commit 992d7129500d239d684c15fa2d61e0a8f2e64457
author Wolfgang Wegner <w.wegner@astro-kom.de> Wed Oct 28 15:11:00 2009 -0500
committer TsiChung Liew <tsicliew@gmail.com> Thu Mar 04 01:46:21 2010 -0600
tree 5d0b62f3cadac66aa9f69399d57f029f9e89edd1
parent 870bf3ee60320b58f8970ffe3ddebda0e8ac62f7

MCF532x: make icache_enable use CONFIG_SYS_SDRAM_SIZE

in cpu/mcf532x/start.S, the function icache_enable enables the cache for
a fixed 32MB region starting at the SDRAM start address; this patch
changes the function to cover the region defined by CONFIG_SYS_SDRAM_SIZE

Signed-off-by: Wolfgang Wegner <w.wegner at astro-kom.de>

cpu/mcf532x/start.S

diff --git a/cpu/mcf532x/start.S b/cpu/mcf532x/start.S
index a46c47a..ff13a9f 100644
--- a/cpu/mcf532x/start.S
+++ b/cpu/mcf532x/start.S
@@ -280,7 +280,7 @@
 icache_enable:
 	move.l	#0x01000000, %d0		/* Invalidate cache cmd */
 	movec	%d0, %CACR			/* Invalidate cache */
-	move.l	#(CONFIG_SYS_SDRAM_BASE + 0x1c000), %d0
+	move.l  #(CONFIG_SYS_SDRAM_BASE + 0xc000 + ((CONFIG_SYS_SDRAM_SIZE & 0x1fe0) << 11)), %d0
 	movec	%d0, %ACR0			/* Enable cache */
 
 	move.l	#0x80000200, %d0		/* Setup cache mask */