aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAnton Blanchard <anton@samba.org>2006-12-08 17:51:13 +1100
committerPaul Mackerras <paulus@samba.org>2006-12-09 11:39:06 +1100
commitf050982a9b7c4edc414f0d5543c3cb24504223c6 (patch)
tree250bc2206aacc6cdabfcd4e0ada3c8ae30ca39c2
parent4c198557c6b45956a6f54b958fb97a15b02a6a3b (diff)
[POWERPC] Add SPURR SPR to sysfs
Now we have a SPURR cpu feature bit, we can export it to userspace in sysfs. Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
-rw-r--r--arch/powerpc/kernel/sysfs.c8
-rw-r--r--include/asm-powerpc/reg.h1
2 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 22daba56c86..400ab2b946e 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -181,6 +181,7 @@ SYSFS_PMCSETUP(pmc6, SPRN_PMC6);
SYSFS_PMCSETUP(pmc7, SPRN_PMC7);
SYSFS_PMCSETUP(pmc8, SPRN_PMC8);
SYSFS_PMCSETUP(purr, SPRN_PURR);
+SYSFS_PMCSETUP(spurr, SPRN_SPURR);
SYSFS_PMCSETUP(dscr, SPRN_DSCR);
static SYSDEV_ATTR(mmcr0, 0600, show_mmcr0, store_mmcr0);
@@ -195,6 +196,7 @@ static SYSDEV_ATTR(pmc6, 0600, show_pmc6, store_pmc6);
static SYSDEV_ATTR(pmc7, 0600, show_pmc7, store_pmc7);
static SYSDEV_ATTR(pmc8, 0600, show_pmc8, store_pmc8);
static SYSDEV_ATTR(purr, 0600, show_purr, NULL);
+static SYSDEV_ATTR(spurr, 0600, show_spurr, NULL);
static SYSDEV_ATTR(dscr, 0600, show_dscr, store_dscr);
static void register_cpu_online(unsigned int cpu)
@@ -234,6 +236,9 @@ static void register_cpu_online(unsigned int cpu)
if (cpu_has_feature(CPU_FTR_PURR))
sysdev_create_file(s, &attr_purr);
+ if (cpu_has_feature(CPU_FTR_SPURR))
+ sysdev_create_file(s, &attr_spurr);
+
if (cpu_has_feature(CPU_FTR_DSCR))
sysdev_create_file(s, &attr_dscr);
}
@@ -278,6 +283,9 @@ static void unregister_cpu_online(unsigned int cpu)
if (cpu_has_feature(CPU_FTR_PURR))
sysdev_remove_file(s, &attr_purr);
+ if (cpu_has_feature(CPU_FTR_SPURR))
+ sysdev_remove_file(s, &attr_spurr);
+
if (cpu_has_feature(CPU_FTR_DSCR))
sysdev_remove_file(s, &attr_dscr);
}
diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h
index cacdecca610..a3631b15754 100644
--- a/include/asm-powerpc/reg.h
+++ b/include/asm-powerpc/reg.h
@@ -164,6 +164,7 @@
#define SPRN_TBRU 0x10D /* Time Base Read Upper Register (user, R/O) */
#define SPRN_TBWL 0x11C /* Time Base Lower Register (super, R/W) */
#define SPRN_TBWU 0x11D /* Time Base Upper Register (super, R/W) */
+#define SPRN_SPURR 0x134 /* Scaled PURR */
#define SPRN_HIOR 0x137 /* 970 Hypervisor interrupt offset */
#define SPRN_DBAT0L 0x219 /* Data BAT 0 Lower Register */
#define SPRN_DBAT0U 0x218 /* Data BAT 0 Upper Register */