[POWERPC] cell: update Cell BE register definitions
There are a few definitions that are required by subsequent patches,
so add them here.
The original patch is from David Erb, but is significantly cleaned
up by Kevon Corry.
Cc: Kevin Corry <kevcorry@us.ibm.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/cell/cbe_regs.c b/arch/powerpc/platforms/cell/cbe_regs.c
index 2f194ba..5e3e0e9 100644
--- a/arch/powerpc/platforms/cell/cbe_regs.c
+++ b/arch/powerpc/platforms/cell/cbe_regs.c
@@ -8,6 +8,7 @@
#include <linux/percpu.h>
#include <linux/types.h>
+#include <linux/module.h>
#include <asm/io.h>
#include <asm/pgtable.h>
@@ -16,8 +17,6 @@
#include "cbe_regs.h"
-#define MAX_CBE 2
-
/*
* Current implementation uses "cpu" nodes. We build our own mapping
* array of cpu numbers to cpu nodes locally for now to allow interrupt
@@ -30,6 +29,7 @@
struct device_node *cpu_node;
struct cbe_pmd_regs __iomem *pmd_regs;
struct cbe_iic_regs __iomem *iic_regs;
+ struct cbe_mic_tm_regs __iomem *mic_tm_regs;
} cbe_regs_maps[MAX_CBE];
static int cbe_regs_map_count;
@@ -42,6 +42,19 @@
static struct cbe_regs_map *cbe_find_map(struct device_node *np)
{
int i;
+ struct device_node *tmp_np;
+
+ if (strcasecmp(np->type, "spe") == 0) {
+ if (np->data == NULL) {
+ /* walk up path until cpu node was found */
+ tmp_np = np->parent;
+ while (tmp_np != NULL && strcasecmp(tmp_np->type, "cpu") != 0)
+ tmp_np = tmp_np->parent;
+
+ np->data = cbe_find_map(tmp_np);
+ }
+ return np->data;
+ }
for (i = 0; i < cbe_regs_map_count; i++)
if (cbe_regs_maps[i].cpu_node == np)
@@ -56,6 +69,7 @@
return NULL;
return map->pmd_regs;
}
+EXPORT_SYMBOL_GPL(cbe_get_pmd_regs);
struct cbe_pmd_regs __iomem *cbe_get_cpu_pmd_regs(int cpu)
{
@@ -64,7 +78,7 @@
return NULL;
return map->pmd_regs;
}
-
+EXPORT_SYMBOL_GPL(cbe_get_cpu_pmd_regs);
struct cbe_iic_regs __iomem *cbe_get_iic_regs(struct device_node *np)
{
@@ -73,6 +87,7 @@
return NULL;
return map->iic_regs;
}
+
struct cbe_iic_regs __iomem *cbe_get_cpu_iic_regs(int cpu)
{
struct cbe_regs_map *map = cbe_thread_map[cpu].regs;
@@ -81,6 +96,24 @@
return map->iic_regs;
}
+struct cbe_mic_tm_regs __iomem *cbe_get_mic_tm_regs(struct device_node *np)
+{
+ struct cbe_regs_map *map = cbe_find_map(np);
+ if (map == NULL)
+ return NULL;
+ return map->mic_tm_regs;
+}
+
+struct cbe_mic_tm_regs __iomem *cbe_get_cpu_mic_tm_regs(int cpu)
+{
+ struct cbe_regs_map *map = cbe_thread_map[cpu].regs;
+ if (map == NULL)
+ return NULL;
+ return map->mic_tm_regs;
+}
+EXPORT_SYMBOL_GPL(cbe_get_cpu_mic_tm_regs);
+
+
void __init cbe_regs_init(void)
{
int i;
@@ -119,6 +152,11 @@
prop = get_property(cpu, "iic", NULL);
if (prop != NULL)
map->iic_regs = ioremap(prop->address, prop->len);
+
+ prop = (struct address_prop *)get_property(cpu, "mic-tm",
+ NULL);
+ if (prop != NULL)
+ map->mic_tm_regs = ioremap(prop->address, prop->len);
}
}