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2012-05-08T13:43:00Z

Created page with "== NAND Flash == :'''Nand Flash Read''' :''nand read <SDRAM address> <NAND Flash address> <Bytes>'' :Example: nand read 80000000 400000 b40000 :Description: Copies 11,25MByte..."

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== NAND Flash ==

:'''Nand Flash Read'''

:''nand read <SDRAM address> <NAND Flash address> <Bytes>''

:Example: nand read 80000000 400000 b40000

:Description: Copies 11,25MByte from NAND Flash address 0x40_0000 to SDRAM address 0x8000_0000

:'''Nand Flash Erase'''

:''nand erase <Block base address> <Bytes>''

:Example: nand erase 400000 40000

:Description: Deletes NAND Flash content from address 0x40_0000 to 0x43_FFFF

:Note: The Bytes information needs to be block size aligned!

:'''Nand Flash Write'''

:''nand write <SDRAM address> <NAND Flash address> <Bytes>''

:Example: nand write 80000000 400000 b40000

:Description: Cpoies 11,25MByte from SDRAM address 0x8000_0000 to NAND Flash address 0x40_0000

:Note: The Bytes information needs to be page size aligned!

:'''Show bad NAND Flash blocks'''

:''nand bad''

:Description: Shows the bad NAND Flash blocks.

:'''Show NAND FLash content'''

:''nand dump <NAND Flash address>''

:Example: nand dump 400000

:Description: Shows the content of the specified NAND Flash block

== SPI Flash ==

:'''SPI Flash Init'''

:''sf probe <bus:cs> [frequency]''

:Example: sf probe 0:1

:Description: Initializes the OnBoard SPI Flash

:'''SPI Flash Read'''

:''sf read <SDRAM address> <SPI Flash address> <Bytes>''

:Example: sf read 80000000 40000 10000

:Description: Copies 64kByte from SPI Flash address 0x4_0000 to SDRAM address 0x8000_0000

:'''SPI Flash Write'''

:''sf write <SDRAM address> <SPI Flash address> <Bytes>''

:Example: sf write 80000000 40000 10000

:Description: Copies 64kByte from SDRAM address 0x8000_0000 to SPI Flash address 0x4_0000

:'''SPI Flash Erase'''

:''sf erase <SPI Flash address> <Bytes>''

:Example: sf erase 40000 10000

:Description: Deletes SPI Flash content from address 0x4_0000 to 0x4_FFFF

:Note: The Bytes information needs to be sector size aligned!

== LCD contoller ==

:'''Show LCD controller settings'''

:''lcdinfo''

:Example:
Display Resolution: 800 x 480 pixels
Display Type: Active Color Display
Pixel Clock: 22 MHz
Bits per Pixel: 16 Bits/Pixel
Pixel Polarity: Active High
VSYNC Polarity: Active Low
HSYNC Polarity: Active Low
Clock Polarity: Pos. Edge
Output En Polarity: Active High
HSYNC Puls Width: 64 Clock Cycles
HSYNC Back Porch: 86 Clock Cycles
HSYNC Front Porch: 42 Clock Cycles
VSYNC Puls Width: 2 Line Cycles
VSYNC Back Porch: 33 Line Cycles
VSYNC Front Porch: 10 Line Cycles

== GPIO's ==

:'''Show DHCOM GPIO settings'''

:''gpioinfo''

:Example:
GPIO_A: Direction = Input
State = 0
GPIO_B: Direction = Input
State = 0
GPIO_C: Direction = Input
State = 0
GPIO_D: Direction = Input
State = 0
GPIO_E: Direction = Input
State = 1
GPIO_F: Direction = Input
State = 1
GPIO_G: Direction = Output
State = 1
GPIO_H: Direction = Input
State = 1
GPIO_I: Direction = Input
State = 1
GPIO_J: Direction = Input
State = 1
GPIO_K: Direction = Input
State = 0

== SD/MMC Card ==

:'''Switch between MicroSD and SD Slot'''

:''mmcswitch <Slot number>''

:Example: mmcswitch 2

:Description: Switch between SD/MMC Slots: 1 --> SD/MMC Slot, 2 --> MicroSD Slot

:'''Initialize SD/MMC Card'''

:''mmcinit''

:Description: Initialize new inserted SD Card

== Filesystem ==

:'''Show Filesystem information'''

:''fatinfo <interface> <device>''

:Example: fatinfo mmc 1

Interface: MMC
Device 1: Vendor: Man 094150 Snr 266e068c Rev: 1.0 Prod: AF UD
Type: Removable Hard Disk
Capacity: 121.2 MB = 0.1 GB (248320 x 512)
Partition 1: Filesystem: FAT16 "NO NAME "

:'''List files'''

:''fatls <interface> <device> <directory>''

:Example 1: fatls mmc 1

:Example 2: fatls mmc 1 /folder

:'''Load Files from SD Card to SDRAM'''

:''fatload <interface> <device> <SDRAM address> <directory+filename>''

:Example 1: fatload mmc 1 80100000 nk.gz

:Example 2: fatload mmc 1 80100000 /folder/nk.gz

== Ethernet ==

:'''Load File via TFTP to SDRAM'''

:''tftp <SDRAM address> <directory+filename>''

:Example: tftp 80100000 nk.gz

:Example TFTP Server: "Winagents TFTP Server Manager"

:Note: For TFTP download it is necessary to config the ENV variables "ipaddr" and "serverip"

:'''Ping'''

:''ping <IP address>''

:Example: ping 192.168.55.32

:'''Read PHY register via MII interface'''

:''mii dump <PHY address> <PHY register>''

:Example: mii dump 1 0

:Description: Shows PHY control register content.

== Environment ==

:'''Show ENV variables'''

:''printenv''

bootdelay=0
baudrate=38400
ipaddr=192.168.55.230
serverip=192.168.55.36
gatewayip=192.168.55.36
netmask=255.255.255.0
frias=5
kernel=uImage
bootargs=console=ttymxc0,115200 root=/dev/mmcblk0p2
nandbootwince=update;bootwince 00200000
splashimage=0x000c0000
save_ENV_to_flash=setenv ENVinFlash 1; saveenv
ENVinFlash=1
ethaddr=00:04:a3:34:b6:0d
ethact=FEC0
winceimagetype=nk.gz
winceimagesize=00ba55ee
loadaddr=00200000
bootcmd=run nandbootwince
filesize=212050
Environment size: 449/262140 bytes

:'''Set ENV variables'''

:''setenv <ENV name> <ENV value>''

:Example: setenv ipaddr 192.168.55.2

:Note: If you need to edit "bootcmd" it is necessary to insert ";" between the unique commands. You can enter ";" at the command line with "\;".

:'''Save ENV variables'''

:''saveenv''

:'''Erase all ENV variables'''

:''eraseenv''

:Note: It is necessary to restart the system after "eraseenv", to restore the default ENV settings.

== Update ==

:Note: See also Bootloader subitem Flash Update.

:'''iMX25_update.bmp file'''

:''update''

:Description: Starts Flash update with "iMX25_update.bmp" file.

:'''Command line'''

:''update <type> [filename]''

:Type:

:wince = WinCE image update (default file names nk.gz or nk.bin) + ENV update

:linux = Linux image update (default file name uImage) + ENV update (default script file name uImage.env)

:flash = Complete flash image update

:bootloader = Bootloader update (default file name u-boot.bin)

:splash = Bootbitmap update (default file name splash.bmp)

:settings = Settings block update (default file name settings.bin)

== I2C ==

:'''List available devices'''

:''i2c probe''

Valid chip addresses: 00 57 6F
0x5F = DHCOM i.MX25 Core Module EEPROM
0x6F = DHCOM i.MX25 Core Module Real Time Clock

:'''Read'''

:''i2c md <I2C address> <start address> <end address>''

:Example: i2c md 57 10 20

:Description: Reads 16 Bytes from the address 0x10 to address 0x20.

:'''Write'''

:''i2c mw <I2C address> <I2C register> <Value> <Bytes>''

:Example: i2c mw 57 0 aa 5

:Description: Writes 0xaa to 5 Bytes from the offset 0.

== OS Boot ==

:'''WinCE'''

:''bootwince <Image address> [debug]''

:Example: bootwince 200000

:Description: The address 0x20_0000 specifies NAND Flash image address. The image is loaded from NAND flash to SDRAM. Next to that u-boot starts WinCE. The "debug" option make sure that the image wouldn't be started after uncompressing.

:Note: The Image address could also be an SDRAM address. But it is necessary to copy the Image (via tftp or nand flash commands) to the SDRAM before calling "bootwince".

:''bootwince tftp''

:Note: The ENV variables "loadaddr" and "bootfile" needs to be set before calling the command. For *.gz image types the "loadaddr" should be set to 0x8290_0000 and for *.bin images the address should be 0x8100_0000.

:'''Linux'''

:''bootm <Kernel address> [arg]''

:Note: When booting a Linux kernel,‘arg' can be the address of an initrd image.

== Unzip ==

:''unzip <source address> <destination address>''

:Example: unzip 82900000 80100000

:Note: The unzip command is supporting the gzip file format.

== Bitmap ==

:'''Information'''

:''bmp info <Bitmap address>''

Image size : 800 x 480
Bits per pixel: 8
Compression : 0

:'''Display'''

:'' bmp display <Bitmap SDRAM address> [x y]''

== Memory ==

:'''Display'''

:''md[.b, .w, .l] <address> [count]''

:Example: md.b 80100000 100

:'''Write'''

:''mw[.b, .w, .l] <address> <value> [count]''

:Example: mw.b 80100000 aa 100

:Description: Writes the value 0xaa to the next 0x100 bytes from the address 0x8010_0000.

:'''Copy'''

:''cp[.b, .w, .l] <source> <destination> <count>''

== Show DHCOM Settings ==

:''settings''

:Example:
VALIDATION_ID: "DH"
DISPLAY_ID: 0x00
LENGTH: 0x2c
X_RESOLUTION: 800 pixel
Y_RESOLUTION: 480 pixel
PIXEL_CLOCK: 22200 kHz
LCD_CONFIG_FLAGS: 0x3e3
HSW: 64 pixel clocks
VSW: 2 line clocks
HFP: 42 pixel clocks
HBP: 86 pixel clocks
VFP: 10 line clocks
VBP: 33 line clocks
DATALINES: 16
ACB: 0
ACBI: 0
GPIO_DIR: 0x01ff
GPIO_STATE: 0x0000
HW_CONFIG_FLAGS: 0x001e

AM3517 U-boot console commands - Revision history

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