9257c5f029230cee80e184b2a3b9aab0066e3bcd
[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_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