Android and Android SD card mounting

Platform: s5pc110

System: android2.3

Kernel: linux2.6.35

1, android2.3.4 _ kernel_2.6.35_t34h \ arch \ Arm \ mach-s5pv210 \ kconfig

Select initi_dev_hsmmc

Select s3_dev_hsmmc1 if! S5pv210_sd_ch0_8bit

Select initi_dev_hsmmc2 if! S5pv210_sd_ch1_8bit

Select initi_dev_hsmmc3 if! S5pv210_sd_ch2_8bit

After adding the preceding information to the kernel, you can see the following:

There is a scanned card.

[2, 73.852104] MMC e_removed

[2, 74.058867] mmc_rescan mmc2, search for sdio

[2, 74.063104] mmc_rescan mmc2, search for SD

[74.157214] mmc2: New High Speed SD card at address dda5

[74.171162] mmcblk1: mmc2: dda5 sd02g 1.83 Gib

[2, 74.180370] mmcblk1: p1

[2, 75.149051] MMC e_inserted

[2, 75.350940] mmc2: Card dda5 removed

[2, 75.607378] MMC e_removed

2,ModifySystem startup information

(1) Init. RC

Android2.3.4 _ gb_t34h \ device \ Samsung \ smdkc110 \ Inti. RC:

..................

# Export external_storage/mnt/sdcard

Export external_storage/sdcard

Export external_sdcard_storage/sdcard/SD

..................

# Create mountpoints

Mkdir/ MNT 0775 Root System

Mkdir/mnt/sdcard 0000 System

Mkdir/sdcard 0000 System

(2), vold. fstab

Android2.3.4 _ gb_t34h \ device \ Samsung \ smdkc110 \ vold. fstab:

# Vold 2.0 generic fstab

#-San mehat (san@android.com)

##

#######################

# Regular device Mount

##

# Format: dev_mount <label> <mount_point> <part> <sysfs_path1...>

# Label-label for the volume

# Mount_point-where the volume will be mounted

# Part-partition #(1 based), or 'auto' for first usable partition.

# <Sysfs_path>-List of sysfs paths to source Devices

######################

# Dev_mount sdcard/mnt/sdcard Auto/devices/platforms/s3c-sdhci.0/mmc_host/mmc0

Dev_mount sdcard/sdcard 1/devices/platform/s3c-sdhci.0/mmc_host/mmc0

Dev_mount sdcard2/sdcard/SD Auto/devices/platform/s3c-sdhci.2/mmc_host/mmc2

3. After completing the kernel and system configurations, you can mount the SD card, as shown in.

/Sdcard/SD is the SD card to be mounted.