diff options
Diffstat (limited to 'arch/m68k/include/asm/m68360_enet.h')
| -rw-r--r-- | arch/m68k/include/asm/m68360_enet.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/m68360_enet.h b/arch/m68k/include/asm/m68360_enet.h new file mode 100644 index 0000000..c36f4d0 --- /dev/null +++ b/arch/m68k/include/asm/m68360_enet.h @@ -0,0 +1,177 @@ +/*********************************** + * $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 + |