diff options
Diffstat (limited to 'roms/u-boot/arch/arm/mach-uniphier/arm64')
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/arm64/Makefile | 3 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/arm64/mem_map.c | 38 |
2 files changed, 41 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-uniphier/arm64/Makefile b/roms/u-boot/arch/arm/mach-uniphier/arm64/Makefile new file mode 100644 index 000000000..750c4f756 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/arm64/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0+ + +obj-y += mem_map.o diff --git a/roms/u-boot/arch/arm/mach-uniphier/arm64/mem_map.c b/roms/u-boot/arch/arm/mach-uniphier/arm64/mem_map.c new file mode 100644 index 000000000..a8bd4eee8 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/arm64/mem_map.c @@ -0,0 +1,38 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com> + */ + +#include <linux/types.h> +#include <asm/armv8/mmu.h> + +#include "../init.h" + +static struct mm_region uniphier_mem_map[] = { + { + .virt = 0x00000000, + .phys = 0x00000000, + .size = 0x80000000, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, + { + .virt = 0x80000000, + .phys = 0x80000000, + .size = 0xc0000000, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, + { /* sentinel */ } +}; + +struct mm_region *mem_map = uniphier_mem_map; + +void uniphier_mem_map_init(unsigned long dram_base, unsigned long dram_size) +{ + uniphier_mem_map[0].size = dram_base; + uniphier_mem_map[1].virt = dram_base; + uniphier_mem_map[1].phys = dram_base; + uniphier_mem_map[1].size = dram_size; +} |