xref: /openbmc/u-boot/board/freescale/p1_twr/tlb.c (revision f165bc35)
1 /*
2  * Copyright 2013 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,
29 			CONFIG_SYS_INIT_RAM_ADDR_PHYS,
30 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
31 			0, 0, BOOKE_PAGESZ_4K, 0),
32 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 4 * 1024 ,
33 			CONFIG_SYS_INIT_RAM_ADDR_PHYS + 4 * 1024,
34 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
35 			0, 0, BOOKE_PAGESZ_4K, 0),
36 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024 ,
37 			CONFIG_SYS_INIT_RAM_ADDR_PHYS + 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 ,
41 			CONFIG_SYS_INIT_RAM_ADDR_PHYS + 12 * 1024,
42 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
43 			0, 0, BOOKE_PAGESZ_4K, 0),
44 
45 	/* TLB 1 */
46 	/* *I*** - Covers boot page */
47 	SET_TLB_ENTRY(1, 0xfffff000, 0xfffff000,
48 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I,
49 			0, 0, BOOKE_PAGESZ_4K, 1),
50 
51 	/* *I*G* - CCSRBAR */
52 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
53 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
54 			0, 1, BOOKE_PAGESZ_1M, 1),
55 
56 #ifndef CONFIG_SPL_BUILD
57 	/* W**G* - Flash, localbus */
58 	/* This will be changed to *I*G* after relocation to RAM. */
59 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE_PHYS,
60 			MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
61 			0, 2, BOOKE_PAGESZ_64M, 1),
62 
63 	/* W**G* - Flash, localbus */
64 	/* This will be changed to *I*G* after relocation to RAM. */
65 	SET_TLB_ENTRY(1, CONFIG_SYS_SSD_BASE, CONFIG_SYS_SSD_BASE_PHYS,
66 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
67 			0, 5, BOOKE_PAGESZ_1M, 1),
68 
69 #ifdef CONFIG_PCI
70 	/* *I*G* - PCI memory 1.5G */
71 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_MEM_VIRT, CONFIG_SYS_PCIE1_MEM_PHYS,
72 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
73 			0, 3, BOOKE_PAGESZ_1G, 1),
74 
75 	/* *I*G* - PCI I/O effective: 192K  */
76 	SET_TLB_ENTRY(1, CONFIG_SYS_PCIE1_IO_VIRT, CONFIG_SYS_PCIE1_IO_PHYS,
77 			MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
78 			0, 4, BOOKE_PAGESZ_256K, 1),
79 #endif
80 
81 #endif
82 
83 #ifdef CONFIG_SYS_RAMBOOT
84 	/* *I*G - eSDHC boot */
85 	SET_TLB_ENTRY(1, CONFIG_SYS_DDR_SDRAM_BASE, CONFIG_SYS_DDR_SDRAM_BASE,
86 			MAS3_SX|MAS3_SW|MAS3_SR, 0,
87 			0, 8, BOOKE_PAGESZ_1G, 1),
88 #endif
89 
90 };
91 
92 int num_tlb_entries = ARRAY_SIZE(tlb_table);
93