README
1U-Boot for Wandboard
2--------------------
3
4This file contains information for the port of U-Boot to the Wandboard.
5
6Wandboard is a development board that has three variants based on the following
7SoCs: mx6 quad, mx6 quad plus, mx6 dual lite and mx6 solo.
8
9For more details about Wandboard, please refer to:
10http://www.wandboard.org/
11
12Building U-Boot for Wandboard
13-----------------------------
14
15To build U-Boot for the Wandboard:
16
17$ make wandboard_config
18$ make
19
20Flashing U-Boot into the SD card
21--------------------------------
22
23- After the 'make' command completes, the generated 'SPL' binary must be
24flashed into the SD card;
25
26$ sudo dd if=SPL of=/dev/mmcblk0 bs=1k seek=1; sync
27
28(Note - the SD card node may vary, so adjust this as needed).
29
30- Flash the u-boot.img image into the SD card:
31
32sudo dd if=u-boot-dtb.img of=/dev/mmcblk0 bs=1k seek=69; sync
33
34- Insert the SD card into the slot located in the bottom of the board (same side
35as the mx6 processor)
36
37- Connect the serial cable to the host PC
38
39- Power up the board and U-Boot messages will appear in the serial console.
40
41Debug UART
42----------
43
44The following settings provide a debug UART for the Wandboard:
45
46CONFIG_DEBUG_UART=y
47CONFIG_DEBUG_UART_MXC=y
48CONFIG_DEBUG_UART_BASE=0x02020000
49CONFIG_DEBUG_UART_CLOCK=80000000
50