Re: [PATCH v2 3/3] arm64: dts: qcom: eliza: Add IMEM node

[Konrad Dybcio]

On 4/16/26 12:09 PM, Krzysztof Kozlowski wrote:
> On 16/04/2026 11:40, Alexander Koskovich wrote:
>> Add a node for the IMEM found on Eliza, which contains pil-reloc-info
>> and the modem tables for IPA, among others.
>>
>> Signed-off-by: Alexander Koskovich <akoskovich@xxxxx>
>> ---
>>  arch/arm64/boot/dts/qcom/eliza.dtsi | 20 ++++++++++++++++++++
>>  1 file changed, 20 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/eliza.dtsi b/arch/arm64/boot/dts/qcom/eliza.dtsi
>> index 6fa5679c1a62..551df07e44c6 100644
>> --- a/arch/arm64/boot/dts/qcom/eliza.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/eliza.dtsi
>> @@ -1029,6 +1029,26 @@ qup_uart14_default: qup-uart14-default-state {
>>  			};
>>  		};
>>  
>> +		sram@14680000 {
>> +			compatible = "qcom,eliza-imem", "mmio-sram";
>> +			reg = <0x0 0x14680000 0x0 0x2c000>;
>> +			ranges = <0x0 0x0 0x14680000 0x2c000>;
>> +
>> +			no-memory-wc;
>> +
>> +			#address-cells = <1>;
>> +			#size-cells = <1>;
>> +
>> +			pilreloc-sram@94c {
>> +				compatible = "qcom,pil-reloc-info";
>> +				reg = <0x94c 0xc8>;
>> +			};
>> +
>> +			ipa_modem_tables: modem-tables-sram@3000 {
>> +				reg = <0x3000 0x2000>;
> 
> I don't think these two should be in the main SoC DTSI. The non-modem
> version obviously does not have modem-tables.

That's not quite right, IMEM is partitioned to have it either way, even
if it stays unused. You'll notice this slice is there even on platforms
that were designed with no modem in any SKU

Konrad