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 	/*
45 	 * TLB 0:	16M	Non-cacheable, guarded
46 	 * 0xff000000	16M	FLASH
47 	 * Out of reset this entry is only 4K.
48 	 */
49 	SET_TLB_ENTRY(1, CFG_BOOT_BLOCK, CFG_BOOT_BLOCK,
50 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
51 		      0, 0, BOOKE_PAGESZ_16M, 1),
52 
53 	/*
54 	 * TLB 1:	1G	Non-cacheable, guarded
55 	 * 0x80000000	1G	PCI1/PCIE  8,9,a,b
56 	 */
57 	SET_TLB_ENTRY(1, CFG_PCI_PHYS, CFG_PCI_PHYS,
58 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
59 		      0, 1, BOOKE_PAGESZ_1G, 1),
60 
61 #ifdef CFG_RIO_MEM_PHYS
62 	/*
63 	 * TLB 2:	256M	Non-cacheable, guarded
64 	 */
65 	SET_TLB_ENTRY(1, CFG_RIO_MEM_BASE, CFG_RIO_MEM_BASE,
66 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
67 		      0, 2, BOOKE_PAGESZ_256M, 1),
68 
69 	/*
70 	 * TLB 3:	256M	Non-cacheable, guarded
71 	 */
72 	SET_TLB_ENTRY(1, CFG_RIO_MEM_BASE + 0x10000000, CFG_RIO_MEM_BASE + 0x10000000,
73 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
74 		      0, 3, BOOKE_PAGESZ_256M, 1),
75 #endif
76 	/*
77 	 * TLB 5:	64M	Non-cacheable, guarded
78 	 * 0xe000_0000	1M	CCSRBAR
79 	 * 0xe200_0000	1M	PCI1 IO
80 	 * 0xe210_0000	1M	PCI2 IO
81 	 * 0xe300_0000	1M	PCIe IO
82 	 */
83 	SET_TLB_ENTRY(1, CFG_CCSRBAR, CFG_CCSRBAR,
84 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
85 		      0, 5, BOOKE_PAGESZ_64M, 1),
86 
87 	/*
88 	 * TLB 6:	64M	Cacheable, non-guarded
89 	 * 0xf000_0000	64M	LBC SDRAM
90 	 */
91 	SET_TLB_ENTRY(1, CFG_LBC_CACHE_BASE, CFG_LBC_CACHE_BASE,
92 		      MAS3_SX|MAS3_SW|MAS3_SR, 0,
93 		      0, 6, BOOKE_PAGESZ_64M, 1),
94 
95 	/*
96 	 * TLB 7:	64M	Non-cacheable, guarded
97 	 * 0xf8000000	64M	CADMUS registers, relocated L2SRAM
98 	 */
99 	SET_TLB_ENTRY(1, CFG_LBC_NONCACHE_BASE, CFG_LBC_NONCACHE_BASE,
100 		      MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
101 		      0, 7, BOOKE_PAGESZ_64M, 1),
102 };
103 
104 int num_tlb_entries = ARRAY_SIZE(tlb_table);
105