diff options
| author | Mengsk <[email protected]> | 2025-10-06 17:12:05 +0200 |
|---|---|---|
| committer | Mengsk <[email protected]> | 2025-10-06 17:12:05 +0200 |
| commit | 5ac0bed779ec43cc74f8ed990a01165139454267 (patch) | |
| tree | 8fa02df5bedfb0e6163c8f21c6f5deac21b581db /src | |
| parent | 54fffd0de258e0c345e87479b9d4a221387b897b (diff) | |
dcd/dwc2: fix enumration when EP0 size=8
Signed-off-by: Mengsk <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/synopsys/dwc2/dcd_dwc2.c | 23 | ||||
| -rw-r--r-- | src/portable/synopsys/dwc2/dwc2_type.h | 6 |
2 files changed, 23 insertions, 6 deletions
diff --git a/src/portable/synopsys/dwc2/dcd_dwc2.c b/src/portable/synopsys/dwc2/dcd_dwc2.c index f10f0bdc3..d3f8f6b2a 100644 --- a/src/portable/synopsys/dwc2/dcd_dwc2.c +++ b/src/portable/synopsys/dwc2/dcd_dwc2.c @@ -168,7 +168,7 @@ static void dma_setup_prepare(uint8_t rhport) { - All EP OUT shared a unique OUT FIFO which uses (for Slave or Buffer DMA, Scatt/Gather DMA use different formula): - 13 for setup packets + control words (up to 3 setup packets). - 1 for global NAK (not required/used here). - - Largest-EPsize/4 + 1. ( FS: 64 bytes, HS: 512 bytes). Recommended is "2 x (Largest-EPsize/4 + 1)" + - Largest-EPsize/4 + 1. (FS: 64 bytes, HS: 512 bytes). Recommended is "2 x (Largest-EPsize/4 + 1)" - 2 for each used OUT endpoint Therefore GRXFSIZ = 13 + 1 + 2 x (Largest-EPsize/4 + 1) + 2 x EPOUTnum @@ -701,12 +701,23 @@ static void handle_bus_reset(uint8_t rhport) { dcfg.address = 0; dwc2->dcfg = dcfg.value; - // Fixed both control EP0 size to 64 bytes - dwc2->epin[0].ctl &= ~(0x03 << DIEPCTL_MPSIZ_Pos); - dwc2->epout[0].ctl &= ~(0x03 << DOEPCTL_MPSIZ_Pos); + // 6. Configure maximum packet size for EP0 + uint8_t mps = 0; + switch (CFG_TUD_ENDPOINT0_SIZE) { + case 8: mps = 3; break; + case 16: mps = 2; break; + case 32: mps = 1; break; + case 64: mps = 0; break; + default: mps = 0; break; + } + + dwc2->epin[0].ctl &= ~DIEPCTL0_MPSIZ_Msk; + dwc2->epout[0].ctl &= ~DOEPCTL0_MPSIZ_Msk; + dwc2->epin[0].ctl |= mps << DIEPCTL0_MPSIZ_Pos; + dwc2->epout[0].ctl |= mps << DOEPCTL0_MPSIZ_Pos; - xfer_status[0][TUSB_DIR_OUT].max_size = 64; - xfer_status[0][TUSB_DIR_IN].max_size = 64; + xfer_status[0][TUSB_DIR_OUT].max_size = CFG_TUD_ENDPOINT0_SIZE; + xfer_status[0][TUSB_DIR_IN].max_size = CFG_TUD_ENDPOINT0_SIZE; if(dma_device_enabled(dwc2)) { dma_setup_prepare(rhport); diff --git a/src/portable/synopsys/dwc2/dwc2_type.h b/src/portable/synopsys/dwc2/dwc2_type.h index 0a8dacf5f..75643529f 100644 --- a/src/portable/synopsys/dwc2/dwc2_type.h +++ b/src/portable/synopsys/dwc2/dwc2_type.h @@ -1847,6 +1847,9 @@ TU_VERIFY_STATIC(offsetof(dwc2_regs_t, fifo ) == 0x1000, "incorrect size"); #define HPTXFSIZ_PTXFD HPTXFSIZ_PTXFD_Msk // Host periodic TxFIFO depth /******************** Bit definition for DIEPCTL register ********************/ +#define DIEPCTL0_MPSIZ_Pos (0U) +#define DIEPCTL0_MPSIZ_Msk (0x3UL << DIEPCTL0_MPSIZ_Pos) // 0x00000003 +#define DIEPCTL0_MPSIZ DIEPCTL0_MPSIZ_Msk // Maximum packet size(endpoint 0) #define DIEPCTL_MPSIZ_Pos (0U) #define DIEPCTL_MPSIZ_Msk (0x7FFUL << DIEPCTL_MPSIZ_Pos) // 0x000007FF #define DIEPCTL_MPSIZ DIEPCTL_MPSIZ_Msk // Maximum packet size @@ -2155,6 +2158,9 @@ TU_VERIFY_STATIC(offsetof(dwc2_regs_t, fifo ) == 0x1000, "incorrect size"); #define EPCTL_EPENA EPCTL_EPENA_Msk // Endpoint enable /******************** Bit definition for DOEPCTL register ********************/ +#define DOEPCTL0_MPSIZ_Pos (0U) +#define DOEPCTL0_MPSIZ_Msk (0x3UL << DOEPCTL0_MPSIZ_Pos) // 0x00000003 +#define DOEPCTL0_MPSIZ DOEPCTL0_MPSIZ_Msk // Maximum packet size(endpoint 0) #define DOEPCTL_MPSIZ_Pos (0U) #define DOEPCTL_MPSIZ_Msk (0x7FFUL << DOEPCTL_MPSIZ_Pos) // 0x000007FF #define DOEPCTL_MPSIZ DOEPCTL_MPSIZ_Msk // Maximum packet size //Bit 1 |