xref: /openbmc/u-boot/board/socrates/law.c (revision c978b524)
1 /*
2  * (C) Copyright 2008
3  * Sergei Poselenov, Emcraft Systems, sposelenov@emcraft.com.
4  *
5  * Copyright 2008 Freescale Semiconductor, Inc.
6  *
7  * (C) Copyright 2000
8  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9  *
10  * SPDX-License-Identifier:	GPL-2.0+
11  */
12 
13 #include <common.h>
14 #include <asm/fsl_law.h>
15 #include <asm/mmu.h>
16 
17 /*
18  * LAW(Local Access Window) configuration:
19  *
20  * 0x0000_0000	   0x2fff_ffff	   DDR			   512M
21  * 0x8000_0000	   0x9fff_ffff	   PCI1 MEM		   512M
22  * 0xc000_0000	   0xc00f_ffff	   FPGA			   1M
23  * 0xc800_0000	   0xcbff_ffff	   LIME			   64M
24  * 0xe000_0000	   0xe00f_ffff	   CCSR			   1M (mapped by CCSRBAR)
25  * 0xe200_0000	   0xe2ff_ffff	   PCI1 IO		   16M
26  * 0xfc00_0000	   0xffff_ffff	   FLASH		   64M
27  *
28  * Notes:
29  *    CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
30  *    If flash is 8M at default position (last 8M), no LAW needed.
31  */
32 
33 struct law_entry law_table[] = {
34 	SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_DDR),
35 	SET_LAW(CONFIG_SYS_PCI1_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_PCI),
36 	SET_LAW(CONFIG_SYS_LBC_FLASH_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
37 	SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI),
38 #if defined(CONFIG_SYS_FPGA_BASE)
39 	SET_LAW(CONFIG_SYS_FPGA_BASE, LAW_SIZE_1M, LAW_TRGT_IF_LBC),
40 #endif
41 	SET_LAW(CONFIG_SYS_LIME_BASE, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
42 };
43 
44 int num_law_entries = ARRAY_SIZE(law_table);
45