xref: /openbmc/u-boot/board/xes/xpedite520x/tlb.c (revision c6af2e7d)
1 /*
2  * Copyright 2008 Extreme Engineering Solutions, Inc.
3  * Copyright 2008 Freescale Semiconductor, Inc.
4  *
5  * (C) Copyright 2000
6  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7  *
8  * See file CREDITS for list of people who contributed to this
9  * project.
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Public License as
13  * published by the Free Software Foundation; either version 2 of
14  * the License, or (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24  * MA 02111-1307 USA
25  */
26 
27 #include <common.h>
28 #include <asm/mmu.h>
29 
30 struct fsl_e_tlb_entry tlb_table[] = {
31 	/* TLB 0 - for temp stack in cache */
32 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR, CONFIG_SYS_INIT_RAM_ADDR,
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 + 4 * 1024,
36 		CONFIG_SYS_INIT_RAM_ADDR + 4 * 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 + 8 * 1024,
40 		CONFIG_SYS_INIT_RAM_ADDR + 8 * 1024,
41 		MAS3_SX|MAS3_SW|MAS3_SR, 0,
42 		0, 0, BOOKE_PAGESZ_4K, 0),
43 	SET_TLB_ENTRY(0, CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
44 		CONFIG_SYS_INIT_RAM_ADDR + 12 * 1024,
45 		MAS3_SX|MAS3_SW|MAS3_SR, 0,
46 		0, 0, BOOKE_PAGESZ_4K, 0),
47 
48 	/* W**G* - NOR flashes */
49 	/* This will be changed to *I*G* after relocation to RAM. */
50 	SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE2, CONFIG_SYS_FLASH_BASE2,
51 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_W|MAS2_G,
52 		0, 0, BOOKE_PAGESZ_256M, 1),
53 
54 	SET_TLB_ENTRY(1, CONFIG_SYS_CCSRBAR, CONFIG_SYS_CCSRBAR_PHYS,
55 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
56 		0, 1, BOOKE_PAGESZ_1M, 1),
57 
58 	/* *I*G* - NAND flash */
59 	SET_TLB_ENTRY(1, CONFIG_SYS_NAND_BASE, CONFIG_SYS_NAND_BASE,
60 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
61 		0, 2, BOOKE_PAGESZ_1M, 1),
62 
63 #if CONFIG_PCI1
64 	/* *I*G* - PCI MEM */
65 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_MEM_PHYS, CONFIG_SYS_PCI1_MEM_PHYS,
66 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
67 		0, 3, BOOKE_PAGESZ_1G, 1),
68 #endif
69 
70 #if CONFIG_PCI2
71 	/* *I*G* - PCI MEM */
72 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI2_MEM_PHYS, CONFIG_SYS_PCI2_MEM_PHYS,
73 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
74 		0, 4, BOOKE_PAGESZ_256M, 1),
75 #endif
76 
77 #if defined(CONFIG_PCI1) || defined(CONFIG_PCI2)
78 	/* *I*G* - PCI IO */
79 	SET_TLB_ENTRY(1, CONFIG_SYS_PCI1_IO_PHYS, CONFIG_SYS_PCI1_IO_PHYS,
80 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
81 		0, 5, BOOKE_PAGESZ_16M, 1),
82 #endif
83 };
84 
85 int num_tlb_entries = ARRAY_SIZE(tlb_table);
86