[PATCH] USB_DR host support for FSL MPC831x
Vitaly Bordug
vitb at kernel.crashing.org
Wed Jul 18 00:52:29 EST 2007
On Tue, 17 Jul 2007 20:18:35 +0800
"Li Yang-r58472" <LeoLi at freescale.com> wrote:
> Hi Vitaly,
>
> I believe that your patch is addresses by my patch in 2.6.23 queue:
> http://www.kernel.org/pub/linux/kernel/people/gregkh/usb/2.6/2.6.22/usb-
> ehci_fsl-update-for-mpc831x-support.patch
>
okay, nm then. I'll revalidate with these 2 patches
and come up with something ontop if it won't work.
> - Leo
>
> > -----Original Message-----
> > From: linuxppc-dev-bounces+leoli=freescale.com at ozlabs.org
> > [mailto:linuxppc-dev-bounces+leoli=freescale.com at ozlabs.org]
> > On Behalf Of Vitaly Bordug
> > Sent: Tuesday, July 17, 2007 8:59 AM
> > To: Greg KH
> > Cc: linuxppc-dev at ozlabs.org
> > Subject: [PATCH] USB_DR host support for FSL MPC831x
> >
> >
> > Modifies fsl_ehci code so that to get USB host working on
> > mpc831x platform. Verified with MPC8313RDB reference board.
> >
> > Signed-off-by: Vitaly Bordug <vitb at kernel.crashing.org>
> >
> > ---
> >
> > arch/powerpc/boot/dts/mpc8313erdb.dts | 1 +
> > drivers/usb/host/ehci-fsl.c | 4 +++-
> > drivers/usb/host/ehci-hcd.c | 2 +-
> > 3 files changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts
> > b/arch/powerpc/boot/dts/mpc8313erdb.dts
> > index 1b351dc..c330e79 100644
> > --- a/arch/powerpc/boot/dts/mpc8313erdb.dts
> > +++ b/arch/powerpc/boot/dts/mpc8313erdb.dts
> > @@ -90,6 +90,7 @@
> > interrupt-parent = < &ipic >;
> > interrupts = <26 8>;
> > phy_type = "utmi_wide";
> > + control_init = <00000280>; // UTMI ext
> > 48 MHz clk
> > };
> >
> > mdio at 24520 {
> > diff --git a/drivers/usb/host/ehci-fsl.c
> > b/drivers/usb/host/ehci-fsl.c index c7a7c59..3e3187b 100644
> > --- a/drivers/usb/host/ehci-fsl.c
> > +++ b/drivers/usb/host/ehci-fsl.c
> > @@ -185,12 +185,14 @@ static void mpc83xx_usb_setup(struct
> > usb_hcd *hcd)
> > struct ehci_hcd *ehci = hcd_to_ehci(hcd);
> > struct fsl_usb2_platform_data *pdata;
> > void __iomem *non_ehci = hcd->regs;
> > + u32 temp;
> >
> > pdata =
> > (struct fsl_usb2_platform_data *)hcd->self.controller->
> > platform_data;
> > /* Enable PHY interface in the control reg. */
> > - out_be32(non_ehci + FSL_SOC_USB_CTRL, 0x00000004);
> > + temp = in_be32(non_ehci + FSL_SOC_USB_CTRL);
> > + out_be32(non_ehci + FSL_SOC_USB_CTRL, temp | 0x00000004);
> > out_be32(non_ehci + FSL_SOC_USB_SNOOP1, 0x0000001b);
> >
> > #if defined(CONFIG_PPC32) && !defined(CONFIG_NOT_COHERENT_CACHE)
> > diff --git a/drivers/usb/host/ehci-hcd.c
> > b/drivers/usb/host/ehci-hcd.c index 099aff6..994a127 100644
> > --- a/drivers/usb/host/ehci-hcd.c
> > +++ b/drivers/usb/host/ehci-hcd.c
> > @@ -925,7 +925,7 @@ MODULE_LICENSE ("GPL");
> > #define PCI_DRIVER ehci_pci_driver
> > #endif
> >
> > -#ifdef CONFIG_MPC834x
> > +#if defined(CONFIG_MPC834x) || defined(CONFIG_PPC_MPC831x)
> > #include "ehci-fsl.c"
> > #define PLATFORM_DRIVER ehci_fsl_driver
> > #endif
> >
> > _______________________________________________
> > Linuxppc-dev mailing list
> > Linuxppc-dev at ozlabs.org
> > https://ozlabs.org/mailman/listinfo/linuxppc-dev
> >
--
Sincerely,
Vitaly
More information about the Linuxppc-dev
mailing list