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Commit bac07ecd authored by Daniel Mack's avatar Daniel Mack Committed by Eric Miao
Browse files

[ARM] pxa: Colibri PXA320 module basics 



This adds basic support for Colibri PXA320 modules.
The file colibri-320.c only contains settings specific to this module,
such as the Ethernet interface.

Cc: Matthias Meier <matthias.j.meier@gmx.net>
Signed-off-by: default avatarDaniel Mack <daniel@caiaq.de>
Signed-off-by: default avatarEric Miao <eric.miao@marvell.com>
parent acb36559

arch/arm/mach-pxa/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -270,6 +270,11 @@ config MACH_COLIBRI300 
	select PXA3xx

	select CPU_PXA300



config MACH_COLIBRI320

	bool "Toradex Colibri PXA320"

	select PXA3xx

	select CPU_PXA320



config MACH_ZYLONITE

	bool "PXA3xx Development Platform (aka Zylonite)"

	select PXA3xx

arch/arm/mach-pxa/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ obj-$(CONFIG_ARCH_PXA_IDP) += idp.o 
obj-$(CONFIG_MACH_TRIZEPS4)	+= trizeps4.o

obj-$(CONFIG_MACH_COLIBRI)	+= colibri-pxa270.o

obj-$(CONFIG_MACH_COLIBRI300)	+= colibri-pxa3xx.o colibri-pxa300.o

obj-$(CONFIG_MACH_COLIBRI320)	+= colibri-pxa3xx.o colibri-pxa320.o

obj-$(CONFIG_MACH_H5000)	+= h5000.o

obj-$(CONFIG_PXA_SHARP_C7xx)	+= corgi.o sharpsl_pm.o corgi_pm.o

obj-$(CONFIG_PXA_SHARP_Cxx00)	+= spitz.o sharpsl_pm.o spitz_pm.o

arch/arm/mach-pxa/colibri-pxa320.c

0 → 100644
+128 −0
Original line number Diff line number Diff line 
/*

 *  arch/arm/mach-pxa/colibri-pxa320.c

 *

 *  Support for Toradex PXA320/310 based Colibri module

 *

 *  Daniel Mack <daniel@caiaq.de>

 *  Matthias Meier <matthias.j.meier@gmx.net>

 *

 *  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.

 */



#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/platform_device.h>

#include <linux/gpio.h>

#include <net/ax88796.h>



#include <asm/mach-types.h>

#include <asm/sizes.h>

#include <asm/mach/arch.h>

#include <asm/mach/irq.h>



#include <mach/pxa3xx-regs.h>

#include <mach/mfp-pxa320.h>

#include <mach/colibri.h>

#include <mach/ohci.h>



#include "generic.h"

#include "devices.h"



#if defined(CONFIG_AX88796)

#define COLIBRI_ETH_IRQ_GPIO	mfp_to_gpio(GPIO36_GPIO)



/*

 * Asix AX88796 Ethernet

 */

static struct ax_plat_data colibri_asix_platdata = {

	.flags		= AXFLG_MAC_FROMDEV,

	.wordlength	= 2

};



static struct resource colibri_asix_resource[] = {

	[0] = {

		.start = PXA3xx_CS2_PHYS,

		.end   = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,

		.flags = IORESOURCE_MEM,

	},

	[1] = {

		.start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),

		.end   = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),

		.flags = IORESOURCE_IRQ

	}

};



static struct platform_device asix_device = {

	.name		= "ax88796",

	.id		= 0,

	.num_resources 	= ARRAY_SIZE(colibri_asix_resource),

	.resource	= colibri_asix_resource,

	.dev		= {

		.platform_data = &colibri_asix_platdata

	}

};



static mfp_cfg_t colibri_pxa320_eth_pin_config[] __initdata = {

	GPIO3_nCS2,			/* AX88796 chip select */

	GPIO36_GPIO | MFP_PULL_HIGH	/* AX88796 IRQ */

};



static void __init colibri_pxa320_init_eth(void)

{

	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config));

	set_irq_type(gpio_to_irq(COLIBRI_ETH_IRQ_GPIO), IRQ_TYPE_EDGE_FALLING);

	platform_device_register(&asix_device);

}

#else

static inline void __init colibri_pxa320_init_eth(void) {}

#endif /* CONFIG_AX88796 */



#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)

static mfp_cfg_t colibri_pxa320_usb_pin_config[] __initdata = {

	GPIO2_2_USBH_PEN,

	GPIO3_2_USBH_PWR,

};



static struct pxaohci_platform_data colibri_pxa320_ohci_info = {

	.port_mode	= PMM_GLOBAL_MODE,

	.flags		= ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,

};



void __init colibri_pxa320_init_ohci(void)

{

	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_usb_pin_config));

	pxa_set_ohci_info(&colibri_pxa320_ohci_info);

}

#else

static inline void colibri_pxa320_init_ohci(void) {}

#endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */



static mfp_cfg_t colibri_pxa320_mmc_pin_config[] __initdata = {

	GPIO22_MMC1_CLK,

	GPIO23_MMC1_CMD,

	GPIO18_MMC1_DAT0,

	GPIO19_MMC1_DAT1,

	GPIO20_MMC1_DAT2,

	GPIO21_MMC1_DAT3

};



void __init colibri_pxa320_init(void)

{

	colibri_pxa320_init_eth();

	colibri_pxa320_init_ohci();

	colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa320_mmc_pin_config),

				mfp_to_gpio(MFP_PIN_GPIO28));

}



MACHINE_START(COLIBRI320, "Toradex Colibri PXA320")

	.phys_io	= 0x40000000,

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

	.boot_params	= COLIBRI_SDRAM_BASE + 0x100,

	.init_machine	= colibri_pxa320_init,

	.map_io		= pxa_map_io,

	.init_irq	= pxa3xx_init_irq,

	.timer		= &pxa_timer,

MACHINE_END