diff options
author | Jeff Garzik <jeff@garzik.org> | 2007-02-17 15:11:43 -0500 |
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committer | Jeff Garzik <jeff@garzik.org> | 2007-02-17 15:11:43 -0500 |
commit | f630fe2817601314b2eb7ca5ddc23c7834646731 (patch) | |
tree | 3bfb4939b7bbc3859575ca8b58fa3f929b015941 /arch/powerpc/platforms/cell/spu_manage.c | |
parent | 48c871c1f6a7c7044dd76774fb469e65c7e2e4e8 (diff) | |
parent | 8a03d9a498eaf02c8a118752050a5154852c13bf (diff) |
Merge branch 'master' into upstream
Diffstat (limited to 'arch/powerpc/platforms/cell/spu_manage.c')
-rw-r--r-- | arch/powerpc/platforms/cell/spu_manage.c | 102 |
1 files changed, 24 insertions, 78 deletions
diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c index d8b39fe39cd..e34599f53d2 100644 --- a/arch/powerpc/platforms/cell/spu_manage.c +++ b/arch/powerpc/platforms/cell/spu_manage.c @@ -59,63 +59,6 @@ static u64 __init find_spu_unit_number(struct device_node *spe) return 0; } -static int __init cell_spuprop_present(struct spu *spu, struct device_node *spe, - const char *prop) -{ - const struct address_prop { - unsigned long address; - unsigned int len; - } __attribute__((packed)) *p; - int proplen; - - unsigned long start_pfn, nr_pages; - struct pglist_data *pgdata; - struct zone *zone; - int ret; - - p = get_property(spe, prop, &proplen); - WARN_ON(proplen != sizeof (*p)); - - start_pfn = p->address >> PAGE_SHIFT; - nr_pages = ((unsigned long)p->len + PAGE_SIZE - 1) >> PAGE_SHIFT; - - pgdata = NODE_DATA(spu->node); - zone = pgdata->node_zones; - - ret = __add_pages(zone, start_pfn, nr_pages); - - return ret; -} - -static void __iomem * __init map_spe_prop(struct spu *spu, - struct device_node *n, const char *name) -{ - const struct address_prop { - unsigned long address; - unsigned int len; - } __attribute__((packed)) *prop; - - const void *p; - int proplen; - void __iomem *ret = NULL; - int err = 0; - - p = get_property(n, name, &proplen); - if (proplen != sizeof (struct address_prop)) - return NULL; - - prop = p; - - err = cell_spuprop_present(spu, n, name); - if (err && (err != -EEXIST)) - goto out; - - ret = ioremap(prop->address, prop->len); - - out: - return ret; -} - static void spu_unmap(struct spu *spu) { if (!firmware_has_feature(FW_FEATURE_LPAR)) @@ -157,6 +100,23 @@ static int __init spu_map_interrupts_old(struct spu *spu, return spu->irqs[2] == NO_IRQ ? -EINVAL : 0; } +static void __iomem * __init spu_map_prop_old(struct spu *spu, + struct device_node *n, + const char *name) +{ + const struct address_prop { + unsigned long address; + unsigned int len; + } __attribute__((packed)) *prop; + int proplen; + + prop = get_property(n, name, &proplen); + if (prop == NULL || proplen != sizeof (struct address_prop)) + return NULL; + + return ioremap(prop->address, prop->len); +} + static int __init spu_map_device_old(struct spu *spu) { struct device_node *node = spu->devnode; @@ -175,7 +135,7 @@ static int __init spu_map_device_old(struct spu *spu) /* we use local store as ram, not io memory */ spu->local_store = (void __force *) - map_spe_prop(spu, node, "local-store"); + spu_map_prop_old(spu, node, "local-store"); if (!spu->local_store) goto out; @@ -184,16 +144,16 @@ static int __init spu_map_device_old(struct spu *spu) goto out_unmap; spu->problem_phys = *(unsigned long *)prop; - spu->problem = map_spe_prop(spu, node, "problem"); + spu->problem = spu_map_prop_old(spu, node, "problem"); if (!spu->problem) goto out_unmap; - spu->priv2 = map_spe_prop(spu, node, "priv2"); + spu->priv2 = spu_map_prop_old(spu, node, "priv2"); if (!spu->priv2) goto out_unmap; if (!firmware_has_feature(FW_FEATURE_LPAR)) { - spu->priv1 = map_spe_prop(spu, node, "priv1"); + spu->priv1 = spu_map_prop_old(spu, node, "priv1"); if (!spu->priv1) goto out_unmap; } @@ -245,34 +205,20 @@ static int spu_map_resource(struct spu *spu, int nr, void __iomem** virt, unsigned long *phys) { struct device_node *np = spu->devnode; - unsigned long start_pfn, nr_pages; - struct pglist_data *pgdata; - struct zone *zone; struct resource resource = { }; unsigned long len; int ret; ret = of_address_to_resource(np, nr, &resource); if (ret) - goto out; - + return ret; if (phys) *phys = resource.start; len = resource.end - resource.start + 1; *virt = ioremap(resource.start, len); if (!*virt) - ret = -EINVAL; - - start_pfn = resource.start >> PAGE_SHIFT; - nr_pages = (len + PAGE_SIZE - 1) >> PAGE_SHIFT; - - pgdata = NODE_DATA(spu->node); - zone = pgdata->node_zones; - - ret = __add_pages(zone, start_pfn, nr_pages); - -out: - return ret; + return -EINVAL; + return 0; } static int __init spu_map_device(struct spu *spu) |