| Message ID | 1371218572-8993-8-git-send-email-chander.kashyap@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi, > diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts > new file mode 100644 > index 0000000..43f0eb8 > --- /dev/null > +++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts > @@ -0,0 +1,40 @@ > +/* > + * SAMSUNG SMDK5420 board device tree source > + * > + * Copyright (c) 2013 Samsung Electronics Co., Ltd. > + * http://www.samsung.com > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > +*/ > + > +/dts-v1/; > +#include "exynos5420.dtsi" > + > +/ { > + model = "Samsung SMDK5420 board based on EXYNOS5420"; > + compatible = "samsung,smdk5420", "samsung,exynos5420"; > + > + memory { > + reg = <0x20000000 0x10000000 > + 0x30000000 0x10000000 > + 0x40000000 0x10000000 > + 0x50000000 0x10000000 > + 0x60000000 0x10000000 > + 0x70000000 0x10000000 > + 0x80000000 0x10000000 > + 0x90000000 0x10000000>; > + }; As splitting these into 256MB banks is a workaround for an implementation issue, there should at least be a comment to that effect. It would be far nicer if this were described as one bank and the kernel could split it up as necessary when using sparsemem. Thanks, Mark. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 17 June 2013 14:22, Alim Akhtar <alim.akhtar@gmail.com> wrote: > Hi Chander and Mark > > > On Mon, Jun 17, 2013 at 2:16 PM, Mark Rutland <mark.rutland@arm.com> wrote: >> >> Hi, >> >> > diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts >> > b/arch/arm/boot/dts/exynos5420-smdk5420.dts >> > new file mode 100644 >> > index 0000000..43f0eb8 >> > --- /dev/null >> > +++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts >> > @@ -0,0 +1,40 @@ >> > +/* >> > + * SAMSUNG SMDK5420 board device tree source >> > + * >> > + * Copyright (c) 2013 Samsung Electronics Co., Ltd. >> > + * http://www.samsung.com >> > + * >> > + * This program is free software; you can redistribute it and/or modify >> > + * it under the terms of the GNU General Public License version 2 as >> > + * published by the Free Software Foundation. >> > +*/ >> > + >> > +/dts-v1/; >> > +#include "exynos5420.dtsi" >> > + >> > +/ { >> > + model = "Samsung SMDK5420 board based on EXYNOS5420"; >> > + compatible = "samsung,smdk5420", "samsung,exynos5420"; >> > + >> > + memory { >> > + reg = <0x20000000 0x10000000 >> > + 0x30000000 0x10000000 >> > + 0x40000000 0x10000000 >> > + 0x50000000 0x10000000 >> > + 0x60000000 0x10000000 >> > + 0x70000000 0x10000000 >> > + 0x80000000 0x10000000 >> > + 0x90000000 0x10000000>; >> > + }; >> >> As splitting these into 256MB banks is a workaround for an implementation >> issue, there should at least be a comment to that effect. >> >> It would be far nicer if this were described as one bank and the kernel >> could >> split it up as necessary when using sparsemem. >> > Yes, I thing this is not needed at all, the bootloader should be setting > this for us. > Either remove this completly or just add as single bank of memory, like > starting address and the size. I will convert it to single bank and resend. > >> Thanks, >> Mark. >> -- >> To unsubscribe from this list: send the line "unsubscribe >> linux-samsung-soc" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- > Regards, > Alim -- with warm regards, Chander Kashyap -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index f0895c5..5efa7e0 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -57,6 +57,7 @@ dtb-$(CONFIG_ARCH_EXYNOS) += exynos4210-origen.dtb \ exynos5440-sd5v1.dtb \ exynos5250-smdk5250.dtb \ exynos5250-snow.dtb \ + exynos5420-smdk5420.dtb \ exynos5440-ssdk5440.dtb dtb-$(CONFIG_ARCH_HIGHBANK) += highbank.dtb \ ecx-2000.dtb diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts b/arch/arm/boot/dts/exynos5420-smdk5420.dts new file mode 100644 index 0000000..43f0eb8 --- /dev/null +++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts @@ -0,0 +1,40 @@ +/* + * SAMSUNG SMDK5420 board device tree source + * + * Copyright (c) 2013 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +/dts-v1/; +#include "exynos5420.dtsi" + +/ { + model = "Samsung SMDK5420 board based on EXYNOS5420"; + compatible = "samsung,smdk5420", "samsung,exynos5420"; + + memory { + reg = <0x20000000 0x10000000 + 0x30000000 0x10000000 + 0x40000000 0x10000000 + 0x50000000 0x10000000 + 0x60000000 0x10000000 + 0x70000000 0x10000000 + 0x80000000 0x10000000 + 0x90000000 0x10000000>; + }; + + chosen { + bootargs = "console=ttySAC2,115200 init=/linuxrc"; + }; + + fixed-rate-clocks { + oscclk { + compatible = "samsung,exynos5420-oscclk"; + clock-frequency = <24000000>; + }; + }; +}; diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi new file mode 100644 index 0000000..0c0b134 --- /dev/null +++ b/arch/arm/boot/dts/exynos5420.dtsi @@ -0,0 +1,104 @@ +/* + * SAMSUNG EXYNOS5420 SoC device tree source + * + * Copyright (c) 2013 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * SAMSUNG EXYNOS54200 SoC device nodes are listed in this file. + * EXYNOS5420 based board files can include this file and provide + * values for board specfic bindings. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include "exynos5.dtsi" +/ { + compatible = "samsung,exynos5420"; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a15"; + reg = <0x0>; + clock-frequency = <800000000>; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a15"; + reg = <0x1>; + clock-frequency = <800000000>; + }; + + cpu2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a15"; + reg = <0x2>; + clock-frequency = <800000000>; + }; + + cpu3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a15"; + reg = <0x3>; + clock-frequency = <800000000>; + }; + }; + + clock: clock-controller@0x10010000 { + compatible = "samsung,exynos5420-clock"; + reg = <0x10010000 0x30000>; + #clock-cells = <1>; + }; + + mct@101C0000 { + compatible = "samsung,exynos4210-mct"; + reg = <0x101C0000 0x800>; + interrupt-controller; + #interrups-cells = <2>; + interrupt-parent = <&mct_map>; + interrupts = <0 0>, <1 0>, <2 0>, <3 0>, + <4 0>, <5 0>, <6 0>, <7 0>; + clocks = <&clock 1>, <&clock 315>; + clock-names = "fin_pll", "mct"; + + mct_map: mct-map { + #interrupt-cells = <2>; + #address-cells = <0>; + #size-cells = <0>; + interrupt-map = <0x0 0 &combiner 23 3>, + <0x1 0 &combiner 23 4>, + <0x2 0 &combiner 25 2>, + <0x3 0 &combiner 25 3>, + <0x4 0 &gic 0 120 0>, + <0x5 0 &gic 0 121 0>, + <0x6 0 &gic 0 122 0>, + <0x7 0 &gic 0 123 0>; + }; + }; + + serial@12C00000 { + clocks = <&clock 257>, <&clock 128>; + clock-names = "uart", "clk_uart_baud0"; + }; + + serial@12C10000 { + clocks = <&clock 258>, <&clock 129>; + clock-names = "uart", "clk_uart_baud0"; + }; + + serial@12C20000 { + clocks = <&clock 259>, <&clock 130>; + clock-names = "uart", "clk_uart_baud0"; + }; + + serial@12C30000 { + clocks = <&clock 260>, <&clock 131>; + clock-names = "uart", "clk_uart_baud0"; + }; +};
Add initial device tree nodes for Exynos5420 SoC and SMDK5420 board. Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org> --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/exynos5420-smdk5420.dts | 40 +++++++++++ arch/arm/boot/dts/exynos5420.dtsi | 104 +++++++++++++++++++++++++++++ 3 files changed, 145 insertions(+) create mode 100644 arch/arm/boot/dts/exynos5420-smdk5420.dts create mode 100644 arch/arm/boot/dts/exynos5420.dtsi