diff options
Diffstat (limited to 'src/soc/ti/am335x/bootblock.c')
| -rw-r--r-- | src/soc/ti/am335x/bootblock.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/src/soc/ti/am335x/bootblock.c b/src/soc/ti/am335x/bootblock.c index 985e1a1a0b81..11bc4593e193 100644 --- a/src/soc/ti/am335x/bootblock.c +++ b/src/soc/ti/am335x/bootblock.c @@ -4,13 +4,25 @@ #include <arch/cache.h> #include <bootblock_common.h> +#include <symbols.h> + +#define SRAM_START ((uintptr_t)_sram / MiB) +#define SRAM_END (DIV_ROUND_UP((uintptr_t)_esram, MiB)) + +#define DRAM_START ((uintptr_t)_dram / MiB) +#define DRAM_SIZE (CONFIG_DRAM_SIZE_MB) void bootblock_soc_init(void) { - uint32_t sctlr; + mmu_init(); + + /* Map everything strongly ordered by default */ + mmu_config_range(0, 4096, DCACHE_OFF); + + mmu_config_range(SRAM_START, SRAM_END - SRAM_START, + DCACHE_WRITEBACK); + + mmu_config_range(DRAM_START, DRAM_SIZE, DCACHE_WRITEBACK); - /* enable dcache */ - sctlr = read_sctlr(); - sctlr |= SCTLR_C; - write_sctlr(sctlr); + dcache_mmu_enable(); } |