xref: /openbmc/u-boot/board/freescale/mpc8572ds/tlb.c (revision ab0df36f)
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, 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 	SET_TLB_ENTRY(0, PIXIS_BASE, PIXIS_BASE,
45 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
46 		      0, 0, BOOKE_PAGESZ_4K, 0),
47 
48 	/* TLB 1 */
49 	/* *I*** - Covers boot page */
50 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
51 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
52 		      0, 0, BOOKE_PAGESZ_4K, 1),
53 
54 	/* *I*G* - CCSRBAR */
55 	SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR_PHYS,
56 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
57 		      0, 1, BOOKE_PAGESZ_1M, 1),
58 
59 	/* W**G* - Flash/promjet, localbus */
60 	/* This will be changed to *I*G* after relocation to RAM. */
61 	SET_TLB_ENTRY(1, CFG_FLASH_BASE, CFG_FLASH_BASE,
62 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_W|MAS2_G,
63 		      0, 2, BOOKE_PAGESZ_256M, 1),
64 
65 	/* *I*G* - PCI */
66 	SET_TLB_ENTRY(1, CFG_PCIE3_MEM_PHYS, CFG_PCIE3_MEM_PHYS,
67 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
68 		      0, 3, BOOKE_PAGESZ_1G, 1),
69 
70 	/* *I*G* - PCI */
71 	SET_TLB_ENTRY(1, CFG_PCIE3_MEM_PHYS + 0x40000000, CFG_PCIE3_MEM_PHYS + 0x40000000,
72 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
73 		      0, 4, BOOKE_PAGESZ_256M, 1),
74 
75 	SET_TLB_ENTRY(1, CFG_PCIE3_MEM_PHYS + 0x50000000, CFG_PCIE3_MEM_PHYS + 0x50000000,
76 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
77 		      0, 5, BOOKE_PAGESZ_256M, 1),
78 
79 	/* *I*G* - PCI I/O */
80 	SET_TLB_ENTRY(1, CFG_PCIE3_IO_PHYS, CFG_PCIE3_IO_PHYS,
81 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
82 		      0, 6, BOOKE_PAGESZ_256K, 1),
83 };
84 
85 int num_tlb_entries = ARRAY_SIZE(tlb_table);
86