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authorKumar Gala <galak@kernel.crashing.org>2008-01-08 07:22:21 (GMT)
committerAndrew Fleming-AFLEMING <afleming@freescale.com>2008-01-09 22:25:04 (GMT)
commitb009f3eca99bb7b9e6ba6639a8909a138dd5e9fe (patch)
tree4346cd75759fe027b7d6871e54965871efd80f94 /include/asm-ppc
parentb964e9368f45372aaf1da0c13fe56f6d81ae8e96 (diff)
downloadu-boot-b009f3eca99bb7b9e6ba6639a8909a138dd5e9fe.tar.xz
85xx: Remove cache config from configs.h
Either use the standard defines in asm/cache.h or grab the information at runtime from the L1CFG SPR. Also, minor cleanup in cache.h to make the code a bit more readable. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'include/asm-ppc')
-rw-r--r--include/asm-ppc/cache.h10
-rw-r--r--include/asm-ppc/processor.h4
2 files changed, 8 insertions, 6 deletions
diff --git a/include/asm-ppc/cache.h b/include/asm-ppc/cache.h
index e29bfc2..9d9b971 100644
--- a/include/asm-ppc/cache.h
+++ b/include/asm-ppc/cache.h
@@ -8,15 +8,13 @@
#include <asm/processor.h>
/* bytes per L1 cache line */
-#if !(defined(CONFIG_8xx) || defined(CONFIG_IOP480))
-#if defined(CONFIG_PPC64BRIDGE)
+#if defined(CONFIG_8xx) || defined(CONFIG_IOP480)
+#define L1_CACHE_SHIFT 4
+#elif defined(CONFIG_PPC64BRIDGE)
#define L1_CACHE_SHIFT 7
#else
#define L1_CACHE_SHIFT 5
-#endif /* PPC64 */
-#else
-#define L1_CACHE_SHIFT 4
-#endif /* !(8xx || IOP480) */
+#endif
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
diff --git a/include/asm-ppc/processor.h b/include/asm-ppc/processor.h
index 9fbbdf8..86c5df2 100644
--- a/include/asm-ppc/processor.h
+++ b/include/asm-ppc/processor.h
@@ -424,6 +424,8 @@
#define SPRN_IVOR15 0x19f /* Interrupt Vector Offset Register 15 */
/* e500 definitions */
+#define SPRN_L1CFG0 0x203 /* L1 Cache Configuration Register 0 */
+#define SPRN_L1CFG1 0x204 /* L1 Cache Configuration Register 1 */
#define SPRN_L1CSR0 0x3f2 /* L1 Data Cache Control and Status Register 0 */
#define L1CSR0_CPE 0x00010000 /* Data Cache Parity Enable */
#define L1CSR0_DCFI 0x00000002 /* Data Cache Flash Invalidate */
@@ -621,6 +623,8 @@
#define MCSRR1 SPRN_MCSRR1
#define L1CSR0 SPRN_L1CSR0
#define L1CSR1 SPRN_L1CSR1
+#define L1CFG0 SPRN_L1CFG0
+#define L1CFG1 SPRN_L1CFG1
#define MCSR SPRN_MCSR
#define MMUCSR0 SPRN_MMUCSR0
#define BUCSR SPRN_BUCSR