[PATCH] mx31: add support for the bugbase 1.3 from buglabs

[mkl@pengutronix.de (Marc Kleine-Budde)]

Hello,

(sorry if this mail is sent twice..)

On 02/10/2011 10:15 PM, Denis 'GNUtoo' Carikli wrote:
> This work was based on bug-linux-2.6.30.patch that can be found
>   in buglabs's svn here:
>   svn://bugcamp.net/bug/branches/izzy/experimental
> 
> Note that the hardware schematics and documentations can be obtained
>   here: http://www.bugcommunity.com/wiki/index.php/BUGbase

some nitpicking inside:

> 
> Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo@no-log.org>
> ---
>  arch/arm/mach-mx3/Kconfig            |    9 +++
>  arch/arm/mach-mx3/Makefile           |    1 +
>  arch/arm/mach-mx3/mach-mx31bugbase.c |   97 ++++++++++++++++++++++++++++++++++
>  3 files changed, 107 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/mach-mx3/mach-mx31bugbase.c
> 
> diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
> index de80d98..4f57f13 100644
> --- a/arch/arm/mach-mx3/Kconfig
> +++ b/arch/arm/mach-mx3/Kconfig
> @@ -199,6 +199,15 @@ config MACH_KZM_ARM11_01
>  	  Include support for KZM-ARM11-01. This includes specific
>  	  configurations for the board and its peripherals.
>  
> +config MACH_BUG
> +	bool "Support Buglabs BUGBase platform"
> +	select SOC_IMX31
> +	select IMX_HAVE_PLATFORM_IMX_UART
> +	default y
> +	help
> +	  Include support for BUGBase 1.3 platform. This includes specific
> +	  configurations for the board and its peripherals.
> +
>  config MACH_EUKREA_CPUIMX35
>  	bool "Support Eukrea CPUIMX35 Platform"
>  	select SOC_IMX35
> diff --git a/arch/arm/mach-mx3/Makefile b/arch/arm/mach-mx3/Makefile
> index bc7294f..98e5eb3 100644
> --- a/arch/arm/mach-mx3/Makefile
> +++ b/arch/arm/mach-mx3/Makefile
> @@ -20,6 +20,7 @@ obj-$(CONFIG_MACH_PCM043)	+= mach-pcm043.o
>  obj-$(CONFIG_MACH_ARMADILLO5X0) += mach-armadillo5x0.o
>  obj-$(CONFIG_MACH_MX35_3DS)	+= mach-mx35_3ds.o
>  obj-$(CONFIG_MACH_KZM_ARM11_01)	+= mach-kzm_arm11_01.o
> +obj-$(CONFIG_MACH_BUG)          += mach-mx31bugbase.o
>  obj-$(CONFIG_MACH_EUKREA_CPUIMX35)	+= mach-cpuimx35.o
>  obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD)	+= eukrea_mbimxsd-baseboard.o
>  obj-$(CONFIG_MACH_VPR200)	+= mach-vpr200.o
> diff --git a/arch/arm/mach-mx3/mach-mx31bugbase.c b/arch/arm/mach-mx3/mach-mx31bugbase.c
> new file mode 100644
> index 0000000..e0ad0f0
> --- /dev/null
> +++ b/arch/arm/mach-mx3/mach-mx31bugbase.c
> @@ -0,0 +1,97 @@
> +/*
> + *  Copyright (C) 2000 Deep Blue Solutions Ltd
> + *  Copyright (C) 2002 Shane Nay (shane at minirl.com)
> + *  Copyright 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved.
> + *
> + * 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

The address isn't correct anymore, just remove the paragraph, see commit
aa71251c5b8c673361281fbfd8be5a9ee8b9f4cc.

> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/init.h>
> +#include <linux/platform_device.h>
> +
> +#include <mach/iomux-mx3.h>
> +#include <mach/imx-uart.h>
> +#include <mach/hardware.h>
> +#include <mach/common.h>
> +
> +#include <asm/mach/time.h>
> +#include <asm/mach/arch.h>
> +#include <asm/mach-types.h>
> +
> +#include "devices-imx31.h"
> +
> +/*!
> + * @file mx31bugbase.c
> + *
> + * @brief This file contains the board-specific initialization routines.
> + *
> + * @ingroup System
> + */
> +
> +#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
> +static struct imxuart_platform_data uart_pdata = {
> +	.flags = IMXUART_HAVE_RTSCTS,
> +};
> +
> +static unsigned int uart5_pins[] = {
> +	MX31_PIN_PC_RST__CTS5,
> +	MX31_PIN_PC_VS2__RTS5,
> +	MX31_PIN_PC_BVD2__TXD5,
> +	MX31_PIN_PC_BVD1__RXD5

please add a ","

> +};
> +
> +static inline void mxc_init_imx_uart(void)
> +{
> +	mxc_iomux_setup_multiple_pins(uart5_pins,
> +				ARRAY_SIZE(uart5_pins), "uart-4");
> +	imx31_add_imx_uart4(&uart_pdata);
> +}
> +#else /* !SERIAL_IMX */
> +static inline void mxc_init_imx_uart(void)
> +{
> +}
> +#endif /* !SERIAL_IMX */
> +
> +/*!
> + * Board specific initialization.
> + */
> +static void __init mxc_board_init(void)
> +{
> +	mxc_init_imx_uart();
> +}
> +
> +
> +static void __init mx31bug_timer_init(void)
> +{
> +	mx31_clocks_init(26000000);
> +}
> +
> +static struct sys_timer mx31bug_timer = {
> +	.init	= mx31bug_timer_init,
> +};
> +
> +/*
> + * The following uses standard kernel macros defined in arch.h in order to
> + * initialize __mach_desc_MX31BUG data structure.
> + */
> +
> +MACHINE_START(BUG, "BugLabs BUGBase")
> +	.boot_params    = PHYS_OFFSET + 0x100,
> +	.timer          = &mx31bug_timer,
> +	.map_io         = mx31_map_io,
> +	.init_irq       = mx31_init_irq,
> +	.init_machine   = mxc_board_init,
> +MACHINE_END

cheers, Marc
-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |

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