xref: /OK3568_Linux_fs/u-boot/board/freescale/mpc8568mds/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  *0)   0x0000_0000   0x7fff_ffff     DDR                     2G
18*4882a593Smuzhiyun  *1)   0x8000_0000   0x9fff_ffff     PCI1 MEM                512MB
19*4882a593Smuzhiyun  *2)   0xa000_0000   0xbfff_ffff     PCIe MEM                512MB
20*4882a593Smuzhiyun  *-)   0xe000_0000   0xe00f_ffff     CCSR                    1M
21*4882a593Smuzhiyun  *3)   0xe200_0000   0xe27f_ffff     PCI1 I/O                8M
22*4882a593Smuzhiyun  *4)   0xe280_0000   0xe2ff_ffff     PCIe I/O                8M
23*4882a593Smuzhiyun  *5)   0xc000_0000   0xdfff_ffff     SRIO                    512MB
24*4882a593Smuzhiyun  *6.a) 0xf000_0000   0xf3ff_ffff     SDRAM                   64MB
25*4882a593Smuzhiyun  *6.b) 0xf800_0000   0xf800_7fff     BCSR                    32KB
26*4882a593Smuzhiyun  *6.c) 0xf800_8000   0xf800_ffff     PIB (CS4)		     32KB
27*4882a593Smuzhiyun  *6.d) 0xf801_0000   0xf801_7fff     PIB (CS5)		     32KB
28*4882a593Smuzhiyun  *6.e) 0xfe00_0000   0xffff_ffff     Flash                   32MB
29*4882a593Smuzhiyun  *
30*4882a593Smuzhiyun  *Notes:
31*4882a593Smuzhiyun  *    CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
32*4882a593Smuzhiyun  *    If flash is 8M at default position (last 8M), no LAW needed.
33*4882a593Smuzhiyun  *
34*4882a593Smuzhiyun  */
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun struct law_entry law_table[] = {
37*4882a593Smuzhiyun 	/* LBC window - maps 256M.  That's SDRAM, BCSR, PIBs, and Flash */
38*4882a593Smuzhiyun 	SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
39*4882a593Smuzhiyun };
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun int num_law_entries = ARRAY_SIZE(law_table);
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