diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/synopsys/dwc2/dcd_dwc2.c | 192 | ||||
| -rw-r--r-- | src/portable/synopsys/dwc2/dwc2_common.c | 9 | ||||
| -rw-r--r-- | src/portable/synopsys/dwc2/dwc2_common.h | 2 | ||||
| -rw-r--r-- | src/portable/synopsys/dwc2/dwc2_type.h | 173 | ||||
| -rw-r--r-- | src/portable/synopsys/dwc2/hcd_dwc2.c | 10 |
5 files changed, 243 insertions, 143 deletions
diff --git a/src/portable/synopsys/dwc2/dcd_dwc2.c b/src/portable/synopsys/dwc2/dcd_dwc2.c index 80287305a..ae6377a49 100644 --- a/src/portable/synopsys/dwc2/dcd_dwc2.c +++ b/src/portable/synopsys/dwc2/dcd_dwc2.c @@ -37,6 +37,12 @@ #include "device/dcd.h" #include "dwc2_common.h" +#if TU_CHECK_MCU(OPT_MCU_GD32VF103) + #define DWC2_EP_COUNT(_dwc2) DWC2_EP_MAX +#else + #define DWC2_EP_COUNT(_dwc2) ((_dwc2)->ghwcfg2_bm.num_dev_ep) +#endif + //--------------------------------------------------------------------+ // MACRO TYPEDEF CONSTANT ENUM //--------------------------------------------------------------------+ @@ -282,58 +288,6 @@ static void edpt_disable(uint8_t rhport, uint8_t ep_addr, bool stall) { } } -// Start of Bus Reset -static void bus_reset(uint8_t rhport) { - dwc2_regs_t* dwc2 = DWC2_REG(rhport); - uint8_t const ep_count = _dwc2_controller[rhport].ep_count; - - tu_memclr(xfer_status, sizeof(xfer_status)); - - _sof_en = false; - _allocated_ep_in_count = 1; - - // 1. NAK for all OUT endpoints - for (uint8_t n = 0; n < ep_count; n++) { - dwc2->epout[n].doepctl |= DOEPCTL_SNAK; - } - - // 2. Disable all IN endpoints - for (uint8_t n = 0; n < ep_count; n++) { - if (dwc2->epin[n].diepctl & DIEPCTL_EPENA) { - dwc2->epin[n].diepctl |= DIEPCTL_SNAK | DIEPCTL_EPDIS; - } - } - - dfifo_flush_tx(dwc2, 0x10); // all tx fifo - dfifo_flush_rx(dwc2); - - // 3. Set up interrupt mask for EP0 - dwc2->daintmsk = TU_BIT(DAINTMSK_OEPM_Pos) | TU_BIT(DAINTMSK_IEPM_Pos); - dwc2->doepmsk = DOEPMSK_STUPM | DOEPMSK_XFRCM; - dwc2->diepmsk = DIEPMSK_TOM | DIEPMSK_XFRCM; - - // 4. Set up DFIFO - dfifo_device_init(rhport); - - // 5. Reset device address - dwc2->dcfg &= ~DCFG_DAD_Msk; - - // Fixed both control EP0 size to 64 bytes - dwc2->epin[0].diepctl &= ~(0x03 << DIEPCTL_MPSIZ_Pos); - dwc2->epout[0].doepctl &= ~(0x03 << DOEPCTL_MPSIZ_Pos); - - xfer_status[0][TUSB_DIR_OUT].max_size = 64; - xfer_status[0][TUSB_DIR_IN].max_size = 64; - - if(dma_device_enabled(dwc2)) { - dma_setup_prepare(rhport); - } else { - dwc2->epout[0].doeptsiz |= (3 << DOEPTSIZ_STUPCNT_Pos); - } - - dwc2->gintmsk |= GINTMSK_OEPINT | GINTMSK_IEPINT; -} - static void edpt_schedule_packets(uint8_t rhport, uint8_t const epnum, uint8_t const dir, uint16_t const num_packets, uint16_t total_bytes) { (void) rhport; @@ -412,18 +366,10 @@ bool dcd_init(uint8_t rhport, const tusb_rhport_init_t* rh_init) { // Core Initialization const bool is_highspeed = dwc2_core_is_highspeed(dwc2, TUSB_ROLE_DEVICE); - TU_ASSERT(dwc2_core_init(rhport, is_highspeed)); - - if (dma_device_enabled(dwc2)) { - // DMA seems to be only settable after a core reset, and not possible to switch on-the-fly - dwc2->gahbcfg |= GAHBCFG_DMAEN | GAHBCFG_HBSTLEN_2; - } else { - dwc2->gintmsk |= GINTSTS_RXFLVL; - } - - // Device Initialization - dcd_disconnect(rhport); + const bool is_dma = dma_device_enabled(dwc2); + TU_ASSERT(dwc2_core_init(rhport, is_highspeed, is_dma)); + //------------- 7.1 Device Initialization -------------// // Set device max speed uint32_t dcfg = dwc2->dcfg & ~DCFG_DSPD_Msk; if (is_highspeed) { @@ -434,20 +380,21 @@ bool dcd_init(uint8_t rhport, const tusb_rhport_init_t* rh_init) { if (dwc2->ghwcfg2_bm.hs_phy_type == GHWCFG2_HSPHY_ULPI) { dcfg |= DCFG_XCVRDLY; } - }else { + } else { dcfg |= DCFG_DSPD_FS << DCFG_DSPD_Pos; } + + dcfg |= DCFG_NZLSOHSK; // send STALL back and discard if host send non-zlp during control status dwc2->dcfg = dcfg; + dcd_disconnect(rhport); + // Force device mode dwc2->gusbcfg = (dwc2->gusbcfg & ~GUSBCFG_FHMOD) | GUSBCFG_FDMOD; // Clear A override, force B Valid dwc2->gotgctl = (dwc2->gotgctl & ~GOTGCTL_AVALOEN) | GOTGCTL_BVALOEN | GOTGCTL_BVALOVAL; - // If USB host misbehaves during status portion of control xfer (non zero-length packet), send STALL back and discard - dwc2->dcfg |= DCFG_NZLSOHSK; - // Enable required interrupts dwc2->gintmsk |= GINTMSK_OTGINT | GINTMSK_USBSUSPM | GINTMSK_USBRST | GINTMSK_ENUMDNEM | GINTMSK_WUIM; @@ -677,6 +624,57 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr) { // Interrupt Handler //-------------------------------------------------------------------- +// 7.4.1 Initialization on USB Reset +static void handle_bus_reset(uint8_t rhport) { + dwc2_regs_t *dwc2 = DWC2_REG(rhport); + const uint8_t ep_count = DWC2_EP_COUNT(dwc2); + + tu_memclr(xfer_status, sizeof(xfer_status)); + + _sof_en = false; + _allocated_ep_in_count = 1; + + // 1. NAK for all OUT endpoints + for (uint8_t n = 0; n < ep_count; n++) { + dwc2->epout[n].doepctl |= DOEPCTL_SNAK; + } + + // Disable all IN endpoints + for (uint8_t n = 0; n < ep_count; n++) { + if (dwc2->epin[n].diepctl & DIEPCTL_EPENA) { + dwc2->epin[n].diepctl |= DIEPCTL_SNAK | DIEPCTL_EPDIS; + } + } + + // 2. Set up interrupt mask for EP0 + dwc2->daintmsk = TU_BIT(DAINTMSK_OEPM_Pos) | TU_BIT(DAINTMSK_IEPM_Pos); + dwc2->doepmsk = DOEPMSK_STUPM | DOEPMSK_XFRCM; + dwc2->diepmsk = DIEPMSK_TOM | DIEPMSK_XFRCM; + + // 4. Set up DFIFO + dfifo_flush_tx(dwc2, 0x10); // all tx fifo + dfifo_flush_rx(dwc2); + dfifo_device_init(rhport); + + // 5. Reset device address + dwc2->dcfg_bm.address = 0; + + // Fixed both control EP0 size to 64 bytes + dwc2->epin[0].ctl &= ~(0x03 << DIEPCTL_MPSIZ_Pos); + dwc2->epout[0].ctl &= ~(0x03 << DOEPCTL_MPSIZ_Pos); + + xfer_status[0][TUSB_DIR_OUT].max_size = 64; + xfer_status[0][TUSB_DIR_IN].max_size = 64; + + if(dma_device_enabled(dwc2)) { + dma_setup_prepare(rhport); + } else { + dwc2->epout[0].doeptsiz |= (3 << DOEPTSIZ_STUPCNT_Pos); + } + + dwc2->gintmsk |= GINTMSK_OEPINT | GINTMSK_IEPINT; +} + // Process shared receive FIFO, this interrupt is only used in Slave mode static void handle_rxflvl_irq(uint8_t rhport) { dwc2_regs_t* dwc2 = DWC2_REG(rhport); @@ -686,7 +684,7 @@ static void handle_rxflvl_irq(uint8_t rhport) { const dwc2_grxstsp_t grxstsp_bm = dwc2->grxstsp_bm; const uint8_t epnum = grxstsp_bm.ep_ch_num; const uint16_t byte_count = grxstsp_bm.byte_count; - dwc2_epout_t* epout = &dwc2->epout[epnum]; + dwc2_dep_t* epout = &dwc2->epout[epnum]; switch (grxstsp_bm.packet_status) { // Global OUT NAK: do nothing @@ -724,7 +722,7 @@ static void handle_rxflvl_irq(uint8_t rhport) { // short packet, minus remaining bytes (xfer_size) if (byte_count < xfer->max_size) { - xfer->total_len -= epout->doeptsiz_bm.xfer_size; + xfer->total_len -= epout->tsiz_bm.xfer_size; if (epnum == 0) { xfer->total_len -= ep0_pending[TUSB_DIR_OUT]; ep0_pending[TUSB_DIR_OUT] = 0; @@ -753,7 +751,7 @@ static void handle_epout_irq(uint8_t rhport) { // OEPINT will be cleared when DAINT's out bits are cleared. for (uint8_t epnum = 0; epnum < ep_count; epnum++) { if (dwc2->daint & TU_BIT(DAINT_OEPINT_Pos + epnum)) { - dwc2_epout_t* epout = &dwc2->epout[epnum]; + dwc2_dep_t* epout = &dwc2->epout[epnum]; const uint32_t doepint = epout->doepint; TU_ASSERT((epout->doepint & DOEPINT_AHBERR) == 0, ); @@ -829,7 +827,7 @@ static void handle_epin_irq(uint8_t rhport) { if (dwc2->daint & TU_BIT(DAINT_IEPINT_Pos + n)) { // IN XFER complete (entire xfer). xfer_ctl_t* xfer = XFER_CTL_BASE(n, TUSB_DIR_IN); - dwc2_epin_t* epin = &dwc2->epin[n]; + dwc2_dep_t* epin = &dwc2->epin[n]; if (epin->diepint & DIEPINT_XFRC) { epin->diepint = DIEPINT_XFRC; @@ -852,11 +850,11 @@ static void handle_epin_irq(uint8_t rhport) { // It will only be cleared by hardware when written bytes is more than // - 64 bytes or // - Half/Empty of TX FIFO size (configured by GAHBCFG.TXFELVL) - const uint16_t remain_packets = epin->dieptsiz_bm.packet_count; + const uint16_t remain_packets = epin->tsiz_bm.packet_count; // Process every single packet (only whole packets can be written to fifo) for (uint16_t i = 0; i < remain_packets; i++) { - const uint16_t remain_bytes = (uint16_t) epin->dieptsiz_bm.xfer_size; + const uint16_t remain_bytes = (uint16_t) epin->tsiz_bm.xfer_size; // Packet can not be larger than ep max size const uint16_t xact_bytes = tu_min16(remain_bytes, xfer->max_size); @@ -878,7 +876,7 @@ static void handle_epin_irq(uint8_t rhport) { } // Turn off TXFE if all bytes are written. - if (epin->dieptsiz_bm.xfer_size == 0) { + if (epin->tsiz_bm.xfer_size == 0) { dwc2->diepempmsk &= ~(1 << n); } } @@ -887,12 +885,13 @@ static void handle_epin_irq(uint8_t rhport) { } /* Interrupt Hierarchy - - DxEPINTn - | - DAINT.xEPn - | - GINTSTS: xEPInt + DIEPINT DIEPINT + \ / + \ / + DAINT + / \ + / \ + GINTSTS: OEPInt IEPInt | USBReset | EnumDone | USBSusp | WkUpInt | OTGInt | SOF | RXFLVL Note: when OTG_MULTI_PROC_INTRPT = 1, Device Each endpoint interrupt deachint/deachmsk/diepeachmsk/doepeachmsk are combined to generate dedicated interrupt line for each endpoint. @@ -901,46 +900,45 @@ void dcd_int_handler(uint8_t rhport) { dwc2_regs_t* dwc2 = DWC2_REG(rhport); uint32_t const int_mask = dwc2->gintmsk; - uint32_t const int_status = dwc2->gintsts & int_mask; + uint32_t const gintsts = dwc2->gintsts & int_mask; - if (int_status & GINTSTS_USBRST) { + if (gintsts & GINTSTS_USBRST) { // USBRST is start of reset. dwc2->gintsts = GINTSTS_USBRST; - bus_reset(rhport); + handle_bus_reset(rhport); } - if (int_status & GINTSTS_ENUMDNE) { + if (gintsts & GINTSTS_ENUMDNE) { // ENUMDNE is the end of reset where speed of the link is detected dwc2->gintsts = GINTSTS_ENUMDNE; tusb_speed_t speed; - switch ((dwc2->dsts & DSTS_ENUMSPD_Msk) >> DSTS_ENUMSPD_Pos) { - case DSTS_ENUMSPD_HS: + switch (dwc2->dsts_bm.enum_speed) { + case DCFG_SPEED_HIGH: speed = TUSB_SPEED_HIGH; break; - case DSTS_ENUMSPD_LS: + case DCFG_SPEED_LOW: speed = TUSB_SPEED_LOW; break; - case DSTS_ENUMSPD_FS_HSPHY: - case DSTS_ENUMSPD_FS: + case DCFG_SPEED_FULL_30_60MHZ: + case DCFG_SPEED_FULL_48MHZ: default: speed = TUSB_SPEED_FULL; break; } // TODO must update GUSBCFG_TRDT according to link speed - dcd_event_bus_reset(rhport, speed, true); } - if (int_status & GINTSTS_USBSUSP) { + if (gintsts & GINTSTS_USBSUSP) { dwc2->gintsts = GINTSTS_USBSUSP; dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true); } - if (int_status & GINTSTS_WKUINT) { + if (gintsts & GINTSTS_WKUINT) { dwc2->gintsts = GINTSTS_WKUINT; dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true); } @@ -948,7 +946,7 @@ void dcd_int_handler(uint8_t rhport) { // TODO check GINTSTS_DISCINT for disconnect detection // if(int_status & GINTSTS_DISCINT) - if (int_status & GINTSTS_OTGINT) { + if (gintsts & GINTSTS_OTGINT) { // OTG INT bit is read-only uint32_t const otg_int = dwc2->gotgint; @@ -959,7 +957,7 @@ void dcd_int_handler(uint8_t rhport) { dwc2->gotgint = otg_int; } - if(int_status & GINTSTS_SOF) { + if(gintsts & GINTSTS_SOF) { dwc2->gintsts = GINTSTS_SOF; const uint32_t frame = (dwc2->dsts & DSTS_FNSOF) >> DSTS_FNSOF_Pos; @@ -972,7 +970,7 @@ void dcd_int_handler(uint8_t rhport) { } // RxFIFO non-empty interrupt handling. - if (int_status & GINTSTS_RXFLVL) { + if (gintsts & GINTSTS_RXFLVL) { // RXFLVL bit is read-only dwc2->gintmsk &= ~GINTMSK_RXFLVLM; // disable RXFLVL interrupt while reading @@ -984,13 +982,13 @@ void dcd_int_handler(uint8_t rhport) { } // OUT endpoint interrupt handling. - if (int_status & GINTSTS_OEPINT) { + if (gintsts & GINTSTS_OEPINT) { // OEPINT is read-only, clear using DOEPINTn handle_epout_irq(rhport); } // IN endpoint interrupt handling. - if (int_status & GINTSTS_IEPINT) { + if (gintsts & GINTSTS_IEPINT) { // IEPINT bit read-only, clear using DIEPINTn handle_epin_irq(rhport); } diff --git a/src/portable/synopsys/dwc2/dwc2_common.c b/src/portable/synopsys/dwc2/dwc2_common.c index 4d62cf3c6..ef155c8f7 100644 --- a/src/portable/synopsys/dwc2/dwc2_common.c +++ b/src/portable/synopsys/dwc2/dwc2_common.c @@ -194,7 +194,7 @@ bool dwc2_core_is_highspeed(dwc2_regs_t* dwc2, tusb_role_t role) { * In addition, UTMI+/ULPI can be shared to run at fullspeed mode with 48Mhz * */ -bool dwc2_core_init(uint8_t rhport, bool is_highspeed) { +bool dwc2_core_init(uint8_t rhport, bool is_highspeed, bool is_dma) { dwc2_regs_t* dwc2 = DWC2_REG(rhport); // Check Synopsys ID register, failed if controller clock/power is not enabled @@ -229,6 +229,13 @@ bool dwc2_core_init(uint8_t rhport, bool is_highspeed) { dwc2->gotgint = 0xFFFFFFFFU; dwc2->gintmsk = 0; + if (is_dma) { + // DMA seems to be only settable after a core reset, and not possible to switch on-the-fly + dwc2->gahbcfg |= GAHBCFG_DMAEN | GAHBCFG_HBSTLEN_2; + } else { + dwc2->gintmsk |= GINTSTS_RXFLVL; + } + return true; } diff --git a/src/portable/synopsys/dwc2/dwc2_common.h b/src/portable/synopsys/dwc2/dwc2_common.h index 3f7f23c3a..18b93894f 100644 --- a/src/portable/synopsys/dwc2/dwc2_common.h +++ b/src/portable/synopsys/dwc2/dwc2_common.h @@ -73,7 +73,7 @@ TU_ATTR_ALWAYS_INLINE static inline dwc2_regs_t* DWC2_REG(uint8_t rhport) { } bool dwc2_core_is_highspeed(dwc2_regs_t* dwc2, tusb_role_t role); -bool dwc2_core_init(uint8_t rhport, bool is_highspeed); +bool dwc2_core_init(uint8_t rhport, bool is_highspeed, bool is_dma); void dwc2_core_handle_common_irq(uint8_t rhport, bool in_isr); //--------------------------------------------------------------------+ diff --git a/src/portable/synopsys/dwc2/dwc2_type.h b/src/portable/synopsys/dwc2/dwc2_type.h index 1247f19a3..01e10ee00 100644 --- a/src/portable/synopsys/dwc2/dwc2_type.h +++ b/src/portable/synopsys/dwc2/dwc2_type.h @@ -171,6 +171,13 @@ enum { HCCHAR_EPTYPE_INTERRUPT = 3 }; +enum { + DCFG_SPEED_HIGH = 0, // Highspeed with 30/60 Mhz + DCFG_SPEED_FULL_30_60MHZ = 1, // Fullspeed with UTMI+/ULPI 30/60 Mhz + DCFG_SPEED_LOW = 2, // Lowspeed with FS PHY at 6 Mhz + DCFG_SPEED_FULL_48MHZ = 3, // Fullspeed with dedicated FS PHY at 48 Mhz +}; + //-------------------------------------------------------------------- // Common Register Bitfield //-------------------------------------------------------------------- @@ -469,47 +476,126 @@ typedef struct { // Device Register Bitfield //-------------------------------------------------------------------- typedef struct TU_ATTR_PACKED { - uint32_t xfer_size : 19; // 0..18 Transfer size in bytes - uint32_t packet_count : 10; // 19..28 Number of packets - uint32_t mc_pid : 2; // 29..30 IN: Multi Count, OUT: PID -} dwc2_ep_tsize_t; -TU_VERIFY_STATIC(sizeof(dwc2_ep_tsize_t) == 4, "incorrect size"); + uint32_t speed : 2; // 0..1 Speed + uint32_t nzsts_out_handshake : 1; // 2 Non-zero-length status OUT handshake + uint32_t en_32khz_suspsend : 1; // 3 Enable 32-kHz SUSPEND mode + uint32_t address : 7; // 4..10 Device address + uint32_t period_frame_interval : 2; // 11..12 Periodic frame interval + uint32_t en_out_nak : 1; // 13 Enable Device OUT NAK + uint32_t xcvr_delay : 1; // 14 Transceiver delay + uint32_t erratic_int_mask : 1; // 15 Erratic interrupt mask + uint32_t rsv16 : 1; // 16 Reserved + uint32_t ipg_iso_support : 1; // 17 Interpacket gap ISO support + uint32_t epin_mismatch_count : 5; // 18..22 EP IN mismatch count + uint32_t dma_desc : 1; // 23 Enable scatter/gatter DMA descriptor + uint32_t period_schedule_interval : 2; // 24..25 Periodic schedule interval for scatter/gatter DMA + uint32_t resume_valid : 6; // 26..31 Resume valid period +} dwc2_dcfg_t; +TU_VERIFY_STATIC(sizeof(dwc2_dcfg_t) == 4, "incorrect size"); -// Endpoint IN -typedef struct { - volatile uint32_t diepctl; // 900 + 20*ep Device IN Endpoint Control - uint32_t reserved04; // 904 - volatile uint32_t diepint; // 908 + 20*ep Device IN Endpoint Interrupt - uint32_t reserved0c; // 90C - union { - volatile uint32_t dieptsiz; // 910 + 20*ep Device IN Endpoint Transfer Size - volatile dwc2_ep_tsize_t dieptsiz_bm; - }; - volatile uint32_t diepdma; // 914 + 20*ep Device IN Endpoint DMA Address - volatile uint32_t dtxfsts; // 918 + 20*ep Device IN Endpoint Tx FIFO Status - uint32_t reserved1c; // 91C -} dwc2_epin_t; +typedef struct TU_ATTR_PACKED { + uint32_t remote_wakeup_signal : 1; // 0 Remote wakeup signal + uint32_t soft_disconnet : 1; // 1 Soft disconnect + uint32_t gnp_in_nak_status : 1; // 2 Global non-periodic NAK IN status + uint32_t gout_nak_status : 1; // 3 Global OUT NAK status + uint32_t test_control : 3; // 4..6 Test control + uint32_t set_gnp_in_nak : 1; // 7 Set global non-periodic IN NAK + uint32_t clear_gnp_in_nak : 1; // 8 Clear global non-periodic IN NAK + uint32_t set_gout_nak : 1; // 9 Set global OUT NAK + uint32_t clear_gout_nak : 1; // 10 Clear global OUT NAK + uint32_t poweron_prog_done : 1; // 11 Power-on programming done + uint32_t rsv12 : 1; // 12 Reserved + uint32_t global_multi_count : 2; // 13..14 Global multi-count + uint32_t ignore_frame_number : 1; // 15 Ignore frame number + uint32_t nak_on_babble : 1; // 16 NAK on babble + uint32_t en_cont_on_bna : 1; // 17 Enable continue on BNA + uint32_t deep_sleep_besl_reject : 1 ; // 18 Deep sleep BESL reject + uint32_t service_interval : 1; // 19 Service interval for ISO IN endpoint + uint32_t rsv20_31 : 12; // 20..31 Reserved +} dwc2_dctl_t; +TU_VERIFY_STATIC(sizeof(dwc2_dctl_t) == 4, "incorrect size"); -// Endpoint OUT -typedef struct { - volatile uint32_t doepctl; // B00 + 20*ep Device OUT Endpoint Control - uint32_t reserved04; // B04 - volatile uint32_t doepint; // B08 + 20*ep Device OUT Endpoint Interrupt - uint32_t reserved0c; // B0C - union { - volatile uint32_t doeptsiz; // B10 + 20*ep Device OUT Endpoint Transfer Size - volatile dwc2_ep_tsize_t doeptsiz_bm; - }; - volatile uint32_t doepdma; // B14 + 20*ep Device OUT Endpoint DMA Address - uint32_t reserved18[2]; // B18..B1C -} dwc2_epout_t; +typedef struct TU_ATTR_PACKED { + uint32_t suspend_status : 1; // 0 Suspend status + uint32_t enum_speed : 2; // 1..2 Enumerated speed + uint32_t erratic_err : 1; // 3 Erratic error + uint32_t rsv4_7 : 4; // 4..7 Reserved + uint32_t frame_number : 14; // 8..21 Frame/MicroFrame number + uint32_t line_status : 2; // 22..23 Line status + uint32_t rsv24_31 : 8; // 24..31 Reserved +} dwc2_dsts_t; +TU_VERIFY_STATIC(sizeof(dwc2_dsts_t) == 4, "incorrect size"); + +typedef struct TU_ATTR_PACKED { + uint32_t xfer_complete : 1; // 0 Transfer complete + uint32_t disabled : 1; // 1 Endpoint disabled + uint32_t ahb_err : 1; // 2 AHB error + uint32_t timeout : 1; // 3 Timeout + uint32_t in_rx_txfe : 1; // 4 IN token received when TxFIFO is empty + uint32_t in_rx_ep_mismatch : 1; // 5 IN token received with EP mismatch + uint32_t in_ep_nak_effective : 1; // 6 IN endpoint NAK effective + uint32_t rsv7 : 1; // 7 Reserved + uint32_t txfifo_underrun : 1; // 8 Tx FIFO underrun + uint32_t bna : 1; // 9 Buffer not available + uint32_t rsv10_12 : 3; // 10..12 Reserved + uint32_t nak : 1; // 13 NAK + uint32_t rsv14_31 : 18; // 14..31 Reserved +} dwc2_diepint_t; +TU_VERIFY_STATIC(sizeof(dwc2_diepint_t) == 4, "incorrect size"); + +typedef struct TU_ATTR_PACKED { + uint32_t mps : 11; // 0..10 Maximum packet size, EP0 only use 2 bit + uint32_t next_ep : 4; // 11..14 Next endpoint number + uint32_t active : 1; // 15 Active + const uint32_t dpid_iso_odd : 1; // 16 DATA0/DATA1 for bulk/interrupt, odd frame for isochronous + const uint32_t nak_status : 1; // 17 NAK status + uint32_t type : 2; // 18..19 Endpoint type + uint32_t rsv20 : 1; // 20 Reserved + uint32_t stall : 1; // 21 Stall + uint32_t tx_fifo_num : 4; // 22..25 Tx FIFO number (IN) + uint32_t clear_nak : 1; // 26 Clear NAK + uint32_t set_nak : 1; // 27 Set NAK + uint32_t set_data0_iso_even : 1; // 28 Set DATA0 if bulk/interrupt, even frame for isochronous + uint32_t set_data1_iso_odd : 1; // 29 Set DATA1 if bulk/interrupt, odd frame for isochronous + uint32_t disable : 1; // 30 Disable + uint32_t enable : 1; // 31 Enable +} dwc2_depctl_t; +TU_VERIFY_STATIC(sizeof(dwc2_depctl_t) == 4, "incorrect size"); -// Universal Endpoint +typedef struct TU_ATTR_PACKED { + uint32_t xfer_complete : 1; // 0 Transfer complete + uint32_t disabled : 1; // 1 Endpoint disabled + uint32_t ahb_err : 1; // 2 AHB error + uint32_t setup_phase_done : 1; // 3 Setup phase done + uint32_t out_rx_ep_disabled : 1; // 4 OUT token received when endpoint disabled + uint32_t status_phase_rx : 1; // 5 Status phase received + uint32_t setup_b2b : 1; // 6 Setup packet back-to-back + uint32_t rsv7 : 1; // 7 Reserved + uint32_t out_packet_err : 1; // 8 OUT packet error + uint32_t bna : 1; // 9 Buffer not available + uint32_t rsv10_11 : 2; // 10..11 Reserved + uint32_t babble_err : 1; // 12 Babble error + uint32_t nak : 1; // 13 NAK + uint32_t nyet : 1; // 14 NYET + uint32_t rsv15_31 : 16; // 15..31 Reserved +} dwc2_doepint_t; +TU_VERIFY_STATIC(sizeof(dwc2_doepint_t) == 4, "incorrect size"); + +typedef struct TU_ATTR_PACKED { + uint32_t xfer_size : 19; // 0..18 Transfer size in bytes + uint32_t packet_count : 10; // 19..28 Number of packets + uint32_t mc_pid : 2; // 29..30 IN: Multi Count, OUT: PID +} dwc2_ep_tsize_t; +TU_VERIFY_STATIC(sizeof(dwc2_ep_tsize_t) == 4, "incorrect size"); + +// Device IN/OUT Endpoint typedef struct { union { volatile uint32_t diepctl; volatile uint32_t doepctl; + volatile uint32_t ctl; + volatile dwc2_depctl_t ctrl_bm; }; uint32_t rsv04; union { @@ -520,7 +606,7 @@ typedef struct { union { volatile uint32_t dieptsiz; volatile uint32_t doeptsiz; - volatile dwc2_ep_tsize_t deptsiz_bm; + volatile dwc2_ep_tsize_t tsiz_bm; }; union { volatile uint32_t diepdma; @@ -631,12 +717,27 @@ typedef struct { uint32_t reserved700[64]; // 700..7FF //------------- Device -----------// + union { volatile uint32_t dcfg; // 800 Device Configuration + volatile dwc2_dcfg_t dcfg_bm; + }; + union { volatile uint32_t dctl; // 804 Device Control + volatile dwc2_dctl_t dctl_bm; + }; + union { volatile uint32_t dsts; // 808 Device Status (RO) + volatile dwc2_dsts_t dsts_bm; + }; uint32_t reserved80c; // 80C + union { volatile uint32_t diepmsk; // 810 Device IN Endpoint Interrupt Mask + volatile dwc2_diepint_t diepmsk_bm; + }; + union { volatile uint32_t doepmsk; // 814 Device OUT Endpoint Interrupt Mask + volatile dwc2_doepint_t doepmsk_bm; + }; volatile uint32_t daint; // 818 Device All Endpoints Interrupt volatile uint32_t daintmsk; // 81C Device All Endpoints Interrupt Mask volatile uint32_t dtknqr1; // 820 Device IN token sequence learning queue read1 @@ -658,8 +759,8 @@ typedef struct { union { dwc2_dep_t ep[2][16]; // 0: IN, 1 OUT struct { - dwc2_epin_t epin[16]; // 900..AFF IN Endpoints - dwc2_epout_t epout[16]; // B00..CFF OUT Endpoints + dwc2_dep_t epin[16]; // 900..AFF IN Endpoints + dwc2_dep_t epout[16]; // B00..CFF OUT Endpoints }; }; uint32_t reservedd00[64]; // D00..DFF diff --git a/src/portable/synopsys/dwc2/hcd_dwc2.c b/src/portable/synopsys/dwc2/hcd_dwc2.c index 53583426f..550778876 100644 --- a/src/portable/synopsys/dwc2/hcd_dwc2.c +++ b/src/portable/synopsys/dwc2/hcd_dwc2.c @@ -336,14 +336,8 @@ bool hcd_init(uint8_t rhport, const tusb_rhport_init_t* rh_init) { // Core Initialization const bool is_highspeed = dwc2_core_is_highspeed(dwc2, TUSB_ROLE_HOST); - TU_ASSERT(dwc2_core_init(rhport, is_highspeed)); - - if (dma_host_enabled(dwc2)) { - // DMA seems to be only settable after a core reset, and not possible to switch on-the-fly - dwc2->gahbcfg |= GAHBCFG_DMAEN | GAHBCFG_HBSTLEN_2; - } else { - dwc2->gintmsk |= GINTSTS_RXFLVL; - } + const bool is_dma = dma_host_enabled(dwc2); + TU_ASSERT(dwc2_core_init(rhport, is_highspeed, is_dma)); //------------- 3.1 Host Initialization -------------// |