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85xx: separate PIXIS virtual from physical address
[u-boot] / board / freescale / mpc8572ds / tlb.c
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
29 struct fsl_e_tlb_entry tlb_table[] = {
30         /* TLB 0 - for temp stack in cache */
31         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
32                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
33                       0, 0, BOOKE_PAGESZ_4K, 0),
34         SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 , CONFIG_SYS_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, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 , CONFIG_SYS_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, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 , CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
41                       MAS3_SX|MAS3_SW|MAS3_SR, 0,
42                       0, 0, BOOKE_PAGESZ_4K, 0),
43
44         /* TLB 1 */
45         /* *I*** - Covers boot page */
46         SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
47                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
48                       0, 0, BOOKE_PAGESZ_4K, 1),
49
50         /* *I*G* - CCSRBAR */
51         SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
52                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
53                       0, 1, BOOKE_PAGESZ_1M, 1),
54
55         /* W**G* - Flash/promjet, localbus */
56         /* This will be changed to *I*G* after relocation to RAM. */
57         SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE,
58                       MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
59                       0, 2, BOOKE_PAGESZ_256M, 1),
60
61         /* *I*G* - PCI */
62         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_PHYS, CONFIG_SYS_PCIE3_MEM_PHYS,
63                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
64                       0, 3, BOOKE_PAGESZ_1G, 1),
65
66         /* *I*G* - PCI */
67         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_PHYS + 0x40000000, CONFIG_SYS_PCIE3_MEM_PHYS + 0x40000000,
68                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
69                       0, 4, BOOKE_PAGESZ_256M, 1),
70
71         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_PHYS + 0x50000000, CONFIG_SYS_PCIE3_MEM_PHYS + 0x50000000,
72                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
73                       0, 5, BOOKE_PAGESZ_256M, 1),
74
75         /* *I*G* - PCI I/O */
76         SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_PHYS, CONFIG_SYS_PCIE3_IO_PHYS,
77                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
78                       0, 6, BOOKE_PAGESZ_256K, 1),
79
80         /* *I*G - NAND */
81         SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
82                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
83                       0, 7, BOOKE_PAGESZ_1M, 1),
84
85         SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS,
86                       MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
87                       0, 8, BOOKE_PAGESZ_4K, 1),
88 };
89
90 int num_tlb_entries = ARRAY_SIZE(tlb_table);