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ppc4xx: Enable cache support on the ALPR board 

Signed-off-by: Pieter Voorthuijsen <pv@prodrive.nl>
This commit is contained in:
Pieter Voorthuijsen 2008-03-17 09:27:56 +01:00 committed by Stefan Roese
parent 14f73ca679
commit 511e4f9e7f
2 changed files with 10 additions and 0 deletions
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9
board/prodrive/alpr/init.S
View File

@ -90,7 +90,16 @@ tlbtab:
tlbentry( CFG_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_R|AC_W|SA_G|SA_I )
tlbentry( CFG_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_R|AC_W|AC_X )
tlbentry( CFG_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_R|AC_W|AC_X )
#ifdef CONFIG_4xx_DCACHE
tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G)
#else
tlbentry( CFG_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
#endif
#ifdef CFG_INIT_RAM_DCACHE
/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G )
#endif
tlbentry( CFG_PCI_BASE, SZ_256M, 0x00000000, 2, AC_R|AC_W|SA_G|SA_I )
/* PCI */

1
include/configs/alpr.h
View File

@ -35,6 +35,7 @@
#define CONFIG_LAST_STAGE_INIT 1 /* call last_stage_init() */
#undef CFG_DRAM_TEST /* Disable-takes long time! */
#define CONFIG_SYS_CLK_FREQ 33333333 /* external freq to pll */
#define CONFIG_4xx_DCACHE /* Enable i- and d-cache */
/*-----------------------------------------------------------------------
* Base addresses -- Note these are effective addresses where the