u-boot/board/freescale/corenet_ds/tlb.c
Kumar Gala 86df5142a1 powerpc/85xx: corenet_ds - Remove unused 'execute' perm in TLB entries
We shouldn't be setting execute permissions on TLB entries that will not
actually have any code run from them.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2011-09-29 19:01:05 -05:00

136 lines
4.6 KiB
C

/*
* Copyright 2008-2011 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_PHYS,
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_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_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_SW|MAS3_SR, 0,
0, 0, BOOKE_PAGESZ_4K, 0),
SET_TLB_ENTRY(0, PIXIS_BASE, PIXIS_BASE_PHYS,
MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 0, BOOKE_PAGESZ_4K, 0),
/* TLB 1 */
/* *I*** - Covers boot page */
#if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L3_ADDR)
/*
* *I*G - L3SRAM. When L3 is used as 1M SRAM, the address of the
* SRAM is at 0xfff00000, it covered the 0xfffff000.
*/
SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L3_ADDR, CONFIG_SYS_INIT_L3_ADDR,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 0, BOOKE_PAGESZ_1M, 1),
#else
SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 0, BOOKE_PAGESZ_4K, 1),
#endif
/* *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_16M, 1),
/* *I*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_256M, 1),
/* *I*G* - PCI */
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 */
SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x40000000,
CONFIG_SYS_PCIE1_MEM_PHYS + 0x40000000,
MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 4, BOOKE_PAGESZ_256M, 1),
SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT + 0x50000000,
CONFIG_SYS_PCIE1_MEM_PHYS + 0x50000000,
MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 5, BOOKE_PAGESZ_256M, 1),
/* *I*G* - PCI I/O */
SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 6, BOOKE_PAGESZ_256K, 1),
/* Bman/Qman */
#ifdef CONFIG_SYS_BMAN_MEM_PHYS
SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE, CONFIG_SYS_BMAN_MEM_PHYS,
MAS3_SW|MAS3_SR, 0,
0, 9, BOOKE_PAGESZ_1M, 1),
SET_TLB_ENTRY(1, CONFIG_SYS_BMAN_MEM_BASE + 0x00100000,
CONFIG_SYS_BMAN_MEM_PHYS + 0x00100000,
MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 10, BOOKE_PAGESZ_1M, 1),
#endif
#ifdef CONFIG_SYS_QMAN_MEM_PHYS
SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE, CONFIG_SYS_QMAN_MEM_PHYS,
MAS3_SW|MAS3_SR, 0,
0, 11, BOOKE_PAGESZ_1M, 1),
SET_TLB_ENTRY(1, CONFIG_SYS_QMAN_MEM_BASE + 0x00100000,
CONFIG_SYS_QMAN_MEM_PHYS + 0x00100000,
MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 12, BOOKE_PAGESZ_1M, 1),
#endif
#ifdef CONFIG_SYS_DCSRBAR_PHYS
SET_TLB_ENTRY(1, CONFIG_SYS_DCSRBAR, CONFIG_SYS_DCSRBAR_PHYS,
MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 13, BOOKE_PAGESZ_4M, 1),
#endif
#ifdef CONFIG_SYS_NAND_BASE
/*
* *I*G - NAND
* entry 14 and 15 has been used hard coded, they will be disabled
* in cpu_init_f, so we use entry 16 for 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, 16, BOOKE_PAGESZ_1M, 1),
#endif
};
int num_tlb_entries = ARRAY_SIZE(tlb_table);