[U-Boot] [PATCH] imx: mx7: Add support for USB boot mode

[Eric Nelson]

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 <eric at 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,


Eric