[PATCH V4 2/8] arm: dts: imx8m: update binman ddr firmware node name

Peng Fan (OSS) peng.fan at oss.nxp.com
Mon May 23 09:01:34 CEST 2022


> Subject: Re: [PATCH V4 2/8] arm: dts: imx8m: update binman ddr firmware
> node name
> 
> On 20/05/2022 17:10, Peng Fan (OSS) wrote:
> > From: Peng Fan <peng.fan at nxp.com>
> >
> > We are migrating to use BINMAN SYMBOLS, the current name is not a
> > valid binman type, so update to use blob-ext@[1,2,3,4].
> >
> > Tested-by: Tim Harvey <tharvey at gateworks.com> #imx8m[m,n,p]-venice
> > Signed-off-by: Peng Fan <peng.fan at nxp.com>
> > ---
> >  arch/arm/dts/imx8mm-u-boot.dtsi                   | 8 ++++----
> >  arch/arm/dts/imx8mn-bsh-smm-s2-u-boot-common.dtsi | 4 ++--
> > arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi  | 8 ++++----
> >  arch/arm/dts/imx8mn-venice-u-boot.dtsi            | 8 ++++----
> >  arch/arm/dts/imx8mq-u-boot.dtsi                   | 8 ++++----
> >  5 files changed, 18 insertions(+), 18 deletions(-)
> 
> I think descriptive entry names are better in general, so I prefer the old names
> to a bunch of 'blob-ext's. Symbol resolution is done using the entry names
> anyway, I don't see why this change would be necessary.

Binman understand blob-ext, it not understand 1d-imem. If keep id-imem, or else,
need to add several new binman types which I would not prefer.

Thanks,
Peng.

> 
> In any case, the names and labels should be consistent across the different dts
> files, assuming the blobs have the same purpose / meaning.
> I see that labels starting with digits cause a dtc parse error, so the entries could
> be `imem_1d: imem-1d { ... };` and so on.
> 
> Also, the blobs essentially look the same to me aside from their filenames, just
> duplicated over different imx8m* variants and boards.
> Maybe binman parts could be unified into a single dtsi file later on?
> (Filename differences can be handled by new 'blob_named_by_arg's btw.)
> 
> > diff --git a/arch/arm/dts/imx8mm-u-boot.dtsi
> > b/arch/arm/dts/imx8mm-u-boot.dtsi index 9f66cdb65a9..5de55a2d80b
> > 100644
> > --- a/arch/arm/dts/imx8mm-u-boot.dtsi
> > +++ b/arch/arm/dts/imx8mm-u-boot.dtsi
> > @@ -39,25 +39,25 @@
> >  			filename = "u-boot-spl.bin";
> >  		};
> >
> > -		1d-imem {
> > +		imem_1d: blob-ext at 1 {
> >  			filename = "lpddr4_pmu_train_1d_imem.bin";
> >  			size = <0x8000>;
> >  			type = "blob-ext";
> >  		};
> >
> > -		1d-dmem {
> > +		dmem_1d: blob-ext at 2 {
> >  			filename = "lpddr4_pmu_train_1d_dmem.bin";
> >  			size = <0x4000>;
> >  			type = "blob-ext";
> >  		};
> >
> > -		2d-imem {
> > +		imem_2d: blob-ext at 3 {
> >  			filename = "lpddr4_pmu_train_2d_imem.bin";
> >  			size = <0x8000>;
> >  			type = "blob-ext";
> >  		};
> >
> > -		2d-dmem {
> > +		dmem_2d: blob-ext at 4 {
> >  			filename = "lpddr4_pmu_train_2d_dmem.bin";
> >  			size = <0x4000>;
> >  			type = "blob-ext";
> > diff --git a/arch/arm/dts/imx8mn-bsh-smm-s2-u-boot-common.dtsi
> > b/arch/arm/dts/imx8mn-bsh-smm-s2-u-boot-common.dtsi
> > index 46a9d7fd78b..5a52b73d7e9 100644
> > --- a/arch/arm/dts/imx8mn-bsh-smm-s2-u-boot-common.dtsi
> > +++ b/arch/arm/dts/imx8mn-bsh-smm-s2-u-boot-common.dtsi
> > @@ -111,13 +111,13 @@
> >  			filename = "u-boot-spl.bin";
> >  		};
> >
> > -		1d-imem {
> > +		imem_1d: blob-ext at 1 {
> >  			filename = "ddr3_imem_1d.bin";
> >  			size = <0x8000>;
> >  			type = "blob-ext";
> >  		};
> >
> > -		1d_dmem {
> > +		dmem_1d: blob-ext at 2 {
> >  			filename = "ddr3_dmem_1d.bin";
> >  			size = <0x4000>;
> >  			type = "blob-ext";
> > diff --git a/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi
> > b/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi
> > index 6e37622cca7..001e725f568 100644
> > --- a/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi
> > +++ b/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi
> > @@ -130,25 +130,25 @@
> >  			filename = "u-boot-spl.bin";
> >  		};
> >
> > -		1d-imem {
> > +		blob_1: blob-ext at 1 {
> >  			filename = "ddr4_imem_1d.bin";
> >  			size = <0x8000>;
> >  			type = "blob-ext";
> >  		};
> >
> > -		1d_dmem {
> > +		blob_2: blob-ext at 2 {
> >  			filename = "ddr4_dmem_1d.bin";
> >  			size = <0x4000>;
> >  			type = "blob-ext";
> >  		};
> >
> > -		2d_imem {
> > +		blob_3: blob-ext at 3 {
> >  			filename = "ddr4_imem_2d.bin";
> >  			size = <0x8000>;
> >  			type = "blob-ext";
> >  		};
> >
> > -		2d_dmem {
> > +		blob_4: blob-ext at 4 {
> >  			filename = "ddr4_dmem_2d.bin";
> >  			size = <0x4000>;
> >  			type = "blob-ext";
> > diff --git a/arch/arm/dts/imx8mn-venice-u-boot.dtsi
> > b/arch/arm/dts/imx8mn-venice-u-boot.dtsi
> > index 35819553879..67922146963 100644
> > --- a/arch/arm/dts/imx8mn-venice-u-boot.dtsi
> > +++ b/arch/arm/dts/imx8mn-venice-u-boot.dtsi
> > @@ -126,25 +126,25 @@
> >  			filename = "u-boot-spl.bin";
> >  		};
> >
> > -		1d-imem {
> > +		imem_1d: blob-ext at 1 {
> >  			filename = "lpddr4_pmu_train_1d_imem.bin";
> >  			size = <0x8000>;
> >  			type = "blob-ext";
> >  		};
> >
> > -		1d_dmem {
> > +		dmem_1d: blob-ext at 2 {
> >  			filename = "lpddr4_pmu_train_1d_dmem.bin";
> >  			size = <0x4000>;
> >  			type = "blob-ext";
> >  		};
> >
> > -		2d_imem {
> > +		imem_2d: blob-ext at 3 {
> >  			filename = "lpddr4_pmu_train_2d_imem.bin";
> >  			size = <0x8000>;
> >  			type = "blob-ext";
> >  		};
> >
> > -		2d_dmem {
> > +		dmem_2d: blob-ext at 4 {
> >  			filename = "lpddr4_pmu_train_2d_dmem.bin";
> >  			size = <0x4000>;
> >  			type = "blob-ext";
> > diff --git a/arch/arm/dts/imx8mq-u-boot.dtsi
> > b/arch/arm/dts/imx8mq-u-boot.dtsi index 912a3d4a356..389414ad26f
> > 100644
> > --- a/arch/arm/dts/imx8mq-u-boot.dtsi
> > +++ b/arch/arm/dts/imx8mq-u-boot.dtsi
> > @@ -46,25 +46,25 @@
> >  			filename = "u-boot-spl.bin";
> >  		};
> >
> > -		1d-imem {
> > +		imem_1d: blob-ext at 1 {
> >  			filename = "lpddr4_pmu_train_1d_imem.bin";
> >  			size = <0x8000>;
> >  			type = "blob-ext";
> >  		};
> >
> > -		1d-dmem {
> > +		dmem_1d: blob-ext at 2 {
> >  			filename = "lpddr4_pmu_train_1d_dmem.bin";
> >  			size = <0x4000>;
> >  			type = "blob-ext";
> >  		};
> >
> > -		2d-imem {
> > +		imem_2d: blob-ext at 3 {
> >  			filename = "lpddr4_pmu_train_2d_imem.bin";
> >  			size = <0x8000>;
> >  			type = "blob-ext";
> >  		};
> >
> > -		2d-dmem {
> > +		dmem_2d: blob-ext at 4 {
> >  			filename = "lpddr4_pmu_train_2d_dmem.bin";
> >  			size = <0x4000>;
> >  			type = "blob-ext";


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