[U-Boot-Users] Coldfire 532x PATCH: set up cache for different SDRAM size
w.wegner at astro-kom.de
w.wegner at astro-kom.de
Fri Aug 10 11:28:57 CEST 2007
set up cache correctly for SDRAM size other than 16 MB
Signed-off-by: Wolfgang Wegner <w.wegner at astro-kom.de>
(Is this format correct? Which command should be used to get proper patches?
This patch is for u-boot-5329-early, I can not see a reference in the patch itself?)
--
diff --git a/cpu/mcf532x/start.S b/cpu/mcf532x/start.S
index ac44aaa..1010475 100644
--- a/cpu/mcf532x/start.S
+++ b/cpu/mcf532x/start.S
@@ -268,7 +268,7 @@ _int_handler:
icache_enable:
move.l #0x01000000, %d0 /* Invalidate cache cmd */
movec %d0, %CACR /* Invalidate cache */
- move.l #(CFG_SDRAM_BASE + 0xc000), %d0 /* Setup cache mask */
+ move.l #(CFG_SDRAM_BASE + 0xc000 + ((CFG_SDRAM_SIZE & 0x1fe0) << 11)), %d0
movec %d0, %ACR0 /* Enable cache */
move.l #0x80000200, %d0 /* Setup cache mask */
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