2 * Copyright (C) 2013 Marek Vasut <marex@denx.de>
4 * SPDX-License-Identifier: GPL-2.0+
6 #ifndef __CONFIGS_BG0900_H__
7 #define __CONFIGS_BG0900_H__
9 /* System configurations */
10 #define CONFIG_MX28 /* i.MX28 SoC */
13 #define CONFIG_SYS_NO_FLASH
15 #define CONFIG_CMD_NAND
16 #define CONFIG_CMD_NAND_TRIMFFS
18 /* Memory configuration */
19 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
20 #define PHYS_SDRAM_1 0x40000000 /* Base address */
21 #define PHYS_SDRAM_1_SIZE 0x10000000 /* Max 256 MB RAM */
22 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
25 #define CONFIG_ENV_SIZE (16 * 1024)
26 #define CONFIG_ENV_OVERWRITE
27 #define CONFIG_ENV_IS_NOWHERE
29 /* FEC Ethernet on SoC */
31 #define CONFIG_FEC_MXC
36 #define CONFIG_DEFAULT_SPI_BUS 2
37 #define CONFIG_DEFAULT_SPI_CS 0
38 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0
42 #define CONFIG_SF_DEFAULT_BUS 2
43 #define CONFIG_SF_DEFAULT_CS 0
44 #define CONFIG_SF_DEFAULT_SPEED 40000000
45 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
47 #define CONFIG_ENV_SPI_BUS 2
48 #define CONFIG_ENV_SPI_CS 0
49 #define CONFIG_ENV_SPI_MAX_HZ 40000000
50 #define CONFIG_ENV_SPI_MODE SPI_MODE_0
56 #define CONFIG_BOOTFILE "uImage"
57 #define CONFIG_BOOTARGS "console=ttyAMA0,115200"
58 #define CONFIG_BOOTCOMMAND "bootm"
59 #define CONFIG_LOADADDR 0x42000000
60 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
62 /* Extra Environment */
63 #define CONFIG_EXTRA_ENV_SETTINGS \
64 "update_spi_firmware_filename=u-boot.sb\0" \
65 "update_spi_firmware_maxsz=0x80000\0" \
66 "update_spi_firmware=" /* Update the SPI flash firmware */ \
67 "if sf probe 2:0 ; then " \
68 "if tftp ${update_spi_firmware_filename} ; then " \
69 "sf erase 0x0 +${filesize} ; " \
70 "sf write ${loadaddr} 0x0 ${filesize} ; " \
74 /* The rest of the configuration is shared */
75 #include <configs/mxs.h>
77 #endif /* __CONFIGS_BG0900_H__ */