1 /*        $NetBSD: hpcreg.h,v 1.21 2025/02/23 13:31:30 andvar Exp $   */
2 
3 /*
4  * Copyright (c) 2001 Rafal K. Boni
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #ifndef _ARCH_SGIMIPS_HPC_HPCREG_H_
31 #define   _ARCH_SGIMIPS_HPC_HPCREG_H_
32 
33 /*
34  * HPC locations are identical across all HPC-supported
35  * platforms.
36  */
37 #define HPC_BASE_ADDRESS_0    0x1fb80000          /* Primary onboard */
38 #define HPC_BASE_ADDRESS_1    0x1fb00000
39 #define HPC_BASE_ADDRESS_2    0x1f980000
40 #define HPC_BASE_ADDRESS_3    0x1f900000          /* NB: Never supported in h/w */
41 
42 /*
43  * HPC3 descriptor layout.
44  */
45 struct hpc_dma_desc {
46           uint32_t  hdd_bufptr;         /* Physical address of buffer */
47           uint32_t  hdd_ctl;  /* Control flags and byte count */
48           uint32_t  hdd_descptr;        /* Physical address of next descr. */
49           uint32_t  hdd_pad;  /* Pad out to quadword alignment */
50 };
51 
52 /*
53  * The hdd_bufptr and hdd_ctl fields are swapped between HPC1 and
54  * HPC3. These fields are referenced by macro for readability.
55  */
56 #define hpc1_hdd_ctl          hdd_bufptr
57 #define hpc1_hdd_bufptr       hdd_ctl
58 #define hpc3_hdd_ctl          hdd_ctl
59 #define hpc3_hdd_bufptr       hdd_bufptr
60 
61 /*
62  * Control flags
63  */
64 #define HPC3_HDD_CTL_EOCHAIN  0x80000000          /* End of descriptor chain */
65 #define HPC3_HDD_CTL_EOPACKET 0x40000000          /* Ethernet: end of packet */
66 #define HPC3_HDD_CTL_INTR     0x20000000          /* Interrupt when finished */
67 #define HPC3_HDD_CTL_XMITDONE 0x00008000          /* Ethernet transmit done */
68 #define HPC3_HDD_CTL_OWN      0x00004000          /* CPU owns this frame */
69 
70 #define HPC3_HDD_CTL_BYTECNT(x)         ((x) & 0x3fff)      /* Byte count: for ethernet
71                                                              * rcv channel also doubles as
72                                                              * length of packet received
73                                                              */
74 
75 /*
76  * HPC memory map, as offsets from HPC base
77  *
78  * XXXrkb: should each section be used as a base and have the specific
79  * registers offset from there??
80  *
81  * XXX: define register values as well as their offsets.
82  *
83  */
84 #define HPC3_PBUS_DMAREGS     0x00000000          /* DMA registers for PBus */
85 #define HPC3_PBUS_DMAREGS_SIZE          0x0000ffff          /* channels 0 - 7 */
86 
87 #define HPC3_PBUS_CH0_BP      0x00000000          /* Chan 0 Buffer Ptr */
88 #define HPC3_PBUS_CH0_DP      0x00000004          /* Chan 0 Descriptor Ptr */
89 #define HPC3_PBUS_CH0_CTL     0x00001000          /* Chan 0 Control Register */
90 
91 #define HPC3_PBUS_CH1_BP      0x00002000          /* Chan 1 Buffer Ptr */
92 #define HPC3_PBUS_CH1_DP      0x00002004          /* Chan 1 Descriptor Ptr */
93 #define HPC3_PBUS_CH1_CTL     0x00003000          /* Chan 1 Control Register */
94 
95 #define HPC3_PBUS_CH2_BP      0x00004000          /* Chan 2 Buffer Ptr */
96 #define HPC3_PBUS_CH2_DP      0x00004004          /* Chan 2 Descriptor Ptr */
97 #define HPC3_PBUS_CH2_CTL     0x00005000          /* Chan 2 Control Register */
98 
99 #define HPC3_PBUS_CH3_BP      0x00006000          /* Chan 3 Buffer Ptr */
100 #define HPC3_PBUS_CH3_DP      0x00006004          /* Chan 3 Descriptor Ptr */
101 #define HPC3_PBUS_CH3_CTL     0x00007000          /* Chan 3 Control Register */
102 
103 #define HPC3_PBUS_CH4_BP      0x00008000          /* Chan 4 Buffer Ptr */
104 #define HPC3_PBUS_CH4_DP      0x00008004          /* Chan 4 Descriptor Ptr */
105 #define HPC3_PBUS_CH4_CTL     0x00009000          /* Chan 4 Control Register */
106 
107 #define HPC3_PBUS_CH5_BP      0x0000a000          /* Chan 5 Buffer Ptr */
108 #define HPC3_PBUS_CH5_DP      0x0000a004          /* Chan 5 Descriptor Ptr */
109 #define HPC3_PBUS_CH5_CTL     0x0000b000          /* Chan 5 Control Register */
110 
111 #define HPC3_PBUS_CH6_BP      0x0000c000          /* Chan 6 Buffer Ptr */
112 #define HPC3_PBUS_CH6_DP      0x0000c004          /* Chan 6 Descriptor Ptr */
113 #define HPC3_PBUS_CH6_CTL     0x0000d000          /* Chan 6 Control Register */
114 
115 #define HPC3_PBUS_CH7_BP      0x0000e000          /* Chan 7 Buffer Ptr */
116 #define HPC3_PBUS_CH7_DP      0x0000e004          /* Chan 7 Descriptor Ptr */
117 #define HPC3_PBUS_CH7_CTL     0x0000f000          /* Chan 7 Control Register */
118 
119 #define HPC3_SCSI0_REGS                 0x00010000          /* SCSI channel 0 registers */
120 #define HPC3_SCSI0_REGS_SIZE  0x00001fff
121 
122 #define HPC3_SCSI0_CBP                  0x00000000          /* Current buffer ptr */
123 #define HPC3_SCSI0_NDBP                 0x00000004          /* Next descriptor ptr */
124 
125 #define HPC3_SCSI0_BC                   0x00001000          /* DMA byte count & flags */
126 #define HPC3_SCSI0_CTL                  0x00001004          /* DMA control flags */
127 #define HPC3_SCSI0_GIO                  0x00001008          /* GIO DMA FIFO pointer */
128 #define HPC3_SCSI0_DEV                  0x0000100c          /* Device DMA FIFO pointer */
129 #define HPC3_SCSI0_DMACFG     0x00001010          /* DMA configuration */
130 #define HPC3_SCSI0_PIOCFG     0x00001014          /* PIO configuration */
131 
132 #define HPC3_SCSI1_REGS                 0x00012000          /* SCSI channel 1 registers */
133 #define HPC3_SCSI1_REGS_SIZE  0x00001fff
134 
135 #define HPC3_SCSI1_CBP                  0x00000000          /* Current buffer ptr */
136 #define HPC3_SCSI1_NDBP                 0x00000004          /* Next descriptor ptr */
137 
138 #define HPC3_SCSI1_BC                   0x00001000          /* DMA byte count & flags */
139 #define HPC3_SCSI1_CTL                  0x00001004          /* DMA control flags */
140 #define HPC3_SCSI1_GIO                  0x00001008          /* GIO DMA FIFO pointer */
141 #define HPC3_SCSI1_DEV                  0x0000100c          /* Device DMA FIFO pointer */
142 #define HPC3_SCSI1_DMACFG     0x00001010          /* DMA configuration */
143 #define HPC3_SCSI1_PIOCFG     0x00001014          /* PIO configuration */
144 
145 /* HPC3_SCSIx_CTL "SCSI control register" flags: */
146 #define HPC3_SCSI_DMACTL_IRQ    0x01 /* IRQ asserted, dma done or parity */
147 #define HPC3_SCSI_DMACTL_ENDIAN 0x02 /* DMA endian mode, 0=BE, 1=LE */
148 #define HPC3_SCSI_DMACTL_DIR    0x04 /* DMA direction, 0=dev->mem, 1=mem->dev */
149 #define HPC3_SCSI_DMACTL_FLUSH  0x08 /* Flush DMA FIFO's */
150 #define HPC3_SCSI_DMACTL_ACTIVE 0x10 /* DMA channel is active */
151 #define HPC3_SCSI_DMACTL_AMASK  0x20 /* DMA active inhibits PIO */
152 #define HPC3_SCSI_DMACTL_RESET  0x40 /* Reset dma channel and ext. controller */
153 #define HPC3_SCSI_DMACTL_PERR   0x80 /* Parity error: interface to controller */
154 
155 /* HPC_PBUS_CHx_CTL read: */
156 #define HPC3_PBUS_DMACTL_IRQ  0x01 /* IRQ asserted, DMA done */
157 #define HPC3_PBUS_DMACTL_ISACT          0x02 /* DMA channel is active */
158 
159 /* HPC_PBUS_CHx_CTL write: */
160 #define HPC3_PBUS_DMACTL_ENDIAN         0x02 /* DMA endianness, 0=BE 1=LE */
161 #define HPC3_PBUS_DMACTL_RECEIVE 0x04 /* DMA direction, 1=dev->mem, 0=mem->dev*/
162 #define HPC3_PBUS_DMACTL_FLUSH          0x08 /* Flush DMA FIFO */
163 #define HPC3_PBUS_DMACTL_ACT  0x10 /* Activate DMA channel */
164 #define HPC3_PBUS_DMACTL_ACT_LD         0x20 /* Load enable for ACT */
165 #define HPC3_PBUS_DMACTL_RT   0x40 /* Enable real time GIO service for DMA */
166 #define HPC3_PBUS_DMACTL_HIGHWATER_SHIFT 8
167 #define HPC3_PBUS_DMACTL_FIFOBEG_SHIFT  16
168 #define HPC3_PBUS_DMACTL_FIFOEND_SHIFT  24
169 
170 #define HPC3_ENET_REGS                  0x00014000          /* Ethernet registers */
171 #define HPC3_ENET_REGS_SIZE   0x00003fff
172 
173 #define HPC3_ENETR_CBP                  0x00000000          /* Recv: Current buffer ptr */
174 #define HPC3_ENETR_NDBP                 0x00000004          /* Recv: Next descriptor ptr */
175 
176 #define HPC3_ENETR_BC                   0x00001000          /* Recv: DMA byte cnt/flags */
177 #define HPC3_ENETR_CTL                  0x00001004          /* Recv: DMA control flags */
178 
179 #define HPC3_ENETR_CTL_STAT_5_0         0x003f              /* Seeq irq status: bits 0-5 */
180 #define HPC3_ENETR_CTL_STAT_6 0x0040              /* Irq status: late_rxdc */
181 #define HPC3_ENETR_CTL_STAT_7 0x0080              /* Irq status: old/new bit */
182 #define HPC3_ENETR_CTL_LENDIAN          0x0100              /* DMA channel endian mode */
183 #define HPC3_ENETR_CTL_ACTIVE 0x0200              /* DMA channel active? */
184 #define HPC3_ENETR_CTL_ACTIVE_MSK 0x0400          /* DMA channel active? */
185 #define HPC3_ENETR_CTL_RBO    0x0800              /* Recv buffer overflow */
186 
187 #define HPC3_ENETR_GIO                  0x00001008          /* Recv: GIO DMA FIFO ptr */
188 #define HPC3_ENETR_DEV                  0x0000100c          /* Recv: Device DMA FIFO ptr */
189 #define HPC3_ENETR_RESET      0x00001014          /* Recv: Ethernet chip reset */
190 
191 #define HPC3_ENETR_RESET_CH   0x0001              /* Reset controller & chan */
192 #define HPC3_ENETR_RESET_CLRINT         0x0002              /* Clear channel interrupt */
193 #define HPC3_ENETR_RESET_LOOPBK         0x0004              /* External loopback enable */
194 #define HPC3_ENETR_RESET_CLRRBO         0x0008              /* Clear RBO condition (??) */
195 
196 #define HPC3_ENETR_DMACFG     0x00001018          /* Recv: DMA configuration */
197 
198 #define   HPC3_ENETR_DMACFG_D1(_x) (((_x) << 0) & 0x000f)   /* D1 gio_clk cycles */
199 #define   HPC3_ENETR_DMACFG_D2(_x) (((_x) << 4) & 0x00f0)   /* D2 gio_clk cycles */
200 #define   HPC3_ENETR_DMACFG_D3(_x) (((_x) << 8) & 0x0f00)   /* D3 gio_clk cycles */
201 #define   HPC3_ENETR_DMACFG_WRCTL       0x01000             /* Enable IPG write */
202 
203 /*
204  * The following three bits work around bugs in the Seeq 8003; if you
205  * don't set them, the Seeq gets wonky pretty often.
206  */
207 #define   HPC3_ENETR_DMACFG_FIX_RXDC 0x02000      /* Clear EOP bits on RXDC */
208 #define   HPC3_ENETR_DMACFG_FIX_EOP  0x04000      /* Enable rxintr timeout */
209 #define   HPC3_ENETR_DMACFG_FIX_INTR 0x08000      /* Enable EOP timeout */
210 #define   HPC3_ENETR_DMACFG_TIMEOUT  0x30000      /* Timeout value for above two*/
211 
212 #define HPC3_ENETR_PIOCFG     0x0000101c          /* Recv: PIO configuration */
213 
214 #define HPC3_ENETR_PIOCFG_P1(_x) (((_x) << 0) & 0x000f)     /* P1 gio_clk cycles */
215 #define HPC3_ENETR_PIOCFG_P2(_x) (((_x) << 4) & 0x00f0)     /* P2 gio_clk cycles */
216 #define HPC3_ENETR_PIOCFG_P3(_x) (((_x) << 8) & 0x0f00)     /* P3 gio_clk cycles */
217 
218 #define HPC3_ENETX_CBP                  0x00002000          /* Xmit: Current buffer ptr */
219 #define HPC3_ENETX_NDBP                 0x00002004          /* Xmit: Next descriptor ptr */
220 
221 #define HPC3_ENETX_BC                   0x00003000          /* Xmit: DMA byte cnt/flags */
222 #define HPC3_ENETX_CTL                  0x00003004          /* Xmit: DMA control flags */
223 
224 #define HPC3_ENETX_CTL_STAT_5_0         0x003f              /* Seeq irq status: bits 0-5 */
225 #define HPC3_ENETX_CTL_STAT_6 0x0040              /* Irq status: late_rxdc */
226 #define HPC3_ENETX_CTL_STAT_7 0x0080              /* Irq status: old/new bit */
227 #define HPC3_ENETX_CTL_LENDIAN          0x0100              /* DMA channel endian mode */
228 #define HPC3_ENETX_CTL_ACTIVE 0x0200              /* DMA channel active? */
229 #define HPC3_ENETX_CTL_ACTIVE_MSK 0x0400          /* DMA channel active? */
230 #define HPC3_ENETX_CTL_RBO    0x0800              /* Recv buffer overflow */
231 
232 #define HPC3_ENETX_GIO                  0x00003008          /* Xmit: GIO DMA FIFO ptr */
233 #define HPC3_ENETX_DEV                  0x0000300c          /* Xmit: Device DMA FIFO ptr */
234 
235 #define HPC3_PBUS_FIFO                  0x00020000          /* PBus DMA FIFO */
236 #define HPC3_PBUS_FIFO_SIZE   0x00007fff          /* PBus DMA FIFO size */
237 
238 #define HPC3_SCSI0_FIFO                 0x00028000          /* SCSI0 DMA FIFO */
239 #define HPC3_SCSI0_FIFO_SIZE  0x00001fff          /* SCSI0 DMA FIFO size */
240 
241 #define HPC3_SCSI1_FIFO                 0x0002a000          /* SCSI1 DMA FIFO */
242 #define HPC3_SCSI1_FIFO_SIZE  0x00001fff          /* SCSI1 DMA FIFO size */
243 
244 #define HPC3_ENETR_FIFO                 0x0002c000          /* Ether recv DMA FIFO */
245 #define HPC3_ENETR_FIFO_SIZE  0x00001fff          /* Ether recv DMA FIFO size */
246 
247 #define HPC3_ENETX_FIFO                 0x0002e000          /* Ether xmit DMA FIFO */
248 #define HPC3_ENETX_FIFO_SIZE  0x00001fff          /* Ether xmit DMA FIFO size */
249 
250 /*
251  * HPCBUG: The interrupt status is split amongst two registers, and they're
252  * not even consecutive in the HPC address space.  This is documented as a
253  * bug by SGI.
254  */
255 #define HPC3_INTRSTAT_40      0x00030000          /* Interrupt stat, bits 4:0 */
256 #define HPC3_INTRSTAT_95      0x0003000c          /* Interrupt stat, bits 9:5 */
257 
258 #define HPC3_GIO_MISC                   0x00030004          /* GIO64 misc register */
259 
260 #define HPC3_EEPROM_DATA      0x0003000b          /* Serial EEPROM data reg. */
261                                                             /* (byte) */
262 
263 #define HPC3_GIO_BUSERR                 0x00030010          /* GIO64 bus error intr stat */
264 
265 #define HPC3_SCSI0_DEVREGS    0x00044000          /* SCSI channel 0 chip regs */
266 #define HPC3_SCSI0_DEVREGS_SIZE         0x000003ff          /* Size of chip registers */
267 
268 #define HPC3_SCSI1_DEVREGS    0x0004c000          /* SCSI channel 1 chip regs */
269 #define HPC3_SCSI1_DEVREGS_SIZE         0x000003ff          /* Size of chip registers */
270 
271 #define HPC3_ENET_DEVREGS     0x00054000          /* Ethernet chip registers */
272 #define HPC3_ENET_DEVREGS_SIZE          0x000004ff          /* Size of chip registers */
273 
274 #define HPC3_PBUS_DEVREGS     0x00054000          /* PBus PIO chip registers */
275 #define HPC3_PBUS_DEVREGS_SIZE          0x000003ff          /* PBus PIO chip registers */
276 
277 #define HPC3_PBUS_CH0_DEVREGS 0x00058000          /* PBus ch. 0 chip registers */
278 #define HPC3_PBUS_CH0_DEVREGS_SIZE   0x03ff
279 
280 #define HPC3_PBUS_CH1_DEVREGS 0x00058400          /* PBus ch. 1 chip registers */
281 #define HPC3_PBUS_CH1_DEVREGS_SIZE   0x03ff
282 
283 #define HPC3_PBUS_CH2_DEVREGS 0x00058800          /* PBus ch. 2 chip registers */
284 #define HPC3_PBUS_CH2_DEVREGS_SIZE   0x03ff
285 
286 #define HPC3_PBUS_CH3_DEVREGS 0x00058c00          /* PBus ch. 3 chip registers */
287 #define HPC3_PBUS_CH3_DEVREGS_SIZE   0x03ff
288 
289 #define HPC3_PBUS_CH4_DEVREGS 0x00059000          /* PBus ch. 4 chip registers */
290 #define HPC3_PBUS_CH4_DEVREGS_SIZE   0x03ff
291 
292 #define HPC3_PBUS_CH5_DEVREGS 0x00059400          /* PBus ch. 5 chip registers */
293 #define HPC3_PBUS_CH5_DEVREGS_SIZE   0x03ff
294 
295 #define HPC3_PBUS_CH6_DEVREGS 0x00059800          /* PBus ch. 6 chip registers */
296 #define HPC3_PBUS_CH6_DEVREGS_SIZE   0x03ff
297 
298 #define HPC3_PBUS_CH7_DEVREGS 0x00059c00          /* PBus ch. 7 chip registers */
299 #define HPC3_PBUS_CH7_DEVREGS_SIZE   0x03ff
300 
301 #define HPC3_PBUS_CH8_DEVREGS 0x0005a000          /* PBus ch. 8 chip registers */
302 #define HPC3_PBUS_CH8_DEVREGS_SIZE   0x03ff
303 
304 #define HPC3_PBUS_CH9_DEVREGS 0x0005a400          /* PBus ch. 9 chip registers */
305 #define HPC3_PBUS_CH9_DEVREGS_SIZE   0x03ff
306 
307 #define HPC3_PBUS_CH8_DEVREGS_2         0x0005a800          /* PBus ch. 8 chip registers */
308 #define HPC3_PBUS_CH8_DEVREGS_2_SIZE 0x03ff
309 
310 #define HPC3_PBUS_CH9_DEVREGS_2         0x0005ac00          /* PBus ch. 9 chip registers */
311 #define HPC3_PBUS_CH9_DEVREGS_2_SIZE 0x03ff
312 
313 #define HPC3_PBUS_CH8_DEVREGS_3         0x0005b000          /* PBus ch. 8 chip registers */
314 #define HPC3_PBUS_CH8_DEVREGS_3_SIZE 0x03ff
315 
316 #define HPC3_PBUS_CH9_DEVREGS_3         0x0005b400          /* PBus ch. 9 chip registers */
317 #define HPC3_PBUS_CH9_DEVREGS_3_SIZE 0x03ff
318 
319 #define HPC3_PBUS_CH8_DEVREGS_4         0x0005b800          /* PBus ch. 8 chip registers */
320 #define HPC3_PBUS_CH8_DEVREGS_4_SIZE 0x03ff
321 
322 #define HPC3_PBUS_CH9_DEVREGS_4         0x0005bc00          /* PBus ch. 9 chip registers */
323 #define HPC3_PBUS_CH9_DEVREGS_4_SIZE 0x03ff
324 
325 #define HPC3_PBUS_CFGDMA_REGS 0x0005c000          /* PBus DMA config registers */
326 #define HPC3_PBUS_CFGDMA_REGS_SIZE   0x0fff
327 
328 #define HPC3_PBUS_CH0_CFGDMA  0x0005c000          /* PBus Ch. 0 DMA config */
329 #define HPC3_PBUS_CH0_CFGDMA_SIZE    0x01ff
330 
331 #define HPC3_PBUS_CH1_CFGDMA  0x0005c200          /* PBus Ch. 1 DMA config */
332 #define HPC3_PBUS_CH1_CFGDMA_SIZE    0x01ff
333 
334 #define HPC3_PBUS_CH2_CFGDMA  0x0005c400          /* PBus Ch. 2 DMA config */
335 #define HPC3_PBUS_CH2_CFGDMA_SIZE    0x01ff
336 
337 #define HPC3_PBUS_CH3_CFGDMA  0x0005c600          /* PBus Ch. 3 DMA config */
338 #define HPC3_PBUS_CH3_CFGDMA_SIZE    0x01ff
339 
340 #define HPC3_PBUS_CH4_CFGDMA  0x0005c800          /* PBus Ch. 4 DMA config */
341 #define HPC3_PBUS_CH4_CFGDMA_SIZE    0x01ff
342 
343 #define HPC3_PBUS_CH5_CFGDMA  0x0005ca00          /* PBus Ch. 5 DMA config */
344 #define HPC3_PBUS_CH5_CFGDMA_SIZE    0x01ff
345 
346 #define HPC3_PBUS_CH6_CFGDMA  0x0005cc00          /* PBus Ch. 6 DMA config */
347 #define HPC3_PBUS_CH6_CFGDMA_SIZE    0x01ff
348 
349 #define HPC3_PBUS_CH7_CFGDMA  0x0005ce00          /* PBus Ch. 7 DMA config */
350 #define HPC3_PBUS_CH7_CFGDMA_SIZE    0x01ff
351 
352 #define HPC3_PBUS_CFGPIO_REGS 0x0005d000          /* PBus PIO config registers */
353 #define HPC3_PBUS_CFGPIO_REGS_SIZE   0x0fff
354 
355 #define HPC3_PBUS_CH0_CFGPIO  0x0005d000          /* PBus Ch. 0 PIO config */
356 #define HPC3_PBUS_CH1_CFGPIO  0x0005d100          /* PBus Ch. 1 PIO config */
357 #define HPC3_PBUS_CH2_CFGPIO  0x0005d200          /* PBus Ch. 2 PIO config */
358 #define HPC3_PBUS_CH3_CFGPIO  0x0005d300          /* PBus Ch. 3 PIO config */
359 #define HPC3_PBUS_CH4_CFGPIO  0x0005d400          /* PBus Ch. 4 PIO config */
360 #define HPC3_PBUS_CH5_CFGPIO  0x0005d500          /* PBus Ch. 5 PIO config */
361 #define HPC3_PBUS_CH6_CFGPIO  0x0005d600          /* PBus Ch. 6 PIO config */
362 #define HPC3_PBUS_CH7_CFGPIO  0x0005d700          /* PBus Ch. 7 PIO config */
363 #define HPC3_PBUS_CH8_CFGPIO  0x0005d800          /* PBus Ch. 8 PIO config */
364 #define HPC3_PBUS_CH9_CFGPIO  0x0005d900          /* PBus Ch. 9 PIO config */
365 #define HPC3_PBUS_CH8_CFGPIO_2          0x0005da00          /* PBus Ch. 8 PIO config */
366 #define HPC3_PBUS_CH9_CFGPIO_2          0x0005db00          /* PBus Ch. 9 PIO config */
367 #define HPC3_PBUS_CH8_CFGPIO_3          0x0005dc00          /* PBus Ch. 8 PIO config */
368 #define HPC3_PBUS_CH9_CFGPIO_3          0x0005dd00          /* PBus Ch. 9 PIO config */
369 #define HPC3_PBUS_CH8_CFGPIO_4          0x0005de00          /* PBus Ch. 8 PIO config */
370 #define HPC3_PBUS_CH9_CFGPIO_4          0x0005df00          /* PBus Ch. 9 PIO config */
371 
372 #define HPC3_PBUS_PROM_WE     0x0005e000          /* PBus boot-prom write
373                                                              * enable register
374                                                              */
375 
376 #define HPC3_PBUS_PROM_SWAP   0x0005e800          /* PBus boot-prom chip-select
377                                                              * swap register
378                                                              */
379 
380 #define HPC3_PBUS_GEN_OUT     0x0005f000          /* PBus general-purpose output
381                                                              * register
382                                                              */
383 
384 #define HPC3_PBUS_BBRAM                 0x00060000          /* PBus battery-backed RAM
385                                                              * external registers
386                                                              */
387 
388 /* HPC1/HPC1.5 differs from HPC3 in several details. */
389 
390 #define HPC1_HDD_CTL_EOCHAIN  0x80000000          /* End of descriptor chain */
391 #define HPC1_HDD_CTL_EOPACKET 0x80000000          /* Ethernet: end of packet */
392 #define HPC1_HDD_CTL_INTR     0x00008000          /* Interrupt when finished */
393 #define HPC1_HDD_CTL_OWN      0x40000000          /* CPU owns this frame */
394 #define HPC1_HDD_CTL_BYTECNT(x)         ((x) & 0x1fff)      /* Byte count: for ethernet */
395 #define HPC1_BIGENDIAN                  0x000000c0          /* Endianness:5 revision:2 */
396 #define   HPC1_REVSHIFT                 0x00000006          /* Revision rshft */
397 #define   HPC1_REVMASK                  0x00000003          /* Revision mask */
398 #define HPC1_REV15            0x00000001          /* HPC Revision 1.5 */
399 #define HPC1_SCSI0_REGS                 0x00000088
400 #define HPC1_SCSI0_REGS_SIZE  0x00000018
401 #define HPC1_SCSI0_CBP                  0x00000004          /* Current buffer ptr */
402 #define HPC1_SCSI0_NDBP                 0x00000008          /* Next descriptor ptr */
403 #define HPC1_SCSI0_BC                   0x00000000          /* DMA byte count & flags */
404 #define HPC1_SCSI0_CTL                  0x0000000c          /* DMA control flags */
405 #define HPC1_SCSI0_DEV                  0x00000014          /* Device DMA FIFO pointer */
406 #define HPC1_SCSI0_DMACFG     0x00000010          /* DMA configuration */
407 #define HPC1_SCSI0_GIO                  0x00001008          /* GIO DMA FIFO pointer */
408 #define HPC1_SCSI0_PIOCFG     0x00001014          /* PIO configuration */
409 #define HPC1_SCSI_DMACTL_RESET  0x01 /* Reset dma channel and ext. controller */
410 #define HPC1_SCSI_DMACTL_FLUSH  0x02 /* Flush DMA FIFO's */
411 #define HPC1_SCSI_DMACTL_DIR  0x10 /* DMA direction: 1=dev->mem, 0=mem->dev */
412 #define HPC1_SCSI_DMACTL_ACTIVE 0x80 /* DMA channel is active */
413 #define HPC1_ENET_REGS                  0x00000000          /* Ethernet registers */
414 #define HPC1_ENET_REGS_SIZE   0x00000100
415 #define HPC1_ENET_INTDELAY    0x0000002c          /* Interrupt Delay Count */
416 #define HPC1_ENET_INTDELAY_OFF          0x01000000          /* Disable Interrupt Delay */
417 #define HPC1_ENETR_CBP                  0x00000054          /* Recv: Current buffer ptr */
418 #define HPC1_ENETR_NDBP                 0x00000050          /* Recv: Next descriptor ptr */
419 #define HPC1_ENETR_BC                   0x00000048          /* Recv: DMA byte cnt/flags */
420 #define HPC1_ENETR_CTL                  0x00000038          /* Recv: DMA control flags */
421 #define HPC1_ENETR_CTL_ACTIVE 0x00004000          /* DMA channel active? */
422 #define HPC1_ENETR_RESET      0x0000003c          /* Recv: Ethernet chip reset */
423 #define HPC1_ENETR_RESET_CH   0x0001              /* Reset controller & chan */
424 #define HPC1_ENETR_RESET_CLRINT         0x0002              /* Clear channel interrupt */
425 #define HPC1_ENETR_RESET_LOOPBK         0x0004              /* External loopback enable */
426 #define HPC1_ENETR_RESET_CLRRBO         0x0008              /* Clear RBO condition (??) */
427 #define HPC1_ENETX_CBP                  0x00000020          /* Xmit: Current buffer ptr */
428 #define HPC1_ENETX_NDBP                 0x00000010          /* Xmit: Next descriptor ptr */
429 #define HPC1_ENETX_CFXBP      0x00000024          /* Xmit: Current first buf */
430 #define   HPC1_ENETX_PFXBP    0x00000028          /* Xmit: Prev. first buf */
431 #define HPC1_ENETX_BC                   0x00000014          /* Xmit: DMA byte cnt/flags */
432 #define HPC1_ENETX_CTL                  0x00000034          /* Xmit: DMA control flags */
433 #define HPC1_ENETX_CTL_ACTIVE 0x00400000
434 #define HPC1_ENETR_FIFO                 0x0002c000          /* Ether recv DMA FIFO */
435 #define HPC1_ENETR_FIFO_SIZE  0x00001fff          /* Ether recv DMA FIFO size */
436 #define HPC1_ENETX_FIFO                 0x0002e000          /* Ether xmit DMA FIFO */
437 #define HPC1_ENETX_FIFO_SIZE  0x00001fff          /* Ether xmit DMA FIFO size */
438 #define HPC1_SCSI0_DEVREGS    0x0000011f
439 #define HPC1_SCSI0_DEVREGS_SIZE         0x00000008
440 #define HPC1_ENET_DEVREGS     0x00000100          /* Ethernet chip registers */
441 #define HPC1_ENET_DEVREGS_SIZE          0x00000020          /* Size of chip registers */
442 #define HPC1_PBUS_BBRAM                 0x00000e00          /* PBus battery-backed RAM */
443 #define   HPC1_LPT_REGS                 0x000000a8          /* LPT HPC Registers */
444 #define   HPC1_LPT_REGS_SIZE  0x00000018
445 #define   HPC1_LPT_BC                   0x00000000          /* Byte Count */
446 #define   HPC1_LPT_CBP                  0x00000004          /* Current Buffer Ptr */
447 #define HPC1_LPT_NDBP                   0x00000008          /* Next Buffer Ptr */
448 #define   HPC1_LPT_CTL                  0x0000000c          /* DMA Control Flags */
449 #define HPC1_LPT_DEV                    0x00000010          /* DMA Fifo Ptr */
450 #define HPC1_LPT_DMACFG                 0x00000014          /* DMA Configuration */
451 #define HPC1_LPT_DEVREGS      0x00000132          /* Ext. Parallel Registers */
452 #define   HPC1_LPT_DEVREGS_SIZE         0x00000001          /* Size of External Registers */
453 
454 /* AUX regs on the primary HPC */
455 #define HPC1_AUX_REGS                   0x000001bf          /* EEPROM/LED Control (byte) */
456 #define HPC1_AUX_CONSLED      0x01                /* Console LED */
457 
458 #endif    /* _ARCH_SGIMIPS_HPC_HPCREG_H_ */
459