arch/arm/mach-k3/arm64-mmu.c

// 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>

#ifdef CONFIG_SOC_K3_AM654
/* NR_DRAM_BANKS + 32bit IO + 64bit IO + terminator */
#define NR_MMU_REGIONS	(CONFIG_NR_DRAM_BANKS + 5)

/* 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 = 0x20000000UL,
		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
			 PTE_BLOCK_INNER_SHARE
	}, {
		.virt = 0xa0000000UL,
		.phys = 0xa0000000UL,
		.size = 0x02100000UL,
		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL_NC) |
			 PTE_BLOCK_INNER_SHARE
	}, {
		.virt = 0xa2100000UL,
		.phys = 0xa2100000UL,
		.size = 0x5df00000UL,
		.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 = 0x400000000UL,
		.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 = am654_mem_map;
#endif /* CONFIG_SOC_K3_AM654 */

#ifdef CONFIG_SOC_K3_J721E

#ifdef CONFIG_SOC_K3_J721E_J7200
#define NR_MMU_REGIONS	(CONFIG_NR_DRAM_BANKS + 5)

/* ToDo: Add 64bit IO */
struct mm_region j7200_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 = 0x20000000UL,
		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
			 PTE_BLOCK_INNER_SHARE
	}, {
		.virt = 0xa0000000UL,
		.phys = 0xa0000000UL,
		.size = 0x04800000UL,
		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL_NC) |
			 PTE_BLOCK_NON_SHARE
	}, {
		.virt = 0xa4800000UL,
		.phys = 0xa4800000UL,
		.size = 0x5b800000UL,
		.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 = 0x400000000UL,
		.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 = j7200_mem_map;

#else /* CONFIG_SOC_K3_J721E_J7200 */

/* NR_DRAM_BANKS + 32bit IO + 64bit IO + terminator */
#define NR_MMU_REGIONS	(CONFIG_NR_DRAM_BANKS + 6)

/* ToDo: Add 64bit IO */
struct mm_region j721e_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 = 0x20000000UL,
		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
			 PTE_BLOCK_INNER_SHARE
	}, {
		.virt = 0xa0000000UL,
		.phys = 0xa0000000UL,
		.size = 0x1bc00000UL,
		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL_NC) |
			 PTE_BLOCK_NON_SHARE
	}, {
		.virt = 0xbbc00000UL,
		.phys = 0xbbc00000UL,
		.size = 0x44400000UL,
		.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 = 0x400000000UL,
		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
			 PTE_BLOCK_NON_SHARE |
			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
	}, {
		.virt = 0x4d80000000UL,
		.phys = 0x4d80000000UL,
		.size = 0x0002000000UL,
		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL_NC) |
			 PTE_BLOCK_INNER_SHARE
	}, {
		/* List terminator */
		0,
	}
};

struct mm_region *mem_map = j721e_mem_map;
#endif /* CONFIG_SOC_K3_J721E_J7200 */

#endif /* CONFIG_SOC_K3_J721E */

#ifdef CONFIG_SOC_K3_J721S2
#define NR_MMU_REGIONS	(CONFIG_NR_DRAM_BANKS + 3)

/* ToDo: Add 64bit IO */
struct mm_region j721s2_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
	}, {
		.virt = 0x500000000UL,
		.phys = 0x500000000UL,
		.size = 0x400000000UL,
		.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 = j721s2_mem_map;

#endif /* CONFIG_SOC_K3_J721S2 */

#if defined(CONFIG_SOC_K3_AM625) || defined(CONFIG_SOC_K3_AM62A7)

/* NR_DRAM_BANKS + 32bit IO + 64bit IO + terminator */
#define NR_MMU_REGIONS	(CONFIG_NR_DRAM_BANKS + 4)

/* ToDo: Add 64bit IO */
struct mm_region am62_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 = 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 = 0x400000000UL,
		.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 = am62_mem_map;
#endif /* CONFIG_SOC_K3_AM625 || CONFIG_SOC_K3_AM62A7 */

#ifdef CONFIG_SOC_K3_AM642

/* NR_DRAM_BANKS + 32bit IO + 64bit IO + terminator */
#define NR_MMU_REGIONS	(CONFIG_NR_DRAM_BANKS + 4)

/* ToDo: Add 64bit IO */
struct mm_region am64_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 = 0x1E800000UL,
		.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 = 0x400000000UL,
		.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 = am64_mem_map;
#endif /* CONFIG_SOC_K3_AM642 */