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wdenkc6097192002-11-03 00:24:07 +00001/*
2* Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com>
3*
4* See file CREDITS for list of people who contributed to this
5* project.
6*
7* This program is free software; you can redistribute it and/or
8* modify it under the terms of the GNU General Public License as
9* published by the Free Software Foundation; either version 2 of
10* the License, or (at your option) any later version.
11*
12* This program is distributed in the hope that it will be useful,
13* but WITHOUT ANY WARRANTY; without even the implied warranty of
14* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15* GNU General Public License for more details.
16*
17* You should have received a copy of the GNU General Public License
18* along with this program; if not, write to the Free Software
19* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20* MA 02111-1307 USA
21*/
22
23#include <ppc_asm.tmpl>
24#include <config.h>
Stefan Roese8423e5e2007-03-16 21:11:42 +010025#include <asm-ppc/mmu.h>
wdenkc6097192002-11-03 00:24:07 +000026
27/**************************************************************************
28 * TLB TABLE
29 *
30 * This table is used by the cpu boot code to setup the initial tlb
31 * entries. Rather than make broad assumptions in the cpu source tree,
32 * this table lets each board set things up however they like.
33 *
34 * Pointer to the table is returned in r1
35 *
36 *************************************************************************/
37
Stefan Roese8423e5e2007-03-16 21:11:42 +010038 .section .bootpg,"ax"
39 .globl tlbtab
wdenkc6097192002-11-03 00:24:07 +000040
41tlbtab:
Stefan Roese8423e5e2007-03-16 21:11:42 +010042 tlbtab_start
43
44 tlbentry(0xf0000000, SZ_256M, 0xf0000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I)
45
46 /*
47 * TLB entries for SDRAM are not needed on this platform.
48 * They are dynamically generated in the SPD DDR(2) detection
49 * routine.
50 */
51
52 tlbentry(CFG_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_R|AC_W|SA_G|SA_I)
53 tlbentry(CFG_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_R|AC_W|AC_X)
54 tlbentry(CFG_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_R|AC_W|AC_X)
55 tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 2, AC_R|AC_W|SA_G|SA_I)
56 tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x00000000, 3, AC_R|AC_W|SA_G|SA_I)
57 tlbtab_end