xref: /openbmc/u-boot/board/freescale/mpc8572ds/tlb.c (revision 713cb680)
1 /*
2  * Copyright 2008-2010 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|MAS2_G,
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_PHYS,
58 		      MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
59 		      0, 2, BOOKE_PAGESZ_256M, 1),
60 
61 #ifndef CONFIG_NAND_SPL
62 	/* *I*G* - PCI */
63 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT, CONFIG_SYS_PCIE3_MEM_PHYS,
64 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
65 		      0, 3, BOOKE_PAGESZ_1G, 1),
66 
67 	/* *I*G* - PCI */
68 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x40000000, CONFIG_SYS_PCIE3_MEM_PHYS + 0x40000000,
69 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
70 		      0, 4, BOOKE_PAGESZ_256M, 1),
71 
72 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_MEM_VIRT + 0x50000000, CONFIG_SYS_PCIE3_MEM_PHYS + 0x50000000,
73 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
74 		      0, 5, BOOKE_PAGESZ_256M, 1),
75 
76 	/* *I*G* - PCI I/O */
77 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE3_IO_VIRT, CONFIG_SYS_PCIE3_IO_PHYS,
78 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
79 		      0, 6, BOOKE_PAGESZ_256K, 1),
80 #endif
81 
82 	/* *I*G - NAND */
83 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
84 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
85 		      0, 7, BOOKE_PAGESZ_1M, 1),
86 
87 	SET_TLB_ENTRY(1, PIXIS_BASE, PIXIS_BASE_PHYS,
88 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
89 		      0, 8, BOOKE_PAGESZ_4K, 1),
90 
91 #if defined(CONFIG_SYS_RAMBOOT) && defined(CONFIG_SYS_INIT_L2_ADDR)
92 	/* *I*G - L2SRAM */
93 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR,
94 			CONFIG_SYS_INIT_L2_ADDR_PHYS,
95 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
96 			0, 9, BOOKE_PAGESZ_256K, 1),
97 	SET_TLB_ENTRY(1, CONFIG_SYS_INIT_L2_ADDR + 0x40000,
98 			CONFIG_SYS_INIT_L2_ADDR_PHYS + 0x40000,
99 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
100 			0, 10, BOOKE_PAGESZ_256K, 1),
101 #endif
102 };
103 
104 int num_tlb_entries = ARRAY_SIZE(tlb_table);
105