dbd4d843ebdeee9c6d85539a0f83c763796ff066
[platform/kernel/u-boot.git] / 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_ENV_VARS_UBOOT_CONFIG
28
29 /* general purpose I/O */
30 #ifndef CONFIG_DM_GPIO
31 #define CONFIG_AT91_GPIO
32 #endif
33
34
35 /*
36  * BOOTP options
37  */
38 #define CONFIG_BOOTP_BOOTFILESIZE
39 #define CONFIG_BOOTP_BOOTPATH
40 #define CONFIG_BOOTP_GATEWAY
41 #define CONFIG_BOOTP_HOSTNAME
42
43 /*
44  * Command line configuration.
45  */
46
47 #ifdef CONFIG_SYS_USE_MMC
48
49 #ifdef CONFIG_ENV_IS_IN_MMC
50 /* Use raw reserved sectors to save environment */
51 #define CONFIG_ENV_OFFSET               0x2000
52 #define CONFIG_ENV_SIZE                 0x1000
53 #define CONFIG_SYS_MMC_ENV_DEV          0
54 #else
55 /* u-boot env in sd/mmc card */
56 #define CONFIG_ENV_IS_IN_FAT
57 #define CONFIG_FAT_WRITE
58 #define FAT_ENV_INTERFACE       "mmc"
59 #define FAT_ENV_DEVICE_AND_PART "0"
60 #define FAT_ENV_FILE            "uboot.env"
61 #define CONFIG_ENV_SIZE         0x4000
62 #endif
63
64 #define CONFIG_BOOTCOMMAND      "if test ! -n ${dtb_name}; then "       \
65                                     "setenv dtb_name at91-${board_name}.dtb; " \
66                                 "fi; "                                  \
67                                 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
68                                 "fatload mmc 0:1 0x22000000 zImage; "   \
69                                 "bootz 0x22000000 - 0x21000000"
70 #define CONFIG_BOOTARGS                                                 \
71         "console=ttyS0,115200 earlyprintk "                             \
72         "root=/dev/mmcblk0p2 rw rootwait"
73 #else
74 #define CONFIG_BOOTARGS                                                 \
75         "console=ttyS0,115200 earlyprintk "                             \
76         "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"          \
77         "256K(env),256k(env_redundant),256k(spare),"                    \
78         "512k(dtb),6M(kernel)ro,-(rootfs) "                             \
79         "rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
80
81 #ifdef CONFIG_SYS_USE_NANDFLASH
82 /* u-boot env in nand flash */
83 #define CONFIG_ENV_IS_IN_NAND
84 #define CONFIG_ENV_OFFSET               0xc0000
85 #define CONFIG_ENV_OFFSET_REDUND        0x100000
86 #define CONFIG_ENV_SIZE                 0x20000
87 #define CONFIG_BOOTCOMMAND              "nand read 0x21000000 0x180000 0x80000;"        \
88                                         "nand read 0x22000000 0x200000 0x600000;"       \
89                                         "bootz 0x22000000 - 0x21000000"
90 #elif CONFIG_SYS_USE_SERIALFLASH
91 /* u-boot env in serial flash, by default is bus 0 and cs 0 */
92 #define CONFIG_ENV_IS_IN_SPI_FLASH
93 #define CONFIG_ENV_OFFSET               0x6000
94 #define CONFIG_ENV_SIZE                 0x2000
95 #define CONFIG_ENV_SECT_SIZE            0x1000
96 #define CONFIG_BOOTCOMMAND              "sf probe 0; "                          \
97                                         "sf read 0x21000000 0x60000 0xc000; "   \
98                                         "sf read 0x22000000 0x6c000 0x394000; " \
99                                         "bootz 0x22000000 - 0x21000000"
100 #endif
101
102 #endif
103
104 #define CONFIG_SYS_CBSIZE               256
105 #define CONFIG_SYS_MAXARGS              16
106 #define CONFIG_SYS_LONGHELP
107 #define CONFIG_CMDLINE_EDITING
108 #define CONFIG_AUTO_COMPLETE
109
110 /* Size of malloc() pool */
111 #define CONFIG_SYS_MALLOC_LEN           (4 * 1024 * 1024)
112
113 #endif