[PATCH v3 3/3] clk: stm32: Update clock management for STM32MP13/25
Patrice CHOTARD
patrice.chotard at foss.st.com
Wed Jan 14 17:55:26 CET 2026
On 1/5/26 22:22, Marek Vasut wrote:
> On 1/5/26 3:30 PM, Patrice CHOTARD wrote:
>
> Hello Patrice,
>
>>>>>> /* WWDG */
>>>>>> - STM32_GATE(CK_BUS_WWDG1, "ck_icn_p_wwdg1", "ck_icn_apb3", 0, GATE_WWDG1,
>>>>>> + STM32_GATE(CK_BUS_WWDG1, "ck_icn_p_wwdg1", IDX_ICN_APB3, 0, GATE_WWDG1,
>>>>>> SEC_RIFSC(103)),
>>>>>> - STM32_GATE(CK_BUS_WWDG2, "ck_icn_p_wwdg2", "ck_icn_ls_mcu", 0, GATE_WWDG2,
>>>>>> + STM32_GATE(CK_BUS_WWDG2, "ck_icn_p_wwdg2", IDX_ICN_LS_MCU, 0, GATE_WWDG2,
>>>>>> SEC_RIFSC(104)),
>>>>>> };
>>>>>>
>>>>> Hi Marek
>>>>>
>>>>> Can you give this patchset a try on DHCOR board in SPL ?
>>>> I have bad news, the SPL does not even start with this, no output on UART even. The problem seems to be in 3/3 , if I apply only 1/3 and 2/3 the board does boot just fine.
>>
>> Hi Marek
>>
>> Happy new year ;-)
>
> Thank you, Happy New Year to you too.
>
>> Have you tried with DEBUG_UART ?
>
> No, that is not enabled in the DHSBC config.
>
> You should be able to try the SPL on MP13 EV if you pick the changes from these three commits (a few DT changes and a few config options), it should be straightforward to port over and help you debug the problem:
>
> bf53344bff8d ("ARM: dts: stm32: Add STM32MP13x SPL specific DT additions")
> 1143fd4c3507 ("ARM: dts: stm32: Add SPL specifics for DH STM32MP13xx DHCOR DHSBC")
> 998da69da678 ("ARM: dts: stm32: Switch defconfig to SPL for DH STM32MP13xx DHCOR DHSBC")
>
> If this doesn't work quickly for you, I can try to set up the MP13 DHSBC with DEBUG_UART later this week.
Hi Marek
Thanks for pointing these patches.
I succeed to make stm32mp135f-dk board in SPL boot.
I will now investigate why SPL boot is no more functional with this patch.
Thanks
Patrice
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