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skip snpsid check for gd32, abstract phyfs turnaround, set max timeout calibration.

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still has issue with gd32 with msc (does work with running with rtt as
log).
This commit is contained in:
hathach
2021-10-29 16:08:19 +07:00
parent 6c67fc4125
commit 660e8b8c88
7 changed files with 143 additions and 146 deletions
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193
src/portable/synopsys/dwc2/dcd_dwc2.c
View File

@@ -54,16 +54,8 @@
#define DWC2_REG(_port) ((dwc2_regs_t*) DWC2_REG_BASE)
enum
{
DCD_HIGH_SPEED = 0, // Highspeed mode
DCD_FULL_SPEED_USE_HS = 1, // Full speed in Highspeed port (probably with internal PHY)
DCD_FULL_SPEED = 3, // Full speed with internal PHY
};
// PHYSEL, ULPISEL
// UTMI internal HS PHY
// ULPI external HS PHY
// Debug level for DWC2
#define DWC2_DEBUG 1
static TU_ATTR_ALIGNED(4) uint32_t _setup_packet[2];
@@ -261,71 +253,73 @@ static void edpt_schedule_packets(uint8_t rhport, uint8_t const epnum, uint8_t c
/*------------------------------------------------------------------*/
/* Controller API
*------------------------------------------------------------------*/
#if CFG_TUSB_DEBUG >= DWC2_DEBUG
void print_dwc2_info(dwc2_regs_t * dwc2)
{
dwc2_ghwcfg2_t const * hw_cfg2 = &dwc2->ghwcfg2_bm;
dwc2_ghwcfg3_t const * hw_cfg3 = &dwc2->ghwcfg3_bm;
dwc2_ghwcfg4_t const * hw_cfg4 = &dwc2->ghwcfg4_bm;
TU_LOG_HEX(1, dwc2->guid);
TU_LOG_HEX(1, dwc2->gsnpsid);
TU_LOG_HEX(1, dwc2->ghwcfg1);
TU_LOG_HEX(DWC2_DEBUG, dwc2->guid);
TU_LOG_HEX(DWC2_DEBUG, dwc2->gsnpsid);
TU_LOG_HEX(DWC2_DEBUG, dwc2->ghwcfg1);
// HW configure 2
TU_LOG(1, "\r\n");
TU_LOG_HEX(1, dwc2->ghwcfg2);
TU_LOG_INT(1, hw_cfg2->op_mode );
TU_LOG_INT(1, hw_cfg2->arch );
TU_LOG_INT(1, hw_cfg2->point2point );
TU_LOG_INT(1, hw_cfg2->hs_phy_type );
TU_LOG_INT(1, hw_cfg2->fs_phy_type );
TU_LOG_INT(1, hw_cfg2->num_dev_ep );
TU_LOG_INT(1, hw_cfg2->num_host_ch );
TU_LOG_INT(1, hw_cfg2->period_channel_support );
TU_LOG_INT(1, hw_cfg2->enable_dynamic_fifo );
TU_LOG_INT(1, hw_cfg2->mul_cpu_int );
TU_LOG_INT(1, hw_cfg2->nperiod_tx_q_depth );
TU_LOG_INT(1, hw_cfg2->host_period_tx_q_depth );
TU_LOG_INT(1, hw_cfg2->dev_token_q_depth );
TU_LOG_INT(1, hw_cfg2->otg_enable_ic_usb );
TU_LOG(DWC2_DEBUG, "\r\n");
TU_LOG_HEX(DWC2_DEBUG, dwc2->ghwcfg2);
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->op_mode );
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->arch );
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->point2point );
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->hs_phy_type );
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->fs_phy_type );
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->num_dev_ep );
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->num_host_ch );
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->period_channel_support );
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->enable_dynamic_fifo );
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->mul_cpu_int );
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->nperiod_tx_q_depth );
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->host_period_tx_q_depth );
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->dev_token_q_depth );
TU_LOG_INT(DWC2_DEBUG, hw_cfg2->otg_enable_ic_usb );
// HW configure 3
TU_LOG(1, "\r\n");
TU_LOG_HEX(1, dwc2->ghwcfg3);
TU_LOG_INT(1, hw_cfg3->xfer_size_width );
TU_LOG_INT(1, hw_cfg3->packet_size_width );
TU_LOG_INT(1, hw_cfg3->otg_enable );
TU_LOG_INT(1, hw_cfg3->i2c_enable );
TU_LOG_INT(1, hw_cfg3->vendor_ctrl_itf );
TU_LOG_INT(1, hw_cfg3->optional_feature_removed );
TU_LOG_INT(1, hw_cfg3->synch_reset );
TU_LOG_INT(1, hw_cfg3->otg_adp_support );
TU_LOG_INT(1, hw_cfg3->otg_enable_hsic );
TU_LOG_INT(1, hw_cfg3->battery_charger_support );
TU_LOG_INT(1, hw_cfg3->lpm_mode );
TU_LOG_INT(1, hw_cfg3->total_fifo_size );
TU_LOG(DWC2_DEBUG, "\r\n");
TU_LOG_HEX(DWC2_DEBUG, dwc2->ghwcfg3);
TU_LOG_INT(DWC2_DEBUG, hw_cfg3->xfer_size_width );
TU_LOG_INT(DWC2_DEBUG, hw_cfg3->packet_size_width );
TU_LOG_INT(DWC2_DEBUG, hw_cfg3->otg_enable );
TU_LOG_INT(DWC2_DEBUG, hw_cfg3->i2c_enable );
TU_LOG_INT(DWC2_DEBUG, hw_cfg3->vendor_ctrl_itf );
TU_LOG_INT(DWC2_DEBUG, hw_cfg3->optional_feature_removed );
TU_LOG_INT(DWC2_DEBUG, hw_cfg3->synch_reset );
TU_LOG_INT(DWC2_DEBUG, hw_cfg3->otg_adp_support );
TU_LOG_INT(DWC2_DEBUG, hw_cfg3->otg_enable_hsic );
TU_LOG_INT(DWC2_DEBUG, hw_cfg3->battery_charger_support );
TU_LOG_INT(DWC2_DEBUG, hw_cfg3->lpm_mode );
TU_LOG_INT(DWC2_DEBUG, hw_cfg3->total_fifo_size );
// HW configure 4
TU_LOG(1, "\r\n");
TU_LOG_HEX(1, dwc2->ghwcfg4);
TU_LOG_INT(1, hw_cfg4->num_dev_period_in_ep );
TU_LOG_INT(1, hw_cfg4->power_optimized );
TU_LOG_INT(1, hw_cfg4->ahb_freq_min );
TU_LOG_INT(1, hw_cfg4->hibernation );
TU_LOG_INT(1, hw_cfg4->service_interval_mode );
TU_LOG_INT(1, hw_cfg4->ipg_isoc_en );
TU_LOG_INT(1, hw_cfg4->acg_enable );
TU_LOG_INT(1, hw_cfg4->utmi_phy_data_width );
TU_LOG_INT(1, hw_cfg4->dev_ctrl_ep_num );
TU_LOG_INT(1, hw_cfg4->iddg_filter_enabled );
TU_LOG_INT(1, hw_cfg4->vbus_valid_filter_enabled );
TU_LOG_INT(1, hw_cfg4->a_valid_filter_enabled );
TU_LOG_INT(1, hw_cfg4->b_valid_filter_enabled );
TU_LOG_INT(1, hw_cfg4->dedicated_fifos );
TU_LOG_INT(1, hw_cfg4->num_dev_in_eps );
TU_LOG_INT(1, hw_cfg4->dma_desc_enable );
TU_LOG_INT(1, hw_cfg4->dma_dynamic );
TU_LOG(DWC2_DEBUG, "\r\n");
TU_LOG_HEX(DWC2_DEBUG, dwc2->ghwcfg4);
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->num_dev_period_in_ep );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->power_optimized );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->ahb_freq_min );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->hibernation );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->service_interval_mode );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->ipg_isoc_en );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->acg_enable );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->utmi_phy_data_width );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->dev_ctrl_ep_num );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->iddg_filter_enabled );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->vbus_valid_filter_enabled );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->a_valid_filter_enabled );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->b_valid_filter_enabled );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->dedicated_fifos );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->num_dev_in_eps );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->dma_desc_enable );
TU_LOG_INT(DWC2_DEBUG, hw_cfg4->dma_dynamic );
}
#endif
static void reset_core(dwc2_regs_t * dwc2)
{
@@ -342,14 +336,15 @@ static void reset_core(dwc2_regs_t * dwc2)
// wait for device mode ?
}
static bool has_hs_phy(dwc2_regs_t * dwc2)
static bool phy_hs_supported(dwc2_regs_t * dwc2)
{
// note: esp32 incorrect report its hs_phy_type as utmi
return TUD_OPT_HIGH_SPEED && dwc2->ghwcfg2_bm.hs_phy_type != HS_PHY_TYPE_NONE;
}
static void phy_fs_init(dwc2_regs_t * dwc2)
{
TU_LOG1("Fullspeed PHY init\r\n");
TU_LOG(DWC2_DEBUG, "Fullspeed PHY init\r\n");
// Select FS PHY
dwc2->gusbcfg |= GUSBCFG_PHYSEL;
@@ -358,11 +353,11 @@ static void phy_fs_init(dwc2_regs_t * dwc2)
reset_core(dwc2);
// set turn around
// The values above are calculated for the minimum AHB frequency of 30 MHz. USB turnaround
// time is critical for certification where long cables and 5-Hubs are used, so if
// you need the AHB to run at less than 30 MHz, and if USB turnaround time is not critical,
// USB turnaround time is critical for certification where long cables and 5-Hubs are used.
// So if you need the AHB to run at less than 30 MHz, and if USB turnaround time is not critical,
// these bits can be programmed to a larger value.
dwc2_set_turnaround(dwc2, TUSB_SPEED_FULL);
//TU_LOG_INT(DWC2_DEBUG, (dwc2->gusbcfg & GUSBCFG_TRDT_Msk) >> GUSBCFG_TRDT_Pos );
dwc2_phyfs_set_turnaround(dwc2);
// set max speed
dwc2->dcfg = (dwc2->dcfg & ~DCFG_DSPD_Msk) | (DCFG_DSPD_FS << DCFG_DSPD_Pos);
@@ -382,7 +377,7 @@ static void phy_hs_init(dwc2_regs_t * dwc2)
if (dwc2->ghwcfg2_bm.hs_phy_type == HS_PHY_TYPE_ULPI)
{
TU_LOG1("Highspeed ULPI PHY init\r\n");
TU_LOG(DWC2_DEBUG, "Highspeed ULPI PHY init\r\n");
// Select ULPI
gusbcfg |= GUSBCFG_ULPI_UTMI_SEL;
@@ -397,7 +392,7 @@ static void phy_hs_init(dwc2_regs_t * dwc2)
gusbcfg &= ~(GUSBCFG_ULPIFSLS | GUSBCFG_ULPICSM);
}else
{
TU_LOG1("Highspeed UTMI+ PHY init\r\n");
TU_LOG(DWC2_DEBUG, "Highspeed UTMI+ PHY init\r\n");
// Select UTMI+ with 8-bit interface
gusbcfg &= ~(GUSBCFG_ULPI_UTMI_SEL | GUSBCFG_PHYIF16);
@@ -422,11 +417,8 @@ static void phy_hs_init(dwc2_regs_t * dwc2)
reset_core(dwc2);
// Set turn-around, must after core reset otherwise it will be clear
// 9 if UTMI interface is 8-bit, 5 if 16-bit
// The values above are calculated for the minimum AHB frequency of 30 MHz. USB turnaround
// time is critical for certification where long cables and 5-Hubs are used, so if
// you need the AHB to run at less than 30 MHz, and if USB turnaround time is not critical,
// these bits can be programmed to a larger value.
// - 9 if using 8-bit PHY interface
// - 5 if using 16-bit PHY interface
gusbcfg &= ~GUSBCFG_TRDT_Msk;
gusbcfg |= (dwc2->ghwcfg4_bm.utmi_phy_data_width ? 5u : 9u) << GUSBCFG_TRDT_Pos;
dwc2->gusbcfg = gusbcfg; // Apply config
@@ -435,31 +427,45 @@ static void phy_hs_init(dwc2_regs_t * dwc2)
dwc2->dcfg = (dwc2->dcfg & ~DCFG_DSPD_Msk) | (DCFG_DSPD_HS << DCFG_DSPD_Pos);
}
static bool check_dwc2(dwc2_regs_t * dwc2)
{
// For some reasons: GD32VF103 snpsid and all hwcfg register are always zero (skip it)
#if !TU_CHECK_MCU(OPT_MCU_GD32VF103)
uint32_t const gsnpsid = dwc2->gsnpsid & GSNPSID_ID_MASK;
TU_ASSERT(gsnpsid == DWC2_OTG_ID || gsnpsid == DWC2_FS_IOT_ID || gsnpsid == DWC2_HS_IOT_ID);
#endif
#if CFG_TUSB_DEBUG >= DWC2_DEBUG
print_dwc2_info(dwc2);
#endif
return true;
}
void dcd_init (uint8_t rhport)
{
// Programming model begins in the last section of the chapter on the USB
// peripheral in each Reference Manual.
dwc2_regs_t * dwc2 = DWC2_REG(rhport);
// Check Synopsys ID, failed if controller is not enabled
uint32_t const gsnpsid = dwc2->gsnpsid & GSNPSID_ID_MASK;
TU_ASSERT(gsnpsid == DWC2_OTG_ID || gsnpsid == DWC2_FS_IOT_ID || gsnpsid == DWC2_HS_IOT_ID, );
print_dwc2_info(dwc2);
// Check Synopsys ID register, failed if controller clock/power is not enabled
TU_VERIFY(check_dwc2(dwc2), );
// Force device mode
dwc2->gusbcfg = (dwc2->gusbcfg & ~GUSBCFG_FHMOD) | GUSBCFG_FDMOD;
if( !has_hs_phy(dwc2) )
{
// core does not support highspeed or hs-phy is not present
phy_fs_init(dwc2);
}else
if( phy_hs_supported(dwc2) )
{
// Highspeed
phy_hs_init(dwc2);
}else
{
// core does not support highspeed or hs-phy is not present
phy_fs_init(dwc2);
}
TU_LOG_HEX(DWC2_DEBUG, dwc2->gusbcfg);
/* Set HS/FS Timeout Calibration to 7 (max available value).
* The number of PHY clocks that the application programs in
* this field is added to the high/full speed interpacket timeout
@@ -468,7 +474,7 @@ void dcd_init (uint8_t rhport)
* introduced by the PHY in generating the linestate condition
* can vary from one PHY to another.
*/
// dwc2->gusbcfg |= (7ul << GUSBCFG_TOCAL_Pos);
dwc2->gusbcfg |= (7ul << GUSBCFG_TOCAL_Pos);
// Restart PHY clock
dwc2->pcgctl &= ~(PCGCTL_STOPPCLK | PCGCTL_GATEHCLK | PCGCTL_PWRCLMP | PCGCTL_RSTPDWNMODULE);
@@ -617,7 +623,7 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
_allocated_fifo_words_tx += fifo_size;
TU_LOG(2, " Allocated %u bytes at offset %u", fifo_size*4, DWC2_EP_FIFO_SIZE-_allocated_fifo_words_tx*4);
TU_LOG(DWC2_DEBUG, " Allocated %u bytes at offset %u", fifo_size*4, DWC2_EP_FIFO_SIZE-_allocated_fifo_words_tx*4);
// DIEPTXF starts at FIFO #1.
// Both TXFD and TXSA are in unit of 32-bit words.
@@ -1110,14 +1116,15 @@ void dcd_int_handler(uint8_t rhport)
speed = TUSB_SPEED_HIGH;
break;
case DSTS_ENUMSPD_FS_HSPHY:
case DSTS_ENUMSPD_FS:
speed = TUSB_SPEED_FULL;
break;
case DSTS_ENUMSPD_LS:
speed = TUSB_SPEED_LOW;
break;
case DSTS_ENUMSPD_FS_HSPHY:
case DSTS_ENUMSPD_FS:
default:
speed = TUSB_SPEED_FULL;
break;
}
dcd_event_bus_reset(rhport, speed, true);
@@ -1204,7 +1211,7 @@ void dcd_int_handler(uint8_t rhport)
// // Check for Incomplete isochronous IN transfer
// if(int_status & GINTSTS_IISOIXFR) {
// printf(" IISOIXFR!\r\n");
//// TU_LOG2(" IISOIXFR!\r\n");
//// TU_LOG(DWC2_DEBUG, " IISOIXFR!\r\n");
// }
}

7
src/portable/synopsys/dwc2/dwc2_bcm.h
View File

@@ -58,11 +58,10 @@ static inline void dwc2_remote_wakeup_delay(void)
// TODO implement later
}
static inline void dwc2_set_turnaround(dwc2_regs_t * core, tusb_speed_t speed)
static inline void dwc2_phyfs_set_turnaround(dwc2_regs_t * dwc2)
{
// TODO implement later
(void) core;
(void) speed;
(void) dwc2;
// do nothing since bcm alwyas use HS PHY
}
#ifdef __cplusplus

8
src/portable/synopsys/dwc2/dwc2_esp32.h
View File

@@ -67,12 +67,10 @@ static inline void dwc2_remote_wakeup_delay(void)
vTaskDelay(pdMS_TO_TICKS(1));
}
static inline void dwc2_set_turnaround(dwc2_regs_t * core, tusb_speed_t speed)
static inline void dwc2_phyfs_set_turnaround(dwc2_regs_t * dwc2)
{
(void) core;
(void) speed;
// keep the reset value
(void) dwc2;
// keep the reset value which is 5 on this port
}
#ifdef __cplusplus

8
src/portable/synopsys/dwc2/dwc2_gd32.h
View File

@@ -76,12 +76,10 @@ static inline void dwc2_remote_wakeup_delay(void)
while ( count-- ) __asm volatile ("nop");
}
static inline void dwc2_set_turnaround(dwc2_regs_t * core, tusb_speed_t speed)
static inline void dwc2_phyfs_set_turnaround(dwc2_regs_t * dwc2)
{
(void) core;
(void) speed;
// keep the reset value
// use recommeded value 6 by stm32 for mcu with AHB clock > 32Mhz
dwc2->gusbcfg = (dwc2->gusbcfg & GUSBCFG_TRDT_Msk) | (6u << GUSBCFG_TRDT_Pos);
}

57
src/portable/synopsys/dwc2/dwc2_stm32.h
View File

@@ -113,44 +113,33 @@ static inline void dwc2_remote_wakeup_delay(void)
}
// Set turn-around timeout according to link speed
static inline void dwc2_set_turnaround(dwc2_regs_t * dwc2, tusb_speed_t speed)
static inline void dwc2_phyfs_set_turnaround(dwc2_regs_t * dwc2)
{
dwc2->gusbcfg &= ~GUSBCFG_TRDT;
// Turnaround timeout depends on the AHB clock dictated by STM32 Reference Manual
uint32_t turnaround;
if ( speed == TUSB_SPEED_HIGH )
{
// Use fixed 0x09 for Highspeed
dwc2->gusbcfg |= (0x09 << GUSBCFG_TRDT_Pos);
}
if ( SystemCoreClock >= 32000000U )
turnaround = 0x6u;
else if ( SystemCoreClock >= 27500000U )
turnaround = 0x7u;
else if ( SystemCoreClock >= 24000000U )
turnaround = 0x8u;
else if ( SystemCoreClock >= 21800000U )
turnaround = 0x9u;
else if ( SystemCoreClock >= 20000000U )
turnaround = 0xAu;
else if ( SystemCoreClock >= 18500000U )
turnaround = 0xBu;
else if ( SystemCoreClock >= 17200000U )
turnaround = 0xCu;
else if ( SystemCoreClock >= 16000000U )
turnaround = 0xDu;
else if ( SystemCoreClock >= 15000000U )
turnaround = 0xEu;
else
{
// Turnaround timeout depends on the MCU clock
uint32_t turnaround;
turnaround = 0xFu;
if ( SystemCoreClock >= 32000000U )
turnaround = 0x6U;
else if ( SystemCoreClock >= 27500000U )
turnaround = 0x7U;
else if ( SystemCoreClock >= 24000000U )
turnaround = 0x8U;
else if ( SystemCoreClock >= 21800000U )
turnaround = 0x9U;
else if ( SystemCoreClock >= 20000000U )
turnaround = 0xAU;
else if ( SystemCoreClock >= 18500000U )
turnaround = 0xBU;
else if ( SystemCoreClock >= 17200000U )
turnaround = 0xCU;
else if ( SystemCoreClock >= 16000000U )
turnaround = 0xDU;
else if ( SystemCoreClock >= 15000000U )
turnaround = 0xEU;
else
turnaround = 0xFU;
// Fullspeed depends on MCU clocks, but we will use 0x06 for 32+ Mhz
dwc2->gusbcfg |= (turnaround << GUSBCFG_TRDT_Pos);
}
dwc2->gusbcfg = (dwc2->gusbcfg & GUSBCFG_TRDT_Msk) | (turnaround << GUSBCFG_TRDT_Pos);
}
#if defined(USB_HS_PHYC)

13
src/portable/synopsys/dwc2/dwc2_type.h
View File

@@ -59,12 +59,19 @@ typedef struct
#endif
enum {
HS_PHY_TYPE_NONE = 0 ,
HS_PHY_TYPE_NONE = 0 , // not supported
HS_PHY_TYPE_UTMI , // internal PHY (mostly)
HS_PHY_TYPE_ULPI , // external PHY
HS_PHY_TYPE_UTMI_ULPI ,
};
enum {
FS_PHY_TYPE_NONE = 0, // not supported
FS_PHY_TYPE_DEDICATED,
FS_PHY_TYPE_UTMI,
FS_PHY_TYPE_ULPI,
};
typedef struct TU_ATTR_PACKED
{
uint32_t op_mode : 3; // 0: HNP and SRP | 1: SRP | 2: non-HNP, non-SRP
@@ -531,10 +538,6 @@ TU_VERIFY_STATIC(offsetof(dwc2_regs_t, fifo ) == 0x1000, "incorrect size");
#define GUSBCFG_TRDT_Pos (10U)
#define GUSBCFG_TRDT_Msk (0xFUL << GUSBCFG_TRDT_Pos) // 0x00003C00 */
#define GUSBCFG_TRDT GUSBCFG_TRDT_Msk // USB turnaround time */
#define GUSBCFG_TRDT_0 (0x1UL << GUSBCFG_TRDT_Pos) // 0x00000400 */
#define GUSBCFG_TRDT_1 (0x2UL << GUSBCFG_TRDT_Pos) // 0x00000800 */
#define GUSBCFG_TRDT_2 (0x4UL << GUSBCFG_TRDT_Pos) // 0x00001000 */
#define GUSBCFG_TRDT_3 (0x8UL << GUSBCFG_TRDT_Pos) // 0x00002000 */
#define GUSBCFG_PHYLPCS_Pos (15U)
#define GUSBCFG_PHYLPCS_Msk (0x1UL << GUSBCFG_PHYLPCS_Pos) // 0x00008000 */
#define GUSBCFG_PHYLPCS GUSBCFG_PHYLPCS_Msk // PHY Low-power clock select */