| Stefan Roese | 5ff4c3f | 2005-08-15 12:31:23 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2005 Sandburst Corporation |
| 3 | * |
| 4 | * See file CREDITS for list of people who contributed to this |
| 5 | * project. |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU General Public License as |
| 9 | * published by the Free Software Foundation; either version 2 of |
| 10 | * the License, or (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 20 | * MA 02111-1307 USA |
| 21 | */ |
| 22 | /* |
| 23 | * Ported from Ebony init.S by Travis B. Sawyer |
| 24 | */ |
| 25 | |
| 26 | #include <ppc_asm.tmpl> |
| Stefan Roese | 94b6270 | 2010-04-14 13:57:18 +0200 | [diff] [blame^] | 27 | #include <asm/mmu.h> |
| Stefan Roese | 5ff4c3f | 2005-08-15 12:31:23 +0200 | [diff] [blame] | 28 | #include <config.h> |
| 29 | |
| Stefan Roese | 5ff4c3f | 2005-08-15 12:31:23 +0200 | [diff] [blame] | 30 | /************************************************************************** |
| 31 | * TLB TABLE |
| 32 | * |
| 33 | * This table is used by the cpu boot code to setup the initial tlb |
| 34 | * entries. Rather than make broad assumptions in the cpu source tree, |
| 35 | * this table lets each board set things up however they like. |
| 36 | * |
| 37 | * Pointer to the table is returned in r1 |
| 38 | * |
| 39 | *************************************************************************/ |
| 40 | |
| 41 | .section .bootpg,"ax" |
| 42 | .globl tlbtab |
| 43 | |
| 44 | tlbtab: |
| 45 | tlbtab_start |
| Stefan Roese | 94b6270 | 2010-04-14 13:57:18 +0200 | [diff] [blame^] | 46 | tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_RWX | SA_IG) |
| 47 | tlbentry( CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_RW | SA_IG) |
| 48 | tlbentry( CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_RWX | SA_IG) |
| 49 | tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_RWX | SA_IG ) |
| 50 | tlbentry( CONFIG_SYS_SDRAM_BASE+0x10000000, SZ_256M, 0x10000000, 0, AC_RWX | SA_IG ) |
| 51 | tlbentry( CONFIG_SYS_SDRAM_BASE+0x20000000, SZ_256M, 0x20000000, 0, AC_RWX | SA_IG ) |
| 52 | tlbentry( CONFIG_SYS_SDRAM_BASE+0x30000000, SZ_256M, 0x30000000, 0, AC_RWX | SA_IG ) |
| 53 | tlbentry( CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_RW | SA_IG ) |
| 54 | tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_RW | SA_IG ) |
| Stefan Roese | 5ff4c3f | 2005-08-15 12:31:23 +0200 | [diff] [blame] | 55 | tlbtab_end |