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Diffstat (limited to 'src/soc/mediatek/mt8173/mmu_operations.c')
-rw-r--r--src/soc/mediatek/mt8173/mmu_operations.c42
1 files changed, 5 insertions, 37 deletions
diff --git a/src/soc/mediatek/mt8173/mmu_operations.c b/src/soc/mediatek/mt8173/mmu_operations.c
index c744d65b8e..951873da0c 100644
--- a/src/soc/mediatek/mt8173/mmu_operations.c
+++ b/src/soc/mediatek/mt8173/mmu_operations.c
@@ -15,55 +15,23 @@
#include <arch/io.h>
#include <arch/mmu.h>
-#include <console/console.h>
#include <symbols.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <soc/addressmap.h>
-#include <soc/emi.h>
+#include <soc/symbols.h>
#include <soc/infracfg.h>
#include <soc/mcucfg.h>
#include <soc/mmu_operations.h>
-void mt8173_mmu_init(void)
+void mtk_soc_after_dram(void)
{
- mmu_init();
-
- /* Set 0x0 to the end of 2GB dram address as device memory */
- mmu_config_range((void *)0, (uintptr_t)_dram + 2U * GiB, DEV_MEM);
-
- /* SRAM is cached */
- mmu_config_range(_sram_l2c, _sram_l2c_size + _sram_size, CACHED_MEM);
-
- /* DMA is non-cached and is reserved for TPM & da9212 I2C DMA */
- mmu_config_range(_dma_coherent, _dma_coherent_size, UNCACHED_MEM);
-
- /* set ttb as secure */
- mmu_config_range(_ttb, _ttb_size, SECURE_MEM);
-
- mmu_enable();
+ mmu_config_range(_dram_dma, _dram_dma_size, UNCACHED_MEM);
+ mtk_mmu_disable_l2c_sram();
}
-void mt8173_mmu_after_dram(void)
+void mtk_soc_disable_l2c_sram(void)
{
- /* Map DRAM as cached now that it's up and running */
- mmu_config_range(_dram, (uintptr_t)sdram_size(), CACHED_MEM);
-
- /* Unmap L2C SRAM so it can be reclaimed by L2 cache */
- /* TODO: Implement true unmapping, and also use it for the zero-page! */
- mmu_config_range(_sram_l2c, _sram_l2c_size, DEV_MEM);
-
- mmu_config_range(_dram_dma, _dram_dma_size, UNCACHED_MEM);
-
- /* Careful: changing cache geometry while it's active is a bad idea! */
- mmu_disable();
-
/* Return L2C SRAM back to L2 cache. Set it to 512KiB which is the max
* available L2 cache for A53 in MT8173. */
write32(&mt8173_mcucfg->mp0_ca7l_cache_config, 3 << 8);
/* turn off the l2c sram clock */
write32(&mt8173_infracfg->infra_pdn0, L2C_SRAM_PDN);
-
- /* Reenable MMU with now enlarged L2 cache. Page tables still valid. */
- mmu_enable();
}