Hi, * Pandita, Vikram <vikram.pandita@xxxxxx> [080502 03:04]: > > - Code changes for next revision of USB expansion board 750-2099-001(C) > with h/w bug fixes to support ISP1504 PHY in input clocking mode > > - Changes tested on SDP3430 Does this still work with older boards too? Tony > Signed-off-by: Vikram Pandita <vikram.pandita@xxxxxx> > --- > drivers/usb/host/ehci-omap.c | 37 ++++++------------------------------- > 1 file changed, 6 insertions(+), 31 deletions(-) > > Index: linux-omap-2.6/drivers/usb/host/ehci-omap.c > =================================================================== > --- linux-omap-2.6.orig/drivers/usb/host/ehci-omap.c 2008-05-02 14:11:56.000000000 +0530 > +++ linux-omap-2.6/drivers/usb/host/ehci-omap.c 2008-05-02 15:05:40.000000000 +0530 > @@ -35,7 +35,7 @@ > #ifdef CONFIG_OMAP_EHCI_PHY_MODE > /* EHCI connected to External PHY */ > > -/* External USB connectivity board: 750-2083-001 > +/* External USB connectivity board: 750-2099-001(C) > * Connected to OMAP3430 SDP > * The board has Port1 and Port2 connected to ISP1504 in 12-pin ULPI mode > */ > @@ -50,14 +50,7 @@ > #define EXTERNAL_PHY_RESET > #define EXT_PHY_RESET_GPIO_PORT1 (57) > #define EXT_PHY_RESET_GPIO_PORT2 (61) > -#define EXT_PHY_RESET_DELAY (10) > - > -/* ISSUE2: > - * USBHOST supports External charge pump PHYs only > - * Use the VBUS from Port1 to power VBUS of Port2 externally > - * So use Port2 as the working ULPI port > - */ > -#define VBUS_INTERNAL_CHARGEPUMP_HACK > +#define EXT_PHY_RESET_DELAY (500) > > #endif /* CONFIG_OMAP_EHCI_PHY_MODE */ > > @@ -228,8 +221,8 @@ static int omap_start_ehc(struct platfor > omap_set_gpio_direction(EXT_PHY_RESET_GPIO_PORT1, 0); > omap_request_gpio(EXT_PHY_RESET_GPIO_PORT2); > omap_set_gpio_direction(EXT_PHY_RESET_GPIO_PORT2, 0); > - omap_set_gpio_dataout(EXT_PHY_RESET_GPIO_PORT1, 0); > - omap_set_gpio_dataout(EXT_PHY_RESET_GPIO_PORT2, 0); > + omap_set_gpio_dataout(EXT_PHY_RESET_GPIO_PORT1, 1); > + omap_set_gpio_dataout(EXT_PHY_RESET_GPIO_PORT2, 1); > /* Hold the PHY in RESET for enough time till DIR is high */ > udelay(EXT_PHY_RESET_DELAY); > #endif > @@ -305,26 +298,8 @@ static int omap_start_ehc(struct platfor > * Hold the PHY in RESET for enough time till PHY is settled and ready > */ > udelay(EXT_PHY_RESET_DELAY); > - omap_set_gpio_dataout(EXT_PHY_RESET_GPIO_PORT1, 1); > - omap_set_gpio_dataout(EXT_PHY_RESET_GPIO_PORT2, 1); > -#endif > - > -#ifdef VBUS_INTERNAL_CHARGEPUMP_HACK > - /* Refer ISSUE2: LINK assumes external charge pump */ > - > - /* use Port1 VBUS to charge externally Port2: > - * So for PHY mode operation use Port2 only > - */ > - omap_writel((0xA << EHCI_INSNREG05_ULPI_REGADD_SHIFT) |/* OTG ctrl reg*/ > - (2 << EHCI_INSNREG05_ULPI_OPSEL_SHIFT) |/* Write */ > - (1 << EHCI_INSNREG05_ULPI_PORTSEL_SHIFT) |/* Port1 */ > - (1 << EHCI_INSNREG05_ULPI_CONTROL_SHIFT) |/* Start */ > - (0x26), > - EHCI_INSNREG05_ULPI); > - > - while (!(omap_readl(EHCI_INSNREG05_ULPI) & > - (1<<EHCI_INSNREG05_ULPI_CONTROL_SHIFT))); > - > + omap_set_gpio_dataout(EXT_PHY_RESET_GPIO_PORT1, 0); > + omap_set_gpio_dataout(EXT_PHY_RESET_GPIO_PORT2, 0); > #endif > > return 0; > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
