Digilent Embedded Linux - Manual (Page 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