[PATCH] UCLINUX ethernet driver for Coldfire onboard 100Mbit ethernet

drivers/net/fec.h

+/****************************************************************************/
+
+/*
+ *	fec.h  --  Fast Ethernet Controller for Motorola ColdFire 5272.
+ *
+ *	(C) Copyright 2000-2001, Greg Ungerer (gerg@snapgear.com)
+ *	(C) Copyright 2000-2001, Lineo (www.lineo.com)
+ */
+
+/****************************************************************************/
+#ifndef FEC_H
+#define	FEC_H
+/****************************************************************************/
+
+/*
+ *	Define device register set address map.
+ */
+typedef struct fec {
+	unsigned long	fec_ecntrl;		/* Ethernet control reg */
+	unsigned long	fec_ievent;		/* Interrupt even reg */
+	unsigned long	fec_imask;		/* Interrupt mask reg */
+	unsigned long	fec_ivec;		/* Interrupt vec status reg */
+	unsigned long	fec_r_des_active;	/* Receive descriptor reg */
+	unsigned long	fec_x_des_active;	/* Transmit descriptor reg */
+	unsigned long	fec_reserved1[10];
+	unsigned long	fec_mii_data;		/* MII manage frame reg */
+	unsigned long	fec_mii_speed;		/* MII speed control reg */
+	unsigned long	fec_reserved2[17];
+	unsigned long	fec_r_bound;		/* FIFO receive bound reg */
+	unsigned long	fec_r_fstart;		/* FIFO receive start reg */
+	unsigned long	fec_reserved3[4];
+	unsigned long	fec_x_wmrk;		/* FIFO transmit water mark */
+	unsigned long	fec_reserved4;
+	unsigned long	fec_x_fstart;		/* FIFO transmit start reg */
+	unsigned long	fec_reserved5[21];
+	unsigned long	fec_r_cntrl;		/* Receive control reg */
+	unsigned long	fec_max_frm_len;	/* Maximum frame length reg */
+	unsigned long	fec_reserved6[14];
+	unsigned long	fec_x_cntrl;		/* Transmit Control reg */
+	unsigned long	fec_reserved7[158];
+	unsigned long	fec_addr_low;		/* Low 32bits MAC address */
+	unsigned long	fec_addr_high;		/* High 16bits MAC address */
+	unsigned long	fec_hash_table_high;	/* High 32bits hash table */
+	unsigned long	fec_hash_table_low;	/* Low 32bits hash table */
+	unsigned long	fec_r_des_start;	/* Receive descriptor ring */
+	unsigned long	fec_x_des_start;	/* Transmit descriptor ring */
+	unsigned long	fec_r_buff_size;	/* Maximum receive buff size */
+	unsigned long	reserved8[9];
+	unsigned long	fec_fifo_ram[112];	/* FIFO RAM buffer */
+} fec_t;
+
+
+/*
+ *	Define the buffer descriptor structure.
+ */
+typedef struct bufdesc {
+	unsigned short	cbd_sc;			/* Control and status info */
+	unsigned short	cbd_datlen;		/* Data length */
+	unsigned long	cbd_bufaddr;		/* Buffer address */
+} cbd_t;
+
+
+/*
+ *	The following definitions courtesy of commproc.h, which where
+ *	Copyright (c) 1997 Dan Malek (dmalek@jlc.net).
+ */
+#define BD_SC_EMPTY     ((ushort)0x8000)        /* Recieve is empty */
+#define BD_SC_READY     ((ushort)0x8000)        /* Transmit is ready */
+#define BD_SC_WRAP      ((ushort)0x2000)        /* Last buffer descriptor */
+#define BD_SC_INTRPT    ((ushort)0x1000)        /* Interrupt on change */
+#define BD_SC_CM        ((ushort)0x0200)        /* Continous mode */
+#define BD_SC_ID        ((ushort)0x0100)        /* Rec'd too many idles */
+#define BD_SC_P         ((ushort)0x0100)        /* xmt preamble */
+#define BD_SC_BR        ((ushort)0x0020)        /* Break received */
+#define BD_SC_FR        ((ushort)0x0010)        /* Framing error */
+#define BD_SC_PR        ((ushort)0x0008)        /* Parity error */
+#define BD_SC_OV        ((ushort)0x0002)        /* Overrun */
+#define BD_SC_CD        ((ushort)0x0001)        /* ?? */
+
+/* Buffer descriptor control/status used by Ethernet receive.
+*/
+#define BD_ENET_RX_EMPTY        ((ushort)0x8000)
+#define BD_ENET_RX_WRAP         ((ushort)0x2000)
+#define BD_ENET_RX_INTR         ((ushort)0x1000)
+#define BD_ENET_RX_LAST         ((ushort)0x0800)
+#define BD_ENET_RX_FIRST        ((ushort)0x0400)
+#define BD_ENET_RX_MISS         ((ushort)0x0100)
+#define BD_ENET_RX_LG           ((ushort)0x0020)
+#define BD_ENET_RX_NO           ((ushort)0x0010)
+#define BD_ENET_RX_SH           ((ushort)0x0008)
+#define BD_ENET_RX_CR           ((ushort)0x0004)
+#define BD_ENET_RX_OV           ((ushort)0x0002)
+#define BD_ENET_RX_CL           ((ushort)0x0001)
+#define BD_ENET_RX_STATS        ((ushort)0x013f)        /* All status bits */
+
+/* Buffer descriptor control/status used by Ethernet transmit.
+*/
+#define BD_ENET_TX_READY        ((ushort)0x8000)
+#define BD_ENET_TX_PAD          ((ushort)0x4000)
+#define BD_ENET_TX_WRAP         ((ushort)0x2000)
+#define BD_ENET_TX_INTR         ((ushort)0x1000)
+#define BD_ENET_TX_LAST         ((ushort)0x0800)
+#define BD_ENET_TX_TC           ((ushort)0x0400)
+#define BD_ENET_TX_DEF          ((ushort)0x0200)
+#define BD_ENET_TX_HB           ((ushort)0x0100)
+#define BD_ENET_TX_LC           ((ushort)0x0080)
+#define BD_ENET_TX_RL           ((ushort)0x0040)
+#define BD_ENET_TX_RCMASK       ((ushort)0x003c)
+#define BD_ENET_TX_UN           ((ushort)0x0002)
+#define BD_ENET_TX_CSL          ((ushort)0x0001)
+#define BD_ENET_TX_STATS        ((ushort)0x03ff)        /* All status bits */
+
+
+/****************************************************************************/
+#endif /* FEC_H */