OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / net / fddi / skfp / h / skfbi.h
blobc1ba26c06d731252771dfe7f2273b724bc675068
1 /******************************************************************************
3 * (C)Copyright 1998,1999 SysKonnect,
4 * a business unit of Schneider & Koch & Co. Datensysteme GmbH.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * The information in this file is provided "AS IS" without warranty.
13 ******************************************************************************/
15 #ifndef _SKFBI_H_
16 #define _SKFBI_H_
19 * FDDI-Fx (x := {I(SA), P(CI)})
20 * address calculation & function defines
23 /*--------------------------------------------------------------------------*/
24 #ifdef PCI
27 * (DV) = only defined for Da Vinci
28 * (ML) = only defined for Monalisa
32 * Configuration Space header
34 #define PCI_VENDOR_ID 0x00 /* 16 bit Vendor ID */
35 #define PCI_DEVICE_ID 0x02 /* 16 bit Device ID */
36 #define PCI_COMMAND 0x04 /* 16 bit Command */
37 #define PCI_STATUS 0x06 /* 16 bit Status */
38 #define PCI_REV_ID 0x08 /* 8 bit Revision ID */
39 #define PCI_CLASS_CODE 0x09 /* 24 bit Class Code */
40 #define PCI_CACHE_LSZ 0x0c /* 8 bit Cache Line Size */
41 #define PCI_LAT_TIM 0x0d /* 8 bit Latency Timer */
42 #define PCI_HEADER_T 0x0e /* 8 bit Header Type */
43 #define PCI_BIST 0x0f /* 8 bit Built-in selftest */
44 #define PCI_BASE_1ST 0x10 /* 32 bit 1st Base address */
45 #define PCI_BASE_2ND 0x14 /* 32 bit 2nd Base address */
46 /* Byte 18..2b: Reserved */
47 #define PCI_SUB_VID 0x2c /* 16 bit Subsystem Vendor ID */
48 #define PCI_SUB_ID 0x2e /* 16 bit Subsystem ID */
49 #define PCI_BASE_ROM 0x30 /* 32 bit Expansion ROM Base Address */
50 /* Byte 34..33: Reserved */
51 #define PCI_CAP_PTR 0x34 /* 8 bit (ML) Capabilities Ptr */
52 /* Byte 35..3b: Reserved */
53 #define PCI_IRQ_LINE 0x3c /* 8 bit Interrupt Line */
54 #define PCI_IRQ_PIN 0x3d /* 8 bit Interrupt Pin */
55 #define PCI_MIN_GNT 0x3e /* 8 bit Min_Gnt */
56 #define PCI_MAX_LAT 0x3f /* 8 bit Max_Lat */
57 /* Device Dependent Region */
58 #define PCI_OUR_REG 0x40 /* 32 bit (DV) Our Register */
59 #define PCI_OUR_REG_1 0x40 /* 32 bit (ML) Our Register 1 */
60 #define PCI_OUR_REG_2 0x44 /* 32 bit (ML) Our Register 2 */
61 /* Power Management Region */
62 #define PCI_PM_CAP_ID 0x48 /* 8 bit (ML) Power Management Cap. ID */
63 #define PCI_PM_NITEM 0x49 /* 8 bit (ML) Next Item Ptr */
64 #define PCI_PM_CAP_REG 0x4a /* 16 bit (ML) Power Management Capabilities */
65 #define PCI_PM_CTL_STS 0x4c /* 16 bit (ML) Power Manag. Control/Status */
66 /* Byte 0x4e: Reserved */
67 #define PCI_PM_DAT_REG 0x4f /* 8 bit (ML) Power Manag. Data Register */
68 /* VPD Region */
69 #define PCI_VPD_CAP_ID 0x50 /* 8 bit (ML) VPD Cap. ID */
70 #define PCI_VPD_NITEM 0x51 /* 8 bit (ML) Next Item Ptr */
71 #define PCI_VPD_ADR_REG 0x52 /* 16 bit (ML) VPD Address Register */
72 #define PCI_VPD_DAT_REG 0x54 /* 32 bit (ML) VPD Data Register */
73 /* Byte 58..ff: Reserved */
76 * I2C Address (PCI Config)
78 * Note: The temperature and voltage sensors are relocated on a different
79 * I2C bus.
81 #define I2C_ADDR_VPD 0xA0 /* I2C address for the VPD EEPROM */
84 * Define Bits and Values of the registers
86 /* PCI_VENDOR_ID 16 bit Vendor ID */
87 /* PCI_DEVICE_ID 16 bit Device ID */
88 /* Values for Vendor ID and Device ID shall be patched into the code */
89 /* PCI_COMMAND 16 bit Command */
90 #define PCI_FBTEN 0x0200 /* Bit 9: Fast Back-To-Back enable */
91 #define PCI_SERREN 0x0100 /* Bit 8: SERR enable */
92 #define PCI_ADSTEP 0x0080 /* Bit 7: Address Stepping */
93 #define PCI_PERREN 0x0040 /* Bit 6: Parity Report Response enable */
94 #define PCI_VGA_SNOOP 0x0020 /* Bit 5: VGA palette snoop */
95 #define PCI_MWIEN 0x0010 /* Bit 4: Memory write an inv cycl ena */
96 #define PCI_SCYCEN 0x0008 /* Bit 3: Special Cycle enable */
97 #define PCI_BMEN 0x0004 /* Bit 2: Bus Master enable */
98 #define PCI_MEMEN 0x0002 /* Bit 1: Memory Space Access enable */
99 #define PCI_IOEN 0x0001 /* Bit 0: IO Space Access enable */
101 /* PCI_STATUS 16 bit Status */
102 #define PCI_PERR 0x8000 /* Bit 15: Parity Error */
103 #define PCI_SERR 0x4000 /* Bit 14: Signaled SERR */
104 #define PCI_RMABORT 0x2000 /* Bit 13: Received Master Abort */
105 #define PCI_RTABORT 0x1000 /* Bit 12: Received Target Abort */
106 #define PCI_STABORT 0x0800 /* Bit 11: Sent Target Abort */
107 #define PCI_DEVSEL 0x0600 /* Bit 10..9: DEVSEL Timing */
108 #define PCI_DEV_FAST (0<<9) /* fast */
109 #define PCI_DEV_MEDIUM (1<<9) /* medium */
110 #define PCI_DEV_SLOW (2<<9) /* slow */
111 #define PCI_DATAPERR 0x0100 /* Bit 8: DATA Parity error detected */
112 #define PCI_FB2BCAP 0x0080 /* Bit 7: Fast Back-to-Back Capability */
113 #define PCI_UDF 0x0040 /* Bit 6: User Defined Features */
114 #define PCI_66MHZCAP 0x0020 /* Bit 5: 66 MHz PCI bus clock capable */
115 #define PCI_NEWCAP 0x0010 /* Bit 4: New cap. list implemented */
117 #define PCI_ERRBITS (PCI_PERR|PCI_SERR|PCI_RMABORT|PCI_STABORT|PCI_DATAPERR)
119 /* PCI_REV_ID 8 bit Revision ID */
120 /* PCI_CLASS_CODE 24 bit Class Code */
121 /* Byte 2: Base Class (02) */
122 /* Byte 1: SubClass (02) */
123 /* Byte 0: Programming Interface (00) */
125 /* PCI_CACHE_LSZ 8 bit Cache Line Size */
126 /* Possible values: 0,2,4,8,16 */
128 /* PCI_LAT_TIM 8 bit Latency Timer */
130 /* PCI_HEADER_T 8 bit Header Type */
131 #define PCI_HD_MF_DEV 0x80 /* Bit 7: 0= single, 1= multi-func dev */
132 #define PCI_HD_TYPE 0x7f /* Bit 6..0: Header Layout 0= normal */
134 /* PCI_BIST 8 bit Built-in selftest */
135 #define PCI_BIST_CAP 0x80 /* Bit 7: BIST Capable */
136 #define PCI_BIST_ST 0x40 /* Bit 6: Start BIST */
137 #define PCI_BIST_RET 0x0f /* Bit 3..0: Completion Code */
139 /* PCI_BASE_1ST 32 bit 1st Base address */
140 #define PCI_MEMSIZE 0x800L /* use 2 kB Memory Base */
141 #define PCI_MEMBASE_BITS 0xfffff800L /* Bit 31..11: Memory Base Address */
142 #define PCI_MEMSIZE_BIIS 0x000007f0L /* Bit 10..4: Memory Size Req. */
143 #define PCI_PREFEN 0x00000008L /* Bit 3: Prefetchable */
144 #define PCI_MEM_TYP 0x00000006L /* Bit 2..1: Memory Type */
145 #define PCI_MEM32BIT (0<<1) /* Base addr anywhere in 32 Bit range */
146 #define PCI_MEM1M (1<<1) /* Base addr below 1 MegaByte */
147 #define PCI_MEM64BIT (2<<1) /* Base addr anywhere in 64 Bit range */
148 #define PCI_MEMSPACE 0x00000001L /* Bit 0: Memory Space Indic. */
150 /* PCI_BASE_2ND 32 bit 2nd Base address */
151 #define PCI_IOBASE 0xffffff00L /* Bit 31..8: I/O Base address */
152 #define PCI_IOSIZE 0x000000fcL /* Bit 7..2: I/O Size Requirements */
153 #define PCI_IOSPACE 0x00000001L /* Bit 0: I/O Space Indicator */
155 /* PCI_SUB_VID 16 bit Subsystem Vendor ID */
156 /* PCI_SUB_ID 16 bit Subsystem ID */
158 /* PCI_BASE_ROM 32 bit Expansion ROM Base Address */
159 #define PCI_ROMBASE 0xfffe0000L /* Bit 31..17: ROM BASE address (1st) */
160 #define PCI_ROMBASZ 0x0001c000L /* Bit 16..14: Treat as BASE or SIZE */
161 #define PCI_ROMSIZE 0x00003800L /* Bit 13..11: ROM Size Requirements */
162 #define PCI_ROMEN 0x00000001L /* Bit 0: Address Decode enable */
164 /* PCI_CAP_PTR 8 bit New Capabilities Pointers */
165 /* PCI_IRQ_LINE 8 bit Interrupt Line */
166 /* PCI_IRQ_PIN 8 bit Interrupt Pin */
167 /* PCI_MIN_GNT 8 bit Min_Gnt */
168 /* PCI_MAX_LAT 8 bit Max_Lat */
169 /* Device Dependent Region */
170 /* PCI_OUR_REG (DV) 32 bit Our Register */
171 /* PCI_OUR_REG_1 (ML) 32 bit Our Register 1 */
172 /* Bit 31..29: reserved */
173 #define PCI_PATCH_DIR (3L<<27) /*(DV) Bit 28..27: Ext Patchs direction */
174 #define PCI_PATCH_DIR_0 (1L<<27) /*(DV) Type of the pins EXT_PATCHS<1..0> */
175 #define PCI_PATCH_DIR_1 (1L<<28) /* 0 = input */
176 /* 1 = output */
177 #define PCI_EXT_PATCHS (3L<<25) /*(DV) Bit 26..25: Extended Patches */
178 #define PCI_EXT_PATCH_0 (1L<<25) /*(DV) */
179 #define PCI_EXT_PATCH_1 (1L<<26) /* CLK for MicroWire (ML) */
180 #define PCI_VIO (1L<<25) /*(ML) */
181 #define PCI_EN_BOOT (1L<<24) /* Bit 24: Enable BOOT via ROM */
182 /* 1 = Don't boot with ROM */
183 /* 0 = Boot with ROM */
184 #define PCI_EN_IO (1L<<23) /* Bit 23: Mapping to IO space */
185 #define PCI_EN_FPROM (1L<<22) /* Bit 22: FLASH mapped to mem? */
186 /* 1 = Map Flash to Memory */
187 /* 0 = Disable all addr. decoding */
188 #define PCI_PAGESIZE (3L<<20) /* Bit 21..20: FLASH Page Size */
189 #define PCI_PAGE_16 (0L<<20) /* 16 k pages */
190 #define PCI_PAGE_32K (1L<<20) /* 32 k pages */
191 #define PCI_PAGE_64K (2L<<20) /* 64 k pages */
192 #define PCI_PAGE_128K (3L<<20) /* 128 k pages */
193 /* Bit 19: reserved (ML) and (DV) */
194 #define PCI_PAGEREG (7L<<16) /* Bit 18..16: Page Register */
195 /* Bit 15: reserved */
196 #define PCI_FORCE_BE (1L<<14) /* Bit 14: Assert all BEs on MR */
197 #define PCI_DIS_MRL (1L<<13) /* Bit 13: Disable Mem R Line */
198 #define PCI_DIS_MRM (1L<<12) /* Bit 12: Disable Mem R multip */
199 #define PCI_DIS_MWI (1L<<11) /* Bit 11: Disable Mem W & inv */
200 #define PCI_DISC_CLS (1L<<10) /* Bit 10: Disc: cacheLsz bound */
201 #define PCI_BURST_DIS (1L<<9) /* Bit 9: Burst Disable */
202 #define PCI_BYTE_SWAP (1L<<8) /*(DV) Bit 8: Byte Swap in DATA */
203 #define PCI_SKEW_DAS (0xfL<<4) /* Bit 7..4: Skew Ctrl, DAS Ext */
204 #define PCI_SKEW_BASE (0xfL<<0) /* Bit 3..0: Skew Ctrl, Base */
206 /* PCI_OUR_REG_2 (ML) 32 bit Our Register 2 (Monalisa only) */
207 #define PCI_VPD_WR_TH (0xffL<<24) /* Bit 24..31 VPD Write Threshold */
208 #define PCI_DEV_SEL (0x7fL<<17) /* Bit 17..23 EEPROM Device Select */
209 #define PCI_VPD_ROM_SZ (7L<<14) /* Bit 14..16 VPD ROM Size */
210 /* Bit 12..13 reserved */
211 #define PCI_PATCH_DIR2 (0xfL<<8) /* Bit 8..11 Ext Patchs dir 2..5 */
212 #define PCI_PATCH_DIR_2 (1L<<8) /* Bit 8 CS for MicroWire */
213 #define PCI_PATCH_DIR_3 (1L<<9)
214 #define PCI_PATCH_DIR_4 (1L<<10)
215 #define PCI_PATCH_DIR_5 (1L<<11)
216 #define PCI_EXT_PATCHS2 (0xfL<<4) /* Bit 4..7 Extended Patches */
217 #define PCI_EXT_PATCH_2 (1L<<4) /* Bit 4 CS for MicroWire */
218 #define PCI_EXT_PATCH_3 (1L<<5)
219 #define PCI_EXT_PATCH_4 (1L<<6)
220 #define PCI_EXT_PATCH_5 (1L<<7)
221 #define PCI_EN_DUMMY_RD (1L<<3) /* Bit 3 Enable Dummy Read */
222 #define PCI_REV_DESC (1L<<2) /* Bit 2 Reverse Desc. Bytes */
223 #define PCI_USEADDR64 (1L<<1) /* Bit 1 Use 64 Bit Addresse */
224 #define PCI_USEDATA64 (1L<<0) /* Bit 0 Use 64 Bit Data bus ext*/
226 /* Power Management Region */
227 /* PCI_PM_CAP_ID 8 bit (ML) Power Management Cap. ID */
228 /* PCI_PM_NITEM 8 bit (ML) Next Item Ptr */
229 /* PCI_PM_CAP_REG 16 bit (ML) Power Management Capabilities*/
230 #define PCI_PME_SUP (0x1f<<11) /* Bit 11..15 PM Manag. Event Support*/
231 #define PCI_PM_D2_SUB (1<<10) /* Bit 10 D2 Support Bit */
232 #define PCI_PM_D1_SUB (1<<9) /* Bit 9 D1 Support Bit */
233 /* Bit 6..8 reserved */
234 #define PCI_PM_DSI (1<<5) /* Bit 5 Device Specific Init.*/
235 #define PCI_PM_APS (1<<4) /* Bit 4 Auxialiary Power Src */
236 #define PCI_PME_CLOCK (1<<3) /* Bit 3 PM Event Clock */
237 #define PCI_PM_VER (7<<0) /* Bit 0..2 PM PCI Spec. version */
239 /* PCI_PM_CTL_STS 16 bit (ML) Power Manag. Control/Status */
240 #define PCI_PME_STATUS (1<<15) /* Bit 15 PFA doesn't sup. PME#*/
241 #define PCI_PM_DAT_SCL (3<<13) /* Bit 13..14 dat reg Scaling factor */
242 #define PCI_PM_DAT_SEL (0xf<<9) /* Bit 9..12 PM data selector field */
243 /* Bit 7.. 2 reserved */
244 #define PCI_PM_STATE (3<<0) /* Bit 0.. 1 Power Management State */
245 #define PCI_PM_STATE_D0 (0<<0) /* D0: Operational (default) */
246 #define PCI_PM_STATE_D1 (1<<0) /* D1: not supported */
247 #define PCI_PM_STATE_D2 (2<<0) /* D2: not supported */
248 #define PCI_PM_STATE_D3 (3<<0) /* D3: HOT, Power Down and Reset */
250 /* PCI_PM_DAT_REG 8 bit (ML) Power Manag. Data Register */
251 /* VPD Region */
252 /* PCI_VPD_CAP_ID 8 bit (ML) VPD Cap. ID */
253 /* PCI_VPD_NITEM 8 bit (ML) Next Item Ptr */
254 /* PCI_VPD_ADR_REG 16 bit (ML) VPD Address Register */
255 #define PCI_VPD_FLAG (1<<15) /* Bit 15 starts VPD rd/wd cycle*/
257 /* PCI_VPD_DAT_REG 32 bit (ML) VPD Data Register */
260 * Control Register File:
261 * Bank 0
263 #define B0_RAP 0x0000 /* 8 bit register address port */
264 /* 0x0001 - 0x0003: reserved */
265 #define B0_CTRL 0x0004 /* 8 bit control register */
266 #define B0_DAS 0x0005 /* 8 Bit control register (DAS) */
267 #define B0_LED 0x0006 /* 8 Bit LED register */
268 #define B0_TST_CTRL 0x0007 /* 8 bit test control register */
269 #define B0_ISRC 0x0008 /* 32 bit Interrupt source register */
270 #define B0_IMSK 0x000c /* 32 bit Interrupt mask register */
272 /* 0x0010 - 0x006b: formac+ (supernet_3) fequently used registers */
273 #define B0_CMDREG1 0x0010 /* write command reg 1 instruction */
274 #define B0_CMDREG2 0x0014 /* write command reg 2 instruction */
275 #define B0_ST1U 0x0010 /* read upper 16-bit of status reg 1 */
276 #define B0_ST1L 0x0014 /* read lower 16-bit of status reg 1 */
277 #define B0_ST2U 0x0018 /* read upper 16-bit of status reg 2 */
278 #define B0_ST2L 0x001c /* read lower 16-bit of status reg 2 */
280 #define B0_MARR 0x0020 /* r/w the memory read addr register */
281 #define B0_MARW 0x0024 /* r/w the memory write addr register*/
282 #define B0_MDRU 0x0028 /* r/w upper 16-bit of mem. data reg */
283 #define B0_MDRL 0x002c /* r/w lower 16-bit of mem. data reg */
285 #define B0_MDREG3 0x0030 /* r/w Mode Register 3 */
286 #define B0_ST3U 0x0034 /* read upper 16-bit of status reg 3 */
287 #define B0_ST3L 0x0038 /* read lower 16-bit of status reg 3 */
288 #define B0_IMSK3U 0x003c /* r/w upper 16-bit of IMSK reg 3 */
289 #define B0_IMSK3L 0x0040 /* r/w lower 16-bit of IMSK reg 3 */
290 #define B0_IVR 0x0044 /* read Interrupt Vector register */
291 #define B0_IMR 0x0048 /* r/w Interrupt mask register */
292 /* 0x4c Hidden */
294 #define B0_CNTRL_A 0x0050 /* control register A (r/w) */
295 #define B0_CNTRL_B 0x0054 /* control register B (r/w) */
296 #define B0_INTR_MASK 0x0058 /* interrupt mask (r/w) */
297 #define B0_XMIT_VECTOR 0x005c /* transmit vector register (r/w) */
299 #define B0_STATUS_A 0x0060 /* status register A (read only) */
300 #define B0_STATUS_B 0x0064 /* status register B (read only) */
301 #define B0_CNTRL_C 0x0068 /* control register C (r/w) */
302 #define B0_MDREG1 0x006c /* r/w Mode Register 1 */
304 #define B0_R1_CSR 0x0070 /* 32 bit BMU control/status reg (rec q 1) */
305 #define B0_R2_CSR 0x0074 /* 32 bit BMU control/status reg (rec q 2)(DV)*/
306 #define B0_XA_CSR 0x0078 /* 32 bit BMU control/status reg (a xmit q) */
307 #define B0_XS_CSR 0x007c /* 32 bit BMU control/status reg (s xmit q) */
310 * Bank 1
311 * - completely empty (this is the RAP Block window)
312 * Note: if RAP = 1 this page is reserved
316 * Bank 2
318 #define B2_MAC_0 0x0100 /* 8 bit MAC address Byte 0 */
319 #define B2_MAC_1 0x0101 /* 8 bit MAC address Byte 1 */
320 #define B2_MAC_2 0x0102 /* 8 bit MAC address Byte 2 */
321 #define B2_MAC_3 0x0103 /* 8 bit MAC address Byte 3 */
322 #define B2_MAC_4 0x0104 /* 8 bit MAC address Byte 4 */
323 #define B2_MAC_5 0x0105 /* 8 bit MAC address Byte 5 */
324 #define B2_MAC_6 0x0106 /* 8 bit MAC address Byte 6 (== 0) (DV) */
325 #define B2_MAC_7 0x0107 /* 8 bit MAC address Byte 7 (== 0) (DV) */
327 #define B2_CONN_TYP 0x0108 /* 8 bit Connector type */
328 #define B2_PMD_TYP 0x0109 /* 8 bit PMD type */
329 /* 0x010a - 0x010b: reserved */
330 /* Eprom registers are currently of no use */
331 #define B2_E_0 0x010c /* 8 bit EPROM Byte 0 */
332 #define B2_E_1 0x010d /* 8 bit EPROM Byte 1 */
333 #define B2_E_2 0x010e /* 8 bit EPROM Byte 2 */
334 #define B2_E_3 0x010f /* 8 bit EPROM Byte 3 */
335 #define B2_FAR 0x0110 /* 32 bit Flash-Prom Address Register/Counter */
336 #define B2_FDP 0x0114 /* 8 bit Flash-Prom Data Port */
337 /* 0x0115 - 0x0117: reserved */
338 #define B2_LD_CRTL 0x0118 /* 8 bit loader control */
339 #define B2_LD_TEST 0x0119 /* 8 bit loader test */
340 /* 0x011a - 0x011f: reserved */
341 #define B2_TI_INI 0x0120 /* 32 bit Timer init value */
342 #define B2_TI_VAL 0x0124 /* 32 bit Timer value */
343 #define B2_TI_CRTL 0x0128 /* 8 bit Timer control */
344 #define B2_TI_TEST 0x0129 /* 8 Bit Timer Test */
345 /* 0x012a - 0x012f: reserved */
346 #define B2_WDOG_INI 0x0130 /* 32 bit Watchdog init value */
347 #define B2_WDOG_VAL 0x0134 /* 32 bit Watchdog value */
348 #define B2_WDOG_CRTL 0x0138 /* 8 bit Watchdog control */
349 #define B2_WDOG_TEST 0x0139 /* 8 Bit Watchdog Test */
350 /* 0x013a - 0x013f: reserved */
351 #define B2_RTM_INI 0x0140 /* 32 bit RTM init value */
352 #define B2_RTM_VAL 0x0144 /* 32 bit RTM value */
353 #define B2_RTM_CRTL 0x0148 /* 8 bit RTM control */
354 #define B2_RTM_TEST 0x0149 /* 8 Bit RTM Test */
356 #define B2_TOK_COUNT 0x014c /* (ML) 32 bit Token Counter */
357 #define B2_DESC_ADDR_H 0x0150 /* (ML) 32 bit Desciptor Base Addr Reg High */
358 #define B2_CTRL_2 0x0154 /* (ML) 8 bit Control Register 2 */
359 #define B2_IFACE_REG 0x0155 /* (ML) 8 bit Interface Register */
360 /* 0x0156: reserved */
361 #define B2_TST_CTRL_2 0x0157 /* (ML) 8 bit Test Control Register 2 */
362 #define B2_I2C_CTRL 0x0158 /* (ML) 32 bit I2C Control Register */
363 #define B2_I2C_DATA 0x015c /* (ML) 32 bit I2C Data Register */
365 #define B2_IRQ_MOD_INI 0x0160 /* (ML) 32 bit IRQ Moderation Timer Init Reg. */
366 #define B2_IRQ_MOD_VAL 0x0164 /* (ML) 32 bit IRQ Moderation Timer Value */
367 #define B2_IRQ_MOD_CTRL 0x0168 /* (ML) 8 bit IRQ Moderation Timer Control */
368 #define B2_IRQ_MOD_TEST 0x0169 /* (ML) 8 bit IRQ Moderation Timer Test */
369 /* 0x016a - 0x017f: reserved */
372 * Bank 3
375 * This is a copy of the Configuration register file (lower half)
377 #define B3_CFG_SPC 0x180
380 * Bank 4
382 #define B4_R1_D 0x0200 /* 4*32 bit current receive Descriptor */
383 #define B4_R1_DA 0x0210 /* 32 bit current rec desc address */
384 #define B4_R1_AC 0x0214 /* 32 bit current receive Address Count */
385 #define B4_R1_BC 0x0218 /* 32 bit current receive Byte Counter */
386 #define B4_R1_CSR 0x021c /* 32 bit BMU Control/Status Register */
387 #define B4_R1_F 0x0220 /* 32 bit flag register */
388 #define B4_R1_T1 0x0224 /* 32 bit Test Register 1 */
389 #define B4_R1_T1_TR 0x0224 /* 8 bit Test Register 1 TR */
390 #define B4_R1_T1_WR 0x0225 /* 8 bit Test Register 1 WR */
391 #define B4_R1_T1_RD 0x0226 /* 8 bit Test Register 1 RD */
392 #define B4_R1_T1_SV 0x0227 /* 8 bit Test Register 1 SV */
393 #define B4_R1_T2 0x0228 /* 32 bit Test Register 2 */
394 #define B4_R1_T3 0x022c /* 32 bit Test Register 3 */
395 #define B4_R1_DA_H 0x0230 /* (ML) 32 bit Curr Rx Desc Address High */
396 #define B4_R1_AC_H 0x0234 /* (ML) 32 bit Curr Addr Counter High dword */
397 /* 0x0238 - 0x023f: reserved */
398 /* Receive queue 2 is removed on Monalisa */
399 #define B4_R2_D 0x0240 /* 4*32 bit current receive Descriptor (q2) */
400 #define B4_R2_DA 0x0250 /* 32 bit current rec desc address (q2) */
401 #define B4_R2_AC 0x0254 /* 32 bit current receive Address Count (q2) */
402 #define B4_R2_BC 0x0258 /* 32 bit current receive Byte Counter (q2) */
403 #define B4_R2_CSR 0x025c /* 32 bit BMU Control/Status Register (q2) */
404 #define B4_R2_F 0x0260 /* 32 bit flag register (q2) */
405 #define B4_R2_T1 0x0264 /* 32 bit Test Register 1 (q2) */
406 #define B4_R2_T1_TR 0x0264 /* 8 bit Test Register 1 TR (q2) */
407 #define B4_R2_T1_WR 0x0265 /* 8 bit Test Register 1 WR (q2) */
408 #define B4_R2_T1_RD 0x0266 /* 8 bit Test Register 1 RD (q2) */
409 #define B4_R2_T1_SV 0x0267 /* 8 bit Test Register 1 SV (q2) */
410 #define B4_R2_T2 0x0268 /* 32 bit Test Register 2 (q2) */
411 #define B4_R2_T3 0x026c /* 32 bit Test Register 3 (q2) */
412 /* 0x0270 - 0x027c: reserved */
415 * Bank 5
417 #define B5_XA_D 0x0280 /* 4*32 bit current transmit Descriptor (xa) */
418 #define B5_XA_DA 0x0290 /* 32 bit current tx desc address (xa) */
419 #define B5_XA_AC 0x0294 /* 32 bit current tx Address Count (xa) */
420 #define B5_XA_BC 0x0298 /* 32 bit current tx Byte Counter (xa) */
421 #define B5_XA_CSR 0x029c /* 32 bit BMU Control/Status Register (xa) */
422 #define B5_XA_F 0x02a0 /* 32 bit flag register (xa) */
423 #define B5_XA_T1 0x02a4 /* 32 bit Test Register 1 (xa) */
424 #define B5_XA_T1_TR 0x02a4 /* 8 bit Test Register 1 TR (xa) */
425 #define B5_XA_T1_WR 0x02a5 /* 8 bit Test Register 1 WR (xa) */
426 #define B5_XA_T1_RD 0x02a6 /* 8 bit Test Register 1 RD (xa) */
427 #define B5_XA_T1_SV 0x02a7 /* 8 bit Test Register 1 SV (xa) */
428 #define B5_XA_T2 0x02a8 /* 32 bit Test Register 2 (xa) */
429 #define B5_XA_T3 0x02ac /* 32 bit Test Register 3 (xa) */
430 #define B5_XA_DA_H 0x02b0 /* (ML) 32 bit Curr Tx Desc Address High */
431 #define B5_XA_AC_H 0x02b4 /* (ML) 32 bit Curr Addr Counter High dword */
432 /* 0x02b8 - 0x02bc: reserved */
433 #define B5_XS_D 0x02c0 /* 4*32 bit current transmit Descriptor (xs) */
434 #define B5_XS_DA 0x02d0 /* 32 bit current tx desc address (xs) */
435 #define B5_XS_AC 0x02d4 /* 32 bit current transmit Address Count(xs) */
436 #define B5_XS_BC 0x02d8 /* 32 bit current transmit Byte Counter (xs) */
437 #define B5_XS_CSR 0x02dc /* 32 bit BMU Control/Status Register (xs) */
438 #define B5_XS_F 0x02e0 /* 32 bit flag register (xs) */
439 #define B5_XS_T1 0x02e4 /* 32 bit Test Register 1 (xs) */
440 #define B5_XS_T1_TR 0x02e4 /* 8 bit Test Register 1 TR (xs) */
441 #define B5_XS_T1_WR 0x02e5 /* 8 bit Test Register 1 WR (xs) */
442 #define B5_XS_T1_RD 0x02e6 /* 8 bit Test Register 1 RD (xs) */
443 #define B5_XS_T1_SV 0x02e7 /* 8 bit Test Register 1 SV (xs) */
444 #define B5_XS_T2 0x02e8 /* 32 bit Test Register 2 (xs) */
445 #define B5_XS_T3 0x02ec /* 32 bit Test Register 3 (xs) */
446 #define B5_XS_DA_H 0x02f0 /* (ML) 32 bit Curr Tx Desc Address High */
447 #define B5_XS_AC_H 0x02f4 /* (ML) 32 bit Curr Addr Counter High dword */
448 /* 0x02f8 - 0x02fc: reserved */
451 * Bank 6
453 /* External PLC-S registers (SN2 compatibility for DV) */
454 /* External registers (ML) */
455 #define B6_EXT_REG 0x300
458 * Bank 7
460 /* DAS PLC-S Registers */
463 * Bank 8 - 15
465 /* IFCP registers */
467 /*---------------------------------------------------------------------------*/
468 /* Definitions of the Bits in the registers */
470 /* B0_RAP 16 bit register address port */
471 #define RAP_RAP 0x0f /* Bit 3..0: 0 = block0, .., f = block15 */
473 /* B0_CTRL 8 bit control register */
474 #define CTRL_FDDI_CLR (1<<7) /* Bit 7: (ML) Clear FDDI Reset */
475 #define CTRL_FDDI_SET (1<<6) /* Bit 6: (ML) Set FDDI Reset */
476 #define CTRL_HPI_CLR (1<<5) /* Bit 5: Clear HPI SM reset */
477 #define CTRL_HPI_SET (1<<4) /* Bit 4: Set HPI SM reset */
478 #define CTRL_MRST_CLR (1<<3) /* Bit 3: Clear Master reset */
479 #define CTRL_MRST_SET (1<<2) /* Bit 2: Set Master reset */
480 #define CTRL_RST_CLR (1<<1) /* Bit 1: Clear Software reset */
481 #define CTRL_RST_SET (1<<0) /* Bit 0: Set Software reset */
483 /* B0_DAS 8 Bit control register (DAS) */
484 #define BUS_CLOCK (1<<7) /* Bit 7: (ML) Bus Clock 0/1 = 33/66MHz */
485 #define BUS_SLOT_SZ (1<<6) /* Bit 6: (ML) Slot Size 0/1 = 32/64 bit slot*/
486 /* Bit 5..4: reserved */
487 #define DAS_AVAIL (1<<3) /* Bit 3: 1 = DAS, 0 = SAS */
488 #define DAS_BYP_ST (1<<2) /* Bit 2: 1 = avail,SAS, 0 = not avail */
489 #define DAS_BYP_INS (1<<1) /* Bit 1: 1 = insert Bypass */
490 #define DAS_BYP_RMV (1<<0) /* Bit 0: 1 = remove Bypass */
492 /* B0_LED 8 Bit LED register */
493 /* Bit 7..6: reserved */
494 #define LED_2_ON (1<<5) /* Bit 5: 1 = switch LED_2 on (left,gn)*/
495 #define LED_2_OFF (1<<4) /* Bit 4: 1 = switch LED_2 off */
496 #define LED_1_ON (1<<3) /* Bit 3: 1 = switch LED_1 on (mid,yel)*/
497 #define LED_1_OFF (1<<2) /* Bit 2: 1 = switch LED_1 off */
498 #define LED_0_ON (1<<1) /* Bit 1: 1 = switch LED_0 on (rght,gn)*/
499 #define LED_0_OFF (1<<0) /* Bit 0: 1 = switch LED_0 off */
500 /* This hardware defines are very ugly therefore we define some others */
502 #define LED_GA_ON LED_2_ON /* S port = A port */
503 #define LED_GA_OFF LED_2_OFF /* S port = A port */
504 #define LED_MY_ON LED_1_ON
505 #define LED_MY_OFF LED_1_OFF
506 #define LED_GB_ON LED_0_ON
507 #define LED_GB_OFF LED_0_OFF
509 /* B0_TST_CTRL 8 bit test control register */
510 #define TST_FRC_DPERR_MR (1<<7) /* Bit 7: force DATAPERR on MST RE. */
511 #define TST_FRC_DPERR_MW (1<<6) /* Bit 6: force DATAPERR on MST WR. */
512 #define TST_FRC_DPERR_TR (1<<5) /* Bit 5: force DATAPERR on TRG RE. */
513 #define TST_FRC_DPERR_TW (1<<4) /* Bit 4: force DATAPERR on TRG WR. */
514 #define TST_FRC_APERR_M (1<<3) /* Bit 3: force ADDRPERR on MST */
515 #define TST_FRC_APERR_T (1<<2) /* Bit 2: force ADDRPERR on TRG */
516 #define TST_CFG_WRITE_ON (1<<1) /* Bit 1: ena configuration reg. WR */
517 #define TST_CFG_WRITE_OFF (1<<0) /* Bit 0: dis configuration reg. WR */
519 /* B0_ISRC 32 bit Interrupt source register */
520 /* Bit 31..28: reserved */
521 #define IS_I2C_READY (1L<<27) /* Bit 27: (ML) IRQ on end of I2C tx */
522 #define IS_IRQ_SW (1L<<26) /* Bit 26: (ML) SW forced IRQ */
523 #define IS_EXT_REG (1L<<25) /* Bit 25: (ML) IRQ from external reg*/
524 #define IS_IRQ_STAT (1L<<24) /* Bit 24: IRQ status exception */
525 /* PERR, RMABORT, RTABORT DATAPERR */
526 #define IS_IRQ_MST_ERR (1L<<23) /* Bit 23: IRQ master error */
527 /* RMABORT, RTABORT, DATAPERR */
528 #define IS_TIMINT (1L<<22) /* Bit 22: IRQ_TIMER */
529 #define IS_TOKEN (1L<<21) /* Bit 21: IRQ_RTM */
531 * Note: The DAS is our First Port (!=PA)
533 #define IS_PLINT1 (1L<<20) /* Bit 20: IRQ_PHY_DAS */
534 #define IS_PLINT2 (1L<<19) /* Bit 19: IRQ_IFCP_4 */
535 #define IS_MINTR3 (1L<<18) /* Bit 18: IRQ_IFCP_3/IRQ_PHY */
536 #define IS_MINTR2 (1L<<17) /* Bit 17: IRQ_IFCP_2/IRQ_MAC_2 */
537 #define IS_MINTR1 (1L<<16) /* Bit 16: IRQ_IFCP_1/IRQ_MAC_1 */
538 /* Receive Queue 1 */
539 #define IS_R1_P (1L<<15) /* Bit 15: Parity Error (q1) */
540 #define IS_R1_B (1L<<14) /* Bit 14: End of Buffer (q1) */
541 #define IS_R1_F (1L<<13) /* Bit 13: End of Frame (q1) */
542 #define IS_R1_C (1L<<12) /* Bit 12: Encoding Error (q1) */
543 /* Receive Queue 2 */
544 #define IS_R2_P (1L<<11) /* Bit 11: (DV) Parity Error (q2) */
545 #define IS_R2_B (1L<<10) /* Bit 10: (DV) End of Buffer (q2) */
546 #define IS_R2_F (1L<<9) /* Bit 9: (DV) End of Frame (q2) */
547 #define IS_R2_C (1L<<8) /* Bit 8: (DV) Encoding Error (q2) */
548 /* Asynchronous Transmit queue */
549 /* Bit 7: reserved */
550 #define IS_XA_B (1L<<6) /* Bit 6: End of Buffer (xa) */
551 #define IS_XA_F (1L<<5) /* Bit 5: End of Frame (xa) */
552 #define IS_XA_C (1L<<4) /* Bit 4: Encoding Error (xa) */
553 /* Synchronous Transmit queue */
554 /* Bit 3: reserved */
555 #define IS_XS_B (1L<<2) /* Bit 2: End of Buffer (xs) */
556 #define IS_XS_F (1L<<1) /* Bit 1: End of Frame (xs) */
557 #define IS_XS_C (1L<<0) /* Bit 0: Encoding Error (xs) */
560 * Define all valid interrupt source Bits from GET_ISR ()
562 #define ALL_IRSR 0x01ffff77L /* (DV) */
563 #define ALL_IRSR_ML 0x0ffff077L /* (ML) */
566 /* B0_IMSK 32 bit Interrupt mask register */
568 * The Bit definnition of this register are the same as of the interrupt
569 * source register. These definition are directly derived from the Hardware
570 * spec.
572 /* Bit 31..28: reserved */
573 #define IRQ_I2C_READY (1L<<27) /* Bit 27: (ML) IRQ on end of I2C tx */
574 #define IRQ_SW (1L<<26) /* Bit 26: (ML) SW forced IRQ */
575 #define IRQ_EXT_REG (1L<<25) /* Bit 25: (ML) IRQ from external reg*/
576 #define IRQ_STAT (1L<<24) /* Bit 24: IRQ status exception */
577 /* PERR, RMABORT, RTABORT DATAPERR */
578 #define IRQ_MST_ERR (1L<<23) /* Bit 23: IRQ master error */
579 /* RMABORT, RTABORT, DATAPERR */
580 #define IRQ_TIMER (1L<<22) /* Bit 22: IRQ_TIMER */
581 #define IRQ_RTM (1L<<21) /* Bit 21: IRQ_RTM */
582 #define IRQ_DAS (1L<<20) /* Bit 20: IRQ_PHY_DAS */
583 #define IRQ_IFCP_4 (1L<<19) /* Bit 19: IRQ_IFCP_4 */
584 #define IRQ_IFCP_3 (1L<<18) /* Bit 18: IRQ_IFCP_3/IRQ_PHY */
585 #define IRQ_IFCP_2 (1L<<17) /* Bit 17: IRQ_IFCP_2/IRQ_MAC_2 */
586 #define IRQ_IFCP_1 (1L<<16) /* Bit 16: IRQ_IFCP_1/IRQ_MAC_1 */
587 /* Receive Queue 1 */
588 #define IRQ_R1_P (1L<<15) /* Bit 15: Parity Error (q1) */
589 #define IRQ_R1_B (1L<<14) /* Bit 14: End of Buffer (q1) */
590 #define IRQ_R1_F (1L<<13) /* Bit 13: End of Frame (q1) */
591 #define IRQ_R1_C (1L<<12) /* Bit 12: Encoding Error (q1) */
592 /* Receive Queue 2 */
593 #define IRQ_R2_P (1L<<11) /* Bit 11: (DV) Parity Error (q2) */
594 #define IRQ_R2_B (1L<<10) /* Bit 10: (DV) End of Buffer (q2) */
595 #define IRQ_R2_F (1L<<9) /* Bit 9: (DV) End of Frame (q2) */
596 #define IRQ_R2_C (1L<<8) /* Bit 8: (DV) Encoding Error (q2) */
597 /* Asynchronous Transmit queue */
598 /* Bit 7: reserved */
599 #define IRQ_XA_B (1L<<6) /* Bit 6: End of Buffer (xa) */
600 #define IRQ_XA_F (1L<<5) /* Bit 5: End of Frame (xa) */
601 #define IRQ_XA_C (1L<<4) /* Bit 4: Encoding Error (xa) */
602 /* Synchronous Transmit queue */
603 /* Bit 3: reserved */
604 #define IRQ_XS_B (1L<<2) /* Bit 2: End of Buffer (xs) */
605 #define IRQ_XS_F (1L<<1) /* Bit 1: End of Frame (xs) */
606 #define IRQ_XS_C (1L<<0) /* Bit 0: Encoding Error (xs) */
608 /* 0x0010 - 0x006b: formac+ (supernet_3) fequently used registers */
609 /* B0_R1_CSR 32 bit BMU control/status reg (rec q 1 ) */
610 /* B0_R2_CSR 32 bit BMU control/status reg (rec q 2 ) */
611 /* B0_XA_CSR 32 bit BMU control/status reg (a xmit q ) */
612 /* B0_XS_CSR 32 bit BMU control/status reg (s xmit q ) */
613 /* The registers are the same as B4_R1_CSR, B4_R2_CSR, B5_Xa_CSR, B5_XS_CSR */
615 /* B2_MAC_0 8 bit MAC address Byte 0 */
616 /* B2_MAC_1 8 bit MAC address Byte 1 */
617 /* B2_MAC_2 8 bit MAC address Byte 2 */
618 /* B2_MAC_3 8 bit MAC address Byte 3 */
619 /* B2_MAC_4 8 bit MAC address Byte 4 */
620 /* B2_MAC_5 8 bit MAC address Byte 5 */
621 /* B2_MAC_6 8 bit MAC address Byte 6 (== 0) (DV) */
622 /* B2_MAC_7 8 bit MAC address Byte 7 (== 0) (DV) */
624 /* B2_CONN_TYP 8 bit Connector type */
625 /* B2_PMD_TYP 8 bit PMD type */
626 /* Values of connector and PMD type comply to SysKonnect internal std */
628 /* The EPROM register are currently of no use */
629 /* B2_E_0 8 bit EPROM Byte 0 */
630 /* B2_E_1 8 bit EPROM Byte 1 */
631 /* B2_E_2 8 bit EPROM Byte 2 */
632 /* B2_E_3 8 bit EPROM Byte 3 */
634 /* B2_FAR 32 bit Flash-Prom Address Register/Counter */
635 #define FAR_ADDR 0x1ffffL /* Bit 16..0: FPROM Address mask */
637 /* B2_FDP 8 bit Flash-Prom Data Port */
639 /* B2_LD_CRTL 8 bit loader control */
640 /* Bits are currently reserved */
642 /* B2_LD_TEST 8 bit loader test */
643 #define LD_T_ON (1<<3) /* Bit 3: Loader Testmode on */
644 #define LD_T_OFF (1<<2) /* Bit 2: Loader Testmode off */
645 #define LD_T_STEP (1<<1) /* Bit 1: Decrement FPROM addr. Counter */
646 #define LD_START (1<<0) /* Bit 0: Start loading FPROM */
648 /* B2_TI_INI 32 bit Timer init value */
649 /* B2_TI_VAL 32 bit Timer value */
650 /* B2_TI_CRTL 8 bit Timer control */
651 /* B2_TI_TEST 8 Bit Timer Test */
652 /* B2_WDOG_INI 32 bit Watchdog init value */
653 /* B2_WDOG_VAL 32 bit Watchdog value */
654 /* B2_WDOG_CRTL 8 bit Watchdog control */
655 /* B2_WDOG_TEST 8 Bit Watchdog Test */
656 /* B2_RTM_INI 32 bit RTM init value */
657 /* B2_RTM_VAL 32 bit RTM value */
658 /* B2_RTM_CRTL 8 bit RTM control */
659 /* B2_RTM_TEST 8 Bit RTM Test */
660 /* B2_<TIM>_CRTL 8 bit <TIM> control */
661 /* B2_IRQ_MOD_INI 32 bit IRQ Moderation Timer Init Reg. (ML) */
662 /* B2_IRQ_MOD_VAL 32 bit IRQ Moderation Timer Value (ML) */
663 /* B2_IRQ_MOD_CTRL 8 bit IRQ Moderation Timer Control (ML) */
664 /* B2_IRQ_MOD_TEST 8 bit IRQ Moderation Timer Test (ML) */
665 #define GET_TOK_CT (1<<4) /* Bit 4: Get the Token Counter (RTM) */
666 #define TIM_RES_TOK (1<<3) /* Bit 3: RTM Status: 1 == restricted */
667 #define TIM_ALARM (1<<3) /* Bit 3: Timer Alarm (WDOG) */
668 #define TIM_START (1<<2) /* Bit 2: Start Timer (TI,WDOG,RTM,IRQ_MOD)*/
669 #define TIM_STOP (1<<1) /* Bit 1: Stop Timer (TI,WDOG,RTM,IRQ_MOD) */
670 #define TIM_CL_IRQ (1<<0) /* Bit 0: Clear Timer IRQ (TI,WDOG,RTM) */
671 /* B2_<TIM>_TEST 8 Bit <TIM> Test */
672 #define TIM_T_ON (1<<2) /* Bit 2: Test mode on (TI,WDOG,RTM,IRQ_MOD) */
673 #define TIM_T_OFF (1<<1) /* Bit 1: Test mode off (TI,WDOG,RTM,IRQ_MOD) */
674 #define TIM_T_STEP (1<<0) /* Bit 0: Test step (TI,WDOG,RTM,IRQ_MOD) */
676 /* B2_TOK_COUNT 0x014c (ML) 32 bit Token Counter */
677 /* B2_DESC_ADDR_H 0x0150 (ML) 32 bit Desciptor Base Addr Reg High */
678 /* B2_CTRL_2 0x0154 (ML) 8 bit Control Register 2 */
679 /* Bit 7..5: reserved */
680 #define CTRL_CL_I2C_IRQ (1<<4) /* Bit 4: Clear I2C IRQ */
681 #define CTRL_ST_SW_IRQ (1<<3) /* Bit 3: Set IRQ SW Request */
682 #define CTRL_CL_SW_IRQ (1<<2) /* Bit 2: Clear IRQ SW Request */
683 #define CTRL_STOP_DONE (1<<1) /* Bit 1: Stop Master is finished */
684 #define CTRL_STOP_MAST (1<<0) /* Bit 0: Command Bit to stop the master*/
686 /* B2_IFACE_REG 0x0155 (ML) 8 bit Interface Register */
687 /* Bit 7..3: reserved */
688 #define IF_I2C_DATA_DIR (1<<2) /* Bit 2: direction of IF_I2C_DATA*/
689 #define IF_I2C_DATA (1<<1) /* Bit 1: I2C Data Port */
690 #define IF_I2C_CLK (1<<0) /* Bit 0: I2C Clock Port */
692 /* 0x0156: reserved */
693 /* B2_TST_CTRL_2 0x0157 (ML) 8 bit Test Control Register 2 */
694 /* Bit 7..4: reserved */
695 /* force the following error on */
696 /* the next master read/write */
697 #define TST_FRC_DPERR_MR64 (1<<3) /* Bit 3: DataPERR RD 64 */
698 #define TST_FRC_DPERR_MW64 (1<<2) /* Bit 2: DataPERR WR 64 */
699 #define TST_FRC_APERR_1M64 (1<<1) /* Bit 1: AddrPERR on 1. phase */
700 #define TST_FRC_APERR_2M64 (1<<0) /* Bit 0: AddrPERR on 2. phase */
702 /* B2_I2C_CTRL 0x0158 (ML) 32 bit I2C Control Register */
703 #define I2C_FLAG (1L<<31) /* Bit 31: Start read/write if WR */
704 #define I2C_ADDR (0x7fffL<<16) /* Bit 30..16: Addr to be read/written*/
705 #define I2C_DEV_SEL (0x7fL<<9) /* Bit 9..15: I2C Device Select */
706 /* Bit 5.. 8: reserved */
707 #define I2C_BURST_LEN (1L<<4) /* Bit 4 Burst Len, 1/4 bytes */
708 #define I2C_DEV_SIZE (7L<<1) /* Bit 1.. 3: I2C Device Size */
709 #define I2C_025K_DEV (0L<<1) /* 0: 256 Bytes or smaller*/
710 #define I2C_05K_DEV (1L<<1) /* 1: 512 Bytes */
711 #define I2C_1K_DEV (2L<<1) /* 2: 1024 Bytes */
712 #define I2C_2K_DEV (3L<<1) /* 3: 2048 Bytes */
713 #define I2C_4K_DEV (4L<<1) /* 4: 4096 Bytes */
714 #define I2C_8K_DEV (5L<<1) /* 5: 8192 Bytes */
715 #define I2C_16K_DEV (6L<<1) /* 6: 16384 Bytes */
716 #define I2C_32K_DEV (7L<<1) /* 7: 32768 Bytes */
717 #define I2C_STOP_BIT (1<<0) /* Bit 0: Interrupt I2C transfer */
720 * I2C Addresses
722 * The temperature sensor and the voltage sensor are on the same I2C bus.
723 * Note: The voltage sensor (Micorwire) will be selected by PCI_EXT_PATCH_1
724 * in PCI_OUR_REG 1.
726 #define I2C_ADDR_TEMP 0x90 /* I2C Address Temperature Sensor */
728 /* B2_I2C_DATA 0x015c (ML) 32 bit I2C Data Register */
730 /* B4_R1_D 4*32 bit current receive Descriptor (q1) */
731 /* B4_R1_DA 32 bit current rec desc address (q1) */
732 /* B4_R1_AC 32 bit current receive Address Count (q1) */
733 /* B4_R1_BC 32 bit current receive Byte Counter (q1) */
734 /* B4_R1_CSR 32 bit BMU Control/Status Register (q1) */
735 /* B4_R1_F 32 bit flag register (q1) */
736 /* B4_R1_T1 32 bit Test Register 1 (q1) */
737 /* B4_R1_T2 32 bit Test Register 2 (q1) */
738 /* B4_R1_T3 32 bit Test Register 3 (q1) */
739 /* B4_R2_D 4*32 bit current receive Descriptor (q2) */
740 /* B4_R2_DA 32 bit current rec desc address (q2) */
741 /* B4_R2_AC 32 bit current receive Address Count (q2) */
742 /* B4_R2_BC 32 bit current receive Byte Counter (q2) */
743 /* B4_R2_CSR 32 bit BMU Control/Status Register (q2) */
744 /* B4_R2_F 32 bit flag register (q2) */
745 /* B4_R2_T1 32 bit Test Register 1 (q2) */
746 /* B4_R2_T2 32 bit Test Register 2 (q2) */
747 /* B4_R2_T3 32 bit Test Register 3 (q2) */
748 /* B5_XA_D 4*32 bit current receive Descriptor (xa) */
749 /* B5_XA_DA 32 bit current rec desc address (xa) */
750 /* B5_XA_AC 32 bit current receive Address Count (xa) */
751 /* B5_XA_BC 32 bit current receive Byte Counter (xa) */
752 /* B5_XA_CSR 32 bit BMU Control/Status Register (xa) */
753 /* B5_XA_F 32 bit flag register (xa) */
754 /* B5_XA_T1 32 bit Test Register 1 (xa) */
755 /* B5_XA_T2 32 bit Test Register 2 (xa) */
756 /* B5_XA_T3 32 bit Test Register 3 (xa) */
757 /* B5_XS_D 4*32 bit current receive Descriptor (xs) */
758 /* B5_XS_DA 32 bit current rec desc address (xs) */
759 /* B5_XS_AC 32 bit current receive Address Count (xs) */
760 /* B5_XS_BC 32 bit current receive Byte Counter (xs) */
761 /* B5_XS_CSR 32 bit BMU Control/Status Register (xs) */
762 /* B5_XS_F 32 bit flag register (xs) */
763 /* B5_XS_T1 32 bit Test Register 1 (xs) */
764 /* B5_XS_T2 32 bit Test Register 2 (xs) */
765 /* B5_XS_T3 32 bit Test Register 3 (xs) */
766 /* B5_<xx>_CSR 32 bit BMU Control/Status Register (xx) */
767 #define CSR_DESC_CLEAR (1L<<21) /* Bit 21: Clear Reset for Descr */
768 #define CSR_DESC_SET (1L<<20) /* Bit 20: Set Reset for Descr */
769 #define CSR_FIFO_CLEAR (1L<<19) /* Bit 19: Clear Reset for FIFO */
770 #define CSR_FIFO_SET (1L<<18) /* Bit 18: Set Reset for FIFO */
771 #define CSR_HPI_RUN (1L<<17) /* Bit 17: Release HPI SM */
772 #define CSR_HPI_RST (1L<<16) /* Bit 16: Reset HPI SM to Idle */
773 #define CSR_SV_RUN (1L<<15) /* Bit 15: Release Supervisor SM */
774 #define CSR_SV_RST (1L<<14) /* Bit 14: Reset Supervisor SM */
775 #define CSR_DREAD_RUN (1L<<13) /* Bit 13: Release Descr Read SM */
776 #define CSR_DREAD_RST (1L<<12) /* Bit 12: Reset Descr Read SM */
777 #define CSR_DWRITE_RUN (1L<<11) /* Bit 11: Rel. Descr Write SM */
778 #define CSR_DWRITE_RST (1L<<10) /* Bit 10: Reset Descr Write SM */
779 #define CSR_TRANS_RUN (1L<<9) /* Bit 9: Release Transfer SM */
780 #define CSR_TRANS_RST (1L<<8) /* Bit 8: Reset Transfer SM */
781 /* Bit 7..5: reserved */
782 #define CSR_START (1L<<4) /* Bit 4: Start Rec/Xmit Queue */
783 #define CSR_IRQ_CL_P (1L<<3) /* Bit 3: Clear Parity IRQ, Rcv */
784 #define CSR_IRQ_CL_B (1L<<2) /* Bit 2: Clear EOB IRQ */
785 #define CSR_IRQ_CL_F (1L<<1) /* Bit 1: Clear EOF IRQ */
786 #define CSR_IRQ_CL_C (1L<<0) /* Bit 0: Clear ERR IRQ */
788 #define CSR_SET_RESET (CSR_DESC_SET|CSR_FIFO_SET|CSR_HPI_RST|CSR_SV_RST|\
789 CSR_DREAD_RST|CSR_DWRITE_RST|CSR_TRANS_RST)
790 #define CSR_CLR_RESET (CSR_DESC_CLEAR|CSR_FIFO_CLEAR|CSR_HPI_RUN|CSR_SV_RUN|\
791 CSR_DREAD_RUN|CSR_DWRITE_RUN|CSR_TRANS_RUN)
794 /* B5_<xx>_F 32 bit flag register (xx) */
795 /* Bit 28..31: reserved */
796 #define F_ALM_FULL (1L<<27) /* Bit 27: (ML) FIFO almost full */
797 #define F_FIFO_EOF (1L<<26) /* Bit 26: (ML) Fag bit in FIFO */
798 #define F_WM_REACHED (1L<<25) /* Bit 25: (ML) Watermark reached */
799 #define F_UP_DW_USED (1L<<24) /* Bit 24: (ML) Upper Dword used (bug)*/
800 /* Bit 23: reserved */
801 #define F_FIFO_LEVEL (0x1fL<<16) /* Bit 16..22:(ML) # of Qwords in FIFO*/
802 /* Bit 8..15: reserved */
803 #define F_ML_WATER_M 0x0000ffL /* Bit 0.. 7:(ML) Watermark */
804 #define FLAG_WATER 0x00001fL /* Bit 4..0:(DV) Level of req data tr.*/
806 /* B5_<xx>_T1 32 bit Test Register 1 (xx) */
807 /* Holds four State Machine control Bytes */
808 #define SM_CRTL_SV (0xffL<<24) /* Bit 31..24: Control Supervisor SM */
809 #define SM_CRTL_RD (0xffL<<16) /* Bit 23..16: Control Read Desc SM */
810 #define SM_CRTL_WR (0xffL<<8) /* Bit 15..8: Control Write Desc SM */
811 #define SM_CRTL_TR (0xffL<<0) /* Bit 7..0: Control Transfer SM */
813 /* B4_<xx>_T1_TR 8 bit Test Register 1 TR (xx) */
814 /* B4_<xx>_T1_WR 8 bit Test Register 1 WR (xx) */
815 /* B4_<xx>_T1_RD 8 bit Test Register 1 RD (xx) */
816 /* B4_<xx>_T1_SV 8 bit Test Register 1 SV (xx) */
817 /* The control status byte of each machine looks like ... */
818 #define SM_STATE 0xf0 /* Bit 7..4: State which shall be loaded */
819 #define SM_LOAD 0x08 /* Bit 3: Load the SM with SM_STATE */
820 #define SM_TEST_ON 0x04 /* Bit 2: Switch on SM Test Mode */
821 #define SM_TEST_OFF 0x02 /* Bit 1: Go off the Test Mode */
822 #define SM_STEP 0x01 /* Bit 0: Step the State Machine */
824 /* The coding of the states */
825 #define SM_SV_IDLE 0x0 /* Supervisor Idle Tr/Re */
826 #define SM_SV_RES_START 0x1 /* Supervisor Res_Start Tr/Re */
827 #define SM_SV_GET_DESC 0x3 /* Supervisor Get_Desc Tr/Re */
828 #define SM_SV_CHECK 0x2 /* Supervisor Check Tr/Re */
829 #define SM_SV_MOV_DATA 0x6 /* Supervisor Move_Data Tr/Re */
830 #define SM_SV_PUT_DESC 0x7 /* Supervisor Put_Desc Tr/Re */
831 #define SM_SV_SET_IRQ 0x5 /* Supervisor Set_Irq Tr/Re */
833 #define SM_RD_IDLE 0x0 /* Read Desc. Idle Tr/Re */
834 #define SM_RD_LOAD 0x1 /* Read Desc. Load Tr/Re */
835 #define SM_RD_WAIT_TC 0x3 /* Read Desc. Wait_TC Tr/Re */
836 #define SM_RD_RST_EOF 0x6 /* Read Desc. Reset_EOF Re */
837 #define SM_RD_WDONE_R 0x2 /* Read Desc. Wait_Done Re */
838 #define SM_RD_WDONE_T 0x4 /* Read Desc. Wait_Done Tr */
840 #define SM_TR_IDLE 0x0 /* Trans. Data Idle Tr/Re */
841 #define SM_TR_LOAD 0x3 /* Trans. Data Load Tr/Re */
842 #define SM_TR_LOAD_R_ML 0x1 /* Trans. Data Load /Re (ML) */
843 #define SM_TR_WAIT_TC 0x2 /* Trans. Data Wait_TC Tr/Re */
844 #define SM_TR_WDONE 0x4 /* Trans. Data Wait_Done Tr/Re */
846 #define SM_WR_IDLE 0x0 /* Write Desc. Idle Tr/Re */
847 #define SM_WR_ABLEN 0x1 /* Write Desc. Act_Buf_Length Tr/Re */
848 #define SM_WR_LD_A4 0x2 /* Write Desc. Load_A4 Re */
849 #define SM_WR_RES_OWN 0x2 /* Write Desc. Res_OWN Tr */
850 #define SM_WR_WAIT_EOF 0x3 /* Write Desc. Wait_EOF Re */
851 #define SM_WR_LD_N2C_R 0x4 /* Write Desc. Load_N2C Re */
852 #define SM_WR_WAIT_TC_R 0x5 /* Write Desc. Wait_TC Re */
853 #define SM_WR_WAIT_TC4 0x6 /* Write Desc. Wait_TC4 Re */
854 #define SM_WR_LD_A_T 0x6 /* Write Desc. Load_A Tr */
855 #define SM_WR_LD_A_R 0x7 /* Write Desc. Load_A Re */
856 #define SM_WR_WAIT_TC_T 0x7 /* Write Desc. Wait_TC Tr */
857 #define SM_WR_LD_N2C_T 0xc /* Write Desc. Load_N2C Tr */
858 #define SM_WR_WDONE_T 0x9 /* Write Desc. Wait_Done Tr */
859 #define SM_WR_WDONE_R 0xc /* Write Desc. Wait_Done Re */
860 #define SM_WR_LD_D_AD 0xe /* Write Desc. Load_Dumr_A Re (ML) */
861 #define SM_WR_WAIT_D_TC 0xf /* Write Desc. Wait_Dumr_TC Re (ML) */
863 /* B5_<xx>_T2 32 bit Test Register 2 (xx) */
864 /* Note: This register is only defined for the transmit queues */
865 /* Bit 31..8: reserved */
866 #define AC_TEST_ON (1<<7) /* Bit 7: Address Counter Test Mode on */
867 #define AC_TEST_OFF (1<<6) /* Bit 6: Address Counter Test Mode off*/
868 #define BC_TEST_ON (1<<5) /* Bit 5: Byte Counter Test Mode on */
869 #define BC_TEST_OFF (1<<4) /* Bit 4: Byte Counter Test Mode off */
870 #define TEST_STEP04 (1<<3) /* Bit 3: Inc AC/Dec BC by 4 */
871 #define TEST_STEP03 (1<<2) /* Bit 2: Inc AC/Dec BC by 3 */
872 #define TEST_STEP02 (1<<1) /* Bit 1: Inc AC/Dec BC by 2 */
873 #define TEST_STEP01 (1<<0) /* Bit 0: Inc AC/Dec BC by 1 */
875 /* B5_<xx>_T3 32 bit Test Register 3 (xx) */
876 /* Note: This register is only defined for the transmit queues */
877 /* Bit 31..8: reserved */
878 #define T3_MUX_2 (1<<7) /* Bit 7: (ML) Mux position MSB */
879 #define T3_VRAM_2 (1<<6) /* Bit 6: (ML) Virtual RAM buffer addr MSB */
880 #define T3_LOOP (1<<5) /* Bit 5: Set Loopback (Xmit) */
881 #define T3_UNLOOP (1<<4) /* Bit 4: Unset Loopback (Xmit) */
882 #define T3_MUX (3<<2) /* Bit 3..2: Mux position */
883 #define T3_VRAM (3<<0) /* Bit 1..0: Virtual RAM buffer Address */
885 /* PCI card IDs */
887 * Note: The following 4 byte definitions shall not be used! Use OEM Concept!
889 #define PCI_VEND_ID0 0x48 /* PCI vendor ID (SysKonnect) */
890 #define PCI_VEND_ID1 0x11 /* PCI vendor ID (SysKonnect) */
891 /* (High byte) */
892 #define PCI_DEV_ID0 0x00 /* PCI device ID */
893 #define PCI_DEV_ID1 0x40 /* PCI device ID (High byte) */
895 /*#define PCI_CLASS 0x02*/ /* PCI class code: network device */
896 #define PCI_NW_CLASS 0x02 /* PCI class code: network device */
897 #define PCI_SUB_CLASS 0x02 /* PCI subclass ID: FDDI device */
898 #define PCI_PROG_INTFC 0x00 /* PCI programming Interface (=0) */
901 * address transmission from logical to physical offset address on board
903 #define FMA(a) (0x0400|((a)<<2)) /* FORMAC+ (r/w) (SN3) */
904 #define P1(a) (0x0380|((a)<<2)) /* PLC1 (r/w) (DAS) */
905 #define P2(a) (0x0600|((a)<<2)) /* PLC2 (r/w) (covered by the SN3) */
906 #define PRA(a) (B2_MAC_0 + (a)) /* configuration PROM (MAC address) */
909 * FlashProm specification
911 #define MAX_PAGES 0x20000L /* Every byte has a single page */
912 #define MAX_FADDR 1 /* 1 byte per page */
915 * Receive / Transmit Buffer Control word
917 #define BMU_OWN (1UL<<31) /* OWN bit: 0 == host, 1 == adapter */
918 #define BMU_STF (1L<<30) /* Start of Frame ? */
919 #define BMU_EOF (1L<<29) /* End of Frame ? */
920 #define BMU_EN_IRQ_EOB (1L<<28) /* Enable "End of Buffer" IRQ */
921 #define BMU_EN_IRQ_EOF (1L<<27) /* Enable "End of Frame" IRQ */
922 #define BMU_DEV_0 (1L<<26) /* RX: don't transfer to system mem */
923 #define BMU_SMT_TX (1L<<25) /* TX: if set, buffer type SMT_MBuf */
924 #define BMU_ST_BUF (1L<<25) /* RX: copy of start of frame */
925 #define BMU_UNUSED (1L<<24) /* Set if the Descr is curr unused */
926 #define BMU_SW (3L<<24) /* 2 Bits reserved for SW usage */
927 #define BMU_CHECK 0x00550000L /* To identify the control word */
928 #define BMU_BBC 0x0000FFFFL /* R/T Buffer Byte Count */
931 * physical address offset + IO-Port base address
933 #ifdef MEM_MAPPED_IO
934 #define ADDR(a) (char far *) smc->hw.iop+(a)
935 #define ADDRS(smc,a) (char far *) (smc)->hw.iop+(a)
936 #else
937 #define ADDR(a) (((a)>>7) ? (outp(smc->hw.iop+B0_RAP,(a)>>7), \
938 (smc->hw.iop+(((a)&0x7F)|((a)>>7 ? 0x80:0)))) : \
939 (smc->hw.iop+(((a)&0x7F)|((a)>>7 ? 0x80:0))))
940 #define ADDRS(smc,a) (((a)>>7) ? (outp((smc)->hw.iop+B0_RAP,(a)>>7), \
941 ((smc)->hw.iop+(((a)&0x7F)|((a)>>7 ? 0x80:0)))) : \
942 ((smc)->hw.iop+(((a)&0x7F)|((a)>>7 ? 0x80:0))))
943 #endif
946 * Define a macro to access the configuration space
948 #define PCI_C(a) ADDR(B3_CFG_SPC + (a)) /* PCI Config Space */
950 #define EXT_R(a) ADDR(B6_EXT_REG + (a)) /* External Registers */
953 * Define some values needed for the MAC address (PROM)
955 #define SA_MAC (0) /* start addr. MAC_AD within the PROM */
956 #define PRA_OFF (0) /* offset correction when 4th byte reading */
958 #define SKFDDI_PSZ 8 /* address PROM size */
960 #define FM_A(a) ADDR(FMA(a)) /* FORMAC Plus physical addr */
961 #define P1_A(a) ADDR(P1(a)) /* PLC1 (r/w) */
962 #define P2_A(a) ADDR(P2(a)) /* PLC2 (r/w) (DAS) */
963 #define PR_A(a) ADDR(PRA(a)) /* config. PROM (MAC address) */
966 * Macro to read the PROM
968 #define READ_PROM(a) ((u_char)inp(a))
970 #define GET_PAGE(bank) outpd(ADDR(B2_FAR),bank)
971 #define VPP_ON()
972 #define VPP_OFF()
975 * Note: Values of the Interrupt Source Register are defined above
977 #define ISR_A ADDR(B0_ISRC)
978 #define GET_ISR() inpd(ISR_A)
979 #define GET_ISR_SMP(iop) inpd((iop)+B0_ISRC)
980 #define CHECK_ISR() (inpd(ISR_A) & inpd(ADDR(B0_IMSK)))
981 #define CHECK_ISR_SMP(iop) (inpd((iop)+B0_ISRC) & inpd((iop)+B0_IMSK))
983 #define BUS_CHECK()
986 * CLI_FBI: Disable Board Interrupts
987 * STI_FBI: Enable Board Interrupts
989 #ifndef UNIX
990 #define CLI_FBI() outpd(ADDR(B0_IMSK),0)
991 #else
992 #define CLI_FBI(smc) outpd(ADDRS((smc),B0_IMSK),0)
993 #endif
995 #ifndef UNIX
996 #define STI_FBI() outpd(ADDR(B0_IMSK),smc->hw.is_imask)
997 #else
998 #define STI_FBI(smc) outpd(ADDRS((smc),B0_IMSK),(smc)->hw.is_imask)
999 #endif
1001 #define CLI_FBI_SMP(iop) outpd((iop)+B0_IMSK,0)
1002 #define STI_FBI_SMP(smc,iop) outpd((iop)+B0_IMSK,(smc)->hw.is_imask)
1004 #endif /* PCI */
1005 /*--------------------------------------------------------------------------*/
1008 * 12 bit transfer (dword) counter:
1009 * (ISA: 2*trc = number of byte)
1010 * (EISA: 4*trc = number of byte)
1011 * (MCA: 4*trc = number of byte)
1013 #define MAX_TRANS (0x0fff)
1016 * PC PIC
1018 #define MST_8259 (0x20)
1019 #define SLV_8259 (0xA0)
1021 #define TPS (18) /* ticks per second */
1024 * error timer defs
1026 #define TN (4) /* number of supported timer = TN+1 */
1027 #define SNPPND_TIME (5) /* buffer memory access over mem. data reg. */
1029 #define MAC_AD 0x405a0000
1031 #define MODR1 FM_A(FM_MDREG1) /* mode register 1 */
1032 #define MODR2 FM_A(FM_MDREG2) /* mode register 2 */
1034 #define CMDR1 FM_A(FM_CMDREG1) /* command register 1 */
1035 #define CMDR2 FM_A(FM_CMDREG2) /* command register 2 */
1039 * function defines
1041 #define CLEAR(io,mask) outpw((io),inpw(io)&(~(mask)))
1042 #define SET(io,mask) outpw((io),inpw(io)|(mask))
1043 #define GET(io,mask) (inpw(io)&(mask))
1044 #define SETMASK(io,val,mask) outpw((io),(inpw(io) & ~(mask)) | (val))
1047 * PHY Port A (PA) = PLC 1
1048 * With SuperNet 3 PHY-A and PHY S are identical.
1050 #define PLC(np,reg) (((np) == PA) ? P2_A(reg) : P1_A(reg))
1053 * set memory address register for write and read
1055 #define MARW(ma) outpw(FM_A(FM_MARW),(unsigned int)(ma))
1056 #define MARR(ma) outpw(FM_A(FM_MARR),(unsigned int)(ma))
1059 * read/write from/to memory data register
1061 /* write double word */
1062 #define MDRW(dd) outpw(FM_A(FM_MDRU),(unsigned int)((dd)>>16)) ;\
1063 outpw(FM_A(FM_MDRL),(unsigned int)(dd))
1065 #ifndef WINNT
1066 /* read double word */
1067 #define MDRR() (((long)inpw(FM_A(FM_MDRU))<<16) + inpw(FM_A(FM_MDRL)))
1069 /* read FORMAC+ 32-bit status register */
1070 #define GET_ST1() (((long)inpw(FM_A(FM_ST1U))<<16) + inpw(FM_A(FM_ST1L)))
1071 #define GET_ST2() (((long)inpw(FM_A(FM_ST2U))<<16) + inpw(FM_A(FM_ST2L)))
1072 #ifdef SUPERNET_3
1073 #define GET_ST3() (((long)inpw(FM_A(FM_ST3U))<<16) + inpw(FM_A(FM_ST3L)))
1074 #endif
1075 #else
1076 /* read double word */
1077 #define MDRR() inp2w((FM_A(FM_MDRU)),(FM_A(FM_MDRL)))
1079 /* read FORMAC+ 32-bit status register */
1080 #define GET_ST1() inp2w((FM_A(FM_ST1U)),(FM_A(FM_ST1L)))
1081 #define GET_ST2() inp2w((FM_A(FM_ST2U)),(FM_A(FM_ST2L)))
1082 #ifdef SUPERNET_3
1083 #define GET_ST3() inp2w((FM_A(FM_ST3U)),(FM_A(FM_ST3L)))
1084 #endif
1085 #endif
1087 /* Special timer macro for 82c54 */
1088 /* timer access over data bus bit 8..15 */
1089 #define OUT_82c54_TIMER(port,val) outpw(TI_A(port),(val)<<8)
1090 #define IN_82c54_TIMER(port) ((inpw(TI_A(port))>>8) & 0xff)
1093 #ifdef DEBUG
1094 #define DB_MAC(mac,st) {if (debug_mac & 0x1)\
1095 printf("M") ;\
1096 if (debug_mac & 0x2)\
1097 printf("\tMAC %d status 0x%08lx\n",mac,st) ;\
1098 if (debug_mac & 0x4)\
1099 dp_mac(mac,st) ;\
1102 #define DB_PLC(p,iev) { if (debug_plc & 0x1)\
1103 printf("P") ;\
1104 if (debug_plc & 0x2)\
1105 printf("\tPLC %s Int 0x%04x\n", \
1106 (p == PA) ? "A" : "B", iev) ;\
1107 if (debug_plc & 0x4)\
1108 dp_plc(p,iev) ;\
1111 #define DB_TIMER() { if (debug_timer & 0x1)\
1112 printf("T") ;\
1113 if (debug_timer & 0x2)\
1114 printf("\tTimer ISR\n") ;\
1117 #else /* no DEBUG */
1119 #define DB_MAC(mac,st)
1120 #define DB_PLC(p,iev)
1121 #define DB_TIMER()
1123 #endif /* no DEBUG */
1125 #define INC_PTR(sp,cp,ep) if (++cp == ep) cp = sp
1127 * timer defs
1129 #define COUNT(t) ((t)<<6) /* counter */
1130 #define RW_OP(o) ((o)<<4) /* read/write operation */
1131 #define TMODE(m) ((m)<<1) /* timer mode */
1133 #endif