[U-Boot] [PATCH] Marvell Feroceon-FR131/Sheeva-88SV131 cpu core support
Prafulla Wadaskar
prafulla at marvell.com
Sat Apr 4 00:39:26 CEST 2009
This is ARM v5TE-compliant processor core with
MMU and L1/L2 Cache
Signed-off-by: prafulla_wadaskar <prafulla at marvell.com>
Reviewed by: Ronen Shitrit <rshitrit at marvell.com>
---
cpu/arm926ejs/start.S | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/cpu/arm926ejs/start.S b/cpu/arm926ejs/start.S
index ed4932a..08ec955 100644
--- a/cpu/arm926ejs/start.S
+++ b/cpu/arm926ejs/start.S
@@ -214,10 +214,15 @@ cpu_init_crit:
* disable MMU stuff and caches
*/
mrc p15, 0, r0, c1, c0, 0
+#if defined (CONFIG_FEROCEON_88FR131) || defined (CONFIG_SHEEVA_88SV131)
+ bic r0, r0, #0x00000007 /* clear bits 2:0 (CAM) */
+ orr r0, r0, #0x00000002 /* set bit 2 (A) Align */
+#else
bic r0, r0, #0x00002300 /* clear bits 13, 9:8 (--V- --RS) */
bic r0, r0, #0x00000087 /* clear bits 7, 2:0 (B--- -CAM) */
orr r0, r0, #0x00000002 /* set bit 2 (A) Align */
orr r0, r0, #0x00001000 /* set bit 12 (I) I-Cache */
+#endif
mcr p15, 0, r0, c1, c0, 0
/*
--
1.5.3.3
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