linux-arkmicro/u-boot/board/freescale/mpc8536ds/tlb.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright 2008 Freescale Semiconductor, Inc.
 *
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 */

#include <common.h>
#include <asm/mmu.h>

struct fsl_e_tlb_entry tlb_table[] = {
	/* TLB 0 - for temp stack in cache */
	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
		      0, 0, BOOKE_PAGESZ_4K, 0),
	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
		      0, 0, BOOKE_PAGESZ_4K, 0),
	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
		      0, 0, BOOKE_PAGESZ_4K, 0),
	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
		      0, 0, BOOKE_PAGESZ_4K, 0),

	SET_TLB_ENTRY(0, PIXIS_BASE, PIXIS_BASE_PHYS,
		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		      0, 0, BOOKE_PAGESZ_4K, 0),

	/* TLB 1 */
	/* *I*G* - CCSRBAR */
	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		      0, 0, BOOKE_PAGESZ_1M, 1),

	/* W**G* - Flash/promjet, localbus */
	/* This will be changed to *I*G* after relocation to RAM. */
	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
		      0, 1, BOOKE_PAGESZ_256M, 1),

	/* *I*G* - PCI */
	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_VIRT, CONFIG_SYS_PCI1_MEM_PHYS,
		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		      0, 2, BOOKE_PAGESZ_1G, 1),

	/* *I*G* - PCI I/O */
	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_IO_VIRT, CONFIG_SYS_PCI1_IO_PHYS,
		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		      0, 3, BOOKE_PAGESZ_256K, 1),

	/* *I*G - NAND */
	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		      0, 4, BOOKE_PAGESZ_1M, 1),

#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
	/* *I*G - L2SRAM */
	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR, CONFIG_SYS_INIT_L2_ADDR_PHYS,
		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		      0, 5, BOOKE_PAGESZ_256K, 1),
	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
		      CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
		      0, 6, BOOKE_PAGESZ_256K, 1),
#endif
};

int num_tlb_entries = ARRAY_SIZE(tlb_table);