source: SVN/rincon/u-boot/board/freescale/mpc8544ds/tlb.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 22 months ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 3.0 KB
Line 
1/*
2 * Copyright 2008 Freescale Semiconductor, Inc.
3 *
4 * (C) Copyright 2000
5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 *
7 * See file CREDITS for list of people who contributed to this
8 * project.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 * MA 02111-1307 USA
24 */
25
26#include <common.h>
27#include <asm/mmu.h>
28
29struct fsl_e_tlb_entry tlb_table[] = {
30        /* TLB 0 - for temp stack in cache */
31        SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR, CFG_INIT_RAM_ADDR,
32                      MAS3_SX|MAS3_SW|MAS3_SR, 0,
33                      0, 0, BOOKE_PAGESZ_4K, 0),
34        SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 4 * 1024 , CFG_INIT_RAM_ADDR + 4 * 1024,
35                      MAS3_SX|MAS3_SW|MAS3_SR, 0,
36                      0, 0, BOOKE_PAGESZ_4K, 0),
37        SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 8 * 1024 , CFG_INIT_RAM_ADDR + 8 * 1024,
38                      MAS3_SX|MAS3_SW|MAS3_SR, 0,
39                      0, 0, BOOKE_PAGESZ_4K, 0),
40        SET_TLB_ENTRY(0, CFG_INIT_RAM_ADDR + 12 * 1024 , CFG_INIT_RAM_ADDR + 12 * 1024,
41                      MAS3_SX|MAS3_SW|MAS3_SR, 0,
42                      0, 0, BOOKE_PAGESZ_4K, 0),
43        /*
44         * TLB 0:       64M     Non-cacheable, guarded
45         * 0xfc000000   64M     Covers FLASH at 0xFE800000 and 0xFF800000
46         * Out of reset this entry is only 4K.
47         */
48        SET_TLB_ENTRY(1, CFG_BOOT_BLOCK, CFG_BOOT_BLOCK,
49                      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
50                      0, 0, BOOKE_PAGESZ_64M, 1),
51        /*
52         * TLB 1:       1G      Non-cacheable, guarded
53         * 0x80000000   1G      PCIE  8,9,a,b
54         */
55        SET_TLB_ENTRY(1, CFG_PCIE_PHYS, CFG_PCIE_PHYS,
56                      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
57                      0, 1, BOOKE_PAGESZ_1G, 1),
58
59        /*
60         * TLB 2:       256M    Non-cacheable, guarded
61         */
62        SET_TLB_ENTRY(1, CFG_PCI_PHYS, CFG_PCI_PHYS,
63                      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
64                      0, 2, BOOKE_PAGESZ_256M, 1),
65
66        /*
67         * TLB 3:       256M    Non-cacheable, guarded
68         */
69        SET_TLB_ENTRY(1, CFG_PCI_PHYS + 0x10000000, CFG_PCI_PHYS + 0x10000000,
70                      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
71                      0, 3, BOOKE_PAGESZ_256M, 1),
72
73        /*
74         * TLB 4:       64M     Non-cacheable, guarded
75         * 0xe000_0000  1M      CCSRBAR
76         * 0xe100_0000  255M    PCI IO range
77         */
78        SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR_PHYS,
79                      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
80                      0, 4, BOOKE_PAGESZ_64M, 1),
81
82        /*
83         * TLB 5:       64M     Non-cacheable, guarded
84         * 0xf8000000   64M     PIXIS 0xF8000000 - 0xFBFFFFFF
85         */
86        SET_TLB_ENTRY(1, CFG_LBC_NONCACHE_BASE, CFG_LBC_NONCACHE_BASE,
87                      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
88                      0, 5, BOOKE_PAGESZ_64M, 1),
89};
90
91int num_tlb_entries = ARRAY_SIZE(tlb_table);
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