Digilent Embedded Linux Bedienungsanleitung PDF herunterladen (Seite 11)

Using Zynq with Linux

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Example 6.

Echo will display a string on the serial port. (See Example 7.)

Example 7.

Mmcinfo will display the information about your Multi-Media Card. Example 8 is for an SD card.

Example 8.

Fatload will load a file from the FAT partition to a specified memory location. The following

instruction loads zImage from the MMC (SD Card) first FAT partition to 0x8000 in the processor’s

memory space. (See Example 9.)

zed-boot> printenv

baudrate=115200

bootcmd=run modeboot

bootdelay=3

ethact=zynq_gem

ethaddr=00:0a:35:00:01:22

ipaddr=192.168.1.10

jtagboot=echo TFTPing Linux to RAM...;tftp 0x8000 zImage;tftp

0x1000000 devicetree.dtb;tftp 0x800000 ramdisk8M.image.gz;go

0x8000

kernel_size=0x140000

modeboot=run sdboot

qspiboot=sf probe 0 0 0;sf read 0x8000 0x100000 0x2c0000;sf read

0x1000000 0x3c0000 0x40000;sf read 0x800000 0x400000 0x800000;go

0x8000

ramdisk_size=0x200000

sdboot=echo Copying Linux from SD to RAM...;mmcinfo;fatload mmc 0

0x8000 zImage;fatload mmc 0 0x1000000 devicetree.dtb;fatload mmc

0 0x800000 ramdisk8M.image.gz;go 0x8000

sdboot_linaro=echo Copying Linux from SD to

RAM...;mmcinfo;fatload mmc 0 0x8000 zImage;fatload mmc 0

0x1000000 devicetree_linaro.dtb;go 0x8000

serverip=192.168.1.50

stderr=serial

stdin=serial

stdout=serial

Environment size: 861/65532 bytes

zed-boot> echo Hullo World

Hullo World

zed-boot>

zed-boot> mmcinfo

Device: SDHCI

Manufacturer ID: 3

OEM: 5344

Name: SU04G

Tran Speed: 25000000

Rd Block Len: 512

SD version 1.10

High Capacity: Yes

Capacity: 3965190144

Bus Width: 1-bit

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 22 23

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