[PATCH] USB_DR host support for FSL MPC831x

[Li Yang-r58472]

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

- 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
> 
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