Embest AM3517, Руководство пользователя

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OMAP34xx/35xx-GP ES1.0, CPU-OPP2 L3-165MHz
AM3517EVM Board + LPDDR/NAND
I2C: ready
DRAM: 256 MB
NAND: 256 MiB
In: serial
Out: serial
Err: serial
Die ID #796400000000000001543b2106011005
Net: davinci_emac_initialize
Ethernet PHY: GENERIC @ 0x00
DaVinci EMAC
Hit any key to stop autoboot: 3
When it starts to this here, the system will count down for 3 seconds. Then press any key, it will
enter the u-boot shell.
3. U-boot parameter settings
Input the following in bold type in the u-boot shell.
OMAP3517EVM #
setenv bootargs console=ttyS2,115200n8 root=/dev/ram0 rw
rootfstype=ext2 initrd=0x81600000,40M
OMAP3517EVM #
setenv bootcmd
‘mmc init\;fatload mmc 0 80300000
uImage\;fatload mmc 0 81600000 ramdisk.gz\;bootm 0x80300000
’
OMAP3517EVM #
saveenv
OMAP3517EVM #
boot
3.2 3 Linux Function Test
3.2 3.1 Test on LED
Led1 on the SOC8200 has been used as power indicator light, led2 can be used.
The following (Linux systems) can complete the led2 test.
1. Light LED2.
[root@OMAP3EVM /]#
echo -n 1 >/sys/class/leds/led/brightness
2. Extinguish LED2.
[root@OMAP3EVM /]#
echo -n 0 >/sys/class/leds/led/brightness
3.2 3.2 Test on Touch Screen
After entering Linux system, execute the following commands to test:
1. Input the following commands to execute the touch screen calibration procedures:
[root@OMAP3EVM /]#
ts_calibrate
Follow prompts on the screen, click the "+" icon five times to complete the calibration.
2. After the calibration is complete, enter the following commands for touch-screen test
[root@OMAP3EVM /]#
ts_test
Follow prompts on the on screen prompts, choose to draw point, draw a line test.