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Commit 1553a1ec authored by Fabio Estevam's avatar Fabio Estevam Committed by Sascha Hauer
Browse files

Add basic support for MX31PDK board. 

Add basic support to the MX31PDK development board, also known
as MX31 3DS or MX31 3-stack board (http://www.freescale.com/imx31pdk

).

Signed-off-by: default avatarFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: default avatarsascha Hauer <s.hauer@pengutronix.de>
parent 3dad21a9

arch/arm/mach-mx3/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -21,5 +21,12 @@ config MACH_MX31LITE 
	  Include support for MX31 LITEKIT platform. This includes specific

	  configurations for the board and its peripherals.



config MACH_MX31_3DS

	bool "Support MX31PDK (3DS)"

	default n

	help

	  Include support for MX31PDK (3DS) platform. This includes specific

	  configurations for the board and its peripherals.



endmenu

arch/arm/mach-mx3/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -8,3 +8,4 @@ obj-y := mm.o clock.o devices.o iomux.o 
obj-$(CONFIG_MACH_MX31ADS)	+= mx31ads.o

obj-$(CONFIG_MACH_MX31LITE)	+= mx31lite.o

obj-$(CONFIG_MACH_PCM037)	+= pcm037.o

obj-$(CONFIG_MACH_MX31_3DS)	+= mx31pdk.o

arch/arm/mach-mx3/mx31pdk.c

0 → 100644
+115 −0
Original line number Diff line number Diff line 
/*

 *  Copyright 2008 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

 */



#include <linux/types.h>

#include <linux/init.h>

#include <linux/clk.h>

#include <linux/irq.h>



#include <mach/hardware.h>

#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <asm/mach/time.h>

#include <asm/memory.h>

#include <asm/mach/map.h>

#include <mach/common.h>

#include <mach/board-mx31pdk.h>

#include <mach/imx-uart.h>

#include <mach/iomux-mx3.h>

#include "devices.h"



/*!

 * @file mx31pdk.c

 *

 * @brief This file contains the board-specific initialization routines.

 *

 * @ingroup System

 */



static struct imxuart_platform_data uart_pdata = {

	.flags = IMXUART_HAVE_RTSCTS,

};



static inline void mxc_init_imx_uart(void)

{

	mxc_iomux_mode(MX31_PIN_CTS1__CTS1);

	mxc_iomux_mode(MX31_PIN_RTS1__RTS1);

	mxc_iomux_mode(MX31_PIN_TXD1__TXD1);

	mxc_iomux_mode(MX31_PIN_RXD1__RXD1);



	mxc_register_device(&mxc_uart_device0, &uart_pdata);

}



/*!

 * This structure defines static mappings for the i.MX31PDK board.

 */

static struct map_desc mx31pdk_io_desc[] __initdata = {

	{

		.virtual	= AIPS1_BASE_ADDR_VIRT,

		.pfn		= __phys_to_pfn(AIPS1_BASE_ADDR),

		.length		= AIPS1_SIZE,

		.type		= MT_DEVICE_NONSHARED

	}, {

		.virtual	= AIPS2_BASE_ADDR_VIRT,

		.pfn		= __phys_to_pfn(AIPS2_BASE_ADDR),

		.length		= AIPS2_SIZE,

		.type		= MT_DEVICE_NONSHARED

	},

};



/*!

 * Set up static virtual mappings.

 */

static void __init mx31pdk_map_io(void)

{

	mxc_map_io();

	iotable_init(mx31pdk_io_desc, ARRAY_SIZE(mx31pdk_io_desc));

}



/*!

 * Board specific initialization.

 */

static void __init mxc_board_init(void)

{

	mxc_init_imx_uart();

}



static void __init mx31pdk_timer_init(void)

{

	mxc_clocks_init(26000000);

	mxc_timer_init("ipg_clk.0");

}



static struct sys_timer mx31pdk_timer = {

	.init	= mx31pdk_timer_init,

};



/*

 * The following uses standard kernel macros defined in arch.h in order to

 * initialize __mach_desc_MX31PDK data structure.

 */

MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")

	/* Maintainer: Freescale Semiconductor, Inc. */

	.phys_io	= AIPS1_BASE_ADDR,

	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,

	.boot_params    = PHYS_OFFSET + 0x100,

	.map_io         = mx31pdk_map_io,

	.init_irq       = mxc_init_irq,

	.init_machine   = mxc_board_init,

	.timer          = &mx31pdk_timer,

MACHINE_END

arch/arm/plat-mxc/include/mach/board-mx31pdk.h

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+19 −0
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/*

 * Copyright 2008 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 version 2 as

 * published by the Free Software Foundation.

 */



#ifndef __ASM_ARCH_MXC_BOARD_MX31PDK_H__

#define __ASM_ARCH_MXC_BOARD_MX31PDK_H__



/* mandatory for CONFIG_LL_DEBUG */



#define MXC_LL_UART_PADDR	UART1_BASE_ADDR

#define MXC_LL_UART_VADDR	AIPS1_IO_ADDRESS(UART1_BASE_ADDR)



#endif /* __ASM_ARCH_MXC_BOARD_MX31PDK_H__ */

arch/arm/plat-mxc/include/mach/debug-macro.S

+3 −0
Original line number Diff line number Diff line
@@ -27,6 +27,9 @@ 
#endif

#ifdef CONFIG_MACH_PCM038

#include <mach/board-pcm038.h>

#endif

#ifdef CONFIG_MACH_MX31_3DS

#include <mach/board-mx31pdk.h>

#endif

		.macro	addruart,rx

		mrc	p15, 0, \rx, c1, c0