Firebee/BaS_gcc
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modify 1st page to cache mode PASSTHROUGH

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This commit is contained in:
Markus Fröschle
2016-04-02 18:56:20 +00:00
parent 181a83db5a
commit 627aa0c2c4
5 changed files with 7 additions and 6 deletions
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4
sys/mmu.c
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@@ -679,7 +679,7 @@ void mmu_init(void)
/* create locked TLB entries */
flags.cache_mode = CACHE_COPYBACK;
flags.cache_mode = CACHE_WRITETHROUGH;
flags.supervisor_protect = 0;
flags.read = 1;
flags.write = 1;
@@ -687,7 +687,7 @@ void mmu_init(void)
flags.locked = true;
/* 0x00000000 - 0x00100000 (first MB of physical memory) locked virt = phys */
mmu_map_page(0x0, 0x0, MMU_PAGE_SIZE_1M, 0, &flags);
mmu_map_page(0x0, 0x60000000, MMU_PAGE_SIZE_1M, 0, &flags);
/*
* Make the TOS (in SDRAM) read-only