diff options
Diffstat (limited to 'arch/arm/mach-airoha')
| -rw-r--r-- | arch/arm/mach-airoha/an7581/init.c | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/arch/arm/mach-airoha/an7581/init.c b/arch/arm/mach-airoha/an7581/init.c index d149e0ee3c8..11992027d92 100644 --- a/arch/arm/mach-airoha/an7581/init.c +++ b/arch/arm/mach-airoha/an7581/init.c @@ -2,10 +2,16 @@ #include <fdtdec.h> #include <init.h> +#include <linux/sizes.h> #include <sysreset.h> #include <asm/armv8/mmu.h> +#include <asm/global_data.h> #include <asm/system.h> +#define CFG_MAX_MEM_MAPPED SZ_2G + +DECLARE_GLOBAL_DATA_PTR; + int print_cpuinfo(void) { printf("CPU: Airoha AN7581\n"); @@ -14,12 +20,28 @@ int print_cpuinfo(void) int dram_init(void) { - return fdtdec_setup_mem_size_base(); + int ret; + + ret = fdtdec_setup_mem_size_base(); + if (ret) + return ret; + + gd->ram_size = get_ram_size((void *)gd->ram_base, SZ_8G); + + return 0; } int dram_init_banksize(void) { - return fdtdec_setup_memory_banksize(); + gd->bd->bi_dram[0].start = gd->ram_base; + gd->bd->bi_dram[0].size = get_effective_memsize(); + + if (gd->ram_size > SZ_2G) { + gd->bd->bi_dram[1].start = gd->ram_base + SZ_2G; + gd->bd->bi_dram[1].size = gd->ram_size - SZ_2G; + } + + return 0; } void reset_cpu(void) @@ -29,20 +51,26 @@ void reset_cpu(void) static struct mm_region an7581_mem_map[] = { { - /* DDR */ + /* DDR, 32-bit area */ .virt = 0x80000000UL, .phys = 0x80000000UL, - .size = 0x80000000UL, + .size = SZ_2G, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE, + }, { + /* DDR, 64-bit area */ + .virt = 0x100000000UL, + .phys = 0x100000000UL, + .size = SZ_4G + SZ_2G, .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE, }, { .virt = 0x00000000UL, .phys = 0x00000000UL, - .size = 0x20000000UL, + .size = 0x40000000UL, .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | PTE_BLOCK_NON_SHARE | PTE_BLOCK_PXN | PTE_BLOCK_UXN }, { - 0, + /* List terminator */ } }; struct mm_region *mem_map = an7581_mem_map; |