2 * Common part of configuration settings for the AT91 SAMA5 board.
4 * Copyright (C) 2015 Atmel Corporation
5 * Josh Wu <josh.wu@atmel.com>
7 * SPDX-License-Identifier: GPL-2.0+
10 #ifndef __AT91_SAMA5_COMMON_H
11 #define __AT91_SAMA5_COMMON_H
13 #include <asm/hardware.h>
15 #define CONFIG_SYS_CACHELINE_SIZE 32
17 #define CONFIG_SYS_TEXT_BASE 0x26f00000
19 /* ARM asynchronous clock */
20 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768
21 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */
23 #define CONFIG_ARCH_CPU_INIT
25 #ifndef CONFIG_SPL_BUILD
26 #define CONFIG_SKIP_LOWLEVEL_INIT
29 #define CONFIG_BOARD_EARLY_INIT_F
30 #define CONFIG_DISPLAY_CPUINFO
32 #define CONFIG_ENV_VARS_UBOOT_CONFIG
33 #define CONFIG_CMD_BOOTZ
34 #define CONFIG_OF_LIBFDT /* Device Tree support */
37 /* general purpose I/O */
38 #define CONFIG_AT91_GPIO
40 #define CONFIG_BOOTDELAY 3
45 #define CONFIG_BOOTP_BOOTFILESIZE
46 #define CONFIG_BOOTP_BOOTPATH
47 #define CONFIG_BOOTP_GATEWAY
48 #define CONFIG_BOOTP_HOSTNAME
51 * Command line configuration.
53 #define CONFIG_CMD_PING
54 #define CONFIG_CMD_DHCP
56 #ifdef CONFIG_SYS_USE_MMC
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
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
73 #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \
74 "setenv dtb_name at91-${board_name}.dtb; " \
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"
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"
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"
113 #define CONFIG_BAUDRATE 115200
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
122 /* Size of malloc() pool */
123 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)