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--- litesom:buildroot:qa [2019/06/24 14:12]
piotr.figlarek
+++ litesom:buildroot:qa [2019/06/24 15:02] (current)
piotr.figlarek
@@ Line 3: / Line 3: @@
 ===== How to install and boot firmware from eMMC memory? =====
+This same image (file ''sdcard.img'') created by the Buildroot (see [[litesom:buildroot|Quick start]]) can be installed on liteSOM eMMC memory.
+Below you can find list of steps required it install and boot liteSOM from eMMC memory:
+  - build firmware as described on [[litesom:buildroot|Quick start]].
+  - configure liteboard boot switches to "Boot from SD card" mode (see [[litesom:boot_switches|Liteboard boot switches configuration]]),
+  - boot liteboard with firmware compiled in the first step,
+  - copy to USB stick ''sdcard.img'' file generated in the first step,
+  - insert USB stick to the liteboard USB A socket,
+  - mount USB stick,
+  - copy ''sdcard.img'' file to eMMC memory (''/dev/mmcblk1''),
+  - configure liteboard boot switches to "Boot from eMMC memory" mode (see [[litesom:boot_switches|Liteboard boot switches configuration]]),
+<button collapse="program-eMMC">Show steps 5…7</button>
+<collapse id="program-eMMC" collapsed="true"><well>
+**Step no. 5**
+<code>
+[  166.513081] usb 1-1: new high-speed USB device number 2 using ci_hdrc
+[  166.755810] usb-storage 1-1:1.0: USB Mass Storage device detected
+[  166.773805] scsi host0: usb-storage 1-1:1.0
+[  167.853525] random: crng init done
+[  167.876991] scsi 0:0:0:0: Direct-Access     Generic  Flash Disk       8.07 PQ: 0 ANSI: 2
+[  167.906527] sd 0:0:0:0: [sda] 8212480 512-byte logical blocks: (4.20 GB/3.92 GiB)
+[  167.915863] sd 0:0:0:0: [sda] Write Protect is off
+[  167.924621] sd 0:0:0:0: [sda] No Caching mode page found
+[  167.930288] sd 0:0:0:0: [sda] Assuming drive cache: write through
+[  167.959291]  sda: sda1
+[  167.975830] sd 0:0:0:0: [sda] Attached SCSI removable disk
+</code>
+**Step no. 6**
+<code>
+# mkdir /mnt/usb
+# mount /dev/sda1 /mnt/usb/
+</code>
+**Step no. 7**
+<code>
+# dd if=/mnt/usb/sdcard.img  of=/dev/mmcblk1 bs=4M
++0 records in
++0 records out
+# sync
+</code>
+</well>
+</collapse>