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 #include <asm/hardware.h>
14 
15 #define CONFIG_SYS_TEXT_BASE		0x26f00000
16 
17 /* ARM asynchronous clock */
18 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768
19 #define CONFIG_SYS_AT91_MAIN_CLOCK      12000000 /* from 12 MHz crystal */
20 
21 #define CONFIG_ARCH_CPU_INIT
22 
23 #ifndef CONFIG_SPL_BUILD
24 #define CONFIG_SKIP_LOWLEVEL_INIT
25 #endif
26 
27 #define CONFIG_BOARD_EARLY_INIT_F
28 #define CONFIG_DISPLAY_CPUINFO
29 
30 #define CONFIG_ENV_VARS_UBOOT_CONFIG
31 #define CONFIG_CMD_BOOTZ
32 #define CONFIG_OF_LIBFDT		/* Device Tree support */
33 
34 
35 /* general purpose I/O */
36 #define CONFIG_AT91_GPIO
37 
38 #define CONFIG_BOOTDELAY		3
39 
40 /*
41  * BOOTP options
42  */
43 #define CONFIG_BOOTP_BOOTFILESIZE
44 #define CONFIG_BOOTP_BOOTPATH
45 #define CONFIG_BOOTP_GATEWAY
46 #define CONFIG_BOOTP_HOSTNAME
47 
48 /*
49  * Command line configuration.
50  */
51 #define CONFIG_CMD_PING
52 #define CONFIG_CMD_DHCP
53 
54 #ifdef CONFIG_SYS_USE_MMC
55 
56 #ifdef CONFIG_ENV_IS_IN_MMC
57 /* Use raw reserved sectors to save environment */
58 #define CONFIG_ENV_OFFSET		0x2000
59 #define CONFIG_ENV_SIZE			0x1000
60 #define CONFIG_SYS_MMC_ENV_DEV		0
61 #else
62 /* u-boot env in sd/mmc card */
63 #define CONFIG_ENV_IS_IN_FAT
64 #define CONFIG_FAT_WRITE
65 #define FAT_ENV_INTERFACE	"mmc"
66 #define FAT_ENV_DEVICE_AND_PART	"0"
67 #define FAT_ENV_FILE		"uboot.env"
68 #define CONFIG_ENV_SIZE		0x4000
69 #endif
70 
71 #define CONFIG_BOOTCOMMAND	"if test ! -n ${dtb_name}; then "	\
72 				    "setenv dtb_name at91-${board_name}.dtb; " \
73 				"fi; "					\
74 				"fatload mmc 0:1 0x21000000 ${dtb_name}; " \
75 				"fatload mmc 0:1 0x22000000 zImage; "	\
76 				"bootz 0x22000000 - 0x21000000"
77 #define CONFIG_BOOTARGS							\
78 	"console=ttyS0,115200 earlyprintk "				\
79 	"root=/dev/mmcblk0p2 rw rootwait"
80 #else
81 #define CONFIG_BOOTARGS							\
82 	"console=ttyS0,115200 earlyprintk "				\
83 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
84 	"256K(env),256k(env_redundent),256k(spare),"			\
85 	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
86 	"rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
87 
88 #ifdef CONFIG_SYS_USE_NANDFLASH
89 /* u-boot env in nand flash */
90 #define CONFIG_ENV_IS_IN_NAND
91 #define CONFIG_ENV_OFFSET		0xc0000
92 #define CONFIG_ENV_OFFSET_REDUND	0x100000
93 #define CONFIG_ENV_SIZE			0x20000
94 #define CONFIG_BOOTCOMMAND		"nand read 0x21000000 0x180000 0x80000;"	\
95 					"nand read 0x22000000 0x200000 0x600000;"	\
96 					"bootz 0x22000000 - 0x21000000"
97 #elif CONFIG_SYS_USE_SERIALFLASH
98 /* u-boot env in serial flash, by default is bus 0 and cs 0 */
99 #define CONFIG_ENV_IS_IN_SPI_FLASH
100 #define CONFIG_ENV_OFFSET		0x6000
101 #define CONFIG_ENV_SIZE			0x2000
102 #define CONFIG_ENV_SECT_SIZE		0x1000
103 #define CONFIG_BOOTCOMMAND		"sf probe 0; "				\
104 					"sf read 0x21000000 0x60000 0xc000; "	\
105 					"sf read 0x22000000 0x6c000 0x394000; "	\
106 					"bootz 0x22000000 - 0x21000000"
107 #endif
108 
109 #endif
110 
111 #define CONFIG_BAUDRATE			115200
112 
113 #define CONFIG_SYS_CBSIZE		256
114 #define CONFIG_SYS_MAXARGS		16
115 #define CONFIG_SYS_LONGHELP
116 #define CONFIG_CMDLINE_EDITING
117 #define CONFIG_AUTO_COMPLETE
118 #define CONFIG_SYS_HUSH_PARSER
119 
120 /* Size of malloc() pool */
121 #define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
122 
123 #endif
124