mirror of
https://github.com/brain-hackers/u-boot-brain
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107 lines
3.4 KiB
C
107 lines
3.4 KiB
C
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/*
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* Copyright 2009-2010 eXMeritus, A Boeing Company
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* Copyright 2008-2009 Freescale Semiconductor, Inc.
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*
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* (C) Copyright 2000
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/mmu.h>
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struct fsl_e_tlb_entry tlb_table[] = {
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/* TLB 0 - for temp stack in cache */
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SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 0 * 1024,
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CONFIG_SYS_INIT_RAM_ADDR_PHYS + 0 * 1024,
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MAS3_SX|MAS3_SW|MAS3_SR, 0,
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0, 0, BOOKE_PAGESZ_4K, 0),
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SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
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CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
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MAS3_SX|MAS3_SW|MAS3_SR, 0,
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0, 0, BOOKE_PAGESZ_4K, 0),
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SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
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CONFIG_SYS_INIT_RAM_ADDR_PHYS + 8 * 1024,
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MAS3_SX|MAS3_SW|MAS3_SR, 0,
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0, 0, BOOKE_PAGESZ_4K, 0),
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SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
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CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
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MAS3_SX|MAS3_SW|MAS3_SR, 0,
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0, 0, BOOKE_PAGESZ_4K, 0),
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/* TLB 1 */
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/* *I*** - Boot page */
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SET_TLB_ENTRY(1, CONFIG_BPTR_VIRT_ADDR,
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CONFIG_BPTR_VIRT_ADDR,
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, 0, BOOKE_PAGESZ_4K, 1),
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/* *I*G* - CCSRBAR */
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SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR,
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CONFIG_SYS_CCSRBAR_PHYS,
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, 1, BOOKE_PAGESZ_1M, 1),
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/*
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* W**G* - FLASH (Will be *I*G* after relocation to RAM)
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*
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* This maps both SPI FLASH chips (128MByte per chip)
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*/
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SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE,
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CONFIG_SYS_FLASH_BASE_PHYS,
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MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
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0, 2, BOOKE_PAGESZ_256M, 1),
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/*
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* *I*G* - PCI memory
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*
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* We have 1.5GB total PCI-E memory space to map and we want to use
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* the minimum possible number of TLB entries. Since Book-E TLB
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* entries are sized in powers of 4, we use 1GB + 256MB + 256MB.
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*/
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SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT,
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CONFIG_SYS_PCIE3_MEM_PHYS,
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, 3, BOOKE_PAGESZ_1G, 1),
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SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x40000000,
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CONFIG_SYS_PCIE3_MEM_PHYS + 0x40000000,
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, 4, BOOKE_PAGESZ_256M, 1),
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SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x50000000,
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CONFIG_SYS_PCIE3_MEM_PHYS + 0x50000000,
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, 5, BOOKE_PAGESZ_256M, 1),
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/*
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* *I*G* - PCI I/O
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*
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* This one entry covers all 3 64k PCI-E I/O windows
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*/
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SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT,
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CONFIG_SYS_PCIE3_IO_PHYS,
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MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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0, 6, BOOKE_PAGESZ_256K, 1),
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};
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int num_tlb_entries = ARRAY_SIZE(tlb_table);
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