diff options
Diffstat (limited to 'src/soc/mediatek/mt8173/include')
| -rw-r--r-- | src/soc/mediatek/mt8173/include/soc/memlayout.ld | 6 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8173/include/soc/mmu_operations.h | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/soc/mediatek/mt8173/include/soc/memlayout.ld b/src/soc/mediatek/mt8173/include/soc/memlayout.ld index 7d0c766297..771f32652e 100644 --- a/src/soc/mediatek/mt8173/include/soc/memlayout.ld +++ b/src/soc/mediatek/mt8173/include/soc/memlayout.ld @@ -25,6 +25,11 @@ #define SRAM_L2C_START(addr) SYMBOL(sram_l2c, addr) #define SRAM_L2C_END(addr) SYMBOL(esram_l2c, addr) +#define DRAM_DMA(addr, size) \ + REGION(dram_dma, addr, size, 4K) \ + _ = ASSERT(size % 4K == 0, \ + "DRAM DMA buffer should be multiple of smallest page size (4K)!"); + SECTIONS { SRAM_L2C_START(0x000C0000) @@ -44,6 +49,7 @@ SECTIONS SRAM_END(0x00130000) DRAM_START(0x40000000) + DRAM_DMA(0x40000000, 1M) POSTRAM_CBFS_CACHE(0x40100000, 1M) RAMSTAGE(0x40200000, 256K) } diff --git a/src/soc/mediatek/mt8173/include/soc/mmu_operations.h b/src/soc/mediatek/mt8173/include/soc/mmu_operations.h index 98fffa2758..2428c4280c 100644 --- a/src/soc/mediatek/mt8173/include/soc/mmu_operations.h +++ b/src/soc/mediatek/mt8173/include/soc/mmu_operations.h @@ -29,6 +29,10 @@ extern unsigned char _sram_l2c[]; extern unsigned char _esram_l2c[]; #define _sram_l2c_size (_esram_l2c - _sram_l2c) +extern unsigned char _dram_dma[]; +extern unsigned char _edram_dma[]; +#define _dram_dma_size (_edram_dma - _dram_dma) + void mt8173_mmu_init(void); void mt8173_mmu_after_dram(void); |