u-boot/board/freescale/p1022ds/tlb.c
Timur Tabi c59e1b4d07 powerpc: add support for the Freescale P1022DS reference board
Specifics:

1) 36-bit only
2) Booting from NOR flash only
3) Environment stored in NOR flash only
4) No SPI support
5) No DIU support

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2010-07-16 10:55:10 -05:00

77 lines
2.7 KiB
C

/*
* Copyright 2010 Freescale Semiconductor, Inc.
* Authors: Srikanth Srinivasan <srikanth.srinivasan@freescale.com>
* Timur Tabi <timur@freescale.com>
*
* 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.
*/
#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 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_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. */
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_PCIE3_MEM_VIRT, CONFIG_SYS_PCIE3_MEM_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 3, BOOKE_PAGESZ_1G, 1),
/* *I*G* - PCI */
SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x40000000,
CONFIG_SYS_PCIE3_MEM_PHYS + 0x40000000,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 4, BOOKE_PAGESZ_256M, 1),
SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x50000000,
CONFIG_SYS_PCIE3_MEM_PHYS + 0x50000000,
MAS3_SX|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_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS,
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
0, 6, BOOKE_PAGESZ_256K, 1),
SET_TLB_ENTRY(1, PIXIS_BASE, 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);