From: Igor Opaniuk <igor.opan...@toradex.com>
Add info about supported i.MX7, improve details the usage of
bcbonly subcommand.
Signed-off-by: Igor Opaniuk <igor.opan...@toradex.com>
---
arch/arm/mach-imx/cmd_nandbcb.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-imx/cmd_nandbcb.c b/arch/arm/mach-imx/cmd_nandbcb.c
index 9d3ed1aac3..334cc0766e 100644
--- a/arch/arm/mach-imx/cmd_nandbcb.c
+++ b/arch/arm/mach-imx/cmd_nandbcb.c
@@ -590,11 +590,14 @@ static char nandbcb_help_text[] =
"update addr off|partition len - update 'len' bytes starting at\n"
" 'off|part' to memory address 'addr', skipping bad blocks\n"
"bcbonly fw-size fw1-off [fw2-off] - write only BCB (FCB and DBBT)\n"
- " where `fw-size` is fw sizes in bytes, `fw1-off` and\n"
- " and `fw2-off` - firmware offsets ";
+ " where `fw-size` is fw sizes in bytes, `fw1-off`\n"
+ " and `fw2-off` - firmware offsets\n"
+ " FIY, BCB isn't erased automatically, so mtd erase should\n"
+ " be called in advance before writing new BCB:\n"
+ " > mtd erase mx7-bcb";
#endif
U_BOOT_CMD(nandbcb, 5, 1, do_nandbcb,
- "i.MX6 Nand BCB",
+ "i.MX6/i.MX7 NAND Boot Control Blocks write",
nandbcb_help_text
);
--
2.17.1
