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-rw-r--r--cpu/ppc4xx/start.S8
1 files changed, 7 insertions, 1 deletions
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index cdfc9436b0..8d2777dcd9 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -403,7 +403,8 @@ rsttlb: tlbwe r0,r1,0x0000 /* Invalidate all entries (V=0)*/
2:
#if defined(CONFIG_NAND_SPL)
-#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
+ defined(CONFIG_460EX) || defined(CONFIG_460GT)
/*
* Enable internal SRAM (only on 440EPx/GRx, 440EP/GR have no OCM)
*/
@@ -415,6 +416,11 @@ rsttlb: tlbwe r0,r1,0x0000 /* Invalidate all entries (V=0)*/
mfdcr r1,isram0_pmeg
and r1,r1,r2 /* Disable pwr mgmt */
mtdcr isram0_pmeg,r1
+#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
+ lis r1,0x4000 /* BAS = 8000_0000 */
+ ori r1,r1,0x4580 /* 16k */
+ mtdcr isram0_sb0cr,r1
+#endif
#endif
#if defined(CONFIG_440EP)
/*
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