Messages in this thread Patch in this message | | | Date | Tue, 13 Jan 2015 09:37:48 +0800 | From | Bo Shen <> | Subject | Re: [PATCH 4/6] ARM: at91/dt: add SRAM nodes |
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Hi Alexandre,
On 01/13/2015 03:01 AM, Alexandre Belloni wrote: > Add nodes for the SRAM available on atmel SoCs > > Remove leftover TODOs in the sam9g45 file > > Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> > --- > arch/arm/boot/dts/at91rm9200.dtsi | 5 +++++ > arch/arm/boot/dts/at91sam9260.dtsi | 5 +++++ > arch/arm/boot/dts/at91sam9261.dtsi | 5 +++++ > arch/arm/boot/dts/at91sam9263.dtsi | 10 ++++++++++ > arch/arm/boot/dts/at91sam9g20.dtsi | 9 +++++++++ > arch/arm/boot/dts/at91sam9g45.dtsi | 7 +++++-- > arch/arm/boot/dts/at91sam9n12.dtsi | 5 +++++ > arch/arm/boot/dts/at91sam9rl.dtsi | 5 +++++ > arch/arm/boot/dts/at91sam9x5.dtsi | 5 +++++ > arch/arm/boot/dts/sama5d3.dtsi | 5 +++++ > arch/arm/boot/dts/sama5d4.dtsi | 5 +++++ > 11 files changed, 64 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi > index f449a864b81e..21c2b504f977 100644 > --- a/arch/arm/boot/dts/at91rm9200.dtsi > +++ b/arch/arm/boot/dts/at91rm9200.dtsi > @@ -66,6 +66,11 @@ > }; > }; > > + sram: sram@00200000 { > + compatible = "mmio-sram"; > + reg = <0x00200000 0x4000>; > + }; > + > ahb { > compatible = "simple-bus"; > #address-cells = <1>; > diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi > index dd1313cbc314..6f52cb2eacd8 100644 > --- a/arch/arm/boot/dts/at91sam9260.dtsi > +++ b/arch/arm/boot/dts/at91sam9260.dtsi > @@ -69,6 +69,11 @@ > }; > }; > > + sram0: sram@002ff000 {
Why here is 002ff000, while not 00200000?
> + compatible = "mmio-sram"; > + reg = <0x00200000 0x2000>; > + }; > + > ahb { > compatible = "simple-bus"; > #address-cells = <1>; > diff --git a/arch/arm/boot/dts/at91sam9261.dtsi b/arch/arm/boot/dts/at91sam9261.dtsi > index cdb9ed612109..e247b0b5fdab 100644 > --- a/arch/arm/boot/dts/at91sam9261.dtsi > +++ b/arch/arm/boot/dts/at91sam9261.dtsi > @@ -60,6 +60,11 @@ > }; > }; > > + sram: sram@00300000 { > + compatible = "mmio-sram"; > + reg = <0x00300000 0x28000>; > + }; > + > ahb { > compatible = "simple-bus"; > #address-cells = <1>; > diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi > index ef8a70c27439..8a210d5033b1 100644 > --- a/arch/arm/boot/dts/at91sam9263.dtsi > +++ b/arch/arm/boot/dts/at91sam9263.dtsi > @@ -62,6 +62,16 @@ > }; > }; > > + sram0: sram@00300000 { > + compatible = "mmio-sram"; > + reg = <0x00300000 0x14000>; > + }; > + > + sram1: sram@00500000 { > + compatible = "mmio-sram"; > + reg = <0x00300000 0x4000>; > + }; > + > ahb { > compatible = "simple-bus"; > #address-cells = <1>; > diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi > index a50ee587a7af..9012fe9d7758 100644 > --- a/arch/arm/boot/dts/at91sam9g20.dtsi > +++ b/arch/arm/boot/dts/at91sam9g20.dtsi > @@ -16,6 +16,15 @@ > reg = <0x20000000 0x08000000>; > }; > > + sram0: sram@002ff000 {
Why here is 002ff000, while not 00200000?
> + status = "disabled";
Btw, why it needs set to disabled.
> + }; > + > + sram1: sram@002fc000 {
Why here is 002fc000, while not 00300000? And length is on 0x4000.
> + compatible = "mmio-sram"; > + reg = <0x00200000 0x8000>; > + }; > + > ahb { > apb { > i2c0: i2c@fffac000 { > diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi > index 2a8da8a884b4..ee80aa9c0759 100644 > --- a/arch/arm/boot/dts/at91sam9g45.dtsi > +++ b/arch/arm/boot/dts/at91sam9g45.dtsi > @@ -74,6 +74,11 @@ > }; > }; > > + sram: sram@00300000 { > + compatible = "mmio-sram"; > + reg = <0x00300000 0x10000>; > + }; > + > ahb { > compatible = "simple-bus"; > #address-cells = <1>; > @@ -1287,7 +1292,6 @@ > compatible = "atmel,at91rm9200-ohci", "usb-ohci"; > reg = <0x00700000 0x100000>; > interrupts = <22 IRQ_TYPE_LEVEL_HIGH 2>; > - //TODO > clocks = <&usb>, <&uhphs_clk>, <&uhphs_clk>, <&uhpck>; > clock-names = "usb_clk", "ohci_clk", "hclk", "uhpck"; > status = "disabled"; > @@ -1297,7 +1301,6 @@ > compatible = "atmel,at91sam9g45-ehci", "usb-ehci"; > reg = <0x00800000 0x100000>; > interrupts = <22 IRQ_TYPE_LEVEL_HIGH 2>; > - //TODO > clocks = <&usb>, <&uhphs_clk>, <&uhphs_clk>, <&uhpck>; > clock-names = "usb_clk", "ehci_clk", "hclk", "uhpck"; > status = "disabled"; > diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi > index a7218bcc6a25..6ea7ee3b8ff8 100644 > --- a/arch/arm/boot/dts/at91sam9n12.dtsi > +++ b/arch/arm/boot/dts/at91sam9n12.dtsi > @@ -64,6 +64,11 @@ > }; > }; > > + sram: sram@00300000 { > + compatible = "mmio-sram"; > + reg = <0x00300000 0x8000>; > + }; > + > ahb { > compatible = "simple-bus"; > #address-cells = <1>; > diff --git a/arch/arm/boot/dts/at91sam9rl.dtsi b/arch/arm/boot/dts/at91sam9rl.dtsi > index 72424371413e..c055da2f151f 100644 > --- a/arch/arm/boot/dts/at91sam9rl.dtsi > +++ b/arch/arm/boot/dts/at91sam9rl.dtsi > @@ -70,6 +70,11 @@ > }; > }; > > + sram: sram@00300000 { > + compatible = "mmio-sram"; > + reg = <0x00300000 0x4000>; > + }; > + > ahb { > compatible = "simple-bus"; > #address-cells = <1>; > diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi > index bbb3ba65165f..818dabdd8c0e 100644 > --- a/arch/arm/boot/dts/at91sam9x5.dtsi > +++ b/arch/arm/boot/dts/at91sam9x5.dtsi > @@ -72,6 +72,11 @@ > }; > }; > > + sram: sram@00300000 { > + compatible = "mmio-sram"; > + reg = <0x00300000 0x8000>; > + }; > + > ahb { > compatible = "simple-bus"; > #address-cells = <1>; > diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi > index d701ddda0e00..e17614fe58a9 100644 > --- a/arch/arm/boot/dts/sama5d3.dtsi > +++ b/arch/arm/boot/dts/sama5d3.dtsi > @@ -78,6 +78,11 @@ > }; > }; > > + sram: sram@00300000 { > + compatible = "mmio-sram"; > + reg = <0x00300000 0x20000>; > + }; > + > ahb { > compatible = "simple-bus"; > #address-cells = <1>; > diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi > index 0a2477fe5525..1b4fe4e19721 100644 > --- a/arch/arm/boot/dts/sama5d4.dtsi > +++ b/arch/arm/boot/dts/sama5d4.dtsi > @@ -103,6 +103,11 @@ > }; > }; > > + ns_sram: sram@00210000 { > + compatible = "mmio-sram"; > + reg = <0x00210000 0x10000>; > + }; > + > ahb { > compatible = "simple-bus"; > #address-cells = <1>; >
Best Regards, Bo Shen
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