On Tue, Oct 27, 2015 at 10:34:49PM +0100, Michael Heimpold wrote: > When for example generating/manipulating SD card/eMMC images which > contain U-Boot and its environment(s), it is handy to use a given > configuration file instead of the compiled-in default one. > And since the default configuration file is expected under /etc > it's hard for an usual linux user account without special permissions > to use fw_printenv/fw_setenv for this purpose. > So allow to pass an optional filename via a new '-c' command > line argument. > > Example: > > $ ln -s fw_printenv tools/env/fw_setenv > $ cat fw_env.config > test.img 0x20000 0x20000 > test.img 0x40000 0x20000 > > $ tools/env/fw_printenv -c ./fw_env.config fdt_file > fdt_file=imx28-duckbill.dtb > > $ tools/env/fw_setenv -c ./fw_env.config fdt_file imx28-duckbill-spi.dtb > > $ tools/env/fw_printenv -c ./fw_env.config fdt_file > fdt_file=imx28-duckbill-spi.dtb > > Signed-off-by: Michael Heimpold <m...@heimpold.de>
Applied to u-boot/master, thanks! -- Tom
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