board/freescale/p1_twr/tlb.c

/*
 * Copyright 2013 Freescale Semiconductor, Inc.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#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_PHYS,
			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_PHYS + 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_PHYS + 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_PHYS + 12 * 1024,
			MAS3_SX|MAS3_SW|MAS3_SR, 0,
			0, 0, BOOKE_PAGESZ_4K, 0),

	/* TLB 1 */
	/* *I*** - Covers boot page */
	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
			0, 0, BOOKE_PAGESZ_4K, 1),

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

#ifndef CONFIG_SPL_BUILD
	/* W**G* - Flash, 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, 2, BOOKE_PAGESZ_64M, 1),

	/* W**G* - Flash, localbus */
	/* This will be changed to *I*G* after relocation to RAM. */
	SET_TLB_ENTRY(1, CONFIG_SYS_SSD_BASE, CONFIG_SYS_SSD_BASE_PHYS,
			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
			0, 5, BOOKE_PAGESZ_1M, 1),

#ifdef CONFIG_PCI
	/* *I*G* - PCI memory 1.5G */
	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
			0, 3, BOOKE_PAGESZ_1G, 1),

	/* *I*G* - PCI I/O effective: 192K  */
	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
			0, 4, BOOKE_PAGESZ_256K, 1),
#endif

#endif

#ifdef CONFIG_SYS_RAMBOOT
	/* *I*G - eSDHC boot */
	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
			MAS3_SX|MAS3_SW|MAS3_SR, 0,
			0, 8, BOOKE_PAGESZ_1G, 1),
#endif

};

int num_tlb_entries = ARRAY_SIZE(tlb_table);