static void
e_ddi_devid_hold_by_major(major_t major)
{
DEVID_LOG_DISC((CE_CONT,
"devid_discovery: ddi_hold_installed_driver %d\n", major));
if (ddi_hold_installed_driver(major) == NULL)
return;
ddi_rele_driver(major);
}
void
load_platform_drivers(void)
{
extern int watchdog_available;
extern int watchdog_enable;
dev_info_t *dip; /* dip of the isa driver */
int simba_present = 0;
dev_info_t *root_child_node;
major_t major;
if (ddi_install_driver("power") != DDI_SUCCESS)
cmn_err(CE_WARN, "Failed to install \"power\" driver.");
/*
* Install Isa driver. This is required for the southbridge IDE
* workaround - to reset the IDE channel during IDE bus reset.
* Panic the system in case ISA driver could not be loaded or
* any problem in accessing its pci config space. Since the register
* to reset the channel for IDE is in ISA config space!.
*/
root_child_node = ddi_get_child(ddi_root_node());
while (root_child_node != NULL) {
if (strcmp(ddi_node_name(root_child_node), "pci") == 0) {
root_child_node = ddi_get_child(root_child_node);
if (strcmp(ddi_node_name(root_child_node), "pci") == 0)
simba_present = 1;
break;
}
root_child_node = ddi_get_next_sibling(root_child_node);
}
if (simba_present)
dip = e_ddi_hold_devi_by_path(PLATFORM_ISA_PATHNAME_WITH_SIMBA,
0);
else
dip = e_ddi_hold_devi_by_path(PLATFORM_ISA_PATHNAME, 0);
if (dip == NULL) {
cmn_err(CE_PANIC, "Could not install the isa driver\n");
return;
}
if (pci_config_setup(dip, &platform_isa_handle) != DDI_SUCCESS) {
cmn_err(CE_PANIC, "Could not get the config space of isa\n");
return;
}
/*
* Load the blade support chip driver.
*
*/
if (((major = ddi_name_to_major(BSC_DRV)) == -1) ||
(ddi_hold_installed_driver(major) == NULL)) {
cmn_err(CE_WARN, "%s: failed to load", BSC_DRV);
} else {
bsc_drv_func_ptr = (void (*)(struct bscv_idi_info *))
modgetsymvalue(BSC_DRV_FUNC, 0);
if (bsc_drv_func_ptr == NULL) {
cmn_err(CE_WARN, "load_platform_defaults: %s()"
" not found; signatures will not be updated\n",
BSC_DRV_FUNC);
watchdog_available = 0;
if (watchdog_enable) {
cmn_err(CE_WARN, "load_platform_defaults: %s()"
" not found; BSC OS watchdog service not available\n",
BSC_DRV_FUNC);
}
}
}
}
