diff options
Diffstat (limited to 'de2104x.c')
| -rw-r--r-- | de2104x.c | 783 |
1 files changed, 783 insertions, 0 deletions
diff --git a/de2104x.c b/de2104x.c new file mode 100644 index 0000000..190422f --- /dev/null +++ b/de2104x.c @@ -0,0 +1,783 @@ +/* Copyright 2001 Sun Microsystems (thockin@sun.com) */ +#include <stdio.h> +#include "internal.h" + +static const char * const csr0_tap[4] = { + "No transmit automatic polling", + "Transmit automatic polling every 200 seconds", + "Transmit automatic polling every 800 seconds", + "Transmit automatic polling every 1.6 milliseconds", +}; + +static const char * const csr0_cache_al[4] = { + "not used", + "8-longword boundary alignment", + "16-longword boundary alignment", + "32-longword boundary alignment", +}; + +static const char * const csr5_buserr[8] = { + " Bus error: parity", + " Bus error: master abort", + " Bus error: target abort", + " Bus error: (unknown code, reserved)", + " Bus error: (unknown code, reserved)", + " Bus error: (unknown code, reserved)", + " Bus error: (unknown code, reserved)", + " Bus error: (unknown code, reserved)", +}; + +static const int csr6_tx_thresh[4] = { + 72, + 96, + 128, + 160, +}; + +static const char * const csr6_om[4] = { + "normal", + "internal loopback", + "external loopback", + "unknown (not used)", +}; + +static const char * const csr5_tx_state[8] = { + "stopped", + "running: fetch desc", + "running: wait xmit end", + "running: read buf", + "unknown (reserved)", + "running: setup packet", + "suspended", + "running: close desc", +}; + +static const char * const csr5_rx_state[8] = { + "stopped", + "running: fetch desc", + "running: chk pkt end", + "running: wait for pkt", + "suspended", + "running: close", + "running: flush", + "running: queue", +}; + +static const char * const csr12_nway_state[8] = { + "Autonegotiation disable", + "Transmit disable", + "Ability detect", + "Acknowledge detect", + "Complete acknowledge", + "FLP link good, nway complete", + "Link check", + "unknown (reserved)", +}; + +static const char * const csr14_tp_comp[4] = { + "Compensation Disabled Mode", + "Compensation Disabled Mode", + "High Power Mode", + "Normal Compensation Mode", +}; + +static void +print_ring_addresses(u32 csr3, u32 csr4) +{ + fprintf(stdout, + "0x18: CSR3 (Rx Ring Base Address) 0x%08x\n" + "0x20: CSR4 (Tx Ring Base Address) 0x%08x\n" + , + csr3, + csr4); +} + +static void +print_rx_missed(u32 csr8) +{ + fprintf(stdout, + "0x40: CSR8 (Missed Frames Counter) 0x%08x\n", csr8); + if (csr8 & (1 << 16)) + fprintf(stdout, + " Counter overflow\n"); + else { + unsigned int rx_missed = csr8 & 0xffff; + if (!rx_missed) + fprintf(stdout, + " No missed frames\n"); + else + fprintf(stdout, + " %u missed frames\n", rx_missed); + } +} + +static void de21040_dump_regs(struct ethtool_drvinfo *info __maybe_unused, + struct ethtool_regs *regs) +{ + u32 tmp, v, *data = (u32 *)regs->data; + + fprintf(stdout, "21040 Registers\n"); + fprintf(stdout, "---------------\n"); + + /* + * CSR0 + */ + v = data[0]; + fprintf(stdout, + "0x00: CSR0 (Bus Mode) 0x%08x\n" + " %s\n" + " %s address space\n" + " Cache alignment: %s\n" + , + v, + csr0_tap[(v >> 17) & 3], + v & (1 << 16) ? "Diagnostic" : "Standard", + csr0_cache_al[(v >> 14) & 3]); + tmp = (v >> 8) & 0x3f; + if (tmp == 0) + fprintf(stdout, " Programmable burst length unlimited\n"); + else + fprintf(stdout, + " Programmable burst length %d longwords\n", + tmp); + fprintf(stdout, + " %s endian data buffers\n" + " Descriptor skip length %d longwords\n" + " %s bus arbitration scheme\n" + , + v & (1 << 7) ? "Big" : "Little", + (v >> 2) & 0x1f, + v & (1 << 1) ? "Round-robin" : "RX-has-priority"); + if (v & (1 << 0)) + fprintf(stdout, " Software reset asserted\n"); + + /* + * CSR3, 4 + */ + print_ring_addresses(data[3], data[4]); + + /* + * CSR5 + */ + v = data[5]; + fprintf(stdout, + "0x28: CSR5 (Status) 0x%08x\n" + "%s" + " Transmit process %s\n" + " Receive process %s\n" + " Link %s\n" + , + v, + v & (1 << 13) ? csr5_buserr[(v >> 23) & 0x7] : "", + csr5_tx_state[(v >> 20) & 0x7], + csr5_rx_state[(v >> 17) & 0x7], + v & (1 << 12) ? "fail" : "OK"); + if (v & (1 << 16)) + fprintf(stdout, + " Normal interrupts: %s%s%s\n" + , + v & (1 << 0) ? "TxOK " : "", + v & (1 << 2) ? "TxNoBufs " : "", + v & (1 << 6) ? "RxOK" : ""); + if (v & (1 << 15)) + fprintf(stdout, + " Abnormal intr: %s%s%s%s%s%s%s%s\n" + , + v & (1 << 1) ? "TxStop " : "", + v & (1 << 3) ? "TxJabber " : "", + v & (1 << 5) ? "TxUnder " : "", + v & (1 << 7) ? "RxNoBufs " : "", + v & (1 << 8) ? "RxStopped " : "", + v & (1 << 9) ? "RxTimeout " : "", + v & (1 << 10) ? "AUI_TP " : "", + v & (1 << 11) ? "FD_Short " : ""); + + /* + * CSR6 + */ + v = data[6]; + fprintf(stdout, + "0x30: CSR6 (Operating Mode) 0x%08x\n" + "%s" + "%s" + " Transmit threshold %d bytes\n" + " Transmit DMA %sabled\n" + "%s" + " Operating mode: %s\n" + " %s duplex\n" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + " Receive DMA %sabled\n" + " %s filtering mode\n" + , + v, + v & (1<<17) ? " Capture effect enabled\n" : "", + v & (1<<16) ? " Back pressure enabled\n" : "", + csr6_tx_thresh[(v >> 14) & 3], + v & (1<<13) ? "en" : "dis", + v & (1<<12) ? " Forcing collisions\n" : "", + csr6_om[(v >> 10) & 3], + v & (1<<9) ? "Full" : "Half", + v & (1<<8) ? " Flaky oscillator disable\n" : "", + v & (1<<7) ? " Pass All Multicast\n" : "", + v & (1<<6) ? " Promisc Mode\n" : "", + v & (1<<5) ? " Start/Stop Backoff Counter\n" : "", + v & (1<<4) ? " Inverse Filtering\n" : "", + v & (1<<3) ? " Pass Bad Frames\n" : "", + v & (1<<2) ? " Hash-only Filtering\n" : "", + v & (1<<1) ? "en" : "dis", + v & (1<<0) ? "Hash" : "Perfect"); + + /* + * CSR7 + */ + v = data[7]; + fprintf(stdout, + "0x38: CSR7 (Interrupt Mask) 0x%08x\n" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + , + v, + v & (1<<16) ? " Normal interrupt summary\n" : "", + v & (1<<15) ? " Abnormal interrupt summary\n" : "", + v & (1<<13) ? " System error\n" : "", + v & (1<<12) ? " Link fail\n" : "", + v & (1<<11) ? " Full duplex\n" : "", + v & (1<<10) ? " AUI_TP pin\n" : "", + v & (1<<9) ? " Receive watchdog timeout\n" : "", + v & (1<<8) ? " Receive stopped\n" : "", + v & (1<<7) ? " Receive buffer unavailable\n" : "", + v & (1<<6) ? " Receive interrupt\n" : "", + v & (1<<5) ? " Transmit underflow\n" : "", + v & (1<<3) ? " Transmit jabber timeout\n" : "", + v & (1<<2) ? " Transmit buffer unavailable\n" : "", + v & (1<<1) ? " Transmit stopped\n" : "", + v & (1<<0) ? " Transmit interrupt\n" : ""); + + /* + * CSR8 + */ + print_rx_missed(data[8]); + + /* + * CSR9 + */ + v = data[9]; + fprintf(stdout, + "0x48: CSR9 (Ethernet Address ROM) 0x%08x\n", v); + + /* + * CSR11 + */ + v = data[11]; + fprintf(stdout, + "0x58: CSR11 (Full Duplex Autoconfig) 0x%08x\n", v); + + /* + * CSR12 + */ + v = data[12]; + fprintf(stdout, + "0x60: CSR12 (SIA Status) 0x%08x\n" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + " AUI_TP pin: %s\n" + , + v, + v & (1<<7) ? " PLL sampler high\n" : "", + v & (1<<6) ? " PLL sampler low\n" : "", + v & (1<<5) ? " PLL self-test pass\n" : "", + v & (1<<4) ? " PLL self-test done\n" : "", + v & (1<<3) ? " Autopolarity state\n" : "", + v & (1<<2) ? " Link fail\n" : "", + v & (1<<1) ? " Network connection error\n" : "", + v & (1<<0) ? "AUI" : "TP"); + + /* + * CSR13 + */ + v = data[13]; + fprintf(stdout, + "0x68: CSR13 (SIA Connectivity) 0x%08x\n" + "%s" + "%s" + "%s" + "%s" + " External port output multiplexer select: %u%u%u%u\n" + "%s" + "%s" + "%s" + "%s" + " %s interface selected\n" + "%s" + "%s" + "%s" + , + v, + v & (1<<15) ? " Enable pins 5, 6, 7\n" : "", + v & (1<<14) ? " Enable pins 2, 4\n" : "", + v & (1<<13) ? " Enable pins 1, 3\n" : "", + v & (1<<12) ? " Input enable\n" : "", + v & (1<<11) ? 1 : 0, + v & (1<<10) ? 1 : 0, + v & (1<<9) ? 1 : 0, + v & (1<<8) ? 1 : 0, + v & (1<<7) ? " APLL start\n" : "", + v & (1<<6) ? " Serial interface input multiplexer\n" : "", + v & (1<<5) ? " Encoder input multiplexer\n" : "", + v & (1<<4) ? " SIA PLL external input enable\n" : "", + v & (1<<3) ? "AUI" : "10base-T", + v & (1<<2) ? " CSR autoconfiguration\n" : "", + v & (1<<1) ? " AUI_TP pin autoconfiguration\n" : "", + v & (1<<0) ? " SIA reset\n" : ""); + + /* + * CSR14 + */ + v = data[14]; + fprintf(stdout, + "0x70: CSR14 (SIA Transmit and Receive) 0x%08x\n" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + " %s\n" + "%s" + "%s" + "%s" + "%s" + , + v, + v & (1<<14) ? " Set polarity plus\n" : "", + v & (1<<13) ? " Autopolarity enable\n" : "", + v & (1<<12) ? " Link test enable\n" : "", + v & (1<<11) ? " Heartbeat enable\n" : "", + v & (1<<10) ? " Collision detect enable\n" : "", + v & (1<<9) ? " Collision squelch enable\n" : "", + v & (1<<8) ? " Receive squelch enable\n" : "", + csr14_tp_comp[(v >> 4) & 0x3], + v & (1<<3) ? " Link pulse send enable\n" : "", + v & (1<<2) ? " Driver enable\n" : "", + v & (1<<1) ? " Loopback enable\n" : "", + v & (1<<0) ? " Encoder enable\n" : ""); + + /* + * CSR15 + */ + v = data[15]; + fprintf(stdout, + "0x78: CSR15 (SIA General) 0x%08x\n" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + , + v, + v & (1<<13) ? " Force receiver low\n" : "", + v & (1<<12) ? " PLL self-test start\n" : "", + v & (1<<11) ? " Force link fail\n" : "", + v & (1<<9) ? " Force unsquelch\n" : "", + v & (1<<8) ? " Test clock\n" : "", + v & (1<<5) ? " Receive watchdog release\n" : "", + v & (1<<4) ? " Receive watchdog disable\n" : "", + v & (1<<2) ? " Jabber clock\n" : "", + v & (1<<1) ? " Host unjab\n" : "", + v & (1<<0) ? " Jabber disable\n" : ""); +} + +static void de21041_dump_regs(struct ethtool_drvinfo *info __maybe_unused, + struct ethtool_regs *regs) +{ + u32 tmp, v, *data = (u32 *)regs->data; + + fprintf(stdout, "21041 Registers\n"); + fprintf(stdout, "---------------\n"); + + /* + * CSR0 + */ + v = data[0]; + fprintf(stdout, + "0x00: CSR0 (Bus Mode) 0x%08x\n" + " %s endian descriptors\n" + " %s\n" + " %s address space\n" + " Cache alignment: %s\n" + , + v, + v & (1 << 20) ? "Big" : "Little", + csr0_tap[(v >> 17) & 3], + v & (1 << 16) ? "Diagnostic" : "Standard", + csr0_cache_al[(v >> 14) & 3]); + tmp = (v >> 8) & 0x3f; + if (tmp == 0) + fprintf(stdout, " Programmable burst length unlimited\n"); + else + fprintf(stdout, + " Programmable burst length %d longwords\n", + tmp); + fprintf(stdout, + " %s endian data buffers\n" + " Descriptor skip length %d longwords\n" + " %s bus arbitration scheme\n" + , + v & (1 << 7) ? "Big" : "Little", + (v >> 2) & 0x1f, + v & (1 << 1) ? "Round-robin" : "RX-has-priority"); + if (v & (1 << 0)) + fprintf(stdout, " Software reset asserted\n"); + + /* + * CSR3, 4 + */ + print_ring_addresses(data[3], data[4]); + + /* + * CSR5 + */ + v = data[5]; + fprintf(stdout, + "0x28: CSR5 (Status) 0x%08x\n" + "%s" + " Transmit process %s\n" + " Receive process %s\n" + " Link %s\n" + , + v, + v & (1 << 13) ? csr5_buserr[(v >> 23) & 0x7] : "", + csr5_tx_state[(v >> 20) & 0x7], + csr5_rx_state[(v >> 17) & 0x7], + v & (1 << 12) ? "fail" : "OK"); + if (v & (1 << 16)) + fprintf(stdout, + " Normal interrupts: %s%s%s%s%s\n" + , + v & (1 << 0) ? "TxOK " : "", + v & (1 << 2) ? "TxNoBufs " : "", + v & (1 << 6) ? "RxOK" : "", + v & (1 << 11) ? "TimerExp " : "", + v & (1 << 14) ? "EarlyRx " : ""); + if (v & (1 << 15)) + fprintf(stdout, + " Abnormal intr: %s%s%s%s%s%s%s\n" + , + v & (1 << 1) ? "TxStop " : "", + v & (1 << 3) ? "TxJabber " : "", + v & (1 << 4) ? "ANC " : "", + v & (1 << 5) ? "TxUnder " : "", + v & (1 << 7) ? "RxNoBufs " : "", + v & (1 << 8) ? "RxStopped " : "", + v & (1 << 9) ? "RxTimeout " : ""); + + /* + * CSR6 + */ + v = data[6]; + fprintf(stdout, + "0x30: CSR6 (Operating Mode) 0x%08x\n" + "%s" + "%s" + " Transmit threshold %d bytes\n" + " Transmit DMA %sabled\n" + "%s" + " Operating mode: %s\n" + " %s duplex\n" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + " Receive DMA %sabled\n" + " %s filtering mode\n" + , + v, + v & (1<<31) ? " Special capture effect enabled\n" : "", + v & (1<<17) ? " Capture effect enabled\n" : "", + csr6_tx_thresh[(v >> 14) & 3], + v & (1<<13) ? "en" : "dis", + v & (1<<12) ? " Forcing collisions\n" : "", + csr6_om[(v >> 10) & 3], + v & (1<<9) ? "Full" : "Half", + v & (1<<8) ? " Flaky oscillator disable\n" : "", + v & (1<<7) ? " Pass All Multicast\n" : "", + v & (1<<6) ? " Promisc Mode\n" : "", + v & (1<<5) ? " Start/Stop Backoff Counter\n" : "", + v & (1<<4) ? " Inverse Filtering\n" : "", + v & (1<<3) ? " Pass Bad Frames\n" : "", + v & (1<<2) ? " Hash-only Filtering\n" : "", + v & (1<<1) ? "en" : "dis", + v & (1<<0) ? "Hash" : "Perfect"); + + /* + * CSR7 + */ + v = data[7]; + fprintf(stdout, + "0x38: CSR7 (Interrupt Mask) 0x%08x\n" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + , + v, + v & (1<<16) ? " Normal interrupt summary\n" : "", + v & (1<<15) ? " Abnormal interrupt summary\n" : "", + v & (1<<14) ? " Early receive interrupt\n" : "", + v & (1<<13) ? " System error\n" : "", + v & (1<<12) ? " Link fail\n" : "", + v & (1<<11) ? " Timer expired\n" : "", + v & (1<<9) ? " Receive watchdog timeout\n" : "", + v & (1<<8) ? " Receive stopped\n" : "", + v & (1<<7) ? " Receive buffer unavailable\n" : "", + v & (1<<6) ? " Receive interrupt\n" : "", + v & (1<<5) ? " Transmit underflow\n" : "", + v & (1<<4) ? " Link pass\n" : "", + v & (1<<3) ? " Transmit jabber timeout\n" : "", + v & (1<<2) ? " Transmit buffer unavailable\n" : "", + v & (1<<1) ? " Transmit stopped\n" : "", + v & (1<<0) ? " Transmit interrupt\n" : ""); + + /* + * CSR8 + */ + print_rx_missed(data[8]); + + /* + * CSR9 + */ + v = data[9]; + fprintf(stdout, + "0x48: CSR9 (Boot and Ethernet ROMs) 0x%08x\n" + " Select bits: %s%s%s%s%s%s\n" + " Data: %d%d%d%d%d%d%d%d\n" + , + v, + v & (1<<15) ? "Mode " : "", + v & (1<<14) ? "Read " : "", + v & (1<<13) ? "Write " : "", + v & (1<<12) ? "BootROM " : "", + v & (1<<11) ? "SROM " : "", + v & (1<<10) ? "ExtReg " : "", + v & (1<<7) ? 1 : 0, + v & (1<<6) ? 1 : 0, + v & (1<<5) ? 1 : 0, + v & (1<<4) ? 1 : 0, + v & (1<<3) ? 1 : 0, + v & (1<<2) ? 1 : 0, + v & (1<<1) ? 1 : 0, + v & (1<<0) ? 1 : 0); + + /* + * CSR10 + */ + v = data[10]; + fprintf(stdout, + "0x50: CSR10 (Boot ROM Address) 0x%08x\n", v); + + /* + * CSR11 + */ + v = data[11]; + fprintf(stdout, + "0x58: CSR11 (General Purpose Timer) 0x%08x\n" + "%s" + " Timer value: %u cycles\n" + , + v, + v & (1<<16) ? " Continuous mode\n" : "", + v & 0xffff); + + /* + * CSR12 + */ + v = data[12]; + fprintf(stdout, + "0x60: CSR12 (SIA Status) 0x%08x\n" + " Link partner code word 0x%04x\n" + "%s" + " NWay state: %s\n" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + , + v, + v >> 16, + v & (1<<15) ? " Link partner negotiable\n" : "", + csr12_nway_state[(v >> 12) & 0x7], + v & (1<<11) ? " Transmit remote fault\n" : "", + v & (1<<10) ? " Unstable NLP detected\n" : "", + v & (1<<9) ? " Non-selected port receive activity\n" : "", + v & (1<<8) ? " Selected port receive activity\n" : "", + v & (1<<7) ? " PLL sampler high\n" : "", + v & (1<<6) ? " PLL sampler low\n" : "", + v & (1<<5) ? " PLL self-test pass\n" : "", + v & (1<<4) ? " PLL self-test done\n" : "", + v & (1<<3) ? " Autopolarity state\n" : "", + v & (1<<2) ? " Link fail\n" : "", + v & (1<<1) ? " Network connection error\n" : ""); + + /* + * CSR13 + */ + v = data[13]; + fprintf(stdout, + "0x68: CSR13 (SIA Connectivity) 0x%08x\n" + " SIA Diagnostic Mode 0x%04x\n" + " %s\n" + "%s" + "%s" + , + v, + (v >> 4) & 0xfff, + v & (1<<3) ? "AUI/BNC port" : "10base-T port", + v & (1<<2) ? " CSR autoconfiguration enabled\n" : "", + v & (1<<0) ? " SIA register reset asserted\n" : ""); + + /* + * CSR14 + */ + v = data[14]; + fprintf(stdout, + "0x70: CSR14 (SIA Transmit and Receive) 0x%08x\n" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + " %s\n" + "%s" + "%s" + "%s" + "%s" + , + v, + v & (1<<15) ? " 10base-T/AUI autosensing\n" : "", + v & (1<<14) ? " Set polarity plus\n" : "", + v & (1<<13) ? " Autopolarity enable\n" : "", + v & (1<<12) ? " Link test enable\n" : "", + v & (1<<11) ? " Heartbeat enable\n" : "", + v & (1<<10) ? " Collision detect enable\n" : "", + v & (1<<9) ? " Collision squelch enable\n" : "", + v & (1<<8) ? " Receive squelch enable\n" : "", + v & (1<<7) ? " Autonegotiation enable\n" : "", + v & (1<<6) ? " Must Be One\n" : "", + csr14_tp_comp[(v >> 4) & 0x3], + v & (1<<3) ? " Link pulse send enable\n" : "", + v & (1<<2) ? " Driver enable\n" : "", + v & (1<<1) ? " Loopback enable\n" : "", + v & (1<<0) ? " Encoder enable\n" : ""); + + /* + * CSR15 + */ + v = data[15]; + fprintf(stdout, + "0x78: CSR15 (SIA General) 0x%08x\n" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + "%s" + " %s port selected\n" + "%s" + "%s" + "%s" + , + v, + v & (1<<15) ? " GP LED2 on\n" : "", + v & (1<<14) ? " GP LED2 enable\n" : "", + v & (1<<13) ? " Force receiver low\n" : "", + v & (1<<12) ? " PLL self-test start\n" : "", + v & (1<<11) ? " LED stretch disable\n" : "", + v & (1<<10) ? " Force link fail\n" : "", + v & (1<<9) ? " Force unsquelch\n" : "", + v & (1<<8) ? " Test clock\n" : "", + v & (1<<7) ? " GP LED1 on\n" : "", + v & (1<<6) ? " GP LED1 enable\n" : "", + v & (1<<5) ? " Receive watchdog release\n" : "", + v & (1<<4) ? " Receive watchdog disable\n" : "", + v & (1<<3) ? "AUI" : "BNC", + v & (1<<2) ? " Jabber clock\n" : "", + v & (1<<1) ? " Host unjab\n" : "", + v & (1<<0) ? " Jabber disable\n" : ""); +} + +int +de2104x_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs) +{ + unsigned int de21040 = regs->version & 1; + + if (de21040) + de21040_dump_regs(info, regs); + else + de21041_dump_regs(info, regs); + + return 0; +} + |