summaryrefslogtreecommitdiff
path: root/FreeRTOS/Demo/CORTEX_LM3Sxxxx_Eclipse/RTOSDemo/webserver/emac.h
blob: a49b59828a4be427814be1d76831afcb2ac593ca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
/*----------------------------------------------------------------------------
 *      LPC2378 Ethernet Definitions
 *----------------------------------------------------------------------------
 *      Name:    EMAC.H
 *      Purpose: Philips LPC2378 EMAC hardware definitions
 *----------------------------------------------------------------------------
 *      Copyright (c) 2006 KEIL - An ARM Company. All rights reserved.
 *---------------------------------------------------------------------------*/
#ifndef __EMAC_H
#define __EMAC_H

/* MAC address definition.  The MAC address must be unique on the network. */
#define emacETHADDR0 0
#define emacETHADDR1 0xbd
#define emacETHADDR2 0x33
#define emacETHADDR3 0x02
#define emacETHADDR4 0x64
#define emacETHADDR5 0x24


/* EMAC Memory Buffer configuration for 16K Ethernet RAM. */
#define NUM_RX_FRAG         4           /* Num.of RX Fragments 4*1536= 6.0kB */
#define NUM_TX_FRAG         2           /* Num.of TX Fragments 2*1536= 3.0kB */
#define ETH_FRAG_SIZE       1536        /* Packet Fragment size 1536 Bytes   */

#define ETH_MAX_FLEN        1536        /* Max. Ethernet Frame Size          */

/* EMAC variables located in 16K Ethernet SRAM */
#define RX_DESC_BASE        0x7FE00000
#define RX_STAT_BASE        (RX_DESC_BASE + NUM_RX_FRAG*8)
#define TX_DESC_BASE        (RX_STAT_BASE + NUM_RX_FRAG*8)
#define TX_STAT_BASE        (TX_DESC_BASE + NUM_TX_FRAG*8)
#define RX_BUF_BASE         (TX_STAT_BASE + NUM_TX_FRAG*4)
#define TX_BUF_BASE         (RX_BUF_BASE  + NUM_RX_FRAG*ETH_FRAG_SIZE)

/* RX and TX descriptor and status definitions. */
#define RX_DESC_PACKET(i)   (*(unsigned int *)(RX_DESC_BASE   + 8*i))
#define RX_DESC_CTRL(i)     (*(unsigned int *)(RX_DESC_BASE+4 + 8*i))
#define RX_STAT_INFO(i)     (*(unsigned int *)(RX_STAT_BASE   + 8*i))
#define RX_STAT_HASHCRC(i)  (*(unsigned int *)(RX_STAT_BASE+4 + 8*i))
#define TX_DESC_PACKET(i)   (*(unsigned int *)(TX_DESC_BASE   + 8*i))
#define TX_DESC_CTRL(i)     (*(unsigned int *)(TX_DESC_BASE+4 + 8*i))
#define TX_STAT_INFO(i)     (*(unsigned int *)(TX_STAT_BASE   + 4*i))
#define RX_BUF(i)           (RX_BUF_BASE + ETH_FRAG_SIZE*i)
#define TX_BUF(i)           (TX_BUF_BASE + ETH_FRAG_SIZE*i)

/* MAC Configuration Register 1 */
#define MAC1_REC_EN         0x00000001  /* Receive Enable                    */
#define MAC1_PASS_ALL       0x00000002  /* Pass All Receive Frames           */
#define MAC1_RX_FLOWC       0x00000004  /* RX Flow Control                   */
#define MAC1_TX_FLOWC       0x00000008  /* TX Flow Control                   */
#define MAC1_LOOPB          0x00000010  /* Loop Back Mode                    */
#define MAC1_RES_TX         0x00000100  /* Reset TX Logic                    */
#define MAC1_RES_MCS_TX     0x00000200  /* Reset MAC TX Control Sublayer     */
#define MAC1_RES_RX         0x00000400  /* Reset RX Logic                    */
#define MAC1_RES_MCS_RX     0x00000800  /* Reset MAC RX Control Sublayer     */
#define MAC1_SIM_RES        0x00004000  /* Simulation Reset                  */
#define MAC1_SOFT_RES       0x00008000  /* Soft Reset MAC                    */

/* MAC Configuration Register 2 */
#define MAC2_FULL_DUP       0x00000001  /* Full Duplex Mode                  */
#define MAC2_FRM_LEN_CHK    0x00000002  /* Frame Length Checking             */
#define MAC2_HUGE_FRM_EN    0x00000004  /* Huge Frame Enable                 */
#define MAC2_DLY_CRC        0x00000008  /* Delayed CRC Mode                  */
#define MAC2_CRC_EN         0x00000010  /* Append CRC to every Frame         */
#define MAC2_PAD_EN         0x00000020  /* Pad all Short Frames              */
#define MAC2_VLAN_PAD_EN    0x00000040  /* VLAN Pad Enable                   */
#define MAC2_ADET_PAD_EN    0x00000080  /* Auto Detect Pad Enable            */
#define MAC2_PPREAM_ENF     0x00000100  /* Pure Preamble Enforcement         */
#define MAC2_LPREAM_ENF     0x00000200  /* Long Preamble Enforcement         */
#undef  MAC2_NO_BACKOFF /* Remove compiler warning. */
#define MAC2_NO_BACKOFF     0x00001000  /* No Backoff Algorithm              */
#define MAC2_BACK_PRESSURE  0x00002000  /* Backoff Presurre / No Backoff     */
#define MAC2_EXCESS_DEF     0x00004000  /* Excess Defer                      */

/* Back-to-Back Inter-Packet-Gap Register */
#define IPGT_FULL_DUP       0x00000015  /* Recommended value for Full Duplex */
#define IPGT_HALF_DUP       0x00000012  /* Recommended value for Half Duplex */

/* Non Back-to-Back Inter-Packet-Gap Register */
#define IPGR_DEF            0x00000012  /* Recommended value                 */

/* Collision Window/Retry Register */
#define CLRT_DEF            0x0000370F  /* Default value                     */

/* PHY Support Register */
#undef SUPP_SPEED   /* Remove compiler warning. */
#define SUPP_SPEED          0x00000100  /* Reduced MII Logic Current Speed   */
#define SUPP_RES_RMII       0x00000800  /* Reset Reduced MII Logic           */

/* Test Register */
#define TEST_SHCUT_PQUANTA  0x00000001  /* Shortcut Pause Quanta             */
#define TEST_TST_PAUSE      0x00000002  /* Test Pause                        */
#define TEST_TST_BACKP      0x00000004  /* Test Back Pressure                */

/* MII Management Configuration Register */
#define MCFG_SCAN_INC       0x00000001  /* Scan Increment PHY Address        */
#define MCFG_SUPP_PREAM     0x00000002  /* Suppress Preamble                 */
#define MCFG_CLK_SEL        0x0000001C  /* Clock Select Mask                 */
#define MCFG_RES_MII        0x00008000  /* Reset MII Management Hardware     */

/* MII Management Command Register */
#undef MCMD_READ   /* Remove compiler warning. */
#define MCMD_READ           0x00000001  /* MII Read                          */
#undef MCMD_SCAN /* Remove compiler warning. */
#define MCMD_SCAN           0x00000002  /* MII Scan continuously             */

#define MII_WR_TOUT         0x00050000  /* MII Write timeout count           */
#define MII_RD_TOUT         0x00050000  /* MII Read timeout count            */

/* MII Management Address Register */
#define MADR_REG_ADR        0x0000001F  /* MII Register Address Mask         */
#define MADR_PHY_ADR        0x00001F00  /* PHY Address Mask                  */

/* MII Management Indicators Register */
#undef MIND_BUSY   /* Remove compiler warning. */
#define MIND_BUSY           0x00000001  /* MII is Busy                       */
#define MIND_SCAN           0x00000002  /* MII Scanning in Progress          */
#define MIND_NOT_VAL        0x00000004  /* MII Read Data not valid           */
#define MIND_MII_LINK_FAIL  0x00000008  /* MII Link Failed                   */

/* Command Register */
#define CR_RX_EN            0x00000001  /* Enable Receive                    */
#define CR_TX_EN            0x00000002  /* Enable Transmit                   */
#define CR_REG_RES          0x00000008  /* Reset Host Registers              */
#define CR_TX_RES           0x00000010  /* Reset Transmit Datapath           */
#define CR_RX_RES           0x00000020  /* Reset Receive Datapath            */
#define CR_PASS_RUNT_FRM    0x00000040  /* Pass Runt Frames                  */
#define CR_PASS_RX_FILT     0x00000080  /* Pass RX Filter                    */
#define CR_TX_FLOW_CTRL     0x00000100  /* TX Flow Control                   */
#define CR_RMII             0x00000200  /* Reduced MII Interface             */
#define CR_FULL_DUP         0x00000400  /* Full Duplex                       */

/* Status Register */
#define SR_RX_EN            0x00000001  /* Enable Receive                    */
#define SR_TX_EN            0x00000002  /* Enable Transmit                   */

/* Transmit Status Vector 0 Register */
#define TSV0_CRC_ERR        0x00000001  /* CRC error                         */
#define TSV0_LEN_CHKERR     0x00000002  /* Length Check Error                */
#define TSV0_LEN_OUTRNG     0x00000004  /* Length Out of Range               */
#define TSV0_DONE           0x00000008  /* Tramsmission Completed            */
#define TSV0_MCAST          0x00000010  /* Multicast Destination             */
#define TSV0_BCAST          0x00000020  /* Broadcast Destination             */
#define TSV0_PKT_DEFER      0x00000040  /* Packet Deferred                   */
#define TSV0_EXC_DEFER      0x00000080  /* Excessive Packet Deferral         */
#define TSV0_EXC_COLL       0x00000100  /* Excessive Collision               */
#define TSV0_LATE_COLL      0x00000200  /* Late Collision Occured            */
#define TSV0_GIANT          0x00000400  /* Giant Frame                       */
#define TSV0_UNDERRUN       0x00000800  /* Buffer Underrun                   */
#define TSV0_BYTES          0x0FFFF000  /* Total Bytes Transferred           */
#define TSV0_CTRL_FRAME     0x10000000  /* Control Frame                     */
#define TSV0_PAUSE          0x20000000  /* Pause Frame                       */
#define TSV0_BACK_PRESS     0x40000000  /* Backpressure Method Applied       */
#define TSV0_VLAN           0x80000000  /* VLAN Frame                        */

/* Transmit Status Vector 1 Register */
#define TSV1_BYTE_CNT       0x0000FFFF  /* Transmit Byte Count               */
#define TSV1_COLL_CNT       0x000F0000  /* Transmit Collision Count          */

/* Receive Status Vector Register */
#define RSV_BYTE_CNT        0x0000FFFF  /* Receive Byte Count                */
#define RSV_PKT_IGNORED     0x00010000  /* Packet Previously Ignored         */
#define RSV_RXDV_SEEN       0x00020000  /* RXDV Event Previously Seen        */
#define RSV_CARR_SEEN       0x00040000  /* Carrier Event Previously Seen     */
#define RSV_REC_CODEV       0x00080000  /* Receive Code Violation            */
#define RSV_CRC_ERR         0x00100000  /* CRC Error                         */
#define RSV_LEN_CHKERR      0x00200000  /* Length Check Error                */
#define RSV_LEN_OUTRNG      0x00400000  /* Length Out of Range               */
#define RSV_REC_OK          0x00800000  /* Frame Received OK                 */
#define RSV_MCAST           0x01000000  /* Multicast Frame                   */
#define RSV_BCAST           0x02000000  /* Broadcast Frame                   */
#define RSV_DRIB_NIBB       0x04000000  /* Dribble Nibble                    */
#define RSV_CTRL_FRAME      0x08000000  /* Control Frame                     */
#define RSV_PAUSE           0x10000000  /* Pause Frame                       */
#define RSV_UNSUPP_OPC      0x20000000  /* Unsupported Opcode                */
#define RSV_VLAN            0x40000000  /* VLAN Frame                        */

/* Flow Control Counter Register */
#define FCC_MIRR_CNT        0x0000FFFF  /* Mirror Counter                    */
#define FCC_PAUSE_TIM       0xFFFF0000  /* Pause Timer                       */

/* Flow Control Status Register */
#define FCS_MIRR_CNT        0x0000FFFF  /* Mirror Counter Current            */

/* Receive Filter Control Register */
#define RFC_UCAST_EN        0x00000001  /* Accept Unicast Frames Enable      */
#define RFC_BCAST_EN        0x00000002  /* Accept Broadcast Frames Enable    */
#define RFC_MCAST_EN        0x00000004  /* Accept Multicast Frames Enable    */
#define RFC_UCAST_HASH_EN   0x00000008  /* Accept Unicast Hash Filter Frames */
#define RFC_MCAST_HASH_EN   0x00000010  /* Accept Multicast Hash Filter Fram.*/
#define RFC_PERFECT_EN      0x00000020  /* Accept Perfect Match Enable       */
#define RFC_MAGP_WOL_EN     0x00001000  /* Magic Packet Filter WoL Enable    */
#define RFC_PFILT_WOL_EN    0x00002000  /* Perfect Filter WoL Enable         */

/* Receive Filter WoL Status/Clear Registers */
#define WOL_UCAST           0x00000001  /* Unicast Frame caused WoL          */
#define WOL_BCAST           0x00000002  /* Broadcast Frame caused WoL        */
#define WOL_MCAST           0x00000004  /* Multicast Frame caused WoL        */
#define WOL_UCAST_HASH      0x00000008  /* Unicast Hash Filter Frame WoL     */
#define WOL_MCAST_HASH      0x00000010  /* Multicast Hash Filter Frame WoL   */
#define WOL_PERFECT         0x00000020  /* Perfect Filter WoL                */
#define WOL_RX_FILTER       0x00000080  /* RX Filter caused WoL              */
#define WOL_MAG_PACKET      0x00000100  /* Magic Packet Filter caused WoL    */

/* Interrupt Status/Enable/Clear/Set Registers */
#define INT_RX_OVERRUN      0x00000001  /* Overrun Error in RX Queue         */
#define INT_RX_ERR          0x00000002  /* Receive Error                     */
#define INT_RX_FIN          0x00000004  /* RX Finished Process Descriptors   */
#define INT_RX_DONE         0x00000008  /* Receive Done                      */
#define INT_TX_UNDERRUN     0x00000010  /* Transmit Underrun                 */
#define INT_TX_ERR          0x00000020  /* Transmit Error                    */
#define INT_TX_FIN          0x00000040  /* TX Finished Process Descriptors   */
#define INT_TX_DONE         0x00000080  /* Transmit Done                     */
#define INT_SOFT_INT        0x00001000  /* Software Triggered Interrupt      */
#define INT_WAKEUP          0x00002000  /* Wakeup Event Interrupt            */

/* Power Down Register */
#define PD_POWER_DOWN       0x80000000  /* Power Down MAC                    */

/* RX Descriptor Control Word */
#define RCTRL_SIZE          0x000007FF  /* Buffer size mask                  */
#define RCTRL_INT           0x80000000  /* Generate RxDone Interrupt         */

/* RX Status Hash CRC Word */
#define RHASH_SA            0x000001FF  /* Hash CRC for Source Address       */
#define RHASH_DA            0x001FF000  /* Hash CRC for Destination Address  */

/* RX Status Information Word */
#define RINFO_SIZE          0x000007FF  /* Data size in bytes                */
#define RINFO_CTRL_FRAME    0x00040000  /* Control Frame                     */
#define RINFO_VLAN          0x00080000  /* VLAN Frame                        */
#define RINFO_FAIL_FILT     0x00100000  /* RX Filter Failed                  */
#define RINFO_MCAST         0x00200000  /* Multicast Frame                   */
#define RINFO_BCAST         0x00400000  /* Broadcast Frame                   */
#define RINFO_CRC_ERR       0x00800000  /* CRC Error in Frame                */
#define RINFO_SYM_ERR       0x01000000  /* Symbol Error from PHY             */
#define RINFO_LEN_ERR       0x02000000  /* Length Error                      */
#define RINFO_RANGE_ERR     0x04000000  /* Range Error (exceeded max. size)  */
#define RINFO_ALIGN_ERR     0x08000000  /* Alignment Error                   */
#define RINFO_OVERRUN       0x10000000  /* Receive overrun                   */
#define RINFO_NO_DESCR      0x20000000  /* No new Descriptor available       */
#define RINFO_LAST_FLAG     0x40000000  /* Last Fragment in Frame            */
#define RINFO_ERR           0x80000000  /* Error Occured (OR of all errors)  */

#define RINFO_ERR_MASK     (RINFO_FAIL_FILT | RINFO_CRC_ERR   | RINFO_SYM_ERR | \
                            RINFO_LEN_ERR   | RINFO_ALIGN_ERR | RINFO_OVERRUN)

/* TX Descriptor Control Word */
#define TCTRL_SIZE          0x000007FF  /* Size of data buffer in bytes      */
#define TCTRL_OVERRIDE      0x04000000  /* Override Default MAC Registers    */
#define TCTRL_HUGE          0x08000000  /* Enable Huge Frame                 */
#define TCTRL_PAD           0x10000000  /* Pad short Frames to 64 bytes      */
#define TCTRL_CRC           0x20000000  /* Append a hardware CRC to Frame    */
#define TCTRL_LAST          0x40000000  /* Last Descriptor for TX Frame      */
#define TCTRL_INT           0x80000000  /* Generate TxDone Interrupt         */

/* TX Status Information Word */
#define TINFO_COL_CNT       0x01E00000  /* Collision Count                   */
#define TINFO_DEFER         0x02000000  /* Packet Deferred (not an error)    */
#define TINFO_EXCESS_DEF    0x04000000  /* Excessive Deferral                */
#define TINFO_EXCESS_COL    0x08000000  /* Excessive Collision               */
#define TINFO_LATE_COL      0x10000000  /* Late Collision Occured            */
#define TINFO_UNDERRUN      0x20000000  /* Transmit Underrun                 */
#define TINFO_NO_DESCR      0x40000000  /* No new Descriptor available       */
#define TINFO_ERR           0x80000000  /* Error Occured (OR of all errors)  */

/* DP83848C PHY Registers */
#define PHY_REG_BMCR        0x00        /* Basic Mode Control Register       */
#define PHY_REG_BMSR        0x01        /* Basic Mode Status Register        */
#define PHY_REG_IDR1        0x02        /* PHY Identifier 1                  */
#define PHY_REG_IDR2        0x03        /* PHY Identifier 2                  */
#define PHY_REG_ANAR        0x04        /* Auto-Negotiation Advertisement    */
#define PHY_REG_ANLPAR      0x05        /* Auto-Neg. Link Partner Abitily    */
#define PHY_REG_ANER        0x06        /* Auto-Neg. Expansion Register      */
#define PHY_REG_ANNPTR      0x07        /* Auto-Neg. Next Page TX            */

/* PHY Extended Registers */
#define PHY_REG_STS         0x10        /* Status Register                   */
#define PHY_REG_MICR        0x11        /* MII Interrupt Control Register    */
#define PHY_REG_MISR        0x12        /* MII Interrupt Status Register     */
#define PHY_REG_FCSCR       0x14        /* False Carrier Sense Counter       */
#define PHY_REG_RECR        0x15        /* Receive Error Counter             */
#define PHY_REG_PCSR        0x16        /* PCS Sublayer Config. and Status   */
#define PHY_REG_RBR         0x17        /* RMII and Bypass Register          */
#define PHY_REG_LEDCR       0x18        /* LED Direct Control Register       */
#define PHY_REG_PHYCR       0x19        /* PHY Control Register              */
#define PHY_REG_10BTSCR     0x1A        /* 10Base-T Status/Control Register  */
#define PHY_REG_CDCTRL1     0x1B        /* CD Test Control and BIST Extens.  */
#define PHY_REG_EDCR        0x1D        /* Energy Detect Control Register    */

#define PHY_FULLD_100M      0x2100      /* Full Duplex 100Mbit               */
#define PHY_HALFD_100M      0x2000      /* Half Duplex 100Mbit               */
#define PHY_FULLD_10M       0x0100      /* Full Duplex 10Mbit                */
#define PHY_HALFD_10M       0x0000      /* Half Duplex 10MBit                */
#define PHY_AUTO_NEG        0x3000      /* Select Auto Negotiation           */

#define DP83848C_DEF_ADR    0x0100      /* Default PHY device address        */
#define DP83848C_ID         0x20005C90  /* PHY Identifier                    */

// prototypes
portBASE_TYPE  vInitEMAC(void);
unsigned short ReadFrameBE_EMAC(void);
void           vIncrementTxLength(unsigned long ulLength);
void           CopyFromFrame_EMAC(void *Dest, unsigned short Size);
void           DummyReadFrame_EMAC(unsigned short Size);
unsigned short StartReadFrame(void);
void           EndReadFrame(void);
unsigned int   CheckFrameReceived(void);
void           vInitialiseSend(void);
unsigned int   Rdy4Tx(void);
void           vSendBufferToMAC(void);
void vEMACWaitForInput( void );
unsigned int uiGetEMACRxData( unsigned char *ucBuffer );


#endif

/*----------------------------------------------------------------------------
 * end of file
 *---------------------------------------------------------------------------*/