1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*
* (C) Copyright 2006
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <asm-offsets.h>
#include <ppc_asm.tmpl>
#include <asm/mmu.h>
#include <config.h>
#include <asm/ppc4xx.h>
/**************************************************************************
* TLB TABLE
*
* This table is used by the cpu boot code to setup the initial tlb
* entries. Rather than make broad assumptions in the cpu source tree,
* this table lets each board set things up however they like.
*
* Pointer to the table is returned in r1
*
*************************************************************************/
.section .bootpg,"ax"
.globl tlbtab
tlbtab:
tlbtab_start
tlbentry(0xff000000, SZ_16M, 0xff000000, 1, AC_RWX | SA_IG )
tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_256M, 0x40000000, 1, AC_RW | SA_IG)
tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_4K, 0x80000000, 0, AC_RWX)
tlbentry(CONFIG_SYS_ISRAM_BASE + 0x1000, SZ_4K, 0x80001000, 0, AC_RWX)
#ifdef CONFIG_4xx_DCACHE
tlbentry(CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_RWX | SA_G)
#else
tlbentry(CONFIG_SYS_SDRAM_BASE, SZ_256M, 0x00000000, 0, AC_RWX | SA_IG)
#endif
#ifdef CONFIG_SYS_INIT_RAM_DCACHE
/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
tlbentry(CONFIG_SYS_INIT_RAM_ADDR, SZ_64K, CONFIG_SYS_INIT_RAM_ADDR, 0, AC_RWX | SA_G)
#endif
tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 2, AC_RW | SA_IG)
/* PCI */
tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, CONFIG_SYS_PCI_MEMBASE, 3, AC_RW | SA_IG)
tlbentry(CONFIG_SYS_PCI_MEMBASE1, SZ_256M, CONFIG_SYS_PCI_MEMBASE1, 3, AC_RW | SA_IG)
tlbentry(CONFIG_SYS_PCI_MEMBASE2, SZ_256M, CONFIG_SYS_PCI_MEMBASE2, 3, AC_RW | SA_IG)
/* NAND */
tlbentry(CONFIG_SYS_NAND_BASE, SZ_4K, CONFIG_SYS_NAND_BASE, 1, AC_RWX | SA_IG)
tlbtab_end
|
