1 /*
2  * Common part of configuration settings for the AT91 SAMA5 board.
3  *
4  * Copyright (C) 2015 Atmel Corporation
5  *		      Josh Wu <josh.wu@atmel.com>
6  *
7  * SPDX-License-Identifier:	GPL-2.0+
8  */
9 
10 #ifndef __AT91_SAMA5_COMMON_H
11 #define __AT91_SAMA5_COMMON_H
12 
13 #define CONFIG_SYS_TEXT_BASE		0x26f00000
14 
15 /* ARM asynchronous clock */
16 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768
17 #define CONFIG_SYS_AT91_MAIN_CLOCK      12000000 /* from 12 MHz crystal */
18 
19 #define CONFIG_ARCH_CPU_INIT
20 
21 #ifndef CONFIG_SPL_BUILD
22 #define CONFIG_SKIP_LOWLEVEL_INIT
23 #endif
24 
25 #define CONFIG_ENV_VARS_UBOOT_CONFIG
26 
27 /* general purpose I/O */
28 #ifndef CONFIG_DM_GPIO
29 #define CONFIG_AT91_GPIO
30 #endif
31 
32 
33 /*
34  * BOOTP options
35  */
36 #define CONFIG_BOOTP_BOOTFILESIZE
37 #define CONFIG_BOOTP_BOOTPATH
38 #define CONFIG_BOOTP_GATEWAY
39 #define CONFIG_BOOTP_HOSTNAME
40 
41 /*
42  * Command line configuration.
43  */
44 
45 #ifdef CONFIG_SD_BOOT
46 
47 #ifdef CONFIG_ENV_IS_IN_MMC
48 /* Use raw reserved sectors to save environment */
49 #define CONFIG_ENV_OFFSET		0x2000
50 #define CONFIG_ENV_SIZE			0x1000
51 #define CONFIG_SYS_MMC_ENV_DEV		0
52 #else
53 /* u-boot env in sd/mmc card */
54 #define CONFIG_ENV_SIZE		0x4000
55 #endif
56 
57 #define CONFIG_BOOTCOMMAND	"if test ! -n ${dtb_name}; then "	\
58 				    "setenv dtb_name at91-${board_name}.dtb; " \
59 				"fi; "					\
60 				"fatload mmc 0:1 0x21000000 ${dtb_name}; " \
61 				"fatload mmc 0:1 0x22000000 zImage; "	\
62 				"bootz 0x22000000 - 0x21000000"
63 
64 #else
65 
66 #ifdef CONFIG_NAND_BOOT
67 /* u-boot env in nand flash */
68 #define CONFIG_ENV_OFFSET		0xc0000
69 #define CONFIG_ENV_OFFSET_REDUND	0x100000
70 #define CONFIG_ENV_SIZE			0x20000
71 #define CONFIG_BOOTCOMMAND		"nand read 0x21000000 0x180000 0x80000;"	\
72 					"nand read 0x22000000 0x200000 0x600000;"	\
73 					"bootz 0x22000000 - 0x21000000"
74 #elif CONFIG_SPI_BOOT
75 /* u-boot env in serial flash, by default is bus 0 and cs 0 */
76 #define CONFIG_ENV_OFFSET		0x6000
77 #define CONFIG_ENV_SIZE			0x2000
78 #define CONFIG_ENV_SECT_SIZE		0x1000
79 #define CONFIG_BOOTCOMMAND		"sf probe 0; "				\
80 					"sf read 0x21000000 0x60000 0xc000; "	\
81 					"sf read 0x22000000 0x6c000 0x394000; "	\
82 					"bootz 0x22000000 - 0x21000000"
83 #endif
84 
85 #endif
86 
87 #define CONFIG_SYS_LONGHELP
88 #define CONFIG_CMDLINE_EDITING
89 #define CONFIG_AUTO_COMPLETE
90 
91 /* Size of malloc() pool */
92 #define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
93 
94 #endif
95