xref: /OK3568_Linux_fs/u-boot/board/freescale/mpc8641hpcn/law.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright 2008,2010-2011 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     0x7fff_ffff     DDR                     2G
18*4882a593Smuzhiyun  * if PCI (prepend 0xc_0000_0000 if CONFIG_PHYS_64BIT)
19*4882a593Smuzhiyun  * 0x8000_0000     0x9fff_ffff     PCIE1 MEM                512M
20*4882a593Smuzhiyun  * 0xa000_0000     0xbfff_ffff     PCIE2 MEM                512M
21*4882a593Smuzhiyun  * else if RIO (prepend 0xc_0000_0000 if CONFIG_PHYS_64BIT)
22*4882a593Smuzhiyun  * 0x8000_0000     0x9fff_ffff     RapidIO                 512M
23*4882a593Smuzhiyun  * endif
24*4882a593Smuzhiyun  * (prepend 0xf_0000_0000 if CONFIG_PHYS_64BIT)
25*4882a593Smuzhiyun  * 0xffc0_0000     0xffc0_ffff     PCIE1 IO                 64K
26*4882a593Smuzhiyun  * 0xffc1_0000     0xffc1_ffff     PCIE2 IO                 64K
27*4882a593Smuzhiyun  * 0xffe0_0000     0xffef_ffff     CCSRBAR                 1M
28*4882a593Smuzhiyun  * 0xffdf_0000     0xffe0_0000     PIXIS, CF               64K
29*4882a593Smuzhiyun  * 0xef80_0000     0xefff_ffff     FLASH (boot bank)       8M
30*4882a593Smuzhiyun  *
31*4882a593Smuzhiyun  * Notes:
32*4882a593Smuzhiyun  *    CCSRBAR doesn't need a configured Local Access Window.
33*4882a593Smuzhiyun  *    If flash is 8M at default position (last 8M), no LAW needed.
34*4882a593Smuzhiyun  */
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun struct law_entry law_table[] = {
37*4882a593Smuzhiyun #if !defined(CONFIG_SPD_EEPROM)
38*4882a593Smuzhiyun 	SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_1),
39*4882a593Smuzhiyun #endif
40*4882a593Smuzhiyun 	SET_LAW(PIXIS_BASE_PHYS, LAW_SIZE_64K, LAW_TRGT_IF_LBC),
41*4882a593Smuzhiyun 	SET_LAW(CONFIG_SYS_FLASH_BASE_PHYS, LAW_SIZE_8M, LAW_TRGT_IF_LBC),
42*4882a593Smuzhiyun };
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun int num_law_entries = ARRAY_SIZE(law_table);
45