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67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
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#ifdef CONFIG_ISA
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/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2, or (at
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* your option) any later version.
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*/
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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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void isa_enumerate(void)
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{
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const struct isa_driver *driver;
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for(driver = isa_drivers; driver < isa_drivers_end; driver++) {
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printf("%s ", driver->name);
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}
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}
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int isa_probe(struct dev *dev, const char *type_name)
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{
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/*
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* NIC probing is in the order the drivers were linked togeter.
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* If for some reason you want to change the order,
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* just change the order you list the drivers in.
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*/
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struct isa_probe_state *state = &dev->state.isa;
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printf("Probing isa %s...\n", type_name);
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if (dev->how_probe == PROBE_FIRST) {
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state->advance = 0;
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state->driver = isa_drivers;
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dev->index = -1;
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}
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for(;;)
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{
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if ((dev->how_probe != PROBE_AWAKE) && state->advance) {
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state->driver++;
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dev->index = -1;
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}
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state->advance = 1;
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if (state->driver >= isa_drivers_end)
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break;
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if (state->driver->type != dev->type)
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continue;
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if (dev->how_probe != PROBE_AWAKE) {
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dev->type_index++;
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}
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printf("[%s]", state->driver->name);
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dev->devid.bus_type = ISA_BUS_TYPE;
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/* FIXME how do I handle dev->index + PROBE_AGAIN?? */
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/* driver will fill in vendor and device IDs */
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if (state->driver->probe(dev, state->driver->ioaddrs)) {
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state->advance = (dev->index == -1);
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return PROBE_WORKED;
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}
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putchar('\n');
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}
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return PROBE_FAILED;
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}
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#endif
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