From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bo Shen Date: Fri, 30 Nov 2012 17:37:10 +0800 Subject: [U-Boot] [PATCHv3 2/4] at91sam9x5: enable USB support for 9x5ek board. In-Reply-To: <50b879f9.0652b40a.733e.74b1@mx.google.com> References: <1354267114-3307-1-git-send-email-yes> <50b879f9.0652b40a.733e.74b1@mx.google.com> Message-ID: <50B87E46.30809@atmel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 11/30/2012 17:18, richard.genoud at gmail.com wrote: > From: Richard Genoud > > Signed-off-by: Richard Genoud Acked-by: Bo Shen --- > 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) >