diff options
| author | TsiChung <tcliew@Goku.(none)> | 2007-07-10 15:45:43 -0500 |
|---|---|---|
| committer | John Rigby <jrigby@freescale.com> | 2007-07-10 14:29:10 -0600 |
| commit | 0dca874db62718e41253659e60f3a1de7eb418ce (patch) | |
| tree | 358165147025f019ff3b71149749b46dd44fd717 /cpu/mcf532x | |
| parent | 52b017604a8f4d4a795880ef6e7861d7f2f1b005 (diff) | |
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 <tcliew@Goku.(none)>
Diffstat (limited to 'cpu/mcf532x')
| -rw-r--r-- | cpu/mcf532x/cpu_init.c | 3 | ||||
| -rw-r--r-- | cpu/mcf532x/start.S | 12 |
2 files changed, 7 insertions, 8 deletions
diff --git a/cpu/mcf532x/cpu_init.c b/cpu/mcf532x/cpu_init.c index b056fbe31..32711a174 100644 --- a/cpu/mcf532x/cpu_init.c +++ b/cpu/mcf532x/cpu_init.c @@ -113,6 +113,8 @@ void cpu_init_f(void) fbcs->cscr5 = CFG_CS5_CTRL; fbcs->csmr5 = CFG_CS5_MASK; #endif + + icache_enable(); } /* @@ -120,6 +122,5 @@ void cpu_init_f(void) */ int cpu_init_r(void) { - icache_enable(); return (0); } diff --git a/cpu/mcf532x/start.S b/cpu/mcf532x/start.S index acd34941a..ac44aaabe 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 |