| /* |
| * (C) Copyright 2007 |
| * Stefan Roese, DENX Software Engineering, sr@denx.de. |
| * |
| * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.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 <config.h> |
| #include <asm/mmu.h> |
| #include <asm/ppc4xx.h> |
| |
| /************************************************************************** |
| * TLB TABLE |
| * |
| * This table is used by the cpu boot code to setup the initial tlb |
| * entries. Rather than make broad assumptions in the cpu source tree, |
| * this table lets each board set things up however they like. |
| * |
| * Pointer to the table is returned in r1 |
| * |
| *************************************************************************/ |
| |
| .section .bootpg,"ax" |
| .globl tlbtab |
| |
| tlbtab: |
| tlbtab_start |
| |
| /* |
| * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the |
| * speed up boot process. It is patched after relocation to enable SA_I |
| */ |
| tlbentry(0xfff00000, SZ_1M, 0xfff00000, 1, AC_RWX | SA_G) |
| |
| tlbentry(0xffc00000, SZ_1M, 0xffc00000, 1, AC_RWX | SA_IG) |
| tlbentry(0xffd00000, SZ_1M, 0xffd00000, 1, AC_RWX | SA_IG) |
| tlbentry(0xffe00000, SZ_1M, 0xffe00000, 1, AC_RWX | SA_IG) |
| tlbentry(0xff900000, SZ_1M, 0xff900000, 1, AC_RWX | SA_IG) |
| tlbentry(CONFIG_SYS_EPLD_BASE, SZ_256K, 0xff000000, 1, AC_RW | SA_IG) |
| |
| /* |
| * TLB entries for SDRAM are not needed on this platform. |
| * They are dynamically generated in the SPD DDR(2) detection |
| * routine. |
| */ |
| |
| /* internal ram (l2 cache) */ |
| tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_RWX | SA_I) |
| |
| /* peripherals at f0000000 */ |
| tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_4K, CONFIG_SYS_PERIPHERAL_BASE, 1, AC_RW | SA_IG) |
| |
| /* PCI */ |
| tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 9, AC_RW | SA_IG) |
| tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x10000000, 9, AC_RW | SA_IG) |
| tlbtab_end |