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