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 /* Memory configuration */ 10 #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 11 #define PHYS_SDRAM_1 0x40000000 /* Base address */ 12 #define PHYS_SDRAM_1_SIZE 0x10000000 /* Max 256 MB RAM */ 13 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 14 15 /* Environment */ 16 #define CONFIG_ENV_SIZE (16 * 1024) 17 #define CONFIG_ENV_OVERWRITE 18 19 /* FEC Ethernet on SoC */ 20 #ifdef CONFIG_CMD_NET 21 #define CONFIG_FEC_MXC 22 #endif 23 24 /* SPI */ 25 #ifdef CONFIG_CMD_SPI 26 #define CONFIG_DEFAULT_SPI_BUS 2 27 #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 28 29 /* SPI FLASH */ 30 #ifdef CONFIG_CMD_SF 31 #define CONFIG_SF_DEFAULT_BUS 2 32 #define CONFIG_SF_DEFAULT_CS 0 33 #define CONFIG_SF_DEFAULT_SPEED 40000000 34 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 35 36 #define CONFIG_ENV_SPI_BUS 2 37 #define CONFIG_ENV_SPI_CS 0 38 #define CONFIG_ENV_SPI_MAX_HZ 40000000 39 #define CONFIG_ENV_SPI_MODE SPI_MODE_0 40 #endif 41 42 #endif 43 44 /* Boot Linux */ 45 #define CONFIG_BOOTFILE "uImage" 46 #define CONFIG_BOOTCOMMAND "bootm" 47 #define CONFIG_LOADADDR 0x42000000 48 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 49 50 /* Extra Environment */ 51 #define CONFIG_EXTRA_ENV_SETTINGS \ 52 "update_spi_firmware_filename=u-boot.sb\0" \ 53 "update_spi_firmware_maxsz=0x80000\0" \ 54 "update_spi_firmware=" /* Update the SPI flash firmware */ \ 55 "if sf probe 2:0 ; then " \ 56 "if tftp ${update_spi_firmware_filename} ; then " \ 57 "sf erase 0x0 +${filesize} ; " \ 58 "sf write ${loadaddr} 0x0 ${filesize} ; " \ 59 "fi ; " \ 60 "fi\0" 61 62 /* The rest of the configuration is shared */ 63 #include <configs/mxs.h> 64 65 #endif /* __CONFIGS_BG0900_H__ */ 66