linux-stable/drivers/net/fec.h
Greg Ungerer 7a77d918ad [PATCH] m68knommu: FEC ethernet header support for the ColdFire 5208
Add support for the new 5208 ColdFire in the FEC ethernet header.
Patch originally from Matt Waddel (from code originally written by
Mike Lavender).

Signed-off-by: Greg Ungerer <gerg@uclinux.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-11-07 08:00:47 -08:00

165 lines
6.9 KiB
C

/****************************************************************************/
/*
* fec.h -- Fast Ethernet Controller for Motorola ColdFire SoC
* processors.
*
* (C) Copyright 2000-2005, Greg Ungerer (gerg@snapgear.com)
* (C) Copyright 2000-2001, Lineo (www.lineo.com)
*/
/****************************************************************************/
#ifndef FEC_H
#define FEC_H
/****************************************************************************/
#if defined(CONFIG_M523x) || defined(CONFIG_M527x) || defined(CONFIG_M528x) || \
defined(CONFIG_M520x)
/*
* Just figures, Motorola would have to change the offsets for
* registers in the same peripheral device on different models
* of the ColdFire!
*/
typedef struct fec {
unsigned long fec_reserved0;
unsigned long fec_ievent; /* Interrupt event reg */
unsigned long fec_imask; /* Interrupt mask reg */
unsigned long fec_reserved1;
unsigned long fec_r_des_active; /* Receive descriptor reg */
unsigned long fec_x_des_active; /* Transmit descriptor reg */
unsigned long fec_reserved2[3];
unsigned long fec_ecntrl; /* Ethernet control reg */
unsigned long fec_reserved3[6];
unsigned long fec_mii_data; /* MII manage frame reg */
unsigned long fec_mii_speed; /* MII speed control reg */
unsigned long fec_reserved4[7];
unsigned long fec_mib_ctrlstat; /* MIB control/status reg */
unsigned long fec_reserved5[7];
unsigned long fec_r_cntrl; /* Receive control reg */
unsigned long fec_reserved6[15];
unsigned long fec_x_cntrl; /* Transmit Control reg */
unsigned long fec_reserved7[7];
unsigned long fec_addr_low; /* Low 32bits MAC address */
unsigned long fec_addr_high; /* High 16bits MAC address */
unsigned long fec_opd; /* Opcode + Pause duration */
unsigned long fec_reserved8[10];
unsigned long fec_hash_table_high; /* High 32bits hash table */
unsigned long fec_hash_table_low; /* Low 32bits hash table */
unsigned long fec_grp_hash_table_high;/* High 32bits hash table */
unsigned long fec_grp_hash_table_low; /* Low 32bits hash table */
unsigned long fec_reserved9[7];
unsigned long fec_x_wmrk; /* FIFO transmit water mark */
unsigned long fec_reserved10;
unsigned long fec_r_bound; /* FIFO receive bound reg */
unsigned long fec_r_fstart; /* FIFO receive start reg */
unsigned long fec_reserved11[11];
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 */
} fec_t;
#else
/*
* 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;
#endif /* CONFIG_M5272 */
/*
* 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 */