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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:52 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:52 +0000 |
commit | ca67b09c015d4af3ae3cce12aa72e60941dbb8b5 (patch) | |
tree | b7316d7b06c373e08dabb79a2c866c568e08f49e /debian/grub-extras/disabled/gpxe/src/drivers/net/3c595.c | |
parent | Adding upstream version 2.06. (diff) | |
download | grub2-ca67b09c015d4af3ae3cce12aa72e60941dbb8b5.tar.xz grub2-ca67b09c015d4af3ae3cce12aa72e60941dbb8b5.zip |
Adding debian version 2.06-13+deb12u1.debian/2.06-13+deb12u1debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/grub-extras/disabled/gpxe/src/drivers/net/3c595.c')
-rw-r--r-- | debian/grub-extras/disabled/gpxe/src/drivers/net/3c595.c | 553 |
1 files changed, 553 insertions, 0 deletions
diff --git a/debian/grub-extras/disabled/gpxe/src/drivers/net/3c595.c b/debian/grub-extras/disabled/gpxe/src/drivers/net/3c595.c new file mode 100644 index 0000000..07c85d0 --- /dev/null +++ b/debian/grub-extras/disabled/gpxe/src/drivers/net/3c595.c @@ -0,0 +1,553 @@ +/* +* 3c595.c -- 3COM 3C595 Fast Etherlink III PCI driver for etherboot +* +* Copyright (C) 2000 Shusuke Nisiyama <shu@athena.qe.eng.hokudai.ac.jp> +* All rights reserved. +* Mar. 14, 2000 +* +* This software may be used, modified, copied, distributed, and sold, in +* both source and binary form provided that the above copyright and these +* terms are retained. Under no circumstances are the authors responsible for +* the proper functioning of this software, nor do the authors assume any +* responsibility for damages incurred with its use. +* +* This code is based on Martin Renters' etherboot-4.4.3 3c509.c and +* Herb Peyerl's FreeBSD 3.4-RELEASE if_vx.c driver. +* +* Copyright (C) 1993-1994, David Greenman, Martin Renters. +* Copyright (C) 1993-1995, Andres Vega Garcia. +* Copyright (C) 1995, Serge Babkin. +* +* Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca> +* +* timlegge 08-24-2003 Add Multicast Support +*/ + +FILE_LICENCE ( BSD2 ); + +/* #define EDEBUG */ + +#include "etherboot.h" +#include "nic.h" +#include <gpxe/pci.h> +#include <gpxe/ethernet.h> +#include "3c595.h" + +static struct nic_operations t595_operations; + +static unsigned short eth_nic_base; +static unsigned short vx_connector, vx_connectors; + +static struct connector_entry { + int bit; + char *name; +} conn_tab[VX_CONNECTORS] = { +#define CONNECTOR_UTP 0 + { 0x08, "utp"}, +#define CONNECTOR_AUI 1 + { 0x20, "aui"}, +/* dummy */ + { 0, "???"}, +#define CONNECTOR_BNC 3 + { 0x10, "bnc"}, +#define CONNECTOR_TX 4 + { 0x02, "tx"}, +#define CONNECTOR_FX 5 + { 0x04, "fx"}, +#define CONNECTOR_MII 6 + { 0x40, "mii"}, + { 0, "???"} +}; + +static void vxgetlink(void); +static void vxsetlink(void); + +/************************************************************************** +ETH_RESET - Reset adapter +***************************************************************************/ +static void t595_reset(struct nic *nic) +{ + int i; + + /*********************************************************** + Reset 3Com 595 card + *************************************************************/ + + /* stop card */ + outw(RX_DISABLE, BASE + VX_COMMAND); + outw(RX_DISCARD_TOP_PACK, BASE + VX_COMMAND); + VX_BUSY_WAIT; + outw(TX_DISABLE, BASE + VX_COMMAND); + outw(STOP_TRANSCEIVER, BASE + VX_COMMAND); + udelay(8000); + outw(RX_RESET, BASE + VX_COMMAND); + VX_BUSY_WAIT; + outw(TX_RESET, BASE + VX_COMMAND); + VX_BUSY_WAIT; + outw(C_INTR_LATCH, BASE + VX_COMMAND); + outw(SET_RD_0_MASK, BASE + VX_COMMAND); + outw(SET_INTR_MASK, BASE + VX_COMMAND); + outw(SET_RX_FILTER, BASE + VX_COMMAND); + + /* + * initialize card + */ + VX_BUSY_WAIT; + + GO_WINDOW(0); + + /* Disable the card */ +/* outw(0, BASE + VX_W0_CONFIG_CTRL); */ + + /* Configure IRQ to none */ +/* outw(SET_IRQ(0), BASE + VX_W0_RESOURCE_CFG); */ + + /* Enable the card */ +/* outw(ENABLE_DRQ_IRQ, BASE + VX_W0_CONFIG_CTRL); */ + + GO_WINDOW(2); + + /* Reload the ether_addr. */ + for (i = 0; i < ETH_ALEN; i++) + outb(nic->node_addr[i], BASE + VX_W2_ADDR_0 + i); + + outw(RX_RESET, BASE + VX_COMMAND); + VX_BUSY_WAIT; + outw(TX_RESET, BASE + VX_COMMAND); + VX_BUSY_WAIT; + + /* Window 1 is operating window */ + GO_WINDOW(1); + for (i = 0; i < 31; i++) + inb(BASE + VX_W1_TX_STATUS); + + outw(SET_RD_0_MASK | S_CARD_FAILURE | S_RX_COMPLETE | + S_TX_COMPLETE | S_TX_AVAIL, BASE + VX_COMMAND); + outw(SET_INTR_MASK | S_CARD_FAILURE | S_RX_COMPLETE | + S_TX_COMPLETE | S_TX_AVAIL, BASE + VX_COMMAND); + +/* + * Attempt to get rid of any stray interrupts that occured during + * configuration. On the i386 this isn't possible because one may + * already be queued. However, a single stray interrupt is + * unimportant. + */ + + outw(ACK_INTR | 0xff, BASE + VX_COMMAND); + + outw(SET_RX_FILTER | FIL_INDIVIDUAL | + FIL_BRDCST|FIL_MULTICAST, BASE + VX_COMMAND); + + vxsetlink(); +/*{ + int i,j; + i = CONNECTOR_TX; + GO_WINDOW(3); + j = inl(BASE + VX_W3_INTERNAL_CFG) & ~INTERNAL_CONNECTOR_MASK; + outl(BASE + VX_W3_INTERNAL_CFG, j | (i <<INTERNAL_CONNECTOR_BITS)); + GO_WINDOW(4); + outw(LINKBEAT_ENABLE, BASE + VX_W4_MEDIA_TYPE); + GO_WINDOW(1); +}*/ + + /* start tranciever and receiver */ + outw(RX_ENABLE, BASE + VX_COMMAND); + outw(TX_ENABLE, BASE + VX_COMMAND); + +} + +/************************************************************************** +ETH_TRANSMIT - Transmit a frame +***************************************************************************/ +static char padmap[] = { + 0, 3, 2, 1}; + +static void t595_transmit( +struct nic *nic, +const char *d, /* Destination */ +unsigned int t, /* Type */ +unsigned int s, /* size */ +const char *p) /* Packet */ +{ + register int len; + int pad; + int status; + +#ifdef EDEBUG + printf("{l=%d,t=%hX}",s+ETH_HLEN,t); +#endif + + /* swap bytes of type */ + t= htons(t); + + len=s+ETH_HLEN; /* actual length of packet */ + pad = padmap[len & 3]; + + /* + * The 3c595 automatically pads short packets to minimum ethernet length, + * but we drop packets that are too large. Perhaps we should truncate + * them instead? + */ + if (len + pad > ETH_FRAME_LEN) { + return; + } + + /* drop acknowledgements */ + while(( status=inb(BASE + VX_W1_TX_STATUS) )& TXS_COMPLETE ) { + if(status & (TXS_UNDERRUN|TXS_MAX_COLLISION|TXS_STATUS_OVERFLOW)) { + outw(TX_RESET, BASE + VX_COMMAND); + outw(TX_ENABLE, BASE + VX_COMMAND); + } + + outb(0x0, BASE + VX_W1_TX_STATUS); + } + + while (inw(BASE + VX_W1_FREE_TX) < len + pad + 4) { + /* no room in FIFO */ + } + + outw(len, BASE + VX_W1_TX_PIO_WR_1); + outw(0x0, BASE + VX_W1_TX_PIO_WR_1); /* Second dword meaningless */ + + /* write packet */ + outsw(BASE + VX_W1_TX_PIO_WR_1, d, ETH_ALEN/2); + outsw(BASE + VX_W1_TX_PIO_WR_1, nic->node_addr, ETH_ALEN/2); + outw(t, BASE + VX_W1_TX_PIO_WR_1); + outsw(BASE + VX_W1_TX_PIO_WR_1, p, s / 2); + if (s & 1) + outb(*(p+s - 1), BASE + VX_W1_TX_PIO_WR_1); + + while (pad--) + outb(0, BASE + VX_W1_TX_PIO_WR_1); /* Padding */ + + /* wait for Tx complete */ + while((inw(BASE + VX_STATUS) & S_COMMAND_IN_PROGRESS) != 0) + ; +} + +/************************************************************************** +ETH_POLL - Wait for a frame +***************************************************************************/ +static int t595_poll(struct nic *nic, int retrieve) +{ + /* common variables */ + /* variables for 3C595 */ + short status, cst; + register short rx_fifo; + + cst=inw(BASE + VX_STATUS); + +#ifdef EDEBUG + if(cst & 0x1FFF) + printf("-%hX-",cst); +#endif + + if( (cst & S_RX_COMPLETE)==0 ) { + /* acknowledge everything */ + outw(ACK_INTR | cst, BASE + VX_COMMAND); + outw(C_INTR_LATCH, BASE + VX_COMMAND); + + return 0; + } + + status = inw(BASE + VX_W1_RX_STATUS); +#ifdef EDEBUG + printf("*%hX*",status); +#endif + + if (status & ERR_RX) { + outw(RX_DISCARD_TOP_PACK, BASE + VX_COMMAND); + return 0; + } + + rx_fifo = status & RX_BYTES_MASK; + if (rx_fifo==0) + return 0; + + if ( ! retrieve ) return 1; + + /* read packet */ +#ifdef EDEBUG + printf("[l=%d",rx_fifo); +#endif + insw(BASE + VX_W1_RX_PIO_RD_1, nic->packet, rx_fifo / 2); + if(rx_fifo & 1) + nic->packet[rx_fifo-1]=inb(BASE + VX_W1_RX_PIO_RD_1); + nic->packetlen=rx_fifo; + + while(1) { + status = inw(BASE + VX_W1_RX_STATUS); +#ifdef EDEBUG + printf("*%hX*",status); +#endif + rx_fifo = status & RX_BYTES_MASK; + + if(rx_fifo>0) { + insw(BASE + VX_W1_RX_PIO_RD_1, nic->packet+nic->packetlen, rx_fifo / 2); + if(rx_fifo & 1) + nic->packet[nic->packetlen+rx_fifo-1]=inb(BASE + VX_W1_RX_PIO_RD_1); + nic->packetlen+=rx_fifo; +#ifdef EDEBUG + printf("+%d",rx_fifo); +#endif + } + if(( status & RX_INCOMPLETE )==0) { +#ifdef EDEBUG + printf("=%d",nic->packetlen); +#endif + break; + } + udelay(1000); + } + + /* acknowledge reception of packet */ + outw(RX_DISCARD_TOP_PACK, BASE + VX_COMMAND); + while (inw(BASE + VX_STATUS) & S_COMMAND_IN_PROGRESS); +#ifdef EDEBUG +{ + unsigned short type = 0; /* used by EDEBUG */ + type = (nic->packet[12]<<8) | nic->packet[13]; + if(nic->packet[0]+nic->packet[1]+nic->packet[2]+nic->packet[3]+nic->packet[4]+ + nic->packet[5] == 0xFF*ETH_ALEN) + printf(",t=%hX,b]",type); + else + printf(",t=%hX]",type); +} +#endif + return 1; +} + + +/************************************************************************* + 3Com 595 - specific routines +**************************************************************************/ + +static int +eeprom_rdy() +{ + int i; + + for (i = 0; is_eeprom_busy(BASE) && i < MAX_EEPROMBUSY; i++) + udelay(1000); + if (i >= MAX_EEPROMBUSY) { + /* printf("3c595: eeprom failed to come ready.\n"); */ + printf("3c595: eeprom is busy.\n"); /* memory in EPROM is tight */ + return (0); + } + return (1); +} + +/* + * get_e: gets a 16 bits word from the EEPROM. we must have set the window + * before + */ +static int +get_e(offset) +int offset; +{ + if (!eeprom_rdy()) + return (0xffff); + outw(EEPROM_CMD_RD | offset, BASE + VX_W0_EEPROM_COMMAND); + if (!eeprom_rdy()) + return (0xffff); + return (inw(BASE + VX_W0_EEPROM_DATA)); +} + +static void +vxgetlink(void) +{ + int n, k; + + GO_WINDOW(3); + vx_connectors = inw(BASE + VX_W3_RESET_OPT) & 0x7f; + for (n = 0, k = 0; k < VX_CONNECTORS; k++) { + if (vx_connectors & conn_tab[k].bit) { + if (n > 0) { + printf("/"); + } + printf("%s", conn_tab[k].name ); + n++; + } + } + if (vx_connectors == 0) { + printf("no connectors!"); + return; + } + GO_WINDOW(3); + vx_connector = (inl(BASE + VX_W3_INTERNAL_CFG) + & INTERNAL_CONNECTOR_MASK) + >> INTERNAL_CONNECTOR_BITS; + if (vx_connector & 0x10) { + vx_connector &= 0x0f; + printf("[*%s*]", conn_tab[vx_connector].name); + printf(": disable 'auto select' with DOS util!"); + } else { + printf("[*%s*]", conn_tab[vx_connector].name); + } +} + +static void +vxsetlink(void) +{ + int i, j; + char *reason, *warning; + static char prev_conn = -1; + + if (prev_conn == -1) { + prev_conn = vx_connector; + } + + i = vx_connector; /* default in EEPROM */ + reason = "default"; + warning = 0; + + if ((vx_connectors & conn_tab[vx_connector].bit) == 0) { + warning = "strange connector type in EEPROM."; + reason = "forced"; + i = CONNECTOR_UTP; + } + + if (warning != 0) { + printf("warning: %s\n", warning); + } + printf("selected %s. (%s)\n", conn_tab[i].name, reason); + + /* Set the selected connector. */ + GO_WINDOW(3); + j = inl(BASE + VX_W3_INTERNAL_CFG) & ~INTERNAL_CONNECTOR_MASK; + outl(j | (i <<INTERNAL_CONNECTOR_BITS), BASE + VX_W3_INTERNAL_CFG); + + /* First, disable all. */ + outw(STOP_TRANSCEIVER, BASE + VX_COMMAND); + udelay(8000); + GO_WINDOW(4); + outw(0, BASE + VX_W4_MEDIA_TYPE); + + /* Second, enable the selected one. */ + switch(i) { + case CONNECTOR_UTP: + GO_WINDOW(4); + outw(ENABLE_UTP, BASE + VX_W4_MEDIA_TYPE); + break; + case CONNECTOR_BNC: + outw(START_TRANSCEIVER,BASE + VX_COMMAND); + udelay(8000); + break; + case CONNECTOR_TX: + case CONNECTOR_FX: + GO_WINDOW(4); + outw(LINKBEAT_ENABLE, BASE + VX_W4_MEDIA_TYPE); + break; + default: /* AUI and MII fall here */ + break; + } + GO_WINDOW(1); +} + +static void t595_disable ( struct nic *nic ) { + + t595_reset(nic); + + outw(STOP_TRANSCEIVER, BASE + VX_COMMAND); + udelay(8000); + GO_WINDOW(4); + outw(0, BASE + VX_W4_MEDIA_TYPE); + GO_WINDOW(1); +} + +static void t595_irq(struct nic *nic __unused, irq_action_t action __unused) +{ + switch ( action ) { + case DISABLE : + break; + case ENABLE : + break; + case FORCE : + break; + } +} + +/************************************************************************** +ETH_PROBE - Look for an adapter +***************************************************************************/ +static int t595_probe ( struct nic *nic, struct pci_device *pci ) { + + int i; + unsigned short *p; + + if (pci->ioaddr == 0) + return 0; + eth_nic_base = pci->ioaddr; + + nic->irqno = 0; + nic->ioaddr = pci->ioaddr; + + GO_WINDOW(0); + outw(GLOBAL_RESET, BASE + VX_COMMAND); + VX_BUSY_WAIT; + + vxgetlink(); + +/* + printf("\nEEPROM:"); + for (i = 0; i < (EEPROMSIZE/2); i++) { + printf("%hX:", get_e(i)); + } + printf("\n"); +*/ + /* + * Read the station address from the eeprom + */ + p = (unsigned short *) nic->node_addr; + for (i = 0; i < 3; i++) { + GO_WINDOW(0); + p[i] = htons(get_e(EEPROM_OEM_ADDR_0 + i)); + GO_WINDOW(2); + outw(ntohs(p[i]), BASE + VX_W2_ADDR_0 + (i * 2)); + } + + DBG ( "Ethernet address: %s\n", eth_ntoa (nic->node_addr) ); + + t595_reset(nic); + nic->nic_op = &t595_operations; + return 1; + +} + +static struct nic_operations t595_operations = { + .connect = dummy_connect, + .poll = t595_poll, + .transmit = t595_transmit, + .irq = t595_irq, + +}; + +static struct pci_device_id t595_nics[] = { +PCI_ROM(0x10b7, 0x5900, "3c590", "3Com590", 0), /* Vortex 10Mbps */ +PCI_ROM(0x10b7, 0x5950, "3c595", "3Com595", 0), /* Vortex 100baseTx */ +PCI_ROM(0x10b7, 0x5951, "3c595-1", "3Com595", 0), /* Vortex 100baseT4 */ +PCI_ROM(0x10b7, 0x5952, "3c595-2", "3Com595", 0), /* Vortex 100base-MII */ +PCI_ROM(0x10b7, 0x9000, "3c900-tpo", "3Com900-TPO", 0), /* 10 Base TPO */ +PCI_ROM(0x10b7, 0x9001, "3c900-t4", "3Com900-Combo", 0), /* 10/100 T4 */ +PCI_ROM(0x10b7, 0x9004, "3c900b-tpo", "3Com900B-TPO", 0), /* 10 Base TPO */ +PCI_ROM(0x10b7, 0x9005, "3c900b-combo", "3Com900B-Combo", 0), /* 10 Base Combo */ +PCI_ROM(0x10b7, 0x9006, "3c900b-tpb2", "3Com900B-2/T", 0), /* 10 Base TP and Base2 */ +PCI_ROM(0x10b7, 0x900a, "3c900b-fl", "3Com900B-FL", 0), /* 10 Base F */ +PCI_ROM(0x10b7, 0x9800, "3c980-cyclone-1", "3Com980-Cyclone", 0), /* Cyclone */ +PCI_ROM(0x10b7, 0x9805, "3c9805-1", "3Com9805", 0), /* Dual Port Server Cyclone */ +PCI_ROM(0x10b7, 0x7646, "3csoho100-tx-1", "3CSOHO100-TX", 0), /* Hurricane */ +PCI_ROM(0x10b7, 0x4500, "3c450-1", "3Com450 HomePNA Tornado", 0), +}; + +PCI_DRIVER ( t595_driver, t595_nics, PCI_NO_CLASS ); + +DRIVER ( "3C595", nic_driver, pci_driver, t595_driver, + t595_probe, t595_disable ); + +/* + * Local variables: + * c-basic-offset: 8 + * c-indent-level: 8 + * tab-width: 8 + * End: + */ |