225 lines
8.0 KiB
C
225 lines
8.0 KiB
C
/*
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* ibm_ocp_debug.c
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*
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* This has all the debug routines that where in *_enet.c
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*
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* Armin Kuster akuster@mvista.com
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* April , 2002
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*
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* Copyright 2002 MontaVista Softare Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <linux/config.h>
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#include <linux/kernel.h>
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#include <linux/netdevice.h>
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#include <asm/io.h>
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#include "ibm_ocp_mal.h"
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#include "ibm_ocp_zmii.h"
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#include "ibm_ocp_enet.h"
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extern int emac_phy_read(struct net_device *dev, int mii_id, int reg);
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void emac_phy_dump(struct net_device *dev)
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{
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struct ocp_enet_private *fep = dev->priv;
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unsigned long i;
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uint data;
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printk(KERN_DEBUG " Prepare for Phy dump....\n");
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for (i = 0; i < 0x1A; i++) {
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data = emac_phy_read(dev, fep->mii_phy_addr, i);
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printk(KERN_DEBUG "Phy reg 0x%lx ==> %4x\n", i, data);
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if (i == 0x07)
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i = 0x0f;
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}
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}
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void emac_desc_dump(struct net_device *dev)
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{
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struct ocp_enet_private *fep = dev->priv;
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int curr_slot;
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printk(KERN_DEBUG
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"dumping the receive descriptors: current slot is %d\n",
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fep->rx_slot);
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for (curr_slot = 0; curr_slot < NUM_RX_BUFF; curr_slot++) {
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printk(KERN_DEBUG
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"Desc %02d: status 0x%04x, length %3d, addr 0x%x\n",
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curr_slot, fep->rx_desc[curr_slot].ctrl,
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fep->rx_desc[curr_slot].data_len,
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(unsigned int)fep->rx_desc[curr_slot].data_ptr);
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}
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}
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void emac_mac_dump(struct net_device *dev)
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{
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struct ocp_enet_private *fep = dev->priv;
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volatile emac_t *emacp = fep->emacp;
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printk(KERN_DEBUG "EMAC DEBUG ********** \n");
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printk(KERN_DEBUG "EMAC_M0 ==> 0x%x\n", in_be32(&emacp->em0mr0));
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printk(KERN_DEBUG "EMAC_M1 ==> 0x%x\n", in_be32(&emacp->em0mr1));
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printk(KERN_DEBUG "EMAC_TXM0==> 0x%x\n", in_be32(&emacp->em0tmr0));
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printk(KERN_DEBUG "EMAC_TXM1==> 0x%x\n", in_be32(&emacp->em0tmr1));
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printk(KERN_DEBUG "EMAC_RXM ==> 0x%x\n", in_be32(&emacp->em0rmr));
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printk(KERN_DEBUG "EMAC_ISR ==> 0x%x\n", in_be32(&emacp->em0isr));
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printk(KERN_DEBUG "EMAC_IER ==> 0x%x\n", in_be32(&emacp->em0iser));
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printk(KERN_DEBUG "EMAC_IAH ==> 0x%x\n", in_be32(&emacp->em0iahr));
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printk(KERN_DEBUG "EMAC_IAL ==> 0x%x\n", in_be32(&emacp->em0ialr));
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printk(KERN_DEBUG "EMAC_VLAN_TPID_REG ==> 0x%x\n",
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in_be32(&emacp->em0vtpid));
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}
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void emac_mal_dump(struct net_device *dev)
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{
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struct ibm_ocp_mal *mal = ((struct ocp_enet_private *)dev->priv)->mal;
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printk(KERN_DEBUG " MAL DEBUG ********** \n");
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printk(KERN_DEBUG " MCR ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALCR));
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printk(KERN_DEBUG " ESR ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALESR));
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printk(KERN_DEBUG " IER ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALIER));
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#ifdef CONFIG_40x
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printk(KERN_DEBUG " DBR ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALDBR));
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#endif /* CONFIG_40x */
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printk(KERN_DEBUG " TXCASR ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALTXCASR));
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printk(KERN_DEBUG " TXCARR ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALTXCARR));
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printk(KERN_DEBUG " TXEOBISR ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALTXEOBISR));
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printk(KERN_DEBUG " TXDEIR ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALTXDEIR));
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printk(KERN_DEBUG " RXCASR ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALRXCASR));
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printk(KERN_DEBUG " RXCARR ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALRXCARR));
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printk(KERN_DEBUG " RXEOBISR ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALRXEOBISR));
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printk(KERN_DEBUG " RXDEIR ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALRXDEIR));
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printk(KERN_DEBUG " TXCTP0R ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALTXCTP0R));
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printk(KERN_DEBUG " TXCTP1R ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALTXCTP1R));
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printk(KERN_DEBUG " TXCTP2R ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALTXCTP2R));
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printk(KERN_DEBUG " TXCTP3R ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALTXCTP3R));
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printk(KERN_DEBUG " RXCTP0R ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALRXCTP0R));
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printk(KERN_DEBUG " RXCTP1R ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALRXCTP1R));
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printk(KERN_DEBUG " RCBS0 ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALRCBS0));
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printk(KERN_DEBUG " RCBS1 ==> 0x%x\n",
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(unsigned int)get_mal_dcrn(mal, DCRN_MALRCBS1));
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}
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void emac_serr_dump_0(struct net_device *dev)
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{
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struct ibm_ocp_mal *mal = ((struct ocp_enet_private *)dev->priv)->mal;
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unsigned long int mal_error, plb_error, plb_addr;
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mal_error = get_mal_dcrn(mal, DCRN_MALESR);
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printk(KERN_DEBUG "ppc405_eth_serr: %s channel %ld \n",
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(mal_error & 0x40000000) ? "Receive" :
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"Transmit", (mal_error & 0x3e000000) >> 25);
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printk(KERN_DEBUG " ----- latched error -----\n");
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if (mal_error & MALESR_DE)
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printk(KERN_DEBUG " DE: descriptor error\n");
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if (mal_error & MALESR_OEN)
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printk(KERN_DEBUG " ONE: OPB non-fullword error\n");
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if (mal_error & MALESR_OTE)
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printk(KERN_DEBUG " OTE: OPB timeout error\n");
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if (mal_error & MALESR_OSE)
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printk(KERN_DEBUG " OSE: OPB slave error\n");
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if (mal_error & MALESR_PEIN) {
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plb_error = mfdcr(DCRN_PLB0_BESR);
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printk(KERN_DEBUG
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" PEIN: PLB error, PLB0_BESR is 0x%x\n",
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(unsigned int)plb_error);
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plb_addr = mfdcr(DCRN_PLB0_BEAR);
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printk(KERN_DEBUG
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" PEIN: PLB error, PLB0_BEAR is 0x%x\n",
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(unsigned int)plb_addr);
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}
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}
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void emac_serr_dump_1(struct net_device *dev)
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{
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struct ibm_ocp_mal *mal = ((struct ocp_enet_private *)dev->priv)->mal;
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int mal_error = get_mal_dcrn(mal, DCRN_MALESR);
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printk(KERN_DEBUG " ----- cumulative errors -----\n");
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if (mal_error & MALESR_DEI)
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printk(KERN_DEBUG " DEI: descriptor error interrupt\n");
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if (mal_error & MALESR_ONEI)
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printk(KERN_DEBUG " OPB non-fullword error interrupt\n");
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if (mal_error & MALESR_OTEI)
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printk(KERN_DEBUG " OTEI: timeout error interrupt\n");
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if (mal_error & MALESR_OSEI)
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printk(KERN_DEBUG " OSEI: slave error interrupt\n");
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if (mal_error & MALESR_PBEI)
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printk(KERN_DEBUG " PBEI: PLB bus error interrupt\n");
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}
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void emac_err_dump(struct net_device *dev, int em0isr)
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{
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printk(KERN_DEBUG "%s: on-chip ethernet error:\n", dev->name);
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if (em0isr & EMAC_ISR_OVR)
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printk(KERN_DEBUG " OVR: overrun\n");
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if (em0isr & EMAC_ISR_PP)
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printk(KERN_DEBUG " PP: control pause packet\n");
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if (em0isr & EMAC_ISR_BP)
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printk(KERN_DEBUG " BP: packet error\n");
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if (em0isr & EMAC_ISR_RP)
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printk(KERN_DEBUG " RP: runt packet\n");
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if (em0isr & EMAC_ISR_SE)
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printk(KERN_DEBUG " SE: short event\n");
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if (em0isr & EMAC_ISR_ALE)
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printk(KERN_DEBUG " ALE: odd number of nibbles in packet\n");
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if (em0isr & EMAC_ISR_BFCS)
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printk(KERN_DEBUG " BFCS: bad FCS\n");
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if (em0isr & EMAC_ISR_PTLE)
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printk(KERN_DEBUG " PTLE: oversized packet\n");
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if (em0isr & EMAC_ISR_ORE)
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printk(KERN_DEBUG
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" ORE: packet length field > max allowed LLC\n");
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if (em0isr & EMAC_ISR_IRE)
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printk(KERN_DEBUG " IRE: In Range error\n");
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if (em0isr & EMAC_ISR_DBDM)
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printk(KERN_DEBUG " DBDM: xmit error or SQE\n");
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if (em0isr & EMAC_ISR_DB0)
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printk(KERN_DEBUG " DB0: xmit error or SQE on TX channel 0\n");
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if (em0isr & EMAC_ISR_SE0)
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printk(KERN_DEBUG
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" SE0: Signal Quality Error test failure from TX channel 0\n");
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if (em0isr & EMAC_ISR_TE0)
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printk(KERN_DEBUG " TE0: xmit channel 0 aborted\n");
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if (em0isr & EMAC_ISR_DB1)
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printk(KERN_DEBUG " DB1: xmit error or SQE on TX channel \n");
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if (em0isr & EMAC_ISR_SE1)
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printk(KERN_DEBUG
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" SE1: Signal Quality Error test failure from TX channel 1\n");
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if (em0isr & EMAC_ISR_TE1)
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printk(KERN_DEBUG " TE1: xmit channel 1 aborted\n");
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if (em0isr & EMAC_ISR_MOS)
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printk(KERN_DEBUG " MOS\n");
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if (em0isr & EMAC_ISR_MOF)
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printk(KERN_DEBUG " MOF\n");
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emac_mac_dump(dev);
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emac_mal_dump(dev);
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}
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