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-rw-r--r--arch/mips/include/asm/sn/ioc3.h663
1 files changed, 663 insertions, 0 deletions
diff --git a/arch/mips/include/asm/sn/ioc3.h b/arch/mips/include/asm/sn/ioc3.h
new file mode 100644
index 000000000000..099677774d71
--- /dev/null
+++ b/arch/mips/include/asm/sn/ioc3.h
@@ -0,0 +1,663 @@
1/*
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#include <linux/types.h>
9
10/* SUPERIO uart register map */
11typedef volatile struct ioc3_uartregs {
12 union {
13 volatile u8 rbr; /* read only, DLAB == 0 */
14 volatile u8 thr; /* write only, DLAB == 0 */
15 volatile u8 dll; /* DLAB == 1 */
16 } u1;
17 union {
18 volatile u8 ier; /* DLAB == 0 */
19 volatile u8 dlm; /* DLAB == 1 */
20 } u2;
21 union {
22 volatile u8 iir; /* read only */
23 volatile u8 fcr; /* write only */
24 } u3;
25 volatile u8 iu_lcr;
26 volatile u8 iu_mcr;
27 volatile u8 iu_lsr;
28 volatile u8 iu_msr;
29 volatile u8 iu_scr;
30} ioc3_uregs_t;
31
32#define iu_rbr u1.rbr
33#define iu_thr u1.thr
34#define iu_dll u1.dll
35#define iu_ier u2.ier
36#define iu_dlm u2.dlm
37#define iu_iir u3.iir
38#define iu_fcr u3.fcr
39
40struct ioc3_sioregs {
41 volatile u8 fill[0x141]; /* starts at 0x141 */
42
43 volatile u8 uartc;
44 volatile u8 kbdcg;
45
46 volatile u8 fill0[0x150 - 0x142 - 1];
47
48 volatile u8 pp_data;
49 volatile u8 pp_dsr;
50 volatile u8 pp_dcr;
51
52 volatile u8 fill1[0x158 - 0x152 - 1];
53
54 volatile u8 pp_fifa;
55 volatile u8 pp_cfgb;
56 volatile u8 pp_ecr;
57
58 volatile u8 fill2[0x168 - 0x15a - 1];
59
60 volatile u8 rtcad;
61 volatile u8 rtcdat;
62
63 volatile u8 fill3[0x170 - 0x169 - 1];
64
65 struct ioc3_uartregs uartb; /* 0x20170 */
66 struct ioc3_uartregs uarta; /* 0x20178 */
67};
68
69/* Register layout of IOC3 in configuration space. */
70struct ioc3 {
71 volatile u32 pad0[7]; /* 0x00000 */
72 volatile u32 sio_ir; /* 0x0001c */
73 volatile u32 sio_ies; /* 0x00020 */
74 volatile u32 sio_iec; /* 0x00024 */
75 volatile u32 sio_cr; /* 0x00028 */
76 volatile u32 int_out; /* 0x0002c */
77 volatile u32 mcr; /* 0x00030 */
78
79 /* General Purpose I/O registers */
80 volatile u32 gpcr_s; /* 0x00034 */
81 volatile u32 gpcr_c; /* 0x00038 */
82 volatile u32 gpdr; /* 0x0003c */
83 volatile u32 gppr_0; /* 0x00040 */
84 volatile u32 gppr_1; /* 0x00044 */
85 volatile u32 gppr_2; /* 0x00048 */
86 volatile u32 gppr_3; /* 0x0004c */
87 volatile u32 gppr_4; /* 0x00050 */
88 volatile u32 gppr_5; /* 0x00054 */
89 volatile u32 gppr_6; /* 0x00058 */
90 volatile u32 gppr_7; /* 0x0005c */
91 volatile u32 gppr_8; /* 0x00060 */
92 volatile u32 gppr_9; /* 0x00064 */
93 volatile u32 gppr_10; /* 0x00068 */
94 volatile u32 gppr_11; /* 0x0006c */
95 volatile u32 gppr_12; /* 0x00070 */
96 volatile u32 gppr_13; /* 0x00074 */
97 volatile u32 gppr_14; /* 0x00078 */
98 volatile u32 gppr_15; /* 0x0007c */
99
100 /* Parallel Port Registers */
101 volatile u32 ppbr_h_a; /* 0x00080 */
102 volatile u32 ppbr_l_a; /* 0x00084 */
103 volatile u32 ppcr_a; /* 0x00088 */
104 volatile u32 ppcr; /* 0x0008c */
105 volatile u32 ppbr_h_b; /* 0x00090 */
106 volatile u32 ppbr_l_b; /* 0x00094 */
107 volatile u32 ppcr_b; /* 0x00098 */
108
109 /* Keyboard and Mouse Registers */
110 volatile u32 km_csr; /* 0x0009c */
111 volatile u32 k_rd; /* 0x000a0 */
112 volatile u32 m_rd; /* 0x000a4 */
113 volatile u32 k_wd; /* 0x000a8 */
114 volatile u32 m_wd; /* 0x000ac */
115
116 /* Serial Port Registers */
117 volatile u32 sbbr_h; /* 0x000b0 */
118 volatile u32 sbbr_l; /* 0x000b4 */
119 volatile u32 sscr_a; /* 0x000b8 */
120 volatile u32 stpir_a; /* 0x000bc */
121 volatile u32 stcir_a; /* 0x000c0 */
122 volatile u32 srpir_a; /* 0x000c4 */
123 volatile u32 srcir_a; /* 0x000c8 */
124 volatile u32 srtr_a; /* 0x000cc */
125 volatile u32 shadow_a; /* 0x000d0 */
126 volatile u32 sscr_b; /* 0x000d4 */
127 volatile u32 stpir_b; /* 0x000d8 */
128 volatile u32 stcir_b; /* 0x000dc */
129 volatile u32 srpir_b; /* 0x000e0 */
130 volatile u32 srcir_b; /* 0x000e4 */
131 volatile u32 srtr_b; /* 0x000e8 */
132 volatile u32 shadow_b; /* 0x000ec */
133
134 /* Ethernet Registers */
135 volatile u32 emcr; /* 0x000f0 */
136 volatile u32 eisr; /* 0x000f4 */
137 volatile u32 eier; /* 0x000f8 */
138 volatile u32 ercsr; /* 0x000fc */
139 volatile u32 erbr_h; /* 0x00100 */
140 volatile u32 erbr_l; /* 0x00104 */
141 volatile u32 erbar; /* 0x00108 */
142 volatile u32 ercir; /* 0x0010c */
143 volatile u32 erpir; /* 0x00110 */
144 volatile u32 ertr; /* 0x00114 */
145 volatile u32 etcsr; /* 0x00118 */
146 volatile u32 ersr; /* 0x0011c */
147 volatile u32 etcdc; /* 0x00120 */
148 volatile u32 ebir; /* 0x00124 */
149 volatile u32 etbr_h; /* 0x00128 */
150 volatile u32 etbr_l; /* 0x0012c */
151 volatile u32 etcir; /* 0x00130 */
152 volatile u32 etpir; /* 0x00134 */
153 volatile u32 emar_h; /* 0x00138 */
154 volatile u32 emar_l; /* 0x0013c */
155 volatile u32 ehar_h; /* 0x00140 */
156 volatile u32 ehar_l; /* 0x00144 */
157 volatile u32 micr; /* 0x00148 */
158 volatile u32 midr_r; /* 0x0014c */
159 volatile u32 midr_w; /* 0x00150 */
160 volatile u32 pad1[(0x20000 - 0x00154) / 4];
161
162 /* SuperIO Registers XXX */
163 struct ioc3_sioregs sregs; /* 0x20000 */
164 volatile u32 pad2[(0x40000 - 0x20180) / 4];
165
166 /* SSRAM Diagnostic Access */
167 volatile u32 ssram[(0x80000 - 0x40000) / 4];
168
169 /* Bytebus device offsets
170 0x80000 - Access to the generic devices selected with DEV0
171 0x9FFFF bytebus DEV_SEL_0
172 0xA0000 - Access to the generic devices selected with DEV1
173 0xBFFFF bytebus DEV_SEL_1
174 0xC0000 - Access to the generic devices selected with DEV2
175 0xDFFFF bytebus DEV_SEL_2
176 0xE0000 - Access to the generic devices selected with DEV3
177 0xFFFFF bytebus DEV_SEL_3 */
178};
179
180/*
181 * Ethernet RX Buffer
182 */
183struct ioc3_erxbuf {
184 u32 w0; /* first word (valid,bcnt,cksum) */
185 u32 err; /* second word various errors */
186 /* next comes n bytes of padding */
187 /* then the received ethernet frame itself */
188};
189
190#define ERXBUF_IPCKSUM_MASK 0x0000ffff
191#define ERXBUF_BYTECNT_MASK 0x07ff0000
192#define ERXBUF_BYTECNT_SHIFT 16
193#define ERXBUF_V 0x80000000
194
195#define ERXBUF_CRCERR 0x00000001 /* aka RSV15 */
196#define ERXBUF_FRAMERR 0x00000002 /* aka RSV14 */
197#define ERXBUF_CODERR 0x00000004 /* aka RSV13 */
198#define ERXBUF_INVPREAMB 0x00000008 /* aka RSV18 */
199#define ERXBUF_LOLEN 0x00007000 /* aka RSV2_0 */
200#define ERXBUF_HILEN 0x03ff0000 /* aka RSV12_3 */
201#define ERXBUF_MULTICAST 0x04000000 /* aka RSV16 */
202#define ERXBUF_BROADCAST 0x08000000 /* aka RSV17 */
203#define ERXBUF_LONGEVENT 0x10000000 /* aka RSV19 */
204#define ERXBUF_BADPKT 0x20000000 /* aka RSV20 */
205#define ERXBUF_GOODPKT 0x40000000 /* aka RSV21 */
206#define ERXBUF_CARRIER 0x80000000 /* aka RSV22 */
207
208/*
209 * Ethernet TX Descriptor
210 */
211#define ETXD_DATALEN 104
212struct ioc3_etxd {
213 u32 cmd; /* command field */
214 u32 bufcnt; /* buffer counts field */
215 u64 p1; /* buffer pointer 1 */
216 u64 p2; /* buffer pointer 2 */
217 u8 data[ETXD_DATALEN]; /* opt. tx data */
218};
219
220#define ETXD_BYTECNT_MASK 0x000007ff /* total byte count */
221#define ETXD_INTWHENDONE 0x00001000 /* intr when done */
222#define ETXD_D0V 0x00010000 /* data 0 valid */
223#define ETXD_B1V 0x00020000 /* buf 1 valid */
224#define ETXD_B2V 0x00040000 /* buf 2 valid */
225#define ETXD_DOCHECKSUM 0x00080000 /* insert ip cksum */
226#define ETXD_CHKOFF_MASK 0x07f00000 /* cksum byte offset */
227#define ETXD_CHKOFF_SHIFT 20
228
229#define ETXD_D0CNT_MASK 0x0000007f
230#define ETXD_B1CNT_MASK 0x0007ff00
231#define ETXD_B1CNT_SHIFT 8
232#define ETXD_B2CNT_MASK 0x7ff00000
233#define ETXD_B2CNT_SHIFT 20
234
235/*
236 * Bytebus device space
237 */
238#define IOC3_BYTEBUS_DEV0 0x80000L
239#define IOC3_BYTEBUS_DEV1 0xa0000L
240#define IOC3_BYTEBUS_DEV2 0xc0000L
241#define IOC3_BYTEBUS_DEV3 0xe0000L
242
243/* ------------------------------------------------------------------------- */
244
245/* Superio Registers (PIO Access) */
246#define IOC3_SIO_BASE 0x20000
247#define IOC3_SIO_UARTC (IOC3_SIO_BASE+0x141) /* UART Config */
248#define IOC3_SIO_KBDCG (IOC3_SIO_BASE+0x142) /* KBD Config */
249#define IOC3_SIO_PP_BASE (IOC3_SIO_BASE+PP_BASE) /* Parallel Port */
250#define IOC3_SIO_RTC_BASE (IOC3_SIO_BASE+0x168) /* Real Time Clock */
251#define IOC3_SIO_UB_BASE (IOC3_SIO_BASE+UARTB_BASE) /* UART B */
252#define IOC3_SIO_UA_BASE (IOC3_SIO_BASE+UARTA_BASE) /* UART A */
253
254/* SSRAM Diagnostic Access */
255#define IOC3_SSRAM IOC3_RAM_OFF /* base of SSRAM diagnostic access */
256#define IOC3_SSRAM_LEN 0x40000 /* 256kb (address space size, may not be fully populated) */
257#define IOC3_SSRAM_DM 0x0000ffff /* data mask */
258#define IOC3_SSRAM_PM 0x00010000 /* parity mask */
259
260/* bitmasks for PCI_SCR */
261#define PCI_SCR_PAR_RESP_EN 0x00000040 /* enb PCI parity checking */
262#define PCI_SCR_SERR_EN 0x00000100 /* enable the SERR# driver */
263#define PCI_SCR_DROP_MODE_EN 0x00008000 /* drop pios on parity err */
264#define PCI_SCR_RX_SERR (0x1 << 16)
265#define PCI_SCR_DROP_MODE (0x1 << 17)
266#define PCI_SCR_SIG_PAR_ERR (0x1 << 24)
267#define PCI_SCR_SIG_TAR_ABRT (0x1 << 27)
268#define PCI_SCR_RX_TAR_ABRT (0x1 << 28)
269#define PCI_SCR_SIG_MST_ABRT (0x1 << 29)
270#define PCI_SCR_SIG_SERR (0x1 << 30)
271#define PCI_SCR_PAR_ERR (0x1 << 31)
272
273/* bitmasks for IOC3_KM_CSR */
274#define KM_CSR_K_WRT_PEND 0x00000001 /* kbd port xmitting or resetting */
275#define KM_CSR_M_WRT_PEND 0x00000002 /* mouse port xmitting or resetting */
276#define KM_CSR_K_LCB 0x00000004 /* Line Cntrl Bit for last KBD write */
277#define KM_CSR_M_LCB 0x00000008 /* same for mouse */
278#define KM_CSR_K_DATA 0x00000010 /* state of kbd data line */
279#define KM_CSR_K_CLK 0x00000020 /* state of kbd clock line */
280#define KM_CSR_K_PULL_DATA 0x00000040 /* pull kbd data line low */
281#define KM_CSR_K_PULL_CLK 0x00000080 /* pull kbd clock line low */
282#define KM_CSR_M_DATA 0x00000100 /* state of ms data line */
283#define KM_CSR_M_CLK 0x00000200 /* state of ms clock line */
284#define KM_CSR_M_PULL_DATA 0x00000400 /* pull ms data line low */
285#define KM_CSR_M_PULL_CLK 0x00000800 /* pull ms clock line low */
286#define KM_CSR_EMM_MODE 0x00001000 /* emulation mode */
287#define KM_CSR_SIM_MODE 0x00002000 /* clock X8 */
288#define KM_CSR_K_SM_IDLE 0x00004000 /* Keyboard is idle */
289#define KM_CSR_M_SM_IDLE 0x00008000 /* Mouse is idle */
290#define KM_CSR_K_TO 0x00010000 /* Keyboard trying to send/receive */
291#define KM_CSR_M_TO 0x00020000 /* Mouse trying to send/receive */
292#define KM_CSR_K_TO_EN 0x00040000 /* KM_CSR_K_TO + KM_CSR_K_TO_EN = cause
293 SIO_IR to assert */
294#define KM_CSR_M_TO_EN 0x00080000 /* KM_CSR_M_TO + KM_CSR_M_TO_EN = cause
295 SIO_IR to assert */
296#define KM_CSR_K_CLAMP_ONE 0x00100000 /* Pull K_CLK low after rec. one char */
297#define KM_CSR_M_CLAMP_ONE 0x00200000 /* Pull M_CLK low after rec. one char */
298#define KM_CSR_K_CLAMP_THREE 0x00400000 /* Pull K_CLK low after rec. three chars */
299#define KM_CSR_M_CLAMP_THREE 0x00800000 /* Pull M_CLK low after rec. three char */
300
301/* bitmasks for IOC3_K_RD and IOC3_M_RD */
302#define KM_RD_DATA_2 0x000000ff /* 3rd char recvd since last read */
303#define KM_RD_DATA_2_SHIFT 0
304#define KM_RD_DATA_1 0x0000ff00 /* 2nd char recvd since last read */
305#define KM_RD_DATA_1_SHIFT 8
306#define KM_RD_DATA_0 0x00ff0000 /* 1st char recvd since last read */
307#define KM_RD_DATA_0_SHIFT 16
308#define KM_RD_FRAME_ERR_2 0x01000000 /* framing or parity error in byte 2 */
309#define KM_RD_FRAME_ERR_1 0x02000000 /* same for byte 1 */
310#define KM_RD_FRAME_ERR_0 0x04000000 /* same for byte 0 */
311
312#define KM_RD_KBD_MSE 0x08000000 /* 0 if from kbd, 1 if from mouse */
313#define KM_RD_OFLO 0x10000000 /* 4th char recvd before this read */
314#define KM_RD_VALID_2 0x20000000 /* DATA_2 valid */
315#define KM_RD_VALID_1 0x40000000 /* DATA_1 valid */
316#define KM_RD_VALID_0 0x80000000 /* DATA_0 valid */
317#define KM_RD_VALID_ALL (KM_RD_VALID_0|KM_RD_VALID_1|KM_RD_VALID_2)
318
319/* bitmasks for IOC3_K_WD & IOC3_M_WD */
320#define KM_WD_WRT_DATA 0x000000ff /* write to keyboard/mouse port */
321#define KM_WD_WRT_DATA_SHIFT 0
322
323/* bitmasks for serial RX status byte */
324#define RXSB_OVERRUN 0x01 /* char(s) lost */
325#define RXSB_PAR_ERR 0x02 /* parity error */
326#define RXSB_FRAME_ERR 0x04 /* framing error */
327#define RXSB_BREAK 0x08 /* break character */
328#define RXSB_CTS 0x10 /* state of CTS */
329#define RXSB_DCD 0x20 /* state of DCD */
330#define RXSB_MODEM_VALID 0x40 /* DCD, CTS and OVERRUN are valid */
331#define RXSB_DATA_VALID 0x80 /* data byte, FRAME_ERR PAR_ERR & BREAK valid */
332
333/* bitmasks for serial TX control byte */
334#define TXCB_INT_WHEN_DONE 0x20 /* interrupt after this byte is sent */
335#define TXCB_INVALID 0x00 /* byte is invalid */
336#define TXCB_VALID 0x40 /* byte is valid */
337#define TXCB_MCR 0x80 /* data<7:0> to modem control register */
338#define TXCB_DELAY 0xc0 /* delay data<7:0> mSec */
339
340/* bitmasks for IOC3_SBBR_L */
341#define SBBR_L_SIZE 0x00000001 /* 0 == 1KB rings, 1 == 4KB rings */
342#define SBBR_L_BASE 0xfffff000 /* lower serial ring base addr */
343
344/* bitmasks for IOC3_SSCR_<A:B> */
345#define SSCR_RX_THRESHOLD 0x000001ff /* hiwater mark */
346#define SSCR_TX_TIMER_BUSY 0x00010000 /* TX timer in progress */
347#define SSCR_HFC_EN 0x00020000 /* hardware flow control enabled */
348#define SSCR_RX_RING_DCD 0x00040000 /* post RX record on delta-DCD */
349#define SSCR_RX_RING_CTS 0x00080000 /* post RX record on delta-CTS */
350#define SSCR_HIGH_SPD 0x00100000 /* 4X speed */
351#define SSCR_DIAG 0x00200000 /* bypass clock divider for sim */
352#define SSCR_RX_DRAIN 0x08000000 /* drain RX buffer to memory */
353#define SSCR_DMA_EN 0x10000000 /* enable ring buffer DMA */
354#define SSCR_DMA_PAUSE 0x20000000 /* pause DMA */
355#define SSCR_PAUSE_STATE 0x40000000 /* sets when PAUSE takes effect */
356#define SSCR_RESET 0x80000000 /* reset DMA channels */
357
358/* all producer/comsumer pointers are the same bitfield */
359#define PROD_CONS_PTR_4K 0x00000ff8 /* for 4K buffers */
360#define PROD_CONS_PTR_1K 0x000003f8 /* for 1K buffers */
361#define PROD_CONS_PTR_OFF 3
362
363/* bitmasks for IOC3_SRCIR_<A:B> */
364#define SRCIR_ARM 0x80000000 /* arm RX timer */
365
366/* bitmasks for IOC3_SRPIR_<A:B> */
367#define SRPIR_BYTE_CNT 0x07000000 /* bytes in packer */
368#define SRPIR_BYTE_CNT_SHIFT 24
369
370/* bitmasks for IOC3_STCIR_<A:B> */
371#define STCIR_BYTE_CNT 0x0f000000 /* bytes in unpacker */
372#define STCIR_BYTE_CNT_SHIFT 24
373
374/* bitmasks for IOC3_SHADOW_<A:B> */
375#define SHADOW_DR 0x00000001 /* data ready */
376#define SHADOW_OE 0x00000002 /* overrun error */
377#define SHADOW_PE 0x00000004 /* parity error */
378#define SHADOW_FE 0x00000008 /* framing error */
379#define SHADOW_BI 0x00000010 /* break interrupt */
380#define SHADOW_THRE 0x00000020 /* transmit holding register empty */
381#define SHADOW_TEMT 0x00000040 /* transmit shift register empty */
382#define SHADOW_RFCE 0x00000080 /* char in RX fifo has an error */
383#define SHADOW_DCTS 0x00010000 /* delta clear to send */
384#define SHADOW_DDCD 0x00080000 /* delta data carrier detect */
385#define SHADOW_CTS 0x00100000 /* clear to send */
386#define SHADOW_DCD 0x00800000 /* data carrier detect */
387#define SHADOW_DTR 0x01000000 /* data terminal ready */
388#define SHADOW_RTS 0x02000000 /* request to send */
389#define SHADOW_OUT1 0x04000000 /* 16550 OUT1 bit */
390#define SHADOW_OUT2 0x08000000 /* 16550 OUT2 bit */
391#define SHADOW_LOOP 0x10000000 /* loopback enabled */
392
393/* bitmasks for IOC3_SRTR_<A:B> */
394#define SRTR_CNT 0x00000fff /* reload value for RX timer */
395#define SRTR_CNT_VAL 0x0fff0000 /* current value of RX timer */
396#define SRTR_CNT_VAL_SHIFT 16
397#define SRTR_HZ 16000 /* SRTR clock frequency */
398
399/* bitmasks for IOC3_SIO_IR, IOC3_SIO_IEC and IOC3_SIO_IES */
400#define SIO_IR_SA_TX_MT 0x00000001 /* Serial port A TX empty */
401#define SIO_IR_SA_RX_FULL 0x00000002 /* port A RX buf full */
402#define SIO_IR_SA_RX_HIGH 0x00000004 /* port A RX hiwat */
403#define SIO_IR_SA_RX_TIMER 0x00000008 /* port A RX timeout */
404#define SIO_IR_SA_DELTA_DCD 0x00000010 /* port A delta DCD */
405#define SIO_IR_SA_DELTA_CTS 0x00000020 /* port A delta CTS */
406#define SIO_IR_SA_INT 0x00000040 /* port A pass-thru intr */
407#define SIO_IR_SA_TX_EXPLICIT 0x00000080 /* port A explicit TX thru */
408#define SIO_IR_SA_MEMERR 0x00000100 /* port A PCI error */
409#define SIO_IR_SB_TX_MT 0x00000200 /* */
410#define SIO_IR_SB_RX_FULL 0x00000400 /* */
411#define SIO_IR_SB_RX_HIGH 0x00000800 /* */
412#define SIO_IR_SB_RX_TIMER 0x00001000 /* */
413#define SIO_IR_SB_DELTA_DCD 0x00002000 /* */
414#define SIO_IR_SB_DELTA_CTS 0x00004000 /* */
415#define SIO_IR_SB_INT 0x00008000 /* */
416#define SIO_IR_SB_TX_EXPLICIT 0x00010000 /* */
417#define SIO_IR_SB_MEMERR 0x00020000 /* */
418#define SIO_IR_PP_INT 0x00040000 /* P port pass-thru intr */
419#define SIO_IR_PP_INTA 0x00080000 /* PP context A thru */
420#define SIO_IR_PP_INTB 0x00100000 /* PP context B thru */
421#define SIO_IR_PP_MEMERR 0x00200000 /* PP PCI error */
422#define SIO_IR_KBD_INT 0x00400000 /* kbd/mouse intr */
423#define SIO_IR_RT_INT 0x08000000 /* RT output pulse */
424#define SIO_IR_GEN_INT1 0x10000000 /* RT input pulse */
425#define SIO_IR_GEN_INT_SHIFT 28
426
427/* per device interrupt masks */
428#define SIO_IR_SA (SIO_IR_SA_TX_MT | SIO_IR_SA_RX_FULL | \
429 SIO_IR_SA_RX_HIGH | SIO_IR_SA_RX_TIMER | \
430 SIO_IR_SA_DELTA_DCD | SIO_IR_SA_DELTA_CTS | \
431 SIO_IR_SA_INT | SIO_IR_SA_TX_EXPLICIT | \
432 SIO_IR_SA_MEMERR)
433#define SIO_IR_SB (SIO_IR_SB_TX_MT | SIO_IR_SB_RX_FULL | \
434 SIO_IR_SB_RX_HIGH | SIO_IR_SB_RX_TIMER | \
435 SIO_IR_SB_DELTA_DCD | SIO_IR_SB_DELTA_CTS | \
436 SIO_IR_SB_INT | SIO_IR_SB_TX_EXPLICIT | \
437 SIO_IR_SB_MEMERR)
438#define SIO_IR_PP (SIO_IR_PP_INT | SIO_IR_PP_INTA | \
439 SIO_IR_PP_INTB | SIO_IR_PP_MEMERR)
440#define SIO_IR_RT (SIO_IR_RT_INT | SIO_IR_GEN_INT1)
441
442/* macro to load pending interrupts */
443#define IOC3_PENDING_INTRS(mem) (PCI_INW(&((mem)->sio_ir)) & \
444 PCI_INW(&((mem)->sio_ies_ro)))
445
446/* bitmasks for SIO_CR */
447#define SIO_CR_SIO_RESET 0x00000001 /* reset the SIO */
448#define SIO_CR_SER_A_BASE 0x000000fe /* DMA poll addr port A */
449#define SIO_CR_SER_A_BASE_SHIFT 1
450#define SIO_CR_SER_B_BASE 0x00007f00 /* DMA poll addr port B */
451#define SIO_CR_SER_B_BASE_SHIFT 8
452#define SIO_SR_CMD_PULSE 0x00078000 /* byte bus strobe length */
453#define SIO_CR_CMD_PULSE_SHIFT 15
454#define SIO_CR_ARB_DIAG 0x00380000 /* cur !enet PCI requet (ro) */
455#define SIO_CR_ARB_DIAG_TXA 0x00000000
456#define SIO_CR_ARB_DIAG_RXA 0x00080000
457#define SIO_CR_ARB_DIAG_TXB 0x00100000
458#define SIO_CR_ARB_DIAG_RXB 0x00180000
459#define SIO_CR_ARB_DIAG_PP 0x00200000
460#define SIO_CR_ARB_DIAG_IDLE 0x00400000 /* 0 -> active request (ro) */
461
462/* bitmasks for INT_OUT */
463#define INT_OUT_COUNT 0x0000ffff /* pulse interval timer */
464#define INT_OUT_MODE 0x00070000 /* mode mask */
465#define INT_OUT_MODE_0 0x00000000 /* set output to 0 */
466#define INT_OUT_MODE_1 0x00040000 /* set output to 1 */
467#define INT_OUT_MODE_1PULSE 0x00050000 /* send 1 pulse */
468#define INT_OUT_MODE_PULSES 0x00060000 /* send 1 pulse every interval */
469#define INT_OUT_MODE_SQW 0x00070000 /* toggle output every interval */
470#define INT_OUT_DIAG 0x40000000 /* diag mode */
471#define INT_OUT_INT_OUT 0x80000000 /* current state of INT_OUT */
472
473/* time constants for INT_OUT */
474#define INT_OUT_NS_PER_TICK (30 * 260) /* 30 ns PCI clock, divisor=260 */
475#define INT_OUT_TICKS_PER_PULSE 3 /* outgoing pulse lasts 3 ticks */
476#define INT_OUT_US_TO_COUNT(x) /* convert uS to a count value */ \
477 (((x) * 10 + INT_OUT_NS_PER_TICK / 200) * \
478 100 / INT_OUT_NS_PER_TICK - 1)
479#define INT_OUT_COUNT_TO_US(x) /* convert count value to uS */ \
480 (((x) + 1) * INT_OUT_NS_PER_TICK / 1000)
481#define INT_OUT_MIN_TICKS 3 /* min period is width of pulse in "ticks" */
482#define INT_OUT_MAX_TICKS INT_OUT_COUNT /* largest possible count */
483
484/* bitmasks for GPCR */
485#define GPCR_DIR 0x000000ff /* tristate pin input or output */
486#define GPCR_DIR_PIN(x) (1<<(x)) /* access one of the DIR bits */
487#define GPCR_EDGE 0x000f0000 /* extint edge or level sensitive */
488#define GPCR_EDGE_PIN(x) (1<<((x)+15)) /* access one of the EDGE bits */
489
490/* values for GPCR */
491#define GPCR_INT_OUT_EN 0x00100000 /* enable INT_OUT to pin 0 */
492#define GPCR_MLAN_EN 0x00200000 /* enable MCR to pin 8 */
493#define GPCR_DIR_SERA_XCVR 0x00000080 /* Port A Transceiver select enable */
494#define GPCR_DIR_SERB_XCVR 0x00000040 /* Port B Transceiver select enable */
495#define GPCR_DIR_PHY_RST 0x00000020 /* ethernet PHY reset enable */
496
497/* defs for some of the generic I/O pins */
498#define GPCR_PHY_RESET 0x20 /* pin is output to PHY reset */
499#define GPCR_UARTB_MODESEL 0x40 /* pin is output to port B mode sel */
500#define GPCR_UARTA_MODESEL 0x80 /* pin is output to port A mode sel */
501
502#define GPPR_PHY_RESET_PIN 5 /* GIO pin controlling phy reset */
503#define GPPR_UARTB_MODESEL_PIN 6 /* GIO pin controlling uart b mode select */
504#define GPPR_UARTA_MODESEL_PIN 7 /* GIO pin controlling uart a mode select */
505
506#define EMCR_DUPLEX 0x00000001
507#define EMCR_PROMISC 0x00000002
508#define EMCR_PADEN 0x00000004
509#define EMCR_RXOFF_MASK 0x000001f8
510#define EMCR_RXOFF_SHIFT 3
511#define EMCR_RAMPAR 0x00000200
512#define EMCR_BADPAR 0x00000800
513#define EMCR_BUFSIZ 0x00001000
514#define EMCR_TXDMAEN 0x00002000
515#define EMCR_TXEN 0x00004000
516#define EMCR_RXDMAEN 0x00008000
517#define EMCR_RXEN 0x00010000
518#define EMCR_LOOPBACK 0x00020000
519#define EMCR_ARB_DIAG 0x001c0000
520#define EMCR_ARB_DIAG_IDLE 0x00200000
521#define EMCR_RST 0x80000000
522
523#define EISR_RXTIMERINT 0x00000001
524#define EISR_RXTHRESHINT 0x00000002
525#define EISR_RXOFLO 0x00000004
526#define EISR_RXBUFOFLO 0x00000008
527#define EISR_RXMEMERR 0x00000010
528#define EISR_RXPARERR 0x00000020
529#define EISR_TXEMPTY 0x00010000
530#define EISR_TXRTRY 0x00020000
531#define EISR_TXEXDEF 0x00040000
532#define EISR_TXLCOL 0x00080000
533#define EISR_TXGIANT 0x00100000
534#define EISR_TXBUFUFLO 0x00200000
535#define EISR_TXEXPLICIT 0x00400000
536#define EISR_TXCOLLWRAP 0x00800000
537#define EISR_TXDEFERWRAP 0x01000000
538#define EISR_TXMEMERR 0x02000000
539#define EISR_TXPARERR 0x04000000
540
541#define ERCSR_THRESH_MASK 0x000001ff /* enet RX threshold */
542#define ERCSR_RX_TMR 0x40000000 /* simulation only */
543#define ERCSR_DIAG_OFLO 0x80000000 /* simulation only */
544
545#define ERBR_ALIGNMENT 4096
546#define ERBR_L_RXRINGBASE_MASK 0xfffff000
547
548#define ERBAR_BARRIER_BIT 0x0100
549#define ERBAR_RXBARR_MASK 0xffff0000
550#define ERBAR_RXBARR_SHIFT 16
551
552#define ERCIR_RXCONSUME_MASK 0x00000fff
553
554#define ERPIR_RXPRODUCE_MASK 0x00000fff
555#define ERPIR_ARM 0x80000000
556
557#define ERTR_CNT_MASK 0x000007ff
558
559#define ETCSR_IPGT_MASK 0x0000007f
560#define ETCSR_IPGR1_MASK 0x00007f00
561#define ETCSR_IPGR1_SHIFT 8
562#define ETCSR_IPGR2_MASK 0x007f0000
563#define ETCSR_IPGR2_SHIFT 16
564#define ETCSR_NOTXCLK 0x80000000
565
566#define ETCDC_COLLCNT_MASK 0x0000ffff
567#define ETCDC_DEFERCNT_MASK 0xffff0000
568#define ETCDC_DEFERCNT_SHIFT 16
569
570#define ETBR_ALIGNMENT (64*1024)
571#define ETBR_L_RINGSZ_MASK 0x00000001
572#define ETBR_L_RINGSZ128 0
573#define ETBR_L_RINGSZ512 1
574#define ETBR_L_TXRINGBASE_MASK 0xffffc000
575
576#define ETCIR_TXCONSUME_MASK 0x0000ffff
577#define ETCIR_IDLE 0x80000000
578
579#define ETPIR_TXPRODUCE_MASK 0x0000ffff
580
581#define EBIR_TXBUFPROD_MASK 0x0000001f
582#define EBIR_TXBUFCONS_MASK 0x00001f00
583#define EBIR_TXBUFCONS_SHIFT 8
584#define EBIR_RXBUFPROD_MASK 0x007fc000
585#define EBIR_RXBUFPROD_SHIFT 14
586#define EBIR_RXBUFCONS_MASK 0xff800000
587#define EBIR_RXBUFCONS_SHIFT 23
588
589#define MICR_REGADDR_MASK 0x0000001f
590#define MICR_PHYADDR_MASK 0x000003e0
591#define MICR_PHYADDR_SHIFT 5
592#define MICR_READTRIG 0x00000400
593#define MICR_BUSY 0x00000800
594
595#define MIDR_DATA_MASK 0x0000ffff
596
597#define ERXBUF_IPCKSUM_MASK 0x0000ffff
598#define ERXBUF_BYTECNT_MASK 0x07ff0000
599#define ERXBUF_BYTECNT_SHIFT 16
600#define ERXBUF_V 0x80000000
601
602#define ERXBUF_CRCERR 0x00000001 /* aka RSV15 */
603#define ERXBUF_FRAMERR 0x00000002 /* aka RSV14 */
604#define ERXBUF_CODERR 0x00000004 /* aka RSV13 */
605#define ERXBUF_INVPREAMB 0x00000008 /* aka RSV18 */
606#define ERXBUF_LOLEN 0x00007000 /* aka RSV2_0 */
607#define ERXBUF_HILEN 0x03ff0000 /* aka RSV12_3 */
608#define ERXBUF_MULTICAST 0x04000000 /* aka RSV16 */
609#define ERXBUF_BROADCAST 0x08000000 /* aka RSV17 */
610#define ERXBUF_LONGEVENT 0x10000000 /* aka RSV19 */
611#define ERXBUF_BADPKT 0x20000000 /* aka RSV20 */
612#define ERXBUF_GOODPKT 0x40000000 /* aka RSV21 */
613#define ERXBUF_CARRIER 0x80000000 /* aka RSV22 */
614
615#define ETXD_BYTECNT_MASK 0x000007ff /* total byte count */
616#define ETXD_INTWHENDONE 0x00001000 /* intr when done */
617#define ETXD_D0V 0x00010000 /* data 0 valid */
618#define ETXD_B1V 0x00020000 /* buf 1 valid */
619#define ETXD_B2V 0x00040000 /* buf 2 valid */
620#define ETXD_DOCHECKSUM 0x00080000 /* insert ip cksum */
621#define ETXD_CHKOFF_MASK 0x07f00000 /* cksum byte offset */
622#define ETXD_CHKOFF_SHIFT 20
623
624#define ETXD_D0CNT_MASK 0x0000007f
625#define ETXD_B1CNT_MASK 0x0007ff00
626#define ETXD_B1CNT_SHIFT 8
627#define ETXD_B2CNT_MASK 0x7ff00000
628#define ETXD_B2CNT_SHIFT 20
629
630typedef enum ioc3_subdevs_e {
631 ioc3_subdev_ether,
632 ioc3_subdev_generic,
633 ioc3_subdev_nic,
634 ioc3_subdev_kbms,
635 ioc3_subdev_ttya,
636 ioc3_subdev_ttyb,
637 ioc3_subdev_ecpp,
638 ioc3_subdev_rt,
639 ioc3_nsubdevs
640} ioc3_subdev_t;
641
642/* subdevice disable bits,
643 * from the standard INFO_LBL_SUBDEVS
644 */
645#define IOC3_SDB_ETHER (1<<ioc3_subdev_ether)
646#define IOC3_SDB_GENERIC (1<<ioc3_subdev_generic)
647#define IOC3_SDB_NIC (1<<ioc3_subdev_nic)
648#define IOC3_SDB_KBMS (1<<ioc3_subdev_kbms)
649#define IOC3_SDB_TTYA (1<<ioc3_subdev_ttya)
650#define IOC3_SDB_TTYB (1<<ioc3_subdev_ttyb)
651#define IOC3_SDB_ECPP (1<<ioc3_subdev_ecpp)
652#define IOC3_SDB_RT (1<<ioc3_subdev_rt)
653
654#define IOC3_ALL_SUBDEVS ((1<<ioc3_nsubdevs)-1)
655
656#define IOC3_SDB_SERIAL (IOC3_SDB_TTYA|IOC3_SDB_TTYB)
657
658#define IOC3_STD_SUBDEVS IOC3_ALL_SUBDEVS
659
660#define IOC3_INTA_SUBDEVS IOC3_SDB_ETHER
661#define IOC3_INTB_SUBDEVS (IOC3_SDB_GENERIC|IOC3_SDB_KBMS|IOC3_SDB_SERIAL|IOC3_SDB_ECPP|IOC3_SDB_RT)
662
663#endif /* _IOC3_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-07 08:53:14 -0500