diff options
| author | Albert Chen <R65187@freescale.com> | 2010-01-28 09:58:40 +0800 |
|---|---|---|
| committer | Alan Tull <r80115@freescale.com> | 2010-08-25 11:52:05 -0500 |
| commit | c44dc00d2aecfcbf30336180f5ecd6a3a633545d (patch) | |
| tree | c459f0ea915ebc57647cbca328ec2c8a6acf721e | |
| parent | 7ab996bcda5a7c4b564a46c86885a5495d169fda (diff) | |
ENGR00117742-2 add usb support for mx28
kernel part
Signed-off-by: Albert Chen <r65187@freescale.com>
| -rw-r--r-- | drivers/usb/core/hub.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index ffc80e3241e1..46a5ad535aad 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -38,6 +38,24 @@ #endif #endif +#ifdef CONFIG_ARCH_STMP3XXX +#define STMP3XXX_USB_HOST_HACK +#endif + +#ifdef CONFIG_ARCH_MXS +#define MXS_USB_HOST_HACK + +#include <linux/fsl_devices.h> +extern void fsl_platform_set_usb_phy_dis(struct fsl_usb2_platform_data *pdata, + bool enable); +#endif + +#ifdef STMP3XXX_USB_HOST_HACK +#include <linux/fsl_devices.h> +#include <mach/regs-usbphy.h> +#include <mach/platform.h> +#endif + struct usb_hub { struct device *intfdev; /* the "interface" device */ struct usb_device *hdev; @@ -2850,6 +2868,21 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1, break; } } + +#ifdef MXS_USB_HOST_HACK + { /*Must enable HOSTDISCONDETECT after second reset*/ + if (port1 == 1) { + if (udev->speed == USB_SPEED_HIGH) { + struct device *dev = hcd->self.controller; + struct fsl_usb2_platform_data *pdata; + pdata = (struct fsl_usb2_platform_data *) + dev->platform_data; + fsl_platform_set_usb_phy_dis(pdata, 1); + } + } + } +#endif + if (retval) goto fail; @@ -2977,6 +3010,25 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1, "port %d, status %04x, change %04x, %s\n", port1, portstatus, portchange, portspeed (portstatus)); +#ifdef MXS_USB_HOST_HACK + { + struct device *dev = hcd->self.controller; + struct fsl_usb2_platform_data *pdata; + + pdata = (struct fsl_usb2_platform_data *)dev->platform_data; + if (dev->parent && dev->type) { + if (port1 == 1 && pdata->platform_init) + pdata->platform_init(NULL); + } + if (port1 == 1) { + if (!(portstatus&USB_PORT_STAT_CONNECTION)) { + /* Must clear HOSTDISCONDETECT when disconnect*/ + fsl_platform_set_usb_phy_dis(pdata, 0); + } + } + } +#endif + if (hub->has_indicators) { set_port_led(hub, port1, HUB_LED_AUTO); hub->indicator[port1-1] = INDICATOR_AUTO; |