[U-Boot] [PATCH 29/31] M28: Add NAND update scripts

[Marek Vasut]

Add "update_nand_full" and "update_nand_firmware" scripts to make NAND bootable
or update NAND firmware.

Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
Cc: Stefano Babic <sbabic at denx.de>
Cc: Wolfgang Denk <wd at denx.de>
Cc: Detlev Zundel <dzu at denx.de>
---
 include/configs/m28evk.h |   34 ++++++++++++++++++++++++++++++++++
 1 files changed, 34 insertions(+), 0 deletions(-)

diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h
index c120c63..5ca5f98 100644
--- a/include/configs/m28evk.h
+++ b/include/configs/m28evk.h
@@ -239,4 +239,38 @@
 #define	CONFIG_LOADADDR		0x42000000
 #define	CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
 
+/*
+ * Extra Environments
+ */
+#define	CONFIG_EXTRA_ENV_SETTINGS					\
+	"update_nand_full_filename=u-boot.nand\0"			\
+	"update_nand_firmware_filename=u-boot.sb\0"			\
+	"update_nand_firmware_maxsz=0x100000\0"				\
+	"update_nand_stride=0x40\0"	/* MX28 datasheet ch. 12.12 */	\
+	"update_nand_count=0x4\0"	/* MX28 datasheet ch. 12.12 */	\
+	"update_nand_get_fcb_size="	/* Get size of FCB blocks */	\
+		"nand device 0 ; "					\
+		"nand info ; "						\
+		"setexpr fcb_sz ${update_nand_stride} * ${update_nand_count};" \
+		"setexpr update_nand_fcb ${fcb_sz} * ${nand_writesize}\0" \
+	"update_nand_full="		/* Update FCB, DBBT and FW */	\
+		"if tftp ${update_nand_full_filename} ; then "		\
+		"run update_nand_get_fcb_size ; "			\
+		"nand scrub.quiet 0x0 ${filesize} ; "			\
+		"nand write.raw ${loadaddr} 0x0 ${update_nand_fcb} ; "	\
+		"setexpr update_off ${loadaddr} + ${update_nand_fcb} ; " \
+		"setexpr update_sz ${filesize} - ${update_nand_fcb} ; " \
+		"nand write ${update_off} ${update_nand_fcb} ${update_sz} ; " \
+		"fi\0"							\
+	"update_nand_firmware="		/* Update only firmware */	\
+		"if tftp ${update_nand_firmware_filename} ; then "	\
+		"run update_nand_get_fcb_size ; "			\
+		"setexpr fcb_sz ${update_nand_fcb} * 2 ; " /* FCB + DBBT */ \
+		"setexpr fw_sz ${update_nand_firmware_maxsz} * 2 ; "	\
+		"setexpr fw_off ${fcb_sz} + ${update_nand_firmware_maxsz};" \
+		"nand erase ${fcb_sz} ${fw_sz} ; "			\
+		"nand write ${loadaddr} ${fcb_sz} ${filesize} ; "	\
+		"nand write ${loadaddr} ${fw_off} ${filesize} ; "	\
+		"fi\0"
+
 #endif /* __M28_H__ */
-- 
1.7.5.4