We need to flash invalidate the locks in addition to the cache
before we enable.
Signed-off-by: Kumar Gala <ga...@kernel.crashing.org>
---
cpu/mpc85xx/cpu_init.c | 4 ++--
cpu/mpc85xx/release.S | 3 ++-
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c
index 428b461..726182f 100644
--- a/cpu/mpc85xx/cpu_init.c
+++ b/cpu/mpc85xx/cpu_init.c
@@ -348,8 +348,8 @@ int cpu_init_r(void)
u32 l2cfg0 = mfspr(SPRN_L2CFG0);
/* invalidate the L2 cache */
- mtspr(SPRN_L2CSR0, L2CSR0_L2FI);
- while (mfspr(SPRN_L2CSR0) & L2CSR0_L2FI)
+ mtspr(SPRN_L2CSR0, (L2CSR0_L2FI|L2CSR0_L2LFC));
+ while (mfspr(SPRN_L2CSR0) & (L2CSR0_L2FI|L2CSR0_L2LFC))
;
/* enable the cache */
diff --git a/cpu/mpc85xx/release.S b/cpu/mpc85xx/release.S
index 074b056..ecbd0d5 100644
--- a/cpu/mpc85xx/release.S
+++ b/cpu/mpc85xx/release.S
@@ -102,7 +102,8 @@ __secondary_start_page:
#ifdef CONFIG_BACKSIDE_L2_CACHE
/* Enable/invalidate the L2 cache */
msync
- lis r3,l2csr0_l...@h
+ lis r3,(L2CSR0_L2FI|L2CSR0_L2LFC)@h
+ ori r3,r3,(L2CSR0_L2FI|L2CSR0_L2LFC)@l
mtspr SPRN_L2CSR0,r3
1:
mfspr r3,SPRN_L2CSR0
--
1.6.0.6
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