u-boot/board/mpc8540eval/tlb.c
Kumar Gala f69766e4b5 85xx: Add the concept of CFG_CCSRBAR_PHYS
When we go to 36-bit physical addresses we need to keep the concept of
the physical CCSRBAR address seperate from the virtual one.

For the majority of boards CFG_CCSBAR_PHYS == CFG_CCSRBAR

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2008-03-26 11:43:03 -05:00

78 lines
2.6 KiB
C

/*
* Copyright 2008 Freescale Semiconductor, Inc.
*
* (C) Copyright 2000
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* 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[] = {
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),
#if defined(CFG_FLASH_PORT_WIDTH_16)
SET_TLB_ENTRY(1, CFG_FLASH_BASE, CFG_FLASH_BASE,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 2, BOOKE_PAGESZ_4M, 1),
SET_TLB_ENTRY(1, CFG_FLASH_BASE + 0x400000, CFG_FLASH_BASE + 0x400000,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 3, BOOKE_PAGESZ_4M, 1),
#else
SET_TLB_ENTRY(1, CFG_FLASH_BASE, CFG_FLASH_BASE,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 2, BOOKE_PAGESZ_16M, 1),
#endif
#if !defined(CONFIG_SPD_EEPROM)
SET_TLB_ENTRY(1, CFG_DDR_SDRAM_BASE, CFG_DDR_SDRAM_BASE,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 4, BOOKE_PAGESZ_64M, 1),
SET_TLB_ENTRY(1, CFG_DDR_SDRAM_BASE + 0x4000000, CFG_DDR_SDRAM_BASE + 0x4000000,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 5, BOOKE_PAGESZ_64M, 1),
#endif
SET_TLB_ENTRY(1, CFG_LBC_SDRAM_BASE, CFG_LBC_SDRAM_BASE,
#if defined(CONFIG_RAM_AS_FLASH)
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
#else
MAS3_SX|MAS3_SW|MAS3_SR, 0,
#endif
0, 6, BOOKE_PAGESZ_64M, 1),
SET_TLB_ENTRY(1, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR,
MAS3_SX|MAS3_SW|MAS3_SR, 0,
0, 7, BOOKE_PAGESZ_16K, 1),
SET_TLB_ENTRY(1, CFG_PCI_MEM_PHYS, CFG_PCI_MEM_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 8, BOOKE_PAGESZ_256M, 1),
SET_TLB_ENTRY(1, CFG_BCSR, CFG_BCSR,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 9, BOOKE_PAGESZ_16K, 1),
};
int num_tlb_entries = ARRAY_SIZE(tlb_table);