
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@astro-kom.de --- cpu/mcf532x/start.S | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
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 @@ _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 */