1 /*
2  * Copyright 2008,2010-2011 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/fsl_law.h>
28 #include <asm/mmu.h>
29 
30 /*
31  * LAW(Local Access Window) configuration:
32  *
33  * 0x0000_0000     0x7fff_ffff     DDR                     2G
34  * if PCI (prepend 0xc_0000_0000 if CONFIG_PHYS_64BIT)
35  * 0x8000_0000     0x9fff_ffff     PCIE1 MEM                512M
36  * 0xa000_0000     0xbfff_ffff     PCIE2 MEM                512M
37  * else if RIO (prepend 0xc_0000_0000 if CONFIG_PHYS_64BIT)
38  * 0x8000_0000     0x9fff_ffff     RapidIO                 512M
39  * endif
40  * (prepend 0xf_0000_0000 if CONFIG_PHYS_64BIT)
41  * 0xffc0_0000     0xffc0_ffff     PCIE1 IO                 64K
42  * 0xffc1_0000     0xffc1_ffff     PCIE2 IO                 64K
43  * 0xffe0_0000     0xffef_ffff     CCSRBAR                 1M
44  * 0xffdf_0000     0xffe0_0000     PIXIS, CF               64K
45  * 0xef80_0000     0xefff_ffff     FLASH (boot bank)       8M
46  *
47  * Notes:
48  *    CCSRBAR doesn't need a configured Local Access Window.
49  *    If flash is 8M at default position (last 8M), no LAW needed.
50  */
51 
52 struct law_entry law_table[] = {
53 #if !defined(CONFIG_SPD_EEPROM)
54 	SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_1),
55 #endif
56 	SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_LBC),
57 	SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_LBC),
58 };
59 
60 int num_law_entries = ARRAY_SIZE(law_table);
61