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MCF532x: make icache_enable use CONFIG_SYS_SDRAM_SIZE

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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>
This commit is contained in:
Wolfgang Wegner 2009-10-28 15:11:00 -05:00 committed by TsiChung Liew
parent 870bf3ee60
commit 992d712950
1 changed files with 1 additions and 1 deletions
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2
cpu/mcf532x/start.S
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@ -280,7 +280,7 @@ _int_handler:
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 */