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