Re: [PATCH v2 2/9] metag: minimal TZ1090 (Comet) SoC infrastructure

[James Hogan <james.hogan@imgtec.com>]

On 24/05/13 17:21, James Hogan wrote:
> Add really minimal support for Toumaz Xenif TZ1090 SoC (A.K.A. Comet).
> This consists of minimal build infrastructure, device tree files, and a
> defconfig based on meta2_defconfig.
> 
> This SoC contains a 2-threaded HTP (Meta 2) as the main application
> processor, and is found in a number of development boards and digital
> radios, such as the Minimorph Development Platform.
> 
> Signed-off-by: James Hogan <james.hogan@imgtec.com>
> Cc: Grant Likely <grant.likely@secretlab.ca>
> Cc: Rob Herring <rob.herring@calxeda.com>
> Cc: Rob Landley <rob@landley.net>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Cc: linux-doc@vger.kernel.org
> Cc: devicetree-discuss@lists.ozlabs.org
> ---
> Changes in v2:
>  - removed arch/metag/soc/ directory

I've applied this patch for v3.11

Cheers
James

> 
>  .../devicetree/bindings/vendor-prefixes.txt        |  1 +
>  arch/metag/Kconfig.soc                             |  9 +++++
>  arch/metag/Makefile                                |  2 +-
>  arch/metag/boot/dts/Makefile                       |  2 ++
>  arch/metag/boot/dts/tz1090.dtsi                    | 29 +++++++++++++++
>  arch/metag/boot/dts/tz1090_generic.dts             | 10 ++++++
>  arch/metag/configs/tz1090_defconfig                | 42 ++++++++++++++++++++++
>  7 files changed, 94 insertions(+), 1 deletion(-)
>  create mode 100644 arch/metag/boot/dts/tz1090.dtsi
>  create mode 100644 arch/metag/boot/dts/tz1090_generic.dts
>  create mode 100644 arch/metag/configs/tz1090_defconfig
> 
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index 6931c43..be80992 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -57,6 +57,7 @@ snps 	Synopsys, Inc.
>  st	STMicroelectronics
>  ste	ST-Ericsson
>  stericsson	ST-Ericsson
> +toumaz	Toumaz
>  ti	Texas Instruments
>  toshiba	Toshiba Corporation
>  via	VIA Technologies, Inc.
> diff --git a/arch/metag/Kconfig.soc b/arch/metag/Kconfig.soc
> index ec079cf..653b479 100644
> --- a/arch/metag/Kconfig.soc
> +++ b/arch/metag/Kconfig.soc
> @@ -14,6 +14,15 @@ config META21_FPGA
>  	help
>  	  This is a Meta 2.1 FPGA bitstream, just a bare CPU.
>  
> +config SOC_TZ1090
> +	bool "Toumaz Xenif TZ1090 SoC (Comet)"
> +	select METAG_LNKGET_AROUND_CACHE
> +	select METAG_META21
> +	select METAG_SMP_WRITE_REORDERING
> +	help
> +	  This is a Toumaz Technology Xenif TZ1090 (A.K.A. Comet) SoC containing
> +	  a 2-threaded HTP.
> +
>  endchoice
>  
>  menu "SoC configuration"
> diff --git a/arch/metag/Makefile b/arch/metag/Makefile
> index b566116..9739857 100644
> --- a/arch/metag/Makefile
> +++ b/arch/metag/Makefile
> @@ -20,7 +20,7 @@ checkflags-$(CONFIG_METAG_META12)	+= -DMETAC_1_2
>  checkflags-$(CONFIG_METAG_META21)	+= -DMETAC_2_1
>  CHECKFLAGS				+= -D__metag__ $(checkflags-y)
>  
> -KBUILD_DEFCONFIG			:= meta2_defconfig
> +KBUILD_DEFCONFIG			:= tz1090_defconfig
>  
>  sflags-$(CONFIG_METAG_META12)		+= -mmetac=1.2
>  ifeq ($(CONFIG_METAG_META12),y)
> diff --git a/arch/metag/boot/dts/Makefile b/arch/metag/boot/dts/Makefile
> index dbd9521..72c1218 100644
> --- a/arch/metag/boot/dts/Makefile
> +++ b/arch/metag/boot/dts/Makefile
> @@ -1,7 +1,9 @@
>  dtb-y	+= skeleton.dtb
> +dtb-y	+= tz1090_generic.dtb
>  
>  # Built-in dtb
>  builtindtb-y				:= skeleton
> +builtindtb-$(CONFIG_SOC_TZ1090)		:= tz1090_generic
>  
>  ifneq ($(CONFIG_METAG_BUILTIN_DTB_NAME),"")
>  	builtindtb-y			:= $(patsubst "%",%,$(CONFIG_METAG_BUILTIN_DTB_NAME))
> diff --git a/arch/metag/boot/dts/tz1090.dtsi b/arch/metag/boot/dts/tz1090.dtsi
> new file mode 100644
> index 0000000..ca057f0
> --- /dev/null
> +++ b/arch/metag/boot/dts/tz1090.dtsi
> @@ -0,0 +1,29 @@
> +/*
> + * Copyright (C) 2012 Imagination Technologies Ltd.
> + *
> + * 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/ "skeleton.dtsi"
> +
> +/ {
> +	compatible = "toumaz,tz1090", "img,meta";
> +
> +	interrupt-parent = <&intc>;
> +
> +	intc: interrupt-controller {
> +		compatible = "img,meta-intc";
> +		interrupt-controller;
> +		#interrupt-cells = <2>;
> +		num-banks = <2>;
> +	};
> +
> +	soc {
> +		compatible = "simple-bus";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges;
> +	};
> +};
> diff --git a/arch/metag/boot/dts/tz1090_generic.dts b/arch/metag/boot/dts/tz1090_generic.dts
> new file mode 100644
> index 0000000..aa826cb
> --- /dev/null
> +++ b/arch/metag/boot/dts/tz1090_generic.dts
> @@ -0,0 +1,10 @@
> +/*
> + * Copyright (C) 2012 Imagination Technologies Ltd.
> + *
> + * 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/ "tz1090.dtsi"
> diff --git a/arch/metag/configs/tz1090_defconfig b/arch/metag/configs/tz1090_defconfig
> new file mode 100644
> index 0000000..9f9316a
> --- /dev/null
> +++ b/arch/metag/configs/tz1090_defconfig
> @@ -0,0 +1,42 @@
> +# CONFIG_LOCALVERSION_AUTO is not set
> +# CONFIG_SWAP is not set
> +CONFIG_SYSVIPC=y
> +CONFIG_SYSFS_DEPRECATED=y
> +CONFIG_SYSFS_DEPRECATED_V2=y
> +CONFIG_KALLSYMS_ALL=y
> +# CONFIG_ELF_CORE is not set
> +CONFIG_SLAB=y
> +# CONFIG_BLK_DEV_BSG is not set
> +CONFIG_PARTITION_ADVANCED=y
> +# CONFIG_MSDOS_PARTITION is not set
> +# CONFIG_IOSCHED_DEADLINE is not set
> +# CONFIG_IOSCHED_CFQ is not set
> +CONFIG_FLATMEM_MANUAL=y
> +CONFIG_SOC_TZ1090=y
> +CONFIG_METAG_HALT_ON_PANIC=y
> +# CONFIG_METAG_FPU is not set
> +CONFIG_METAG_DA=y
> +CONFIG_HZ_100=y
> +CONFIG_DEVTMPFS=y
> +# CONFIG_STANDALONE is not set
> +# CONFIG_PREVENT_FIRMWARE_BUILD is not set
> +# CONFIG_FW_LOADER is not set
> +CONFIG_BLK_DEV_RAM=y
> +CONFIG_BLK_DEV_RAM_COUNT=1
> +CONFIG_BLK_DEV_RAM_SIZE=16384
> +# CONFIG_INPUT is not set
> +# CONFIG_SERIO is not set
> +# CONFIG_VT is not set
> +# CONFIG_LEGACY_PTYS is not set
> +CONFIG_DA_TTY=y
> +CONFIG_DA_CONSOLE=y
> +# CONFIG_DEVKMEM is not set
> +# CONFIG_HW_RANDOM is not set
> +CONFIG_GPIOLIB=y
> +# CONFIG_HWMON is not set
> +# CONFIG_USB_SUPPORT is not set
> +# CONFIG_DNOTIFY is not set
> +CONFIG_TMPFS=y
> +# CONFIG_MISC_FILESYSTEMS is not set
> +# CONFIG_SCHED_DEBUG is not set
> +CONFIG_DEBUG_INFO=y
>