[U-Boot] [PATCHv3 2/4] at91sam9x5: enable USB support for 9x5ek board.

[Bo Shen]

On 11/30/2012 17:18, richard.genoud at gmail.com wrote:
> From: Richard Genoud <richard.genoud at gmail.com>
>
> Signed-off-by: Richard Genoud <richard.genoud at gmail.com>

Acked-by: Bo Shen <voice.shen at atmel.com

> ---
>   arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c |   13 +++++++++++++
>   arch/arm/include/asm/arch-at91/at91sam9x5.h      |    2 ++
>   board/atmel/at91sam9x5ek/at91sam9x5ek.c          |    3 +++
>   drivers/usb/host/ohci-at91.c                     |    6 ++++--
>   4 files changed, 22 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c
> index 9348552..0448c0b 100644
> --- a/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c
> +++ b/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c
> @@ -193,6 +193,19 @@ void at91_spi1_hw_init(unsigned long cs_mask)
>   }
>   #endif
>
> +#if defined(CONFIG_USB_OHCI_NEW) || defined(CONFIG_USB_EHCI)
> +void at91_uhp_hw_init(void)
> +{
> +	/* Enable VBus on UHP ports */
> +	at91_set_pio_output(AT91_PIO_PORTD, 18, 0); /* port A */
> +	at91_set_pio_output(AT91_PIO_PORTD, 19, 0); /* port B */
> +#if defined(CONFIG_USB_OHCI_NEW)
> +	/* port C is OHCI only */
> +	at91_set_pio_output(AT91_PIO_PORTD, 20, 0); /* port C */
> +#endif
> +}
> +#endif
> +
>   #ifdef CONFIG_MACB
>   void at91_macb_hw_init(void)
>   {
> diff --git a/arch/arm/include/asm/arch-at91/at91sam9x5.h b/arch/arm/include/asm/arch-at91/at91sam9x5.h
> index 0e728c9..de0f1b1 100644
> --- a/arch/arm/include/asm/arch-at91/at91sam9x5.h
> +++ b/arch/arm/include/asm/arch-at91/at91sam9x5.h
> @@ -154,6 +154,8 @@
>   #define ATMEL_PIO_PORTS         4
>   #define CPU_HAS_PIO3
>   #define PIO_SCDR_DIV            (0x3fff <<  0)  /* Slow Clock Divider Mask */
> +#define ATMEL_PMC_UHP		AT91SAM926x_PMC_UHP
> +#define ATMEL_ID_UHP		ATMEL_ID_UHPHS
>
>   /*
>    * at91sam9x5 specific prototypes
> diff --git a/board/atmel/at91sam9x5ek/at91sam9x5ek.c b/board/atmel/at91sam9x5ek/at91sam9x5ek.c
> index edb0886..8773e6f 100644
> --- a/board/atmel/at91sam9x5ek/at91sam9x5ek.c
> +++ b/board/atmel/at91sam9x5ek/at91sam9x5ek.c
> @@ -295,6 +295,9 @@ int board_init(void)
>   	at91_macb_hw_init();
>   #endif
>
> +#if defined(CONFIG_USB_OHCI_NEW) || defined(CONFIG_USB_EHCI)
> +	at91_uhp_hw_init();
> +#endif
>   #ifdef CONFIG_LCD
>   	at91sam9x5ek_lcd_hw_init();
>   #endif
> diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
> index 9532dd9..efd711d 100644
> --- a/drivers/usb/host/ohci-at91.c
> +++ b/drivers/usb/host/ohci-at91.c
> @@ -41,7 +41,8 @@ int usb_cpu_init(void)
>   	writel(get_pllb_init(), &pmc->pllbr);
>   	while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != AT91_PMC_LOCKB)
>   		;
> -#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45)
> +#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) || \
> +	defined(CONFIG_AT91SAM9X5)
>   	/* Enable UPLL */
>   	writel(readl(&pmc->uckr) | AT91_PMC_UPLLEN | AT91_PMC_BIASEN,
>   		&pmc->uckr);
> @@ -81,7 +82,8 @@ int usb_cpu_stop(void)
>   	writel(0, &pmc->pllbr);
>   	while ((readl(&pmc->sr) & AT91_PMC_LOCKB) != 0)
>   		;
> -#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45)
> +#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) || \
> +	defined(CONFIG_AT91SAM9X5)
>   	/* Disable UPLL */
>   	writel(readl(&pmc->uckr) & (~AT91_PMC_UPLLEN), &pmc->uckr);
>   	while ((readl(&pmc->sr) & AT91_PMC_LOCKU) == AT91_PMC_LOCKU)
>