dm9000AE/dm9008AE应用实例 1.dm9008AE/dmA9000AE的特性介绍: dm9008AE(10M)与dm9000AE(10/100M)是PIN对PIN,脚对脚,完全兼容的 W/Auto-MDIX; LOCAL-Bus/up interface(Byte/word); High performance 100MHZ(25MHZ) clock rate; Support TCP/IP checksum offload; Support Early transmit; LQFP 48 pin/3.3v-5v tolerant; One time I/O read time 20ns(burst mode); Real-time I/O Chang Multicast filter; 16K Byte SRAM; 2...
这是uboot的start.s的一段启动代码 /* * These are defined in the board-specific linker script. */ .globl _bss_start _bss_start: .word __bss_start .globl _bss_end _bss_end: .word _end 我对这里的 .globl .word 不了解 希望知道的冒个泡谢谢! 还有就是能不能提供一些相关的汇编资料,我找了好长时间都没有找到。
dm的全名是Hard Disk Management Program,能对硬盘进行低级格式化、校验等管理工作,可以提高硬盘的使用效率。 当前,用户常用的是dm 4.5和dm 5.01版,后者在进行自动启动dm时,增加了一些 40MB以上的新型硬盘选择参数。dm的每一步操作都有英文提示,使用较简单。 一、dm 主要功能 1、硬盘的低级格式化(Initialize) dm提供了3种低级格式化方式:格式一磁道、一个分区和整个磁盘。 2、对硬盘分区(Partitioning) dm支持的对每...
PIM-dm DR election =========== PIM hello packet will select one router as Designated Router in the multiaccess network. In PIMv2, there's an option DR-Priority to be used in DR-election process. The rule is as follows: Highest Priority -> Highest ip address When DR-Priority is set 0 or the router does not support DR, election is based on ip address. P2P link does not need DR. Neighbo...
uboot> protect off all Un-Protect Flash Bank # 1 uboot> erase 10000000 1001ffff Erasing sector 0 ... done Erased 1 sectors uboot> loadb 20000000 ## Ready for binary (kermit) download to 0x20000000 at 115200 bps... ## Total Size = 0x00002908 = 10504 Bytes ## Start Addr = 0x20000000 uboot> cp.b 20000000 10000000 5fff Copy to Flash... not erased at 10000016 (800) Flash not Erased Ub...
通过串口使用loader.bin将u-boot.bin下载到at91rm9200板子上,u-boot-1.1.1与u-boot-1.1.4在超级终端上打印出的信息为何差别那么大啊? CCCCCCCCCCCCCCCC U-Boot 1.1.1 (Nov 16 2004 - 18:01:43) U-Boot code: 21F00000 -> 21F16F2C BSS: -> 21F1B368 RAM Configuration: Bank #0: 20000000 32 MB Flash: 16 MB DataFlash:AT45DB642 Nb pages: 8192 Page Size: 1056 Size= 8650752 bytes Logical address: 0xC0000000 Area ...
我下载了一个u-boot.里面有一个smc91111的驱动,但是现在要把这个驱动移植到ARM上的linux里. 不知道该怎么做?我以前没写过驱动,不知道从什么地方入手.请各位高人指点,多谢! :cry: