| /* |
| * 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); |
| } |