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Diffstat (limited to 'src/portable/st/stm32_fsdev/fsdev_stm32.h')
| -rw-r--r-- | src/portable/st/stm32_fsdev/fsdev_stm32.h | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/src/portable/st/stm32_fsdev/fsdev_stm32.h b/src/portable/st/stm32_fsdev/fsdev_stm32.h new file mode 100644 index 000000000..bb2c72fd1 --- /dev/null +++ b/src/portable/st/stm32_fsdev/fsdev_stm32.h @@ -0,0 +1,334 @@ +/* + * The MIT License (MIT) + * + * Copyright(c) N Conrad + * Copyright (c) 2019 Ha Thach (tinyusb.org) + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * This file is part of the TinyUSB stack. + */ + +#ifndef TUSB_FSDEV_STM32_H +#define TUSB_FSDEV_STM32_H + +#if CFG_TUSB_MCU == OPT_MCU_STM32F0 + #include "stm32f0xx.h" + #define FSDEV_PMA_SIZE (1024u) + #define FSDEV_REG_BASE USB_BASE + // F0x2 models are crystal-less + // All have internal D+ pull-up + // 070RB: 2 x 16 bits/word memory LPM Support, BCD Support + // PMA dedicated to USB (no sharing with CAN) + +#elif CFG_TUSB_MCU == OPT_MCU_STM32F1 + #include "stm32f1xx.h" + #define FSDEV_PMA_SIZE (512u) + // NO internal Pull-ups + // *B, and *C: 2 x 16 bits/word + + // F1 names this differently from the rest + #define USB_CNTR_LPMODE USB_CNTR_LP_MODE + +#elif defined(STM32F302xB) || defined(STM32F302xC) || \ + defined(STM32F303xB) || defined(STM32F303xC) || \ + defined(STM32F373xC) + #include "stm32f3xx.h" + #define FSDEV_PMA_SIZE (512u) + // NO internal Pull-ups + // *B, and *C: 1 x 16 bits/word + // PMA dedicated to USB (no sharing with CAN) + +#elif defined(STM32F302x6) || defined(STM32F302x8) || \ + defined(STM32F302xD) || defined(STM32F302xE) || \ + defined(STM32F303xD) || defined(STM32F303xE) + #include "stm32f3xx.h" + #define FSDEV_PMA_SIZE (1024u) + // NO internal Pull-ups + // *6, *8, *D, and *E: 2 x 16 bits/word LPM Support + // When CAN clock is enabled, USB can use first 768 bytes ONLY. + +#elif CFG_TUSB_MCU == OPT_MCU_STM32L0 + #include "stm32l0xx.h" + #define FSDEV_PMA_SIZE (1024u) + +#elif CFG_TUSB_MCU == OPT_MCU_STM32L1 + #include "stm32l1xx.h" + #define FSDEV_PMA_SIZE (512u) + +#elif CFG_TUSB_MCU == OPT_MCU_STM32G4 + #include "stm32g4xx.h" + #define FSDEV_PMA_SIZE (1024u) + +#elif CFG_TUSB_MCU == OPT_MCU_STM32G0 + #include "stm32g0xx.h" + #define FSDEV_BUS_32BIT + #define FSDEV_PMA_SIZE (2048u) + #undef USB_PMAADDR + #define USB_PMAADDR USB_DRD_PMAADDR + #define USB_TypeDef USB_DRD_TypeDef + #define EP0R CHEP0R + #define USB_EP_CTR_RX USB_EP_VTRX + #define USB_EP_CTR_TX USB_EP_VTTX + #define USB_EP_T_FIELD USB_CHEP_UTYPE + #define USB_EPREG_MASK USB_CHEP_REG_MASK + #define USB_EPTX_DTOGMASK USB_CHEP_TX_DTOGMASK + #define USB_EPRX_DTOGMASK USB_CHEP_RX_DTOGMASK + #define USB_EPTX_DTOG1 USB_CHEP_TX_DTOG1 + #define USB_EPTX_DTOG2 USB_CHEP_TX_DTOG2 + #define USB_EPRX_DTOG1 USB_CHEP_RX_DTOG1 + #define USB_EPRX_DTOG2 USB_CHEP_RX_DTOG2 + #define USB_EPRX_STAT USB_CH_RX_VALID + #define USB_EPKIND_MASK USB_EP_KIND_MASK + #define USB USB_DRD_FS + #define USB_CNTR_FRES USB_CNTR_USBRST + #define USB_CNTR_RESUME USB_CNTR_L2RES + #define USB_ISTR_EP_ID USB_ISTR_IDN + #define USB_EPADDR_FIELD USB_CHEP_ADDR + #define USB_CNTR_LPMODE USB_CNTR_SUSPRDY + #define USB_CNTR_FSUSP USB_CNTR_SUSPEN + +#elif CFG_TUSB_MCU == OPT_MCU_STM32H5 + #include "stm32h5xx.h" + #define FSDEV_BUS_32BIT + + #if !defined(USB_DRD_BASE) && defined(USB_DRD_FS_BASE) + #define USB_DRD_BASE USB_DRD_FS_BASE + #endif + + #define FSDEV_PMA_SIZE (2048u) + #undef USB_PMAADDR + #define USB_PMAADDR USB_DRD_PMAADDR + #define USB_TypeDef USB_DRD_TypeDef + #define EP0R CHEP0R + #define USB_EP_CTR_RX USB_EP_VTRX + #define USB_EP_CTR_TX USB_EP_VTTX + #define USB_EP_T_FIELD USB_CHEP_UTYPE + #define USB_EPREG_MASK USB_CHEP_REG_MASK + #define USB_EPTX_DTOGMASK USB_CHEP_TX_DTOGMASK + #define USB_EPRX_DTOGMASK USB_CHEP_RX_DTOGMASK + #define USB_EPTX_DTOG1 USB_CHEP_TX_DTOG1 + #define USB_EPTX_DTOG2 USB_CHEP_TX_DTOG2 + #define USB_EPRX_DTOG1 USB_CHEP_RX_DTOG1 + #define USB_EPRX_DTOG2 USB_CHEP_RX_DTOG2 + #define USB_EPRX_STAT USB_CH_RX_VALID + #define USB_EPKIND_MASK USB_EP_KIND_MASK + #define USB USB_DRD_FS + #define USB_CNTR_FRES USB_CNTR_USBRST + #define USB_CNTR_RESUME USB_CNTR_L2RES + #define USB_ISTR_EP_ID USB_ISTR_IDN + #define USB_EPADDR_FIELD USB_CHEP_ADDR + #define USB_CNTR_LPMODE USB_CNTR_SUSPRDY + #define USB_CNTR_FSUSP USB_CNTR_SUSPEN + +#elif CFG_TUSB_MCU == OPT_MCU_STM32WB + #include "stm32wbxx.h" + #define FSDEV_PMA_SIZE (1024u) + /* ST provided header has incorrect value */ + #undef USB_PMAADDR + #define USB_PMAADDR USB1_PMAADDR + +#elif CFG_TUSB_MCU == OPT_MCU_STM32L4 + #include "stm32l4xx.h" + #define FSDEV_PMA_SIZE (1024u) + +#elif CFG_TUSB_MCU == OPT_MCU_STM32L5 + #include "stm32l5xx.h" + #define FSDEV_PMA_SIZE (1024u) + + #ifndef USB_PMAADDR + #define USB_PMAADDR (USB_BASE + (USB_PMAADDR_NS - USB_BASE_NS)) + #endif + +#elif CFG_TUSB_MCU == OPT_MCU_STM32U5 + #include "stm32u5xx.h" + #define FSDEV_BUS_32BIT + + #define FSDEV_PMA_SIZE (2048u) + #undef USB_PMAADDR + #define USB_PMAADDR USB_DRD_PMAADDR + #define USB_TypeDef USB_DRD_TypeDef + #define EP0R CHEP0R + #define USB_EP_CTR_RX USB_EP_VTRX + #define USB_EP_CTR_TX USB_EP_VTTX + #define USB_EP_T_FIELD USB_CHEP_UTYPE + #define USB_EPREG_MASK USB_CHEP_REG_MASK + #define USB_EPTX_DTOGMASK USB_CHEP_TX_DTOGMASK + #define USB_EPRX_DTOGMASK USB_CHEP_RX_DTOGMASK + #define USB_EPTX_DTOG1 USB_CHEP_TX_DTOG1 + #define USB_EPTX_DTOG2 USB_CHEP_TX_DTOG2 + #define USB_EPRX_DTOG1 USB_CHEP_RX_DTOG1 + #define USB_EPRX_DTOG2 USB_CHEP_RX_DTOG2 + #define USB_EPRX_STAT USB_CH_RX_VALID + #define USB_EPKIND_MASK USB_EP_KIND_MASK + #define USB USB_DRD_FS + #define USB_CNTR_FRES USB_CNTR_USBRST + #define USB_CNTR_RESUME USB_CNTR_L2RES + #define USB_ISTR_EP_ID USB_ISTR_IDN + #define USB_EPADDR_FIELD USB_CHEP_ADDR + #define USB_CNTR_LPMODE USB_CNTR_SUSPRDY + #define USB_CNTR_FSUSP USB_CNTR_SUSPEN + +#else + #error You are using an untested or unimplemented STM32 variant. Please update the driver. + // This includes U0 +#endif + +#if defined(USB_BASE) + #define FSDEV_REG_BASE USB_BASE +#elif defined(USB_DRD_BASE) + #define FSDEV_REG_BASE USB_DRD_BASE +#elif defined(USB_DRD_FS_BASE) + #define FSDEV_REG_BASE USB_DRD_FS_BASE +#else + #error "FSDEV_REG_BASE not defined" +#endif + +// This checks if the device has "LPM" +#if defined(USB_ISTR_L1REQ) +#define USB_ISTR_L1REQ_FORCED (USB_ISTR_L1REQ) +#else +#define USB_ISTR_L1REQ_FORCED ((uint16_t)0x0000U) +#endif + +#define USB_ISTR_ALL_EVENTS (USB_ISTR_PMAOVR | USB_ISTR_ERR | USB_ISTR_WKUP | USB_ISTR_SUSP | \ + USB_ISTR_RESET | USB_ISTR_SOF | USB_ISTR_ESOF | USB_ISTR_L1REQ_FORCED ) + +//--------------------------------------------------------------------+ +// +//--------------------------------------------------------------------+ + +#if TU_CHECK_MCU(OPT_MCU_STM32L1) && !defined(USBWakeUp_IRQn) + #define USBWakeUp_IRQn USB_FS_WKUP_IRQn +#endif + +static const IRQn_Type fsdev_irq[] = { + #if TU_CHECK_MCU(OPT_MCU_STM32F0, OPT_MCU_STM32L0, OPT_MCU_STM32L4) + USB_IRQn, + #elif CFG_TUSB_MCU == OPT_MCU_STM32F1 + USB_HP_CAN1_TX_IRQn, + USB_LP_CAN1_RX0_IRQn, + USBWakeUp_IRQn, + #elif CFG_TUSB_MCU == OPT_MCU_STM32F3 + // USB remap handles dcd functions + USB_HP_CAN_TX_IRQn, + USB_LP_CAN_RX0_IRQn, + USBWakeUp_IRQn, + #elif CFG_TUSB_MCU == OPT_MCU_STM32G0 + #ifdef STM32G0B0xx + USB_IRQn, + #else + USB_UCPD1_2_IRQn, + #endif + #elif TU_CHECK_MCU(OPT_MCU_STM32G4, OPT_MCU_STM32L1) + USB_HP_IRQn, + USB_LP_IRQn, + USBWakeUp_IRQn, + #elif CFG_TUSB_MCU == OPT_MCU_STM32H5 + USB_DRD_FS_IRQn, + #elif CFG_TUSB_MCU == OPT_MCU_STM32L5 + USB_FS_IRQn, + #elif CFG_TUSB_MCU == OPT_MCU_STM32WB + USB_HP_IRQn, + USB_LP_IRQn, + #elif CFG_TUSB_MCU == OPT_MCU_STM32U5 + USB_IRQn, + #else + #error Unknown arch in USB driver + #endif +}; +enum { FSDEV_IRQ_NUM = TU_ARRAY_SIZE(fsdev_irq) }; + +void dcd_int_enable(uint8_t rhport) { + (void)rhport; + + // forces write to RAM before allowing ISR to execute + __DSB(); __ISB(); + + #if CFG_TUSB_MCU == OPT_MCU_STM32F3 && defined(SYSCFG_CFGR1_USB_IT_RMP) + // Some STM32F302/F303 devices allow to remap the USB interrupt vectors from + // shared USB/CAN IRQs to separate CAN and USB IRQs. + // This dynamically checks if this remap is active to enable the right IRQs. + if (SYSCFG->CFGR1 & SYSCFG_CFGR1_USB_IT_RMP) { + NVIC_EnableIRQ(USB_HP_IRQn); + NVIC_EnableIRQ(USB_LP_IRQn); + NVIC_EnableIRQ(USBWakeUp_RMP_IRQn); + } else + #endif + { + for (uint8_t i = 0; i < FSDEV_IRQ_NUM; i++) { + NVIC_EnableIRQ(fsdev_irq[i]); + } + } +} + +void dcd_int_disable(uint8_t rhport) { + (void)rhport; + + #if CFG_TUSB_MCU == OPT_MCU_STM32F3 && defined(SYSCFG_CFGR1_USB_IT_RMP) + // Some STM32F302/F303 devices allow to remap the USB interrupt vectors from + // shared USB/CAN IRQs to separate CAN and USB IRQs. + // This dynamically checks if this remap is active to enable the right IRQs. + if (SYSCFG->CFGR1 & SYSCFG_CFGR1_USB_IT_RMP) { + NVIC_DisableIRQ(USB_HP_IRQn); + NVIC_DisableIRQ(USB_LP_IRQn); + NVIC_DisableIRQ(USBWakeUp_RMP_IRQn); + } else + #endif + { + for (uint8_t i = 0; i < FSDEV_IRQ_NUM; i++) { + NVIC_DisableIRQ(fsdev_irq[i]); + } + } + + // CMSIS has a membar after disabling interrupts +} + +// Define only on MCU with internal pull-up. BSP can define on MCU without internal PU. +#if defined(USB_BCDR_DPPU) + +void dcd_disconnect(uint8_t rhport) { + (void)rhport; + USB->BCDR &= ~(USB_BCDR_DPPU); +} + +void dcd_connect(uint8_t rhport) { + (void)rhport; + USB->BCDR |= USB_BCDR_DPPU; +} + +#elif defined(SYSCFG_PMC_USB_PU) // works e.g. on STM32L151 + +void dcd_disconnect(uint8_t rhport) { + (void)rhport; + SYSCFG->PMC &= ~(SYSCFG_PMC_USB_PU); +} + +void dcd_connect(uint8_t rhport) { + (void)rhport; + SYSCFG->PMC |= SYSCFG_PMC_USB_PU; +} +#endif + + +#endif /* TUSB_FSDEV_STM32_H */ |