diff options
| author | Richard Genoud <richard.genoud@gmail.com> | 2012-11-29 23:18:32 +0000 |
|---|---|---|
| committer | Josh Wu <josh.wu@atmel.com> | 2013-03-25 17:41:27 +0800 |
| commit | 6e12ba30d1702dbdec860b5cb22db8cf8a22e21f (patch) | |
| tree | 9f664d2d5a39e03ad790decac369029d427865a8 | |
| parent | b9a76c29773f63ba7a31a4e7094c8c1a0dc31a8c (diff) | |
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 | 7 |
4 files changed, 22 insertions, 3 deletions
diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c index a1eea2a754..0c3eb151e1 100644 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c +++ b/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c @@ -181,6 +181,19 @@ 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 be5d011877..b99d8c7fc4 100644 --- a/arch/arm/include/asm/arch-at91/at91sam9x5.h +++ b/arch/arm/include/asm/arch-at91/at91sam9x5.h @@ -153,6 +153,8 @@ #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 /* * PMECC table in ROM diff --git a/board/atmel/at91sam9x5ek/at91sam9x5ek.c b/board/atmel/at91sam9x5ek/at91sam9x5ek.c index edb088680d..8773e6fd39 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 9124b874eb..aeb93e2112 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -41,8 +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) \ - || defined(CONFIG_SAMA5D3) +#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) || \ + defined(CONFIG_AT91SAM9X5) || defined(CONFIG_SAMA5D3) /* Enable UPLL */ writel(readl(&pmc->uckr) | AT91_PMC_UPLLEN | AT91_PMC_BIASEN, &pmc->uckr); @@ -91,7 +91,8 @@ 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) |