diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-24 14:48:24 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-24 14:48:24 -0700 |
commit | b9d8be7828e974f076717f0da608d052440fe192 (patch) | |
tree | d4bc4d3e13f816a76b1a02bde922ee7ad0dbdbd9 /arch/sparc64/kernel/isa.c | |
parent | d02f40e81e003be6ddba5c176f2e40ea290c3729 (diff) | |
parent | 1812fd40725c13cf050c29791a6dd35d593eb8d8 (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: (40 commits)
[SPARC64]: Update defconfig.
[SPARC64]: Make auxio a real driver.
[PARPORT] sunbpp: Convert to new SBUS device framework.
[Documentation]: Update probing info in sbus_drivers.txt
[SCSI] qlogicpti: Convert to new SBUS device framework.
[SCSI] esp: Fix bug in esp_remove_common.
[NET] sunhme: Kill useless loop over sdevs in quattro_sbus_find().
[NET] myri_sbus: Kill unused next_module struct member.
[NET] myri_sbus: Convert to new SBUS device layer.
[NET] sunqe: Convert to new SBUS driver layer.
[NET] sunbmac: Convert over to new SBUS device framework.
[NET] sunlance: Convert to new SBUS driver framework.
[NET] sunhme: Convert to new SBUS driver framework.
[NET] sunhme: Kill __sparc__ and __sparc_v9__ ifdefs.
[SCSI] sparc: Port esp to new SBUS driver layer.
[SOUND] sparc: Port amd7930 to new SBUS device layer.
[SBUS]: Rewrite and plug into of_device framework.
[SPARC]: Port of_device layer and make ebus use it.
[SPARC]: Port sparc64 in-kernel device tree code to sparc32.
[SPARC64]: Add of_device layer and make ebus/isa use it.
...
Diffstat (limited to 'arch/sparc64/kernel/isa.c')
-rw-r--r-- | arch/sparc64/kernel/isa.c | 183 |
1 files changed, 81 insertions, 102 deletions
diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c index 30862abee61..6f16dee280a 100644 --- a/arch/sparc64/kernel/isa.c +++ b/arch/sparc64/kernel/isa.c @@ -15,23 +15,19 @@ static void __init fatal_err(const char *reason) static void __init report_dev(struct sparc_isa_device *isa_dev, int child) { if (child) - printk(" (%s)", isa_dev->prom_name); + printk(" (%s)", isa_dev->prom_node->name); else - printk(" [%s", isa_dev->prom_name); + printk(" [%s", isa_dev->prom_node->name); } -static void __init isa_dev_get_resource(struct sparc_isa_device *isa_dev, - struct linux_prom_registers *pregs, - int pregs_size) +static struct linux_prom_registers * __init +isa_dev_get_resource(struct sparc_isa_device *isa_dev) { + struct linux_prom_registers *pregs; unsigned long base, len; int prop_len; - prop_len = prom_getproperty(isa_dev->prom_node, "reg", - (char *) pregs, pregs_size); - - if (prop_len <= 0) - return; + pregs = of_get_property(isa_dev->prom_node, "reg", &prop_len); /* Only the first one is interesting. */ len = pregs[0].reg_size; @@ -42,10 +38,12 @@ static void __init isa_dev_get_resource(struct sparc_isa_device *isa_dev, isa_dev->resource.start = base; isa_dev->resource.end = (base + len - 1UL); isa_dev->resource.flags = IORESOURCE_IO; - isa_dev->resource.name = isa_dev->prom_name; + isa_dev->resource.name = isa_dev->prom_node->name; request_resource(&isa_dev->bus->parent->io_space, &isa_dev->resource); + + return pregs; } /* I can't believe they didn't put a real INO in the isa device @@ -74,19 +72,30 @@ static struct { static int __init isa_dev_get_irq_using_imap(struct sparc_isa_device *isa_dev, struct sparc_isa_bridge *isa_br, int *interrupt, - struct linux_prom_registers *pregs) + struct linux_prom_registers *reg) { + struct linux_prom_ebus_intmap *imap; + struct linux_prom_ebus_intmap *imask; unsigned int hi, lo, irq; - int i; - - hi = pregs->which_io & isa_br->isa_intmask.phys_hi; - lo = pregs->phys_addr & isa_br->isa_intmask.phys_lo; - irq = *interrupt & isa_br->isa_intmask.interrupt; - for (i = 0; i < isa_br->num_isa_intmap; i++) { - if ((isa_br->isa_intmap[i].phys_hi == hi) && - (isa_br->isa_intmap[i].phys_lo == lo) && - (isa_br->isa_intmap[i].interrupt == irq)) { - *interrupt = isa_br->isa_intmap[i].cinterrupt; + int i, len, n_imap; + + imap = of_get_property(isa_br->prom_node, "interrupt-map", &len); + if (!imap) + return 0; + n_imap = len / sizeof(imap[0]); + + imask = of_get_property(isa_br->prom_node, "interrupt-map-mask", NULL); + if (!imask) + return 0; + + hi = reg->which_io & imask->phys_hi; + lo = reg->phys_addr & imask->phys_lo; + irq = *interrupt & imask->interrupt; + for (i = 0; i < n_imap; i++) { + if ((imap[i].phys_hi == hi) && + (imap[i].phys_lo == lo) && + (imap[i].interrupt == irq)) { + *interrupt = imap[i].cinterrupt; return 0; } } @@ -98,8 +107,8 @@ static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev, { int irq_prop; - irq_prop = prom_getintdefault(isa_dev->prom_node, - "interrupts", -1); + irq_prop = of_getintprop_default(isa_dev->prom_node, + "interrupts", -1); if (irq_prop <= 0) { goto no_irq; } else { @@ -107,7 +116,8 @@ static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev, struct pci_pbm_info *pbm; int i; - if (isa_dev->bus->num_isa_intmap) { + if (of_find_property(isa_dev->bus->prom_node, + "interrupt-map", NULL)) { if (!isa_dev_get_irq_using_imap(isa_dev, isa_dev->bus, &irq_prop, @@ -141,16 +151,15 @@ no_irq: static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev) { - int node = prom_getchild(parent_isa_dev->prom_node); + struct device_node *dp = parent_isa_dev->prom_node->child; - if (node == 0) + if (!dp) return; printk(" ->"); - while (node != 0) { - struct linux_prom_registers regs[PROMREG_MAX]; + while (dp) { + struct linux_prom_registers *regs; struct sparc_isa_device *isa_dev; - int prop_len; isa_dev = kmalloc(sizeof(*isa_dev), GFP_KERNEL); if (!isa_dev) { @@ -165,49 +174,46 @@ static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev) parent_isa_dev->child = isa_dev; isa_dev->bus = parent_isa_dev->bus; - isa_dev->prom_node = node; - prop_len = prom_getproperty(node, "name", - (char *) isa_dev->prom_name, - sizeof(isa_dev->prom_name)); - if (prop_len <= 0) { - fatal_err("cannot get child isa_dev OBP node name"); - prom_halt(); - } + isa_dev->prom_node = dp; - prop_len = prom_getproperty(node, "compatible", - (char *) isa_dev->compatible, - sizeof(isa_dev->compatible)); - - /* Not having this is OK. */ - if (prop_len <= 0) - isa_dev->compatible[0] = '\0'; - - isa_dev_get_resource(isa_dev, regs, sizeof(regs)); + regs = isa_dev_get_resource(isa_dev); isa_dev_get_irq(isa_dev, regs); report_dev(isa_dev, 1); - node = prom_getsibling(node); + dp = dp->sibling; } } static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br) { - int node = prom_getchild(isa_br->prom_node); + struct device_node *dp = isa_br->prom_node->child; - while (node != 0) { - struct linux_prom_registers regs[PROMREG_MAX]; + while (dp) { + struct linux_prom_registers *regs; struct sparc_isa_device *isa_dev; - int prop_len; isa_dev = kmalloc(sizeof(*isa_dev), GFP_KERNEL); if (!isa_dev) { - fatal_err("cannot allocate isa_dev"); - prom_halt(); + printk(KERN_DEBUG "ISA: cannot allocate isa_dev"); + return; } memset(isa_dev, 0, sizeof(*isa_dev)); + isa_dev->ofdev.node = dp; + isa_dev->ofdev.dev.parent = &isa_br->ofdev.dev; + isa_dev->ofdev.dev.bus = &isa_bus_type; + strcpy(isa_dev->ofdev.dev.bus_id, dp->path_component_name); + + /* Register with core */ + if (of_device_register(&isa_dev->ofdev) != 0) { + printk(KERN_DEBUG "isa: device registration error for %s!\n", + isa_dev->ofdev.dev.bus_id); + kfree(isa_dev); + goto next_sibling; + } + /* Link it in. */ isa_dev->next = NULL; if (isa_br->devices == NULL) { @@ -222,24 +228,9 @@ static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br) } isa_dev->bus = isa_br; - isa_dev->prom_node = node; - prop_len = prom_getproperty(node, "name", - (char *) isa_dev->prom_name, - sizeof(isa_dev->prom_name)); - if (prop_len <= 0) { - fatal_err("cannot get isa_dev OBP node name"); - prom_halt(); - } - - prop_len = prom_getproperty(node, "compatible", - (char *) isa_dev->compatible, - sizeof(isa_dev->compatible)); + isa_dev->prom_node = dp; - /* Not having this is OK. */ - if (prop_len <= 0) - isa_dev->compatible[0] = '\0'; - - isa_dev_get_resource(isa_dev, regs, sizeof(regs)); + regs = isa_dev_get_resource(isa_dev); isa_dev_get_irq(isa_dev, regs); report_dev(isa_dev, 0); @@ -248,7 +239,8 @@ static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br) printk("]"); - node = prom_getsibling(node); + next_sibling: + dp = dp->sibling; } } @@ -266,7 +258,7 @@ void __init isa_init(void) struct pcidev_cookie *pdev_cookie; struct pci_pbm_info *pbm; struct sparc_isa_bridge *isa_br; - int prop_len; + struct device_node *dp; pdev_cookie = pdev->sysdata; if (!pdev_cookie) { @@ -275,15 +267,29 @@ void __init isa_init(void) continue; } pbm = pdev_cookie->pbm; + dp = pdev_cookie->prom_node; isa_br = kmalloc(sizeof(*isa_br), GFP_KERNEL); if (!isa_br) { - fatal_err("cannot allocate sparc_isa_bridge"); - prom_halt(); + printk(KERN_DEBUG "isa: cannot allocate sparc_isa_bridge"); + return; } memset(isa_br, 0, sizeof(*isa_br)); + isa_br->ofdev.node = dp; + isa_br->ofdev.dev.parent = &pdev->dev; + isa_br->ofdev.dev.bus = &isa_bus_type; + strcpy(isa_br->ofdev.dev.bus_id, dp->path_component_name); + + /* Register with core */ + if (of_device_register(&isa_br->ofdev) != 0) { + printk(KERN_DEBUG "isa: device registration error for %s!\n", + isa_br->ofdev.dev.bus_id); + kfree(isa_br); + return; + } + /* Link it in. */ isa_br->next = isa_chain; isa_chain = isa_br; @@ -292,33 +298,6 @@ void __init isa_init(void) isa_br->self = pdev; isa_br->index = index++; isa_br->prom_node = pdev_cookie->prom_node; - strncpy(isa_br->prom_name, pdev_cookie->prom_name, - sizeof(isa_br->prom_name)); - - prop_len = prom_getproperty(isa_br->prom_node, - "ranges", - (char *) isa_br->isa_ranges, - sizeof(isa_br->isa_ranges)); - if (prop_len <= 0) - isa_br->num_isa_ranges = 0; - else - isa_br->num_isa_ranges = - (prop_len / sizeof(struct linux_prom_isa_ranges)); - - prop_len = prom_getproperty(isa_br->prom_node, - "interrupt-map", - (char *) isa_br->isa_intmap, - sizeof(isa_br->isa_intmap)); - if (prop_len <= 0) - isa_br->num_isa_intmap = 0; - else - isa_br->num_isa_intmap = - (prop_len / sizeof(struct linux_prom_isa_intmap)); - - prop_len = prom_getproperty(isa_br->prom_node, - "interrupt-map-mask", - (char *) &(isa_br->isa_intmask), - sizeof(isa_br->isa_intmask)); printk("isa%d:", isa_br->index); |