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