1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Common part of configuration settings for the AT91 SAMA5 board.
5 * Copyright (C) 2015 Atmel Corporation
6 * Josh Wu <josh.wu@atmel.com>
9 #ifndef __AT91_SAMA5_COMMON_H
10 #define __AT91_SAMA5_COMMON_H
12 /* ARM asynchronous clock */
13 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768
14 #define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */
16 #ifndef CONFIG_SPL_BUILD
17 #define CONFIG_SKIP_LOWLEVEL_INIT
20 /* general purpose I/O */
21 #ifndef CONFIG_DM_GPIO
22 #define CONFIG_AT91_GPIO
29 #define CONFIG_BOOTP_BOOTFILESIZE
32 * Command line configuration.
37 #ifdef CONFIG_ENV_IS_IN_MMC
38 #define CONFIG_SYS_MMC_ENV_DEV 0
41 #define CONFIG_BOOTCOMMAND "if test ! -n ${dtb_name}; then " \
42 "setenv dtb_name at91-${board_name}.dtb; " \
44 "fatload mmc 0:1 0x21000000 ${dtb_name}; " \
45 "fatload mmc 0:1 0x22000000 zImage; " \
46 "bootz 0x22000000 - 0x21000000"
50 #ifdef CONFIG_NAND_BOOT
51 /* u-boot env in nand flash */
52 #define CONFIG_ENV_OFFSET_REDUND 0x100000
53 #define CONFIG_BOOTCOMMAND "nand read 0x21000000 0x180000 0x80000;" \
54 "nand read 0x22000000 0x200000 0x600000;" \
55 "bootz 0x22000000 - 0x21000000"
57 /* u-boot env in serial flash, by default is bus 0 and cs 0 */
58 #define CONFIG_BOOTCOMMAND "sf probe 0; " \
59 "sf read 0x21000000 0x60000 0xc000; " \
60 "sf read 0x22000000 0x6c000 0x394000; " \
61 "bootz 0x22000000 - 0x21000000"
62 #elif CONFIG_QSPI_BOOT
63 #define CONFIG_BOOTCOMMAND "sf probe 0; " \
64 "sf read 0x21000000 0x180000 0x80000; " \
65 "sf read 0x22000000 0x200000 0x600000; " \
66 "bootz 0x22000000 - 0x21000000"
71 /* Size of malloc() pool */
72 #define CONFIG_SYS_MALLOC_LEN (4 * 1024 * 1024)