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authorMichal Simek <monstr@monstr.eu>2010-08-13 12:47:42 +0200
committerMichal Simek <monstr@monstr.eu>2010-10-21 15:51:57 +1000
commit8e2ad016b20f98790d5995aae1d157d1613ab9e6 (patch)
treee1eb651eff6d7f45c0a3e8316a26112611ad5f4d /arch/microblaze/include
parent44180a573ec936cd989a7c0478f5fd1cf8e1ebc3 (diff)
microblaze: Add PVR for endians plus detection
Upcomming microblaze version will support little-endian. Signed-off-by: Michal Simek <monstr@monstr.eu> Acked-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/microblaze/include')
-rw-r--r--arch/microblaze/include/asm/cpuinfo.h1
-rw-r--r--arch/microblaze/include/asm/pvr.h3
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/cpuinfo.h b/arch/microblaze/include/asm/cpuinfo.h
index b4f5ca33aebf..0d4f0ce3ff7c 100644
--- a/arch/microblaze/include/asm/cpuinfo.h
+++ b/arch/microblaze/include/asm/cpuinfo.h
@@ -38,6 +38,7 @@ struct cpuinfo {
u32 use_exc;
u32 ver_code;
u32 mmu;
+ u32 endian;
/* CPU caches */
u32 use_icache;
diff --git a/arch/microblaze/include/asm/pvr.h b/arch/microblaze/include/asm/pvr.h
index 316105531d55..37db96a15b45 100644
--- a/arch/microblaze/include/asm/pvr.h
+++ b/arch/microblaze/include/asm/pvr.h
@@ -32,6 +32,7 @@ struct pvr_s {
#define PVR0_USE_DCACHE_MASK 0x01000000
#define PVR0_USE_MMU 0x00800000
#define PVR0_USE_BTC 0x00400000
+#define PVR0_ENDI 0x00200000
#define PVR0_VERSION_MASK 0x0000FF00
#define PVR0_USER1_MASK 0x000000FF
@@ -209,6 +210,8 @@ struct pvr_s {
#define PVR_MMU_TLB_ACCESS(pvr) (pvr.pvr[11] & PVR11_MMU_TLB_ACCESS)
#define PVR_MMU_ZONES(pvr) (pvr.pvr[11] & PVR11_MMU_ZONES)
+/* endian */
+#define PVR_ENDIAN(pvr) (pvr.pvr[0] & PVR0_ENDI)
int cpu_has_pvr(void);
void get_pvr(struct pvr_s *pvr);