diff options
Diffstat (limited to 'arch/arm/mach-imx')
| -rw-r--r-- | arch/arm/mach-imx/imx8m/soc.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c index 5115471eff..dd393b581b 100644 --- a/arch/arm/mach-imx/imx8m/soc.c +++ b/arch/arm/mach-imx/imx8m/soc.c @@ -112,16 +112,18 @@ static struct mm_region imx8m_mem_map[] = { /* DRAM1 */ .virt = 0x40000000UL, .phys = 0x40000000UL, - .size = 0xC0000000UL, + .size = PHYS_SDRAM_SIZE, .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE +#ifdef PHYS_SDRAM_2_SIZE }, { /* DRAM2 */ .virt = 0x100000000UL, .phys = 0x100000000UL, - .size = 0x040000000UL, + .size = PHYS_SDRAM_2_SIZE, .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE +#endif }, { /* List terminator */ 0, @@ -130,6 +132,20 @@ static struct mm_region imx8m_mem_map[] = { struct mm_region *mem_map = imx8m_mem_map; +void enable_caches(void) +{ + /* + * If OPTEE runs, remove OPTEE memory from MMU table to + * avoid speculative prefetch. OPTEE runs at the top of + * the first memory bank + */ + if (rom_pointer[1]) + imx8m_mem_map[5].size -= rom_pointer[1]; + + icache_enable(); + dcache_enable(); +} + static u32 get_cpu_variant_type(u32 type) { struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; |