This adds support for USB boot mode on the i.MX7D SoC, which is most useful when doing U-Boot development on this chip.
i.e., it enables you to enter the ROM boot loader's serial download protocol using the command:
=> bmode usb
Signed-off-by: Eric Nelson eric@nelint.com --- arch/arm/mach-imx/mx7/soc.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm/mach-imx/mx7/soc.c b/arch/arm/mach-imx/mx7/soc.c index 87bf105..63ee59f 100644 --- a/arch/arm/mach-imx/mx7/soc.c +++ b/arch/arm/mach-imx/mx7/soc.c @@ -372,6 +372,8 @@ void set_wdog_reset(struct wdog_regs *wdog) * to SBMR1, which will determine the boot device. */ const struct boot_mode soc_boot_modes[] = { + {"usb", MAKE_CFGVAL(0x01, 0x00, 0x00, 0x00)}, + {"ecspi1:0", MAKE_CFGVAL(0x00, 0x60, 0x00, 0x00)}, {"ecspi1:1", MAKE_CFGVAL(0x40, 0x62, 0x00, 0x00)}, {"ecspi1:2", MAKE_CFGVAL(0x80, 0x64, 0x00, 0x00)},