feat(musb): add support for ti microcontroller with musb ip

1 files changed, 163 insertions, 0 deletions

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