diff --git a/port/musb/usb_glue_ti.c b/port/musb/usb_glue_ti.c new file mode 100644 index 00000000..576a517f --- /dev/null +++ b/port/musb/usb_glue_ti.c @@ -0,0 +1,163 @@ +/* + * Copyright (c) 2026, sakumisu + * Copyright (c) 2026, MDLZCOOL + * + * SPDX-License-Identifier: Apache-2.0 + */ +#include "usbd_core.h" +#include "usbh_core.h" +#include "usb_musb_reg.h" + +#include "inc/hw_memmap.h" +#include "inc/hw_types.h" +#include "inc/hw_ints.h" +#include "inc/hw_gpio.h" +#include "inc/hw_sysctl.h" +#include "inc/hw_usb.h" +#include "driverlib/sysctl.h" +#include "driverlib/gpio.h" +#include "driverlib/interrupt.h" +#include "driverlib/pin_map.h" +#include "driverlib/rom.h" + +#define TM4C_MUSB_RAM_SIZE 4096 + +// clang-format off +static struct musb_fifo_cfg musb_device_table[] = { +{ .ep_num = 0, .style = FIFO_TXRX, .maxpacket = 64, }, +{ .ep_num = 1, .style = FIFO_TXRX, .maxpacket = 1024, }, +{ .ep_num = 2, .style = FIFO_TXRX, .maxpacket = 1024, }, +{ .ep_num = 3, .style = FIFO_TXRX, .maxpacket = 1024, }, +{ .ep_num = 4, .style = FIFO_TXRX, .maxpacket = 512, }, +{ .ep_num = 5, .style = FIFO_TXRX, .maxpacket = 256, }, +{ .ep_num = 6, .style = FIFO_TXRX, .maxpacket = 128, }, +{ .ep_num = 7, .style = FIFO_TXRX, .maxpacket = 64, }, +}; + +static struct musb_fifo_cfg musb_host_table[] = { +{ .ep_num = 0, .style = FIFO_TXRX, .maxpacket = 64, }, +{ .ep_num = 1, .style = FIFO_TXRX, .maxpacket = 1024, }, +{ .ep_num = 2, .style = FIFO_TXRX, .maxpacket = 1024, }, +{ .ep_num = 3, .style = FIFO_TXRX, .maxpacket = 1024, }, +{ .ep_num = 4, .style = FIFO_TXRX, .maxpacket = 512, }, +{ .ep_num = 5, .style = FIFO_TXRX, .maxpacket = 256, }, +{ .ep_num = 6, .style = FIFO_TXRX, .maxpacket = 128, }, +{ .ep_num = 7, .style = FIFO_TXRX, .maxpacket = 64, }, +}; +// clang-format on + +static void (*g_usb_irq_handler)(uint8_t busid) = NULL; + +extern void USBH_IRQHandler(uint8_t busid); +extern void USBD_IRQHandler(uint8_t busid); + +__WEAK void USBD_IRQHandler(uint8_t busid) +{ + (void)busid; +} + +__WEAK void USBH_IRQHandler(uint8_t busid) +{ + (void)busid; +} + +void USB0_Handler(void) +{ + if (g_usb_irq_handler) { + g_usb_irq_handler(0); + } +} + +uint8_t usbd_get_musb_fifo_cfg(struct musb_fifo_cfg **cfg) +{ + *cfg = musb_device_table; + return sizeof(musb_device_table) / sizeof(musb_device_table[0]); +} + +uint8_t usbh_get_musb_fifo_cfg(struct musb_fifo_cfg **cfg) +{ + *cfg = musb_host_table; + return sizeof(musb_host_table) / sizeof(musb_host_table[0]); +} + +uint32_t usb_get_musb_ram_size(void) +{ + return TM4C_MUSB_RAM_SIZE; +} + +void usbd_musb_delay_ms(uint8_t ms) +{ + /* implement later */ +} + +void usb_dc_low_level_init(void) +{ + SysCtlPeripheralEnable(SYSCTL_PERIPH_USB0); + SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD); + SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB); + + while (!SysCtlPeripheralReady(SYSCTL_PERIPH_USB0)) + ; + while (!SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOD)) + ; + while (!SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOB)) + ; + + SysCtlPeripheralReset(SYSCTL_PERIPH_USB0); + for (volatile int i = 0; i < 1000; i++) + ; + + GPIOPinTypeUSBAnalog(GPIO_PORTD_BASE, GPIO_PIN_4 | GPIO_PIN_5); + GPIOPinTypeUSBAnalog(GPIO_PORTB_BASE, GPIO_PIN_0 | GPIO_PIN_1); + + HWREGB(USB0_BASE + USB_O_GPCS) = USB_GPCS_DEVMOD; + SysCtlUSBPLLEnable(); + + g_usb_irq_handler = USBD_IRQHandler; + + IntPrioritySet(INT_USB0, (6 << 5)); + IntEnable(INT_USB0); +} + +void usb_dc_low_level_deinit(void) +{ + IntDisable(INT_USB0); + g_usb_irq_handler = NULL; + SysCtlPeripheralDisable(SYSCTL_PERIPH_USB0); +} + +void usb_hc_low_level_init(struct usbh_bus *bus) +{ + SysCtlPeripheralEnable(SYSCTL_PERIPH_USB0); + SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD); + SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB); + + while (!SysCtlPeripheralReady(SYSCTL_PERIPH_USB0)) + ; + while (!SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOD)) + ; + while (!SysCtlPeripheralReady(SYSCTL_PERIPH_GPIOB)) + ; + + SysCtlPeripheralReset(SYSCTL_PERIPH_USB0); + for (volatile int i = 0; i < 1000; i++) + ; + + GPIOPinTypeUSBAnalog(GPIO_PORTD_BASE, GPIO_PIN_4 | GPIO_PIN_5); + GPIOPinTypeUSBAnalog(GPIO_PORTB_BASE, GPIO_PIN_0 | GPIO_PIN_1); + + HWREGB(USB0_BASE + USB_O_GPCS) &= ~(USB_GPCS_DEVMOD); + SysCtlUSBPLLEnable(); + + g_usb_irq_handler = USBH_IRQHandler; + + IntPrioritySet(INT_USB0, (6 << 5)); + IntEnable(INT_USB0); +} + +void usb_hc_low_level_deinit(struct usbh_bus *bus) +{ + IntDisable(INT_USB0); + g_usb_irq_handler = NULL; + SysCtlPeripheralDisable(SYSCTL_PERIPH_USB0); +} \ No newline at end of file