diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/sbus/sbus.c | 124 |
1 files changed, 1 insertions, 123 deletions
diff --git a/drivers/sbus/sbus.c b/drivers/sbus/sbus.c index 08f4667188d..89eb922a6ac 100644 --- a/drivers/sbus/sbus.c +++ b/drivers/sbus/sbus.c @@ -51,38 +51,11 @@ static void __init fill_sbus_device_iommu(struct sbus_dev *sdev) static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sdev) { struct dev_archdata *sd; - unsigned long base; - const void *pval; - int len, err; + int err; sdev->prom_node = dp->node; strcpy(sdev->prom_name, dp->name); - pval = of_get_property(dp, "reg", &len); - sdev->num_registers = 0; - if (pval) { - memcpy(sdev->reg_addrs, pval, len); - - sdev->num_registers = - len / sizeof(struct linux_prom_registers); - - base = (unsigned long) sdev->reg_addrs[0].phys_addr; - - /* Compute the slot number. */ - if (base >= SUN_SBUS_BVADDR && sparc_cpu_model == sun4m) - sdev->slot = sbus_dev_slot(base); - else - sdev->slot = sdev->reg_addrs[0].which_io; - } - - pval = of_get_property(dp, "ranges", &len); - sdev->num_device_ranges = 0; - if (pval) { - memcpy(sdev->device_ranges, pval, len); - sdev->num_device_ranges = - len / sizeof(struct linux_prom_ranges); - } - sd = &sdev->ofdev.dev.archdata; sd->prom_node = dp; sd->op = &sdev->ofdev; @@ -105,97 +78,6 @@ static void __init fill_sbus_device(struct device_node *dp, struct sbus_dev *sde fill_sbus_device_iommu(sdev); } -static void __init sbus_bus_ranges_init(struct device_node *dp, struct sbus_bus *sbus) -{ - const void *pval; - int len; - - pval = of_get_property(dp, "ranges", &len); - sbus->num_sbus_ranges = 0; - if (pval) { - memcpy(sbus->sbus_ranges, pval, len); - sbus->num_sbus_ranges = - len / sizeof(struct linux_prom_ranges); - - sbus_arch_bus_ranges_init(dp->parent, sbus); - } -} - -static void __init __apply_ranges_to_regs(struct linux_prom_ranges *ranges, - int num_ranges, - struct linux_prom_registers *regs, - int num_regs) -{ - if (num_ranges) { - int regnum; - - for (regnum = 0; regnum < num_regs; regnum++) { - int rngnum; - - for (rngnum = 0; rngnum < num_ranges; rngnum++) { - if (regs[regnum].which_io == ranges[rngnum].ot_child_space) - break; - } - if (rngnum == num_ranges) { - /* We used to flag this as an error. Actually - * some devices do not report the regs as we expect. - * For example, see SUNW,pln device. In that case - * the reg property is in a format internal to that - * node, ie. it is not in the SBUS register space - * per se. -DaveM - */ - return; - } - regs[regnum].which_io = ranges[rngnum].ot_parent_space; - regs[regnum].phys_addr -= ranges[rngnum].ot_child_base; - regs[regnum].phys_addr += ranges[rngnum].ot_parent_base; - } - } -} - -static void __init __fixup_regs_sdev(struct sbus_dev *sdev) -{ - if (sdev->num_registers != 0) { - struct sbus_dev *parent = sdev->parent; - int i; - - while (parent != NULL) { - __apply_ranges_to_regs(parent->device_ranges, - parent->num_device_ranges, - sdev->reg_addrs, - sdev->num_registers); - - parent = parent->parent; - } - - __apply_ranges_to_regs(sdev->bus->sbus_ranges, - sdev->bus->num_sbus_ranges, - sdev->reg_addrs, - sdev->num_registers); - - for (i = 0; i < sdev->num_registers; i++) { - struct resource *res = &sdev->resource[i]; - - res->start = sdev->reg_addrs[i].phys_addr; - res->end = (res->start + - (unsigned long)sdev->reg_addrs[i].reg_size - 1UL); - res->flags = IORESOURCE_IO | - (sdev->reg_addrs[i].which_io & 0xff); - } - } -} - -static void __init sbus_fixup_all_regs(struct sbus_dev *first_sdev) -{ - struct sbus_dev *sdev; - - for (sdev = first_sdev; sdev; sdev = sdev->next) { - if (sdev->child) - sbus_fixup_all_regs(sdev->child); - __fixup_regs_sdev(sdev); - } -} - /* We preserve the "probe order" of these bus and device lists to give * the same ordering as the old code. */ @@ -263,8 +145,6 @@ static void __init build_one_sbus(struct device_node *dp, int num_sbus) strcpy(sbus->prom_name, dp->name); - sbus_bus_ranges_init(dp, sbus); - sbus->ofdev.node = dp; sbus->ofdev.dev.parent = NULL; sbus->ofdev.dev.bus = &sbus_bus_type; @@ -295,8 +175,6 @@ static void __init build_one_sbus(struct device_node *dp, int num_sbus) } dev_dp = dev_dp->sibling; } - - sbus_fixup_all_regs(sbus->devices); } static int __init sbus_init(void) |