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Commit cb07625d authored by Sascha Hauer's avatar Sascha Hauer
Browse files

ARM i.MX ehci: factor out soc specific functions 



Currently we have a mxc_initialize_usb_hw which is called on every
i.MX SoC. This function dispatches the different SoC types, which
is quite ugly. This patch moves the SoC specific USB initialization
to their correspondive mach directories.

Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent f19693a1

arch/arm/mach-imx/Makefile

+2 −2
Original line number Original line Diff line number Diff line
@@ -9,10 +9,10 @@ obj-$(CONFIG_IMX_HAVE_DMA_V1) += dma-v1.o 
obj-$(CONFIG_ARCH_MX1) += clock-imx1.o mm-imx1.o

obj-$(CONFIG_ARCH_MX1) += clock-imx1.o mm-imx1.o

obj-$(CONFIG_MACH_MX21) += clock-imx21.o mm-imx21.o

obj-$(CONFIG_MACH_MX21) += clock-imx21.o mm-imx21.o





obj-$(CONFIG_ARCH_MX25) += clock-imx25.o mm-imx25.o

obj-$(CONFIG_ARCH_MX25) += clock-imx25.o mm-imx25.o ehci-imx25.o





obj-$(CONFIG_MACH_MX27) += cpu-imx27.o pm-imx27.o

obj-$(CONFIG_MACH_MX27) += cpu-imx27.o pm-imx27.o

obj-$(CONFIG_MACH_MX27) += clock-imx27.o mm-imx27.o

obj-$(CONFIG_MACH_MX27) += clock-imx27.o mm-imx27.o ehci-imx27.o





# Support for CMOS sensor interface

# Support for CMOS sensor interface

obj-$(CONFIG_MX1_VIDEO)	+= mx1-camera-fiq.o mx1-camera-fiq-ksym.o

obj-$(CONFIG_MX1_VIDEO)	+= mx1-camera-fiq.o mx1-camera-fiq-ksym.o

arch/arm/mach-imx/ehci-imx25.c

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+80 −0
Original line number Original line Diff line number Diff line 
/*

 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>

 * Copyright (C) 2010 Freescale Semiconductor, Inc.

 *

 * 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.

 */



#include <linux/platform_device.h>

#include <linux/io.h>



#include <mach/hardware.h>

#include <mach/mxc_ehci.h>



#define USBCTRL_OTGBASE_OFFSET	0x600



#define MX25_OTG_SIC_SHIFT	29

#define MX25_OTG_SIC_MASK	(0x3 << MX25_OTG_SIC_SHIFT)

#define MX25_OTG_PM_BIT		(1 << 24)



#define MX25_H1_SIC_SHIFT	21

#define MX25_H1_SIC_MASK	(0x3 << MX25_H1_SIC_SHIFT)

#define MX25_H1_PM_BIT		(1 << 8)

#define MX25_H1_IPPUE_UP_BIT	(1 << 7)

#define MX25_H1_IPPUE_DOWN_BIT	(1 << 6)

#define MX25_H1_TLL_BIT		(1 << 5)

#define MX25_H1_USBTE_BIT	(1 << 4)



int mx25_initialize_usb_hw(int port, unsigned int flags)

{

	unsigned int v;



	v = readl(MX25_IO_ADDRESS(MX25_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET));



	switch (port) {

	case 0:	/* OTG port */

		v &= ~(MX25_OTG_SIC_MASK | MX25_OTG_PM_BIT);

		v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX25_OTG_SIC_SHIFT;



		if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))

			v |= MX25_OTG_PM_BIT;



		break;

	case 1: /* H1 port */

		v &= ~(MX25_H1_SIC_MASK | MX25_H1_PM_BIT | MX25_H1_TLL_BIT |

			MX25_H1_USBTE_BIT | MX25_H1_IPPUE_DOWN_BIT | MX25_H1_IPPUE_UP_BIT);

		v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX25_H1_SIC_SHIFT;



		if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))

			v |= MX25_H1_PM_BIT;



		if (!(flags & MXC_EHCI_TTL_ENABLED))

			v |= MX25_H1_TLL_BIT;



		if (flags & MXC_EHCI_INTERNAL_PHY)

			v |= MX25_H1_USBTE_BIT;



		if (flags & MXC_EHCI_IPPUE_DOWN)

			v |= MX25_H1_IPPUE_DOWN_BIT;



		if (flags & MXC_EHCI_IPPUE_UP)

			v |= MX25_H1_IPPUE_UP_BIT;



		break;

	default:

		return -EINVAL;

	}



	writel(v, MX25_IO_ADDRESS(MX25_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET));



	return 0;

}

arch/arm/mach-imx/ehci-imx27.c

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+82 −0
Original line number Original line Diff line number Diff line 
/*

 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>

 * Copyright (C) 2010 Freescale Semiconductor, Inc.

 *

 * 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.

 */



#include <linux/platform_device.h>

#include <linux/io.h>



#include <mach/hardware.h>

#include <mach/mxc_ehci.h>



#define USBCTRL_OTGBASE_OFFSET	0x600



#define MX27_OTG_SIC_SHIFT	29

#define MX27_OTG_SIC_MASK	(0x3 << MX27_OTG_SIC_SHIFT)

#define MX27_OTG_PM_BIT		(1 << 24)



#define MX27_H2_SIC_SHIFT	21

#define MX27_H2_SIC_MASK	(0x3 << MX27_H2_SIC_SHIFT)

#define MX27_H2_PM_BIT		(1 << 16)

#define MX27_H2_DT_BIT		(1 << 5)



#define MX27_H1_SIC_SHIFT	13

#define MX27_H1_SIC_MASK	(0x3 << MX27_H1_SIC_SHIFT)

#define MX27_H1_PM_BIT		(1 << 8)

#define MX27_H1_DT_BIT		(1 << 4)



int mx27_initialize_usb_hw(int port, unsigned int flags)

{

	unsigned int v;



	v = readl(MX27_IO_ADDRESS(MX27_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET));



	switch (port) {

	case 0:	/* OTG port */

		v &= ~(MX27_OTG_SIC_MASK | MX27_OTG_PM_BIT);

		v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX27_OTG_SIC_SHIFT;



		if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))

			v |= MX27_OTG_PM_BIT;

		break;

	case 1: /* H1 port */

		v &= ~(MX27_H1_SIC_MASK | MX27_H1_PM_BIT | MX27_H1_DT_BIT);

		v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX27_H1_SIC_SHIFT;



		if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))

			v |= MX27_H1_PM_BIT;



		if (!(flags & MXC_EHCI_TTL_ENABLED))

			v |= MX27_H1_DT_BIT;



		break;

	case 2:	/* H2 port */

		v &= ~(MX27_H2_SIC_MASK | MX27_H2_PM_BIT | MX27_H2_DT_BIT);

		v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX27_H2_SIC_SHIFT;



		if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))

			v |= MX27_H2_PM_BIT;



		if (!(flags & MXC_EHCI_TTL_ENABLED))

			v |= MX27_H2_DT_BIT;



		break;

	default:

		return -EINVAL;

	}



	writel(v, MX27_IO_ADDRESS(MX27_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET));



	return 0;

}

arch/arm/mach-mx3/Makefile

+2 −2
Original line number Original line Diff line number Diff line
@@ -5,8 +5,8 @@ 
# Object file lists.

# Object file lists.





obj-y				:= mm.o devices.o cpu.o

obj-y				:= mm.o devices.o cpu.o

obj-$(CONFIG_SOC_IMX31)		+= clock-imx31.o iomux-imx31.o

obj-$(CONFIG_SOC_IMX31)		+= clock-imx31.o iomux-imx31.o ehci-imx31.o

obj-$(CONFIG_SOC_IMX35)		+= clock-imx35.o

obj-$(CONFIG_SOC_IMX35)		+= clock-imx35.o ehci-imx35.o

obj-$(CONFIG_MACH_MX31ADS)	+= mach-mx31ads.o

obj-$(CONFIG_MACH_MX31ADS)	+= mach-mx31ads.o

obj-$(CONFIG_MACH_MX31LILLY)	+= mach-mx31lilly.o mx31lilly-db.o

obj-$(CONFIG_MACH_MX31LILLY)	+= mach-mx31lilly.o mx31lilly-db.o

obj-$(CONFIG_MACH_MX31LITE)	+= mach-mx31lite.o mx31lite-db.o

obj-$(CONFIG_MACH_MX31LITE)	+= mach-mx31lite.o mx31lite-db.o

arch/arm/mach-mx3/ehci-imx31.c

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+83 −0
Original line number Original line Diff line number Diff line 
/*

 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>

 * Copyright (C) 2010 Freescale Semiconductor, Inc.

 *

 * 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.

 */



#include <linux/platform_device.h>

#include <linux/io.h>



#include <mach/hardware.h>

#include <mach/mxc_ehci.h>



#define USBCTRL_OTGBASE_OFFSET	0x600



#define MX31_OTG_SIC_SHIFT	29

#define MX31_OTG_SIC_MASK	(0x3 << MX31_OTG_SIC_SHIFT)

#define MX31_OTG_PM_BIT		(1 << 24)



#define MX31_H2_SIC_SHIFT	21

#define MX31_H2_SIC_MASK	(0x3 << MX31_H2_SIC_SHIFT)

#define MX31_H2_PM_BIT		(1 << 16)

#define MX31_H2_DT_BIT		(1 << 5)



#define MX31_H1_SIC_SHIFT	13

#define MX31_H1_SIC_MASK	(0x3 << MX31_H1_SIC_SHIFT)

#define MX31_H1_PM_BIT		(1 << 8)

#define MX31_H1_DT_BIT		(1 << 4)



int mx31_initialize_usb_hw(int port, unsigned int flags)

{

	unsigned int v;



	v = readl(MX31_IO_ADDRESS(MX31_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET));



	switch (port) {

	case 0:	/* OTG port */

		v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT);

		v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX31_OTG_SIC_SHIFT;



		if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))

			v |= MX31_OTG_PM_BIT;



		break;

	case 1: /* H1 port */

		v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT | MX31_H1_DT_BIT);

		v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX31_H1_SIC_SHIFT;



		if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))

			v |= MX31_H1_PM_BIT;



		if (!(flags & MXC_EHCI_TTL_ENABLED))

			v |= MX31_H1_DT_BIT;



		break;

	case 2:	/* H2 port */

		v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT | MX31_H2_DT_BIT);

		v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX31_H2_SIC_SHIFT;



		if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))

			v |= MX31_H2_PM_BIT;



		if (!(flags & MXC_EHCI_TTL_ENABLED))

			v |= MX31_H2_DT_BIT;



		break;

	default:

		return -EINVAL;

	}



	writel(v, MX31_IO_ADDRESS(MX31_USB_BASE_ADDR + USBCTRL_OTGBASE_OFFSET));



	return 0;

}