Re: [PATCH v2] arm64: dts: ti: k3-am642-evm-pcie0-ep: Add boot phase tag to "pcie0_ep"

Hrushikesh Salunke
2025-06-11T08:48:11Z

On 11/06/25 14:14, Vignesh Raghavendra wrote:
>
>
> On 10/06/25 11:19, Hrushikesh Salunke wrote:
>> AM64X SoC has one instance of PCIe which is PCIe0. To support PCIe boot
>> on AM64X SoC, PCIe0 needs to be in endpoint mode and it needs to be
>> functional at all stages of PCIe boot process. Thus add the
>> "bootph-all" boot phase tag to "pcie0_ep" device tree node.
>>
>> Signed-off-by: Hrushikesh Salunke <h-salunke@ti.com>
>> ---
>> This patch is based on commit
>> 475c850a7fdd Add linux-next specific files for 20250606
>>
>> Changes since v1
>> As per feedback from Nishanth, changed the position of "bootph-all"
>> tag, according to ordering rules for device tree properties.
>>
>> v1 : https://lore.kernel.org/all/20250609115930.w2s6jzg7xii55dlu@speckled/
>>
>> arch/arm64/boot/dts/ti/k3-am642-evm-pcie0-ep.dtso | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm-pcie0-ep.dtso b/arch/arm64/boot/dts/ti/k3-am642-evm-pcie0-ep.dtso
>> index 432751774853..a7e8d4ea98ac 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am642-evm-pcie0-ep.dtso
>> +++ b/arch/arm64/boot/dts/ti/k3-am642-evm-pcie0-ep.dtso
>> @@ -46,6 +46,7 @@ pcie0_ep: pcie-ep@f102000 {
>> max-functions = /bits/ 8 <1>;
>> phys = <&serdes0_pcie_link>;
>> phy-names = "pcie-phy";
>> + bootph-all;
>> ti,syscon-pcie-ctrl = <&pcie0_ctrl 0x0>;
>> };
>> };
>
> Are the patches for PCIe boot support merged to U-Boot or such other
> bootloader repo?
> No, they are not in the U-Boot yet. I will be posting patches for PCIe
boot support for U-Boot this week.

Regards,
Hrushikesh