[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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