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Diffstat (limited to 'arch/powerpc/cpu/mpc85xx/release.S')
-rw-r--r--arch/powerpc/cpu/mpc85xx/release.S28
1 files changed, 20 insertions, 8 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/release.S b/arch/powerpc/cpu/mpc85xx/release.S
index fe3b6d6cb..36c79d363 100644
--- a/arch/powerpc/cpu/mpc85xx/release.S
+++ b/arch/powerpc/cpu/mpc85xx/release.S
@@ -143,17 +143,29 @@ __secondary_start_page:
mtspr L1CSR2,r8
#endif
-#if defined(CONFIG_SYS_P4080_ERRATUM_CPU22)
- /* apply to P4080 rev 1 and rev 2 */
+#if defined(CONFIG_SYS_P4080_ERRATUM_CPU22) || \
+ defined(CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011)
+ /*
+ * CPU22 applies to P4080 rev 1.0, 2.0, fixed in 3.0
+ * NMG_CPU_A011 applies to P4080 rev 1.0, 2.0, fixed in 3.0
+ * also appleis to P3041 rev 1.0, 1.1, P2041 rev 1.0, 1.1
+ */
mfspr r3,SPRN_SVR
+ rlwinm r6,r3,24,~0x800 /* clear E bit */
+
+ lis r5,SVR_P4080@h
+ ori r5,r5,SVR_P4080@l
+ cmpw r6,r5
+ bne 1f
+
rlwinm r3,r3,0,0xf0
- li r4,0x30
- cmpw r3,r4
+ li r5,0x30
+ cmpw r3,r5
bge 2f
-
- mfspr r8,L1CSR2
- oris r8,r8,(L1CSR2_DCWS)@h
- mtspr L1CSR2,r8
+1:
+ mfspr r3,L1CSR2
+ oris r3,r3,(L1CSR2_DCWS)@h
+ mtspr L1CSR2,r3
2:
#endif