From 0dca874db62718e41253659e60f3a1de7eb418ce Mon Sep 17 00:00:00 2001 From: TsiChung Date: Tue, 10 Jul 2007 15:45:43 -0500 Subject: Cache update and added CFG_UNIFY_CACHE Enabled cache in cpu_init_f() for faster flash to mem allocation. Updated cache handling in start.S. Applied cache invalidate in fec_send() and fec_recv(). Added CFG_UNIFY_CACHE for CF V3 only. Signed-off-by: TsiChung --- cpu/mcf532x/start.S | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) (limited to 'cpu/mcf532x/start.S') diff --git a/cpu/mcf532x/start.S b/cpu/mcf532x/start.S index acd3494..ac44aaa 100644 --- a/cpu/mcf532x/start.S +++ b/cpu/mcf532x/start.S @@ -270,8 +270,6 @@ icache_enable: movec %d0, %CACR /* Invalidate cache */ move.l #(CFG_SDRAM_BASE + 0xc000), %d0 /* Setup cache mask */ movec %d0, %ACR0 /* Enable cache */ - move.l #(CFG_CS0_BASE + 0x0000), %d0 /* Setup cache mask */ - movec %d0, %ACR1 /* Enable cache */ move.l #0x80000200, %d0 /* Setup cache mask */ movec %d0, %CACR /* Enable cache */ @@ -284,11 +282,11 @@ icache_enable: .globl icache_disable icache_disable: - move.l #0x00000100, %d0 /* Setup cache mask */ - movec %d0, %CACR /* Enable cache */ + move.l #0x01000000, %d0 /* Setup cache mask */ + movec %d0, %CACR /* Disable cache */ clr.l %d0 /* Setup cache mask */ - movec %d0, %ACR0 /* Enable cache */ - movec %d0, %ACR1 /* Enable cache */ + movec %d0, %ACR0 + movec %d0, %ACR1 move.l #(CFG_INIT_RAM_ADDR+CFG_INIT_RAM_END-8), %a1 moveq #0, %d0 @@ -303,7 +301,7 @@ icache_status: .globl icache_invalid icache_invalid: - move.l #0x01000000, %d0 /* Setup cache mask */ + move.l #0x81000200, %d0 /* Setup cache mask */ movec %d0, %CACR /* Enable cache */ rts -- cgit v1.1