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/****************************************************************************/
/*
* fec.h -- Fast Ethernet Controller for Motorola ColdFire 5270,
5271, 5272, 5274, 5275, 5280 and 5282.
*
* (C) Copyright 2000-2003, Greg Ungerer (gerg@snapgear.com)
* (C) Copyright 2000-2001, Lineo (www.lineo.com)
*/
/****************************************************************************/
#ifndef FEC_H
#define FEC_H
/****************************************************************************/
#if defined(CONFIG_M527x) || defined(CONFIG_M528x)
/*
* 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 */
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