summaryrefslogtreecommitdiff
path: root/arch/powerpc/cpu/mpc85xx/release.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/release.S')
-rw-r--r--arch/powerpc/cpu/mpc85xx/release.S15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/release.S b/arch/powerpc/cpu/mpc85xx/release.S
index 1860684..1555a9b 100644
--- a/arch/powerpc/cpu/mpc85xx/release.S
+++ b/arch/powerpc/cpu/mpc85xx/release.S
@@ -163,6 +163,12 @@ __secondary_start_page:
cmpw r3,r5
bge 2f
1:
+#ifdef CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011
+ lis r3,toreset(enable_cpu_a011_workaround)@ha
+ lwz r3,toreset(enable_cpu_a011_workaround)@l(r3)
+ cmpwi r3,0
+ beq 2f
+#endif
mfspr r3,L1CSR2
oris r3,r3,(L1CSR2_DCWS)@h
mtspr L1CSR2,r3
@@ -346,6 +352,15 @@ __bootpg_addr:
__spin_table:
.space CONFIG_MAX_CPUS*ENTRY_SIZE
+ /*
+ * This variable is set by cpu_init_r() after parsing hwconfig
+ * to enable workaround for erratum NMG_CPU_A011.
+ */
+ .align L1_CACHE_SHIFT
+ .global enable_cpu_a011_workaround
+enable_cpu_a011_workaround:
+ .long 1
+
/* Fill in the empty space. The actual reset vector is
* the last word of the page */
__secondary_start_code_end: