diff options
| author | Prathap Srinivas <msprathap@ti.com> | 2010-01-11 15:36:46 +0530 |
|---|---|---|
| committer | Remy Bohmer <linux@bohmer.net> | 2010-02-03 22:06:59 +0100 |
| commit | 6e20e64f5c6deb5b48e40a0cba4877f9170545e0 (patch) | |
| tree | 58a3c883143eadcd7b8045615ccc55e50da0a9a5 /drivers/usb | |
| parent | ec2aadb40855cecb088b68c062e3534d6ce39128 (diff) | |
| download | u-boot-imx-6e20e64f5c6deb5b48e40a0cba4877f9170545e0.zip u-boot-imx-6e20e64f5c6deb5b48e40a0cba4877f9170545e0.tar.gz u-boot-imx-6e20e64f5c6deb5b48e40a0cba4877f9170545e0.tar.bz2 | |
musb: Add host support for DM365 EVM
Add support for musb host on DM365 EVM.
Signed-off-by: Prathap Srinivas <msprathap@ti.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/musb/davinci.c | 21 | ||||
| -rw-r--r-- | drivers/usb/musb/davinci.h | 1 |
2 files changed, 20 insertions, 2 deletions
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c index a7648fc..8fbadc9 100644 --- a/drivers/usb/musb/davinci.c +++ b/drivers/usb/musb/davinci.c @@ -24,6 +24,7 @@ #include <common.h> #include <asm/io.h> #include "davinci.h" +#include <asm/arch/hardware.h> /* MUSB platform configuration */ struct musb_config musb_cfg = { @@ -41,10 +42,25 @@ struct davinci_usb_regs *dregs; static u8 phy_on(void) { u32 timeout; - +#ifdef DAVINCI_DM365EVM + u32 val; +#endif /* Wait until the USB phy is turned on */ +#ifdef DAVINCI_DM365EVM + writel(USBPHY_PHY24MHZ | USBPHY_SESNDEN | + USBPHY_VBDTCTEN, USBPHY_CTL_PADDR); +#else writel(USBPHY_SESNDEN | USBPHY_VBDTCTEN, USBPHY_CTL_PADDR); +#endif timeout = musb_cfg.timeout; + +#ifdef DAVINCI_DM365EVM + /* Set the ownership of GIO33 to USB */ + val = readl(PINMUX4); + val &= ~(PINMUX4_USBDRVBUS_BITCLEAR); + val |= PINMUX4_USBDRVBUS_BITSET; + writel(val, PINMUX4); +#endif while (timeout--) if (readl(USBPHY_CTL_PADDR) & USBPHY_PHYCLKGD) return 1; @@ -70,8 +86,9 @@ int musb_platform_init(void) u32 revision; /* enable USB VBUS */ +#ifndef DAVINCI_DM365EVM enable_vbus(); - +#endif /* start the on-chip USB phy and its pll */ if (!phy_on()) return -1; diff --git a/drivers/usb/musb/davinci.h b/drivers/usb/musb/davinci.h index f6751bf..e0829d6 100644 --- a/drivers/usb/musb/davinci.h +++ b/drivers/usb/musb/davinci.h @@ -63,6 +63,7 @@ struct davinci_usb_regs { /* Integrated highspeed/otg PHY */ #define USBPHY_CTL_PADDR (DAVINCI_SYSTEM_MODULE_BASE + 0x34) +#define USBPHY_PHY24MHZ (1 << 13) #define USBPHY_PHYCLKGD (1 << 8) #define USBPHY_SESNDEN (1 << 7) /* v(sess_end) comparator */ #define USBPHY_VBDTCTEN (1 << 6) /* v(bus) comparator */ |