2、如果bootloader 大于4KB,则利用前4KB的代码将NANFLASH上大于4KB部分的bootloader复制到RAM中去继续运行。(第二部分SPL) IPL:关闭看门狗、中断à设置CPU频率à初始化化SDRAMà将NADFLASH上的代码拷贝到SDRAM上—>跳到代码入口执行代码。 1、 WDT #define main_addr 0x0 Start.S Void start_main() //低级别的m...
我将AM335x-bone-.dts 中的模型更改为TI AM335x DogStar BeagleBone (请参阅下面的 uboot 横幅)、默认为TI AM335x BeagleBone 我的最终目标是首先修改 SPL,然后最终 为基于 Beagle Bone 设计的定制板更新和更改 DTS 文件 目前、我使用 Beagle Bone White 作为开发板 非常简单的更改...
SPL_FSL_PBL,SD_BOOT" CONFIG_SD_BOOT=y CONFIG_BOOTDELAY=3 CONFIG_SILENT_CONSOLE=y # CONFIG_CONSOLE_MUX is not set CONFIG_SYS_CONSOLE_IS_IN_ENV=y CONFIG_SPL=y CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0xe8 CONFIG_...
#undef CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC #undef CONFIG_CMD_EXT4 #undef CONFIG_CMD_EXT4_WRITE #undef CONFIG_CMD_SPI #define CONFIG_CMD_CACHE 8 changes: 0 additions & 8 deletions 8 include/configs/brppt1.h Original file line numberDiff line numberDiff line change @@ -243,13 +243,...
abort=1;/* don't auto boot */ } } #endif while((bootdelay>0)&&(!abort)) { --bootdelay; 2 changes: 1 addition & 1 deletion2configs/brppt1_mmc_defconfig 2 changes: 1 addition & 1 deletion2configs/brppt1_nand_defconfig
imply SPL_POWER_SUPPORT imply SPL_POWER imply SPL_SERIAL_SUPPORT imply USB_GADGET Expand Down 6 changes: 3 additions & 3 deletions 6 arch/arm/mach-omap2/Kconfig Show comments View file Edit file Delete file This file contains bidirectional Unicode text that may be interpreted or compiled ...
CONFIG_SPL_SERIAL_SUPPORT=y CONFIG_SPL_WATCHDOG_SUPPORT=y CONFIG_OF_BOARD_SETUP=y CONFIG_SYS_EXTRA_OPTIONS="SERIAL1,CONS_INDEX=1,EMMC_BOOT" CONFIG_BOOTDELAY=-2 1 change: 1 addition & 0 deletions 1 configs/brppt1_nand_defconfig Original file line numberDiff line numberDiff line change ...
CONFIG_ARM=y CONFIG_ARCH_SUNXI=y CONFIG_SPL=y CONFIG_MACH_SUN6I=y CONFIG_DRAM_CLK=384 CONFIG_DRAM_ZQ=251 CONFIG_MMC0_CD_PIN="PA8" CONFIG_USB0_VBUS_PIN="AXP0-VBUS-ENABLE" CONFIG_USB0_VBUS_DET="AXP0-VBUS-DETECT" CONFIG_USB0_ID_DET="PA15" CONFIG_AXP_GPIO=y CO...
CONFIG_SPL=y CONFIG_TPL=y CONFIG_TPL_ENV_SUPPORT=y CONFIG_TPL_I2C_SUPPORT=y CONFIG_TPL_MPC8XXX_INIT_DDR_SUPPORT=y CONFIG_TPL_NAND_SUPPORT=y CONFIG_TPL_SERIAL_SUPPORT=y CONFIG_HUSH_PARSER=y CONFIG_CMD_I2C=y CONFIG_CMD_MMC=y CONFIG_CMD_SF=y CONFIG_CMD_USB=y CO...
CONFIG_ARM=y CONFIG_ARCH_SUNXI=y CONFIG_SPL=y CONFIG_MACH_SUN6I=y CONFIG_DRAM_CLK=432 CONFIG_USB1_VBUS_PIN="" CONFIG_USB2_VBUS_PIN="" CONFIG_NR_DRAM_BANKS=1 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set # CONFIG_CMD_FLASH is not set # CONFIG_SPL_DOS_PARTITION ...