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_BOOTZ 18 #define CONFIG_CMD_CACHE 19 #define CONFIG_CMD_MII 20 #define CONFIG_CMD_NAND 21 #define CONFIG_CMD_NAND_TRIMFFS 22 23 /* Memory configuration */ 24 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 25 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 26 #define PHYS_SDRAM_1_SIZE 0x10000000 /* Max 256 MB RAM */ 27 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 28 29 /* Environment */ 30 #define CONFIG_ENV_SIZE (16 * 1024) 31 #define CONFIG_ENV_OVERWRITE 32 #define CONFIG_ENV_IS_NOWHERE 33 34 /* FEC Ethernet on SoC */ 35 #ifdef CONFIG_CMD_NET 36 #define CONFIG_FEC_MXC 37 #endif 38 39 /* SPI */ 40 #ifdef CONFIG_CMD_SPI 41 #define CONFIG_DEFAULT_SPI_BUS 2 42 #define CONFIG_DEFAULT_SPI_CS 0 43 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 44 45 /* SPI FLASH */ 46 #ifdef CONFIG_CMD_SF 47 #define CONFIG_SF_DEFAULT_BUS 2 48 #define CONFIG_SF_DEFAULT_CS 0 49 #define CONFIG_SF_DEFAULT_SPEED 40000000 50 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 51 52 #define CONFIG_ENV_SPI_BUS 2 53 #define CONFIG_ENV_SPI_CS 0 54 #define CONFIG_ENV_SPI_MAX_HZ 40000000 55 #define CONFIG_ENV_SPI_MODE SPI_MODE_0 56 #endif 57 58 #endif 59 60 /* Boot Linux */ 61 #define CONFIG_BOOTDELAY 3 62 #define CONFIG_BOOTFILE "uImage" 63 #define CONFIG_BOOTARGS "console=ttyAMA0,115200" 64 #define CONFIG_BOOTCOMMAND "bootm" 65 #define CONFIG_LOADADDR 0x42000000 66 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 67 68 /* Extra Environment */ 69 #define CONFIG_EXTRA_ENV_SETTINGS \ 70 "update_spi_firmware_filename=u-boot.sb\0" \ 71 "update_spi_firmware_maxsz=0x80000\0" \ 72 "update_spi_firmware=" /* Update the SPI flash firmware */ \ 73 "if sf probe 2:0 ; then " \ 74 "if tftp ${update_spi_firmware_filename} ; then " \ 75 "sf erase 0x0 +${filesize} ; " \ 76 "sf write ${loadaddr} 0x0 ${filesize} ; " \ 77 "fi ; " \ 78 "fi\0" 79 80 /* The rest of the configuration is shared */ 81 #include <configs/mxs.h> 82 83 #endif /* __CONFIGS_BG0900_H__ */ 84