/* * 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 #include #include #include #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); }