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 <e...@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)},
--
2.7.4
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