diff options
author | Ishizaki Kou <kou.ishizaki@toshiba.co.jp> | 2007-02-02 07:45:33 (GMT) |
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committer | Paul Mackerras <paulus@samba.org> | 2007-02-07 03:03:21 (GMT) |
commit | c9868fe0e091f64241a372b45f08097c013e41b2 (patch) | |
tree | a5e46ebaab4a16e1163f8984dc1aa3dd2bc6972c /arch/powerpc/platforms/cell/spu_priv1_mmio.c | |
parent | 3cdc20e51791bd2fd67781e65640a4650f99c63e (diff) | |
download | linux-fsl-qoriq-c9868fe0e091f64241a372b45f08097c013e41b2.tar.xz |
[POWERPC] Celleb: consolidate spu management ops
Spu management ops in arch/platforms/cell/spu_priv1_mmio.h can be used
commonly in of based platform. This patch separates spu management ops
from native cell code and uses on celleb platform.
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Kou Ishizaki <kou.ishizaki@toshiba.co.jp>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/cell/spu_priv1_mmio.c')
-rw-r--r-- | arch/powerpc/platforms/cell/spu_priv1_mmio.c | 422 |
1 files changed, 22 insertions, 400 deletions
diff --git a/arch/powerpc/platforms/cell/spu_priv1_mmio.c b/arch/powerpc/platforms/cell/spu_priv1_mmio.c index 910a926..67fa724 100644 --- a/arch/powerpc/platforms/cell/spu_priv1_mmio.c +++ b/arch/powerpc/platforms/cell/spu_priv1_mmio.c @@ -37,490 +37,112 @@ #include "interrupt.h" #include "spu_priv1_mmio.h" -static DEFINE_MUTEX(add_spumem_mutex); - -struct spu_pdata { - struct device_node *devnode; - struct spu_priv1 __iomem *priv1; -}; - -static struct spu_pdata *spu_get_pdata(struct spu *spu) -{ - BUG_ON(!spu->pdata); - return spu->pdata; -} - -struct device_node *spu_devnode(struct spu *spu) -{ - return spu_get_pdata(spu)->devnode; -} - -EXPORT_SYMBOL_GPL(spu_devnode); - -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; - - /* XXX rethink locking here */ - mutex_lock(&add_spumem_mutex); - ret = __add_pages(zone, start_pfn, nr_pages); - mutex_unlock(&add_spumem_mutex); - - 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) -{ - iounmap(spu->priv2); - iounmap(spu_get_pdata(spu)->priv1); - iounmap(spu->problem); - iounmap((__force u8 __iomem *)spu->local_store); -} - -static int __init spu_map_interrupts_old(struct spu *spu, - struct device_node *np) -{ - unsigned int isrc; - const u32 *tmp; - int nid; - - /* Get the interrupt source unit from the device-tree */ - tmp = get_property(np, "isrc", NULL); - if (!tmp) - return -ENODEV; - isrc = tmp[0]; - - tmp = get_property(np->parent->parent, "node-id", NULL); - if (!tmp) { - printk(KERN_WARNING "%s: can't find node-id\n", __FUNCTION__); - nid = spu->node; - } else - nid = tmp[0]; - - /* Add the node number */ - isrc |= nid << IIC_IRQ_NODE_SHIFT; - - /* Now map interrupts of all 3 classes */ - spu->irqs[0] = irq_create_mapping(NULL, IIC_IRQ_CLASS_0 | isrc); - spu->irqs[1] = irq_create_mapping(NULL, IIC_IRQ_CLASS_1 | isrc); - spu->irqs[2] = irq_create_mapping(NULL, IIC_IRQ_CLASS_2 | isrc); - - /* Right now, we only fail if class 2 failed */ - return spu->irqs[2] == NO_IRQ ? -EINVAL : 0; -} - -static int __init spu_map_device_old(struct spu *spu, struct device_node *node) -{ - const char *prop; - int ret; - - ret = -ENODEV; - spu->name = get_property(node, "name", NULL); - if (!spu->name) - goto out; - - prop = get_property(node, "local-store", NULL); - if (!prop) - goto out; - spu->local_store_phys = *(unsigned long *)prop; - - /* we use local store as ram, not io memory */ - spu->local_store = (void __force *) - map_spe_prop(spu, node, "local-store"); - if (!spu->local_store) - goto out; - - prop = get_property(node, "problem", NULL); - if (!prop) - goto out_unmap; - spu->problem_phys = *(unsigned long *)prop; - - spu->problem= map_spe_prop(spu, node, "problem"); - if (!spu->problem) - goto out_unmap; - - spu_get_pdata(spu)->priv1= map_spe_prop(spu, node, "priv1"); - - spu->priv2= map_spe_prop(spu, node, "priv2"); - if (!spu->priv2) - goto out_unmap; - ret = 0; - goto out; - -out_unmap: - spu_unmap(spu); -out: - return ret; -} - -static int __init spu_map_interrupts(struct spu *spu, struct device_node *np) -{ - struct of_irq oirq; - int ret; - int i; - - for (i=0; i < 3; i++) { - ret = of_irq_map_one(np, i, &oirq); - if (ret) { - pr_debug("spu_new: failed to get irq %d\n", i); - goto err; - } - ret = -EINVAL; - pr_debug(" irq %d no 0x%x on %s\n", i, oirq.specifier[0], - oirq.controller->full_name); - spu->irqs[i] = irq_create_of_mapping(oirq.controller, - oirq.specifier, oirq.size); - if (spu->irqs[i] == NO_IRQ) { - pr_debug("spu_new: failed to map it !\n"); - goto err; - } - } - return 0; - -err: - pr_debug("failed to map irq %x for spu %s\n", *oirq.specifier, - spu->name); - for (; i >= 0; i--) { - if (spu->irqs[i] != NO_IRQ) - irq_dispose_mapping(spu->irqs[i]); - } - return ret; -} - -static int spu_map_resource(struct spu *spu, int nr, - void __iomem** virt, unsigned long *phys) -{ - struct device_node *np = spu_get_pdata(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; - - 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; - - /* XXX rethink locking here */ - mutex_lock(&add_spumem_mutex); - ret = __add_pages(zone, start_pfn, nr_pages); - mutex_unlock(&add_spumem_mutex); - -out: - return ret; -} - -static int __init spu_map_device(struct spu *spu) -{ - struct device_node *np = spu_get_pdata(spu)->devnode; - int ret = -ENODEV; - - spu->name = get_property(np, "name", NULL); - if (!spu->name) - goto out; - - ret = spu_map_resource(spu, 0, (void __iomem**)&spu->local_store, - &spu->local_store_phys); - if (ret) { - pr_debug("spu_new: failed to map %s resource 0\n", - np->full_name); - goto out; - } - ret = spu_map_resource(spu, 1, (void __iomem**)&spu->problem, - &spu->problem_phys); - if (ret) { - pr_debug("spu_new: failed to map %s resource 1\n", - np->full_name); - goto out_unmap; - } - ret = spu_map_resource(spu, 2, (void __iomem**)&spu->priv2, NULL); - if (ret) { - pr_debug("spu_new: failed to map %s resource 2\n", - np->full_name); - goto out_unmap; - } - if (!firmware_has_feature(FW_FEATURE_LPAR)) - ret = spu_map_resource(spu, 3, - (void __iomem**)&spu_get_pdata(spu)->priv1, NULL); - if (ret) { - pr_debug("spu_new: failed to map %s resource 3\n", - np->full_name); - goto out_unmap; - } - pr_debug("spu_new: %s maps:\n", np->full_name); - pr_debug(" local store : 0x%016lx -> 0x%p\n", - spu->local_store_phys, spu->local_store); - pr_debug(" problem state : 0x%016lx -> 0x%p\n", - spu->problem_phys, spu->problem); - pr_debug(" priv2 : 0x%p\n", spu->priv2); - pr_debug(" priv1 : 0x%p\n", - spu_get_pdata(spu)->priv1); - - return 0; - -out_unmap: - spu_unmap(spu); -out: - pr_debug("failed to map spe %s: %d\n", spu->name, ret); - return ret; -} - -static int __init of_enumerate_spus(int (*fn)(void *data)) -{ - int ret; - struct device_node *node; - - ret = -ENODEV; - for (node = of_find_node_by_type(NULL, "spe"); - node; node = of_find_node_by_type(node, "spe")) { - ret = fn(node); - if (ret) { - printk(KERN_WARNING "%s: Error initializing %s\n", - __FUNCTION__, node->name); - break; - } - } - return ret; -} - -static int __init of_create_spu(struct spu *spu, void *data) -{ - int ret; - struct device_node *spe = (struct device_node *)data; - - spu->pdata = kzalloc(sizeof(struct spu_pdata), - GFP_KERNEL); - if (!spu->pdata) { - ret = -ENOMEM; - goto out; - } - spu_get_pdata(spu)->devnode = of_node_get(spe); - - spu->node = of_node_to_nid(spe); - if (spu->node >= MAX_NUMNODES) { - printk(KERN_WARNING "SPE %s on node %d ignored," - " node number too big\n", spe->full_name, spu->node); - printk(KERN_WARNING "Check if CONFIG_NUMA is enabled.\n"); - ret = -ENODEV; - goto out_free; - } - - ret = spu_map_device(spu); - /* try old method */ - if (ret) - ret = spu_map_device_old(spu, spe); - if (ret) - goto out_free; - - ret = spu_map_interrupts(spu, spe); - if (ret) - ret = spu_map_interrupts_old(spu, spe); - if (ret) - goto out_unmap; - - pr_debug(KERN_DEBUG "Using SPE %s %p %p %p %p %d\n", spu->name, - spu->local_store, spu->problem, spu_get_pdata(spu)->priv1, - spu->priv2, spu->number); - goto out; - -out_unmap: - spu_unmap(spu); -out_free: - kfree(spu->pdata); - spu->pdata = NULL; -out: - return ret; -} - -static int of_destroy_spu(struct spu *spu) -{ - spu_unmap(spu); - of_node_put(spu_get_pdata(spu)->devnode); - kfree(spu->pdata); - spu->pdata = NULL; - return 0; -} - -const struct spu_management_ops spu_management_of_ops = { - .enumerate_spus = of_enumerate_spus, - .create_spu = of_create_spu, - .destroy_spu = of_destroy_spu, -}; - static void int_mask_and(struct spu *spu, int class, u64 mask) { u64 old_mask; - old_mask = in_be64(&spu_get_pdata(spu)->priv1->int_mask_RW[class]); - out_be64(&spu_get_pdata(spu)->priv1->int_mask_RW[class], - old_mask & mask); + old_mask = in_be64(&spu->priv1->int_mask_RW[class]); + out_be64(&spu->priv1->int_mask_RW[class], old_mask & mask); } static void int_mask_or(struct spu *spu, int class, u64 mask) { u64 old_mask; - old_mask = in_be64(&spu_get_pdata(spu)->priv1->int_mask_RW[class]); - out_be64(&spu_get_pdata(spu)->priv1->int_mask_RW[class], - old_mask | mask); + old_mask = in_be64(&spu->priv1->int_mask_RW[class]); + out_be64(&spu->priv1->int_mask_RW[class], old_mask | mask); } static void int_mask_set(struct spu *spu, int class, u64 mask) { - out_be64(&spu_get_pdata(spu)->priv1->int_mask_RW[class], mask); + out_be64(&spu->priv1->int_mask_RW[class], mask); } static u64 int_mask_get(struct spu *spu, int class) { - return in_be64(&spu_get_pdata(spu)->priv1->int_mask_RW[class]); + return in_be64(&spu->priv1->int_mask_RW[class]); } static void int_stat_clear(struct spu *spu, int class, u64 stat) { - out_be64(&spu_get_pdata(spu)->priv1->int_stat_RW[class], stat); + out_be64(&spu->priv1->int_stat_RW[class], stat); } static u64 int_stat_get(struct spu *spu, int class) { - return in_be64(&spu_get_pdata(spu)->priv1->int_stat_RW[class]); + return in_be64(&spu->priv1->int_stat_RW[class]); } static void cpu_affinity_set(struct spu *spu, int cpu) { u64 target = iic_get_target_id(cpu); u64 route = target << 48 | target << 32 | target << 16; - out_be64(&spu_get_pdata(spu)->priv1->int_route_RW, route); + out_be64(&spu->priv1->int_route_RW, route); } static u64 mfc_dar_get(struct spu *spu) { - return in_be64(&spu_get_pdata(spu)->priv1->mfc_dar_RW); + return in_be64(&spu->priv1->mfc_dar_RW); } static u64 mfc_dsisr_get(struct spu *spu) { - return in_be64(&spu_get_pdata(spu)->priv1->mfc_dsisr_RW); + return in_be64(&spu->priv1->mfc_dsisr_RW); } static void mfc_dsisr_set(struct spu *spu, u64 dsisr) { - out_be64(&spu_get_pdata(spu)->priv1->mfc_dsisr_RW, dsisr); + out_be64(&spu->priv1->mfc_dsisr_RW, dsisr); } static void mfc_sdr_setup(struct spu *spu) { - out_be64(&spu_get_pdata(spu)->priv1->mfc_sdr_RW, mfspr(SPRN_SDR1)); + out_be64(&spu->priv1->mfc_sdr_RW, mfspr(SPRN_SDR1)); } static void mfc_sr1_set(struct spu *spu, u64 sr1) { - out_be64(&spu_get_pdata(spu)->priv1->mfc_sr1_RW, sr1); + out_be64(&spu->priv1->mfc_sr1_RW, sr1); } static u64 mfc_sr1_get(struct spu *spu) { - return in_be64(&spu_get_pdata(spu)->priv1->mfc_sr1_RW); + return in_be64(&spu->priv1->mfc_sr1_RW); } static void mfc_tclass_id_set(struct spu *spu, u64 tclass_id) { - out_be64(&spu_get_pdata(spu)->priv1->mfc_tclass_id_RW, tclass_id); + out_be64(&spu->priv1->mfc_tclass_id_RW, tclass_id); } static u64 mfc_tclass_id_get(struct spu *spu) { - return in_be64(&spu_get_pdata(spu)->priv1->mfc_tclass_id_RW); + return in_be64(&spu->priv1->mfc_tclass_id_RW); } static void tlb_invalidate(struct spu *spu) { - out_be64(&spu_get_pdata(spu)->priv1->tlb_invalidate_entry_W, 0ul); + out_be64(&spu->priv1->tlb_invalidate_entry_W, 0ul); } static void resource_allocation_groupID_set(struct spu *spu, u64 id) { - out_be64(&spu_get_pdata(spu)->priv1->resource_allocation_groupID_RW, - id); + out_be64(&spu->priv1->resource_allocation_groupID_RW, id); } static u64 resource_allocation_groupID_get(struct spu *spu) { - return in_be64( - &spu_get_pdata(spu)->priv1->resource_allocation_groupID_RW); + return in_be64(&spu->priv1->resource_allocation_groupID_RW); } static void resource_allocation_enable_set(struct spu *spu, u64 enable) { - out_be64(&spu_get_pdata(spu)->priv1->resource_allocation_enable_RW, - enable); + out_be64(&spu->priv1->resource_allocation_enable_RW, enable); } static u64 resource_allocation_enable_get(struct spu *spu) { - return in_be64( - &spu_get_pdata(spu)->priv1->resource_allocation_enable_RW); + return in_be64(&spu->priv1->resource_allocation_enable_RW); } const struct spu_priv1_ops spu_priv1_mmio_ops = |