[PATCH 1/6] arm: dts: k3-am64-evm: Fix boot

Roger Quadros rogerq at kernel.org
Mon Oct 2 18:14:05 CEST 2023


Nishanth,

On 02/10/2023 18:19, Nishanth Menon wrote:
> On 16:46-20230929, Roger Quadros wrote:
>> Since commit [1] A53 u-boot proper is broken.
>> This is because nodes marked as 'bootph-pre-ram' are
>> not available at u-boot proper before relocation.
>>
>> To fix this we mark all nodes in sk-u-boot.dtsi as
>> 'bootph-all'.
>>
>> Move vtt_supply and cbass_mcu node to -r5-evm.dts as
>> it is only required for R5 SPL.
>>
>> [1]
>> 9e644284ab812 ("dm: core: Report bootph-pre-ram/sram node as pre-reloc after relocation")
>>
>> Signed-off-by: Roger Quadros <rogerq at kernel.org>
>> ---
>>  arch/arm/dts/k3-am642-evm-u-boot.dtsi | 56 ++++++++++++---------------
>>  arch/arm/dts/k3-am642-r5-evm.dts      |  8 ++++
>>  2 files changed, 32 insertions(+), 32 deletions(-)
>>
>> diff --git a/arch/arm/dts/k3-am642-evm-u-boot.dtsi b/arch/arm/dts/k3-am642-evm-u-boot.dtsi
>> index c85f57d40f..d06955dfbc 100644
>> --- a/arch/arm/dts/k3-am642-evm-u-boot.dtsi
>> +++ b/arch/arm/dts/k3-am642-evm-u-boot.dtsi
>> @@ -11,109 +11,101 @@
>>  	};
>>  
>>  	memory at 80000000 {
>> -		bootph-pre-ram;
>> +		bootph-all;
>>  	};
>>  };
>>  
>> -&vtt_supply {
>> -	bootph-pre-ram;
>> -};
>> -
>>  &cbass_main {
>> -	bootph-pre-ram;
>> -};
>> -
>> -&cbass_mcu {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &main_timer0 {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  	clock-frequency = <200000000>;
>>  };
>>  
>>  &main_conf {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  	chipid at 14 {
>> -		bootph-pre-ram;
>> +		bootph-all;
>>  	};
>>  };
>>  
>>  &main_pmx0 {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &main_i2c0_pins_default {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &main_i2c0 {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &main_uart0_pins_default {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &main_uart0 {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &usb0 {
>>  	dr_mode="peripheral";
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &usbss0 {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &main_mmc1_pins_default {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &main_usb0_pins_default {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &dmss {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &secure_proxy_main {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &dmsc {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  	k3_sysreset: sysreset-controller {
>>  		compatible = "ti,sci-sysreset";
>> -		bootph-pre-ram;
>> +		bootph-all;
>>  	};
>>  };
>>  
>>  &k3_pds {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &k3_clks {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &k3_reset {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &sdhci0 {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &sdhci1 {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &cpsw3g {
>> -	bootph-pre-ram;
>> +	bootph-all;
>>  };
>>  
>>  &cpsw_port2 {
>> diff --git a/arch/arm/dts/k3-am642-r5-evm.dts b/arch/arm/dts/k3-am642-r5-evm.dts
>> index 73461f8f6c..696735d8e2 100644
>> --- a/arch/arm/dts/k3-am642-r5-evm.dts
>> +++ b/arch/arm/dts/k3-am642-r5-evm.dts
>> @@ -40,6 +40,10 @@
>>  	};
>>  };
>>  
>> +&vtt_supply {
>> +	bootph-pre-ram;
>> +};
>> +
>>  &cbass_main {
>>  	sysctrler: sysctrler {
>>  		compatible = "ti,am654-system-controller";
>> @@ -53,6 +57,10 @@
>>  	bootph-pre-ram;
>>  };
>>  
>> +&cbass_mcu {
>> +	bootph-pre-ram;
>> +};
> 
> A bit superfluous, but ok - we just need this atm for esm.

Just moved it from -uboot.dtsi to -r5-evm.dts.

>> +
>>  &mcu_esm {
>>  	bootph-pre-ram;
>>  };
>> -- 
>> 2.34.1
>>
> 
> Reviewed-by: Nishanth Menon <nm at ti.com>
> 

Please see suggestion by Massimo here
https://lore.kernel.org/all/CAC928HY2rZoz6L8za+L20GAsbJCBYOe+k75L_N3aE-78smnLfg@mail.gmail.com/

Do you agree we should change this series to use bootph-some-ram instead?

-- 
cheers,
-roger


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