diff options
Diffstat (limited to 'arch/arm/mach-meson/board-a1.c')
-rw-r--r-- | arch/arm/mach-meson/board-a1.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/arm/mach-meson/board-a1.c b/arch/arm/mach-meson/board-a1.c new file mode 100644 index 0000000000..967bb67182 --- /dev/null +++ b/arch/arm/mach-meson/board-a1.c @@ -0,0 +1,59 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2023 SberDevices, Inc. + */ + +#include <common.h> +#include <asm/arch/a1.h> +#include <asm/arch/boot.h> +#include <asm/armv8/mmu.h> +#include <asm/io.h> +#include <linux/compiler.h> +#include <linux/sizes.h> + +phys_size_t get_effective_memsize(void) +{ + return ((readl(A1_SYSCTRL_SEC_STATUS_REG4) & A1_SYSCTRL_MEM_SIZE_MASK) + >> A1_SYSCTRL_MEM_SIZE_SHIFT) * SZ_1M; +} + +void meson_init_reserved_memory(__maybe_unused void *fdt) +{ +} + +int meson_get_boot_device(void) +{ + return -ENOSYS; +} + +static struct mm_region a1_mem_map[] = { + { + .virt = 0x00000000UL, + .phys = 0x00000000UL, + .size = 0x80000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + .virt = 0x80000000UL, + .phys = 0x80000000UL, + .size = 0x7FE00000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE | + PTE_BLOCK_PXN | PTE_BLOCK_UXN + }, { + /* + * This mem region contains in/out shared memory with bl31, + * hence it's marked as NORMAL memory type + */ + .virt = 0xFFE00000UL, + .phys = 0xFFE00000UL, + .size = 0x00200000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, { + /* List terminator */ + 0, + } +}; + +struct mm_region *mem_map = a1_mem_map; |