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Commit 90b8fc34 authored by Jaya Kumar's avatar Jaya Kumar Committed by Russell King
Browse files

[ARM] 4867/1: Adds flash, udc, mci support for gumstix F boards 



This patch implements support for Gumstix-F flash, udc and mci. Fixes since the last time are:
- Steve Sakoman as maintainer
- cleanup for udc and mci setup

Signed-off-by: default avatarJaya Kumar <jayakumar.lkml@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 4354e188

MAINTAINERS

+6 −0
Original line number Diff line number Diff line
@@ -480,6 +480,12 @@ M: kernel@wantstofly.org 
L:	linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)

S:	Maintained



ARM/GUMSTIX MACHINE SUPPORT

P:	Steve Sakoman

M:	sakoman@gmail.com

L:	linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only)

S:	Maintained



ARM/HP JORNADA 7XX MACHINE SUPPORT

P:      Kristoffer Ericson

M:      kristoffer.ericson@gmail.com

arch/arm/configs/am200epdkit_defconfig

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+1149 −0

File added.

Preview size limit exceeded, changes collapsed.

arch/arm/mach-pxa/Kconfig

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@@ -23,6 +23,12 @@ endif 
choice

	prompt "Select target board"



config ARCH_GUMSTIX

	bool "Gumstix XScale boards"

	help

	  Say Y here if you intend to run this kernel on a

	  Gumstix Full Function Minature Computer.



config ARCH_LUBBOCK

	bool "Intel DBPXA250 Development Platform"

	select PXA25x
@@ -160,6 +166,20 @@ endchoice 


endif



if ARCH_GUMSTIX



choice

	prompt "Select target Gumstix board"



config MACH_GUMSTIX_F

	bool "Basix, Connex, ws-200ax, ws-400ax systems"

	select PXA25x



endchoice



endif





if MACH_TRIZEPS4



choice

arch/arm/mach-pxa/Makefile

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@@ -12,6 +12,7 @@ obj-$(CONFIG_CPU_PXA300) += pxa300.o 
obj-$(CONFIG_CPU_PXA320)	+= pxa320.o



# Specific board support

obj-$(CONFIG_ARCH_GUMSTIX)	+= gumstix.o

obj-$(CONFIG_ARCH_LUBBOCK)	+= lubbock.o

obj-$(CONFIG_MACH_LOGICPD_PXA270) += lpd270.o

obj-$(CONFIG_MACH_MAINSTONE)	+= mainstone.o

arch/arm/mach-pxa/gumstix.c

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/*

 *  linux/arch/arm/mach-pxa/gumstix.c

 *

 *  Support for the Gumstix motherboards.

 *

 *  Original Author:	Craig Hughes

 *  Created:	Feb 14, 2008

 *  Copyright:	Craig Hughes

 *

 *  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.

 *

 *  Implemented based on lubbock.c by Nicolas Pitre and code from Craig

 *  Hughes

 */



#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/platform_device.h>

#include <linux/interrupt.h>

#include <linux/mtd/mtd.h>

#include <linux/mtd/partitions.h>



#include <asm/setup.h>

#include <asm/memory.h>

#include <asm/mach-types.h>

#include <asm/hardware.h>

#include <asm/irq.h>

#include <asm/sizes.h>



#include <asm/mach/arch.h>

#include <asm/mach/map.h>

#include <asm/mach/irq.h>

#include <asm/mach/flash.h>

#include <asm/arch/mmc.h>

#include <asm/arch/udc.h>

#include <asm/arch/gumstix.h>



#include <asm/arch/pxa-regs.h>

#include <asm/arch/pxa2xx-regs.h>



#include "generic.h"



static struct resource flash_resource = {

	.start	= 0x00000000,

	.end	= SZ_64M - 1,

	.flags	= IORESOURCE_MEM,

};



static struct mtd_partition gumstix_partitions[] = {

	{

		.name =		"Bootloader",

		.size =		0x00040000,

		.offset =	0,

		.mask_flags =	MTD_WRITEABLE  /* force read-only */

	} , {

		.name =		"rootfs",

		.size =		MTDPART_SIZ_FULL,

		.offset =	MTDPART_OFS_APPEND

	}

};



static struct flash_platform_data gumstix_flash_data = {

	.map_name	= "cfi_probe",

	.parts		= gumstix_partitions,

	.nr_parts	= ARRAY_SIZE(gumstix_partitions),

	.width		= 2,

};



static struct platform_device gumstix_flash_device = {

	.name		= "pxa2xx-flash",

	.id		= 0,

	.dev = {

		.platform_data = &gumstix_flash_data,

	},

	.resource = &flash_resource,

	.num_resources = 1,

};



static struct platform_device *devices[] __initdata = {

	&gumstix_flash_device,

};



#ifdef CONFIG_MMC_PXA

static struct pxamci_platform_data gumstix_mci_platform_data;



static int gumstix_mci_init(struct device *dev, irq_handler_t detect_int,

				void *data)

{

	pxa_gpio_mode(GPIO6_MMCCLK_MD);

	pxa_gpio_mode(GPIO53_MMCCLK_MD);

	pxa_gpio_mode(GPIO8_MMCCS0_MD);



	return 0;

}



static struct pxamci_platform_data gumstix_mci_platform_data = {

	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,

	.init		= gumstix_mci_init,

};



static void __init gumstix_mmc_init(void)

{

	pxa_set_mci_info(&gumstix_mci_platform_data);

}

#else

static void __init gumstix_mmc_init(void)

{

	printk(KERN_INFO "Gumstix mmc disabled\n");

}

#endif



#ifdef CONFIG_USB_GADGET_PXA2XX

static struct pxa2xx_udc_mach_info gumstix_udc_info __initdata = {

	.gpio_vbus		= GPIO_GUMSTIX_USB_GPIOn,

	.gpio_pullup		= GPIO_GUMSTIX_USB_GPIOx,

};



static void __init gumstix_udc_init(void)

{

	pxa_set_udc_info(&gumstix_udc_info);

}

#else

static void gumstix_udc_init(void)

{

	printk(KERN_INFO "Gumstix udc is disabled\n");

}

#endif



static void __init gumstix_init(void)

{

	gumstix_udc_init();

	gumstix_mmc_init();

	(void) platform_add_devices(devices, ARRAY_SIZE(devices));

}



MACHINE_START(GUMSTIX, "Gumstix")

	.phys_io	= 0x40000000,

	.boot_params	= 0xa0000100, /* match u-boot bi_boot_params */

	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,

	.map_io		= pxa_map_io,

	.init_irq	= pxa25x_init_irq,

	.timer		= &pxa_timer,

	.init_machine	= gumstix_init,

MACHINE_END