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[u-boot] / include / configs / at91-sama5_common.h
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 #define CONFIG_CMD_BOOTZ
34 #define CONFIG_OF_LIBFDT                /* Device Tree support */
35
36
37 /* general purpose I/O */
38 #define CONFIG_AT91_GPIO
39
40 #define CONFIG_BOOTDELAY                3
41
42 /*
43  * BOOTP options
44  */
45 #define CONFIG_BOOTP_BOOTFILESIZE
46 #define CONFIG_BOOTP_BOOTPATH
47 #define CONFIG_BOOTP_GATEWAY
48 #define CONFIG_BOOTP_HOSTNAME
49
50 /*
51  * Command line configuration.
52  */
53 #define CONFIG_CMD_PING
54 #define CONFIG_CMD_DHCP
55
56 #ifdef CONFIG_SYS_USE_MMC
57
58 #ifdef CONFIG_ENV_IS_IN_MMC
59 /* Use raw reserved sectors to save environment */
60 #define CONFIG_ENV_OFFSET               0x2000
61 #define CONFIG_ENV_SIZE                 0x1000
62 #define CONFIG_SYS_MMC_ENV_DEV          0
63 #else
64 /* u-boot env in sd/mmc card */
65 #define CONFIG_ENV_IS_IN_FAT
66 #define CONFIG_FAT_WRITE
67 #define FAT_ENV_INTERFACE       "mmc"
68 #define FAT_ENV_DEVICE_AND_PART "0"
69 #define FAT_ENV_FILE            "uboot.env"
70 #define CONFIG_ENV_SIZE         0x4000
71 #endif
72
73 #define CONFIG_BOOTCOMMAND      "if test ! -n ${dtb_name}; then "       \
74                                     "setenv dtb_name at91-${board_name}.dtb; " \
75                                 "fi; "                                  \
76                                 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
77                                 "fatload mmc 0:1 0x22000000 zImage; "   \
78                                 "bootz 0x22000000 - 0x21000000"
79 #define CONFIG_BOOTARGS                                                 \
80         "console=ttyS0,115200 earlyprintk "                             \
81         "root=/dev/mmcblk0p2 rw rootwait"
82 #else
83 #define CONFIG_BOOTARGS                                                 \
84         "console=ttyS0,115200 earlyprintk "                             \
85         "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"          \
86         "256K(env),256k(env_redundent),256k(spare),"                    \
87         "512k(dtb),6M(kernel)ro,-(rootfs) "                             \
88         "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
89
90 #ifdef CONFIG_SYS_USE_NANDFLASH
91 /* u-boot env in nand flash */
92 #define CONFIG_ENV_IS_IN_NAND
93 #define CONFIG_ENV_OFFSET               0xc0000
94 #define CONFIG_ENV_OFFSET_REDUND        0x100000
95 #define CONFIG_ENV_SIZE                 0x20000
96 #define CONFIG_BOOTCOMMAND              "nand read 0x21000000 0x180000 0x80000;"        \
97                                         "nand read 0x22000000 0x200000 0x600000;"       \
98                                         "bootz 0x22000000 - 0x21000000"
99 #elif CONFIG_SYS_USE_SERIALFLASH
100 /* u-boot env in serial flash, by default is bus 0 and cs 0 */
101 #define CONFIG_ENV_IS_IN_SPI_FLASH
102 #define CONFIG_ENV_OFFSET               0x6000
103 #define CONFIG_ENV_SIZE                 0x2000
104 #define CONFIG_ENV_SECT_SIZE            0x1000
105 #define CONFIG_BOOTCOMMAND              "sf probe 0; "                          \
106                                         "sf read 0x21000000 0x60000 0xc000; "   \
107                                         "sf read 0x22000000 0x6c000 0x394000; " \
108                                         "bootz 0x22000000 - 0x21000000"
109 #endif
110
111 #endif
112
113 #define CONFIG_BAUDRATE                 115200
114
115 #define CONFIG_SYS_CBSIZE               256
116 #define CONFIG_SYS_MAXARGS              16
117 #define CONFIG_SYS_LONGHELP
118 #define CONFIG_CMDLINE_EDITING
119 #define CONFIG_AUTO_COMPLETE
120 #define CONFIG_SYS_HUSH_PARSER
121
122 /* Size of malloc() pool */
123 #define CONFIG_SYS_MALLOC_LEN           (4 * 1024 * 1024)
124
125 #endif