USB:gadget:designware Support high speed

This patch adds the support for usb device high speed for designware peripheral.

Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Amit Virdi <amit.virdi@st.com>

diff --git a/drivers/usb/gadget/designware_udc.c b/drivers/usb/gadget/designware_udc.c
index 3c20f3d0033b326b5fa698d1a3f96e9feebf0f77..205f54a52cd20f89dc35770967683d3a8d7a931b 100644 (file)
--- a/drivers/usb/gadget/designware_udc.c
+++ b/drivers/usb/gadget/designware_udc.c
@@ -566,8 +566,13 @@ int udc_init(void)
        writel(~0x0, &udc_regs_p->dev_int_mask);
        writel(~0x0, &udc_regs_p->endp_int_mask);
 
+#ifndef CONFIG_USBD_HS
        writel(DEV_CONF_FS_SPEED | DEV_CONF_REMWAKEUP | DEV_CONF_SELFPOW |
               DEV_CONF_PHYINT_16, &udc_regs_p->dev_conf);
+#else
+       writel(DEV_CONF_HS_SPEED | DEV_CONF_REMWAKEUP | DEV_CONF_SELFPOW |
+                       DEV_CONF_PHYINT_16, &udc_regs_p->dev_conf);
+#endif
 
        writel(DEV_CNTL_SOFTDISCONNECT, &udc_regs_p->dev_cntl);
 
@@ -577,6 +582,11 @@ int udc_init(void)
        return 0;
 }
 
+int is_usbd_high_speed(void)
+{
+       return (readl(&udc_regs_p->dev_stat) & DEV_STAT_ENUM) ? 0 : 1;
+}
+
 /*
  * udc_setup_ep - setup endpoint
  * Associate a physical endpoint with endpoint_instance

diff --git a/include/usb/designware_udc.h b/include/usb/designware_udc.h
index ae98e8c2c2090930950d035b03b30821d3d16238..18b7c19af2eb96303aa4ac870a8616fcb657bfc9 100644 (file)
--- a/include/usb/designware_udc.h
+++ b/include/usb/designware_udc.h
@@ -197,6 +197,7 @@ struct udcfifo_regs {
 #define  UDC_INT_PACKET_SIZE           64
 #define  UDC_OUT_ENDPOINT              2
 #define  UDC_BULK_PACKET_SIZE          64
+#define  UDC_BULK_HS_PACKET_SIZE       512
 #define  UDC_IN_ENDPOINT               3
 #define  UDC_OUT_PACKET_SIZE           64
 #define  UDC_IN_PACKET_SIZE            64