diff options
Diffstat (limited to 'arch/arm/mach-k3/arm64/arm64-mmu.c')
-rw-r--r-- | arch/arm/mach-k3/arm64/arm64-mmu.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/mach-k3/arm64/arm64-mmu.c b/arch/arm/mach-k3/arm64/arm64-mmu.c new file mode 100644 index 00000000000..0e07b1b7ce0 --- /dev/null +++ b/arch/arm/mach-k3/arm64/arm64-mmu.c @@ -0,0 +1,54 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * K3: ARM64 MMU setup + * + * Copyright (C) 2018-2020 Texas Instruments Incorporated - https://www.ti.com/ + * Lokesh Vutla <lokeshvutla@ti.com> + * Suman Anna <s-anna@ti.com> + * (This file is derived from arch/arm/mach-zynqmp/cpu.c) + * + */ + +#include <asm/system.h> +#include <asm/armv8/mmu.h> + +struct mm_region k3_mem_map[] = { + { + .virt = 0x0UL, + .phys = 0x0UL, + .size = 0x80000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + .virt = 0x80000000UL, + .phys = 0x80000000UL, + .size = 0x1e780000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + .virt = 0xa0000000UL, + .phys = 0xa0000000UL, + .size = 0x60000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + .virt = 0x880000000UL, + .phys = 0x880000000UL, + .size = 0x80000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + .virt = 0x500000000UL, + .phys = 0x500000000UL, + .size = 0x380000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + /* List terminator */ + 0, + } +}; + +struct mm_region *mem_map = k3_mem_map; |