summaryrefslogtreecommitdiffstats
path: root/arch/microblaze/kernel/cpu
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-05-07 11:17:13 +0200
committerIngo Molnar <mingo@elte.hu>2009-05-07 11:17:34 +0200
commit44347d947f628060b92449702071bfe1d31dfb75 (patch)
treec6ed74610d5b3295df4296659f80f5feb94b28cc /arch/microblaze/kernel/cpu
parentd94fc523f3c35bd8013f04827e94756cbc0212f4 (diff)
parent413f81eba35d6ede9289b0c8a920c013a84fac71 (diff)
Merge branch 'linus' into tracing/core
Merge reason: tracing/core was on a .30-rc1 base and was missing out on on a handful of tracing fixes present in .30-rc5-almost. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/microblaze/kernel/cpu')
-rw-r--r--arch/microblaze/kernel/cpu/cache.c3
-rw-r--r--arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c9
-rw-r--r--arch/microblaze/kernel/cpu/cpuinfo.c2
-rw-r--r--arch/microblaze/kernel/cpu/mb.c4
4 files changed, 10 insertions, 8 deletions
diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c
index be9fecca4f9..af866a45012 100644
--- a/arch/microblaze/kernel/cpu/cache.c
+++ b/arch/microblaze/kernel/cpu/cache.c
@@ -100,7 +100,6 @@ void _enable_dcache(void)
void _disable_dcache(void)
{
- if (cpuinfo.use_dcache) {
#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
__asm__ __volatile__ (" \
msrclr r0, %0; \
@@ -119,12 +118,10 @@ void _disable_dcache(void)
: "i" (MSR_DCE) \
: "memory", "r12");
#endif
- }
}
void _invalidate_dcache(unsigned int addr)
{
- if (cpuinfo.use_dcache)
__asm__ __volatile__ (" \
wdc %0, r0" \
: \
diff --git a/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c b/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c
index cf7424a6bb8..153f57c57b6 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo-pvr-full.c
@@ -30,6 +30,13 @@ void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu)
int temp; /* for saving temp value */
get_pvr(&pvr);
+ CI(ver_code, VERSION);
+ if (!ci->ver_code) {
+ printk(KERN_ERR "ERROR: MB has broken PVR regs "
+ "-> use DTS setting\n");
+ return;
+ }
+
temp = PVR_USE_BARREL(pvr) | PVR_USE_MSR_INSTR(pvr) |\
PVR_USE_PCMP_INSTR(pvr) | PVR_USE_DIV(pvr);
if (ci->use_instr != temp)
@@ -60,8 +67,6 @@ void set_cpuinfo_pvr_full(struct cpuinfo *ci, struct device_node *cpu)
CI(mmu, USE_MMU);
- CI(ver_code, VERSION);
-
CI(use_icache, USE_ICACHE);
CI(icache_tagbits, ICACHE_ADDR_TAG_BITS);
CI(icache_write, ICACHE_ALLOW_WR);
diff --git a/arch/microblaze/kernel/cpu/cpuinfo.c b/arch/microblaze/kernel/cpu/cpuinfo.c
index 4a740dfcf6d..a10bea119b9 100644
--- a/arch/microblaze/kernel/cpu/cpuinfo.c
+++ b/arch/microblaze/kernel/cpu/cpuinfo.c
@@ -71,7 +71,7 @@ void __init setup_cpuinfo(void)
__func__);
set_cpuinfo_static(&cpuinfo, cpu);
break;
-/* FIXME I found weird behavior with MB 7.00.a/b
+/* FIXME I found weird behavior with MB 7.00.a/b 7.10.a
* please do not use FULL PVR with MMU */
case 1:
printk(KERN_INFO "%s: Using full CPU PVR support\n",
diff --git a/arch/microblaze/kernel/cpu/mb.c b/arch/microblaze/kernel/cpu/mb.c
index 3b6212bdc8d..4dcfccdbc36 100644
--- a/arch/microblaze/kernel/cpu/mb.c
+++ b/arch/microblaze/kernel/cpu/mb.c
@@ -115,8 +115,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
cpuinfo.hw_debug ? "yes" : "no");
count += seq_printf(m,
- "PVR-USR1:\t%x\n"
- "PVR-USR2:\t%x\n",
+ "PVR-USR1:\t%02x\n"
+ "PVR-USR2:\t%08x\n",
cpuinfo.pvr_user1,
cpuinfo.pvr_user2);