[RFC] ARM: mvebu: Add Plathome Kirkwood Openblocks A6 board support

Sebastian Hesselbarth sebastian.hesselbarth at gmail.com
Mon Aug 11 11:23:01 PDT 2014 

On August 11, 2014 2:50:22 PM Ezequiel Garcia 
<ezequiel.garcia at free-electrons.com> wrote:

> This commit adds a new Marvell Kirkwood-based board. This is an almost blind
> copy-paste of the currently supported boards, and so I'm sending it as an RFC.
>
> Signed-off-by: Ezequiel Garcia <ezequiel.garcia at free-electrons.com>
> ---
>  arch/arm/boards/Makefile                          |  1 +
>  arch/arm/boards/plathome-openblocks-a6/Makefile   |  2 ++
>  arch/arm/boards/plathome-openblocks-a6/board.c    |  1 +
>  arch/arm/boards/plathome-openblocks-a6/lowlevel.c | 32 +++++++++++++++++++++++
>  arch/arm/dts/Makefile                             |  1 +
>  arch/arm/dts/kirkwood-openblocks_a6-bb.dts        | 11 ++++++++
>  arch/arm/mach-mvebu/Kconfig                       |  3 +++
>  images/Makefile.mvebu                             | 11 ++++++++
>  8 files changed, 62 insertions(+)
>  create mode 100644 arch/arm/boards/plathome-openblocks-a6/Makefile
>  create mode 100644 arch/arm/boards/plathome-openblocks-a6/board.c
>  create mode 100644 arch/arm/boards/plathome-openblocks-a6/lowlevel.c
>  create mode 100644 arch/arm/dts/kirkwood-openblocks_a6-bb.dts
>
> diff --git a/arch/arm/boards/Makefile b/arch/arm/boards/Makefile
> index c60da81..122f5cd 100644
> --- a/arch/arm/boards/Makefile
> +++ b/arch/arm/boards/Makefile
> @@ -79,6 +79,7 @@ obj-$(CONFIG_MACH_PCM049)			+= phytec-phycore-omap4460/
>  obj-$(CONFIG_MACH_PCM051)			+= phytec-phycore-am335x/
>  obj-$(CONFIG_MACH_PHYTEC_PFLA02)		+= phytec-phyflex-imx6/
>  obj-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_AX3)	+= plathome-openblocks-ax3/
> +obj-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_A6)	+= plathome-openblocks-a6/
>  obj-$(CONFIG_MACH_PM9261)			+= pm9261/
>  obj-$(CONFIG_MACH_PM9263)			+= pm9263/
>  obj-$(CONFIG_MACH_PM9G45)			+= pm9g45/
> diff --git a/arch/arm/boards/plathome-openblocks-a6/Makefile 
> b/arch/arm/boards/plathome-openblocks-a6/Makefile
> new file mode 100644
> index 0000000..01c7a25
> --- /dev/null
> +++ b/arch/arm/boards/plathome-openblocks-a6/Makefile
> @@ -0,0 +1,2 @@
> +obj-y += board.o
> +lwl-y += lowlevel.o
> diff --git a/arch/arm/boards/plathome-openblocks-a6/board.c 
> b/arch/arm/boards/plathome-openblocks-a6/board.c
> new file mode 100644
> index 0000000..40a8c17
> --- /dev/null
> +++ b/arch/arm/boards/plathome-openblocks-a6/board.c
> @@ -0,0 +1 @@
> +/* empty */
> diff --git a/arch/arm/boards/plathome-openblocks-a6/lowlevel.c 
> b/arch/arm/boards/plathome-openblocks-a6/lowlevel.c
> new file mode 100644
> index 0000000..b37a3d6
> --- /dev/null
> +++ b/arch/arm/boards/plathome-openblocks-a6/lowlevel.c
> @@ -0,0 +1,32 @@
> +/*
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + */
> +
> +#include <common.h>
> +#include <sizes.h>
> +#include <asm/barebox-arm.h>
> +#include <asm/barebox-arm-head.h>
> +#include <mach/lowlevel.h>
> +
> +extern char __dtb_kirkwood_openblocks_a6_bb_start[];
> +
> +ENTRY_FUNCTION(start_plathome_openblocks_a6, r0, r1, r2)
> +{
> +	void *fdt;
> +
> +	arm_cpu_lowlevel_init();
> +
> +	fdt = __dtb_kirkwood_openblocks_a6_bb_start -
> +		get_runtime_offset();
> +
> +	mvebu_barebox_entry(fdt);
> +}
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index 9bff8a0..4b8d58a 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -23,6 +23,7 @@ pbl-dtb-$(CONFIG_MACH_PCM038) += 
> imx27-phytec-phycore-rdk.dtb.o
>  pbl-dtb-$(CONFIG_MACH_PCM051) += am335x-phytec-phycore.dtb.o
>  pbl-dtb-$(CONFIG_MACH_PHYTEC_PFLA02) += imx6s-phytec-pbab01.dtb.o 
>  imx6dl-phytec-pbab01.dtb.o imx6q-phytec-pbab01.dtb.o
>  pbl-dtb-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_AX3) += 
>  armada-xp-openblocks-ax3-4-bb.dtb.o
> +pbl-dtb-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_A6) += 
> kirkwood-openblocks_a6-bb.dtb.o
>  pbl-dtb-$(CONFIG_MACH_RADXA_ROCK) += rk3188-radxarock.dtb.o
>  pbl-dtb-$(CONFIG_MACH_REALQ7) += imx6q-dmo-edmqmx6.dtb.o
>  pbl-dtb-$(CONFIG_MACH_SABRELITE) += imx6q-sabrelite.dtb.o 
>  imx6dl-sabrelite.dtb.o
> diff --git a/arch/arm/dts/kirkwood-openblocks_a6-bb.dts 
> b/arch/arm/dts/kirkwood-openblocks_a6-bb.dts
> new file mode 100644
> index 0000000..84e06cd
> --- /dev/null
> +++ b/arch/arm/dts/kirkwood-openblocks_a6-bb.dts
> @@ -0,0 +1,11 @@
> +/*
> + * Barebox specific DT overlay for OpenBlocks A6 board
> + */
> +
> +#include "arm/kirkwood-openblocks_a6.dts"
> +
> +/ {
> +	chosen {
> +		stdout-path = "/ocp at f1000000/serial at 12000";

Nit: above serial node on Kirkwood has a label, i.e. you should use &uart0 
instead. Also, this should go into the upstream dts, too.

Sebastian

> +	};
> +};
> diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
> index 131f3a6..3270f92 100644
> --- a/arch/arm/mach-mvebu/Kconfig
> +++ b/arch/arm/mach-mvebu/Kconfig
> @@ -81,6 +81,9 @@ if ARCH_KIRKWOOD
>  config MACH_GLOBALSCALE_GURUPLUG
>  	bool "Guruplug"
>
> +config MACH_PLATHOME_OPENBLOCKS_A6
> +	bool "PlatHome OpenBlocks A6"
> +
>  config MACH_USI_TOPKICK
>  	bool "Topkick"
>
> diff --git a/images/Makefile.mvebu b/images/Makefile.mvebu
> index 009807d..5e90855 100644
> --- a/images/Makefile.mvebu
> +++ b/images/Makefile.mvebu
> @@ -72,6 +72,17 @@ image-$(CONFIG_MACH_GLOBALSCALE_GURUPLUG) += 
> barebox-globalscale-guruplug.img
>  image-$(CONFIG_MACH_GLOBALSCALE_GURUPLUG) += 
>  barebox-globalscale-guruplug-uart.img
>  image-$(CONFIG_MACH_GLOBALSCALE_GURUPLUG) += 
>  barebox-globalscale-guruplug-2nd.img
>
> +PLATHOME_OPENBLOCKS_A6_KWBOPTS = ${KWBOPTS} -i 
> $(board)/plathome-openblocks-a6/kwbimage.cfg
> +OPTS_start_plathome_openblocks_a6.pblx.kwbimg = 
> $(PLATHOME_OPENBLOCKS_A6_KWBOPTS)
> +OPTS_start_plathome_openblocks_a6.pblx.kwbuartimg = -m uart 
> $(PLATHOME_OPENBLOCKS_A6_KWBOPTS)
> +FILE_barebox-plathome-openblocks-a6.img   = 
> start_plathome_openblocks_a6.pblx.kwbimg
> +FILE_barebox-plathome-openblocks-a6-uart.img = 
> start_plathome_openblocks_a6.pblx.kwbuartimg
> +FILE_barebox-plathome-openblocks-a6-2nd.img = 
> start_plathome_openblocks_a6.pblx
> +pblx-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_A6) += start_plathome_openblocks_a6
> +image-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_A6) += 
> barebox-plathome-openblocks-a6.img
> +image-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_A6) += 
> barebox-plathome-openblocks-a6-uart.img
> +image-$(CONFIG_MACH_PLATHOME_OPENBLOCKS_A6) += 
> barebox-plathome-openblocks-a6-2nd.img
> +
>  USI_TOPKICK_KWBOPTS = ${KWBOPTS} -i $(board)/usi-topkick/kwbimage.cfg
>  OPTS_start_usi_topkick.pblx.kwbimg = $(USI_TOPKICK_KWBOPTS)
>  OPTS_start_usi_topkick.pblx.kwbuartimg = -m uart $(USI_TOPKICK_KWBOPTS)
> --
> 2.0.1
>

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