver zmii_driver = {
- .driver = {
- .name = "emac-zmii",
- .owner = THIS_MODULE,
- .of_match_table = zmii_match,
- },
- .probe = zmii_probe,
- .remove = zmii_remove,
-};
-
-int __init zmii_init(void)
-{
- return platform_driver_register(&zmii_driver);
-}
-
-void zmii_exit(void)
-{
- platform_driver_unregister(&zmii_driver);
-}
diff --git a/drivers/net/ibm_newemac/zmii.h b/drivers/net/ibm_newemac/zmii.h
deleted file mode 100644
index 1333fa2b2781..000000000000
--- a/drivers/net/ibm_newemac/zmii.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * drivers/net/ibm_newemac/zmii.h
- *
- * Driver for PowerPC 4xx on-chip ethernet controller, ZMII bridge support.
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Copyright (c) 2004, 2005 Zultys Technologies.
- * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- *
- * Based on original work by
- * Armin Kuster <akuster@mvista.com>
- * Copyright 2001 MontaVista Softare Inc.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- */
-#ifndef __IBM_NEWEMAC_ZMII_H
-#define __IBM_NEWEMAC_ZMII_H
-
-/* ZMII bridge registers */
-struct zmii_regs {
- u32 fer; /* Function enable reg */
- u32 ssr; /* Speed select reg */
- u32 smiirs; /* SMII status reg */
-};
-
-/* ZMII device */
-struct zmii_instance {
- struct zmii_regs __iomem *base;
-
- /* Only one EMAC whacks us at a time */
- struct mutex lock;
-
- /* subset of PHY_MODE_XXXX */
- int mode;
-
- /* number of EMACs using this ZMII bridge */
- int users;
-
- /* FER value left by firmware */
- u32 fer_save;
-
- /* OF device instance */
- struct platform_device *ofdev;
-};
-
-#ifdef CONFIG_IBM_NEW_EMAC_ZMII
-
-extern int zmii_init(void);
-extern void zmii_exit(void);
-extern int zmii_attach(struct platform_device *ofdev, int input, int *mode);
-extern void zmii_detach(struct platform_device *ofdev, int input);
-extern void zmii_get_mdio(struct platform_device *ofdev, int input);
-extern void zmii_put_mdio(struct platform_device *ofdev, int input);
-extern void zmii_set_speed(struct platform_device *ofdev, int input, int speed);
-extern int zmii_get_regs_len(struct platform_device *ocpdev);
-extern void *zmii_dump_regs(struct platform_device *ofdev, void *buf);
-
-#else
-# define zmii_init() 0
-# define zmii_exit() do { } while(0)
-# define zmii_attach(x,y,z) (-ENXIO)
-# define zmii_detach(x,y) do { } while(0)
-# define zmii_get_mdio(x,y) do { } while(0)
-# define zmii_put_mdio(x,y) do { } while(0)
-# define zmii_set_speed(x,y,z) do { } while(0)
-# define zmii_get_regs_len(x) 0
-# define zmii_dump_regs(x,buf) (buf)
-#endif /* !CONFIG_IBM_NEW_EMAC_ZMII */
-
-#endif /* __IBM_NEWEMAC_ZMII_H */