1 /* 2 * Copyright (C) 2013 Marek Vasut <marex@denx.de> 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 #ifndef __CONFIGS_BG0900_H__ 7 #define __CONFIGS_BG0900_H__ 8 9 /* System configurations */ 10 #define CONFIG_MX28 /* i.MX28 SoC */ 11 12 /* U-Boot Commands */ 13 #define CONFIG_SYS_NO_FLASH 14 #define CONFIG_DISPLAY_CPUINFO 15 #define CONFIG_DOS_PARTITION 16 17 #define CONFIG_CMD_NAND 18 #define CONFIG_CMD_NAND_TRIMFFS 19 20 /* Memory configuration */ 21 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 22 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 23 #define PHYS_SDRAM_1_SIZE 0x10000000 /* Max 256 MB RAM */ 24 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 25 26 /* Environment */ 27 #define CONFIG_ENV_SIZE (16 * 1024) 28 #define CONFIG_ENV_OVERWRITE 29 #define CONFIG_ENV_IS_NOWHERE 30 31 /* FEC Ethernet on SoC */ 32 #ifdef CONFIG_CMD_NET 33 #define CONFIG_FEC_MXC 34 #endif 35 36 /* SPI */ 37 #ifdef CONFIG_CMD_SPI 38 #define CONFIG_DEFAULT_SPI_BUS 2 39 #define CONFIG_DEFAULT_SPI_CS 0 40 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 41 42 /* SPI FLASH */ 43 #ifdef CONFIG_CMD_SF 44 #define CONFIG_SF_DEFAULT_BUS 2 45 #define CONFIG_SF_DEFAULT_CS 0 46 #define CONFIG_SF_DEFAULT_SPEED 40000000 47 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 48 49 #define CONFIG_ENV_SPI_BUS 2 50 #define CONFIG_ENV_SPI_CS 0 51 #define CONFIG_ENV_SPI_MAX_HZ 40000000 52 #define CONFIG_ENV_SPI_MODE SPI_MODE_0 53 #endif 54 55 #endif 56 57 /* Boot Linux */ 58 #define CONFIG_BOOTDELAY 3 59 #define CONFIG_BOOTFILE "uImage" 60 #define CONFIG_BOOTARGS "console=ttyAMA0,115200" 61 #define CONFIG_BOOTCOMMAND "bootm" 62 #define CONFIG_LOADADDR 0x42000000 63 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 64 65 /* Extra Environment */ 66 #define CONFIG_EXTRA_ENV_SETTINGS \ 67 "update_spi_firmware_filename=u-boot.sb\0" \ 68 "update_spi_firmware_maxsz=0x80000\0" \ 69 "update_spi_firmware=" /* Update the SPI flash firmware */ \ 70 "if sf probe 2:0 ; then " \ 71 "if tftp ${update_spi_firmware_filename} ; then " \ 72 "sf erase 0x0 +${filesize} ; " \ 73 "sf write ${loadaddr} 0x0 ${filesize} ; " \ 74 "fi ; " \ 75 "fi\0" 76 77 /* The rest of the configuration is shared */ 78 #include <configs/mxs.h> 79 80 #endif /* __CONFIGS_BG0900_H__ */ 81