diff options
Diffstat (limited to 'drivers/net/ibm_emac/ibm_emac_debug.c')
| -rw-r--r-- | drivers/net/ibm_emac/ibm_emac_debug.c | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/drivers/net/ibm_emac/ibm_emac_debug.c b/drivers/net/ibm_emac/ibm_emac_debug.c new file mode 100644 index 000000000000..c8512046cf84 --- /dev/null +++ b/drivers/net/ibm_emac/ibm_emac_debug.c @@ -0,0 +1,224 @@ +/* + * ibm_ocp_debug.c + * + * This has all the debug routines that where in *_enet.c + * + * Armin Kuster akuster@mvista.com + * April , 2002 + * + * 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/config.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> +#include <asm/io.h> +#include "ibm_ocp_mal.h" +#include "ibm_ocp_zmii.h" +#include "ibm_ocp_enet.h" + +extern int emac_phy_read(struct net_device *dev, int mii_id, int reg); + +void emac_phy_dump(struct net_device *dev) +{ + struct ocp_enet_private *fep = dev->priv; + unsigned long i; + uint data; + + printk(KERN_DEBUG " Prepare for Phy dump....\n"); + for (i = 0; i < 0x1A; i++) { + data = emac_phy_read(dev, fep->mii_phy_addr, i); + printk(KERN_DEBUG "Phy reg 0x%lx ==> %4x\n", i, data); + if (i == 0x07) + i = 0x0f; + } +} + +void emac_desc_dump(struct net_device *dev) +{ + struct ocp_enet_private *fep = dev->priv; + int curr_slot; + + printk(KERN_DEBUG + "dumping the receive descriptors: current slot is %d\n", + fep->rx_slot); + for (curr_slot = 0; curr_slot < NUM_RX_BUFF; curr_slot++) { + printk(KERN_DEBUG + "Desc %02d: status 0x%04x, length %3d, addr 0x%x\n", + curr_slot, fep->rx_desc[curr_slot].ctrl, + fep->rx_desc[curr_slot].data_len, + (unsigned int)fep->rx_desc[curr_slot].data_ptr); + } +} + +void emac_mac_dump(struct net_device *dev) +{ + struct ocp_enet_private *fep = dev->priv; + volatile emac_t *emacp = fep->emacp; + + printk(KERN_DEBUG "EMAC DEBUG ********** \n"); + printk(KERN_DEBUG "EMAC_M0 ==> 0x%x\n", in_be32(&emacp->em0mr0)); + printk(KERN_DEBUG "EMAC_M1 ==> 0x%x\n", in_be32(&emacp->em0mr1)); + printk(KERN_DEBUG "EMAC_TXM0==> 0x%x\n", in_be32(&emacp->em0tmr0)); + printk(KERN_DEBUG "EMAC_TXM1==> 0x%x\n", in_be32(&emacp->em0tmr1)); + printk(KERN_DEBUG "EMAC_RXM ==> 0x%x\n", in_be32(&emacp->em0rmr)); + printk(KERN_DEBUG "EMAC_ISR ==> 0x%x\n", in_be32(&emacp->em0isr)); + printk(KERN_DEBUG "EMAC_IER ==> 0x%x\n", in_be32(&emacp->em0iser)); + printk(KERN_DEBUG "EMAC_IAH ==> 0x%x\n", in_be32(&emacp->em0iahr)); + printk(KERN_DEBUG "EMAC_IAL ==> 0x%x\n", in_be32(&emacp->em0ialr)); + printk(KERN_DEBUG "EMAC_VLAN_TPID_REG ==> 0x%x\n", + in_be32(&emacp->em0vtpid)); +} + +void emac_mal_dump(struct net_device *dev) +{ + struct ibm_ocp_mal *mal = ((struct ocp_enet_private *)dev->priv)->mal; + + printk(KERN_DEBUG " MAL DEBUG ********** \n"); + printk(KERN_DEBUG " MCR ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALCR)); + printk(KERN_DEBUG " ESR ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALESR)); + printk(KERN_DEBUG " IER ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALIER)); +#ifdef CONFIG_40x + printk(KERN_DEBUG " DBR ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALDBR)); +#endif /* CONFIG_40x */ + printk(KERN_DEBUG " TXCASR ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALTXCASR)); + printk(KERN_DEBUG " TXCARR ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALTXCARR)); + printk(KERN_DEBUG " TXEOBISR ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALTXEOBISR)); + printk(KERN_DEBUG " TXDEIR ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALTXDEIR)); + printk(KERN_DEBUG " RXCASR ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALRXCASR)); + printk(KERN_DEBUG " RXCARR ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALRXCARR)); + printk(KERN_DEBUG " RXEOBISR ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALRXEOBISR)); + printk(KERN_DEBUG " RXDEIR ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALRXDEIR)); + printk(KERN_DEBUG " TXCTP0R ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALTXCTP0R)); + printk(KERN_DEBUG " TXCTP1R ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALTXCTP1R)); + printk(KERN_DEBUG " TXCTP2R ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALTXCTP2R)); + printk(KERN_DEBUG " TXCTP3R ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALTXCTP3R)); + printk(KERN_DEBUG " RXCTP0R ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALRXCTP0R)); + printk(KERN_DEBUG " RXCTP1R ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALRXCTP1R)); + printk(KERN_DEBUG " RCBS0 ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALRCBS0)); + printk(KERN_DEBUG " RCBS1 ==> 0x%x\n", + (unsigned int)get_mal_dcrn(mal, DCRN_MALRCBS1)); +} + +void emac_serr_dump_0(struct net_device *dev) +{ + struct ibm_ocp_mal *mal = ((struct ocp_enet_private *)dev->priv)->mal; + unsigned long int mal_error, plb_error, plb_addr; + + mal_error = get_mal_dcrn(mal, DCRN_MALESR); + printk(KERN_DEBUG "ppc405_eth_serr: %s channel %ld \n", + (mal_error & 0x40000000) ? "Receive" : + "Transmit", (mal_error & 0x3e000000) >> 25); + printk(KERN_DEBUG " ----- latched error -----\n"); + if (mal_error & MALESR_DE) + printk(KERN_DEBUG " DE: descriptor error\n"); + if (mal_error & MALESR_OEN) + printk(KERN_DEBUG " ONE: OPB non-fullword error\n"); + if (mal_error & MALESR_OTE) + printk(KERN_DEBUG " OTE: OPB timeout error\n"); + if (mal_error & MALESR_OSE) + printk(KERN_DEBUG " OSE: OPB slave error\n"); + + if (mal_error & MALESR_PEIN) { + plb_error = mfdcr(DCRN_PLB0_BESR); + printk(KERN_DEBUG + " PEIN: PLB error, PLB0_BESR is 0x%x\n", + (unsigned int)plb_error); + plb_addr = mfdcr(DCRN_PLB0_BEAR); + printk(KERN_DEBUG + " PEIN: PLB error, PLB0_BEAR is 0x%x\n", + (unsigned int)plb_addr); + } +} + +void emac_serr_dump_1(struct net_device *dev) +{ + struct ibm_ocp_mal *mal = ((struct ocp_enet_private *)dev->priv)->mal; + int mal_error = get_mal_dcrn(mal, DCRN_MALESR); + + printk(KERN_DEBUG " ----- cumulative errors -----\n"); + if (mal_error & MALESR_DEI) + printk(KERN_DEBUG " DEI: descriptor error interrupt\n"); + if (mal_error & MALESR_ONEI) + printk(KERN_DEBUG " OPB non-fullword error interrupt\n"); + if (mal_error & MALESR_OTEI) + printk(KERN_DEBUG " OTEI: timeout error interrupt\n"); + if (mal_error & MALESR_OSEI) + printk(KERN_DEBUG " OSEI: slave error interrupt\n"); + if (mal_error & MALESR_PBEI) + printk(KERN_DEBUG " PBEI: PLB bus error interrupt\n"); +} + +void emac_err_dump(struct net_device *dev, int em0isr) +{ + printk(KERN_DEBUG "%s: on-chip ethernet error:\n", dev->name); + + if (em0isr & EMAC_ISR_OVR) + printk(KERN_DEBUG " OVR: overrun\n"); + if (em0isr & EMAC_ISR_PP) + printk(KERN_DEBUG " PP: control pause packet\n"); + if (em0isr & EMAC_ISR_BP) + printk(KERN_DEBUG " BP: packet error\n"); + if (em0isr & EMAC_ISR_RP) + printk(KERN_DEBUG " RP: runt packet\n"); + if (em0isr & EMAC_ISR_SE) + printk(KERN_DEBUG " SE: short event\n"); + if (em0isr & EMAC_ISR_ALE) + printk(KERN_DEBUG " ALE: odd number of nibbles in packet\n"); + if (em0isr & EMAC_ISR_BFCS) + printk(KERN_DEBUG " BFCS: bad FCS\n"); + if (em0isr & EMAC_ISR_PTLE) + printk(KERN_DEBUG " PTLE: oversized packet\n"); + if (em0isr & EMAC_ISR_ORE) + printk(KERN_DEBUG + " ORE: packet length field > max allowed LLC\n"); + if (em0isr & EMAC_ISR_IRE) + printk(KERN_DEBUG " IRE: In Range error\n"); + if (em0isr & EMAC_ISR_DBDM) + printk(KERN_DEBUG " DBDM: xmit error or SQE\n"); + if (em0isr & EMAC_ISR_DB0) + printk(KERN_DEBUG " DB0: xmit error or SQE on TX channel 0\n"); + if (em0isr & EMAC_ISR_SE0) + printk(KERN_DEBUG + " SE0: Signal Quality Error test failure from TX channel 0\n"); + if (em0isr & EMAC_ISR_TE0) + printk(KERN_DEBUG " TE0: xmit channel 0 aborted\n"); + if (em0isr & EMAC_ISR_DB1) + printk(KERN_DEBUG " DB1: xmit error or SQE on TX channel \n"); + if (em0isr & EMAC_ISR_SE1) + printk(KERN_DEBUG + " SE1: Signal Quality Error test failure from TX channel 1\n"); + if (em0isr & EMAC_ISR_TE1) + printk(KERN_DEBUG " TE1: xmit channel 1 aborted\n"); + if (em0isr & EMAC_ISR_MOS) + printk(KERN_DEBUG " MOS\n"); + if (em0isr & EMAC_ISR_MOF) + printk(KERN_DEBUG " MOF\n"); + + emac_mac_dump(dev); + emac_mal_dump(dev); +} |