diff options
Diffstat (limited to 'arch/arm/mach-mediatek/mt7986/init.c')
-rw-r--r-- | arch/arm/mach-mediatek/mt7986/init.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm/mach-mediatek/mt7986/init.c b/arch/arm/mach-mediatek/mt7986/init.c new file mode 100644 index 0000000..0fd4596 --- /dev/null +++ b/arch/arm/mach-mediatek/mt7986/init.c @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2022 MediaTek Inc. + * Author: Sam Shih <sam.shih@mediatek.com> + */ + +#include <init.h> +#include <asm/armv8/mmu.h> +#include <asm/system.h> +#include <asm/global_data.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, SZ_2G); + + return 0; +} + +void reset_cpu(ulong addr) +{ + psci_system_reset(); +} + +static struct mm_region mt7986_mem_map[] = { + { + /* DDR */ + .virt = 0x40000000UL, + .phys = 0x40000000UL, + .size = 0x80000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | PTE_BLOCK_OUTER_SHARE, + }, { + .virt = 0x00000000UL, + .phys = 0x00000000UL, + .size = 0x40000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + 0, + } +}; + +struct mm_region *mem_map = mt7986_mem_map; |