u-boot/arch/arm/mach-k3/arm64-mmu.c
Lokesh Vutla e091832f25 armv8: K3: am654: Add custom MMU support
Add MMU mappings for AM654 SoC.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
2018-09-11 08:32:55 -04:00

45 lines
1 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* K3: ARM64 MMU setup
*
* Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
* Lokesh Vutla <lokeshvutla@ti.com>
* (This file is derived from arch/arm/cpu/armv8/zynqmp/cpu.c)
*
*/
#include <common.h>
#include <asm/system.h>
#include <asm/armv8/mmu.h>
/* NR_DRAM_BANKS + 32bit IO + 64bit IO + terminator */
#define NR_MMU_REGIONS (CONFIG_NR_DRAM_BANKS + 3)
/* ToDo: Add 64bit IO */
struct mm_region am654_mem_map[NR_MMU_REGIONS] = {
{
.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 = 0x80000000UL,
.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
}, {
/* List terminator */
0,
}
};
struct mm_region *mem_map = am654_mem_map;