210 lines
8.7 KiB
C
210 lines
8.7 KiB
C
/*
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* Copyright (c) 2024, sakumisu
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "usb_config.h"
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#include "stdint.h"
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#include "usb_dwc2_reg.h"
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/* you can find this config in function: USB_DevInit, file:stm32xxx_ll_usb.c, for example:
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*
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* USBx->GCCFG |= USB_OTG_GCCFG_PWRDWN;
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* USBx->GCCFG |= USB_OTG_GCCFG_NOVBUSSENS;
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* USBx->GCCFG &= ~USB_OTG_GCCFG_VBUSBSEN;
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* USBx->GCCFG &= ~USB_OTG_GCCFG_VBUSASEN;
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*
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*/
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extern void HAL_Delay(uint32_t Delay);
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#if defined(STM32F722xx) || defined(STM32F723xx) || defined(STM32F730xx) || defined(STM32F732xx) || defined(STM32F733xx)
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/**
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* @brief USB_HS_PHY_Registers
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*/
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typedef struct
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{
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__IO uint32_t USB_HS_PHYC_PLL; /*!< This register is used to control the PLL of the HS PHY. 000h */
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__IO uint32_t Reserved04; /*!< Reserved 004h */
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__IO uint32_t Reserved08; /*!< Reserved 008h */
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__IO uint32_t USB_HS_PHYC_TUNE; /*!< This register is used to control the tuning interface of the High Speed PHY. 00Ch */
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__IO uint32_t Reserved10; /*!< Reserved 010h */
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__IO uint32_t Reserved14; /*!< Reserved 014h */
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__IO uint32_t USB_HS_PHYC_LDO; /*!< This register is used to control the regulator (LDO). 018h */
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} USB_HS_PHYC_GlobalTypeDef;
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#define USB_HS_PHYC_CONTROLLER_BASE 0x40017C00UL
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#define USB_HS_PHYC ((USB_HS_PHYC_GlobalTypeDef *) USB_HS_PHYC_CONTROLLER_BASE)
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/******************** Bit definition for USBPHYC_PLL1 register ********************/
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#define USB_HS_PHYC_PLL1_PLLEN_Pos (0U)
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#define USB_HS_PHYC_PLL1_PLLEN_Msk (0x1UL << USB_HS_PHYC_PLL1_PLLEN_Pos) /*!< 0x00000001 */
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#define USB_HS_PHYC_PLL1_PLLEN USB_HS_PHYC_PLL1_PLLEN_Msk /*!< Enable PLL */
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#define USB_HS_PHYC_PLL1_PLLSEL_Pos (1U)
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#define USB_HS_PHYC_PLL1_PLLSEL_Msk (0x7UL << USB_HS_PHYC_PLL1_PLLSEL_Pos) /*!< 0x0000000E */
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#define USB_HS_PHYC_PLL1_PLLSEL USB_HS_PHYC_PLL1_PLLSEL_Msk /*!< Controls PHY frequency operation selection */
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#define USB_HS_PHYC_PLL1_PLLSEL_1 (0x1UL << USB_HS_PHYC_PLL1_PLLSEL_Pos) /*!< 0x00000002 */
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#define USB_HS_PHYC_PLL1_PLLSEL_2 (0x2UL << USB_HS_PHYC_PLL1_PLLSEL_Pos) /*!< 0x00000004 */
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#define USB_HS_PHYC_PLL1_PLLSEL_3 (0x4UL << USB_HS_PHYC_PLL1_PLLSEL_Pos) /*!< 0x00000008 */
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#define USB_HS_PHYC_PLL1_PLLSEL_12MHZ 0x00000000U /*!< PHY PLL1 input clock frequency 12 MHz */
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#define USB_HS_PHYC_PLL1_PLLSEL_12_5MHZ USB_HS_PHYC_PLL1_PLLSEL_1 /*!< PHY PLL1 input clock frequency 12.5 MHz */
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#define USB_HS_PHYC_PLL1_PLLSEL_16MHZ (uint32_t)(USB_HS_PHYC_PLL1_PLLSEL_1 | USB_HS_PHYC_PLL1_PLLSEL_2) /*!< PHY PLL1 input clock frequency 16 MHz */
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#define USB_HS_PHYC_PLL1_PLLSEL_24MHZ USB_HS_PHYC_PLL1_PLLSEL_3 /*!< PHY PLL1 input clock frequency 24 MHz */
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#define USB_HS_PHYC_PLL1_PLLSEL_25MHZ (uint32_t)(USB_HS_PHYC_PLL1_PLLSEL_2 | USB_HS_PHYC_PLL1_PLLSEL_3) /*!< PHY PLL1 input clock frequency 25 MHz */
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/******************** Bit definition for USBPHYC_LDO register ********************/
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#define USB_HS_PHYC_LDO_USED_Pos (0U)
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#define USB_HS_PHYC_LDO_USED_Msk (0x1UL << USB_HS_PHYC_LDO_USED_Pos) /*!< 0x00000001 */
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#define USB_HS_PHYC_LDO_USED USB_HS_PHYC_LDO_USED_Msk /*!< Monitors the usage status of the PHY's LDO */
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#define USB_HS_PHYC_LDO_STATUS_Pos (1U)
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#define USB_HS_PHYC_LDO_STATUS_Msk (0x1UL << USB_HS_PHYC_LDO_STATUS_Pos) /*!< 0x00000002 */
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#define USB_HS_PHYC_LDO_STATUS USB_HS_PHYC_LDO_STATUS_Msk /*!< Monitors the status of the PHY's LDO. */
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#define USB_HS_PHYC_LDO_DISABLE_Pos (2U)
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#define USB_HS_PHYC_LDO_DISABLE_Msk (0x1UL << USB_HS_PHYC_LDO_DISABLE_Pos) /*!< 0x00000004 */
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#define USB_HS_PHYC_LDO_DISABLE USB_HS_PHYC_LDO_DISABLE_Msk /*!< Controls disable of the High Speed PHY's LDO */
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/* Legacy */
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#define USB_HS_PHYC_PLL_PLLEN_Pos USB_HS_PHYC_PLL1_PLLEN_Pos
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#define USB_HS_PHYC_PLL_PLLEN_Msk USB_HS_PHYC_PLL1_PLLEN_Msk
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#define USB_HS_PHYC_PLL_PLLEN USB_HS_PHYC_PLL1_PLLEN
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#define USB_HS_PHYC_PLL_PLLSEL_Pos USB_HS_PHYC_PLL1_PLLSEL_Pos
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#define USB_HS_PHYC_PLL_PLLSEL_Msk USB_HS_PHYC_PLL1_PLLSEL_Msk
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#define USB_HS_PHYC_PLL_PLLSEL USB_HS_PHYC_PLL1_PLLSEL
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#define USB_HS_PHYC_PLL_PLLSEL_1 USB_HS_PHYC_PLL1_PLLSEL_1
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#define USB_HS_PHYC_PLL_PLLSEL_2 USB_HS_PHYC_PLL1_PLLSEL_2
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#define USB_HS_PHYC_PLL_PLLSEL_3 USB_HS_PHYC_PLL1_PLLSEL_3
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#define USB_HS_PHYC_LDO_ENABLE_Pos USB_HS_PHYC_LDO_DISABLE_Pos
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#define USB_HS_PHYC_LDO_ENABLE_Msk USB_HS_PHYC_LDO_DISABLE_Msk
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#define USB_HS_PHYC_LDO_ENABLE USB_HS_PHYC_LDO_DISABLE
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#if !defined (USB_HS_PHYC_TUNE_VALUE)
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#define USB_HS_PHYC_TUNE_VALUE 0x00000F13U /*!< Value of USB HS PHY Tune */
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#endif /* USB_HS_PHYC_TUNE_VALUE */
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/**
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* @brief Enables control of a High Speed USB PHY
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* Init the low level hardware : GPIO, CLOCK, NVIC...
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* @param USBx Selected device
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* @retval HAL status
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*/
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static int usb_hsphy_init(uint32_t hse_value)
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{
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__IO uint32_t count = 0U;
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/* Enable LDO */
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USB_HS_PHYC->USB_HS_PHYC_LDO |= USB_HS_PHYC_LDO_ENABLE;
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/* wait for LDO Ready */
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while ((USB_HS_PHYC->USB_HS_PHYC_LDO & USB_HS_PHYC_LDO_STATUS) == 0U)
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{
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count++;
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if (count > 200000U)
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{
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return -1;
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}
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}
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/* Controls PHY frequency operation selection */
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if (hse_value == 12000000U) /* HSE = 12MHz */
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{
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USB_HS_PHYC->USB_HS_PHYC_PLL = (0x0U << 1);
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}
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else if (hse_value == 12500000U) /* HSE = 12.5MHz */
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{
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USB_HS_PHYC->USB_HS_PHYC_PLL = (0x2U << 1);
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}
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else if (hse_value == 16000000U) /* HSE = 16MHz */
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{
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USB_HS_PHYC->USB_HS_PHYC_PLL = (0x3U << 1);
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}
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else if (hse_value == 24000000U) /* HSE = 24MHz */
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{
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USB_HS_PHYC->USB_HS_PHYC_PLL = (0x4U << 1);
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}
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else if (hse_value == 25000000U) /* HSE = 25MHz */
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{
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USB_HS_PHYC->USB_HS_PHYC_PLL = (0x5U << 1);
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}
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else if (hse_value == 32000000U) /* HSE = 32MHz */
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{
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USB_HS_PHYC->USB_HS_PHYC_PLL = (0x7U << 1);
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}
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else
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{
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/* ... */
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}
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/* Control the tuning interface of the High Speed PHY */
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USB_HS_PHYC->USB_HS_PHYC_TUNE |= USB_HS_PHYC_TUNE_VALUE;
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/* Enable PLL internal PHY */
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USB_HS_PHYC->USB_HS_PHYC_PLL |= USB_HS_PHYC_PLL_PLLEN;
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/* 2ms Delay required to get internal phy clock stable */
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HAL_Delay(2U);
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return 0;
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}
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#endif
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uint32_t usbd_get_dwc2_gccfg_conf(uint32_t reg_base)
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{
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#if __has_include("stm32h7xx.h") || __has_include("stm32f7xx.h") || __has_include("stm32l4xx.h")
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#define USB_OTG_GLB ((DWC2_GlobalTypeDef *)(reg_base))
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/* B-peripheral session valid override enable */
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USB_OTG_GLB->GOTGCTL |= USB_OTG_GOTGCTL_BVALOEN;
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USB_OTG_GLB->GOTGCTL |= USB_OTG_GOTGCTL_BVALOVAL;
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#endif
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#ifdef CONFIG_USB_HS
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#if defined(STM32F722xx) || defined(STM32F723xx) || defined(STM32F730xx) || defined(STM32F732xx) || defined(STM32F733xx)
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USB_OTG_GLB->GCCFG = (1 << 23);
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usb_hsphy_init(25000000U);
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return (1 << 23); /* Enable USB HS PHY USBx->GCCFG |= USB_OTG_GCCFG_PHYHSEN;*/
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#else
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return 0;
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#endif
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#else
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#if __has_include("stm32h7xx.h") || __has_include("stm32f7xx.h") || __has_include("stm32l4xx.h")
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return (1 << 16);
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#else
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return ((1 << 16) | (1 << 21));
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#endif
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#endif
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}
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uint32_t usbh_get_dwc2_gccfg_conf(uint32_t reg_base)
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{
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#if __has_include("stm32h7xx.h") || __has_include("stm32f7xx.h") || __has_include("stm32l4xx.h")
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#define USB_OTG_GLB ((DWC2_GlobalTypeDef *)(reg_base))
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/* B-peripheral session valid override enable */
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USB_OTG_GLB->GOTGCTL &= ~USB_OTG_GOTGCTL_BVALOEN;
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USB_OTG_GLB->GOTGCTL &= ~USB_OTG_GOTGCTL_BVALOVAL;
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#endif
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#ifdef CONFIG_USB_HS
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#if defined(STM32F722xx) || defined(STM32F723xx) || defined(STM32F730xx) || defined(STM32F732xx) || defined(STM32F733xx)
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USB_OTG_GLB->GCCFG = (1 << 23);
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usb_hsphy_init(25000000U);
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return (1 << 23); /* Enable USB HS PHY USBx->GCCFG |= USB_OTG_GCCFG_PHYHSEN;*/
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#else
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return 0;
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#endif
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#else
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#if __has_include("stm32h7xx.h") || __has_include("stm32f7xx.h") || __has_include("stm32l4xx.h")
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return (1 << 16);
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#else
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return ((1 << 16) | (1 << 21));
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#endif
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#endif
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}
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void usbd_dwc2_delay_ms(uint8_t ms)
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{
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HAL_Delay(ms);
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} |