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path: root/drivers/net/ethernet/broadcom/bgmac.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/bgmac.c')
-rw-r--r--drivers/net/ethernet/broadcom/bgmac.c808
1 files changed, 294 insertions, 514 deletions
diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index 25bbae5928d4..c4751ece76f6 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -6,51 +6,27 @@
* Licensed under the GNU/GPL. See COPYING for details.
*/
-#include "bgmac.h"
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/delay.h>
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/bcma/bcma.h>
#include <linux/etherdevice.h>
-#include <linux/mii.h>
-#include <linux/phy.h>
-#include <linux/phy_fixed.h>
-#include <linux/interrupt.h>
-#include <linux/dma-mapping.h>
#include <linux/bcm47xx_nvram.h>
+#include "bgmac.h"
-static const struct bcma_device_id bgmac_bcma_tbl[] = {
- BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_4706_MAC_GBIT, BCMA_ANY_REV, BCMA_ANY_CLASS),
- BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_MAC_GBIT, BCMA_ANY_REV, BCMA_ANY_CLASS),
- {},
-};
-MODULE_DEVICE_TABLE(bcma, bgmac_bcma_tbl);
-
-static inline bool bgmac_is_bcm4707_family(struct bgmac *bgmac)
-{
- switch (bgmac->core->bus->chipinfo.id) {
- case BCMA_CHIP_ID_BCM4707:
- case BCMA_CHIP_ID_BCM47094:
- case BCMA_CHIP_ID_BCM53018:
- return true;
- default:
- return false;
- }
-}
-
-static bool bgmac_wait_value(struct bcma_device *core, u16 reg, u32 mask,
+static bool bgmac_wait_value(struct bgmac *bgmac, u16 reg, u32 mask,
u32 value, int timeout)
{
u32 val;
int i;
for (i = 0; i < timeout / 10; i++) {
- val = bcma_read32(core, reg);
+ val = bgmac_read(bgmac, reg);
if ((val & mask) == value)
return true;
udelay(10);
}
- pr_err("Timeout waiting for reg 0x%X\n", reg);
+ dev_err(bgmac->dev, "Timeout waiting for reg 0x%X\n", reg);
return false;
}
@@ -84,22 +60,22 @@ static void bgmac_dma_tx_reset(struct bgmac *bgmac, struct bgmac_dma_ring *ring)
udelay(10);
}
if (i)
- bgmac_err(bgmac, "Timeout suspending DMA TX ring 0x%X (BGMAC_DMA_TX_STAT: 0x%08X)\n",
- ring->mmio_base, val);
+ dev_err(bgmac->dev, "Timeout suspending DMA TX ring 0x%X (BGMAC_DMA_TX_STAT: 0x%08X)\n",
+ ring->mmio_base, val);
/* Remove SUSPEND bit */
bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_TX_CTL, 0);
- if (!bgmac_wait_value(bgmac->core,
+ if (!bgmac_wait_value(bgmac,
ring->mmio_base + BGMAC_DMA_TX_STATUS,
BGMAC_DMA_TX_STAT, BGMAC_DMA_TX_STAT_DISABLED,
10000)) {
- bgmac_warn(bgmac, "DMA TX ring 0x%X wasn't disabled on time, waiting additional 300us\n",
- ring->mmio_base);
+ dev_warn(bgmac->dev, "DMA TX ring 0x%X wasn't disabled on time, waiting additional 300us\n",
+ ring->mmio_base);
udelay(300);
val = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_TX_STATUS);
if ((val & BGMAC_DMA_TX_STAT) != BGMAC_DMA_TX_STAT_DISABLED)
- bgmac_err(bgmac, "Reset of DMA TX ring 0x%X failed\n",
- ring->mmio_base);
+ dev_err(bgmac->dev, "Reset of DMA TX ring 0x%X failed\n",
+ ring->mmio_base);
}
}
@@ -109,7 +85,7 @@ static void bgmac_dma_tx_enable(struct bgmac *bgmac,
u32 ctl;
ctl = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_TX_CTL);
- if (bgmac->core->id.rev >= 4) {
+ if (bgmac->feature_flags & BGMAC_FEAT_TX_MASK_SETUP) {
ctl &= ~BGMAC_DMA_TX_BL_MASK;
ctl |= BGMAC_DMA_TX_BL_128 << BGMAC_DMA_TX_BL_SHIFT;
@@ -152,7 +128,7 @@ static netdev_tx_t bgmac_dma_tx_add(struct bgmac *bgmac,
struct bgmac_dma_ring *ring,
struct sk_buff *skb)
{
- struct device *dma_dev = bgmac->core->dma_dev;
+ struct device *dma_dev = bgmac->dma_dev;
struct net_device *net_dev = bgmac->net_dev;
int index = ring->end % BGMAC_TX_RING_SLOTS;
struct bgmac_slot_info *slot = &ring->slots[index];
@@ -161,7 +137,7 @@ static netdev_tx_t bgmac_dma_tx_add(struct bgmac *bgmac,
int i;
if (skb->len > BGMAC_DESC_CTL1_LEN) {
- bgmac_err(bgmac, "Too long skb (%d)\n", skb->len);
+ netdev_err(bgmac->net_dev, "Too long skb (%d)\n", skb->len);
goto err_drop;
}
@@ -174,7 +150,7 @@ static netdev_tx_t bgmac_dma_tx_add(struct bgmac *bgmac,
* even when ring->end overflows
*/
if (ring->end - ring->start + nr_frags + 1 >= BGMAC_TX_RING_SLOTS) {
- bgmac_err(bgmac, "TX ring is full, queue should be stopped!\n");
+ netdev_err(bgmac->net_dev, "TX ring is full, queue should be stopped!\n");
netif_stop_queue(net_dev);
return NETDEV_TX_BUSY;
}
@@ -241,18 +217,20 @@ err_dma:
}
err_dma_head:
- bgmac_err(bgmac, "Mapping error of skb on ring 0x%X\n",
- ring->mmio_base);
+ netdev_err(bgmac->net_dev, "Mapping error of skb on ring 0x%X\n",
+ ring->mmio_base);
err_drop:
dev_kfree_skb(skb);
+ net_dev->stats.tx_dropped++;
+ net_dev->stats.tx_errors++;
return NETDEV_TX_OK;
}
/* Free transmitted packets */
static void bgmac_dma_tx_free(struct bgmac *bgmac, struct bgmac_dma_ring *ring)
{
- struct device *dma_dev = bgmac->core->dma_dev;
+ struct device *dma_dev = bgmac->dma_dev;
int empty_slot;
bool freed = false;
unsigned bytes_compl = 0, pkts_compl = 0;
@@ -285,6 +263,8 @@ static void bgmac_dma_tx_free(struct bgmac *bgmac, struct bgmac_dma_ring *ring)
DMA_TO_DEVICE);
if (slot->skb) {
+ bgmac->net_dev->stats.tx_bytes += slot->skb->len;
+ bgmac->net_dev->stats.tx_packets++;
bytes_compl += slot->skb->len;
pkts_compl++;
@@ -313,12 +293,12 @@ static void bgmac_dma_rx_reset(struct bgmac *bgmac, struct bgmac_dma_ring *ring)
return;
bgmac_write(bgmac, ring->mmio_base + BGMAC_DMA_RX_CTL, 0);
- if (!bgmac_wait_value(bgmac->core,
+ if (!bgmac_wait_value(bgmac,
ring->mmio_base + BGMAC_DMA_RX_STATUS,
BGMAC_DMA_RX_STAT, BGMAC_DMA_RX_STAT_DISABLED,
10000))
- bgmac_err(bgmac, "Reset of ring 0x%X RX failed\n",
- ring->mmio_base);
+ dev_err(bgmac->dev, "Reset of ring 0x%X RX failed\n",
+ ring->mmio_base);
}
static void bgmac_dma_rx_enable(struct bgmac *bgmac,
@@ -327,7 +307,7 @@ static void bgmac_dma_rx_enable(struct bgmac *bgmac,
u32 ctl;
ctl = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_CTL);
- if (bgmac->core->id.rev >= 4) {
+ if (bgmac->feature_flags & BGMAC_FEAT_RX_MASK_SETUP) {
ctl &= ~BGMAC_DMA_RX_BL_MASK;
ctl |= BGMAC_DMA_RX_BL_128 << BGMAC_DMA_RX_BL_SHIFT;
@@ -348,7 +328,7 @@ static void bgmac_dma_rx_enable(struct bgmac *bgmac,
static int bgmac_dma_rx_skb_for_slot(struct bgmac *bgmac,
struct bgmac_slot_info *slot)
{
- struct device *dma_dev = bgmac->core->dma_dev;
+ struct device *dma_dev = bgmac->dma_dev;
dma_addr_t dma_addr;
struct bgmac_rx_header *rx;
void *buf;
@@ -367,7 +347,7 @@ static int bgmac_dma_rx_skb_for_slot(struct bgmac *bgmac,
dma_addr = dma_map_single(dma_dev, buf + BGMAC_RX_BUF_OFFSET,
BGMAC_RX_BUF_SIZE, DMA_FROM_DEVICE);
if (dma_mapping_error(dma_dev, dma_addr)) {
- bgmac_err(bgmac, "DMA mapping error\n");
+ netdev_err(bgmac->net_dev, "DMA mapping error\n");
put_page(virt_to_head_page(buf));
return -ENOMEM;
}
@@ -437,7 +417,7 @@ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,
end_slot /= sizeof(struct bgmac_dma_desc);
while (ring->start != end_slot) {
- struct device *dma_dev = bgmac->core->dma_dev;
+ struct device *dma_dev = bgmac->dma_dev;
struct bgmac_slot_info *slot = &ring->slots[ring->start];
struct bgmac_rx_header *rx = slot->buf + BGMAC_RX_BUF_OFFSET;
struct sk_buff *skb;
@@ -462,16 +442,19 @@ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,
/* Check for poison and drop or pass the packet */
if (len == 0xdead && flags == 0xbeef) {
- bgmac_err(bgmac, "Found poisoned packet at slot %d, DMA issue!\n",
- ring->start);
+ netdev_err(bgmac->net_dev, "Found poisoned packet at slot %d, DMA issue!\n",
+ ring->start);
put_page(virt_to_head_page(buf));
+ bgmac->net_dev->stats.rx_errors++;
break;
}
if (len > BGMAC_RX_ALLOC_SIZE) {
- bgmac_err(bgmac, "Found oversized packet at slot %d, DMA issue!\n",
- ring->start);
+ netdev_err(bgmac->net_dev, "Found oversized packet at slot %d, DMA issue!\n",
+ ring->start);
put_page(virt_to_head_page(buf));
+ bgmac->net_dev->stats.rx_length_errors++;
+ bgmac->net_dev->stats.rx_errors++;
break;
}
@@ -480,8 +463,9 @@ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,
skb = build_skb(buf, BGMAC_RX_ALLOC_SIZE);
if (unlikely(!skb)) {
- bgmac_err(bgmac, "build_skb failed\n");
+ netdev_err(bgmac->net_dev, "build_skb failed\n");
put_page(virt_to_head_page(buf));
+ bgmac->net_dev->stats.rx_errors++;
break;
}
skb_put(skb, BGMAC_RX_FRAME_OFFSET +
@@ -491,6 +475,8 @@ static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,
skb_checksum_none_assert(skb);
skb->protocol = eth_type_trans(skb, bgmac->net_dev);
+ bgmac->net_dev->stats.rx_bytes += len;
+ bgmac->net_dev->stats.rx_packets++;
napi_gro_receive(&bgmac->napi, skb);
handled++;
} while (0);
@@ -534,7 +520,7 @@ static bool bgmac_dma_unaligned(struct bgmac *bgmac,
static void bgmac_dma_tx_ring_free(struct bgmac *bgmac,
struct bgmac_dma_ring *ring)
{
- struct device *dma_dev = bgmac->core->dma_dev;
+ struct device *dma_dev = bgmac->dma_dev;
struct bgmac_dma_desc *dma_desc = ring->cpu_base;
struct bgmac_slot_info *slot;
int i;
@@ -560,7 +546,7 @@ static void bgmac_dma_tx_ring_free(struct bgmac *bgmac,
static void bgmac_dma_rx_ring_free(struct bgmac *bgmac,
struct bgmac_dma_ring *ring)
{
- struct device *dma_dev = bgmac->core->dma_dev;
+ struct device *dma_dev = bgmac->dma_dev;
struct bgmac_slot_info *slot;
int i;
@@ -581,7 +567,7 @@ static void bgmac_dma_ring_desc_free(struct bgmac *bgmac,
struct bgmac_dma_ring *ring,
int num_slots)
{
- struct device *dma_dev = bgmac->core->dma_dev;
+ struct device *dma_dev = bgmac->dma_dev;
int size;
if (!ring->cpu_base)
@@ -619,7 +605,7 @@ static void bgmac_dma_free(struct bgmac *bgmac)
static int bgmac_dma_alloc(struct bgmac *bgmac)
{
- struct device *dma_dev = bgmac->core->dma_dev;
+ struct device *dma_dev = bgmac->dma_dev;
struct bgmac_dma_ring *ring;
static const u16 ring_base[] = { BGMAC_DMA_BASE0, BGMAC_DMA_BASE1,
BGMAC_DMA_BASE2, BGMAC_DMA_BASE3, };
@@ -630,8 +616,8 @@ static int bgmac_dma_alloc(struct bgmac *bgmac)
BUILD_BUG_ON(BGMAC_MAX_TX_RINGS > ARRAY_SIZE(ring_base));
BUILD_BUG_ON(BGMAC_MAX_RX_RINGS > ARRAY_SIZE(ring_base));
- if (!(bcma_aread32(bgmac->core, BCMA_IOST) & BCMA_IOST_DMA64)) {
- bgmac_err(bgmac, "Core does not report 64-bit DMA\n");
+ if (!(bgmac_idm_read(bgmac, BCMA_IOST) & BCMA_IOST_DMA64)) {
+ dev_err(bgmac->dev, "Core does not report 64-bit DMA\n");
return -ENOTSUPP;
}
@@ -645,8 +631,8 @@ static int bgmac_dma_alloc(struct bgmac *bgmac)
&ring->dma_base,
GFP_KERNEL);
if (!ring->cpu_base) {
- bgmac_err(bgmac, "Allocation of TX ring 0x%X failed\n",
- ring->mmio_base);
+ dev_err(bgmac->dev, "Allocation of TX ring 0x%X failed\n",
+ ring->mmio_base);
goto err_dma_free;
}
@@ -670,8 +656,8 @@ static int bgmac_dma_alloc(struct bgmac *bgmac)
&ring->dma_base,
GFP_KERNEL);
if (!ring->cpu_base) {
- bgmac_err(bgmac, "Allocation of RX ring 0x%X failed\n",
- ring->mmio_base);
+ dev_err(bgmac->dev, "Allocation of RX ring 0x%X failed\n",
+ ring->mmio_base);
err = -ENOMEM;
goto err_dma_free;
}
@@ -746,150 +732,6 @@ error:
return err;
}
-/**************************************************
- * PHY ops
- **************************************************/
-
-static u16 bgmac_phy_read(struct bgmac *bgmac, u8 phyaddr, u8 reg)
-{
- struct bcma_device *core;
- u16 phy_access_addr;
- u16 phy_ctl_addr;
- u32 tmp;
-
- BUILD_BUG_ON(BGMAC_PA_DATA_MASK != BCMA_GMAC_CMN_PA_DATA_MASK);
- BUILD_BUG_ON(BGMAC_PA_ADDR_MASK != BCMA_GMAC_CMN_PA_ADDR_MASK);
- BUILD_BUG_ON(BGMAC_PA_ADDR_SHIFT != BCMA_GMAC_CMN_PA_ADDR_SHIFT);
- BUILD_BUG_ON(BGMAC_PA_REG_MASK != BCMA_GMAC_CMN_PA_REG_MASK);
- BUILD_BUG_ON(BGMAC_PA_REG_SHIFT != BCMA_GMAC_CMN_PA_REG_SHIFT);
- BUILD_BUG_ON(BGMAC_PA_WRITE != BCMA_GMAC_CMN_PA_WRITE);
- BUILD_BUG_ON(BGMAC_PA_START != BCMA_GMAC_CMN_PA_START);
- BUILD_BUG_ON(BGMAC_PC_EPA_MASK != BCMA_GMAC_CMN_PC_EPA_MASK);
- BUILD_BUG_ON(BGMAC_PC_MCT_MASK != BCMA_GMAC_CMN_PC_MCT_MASK);
- BUILD_BUG_ON(BGMAC_PC_MCT_SHIFT != BCMA_GMAC_CMN_PC_MCT_SHIFT);
- BUILD_BUG_ON(BGMAC_PC_MTE != BCMA_GMAC_CMN_PC_MTE);
-
- if (bgmac->core->id.id == BCMA_CORE_4706_MAC_GBIT) {
- core = bgmac->core->bus->drv_gmac_cmn.core;
- phy_access_addr = BCMA_GMAC_CMN_PHY_ACCESS;
- phy_ctl_addr = BCMA_GMAC_CMN_PHY_CTL;
- } else {
- core = bgmac->core;
- phy_access_addr = BGMAC_PHY_ACCESS;
- phy_ctl_addr = BGMAC_PHY_CNTL;
- }
-
- tmp = bcma_read32(core, phy_ctl_addr);
- tmp &= ~BGMAC_PC_EPA_MASK;
- tmp |= phyaddr;
- bcma_write32(core, phy_ctl_addr, tmp);
-
- tmp = BGMAC_PA_START;
- tmp |= phyaddr << BGMAC_PA_ADDR_SHIFT;
- tmp |= reg << BGMAC_PA_REG_SHIFT;
- bcma_write32(core, phy_access_addr, tmp);
-
- if (!bgmac_wait_value(core, phy_access_addr, BGMAC_PA_START, 0, 1000)) {
- bgmac_err(bgmac, "Reading PHY %d register 0x%X failed\n",
- phyaddr, reg);
- return 0xffff;
- }
-
- return bcma_read32(core, phy_access_addr) & BGMAC_PA_DATA_MASK;
-}
-
-/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphywr */
-static int bgmac_phy_write(struct bgmac *bgmac, u8 phyaddr, u8 reg, u16 value)
-{
- struct bcma_device *core;
- u16 phy_access_addr;
- u16 phy_ctl_addr;
- u32 tmp;
-
- if (bgmac->core->id.id == BCMA_CORE_4706_MAC_GBIT) {
- core = bgmac->core->bus->drv_gmac_cmn.core;
- phy_access_addr = BCMA_GMAC_CMN_PHY_ACCESS;
- phy_ctl_addr = BCMA_GMAC_CMN_PHY_CTL;
- } else {
- core = bgmac->core;
- phy_access_addr = BGMAC_PHY_ACCESS;
- phy_ctl_addr = BGMAC_PHY_CNTL;
- }
-
- tmp = bcma_read32(core, phy_ctl_addr);
- tmp &= ~BGMAC_PC_EPA_MASK;
- tmp |= phyaddr;
- bcma_write32(core, phy_ctl_addr, tmp);
-
- bgmac_write(bgmac, BGMAC_INT_STATUS, BGMAC_IS_MDIO);
- if (bgmac_read(bgmac, BGMAC_INT_STATUS) & BGMAC_IS_MDIO)
- bgmac_warn(bgmac, "Error setting MDIO int\n");
-
- tmp = BGMAC_PA_START;
- tmp |= BGMAC_PA_WRITE;
- tmp |= phyaddr << BGMAC_PA_ADDR_SHIFT;
- tmp |= reg << BGMAC_PA_REG_SHIFT;
- tmp |= value;
- bcma_write32(core, phy_access_addr, tmp);
-
- if (!bgmac_wait_value(core, phy_access_addr, BGMAC_PA_START, 0, 1000)) {
- bgmac_err(bgmac, "Writing to PHY %d register 0x%X failed\n",
- phyaddr, reg);
- return -ETIMEDOUT;
- }
-
- return 0;
-}
-
-/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyinit */
-static void bgmac_phy_init(struct bgmac *bgmac)
-{
- struct bcma_chipinfo *ci = &bgmac->core->bus->chipinfo;
- struct bcma_drv_cc *cc = &bgmac->core->bus->drv_cc;
- u8 i;
-
- if (ci->id == BCMA_CHIP_ID_BCM5356) {
- for (i = 0; i < 5; i++) {
- bgmac_phy_write(bgmac, i, 0x1f, 0x008b);
- bgmac_phy_write(bgmac, i, 0x15, 0x0100);
- bgmac_phy_write(bgmac, i, 0x1f, 0x000f);
- bgmac_phy_write(bgmac, i, 0x12, 0x2aaa);
- bgmac_phy_write(bgmac, i, 0x1f, 0x000b);
- }
- }
- if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg != 10) ||
- (ci->id == BCMA_CHIP_ID_BCM4749 && ci->pkg != 10) ||
- (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg != 9)) {
- bcma_chipco_chipctl_maskset(cc, 2, ~0xc0000000, 0);
- bcma_chipco_chipctl_maskset(cc, 4, ~0x80000000, 0);
- for (i = 0; i < 5; i++) {
- bgmac_phy_write(bgmac, i, 0x1f, 0x000f);
- bgmac_phy_write(bgmac, i, 0x16, 0x5284);
- bgmac_phy_write(bgmac, i, 0x1f, 0x000b);
- bgmac_phy_write(bgmac, i, 0x17, 0x0010);
- bgmac_phy_write(bgmac, i, 0x1f, 0x000f);
- bgmac_phy_write(bgmac, i, 0x16, 0x5296);
- bgmac_phy_write(bgmac, i, 0x17, 0x1073);
- bgmac_phy_write(bgmac, i, 0x17, 0x9073);
- bgmac_phy_write(bgmac, i, 0x16, 0x52b6);
- bgmac_phy_write(bgmac, i, 0x17, 0x9273);
- bgmac_phy_write(bgmac, i, 0x1f, 0x000b);
- }
- }
-}
-
-/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyreset */
-static void bgmac_phy_reset(struct bgmac *bgmac)
-{
- if (bgmac->phyaddr == BGMAC_PHY_NOREGS)
- return;
-
- bgmac_phy_write(bgmac, bgmac->phyaddr, MII_BMCR, BMCR_RESET);
- udelay(100);
- if (bgmac_phy_read(bgmac, bgmac->phyaddr, MII_BMCR) & BMCR_RESET)
- bgmac_err(bgmac, "PHY reset failed\n");
- bgmac_phy_init(bgmac);
-}
/**************************************************
* Chip ops
@@ -903,14 +745,20 @@ static void bgmac_cmdcfg_maskset(struct bgmac *bgmac, u32 mask, u32 set,
{
u32 cmdcfg = bgmac_read(bgmac, BGMAC_CMDCFG);
u32 new_val = (cmdcfg & mask) | set;
+ u32 cmdcfg_sr;
+
+ if (bgmac->feature_flags & BGMAC_FEAT_CMDCFG_SR_REV4)
+ cmdcfg_sr = BGMAC_CMDCFG_SR_REV4;
+ else
+ cmdcfg_sr = BGMAC_CMDCFG_SR_REV0;
- bgmac_set(bgmac, BGMAC_CMDCFG, BGMAC_CMDCFG_SR(bgmac->core->id.rev));
+ bgmac_set(bgmac, BGMAC_CMDCFG, cmdcfg_sr);
udelay(2);
if (new_val != cmdcfg || force)
bgmac_write(bgmac, BGMAC_CMDCFG, new_val);
- bgmac_mask(bgmac, BGMAC_CMDCFG, ~BGMAC_CMDCFG_SR(bgmac->core->id.rev));
+ bgmac_mask(bgmac, BGMAC_CMDCFG, ~cmdcfg_sr);
udelay(2);
}
@@ -939,7 +787,7 @@ static void bgmac_chip_stats_update(struct bgmac *bgmac)
{
int i;
- if (bgmac->core->id.id != BCMA_CORE_4706_MAC_GBIT) {
+ if (!(bgmac->feature_flags & BGMAC_FEAT_NO_CLR_MIB)) {
for (i = 0; i < BGMAC_NUM_MIB_TX_REGS; i++)
bgmac->mib_tx_regs[i] =
bgmac_read(bgmac,
@@ -958,7 +806,7 @@ static void bgmac_clear_mib(struct bgmac *bgmac)
{
int i;
- if (bgmac->core->id.id == BCMA_CORE_4706_MAC_GBIT)
+ if (bgmac->feature_flags & BGMAC_FEAT_NO_CLR_MIB)
return;
bgmac_set(bgmac, BGMAC_DEV_CTL, BGMAC_DC_MROR);
@@ -988,7 +836,8 @@ static void bgmac_mac_speed(struct bgmac *bgmac)
set |= BGMAC_CMDCFG_ES_2500;
break;
default:
- bgmac_err(bgmac, "Unsupported speed: %d\n", bgmac->mac_speed);
+ dev_err(bgmac->dev, "Unsupported speed: %d\n",
+ bgmac->mac_speed);
}
if (bgmac->mac_duplex == DUPLEX_HALF)
@@ -999,17 +848,16 @@ static void bgmac_mac_speed(struct bgmac *bgmac)
static void bgmac_miiconfig(struct bgmac *bgmac)
{
- struct bcma_device *core = bgmac->core;
- u8 imode;
-
- if (bgmac_is_bcm4707_family(bgmac)) {
- bcma_awrite32(core, BCMA_IOCTL,
- bcma_aread32(core, BCMA_IOCTL) | 0x40 |
- BGMAC_BCMA_IOCTL_SW_CLKEN);
+ if (bgmac->feature_flags & BGMAC_FEAT_FORCE_SPEED_2500) {
+ bgmac_idm_write(bgmac, BCMA_IOCTL,
+ bgmac_idm_read(bgmac, BCMA_IOCTL) | 0x40 |
+ BGMAC_BCMA_IOCTL_SW_CLKEN);
bgmac->mac_speed = SPEED_2500;
bgmac->mac_duplex = DUPLEX_FULL;
bgmac_mac_speed(bgmac);
} else {
+ u8 imode;
+
imode = (bgmac_read(bgmac, BGMAC_DEV_STATUS) &
BGMAC_DS_MM_MASK) >> BGMAC_DS_MM_SHIFT;
if (imode == 0 || imode == 1) {
@@ -1023,14 +871,11 @@ static void bgmac_miiconfig(struct bgmac *bgmac)
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipreset */
static void bgmac_chip_reset(struct bgmac *bgmac)
{
- struct bcma_device *core = bgmac->core;
- struct bcma_bus *bus = core->bus;
- struct bcma_chipinfo *ci = &bus->chipinfo;
- u32 flags;
+ u32 cmdcfg_sr;
u32 iost;
int i;
- if (bcma_core_is_enabled(core)) {
+ if (bgmac_clk_enabled(bgmac)) {
if (!bgmac->stats_grabbed) {
/* bgmac_chip_stats_update(bgmac); */
bgmac->stats_grabbed = true;
@@ -1048,38 +893,32 @@ static void bgmac_chip_reset(struct bgmac *bgmac)
/* TODO: Clear software multicast filter list */
}
- iost = bcma_aread32(core, BCMA_IOST);
- if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM47186) ||
- (ci->id == BCMA_CHIP_ID_BCM4749 && ci->pkg == 10) ||
- (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == BCMA_PKG_ID_BCM47188))
+ iost = bgmac_idm_read(bgmac, BCMA_IOST);
+ if (bgmac->feature_flags & BGMAC_FEAT_IOST_ATTACHED)
iost &= ~BGMAC_BCMA_IOST_ATTACHED;
/* 3GMAC: for BCM4707 & BCM47094, only do core reset at bgmac_probe() */
- if (ci->id != BCMA_CHIP_ID_BCM4707 &&
- ci->id != BCMA_CHIP_ID_BCM47094) {
- flags = 0;
+ if (!(bgmac->feature_flags & BGMAC_FEAT_NO_RESET)) {
+ u32 flags = 0;
if (iost & BGMAC_BCMA_IOST_ATTACHED) {
flags = BGMAC_BCMA_IOCTL_SW_CLKEN;
if (!bgmac->has_robosw)
flags |= BGMAC_BCMA_IOCTL_SW_RESET;
}
- bcma_core_enable(core, flags);
+ bgmac_clk_enable(bgmac, flags);
}
/* Request Misc PLL for corerev > 2 */
- if (core->id.rev > 2 && !bgmac_is_bcm4707_family(bgmac)) {
+ if (bgmac->feature_flags & BGMAC_FEAT_MISC_PLL_REQ) {
bgmac_set(bgmac, BCMA_CLKCTLST,
BGMAC_BCMA_CLKCTLST_MISC_PLL_REQ);
- bgmac_wait_value(bgmac->core, BCMA_CLKCTLST,
+ bgmac_wait_value(bgmac, BCMA_CLKCTLST,
BGMAC_BCMA_CLKCTLST_MISC_PLL_ST,
BGMAC_BCMA_CLKCTLST_MISC_PLL_ST,
1000);
}
- if (ci->id == BCMA_CHIP_ID_BCM5357 ||
- ci->id == BCMA_CHIP_ID_BCM4749 ||
- ci->id == BCMA_CHIP_ID_BCM53572) {
- struct bcma_drv_cc *cc = &bgmac->core->bus->drv_cc;
+ if (bgmac->feature_flags & BGMAC_FEAT_SW_TYPE_PHY) {
u8 et_swtype = 0;
u8 sw_type = BGMAC_CHIPCTL_1_SW_TYPE_EPHY |
BGMAC_CHIPCTL_1_IF_TYPE_MII;
@@ -1087,35 +926,37 @@ static void bgmac_chip_reset(struct bgmac *bgmac)
if (bcm47xx_nvram_getenv("et_swtype", buf, sizeof(buf)) > 0) {
if (kstrtou8(buf, 0, &et_swtype))
- bgmac_err(bgmac, "Failed to parse et_swtype (%s)\n",
- buf);
+ dev_err(bgmac->dev, "Failed to parse et_swtype (%s)\n",
+ buf);
et_swtype &= 0x0f;
et_swtype <<= 4;
sw_type = et_swtype;
- } else if (ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM5358) {
+ } else if (bgmac->feature_flags & BGMAC_FEAT_SW_TYPE_EPHYRMII) {
sw_type = BGMAC_CHIPCTL_1_SW_TYPE_EPHYRMII;
- } else if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM47186) ||
- (ci->id == BCMA_CHIP_ID_BCM4749 && ci->pkg == 10) ||
- (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == BCMA_PKG_ID_BCM47188)) {
+ } else if (bgmac->feature_flags & BGMAC_FEAT_SW_TYPE_RGMII) {
sw_type = BGMAC_CHIPCTL_1_IF_TYPE_RGMII |
BGMAC_CHIPCTL_1_SW_TYPE_RGMII;
}
- bcma_chipco_chipctl_maskset(cc, 1,
- ~(BGMAC_CHIPCTL_1_IF_TYPE_MASK |
- BGMAC_CHIPCTL_1_SW_TYPE_MASK),
- sw_type);
+ bgmac_cco_ctl_maskset(bgmac, 1, ~(BGMAC_CHIPCTL_1_IF_TYPE_MASK |
+ BGMAC_CHIPCTL_1_SW_TYPE_MASK),
+ sw_type);
}
if (iost & BGMAC_BCMA_IOST_ATTACHED && !bgmac->has_robosw)
- bcma_awrite32(core, BCMA_IOCTL,
- bcma_aread32(core, BCMA_IOCTL) &
- ~BGMAC_BCMA_IOCTL_SW_RESET);
+ bgmac_idm_write(bgmac, BCMA_IOCTL,
+ bgmac_idm_read(bgmac, BCMA_IOCTL) &
+ ~BGMAC_BCMA_IOCTL_SW_RESET);
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/gmac_reset
* Specs don't say about using BGMAC_CMDCFG_SR, but in this routine
* BGMAC_CMDCFG is read _after_ putting chip in a reset. So it has to
* be keps until taking MAC out of the reset.
*/
+ if (bgmac->feature_flags & BGMAC_FEAT_CMDCFG_SR_REV4)
+ cmdcfg_sr = BGMAC_CMDCFG_SR_REV4;
+ else
+ cmdcfg_sr = BGMAC_CMDCFG_SR_REV0;
+
bgmac_cmdcfg_maskset(bgmac,
~(BGMAC_CMDCFG_TE |
BGMAC_CMDCFG_RE |
@@ -1133,19 +974,20 @@ static void bgmac_chip_reset(struct bgmac *bgmac)
BGMAC_CMDCFG_PROM |
BGMAC_CMDCFG_NLC |
BGMAC_CMDCFG_CFE |
- BGMAC_CMDCFG_SR(core->id.rev),
+ cmdcfg_sr,
false);
bgmac->mac_speed = SPEED_UNKNOWN;
bgmac->mac_duplex = DUPLEX_UNKNOWN;
bgmac_clear_mib(bgmac);
- if (core->id.id == BCMA_CORE_4706_MAC_GBIT)
- bcma_maskset32(bgmac->cmn, BCMA_GMAC_CMN_PHY_CTL, ~0,
- BCMA_GMAC_CMN_PC_MTE);
+ if (bgmac->feature_flags & BGMAC_FEAT_CMN_PHY_CTL)
+ bgmac_cmn_maskset32(bgmac, BCMA_GMAC_CMN_PHY_CTL, ~0,
+ BCMA_GMAC_CMN_PC_MTE);
else
bgmac_set(bgmac, BGMAC_PHY_CNTL, BGMAC_PC_MTE);
bgmac_miiconfig(bgmac);
- bgmac_phy_init(bgmac);
+ if (bgmac->mii_bus)
+ bgmac->mii_bus->reset(bgmac->mii_bus);
netdev_reset_queue(bgmac->net_dev);
}
@@ -1164,50 +1006,51 @@ static void bgmac_chip_intrs_off(struct bgmac *bgmac)
/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/gmac_enable */
static void bgmac_enable(struct bgmac *bgmac)
{
- struct bcma_chipinfo *ci = &bgmac->core->bus->chipinfo;
+ u32 cmdcfg_sr;
u32 cmdcfg;
u32 mode;
- u32 rxq_ctl;
- u32 fl_ctl;
- u16 bp_clk;
- u8 mdp;
+
+ if (bgmac->feature_flags & BGMAC_FEAT_CMDCFG_SR_REV4)
+ cmdcfg_sr = BGMAC_CMDCFG_SR_REV4;
+ else
+ cmdcfg_sr = BGMAC_CMDCFG_SR_REV0;
cmdcfg = bgmac_read(bgmac, BGMAC_CMDCFG);
bgmac_cmdcfg_maskset(bgmac, ~(BGMAC_CMDCFG_TE | BGMAC_CMDCFG_RE),
- BGMAC_CMDCFG_SR(bgmac->core->id.rev), true);
+ cmdcfg_sr, true);
udelay(2);
cmdcfg |= BGMAC_CMDCFG_TE | BGMAC_CMDCFG_RE;
bgmac_write(bgmac, BGMAC_CMDCFG, cmdcfg);
mode = (bgmac_read(bgmac, BGMAC_DEV_STATUS) & BGMAC_DS_MM_MASK) >>
BGMAC_DS_MM_SHIFT;
- if (ci->id != BCMA_CHIP_ID_BCM47162 || mode != 0)
+ if (bgmac->feature_flags & BGMAC_FEAT_CLKCTLST || mode != 0)
bgmac_set(bgmac, BCMA_CLKCTLST, BCMA_CLKCTLST_FORCEHT);
- if (ci->id == BCMA_CHIP_ID_BCM47162 && mode == 2)
- bcma_chipco_chipctl_maskset(&bgmac->core->bus->drv_cc, 1, ~0,
- BGMAC_CHIPCTL_1_RXC_DLL_BYPASS);
-
- switch (ci->id) {
- case BCMA_CHIP_ID_BCM5357:
- case BCMA_CHIP_ID_BCM4749:
- case BCMA_CHIP_ID_BCM53572:
- case BCMA_CHIP_ID_BCM4716:
- case BCMA_CHIP_ID_BCM47162:
- fl_ctl = 0x03cb04cb;
- if (ci->id == BCMA_CHIP_ID_BCM5357 ||
- ci->id == BCMA_CHIP_ID_BCM4749 ||
- ci->id == BCMA_CHIP_ID_BCM53572)
+ if (bgmac->feature_flags & BGMAC_FEAT_CLKCTLST && mode == 2)
+ bgmac_cco_ctl_maskset(bgmac, 1, ~0,
+ BGMAC_CHIPCTL_1_RXC_DLL_BYPASS);
+
+ if (bgmac->feature_flags & (BGMAC_FEAT_FLW_CTRL1 |
+ BGMAC_FEAT_FLW_CTRL2)) {
+ u32 fl_ctl;
+
+ if (bgmac->feature_flags & BGMAC_FEAT_FLW_CTRL1)
fl_ctl = 0x2300e1;
+ else
+ fl_ctl = 0x03cb04cb;
+
bgmac_write(bgmac, BGMAC_FLOW_CTL_THRESH, fl_ctl);
bgmac_write(bgmac, BGMAC_PAUSE_CTL, 0x27fff);
- break;
}
- if (!bgmac_is_bcm4707_family(bgmac)) {
+ if (bgmac->feature_flags & BGMAC_FEAT_SET_RXQ_CLK) {
+ u32 rxq_ctl;
+ u16 bp_clk;
+ u8 mdp;
+
rxq_ctl = bgmac_read(bgmac, BGMAC_RXQ_CTL);
rxq_ctl &= ~BGMAC_RXQ_CTL_MDP_MASK;
- bp_clk = bcma_pmu_get_bus_clock(&bgmac->core->bus->drv_cc) /
- 1000000;
+ bp_clk = bgmac_get_bus_clock(bgmac) / 1000000;
mdp = (bp_clk * 128 / 1000) - 3;
rxq_ctl |= (mdp << BGMAC_RXQ_CTL_MDP_SHIFT);
bgmac_write(bgmac, BGMAC_RXQ_CTL, rxq_ctl);
@@ -1251,7 +1094,7 @@ static irqreturn_t bgmac_interrupt(int irq, void *dev_id)
int_status &= ~(BGMAC_IS_TX0 | BGMAC_IS_RX);
if (int_status)
- bgmac_err(bgmac, "Unknown IRQs: 0x%08X\n", int_status);
+ dev_err(bgmac->dev, "Unknown IRQs: 0x%08X\n", int_status);
/* Disable new interrupts until handling existing ones */
bgmac_chip_intrs_off(bgmac);
@@ -1302,16 +1145,16 @@ static int bgmac_open(struct net_device *net_dev)
/* Specs say about reclaiming rings here, but we do that in DMA init */
bgmac_chip_init(bgmac);
- err = request_irq(bgmac->core->irq, bgmac_interrupt, IRQF_SHARED,
+ err = request_irq(bgmac->irq, bgmac_interrupt, IRQF_SHARED,
KBUILD_MODNAME, net_dev);
if (err < 0) {
- bgmac_err(bgmac, "IRQ request error: %d!\n", err);
+ dev_err(bgmac->dev, "IRQ request error: %d!\n", err);
bgmac_dma_cleanup(bgmac);
return err;
}
napi_enable(&bgmac->napi);
- phy_start(bgmac->phy_dev);
+ phy_start(net_dev->phydev);
netif_start_queue(net_dev);
@@ -1324,11 +1167,11 @@ static int bgmac_stop(struct net_device *net_dev)
netif_carrier_off(net_dev);
- phy_stop(bgmac->phy_dev);
+ phy_stop(net_dev->phydev);
napi_disable(&bgmac->napi);
bgmac_chip_intrs_off(bgmac);
- free_irq(bgmac->core->irq, net_dev);
+ free_irq(bgmac->irq, net_dev);
bgmac_chip_reset(bgmac);
bgmac_dma_cleanup(bgmac);
@@ -1362,12 +1205,10 @@ static int bgmac_set_mac_address(struct net_device *net_dev, void *addr)
static int bgmac_ioctl(struct net_device *net_dev, struct ifreq *ifr, int cmd)
{
- struct bgmac *bgmac = netdev_priv(net_dev);
-
if (!netif_running(net_dev))
return -EINVAL;
- return phy_mii_ioctl(bgmac->phy_dev, ifr, cmd);
+ return phy_mii_ioctl(net_dev->phydev, ifr, cmd);
}
static const struct net_device_ops bgmac_netdev_ops = {
@@ -1384,54 +1225,151 @@ static const struct net_device_ops bgmac_netdev_ops = {
* ethtool_ops
**************************************************/
-static int bgmac_get_settings(struct net_device *net_dev,
- struct ethtool_cmd *cmd)
+struct bgmac_stat {
+ u8 size;
+ u32 offset;
+ const char *name;
+};
+
+static struct bgmac_stat bgmac_get_strings_stats[] = {
+ { 8, BGMAC_TX_GOOD_OCTETS, "tx_good_octets" },
+ { 4, BGMAC_TX_GOOD_PKTS, "tx_good" },
+ { 8, BGMAC_TX_OCTETS, "tx_octets" },
+ { 4, BGMAC_TX_PKTS, "tx_pkts" },
+ { 4, BGMAC_TX_BROADCAST_PKTS, "tx_broadcast" },
+ { 4, BGMAC_TX_MULTICAST_PKTS, "tx_multicast" },
+ { 4, BGMAC_TX_LEN_64, "tx_64" },
+ { 4, BGMAC_TX_LEN_65_TO_127, "tx_65_127" },
+ { 4, BGMAC_TX_LEN_128_TO_255, "tx_128_255" },
+ { 4, BGMAC_TX_LEN_256_TO_511, "tx_256_511" },
+ { 4, BGMAC_TX_LEN_512_TO_1023, "tx_512_1023" },
+ { 4, BGMAC_TX_LEN_1024_TO_1522, "tx_1024_1522" },
+ { 4, BGMAC_TX_LEN_1523_TO_2047, "tx_1523_2047" },
+ { 4, BGMAC_TX_LEN_2048_TO_4095, "tx_2048_4095" },
+ { 4, BGMAC_TX_LEN_4096_TO_8191, "tx_4096_8191" },
+ { 4, BGMAC_TX_LEN_8192_TO_MAX, "tx_8192_max" },
+ { 4, BGMAC_TX_JABBER_PKTS, "tx_jabber" },
+ { 4, BGMAC_TX_OVERSIZE_PKTS, "tx_oversize" },
+ { 4, BGMAC_TX_FRAGMENT_PKTS, "tx_fragment" },
+ { 4, BGMAC_TX_UNDERRUNS, "tx_underruns" },
+ { 4, BGMAC_TX_TOTAL_COLS, "tx_total_cols" },
+ { 4, BGMAC_TX_SINGLE_COLS, "tx_single_cols" },
+ { 4, BGMAC_TX_MULTIPLE_COLS, "tx_multiple_cols" },
+ { 4, BGMAC_TX_EXCESSIVE_COLS, "tx_excessive_cols" },
+ { 4, BGMAC_TX_LATE_COLS, "tx_late_cols" },
+ { 4, BGMAC_TX_DEFERED, "tx_defered" },
+ { 4, BGMAC_TX_CARRIER_LOST, "tx_carrier_lost" },
+ { 4, BGMAC_TX_PAUSE_PKTS, "tx_pause" },
+ { 4, BGMAC_TX_UNI_PKTS, "tx_unicast" },
+ { 4, BGMAC_TX_Q0_PKTS, "tx_q0" },
+ { 8, BGMAC_TX_Q0_OCTETS, "tx_q0_octets" },
+ { 4, BGMAC_TX_Q1_PKTS, "tx_q1" },
+ { 8, BGMAC_TX_Q1_OCTETS, "tx_q1_octets" },
+ { 4, BGMAC_TX_Q2_PKTS, "tx_q2" },
+ { 8, BGMAC_TX_Q2_OCTETS, "tx_q2_octets" },
+ { 4, BGMAC_TX_Q3_PKTS, "tx_q3" },
+ { 8, BGMAC_TX_Q3_OCTETS, "tx_q3_octets" },
+ { 8, BGMAC_RX_GOOD_OCTETS, "rx_good_octets" },
+ { 4, BGMAC_RX_GOOD_PKTS, "rx_good" },
+ { 8, BGMAC_RX_OCTETS, "rx_octets" },
+ { 4, BGMAC_RX_PKTS, "rx_pkts" },
+ { 4, BGMAC_RX_BROADCAST_PKTS, "rx_broadcast" },
+ { 4, BGMAC_RX_MULTICAST_PKTS, "rx_multicast" },
+ { 4, BGMAC_RX_LEN_64, "rx_64" },
+ { 4, BGMAC_RX_LEN_65_TO_127, "rx_65_127" },
+ { 4, BGMAC_RX_LEN_128_TO_255, "rx_128_255" },
+ { 4, BGMAC_RX_LEN_256_TO_511, "rx_256_511" },
+ { 4, BGMAC_RX_LEN_512_TO_1023, "rx_512_1023" },
+ { 4, BGMAC_RX_LEN_1024_TO_1522, "rx_1024_1522" },
+ { 4, BGMAC_RX_LEN_1523_TO_2047, "rx_1523_2047" },
+ { 4, BGMAC_RX_LEN_2048_TO_4095, "rx_2048_4095" },
+ { 4, BGMAC_RX_LEN_4096_TO_8191, "rx_4096_8191" },
+ { 4, BGMAC_RX_LEN_8192_TO_MAX, "rx_8192_max" },
+ { 4, BGMAC_RX_JABBER_PKTS, "rx_jabber" },
+ { 4, BGMAC_RX_OVERSIZE_PKTS, "rx_oversize" },
+ { 4, BGMAC_RX_FRAGMENT_PKTS, "rx_fragment" },
+ { 4, BGMAC_RX_MISSED_PKTS, "rx_missed" },
+ { 4, BGMAC_RX_CRC_ALIGN_ERRS, "rx_crc_align" },
+ { 4, BGMAC_RX_UNDERSIZE, "rx_undersize" },
+ { 4, BGMAC_RX_CRC_ERRS, "rx_crc" },
+ { 4, BGMAC_RX_ALIGN_ERRS, "rx_align" },
+ { 4, BGMAC_RX_SYMBOL_ERRS, "rx_symbol" },
+ { 4, BGMAC_RX_PAUSE_PKTS, "rx_pause" },
+ { 4, BGMAC_RX_NONPAUSE_PKTS, "rx_nonpause" },
+ { 4, BGMAC_RX_SACHANGES, "rx_sa_changes" },
+ { 4, BGMAC_RX_UNI_PKTS, "rx_unicast" },
+};
+
+#define BGMAC_STATS_LEN ARRAY_SIZE(bgmac_get_strings_stats)
+
+static int bgmac_get_sset_count(struct net_device *dev, int string_set)
{
- struct bgmac *bgmac = netdev_priv(net_dev);
+ switch (string_set) {
+ case ETH_SS_STATS:
+ return BGMAC_STATS_LEN;
+ }
- return phy_ethtool_gset(bgmac->phy_dev, cmd);
+ return -EOPNOTSUPP;
}
-static int bgmac_set_settings(struct net_device *net_dev,
- struct ethtool_cmd *cmd)
+static void bgmac_get_strings(struct net_device *dev, u32 stringset,
+ u8 *data)
{
- struct bgmac *bgmac = netdev_priv(net_dev);
+ int i;
+
+ if (stringset != ETH_SS_STATS)
+ return;
+
+ for (i = 0; i < BGMAC_STATS_LEN; i++)
+ strlcpy(data + i * ETH_GSTRING_LEN,
+ bgmac_get_strings_stats[i].name, ETH_GSTRING_LEN);
+}
+
+static void bgmac_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *ss, uint64_t *data)
+{
+ struct bgmac *bgmac = netdev_priv(dev);
+ const struct bgmac_stat *s;
+ unsigned int i;
+ u64 val;
+
+ if (!netif_running(dev))
+ return;
- return phy_ethtool_sset(bgmac->phy_dev, cmd);
+ for (i = 0; i < BGMAC_STATS_LEN; i++) {
+ s = &bgmac_get_strings_stats[i];
+ val = 0;
+ if (s->size == 8)
+ val = (u64)bgmac_read(bgmac, s->offset + 4) << 32;
+ val |= bgmac_read(bgmac, s->offset);
+ data[i] = val;
+ }
}
static void bgmac_get_drvinfo(struct net_device *net_dev,
struct ethtool_drvinfo *info)
{
strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
- strlcpy(info->bus_info, "BCMA", sizeof(info->bus_info));
+ strlcpy(info->bus_info, "AXI", sizeof(info->bus_info));
}
static const struct ethtool_ops bgmac_ethtool_ops = {
- .get_settings = bgmac_get_settings,
- .set_settings = bgmac_set_settings,
+ .get_strings = bgmac_get_strings,
+ .get_sset_count = bgmac_get_sset_count,
+ .get_ethtool_stats = bgmac_get_ethtool_stats,
.get_drvinfo = bgmac_get_drvinfo,
+ .get_link_ksettings = phy_ethtool_get_link_ksettings,
+ .set_link_ksettings = phy_ethtool_set_link_ksettings,
};
/**************************************************
* MII
**************************************************/
-static int bgmac_mii_read(struct mii_bus *bus, int mii_id, int regnum)
-{
- return bgmac_phy_read(bus->priv, mii_id, regnum);
-}
-
-static int bgmac_mii_write(struct mii_bus *bus, int mii_id, int regnum,
- u16 value)
-{
- return bgmac_phy_write(bus->priv, mii_id, regnum, value);
-}
-
static void bgmac_adjust_link(struct net_device *net_dev)
{
struct bgmac *bgmac = netdev_priv(net_dev);
- struct phy_device *phy_dev = bgmac->phy_dev;
+ struct phy_device *phy_dev = net_dev->phydev;
bool update = false;
if (phy_dev->link) {
@@ -1452,7 +1390,7 @@ static void bgmac_adjust_link(struct net_device *net_dev)
}
}
-static int bgmac_fixed_phy_register(struct bgmac *bgmac)
+static int bgmac_phy_connect_direct(struct bgmac *bgmac)
{
struct fixed_phy_status fphy_status = {
.link = 1,
@@ -1464,196 +1402,76 @@ static int bgmac_fixed_phy_register(struct bgmac *bgmac)
phy_dev = fixed_phy_register(PHY_POLL, &fphy_status, -1, NULL);
if (!phy_dev || IS_ERR(phy_dev)) {
- bgmac_err(bgmac, "Failed to register fixed PHY device\n");
+ dev_err(bgmac->dev, "Failed to register fixed PHY device\n");
return -ENODEV;
}
err = phy_connect_direct(bgmac->net_dev, phy_dev, bgmac_adjust_link,
PHY_INTERFACE_MODE_MII);
if (err) {
- bgmac_err(bgmac, "Connecting PHY failed\n");
+ dev_err(bgmac->dev, "Connecting PHY failed\n");
return err;
}
- bgmac->phy_dev = phy_dev;
-
return err;
}
-static int bgmac_mii_register(struct bgmac *bgmac)
+static int bgmac_phy_connect(struct bgmac *bgmac)
{
- struct mii_bus *mii_bus;
struct phy_device *phy_dev;
char bus_id[MII_BUS_ID_SIZE + 3];
- int err = 0;
-
- if (bgmac_is_bcm4707_family(bgmac))
- return bgmac_fixed_phy_register(bgmac);
-
- mii_bus = mdiobus_alloc();
- if (!mii_bus)
- return -ENOMEM;
-
- mii_bus->name = "bgmac mii bus";
- sprintf(mii_bus->id, "%s-%d-%d", "bgmac", bgmac->core->bus->num,
- bgmac->core->core_unit);
- mii_bus->priv = bgmac;
- mii_bus->read = bgmac_mii_read;
- mii_bus->write = bgmac_mii_write;
- mii_bus->parent = &bgmac->core->dev;
- mii_bus->phy_mask = ~(1 << bgmac->phyaddr);
-
- err = mdiobus_register(mii_bus);
- if (err) {
- bgmac_err(bgmac, "Registration of mii bus failed\n");
- goto err_free_bus;
- }
-
- bgmac->mii_bus = mii_bus;
/* Connect to the PHY */
- snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, mii_bus->id,
+ snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, bgmac->mii_bus->id,
bgmac->phyaddr);
phy_dev = phy_connect(bgmac->net_dev, bus_id, &bgmac_adjust_link,
PHY_INTERFACE_MODE_MII);
if (IS_ERR(phy_dev)) {
- bgmac_err(bgmac, "PHY connection failed\n");
- err = PTR_ERR(phy_dev);
- goto err_unregister_bus;
+ dev_err(bgmac->dev, "PHY connecton failed\n");
+ return PTR_ERR(phy_dev);
}
- bgmac->phy_dev = phy_dev;
-
- return err;
-err_unregister_bus:
- mdiobus_unregister(mii_bus);
-err_free_bus:
- mdiobus_free(mii_bus);
- return err;
-}
-
-static void bgmac_mii_unregister(struct bgmac *bgmac)
-{
- struct mii_bus *mii_bus = bgmac->mii_bus;
-
- mdiobus_unregister(mii_bus);
- mdiobus_free(mii_bus);
+ return 0;
}
-/**************************************************
- * BCMA bus ops
- **************************************************/
-
-/* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipattach */
-static int bgmac_probe(struct bcma_device *core)
+int bgmac_enet_probe(struct bgmac *info)
{
struct net_device *net_dev;
struct bgmac *bgmac;
- struct ssb_sprom *sprom = &core->bus->sprom;
- u8 *mac;
int err;
- switch (core->core_unit) {
- case 0:
- mac = sprom->et0mac;
- break;
- case 1:
- mac = sprom->et1mac;
- break;
- case 2:
- mac = sprom->et2mac;
- break;
- default:
- pr_err("Unsupported core_unit %d\n", core->core_unit);
- return -ENOTSUPP;
- }
-
- if (!is_valid_ether_addr(mac)) {
- dev_err(&core->dev, "Invalid MAC addr: %pM\n", mac);
- eth_random_addr(mac);
- dev_warn(&core->dev, "Using random MAC: %pM\n", mac);
- }
-
- /* This (reset &) enable is not preset in specs or reference driver but
- * Broadcom does it in arch PCI code when enabling fake PCI device.
- */
- bcma_core_enable(core, 0);
-
/* Allocation and references */
net_dev = alloc_etherdev(sizeof(*bgmac));
if (!net_dev)
return -ENOMEM;
+
net_dev->netdev_ops = &bgmac_netdev_ops;
- net_dev->irq = core->irq;
net_dev->ethtool_ops = &bgmac_ethtool_ops;
bgmac = netdev_priv(net_dev);
+ memcpy(bgmac, info, sizeof(*bgmac));
bgmac->net_dev = net_dev;
- bgmac->core = core;
- bcma_set_drvdata(core, bgmac);
-
- /* Defaults */
- memcpy(bgmac->net_dev->dev_addr, mac, ETH_ALEN);
-
- /* On BCM4706 we need common core to access PHY */
- if (core->id.id == BCMA_CORE_4706_MAC_GBIT &&
- !core->bus->drv_gmac_cmn.core) {
- bgmac_err(bgmac, "GMAC CMN core not found (required for BCM4706)\n");
- err = -ENODEV;
- goto err_netdev_free;
- }
- bgmac->cmn = core->bus->drv_gmac_cmn.core;
-
- switch (core->core_unit) {
- case 0:
- bgmac->phyaddr = sprom->et0phyaddr;
- break;
- case 1:
- bgmac->phyaddr = sprom->et1phyaddr;
- break;
- case 2:
- bgmac->phyaddr = sprom->et2phyaddr;
- break;
- }
- bgmac->phyaddr &= BGMAC_PHY_MASK;
- if (bgmac->phyaddr == BGMAC_PHY_MASK) {
- bgmac_err(bgmac, "No PHY found\n");
- err = -ENODEV;
- goto err_netdev_free;
+ net_dev->irq = bgmac->irq;
+ SET_NETDEV_DEV(net_dev, bgmac->dev);
+
+ if (!is_valid_ether_addr(bgmac->mac_addr)) {
+ dev_err(bgmac->dev, "Invalid MAC addr: %pM\n",
+ bgmac->mac_addr);
+ eth_random_addr(bgmac->mac_addr);
+ dev_warn(bgmac->dev, "Using random MAC: %pM\n",
+ bgmac->mac_addr);
}
- bgmac_info(bgmac, "Found PHY addr: %d%s\n", bgmac->phyaddr,
- bgmac->phyaddr == BGMAC_PHY_NOREGS ? " (NOREGS)" : "");
+ ether_addr_copy(net_dev->dev_addr, bgmac->mac_addr);
- if (core->bus->hosttype == BCMA_HOSTTYPE_PCI) {
- bgmac_err(bgmac, "PCI setup not implemented\n");
- err = -ENOTSUPP;
- goto err_netdev_free;
- }
+ /* This (reset &) enable is not preset in specs or reference driver but
+ * Broadcom does it in arch PCI code when enabling fake PCI device.
+ */
+ bgmac_clk_enable(bgmac, 0);
bgmac_chip_reset(bgmac);
- /* For Northstar, we have to take all GMAC core out of reset */
- if (bgmac_is_bcm4707_family(bgmac)) {
- struct bcma_device *ns_core;
- int ns_gmac;
-
- /* Northstar has 4 GMAC cores */
- for (ns_gmac = 0; ns_gmac < 4; ns_gmac++) {
- /* As Northstar requirement, we have to reset all GMACs
- * before accessing one. bgmac_chip_reset() call
- * bcma_core_enable() for this core. Then the other
- * three GMACs didn't reset. We do it here.
- */
- ns_core = bcma_find_core_unit(core->bus,
- BCMA_CORE_MAC_GBIT,
- ns_gmac);
- if (ns_core && !bcma_core_is_enabled(ns_core))
- bcma_core_enable(ns_core, 0);
- }
- }
-
err = bgmac_dma_alloc(bgmac);
if (err) {
- bgmac_err(bgmac, "Unable to alloc memory for DMA\n");
+ dev_err(bgmac->dev, "Unable to alloc memory for DMA\n");
goto err_netdev_free;
}
@@ -1661,22 +1479,14 @@ static int bgmac_probe(struct bcma_device *core)
if (bcm47xx_nvram_getenv("et0_no_txint", NULL, 0) == 0)
bgmac->int_mask &= ~BGMAC_IS_TX_MASK;
- /* TODO: reset the external phy. Specs are needed */
- bgmac_phy_reset(bgmac);
-
- bgmac->has_robosw = !!(core->bus->sprom.boardflags_lo &
- BGMAC_BFL_ENETROBO);
- if (bgmac->has_robosw)
- bgmac_warn(bgmac, "Support for Roboswitch not implemented\n");
-
- if (core->bus->sprom.boardflags_lo & BGMAC_BFL_ENETADM)
- bgmac_warn(bgmac, "Support for ADMtek ethernet switch not implemented\n");
-
netif_napi_add(net_dev, &bgmac->napi, bgmac_poll, BGMAC_WEIGHT);
- err = bgmac_mii_register(bgmac);
+ if (!bgmac->mii_bus)
+ err = bgmac_phy_connect_direct(bgmac);
+ else
+ err = bgmac_phy_connect(bgmac);
if (err) {
- bgmac_err(bgmac, "Cannot register MDIO\n");
+ dev_err(bgmac->dev, "Cannot connect to phy\n");
goto err_dma_free;
}
@@ -1686,64 +1496,34 @@ static int bgmac_probe(struct bcma_device *core)
err = register_netdev(bgmac->net_dev);
if (err) {
- bgmac_err(bgmac, "Cannot register net device\n");
- goto err_mii_unregister;
+ dev_err(bgmac->dev, "Cannot register net device\n");
+ goto err_phy_disconnect;
}
netif_carrier_off(net_dev);
return 0;
-err_mii_unregister:
- bgmac_mii_unregister(bgmac);
+err_phy_disconnect:
+ phy_disconnect(net_dev->phydev);
err_dma_free:
bgmac_dma_free(bgmac);
-
err_netdev_free:
- bcma_set_drvdata(core, NULL);
free_netdev(net_dev);
return err;
}
+EXPORT_SYMBOL_GPL(bgmac_enet_probe);
-static void bgmac_remove(struct bcma_device *core)
+void bgmac_enet_remove(struct bgmac *bgmac)
{
- struct bgmac *bgmac = bcma_get_drvdata(core);
-
unregister_netdev(bgmac->net_dev);
- bgmac_mii_unregister(bgmac);
+ phy_disconnect(bgmac->net_dev->phydev);
netif_napi_del(&bgmac->napi);
bgmac_dma_free(bgmac);
- bcma_set_drvdata(core, NULL);
free_netdev(bgmac->net_dev);
}
-
-static struct bcma_driver bgmac_bcma_driver = {
- .name = KBUILD_MODNAME,
- .id_table = bgmac_bcma_tbl,
- .probe = bgmac_probe,
- .remove = bgmac_remove,
-};
-
-static int __init bgmac_init(void)
-{
- int err;
-
- err = bcma_driver_register(&bgmac_bcma_driver);
- if (err)
- return err;
- pr_info("Broadcom 47xx GBit MAC driver loaded\n");
-
- return 0;
-}
-
-static void __exit bgmac_exit(void)
-{
- bcma_driver_unregister(&bgmac_bcma_driver);
-}
-
-module_init(bgmac_init)
-module_exit(bgmac_exit)
+EXPORT_SYMBOL_GPL(bgmac_enet_remove);
MODULE_AUTHOR("Rafał Miłecki");
MODULE_LICENSE("GPL");