Updated to new ISA API, but this driver probably has deeper problems.
This commit is contained in:
Michael Brown
parent
487574fc02
commit
d5e1561fb8
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@ -1,3 +1,5 @@
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#warning "depca.c almost certainly won't work"
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/* Not fixed for relocation yet. Probably won't work relocated above 16MB */
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#ifdef ALLMULTI
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#error multicast support is not yet implemented
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@ -235,22 +237,23 @@
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#include "etherboot.h"
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#include "nic.h"
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#include "isa.h"
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#include "console.h"
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/*
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** I/O addresses. Note that the 2k buffer option is not supported in
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** this driver.
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*/
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#define DEPCA_NICSR ioaddr+0x00 /* Network interface CSR */
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#define DEPCA_RBI ioaddr+0x02 /* RAM buffer index (2k buffer mode) */
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#define DEPCA_DATA ioaddr+0x04 /* LANCE registers' data port */
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#define DEPCA_ADDR ioaddr+0x06 /* LANCE registers' address port */
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#define DEPCA_HBASE ioaddr+0x08 /* EISA high memory base address reg. */
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#define DEPCA_PROM ioaddr+0x0c /* Ethernet address ROM data port */
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#define DEPCA_CNFG ioaddr+0x0c /* EISA Configuration port */
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#define DEPCA_RBSA ioaddr+0x0e /* RAM buffer starting address (2k buff.) */
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#define DEPCA_NICSR 0x00 /* Network interface CSR */
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#define DEPCA_RBI 0x02 /* RAM buffer index (2k buffer mode) */
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#define DEPCA_DATA 0x04 /* LANCE registers' data port */
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#define DEPCA_ADDR 0x06 /* LANCE registers' address port */
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#define DEPCA_HBASE 0x08 /* EISA high memory base address reg. */
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#define DEPCA_PROM 0x0c /* Ethernet address ROM data port */
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#define DEPCA_CNFG 0x0c /* EISA Configuration port */
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#define DEPCA_RBSA 0x0e /* RAM buffer starting address (2k buff.) */
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/*
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** These are LANCE registers addressable through DEPCA_ADDR
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** These are LANCE registers addressable through nic->ioaddr + DEPCA_ADDR
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*/
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#define CSR0 0
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#define CSR1 1
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@ -375,8 +378,6 @@
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/*
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** ISA Bus defines
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*/
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#define DEPCA_IO_PORTS {0x300, 0x200, 0}
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#ifndef DEPCA_MODEL
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#define DEPCA_MODEL DEPCA
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#endif
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@ -465,15 +466,14 @@ struct depca_private {
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static Address mem_start = DEPCA_RAM_BASE;
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static Address mem_len, offset;
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static unsigned short ioaddr = 0;
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static struct depca_private lp;
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/*
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** Miscellaneous defines...
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*/
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#define STOP_DEPCA \
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outw(CSR0, DEPCA_ADDR);\
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outw(STOP, DEPCA_DATA)
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#define STOP_DEPCA(ioaddr) \
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outw(CSR0, ioaddr + DEPCA_ADDR);\
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outw(STOP, ioaddr + DEPCA_DATA)
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/* Initialize the lance Rx and Tx descriptor rings. */
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static void depca_init_ring(struct nic *nic)
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@ -504,13 +504,13 @@ static void depca_init_ring(struct nic *nic)
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static void LoadCSRs(void)
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{
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outw(CSR1, DEPCA_ADDR); /* initialisation block address LSW */
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outw((u16) (lp.sh_mem & LA_MASK), DEPCA_DATA);
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outw(CSR2, DEPCA_ADDR); /* initialisation block address MSW */
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outw((u16) ((lp.sh_mem & LA_MASK) >> 16), DEPCA_DATA);
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outw(CSR3, DEPCA_ADDR); /* ALE control */
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outw(ACON, DEPCA_DATA);
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outw(CSR0, DEPCA_ADDR); /* Point back to CSR0 */
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outw(CSR1, nic->ioaddr + DEPCA_ADDR); /* initialisation block address LSW */
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outw((u16) (lp.sh_mem & LA_MASK), nic->ioaddr + DEPCA_DATA);
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outw(CSR2, nic->ioaddr + DEPCA_ADDR); /* initialisation block address MSW */
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outw((u16) ((lp.sh_mem & LA_MASK) >> 16), nic->ioaddr + DEPCA_DATA);
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outw(CSR3, nic->ioaddr + DEPCA_ADDR); /* ALE control */
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outw(ACON, nic->ioaddr + DEPCA_DATA);
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outw(CSR0, nic->ioaddr + DEPCA_ADDR); /* Point back to CSR0 */
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}
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static int InitRestartDepca(void)
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@ -519,14 +519,14 @@ static int InitRestartDepca(void)
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/* Copy the shadow init_block to shared memory */
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memcpy_toio((char *)lp.sh_mem, &lp.init_block, sizeof(struct depca_init));
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outw(CSR0, DEPCA_ADDR); /* point back to CSR0 */
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outw(INIT, DEPCA_DATA); /* initialise DEPCA */
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outw(CSR0, nic->ioaddr + DEPCA_ADDR); /* point back to CSR0 */
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outw(INIT, nic->ioaddr + DEPCA_DATA); /* initialise DEPCA */
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for (i = 0; i < 100 && !(inw(DEPCA_DATA) & IDON); i++)
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for (i = 0; i < 100 && !(inw(nic->ioaddr + DEPCA_DATA) & IDON); i++)
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;
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if (i < 100) {
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/* clear IDON by writing a 1, and start LANCE */
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outw(IDON | STRT, DEPCA_DATA);
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outw(IDON | STRT, nic->ioaddr + DEPCA_DATA);
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} else {
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printf("DEPCA not initialised\n");
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return (1);
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@ -542,11 +542,11 @@ static void depca_reset(struct nic *nic)
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s16 nicsr;
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int i, j;
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STOP_DEPCA;
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nicsr = inb(DEPCA_NICSR);
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STOP_DEPCA(nic->ioaddr);
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nicsr = inb(nic->ioaddr + DEPCA_NICSR);
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nicsr = ((nicsr & ~SHE & ~RBE & ~IEN) | IM);
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outb(nicsr, DEPCA_NICSR);
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if (inw(DEPCA_DATA) != STOP)
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outb(nicsr, nic->ioaddr + DEPCA_NICSR);
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if (inw(nic->ioaddr + DEPCA_DATA) != STOP)
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{
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printf("depca: Cannot stop NIC\n");
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return;
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@ -652,7 +652,7 @@ static void depca_disable ( struct nic *nic ) {
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/* reset and disable merge */
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depca_reset(nic);
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STOP_DEPCA;
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STOP_DEPCA(nic->ioaddr);
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}
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/**************************************************************************
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@ -685,24 +685,32 @@ static void depca_irq(struct nic *nic __unused, irq_action_t action __unused)
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** PROM address counter is correctly positioned at the start of the
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** ethernet address for later read out.
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*/
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static int depca_probe1(struct nic *nic)
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{
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u8 data, nicsr;
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/*
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* Ugly, ugly, ugly. I can't quite make out where the split should be
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* between probe1 and probe()...
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*
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*/
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static u8 nicsr;
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static int depca_probe1 ( uint16_t ioaddr ) {
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u8 data;
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/* This is only correct for little endian machines, but then
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Etherboot doesn't work on anything but a PC */
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u8 sig[] = { 0xFF, 0x00, 0x55, 0xAA, 0xFF, 0x00, 0x55, 0xAA };
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int i, j;
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long sum, chksum;
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data = inb(DEPCA_PROM); /* clear counter on DEPCA */
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data = inb(DEPCA_PROM); /* read data */
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data = inb(ioaddr + DEPCA_PROM); /* clear counter on DEPCA */
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data = inb(ioaddr + DEPCA_PROM); /* read data */
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if (data == 0x8) {
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nicsr = inb(DEPCA_NICSR);
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nicsr = inb(ioaddr + DEPCA_NICSR);
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nicsr |= AAC;
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outb(nicsr, DEPCA_NICSR);
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outb(nicsr, ioaddr + DEPCA_NICSR);
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}
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for (i = 0, j = 0; j < (int)sizeof(sig) && i < PROBE_LENGTH+((int)sizeof(sig))-1; ++i) {
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data = inb(DEPCA_PROM);
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data = inb(ioaddr + DEPCA_PROM);
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if (data == sig[j]) /* track signature */
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++j;
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else
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@ -711,27 +719,50 @@ static int depca_probe1(struct nic *nic)
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if (j != sizeof(sig))
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return (0);
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/* put the card in its initial state */
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STOP_DEPCA;
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nicsr = ((inb(DEPCA_NICSR) & ~SHE & ~RBE & ~IEN) | IM);
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outb(nicsr, DEPCA_NICSR);
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if (inw(DEPCA_DATA) != STOP)
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STOP_DEPCA(ioaddr);
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nicsr = ((inb(ioaddr + DEPCA_NICSR) & ~SHE & ~RBE & ~IEN) | IM);
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outb(nicsr, ioaddr + DEPCA_NICSR);
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if (inw(ioaddr + DEPCA_DATA) != STOP)
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return (0);
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memcpy((char *)mem_start, sig, sizeof(sig));
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if (memcmp((char *)mem_start, sig, sizeof(sig)) != 0)
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return (0);
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return 1;
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}
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static struct nic_operations depca_operations = {
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.connect = dummy_connect,
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.poll = depca_poll,
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.transmit = depca_transmit,
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.irq = depca_irq,
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.disable = depca_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 depca_probe ( struct dev *dev, struct isa_device *isa ) {
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struct nic *nic = nic_device ( dev );
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int i, j;
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long sum, chksum;
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nic->irqno = 0;
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nic->ioaddr = isa->ioaddr;
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for (i = 0, j = 0, sum = 0; j < 3; j++) {
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sum <<= 1;
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if (sum > 0xFFFF)
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sum -= 0xFFFF;
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sum += (u8)(nic->node_addr[i++] = inb(DEPCA_PROM));
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sum += (u16)((nic->node_addr[i++] = inb(DEPCA_PROM)) << 8);
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sum += (u8)(nic->node_addr[i++] = inb(nic->ioaddr + DEPCA_PROM));
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sum += (u16)((nic->node_addr[i++] = inb(nic->ioaddr + DEPCA_PROM)) << 8);
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if (sum > 0xFFFF)
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sum -= 0xFFFF;
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}
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if (sum == 0xFFFF)
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sum = 0;
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chksum = (u8)inb(DEPCA_PROM);
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chksum |= (u16)(inb(DEPCA_PROM) << 8);
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chksum = (u8)inb(nic->ioaddr + DEPCA_PROM);
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chksum |= (u16)(inb(nic->ioaddr + DEPCA_PROM) << 8);
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mem_len = (adapter == DEPCA) ? (48 << 10) : (64 << 10);
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offset = 0;
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if (nicsr & BUF) {
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@ -740,58 +771,30 @@ static int depca_probe1(struct nic *nic)
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mem_len -= (32 << 10);
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}
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if (adapter != DEPCA) /* enable shadow RAM */
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outb(nicsr |= SHE, DEPCA_NICSR);
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outb(nicsr |= SHE, nic->ioaddr + DEPCA_NICSR);
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printf("%s base %#hX, memory [%#hX-%#hX], addr %!",
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adapter_name[adapter], ioaddr, mem_start, mem_start + mem_len,
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nic->node_addr);
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adapter_name[adapter], nic->ioaddr, mem_start,
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mem_start + mem_len,
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nic->node_addr);
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if (sum != chksum)
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printf(" (bad checksum)");
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putchar('\n');
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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 depca_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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static unsigned short base[] = DEPCA_IO_PORTS;
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int i;
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if (probe_addrs == 0 || probe_addrs[0] == 0)
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probe_addrs = base; /* Use defaults */
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for (i = 0; (ioaddr = base[i]) != 0; ++i) {
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if (depca_probe1(nic))
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break;
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}
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if (ioaddr == 0)
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return (0);
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nic->irqno = 0;
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nic->ioaddr = ioaddr & ~3;
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depca_reset(nic);
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/* point to NIC specific routines */
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static struct nic_operations depca_operations;
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static struct nic_operations depca_operations = {
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.connect = dummy_connect,
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.poll = depca_poll,
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.transmit = depca_transmit,
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.irq = depca_irq,
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.disable = depca_disable,
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}; nic->nic_op = &depca_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(0x80f7);
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/* point to NIC specific routines */
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nic->nic_op = &depca_operations;
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return 1;
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}
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static struct isa_driver depca_driver __isa_driver = {
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.type = NIC_DRIVER,
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.name = "DEPCA",
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.probe = depca_probe,
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.ioaddrs = 0,
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static struct isa_probe_addr depca_probe_addrs[] = {
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{ 0x300 }, { 0x200 },
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};
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ISA_ROM("depca","Digital DE100 and DE200");
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static struct isa_driver depca_driver =
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ISA_DRIVER ( "depca", depca_probe_addrs, depca_probe1,
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GENERIC_ISAPNP_VENDOR, 0x80f7 );
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BOOT_DRIVER ( "depce", find_isa_boot_device, depca_driver, depca_probe );
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ISA_ROM ( "depca", "Digital DE100 and DE200" );
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