Hi,
On 2015?12?22? 11:04, Naoki FUKAUMI wrote:
> hi,
>
> On Mon, Dec 21, 2015 at 8:42 PM, Andy Yan<andy.yan at rock-chips.com> wrote:
>> Add reboot mode driver DT node for rk3xxx,rk3288 platform
>>
>> Signed-off-by: Andy Yan<andy.yan at rock-chips.com>
>> ---
>>
>> arch/arm/boot/dts/rk3288.dtsi | 25 +++++++++++++++++++++++
>> arch/arm/boot/dts/rk3xxx.dtsi | 26 ++++++++++++++++++++++++
>> include/dt-bindings/soc/rockchip_boot-mode.h | 30 ++++++++++++++++++++++++++++
>> 3 files changed, 81 insertions(+)
>> create mode 100644 include/dt-bindings/soc/rockchip_boot-mode.h
>>
>> diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
>> index 04ea209..937ba4c 100644
>> --- a/arch/arm/boot/dts/rk3288.dtsi
>> +++ b/arch/arm/boot/dts/rk3288.dtsi
>> @@ -170,6 +170,31 @@
>> };
>> };
>>
>> + reboot_mode {
>> + compatible = "rockchip,reboot-mode";
>> + rockchip,regmap = <&pmu>;
>> + offset = <0x94>;
>> + loader {
>> + linux,mode = "loader";
>> + linux,magic = <0x5242C301>;
>> + };
>> +
>> + maskrom {
>> + linux,mode = "maskrom";
>> + linux,magic = <0x5242C302>;
>> + };
>> +
>> + recovery {
>> + linux,mode = "recovery";
>> + linux,magic = <0x5242C303>;
>> + };
>> +
>> + fastboot {
>> + linux,mode = "fastboot";
>> + linux,magic = <0x5242C309>;
>> + };
>> + };
>> +
> (snip)
>
> I sometimes use 0xEF08A53C to load bootloader from SD card instead of
> on-board flash memory such as eMMC.
> https://github.com/linux-rockchip/u-boot-rockchip/blob/u-boot-rk3288/common/cmd_rockusb.c#L893
>
> I don't know any detail about this function.
> (above code says "reboot to maskrom", but it should be wrong from my experience)
>
> do you know something about this function? can you handle this too?
>
> Regards,
>
>
>
Have some discussion with the bootloader engineer, the correct magic
number to
reboot the system to maskrom mode is 0xEF08A53C. I will fix it in
next version.
