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 /* Memory configuration */ 13 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 14 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 15 #define PHYS_SDRAM_1_SIZE 0x10000000 /* Max 256 MB RAM */ 16 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 17 18 /* Environment */ 19 #define CONFIG_ENV_SIZE (16 * 1024) 20 #define CONFIG_ENV_OVERWRITE 21 22 /* FEC Ethernet on SoC */ 23 #ifdef CONFIG_CMD_NET 24 #define CONFIG_FEC_MXC 25 #endif 26 27 /* SPI */ 28 #ifdef CONFIG_CMD_SPI 29 #define CONFIG_DEFAULT_SPI_BUS 2 30 #define CONFIG_DEFAULT_SPI_CS 0 31 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 32 33 /* SPI FLASH */ 34 #ifdef CONFIG_CMD_SF 35 #define CONFIG_SF_DEFAULT_BUS 2 36 #define CONFIG_SF_DEFAULT_CS 0 37 #define CONFIG_SF_DEFAULT_SPEED 40000000 38 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 39 40 #define CONFIG_ENV_SPI_BUS 2 41 #define CONFIG_ENV_SPI_CS 0 42 #define CONFIG_ENV_SPI_MAX_HZ 40000000 43 #define CONFIG_ENV_SPI_MODE SPI_MODE_0 44 #endif 45 46 #endif 47 48 /* Boot Linux */ 49 #define CONFIG_BOOTFILE "uImage" 50 #define CONFIG_BOOTARGS "console=ttyAMA0,115200" 51 #define CONFIG_BOOTCOMMAND "bootm" 52 #define CONFIG_LOADADDR 0x42000000 53 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 54 55 /* Extra Environment */ 56 #define CONFIG_EXTRA_ENV_SETTINGS \ 57 "update_spi_firmware_filename=u-boot.sb\0" \ 58 "update_spi_firmware_maxsz=0x80000\0" \ 59 "update_spi_firmware=" /* Update the SPI flash firmware */ \ 60 "if sf probe 2:0 ; then " \ 61 "if tftp ${update_spi_firmware_filename} ; then " \ 62 "sf erase 0x0 +${filesize} ; " \ 63 "sf write ${loadaddr} 0x0 ${filesize} ; " \ 64 "fi ; " \ 65 "fi\0" 66 67 /* The rest of the configuration is shared */ 68 #include <configs/mxs.h> 69 70 #endif /* __CONFIGS_BG0900_H__ */ 71