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Cache update and added CFG_UNIFY_CACHE

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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)>
This commit is contained in:
TsiChung
2007-07-10 15:45:43 -05:00
committed by John Rigby
parent 52b017604a
commit 0dca874db6
4 changed files with 29 additions and 38 deletions
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3
cpu/mcf532x/cpu_init.c
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@@ -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);
}

12
cpu/mcf532x/start.S
View File

@@ -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