| Tirumala Marri | 6583ef4 | 2010-09-28 14:15:21 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2010, Applied Micro Circuits Corporation |
| 3 | * Author: Tirumala R Marri <tmarri@apm.com> |
| 4 | * |
| 5 | * See file CREDITS for list of people who contributed to this |
| 6 | * project. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation; either version 2 of |
| 11 | * the License, or (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 21 | * MA 02111-1307 USA |
| 22 | */ |
| 23 | |
| Wolfgang Denk | 0191e47 | 2010-10-26 14:34:52 +0200 | [diff] [blame] | 24 | #include <asm-offsets.h> |
| Tirumala Marri | 6583ef4 | 2010-09-28 14:15:21 -0700 | [diff] [blame] | 25 | #include <ppc_asm.tmpl> |
| 26 | #include <config.h> |
| 27 | #include <asm/mmu.h> |
| 28 | #include <asm/ppc4xx.h> |
| 29 | |
| 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 | .section .bootpg,"ax" |
| 41 | .globl tlbtab |
| 42 | |
| 43 | tlbtab: |
| 44 | tlbtab_start |
| 45 | |
| 46 | /* TLB 0 */ |
| 47 | tlbentry(CONFIG_SYS_BOOT_BASE_ADDR, SZ_16M, CONFIG_SYS_BOOT_BASE_ADDR, |
| 48 | 4, AC_RWX | SA_G) |
| 49 | |
| 50 | /* TLB-entry for init-ram in dcache (SA_I must be turned off!) */ |
| 51 | tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_4K, CONFIG_SYS_INIT_RAM_ADDR, |
| 52 | 0, AC_RWX | SA_G) |
| 53 | |
| 54 | /* TLB-entry for OCM */ |
| 55 | tlbentry(CONFIG_SYS_OCM_BASE, SZ_64K, 0x00040000, 4, |
| 56 | AC_RWX | SA_I) |
| 57 | |
| 58 | /* TLB-entry for Local Configuration registers => peripherals */ |
| 59 | tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_16K, |
| 60 | CONFIG_SYS_PERIPHERAL_BASE, 4, AC_RWX | SA_IG) |
| 61 | tlbtab_end |