diff options
Diffstat (limited to 'drivers/net/fec.h')
| -rw-r--r-- | drivers/net/fec.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/drivers/net/fec.h b/drivers/net/fec.h new file mode 100644 index 0000000..c6e4f97 --- /dev/null +++ b/drivers/net/fec.h @@ -0,0 +1,164 @@ +/****************************************************************************/ + +/* + * 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 */ |
