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barebox/arch/ppc/boards/freescale-p1022ds/tlb.c

60 lines
2.0 KiB
C

/*
* Copyright 2011 Freescale Semiconductor, Inc.
*
* 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.
*
*/
#include <common.h>
#include <mach/mmu.h>
struct fsl_e_tlb_entry tlb_table[] = {
/* TLB 0 - for temp stack in cache */
FSL_SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR,
MAS3_SX | MAS3_SW | MAS3_SR, 0,
0, 0, BOOKE_PAGESZ_4K, 0),
FSL_SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + (4 * 1024),
CFG_INIT_RAM_ADDR + (4 * 1024),
MAS3_SX | MAS3_SW | MAS3_SR, 0,
0, 0, BOOKE_PAGESZ_4K, 0),
FSL_SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + (8 * 1024),
CFG_INIT_RAM_ADDR + (8 * 1024),
MAS3_SX | MAS3_SW | MAS3_SR, 0,
0, 0, BOOKE_PAGESZ_4K, 0),
FSL_SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + (12 * 1024),
CFG_INIT_RAM_ADDR + (12 * 1024),
MAS3_SX | MAS3_SW | MAS3_SR, 0,
0, 0, BOOKE_PAGESZ_4K, 0),
/* TLB 1 */
/* *I*** - Covers boot page */
FSL_SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
0, 0, BOOKE_PAGESZ_4K, 1),
/* *I*G* - CCSRBAR */
FSL_SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR_PHYS,
MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
0, 1, BOOKE_PAGESZ_1M, 1),
/* W**G* - Flash/promjet, localbus */
/* This will be changed to *I*G* after relocation to RAM. */
FSL_SET_TLB_ENTRY(1, CFG_BOOT_BLOCK, CFG_BOOT_BLOCK_PHYS,
MAS3_SX | MAS3_SR, MAS2_M | MAS2_W | MAS2_G,
0, 2, BOOKE_PAGESZ_256M, 1),
FSL_SET_TLB_ENTRY(1, CFG_PIXIS_BASE, CFG_PIXIS_BASE_PHYS,
MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G,
0, 7, BOOKE_PAGESZ_4K, 1),
};
int num_tlb_entries = ARRAY_SIZE(tlb_table);