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