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Merge branch 'master' of git://git.denx.de/u-boot-uniphier
[u-boot] / board / sbc8548 / law.c
1 /*
2  * Copyright 2008 Freescale Semiconductor, Inc.
3  *
4  * (C) Copyright 2000
5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6  *
7  * SPDX-License-Identifier:     GPL-2.0+
8  */
9
10 #include <common.h>
11 #include <asm/fsl_law.h>
12 #include <asm/mmu.h>
13
14 /*
15  * LAW(Local Access Window) configuration:
16  *
17  * 0x0000_0000  0x0fff_ffff     DDR                     256M
18  * 0x8000_0000  0x9fff_ffff     PCI1 MEM                512M
19  * 0xa000_0000  0xbfff_ffff     PCIe MEM                512M
20  * 0xe000_0000  0xe000_ffff     CCSR                    1M
21  * 0xe200_0000  0xe27f_ffff     PCI1 IO                 8M
22  * 0xe280_0000  0xe2ff_ffff     PCIe IO                 8M
23  * 0xec00_0000  0xefff_ffff     FLASH (2nd bank)        64M
24  * 0xf000_0000  0xf7ff_ffff     SDRAM                   128M
25  * 0xf8b0_0000  0xf80f_ffff     EEPROM                  1M
26  * 0xff80_0000  0xffff_ffff     FLASH (boot bank)       8M
27  *
28  * If swapped CS0/CS6 via JP12+SW2.8:
29  * 0xef80_0000  0xefff_ffff     FLASH (2nd bank)        8M
30  * 0xfc00_0000  0xffff_ffff     FLASH (boot bank)       64M
31  *
32  * Notes:
33  *      CCSRBAR and L2-as-SRAM don't need a configured Local Access Window.
34  *      If flash is 8M at default position (last 8M), no LAW needed.
35  */
36
37 struct law_entry law_table[] = {
38 #ifdef CONFIG_SYS_ALT_BOOT
39         SET_LAW(CONFIG_SYS_ALT_FLASH, LAW_SIZE_8M, LAW_TRGT_IF_LBC),
40 #else
41         SET_LAW(CONFIG_SYS_ALT_FLASH, LAW_SIZE_64M, LAW_TRGT_IF_LBC),
42 #endif
43 #ifndef CONFIG_SPD_EEPROM
44         SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR),
45 #endif
46 #ifdef CONFIG_SYS_LBC_SDRAM_BASE
47         /* LBC window - maps 256M 0xf0000000 -> 0xffffffff */
48         SET_LAW(CONFIG_SYS_LBC_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_LBC),
49 #else
50         /* LBC window - maps 128M 0xf8000000 -> 0xffffffff */
51         SET_LAW(CONFIG_SYS_EPLD_BASE, LAW_SIZE_128M, LAW_TRGT_IF_LBC),
52 #endif
53 };
54
55 int num_law_entries = ARRAY_SIZE(law_table);