diff options
Diffstat (limited to 'arch/arm/mach-mvebu/armada8k/cpu.c')
-rw-r--r-- | arch/arm/mach-mvebu/armada8k/cpu.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/arm/mach-mvebu/armada8k/cpu.c b/arch/arm/mach-mvebu/armada8k/cpu.c new file mode 100644 index 0000000000..036430c46c --- /dev/null +++ b/arch/arm/mach-mvebu/armada8k/cpu.c @@ -0,0 +1,64 @@ +/* + * Copyright (C) 2016 Stefan Roese <sr@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <fdtdec.h> +#include <libfdt.h> +#include <asm/io.h> +#include <asm/system.h> +#include <asm/arch/cpu.h> +#include <asm/arch/soc.h> +#include <asm/armv8/mmu.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* Armada 7k/8k */ +#define MVEBU_RFU_BASE (MVEBU_REGISTER(0x6f0000)) +#define RFU_GLOBAL_SW_RST (MVEBU_RFU_BASE + 0x84) +#define RFU_SW_RESET_OFFSET 0 + +static struct mm_region mvebu_mem_map[] = { + { + /* RAM */ + .phys = 0x0UL, + .virt = 0x0UL, + .size = 0x80000000UL, + .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) | + PTE_BLOCK_INNER_SHARE + }, + { + /* SRAM, MMIO regions - AP806 region */ + .phys = 0xf0000000UL, + .virt = 0xf0000000UL, + .size = 0x01000000UL, /* 16MiB internal registers */ + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE + }, + { + /* SRAM, MMIO regions - CP110 region */ + .phys = 0xf2000000UL, + .virt = 0xf2000000UL, + .size = 0x02000000UL, /* 32MiB internal registers */ + .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) | + PTE_BLOCK_NON_SHARE + }, + { + /* List terminator */ + 0, + } +}; + +struct mm_region *mem_map = mvebu_mem_map; + +void reset_cpu(ulong ignored) +{ + u32 reg; + + reg = readl(RFU_GLOBAL_SW_RST); + reg &= ~(1 << RFU_SW_RESET_OFFSET); + writel(reg, RFU_GLOBAL_SW_RST); +} |