rpi: tizen-boot: add note about kernel size limitation.

There is kernel size limitation to support ramdisk. Add note
about the size limitation.

Change-Id: I77366008ee2a3649b9d9c366c756206784c240cb
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>

diff --git a/board/raspberrypi/rpi/tizen-boot.scr b/board/raspberrypi/rpi/tizen-boot.scr
index e82968d35c1146c14e74daccebc43f8342277001..e9f8dee063f72f0591a9f660264cea4cdc3ba41f 100644 (file)
--- a/board/raspberrypi/rpi/tizen-boot.scr
+++ b/board/raspberrypi/rpi/tizen-boot.scr
@@ -10,6 +10,10 @@ mmcinformpart=9
 # Tizen kernel image is over than 16MB, it will be overlapped with other address.
 # To avoid this behaivor, change to 0x02d00000 from 0x01000000
 #
+# NOTE: booti command will move kernel image to 0x80000 (text offset), and
+# ramdisk is loaded to $ramdisk_addr_r (0x02100000), so kernel should be equal
+# or less than 32.5MB to load ramdisk properly.
+#
 tizen_kernel_addr_r=0x02d00000
 
 dummy=0x24000000