1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (C) 2013 Marek Vasut <marex@denx.de> 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun #ifndef __CONFIGS_BG0900_H__ 7*4882a593Smuzhiyun #define __CONFIGS_BG0900_H__ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun /* System configurations */ 10*4882a593Smuzhiyun #define CONFIG_MX28 /* i.MX28 SoC */ 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun /* Memory configuration */ 13*4882a593Smuzhiyun #define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */ 14*4882a593Smuzhiyun #define PHYS_SDRAM_1 0x40000000 /* Base address */ 15*4882a593Smuzhiyun #define PHYS_SDRAM_1_SIZE 0x10000000 /* Max 256 MB RAM */ 16*4882a593Smuzhiyun #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun /* Environment */ 19*4882a593Smuzhiyun #define CONFIG_ENV_SIZE (16 * 1024) 20*4882a593Smuzhiyun #define CONFIG_ENV_OVERWRITE 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /* FEC Ethernet on SoC */ 23*4882a593Smuzhiyun #ifdef CONFIG_CMD_NET 24*4882a593Smuzhiyun #define CONFIG_FEC_MXC 25*4882a593Smuzhiyun #endif 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun /* SPI */ 28*4882a593Smuzhiyun #ifdef CONFIG_CMD_SPI 29*4882a593Smuzhiyun #define CONFIG_DEFAULT_SPI_BUS 2 30*4882a593Smuzhiyun #define CONFIG_DEFAULT_SPI_CS 0 31*4882a593Smuzhiyun #define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun /* SPI FLASH */ 34*4882a593Smuzhiyun #ifdef CONFIG_CMD_SF 35*4882a593Smuzhiyun #define CONFIG_SF_DEFAULT_BUS 2 36*4882a593Smuzhiyun #define CONFIG_SF_DEFAULT_CS 0 37*4882a593Smuzhiyun #define CONFIG_SF_DEFAULT_SPEED 40000000 38*4882a593Smuzhiyun #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun #define CONFIG_ENV_SPI_BUS 2 41*4882a593Smuzhiyun #define CONFIG_ENV_SPI_CS 0 42*4882a593Smuzhiyun #define CONFIG_ENV_SPI_MAX_HZ 40000000 43*4882a593Smuzhiyun #define CONFIG_ENV_SPI_MODE SPI_MODE_0 44*4882a593Smuzhiyun #endif 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun #endif 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun /* Boot Linux */ 49*4882a593Smuzhiyun #define CONFIG_BOOTFILE "uImage" 50*4882a593Smuzhiyun #define CONFIG_BOOTCOMMAND "bootm" 51*4882a593Smuzhiyun #define CONFIG_LOADADDR 0x42000000 52*4882a593Smuzhiyun #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun /* Extra Environment */ 55*4882a593Smuzhiyun #define CONFIG_EXTRA_ENV_SETTINGS \ 56*4882a593Smuzhiyun "update_spi_firmware_filename=u-boot.sb\0" \ 57*4882a593Smuzhiyun "update_spi_firmware_maxsz=0x80000\0" \ 58*4882a593Smuzhiyun "update_spi_firmware=" /* Update the SPI flash firmware */ \ 59*4882a593Smuzhiyun "if sf probe 2:0 ; then " \ 60*4882a593Smuzhiyun "if tftp ${update_spi_firmware_filename} ; then " \ 61*4882a593Smuzhiyun "sf erase 0x0 +${filesize} ; " \ 62*4882a593Smuzhiyun "sf write ${loadaddr} 0x0 ${filesize} ; " \ 63*4882a593Smuzhiyun "fi ; " \ 64*4882a593Smuzhiyun "fi\0" 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun /* The rest of the configuration is shared */ 67*4882a593Smuzhiyun #include <configs/mxs.h> 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun #endif /* __CONFIGS_BG0900_H__ */ 70