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| author | Richard Genoud <richard.genoud@gmail.com> | 2012-11-29 23:18:32 +0000 |
|---|---|---|
| committer | Andreas Bießmann <andreas.devel@googlemail.com> | 2012-12-09 22:38:27 +0100 |
| commit | bcfc8976e5c86afd7f14c8a32fcd33baad0b482f (patch) | |
| tree | 811cd1d20eef2f72e63aa0509c4098987de8a63f | |
| parent | b8a7c467960ffb4d5a5e1eef5f7783fb6f594542 (diff) | |
| download | u-boot-imx-bcfc8976e5c86afd7f14c8a32fcd33baad0b482f.zip u-boot-imx-bcfc8976e5c86afd7f14c8a32fcd33baad0b482f.tar.gz u-boot-imx-bcfc8976e5c86afd7f14c8a32fcd33baad0b482f.tar.bz2 | |
at91sam9x5: enable USB support for 9x5ek board.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Acked-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
| -rw-r--r-- | arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c | 13 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-at91/at91sam9x5.h | 2 | ||||
| -rw-r--r-- | board/atmel/at91sam9x5ek/at91sam9x5ek.c | 3 | ||||
| -rw-r--r-- | 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) |