xref: /f-stack/freebsd/mips/atheros/ar71xxreg.h (revision 22ce4aff)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2009 Oleksandr Tymoshenko
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  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 /* $FreeBSD$ */
30 
31 #ifndef _AR71XX_REG_H_
32 #define _AR71XX_REG_H_
33 
34 /* PCI region */
35 #define AR71XX_PCI_MEM_BASE		0x10000000
36 /*
37  * PCI mem windows is 0x08000000 bytes long but we exclude control
38  * region from the resource manager
39  */
40 #define AR71XX_PCI_MEM_SIZE		0x07000000
41 #define AR71XX_PCI_IRQ_START		0
42 #define AR71XX_PCI_IRQ_END		2
43 #define AR71XX_PCI_NIRQS		3
44 /*
45  * PCI devices slots are starting from this number
46  */
47 #define	AR71XX_PCI_BASE_SLOT		17
48 
49 /* PCI config registers */
50 #define	AR71XX_PCI_LCONF_CMD		0x17010000
51 #define			PCI_LCONF_CMD_READ	0x00000000
52 #define			PCI_LCONF_CMD_WRITE	0x00010000
53 #define	AR71XX_PCI_LCONF_WRITE_DATA	0x17010004
54 #define	AR71XX_PCI_LCONF_READ_DATA	0x17010008
55 #define	AR71XX_PCI_CONF_ADDR		0x1701000C
56 #define	AR71XX_PCI_CONF_CMD		0x17010010
57 #define			PCI_CONF_CMD_READ	0x0000000A
58 #define			PCI_CONF_CMD_WRITE	0x0000000B
59 #define	AR71XX_PCI_CONF_WRITE_DATA	0x17010014
60 #define	AR71XX_PCI_CONF_READ_DATA	0x17010018
61 #define	AR71XX_PCI_ERROR		0x1701001C
62 #define	AR71XX_PCI_ERROR_ADDR		0x17010020
63 #define	AR71XX_PCI_AHB_ERROR		0x17010024
64 #define	AR71XX_PCI_AHB_ERROR_ADDR	0x17010028
65 
66 /* APB region */
67 /*
68  * Size is not really true actual APB window size is
69  * 0x01000000 but it should handle OHCI memory as well
70  * because this controller's interrupt is routed through
71  * APB.
72  */
73 #define AR71XX_APB_BASE         0x18000000
74 #define AR71XX_APB_SIZE         0x06000000
75 
76 /* DDR registers */
77 #define AR71XX_DDR_CONFIG		0x18000000
78 #define AR71XX_DDR_CONFIG2		0x18000004
79 #define AR71XX_DDR_MODE_REGISTER	0x18000008
80 #define AR71XX_DDR_EXT_MODE_REGISTER	0x1800000C
81 #define AR71XX_DDR_CONTROL		0x18000010
82 #define AR71XX_DDR_REFRESH		0x18000014
83 #define AR71XX_DDR_RD_DATA_THIS_CYCLE	0x18000018
84 #define AR71XX_TAP_CONTROL0		0x1800001C
85 #define AR71XX_TAP_CONTROL1		0x18000020
86 #define AR71XX_TAP_CONTROL2		0x18000024
87 #define AR71XX_TAP_CONTROL3		0x18000028
88 #define AR71XX_PCI_WINDOW0		0x1800007C
89 #define AR71XX_PCI_WINDOW1		0x18000080
90 #define AR71XX_PCI_WINDOW2		0x18000084
91 #define AR71XX_PCI_WINDOW3		0x18000088
92 #define AR71XX_PCI_WINDOW4		0x1800008C
93 #define AR71XX_PCI_WINDOW5		0x18000090
94 #define AR71XX_PCI_WINDOW6		0x18000094
95 #define AR71XX_PCI_WINDOW7		0x18000098
96 #define AR71XX_WB_FLUSH_GE0		0x1800009C
97 #define AR71XX_WB_FLUSH_GE1		0x180000A0
98 #define AR71XX_WB_FLUSH_USB		0x180000A4
99 #define AR71XX_WB_FLUSH_PCI		0x180000A8
100 
101 /*
102  * Values for PCI_WINDOW_X registers
103  */
104 #define PCI_WINDOW0_ADDR		0x10000000
105 #define PCI_WINDOW1_ADDR		0x11000000
106 #define PCI_WINDOW2_ADDR		0x12000000
107 #define PCI_WINDOW3_ADDR		0x13000000
108 #define PCI_WINDOW4_ADDR		0x14000000
109 #define PCI_WINDOW5_ADDR		0x15000000
110 #define PCI_WINDOW6_ADDR		0x16000000
111 #define PCI_WINDOW7_ADDR		0x17000000
112 /* This value enables acces to PCI config registers */
113 #define PCI_WINDOW7_CONF_ADDR		0x07000000
114 
115 #define	AR71XX_UART_ADDR		0x18020000
116 #define		AR71XX_UART_THR		0x0
117 #define		AR71XX_UART_LSR		0x14
118 #define		AR71XX_UART_LSR_THRE	(1 << 5)
119 #define		AR71XX_UART_LSR_TEMT	(1 << 6)
120 
121 #define	AR71XX_USB_CTRL_FLADJ		0x18030000
122 #define		USB_CTRL_FLADJ_HOST_SHIFT	12
123 #define		USB_CTRL_FLADJ_A5_SHIFT		10
124 #define		USB_CTRL_FLADJ_A4_SHIFT		8
125 #define		USB_CTRL_FLADJ_A3_SHIFT		6
126 #define		USB_CTRL_FLADJ_A2_SHIFT		4
127 #define		USB_CTRL_FLADJ_A1_SHIFT		2
128 #define		USB_CTRL_FLADJ_A0_SHIFT		0
129 #define	AR71XX_USB_CTRL_CONFIG		0x18030004
130 #define		USB_CTRL_CONFIG_OHCI_DES_SWAP	(1 << 19)
131 #define		USB_CTRL_CONFIG_OHCI_BUF_SWAP	(1 << 18)
132 #define		USB_CTRL_CONFIG_EHCI_DES_SWAP	(1 << 17)
133 #define		USB_CTRL_CONFIG_EHCI_BUF_SWAP	(1 << 16)
134 #define		USB_CTRL_CONFIG_DISABLE_XTL	(1 << 13)
135 #define		USB_CTRL_CONFIG_OVERRIDE_XTL	(1 << 12)
136 #define		USB_CTRL_CONFIG_CLK_SEL_SHIFT	4
137 #define		USB_CTRL_CONFIG_CLK_SEL_MASK	3
138 #define		USB_CTRL_CONFIG_CLK_SEL_12	0
139 #define		USB_CTRL_CONFIG_CLK_SEL_24	1
140 #define		USB_CTRL_CONFIG_CLK_SEL_48	2
141 #define		USB_CTRL_CONFIG_OVER_CURRENT_AS_GPIO	(1 << 8)
142 #define		USB_CTRL_CONFIG_SS_SIMULATION_MODE	(1 << 2)
143 #define		USB_CTRL_CONFIG_RESUME_UTMI_PLS_DIS	(1 << 1)
144 #define		USB_CTRL_CONFIG_UTMI_BACKWARD_ENB	(1 << 0)
145 
146 #define	AR71XX_GPIO_BASE		0x18040000
147 #define		AR71XX_GPIO_OE			0x00
148 #define		AR71XX_GPIO_IN			0x04
149 #define		AR71XX_GPIO_OUT			0x08
150 #define		AR71XX_GPIO_SET			0x0c
151 #define		AR71XX_GPIO_CLEAR		0x10
152 #define		AR71XX_GPIO_INT			0x14
153 #define		AR71XX_GPIO_INT_TYPE		0x18
154 #define		AR71XX_GPIO_INT_POLARITY	0x1c
155 #define		AR71XX_GPIO_INT_PENDING		0x20
156 #define		AR71XX_GPIO_INT_MASK		0x24
157 #define		AR71XX_GPIO_FUNCTION		0x28
158 #define			GPIO_FUNC_STEREO_EN     (1 << 17)
159 #define			GPIO_FUNC_SLIC_EN       (1 << 16)
160 #define			GPIO_FUNC_SPI_CS2_EN    (1 << 13)
161 				/* CS2 is shared with GPIO_1 */
162 #define			GPIO_FUNC_SPI_CS1_EN    (1 << 12)
163 				/* CS1 is shared with GPIO_0 */
164 #define			GPIO_FUNC_UART_EN       (1 << 8)
165 #define			GPIO_FUNC_USB_OC_EN     (1 << 4)
166 #define			GPIO_FUNC_USB_CLK_EN    (0)
167 
168 #define	AR71XX_BASE_FREQ		40000000
169 #define	AR71XX_PLL_CPU_BASE		0x18050000
170 #define	AR71XX_PLL_CPU_CONFIG		0x18050000
171 #define		PLL_SW_UPDATE			(1U << 31)
172 #define		PLL_LOCKED			(1 << 30)
173 #define		PLL_AHB_DIV_SHIFT		20
174 #define		PLL_AHB_DIV_MASK		7
175 #define		PLL_DDR_DIV_SEL_SHIFT		18
176 #define		PLL_DDR_DIV_SEL_MASK		3
177 #define		PLL_CPU_DIV_SEL_SHIFT		16
178 #define		PLL_CPU_DIV_SEL_MASK		3
179 #define		PLL_LOOP_BW_SHIFT		12
180 #define		PLL_LOOP_BW_MASK		0xf
181 #define		PLL_DIV_IN_SHIFT		10
182 #define		PLL_DIV_IN_MASK			3
183 #define		PLL_DIV_OUT_SHIFT		8
184 #define		PLL_DIV_OUT_MASK		3
185 #define		PLL_FB_SHIFT			3
186 #define		PLL_FB_MASK			0x1f
187 #define		PLL_BYPASS			(1 << 1)
188 #define		PLL_POWER_DOWN			(1 << 0)
189 #define	AR71XX_PLL_SEC_CONFIG		0x18050004
190 #define		AR71XX_PLL_ETH0_SHIFT		17
191 #define		AR71XX_PLL_ETH1_SHIFT		19
192 #define	AR71XX_PLL_CPU_CLK_CTRL		0x18050008
193 #define	AR71XX_PLL_ETH_INT0_CLK		0x18050010
194 #define	AR71XX_PLL_ETH_INT1_CLK		0x18050014
195 #define		XPLL_ETH_INT_CLK_10		0x00991099
196 #define		XPLL_ETH_INT_CLK_100		0x00441011
197 #define		XPLL_ETH_INT_CLK_1000		0x13110000
198 #define		XPLL_ETH_INT_CLK_1000_GMII	0x14110000
199 #define		PLL_ETH_INT_CLK_10		0x00991099
200 #define		PLL_ETH_INT_CLK_100		0x00001099
201 #define		PLL_ETH_INT_CLK_1000		0x00110000
202 #define	AR71XX_PLL_ETH_EXT_CLK		0x18050018
203 #define	AR71XX_PLL_PCI_CLK		0x1805001C
204 
205 /* Reset block */
206 #define	AR71XX_RST_BLOCK_BASE	0x18060000
207 
208 #define AR71XX_RST_WDOG_CONTROL	0x18060008
209 #define		RST_WDOG_LAST			(1U << 31)
210 #define		RST_WDOG_ACTION_MASK		3
211 #define		RST_WDOG_ACTION_RESET		3
212 #define		RST_WDOG_ACTION_NMI		2
213 #define		RST_WDOG_ACTION_GP_INTR		1
214 #define		RST_WDOG_ACTION_NOACTION	0
215 
216 #define AR71XX_RST_WDOG_TIMER	0x1806000C
217 /*
218  * APB interrupt status and mask register and interrupt bit numbers for
219  */
220 #define AR71XX_MISC_INTR_STATUS	0x18060010
221 #define AR71XX_MISC_INTR_MASK	0x18060014
222 #define		MISC_INTR_TIMER		0
223 #define		MISC_INTR_ERROR		1
224 #define		MISC_INTR_GPIO		2
225 #define		MISC_INTR_UART		3
226 #define		MISC_INTR_WATCHDOG	4
227 #define		MISC_INTR_PERF		5
228 #define		MISC_INTR_OHCI		6
229 #define		MISC_INTR_DMA		7
230 
231 #define AR71XX_PCI_INTR_STATUS	0x18060018
232 #define AR71XX_PCI_INTR_MASK	0x1806001C
233 #define		PCI_INTR_CORE		(1 << 4)
234 
235 #define AR71XX_RST_RESET	0x18060024
236 #define		RST_RESET_FULL_CHIP	(1 << 24) /* Same as pulling
237 							     the reset pin */
238 #define		RST_RESET_CPU_COLD	(1 << 20) /* Cold reset */
239 #define		RST_RESET_GE1_MAC	(1 << 13)
240 #define		RST_RESET_GE1_PHY	(1 << 12)
241 #define		RST_RESET_GE0_MAC	(1 <<  9)
242 #define		RST_RESET_GE0_PHY	(1 <<  8)
243 #define		RST_RESET_USB_OHCI_DLL	(1 <<  6)
244 #define		RST_RESET_USB_HOST	(1 <<  5)
245 #define		RST_RESET_USB_PHY	(1 <<  4)
246 #define		RST_RESET_PCI_BUS	(1 <<  1)
247 #define		RST_RESET_PCI_CORE	(1 <<  0)
248 
249 /* Chipset revision details */
250 #define	AR71XX_RST_RESET_REG_REV_ID	0x18060090
251 #define		REV_ID_MAJOR_MASK	0xfff0
252 #define		REV_ID_MAJOR_AR71XX	0x00a0
253 #define		REV_ID_MAJOR_AR913X	0x00b0
254 #define		REV_ID_MAJOR_AR7240	0x00c0
255 #define		REV_ID_MAJOR_AR7241	0x0100
256 #define		REV_ID_MAJOR_AR7242	0x1100
257 
258 /* AR71XX chipset revision details */
259 #define		AR71XX_REV_ID_MINOR_MASK	0x3
260 #define		AR71XX_REV_ID_MINOR_AR7130	0x0
261 #define		AR71XX_REV_ID_MINOR_AR7141	0x1
262 #define		AR71XX_REV_ID_MINOR_AR7161	0x2
263 #define		AR71XX_REV_ID_REVISION_MASK	0x3
264 #define		AR71XX_REV_ID_REVISION_SHIFT	2
265 
266 /* AR724X chipset revision details */
267 #define		AR724X_REV_ID_REVISION_MASK	0x3
268 
269 /* AR91XX chipset revision details */
270 #define		AR91XX_REV_ID_MINOR_MASK	0x3
271 #define		AR91XX_REV_ID_MINOR_AR9130	0x0
272 #define		AR91XX_REV_ID_MINOR_AR9132	0x1
273 #define		AR91XX_REV_ID_REVISION_MASK	0x3
274 #define		AR91XX_REV_ID_REVISION_SHIFT	2
275 
276 typedef enum {
277 	AR71XX_MII_MODE_NONE = 0,
278 	AR71XX_MII_MODE_GMII,
279 	AR71XX_MII_MODE_MII,
280 	AR71XX_MII_MODE_RGMII,
281 	AR71XX_MII_MODE_RMII,
282 	AR71XX_MII_MODE_SGMII	/* not hardware defined, though! */
283 } ar71xx_mii_mode;
284 
285 /*
286  * AR71xx MII control region
287  */
288 #define	AR71XX_MII0_CTRL	0x18070000
289 #define			MII_CTRL_SPEED_SHIFT	4
290 #define			MII_CTRL_SPEED_MASK	3
291 #define				MII_CTRL_SPEED_10	0
292 #define				MII_CTRL_SPEED_100	1
293 #define				MII_CTRL_SPEED_1000	2
294 #define			MII_CTRL_IF_MASK	3
295 #define			MII_CTRL_IF_SHIFT	0
296 #define				MII0_CTRL_IF_GMII	0
297 #define				MII0_CTRL_IF_MII	1
298 #define				MII0_CTRL_IF_RGMII	2
299 #define				MII0_CTRL_IF_RMII	3
300 
301 #define	AR71XX_MII1_CTRL	0x18070004
302 
303 #define				MII1_CTRL_IF_RGMII	0
304 #define				MII1_CTRL_IF_RMII	1
305 
306 /*
307  * GigE adapters region
308  */
309 #define AR71XX_MAC0_BASE	0x19000000
310 #define AR71XX_MAC1_BASE	0x1A000000
311 
312 #define		AR71XX_MAC_CFG1			0x00
313 #define			MAC_CFG1_SOFT_RESET		(1U << 31)
314 #define			MAC_CFG1_SIMUL_RESET		(1 << 30)
315 #define			MAC_CFG1_MAC_RX_BLOCK_RESET	(1 << 19)
316 #define			MAC_CFG1_MAC_TX_BLOCK_RESET	(1 << 18)
317 #define			MAC_CFG1_RX_FUNC_RESET		(1 << 17)
318 #define			MAC_CFG1_TX_FUNC_RESET		(1 << 16)
319 #define			MAC_CFG1_LOOPBACK		(1 <<  8)
320 #define			MAC_CFG1_RXFLOW_CTRL		(1 <<  5)
321 #define			MAC_CFG1_TXFLOW_CTRL		(1 <<  4)
322 #define			MAC_CFG1_SYNC_RX		(1 <<  3)
323 #define			MAC_CFG1_RX_ENABLE		(1 <<  2)
324 #define			MAC_CFG1_SYNC_TX		(1 <<  1)
325 #define			MAC_CFG1_TX_ENABLE		(1 <<  0)
326 #define		AR71XX_MAC_CFG2			0x04
327 #define			MAC_CFG2_PREAMBLE_LEN_MASK	0xf
328 #define			MAC_CFG2_PREAMBLE_LEN_SHIFT	12
329 #define			MAC_CFG2_IFACE_MODE_1000	(2 << 8)
330 #define			MAC_CFG2_IFACE_MODE_10_100	(1 << 8)
331 #define			MAC_CFG2_IFACE_MODE_SHIFT	8
332 #define			MAC_CFG2_IFACE_MODE_MASK	3
333 #define			MAC_CFG2_HUGE_FRAME		(1 << 5)
334 #define			MAC_CFG2_LENGTH_FIELD		(1 << 4)
335 #define			MAC_CFG2_ENABLE_PADCRC		(1 << 2)
336 #define			MAC_CFG2_ENABLE_CRC		(1 << 1)
337 #define			MAC_CFG2_FULL_DUPLEX		(1 << 0)
338 #define		AR71XX_MAC_IFG			0x08
339 #define		AR71XX_MAC_HDUPLEX		0x0C
340 #define		AR71XX_MAC_MAX_FRAME_LEN	0x10
341 #define		AR71XX_MAC_MII_CFG		0x20
342 #define			MAC_MII_CFG_RESET		(1U << 31)
343 #define			MAC_MII_CFG_SCAN_AUTO_INC	(1 <<  5)
344 #define			MAC_MII_CFG_PREAMBLE_SUP	(1 <<  4)
345 #define			MAC_MII_CFG_CLOCK_SELECT_MASK	0x7
346 #define			MAC_MII_CFG_CLOCK_SELECT_MASK_AR933X	0xf
347 #define			MAC_MII_CFG_CLOCK_DIV_4		0
348 #define			MAC_MII_CFG_CLOCK_DIV_6		2
349 #define			MAC_MII_CFG_CLOCK_DIV_8		3
350 #define			MAC_MII_CFG_CLOCK_DIV_10	4
351 #define			MAC_MII_CFG_CLOCK_DIV_14	5
352 #define			MAC_MII_CFG_CLOCK_DIV_20	6
353 #define			MAC_MII_CFG_CLOCK_DIV_28	7
354 
355 /* .. and the AR933x/AR934x extensions */
356 #define			MAC_MII_CFG_CLOCK_DIV_34	8
357 #define			MAC_MII_CFG_CLOCK_DIV_42	9
358 #define			MAC_MII_CFG_CLOCK_DIV_50	10
359 #define			MAC_MII_CFG_CLOCK_DIV_58	11
360 #define			MAC_MII_CFG_CLOCK_DIV_66	12
361 #define			MAC_MII_CFG_CLOCK_DIV_74	13
362 #define			MAC_MII_CFG_CLOCK_DIV_82	14
363 #define			MAC_MII_CFG_CLOCK_DIV_98	15
364 
365 #define		AR71XX_MAC_MII_CMD		0x24
366 #define			MAC_MII_CMD_SCAN_CYCLE		(1 << 1)
367 #define			MAC_MII_CMD_READ		1
368 #define			MAC_MII_CMD_WRITE		0
369 #define		AR71XX_MAC_MII_ADDR		0x28
370 #define			MAC_MII_PHY_ADDR_SHIFT		8
371 #define			MAC_MII_PHY_ADDR_MASK		0xff
372 #define			MAC_MII_REG_MASK		0x1f
373 #define		AR71XX_MAC_MII_CONTROL		0x2C
374 #define			MAC_MII_CONTROL_MASK		0xffff
375 #define		AR71XX_MAC_MII_STATUS		0x30
376 #define			MAC_MII_STATUS_MASK		0xffff
377 #define		AR71XX_MAC_MII_INDICATOR	0x34
378 #define			MAC_MII_INDICATOR_NOT_VALID	(1 << 2)
379 #define			MAC_MII_INDICATOR_SCANNING	(1 << 1)
380 #define			MAC_MII_INDICATOR_BUSY		(1 << 0)
381 #define		AR71XX_MAC_IFCONTROL		0x38
382 #define			MAC_IFCONTROL_SPEED	(1 << 16)
383 #define		AR71XX_MAC_STA_ADDR1		0x40
384 #define		AR71XX_MAC_STA_ADDR2		0x44
385 #define		AR71XX_MAC_FIFO_CFG0		0x48
386 #define			FIFO_CFG0_TX_FABRIC		(1 << 4)
387 #define			FIFO_CFG0_TX_SYSTEM		(1 << 3)
388 #define			FIFO_CFG0_RX_FABRIC		(1 << 2)
389 #define			FIFO_CFG0_RX_SYSTEM		(1 << 1)
390 #define			FIFO_CFG0_WATERMARK		(1 << 0)
391 #define			FIFO_CFG0_ALL			((1 << 5) - 1)
392 #define			FIFO_CFG0_ENABLE_SHIFT		8
393 #define		AR71XX_MAC_FIFO_CFG1		0x4C
394 #define		AR71XX_MAC_FIFO_CFG2		0x50
395 #define		AR71XX_MAC_FIFO_TX_THRESHOLD	0x54
396 #define		AR71XX_MAC_FIFO_RX_FILTMATCH	0x58
397 /*
398  * These flags applicable both to AR71XX_MAC_FIFO_RX_FILTMASK and
399  * to AR71XX_MAC_FIFO_RX_FILTMATCH
400  */
401 #define			FIFO_RX_MATCH_UNICAST		(1 << 17)
402 #define			FIFO_RX_MATCH_TRUNC_FRAME	(1 << 16)
403 #define			FIFO_RX_MATCH_VLAN_TAG		(1 << 15)
404 #define			FIFO_RX_MATCH_UNSUP_OPCODE	(1 << 14)
405 #define			FIFO_RX_MATCH_PAUSE_FRAME	(1 << 13)
406 #define			FIFO_RX_MATCH_CTRL_FRAME	(1 << 12)
407 #define			FIFO_RX_MATCH_LONG_EVENT	(1 << 11)
408 #define			FIFO_RX_MATCH_DRIBBLE_NIBBLE	(1 << 10)
409 #define			FIFO_RX_MATCH_BCAST		(1 <<  9)
410 #define			FIFO_RX_MATCH_MCAST		(1 <<  8)
411 #define			FIFO_RX_MATCH_OK		(1 <<  7)
412 #define			FIFO_RX_MATCH_OORANGE		(1 <<  6)
413 #define			FIFO_RX_MATCH_LEN_MSMTCH	(1 <<  5)
414 #define			FIFO_RX_MATCH_CRC_ERROR		(1 <<  4)
415 #define			FIFO_RX_MATCH_CODE_ERROR	(1 <<  3)
416 #define			FIFO_RX_MATCH_FALSE_CARRIER	(1 <<  2)
417 #define			FIFO_RX_MATCH_RX_DV_EVENT	(1 <<  1)
418 #define			FIFO_RX_MATCH_DROP_EVENT	(1 <<  0)
419 /*
420  * Exclude unicast and truncated frames from matching
421  */
422 #define			FIFO_RX_FILTMATCH_DEFAULT		\
423 				(FIFO_RX_MATCH_VLAN_TAG		| \
424 				FIFO_RX_MATCH_UNSUP_OPCODE	| \
425 				FIFO_RX_MATCH_PAUSE_FRAME	| \
426 				FIFO_RX_MATCH_CTRL_FRAME	| \
427 				FIFO_RX_MATCH_LONG_EVENT	| \
428 				FIFO_RX_MATCH_DRIBBLE_NIBBLE	| \
429 				FIFO_RX_MATCH_BCAST		| \
430 				FIFO_RX_MATCH_MCAST		| \
431 				FIFO_RX_MATCH_OK		| \
432 				FIFO_RX_MATCH_OORANGE		| \
433 				FIFO_RX_MATCH_LEN_MSMTCH	| \
434 				FIFO_RX_MATCH_CRC_ERROR		| \
435 				FIFO_RX_MATCH_CODE_ERROR	| \
436 				FIFO_RX_MATCH_FALSE_CARRIER	| \
437 				FIFO_RX_MATCH_RX_DV_EVENT	| \
438 				FIFO_RX_MATCH_DROP_EVENT)
439 #define		AR71XX_MAC_FIFO_RX_FILTMASK	0x5C
440 #define			FIFO_RX_MASK_BYTE_MODE		(1 << 19)
441 #define			FIFO_RX_MASK_NO_SHORT_FRAME	(1 << 18)
442 #define			FIFO_RX_MASK_BIT17		(1 << 17)
443 #define			FIFO_RX_MASK_BIT16		(1 << 16)
444 #define			FIFO_RX_MASK_TRUNC_FRAME	(1 << 15)
445 #define			FIFO_RX_MASK_LONG_EVENT		(1 << 14)
446 #define			FIFO_RX_MASK_VLAN_TAG		(1 << 13)
447 #define			FIFO_RX_MASK_UNSUP_OPCODE	(1 << 12)
448 #define			FIFO_RX_MASK_PAUSE_FRAME	(1 << 11)
449 #define			FIFO_RX_MASK_CTRL_FRAME		(1 << 10)
450 #define			FIFO_RX_MASK_DRIBBLE_NIBBLE	(1 <<  9)
451 #define			FIFO_RX_MASK_BCAST		(1 <<  8)
452 #define			FIFO_RX_MASK_MCAST		(1 <<  7)
453 #define			FIFO_RX_MASK_OK			(1 <<  6)
454 #define			FIFO_RX_MASK_OORANGE		(1 <<  5)
455 #define			FIFO_RX_MASK_LEN_MSMTCH		(1 <<  4)
456 #define			FIFO_RX_MASK_CODE_ERROR		(1 <<  3)
457 #define			FIFO_RX_MASK_FALSE_CARRIER	(1 <<  2)
458 #define			FIFO_RX_MASK_RX_DV_EVENT	(1 <<  1)
459 #define			FIFO_RX_MASK_DROP_EVENT		(1 <<  0)
460 
461 /*
462  *  Len. mismatch, unsup. opcode and short frmae bits excluded
463  */
464 #define			FIFO_RX_FILTMASK_DEFAULT \
465 				(FIFO_RX_MASK_NO_SHORT_FRAME	| \
466 				FIFO_RX_MASK_BIT17		| \
467 				FIFO_RX_MASK_BIT16		| \
468 				FIFO_RX_MASK_TRUNC_FRAME	| \
469 				FIFO_RX_MASK_LONG_EVENT		| \
470 				FIFO_RX_MASK_VLAN_TAG		| \
471 				FIFO_RX_MASK_PAUSE_FRAME	| \
472 				FIFO_RX_MASK_CTRL_FRAME		| \
473 				FIFO_RX_MASK_DRIBBLE_NIBBLE	| \
474 				FIFO_RX_MASK_BCAST		| \
475 				FIFO_RX_MASK_MCAST		| \
476 				FIFO_RX_MASK_OK			| \
477 				FIFO_RX_MASK_OORANGE		| \
478 				FIFO_RX_MASK_CODE_ERROR		| \
479 				FIFO_RX_MASK_FALSE_CARRIER	| \
480 				FIFO_RX_MASK_RX_DV_EVENT	| \
481 				FIFO_RX_MASK_DROP_EVENT)
482 
483 #define		AR71XX_MAC_FIFO_RAM0		0x60
484 #define		AR71XX_MAC_FIFO_RAM1		0x64
485 #define		AR71XX_MAC_FIFO_RAM2		0x68
486 #define		AR71XX_MAC_FIFO_RAM3		0x6C
487 #define		AR71XX_MAC_FIFO_RAM4		0x70
488 #define		AR71XX_MAC_FIFO_RAM5		0x74
489 #define		AR71XX_MAC_FIFO_RAM6		0x78
490 #define		AR71XX_DMA_TX_CONTROL		0x180
491 #define			DMA_TX_CONTROL_EN		(1 << 0)
492 #define		AR71XX_DMA_TX_DESC		0x184
493 #define		AR71XX_DMA_TX_STATUS		0x188
494 #define			DMA_TX_STATUS_PCOUNT_MASK	0xff
495 #define			DMA_TX_STATUS_PCOUNT_SHIFT	16
496 #define			DMA_TX_STATUS_BUS_ERROR		(1 << 3)
497 #define			DMA_TX_STATUS_UNDERRUN		(1 << 1)
498 #define			DMA_TX_STATUS_PKT_SENT		(1 << 0)
499 #define		AR71XX_DMA_RX_CONTROL		0x18C
500 #define			DMA_RX_CONTROL_EN		(1 << 0)
501 #define		AR71XX_DMA_RX_DESC		0x190
502 #define		AR71XX_DMA_RX_STATUS		0x194
503 #define			DMA_RX_STATUS_PCOUNT_MASK	0xff
504 #define			DMA_RX_STATUS_PCOUNT_SHIFT	16
505 #define			DMA_RX_STATUS_BUS_ERROR		(1 << 3)
506 #define			DMA_RX_STATUS_OVERFLOW		(1 << 2)
507 #define			DMA_RX_STATUS_PKT_RECVD		(1 << 0)
508 #define		AR71XX_DMA_INTR				0x198
509 #define		AR71XX_DMA_INTR_STATUS			0x19C
510 #define			DMA_INTR_ALL			((1 << 8) - 1)
511 #define			DMA_INTR_RX_BUS_ERROR		(1 << 7)
512 #define			DMA_INTR_RX_OVERFLOW		(1 << 6)
513 #define			DMA_INTR_RX_PKT_RCVD		(1 << 4)
514 #define			DMA_INTR_TX_BUS_ERROR		(1 << 3)
515 #define			DMA_INTR_TX_UNDERRUN		(1 << 1)
516 #define			DMA_INTR_TX_PKT_SENT		(1 << 0)
517 
518 #define	AR71XX_SPI_BASE	0x1f000000
519 #define		AR71XX_SPI_FS		0x00
520 #define		AR71XX_SPI_CTRL		0x04
521 #define			SPI_CTRL_REMAP_DISABLE		(1 << 6)
522 #define			SPI_CTRL_CLOCK_DIVIDER_MASK	((1 << 6) - 1)
523 #define		AR71XX_SPI_IO_CTRL	0x08
524 #define			SPI_IO_CTRL_CS2			(1 << 18)
525 #define			SPI_IO_CTRL_CS1			(1 << 17)
526 #define			SPI_IO_CTRL_CS0			(1 << 16)
527 #define			SPI_IO_CTRL_CSMASK		(7 << 16)
528 #define			SPI_IO_CTRL_CLK			(1 << 8)
529 #define			SPI_IO_CTRL_DO			1
530 #define		AR71XX_SPI_RDS		0x0C
531 
532 #define ATH_READ_REG(reg) \
533 	*((volatile uint32_t *)MIPS_PHYS_TO_KSEG1((reg)))
534 /*
535  * Note: Don't put a flush read here; some users (eg the AR724x PCI fixup code)
536  * requires write-only space to certain registers.  Doing the read afterwards
537  * causes things to break.
538  */
539 #define ATH_WRITE_REG(reg, val) \
540       *((volatile uint32_t *)MIPS_PHYS_TO_KSEG1((reg))) = (val)
541 
542 static inline void
ar71xx_ddr_flush(uint32_t reg)543 ar71xx_ddr_flush(uint32_t reg)
544 {
545 	ATH_WRITE_REG(reg, 1);
546 	while ((ATH_READ_REG(reg) & 0x1))
547 		;
548 	ATH_WRITE_REG(reg, 1);
549 	while ((ATH_READ_REG(reg) & 0x1))
550 		;
551 }
552 
553 static inline void
ar71xx_write_pll(uint32_t cfg_reg,uint32_t pll_reg,uint32_t pll,uint32_t pll_reg_shift)554 ar71xx_write_pll(uint32_t cfg_reg, uint32_t pll_reg, uint32_t pll, uint32_t pll_reg_shift)
555 {
556 	uint32_t sec_cfg;
557 
558 	/* set PLL registers */
559 	sec_cfg = ATH_READ_REG(cfg_reg);
560 	sec_cfg &= ~(3 << pll_reg_shift);
561 	sec_cfg |= (2 << pll_reg_shift);
562 
563 	ATH_WRITE_REG(cfg_reg, sec_cfg);
564 	DELAY(100);
565 
566 	ATH_WRITE_REG(pll_reg, pll);
567 	sec_cfg |= (3 << pll_reg_shift);
568 	ATH_WRITE_REG(cfg_reg, sec_cfg);
569 	DELAY(100);
570 
571 	sec_cfg &= ~(3 << pll_reg_shift);
572 	ATH_WRITE_REG(cfg_reg, sec_cfg);
573 	DELAY(100);
574 }
575 
576 #endif /* _AR71XX_REG_H_ */
577