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add usb debug for rk2928

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This commit is contained in:
lyz
2012-09-11 15:12:36 +08:00
parent bbbb215745
commit c3bf6e05eb
4 changed files with 99 additions and 34 deletions
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2
drivers/usb/dwc_otg/dwc_otg_cil.c
View File

@@ -732,7 +732,7 @@ void dwc_otg_core_dev_init(dwc_otg_core_if_t *_core_if)
dwc_write_reg32( &global_regs->dptxfsiz_dieptxf[3], 0x00800330 ); //ep7 tx fifo
dwc_write_reg32( &global_regs->dptxfsiz_dieptxf[4], 0x001003b0 ); //ep9 tx fifo
#endif
#ifdef CONFIG_ARCH_RK2928 //@lyz the same with RK30
#ifdef CONFIG_ARCH_RK2928
/* Configure data FIFO sizes, RK30 otg has 0x3cc dwords total */
dwc_write_reg32( &global_regs->grxfsiz, 0x00000120 );
dwc_write_reg32( &global_regs->gnptxfsiz, 0x00100120 ); //ep0 tx fifo

78
drivers/usb/dwc_otg/dwc_otg_pcd.c
View File

@@ -1590,7 +1590,6 @@ int dwc_pcd_reset(dwc_otg_pcd_t *pcd)
{
dwc_otg_core_if_t *core_if = GET_CORE_IF(pcd);
dwc_otg_disable_global_interrupts( core_if );
//
#ifdef CONFIG_ARCH_RK29
cru_set_soft_reset(SOFT_RST_USB_OTG_2_0_AHB_BUS, true);
cru_set_soft_reset(SOFT_RST_USB_OTG_2_0_PHY, true);
@@ -1762,34 +1761,44 @@ static void dwc_otg_pcd_check_vbus_timer( unsigned long data )
dwc_otg_device_t *otg_dev = (dwc_otg_device_t *)(*((uint32_t *)_dev->platform_data));
dwc_otg_pcd_t * _pcd = otg_dev->pcd;
unsigned long flags;
local_irq_save(flags);
local_irq_save(flags);
_pcd->check_vbus_timer.expires = jiffies + (HZ); /* 1 s */
if(!pldata->get_status(USB_STATUS_ID)){ // id low
if( pldata->phy_status){
if(!pldata->get_status(USB_STATUS_ID))
{ // id low
if( pldata->dwc_otg_uart_mode != NULL )
{//exit phy bypass to uart & enable usb phy
pldata->dwc_otg_uart_mode( pldata, PHY_USB_MODE);
}
if( pldata->phy_status)
{
pldata->clock_enable( pldata, 1);
pldata->phy_suspend(pldata, USB_PHY_ENABLED);
}
}
else if(pldata->get_status(USB_STATUS_BVABLID)){ // bvalid
else if(pldata->get_status(USB_STATUS_BVABLID))
{ // bvalid
/* if usb not connect before ,then start connect */
if( _pcd->vbus_status == 0 ) {
if( _pcd->vbus_status == 0 )
{
DWC_PRINT("********vbus detect*********************************************\n");
_pcd->vbus_status = 1;
if(_pcd->conn_en)
goto connect;
else if( pldata->phy_status == USB_PHY_ENABLED ){
else if( pldata->phy_status == USB_PHY_ENABLED )
{
// not connect, suspend phy
pldata->phy_suspend(pldata, USB_PHY_SUSPEND);
udelay(3);
pldata->clock_enable( pldata, 0);
}
}
else if((_pcd->conn_en)&&(_pcd->conn_status>=0)&&(_pcd->conn_status <3)){
else if((_pcd->conn_en)&&(_pcd->conn_status>=0)&&(_pcd->conn_status <3))
{
DWC_PRINT("********soft reconnect******************************************\n");
goto connect;
}
else if(_pcd->conn_status ==3){
else if(_pcd->conn_status ==3)
{
//*<2A><><EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD>ʱ<EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<CFB5><CDB3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˯<EFBFBD>ߣ<EFBFBD>yk@rk,20100331*//
dwc_otg_msc_unlock(_pcd);
_pcd->conn_status++;
@@ -1797,24 +1806,32 @@ static void dwc_otg_pcd_check_vbus_timer( unsigned long data )
_pcd->vbus_status = 2;
// not connect, suspend phy
if( pldata->phy_status == USB_PHY_ENABLED ){
if( pldata->phy_status == USB_PHY_ENABLED )
{
pldata->phy_suspend(pldata, USB_PHY_SUSPEND);
udelay(3);
pldata->clock_enable( pldata, 0);
}
}
}else {
}
else
{
_pcd->vbus_status = 0;
if(_pcd->conn_status){
if(_pcd->conn_status)
{
_pcd->conn_status = 0;
dwc_otg_msc_unlock(_pcd);
}
else if( pldata->phy_status == USB_PHY_ENABLED ){
else if( pldata->phy_status == USB_PHY_ENABLED )
{
/* no vbus detect here , close usb phy */
pldata->phy_suspend(pldata, USB_PHY_SUSPEND);
udelay(3);
pldata->clock_enable( pldata, 0);
}
pldata->clock_enable( pldata, 0);
/* usb phy bypass to uart mode */
if( pldata->dwc_otg_uart_mode != NULL )
pldata->dwc_otg_uart_mode( pldata, PHY_UART_MODE);
}
}
add_timer(&_pcd->check_vbus_timer);
local_irq_restore(flags);
@@ -1823,7 +1840,8 @@ static void dwc_otg_pcd_check_vbus_timer( unsigned long data )
connect:
if(_pcd->conn_status==0)
dwc_otg_msc_lock(_pcd);
if( pldata->phy_status){
if( pldata->phy_status)
{
pldata->clock_enable( pldata, 1);
pldata->phy_suspend(pldata, USB_PHY_ENABLED);
}
@@ -1873,7 +1891,8 @@ int dwc_otg_pcd_init(struct device *dev)
static char pcd_name[] = "dwc_otg_pcd";
dwc_otg_pcd_t *pcd;
dwc_otg_device_t *otg_dev = (dwc_otg_device_t *)(*((uint32_t *)dev->platform_data));
dwc_otg_core_if_t *core_if = otg_dev->core_if;
dwc_otg_core_if_t *core_if = otg_dev->core_if;
struct dwc_otg_platform_data *pldata = dev->platform_data;
int retval = 0;
int irq;
/*
@@ -1970,9 +1989,26 @@ int dwc_otg_pcd_init(struct device *dev)
INIT_DELAYED_WORK(&pcd->reconnect , dwc_phy_reconnect);
pcd->vbus_status = 0;
pcd->phy_suspend = 0;
if(dwc_otg_is_device_mode(core_if))
mod_timer(&pcd->check_vbus_timer, jiffies+(HZ<<4)); // delay 16 S
pcd->phy_suspend = 0;
if(dwc_otg_is_device_mode(core_if)){
#ifdef CONFIG_RK_USB_UART
if(pldata->get_status(USB_STATUS_BVABLID))
{
pldata->dwc_otg_uart_mode(pldata, PHY_USB_MODE);
}//phy usb mode
else
{
pldata->phy_suspend(pldata,USB_PHY_SUSPEND);
pldata->dwc_otg_uart_mode(pldata, PHY_UART_MODE);
}//phy bypass to uart mode
#endif
mod_timer(&pcd->check_vbus_timer, jiffies+(HZ<<4)); // delay 16 S
}
#ifdef CONFIG_RK_USB_UART
else if(pldata->dwc_otg_uart_mode != NULL)
pldata->dwc_otg_uart_mode(pldata, PHY_USB_MODE);//disable phy bypass uart
#endif
return 0;
}
/**

13
drivers/usb/dwc_otg/usbdev_rk.h
View File

@@ -2,9 +2,13 @@
#define USB_PHY_ENABLED 0
#define USB_PHY_SUSPEND 1
#define USB_STATUS_BVABLID 1
#define USB_STATUS_DPDM 2
#define USB_STATUS_ID 3
#define PHY_USB_MODE 0
#define PHY_UART_MODE 1
#define USB_STATUS_BVABLID 1
#define USB_STATUS_DPDM 2
#define USB_STATUS_ID 3
#define USB_STATUS_UARTMODE 4
struct dwc_otg_platform_data {
void *privdata;
@@ -18,5 +22,6 @@ struct dwc_otg_platform_data {
void (*clock_init)(void* pdata);
void (*clock_enable)(void* pdata, int enable);
void (*power_enable)(int enable);
void (*dwc_otg_uart_mode)(void* pdata, int enter_usb_uart_mode);
int (*get_status)(int id);
};
};

40
drivers/usb/dwc_otg/usbdev_rk2928.c
View File

@@ -17,9 +17,9 @@
#define USBOTG_SIZE RK2928_USBOTG20_SIZE
#define USBGRF_SOC_STATUS0 (GRF_REG_BASE+0x14c)
#define USBGRF_UOC0_CON5 (GRF_REG_BASE+0x17c)
#define USBGRF_UOC1_CON4 (GRF_REG_BASE+0X190)
#define USBGRF_UOC1_CON5 (GRF_REG_BASE+0x194)
int dwc_otg_check_dpdm(void)
{
static uint8_t * reg_base = 0;
@@ -27,23 +27,22 @@ int dwc_otg_check_dpdm(void)
volatile unsigned int * otg_gotgctl;
volatile unsigned int * otg_hprt0;
int bus_status = 0;
unsigned int * otg_phy_con1 = (unsigned int*)(USBGRF_UOC0_CON5);//@lyz modify UOC0_CON2 to CON5
unsigned int * otg_phy_con1 = (unsigned int*)(USBGRF_UOC0_CON5) ;
// softreset & clockgate //@lyz modify RK2928_CRU_BASE
*(unsigned int*)(RK2928_CRU_BASE+0x120) = ((7<<5)<<16)|(7<<5); // otg0 phy clkgate
udelay(3);
*(unsigned int*)(RK2928_CRU_BASE+0x120) = ((7<<5)<<16)|(0<<5); // otg0 phy clkgate
dsb();
*(unsigned int*)(RK2928_CRU_BASE+0xd4) = ((1<<5)<<16); // otg0 phy clkgate
*(unsigned int*)(RK2928_CRU_BASE+0xe4) = ((1<<13)<<16); // otg0 hclk clkgate
*(unsigned int*)(RK2928_CRU_BASE+0xf4) = ((3<<10)<<16); // hclk usb clkgate//@lyz to be check
*(unsigned int*)(RK2928_CRU_BASE+0xf4) = ((3<<10)<<16); // hclk usb clkgat
// exit phy suspend
*otg_phy_con1 = ((0x01<<0)<<16); // exit suspend.@lyz
*otg_phy_con1 = ((0x01<<0)<<16);
// soft connect
if(reg_base == 0){
reg_base = ioremap(RK2928_USBOTG20_PHYS,USBOTG_SIZE);//@lyz
reg_base = ioremap(RK2928_USBOTG20_PHYS,USBOTG_SIZE);
if(!reg_base){
bus_status = -1;
goto out;
@@ -103,7 +102,7 @@ void usb20otg_phy_suspend(void* pdata, int suspend)
struct dwc_otg_platform_data *usbpdata=pdata;
unsigned int * otg_phy_con1 = (unsigned int*)(USBGRF_UOC0_CON5);
if(suspend){
*otg_phy_con1 = 0x1D5 |(0x1ff<<16); // enter suspend.
*otg_phy_con1 = 0x55 |(0x7f<<16); // enter suspend.
usbpdata->phy_status = 1;
}
else{
@@ -152,6 +151,7 @@ int usb20otg_get_status(int id)
{
int ret = -1;
unsigned int usbgrf_status = *(unsigned int*)(USBGRF_SOC_STATUS0);
unsigned int uoc1_con4 = *(unsigned int*)(USBGRF_UOC1_CON4);
switch(id)
{
case USB_STATUS_BVABLID:
@@ -166,11 +166,34 @@ int usb20otg_get_status(int id)
// id in grf
ret = (usbgrf_status &(1<<10));
break;
case USB_STATUS_UARTMODE:
// usb_uart_mode in grf
ret = (uoc1_con4 &(1<<13));
default:
break;
}
return ret;
}
void dwc_otg_uart_mode(void* pdata, int enter_usb_uart_mode)
{
#ifdef CONFIG_RK_USB_UART
//struct dwc_otg_platform_data *usbpdata=pdata;//1:uart 0:usb
unsigned int * otg_phy_con1 = (unsigned int*)(USBGRF_UOC1_CON4);
//printk("usb_uart_mode = %d,enter_usb_uart_mode = %d\n",otg_phy_con1,enter_usb_uart_mode);
if(1 == enter_usb_uart_mode) //uart mode
{
*otg_phy_con1 = (0x03 << 12 | (0x03<<(16+12)));//bypass dm
//printk("phy enter uart mode USBGRF_UOC1_CON4 = %08x\n",*otg_phy_con1);
}
if(0 == enter_usb_uart_mode) //usb mode
{
*otg_phy_con1 = (0x03<<(12+16)); //bypass dm disable
//printk("phy enter usb mode USBGRF_UOC1_CON4 = %8x\n",*otg_phy_con1);
}
#endif
}
void usb20otg_power_enable(int enable)
{
}
@@ -185,6 +208,7 @@ struct dwc_otg_platform_data usb20otg_pdata = {
.clock_init=usb20otg_clock_init,
.clock_enable=usb20otg_clock_enable,
.get_status=usb20otg_get_status,
.dwc_otg_uart_mode=dwc_otg_uart_mode,
};
struct platform_device device_usb20_otg = {