Booting dircetly into Redlink FW from flash Hello, the usual way to use the Redlink FW is a two-step approach: First the MCU of the probe enumerates as a DFU device. Then the Redlink Server downloads the current Redlink FW into SRAM and the probe re-…

转载自:http://blackfin.uclinux.org/doku.php?id=bootloaders:u-boot:serial-flash U-Boot supports serial NOR flashes which hook up to the Blackfin processor via a 4 wire SPI-compatible interface. Commands are provided for reading/erasing/writing of the dev…

SquashFS 通常的livecd都有一个这个文件,是核心的文件系统 SquashFS 也是一个只读的文件系统,它可以将整个文件系统压缩在一起,存放在某个设备,某个分区或者普通的文件中.如果您将其压缩到一个设备中,那么您可以将其直接 mount 起来使用,而如果它仅仅是个文件的话,您可以将其当为一个 loopback 设备使用. 下面是linux启动的简单流程: 嵌入式 Linux 启动过程 本文所描述的的 Linux Image 由 BootLoader.kernel.initrd.root…

ISR4K升级的时候要注意了! 很可能会碰到如下的问题: ISR4K goes into booting loop with "flash:" in boot statement CSCvg37458   Description Symptom:ISR4K configured with a boot statement pointing to the "flash:" directory will get stuck in a boot loop. Boot st…

转自:https://e2echina.ti.com/question_answer/dsp_arm/sitara_arm/f/25/t/124834 最近和人一起调试SPI FLASH的配置问题,做个小结记录,也方便后续人员开发的时候来使用.考虑到物料的多元性,目前的需求是使用不同品牌的SPI flash,是否都可以通过相同的image来启动.答案是可以的,但是需要在原始的SDK中加以改动. 在AM335x的Linux UBOOT的配置流程中,主要涉及到了两点:一是关于SPI的pinmux定义…

1, 要求:在4K 的代码以内,完成 NOR NAND 类型判断,初始化 NAND 复制自身到 SDRAM ,重定向. 2, 在 /arch/arm/cpu/arm920t/ 文件夹里 添加一个 inic.c 的文件,要在这个文件里面做上面说的事情. 修改 /arch/arm/cpu/arm920t/Makefile 加入 inic.c 的 编译. extra-y = start.o obj-y += init.o obj-y += cpu.o init.c 最后有补丁文件 3, 在 start…

What is the difference between a Bootrom vs bootloader on ARM systems Bootrom Bootrom (or Boot ROM) is a small piece of mask ROM or write-protected flash embedded inside the processor chip. It contains the very first code which is executed by the pro…

Android eMMC Booting Contents [hide] 1 eMMC binaries 1.1 Creating the GPT table 1.2 Modifying .IMG Files 1.3 TI Android build setup [edit]eMMC binaries This is the efi partition table as exists on the emmc Sector# Size Name 256 128K xloader 512 256K…

Android gingerbread eMMC booting This page is currently under construction. The content of this page is due to change quite frequently and thus the quality and accuracy are not guaranteed until this message has been removed. Please feel free to contr…

来源:linux-2.6.30.4/Documentation/arm/Booting ARM Linux Booting ARM Linux            ================= Author:    Russell KingDate  : 18 May 2002 The following documentation is relevant to 2.4.18-rmk6 and beyond. In order to boot ARM Linux, you require…