[U-Boot] [PATCH] M28: Document that units has to be set to sectors on SD bootcard

[Marek Vasut]

Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
Cc: Stefano Babic <sbabic at denx.de>
Cc: Wolfgang Denk <wd at denx.de>
---
 doc/README.m28 |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/doc/README.m28 b/doc/README.m28
index b749ce0..242230b 100644
--- a/doc/README.m28
+++ b/doc/README.m28
@@ -116,6 +116,12 @@ must have the following parameters:
 For example in Linux fdisk, the sequence for a clear card is the following:
 
 	* o ..................... create a clear partition table
+	* p ..................... here you need to verify that units is set to
+	                          sectors. In the output, earch for a line
+				  containing:
+				      Units = sectors of 1 * 512 = 512 bytes
+				  If no such line is present, press "u" to
+				  switch units to sectors.
 	* n ..................... create new partition
 		* p ............. primary partition
 		* 1 ............. first partition
-- 
1.7.7.1