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rt-thread-official
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fix MMU table overwrite issue 

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1007 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
qiuyiuestc 2010-10-10 11:50:44 +00:00
parent acfbfad25e
commit 809f8c5fd3
1 changed files with 5 additions and 5 deletions
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8
libcpu/arm/s3c24x0/mmu.c
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@ -16,8 +16,7 @@
#include <rtthread.h>
#include "s3c24x0.h"
// #define _MMUTT_STARTADDRESS 0x30080000
#define _MMUTT_STARTADDRESS 0x30400000
#define _MMUTT_STARTADDRESS 0x33FF0000
#define DESC_SEC (0x2|(1<<4))
#define CB (3<<2) //cache_on, write_back
@ -367,9 +366,9 @@ void rt_hw_mmu_init(void)
mmu_setmtt(0x28000000,0x2ff00000,0x28000000,RW_NCNB); //bank5
//30f00000->30100000, 31000000->30200000
mmu_setmtt(0x30000000,0x30100000,0x30000000,RW_CB); //bank6-1
mmu_setmtt(0x30200000,0x33e00000,0x30200000,RW_NCNB); //bank6-2
mmu_setmtt(0x30200000,0x33e00000,0x30200000,RW_CB); //bank6-2
mmu_setmtt(0x33f00000,0x33f00000,0x33f00000,RW_CB); //bank6-3
mmu_setmtt(0x33f00000,0x34000000,0x33f00000,RW_NCNB); //bank6-3
mmu_setmtt(0x38000000,0x3ff00000,0x38000000,RW_NCNB); //bank7
mmu_setmtt(0x40000000,0x47f00000,0x40000000,RW_NCNB); //SFR
@ -392,3 +391,4 @@ void rt_hw_mmu_init(void)
/* DCache should be turned on after mmu is turned on. */
mmu_enable_dcache();
}