mirror of https://github.com/ipxe/ipxe.git
Updated to general ISA bus API.
Michael Brown
parent
773d66e6dc
commit
8165c14e71
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@ -33,8 +33,6 @@ has 34 pins, the top row of 2 are not used.
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/* we use timer2 for microsecond waits */
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#include "timer.h"
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#undef DEBUG /* only after include files */
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/* Different 82595 chips */
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#define LAN595 0
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#define LAN595TX 1
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@ -287,7 +285,6 @@ static unsigned int rx_start, tx_start;
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static int tx_last;
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static unsigned int tx_end;
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static int eepro = 0;
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static unsigned short ioaddr = 0;
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static unsigned int mem_start, mem_end = RCV_DEFAULT_RAM / 1024;
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/**************************************************************************
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@ -298,42 +295,40 @@ static void eepro_reset(struct nic *nic)
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int temp_reg, i;
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/* put the card in its initial state */
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eepro_sw2bank2(ioaddr); /* be careful, bank2 now */
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temp_reg = inb(ioaddr + eeprom_reg);
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#ifdef DEBUG
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printf("Stepping %d\n", temp_reg >> 5);
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#endif
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eepro_sw2bank2(nic->ioaddr); /* be careful, bank2 now */
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temp_reg = inb(nic->ioaddr + eeprom_reg);
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DBG("Stepping %d\n", temp_reg >> 5);
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if (temp_reg & 0x10) /* check the TurnOff Enable bit */
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outb(temp_reg & 0xEF, ioaddr + eeprom_reg);
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outb(temp_reg & 0xEF, nic->ioaddr + eeprom_reg);
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for (i = 0; i < ETH_ALEN; i++) /* fill the MAC address */
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outb(nic->node_addr[i], ioaddr + I_ADD_REG0 + i);
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temp_reg = inb(ioaddr + REG1);
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outb(nic->node_addr[i], nic->ioaddr + I_ADD_REG0 + i);
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temp_reg = inb(nic->ioaddr + REG1);
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/* setup Transmit Chaining and discard bad RCV frames */
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outb(temp_reg | XMT_Chain_Int | XMT_Chain_ErrStop
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| RCV_Discard_BadFrame, ioaddr + REG1);
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temp_reg = inb(ioaddr + REG2); /* match broadcast */
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outb(temp_reg | 0x14, ioaddr + REG2);
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temp_reg = inb(ioaddr + REG3);
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outb(temp_reg & 0x3F, ioaddr + REG3); /* clear test mode */
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| RCV_Discard_BadFrame, nic->ioaddr + REG1);
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temp_reg = inb(nic->ioaddr + REG2); /* match broadcast */
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outb(temp_reg | 0x14, nic->ioaddr + REG2);
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temp_reg = inb(nic->ioaddr + REG3);
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outb(temp_reg & 0x3F, nic->ioaddr + REG3); /* clear test mode */
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/* set the receiving mode */
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eepro_sw2bank1(ioaddr); /* be careful, bank1 now */
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eepro_sw2bank1(nic->ioaddr); /* be careful, bank1 now */
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/* initialise the RCV and XMT upper and lower limits */
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outb(RCV_LOWER_LIMIT, ioaddr + RCV_LOWER_LIMIT_REG);
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outb(RCV_UPPER_LIMIT, ioaddr + RCV_UPPER_LIMIT_REG);
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outb(XMT_LOWER_LIMIT, ioaddr + xmt_lower_limit_reg);
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outb(XMT_UPPER_LIMIT, ioaddr + xmt_upper_limit_reg);
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eepro_sw2bank0(ioaddr); /* Switch back to bank 0 */
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eepro_clear_int(ioaddr);
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outb(RCV_LOWER_LIMIT, nic->ioaddr + RCV_LOWER_LIMIT_REG);
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outb(RCV_UPPER_LIMIT, nic->ioaddr + RCV_UPPER_LIMIT_REG);
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outb(XMT_LOWER_LIMIT, nic->ioaddr + xmt_lower_limit_reg);
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outb(XMT_UPPER_LIMIT, nic->ioaddr + xmt_upper_limit_reg);
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eepro_sw2bank0(nic->ioaddr); /* Switch back to bank 0 */
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eepro_clear_int(nic->ioaddr);
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/* Initialise RCV */
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rx_start = (unsigned int)bus_to_virt(RCV_LOWER_LIMIT << 8);
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outw(RCV_LOWER_LIMIT << 8, ioaddr + RCV_BAR);
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outw(((RCV_UPPER_LIMIT << 8) | 0xFE), ioaddr + RCV_STOP);
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outw(RCV_LOWER_LIMIT << 8, nic->ioaddr + RCV_BAR);
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outw(((RCV_UPPER_LIMIT << 8) | 0xFE), nic->ioaddr + RCV_STOP);
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/* Intialise XMT */
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outw((XMT_LOWER_LIMIT << 8), ioaddr + xmt_bar);
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eepro_sel_reset(ioaddr);
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outw((XMT_LOWER_LIMIT << 8), nic->ioaddr + xmt_bar);
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eepro_sel_reset(nic->ioaddr);
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tx_start = tx_end = (unsigned int)bus_to_virt(XMT_LOWER_LIMIT << 8);
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tx_last = 0;
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eepro_en_rx(ioaddr);
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eepro_en_rx(nic->ioaddr);
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}
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/**************************************************************************
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@ -348,12 +343,12 @@ static int eepro_poll(struct nic *nic, int retrieve)
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/* nic->packet should contain data on return */
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/* nic->packetlen should contain length of data */
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#if 0
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if ((inb(ioaddr + STATUS_REG) & 0x40) == 0)
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if ((inb(nic->ioaddr + STATUS_REG) & 0x40) == 0)
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return (0);
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outb(0x40, ioaddr + STATUS_REG);
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outb(0x40, nic->ioaddr + STATUS_REG);
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#endif
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outw(rcv_car, ioaddr + HOST_ADDRESS_REG);
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rcv_event = inw(ioaddr + IO_PORT);
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outw(rcv_car, nic->ioaddr + HOST_ADDRESS_REG);
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rcv_event = inw(nic->ioaddr + IO_PORT);
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if (rcv_event != RCV_DONE)
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return (0);
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@ -362,19 +357,19 @@ static int eepro_poll(struct nic *nic, int retrieve)
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maybe there's another way. */
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if ( ! retrieve ) return 1;
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rcv_status = inw(ioaddr + IO_PORT);
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rcv_next_frame = inw(ioaddr + IO_PORT);
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rcv_size = inw(ioaddr + IO_PORT);
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rcv_status = inw(nic->ioaddr + IO_PORT);
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rcv_next_frame = inw(nic->ioaddr + IO_PORT);
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rcv_size = inw(nic->ioaddr + IO_PORT);
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#if 0
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printf("%hX %hX %d %hhX\n", rcv_status, rcv_next_frame, rcv_size,
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inb(ioaddr + STATUS_REG));
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inb(nic->ioaddr + STATUS_REG));
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#endif
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if ((rcv_status & (RX_OK|RX_ERROR)) != RX_OK) {
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printf("Receive error %hX\n", rcv_status);
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return (0);
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}
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rcv_size &= 0x3FFF;
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insw(ioaddr + IO_PORT, nic->packet, ((rcv_size + 3) >> 1));
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insw(nic->ioaddr + IO_PORT, nic->packet, ((rcv_size + 3) >> 1));
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#if 0
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{
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int i;
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@ -389,7 +384,7 @@ static int eepro_poll(struct nic *nic, int retrieve)
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rx_start = (unsigned int)bus_to_virt(rcv_next_frame << 8);
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if (rcv_car == 0)
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rcv_car = ((RCV_UPPER_LIMIT << 8) | 0xff);
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outw(rcv_car - 1, ioaddr + RCV_STOP);
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outw(rcv_car - 1, nic->ioaddr + RCV_STOP);
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return (1);
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}
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@ -420,20 +415,20 @@ static void eepro_transmit(
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last = (XMT_LOWER_LIMIT << 8);
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end = last + (((length + 3) >> 1) << 1) + XMT_HEADER;
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}
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outw(last, ioaddr + HOST_ADDRESS_REG);
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outw(XMT_CMD, ioaddr + IO_PORT);
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outw(0, ioaddr + IO_PORT);
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outw(end, ioaddr + IO_PORT);
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outw(length, ioaddr + IO_PORT);
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outsw(ioaddr + IO_PORT, d, ETH_ALEN / 2);
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outsw(ioaddr + IO_PORT, nic->node_addr, ETH_ALEN / 2);
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outw(last, nic->ioaddr + HOST_ADDRESS_REG);
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outw(XMT_CMD, nic->ioaddr + IO_PORT);
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outw(0, nic->ioaddr + IO_PORT);
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outw(end, nic->ioaddr + IO_PORT);
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outw(length, nic->ioaddr + IO_PORT);
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outsw(nic->ioaddr + IO_PORT, d, ETH_ALEN / 2);
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outsw(nic->ioaddr + IO_PORT, nic->node_addr, ETH_ALEN / 2);
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type = htons(t);
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outsw(ioaddr + IO_PORT, &type, sizeof(type) / 2);
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outsw(ioaddr + IO_PORT, p, (s + 3) >> 1);
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outsw(nic->ioaddr + IO_PORT, &type, sizeof(type) / 2);
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outsw(nic->ioaddr + IO_PORT, p, (s + 3) >> 1);
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/* A dummy read to flush the DRAM write pipeline */
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status = inw(ioaddr + IO_PORT);
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outw(last, ioaddr + xmt_bar);
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outb(XMT_CMD, ioaddr);
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status = inw(nic->ioaddr + IO_PORT);
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outw(last, nic->ioaddr + xmt_bar);
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outb(XMT_CMD, nic->ioaddr);
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tx_start = last;
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tx_last = last;
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tx_end = end;
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@ -441,29 +436,28 @@ static void eepro_transmit(
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printf("%d %d\n", tx_start, tx_end);
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#endif
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while (boguscount > 0) {
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if (((status = inw(ioaddr + IO_PORT)) & TX_DONE_BIT) == 0) {
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if (((status = inw(nic->ioaddr + IO_PORT)) & TX_DONE_BIT) == 0) {
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udelay(40);
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boguscount--;
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continue;
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}
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#if DEBUG
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if ((status & 0x2000) == 0)
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printf("Transmit status %hX\n", status);
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#endif
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if ((status & 0x2000) == 0) {
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DBG("Transmit status %hX\n", status);
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}
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}
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}
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/**************************************************************************
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DISABLE - Turn off ethernet interface
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***************************************************************************/
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static void eepro_disable ( struct nic *nic __unused ) {
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eepro_sw2bank0(ioaddr); /* Switch to bank 0 */
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static void eepro_disable ( struct nic *nic ) {
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eepro_sw2bank0(nic->ioaddr); /* Switch to bank 0 */
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/* Flush the Tx and disable Rx */
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outb(STOP_RCV_CMD, ioaddr);
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outb(STOP_RCV_CMD, nic->ioaddr);
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tx_start = tx_end = (unsigned int) (bus_to_virt(XMT_LOWER_LIMIT << 8));
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tx_last = 0;
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/* Reset the 82595 */
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eepro_full_reset(ioaddr);
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eepro_full_reset(nic->ioaddr);
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}
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/**************************************************************************
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@ -481,7 +475,7 @@ static void eepro_irq(struct nic *nic __unused, irq_action_t action __unused)
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}
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}
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static int read_eeprom(int location)
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static int read_eeprom(uint16_t ioaddr, int location)
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{
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int i;
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unsigned short retval = 0;
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@ -522,14 +516,8 @@ static int read_eeprom(int location)
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return (retval);
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}
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static int eepro_probe1(struct nic *nic)
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{
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int i, id, counter, l_eepro = 0;
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union {
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unsigned char caddr[ETH_ALEN];
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unsigned short saddr[ETH_ALEN/2];
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} station_addr;
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char *name;
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static int eepro_probe1 ( uint16_t ioaddr ) {
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int id, counter;
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id = inb(ioaddr + ID_REG);
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if ((id & ID_REG_MASK) != ID_REG_SIG)
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@ -538,29 +526,55 @@ static int eepro_probe1(struct nic *nic)
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if (((id = inb(ioaddr + ID_REG)) & R_ROBIN_BITS) != (counter + 0x40))
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return (0);
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/* yes the 82595 has been found */
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station_addr.saddr[2] = read_eeprom(2);
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if (station_addr.saddr[2] == 0x0000 || station_addr.saddr[2] == 0xFFFF) {
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return (1);
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}
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static struct nic_operations eepro_operations = {
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.connect = dummy_connect,
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.poll = eepro_poll,
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.transmit = eepro_transmit,
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.irq = eepro_irq,
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.disable = eepro_disable,
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};
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/**************************************************************************
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PROBE - Look for an adapter, this routine's visible to the outside
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***************************************************************************/
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static int eepro_probe ( struct dev *dev, struct isa_device *isa ) {
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struct nic *nic = nic_device ( dev );
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int i, l_eepro = 0;
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union {
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unsigned char caddr[ETH_ALEN];
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unsigned short saddr[ETH_ALEN/2];
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} station_addr;
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nic->irqno = 0;
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nic->ioaddr = isa->ioaddr;
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station_addr.saddr[2] = read_eeprom(nic->ioaddr,2);
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if ( ( station_addr.saddr[2] == 0x0000 ) ||
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( station_addr.saddr[2] == 0xFFFF ) ) {
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l_eepro = 3;
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eepro = LAN595FX_10ISA;
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eeprom_reg= EEPROM_REG_10;
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rcv_start = RCV_START_10;
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xmt_lower_limit_reg = XMT_LOWER_LIMIT_REG_10;
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xmt_upper_limit_reg = XMT_UPPER_LIMIT_REG_10;
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station_addr.saddr[2] = read_eeprom(2);
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station_addr.saddr[2] = read_eeprom(nic->ioaddr,2);
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}
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station_addr.saddr[1] = read_eeprom(3);
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station_addr.saddr[0] = read_eeprom(4);
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station_addr.saddr[1] = read_eeprom(nic->ioaddr,3);
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station_addr.saddr[0] = read_eeprom(nic->ioaddr,4);
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if (l_eepro)
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name = "Intel EtherExpress 10 ISA";
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else if (read_eeprom(7) == ee_FX_INT2IRQ) {
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name = "Intel EtherExpress Pro/10+ ISA";
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dev->name = "Intel EtherExpress 10 ISA";
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else if (read_eeprom(nic->ioaddr,7) == ee_FX_INT2IRQ) {
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dev->name = "Intel EtherExpress Pro/10+ ISA";
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l_eepro = 2;
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} else if (station_addr.saddr[0] == SA_ADDR1) {
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name = "Intel EtherExpress Pro/10 ISA";
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dev->name = "Intel EtherExpress Pro/10 ISA";
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l_eepro = 1;
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} else {
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l_eepro = 0;
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name = "Intel 82595-based LAN card";
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dev->name = "Intel 82595-based LAN card";
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}
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station_addr.saddr[0] = swap16(station_addr.saddr[0]);
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station_addr.saddr[1] = swap16(station_addr.saddr[1]);
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@ -568,7 +582,7 @@ static int eepro_probe1(struct nic *nic)
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for (i = 0; i < ETH_ALEN; i++) {
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nic->node_addr[i] = station_addr.caddr[i];
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}
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printf("\n%s ioaddr %#hX, addr %!", name, ioaddr, nic->node_addr);
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DBG("%s ioaddr %#hX, addr %!", dev->name, nic->ioaddr, nic->node_addr);
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mem_start = RCV_LOWER_LIMIT << 8;
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if ((mem_end & 0x3F) < 3 || (mem_end & 0x3F) > 29)
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mem_end = RCV_UPPER_LIMIT << 8;
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@ -577,53 +591,25 @@ static int eepro_probe1(struct nic *nic)
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rcv_ram = mem_end - (RCV_LOWER_LIMIT << 8);
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}
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printf(", Rx mem %dK, if %s\n", (mem_end - mem_start) >> 10,
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GetBit(read_eeprom(5), ee_BNC_TPE) ? "BNC" : "TP");
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return (1);
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}
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/**************************************************************************
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PROBE - Look for an adapter, this routine's visible to the outside
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***************************************************************************/
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static int eepro_probe(struct dev *dev, unsigned short *probe_addrs)
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{
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struct nic *nic = (struct nic *)dev;
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unsigned short *p;
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/* same probe list as the Linux driver */
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static unsigned short ioaddrs[] = {
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0x300, 0x210, 0x240, 0x280, 0x2C0, 0x200, 0x320, 0x340, 0x360, 0};
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if (probe_addrs == 0 || probe_addrs[0] == 0)
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probe_addrs = ioaddrs;
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for (p = probe_addrs; (ioaddr = *p) != 0; p++) {
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if (eepro_probe1(nic))
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break;
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}
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if (*p == 0)
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return (0);
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nic->irqno = 0;
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nic->ioaddr = *p;
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GetBit(read_eeprom(nic->ioaddr,5), ee_BNC_TPE) ? "BNC" : "TP");
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eepro_reset(nic);
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/* point to NIC specific routines */
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static struct nic_operations eepro_operations;
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static struct nic_operations eepro_operations = {
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.connect = dummy_connect,
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.poll = eepro_poll,
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.transmit = eepro_transmit,
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.irq = eepro_irq,
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.disable = eepro_disable,
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}; nic->nic_op = &eepro_operations;
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/* Based on PnP ISA map */
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dev->devid.vendor_id = htons(GENERIC_ISAPNP_VENDOR);
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dev->devid.device_id = htons(0x828a);
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nic->nic_op = &eepro_operations;
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return 1;
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}
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static struct isa_driver eepro_driver __isa_driver = {
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.type = NIC_DRIVER,
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.name = "EEPRO",
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.probe = eepro_probe,
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.ioaddrs = 0,
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static struct isa_probe_addr eepro_probe_addrs[] = {
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{ 0x300 },
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{ 0x210 }, { 0x240 }, { 0x280 }, { 0x2C0 }, { 0x200 },
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{ 0x320 }, { 0x340 }, { 0x360 },
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};
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ISA_ROM("eepro","Intel Etherexpress Pro/10");
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static struct isa_driver eepro_driver =
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ISA_DRIVER ( "eepro", eepro_probe_addrs, eepro_probe1,
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GENERIC_ISAPNP_VENDOR, 0x828a );
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BOOT_DRIVER ( "eepro", find_isa_boot_device, eepro_driver, eepro_probe );
|
||||
|
||||
ISA_ROM ( "eepro", "Intel Etherexpress Pro/10" );
|
||||
|
|
|
|||
Loading…
Reference in New Issue