diff options
Diffstat (limited to 'drivers/usb/usbdcore_omap1510.c')
| -rw-r--r-- | drivers/usb/usbdcore_omap1510.c | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/drivers/usb/usbdcore_omap1510.c b/drivers/usb/usbdcore_omap1510.c index 84bb936d86..4e3239f580 100644 --- a/drivers/usb/usbdcore_omap1510.c +++ b/drivers/usb/usbdcore_omap1510.c @@ -28,7 +28,7 @@ #include <common.h> -#if defined(CONFIG_OMAP1510) && defined(CONFIG_USB_DEVICE) +#if ((defined(CONFIG_OMAP1510) || defined(CONFIG_OMAP1610)) && defined(CONFIG_USB_DEVICE)) #include <asm/io.h> #ifdef CONFIG_OMAP_SX1 @@ -1109,21 +1109,43 @@ int udc_init (void) */ outw ((1 << 4) | (1 << 5), CLOCK_CTRL); UDCREG (CLOCK_CTRL); + +#ifdef CONFIG_OMAP1510 + /* This code was originally implemented for OMAP1510 and + * therefore is only applicable for OMAP1510 boards. For + * OMAP5912 or OMAP16xx the register APLL_CTRL does not + * exist and DPLL_CTRL is already configured. + */ + /* Set and check APLL */ outw (0x0008, APLL_CTRL); UDCREG (APLL_CTRL); /* Set and check DPLL */ outw (0x2210, DPLL_CTRL); UDCREG (DPLL_CTRL); - /* Set and check SOFT */ - outw ((1 << 4) | (1 << 3) | 1, SOFT_REQ); +#endif + /* Set and check SOFT + * The below line of code has been changed to perform a + * read-modify-write instead of a simple write for + * configuring the SOFT_REQ register. This allows the code + * to be compatible with OMAP5912 and OMAP16xx devices + */ + outw ((1 << 4) | (1 << 3) | 1 | (inw(SOFT_REQ)), SOFT_REQ); + /* Short delay to wait for DPLL */ udelay (1000); /* Print banner with device revision */ udc_rev = inw (UDC_REV) & 0xff; +#ifdef CONFIG_OMAP1510 printf ("USB: TI OMAP1510 USB function module rev %d.%d\n", udc_rev >> 4, udc_rev & 0xf); +#endif + +#ifdef CONFIG_OMAP1610 + printf ("USB: TI OMAP5912 USB function module rev %d.%d\n", + udc_rev >> 4, udc_rev & 0xf); +#endif #ifdef CONFIG_OMAP_SX1 i2c_read (0x32, 0x04, 1, &value, 1); |