From 23b0e6946b9794266a2b699030b7b75c3fffb81d Mon Sep 17 00:00:00 2001
From: Vipin KUMAR <vipin.kumar@st.com>
Date: Tue, 6 Mar 2012 23:39:39 +0000
Subject: [PATCH] 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>
---
drivers/usb/gadget/designware_udc.c | 10 ++++++++++
include/usb/designware_udc.h | 1 +
2 files changed, 11 insertions(+)
diff --git a/drivers/usb/gadget/designware_udc.c b/drivers/usb/gadget/designware_udc.c
index 3c20f3d0033..205f54a52cd 100644
--- 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 ae98e8c2c20..18b7c19af2e 100644
--- 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
--
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