Hi Troy,
On 08/29/2017 11:55 AM, Troy Kisky wrote:
On 8/29/2017 7:37 AM, Eric Nelson wrote:
Hi Troy,
On 08/28/2017 09:42 AM, Troy Kisky wrote:
On 8/27/2017 3:04 PM, Eric Nelson wrote:
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[] = {
You might want to add
+ {"normal", MAKE_CFGVAL(0x00, 0x00, 0x00, 0x00)},
while you're at it, to undo with "bmode normal"
Normal, meaning "don't override"?
Why would you want to do this?
Please advise,
Hi Eric!
If you do "bmode usb" and then use "imx_usb" to load a new u-boot.
You may want to do "bmode normal", so that a watchdog reset from
the linux kernel or from u-boot will work as expected, instead of
starting the ROM USB downloader again.
Got it.
It keeps you from reaching for the power or reset button after
using "bmode usb" or somesuch.
I'll ship a V2 momentarily.
Regards,
Eric
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