Re: [PATCH 5/5] ARM: zynq: add support for zc702 development board

[Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>]

On 18:48 Sat 02 Mar     , Josh Cartwright wrote:
> 
> Signed-off-by: Josh Cartwright <joshc@eso.teric.us>
> ---
>  arch/arm/Makefile                     |  2 +
>  arch/arm/boards/zynq-zc702/Makefile   |  1 +
>  arch/arm/boards/zynq-zc702/config.h   |  0
>  arch/arm/boards/zynq-zc702/devices.c  | 70 +++++++++++++++++++++++++++++++++++
>  arch/arm/boards/zynq-zc702/lowlevel.c | 28 ++++++++++++++
>  arch/arm/mach-zynq/Kconfig            | 19 ++++++++++
>  6 files changed, 120 insertions(+)
>  create mode 100644 arch/arm/boards/zynq-zc702/Makefile
>  create mode 100644 arch/arm/boards/zynq-zc702/config.h
>  create mode 100644 arch/arm/boards/zynq-zc702/devices.c
>  create mode 100644 arch/arm/boards/zynq-zc702/lowlevel.c
> 
> diff --git a/arch/arm/Makefile b/arch/arm/Makefile
> index fcb2969..9073a55 100644
> --- a/arch/arm/Makefile
> +++ b/arch/arm/Makefile
> @@ -64,6 +64,7 @@ machine-$(CONFIG_ARCH_PXA)		:= pxa
>  machine-$(CONFIG_ARCH_SAMSUNG)		:= samsung
>  machine-$(CONFIG_ARCH_VERSATILE)	:= versatile
>  machine-$(CONFIG_ARCH_TEGRA)		:= tegra
> +machine-$(CONFIG_ARCH_ZYNQ)		:= zynq
>  
>  # Board directory name.  This list is sorted alphanumerically
>  # by CONFIG_* macro name.
> @@ -157,6 +158,7 @@ board-$(CONFIG_MACH_SABRELITE)			:= freescale-mx6-sabrelite
>  board-$(CONFIG_MACH_TX53)			:= karo-tx53
>  board-$(CONFIG_MACH_GUF_VINCELL)		:= guf-vincell
>  board-$(CONFIG_MACH_EFIKA_MX_SMARTBOOK)		:= efika-mx-smartbook
> +board-$(CONFIG_MACH_ZYNQ_ZC702)			:= zynq-zc702
>  
>  machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y))
>  
> diff --git a/arch/arm/boards/zynq-zc702/Makefile b/arch/arm/boards/zynq-zc702/Makefile
> new file mode 100644
> index 0000000..385bd9f
> --- /dev/null
> +++ b/arch/arm/boards/zynq-zc702/Makefile
> @@ -0,0 +1 @@
> +obj-y += lowlevel.o devices.o
> diff --git a/arch/arm/boards/zynq-zc702/config.h b/arch/arm/boards/zynq-zc702/config.h
> new file mode 100644
> index 0000000..e69de29
> diff --git a/arch/arm/boards/zynq-zc702/devices.c b/arch/arm/boards/zynq-zc702/devices.c
> new file mode 100644
> index 0000000..b9ec9f3
> --- /dev/null
> +++ b/arch/arm/boards/zynq-zc702/devices.c
> @@ -0,0 +1,70 @@
> +/*
> + * Copyright (c) 2013 Josh Cartwright <joshc@eso.teric.us>
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms and conditions of the GNU General Public License,
> + * version 2, as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope 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.
> + *
> + * You should have received a copy of the GNU General Public License along with
> + * this program.  If not, see <http://www.gnu.org/licenses/>.
> + */
> +#include <common.h>
> +#include <driver.h>
> +#include <init.h>
> +#include <sizes.h>
> +
> +#include <asm/memory.h>
> +
> +static struct resource smp_twd_resource = {
> +	.name	= "smp_twd_base",
> +	.start	= 0xF8F00600,
> +	.end	= 0xF8F00610,
> +	.flags	= IORESOURCE_MEM,
> +};
> +
> +static struct device_d zynq_smp_twd = {
> +	.id		= DEVICE_ID_DYNAMIC,
> +	.name		= "smp_twd",
> +	.num_resources	= 1,
> +	.resource	= &smp_twd_resource,
> +};
> +
> +static struct resource zynq_serial_resource = {
> +	.name	= "zynq_serial_base",
> +	.start	= 0xE0001000,
> +	.end	= 0xE0001048,
> +	.flags	= IORESOURCE_MEM,
> +};
> +
> +static struct device_d zynq_serial = {
> +	.id		= DEVICE_ID_DYNAMIC,
> +	.name		= "zynq_serial",
> +	.num_resources	= 1,
> +	.resource	= &zynq_serial_resource,
> +};

use generic code to register the devices
> +
> +static int zc702_console_init(void)
> +{
> +	platform_device_register(&zynq_serial);
> +	return 0;
> +}
> +console_initcall(zc702_console_init);
> +
> +static int zc702_mem_init(void)
> +{
> +	arm_add_mem_device("ram0", 0, SZ_128M);
> +	return 0;
> +}
> +mem_initcall(zc702_mem_init);
> +
> +static int zc702_twd_init(void)
> +{
> +	platform_device_register(&zynq_smp_twd);
> +	return 0;
> +}
> +coredevice_initcall(zc702_twd_init);
> diff --git a/arch/arm/boards/zynq-zc702/lowlevel.c b/arch/arm/boards/zynq-zc702/lowlevel.c
> new file mode 100644
> index 0000000..662d969
> --- /dev/null
> +++ b/arch/arm/boards/zynq-zc702/lowlevel.c
> @@ -0,0 +1,28 @@
> +/*
> + * Copyright (c) 2013 Josh Cartwright <joshc@eso.teric.us>
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms and conditions of the GNU General Public License,
> + * version 2, as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope 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.
> + *
> + * You should have received a copy of the GNU General Public License along with
> + * this program.  If not, see <http://www.gnu.org/licenses/>.
> + */
> +#include <common.h>
> +#include <init.h>
> +#include <asm/barebox-arm.h>
> +#include <asm/barebox-arm-head.h>
> +
> +#include <mach/slcr.h>
> +
> +void __naked __bare_init barebox_arm_reset_vector(void)
> +{
> +	slcr_unlock();
> +	arm_cpu_lowlevel_init();
> +	barebox_arm_entry(0x8000, SZ_128M, 0);
can you detect the ddr size
> +}
> diff --git a/arch/arm/mach-zynq/Kconfig b/arch/arm/mach-zynq/Kconfig
> index 90b17f3..992a485 100644
> --- a/arch/arm/mach-zynq/Kconfig
> +++ b/arch/arm/mach-zynq/Kconfig
> @@ -1,3 +1,22 @@
>  if ARCH_ZYNQ
>  
> +config ARCH_TEXT_BASE
> +	hex
> +	default 0x04000000 if MACH_ZYNQ_ZC702
> +
> +config ZYNQ_PS_CLK_FREQ
> +	int
> +	default 33333330 if MACH_ZYNQ_ZC702
move it to C
> +
> +config BOARDINFO
> +	default "Xilinx Zynq zc702 dev board" if MACH_ZYNQ_ZC702
> +
> +choice
> +	prompt "Xilinx Zynq zc702 dev board"
> +
> +config MACH_ZYNQ_ZC702
> +	bool "zc702 development board"
> +
> +endchoice
> +
>  endif
> -- 
> 1.8.1.2
> 
> 
> _______________________________________________

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