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authorAndy Fleming <afleming@freescale.com>2013-03-25 07:33:10 +0000
committerAndy Fleming <afleming@freescale.com>2013-05-14 16:00:24 -0500
commitcd7ad629960bf53eb2d7247ce1d499770b316116 (patch)
tree6d23da72e7bfba9f924498fff82eca94e03b6980 /arch
parent0cb3325cd3a2f574c0ab73ab83b892c27cacab74 (diff)
powerpc/mpc85xx: Add definitions for HDBCR registers
Makes it a bit easier to see if we've properly set them. While we're in there, modify the accesses to HDBCR0 and HDBCR1 to actually use those definitions. Signed-off-by: Andy Fleming <afleming@freescale.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/cpu/mpc85xx/release.S8
-rw-r--r--arch/powerpc/cpu/mpc85xx/start.S8
-rw-r--r--arch/powerpc/include/asm/processor.h10
3 files changed, 18 insertions, 8 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/release.S b/arch/powerpc/cpu/mpc85xx/release.S
index 5c4b1e3b75..0dea871782 100644
--- a/arch/powerpc/cpu/mpc85xx/release.S
+++ b/arch/powerpc/cpu/mpc85xx/release.S
@@ -69,9 +69,9 @@ __secondary_start_page:
#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_CPU_A003999
- mfspr r3,977
+ mfspr r3,SPRN_HDBCR1
oris r3,r3,0x0100
- mtspr 977,r3
+ mtspr SPRN_HDBCR1,r3
#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_A004510
@@ -93,10 +93,10 @@ __secondary_start_page:
1: /* Erratum says set bits 55:60 to 001001 */
msync
isync
- mfspr r3,976
+ mfspr r3,SPRN_HDBCR0
li r4,0x48
rlwimi r3,r4,0,0x1f8
- mtspr 976,r3
+ mtspr SPRN_HDBCR0,r3
isync
2:
#endif
diff --git a/arch/powerpc/cpu/mpc85xx/start.S b/arch/powerpc/cpu/mpc85xx/start.S
index 3f76ee66cf..2ce5505e00 100644
--- a/arch/powerpc/cpu/mpc85xx/start.S
+++ b/arch/powerpc/cpu/mpc85xx/start.S
@@ -116,10 +116,10 @@ _start_e500:
/* Erratum says set bits 55:60 to 001001 */
msync
isync
- mfspr r3,976
+ mfspr r3,SPRN_HDBCR0
li r4,0x48
rlwimi r3,r4,0,0x1f8
- mtspr 976,r3
+ mtspr SPRN_HDBCR0,r3
isync
2:
#endif
@@ -372,9 +372,9 @@ l2_disabled:
#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_CPU_A003999
- mfspr r3,977
+ mfspr r3,SPRN_HDBCR1
oris r3,r3,0x0100
- mtspr 977,r3
+ mtspr SPRN_HDBCR1,r3
#endif
/* Enable Branch Prediction */
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 8c91f0849b..1ecf266b46 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -575,6 +575,16 @@
#define SPRN_MSSSR0 0x3f7
#endif
+#define SPRN_HDBCR0 0x3d0
+#define SPRN_HDBCR1 0x3d1
+#define SPRN_HDBCR2 0x3d2
+#define SPRN_HDBCR3 0x3d3
+#define SPRN_HDBCR4 0x3d4
+#define SPRN_HDBCR5 0x3d5
+#define SPRN_HDBCR6 0x3d6
+#define SPRN_HDBCR7 0x277
+#define SPRN_HDBCR8 0x278
+
/* Short-hand versions for a number of the above SPRNs */
#define CTR SPRN_CTR /* Counter Register */