试块抗压试验加荷速率:SD和USB移植
来源:百度文库 编辑:偶看新闻 时间:2024/10/03 04:46:20
USB和SD/MMC移植笔记发布时间:2009-07-29 00:10:02
USB和SD/MMC移植笔记
一、USB移植
在移植好内核和跟文件系统的基础上,进行USB的移植。
S3C2440集成了USB控制器支持USB1.1版本,支持USB主机和USB设备主机符合OHCI1.0版本,Linux2.6.29.1的内核支持USB控制器,只需在内核中配置即可。
在内核目录下,输入make menuconfig,进入配置菜单,如下:
Device Drivers-à
SCSI device support-à
<*>SCSI device support
[*]legacy /proc/scsi/ support
<*>SCSI disk support
<*>SCSI CDROM support
[*]HID Devices-à
<*> USB Human Interface Device(full HID)support
[*] /dev/hiddev raw HID device support
[*]USB support-à
<*> support for Host-side USB
[*] USB device filesystem
[*] USB device class-devices(DEPRECATED)
<*>OHCI HCD support
<*>USB Mass storage support
先用make clean命令清除编译内核的垃圾文件,然后用命令make zImage编译内核。
在移植的根文件系统系统目录dev下建立如下的设备文件:
mknod sda1 b 8 1
把编译好的内核和根文件系统映像文件下载到开发板,启动开发板后插入U盘,终端出现如下信息:
[@MrFeng=W]#ls
bin etc linuxrc proc sys var
boot home lost+found root tmp www
dev lib mnt sbin usr
[@MrFeng=W]#usb 1-1: new full speed USB device using s3c2410-ohci and address 2
usb 1-1: New USB device found, idVendor="0204", idProduct="6025"
usb 1-1: New USB device strings: Mfr="0", Product="0", SerialNumber="0"
usb 1-1: configuration #1 chosen from 1 choice
scsi0 : SCSI emulation for USB Mass Storage devices
scsi 0:0:0:0: Direct-Access USB A Flash Disk 2.00 PQ: 0 ANSI: 2
sd 0:0:0:0: [sda] 506420 512-byte hardware sectors: (259 MB/247 MiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Assuming drive cache: write through
sd 0:0:0:0: [sda] 506420 512-byte hardware sectors: (259 MB/247 MiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Assuming drive cache: write through
sda: sda1
sd 0:0:0:0: [sda] Attached SCSI removable disk
[@MrFeng=W]#mount -t vfat /dev/sda1 /mnt/usb
FAT: utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive!
使用命令mount挂载U盘:
[@MrFeng=W]#mount -t vfat /dev/sda1 /mnt/usb
[@MrFeng=W]#ls /mnt/usb
bootloader.tgz logomaker.tgz rootfs.img
busybox-1.13.3.tar.gz mdev.txt server.c
examples(1).tgz mini2440_pwm.c zImage
getaddrinfo.c mkyaffsimage.tgz
led_driver.c root_qtopia.img
拔下U盘后出现:
[@MrFeng=W]#usb 1-1: USB disconnect, address 2
二、SD/MMC移植
S3C2440集成了一个MMC/SD/SDIO主机控制器,用于访问外接的SD、MMC、SDIO卡,linux-2.6.29.1包含了MMC/SD驱动程序,只需在内核中配置即可。在内核里做如下配置:
Device Drivers-?
<*>MMC/SD/SDIO card support--->
<*>MMC block device driver
[*]Use bounce buffer for simple hosts
<*>Samsung S3C SD/MMC Card Interface support
配置好后,把编译的内核下载到开发板后,插入SD卡终端没有任何提示。细细一看,友善之臂的SD卡的写保护不是直接接地的,二是接到GPH8引脚的,于是我在内核文件/arch/arm/mash-s3c2440/mach-smdk2440.c中做如下修改:
static void __init smdk2440_machine_init(void)
{
s3c24xx_fb_set_platdata(&smdk2440_fb_info);
s3c_i2c0_set_platdata(NULL);
//开启LCD背光
s3c2410_gpio_cfgpin(S3C2410_GPG4,S3C2410_GPG4_OUTP);
s3c2410_gpio_setpin(S3C2410_GPG4,1);
//关闭SD卡写保护
s3c2410_gpio_cfgpin(S3C2410_GPH8,S3C2410_GPH8_OUTP);
s3c2410_gpio_setpin(S3C2410_GPH8,0);
platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
smdk_machine_init();
}
重新编译内核,下载到开发板,将SD卡插入到卡座。在终端出现如下信息:
[@MrFeng=W]#mmc0: card 0002 removed
s3c2440-sdi s3c2440-sdi: powered down.
s3c2440-sdi s3c2440-sdi: running at 0kHz (requested: 0kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 16875kHz (requested: 25000kHz).
s3c2440-sdi s3c2440-sdi: running at 16875kHz (requested: 25000kHz).
mmc0: new SD card at address 0002
mmcblk0: mmc0:0002 00000 1.90 GiB
mmcblk0:<4>mmcblk0: retrying using single block read
拔下SD卡出现:
[@MrFeng=W]#mmc0: card 0002 removed
s3c2440-sdi s3c2440-sdi: powered down.
总结:在高版本的Linux内核中,已集成了USB和SD卡驱动,所需的只是配置,低版本的内核需要打补丁然后配置。
USB和SD/MMC移植笔记
一、USB移植
在移植好内核和跟文件系统的基础上,进行USB的移植。
S3C2440集成了USB控制器支持USB1.1版本,支持USB主机和USB设备主机符合OHCI1.0版本,Linux2.6.29.1的内核支持USB控制器,只需在内核中配置即可。
在内核目录下,输入make menuconfig,进入配置菜单,如下:
Device Drivers-à
SCSI device support-à
<*>SCSI device support
[*]legacy /proc/scsi/ support
<*>SCSI disk support
<*>SCSI CDROM support
[*]HID Devices-à
<*> USB Human Interface Device(full HID)support
[*] /dev/hiddev raw HID device support
[*]USB support-à
<*> support for Host-side USB
[*] USB device filesystem
[*] USB device class-devices(DEPRECATED)
<*>OHCI HCD support
<*>USB Mass storage support
先用make clean命令清除编译内核的垃圾文件,然后用命令make zImage编译内核。
在移植的根文件系统系统目录dev下建立如下的设备文件:
mknod sda1 b 8 1
把编译好的内核和根文件系统映像文件下载到开发板,启动开发板后插入U盘,终端出现如下信息:
[@MrFeng=W]#ls
bin etc linuxrc proc sys var
boot home lost+found root tmp www
dev lib mnt sbin usr
[@MrFeng=W]#usb 1-1: new full speed USB device using s3c2410-ohci and address 2
usb 1-1: New USB device found, idVendor="0204", idProduct="6025"
usb 1-1: New USB device strings: Mfr="0", Product="0", SerialNumber="0"
usb 1-1: configuration #1 chosen from 1 choice
scsi0 : SCSI emulation for USB Mass Storage devices
scsi 0:0:0:0: Direct-Access USB A Flash Disk 2.00 PQ: 0 ANSI: 2
sd 0:0:0:0: [sda] 506420 512-byte hardware sectors: (259 MB/247 MiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Assuming drive cache: write through
sd 0:0:0:0: [sda] 506420 512-byte hardware sectors: (259 MB/247 MiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Assuming drive cache: write through
sda: sda1
sd 0:0:0:0: [sda] Attached SCSI removable disk
[@MrFeng=W]#mount -t vfat /dev/sda1 /mnt/usb
FAT: utf8 is not a recommended IO charset for FAT filesystems, filesystem will be case sensitive!
使用命令mount挂载U盘:
[@MrFeng=W]#mount -t vfat /dev/sda1 /mnt/usb
[@MrFeng=W]#ls /mnt/usb
bootloader.tgz logomaker.tgz rootfs.img
busybox-1.13.3.tar.gz mdev.txt server.c
examples(1).tgz mini2440_pwm.c zImage
getaddrinfo.c mkyaffsimage.tgz
led_driver.c root_qtopia.img
拔下U盘后出现:
[@MrFeng=W]#usb 1-1: USB disconnect, address 2
二、SD/MMC移植
S3C2440集成了一个MMC/SD/SDIO主机控制器,用于访问外接的SD、MMC、SDIO卡,linux-2.6.29.1包含了MMC/SD驱动程序,只需在内核中配置即可。在内核里做如下配置:
Device Drivers-?
<*>MMC/SD/SDIO card support--->
<*>MMC block device driver
[*]Use bounce buffer for simple hosts
<*>Samsung S3C SD/MMC Card Interface support
配置好后,把编译的内核下载到开发板后,插入SD卡终端没有任何提示。细细一看,友善之臂的SD卡的写保护不是直接接地的,二是接到GPH8引脚的,于是我在内核文件/arch/arm/mash-s3c2440/mach-smdk2440.c中做如下修改:
static void __init smdk2440_machine_init(void)
{
s3c24xx_fb_set_platdata(&smdk2440_fb_info);
s3c_i2c0_set_platdata(NULL);
//开启LCD背光
s3c2410_gpio_cfgpin(S3C2410_GPG4,S3C2410_GPG4_OUTP);
s3c2410_gpio_setpin(S3C2410_GPG4,1);
//关闭SD卡写保护
s3c2410_gpio_cfgpin(S3C2410_GPH8,S3C2410_GPH8_OUTP);
s3c2410_gpio_setpin(S3C2410_GPH8,0);
platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
smdk_machine_init();
}
重新编译内核,下载到开发板,将SD卡插入到卡座。在终端出现如下信息:
[@MrFeng=W]#mmc0: card 0002 removed
s3c2440-sdi s3c2440-sdi: powered down.
s3c2440-sdi s3c2440-sdi: running at 0kHz (requested: 0kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz).
s3c2440-sdi s3c2440-sdi: running at 16875kHz (requested: 25000kHz).
s3c2440-sdi s3c2440-sdi: running at 16875kHz (requested: 25000kHz).
mmc0: new SD card at address 0002
mmcblk0: mmc0:0002 00000 1.90 GiB
mmcblk0:<4>mmcblk0: retrying using single block read
拔下SD卡出现:
[@MrFeng=W]#mmc0: card 0002 removed
s3c2440-sdi s3c2440-sdi: powered down.
总结:在高版本的Linux内核中,已集成了USB和SD卡驱动,所需的只是配置,低版本的内核需要打补丁然后配置。
大树移植和小树移植
关于SD转USB的问题
2.0 USB SD 读卡器是什麼东东
试管移植后腹涨和发热是怎么回事?
如何区分野山参和移植山参?
成年刺柏现在怎么移植和修剪
肾移植能吃蜂皇浆和蜂蜜吗?
肾移植能吃蜂皇浆和蜂蜜吗?
肾移植能吃蜂皇浆和蜂蜜吗?
mini sd和sd能不能转换???
mini sd和sd能不能转换??
SD卡和SD读卡器的价格
手机SD卡和数码相机的SD
什么 SD和DDR
手指被机器压碎了做移植手术和不做移植手术有什么区别
人可以移植心脏和肝脏,不知肺是否也可移植
胚胎分割移植和胚胎移植分别主要使用范畴是....区别..
那位能告诉我灌木移植和草皮移植的技术性的资料?谢谢
USB SD Card Reader是什么设备?驱动程序是什么?
SD和DDR的全称
sd卡和mmc卡
SD娃娃和DOD娃娃
MMC卡和SD卡
合肥 SD和芭比娃娃专卖