#include <asm/io.h>
#include <asm/mach-types.h>
-#include <asm/arch/gpio.h>
-#include "regs-otg.h"
+#include "s3c_udc_otg_regs.h"
+#include "s3c_udc_otg_priv.h"
#include <usb/lin_gadget_compat.h>
/***********************************************************/
#define DRIVER_DESC "S3C HS USB OTG Device Driver, (c) Samsung Electronics"
#define DRIVER_VERSION "15 March 2009"
-struct s3c_udc *the_controller;
+struct dwc2_udc *the_controller;
static const char driver_name[] = "s3c-udc";
static const char driver_desc[] = DRIVER_DESC;
static int s3c_dequeue(struct usb_ep *ep, struct usb_request *);
static int s3c_fifo_status(struct usb_ep *ep);
static void s3c_fifo_flush(struct usb_ep *ep);
-static void s3c_ep0_read(struct s3c_udc *dev);
-static void s3c_ep0_kick(struct s3c_udc *dev, struct s3c_ep *ep);
-static void s3c_handle_ep0(struct s3c_udc *dev);
-static int s3c_ep0_write(struct s3c_udc *dev);
-static int write_fifo_ep0(struct s3c_ep *ep, struct s3c_request *req);
-static void done(struct s3c_ep *ep, struct s3c_request *req, int status);
-static void stop_activity(struct s3c_udc *dev,
+static void s3c_ep0_read(struct dwc2_udc *dev);
+static void s3c_ep0_kick(struct dwc2_udc *dev, struct dwc2_ep *ep);
+static void s3c_handle_ep0(struct dwc2_udc *dev);
+static int s3c_ep0_write(struct dwc2_udc *dev);
+static int write_fifo_ep0(struct dwc2_ep *ep, struct s3c_request *req);
+static void done(struct dwc2_ep *ep, struct s3c_request *req, int status);
+static void stop_activity(struct dwc2_udc *dev,
struct usb_gadget_driver *driver);
-static int udc_enable(struct s3c_udc *dev);
-static void udc_set_address(struct s3c_udc *dev, unsigned char address);
-static void reconfig_usbd(void);
-static void set_max_pktsize(struct s3c_udc *dev, enum usb_device_speed speed);
-static void nuke(struct s3c_ep *ep, int status);
+static int udc_enable(struct dwc2_udc *dev);
+static void udc_set_address(struct dwc2_udc *dev, unsigned char address);
+static void reconfig_usbd(struct dwc2_udc *dev);
+static void set_max_pktsize(struct dwc2_udc *dev, enum usb_device_speed speed);
+static void nuke(struct dwc2_ep *ep, int status);
static int s3c_udc_set_halt(struct usb_ep *_ep, int value);
-static void s3c_udc_set_nak(struct s3c_ep *ep);
+static void s3c_udc_set_nak(struct dwc2_ep *ep);
void set_udc_gadget_private_data(void *p)
{
/***********************************************************/
void __iomem *regs_otg;
-struct s3c_usbotg_reg *reg;
-struct s3c_usbotg_phy *phy;
-static unsigned int usb_phy_ctrl;
+struct dwc2_usbotg_reg *reg;
-void otg_phy_init(struct s3c_udc *dev)
+bool dfu_usb_get_reset(void)
{
- dev->pdata->phy_control(1);
-
- /*USB PHY0 Enable */
- printf("USB PHY0 Enable\n");
-
- /* Enable PHY */
- writel(readl(usb_phy_ctrl) | USB_PHY_CTRL_EN0, usb_phy_ctrl);
-
- if (dev->pdata->usb_flags == PHY0_SLEEP) /* C210 Universal */
- writel((readl(&phy->phypwr)
- &~(PHY_0_SLEEP | OTG_DISABLE_0 | ANALOG_PWRDOWN)
- &~FORCE_SUSPEND_0), &phy->phypwr);
- else /* C110 GONI */
- writel((readl(&phy->phypwr) &~(OTG_DISABLE_0 | ANALOG_PWRDOWN)
- &~FORCE_SUSPEND_0), &phy->phypwr);
-
- if (s5p_cpu_id == 0x4412)
- writel((readl(&phy->phyclk) & ~(EXYNOS4X12_ID_PULLUP0 |
- EXYNOS4X12_COMMON_ON_N0)) | EXYNOS4X12_CLK_SEL_24MHZ,
- &phy->phyclk); /* PLL 24Mhz */
- else
- writel((readl(&phy->phyclk) & ~(ID_PULLUP0 | COMMON_ON_N0)) |
- CLK_SEL_24MHZ, &phy->phyclk); /* PLL 24Mhz */
-
- writel((readl(&phy->rstcon) &~(LINK_SW_RST | PHYLNK_SW_RST))
- | PHY_SW_RST0, &phy->rstcon);
- udelay(10);
- writel(readl(&phy->rstcon)
- &~(PHY_SW_RST0 | LINK_SW_RST | PHYLNK_SW_RST), &phy->rstcon);
- udelay(10);
+ return !!(readl(®->gintsts) & INT_RESET);
}
-void otg_phy_off(struct s3c_udc *dev)
-{
- /* reset controller just in case */
- writel(PHY_SW_RST0, &phy->rstcon);
- udelay(20);
- writel(readl(&phy->phypwr) &~PHY_SW_RST0, &phy->rstcon);
- udelay(20);
-
- writel(readl(&phy->phypwr) | OTG_DISABLE_0 | ANALOG_PWRDOWN
- | FORCE_SUSPEND_0, &phy->phypwr);
-
- writel(readl(usb_phy_ctrl) &~USB_PHY_CTRL_EN0, usb_phy_ctrl);
-
- writel((readl(&phy->phyclk) & ~(ID_PULLUP0 | COMMON_ON_N0)),
- &phy->phyclk);
-
- udelay(10000);
-
- dev->pdata->phy_control(0);
-}
+__weak void otg_phy_init(struct dwc2_udc *dev) {}
+__weak void otg_phy_off(struct dwc2_udc *dev) {}
/***********************************************************/
/*
* udc_disable - disable USB device controller
*/
-static void udc_disable(struct s3c_udc *dev)
+static void udc_disable(struct dwc2_udc *dev)
{
debug_cond(DEBUG_SETUP != 0, "%s: %p\n", __func__, dev);
/*
* udc_reinit - initialize software state
*/
-static void udc_reinit(struct s3c_udc *dev)
+static void udc_reinit(struct dwc2_udc *dev)
{
unsigned int i;
/* basic endpoint records init */
for (i = 0; i < S3C_MAX_ENDPOINTS; i++) {
- struct s3c_ep *ep = &dev->ep[i];
+ struct dwc2_ep *ep = &dev->ep[i];
if (i != 0)
list_add_tail(&ep->ep.ep_list, &dev->gadget.ep_list);
/* until it's enabled, this UDC should be completely invisible
* to any USB host.
*/
-static int udc_enable(struct s3c_udc *dev)
+static int udc_enable(struct dwc2_udc *dev)
{
debug_cond(DEBUG_SETUP != 0, "%s: %p\n", __func__, dev);
otg_phy_init(dev);
- reconfig_usbd();
+ reconfig_usbd(dev);
debug_cond(DEBUG_SETUP != 0,
"S3C USB 2.0 OTG Controller Core Initialized : 0x%x\n",
*/
int usb_gadget_register_driver(struct usb_gadget_driver *driver)
{
- struct s3c_udc *dev = the_controller;
+ struct dwc2_udc *dev = the_controller;
int retval = 0;
- unsigned long flags;
+ unsigned long flags = 0;
debug_cond(DEBUG_SETUP != 0, "%s: %s\n", __func__, "no name");
*/
int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
{
- struct s3c_udc *dev = the_controller;
- unsigned long flags;
+ struct dwc2_udc *dev = the_controller;
+ unsigned long flags = 0;
if (!dev)
return -ENODEV;
/*
* done - retire a request; caller blocked irqs
*/
-static void done(struct s3c_ep *ep, struct s3c_request *req, int status)
+static void done(struct dwc2_ep *ep, struct s3c_request *req, int status)
{
unsigned int stopped = ep->stopped;
/*
* nuke - dequeue ALL requests
*/
-static void nuke(struct s3c_ep *ep, int status)
+static void nuke(struct dwc2_ep *ep, int status)
{
struct s3c_request *req;
}
}
-static void stop_activity(struct s3c_udc *dev,
+static void stop_activity(struct dwc2_udc *dev,
struct usb_gadget_driver *driver)
{
int i;
/* prevent new request submissions, kill any outstanding requests */
for (i = 0; i < S3C_MAX_ENDPOINTS; i++) {
- struct s3c_ep *ep = &dev->ep[i];
+ struct dwc2_ep *ep = &dev->ep[i];
ep->stopped = 1;
nuke(ep, -ESHUTDOWN);
}
udc_reinit(dev);
}
-static void reconfig_usbd(void)
+static void reconfig_usbd(struct dwc2_udc *dev)
{
/* 2. Soft-reset OTG Core and then unreset again. */
int i;
unsigned int uTemp = writel(CORE_SOFT_RESET, ®->grstctl);
+ uint32_t dflt_gusbcfg;
debug("Reseting OTG controller\n");
- writel(0<<15 /* PHY Low Power Clock sel*/
+ dflt_gusbcfg =
+ 0<<15 /* PHY Low Power Clock sel*/
|1<<14 /* Non-Periodic TxFIFO Rewind Enable*/
|0x5<<10 /* Turnaround time*/
|0<<9 | 0<<8 /* [0:HNP disable,1:HNP enable][ 0:SRP disable*/
|0<<6 /* 0: high speed utmi+, 1: full speed serial*/
|0<<4 /* 0: utmi+, 1:ulpi*/
|1<<3 /* phy i/f 0:8bit, 1:16bit*/
- |0x7<<0, /* HS/FS Timeout**/
- ®->gusbcfg);
+ |0x7<<0; /* HS/FS Timeout**/
+
+ if (dev->pdata->usb_gusbcfg)
+ dflt_gusbcfg = dev->pdata->usb_gusbcfg;
+
+ writel(dflt_gusbcfg, ®->gusbcfg);
/* 3. Put the OTG device core in the disconnected state.*/
uTemp = readl(®->dctl);
writel(GAHBCFG_INIT, ®->gahbcfg);
}
-static void set_max_pktsize(struct s3c_udc *dev, enum usb_device_speed speed)
+static void set_max_pktsize(struct dwc2_udc *dev, enum usb_device_speed speed)
{
unsigned int ep_ctrl;
int i;
static int s3c_ep_enable(struct usb_ep *_ep,
const struct usb_endpoint_descriptor *desc)
{
- struct s3c_ep *ep;
- struct s3c_udc *dev;
- unsigned long flags;
+ struct dwc2_ep *ep;
+ struct dwc2_udc *dev;
+ unsigned long flags = 0;
debug("%s: %p\n", __func__, _ep);
- ep = container_of(_ep, struct s3c_ep, ep);
+ ep = container_of(_ep, struct dwc2_ep, ep);
if (!_ep || !desc || ep->desc || _ep->name == ep0name
|| desc->bDescriptorType != USB_DT_ENDPOINT
|| ep->bEndpointAddress != desc->bEndpointAddress
*/
static int s3c_ep_disable(struct usb_ep *_ep)
{
- struct s3c_ep *ep;
- unsigned long flags;
+ struct dwc2_ep *ep;
+ unsigned long flags = 0;
debug("%s: %p\n", __func__, _ep);
- ep = container_of(_ep, struct s3c_ep, ep);
+ ep = container_of(_ep, struct dwc2_ep, ep);
if (!_ep || !ep->desc) {
debug("%s: %s not enabled\n", __func__,
_ep ? ep->ep.name : NULL);
/* dequeue JUST ONE request */
static int s3c_dequeue(struct usb_ep *_ep, struct usb_request *_req)
{
- struct s3c_ep *ep;
+ struct dwc2_ep *ep;
struct s3c_request *req;
- unsigned long flags;
+ unsigned long flags = 0;
debug("%s: %p\n", __func__, _ep);
- ep = container_of(_ep, struct s3c_ep, ep);
+ ep = container_of(_ep, struct dwc2_ep, ep);
if (!_ep || ep->ep.name == ep0name)
return -EINVAL;
static int s3c_fifo_status(struct usb_ep *_ep)
{
int count = 0;
- struct s3c_ep *ep;
+ struct dwc2_ep *ep;
- ep = container_of(_ep, struct s3c_ep, ep);
+ ep = container_of(_ep, struct dwc2_ep, ep);
if (!_ep) {
debug("%s: bad ep\n", __func__);
return -ENODEV;
*/
static void s3c_fifo_flush(struct usb_ep *_ep)
{
- struct s3c_ep *ep;
+ struct dwc2_ep *ep;
- ep = container_of(_ep, struct s3c_ep, ep);
+ ep = container_of(_ep, struct dwc2_ep, ep);
if (unlikely(!_ep || (!ep->desc && ep->ep.name != ep0name))) {
debug("%s: bad ep\n", __func__);
return;
/* current versions must always be self-powered */
};
-static struct s3c_udc memory = {
+static struct dwc2_udc memory = {
.usb_address = 0,
.gadget = {
.ops = &s3c_udc_ops,
int s3c_udc_probe(struct s3c_plat_otg_data *pdata)
{
- struct s3c_udc *dev = &memory;
- int retval = 0, i;
+ struct dwc2_udc *dev = &memory;
+ int retval = 0;
debug("%s: %p\n", __func__, pdata);
dev->pdata = pdata;
- phy = (struct s3c_usbotg_phy *)pdata->regs_phy;
- reg = (struct s3c_usbotg_reg *)pdata->regs_otg;
- usb_phy_ctrl = pdata->usb_phy_ctrl;
+ reg = (struct dwc2_usbotg_reg *)pdata->regs_otg;
/* regs_otg = (void *)pdata->regs_otg; */
the_controller = dev;
- for (i = 0; i < S3C_MAX_ENDPOINTS+1; i++) {
- dev->dma_buf[i] = memalign(CONFIG_SYS_CACHELINE_SIZE,
- DMA_BUFFER_SIZE);
- dev->dma_addr[i] = (dma_addr_t) dev->dma_buf[i];
- invalidate_dcache_range((unsigned long) dev->dma_buf[i],
- (unsigned long) (dev->dma_buf[i]
- + DMA_BUFFER_SIZE));
+ usb_ctrl = memalign(CONFIG_SYS_CACHELINE_SIZE,
+ ROUND(sizeof(struct usb_ctrlrequest),
+ CONFIG_SYS_CACHELINE_SIZE));
+ if (!usb_ctrl) {
+ error("No memory available for UDC!\n");
+ return -ENOMEM;
}
- usb_ctrl = dev->dma_buf[0];
- usb_ctrl_dma_addr = dev->dma_addr[0];
+
+ usb_ctrl_dma_addr = (dma_addr_t) usb_ctrl;
udc_reinit(dev);
return retval;
}
-int usb_gadget_handle_interrupts()
+int usb_gadget_handle_interrupts(int index)
{
u32 intr_status = readl(®->gintsts);
u32 gintmsk = readl(®->gintmsk);
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