Commit 648beaf5 authored by Eric Bénard's avatar Eric Bénard Committed by Sascha Hauer
Browse files

plat-mxc/ehci.c: add i.MX25 support 



i.MX25's OTG has the same USBCTRL registers than i.MX35 so reuse
most of the i.MX35's defines.

Signed-off-by: default avatarEric Bénard <eric@eukrea.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 5a36c399

arch/arm/plat-mxc/ehci.c

+45 −1
Original line number Original line Diff line number Diff line
@@ -73,7 +73,51 @@ 
int mxc_initialize_usb_hw(int port, unsigned int flags)

int mxc_initialize_usb_hw(int port, unsigned int flags)

{

{

	unsigned int v;

	unsigned int v;

#ifdef CONFIG_ARCH_MX3

#if defined(CONFIG_ARCH_MX25)

	if (cpu_is_mx25()) {

		v = readl(MX25_IO_ADDRESS(MX25_OTG_BASE_ADDR +

				     USBCTRL_OTGBASE_OFFSET));



		switch (port) {

		case 0:	/* OTG port */

			v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT);

			v |= (flags & MXC_EHCI_INTERFACE_MASK)

					<< MX35_OTG_SIC_SHIFT;

			if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))

				v |= MX35_OTG_PM_BIT;



			break;

		case 1: /* H1 port */

			v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_TLL_BIT |

				MX35_H1_USBTE_BIT | MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT);

			v |= (flags & MXC_EHCI_INTERFACE_MASK)

						<< MX35_H1_SIC_SHIFT;

			if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))

				v |= MX35_H1_PM_BIT;



			if (!(flags & MXC_EHCI_TTL_ENABLED))

				v |= MX35_H1_TLL_BIT;



			if (flags & MXC_EHCI_INTERNAL_PHY)

				v |= MX35_H1_USBTE_BIT;



			if (flags & MXC_EHCI_IPPUE_DOWN)

				v |= MX35_H1_IPPUE_DOWN_BIT;



			if (flags & MXC_EHCI_IPPUE_UP)

				v |= MX35_H1_IPPUE_UP_BIT;



			break;

		default:

			return -EINVAL;

		}



		writel(v, MX25_IO_ADDRESS(MX25_OTG_BASE_ADDR +

				     USBCTRL_OTGBASE_OFFSET));

		return 0;

	}

#endif /* CONFIG_ARCH_MX25 */

#if defined(CONFIG_ARCH_MX3)

	if (cpu_is_mx31()) {

	if (cpu_is_mx31()) {

		v = readl(MX31_IO_ADDRESS(MX31_OTG_BASE_ADDR +

		v = readl(MX31_IO_ADDRESS(MX31_OTG_BASE_ADDR +

				     USBCTRL_OTGBASE_OFFSET));

				     USBCTRL_OTGBASE_OFFSET));