--- /dev/null
+/*
+ * Copyright (C) 2006 Bryan O'Donoghue, CodeHermit
+ * bodonoghue@codehermit.ie
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <commproc.h>
+
+/* Mode Register */
+#define USMOD_EN 0x01
+#define USMOD_HOST 0x02
+#define USMOD_TEST 0x04
+#define USMOD_SFTE 0x08
+#define USMOD_RESUME 0x40
+#define USMOD_LSS 0x80
+
+/* Endpoint Registers */
+#define USEP_RHS_NORM 0x00
+#define USEP_RHS_IGNORE 0x01
+#define USEP_RHS_NAK 0x02
+#define USEP_RHS_STALL 0x03
+
+#define USEP_THS_NORM 0x00
+#define USEP_THS_IGNORE 0x04
+#define USEP_THS_NAK 0x08
+#define USEP_THS_STALL 0x0C
+
+#define USEP_RTE 0x10
+#define USEP_MF 0x20
+
+#define USEP_TM_CONTROL 0x00
+#define USEP_TM_INT 0x100
+#define USEP_TM_BULK 0x200
+#define USEP_TM_ISO 0x300
+
+/* Command Register */
+#define USCOM_EP0 0x00
+#define USCOM_EP1 0x01
+#define USCOM_EP2 0x02
+#define USCOM_EP3 0x03
+
+#define USCOM_FLUSH 0x40
+#define USCOM_STR 0x80
+
+/* Event Register */
+#define USB_E_RXB 0x0001
+#define USB_E_TXB 0x0002
+#define USB_E_BSY 0x0004
+#define USB_E_SOF 0x0008
+#define USB_E_TXE1 0x0010
+#define USB_E_TXE2 0x0020
+#define USB_E_TXE3 0x0040
+#define USB_E_TXE4 0x0080
+#define USB_TX_ERRMASK (USB_E_TXE1|USB_E_TXE2|USB_E_TXE3|USB_E_TXE4)
+#define USB_E_IDLE 0x0100
+#define USB_E_RESET 0x0200
+
+/* Mask Register */
+#define USBS_IDLE 0x01
+
+/* RX Buffer Descriptor */
+#define RX_BD_OV 0x02
+#define RX_BD_CR 0x04
+#define RX_BD_AB 0x08
+#define RX_BD_NO 0x10
+#define RX_BD_PID_DATA0 0x00
+#define RX_BD_PID_DATA1 0x40
+#define RX_BD_PID_SETUP 0x80
+#define RX_BD_F 0x400
+#define RX_BD_L 0x800
+#define RX_BD_I 0x1000
+#define RX_BD_W 0x2000
+#define RX_BD_E 0x8000
+
+/* Useful masks */
+#define RX_BD_PID_BITMASK (RX_BD_PID_DATA1 | RX_BD_PID_SETUP)
+#define STALL_BITMASK (USEP_THS_STALL | USEP_RHS_STALL)
+#define NAK_BITMASK (USEP_THS_NAK | USEP_RHS_NAK)
+#define CBD_TX_BITMASK (TX_BD_R | TX_BD_L | TX_BD_TC | TX_BD_I | TX_BD_CNF)
+
+/* TX Buffer Descriptor */
+#define TX_BD_UN 0x02
+#define TX_BD_TO 0x04
+#define TX_BD_NO_PID 0x00
+#define TX_BD_PID_DATA0 0x80
+#define TX_BD_PID_DATA1 0xC0
+#define TX_BD_CNF 0x200
+#define TX_BD_TC 0x400
+#define TX_BD_L 0x800
+#define TX_BD_I 0x1000
+#define TX_BD_W 0x2000
+#define TX_BD_R 0x8000
+
+/* Implementation specific defines */
+
+#define EP_MIN_PACKET_SIZE 0x08
+#define MAX_ENDPOINTS 0x04
+#define FIFO_SIZE 0x10
+#define EP_MAX_PKT FIFO_SIZE
+#define TX_RING_SIZE 0x04
+#define RX_RING_SIZE 0x06
+#define USB_MAX_PKT 0x40
+#define TOGGLE_TX_PID(x) x= ((~x)&0x40)|0x80
+#define TOGGLE_RX_PID(x) x^= 0x40
+#define EP_ATTACHED 0x01 /* Endpoint has a urb attached or not */
+#define EP_SEND_ZLP 0x02 /* Send ZLP y/n ? */
+
+#define PROFF_USB 0x00000000
+#define CPM_USB_BASE 0x00000A00
+
+/* UDC device defines */
+#define EP0_MAX_PACKET_SIZE EP_MAX_PKT
+
+#define UDC_OUT_PACKET_SIZE EP_MIN_PACKET_SIZE
+#define UDC_IN_PACKET_SIZE EP_MIN_PACKET_SIZE
+#define UDC_INT_PACKET_SIZE UDC_IN_PACKET_SIZE
+#define UDC_BULK_PACKET_SIZE EP_MIN_PACKET_SIZE
+
+struct mpc8xx_ep {
+ struct urb * urb;
+ unsigned char pid;
+ unsigned char sc;
+ volatile cbd_t * prx;
+};
+
+typedef struct mpc8xx_usb{
+ char usmod; /* Mode Register */
+ char usaddr; /* Slave Address Register */
+ char uscom; /* Command Register */
+ char res1; /* Reserved */
+ ushort usep[4];
+ ulong res2; /* Reserved */
+ ushort usber; /* Event Register */
+ ushort res3; /* Reserved */
+ ushort usbmr; /* Mask Register */
+ char res4; /* Reserved */
+ char usbs; /* Status Register */
+ char res5[8]; /* Reserved */
+}usb_t;
+
+typedef struct mpc8xx_parameter_ram{
+ ushort ep0ptr; /* Endpoint Pointer Register 0 */
+ ushort ep1ptr; /* Endpoint Pointer Register 1 */
+ ushort ep2ptr; /* Endpoint Pointer Register 2 */
+ ushort ep3ptr; /* Endpoint Pointer Register 3 */
+ uint rstate; /* Receive state */
+ uint rptr; /* Receive internal data pointer */
+ ushort frame_n; /* Frame number */
+ ushort rbcnt; /* Receive byte count */
+ uint rtemp; /* Receive temp cp use only */
+ uint rxusb; /* Rx Data Temp */
+ ushort rxuptr; /* Rx microcode return address temp */
+}usb_pram_t;
+
+typedef struct endpoint_parameter_block_pointer{
+ ushort rbase; /* RxBD base address */
+ ushort tbase; /* TxBD base address */
+ char rfcr; /* Rx Function code */
+ char tfcr; /* Tx Function code */
+ ushort mrblr; /* Maximum Receive Buffer Length */
+ ushort rbptr; /* RxBD pointer Next Buffer Descriptor */
+ ushort tbptr; /* TxBD pointer Next Buffer Descriptor */
+ ulong tstate; /* Transmit internal state */
+ ulong tptr; /* Transmit internal data pointer */
+ ushort tcrc; /* Transmit temp CRC */
+ ushort tbcnt; /* Transmit internal bye count */
+ ulong ttemp; /* Tx temp */
+ ushort txuptr; /* Tx microcode return address */
+ ushort res1; /* Reserved */
+}usb_epb_t;
+
+typedef enum mpc8xx_udc_state{
+ STATE_NOT_READY,
+ STATE_ERROR,
+ STATE_READY,
+}mpc8xx_udc_state_t;
+
Code Review / kvmfornfv.git / blobdiff