arm: mvebu: clearfog: document boot from SATA

Document the main U-Boot image offset when booting from SATA disk on the
Clearfog board.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Chris Packham <judge.packham@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>

diff --git a/board/solidrun/clearfog/README b/board/solidrun/clearfog/README
index 0b0e98de90a0b8905efe922b74d795b6ccf9780a..6171ce66f4f88b55f5813605a2236f6d04aa72db 100644 (file)
--- a/board/solidrun/clearfog/README
+++ b/board/solidrun/clearfog/README
@@ -40,6 +40,12 @@ Install U-Boot on eMMC boot partition from Linux running on Clearfog:
 Note that the SD card is not accessible when the Clearfog SOM has eMMC.
 Consider initial boot from UART (see below).
 
+Install U-Boot on SATA:
+-----------------------
+
+When loading the main U-Boot image from raw SATA sector, set
+CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR to 0x141.
+
 Boot selection:
 ---------------