blob: 13e340eece5dff259067e0d0145647b6c6be40af [file] [log] [blame]
Stefan Roeseb79316f2005-08-15 12:31:23 +02001/*
2* Copyright (C) 2005
3* Travis B. Sawyer, Sandburst Corporation, tsawyer@sandburst.com
Wolfgang Denk1a459662013-07-08 09:37:19 +02004 * SPDX-License-Identifier: GPL-2.0+
Stefan Roeseb79316f2005-08-15 12:31:23 +02005*/
6
7#include <ppc_asm.tmpl>
Stefan Roesecf6eb6d2010-04-14 13:57:18 +02008#include <asm/mmu.h>
Stefan Roeseb79316f2005-08-15 12:31:23 +02009#include <config.h>
Stefan Roese550650d2010-09-20 16:05:31 +020010#include <asm/ppc4xx.h>
Stefan Roeseb79316f2005-08-15 12:31:23 +020011
Stefan Roeseb79316f2005-08-15 12:31:23 +020012/**************************************************************************
13 * TLB TABLE
14 *
15 * This table is used by the cpu boot code to setup the initial tlb
16 * entries. Rather than make broad assumptions in the cpu source tree,
17 * this table lets each board set things up however they like.
18 *
19 * Pointer to the table is returned in r1
20 *
21 *************************************************************************/
22
23 .section .bootpg,"ax"
24 .globl tlbtab
25
26tlbtab:
27 tlbtab_start
Stefan Roesecf6eb6d2010-04-14 13:57:18 +020028 tlbentry( 0xf0000000, SZ_256M, 0xf0000000, 1, AC_RWX | SA_IG)
29 tlbentry( CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_RW | SA_IG)
30 tlbentry( CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_RWX | SA_IG)
31 tlbentry( CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_RWX | SA_IG )
32 tlbentry( CONFIG_SYS_SDRAM_BASE+0x10000000, SZ_256M, 0x10000000, 0, AC_RWX | SA_IG )
33 tlbentry( CONFIG_SYS_SDRAM_BASE+0x20000000, SZ_256M, 0x20000000, 0, AC_RWX | SA_IG )
34 tlbentry( CONFIG_SYS_SDRAM_BASE+0x30000000, SZ_256M, 0x30000000, 0, AC_RWX | SA_IG )
35 tlbentry( CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_RW | SA_IG )
36 tlbentry( CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_RW | SA_IG )
Stefan Roeseb79316f2005-08-15 12:31:23 +020037 tlbtab_end