[atheros] fix GPIO direction setup on ar5312, and fix compiler warnings
[openwrt.git] / target / linux / atheros / files / include / asm-mips / mach-atheros / ar5315 / ar5315.h
1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2003 Atheros Communications, Inc., All Rights Reserved.
7 * Copyright (C) 2006 FON Technology, SL.
8 * Copyright (C) 2006 Imre Kaloz <kaloz@openwrt.org>
9 * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
10 */
11
12 #ifndef AR5315_H
13 #define AR5315_H
14
15 /*
16 * IRQs
17 */
18 #define AR5315_IRQ_MISC_INTRS MIPS_CPU_IRQ_BASE+2 /* C0_CAUSE: 0x0400 */
19 #define AR5315_IRQ_WLAN0_INTRS MIPS_CPU_IRQ_BASE+3 /* C0_CAUSE: 0x0800 */
20 #define AR5315_IRQ_ENET0_INTRS MIPS_CPU_IRQ_BASE+4 /* C0_CAUSE: 0x1000 */
21 #define AR5315_IRQ_LCBUS_PCI MIPS_CPU_IRQ_BASE+5 /* C0_CAUSE: 0x2000 */
22 #define AR5315_IRQ_WLAN0_POLL MIPS_CPU_IRQ_BASE+6 /* C0_CAUSE: 0x4000 */
23
24
25 /*
26 * Address map
27 */
28 #define AR5315_SDRAM0 0x00000000 /* DRAM */
29 #define AR5315_SPI_READ 0x08000000 /* SPI FLASH */
30 #define AR5315_WLAN0 0xB0000000 /* Wireless MMR */
31 #define AR5315_PCI 0xB0100000 /* PCI MMR */
32 #define AR5315_SDRAMCTL 0xB0300000 /* SDRAM MMR */
33 #define AR5315_LOCAL 0xB0400000 /* LOCAL BUS MMR */
34 #define AR5315_ENET0 0xB0500000 /* ETHERNET MMR */
35 #define AR5315_DSLBASE 0xB1000000 /* RESET CONTROL MMR */
36 #define AR5315_UART0 0xB1100003 /* UART MMR */
37 #define AR5315_SPI 0xB1300000 /* SPI FLASH MMR */
38 #define AR5315_FLASHBT 0xBfc00000 /* ro boot alias to FLASH */
39 #define AR5315_RAM1 0x40000000 /* ram alias */
40 #define AR5315_PCIEXT 0x80000000 /* pci external */
41 #define AR5315_RAM2 0xc0000000 /* ram alias */
42 #define AR5315_RAM3 0xe0000000 /* ram alias */
43
44 /*
45 * Reset Register
46 */
47 #define AR5315_COLD_RESET (AR5315_DSLBASE + 0x0000)
48
49 /* Cold Reset */
50 #define RESET_COLD_AHB 0x00000001
51 #define RESET_COLD_APB 0x00000002
52 #define RESET_COLD_CPU 0x00000004
53 #define RESET_COLD_CPUWARM 0x00000008
54 #define RESET_SYSTEM (RESET_COLD_CPU | RESET_COLD_APB | RESET_COLD_AHB) /* full system */
55
56 #define AR5317_RESET_SYSTEM 0x00000010
57
58 /* Warm Reset */
59
60 #define AR5315_RESET (AR5315_DSLBASE + 0x0004)
61
62 #define AR5315_RESET_WARM_WLAN0_MAC 0x00000001 /* warm reset WLAN0 MAC */
63 #define AR5315_RESET_WARM_WLAN0_BB 0x00000002 /* warm reset WLAN0 BaseBand */
64 #define AR5315_RESET_MPEGTS_RSVD 0x00000004 /* warm reset MPEG-TS */
65 #define AR5315_RESET_PCIDMA 0x00000008 /* warm reset PCI ahb/dma */
66 #define AR5315_RESET_MEMCTL 0x00000010 /* warm reset memory controller */
67 #define AR5315_RESET_LOCAL 0x00000020 /* warm reset local bus */
68 #define AR5315_RESET_I2C_RSVD 0x00000040 /* warm reset I2C bus */
69 #define AR5315_RESET_SPI 0x00000080 /* warm reset SPI interface */
70 #define AR5315_RESET_UART0 0x00000100 /* warm reset UART0 */
71 #define AR5315_RESET_IR_RSVD 0x00000200 /* warm reset IR interface */
72 #define AR5315_RESET_EPHY0 0x00000400 /* cold reset ENET0 phy */
73 #define AR5315_RESET_ENET0 0x00000800 /* cold reset ENET0 mac */
74
75 /*
76 * AHB master arbitration control
77 */
78 #define AR5315_AHB_ARB_CTL (AR5315_DSLBASE + 0x0008)
79
80 #define ARB_CPU 0x00000001 /* CPU, default */
81 #define ARB_WLAN 0x00000002 /* WLAN */
82 #define ARB_MPEGTS_RSVD 0x00000004 /* MPEG-TS */
83 #define ARB_LOCAL 0x00000008 /* LOCAL */
84 #define ARB_PCI 0x00000010 /* PCI */
85 #define ARB_ETHERNET 0x00000020 /* Ethernet */
86 #define ARB_RETRY 0x00000100 /* retry policy, debug only */
87
88 /*
89 * Config Register
90 */
91 #define AR5315_ENDIAN_CTL (AR5315_DSLBASE + 0x000c)
92
93 #define AR5315_CONFIG_AHB 0x00000001 /* EC - AHB bridge endianess */
94 #define AR5315_CONFIG_WLAN 0x00000002 /* WLAN byteswap */
95 #define AR5315_CONFIG_MPEGTS_RSVD 0x00000004 /* MPEG-TS byteswap */
96 #define AR5315_CONFIG_PCI 0x00000008 /* PCI byteswap */
97 #define AR5315_CONFIG_MEMCTL 0x00000010 /* Memory controller endianess */
98 #define AR5315_CONFIG_LOCAL 0x00000020 /* Local bus byteswap */
99 #define AR5315_CONFIG_ETHERNET 0x00000040 /* Ethernet byteswap */
100
101 #define AR5315_CONFIG_MERGE 0x00000200 /* CPU write buffer merge */
102 #define AR5315_CONFIG_CPU 0x00000400 /* CPU big endian */
103 #define AR5315_CONFIG_PCIAHB 0x00000800
104 #define AR5315_CONFIG_PCIAHB_BRIDGE 0x00001000
105 #define AR5315_CONFIG_SPI 0x00008000 /* SPI byteswap */
106 #define AR5315_CONFIG_CPU_DRAM 0x00010000
107 #define AR5315_CONFIG_CPU_PCI 0x00020000
108 #define AR5315_CONFIG_CPU_MMR 0x00040000
109 #define AR5315_CONFIG_BIG 0x00000400
110
111
112 /*
113 * NMI control
114 */
115 #define AR5315_NMI_CTL (AR5315_DSLBASE + 0x0010)
116
117 #define NMI_EN 1
118
119 /*
120 * Revision Register - Initial value is 0x3010 (WMAC 3.0, AR531X 1.0).
121 */
122 #define AR5315_SREV (AR5315_DSLBASE + 0x0014)
123
124 #define AR5315_REV_MAJ 0x00f0
125 #define AR5315_REV_MAJ_S 4
126 #define AR5315_REV_MIN 0x000f
127 #define AR5315_REV_MIN_S 0
128 #define AR5315_REV_CHIP (AR5315_REV_MAJ|AR5315_REV_MIN)
129
130 /*
131 * Interface Enable
132 */
133 #define AR5315_IF_CTL (AR5315_DSLBASE + 0x0018)
134
135 #define IF_MASK 0x00000007
136 #define IF_DISABLED 0
137 #define IF_PCI 1
138 #define IF_TS_LOCAL 2
139 #define IF_ALL 3 /* only for emulation with separate pins */
140 #define IF_LOCAL_HOST 0x00000008
141 #define IF_PCI_HOST 0x00000010
142 #define IF_PCI_INTR 0x00000020
143 #define IF_PCI_CLK_MASK 0x00030000
144 #define IF_PCI_CLK_INPUT 0
145 #define IF_PCI_CLK_OUTPUT_LOW 1
146 #define IF_PCI_CLK_OUTPUT_CLK 2
147 #define IF_PCI_CLK_OUTPUT_HIGH 3
148 #define IF_PCI_CLK_SHIFT 16
149
150
151 /* Major revision numbers, bits 7..4 of Revision ID register */
152 #define REV_MAJ_AR5311 0x01
153 #define REV_MAJ_AR5312 0x04
154 #define REV_MAJ_AR5315 0x0B
155
156 /*
157 * APB Interrupt control
158 */
159
160 #define AR5315_ISR (AR5315_DSLBASE + 0x0020)
161 #define AR5315_IMR (AR5315_DSLBASE + 0x0024)
162 #define AR5315_GISR (AR5315_DSLBASE + 0x0028)
163
164 #define AR5315_ISR_UART0 0x0001 /* high speed UART */
165 #define AR5315_ISR_I2C_RSVD 0x0002 /* I2C bus */
166 #define AR5315_ISR_SPI 0x0004 /* SPI bus */
167 #define AR5315_ISR_AHB 0x0008 /* AHB error */
168 #define AR5315_ISR_APB 0x0010 /* APB error */
169 #define AR5315_ISR_TIMER 0x0020 /* timer */
170 #define AR5315_ISR_GPIO 0x0040 /* GPIO */
171 #define AR5315_ISR_WD 0x0080 /* watchdog */
172 #define AR5315_ISR_IR_RSVD 0x0100 /* IR */
173
174 #define AR5315_GISR_MISC 0x0001
175 #define AR5315_GISR_WLAN0 0x0002
176 #define AR5315_GISR_MPEGTS_RSVD 0x0004
177 #define AR5315_GISR_LOCALPCI 0x0008
178 #define AR5315_GISR_WMACPOLL 0x0010
179 #define AR5315_GISR_TIMER 0x0020
180 #define AR5315_GISR_ETHERNET 0x0040
181
182 /*
183 * Interrupt routing from IO to the processor IP bits
184 * Define our inter mask and level
185 */
186 #define AR5315_INTR_MISCIO SR_IBIT3
187 #define AR5315_INTR_WLAN0 SR_IBIT4
188 #define AR5315_INTR_ENET0 SR_IBIT5
189 #define AR5315_INTR_LOCALPCI SR_IBIT6
190 #define AR5315_INTR_WMACPOLL SR_IBIT7
191 #define AR5315_INTR_COMPARE SR_IBIT8
192
193 /*
194 * Timers
195 */
196 #define AR5315_TIMER (AR5315_DSLBASE + 0x0030)
197 #define AR5315_RELOAD (AR5315_DSLBASE + 0x0034)
198 #define AR5315_WD (AR5315_DSLBASE + 0x0038)
199 #define AR5315_WDC (AR5315_DSLBASE + 0x003c)
200
201 #define WDC_RESET 0x00000002 /* reset on watchdog */
202 #define WDC_NMI 0x00000001 /* NMI on watchdog */
203 #define WDC_IGNORE_EXPIRATION 0x00000000
204
205 /*
206 * CPU Performance Counters
207 */
208 #define AR5315_PERFCNT0 (AR5315_DSLBASE + 0x0048)
209 #define AR5315_PERFCNT1 (AR5315_DSLBASE + 0x004c)
210
211 #define PERF_DATAHIT 0x0001 /* Count Data Cache Hits */
212 #define PERF_DATAMISS 0x0002 /* Count Data Cache Misses */
213 #define PERF_INSTHIT 0x0004 /* Count Instruction Cache Hits */
214 #define PERF_INSTMISS 0x0008 /* Count Instruction Cache Misses */
215 #define PERF_ACTIVE 0x0010 /* Count Active Processor Cycles */
216 #define PERF_WBHIT 0x0020 /* Count CPU Write Buffer Hits */
217 #define PERF_WBMISS 0x0040 /* Count CPU Write Buffer Misses */
218
219 #define PERF_EB_ARDY 0x0001 /* Count EB_ARdy signal */
220 #define PERF_EB_AVALID 0x0002 /* Count EB_AValid signal */
221 #define PERF_EB_WDRDY 0x0004 /* Count EB_WDRdy signal */
222 #define PERF_EB_RDVAL 0x0008 /* Count EB_RdVal signal */
223 #define PERF_VRADDR 0x0010 /* Count valid read address cycles */
224 #define PERF_VWADDR 0x0020 /* Count valid write address cycles */
225 #define PERF_VWDATA 0x0040 /* Count valid write data cycles */
226
227 /*
228 * AHB Error Reporting.
229 */
230 #define AR5315_AHB_ERR0 (AR5315_DSLBASE + 0x0050) /* error */
231 #define AR5315_AHB_ERR1 (AR5315_DSLBASE + 0x0054) /* haddr */
232 #define AR5315_AHB_ERR2 (AR5315_DSLBASE + 0x0058) /* hwdata */
233 #define AR5315_AHB_ERR3 (AR5315_DSLBASE + 0x005c) /* hrdata */
234 #define AR5315_AHB_ERR4 (AR5315_DSLBASE + 0x0060) /* status */
235
236 #define AHB_ERROR_DET 1 /* AHB Error has been detected, */
237 /* write 1 to clear all bits in ERR0 */
238 #define AHB_ERROR_OVR 2 /* AHB Error overflow has been detected */
239 #define AHB_ERROR_WDT 4 /* AHB Error due to wdt instead of hresp */
240
241 #define PROCERR_HMAST 0x0000000f
242 #define PROCERR_HMAST_DFLT 0
243 #define PROCERR_HMAST_WMAC 1
244 #define PROCERR_HMAST_ENET 2
245 #define PROCERR_HMAST_PCIENDPT 3
246 #define PROCERR_HMAST_LOCAL 4
247 #define PROCERR_HMAST_CPU 5
248 #define PROCERR_HMAST_PCITGT 6
249
250 #define PROCERR_HMAST_S 0
251 #define PROCERR_HWRITE 0x00000010
252 #define PROCERR_HSIZE 0x00000060
253 #define PROCERR_HSIZE_S 5
254 #define PROCERR_HTRANS 0x00000180
255 #define PROCERR_HTRANS_S 7
256 #define PROCERR_HBURST 0x00000e00
257 #define PROCERR_HBURST_S 9
258
259
260
261 /*
262 * Clock Control
263 */
264 #define AR5315_PLLC_CTL (AR5315_DSLBASE + 0x0064)
265 #define AR5315_PLLV_CTL (AR5315_DSLBASE + 0x0068)
266 #define AR5315_CPUCLK (AR5315_DSLBASE + 0x006c)
267 #define AR5315_AMBACLK (AR5315_DSLBASE + 0x0070)
268 #define AR5315_SYNCCLK (AR5315_DSLBASE + 0x0074)
269 #define AR5315_DSL_SLEEP_CTL (AR5315_DSLBASE + 0x0080)
270 #define AR5315_DSL_SLEEP_DUR (AR5315_DSLBASE + 0x0084)
271
272 /* PLLc Control fields */
273 #define PLLC_REF_DIV_M 0x00000003
274 #define PLLC_REF_DIV_S 0
275 #define PLLC_FDBACK_DIV_M 0x0000007C
276 #define PLLC_FDBACK_DIV_S 2
277 #define PLLC_ADD_FDBACK_DIV_M 0x00000080
278 #define PLLC_ADD_FDBACK_DIV_S 7
279 #define PLLC_CLKC_DIV_M 0x0001c000
280 #define PLLC_CLKC_DIV_S 14
281 #define PLLC_CLKM_DIV_M 0x00700000
282 #define PLLC_CLKM_DIV_S 20
283
284 /* CPU CLK Control fields */
285 #define CPUCLK_CLK_SEL_M 0x00000003
286 #define CPUCLK_CLK_SEL_S 0
287 #define CPUCLK_CLK_DIV_M 0x0000000c
288 #define CPUCLK_CLK_DIV_S 2
289
290 /* AMBA CLK Control fields */
291 #define AMBACLK_CLK_SEL_M 0x00000003
292 #define AMBACLK_CLK_SEL_S 0
293 #define AMBACLK_CLK_DIV_M 0x0000000c
294 #define AMBACLK_CLK_DIV_S 2
295
296 #if defined(COBRA_EMUL)
297 #define AR5315_AMBA_CLOCK_RATE 20000000
298 #define AR5315_CPU_CLOCK_RATE 40000000
299 #else
300 #if defined(DEFAULT_PLL)
301 #define AR5315_AMBA_CLOCK_RATE 40000000
302 #define AR5315_CPU_CLOCK_RATE 40000000
303 #else
304 #define AR5315_AMBA_CLOCK_RATE 92000000
305 #define AR5315_CPU_CLOCK_RATE 184000000
306 #endif /* ! DEFAULT_PLL */
307 #endif /* ! COBRA_EMUL */
308
309 #define AR5315_UART_CLOCK_RATE AR5315_AMBA_CLOCK_RATE
310 #define AR5315_SDRAM_CLOCK_RATE AR5315_AMBA_CLOCK_RATE
311
312 /*
313 * The UART computes baud rate as:
314 * baud = clock / (16 * divisor)
315 * where divisor is specified as a High Byte (DLM) and a Low Byte (DLL).
316 */
317 #define DESIRED_BAUD_RATE 38400
318
319
320 #define CLOCKCTL_UART0 0x0010 /* enable UART0 external clock */
321
322
323 /*
324 * Applicable "PCICFG" bits for WLAN(s). Assoc status and LED mode.
325 */
326 #define ASSOC_STATUS_M 0x00000003
327 #define ASSOC_STATUS_NONE 0
328 #define ASSOC_STATUS_PENDING 1
329 #define ASSOC_STATUS_ASSOCIATED 2
330 #define LED_MODE_M 0x0000001c
331 #define LED_BLINK_THRESHOLD_M 0x000000e0
332 #define LED_SLOW_BLINK_MODE 0x00000100
333
334 /*
335 * GPIO
336 */
337
338 #define AR5315_GPIO_DI (AR5315_DSLBASE + 0x0088)
339 #define AR5315_GPIO_DO (AR5315_DSLBASE + 0x0090)
340 #define AR5315_GPIO_CR (AR5315_DSLBASE + 0x0098)
341 #define AR5315_GPIO_INT (AR5315_DSLBASE + 0x00a0)
342
343 #define AR5315_GPIO_CR_M(x) (1 << (x)) /* mask for i/o */
344 #define AR5315_GPIO_CR_O(x) (1 << (x)) /* output */
345 #define AR5315_GPIO_CR_I(x) (0) /* input */
346
347 #define AR5315_GPIO_INT_S(x) (x) /* interrupt enable */
348 #define AR5315_GPIO_INT_M (0x3F) /* mask for int */
349 #define AR5315_GPIO_INT_LVL(x) ((x) << 6) /* interrupt level */
350 #define AR5315_GPIO_INT_LVL_M ((0x3) << 6) /* mask for int level */
351
352 #define AR5315_GPIO_INT_MAX_Y 1 /* Maximum value of Y for AR5313_GPIO_INT_* macros */
353 #define AR5315_GPIO_INT_LVL_OFF 0 /* Triggerring off */
354 #define AR5315_GPIO_INT_LVL_LOW 1 /* Low Level Triggered */
355 #define AR5315_GPIO_INT_LVL_HIGH 2 /* High Level Triggered */
356 #define AR5315_GPIO_INT_LVL_EDGE 3 /* Edge Triggered */
357
358 #define AR5315_RESET_GPIO 5
359 #define AR5315_NUM_GPIO 22
360
361
362 /*
363 * PCI Clock Control
364 */
365
366 #define AR5315_PCICLK (AR5315_DSLBASE + 0x00a4)
367
368 #define AR5315_PCICLK_INPUT_M 0x3
369 #define AR5315_PCICLK_INPUT_S 0
370
371 #define AR5315_PCICLK_PLLC_CLKM 0
372 #define AR5315_PCICLK_PLLC_CLKM1 1
373 #define AR5315_PCICLK_PLLC_CLKC 2
374 #define AR5315_PCICLK_REF_CLK 3
375
376 #define AR5315_PCICLK_DIV_M 0xc
377 #define AR5315_PCICLK_DIV_S 2
378
379 #define AR5315_PCICLK_IN_FREQ 0
380 #define AR5315_PCICLK_IN_FREQ_DIV_6 1
381 #define AR5315_PCICLK_IN_FREQ_DIV_8 2
382 #define AR5315_PCICLK_IN_FREQ_DIV_10 3
383
384 /*
385 * Observation Control Register
386 */
387 #define AR5315_OCR (AR5315_DSLBASE + 0x00b0)
388 #define OCR_GPIO0_IRIN 0x0040
389 #define OCR_GPIO1_IROUT 0x0080
390 #define OCR_GPIO3_RXCLR 0x0200
391
392 /*
393 * General Clock Control
394 */
395
396 #define AR5315_MISCCLK (AR5315_DSLBASE + 0x00b4)
397 #define MISCCLK_PLLBYPASS_EN 0x00000001
398 #define MISCCLK_PROCREFCLK 0x00000002
399
400 /*
401 * SDRAM Controller
402 * - No read or write buffers are included.
403 */
404 #define AR5315_MEM_CFG (AR5315_SDRAMCTL + 0x00)
405 #define AR5315_MEM_CTRL (AR5315_SDRAMCTL + 0x0c)
406 #define AR5315_MEM_REF (AR5315_SDRAMCTL + 0x10)
407
408 #define SDRAM_DATA_WIDTH_M 0x00006000
409 #define SDRAM_DATA_WIDTH_S 13
410
411 #define SDRAM_COL_WIDTH_M 0x00001E00
412 #define SDRAM_COL_WIDTH_S 9
413
414 #define SDRAM_ROW_WIDTH_M 0x000001E0
415 #define SDRAM_ROW_WIDTH_S 5
416
417 #define SDRAM_BANKADDR_BITS_M 0x00000018
418 #define SDRAM_BANKADDR_BITS_S 3
419
420 /*
421 * SPI Flash Interface Registers
422 */
423
424 #define AR5315_SPI_CTL (AR5315_SPI + 0x00)
425 #define AR5315_SPI_OPCODE (AR5315_SPI + 0x04)
426 #define AR5315_SPI_DATA (AR5315_SPI + 0x08)
427
428 #define SPI_CTL_START 0x00000100
429 #define SPI_CTL_BUSY 0x00010000
430 #define SPI_CTL_TXCNT_MASK 0x0000000f
431 #define SPI_CTL_RXCNT_MASK 0x000000f0
432 #define SPI_CTL_TX_RX_CNT_MASK 0x000000ff
433 #define SPI_CTL_SIZE_MASK 0x00060000
434
435 #define SPI_CTL_CLK_SEL_MASK 0x03000000
436 #define SPI_OPCODE_MASK 0x000000ff
437
438 /*
439 * PCI-MAC Configuration registers
440 */
441 #define PCI_MAC_RC (AR5315_PCI + 0x4000)
442 #define PCI_MAC_SCR (AR5315_PCI + 0x4004)
443 #define PCI_MAC_INTPEND (AR5315_PCI + 0x4008)
444 #define PCI_MAC_SFR (AR5315_PCI + 0x400C)
445 #define PCI_MAC_PCICFG (AR5315_PCI + 0x4010)
446 #define PCI_MAC_SREV (AR5315_PCI + 0x4020)
447
448 #define PCI_MAC_RC_MAC 0x00000001
449 #define PCI_MAC_RC_BB 0x00000002
450
451 #define PCI_MAC_SCR_SLMODE_M 0x00030000
452 #define PCI_MAC_SCR_SLMODE_S 16
453 #define PCI_MAC_SCR_SLM_FWAKE 0
454 #define PCI_MAC_SCR_SLM_FSLEEP 1
455 #define PCI_MAC_SCR_SLM_NORMAL 2
456
457 #define PCI_MAC_SFR_SLEEP 0x00000001
458
459 #define PCI_MAC_PCICFG_SPWR_DN 0x00010000
460
461
462 /*
463 * PCI Bus Interface Registers
464 */
465 #define AR5315_PCI_1MS_REG (AR5315_PCI + 0x0008)
466 #define AR5315_PCI_1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */
467
468 #define AR5315_PCI_MISC_CONFIG (AR5315_PCI + 0x000c)
469 #define AR5315_PCIMISC_TXD_EN 0x00000001 /* Enable TXD for fragments */
470 #define AR5315_PCIMISC_CFG_SEL 0x00000002 /* mem or config cycles */
471 #define AR5315_PCIMISC_GIG_MASK 0x0000000C /* bits 31-30 for pci req */
472 #define AR5315_PCIMISC_RST_MODE 0x00000030
473 #define AR5315_PCIRST_INPUT 0x00000000 /* 4:5=0 rst is input */
474 #define AR5315_PCIRST_LOW 0x00000010 /* 4:5=1 rst to GND */
475 #define AR5315_PCIRST_HIGH 0x00000020 /* 4:5=2 rst to VDD */
476 #define AR5315_PCIGRANT_EN 0x00000000 /* 6:7=0 early grant en */
477 #define AR5315_PCIGRANT_FRAME 0x00000040 /* 6:7=1 grant waits 4 frame */
478 #define AR5315_PCIGRANT_IDLE 0x00000080 /* 6:7=2 grant waits 4 idle */
479 #define AR5315_PCIGRANT_GAP 0x00000000 /* 6:7=2 grant waits 4 idle */
480 #define AR5315_PCICACHE_DIS 0x00001000 /* PCI external access cache disable */
481
482 #define AR5315_PCI_OUT_TSTAMP (AR5315_PCI + 0x0010)
483
484 #define AR5315_PCI_UNCACHE_CFG (AR5315_PCI + 0x0014)
485
486 #define AR5315_PCI_IN_EN (AR5315_PCI + 0x0100)
487 #define AR5315_PCI_IN_EN0 0x01 /* Enable chain 0 */
488 #define AR5315_PCI_IN_EN1 0x02 /* Enable chain 1 */
489 #define AR5315_PCI_IN_EN2 0x04 /* Enable chain 2 */
490 #define AR5315_PCI_IN_EN3 0x08 /* Enable chain 3 */
491
492 #define AR5315_PCI_IN_DIS (AR5315_PCI + 0x0104)
493 #define AR5315_PCI_IN_DIS0 0x01 /* Disable chain 0 */
494 #define AR5315_PCI_IN_DIS1 0x02 /* Disable chain 1 */
495 #define AR5315_PCI_IN_DIS2 0x04 /* Disable chain 2 */
496 #define AR5315_PCI_IN_DIS3 0x08 /* Disable chain 3 */
497
498 #define AR5315_PCI_IN_PTR (AR5315_PCI + 0x0200)
499
500 #define AR5315_PCI_OUT_EN (AR5315_PCI + 0x0400)
501 #define AR5315_PCI_OUT_EN0 0x01 /* Enable chain 0 */
502
503 #define AR5315_PCI_OUT_DIS (AR5315_PCI + 0x0404)
504 #define AR5315_PCI_OUT_DIS0 0x01 /* Disable chain 0 */
505
506 #define AR5315_PCI_OUT_PTR (AR5315_PCI + 0x0408)
507
508 #define AR5315_PCI_INT_STATUS (AR5315_PCI + 0x0500) /* write one to clr */
509 #define AR5315_PCI_TXINT 0x00000001 /* Desc In Completed */
510 #define AR5315_PCI_TXOK 0x00000002 /* Desc In OK */
511 #define AR5315_PCI_TXERR 0x00000004 /* Desc In ERR */
512 #define AR5315_PCI_TXEOL 0x00000008 /* Desc In End-of-List */
513 #define AR5315_PCI_RXINT 0x00000010 /* Desc Out Completed */
514 #define AR5315_PCI_RXOK 0x00000020 /* Desc Out OK */
515 #define AR5315_PCI_RXERR 0x00000040 /* Desc Out ERR */
516 #define AR5315_PCI_RXEOL 0x00000080 /* Desc Out EOL */
517 #define AR5315_PCI_TXOOD 0x00000200 /* Desc In Out-of-Desc */
518 #define AR5315_PCI_MASK 0x0000FFFF /* Desc Mask */
519 #define AR5315_PCI_EXT_INT 0x02000000
520 #define AR5315_PCI_ABORT_INT 0x04000000
521
522 #define AR5315_PCI_INT_MASK (AR5315_PCI + 0x0504) /* same as INT_STATUS */
523
524 #define AR5315_PCI_INTEN_REG (AR5315_PCI + 0x0508)
525 #define AR5315_PCI_INT_DISABLE 0x00 /* disable pci interrupts */
526 #define AR5315_PCI_INT_ENABLE 0x01 /* enable pci interrupts */
527
528 #define AR5315_PCI_HOST_IN_EN (AR5315_PCI + 0x0800)
529 #define AR5315_PCI_HOST_IN_DIS (AR5315_PCI + 0x0804)
530 #define AR5315_PCI_HOST_IN_PTR (AR5315_PCI + 0x0810)
531 #define AR5315_PCI_HOST_OUT_EN (AR5315_PCI + 0x0900)
532 #define AR5315_PCI_HOST_OUT_DIS (AR5315_PCI + 0x0904)
533 #define AR5315_PCI_HOST_OUT_PTR (AR5315_PCI + 0x0908)
534
535
536 /*
537 * Local Bus Interface Registers
538 */
539 #define AR5315_LB_CONFIG (AR5315_LOCAL + 0x0000)
540 #define AR5315_LBCONF_OE 0x00000001 /* =1 OE is low-true */
541 #define AR5315_LBCONF_CS0 0x00000002 /* =1 first CS is low-true */
542 #define AR5315_LBCONF_CS1 0x00000004 /* =1 2nd CS is low-true */
543 #define AR5315_LBCONF_RDY 0x00000008 /* =1 RDY is low-true */
544 #define AR5315_LBCONF_WE 0x00000010 /* =1 Write En is low-true */
545 #define AR5315_LBCONF_WAIT 0x00000020 /* =1 WAIT is low-true */
546 #define AR5315_LBCONF_ADS 0x00000040 /* =1 Adr Strobe is low-true */
547 #define AR5315_LBCONF_MOT 0x00000080 /* =0 Intel, =1 Motorola */
548 #define AR5315_LBCONF_8CS 0x00000100 /* =1 8 bits CS, 0= 16bits */
549 #define AR5315_LBCONF_8DS 0x00000200 /* =1 8 bits Data S, 0=16bits */
550 #define AR5315_LBCONF_ADS_EN 0x00000400 /* =1 Enable ADS */
551 #define AR5315_LBCONF_ADR_OE 0x00000800 /* =1 Adr cap on OE, WE or DS */
552 #define AR5315_LBCONF_ADDT_MUX 0x00001000 /* =1 Adr and Data share bus */
553 #define AR5315_LBCONF_DATA_OE 0x00002000 /* =1 Data cap on OE, WE, DS */
554 #define AR5315_LBCONF_16DATA 0x00004000 /* =1 Data is 16 bits wide */
555 #define AR5315_LBCONF_SWAPDT 0x00008000 /* =1 Byte swap data */
556 #define AR5315_LBCONF_SYNC 0x00010000 /* =1 Bus synchronous to clk */
557 #define AR5315_LBCONF_INT 0x00020000 /* =1 Intr is low true */
558 #define AR5315_LBCONF_INT_CTR0 0x00000000 /* GND high-Z, Vdd is high-Z */
559 #define AR5315_LBCONF_INT_CTR1 0x00040000 /* GND drive, Vdd is high-Z */
560 #define AR5315_LBCONF_INT_CTR2 0x00080000 /* GND high-Z, Vdd drive */
561 #define AR5315_LBCONF_INT_CTR3 0x000C0000 /* GND drive, Vdd drive */
562 #define AR5315_LBCONF_RDY_WAIT 0x00100000 /* =1 RDY is negative of WAIT */
563 #define AR5315_LBCONF_INT_PULSE 0x00200000 /* =1 Interrupt is a pulse */
564 #define AR5315_LBCONF_ENABLE 0x00400000 /* =1 Falcon respond to LB */
565
566 #define AR5315_LB_CLKSEL (AR5315_LOCAL + 0x0004)
567 #define AR5315_LBCLK_EXT 0x0001 /* use external clk for lb */
568
569 #define AR5315_LB_1MS (AR5315_LOCAL + 0x0008)
570 #define AR5315_LB1MS_MASK 0x3FFFF /* # of AHB clk cycles in 1ms */
571
572 #define AR5315_LB_MISCCFG (AR5315_LOCAL + 0x000C)
573 #define AR5315_LBM_TXD_EN 0x00000001 /* Enable TXD for fragments */
574 #define AR5315_LBM_RX_INTEN 0x00000002 /* Enable LB ints on RX ready */
575 #define AR5315_LBM_MBOXWR_INTEN 0x00000004 /* Enable LB ints on mbox wr */
576 #define AR5315_LBM_MBOXRD_INTEN 0x00000008 /* Enable LB ints on mbox rd */
577 #define AR5315_LMB_DESCSWAP_EN 0x00000010 /* Byte swap desc enable */
578 #define AR5315_LBM_TIMEOUT_MASK 0x00FFFF80
579 #define AR5315_LBM_TIMEOUT_SHFT 7
580 #define AR5315_LBM_PORTMUX 0x07000000
581
582
583 #define AR5315_LB_RXTSOFF (AR5315_LOCAL + 0x0010)
584
585 #define AR5315_LB_TX_CHAIN_EN (AR5315_LOCAL + 0x0100)
586 #define AR5315_LB_TXEN_0 0x01
587 #define AR5315_LB_TXEN_1 0x02
588 #define AR5315_LB_TXEN_2 0x04
589 #define AR5315_LB_TXEN_3 0x08
590
591 #define AR5315_LB_TX_CHAIN_DIS (AR5315_LOCAL + 0x0104)
592 #define AR5315_LB_TX_DESC_PTR (AR5315_LOCAL + 0x0200)
593
594 #define AR5315_LB_RX_CHAIN_EN (AR5315_LOCAL + 0x0400)
595 #define AR5315_LB_RXEN 0x01
596
597 #define AR5315_LB_RX_CHAIN_DIS (AR5315_LOCAL + 0x0404)
598 #define AR5315_LB_RX_DESC_PTR (AR5315_LOCAL + 0x0408)
599
600 #define AR5315_LB_INT_STATUS (AR5315_LOCAL + 0x0500)
601 #define AR5315_INT_TX_DESC 0x0001
602 #define AR5315_INT_TX_OK 0x0002
603 #define AR5315_INT_TX_ERR 0x0004
604 #define AR5315_INT_TX_EOF 0x0008
605 #define AR5315_INT_RX_DESC 0x0010
606 #define AR5315_INT_RX_OK 0x0020
607 #define AR5315_INT_RX_ERR 0x0040
608 #define AR5315_INT_RX_EOF 0x0080
609 #define AR5315_INT_TX_TRUNC 0x0100
610 #define AR5315_INT_TX_STARVE 0x0200
611 #define AR5315_INT_LB_TIMEOUT 0x0400
612 #define AR5315_INT_LB_ERR 0x0800
613 #define AR5315_INT_MBOX_WR 0x1000
614 #define AR5315_INT_MBOX_RD 0x2000
615
616 /* Bit definitions for INT MASK are the same as INT_STATUS */
617 #define AR5315_LB_INT_MASK (AR5315_LOCAL + 0x0504)
618
619 #define AR5315_LB_INT_EN (AR5315_LOCAL + 0x0508)
620 #define AR5315_LB_MBOX (AR5315_LOCAL + 0x0600)
621
622
623
624 /*
625 * IR Interface Registers
626 */
627 #define AR5315_IR_PKTDATA (AR5315_IR + 0x0000)
628
629 #define AR5315_IR_PKTLEN (AR5315_IR + 0x07fc) /* 0 - 63 */
630
631 #define AR5315_IR_CONTROL (AR5315_IR + 0x0800)
632 #define AR5315_IRCTL_TX 0x00000000 /* use as tranmitter */
633 #define AR5315_IRCTL_RX 0x00000001 /* use as receiver */
634 #define AR5315_IRCTL_SAMPLECLK_MASK 0x00003ffe /* Sample clk divisor mask */
635 #define AR5315_IRCTL_SAMPLECLK_SHFT 1
636 #define AR5315_IRCTL_OUTPUTCLK_MASK 0x03ffc000 /* Output clk divisor mask */
637 #define AR5315_IRCTL_OUTPUTCLK_SHFT 14
638
639 #define AR5315_IR_STATUS (AR5315_IR + 0x0804)
640 #define AR5315_IRSTS_RX 0x00000001 /* receive in progress */
641 #define AR5315_IRSTS_TX 0x00000002 /* transmit in progress */
642
643 #define AR5315_IR_CONFIG (AR5315_IR + 0x0808)
644 #define AR5315_IRCFG_INVIN 0x00000001 /* invert input polarity */
645 #define AR5315_IRCFG_INVOUT 0x00000002 /* invert output polarity */
646 #define AR5315_IRCFG_SEQ_START_WIN_SEL 0x00000004 /* 1 => 28, 0 => 7 */
647 #define AR5315_IRCFG_SEQ_START_THRESH 0x000000f0 /* */
648 #define AR5315_IRCFG_SEQ_END_UNIT_SEL 0x00000100 /* */
649 #define AR5315_IRCFG_SEQ_END_UNIT_THRESH 0x00007e00 /* */
650 #define AR5315_IRCFG_SEQ_END_WIN_SEL 0x00008000 /* */
651 #define AR5315_IRCFG_SEQ_END_WIN_THRESH 0x001f0000 /* */
652 #define AR5315_IRCFG_NUM_BACKOFF_WORDS 0x01e00000 /* */
653
654 /*
655 * PCI memory constants: Memory area 1 and 2 are the same size -
656 * (twice the PCI_TLB_PAGE_SIZE). The definition of
657 * CPU_TO_PCI_MEM_SIZE is coupled with the TLB setup routine
658 * sysLib.c/sysTlbInit(), in that it assumes that 2 pages of size
659 * PCI_TLB_PAGE_SIZE are set up in the TLB for each PCI memory space.
660 */
661
662 #define CPU_TO_PCI_MEM_BASE1 0xE0000000
663 #define CPU_TO_PCI_MEM_SIZE1 (2*PCI_TLB_PAGE_SIZE)
664
665
666 /* TLB attributes for PCI transactions */
667
668 #define PCI_MMU_PAGEMASK 0x00003FFF
669 #define MMU_PAGE_UNCACHED 0x00000010
670 #define MMU_PAGE_DIRTY 0x00000004
671 #define MMU_PAGE_VALID 0x00000002
672 #define MMU_PAGE_GLOBAL 0x00000001
673 #define PCI_MMU_PAGEATTRIB (MMU_PAGE_UNCACHED|MMU_PAGE_DIRTY|\
674 MMU_PAGE_VALID|MMU_PAGE_GLOBAL)
675 #define PCI_MEMORY_SPACE1_VIRT 0xE0000000 /* Used for non-prefet mem */
676 #define PCI_MEMORY_SPACE1_PHYS 0x80000000
677 #define PCI_TLB_PAGE_SIZE 0x01000000
678 #define TLB_HI_MASK 0xFFFFE000
679 #define TLB_LO_MASK 0x3FFFFFFF
680 #define PAGEMASK_SHIFT 11
681 #define TLB_LO_SHIFT 6
682
683 #define PCI_MAX_LATENCY 0xFFF /* Max PCI latency */
684
685 #define HOST_PCI_DEV_ID 3
686 #define HOST_PCI_MBAR0 0x10000000
687 #define HOST_PCI_MBAR1 0x20000000
688 #define HOST_PCI_MBAR2 0x30000000
689
690 #define HOST_PCI_SDRAM_BASEADDR HOST_PCI_MBAR1
691 #define PCI_DEVICE_MEM_SPACE 0x800000
692
693 #endif
694
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