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Message-Id: <201009131256.36523.marek.vasut@gmail.com>
Date: Mon, 13 Sep 2010 12:56:36 +0200
From: Marek Vasut <marek.vasut@...il.com>
To: linux-arm-kernel@...ts.infradead.org
Cc: Maxim Osipov <maxim.osipov@...il.com>,
Russell King <linux@....linux.org.uk>,
Andrew Victor <linux@...im.org.za>,
Nicolas Ferre <nicolas.ferre@...el.com>,
"Jean-Christophe PLAGNIOL-VILLARD" <plagnioj@...osoft.com>,
"Antonio R. Costa" <costa.antonior@...il.com>,
Ernst Schwab <eschwab@...ine.de>,
Andrew Morton <akpm@...ux-foundation.org>,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] AT91: Add flexibity board support
Dne Po 13. září 2010 12:18:44 Maxim Osipov napsal(a):
> Hello,
>
> This patch adds support for AT91 Flexibity board.
>
> Kind regards,
> Maxim
>
> From ccb19f0d6dbda5356e64c1ce5d0fe1396c548f1a Mon Sep 17 00:00:00 2001
> From: Maxim Osipov <maxim.osipov@...il.com>
> Date: Sun, 12 Sep 2010 16:23:48 +0400
> Subject: [PATCH v2] AT91: Add flexibity board support
>
> Signed-off-by: Maxim Osipov <maxim.osipov@...il.com>
> ---
> arch/arm/mach-at91/Kconfig | 6 ++
> arch/arm/mach-at91/Makefile | 1 +
> arch/arm/mach-at91/board-flexibity.c | 166
> ++++++++++++++++++++++++++++++++++ 3 files changed, 173 insertions(+), 0
> deletions(-)
> create mode 100644 arch/arm/mach-at91/board-flexibity.c
>
> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
> index 939bccd..ca33862 100644
> --- a/arch/arm/mach-at91/Kconfig
> +++ b/arch/arm/mach-at91/Kconfig
> @@ -248,6 +248,12 @@ config MACH_CPU9260
> Select this if you are using a Eukrea Electromatique's
> CPU9260 Board <http://www.eukrea.com/>
>
> +config MACH_FLEXIBITY
> + bool "Flexibity Connect board"
> + help
> + Select this if you are using Flexibity Connect board
> + <http://www.flexibity.com>
> +
> endif
>
> # ----------------------------------------------------------
> diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
> index ca2ac00..7cbe06d 100644
> --- a/arch/arm/mach-at91/Makefile
> +++ b/arch/arm/mach-at91/Makefile
> @@ -46,6 +46,7 @@ obj-$(CONFIG_MACH_USB_A9260) += board-usb-a9260.o
> obj-$(CONFIG_MACH_QIL_A9260) += board-qil-a9260.o
> obj-$(CONFIG_MACH_AFEB9260) += board-afeb-9260v1.o
> obj-$(CONFIG_MACH_CPU9260) += board-cpu9krea.o
> +obj-$(CONFIG_MACH_FLEXIBITY) += board-flexibity.o
>
> # AT91SAM9261 board-specific support
> obj-$(CONFIG_MACH_AT91SAM9261EK) += board-sam9261ek.o
> diff --git a/arch/arm/mach-at91/board-flexibity.c
> b/arch/arm/mach-at91/board-flexibity.c new file mode 100644
> index 0000000..a589077
> --- /dev/null
> +++ b/arch/arm/mach-at91/board-flexibity.c
> @@ -0,0 +1,166 @@
> +/*
> + * linux/arch/arm/mach-at91/board-flexibity.c
> + *
> + * Copyright (C) 2010 Flexibity
> + * Copyright (C) 2005 SAN People
> + * Copyright (C) 2006 Atmel
> + *
> + * 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.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
> USA + */
> +
> +#include <linux/init.h>
> +#include <linux/platform_device.h>
> +#include <linux/spi/spi.h>
> +#include <linux/input.h>
> +
> +#include <asm/mach-types.h>
> +
> +#include <asm/mach/arch.h>
> +#include <asm/mach/map.h>
> +#include <asm/mach/irq.h>
> +
> +#include <mach/hardware.h>
> +#include <mach/board.h>
> +#include <mach/gpio.h>
#include <linux/gpio.h>
btw. don't you want to modularize this code a bit ? check how mach-pxa/z2.c or
mach-pxa/vpac270.c is done for example.
Cheers
> +
> +#include "generic.h"
> +
> +
> +static void __init flexibity_map_io(void)
> +{
> + /* Initialize processor: 18.432 MHz crystal */
> + at91sam9260_initialize(18432000);
> +
> + /* DBGU on ttyS0. (Rx & Tx only) */
> + at91_register_uart(0, 0, 0);
> +
> + /* set serial console to ttyS0 (ie, DBGU) */
> + at91_set_serial_console(0);
> +}
> +
> +static void __init flexibity_init_irq(void)
> +{
> + at91sam9260_init_interrupts(NULL);
> +}
> +
> +
> +/* USB Host port */
> +static struct at91_usbh_data __initdata flexibity_usbh_data = {
> + .ports = 2,
> +};
> +
> +/* USB Device port */
> +static struct at91_udc_data __initdata flexibity_udc_data = {
> + .vbus_pin = AT91_PIN_PC5,
> + .pullup_pin = 0, /* pull-up driven by UDC */
> +};
> +
> +/* SPI devices */
> +static struct spi_board_info flexibity_spi_devices[] = {
> + { /* DataFlash chip */
> + .modalias = "mtd_dataflash",
> + .chip_select = 1,
> + .max_speed_hz = 15 * 1000 * 1000,
> + .bus_num = 0,
> + },
> +};
> +
> +/* MCI (SD/MMC) */
> +static struct at91_mmc_data __initdata flexibity_mmc_data = {
> + .slot_b = 0,
> + .wire4 = 1,
> + .det_pin = AT91_PIN_PC9,
> + .wp_pin = AT91_PIN_PC4,
> +};
> +
> +/* LEDs */
> +static struct gpio_led flexibity_leds[] = {
> + {
> + .name = "usb1:green",
> + .gpio = AT91_PIN_PA12,
> + .active_low = 1,
> + .default_trigger = "default-on",
> + },
> + {
> + .name = "usb1:red",
> + .gpio = AT91_PIN_PA13,
> + .active_low = 1,
> + .default_trigger = "default-on",
> + },
> + {
> + .name = "usb2:green",
> + .gpio = AT91_PIN_PB26,
> + .active_low = 1,
> + .default_trigger = "default-on",
> + },
> + {
> + .name = "usb2:red",
> + .gpio = AT91_PIN_PB27,
> + .active_low = 1,
> + .default_trigger = "default-on",
> + },
> + {
> + .name = "usb3:green",
> + .gpio = AT91_PIN_PC8,
> + .active_low = 1,
> + .default_trigger = "default-on",
> + },
> + {
> + .name = "usb3:red",
> + .gpio = AT91_PIN_PC6,
> + .active_low = 1,
> + .default_trigger = "default-on",
> + },
> + {
> + .name = "usb4:green",
> + .gpio = AT91_PIN_PB4,
> + .active_low = 1,
> + .default_trigger = "default-on",
> + },
> + {
> + .name = "usb4:red",
> + .gpio = AT91_PIN_PB5,
> + .active_low = 1,
> + .default_trigger = "default-on",
> + }
> +};
> +
> +static void __init flexibity_board_init(void)
> +{
> + /* Serial */
> + at91_add_device_serial();
> + /* USB Host */
> + at91_add_device_usbh(&flexibity_usbh_data);
> + /* USB Device */
> + at91_add_device_udc(&flexibity_udc_data);
> + /* SPI */
> + at91_add_device_spi(flexibity_spi_devices,
> + ARRAY_SIZE(flexibity_spi_devices));
> + /* MMC */
> + at91_add_device_mmc(0, &flexibity_mmc_data);
> + /* LEDs */
> + at91_gpio_leds(flexibity_leds, ARRAY_SIZE(flexibity_leds));
> +}
> +
> +MACHINE_START(FLEXIBITY, "Flexibity Connect")
> + /* Maintainer: Maxim Osipov */
> + .phys_io = AT91_BASE_SYS,
> + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
> + .boot_params = AT91_SDRAM_BASE + 0x100,
> + .timer = &at91sam926x_timer,
> + .map_io = flexibity_map_io,
> + .init_irq = flexibity_init_irq,
> + .init_machine = flexibity_board_init,
> +MACHINE_END
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