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Diffstat (limited to 'arch/powerpc/platforms/cell/spu_priv1_mmio.c')
-rw-r--r--arch/powerpc/platforms/cell/spu_priv1_mmio.c95
1 files changed, 53 insertions, 42 deletions
diff --git a/arch/powerpc/platforms/cell/spu_priv1_mmio.c b/arch/powerpc/platforms/cell/spu_priv1_mmio.c
index a5de0430c56..910a926b61a 100644
--- a/arch/powerpc/platforms/cell/spu_priv1_mmio.c
+++ b/arch/powerpc/platforms/cell/spu_priv1_mmio.c
@@ -37,8 +37,9 @@
#include "interrupt.h"
#include "spu_priv1_mmio.h"
+static DEFINE_MUTEX(add_spumem_mutex);
+
struct spu_pdata {
- int nid;
struct device_node *devnode;
struct spu_priv1 __iomem *priv1;
};
@@ -56,20 +57,9 @@ struct device_node *spu_devnode(struct spu *spu)
EXPORT_SYMBOL_GPL(spu_devnode);
-static int __init find_spu_node_id(struct device_node *spe)
-{
- const unsigned int *id;
- struct device_node *cpu;
- cpu = spe->parent->parent;
- id = get_property(cpu, "node-id", NULL);
- return id ? *id : 0;
-}
-
static int __init cell_spuprop_present(struct spu *spu, struct device_node *spe,
const char *prop)
{
- static DEFINE_MUTEX(add_spumem_mutex);
-
const struct address_prop {
unsigned long address;
unsigned int len;
@@ -87,7 +77,7 @@ static int __init cell_spuprop_present(struct spu *spu, struct device_node *spe,
start_pfn = p->address >> PAGE_SHIFT;
nr_pages = ((unsigned long)p->len + PAGE_SIZE - 1) >> PAGE_SHIFT;
- pgdata = NODE_DATA(spu_get_pdata(spu)->nid);
+ pgdata = NODE_DATA(spu->node);
zone = pgdata->node_zones;
/* XXX rethink locking here */
@@ -140,6 +130,7 @@ static int __init spu_map_interrupts_old(struct spu *spu,
{
unsigned int isrc;
const u32 *tmp;
+ int nid;
/* Get the interrupt source unit from the device-tree */
tmp = get_property(np, "isrc", NULL);
@@ -147,8 +138,15 @@ static int __init spu_map_interrupts_old(struct spu *spu,
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 |= spu->node << IIC_IRQ_NODE_SHIFT;
+ 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);
@@ -237,70 +235,88 @@ err:
return ret;
}
-static int spu_map_resource(struct device_node *node, int nr,
- void __iomem** virt, unsigned long *phys)
+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(node, nr, &resource);
+ ret = of_address_to_resource(np, nr, &resource);
if (ret)
goto out;
if (phys)
*phys = resource.start;
- *virt = ioremap(resource.start, resource.end - 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 *node)
+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(node, "name", NULL);
+
+ spu->name = get_property(np, "name", NULL);
if (!spu->name)
goto out;
- ret = spu_map_resource(node, 0, (void __iomem**)&spu->local_store,
- &spu->local_store_phys);
+ 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",
- node->full_name);
+ np->full_name);
goto out;
}
- ret = spu_map_resource(node, 1, (void __iomem**)&spu->problem,
- &spu->problem_phys);
+ 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",
- node->full_name);
+ np->full_name);
goto out_unmap;
}
- ret = spu_map_resource(node, 2, (void __iomem**)&spu->priv2,
- NULL);
+ ret = spu_map_resource(spu, 2, (void __iomem**)&spu->priv2, NULL);
if (ret) {
pr_debug("spu_new: failed to map %s resource 2\n",
- node->full_name);
+ np->full_name);
goto out_unmap;
}
if (!firmware_has_feature(FW_FEATURE_LPAR))
- ret = spu_map_resource(node, 3,
- (void __iomem**)&spu_get_pdata(spu)->priv1, NULL);
+ 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",
- node->full_name);
+ np->full_name);
goto out_unmap;
}
- pr_debug("spu_new: %s maps:\n", node->full_name);
+ 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);
+ spu_get_pdata(spu)->priv1);
return 0;
@@ -340,8 +356,9 @@ static int __init of_create_spu(struct spu *spu, void *data)
ret = -ENOMEM;
goto out;
}
+ spu_get_pdata(spu)->devnode = of_node_get(spe);
- spu->node = find_spu_node_id(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);
@@ -350,11 +367,7 @@ static int __init of_create_spu(struct spu *spu, void *data)
goto out_free;
}
- spu_get_pdata(spu)->nid = of_node_to_nid(spe);
- if (spu_get_pdata(spu)->nid == -1)
- spu_get_pdata(spu)->nid = 0;
-
- ret = spu_map_device(spu, spe);
+ ret = spu_map_device(spu);
/* try old method */
if (ret)
ret = spu_map_device_old(spu, spe);
@@ -367,8 +380,6 @@ static int __init of_create_spu(struct spu *spu, void *data)
if (ret)
goto out_unmap;
- spu_get_pdata(spu)->devnode = of_node_get(spe);
-
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);
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-07 22:01:36 +0000