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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-mips64/] [sn/] [ioc3.h] - Blame information for rev 1765

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1 1275 phoenix
/*
2
 * Copyright (C) 1999, 2000 Ralf Baechle
3
 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
4
 */
5
#ifndef _IOC3_H
6
#define _IOC3_H
7
 
8
/* SUPERIO uart register map */
9
typedef volatile struct ioc3_uartregs {
10
        union {
11
                volatile u8     rbr;    /* read only, DLAB == 0 */
12
                volatile u8     thr;    /* write only, DLAB == 0 */
13
                volatile u8     dll;    /* DLAB == 1 */
14
        } u1;
15
        union {
16
                volatile u8     ier;    /* DLAB == 0 */
17
                volatile u8     dlm;    /* DLAB == 1 */
18
        } u2;
19
        union {
20
                volatile u8     iir;    /* read only */
21
                volatile u8     fcr;    /* write only */
22
        } u3;
23
        volatile u8         iu_lcr;
24
        volatile u8         iu_mcr;
25
        volatile u8         iu_lsr;
26
        volatile u8         iu_msr;
27
        volatile u8         iu_scr;
28
} ioc3_uregs_t;
29
 
30
#define iu_rbr u1.rbr
31
#define iu_thr u1.thr
32
#define iu_dll u1.dll
33
#define iu_ier u2.ier
34
#define iu_dlm u2.dlm
35
#define iu_iir u3.iir
36
#define iu_fcr u3.fcr
37
 
38
struct ioc3_sioregs {
39
        volatile u8             fill[0x141];    /* starts at 0x141 */
40
 
41
        volatile u8             uartc;
42
        volatile u8             kbdcg;
43
 
44
        volatile u8             fill0[0x150 - 0x142 - 1];
45
 
46
        volatile u8             pp_data;
47
        volatile u8             pp_dsr;
48
        volatile u8             pp_dcr;
49
 
50
        volatile u8             fill1[0x158 - 0x152 - 1];
51
 
52
        volatile u8             pp_fifa;
53
        volatile u8             pp_cfgb;
54
        volatile u8             pp_ecr;
55
 
56
        volatile u8             fill2[0x168 - 0x15a - 1];
57
 
58
        volatile u8             rtcad;
59
        volatile u8             rtcdat;
60
 
61
        volatile u8             fill3[0x170 - 0x169 - 1];
62
 
63
        struct ioc3_uartregs    uartb;  /* 0x20170  */
64
        struct ioc3_uartregs    uarta;  /* 0x20178  */
65
};
66
 
67
/* Register layout of IOC3 in configuration space.  */
68
struct ioc3 {
69
        volatile u32    pad0[7];        /* 0x00000  */
70
        volatile u32    sio_ir;         /* 0x0001c  */
71
        volatile u32    sio_ies;        /* 0x00020  */
72
        volatile u32    sio_iec;        /* 0x00024  */
73
        volatile u32    sio_cr;         /* 0x00028  */
74
        volatile u32    int_out;        /* 0x0002c  */
75
        volatile u32    mcr;            /* 0x00030  */
76
 
77
        /* General Purpose I/O registers  */
78
        volatile u32    gpcr_s;         /* 0x00034  */
79
        volatile u32    gpcr_c;         /* 0x00038  */
80
        volatile u32    gpdr;           /* 0x0003c  */
81
        volatile u32    gppr_0;         /* 0x00040  */
82
        volatile u32    gppr_1;         /* 0x00044  */
83
        volatile u32    gppr_2;         /* 0x00048  */
84
        volatile u32    gppr_3;         /* 0x0004c  */
85
        volatile u32    gppr_4;         /* 0x00050  */
86
        volatile u32    gppr_5;         /* 0x00054  */
87
        volatile u32    gppr_6;         /* 0x00058  */
88
        volatile u32    gppr_7;         /* 0x0005c  */
89
        volatile u32    gppr_8;         /* 0x00060  */
90
        volatile u32    gppr_9;         /* 0x00064  */
91
        volatile u32    gppr_10;        /* 0x00068  */
92
        volatile u32    gppr_11;        /* 0x0006c  */
93
        volatile u32    gppr_12;        /* 0x00070  */
94
        volatile u32    gppr_13;        /* 0x00074  */
95
        volatile u32    gppr_14;        /* 0x00078  */
96
        volatile u32    gppr_15;        /* 0x0007c  */
97
 
98
        /* Parallel Port Registers  */
99
        volatile u32    ppbr_h_a;       /* 0x00080  */
100
        volatile u32    ppbr_l_a;       /* 0x00084  */
101
        volatile u32    ppcr_a;         /* 0x00088  */
102
        volatile u32    ppcr;           /* 0x0008c  */
103
        volatile u32    ppbr_h_b;       /* 0x00090  */
104
        volatile u32    ppbr_l_b;       /* 0x00094  */
105
        volatile u32    ppcr_b;         /* 0x00098  */
106
 
107
        /* Keyboard and Mouse Registers  */
108
        volatile u32    km_csr;         /* 0x0009c  */
109
        volatile u32    k_rd;           /* 0x000a0  */
110
        volatile u32    m_rd;           /* 0x000a4  */
111
        volatile u32    k_wd;           /* 0x000a8  */
112
        volatile u32    m_wd;           /* 0x000ac  */
113
 
114
        /* Serial Port Registers  */
115
        volatile u32    sbbr_h;         /* 0x000b0  */
116
        volatile u32    sbbr_l;         /* 0x000b4  */
117
        volatile u32    sscr_a;         /* 0x000b8  */
118
        volatile u32    stpir_a;        /* 0x000bc  */
119
        volatile u32    stcir_a;        /* 0x000c0  */
120
        volatile u32    srpir_a;        /* 0x000c4  */
121
        volatile u32    srcir_a;        /* 0x000c8  */
122
        volatile u32    srtr_a;         /* 0x000cc  */
123
        volatile u32    shadow_a;       /* 0x000d0  */
124
        volatile u32    sscr_b;         /* 0x000d4  */
125
        volatile u32    stpir_b;        /* 0x000d8  */
126
        volatile u32    stcir_b;        /* 0x000dc  */
127
        volatile u32    srpir_b;        /* 0x000e0  */
128
        volatile u32    srcir_b;        /* 0x000e4  */
129
        volatile u32    srtr_b;         /* 0x000e8  */
130
        volatile u32    shadow_b;       /* 0x000ec  */
131
 
132
        /* Ethernet Registers  */
133
        volatile u32    emcr;           /* 0x000f0  */
134
        volatile u32    eisr;           /* 0x000f4  */
135
        volatile u32    eier;           /* 0x000f8  */
136
        volatile u32    ercsr;          /* 0x000fc  */
137
        volatile u32    erbr_h;         /* 0x00100  */
138
        volatile u32    erbr_l;         /* 0x00104  */
139
        volatile u32    erbar;          /* 0x00108  */
140
        volatile u32    ercir;          /* 0x0010c  */
141
        volatile u32    erpir;          /* 0x00110  */
142
        volatile u32    ertr;           /* 0x00114  */
143
        volatile u32    etcsr;          /* 0x00118  */
144
        volatile u32    ersr;           /* 0x0011c  */
145
        volatile u32    etcdc;          /* 0x00120  */
146
        volatile u32    ebir;           /* 0x00124  */
147
        volatile u32    etbr_h;         /* 0x00128  */
148
        volatile u32    etbr_l;         /* 0x0012c  */
149
        volatile u32    etcir;          /* 0x00130  */
150
        volatile u32    etpir;          /* 0x00134  */
151
        volatile u32    emar_h;         /* 0x00138  */
152
        volatile u32    emar_l;         /* 0x0013c  */
153
        volatile u32    ehar_h;         /* 0x00140  */
154
        volatile u32    ehar_l;         /* 0x00144  */
155
        volatile u32    micr;           /* 0x00148  */
156
        volatile u32    midr_r;         /* 0x0014c  */
157
        volatile u32    midr_w;         /* 0x00150  */
158
        volatile u32    pad1[(0x20000 - 0x00154) / 4];
159
 
160
        /* SuperIO Registers  XXX */
161
        struct ioc3_sioregs     sregs;  /* 0x20000 */
162
        volatile u32    pad2[(0x40000 - 0x20180) / 4];
163
 
164
        /* SSRAM Diagnostic Access */
165
        volatile u32    ssram[(0x80000 - 0x40000) / 4];
166
 
167
        /* Bytebus device offsets
168
           0x80000 -   Access to the generic devices selected with   DEV0
169
           0x9FFFF     bytebus DEV_SEL_0
170
           0xA0000 -   Access to the generic devices selected with   DEV1
171
           0xBFFFF     bytebus DEV_SEL_1
172
           0xC0000 -   Access to the generic devices selected with   DEV2
173
           0xDFFFF     bytebus DEV_SEL_2
174
           0xE0000 -   Access to the generic devices selected with   DEV3
175
           0xFFFFF     bytebus DEV_SEL_3  */
176
};
177
 
178
/*
179
 * Ethernet RX Buffer
180
 */
181
struct ioc3_erxbuf {
182
        u32     w0;                     /* first word (valid,bcnt,cksum) */
183
        u32     err;                    /* second word various errors */
184
        /* next comes n bytes of padding */
185
        /* then the received ethernet frame itself */
186
};
187
 
188
#define ERXBUF_IPCKSUM_MASK     0x0000ffff
189
#define ERXBUF_BYTECNT_MASK     0x07ff0000
190
#define ERXBUF_BYTECNT_SHIFT    16
191
#define ERXBUF_V                0x80000000
192
 
193
#define ERXBUF_CRCERR           0x00000001      /* aka RSV15 */
194
#define ERXBUF_FRAMERR          0x00000002      /* aka RSV14 */
195
#define ERXBUF_CODERR           0x00000004      /* aka RSV13 */
196
#define ERXBUF_INVPREAMB        0x00000008      /* aka RSV18 */
197
#define ERXBUF_LOLEN            0x00007000      /* aka RSV2_0 */
198
#define ERXBUF_HILEN            0x03ff0000      /* aka RSV12_3 */
199
#define ERXBUF_MULTICAST        0x04000000      /* aka RSV16 */
200
#define ERXBUF_BROADCAST        0x08000000      /* aka RSV17 */
201
#define ERXBUF_LONGEVENT        0x10000000      /* aka RSV19 */
202
#define ERXBUF_BADPKT           0x20000000      /* aka RSV20 */
203
#define ERXBUF_GOODPKT          0x40000000      /* aka RSV21 */
204
#define ERXBUF_CARRIER          0x80000000      /* aka RSV22 */
205
 
206
/*
207
 * Ethernet TX Descriptor
208
 */
209
#define ETXD_DATALEN    104
210
struct ioc3_etxd {
211
        u32     cmd;                            /* command field */
212
        u32     bufcnt;                         /* buffer counts field */
213
        u64     p1;                             /* buffer pointer 1 */
214
        u64     p2;                             /* buffer pointer 2 */
215
        u8      data[ETXD_DATALEN];             /* opt. tx data */
216
};
217
 
218
#define ETXD_BYTECNT_MASK       0x000007ff      /* total byte count */
219
#define ETXD_INTWHENDONE        0x00001000      /* intr when done */
220
#define ETXD_D0V                0x00010000      /* data 0 valid */
221
#define ETXD_B1V                0x00020000      /* buf 1 valid */
222
#define ETXD_B2V                0x00040000      /* buf 2 valid */
223
#define ETXD_DOCHECKSUM         0x00080000      /* insert ip cksum */
224
#define ETXD_CHKOFF_MASK        0x07f00000      /* cksum byte offset */
225
#define ETXD_CHKOFF_SHIFT       20
226
 
227
#define ETXD_D0CNT_MASK         0x0000007f
228
#define ETXD_B1CNT_MASK         0x0007ff00
229
#define ETXD_B1CNT_SHIFT        8
230
#define ETXD_B2CNT_MASK         0x7ff00000
231
#define ETXD_B2CNT_SHIFT        20
232
 
233
/*
234
 * Bytebus device space
235
 */
236
#define IOC3_BYTEBUS_DEV0       0x80000L
237
#define IOC3_BYTEBUS_DEV1       0xa0000L
238
#define IOC3_BYTEBUS_DEV2       0xc0000L
239
#define IOC3_BYTEBUS_DEV3       0xe0000L
240
 
241
/* ------------------------------------------------------------------------- */
242
 
243
/* Superio Registers (PIO Access) */
244
#define IOC3_SIO_BASE           0x20000
245
#define IOC3_SIO_UARTC          (IOC3_SIO_BASE+0x141)   /* UART Config */
246
#define IOC3_SIO_KBDCG          (IOC3_SIO_BASE+0x142)   /* KBD Config */
247
#define IOC3_SIO_PP_BASE        (IOC3_SIO_BASE+PP_BASE)         /* Parallel Port */
248
#define IOC3_SIO_RTC_BASE       (IOC3_SIO_BASE+0x168)   /* Real Time Clock */
249
#define IOC3_SIO_UB_BASE        (IOC3_SIO_BASE+UARTB_BASE)      /* UART B */
250
#define IOC3_SIO_UA_BASE        (IOC3_SIO_BASE+UARTA_BASE)      /* UART A */
251
 
252
/* SSRAM Diagnostic Access */
253
#define IOC3_SSRAM      IOC3_RAM_OFF    /* base of SSRAM diagnostic access */
254
#define IOC3_SSRAM_LEN  0x40000 /* 256kb (address space size, may not be fully populated) */
255
#define IOC3_SSRAM_DM   0x0000ffff      /* data mask */
256
#define IOC3_SSRAM_PM   0x00010000      /* parity mask */
257
 
258
/* bitmasks for PCI_SCR */
259
#define PCI_SCR_PAR_RESP_EN     0x00000040      /* enb PCI parity checking */
260
#define PCI_SCR_SERR_EN         0x00000100      /* enable the SERR# driver */
261
#define PCI_SCR_DROP_MODE_EN    0x00008000      /* drop pios on parity err */
262
#define PCI_SCR_RX_SERR         (0x1 << 16)
263
#define PCI_SCR_DROP_MODE       (0x1 << 17)
264
#define PCI_SCR_SIG_PAR_ERR     (0x1 << 24)
265
#define PCI_SCR_SIG_TAR_ABRT    (0x1 << 27)
266
#define PCI_SCR_RX_TAR_ABRT     (0x1 << 28)
267
#define PCI_SCR_SIG_MST_ABRT    (0x1 << 29)
268
#define PCI_SCR_SIG_SERR        (0x1 << 30)
269
#define PCI_SCR_PAR_ERR         (0x1 << 31)
270
 
271
/* bitmasks for IOC3_KM_CSR */
272
#define KM_CSR_K_WRT_PEND 0x00000001    /* kbd port xmitting or resetting */
273
#define KM_CSR_M_WRT_PEND 0x00000002    /* mouse port xmitting or resetting */
274
#define KM_CSR_K_LCB      0x00000004    /* Line Cntrl Bit for last KBD write */
275
#define KM_CSR_M_LCB      0x00000008    /* same for mouse */
276
#define KM_CSR_K_DATA     0x00000010    /* state of kbd data line */
277
#define KM_CSR_K_CLK      0x00000020    /* state of kbd clock line */
278
#define KM_CSR_K_PULL_DATA 0x00000040   /* pull kbd data line low */
279
#define KM_CSR_K_PULL_CLK 0x00000080    /* pull kbd clock line low */
280
#define KM_CSR_M_DATA     0x00000100    /* state of ms data line */
281
#define KM_CSR_M_CLK      0x00000200    /* state of ms clock line */
282
#define KM_CSR_M_PULL_DATA 0x00000400   /* pull ms data line low */
283
#define KM_CSR_M_PULL_CLK 0x00000800    /* pull ms clock line low */
284
#define KM_CSR_EMM_MODE   0x00001000    /* emulation mode */
285
#define KM_CSR_SIM_MODE   0x00002000    /* clock X8 */
286
#define KM_CSR_K_SM_IDLE  0x00004000    /* Keyboard is idle */
287
#define KM_CSR_M_SM_IDLE  0x00008000    /* Mouse is idle */
288
#define KM_CSR_K_TO       0x00010000    /* Keyboard trying to send/receive */
289
#define KM_CSR_M_TO       0x00020000    /* Mouse trying to send/receive */
290
#define KM_CSR_K_TO_EN    0x00040000    /* KM_CSR_K_TO + KM_CSR_K_TO_EN = cause
291
                                           SIO_IR to assert */
292
#define KM_CSR_M_TO_EN    0x00080000    /* KM_CSR_M_TO + KM_CSR_M_TO_EN = cause
293
                                           SIO_IR to assert */
294
#define KM_CSR_K_CLAMP_ONE      0x00100000      /* Pull K_CLK low after rec. one char */
295
#define KM_CSR_M_CLAMP_ONE      0x00200000      /* Pull M_CLK low after rec. one char */
296
#define KM_CSR_K_CLAMP_THREE    0x00400000      /* Pull K_CLK low after rec. three chars */
297
#define KM_CSR_M_CLAMP_THREE    0x00800000      /* Pull M_CLK low after rec. three char */
298
 
299
/* bitmasks for IOC3_K_RD and IOC3_M_RD */
300
#define KM_RD_DATA_2    0x000000ff      /* 3rd char recvd since last read */
301
#define KM_RD_DATA_2_SHIFT 0
302
#define KM_RD_DATA_1    0x0000ff00      /* 2nd char recvd since last read */
303
#define KM_RD_DATA_1_SHIFT 8
304
#define KM_RD_DATA_0    0x00ff0000      /* 1st char recvd since last read */
305
#define KM_RD_DATA_0_SHIFT 16
306
#define KM_RD_FRAME_ERR_2 0x01000000    /*  framing or parity error in byte 2 */
307
#define KM_RD_FRAME_ERR_1 0x02000000    /* same for byte 1 */
308
#define KM_RD_FRAME_ERR_0 0x04000000    /* same for byte 0 */
309
 
310
#define KM_RD_KBD_MSE   0x08000000      /* 0 if from kbd, 1 if from mouse */
311
#define KM_RD_OFLO      0x10000000      /* 4th char recvd before this read */
312
#define KM_RD_VALID_2   0x20000000      /* DATA_2 valid */
313
#define KM_RD_VALID_1   0x40000000      /* DATA_1 valid */
314
#define KM_RD_VALID_0   0x80000000      /* DATA_0 valid */
315
#define KM_RD_VALID_ALL (KM_RD_VALID_0|KM_RD_VALID_1|KM_RD_VALID_2)
316
 
317
/* bitmasks for IOC3_K_WD & IOC3_M_WD */
318
#define KM_WD_WRT_DATA  0x000000ff      /* write to keyboard/mouse port */
319
#define KM_WD_WRT_DATA_SHIFT 0
320
 
321
/* bitmasks for serial RX status byte */
322
#define RXSB_OVERRUN    0x01    /* char(s) lost */
323
#define RXSB_PAR_ERR    0x02    /* parity error */
324
#define RXSB_FRAME_ERR  0x04    /* framing error */
325
#define RXSB_BREAK      0x08    /* break character */
326
#define RXSB_CTS        0x10    /* state of CTS */
327
#define RXSB_DCD        0x20    /* state of DCD */
328
#define RXSB_MODEM_VALID 0x40   /* DCD, CTS and OVERRUN are valid */
329
#define RXSB_DATA_VALID 0x80    /* data byte, FRAME_ERR PAR_ERR & BREAK valid */
330
 
331
/* bitmasks for serial TX control byte */
332
#define TXCB_INT_WHEN_DONE 0x20 /* interrupt after this byte is sent */
333
#define TXCB_INVALID    0x00    /* byte is invalid */
334
#define TXCB_VALID      0x40    /* byte is valid */
335
#define TXCB_MCR        0x80    /* data<7:0> to modem control register */
336
#define TXCB_DELAY      0xc0    /* delay data<7:0> mSec */
337
 
338
/* bitmasks for IOC3_SBBR_L */
339
#define SBBR_L_SIZE     0x00000001      /* 0 == 1KB rings, 1 == 4KB rings */
340
#define SBBR_L_BASE     0xfffff000      /* lower serial ring base addr */
341
 
342
/* bitmasks for IOC3_SSCR_<A:B> */
343
#define SSCR_RX_THRESHOLD 0x000001ff    /* hiwater mark */
344
#define SSCR_TX_TIMER_BUSY 0x00010000   /* TX timer in progress */
345
#define SSCR_HFC_EN     0x00020000      /* hardware flow control enabled */
346
#define SSCR_RX_RING_DCD 0x00040000     /* post RX record on delta-DCD */
347
#define SSCR_RX_RING_CTS 0x00080000     /* post RX record on delta-CTS */
348
#define SSCR_HIGH_SPD   0x00100000      /* 4X speed */
349
#define SSCR_DIAG       0x00200000      /* bypass clock divider for sim */
350
#define SSCR_RX_DRAIN   0x08000000      /* drain RX buffer to memory */
351
#define SSCR_DMA_EN     0x10000000      /* enable ring buffer DMA */
352
#define SSCR_DMA_PAUSE  0x20000000      /* pause DMA */
353
#define SSCR_PAUSE_STATE 0x40000000     /* sets when PAUSE takes effect */
354
#define SSCR_RESET      0x80000000      /* reset DMA channels */
355
 
356
/* all producer/comsumer pointers are the same bitfield */
357
#define PROD_CONS_PTR_4K 0x00000ff8     /* for 4K buffers */
358
#define PROD_CONS_PTR_1K 0x000003f8     /* for 1K buffers */
359
#define PROD_CONS_PTR_OFF 3
360
 
361
/* bitmasks for IOC3_SRCIR_<A:B> */
362
#define SRCIR_ARM       0x80000000      /* arm RX timer */
363
 
364
/* bitmasks for IOC3_SRPIR_<A:B> */
365
#define SRPIR_BYTE_CNT  0x07000000      /* bytes in packer */
366
#define SRPIR_BYTE_CNT_SHIFT 24
367
 
368
/* bitmasks for IOC3_STCIR_<A:B> */
369
#define STCIR_BYTE_CNT  0x0f000000      /* bytes in unpacker */
370
#define STCIR_BYTE_CNT_SHIFT 24
371
 
372
/* bitmasks for IOC3_SHADOW_<A:B> */
373
#define SHADOW_DR       0x00000001      /* data ready */
374
#define SHADOW_OE       0x00000002      /* overrun error */
375
#define SHADOW_PE       0x00000004      /* parity error */
376
#define SHADOW_FE       0x00000008      /* framing error */
377
#define SHADOW_BI       0x00000010      /* break interrupt */
378
#define SHADOW_THRE     0x00000020      /* transmit holding register empty */
379
#define SHADOW_TEMT     0x00000040      /* transmit shift register empty */
380
#define SHADOW_RFCE     0x00000080      /* char in RX fifo has an error */
381
#define SHADOW_DCTS     0x00010000      /* delta clear to send */
382
#define SHADOW_DDCD     0x00080000      /* delta data carrier detect */
383
#define SHADOW_CTS      0x00100000      /* clear to send */
384
#define SHADOW_DCD      0x00800000      /* data carrier detect */
385
#define SHADOW_DTR      0x01000000      /* data terminal ready */
386
#define SHADOW_RTS      0x02000000      /* request to send */
387
#define SHADOW_OUT1     0x04000000      /* 16550 OUT1 bit */
388
#define SHADOW_OUT2     0x08000000      /* 16550 OUT2 bit */
389
#define SHADOW_LOOP     0x10000000      /* loopback enabled */
390
 
391
/* bitmasks for IOC3_SRTR_<A:B> */
392
#define SRTR_CNT        0x00000fff      /* reload value for RX timer */
393
#define SRTR_CNT_VAL    0x0fff0000      /* current value of RX timer */
394
#define SRTR_CNT_VAL_SHIFT 16
395
#define SRTR_HZ         16000   /* SRTR clock frequency */
396
 
397
/* bitmasks for IOC3_SIO_IR, IOC3_SIO_IEC and IOC3_SIO_IES  */
398
#define SIO_IR_SA_TX_MT         0x00000001      /* Serial port A TX empty */
399
#define SIO_IR_SA_RX_FULL       0x00000002      /* port A RX buf full */
400
#define SIO_IR_SA_RX_HIGH       0x00000004      /* port A RX hiwat */
401
#define SIO_IR_SA_RX_TIMER      0x00000008      /* port A RX timeout */
402
#define SIO_IR_SA_DELTA_DCD     0x00000010      /* port A delta DCD */
403
#define SIO_IR_SA_DELTA_CTS     0x00000020      /* port A delta CTS */
404
#define SIO_IR_SA_INT           0x00000040      /* port A pass-thru intr */
405
#define SIO_IR_SA_TX_EXPLICIT   0x00000080      /* port A explicit TX thru */
406
#define SIO_IR_SA_MEMERR        0x00000100      /* port A PCI error */
407
#define SIO_IR_SB_TX_MT         0x00000200      /* */
408
#define SIO_IR_SB_RX_FULL       0x00000400      /* */
409
#define SIO_IR_SB_RX_HIGH       0x00000800      /* */
410
#define SIO_IR_SB_RX_TIMER      0x00001000      /* */
411
#define SIO_IR_SB_DELTA_DCD     0x00002000      /* */
412
#define SIO_IR_SB_DELTA_CTS     0x00004000      /* */
413
#define SIO_IR_SB_INT           0x00008000      /* */
414
#define SIO_IR_SB_TX_EXPLICIT   0x00010000      /* */
415
#define SIO_IR_SB_MEMERR        0x00020000      /* */
416
#define SIO_IR_PP_INT           0x00040000      /* P port pass-thru intr */
417
#define SIO_IR_PP_INTA          0x00080000      /* PP context A thru */
418
#define SIO_IR_PP_INTB          0x00100000      /* PP context B thru */
419
#define SIO_IR_PP_MEMERR        0x00200000      /* PP PCI error */
420
#define SIO_IR_KBD_INT          0x00400000      /* kbd/mouse intr */
421
#define SIO_IR_RT_INT           0x08000000      /* RT output pulse */
422
#define SIO_IR_GEN_INT1         0x10000000      /* RT input pulse */
423
#define SIO_IR_GEN_INT_SHIFT    28
424
 
425
/* per device interrupt masks */
426
#define SIO_IR_SA               (SIO_IR_SA_TX_MT | SIO_IR_SA_RX_FULL | \
427
                                 SIO_IR_SA_RX_HIGH | SIO_IR_SA_RX_TIMER | \
428
                                 SIO_IR_SA_DELTA_DCD | SIO_IR_SA_DELTA_CTS | \
429
                                 SIO_IR_SA_INT | SIO_IR_SA_TX_EXPLICIT | \
430
                                 SIO_IR_SA_MEMERR)
431
#define SIO_IR_SB               (SIO_IR_SB_TX_MT | SIO_IR_SB_RX_FULL | \
432
                                 SIO_IR_SB_RX_HIGH | SIO_IR_SB_RX_TIMER | \
433
                                 SIO_IR_SB_DELTA_DCD | SIO_IR_SB_DELTA_CTS | \
434
                                 SIO_IR_SB_INT | SIO_IR_SB_TX_EXPLICIT | \
435
                                 SIO_IR_SB_MEMERR)
436
#define SIO_IR_PP               (SIO_IR_PP_INT | SIO_IR_PP_INTA | \
437
                                 SIO_IR_PP_INTB | SIO_IR_PP_MEMERR)
438
#define SIO_IR_RT               (SIO_IR_RT_INT | SIO_IR_GEN_INT1)
439
 
440
/* macro to load pending interrupts */
441
#define IOC3_PENDING_INTRS(mem) (PCI_INW(&((mem)->sio_ir)) & \
442
                                 PCI_INW(&((mem)->sio_ies_ro)))
443
 
444
/* bitmasks for SIO_CR */
445
#define SIO_CR_SIO_RESET        0x00000001      /* reset the SIO */
446
#define SIO_CR_SER_A_BASE       0x000000fe      /* DMA poll addr port A */
447
#define SIO_CR_SER_A_BASE_SHIFT 1
448
#define SIO_CR_SER_B_BASE       0x00007f00      /* DMA poll addr port B */
449
#define SIO_CR_SER_B_BASE_SHIFT 8
450
#define SIO_SR_CMD_PULSE        0x00078000      /* byte bus strobe length */
451
#define SIO_CR_CMD_PULSE_SHIFT  15
452
#define SIO_CR_ARB_DIAG         0x00380000      /* cur !enet PCI requet (ro) */
453
#define SIO_CR_ARB_DIAG_TXA     0x00000000
454
#define SIO_CR_ARB_DIAG_RXA     0x00080000
455
#define SIO_CR_ARB_DIAG_TXB     0x00100000
456
#define SIO_CR_ARB_DIAG_RXB     0x00180000
457
#define SIO_CR_ARB_DIAG_PP      0x00200000
458
#define SIO_CR_ARB_DIAG_IDLE    0x00400000      /* 0 -> active request (ro) */
459
 
460
/* bitmasks for INT_OUT */
461
#define INT_OUT_COUNT   0x0000ffff      /* pulse interval timer */
462
#define INT_OUT_MODE    0x00070000      /* mode mask */
463
#define INT_OUT_MODE_0  0x00000000      /* set output to 0 */
464
#define INT_OUT_MODE_1  0x00040000      /* set output to 1 */
465
#define INT_OUT_MODE_1PULSE 0x00050000  /* send 1 pulse */
466
#define INT_OUT_MODE_PULSES 0x00060000  /* send 1 pulse every interval */
467
#define INT_OUT_MODE_SQW 0x00070000     /* toggle output every interval */
468
#define INT_OUT_DIAG    0x40000000      /* diag mode */
469
#define INT_OUT_INT_OUT 0x80000000      /* current state of INT_OUT */
470
 
471
/* time constants for INT_OUT */
472
#define INT_OUT_NS_PER_TICK (30 * 260)  /* 30 ns PCI clock, divisor=260 */
473
#define INT_OUT_TICKS_PER_PULSE 3       /* outgoing pulse lasts 3 ticks */
474
#define INT_OUT_US_TO_COUNT(x)          /* convert uS to a count value */ \
475
        (((x) * 10 + INT_OUT_NS_PER_TICK / 200) *       \
476
         100 / INT_OUT_NS_PER_TICK - 1)
477
#define INT_OUT_COUNT_TO_US(x)          /* convert count value to uS */ \
478
        (((x) + 1) * INT_OUT_NS_PER_TICK / 1000)
479
#define INT_OUT_MIN_TICKS 3     /* min period is width of pulse in "ticks" */
480
#define INT_OUT_MAX_TICKS INT_OUT_COUNT         /* largest possible count */
481
 
482
/* bitmasks for GPCR */
483
#define GPCR_DIR        0x000000ff      /* tristate pin input or output */
484
#define GPCR_DIR_PIN(x) (1<<(x))        /* access one of the DIR bits */
485
#define GPCR_EDGE       0x000f0000      /* extint edge or level sensitive */
486
#define GPCR_EDGE_PIN(x) (1<<((x)+15))  /* access one of the EDGE bits */
487
 
488
/* values for GPCR */
489
#define GPCR_INT_OUT_EN 0x00100000      /* enable INT_OUT to pin 0 */
490
#define GPCR_MLAN_EN    0x00200000      /* enable MCR to pin 8 */
491
#define GPCR_DIR_SERA_XCVR 0x00000080   /* Port A Transceiver select enable */
492
#define GPCR_DIR_SERB_XCVR 0x00000040   /* Port B Transceiver select enable */
493
#define GPCR_DIR_PHY_RST   0x00000020   /* ethernet PHY reset enable */
494
 
495
/* defs for some of the generic I/O pins */
496
#define GPCR_PHY_RESET          0x20    /* pin is output to PHY reset */
497
#define GPCR_UARTB_MODESEL      0x40    /* pin is output to port B mode sel */
498
#define GPCR_UARTA_MODESEL      0x80    /* pin is output to port A mode sel */
499
 
500
#define GPPR_PHY_RESET_PIN      5       /* GIO pin controlling phy reset */
501
#define GPPR_UARTB_MODESEL_PIN  6       /* GIO pin controlling uart b mode select */
502
#define GPPR_UARTA_MODESEL_PIN  7       /* GIO pin controlling uart a mode select */
503
 
504
#define EMCR_DUPLEX             0x00000001
505
#define EMCR_PROMISC            0x00000002
506
#define EMCR_PADEN              0x00000004
507
#define EMCR_RXOFF_MASK         0x000001f8
508
#define EMCR_RXOFF_SHIFT        3
509
#define EMCR_RAMPAR             0x00000200
510
#define EMCR_BADPAR             0x00000800
511
#define EMCR_BUFSIZ             0x00001000
512
#define EMCR_TXDMAEN            0x00002000
513
#define EMCR_TXEN               0x00004000
514
#define EMCR_RXDMAEN            0x00008000
515
#define EMCR_RXEN               0x00010000
516
#define EMCR_LOOPBACK           0x00020000
517
#define EMCR_ARB_DIAG           0x001c0000
518
#define EMCR_ARB_DIAG_IDLE      0x00200000
519
#define EMCR_RST                0x80000000
520
 
521
#define EISR_RXTIMERINT         0x00000001
522
#define EISR_RXTHRESHINT        0x00000002
523
#define EISR_RXOFLO             0x00000004
524
#define EISR_RXBUFOFLO          0x00000008
525
#define EISR_RXMEMERR           0x00000010
526
#define EISR_RXPARERR           0x00000020
527
#define EISR_TXEMPTY            0x00010000
528
#define EISR_TXRTRY             0x00020000
529
#define EISR_TXEXDEF            0x00040000
530
#define EISR_TXLCOL             0x00080000
531
#define EISR_TXGIANT            0x00100000
532
#define EISR_TXBUFUFLO          0x00200000
533
#define EISR_TXEXPLICIT         0x00400000
534
#define EISR_TXCOLLWRAP         0x00800000
535
#define EISR_TXDEFERWRAP        0x01000000
536
#define EISR_TXMEMERR           0x02000000
537
#define EISR_TXPARERR           0x04000000
538
 
539
#define ERCSR_THRESH_MASK       0x000001ff      /* enet RX threshold */
540
#define ERCSR_RX_TMR            0x40000000      /* simulation only */
541
#define ERCSR_DIAG_OFLO         0x80000000      /* simulation only */
542
 
543
#define ERBR_ALIGNMENT          4096
544
#define ERBR_L_RXRINGBASE_MASK  0xfffff000
545
 
546
#define ERBAR_BARRIER_BIT       0x0100
547
#define ERBAR_RXBARR_MASK       0xffff0000
548
#define ERBAR_RXBARR_SHIFT      16
549
 
550
#define ERCIR_RXCONSUME_MASK    0x00000fff
551
 
552
#define ERPIR_RXPRODUCE_MASK    0x00000fff
553
#define ERPIR_ARM               0x80000000
554
 
555
#define ERTR_CNT_MASK           0x000007ff
556
 
557
#define ETCSR_IPGT_MASK         0x0000007f
558
#define ETCSR_IPGR1_MASK        0x00007f00
559
#define ETCSR_IPGR1_SHIFT       8
560
#define ETCSR_IPGR2_MASK        0x007f0000
561
#define ETCSR_IPGR2_SHIFT       16
562
#define ETCSR_NOTXCLK           0x80000000
563
 
564
#define ETCDC_COLLCNT_MASK      0x0000ffff
565
#define ETCDC_DEFERCNT_MASK     0xffff0000
566
#define ETCDC_DEFERCNT_SHIFT    16
567
 
568
#define ETBR_ALIGNMENT          (64*1024)
569
#define ETBR_L_RINGSZ_MASK      0x00000001
570
#define ETBR_L_RINGSZ128        0
571
#define ETBR_L_RINGSZ512        1
572
#define ETBR_L_TXRINGBASE_MASK  0xffffc000
573
 
574
#define ETCIR_TXCONSUME_MASK    0x0000ffff
575
#define ETCIR_IDLE              0x80000000
576
 
577
#define ETPIR_TXPRODUCE_MASK    0x0000ffff
578
 
579
#define EBIR_TXBUFPROD_MASK     0x0000001f
580
#define EBIR_TXBUFCONS_MASK     0x00001f00
581
#define EBIR_TXBUFCONS_SHIFT    8
582
#define EBIR_RXBUFPROD_MASK     0x007fc000
583
#define EBIR_RXBUFPROD_SHIFT    14
584
#define EBIR_RXBUFCONS_MASK     0xff800000
585
#define EBIR_RXBUFCONS_SHIFT    23
586
 
587
#define MICR_REGADDR_MASK       0x0000001f
588
#define MICR_PHYADDR_MASK       0x000003e0
589
#define MICR_PHYADDR_SHIFT      5
590
#define MICR_READTRIG           0x00000400
591
#define MICR_BUSY               0x00000800
592
 
593
#define MIDR_DATA_MASK          0x0000ffff
594
 
595
#define ERXBUF_IPCKSUM_MASK     0x0000ffff
596
#define ERXBUF_BYTECNT_MASK     0x07ff0000
597
#define ERXBUF_BYTECNT_SHIFT    16
598
#define ERXBUF_V                0x80000000
599
 
600
#define ERXBUF_CRCERR           0x00000001      /* aka RSV15 */
601
#define ERXBUF_FRAMERR          0x00000002      /* aka RSV14 */
602
#define ERXBUF_CODERR           0x00000004      /* aka RSV13 */
603
#define ERXBUF_INVPREAMB        0x00000008      /* aka RSV18 */
604
#define ERXBUF_LOLEN            0x00007000      /* aka RSV2_0 */
605
#define ERXBUF_HILEN            0x03ff0000      /* aka RSV12_3 */
606
#define ERXBUF_MULTICAST        0x04000000      /* aka RSV16 */
607
#define ERXBUF_BROADCAST        0x08000000      /* aka RSV17 */
608
#define ERXBUF_LONGEVENT        0x10000000      /* aka RSV19 */
609
#define ERXBUF_BADPKT           0x20000000      /* aka RSV20 */
610
#define ERXBUF_GOODPKT          0x40000000      /* aka RSV21 */
611
#define ERXBUF_CARRIER          0x80000000      /* aka RSV22 */
612
 
613
#define ETXD_BYTECNT_MASK       0x000007ff      /* total byte count */
614
#define ETXD_INTWHENDONE        0x00001000      /* intr when done */
615
#define ETXD_D0V                0x00010000      /* data 0 valid */
616
#define ETXD_B1V                0x00020000      /* buf 1 valid */
617
#define ETXD_B2V                0x00040000      /* buf 2 valid */
618
#define ETXD_DOCHECKSUM         0x00080000      /* insert ip cksum */
619
#define ETXD_CHKOFF_MASK        0x07f00000      /* cksum byte offset */
620
#define ETXD_CHKOFF_SHIFT       20
621
 
622
#define ETXD_D0CNT_MASK         0x0000007f
623
#define ETXD_B1CNT_MASK         0x0007ff00
624
#define ETXD_B1CNT_SHIFT        8
625
#define ETXD_B2CNT_MASK         0x7ff00000
626
#define ETXD_B2CNT_SHIFT        20
627
 
628
typedef enum ioc3_subdevs_e {
629
    ioc3_subdev_ether,
630
    ioc3_subdev_generic,
631
    ioc3_subdev_nic,
632
    ioc3_subdev_kbms,
633
    ioc3_subdev_ttya,
634
    ioc3_subdev_ttyb,
635
    ioc3_subdev_ecpp,
636
    ioc3_subdev_rt,
637
    ioc3_nsubdevs
638
} ioc3_subdev_t;
639
 
640
/* subdevice disable bits,
641
 * from the standard INFO_LBL_SUBDEVS
642
 */
643
#define IOC3_SDB_ETHER          (1<<ioc3_subdev_ether)
644
#define IOC3_SDB_GENERIC        (1<<ioc3_subdev_generic)
645
#define IOC3_SDB_NIC            (1<<ioc3_subdev_nic)
646
#define IOC3_SDB_KBMS           (1<<ioc3_subdev_kbms)
647
#define IOC3_SDB_TTYA           (1<<ioc3_subdev_ttya)
648
#define IOC3_SDB_TTYB           (1<<ioc3_subdev_ttyb)
649
#define IOC3_SDB_ECPP           (1<<ioc3_subdev_ecpp)
650
#define IOC3_SDB_RT             (1<<ioc3_subdev_rt)
651
 
652
#define IOC3_ALL_SUBDEVS        ((1<<ioc3_nsubdevs)-1)
653
 
654
#define IOC3_SDB_SERIAL         (IOC3_SDB_TTYA|IOC3_SDB_TTYB)
655
 
656
#define IOC3_STD_SUBDEVS        IOC3_ALL_SUBDEVS
657
 
658
#define IOC3_INTA_SUBDEVS       IOC3_SDB_ETHER
659
#define IOC3_INTB_SUBDEVS       (IOC3_SDB_GENERIC|IOC3_SDB_KBMS|IOC3_SDB_SERIAL|IOC3_SDB_ECPP|IOC3_SDB_RT)
660
 
661
#endif /* _IOC3_H */

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