5af0fdd81c
Introduce a new define to seperate out the virtual address that PCI memory is at from the physical address. In most situations these are mapped 1:1. However any code accessing the bus should use VIRT. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Acked-by: Andy Fleming <afleming@freescale.com>
113 lines
3.7 KiB
C
113 lines
3.7 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[] = {
|
|
/* 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),
|
|
|
|
/*
|
|
* TLB 0: 16M Non-cacheable, guarded
|
|
* 0xff000000 16M FLASH
|
|
* Out of reset this entry is only 4K.
|
|
*/
|
|
SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE,
|
|
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
|
|
0, 0, BOOKE_PAGESZ_16M, 1),
|
|
|
|
/*
|
|
* TLB 1: 256M Non-cacheable, guarded
|
|
* 0x80000000 256M PCI1 MEM First half
|
|
*/
|
|
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, 1, BOOKE_PAGESZ_256M, 1),
|
|
|
|
/*
|
|
* TLB 2: 256M Non-cacheable, guarded
|
|
* 0x90000000 256M PCI1 MEM Second half
|
|
*/
|
|
SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_VIRT + 0x10000000, CONFIG_SYS_PCI1_MEM_PHYS + 0x10000000,
|
|
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
|
|
0, 2, BOOKE_PAGESZ_256M, 1),
|
|
|
|
/*
|
|
* TLB 3: 256M Non-cacheable, guarded
|
|
* 0xa0000000 256M PCI2 MEM First half
|
|
*/
|
|
SET_TLB_ENTRY(1, CONFIG_SYS_PCI2_MEM_VIRT, CONFIG_SYS_PCI2_MEM_PHYS,
|
|
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
|
|
0, 3, BOOKE_PAGESZ_256M, 1),
|
|
|
|
/*
|
|
* TLB 4: 256M Non-cacheable, guarded
|
|
* 0xb0000000 256M PCI2 MEM Second half
|
|
*/
|
|
SET_TLB_ENTRY(1, CONFIG_SYS_PCI2_MEM_VIRT + 0x10000000, CONFIG_SYS_PCI2_MEM_PHYS + 0x10000000,
|
|
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
|
|
0, 4, BOOKE_PAGESZ_256M, 1),
|
|
|
|
/*
|
|
* TLB 5: 64M Non-cacheable, guarded
|
|
* 0xe000_0000 1M CCSRBAR
|
|
* 0xe200_0000 16M PCI1 IO
|
|
* 0xe300_0000 16M PCI2 IO
|
|
*/
|
|
SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
|
|
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
|
|
0, 5, BOOKE_PAGESZ_64M, 1),
|
|
|
|
/*
|
|
* TLB 6: 64M Cacheable, non-guarded
|
|
* 0xf000_0000 64M LBC SDRAM
|
|
*/
|
|
SET_TLB_ENTRY(1, CONFIG_SYS_LBC_SDRAM_BASE, CONFIG_SYS_LBC_SDRAM_BASE,
|
|
MAS3_SX|MAS3_SW|MAS3_SR, 0,
|
|
0, 6, BOOKE_PAGESZ_64M, 1),
|
|
|
|
/*
|
|
* TLB 7: 1M Non-cacheable, guarded
|
|
* 0xf8000000 1M CADMUS registers
|
|
*/
|
|
SET_TLB_ENTRY(1, CADMUS_BASE_ADDR, CADMUS_BASE_ADDR,
|
|
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
|
|
0, 7, BOOKE_PAGESZ_1M, 1),
|
|
};
|
|
|
|
int num_tlb_entries = ARRAY_SIZE(tlb_table);
|