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Stefan Roesec443fe92005-11-22 13:20:42 +01001/*
2 * (C) Copyright 2005
3 * Stefan Roese, DENX Software Engineering, sr@denx.de.
4 *
5 * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
6 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +02007 * SPDX-License-Identifier: GPL-2.0+
Stefan Roesec443fe92005-11-22 13:20:42 +01008 */
9
10#include <ppc_asm.tmpl>
Stefan Roese94b62702010-04-14 13:57:18 +020011#include <asm/mmu.h>
Stefan Roesec443fe92005-11-22 13:20:42 +010012#include <config.h>
Stefan Roese3ddce572010-09-20 16:05:31 +020013#include <asm/ppc4xx.h>
Stefan Roesec443fe92005-11-22 13:20:42 +010014
Stefan Roesec443fe92005-11-22 13:20:42 +010015/**************************************************************************
16 * TLB TABLE
17 *
18 * This table is used by the cpu boot code to setup the initial tlb
19 * entries. Rather than make broad assumptions in the cpu source tree,
20 * this table lets each board set things up however they like.
21 *
22 * Pointer to the table is returned in r1
23 *
24 *************************************************************************/
25
26 .section .bootpg,"ax"
27 .globl tlbtab
28
29tlbtab:
30 tlbtab_start
Stefan Roese94b62702010-04-14 13:57:18 +020031 tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_RWX | SA_IG)
32 tlbentry( CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_RW | SA_IG)
33 tlbentry( CONFIG_SYS_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_RWX )
34 tlbentry( CONFIG_SYS_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_RWX )
35 tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_RWX | SA_IG )
36 tlbentry( CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_RW | SA_IG )
37 tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_RW | SA_IG )
Stefan Roesec443fe92005-11-22 13:20:42 +010038 tlbtab_end