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mach-imx: nandbcb: improve cmd help

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Add info about supported i.MX7, improve details the usage of
bcbonly subcommand.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
This commit is contained in:
Igor Opaniuk 2019-12-16 14:06:44 +02:00 committed by Stefano Babic
parent 08b72863d7
commit 061b63b775
1 changed files with 6 additions and 3 deletions
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9
arch/arm/mach-imx/cmd_nandbcb.c
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@ -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
);