/* * Copyright (C) 2002,2003, Motorola Inc. * Xianghua Xiao <X.Xiao@motorola.com> * * 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 <ppc_asm.tmpl> #include <ppc_defs.h> #include <asm/cache.h> #include <asm/mmu.h> #include <config.h> #include <mpc85xx.h> #define entry_start \ mflr r1 ; \ bl 0f ; #define entry_end \ 0: mflr r0 ; \ mtlr r1 ; \ blr ; /* TLB1 entries configuration: */ .section .bootpg, "ax" .globl tlb1_entry tlb1_entry: entry_start .long 0x0a /* the following data table uses a few of 16 TLB entries */ .long TLB1_MAS0(1,1,0) .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M) .long TLB1_MAS2(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,1,0,1,0) .long TLB1_MAS3(((CFG_CCSRBAR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1) #if defined(CFG_FLASH_PORT_WIDTH_16) .long TLB1_MAS0(1,2,0) .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_4M) .long TLB1_MAS2(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0) .long TLB1_MAS3(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1) .long TLB1_MAS0(1,3,0) .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_4M) .long TLB1_MAS2((((CFG_FLASH_BASE+0x400000)>>12)&0xfffff),0,0,0,0,1,0,1,0) .long TLB1_MAS3((((CFG_FLASH_BASE+0x400000)>>12)&0xfffff),0,0,0,0,0,1,0,1,0,1) #else .long TLB1_MAS0(1,2,0) .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16M) .long TLB1_MAS2(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0) .long TLB1_MAS3(((CFG_FLASH_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1) .long TLB1_MAS0(1,3,0) .long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M) .long TLB1_MAS2(0,0,0,0,0,0,0,0,0) .long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1) #endif #if !defined(CONFIG_SPD_EEPROM) .long TLB1_MAS0(1,4,0) .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M) .long TLB1_MAS2(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0) .long TLB1_MAS3(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1) .long TLB1_MAS0(1,5,0) .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M) .long TLB1_MAS2((((CFG_DDR_SDRAM_BASE+0x4000000)>>12) & 0xfffff),0,0,0,0,0,0,0,0) .long TLB1_MAS3((((CFG_DDR_SDRAM_BASE+0x4000000)>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1) #else .long TLB1_MAS0(1,4,0) .long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M) .long TLB1_MAS2(0,0,0,0,0,0,0,0,0) .long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1) .long TLB1_MAS0(1,5,0) .long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M) .long TLB1_MAS2(0,0,0,0,0,0,0,0,0) .long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1) #endif .long TLB1_MAS0(1,6,0) .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_64M) #if defined(CONFIG_RAM_AS_FLASH) .long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0) #else .long TLB1_MAS2(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0) #endif .long TLB1_MAS3(((CFG_LBC_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1) .long TLB1_MAS0(1,7,0) .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16K) #ifdef CONFIG_L2_INIT_RAM .long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,1,0,0,0,0) #else .long TLB1_MAS2(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,0,0,0) #endif .long TLB1_MAS3(((CFG_INIT_RAM_ADDR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1) .long TLB1_MAS0(1,8,0) .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_256M) .long TLB1_MAS2(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0) .long TLB1_MAS3(((CFG_PCI_MEM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1) .long TLB1_MAS0(1,9,0) .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_16K) .long TLB1_MAS2(((CFG_BCSR>>12) & 0xfffff),0,0,0,0,1,0,1,0) .long TLB1_MAS3(((CFG_BCSR>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1) #if (CFG_CCSRBAR_DEFAULT != CFG_CCSRBAR) .long TLB1_MAS0(1,15,0) .long TLB1_MAS1(1,1,0,0,BOOKE_PAGESZ_1M) .long TLB1_MAS2(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,1,0,1,0) .long TLB1_MAS3(((CFG_CCSRBAR_DEFAULT>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1) #else .long TLB1_MAS0(1,15,0) .long TLB1_MAS1(0,0,0,0,BOOKE_PAGESZ_1M) .long TLB1_MAS2(0,0,0,0,0,0,0,0,0) .long TLB1_MAS3(0,0,0,0,0,0,1,0,1,0,1) #endif entry_end /* LAW(Local Access Window) configuration: * 0000_0000-0800_0000: DDR(128M) -or- larger * f000_0000-f3ff_ffff: PCI(256M) * f400_0000-f7ff_ffff: RapidIO(128M) * f800_0000-ffff_ffff: localbus(128M) * f800_0000-fbff_ffff: LBC SDRAM(64M) * fc00_0000-fdef_ffff: LBC BCSR,RTC,etc(31M) * fdf0_0000-fdff_ffff: CCSRBAR(1M) * fe00_0000-ffff_ffff: Flash(32M) * Note: CCSRBAR and L2-as-SRAM don't need configure Local Access * Window. * Note: If flash is 8M at default position(last 8M),no LAW needed. */ #if !defined(CONFIG_SPD_EEPROM) #define LAWBAR0 ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff) #define LAWAR0 (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) #else #define LAWBAR0 0 #define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN) #endif #define LAWBAR1 ((CFG_PCI_MEM_BASE>>12) & 0xfffff) #define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCIX | (LAWAR_SIZE & LAWAR_SIZE_256M)) #if !defined(CONFIG_RAM_AS_FLASH) #define LAWBAR2 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff) #define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M)) #else #define LAWBAR2 0 #define LAWAR2 ((LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN) #endif .section .bootpg, "ax" .globl law_entry law_entry: entry_start .long 0x03 .long LAWBAR0,LAWAR0,LAWBAR1,LAWAR1,LAWBAR2,LAWAR2 entry_end