| Stefan Roese | 6e7fb6e | 2005-11-29 18:18:21 +0100 | [diff] [blame] | 1 | /* |
| Stefan Roese | 00cdb4c | 2007-03-08 10:13:16 +0100 | [diff] [blame] | 2 | * (C) Copyright 2007 |
| 3 | * Stefan Roese, DENX Software Engineering, sr@denx.de. |
| 4 | * |
| 5 | * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com> |
| 6 | * |
| 7 | * See file CREDITS for list of people who contributed to this |
| 8 | * project. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or |
| 11 | * modify it under the terms of the GNU General Public License as |
| 12 | * published by the Free Software Foundation; either version 2 of |
| 13 | * the License, or (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 23 | * MA 02111-1307 USA |
| 24 | */ |
| Stefan Roese | 6e7fb6e | 2005-11-29 18:18:21 +0100 | [diff] [blame] | 25 | |
| 26 | #include <ppc_asm.tmpl> |
| 27 | #include <config.h> |
| Stefan Roese | 00cdb4c | 2007-03-08 10:13:16 +0100 | [diff] [blame] | 28 | #include <asm-ppc/mmu.h> |
| Stefan Roese | 6e7fb6e | 2005-11-29 18:18:21 +0100 | [diff] [blame] | 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 | |
| Stefan Roese | 00cdb4c | 2007-03-08 10:13:16 +0100 | [diff] [blame] | 41 | .section .bootpg,"ax" |
| 42 | .globl tlbtab |
| Stefan Roese | 6e7fb6e | 2005-11-29 18:18:21 +0100 | [diff] [blame] | 43 | |
| 44 | tlbtab: |
| Stefan Roese | 00cdb4c | 2007-03-08 10:13:16 +0100 | [diff] [blame] | 45 | tlbtab_start |
| Stefan Roese | 6e7fb6e | 2005-11-29 18:18:21 +0100 | [diff] [blame] | 46 | |
| Stefan Roese | 00cdb4c | 2007-03-08 10:13:16 +0100 | [diff] [blame] | 47 | /* |
| 48 | * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the |
| 49 | * speed up boot process. It is patched after relocation to enable SA_I |
| 50 | */ |
| 51 | tlbentry(0xfff00000, SZ_1M, 0xfff00000, 1, AC_R|AC_W|AC_X|SA_G) |
| Stefan Roese | 6e7fb6e | 2005-11-29 18:18:21 +0100 | [diff] [blame] | 52 | |
| Stefan Roese | 00cdb4c | 2007-03-08 10:13:16 +0100 | [diff] [blame] | 53 | tlbentry(0xffc00000, SZ_1M, 0xffc00000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) |
| 54 | tlbentry(0xffd00000, SZ_1M, 0xffd00000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) |
| 55 | tlbentry(0xffe00000, SZ_1M, 0xffe00000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) |
| 56 | tlbentry(0xff900000, SZ_1M, 0xff900000, 1, AC_R|AC_W|AC_X|SA_G|SA_I) |
| 57 | tlbentry(CFG_EPLD_BASE, SZ_256K, 0xff000000, 1, AC_R|AC_W|SA_G|SA_I) |
| Stefan Roese | 6e7fb6e | 2005-11-29 18:18:21 +0100 | [diff] [blame] | 58 | |
| Stefan Roese | 00cdb4c | 2007-03-08 10:13:16 +0100 | [diff] [blame] | 59 | /* |
| 60 | * TLB entries for SDRAM are not needed on this platform. |
| 61 | * They are dynamically generated in the SPD DDR(2) detection |
| 62 | * routine. |
| 63 | */ |
| Stefan Roese | 6e7fb6e | 2005-11-29 18:18:21 +0100 | [diff] [blame] | 64 | |
| Stefan Roese | 00cdb4c | 2007-03-08 10:13:16 +0100 | [diff] [blame] | 65 | /* internal ram (l2 cache) */ |
| 66 | tlbentry(CFG_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_R|AC_W|AC_X|SA_I) |
| Stefan Roese | 6e7fb6e | 2005-11-29 18:18:21 +0100 | [diff] [blame] | 67 | |
| Stefan Roese | 00cdb4c | 2007-03-08 10:13:16 +0100 | [diff] [blame] | 68 | /* peripherals at f0000000 */ |
| 69 | tlbentry(CFG_PERIPHERAL_BASE, SZ_4K, CFG_PERIPHERAL_BASE, 1, AC_R|AC_W|SA_G|SA_I) |
| Stefan Roese | 6e7fb6e | 2005-11-29 18:18:21 +0100 | [diff] [blame] | 70 | |
| Stefan Roese | 00cdb4c | 2007-03-08 10:13:16 +0100 | [diff] [blame] | 71 | /* PCI */ |
| 72 | tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 9, AC_R|AC_W|SA_G|SA_I) |
| 73 | tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x10000000, 9, AC_R|AC_W|SA_G|SA_I) |
| 74 | tlbtab_end |