1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * Copyright (C) 2013 Marek Vasut <marex@denx.de> 4 */ 5 #ifndef __CONFIGS_BG0900_H__ 6 #define __CONFIGS_BG0900_H__ 7 8 /* Memory configuration */ 9 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 10 #define PHYS_SDRAM_1_SIZE 0x10000000 /* Max 256 MB RAM */ 11 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 12 13 /* Environment */ 14 #define CONFIG_ENV_SIZE (16 * 1024) 15 #define CONFIG_ENV_OVERWRITE 16 17 /* FEC Ethernet on SoC */ 18 #ifdef CONFIG_CMD_NET 19 #define CONFIG_FEC_MXC 20 #endif 21 22 /* SPI */ 23 #ifdef CONFIG_CMD_SPI 24 #define CONFIG_DEFAULT_SPI_BUS 2 25 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 26 27 /* SPI FLASH */ 28 #ifdef CONFIG_CMD_SF 29 #define CONFIG_ENV_SPI_BUS 2 30 #define CONFIG_ENV_SPI_CS 0 31 #define CONFIG_ENV_SPI_MAX_HZ 40000000 32 #define CONFIG_ENV_SPI_MODE SPI_MODE_0 33 #endif 34 35 #endif 36 37 /* Boot Linux */ 38 #define CONFIG_BOOTFILE "uImage" 39 #define CONFIG_BOOTCOMMAND "bootm" 40 #define CONFIG_LOADADDR 0x42000000 41 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 42 43 /* Extra Environment */ 44 #define CONFIG_EXTRA_ENV_SETTINGS \ 45 "update_spi_firmware_filename=u-boot.sb\0" \ 46 "update_spi_firmware_maxsz=0x80000\0" \ 47 "update_spi_firmware=" /* Update the SPI flash firmware */ \ 48 "if sf probe 2:0 ; then " \ 49 "if tftp ${update_spi_firmware_filename} ; then " \ 50 "sf erase 0x0 +${filesize} ; " \ 51 "sf write ${loadaddr} 0x0 ${filesize} ; " \ 52 "fi ; " \ 53 "fi\0" 54 55 /* The rest of the configuration is shared */ 56 #include <configs/mxs.h> 57 58 #endif /* __CONFIGS_BG0900_H__ */ 59