| /*********************************** |
| * $Id: m68360_enet.h,v 1.1 2002/03/02 15:01:07 gerg Exp $ |
| *********************************** |
| * |
| *************************************** |
| * Definitions for the ETHERNET controllers |
| *************************************** |
| */ |
| |
| #ifndef __ETHER_H |
| #define __ETHER_H |
| |
| #include "quicc_simple.h" |
| |
| /* |
| * transmit BD's |
| */ |
| #define T_R 0x8000 /* ready bit */ |
| #define E_T_PAD 0x4000 /* short frame padding */ |
| #define T_W 0x2000 /* wrap bit */ |
| #define T_I 0x1000 /* interrupt on completion */ |
| #define T_L 0x0800 /* last in frame */ |
| #define T_TC 0x0400 /* transmit CRC (when last) */ |
| |
| #define T_DEF 0x0200 /* defer indication */ |
| #define T_HB 0x0100 /* heartbeat */ |
| #define T_LC 0x0080 /* error: late collision */ |
| #define T_RL 0x0040 /* error: retransmission limit */ |
| #define T_RC 0x003c /* retry count */ |
| #define T_UN 0x0002 /* error: underrun */ |
| #define T_CSL 0x0001 /* carier sense lost */ |
| #define T_ERROR (T_HB | T_LC | T_RL | T_UN | T_CSL) |
| |
| /* |
| * receive BD's |
| */ |
| #define R_E 0x8000 /* buffer empty */ |
| #define R_W 0x2000 /* wrap bit */ |
| #define R_I 0x1000 /* interrupt on reception */ |
| #define R_L 0x0800 /* last BD in frame */ |
| #define R_F 0x0400 /* first BD in frame */ |
| #define R_M 0x0100 /* received because of promisc. mode */ |
| |
| #define R_LG 0x0020 /* frame too long */ |
| #define R_NO 0x0010 /* non-octet aligned */ |
| #define R_SH 0x0008 /* short frame */ |
| #define R_CR 0x0004 /* receive CRC error */ |
| #define R_OV 0x0002 /* receive overrun */ |
| #define R_CL 0x0001 /* collision */ |
| #define ETHER_R_ERROR (R_LG | R_NO | R_SH | R_CR | R_OV | R_CL) |
| |
| |
| /* |
| * ethernet interrupts |
| */ |
| #define ETHERNET_GRA 0x0080 /* graceful stop complete */ |
| #define ETHERNET_TXE 0x0010 /* transmit error */ |
| #define ETHERNET_RXF 0x0008 /* receive frame */ |
| #define ETHERNET_BSY 0x0004 /* busy condition */ |
| #define ETHERNET_TXB 0x0002 /* transmit buffer */ |
| #define ETHERNET_RXB 0x0001 /* receive buffer */ |
| |
| /* |
| * ethernet protocol specific mode register (PSMR) |
| */ |
| #define ETHER_HBC 0x8000 /* heartbeat checking */ |
| #define ETHER_FC 0x4000 /* force collision */ |
| #define ETHER_RSH 0x2000 /* receive short frames */ |
| #define ETHER_IAM 0x1000 /* individual address mode */ |
| #define ETHER_CRC_32 (0x2<<10) /* Enable CRC */ |
| #define ETHER_PRO 0x0200 /* promiscuous */ |
| #define ETHER_BRO 0x0100 /* broadcast address */ |
| #define ETHER_SBT 0x0080 /* stop backoff timer */ |
| #define ETHER_LPB 0x0040 /* Loop Back Mode */ |
| #define ETHER_SIP 0x0020 /* sample input pins */ |
| #define ETHER_LCW 0x0010 /* late collision window */ |
| #define ETHER_NIB_13 (0x0<<1) /* # of ignored bits 13 */ |
| #define ETHER_NIB_14 (0x1<<1) /* # of ignored bits 14 */ |
| #define ETHER_NIB_15 (0x2<<1) /* # of ignored bits 15 */ |
| #define ETHER_NIB_16 (0x3<<1) /* # of ignored bits 16 */ |
| #define ETHER_NIB_21 (0x4<<1) /* # of ignored bits 21 */ |
| #define ETHER_NIB_22 (0x5<<1) /* # of ignored bits 22 */ |
| #define ETHER_NIB_23 (0x6<<1) /* # of ignored bits 23 */ |
| #define ETHER_NIB_24 (0x7<<1) /* # of ignored bits 24 */ |
| |
| /* |
| * ethernet specific parameters |
| */ |
| #define CRC_WORD 4 /* Length in bytes of CRC */ |
| #define C_PRES 0xffffffff /* preform 32 bit CRC */ |
| #define C_MASK 0xdebb20e3 /* comply with 32 bit CRC */ |
| #define CRCEC 0x00000000 |
| #define ALEC 0x00000000 |
| #define DISFC 0x00000000 |
| #define PADS 0x00000000 |
| #define RET_LIM 0x000f /* retry 15 times to send a frame before interrupt */ |
| #define ETH_MFLR 0x05ee /* 1518 max frame size */ |
| #define MINFLR 0x0040 /* Minimum frame size 64 */ |
| #define MAXD1 0x05ee /* Max dma count 1518 */ |
| #define MAXD2 0x05ee |
| #define GADDR1 0x00000000 /* Clear group address */ |
| #define GADDR2 0x00000000 |
| #define GADDR3 0x00000000 |
| #define GADDR4 0x00000000 |
| #define P_PER 0x00000000 /*not used */ |
| #define IADDR1 0x00000000 /* Individual hash table not used */ |
| #define IADDR2 0x00000000 |
| #define IADDR3 0x00000000 |
| #define IADDR4 0x00000000 |
| #define TADDR_H 0x00000000 /* clear this regs */ |
| #define TADDR_M 0x00000000 |
| #define TADDR_L 0x00000000 |
| |
| /* SCC Parameter Ram */ |
| #define RFCR 0x18 /* normal operation */ |
| #define TFCR 0x18 /* normal operation */ |
| #define E_MRBLR 1518 /* Max ethernet frame length */ |
| |
| /* |
| * ethernet specific structure |
| */ |
| typedef union { |
| unsigned char b[6]; |
| struct { |
| unsigned short high; |
| unsigned short middl; |
| unsigned short low; |
| } w; |
| } ETHER_ADDR; |
| |
| typedef struct { |
| int max_frame_length; |
| int promisc_mode; |
| int reject_broadcast; |
| ETHER_ADDR phys_adr; |
| } ETHER_SPECIFIC; |
| |
| typedef struct { |
| ETHER_ADDR dst_addr; |
| ETHER_ADDR src_addr; |
| unsigned short type_or_len; |
| unsigned char data[1]; |
| } ETHER_FRAME; |
| |
| #define MAX_DATALEN 1500 |
| typedef struct { |
| ETHER_ADDR dst_addr; |
| ETHER_ADDR src_addr; |
| unsigned short type_or_len; |
| unsigned char data[MAX_DATALEN]; |
| unsigned char fcs[CRC_WORD]; |
| } ETHER_MAX_FRAME; |
| |
| |
| /* |
| * Internal ethernet function prototypes |
| */ |
| void ether_interrupt(int scc_num); |
| /* mleslie: debug */ |
| /* static void ethernet_rx_internal(int scc_num); */ |
| /* static void ethernet_tx_internal(int scc_num); */ |
| |
| /* |
| * User callable routines prototypes (ethernet specific) |
| */ |
| void ethernet_init(int scc_number, |
| alloc_routine *alloc_buffer, |
| free_routine *free_buffer, |
| store_rx_buffer_routine *store_rx_buffer, |
| handle_tx_error_routine *handle_tx_error, |
| handle_rx_error_routine *handle_rx_error, |
| handle_lost_error_routine *handle_lost_error, |
| ETHER_SPECIFIC *ether_spec); |
| int ethernet_tx(int scc_number, void *buf, int length); |
| |
| #endif |
| |
