| /* |
| * Copyright (C) 2003 Embedded Edge, LLC |
| * Dan Malek <dan@embeddededge.com> |
| * Copied from ADS85xx. |
| * Updates for Silicon Tx GP3 8560. We only support 32-bit flash |
| * and DDR with SPD EEPROM configuration. |
| * |
| * 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 |
| |
| /* If RAMBOOT, we are testing and the BDI has set up |
| * much of the MMU already. |
| * TLB 4,5 SDRAM |
| * TLB 15 is default CCSRBAR. |
| */ |
| .long 0x09 /* 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) |
| |
| .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(1,1,0,0,BOOKE_PAGESZ_1M) |
| .long TLB1_MAS2(((CFG_LBC_LCLDEVS_BASE>>12) & 0xfffff),0,0,0,0,1,0,1,0) |
| .long TLB1_MAS3(((CFG_LBC_LCLDEVS_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1) |
| .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) |
| |
| .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) |
| |
| #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_0000-8000_0000: Up to 2G DDR |
| * 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-fcff_ffff: LBC BCSR (1M, Chip select 1) |
| * fdf0_0000-fdff_ffff: CCSRBAR(1M) |
| * ff00_0000-ffff_ffff: Flash(16M) |
| * We don't need a local window for CCSRBAR and flash because they |
| * reside in their default mapped spaces. |
| */ |
| |
| #define LAWBAR0 0 |
| #define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_2G)) & ~LAWAR_EN) |
| |
| #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 |