diff options
Diffstat (limited to 'src/core/isa_probe.c')
| -rw-r--r-- | src/core/isa_probe.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/core/isa_probe.c b/src/core/isa_probe.c new file mode 100644 index 000000000..2bc523e7f --- /dev/null +++ b/src/core/isa_probe.c @@ -0,0 +1,66 @@ +#ifdef CONFIG_ISA +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2, or (at + * your option) any later version. + */ + +#include "etherboot.h" +#include "nic.h" +#include "isa.h" + +void isa_enumerate(void) +{ + const struct isa_driver *driver; + for(driver = isa_drivers; driver < isa_drivers_end; driver++) { + printf("%s ", driver->name); + } + +} + +int isa_probe(struct dev *dev, const char *type_name) +{ +/* + * NIC probing is in the order the drivers were linked togeter. + * If for some reason you want to change the order, + * just change the order you list the drivers in. + */ + struct isa_probe_state *state = &dev->state.isa; + printf("Probing isa %s...\n", type_name); + if (dev->how_probe == PROBE_FIRST) { + state->advance = 0; + state->driver = isa_drivers; + dev->index = -1; + } + for(;;) + { + if ((dev->how_probe != PROBE_AWAKE) && state->advance) { + state->driver++; + dev->index = -1; + } + state->advance = 1; + + if (state->driver >= isa_drivers_end) + break; + + if (state->driver->type != dev->type) + continue; + + if (dev->how_probe != PROBE_AWAKE) { + dev->type_index++; + } + printf("[%s]", state->driver->name); + dev->devid.bus_type = ISA_BUS_TYPE; + /* FIXME how do I handle dev->index + PROBE_AGAIN?? */ + /* driver will fill in vendor and device IDs */ + if (state->driver->probe(dev, state->driver->ioaddrs)) { + state->advance = (dev->index == -1); + return PROBE_WORKED; + } + putchar('\n'); + } + return PROBE_FAILED; +} + +#endif |