xref: /openbmc/u-boot/board/freescale/p1010rdb/tlb.c (revision c6af2e7d)
1 /*
2  * Copyright 2010-2011 Freescale Semiconductor, Inc.
3  *
4  * See file CREDITS for list of people who contributed to this
5  * project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of
10  * the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20  * MA 02111-1307 USA
21  */
22 
23 #include <common.h>
24 #include <asm/mmu.h>
25 
26 struct fsl_e_tlb_entry tlb_table[] = {
27 	/* TLB 0 - for temp stack in cache */
28 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
29 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
30 			0, 0, BOOKE_PAGESZ_4K, 0),
31 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 ,
32 			CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024,
33 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
34 			0, 0, BOOKE_PAGESZ_4K, 0),
35 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 ,
36 			CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
37 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
38 			0, 0, BOOKE_PAGESZ_4K, 0),
39 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024 ,
40 			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_SW|MAS3_SR, MAS2_I|MAS2_G,
53 			0, 1, BOOKE_PAGESZ_1M, 1),
54 
55 #ifndef CONFIG_NAND_SPL
56 #ifndef CONFIG_SDCARD
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_16M, 1),
60 
61 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE + 0x1000000,
62 			CONFIG_SYS_FLASH_BASE_PHYS + 0x1000000,
63 			MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
64 			0, 3, BOOKE_PAGESZ_16M, 1),
65 #endif
66 
67 #ifdef CONFIG_PCI
68 	/* *I*G* - PCI */
69 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
70 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
71 			0, 4, BOOKE_PAGESZ_1G, 1),
72 
73 	/* *I*G* - PCI I/O */
74 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
75 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
76 			0, 5, BOOKE_PAGESZ_256K, 1),
77 #endif
78 #endif
79 
80 #ifndef CONFIG_SDCARD
81 	/* *I*G - Board CPLD  */
82 	SET_TLB_ENTRY(1, CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_BASE_PHYS,
83 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
84 			0, 6, BOOKE_PAGESZ_256K, 1),
85 
86 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE_PHYS,
87 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
88 			0, 7, BOOKE_PAGESZ_1M, 1),
89 #endif
90 
91 #if defined(CONFIG_SYS_RAMBOOT)
92 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
93 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
94 			0, 8, BOOKE_PAGESZ_1G, 1)
95 #endif
96 };
97 
98 int num_tlb_entries = ARRAY_SIZE(tlb_table);
99