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[/] [openrisc/] [trunk/] [bootloaders/] [orpmon/] [include/] [eth.h] - Blame information for rev 249

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Line No. Rev Author Line
1 2 marcus.erl
#define ETH_REG_BASE  ETH_BASE 
2
#define ETH_BD_BASE   (ETH_BASE + 0x400)
3 140 julius
#define ETH_TOTAL_BD  32
4 2 marcus.erl
#define ETH_MAXBUF_LEN 0x600
5
 
6 140 julius
#define ETH_TXBD_NUM      16
7 2 marcus.erl
#define ETH_TXBD_NUM_MASK (ETH_TXBD_NUM - 1)
8 140 julius
#define ETH_RXBD_NUM      16
9 2 marcus.erl
#define ETH_RXBD_NUM_MASK (ETH_RXBD_NUM - 1)
10
 
11 140 julius
typedef unsigned int uint;
12
 
13
/* Ethernet configuration registers */
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typedef struct _oeth_regs {
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        uint    moder;          /* Mode Register */
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        uint    int_src;        /* Interrupt Source Register */
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        uint    int_mask;       /* Interrupt Mask Register */
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        uint    ipgt;           /* Back to Bak Inter Packet Gap Register */
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        uint    ipgr1;          /* Non Back to Back Inter Packet Gap Register 1 */
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        uint    ipgr2;          /* Non Back to Back Inter Packet Gap Register 2 */
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        uint    packet_len;     /* Packet Length Register (min. and max.) */
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        uint    collconf;       /* Collision and Retry Configuration Register */
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        uint    tx_bd_num;      /* Transmit Buffer Descriptor Number Register */
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        uint    ctrlmoder;      /* Control Module Mode Register */
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        uint    miimoder;       /* MII Mode Register */
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        uint    miicommand;     /* MII Command Register */
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        uint    miiaddress;     /* MII Address Register */
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        uint    miitx_data;     /* MII Transmit Data Register */
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        uint    miirx_data;     /* MII Receive Data Register */
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        uint    miistatus;      /* MII Status Register */
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        uint    mac_addr0;      /* MAC Individual Address Register 0 */
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        uint    mac_addr1;      /* MAC Individual Address Register 1 */
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        uint    hash_addr0;     /* Hash Register 0 */
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        uint    hash_addr1;     /* Hash Register 1 */
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} oeth_regs;
36
 
37 2 marcus.erl
/* Ethernet buffer descriptor */
38 140 julius
typedef struct _oeth_bd {
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        uint    len_status;
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        uint    addr;           /* Buffer address */
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} oeth_bd;
42
 
43
 
44
/* Ethernet buffer descriptor */
45 2 marcus.erl
typedef struct _eth_bd {
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        volatile unsigned long   len_status;     /* Buffer length and status */
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        volatile unsigned long    addr;          /* Buffer address */
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} eth_bd;
49
 
50
extern void eth_init (void (*rec)(volatile unsigned char *, int));
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extern void *eth_get_tx_buf (void);
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extern void eth_send (void *buf, unsigned long len);
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extern unsigned long eth_rx (void);
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extern void eth_halt(void);
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extern void init_rx_bd_pool(void);
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extern void init_tx_bd_pool(void);
57 140 julius
extern void eth_int_enable(void);
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extern void eth_toggle_traffic_mon(void);
59 2 marcus.erl
 
60
/* Tx BD */
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#define ETH_TX_BD_READY    0x8000 /* Tx BD Ready */
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#define ETH_TX_BD_IRQ      0x4000 /* Tx BD IRQ Enable */
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#define ETH_TX_BD_WRAP     0x2000 /* Tx BD Wrap (last BD) */
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#define ETH_TX_BD_PAD      0x1000 /* Tx BD Pad Enable */
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#define ETH_TX_BD_CRC      0x0800 /* Tx BD CRC Enable */
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#define ETH_TX_BD_UNDERRUN 0x0100 /* Tx BD Underrun Status */
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#define ETH_TX_BD_RETRY    0x00F0 /* Tx BD Retry Status */
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#define ETH_TX_BD_RETLIM   0x0008 /* Tx BD Retransmission Limit Status */
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#define ETH_TX_BD_LATECOL  0x0004 /* Tx BD Late Collision Status */
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#define ETH_TX_BD_DEFER    0x0002 /* Tx BD Defer Status */
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#define ETH_TX_BD_CARRIER  0x0001 /* Tx BD Carrier Sense Lost Status */
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#define ETH_TX_BD_STATS        (ETH_TX_BD_UNDERRUN             | \
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                                ETH_TX_BD_RETRY                | \
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                                ETH_TX_BD_RETLIM               | \
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                                ETH_TX_BD_LATECOL              | \
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                                ETH_TX_BD_DEFER                | \
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                                ETH_TX_BD_CARRIER)
79
 
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/* Rx BD */
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#define ETH_RX_BD_EMPTY    0x8000 /* Rx BD Empty */
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#define ETH_RX_BD_IRQ      0x4000 /* Rx BD IRQ Enable */
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#define ETH_RX_BD_WRAP     0x2000 /* Rx BD Wrap (last BD) */
84
 
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#define ETH_RX_BD_MISS     0x0080 /* Rx BD Miss Status */
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#define ETH_RX_BD_OVERRUN  0x0040 /* Rx BD Overrun Status */
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#define ETH_RX_BD_INVSIMB  0x0020 /* Rx BD Invalid Symbol Status */
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#define ETH_RX_BD_DRIBBLE  0x0010 /* Rx BD Dribble Nibble Status */
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#define ETH_RX_BD_TOOLONG  0x0008 /* Rx BD Too Long Status */
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#define ETH_RX_BD_SHORT    0x0004 /* Rx BD Too Short Frame Status */
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#define ETH_RX_BD_CRCERR   0x0002 /* Rx BD CRC Error Status */
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#define ETH_RX_BD_LATECOL  0x0001 /* Rx BD Late Collision Status */
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#define ETH_RX_BD_STATS        (ETH_RX_BD_MISS                | \
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                                ETH_RX_BD_OVERRUN              | \
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                                ETH_RX_BD_INVSIMB              | \
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                                ETH_RX_BD_DRIBBLE              | \
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                                ETH_RX_BD_TOOLONG              | \
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                                ETH_RX_BD_SHORT                | \
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                                ETH_RX_BD_CRCERR               | \
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                                ETH_RX_BD_LATECOL)
101
 
102
/* Register space */
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#define ETH_MODER      0x00     /* Mode Register */
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#define ETH_INT        0x04     /* Interrupt Source Register */
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#define ETH_INT_MASK   0x08 /* Interrupt Mask Register */
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#define ETH_IPGT       0x0C /* Back to Bak Inter Packet Gap Register */
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#define ETH_IPGR1      0x10 /* Non Back to Back Inter Packet Gap Register 1 */
108
#define ETH_IPGR2      0x14 /* Non Back to Back Inter Packet Gap Register 2 */
109
#define ETH_PACKETLEN  0x18 /* Packet Length Register (min. and max.) */
110
#define ETH_COLLCONF   0x1C /* Collision and Retry Configuration Register */
111
#define ETH_TX_BD_NUM  0x20 /* Transmit Buffer Descriptor Number Register */
112
#define ETH_CTRLMODER  0x24 /* Control Module Mode Register */
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#define ETH_MIIMODER   0x28 /* MII Mode Register */
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#define ETH_MIICOMMAND 0x2C /* MII Command Register */
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#define ETH_MIIADDRESS 0x30 /* MII Address Register */
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#define ETH_MIITX_DATA 0x34 /* MII Transmit Data Register */
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#define ETH_MIIRX_DATA 0x38 /* MII Receive Data Register */
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#define ETH_MIISTATUS  0x3C /* MII Status Register */
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#define ETH_MAC_ADDR0  0x40 /* MAC Individual Address Register 0 */
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#define ETH_MAC_ADDR1  0x44 /* MAC Individual Address Register 1 */
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#define ETH_HASH_ADDR0 0x48 /* Hash Register 0 */
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#define ETH_HASH_ADDR1 0x4C /* Hash Register 1 */
123
 
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/* MODER Register */
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#define ETH_MODER_RXEN     0x00000001 /* Receive Enable  */
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#define ETH_MODER_TXEN     0x00000002 /* Transmit Enable */
127
#define ETH_MODER_NOPRE    0x00000004 /* No Preamble  */
128
#define ETH_MODER_BRO      0x00000008 /* Reject Broadcast */
129
#define ETH_MODER_IAM      0x00000010 /* Use Individual Hash */
130
#define ETH_MODER_PRO      0x00000020 /* Promiscuous (receive all) */
131
#define ETH_MODER_IFG      0x00000040 /* Min. IFG not required */
132
#define ETH_MODER_LOOPBCK  0x00000080 /* Loop Back */
133
#define ETH_MODER_NOBCKOF  0x00000100 /* No Backoff */
134
#define ETH_MODER_EXDFREN  0x00000200 /* Excess Defer */
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#define ETH_MODER_FULLD    0x00000400 /* Full Duplex */
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#define ETH_MODER_RST      0x00000800 /* Reset MAC */
137
#define ETH_MODER_DLYCRCEN 0x00001000 /* Delayed CRC Enable */
138
#define ETH_MODER_CRCEN    0x00002000 /* CRC Enable */
139
#define ETH_MODER_HUGEN    0x00004000 /* Huge Enable */
140
#define ETH_MODER_PAD      0x00008000 /* Pad Enable */
141
#define ETH_MODER_RECSMALL 0x00010000 /* Receive Small */
142
 
143
/* Interrupt Source Register */
144
#define ETH_INT_TXB        0x00000001 /* Transmit Buffer IRQ */
145
#define ETH_INT_TXE        0x00000002 /* Transmit Error IRQ */
146
#define ETH_INT_RXF        0x00000004 /* Receive Frame IRQ */
147
#define ETH_INT_RXE        0x00000008 /* Receive Error IRQ */
148
#define ETH_INT_BUSY       0x00000010 /* Busy IRQ */
149
#define ETH_INT_TXC        0x00000020 /* Transmit Control Frame IRQ */
150
#define ETH_INT_RXC        0x00000040 /* Received Control Frame IRQ */
151
 
152
/* Interrupt Mask Register */
153
#define ETH_INT_MASK_TXB   0x00000001 /* Transmit Buffer IRQ Mask */
154
#define ETH_INT_MASK_TXE   0x00000002 /* Transmit Error IRQ Mask */
155
#define ETH_INT_MASK_RXF   0x00000004 /* Receive Frame IRQ Mask */
156
#define ETH_INT_MASK_RXE   0x00000008 /* Receive Error IRQ Mask */
157
#define ETH_INT_MASK_BUSY  0x00000010 /* Busy IRQ Mask */
158
#define ETH_INT_MASK_TXC   0x00000020 /* Transmit Control Frame IRQ Mask */
159
#define ETH_INT_MASK_RXC   0x00000040 /* Received Control Frame IRQ Mask */
160
 
161
/* Control Module Mode Register */
162
#define ETH_CTRLMODER_PASSALL 0x00000001 /* Pass Control Frames */
163
#define ETH_CTRLMODER_RXFLOW  0x00000002 /* Receive Control Flow Enable */
164
#define ETH_CTRLMODER_TXFLOW  0x00000004 /* Transmit Control Flow Enable */
165
 
166
/* MII Mode Register */
167
#define ETH_MIIMODER_CLKDIV   0x000000FF /* Clock Divider */
168
#define ETH_MIIMODER_NOPRE    0x00000100 /* No Preamble */
169
#define ETH_MIIMODER_RST      0x00000200 /* MIIM Reset */
170
 
171
/* MII Command Register */
172
#define ETH_MIICOMMAND_SCANSTAT  0x00000001 /* Scan Status */
173
#define ETH_MIICOMMAND_RSTAT     0x00000002 /* Read Status */
174
#define ETH_MIICOMMAND_WCTRLDATA 0x00000004 /* Write Control Data */
175
 
176
/* MII Address Register */
177
#define ETH_MIIADDRESS_FIAD 0x0000001F /* PHY Address */
178
#define ETH_MIIADDRESS_RGAD 0x00001F00 /* RGAD Address */
179
 
180
/* MII Status Register */
181
#define ETH_MIISTATUS_LINKFAIL 0x00000001 /* Link Fail */
182
#define ETH_MIISTATUS_BUSY     0x00000002 /* MII Busy */
183
#define ETH_MIISTATUS_NVALID   0x00000004 /* Data in MII Status Register is invalid */
184
 

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