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 15 #define CONFIG_CMD_NAND 16 #define CONFIG_CMD_NAND_TRIMFFS 17 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 23 24 /* Environment */ 25 #define CONFIG_ENV_SIZE (16 * 1024) 26 #define CONFIG_ENV_OVERWRITE 27 #define CONFIG_ENV_IS_NOWHERE 28 29 /* FEC Ethernet on SoC */ 30 #ifdef CONFIG_CMD_NET 31 #define CONFIG_FEC_MXC 32 #endif 33 34 /* SPI */ 35 #ifdef CONFIG_CMD_SPI 36 #define CONFIG_DEFAULT_SPI_BUS 2 37 #define CONFIG_DEFAULT_SPI_CS 0 38 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 39 40 /* SPI FLASH */ 41 #ifdef CONFIG_CMD_SF 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 46 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 51 #endif 52 53 #endif 54 55 /* Boot Linux */ 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 61 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} ; " \ 71 "fi ; " \ 72 "fi\0" 73 74 /* The rest of the configuration is shared */ 75 #include <configs/mxs.h> 76 77 #endif /* __CONFIGS_BG0900_H__ */ 78