ixp425reg.h revision 1.2 1 /* $NetBSD: ixp425reg.h,v 1.2 2003/05/24 23:48:44 ichiro Exp $ */
2 /*
3 * Copyright (c) 2003
4 * Ichiro FUKUHARA <ichiro (at) ichiro.org>.
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. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Ichiro FUKUHARA.
18 * 4. The name of the company nor the name of the author may be used to
19 * endorse or promote products derived from this software without specific
20 * prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
26 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35 #ifndef _IXP425REG_H_
36 #define _IXP425REG_H_
37
38 /*
39 * Physical memory map for the Intel IXP425
40 */
41 /*
42 * CC00 00FF ---------------------------
43 * SDRAM Configuration Registers
44 * CC00 0000 ---------------------------
45 *
46 * C800 BFFF ---------------------------
47 * System and Peripheral Registers
48 * C800 0000 ---------------------------
49 * Expansion Bus Configuration Registers
50 * C400 0000 ---------------------------
51 * PCI Configuration and Status Registers
52 * C000 0000 ---------------------------
53 *
54 * 6400 0000 ---------------------------
55 * Queue manager
56 * 6000 0000 ---------------------------
57 * Expansion Bus Data
58 * 5000 0000 ---------------------------
59 * PCI Data
60 * 4800 0000 ---------------------------
61 *
62 * 4000 0000 ---------------------------
63 * SDRAM
64 * 1000 0000 ---------------------------
65 */
66
67 /*
68 * Virtual memory map for the Intel IXP425 integrated devices
69 */
70 /*
71 * FFFF FFFF ---------------------------
72 *
73 * F001 2000 ---------------------------
74 * PCI Configuration and Status Registers
75 * F001 1000 ---------------------------
76 * Expansion bus Configuration Registers
77 * F001 0000 ---------------------------
78 * System and Peripheral Registers
79 * VA F000 0000 = PA C800 0000 (SIZE 0x10000)
80 * F000 0000 ---------------------------
81 *
82 * 0000 0000 ---------------------------
83 *
84 */
85
86 /* Physical/Virtual address for I/O space */
87
88 #define IXP425_IO_VBASE 0xf0000000UL
89 #define IXP425_IO_HWBASE 0xc8000000UL
90 #define IXP425_IO_SIZE 0x00010000UL
91
92 /* Offset */
93
94 #define IXP425_UART0_OFFSET 0x00000000UL
95 #define IXP425_UART1_OFFSET 0x00001000UL
96 #define IXP425_PMC_OFFSET 0x00002000UL
97 #define IXP425_INTR_OFFSET 0x00003000UL
98 #define IXP425_GPIO_OFFSET 0x00004000UL
99 #define IXP425_TIMER_OFFSET 0x00005000UL
100 #define IXP425_HSS_OFFSET 0x00006000UL /* Not User Programmable */
101 #define IXP425_NPE_A_OFFSET 0x00007000UL /* Not User Programmable */
102 #define IXP425_NPE_B_OFFSET 0x00008000UL /* Not User Programmable */
103 #define IXP425_MAC_A_OFFSET 0x00009000UL
104 #define IXP425_MAC_B_OFFSET 0x0000a000UL
105 #define IXP425_USB_OFFSET 0x0000b000UL
106
107 #define IXP425_REG_SIZE 0x1000
108
109 /*
110 * UART
111 * UART0 0xc8000000
112 * UART1 0xc8001000
113 *
114 */
115 /* I/O space */
116 #define IXP425_UART0_HWBASE (IXP425_IO_HWBASE + IXP425_UART0_OFFSET)
117 #define IXP425_UART1_HWBASE (IXP425_IO_HWBASE + IXP425_UART1_OFFSET)
118
119 #define IXP425_UART0_VBASE (IXP425_IO_VBASE + IXP425_UART0_OFFSET)
120 #define IXP425_UART1_VBASE (IXP425_IO_VBASE + IXP425_UART1_OFFSET)
121
122 /* registers */
123 /* Buffer and Divisor */
124 #define IXP425_UART_DATA 0x0000
125 #define IXP425_UART_DLL 0x0000 /* Divisor Latch Low */
126 #define IXP425_UART_DLH 0x0004 /* Divisor Latch High */
127
128 /* Interrupt Enable Register */
129 #define IXP425_UART_IER 0x0004
130 #define IER_DMAE (1U << 7) /* Enable DMA Requests */
131 #define IER_UUE (1U << 6) /* Enable UART UNIT */
132 #define IER_NRZE (1U << 5) /* Enable NRZ coding */
133 #define IER_RTOIE (1U << 4) /* Enable receiver T/O interrupt */
134 #define IER_RIE (1U << 3) /* Enable modem interrupt */
135 #define IER_RLSE (1U << 2) /* Enable line status interrupt */
136 #define IER_TIE (1U << 1) /* Enable transmitter interrupt */
137 #define IER_RAVIE (1U << 0) /* Enable receiver interrupt */
138
139 /* Interrupt Identification Register */
140 #define IXP425_UART_IIR 0x0008
141 #define IIR_NOPEND (1U << 0) /* No pending interrupts */
142 #define IIR_MLSC (0U << 1) /* Modem status */
143 #define IIR_TXRDY (1U << 1) /* Transmitter ready */
144 #define IIR_RXRDY (2U << 1) /* Receiver ready */
145 #define IIR_RXERR (2U << 1) /* Receiver error */
146 #define IIR_TOD (1U << 3) /* Time Out interrupt pending */
147 #define IIR_FIFOS (3U << 6) /* FIFO mode enable */
148
149 /* FIFO control */
150 #define IXP425_UART_FCR 0x0008
151 #define FCR_TRIGGER_1 (0U << 6) /* ITL 0 */
152 #define FCR_TRIGGER_8 (1U << 6) /* ITL 0 */
153 #define FCR_TRIGGER_16 (2U << 6) /* ITL 0 */
154 #define FCR_TRIGGER_32 (3U << 6) /* ITL 0 */
155 #define FCR_RESETTF (1U << 2) /* Reset TX FIFO */
156 #define FCR_RESETRF (1U << 1) /* Reset RX FIFO */
157 #define FCR_ENABLE (1U << 0) /* Enable FIFO */
158
159 /* Line control */
160 #define IXP425_UART_LCR 0x000c
161 #define LCR_DLAB (1U << 7) /* Divisor latch access enable */
162 #define LCR_SBREAK (1U << 6) /* Break Control */
163 #define LCR_PEVEN (1U << 4) /* Even-Parity */
164 #define LCR_PODD (0U << 4) /* Even-Parity */
165 #define LCR_PENE (1U << 3) /* Enable parity */
166 #define LCR_PNONE (0U << 3) /* No parity */
167 #define LCR_1STOP (0U << 2) /* 1 Stop Bit */
168 #define LCR_2STOP (1U << 2) /* 2 Stop Bit */
169 #define LCR_8BITS (3U << 0) /* 8 bits per serial word */
170 #define LCR_7BITS (2U << 0) /* 7 bits per serial word */
171 #define LCR_6BITS (1U << 0) /* 6 bits per serial word */
172 #define LCR_5BITS (0U << 0) /* 5 bits per serial word */
173
174 /* Modem control */
175 #define IXP425_UART_MCR 0x0010
176 #define MCR_LOOPBACK (1U << 4) /* Loop test */
177 #define MCR_IENABLE (1U << 3) /* Out2: enables UART interrupts */
178 #define MCR_DRS (1U << 2) /* Out1: resets some internal modems */
179 #define MCR_RTS (1U << 1) /* Request To Send */
180 #define MCR_DTR (1U << 0) /* Data Terminal Ready */
181
182 /* Line Status Register */
183 #define IXP425_UART_LSR 0x0014
184 #define LSR_FIFOE (1U << 7)
185 #define LSR_TEMT (1U << 6) /* Transmitter empty: byte sent */
186 #define LSR_TDRQ (1U << 5) /* Transmitter buffer empty */
187 #define LSR_BI (1U << 4) /* Break detected */
188 #define LSR_FE (1U << 3) /* Framing error: bad stop bit */
189 #define LSR_PE (1U << 2) /* Parity error */
190 #define LSR_OE (1U << 1) /* Overrun, lost incoming byte */
191 #define LSR_DR (1U << 0) /* Byte ready in Receive Buffer */
192
193 /* Modem Status Register */
194 #define IXP425_UART_MSR 0x0018
195 #define MSR_DCD (1U << 7) /* Current Data Carrier Detect */
196 #define MSR_RI (1U << 6) /* Current Ring Indicator */
197 #define MSR_DSR (1U << 5) /* Current Data Set Ready */
198 #define MSR_CTS (1U << 4) /* Current Clear to Send */
199 #define MSR_DDCD (1U << 3) /* DCD has changed state */
200 #define MSR_TERI (1U << 2) /* RI has toggled low to high */
201 #define MSR_DDSR (1U << 1) /* DSR has changed state */
202 #define MSR_DCTS (1U << 0) /* CTS has changed state */
203
204 /* Scratch Pad Status Register */
205 #define IXP425_UART_SPR 0x001C
206
207 /* Slow Infrared Select Status Register */
208 #define IXP425_UART_ISR 0x0020
209
210 #define IXP4XX_COM_NPORTS 8
211
212 /*
213 * Timers
214 *
215 */
216
217 #define IXP425_OST_TIM0 0x0004
218 #define IXP425_OST_TIM1 0x000C
219
220 #define IXP425_OST_TIM0_RELOAD 0x0008
221 #define IXP425_OST_TIM1_RELOAD 0x0010
222 #define TIMERRELOAD_MASK 0xFFFFFFFC
223 #define OST_ONESHOT_EN (1U << 1)
224 #define OST_TIMER_EN (1U << 0)
225
226 #define IXP425_OST_STATUS 0x0020
227 #define OST_WARM_RESET (1U << 4)
228 #define OST_WDOG_INT (1U << 3)
229 #define OST_TS_INT (1U << 2)
230 #define OST_TIM1_INT (1U << 1)
231 #define OST_TIM0_INT (1U << 0)
232
233 /*
234 * Interrupt Controller Unit.
235 *
236 */
237
238 #define IXP425_IRQ_HWBASE IXP425_IO_HWBASE + IXP425_INTR_OFFSET
239 #define IXP425_IRQ_VBASE IXP425_IO_VBASE + IXP425_INTR_OFFSET
240 #define IXP425_IRQ_SIZE 0x00000020UL
241
242 #define IXP425_INT_STATUS (IXP425_IRQ_VBASE + 0x00)
243 #define IXP425_INT_ENABLE (IXP425_IRQ_VBASE + 0x04)
244 #define IXP425_INT_SELECT (IXP425_IRQ_VBASE + 0x08)
245 #define IXP425_IRQ_STATUS (IXP425_IRQ_VBASE + 0x0C)
246 #define IXP425_FIQ_STATUS (IXP425_IRQ_VBASE + 0x10)
247 #define IXP425_INT_PRTY (IXP425_IRQ_VBASE + 0x14)
248 #define IXP425_IRQ_ENC (IXP425_IRQ_VBASE + 0x18)
249 #define IXP425_FIQ_ENC (IXP425_IRQ_VBASE + 0x1C)
250
251 #define IXP425_INT_SW1 31 /* SW Interrupt 1 */
252 #define IXP425_INT_SW0 30 /* SW Interrupt 0 */
253 #define IXP425_INT_GPIO_12 29 /* GPIO 12 */
254 #define IXP425_INT_GPIO_11 28 /* GPIO 11 */
255 #define IXP425_INT_GPIO_10 27 /* GPIO 11 */
256 #define IXP425_INT_GPIO_9 26 /* GPIO 9 */
257 #define IXP425_INT_GPIO_8 25 /* GPIO 8 */
258 #define IXP425_INT_GPIO_7 24 /* GPIO 7 */
259 #define IXP425_INT_GPIO_6 23 /* GPIO 6 */
260 #define IXP425_INT_GPIO_5 22 /* GPIO 5 */
261 #define IXP425_INT_GPIO_4 21 /* GPIO 4 */
262 #define IXP425_INT_GPIO_3 20 /* GPIO 3 */
263 #define IXP425_INT_GPIO_2 19 /* GPIO 2 */
264 #define IXP425_INT_XPMU 18 /* XScale PMU */
265 #define IXP425_INT_PMU 17 /* PMU */
266 #define IXP425_INT_WDOG 16 /* Watchdog Timer */
267 #define IXP425_INT_UART1 15 /* Console UART */
268 #define IXP425_INT_STAMP 14 /* Timestamp Timer */
269 #define IXP425_INT_UART0 13 /* HighSpeed UART */
270 #define IXP425_INT_USB 12 /* USB */
271 #define IXP425_INT_TMR1 11 /* General-Purpose Timer1 */
272 #define IXP425_INT_PCIDMA2 10 /* PCI DMA Channel 2 */
273 #define IXP425_INT_PCIDMA1 9 /* PCI DMA Channel 1 */
274 #define IXP425_INT_PCIINT 8 /* PCI Interrupt */
275 #define IXP425_INT_GPIO_1 7 /* GPIO 1 */
276 #define IXP425_INT_GPIO_0 6 /* GPIO 0 */
277 #define IXP425_INT_TMR0 5 /* General-Purpose Timer0 */
278 #define IXP425_INT_QUE33_64 4 /* Queue Manager 33-64 */
279 #define IXP425_INT_QUE1_32 3 /* Queue Manager 1-32 */
280 #define IXP425_INT_NPE_B 2 /* Ethernet NPE B */
281 #define IXP425_INT_NPE_A 1 /* Ethernet NPE A */
282 #define IXP425_INT_HSS 0 /* WAN/HSS NPE */
283
284 /*
285 * software interrupt
286 */
287 #define IXP425_INT_bit31 31
288 #define IXP425_INT_bit30 30
289 #define IXP425_INT_bit29 29
290 #define IXP425_INT_bit22 22
291
292 #define IXP425_INT_HWMASK (0xffffffff & \
293 ~((1 << IXP425_INT_bit31) | \
294 (1 << IXP425_INT_bit30) | \
295 (1 << IXP425_INT_bit29) | \
296 (1 << IXP425_INT_bit22)))
297
298 /*
299 * Expansion Bus
300 */
301 #define IXP425_EXP_HWBASE 0xc4000000UL
302 #define IXP425_EXP_VBASE (IXP425_IO_VBASE + IXP425_IO_SIZE)
303 #define IXP425_EXP_SIZE IXP425_REG_SIZE
304
305 /* offset */
306 #define EXP_TIMING_CS0_OFFSET 0x0000
307 #define EXP_TIMING_CS1_OFFSET 0x0004
308 #define EXP_TIMING_CS2_OFFSET 0x0008
309 #define EXP_TIMING_CS3_OFFSET 0x000c
310 #define EXP_TIMING_CS4_OFFSET 0x0010
311 #define EXP_TIMING_CS5_OFFSET 0x0014
312 #define EXP_TIMING_CS6_OFFSET 0x0018
313 #define EXP_TIMING_CS7_OFFSET 0x001c
314
315 #define IXP425_EXP_RECOVERY_SHIFT 16
316 #define IXP425_EXP_HOLD_SHIFT 20
317 #define IXP425_EXP_STROBE_SHIFT 22
318 #define IXP425_EXP_SETUP_SHIFT 26
319 #define IXP425_EXP_ADDR_SHIFT 28
320 #define IXP425_EXP_CS_EN (1U << 31)
321
322 #define IXP425_EXP_RECOVERY_T(x) (((x) & 15) << IXP425_EXP_RECOVERY_SHIFT)
323 #define IXP425_EXP_HOLD_T(x) (((x) & 3) << IXP425_EXP_HOLD_SHIFT)
324 #define IXP425_EXP_STROBE_T(x) (((x) & 15) << IXP425_EXP_STROBE_SHIFT)
325 #define IXP425_EXP_SETUP_T(x) (((x) & 3) << IXP425_EXP_SETUP_SHIFT)
326 #define IXP425_EXP_ADDR_T(x) (((x) & 3) << IXP425_EXP_SETUP_SHIFT)
327
328 // EXP_CSn bits
329 #define EXP_BYTE_EN (1 << 0)
330 #define EXP_WR_EN (1 << 1)
331 #define EXP_SPLT_EN (1 << 3)
332 #define EXP_MUX_EN (1 << 4)
333 #define EXP_HRDY_POL (1 << 5)
334 #define EXP_BYTE_RD16 (1 << 6)
335 #define EXP_SZ_512 (0 << 10)
336 #define EXP_SZ_1K (1 << 10)
337 #define EXP_SZ_2K (2 << 10)
338 #define EXP_SZ_4K (3 << 10)
339 #define EXP_SZ_8K (4 << 10)
340 #define EXP_SZ_16K (5 << 10)
341 #define EXP_SZ_32K (6 << 10)
342 #define EXP_SZ_64K (7 << 10)
343 #define EXP_SZ_128K (8 << 10)
344 #define EXP_SZ_256K (9 << 10)
345 #define EXP_SZ_512K (10 << 10)
346 #define EXP_SZ_1M (11 << 10)
347 #define EXP_SZ_2M (12 << 10)
348 #define EXP_SZ_4M (13 << 10)
349 #define EXP_SZ_8M (14 << 10)
350 #define EXP_SZ_16M (15 << 10)
351 #define EXP_CYC_INTEL (0 << 14)
352 #define EXP_CYC_MOTO (1 << 14)
353 #define EXP_CYC_HPI (2 << 14)
354
355 // EXP_CNFG0 bits
356 #define EXP_CNFG0_8BIT (1 << 0)
357 #define EXP_CNFG0_PCI_HOST (1 << 1)
358 #define EXP_CNFG0_PCI_ARB (1 << 2)
359 #define EXP_CNFG0_PCI_66MHZ (1 << 4)
360 #define EXP_CNFG0_MEM_MAP (1 << 31)
361
362 // EXP_CNFG1 bits
363 #define EXP_CNFG1_SW_INT0 (1 << 0)
364 #define EXP_CNFG1_SW_INT1 (1 << 1)
365
366 /*
367 * PCI
368 */
369 /* PCI Configuration Registers */
370 #define IXP425_PCI_HWBASE 0xc0000000
371 #define IXP425_PCI_VBASE (IXP425_EXP_VBASE + IXP425_EXP_SIZE)
372 #define IXP425_PCI_SIZE IXP425_REG_SIZE /* 0x1000 */
373
374 /*
375 * Performance Monitoring Unit (CP14)
376 *
377 * CP14.0.1 Performance Monitor Control Register(PMNC)
378 * CP14.1.1 Clock Counter(CCNT)
379 * CP14.4.1 Interrupt Enable Register(INTEN)
380 * CP14.5.1 Overflow Flag Register(FLAG)
381 * CP14.8.1 Event Selection Register(EVTSEL)
382 * CP14.0.2 Performance Counter Register 0(PMN0)
383 * CP14.1.2 Performance Counter Register 0(PMN1)
384 * CP14.2.2 Performance Counter Register 0(PMN2)
385 * CP14.3.2 Performance Counter Register 0(PMN3)
386 */
387
388 #define PMNC_E 0x00000001 /* enable all counters */
389 #define PMNC_P 0x00000002 /* reset all PMNs to 0 */
390 #define PMNC_C 0x00000004 /* clock counter reset */
391 #define PMNC_D 0x00000008 /* clock counter / 64 */
392
393 #define INTEN_CC_IE 0x00000001 /* enable clock counter interrupt */
394 #define INTEN_PMN0_IE 0x00000002 /* enable PMN0 interrupt */
395 #define INTEN_PMN1_IE 0x00000004 /* enable PMN1 interrupt */
396 #define INTEN_PMN2_IE 0x00000008 /* enable PMN2 interrupt */
397 #define INTEN_PMN3_IE 0x00000010 /* enable PMN3 interrupt */
398
399 #define FLAG_CC_IF 0x00000001 /* clock counter overflow */
400 #define FLAG_PMN0_IF 0x00000002 /* PMN0 overflow */
401 #define FLAG_PMN1_IF 0x00000004 /* PMN1 overflow */
402 #define FLAG_PMN2_IF 0x00000008 /* PMN2 overflow */
403 #define FLAG_PMN3_IF 0x00000010 /* PMN3 overflow */
404
405 #define EVTSEL_EVCNT_MASK 0x0000000ff /* event to count for PMNs */
406 #define PMNC_EVCNT0_SHIFT 0
407 #define PMNC_EVCNT1_SHIFT 8
408 #define PMNC_EVCNT2_SHIFT 16
409 #define PMNC_EVCNT3_SHIFT 24
410
411 #endif /* _IXP425REG_H_ */
412