wdenk | 544e973 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 1 | /* |
Peter Tyser | 68e27f4 | 2009-07-17 19:01:07 -0500 | [diff] [blame] | 2 | * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com> |
Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 3 | * SPDX-License-Identifier: GPL-2.0+ |
wdenk | 544e973 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 4 | */ |
| 5 | |
| 6 | #include <ppc_asm.tmpl> |
Stefan Roese | 94b6270 | 2010-04-14 13:57:18 +0200 | [diff] [blame] | 7 | #include <asm/mmu.h> |
wdenk | 544e973 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 8 | #include <config.h> |
Stefan Roese | 3ddce57 | 2010-09-20 16:05:31 +0200 | [diff] [blame] | 9 | #include <asm/ppc4xx.h> |
wdenk | 544e973 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 10 | |
Peter Tyser | 68e27f4 | 2009-07-17 19:01:07 -0500 | [diff] [blame] | 11 | /* |
wdenk | 544e973 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 12 | * TLB TABLE |
| 13 | * |
| 14 | * This table is used by the cpu boot code to setup the initial tlb |
| 15 | * entries. Rather than make broad assumptions in the cpu source tree, |
| 16 | * this table lets each board set things up however they like. |
| 17 | * |
Peter Tyser | 68e27f4 | 2009-07-17 19:01:07 -0500 | [diff] [blame] | 18 | * Pointer to the table is returned in r1 |
| 19 | */ |
wdenk | 544e973 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 20 | |
| 21 | .section .bootpg,"ax" |
| 22 | .globl tlbtab |
| 23 | |
| 24 | tlbtab: |
| 25 | tlbtab_start |
Stefan Roese | 94b6270 | 2010-04-14 13:57:18 +0200 | [diff] [blame] | 26 | tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_RWX | SA_IG) |
| 27 | tlbentry( CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_RW | SA_IG) |
| 28 | tlbentry( CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_RWX | SA_IG) |
| 29 | tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_RWX | SA_IG ) |
| 30 | tlbentry( CONFIG_SYS_SDRAM_BASE+0x10000000, SZ_256M, 0x10000000, 0, AC_RWX | SA_IG ) |
| 31 | tlbentry( CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_RW | SA_IG ) |
| 32 | tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_RW | SA_IG ) |
wdenk | 544e973 | 2004-02-06 23:19:44 +0000 | [diff] [blame] | 33 | tlbtab_end |