u-boot/arch/arm/mach-k3/arm64-mmu.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/mach-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;