xref: /OK3568_Linux_fs/u-boot/board/sbc8641d/law.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2008 Freescale Semiconductor, Inc.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * (C) Copyright 2000
5*4882a593Smuzhiyun  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
8*4882a593Smuzhiyun  */
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include <common.h>
11*4882a593Smuzhiyun #include <asm/fsl_law.h>
12*4882a593Smuzhiyun #include <asm/mmu.h>
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun /*
15*4882a593Smuzhiyun  * LAW (Local Access Window) configuration:
16*4882a593Smuzhiyun  *
17*4882a593Smuzhiyun  * 0x0000_0000	DDR			256M
18*4882a593Smuzhiyun  * 0x1000_0000	DDR2			256M
19*4882a593Smuzhiyun  * 0x8000_0000	PCIE1 MEM		512M
20*4882a593Smuzhiyun  * 0xa000_0000	PCIE2 MEM		512M
21*4882a593Smuzhiyun  * 0xc000_0000	RapidIO			512M
22*4882a593Smuzhiyun  * 0xe200_0000	PCIE1 IO		16M
23*4882a593Smuzhiyun  * 0xe300_0000	PCIE2 IO		16M
24*4882a593Smuzhiyun  * 0xf800_0000	CCSRBAR			2M
25*4882a593Smuzhiyun  * 0xfe00_0000	FLASH (boot bank)	32M
26*4882a593Smuzhiyun  *
27*4882a593Smuzhiyun  */
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun struct law_entry law_table[] = {
31*4882a593Smuzhiyun #if !defined(CONFIG_SPD_EEPROM)
32*4882a593Smuzhiyun 	SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_1),
33*4882a593Smuzhiyun 	SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE + 0x10000000,
34*4882a593Smuzhiyun 		 LAW_SIZE_256M, LAW_TRGT_IF_DDR_2),
35*4882a593Smuzhiyun #endif
36*4882a593Smuzhiyun 	SET_LAW(0xf8000000, LAW_SIZE_2M, LAW_TRGT_IF_LBC),
37*4882a593Smuzhiyun 	SET_LAW(0xfe000000, LAW_SIZE_32M, LAW_TRGT_IF_LBC),
38*4882a593Smuzhiyun };
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun int num_law_entries = ARRAY_SIZE(law_table);
41