ingenic_regs.h revision 1.9 1 /* $NetBSD: ingenic_regs.h,v 1.9 2015/03/10 18:02:16 macallan Exp $ */
2
3 /*-
4 * Copyright (c) 2014 Michael Lorenz
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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <mips/locore.h>
30
31 #ifndef INGENIC_REGS_H
32 #define INGENIC_REGS_H
33
34 /* UARTs, mostly 16550 compatible with 32bit spaced registers */
35 #define JZ_UART0 0x10030000
36 #define JZ_UART1 0x10031000
37 #define JZ_UART2 0x10032000
38 #define JZ_UART3 0x10033000
39 #define JZ_UART4 0x10034000
40
41 /* watchdog */
42 #define JZ_WDOG_TDR 0x10002000 /* compare */
43 #define JZ_WDOG_TCER 0x10002004
44 #define TCER_ENABLE 0x01 /* enable counter */
45 #define JZ_WDOG_TCNT 0x10002008 /* 16bit up count */
46 #define JZ_WDOG_TCSR 0x1000200c
47 #define TCSR_PCK_EN 0x01 /* PCLK */
48 #define TCSR_RTC_EN 0x02 /* RTCCLK - 32.768kHz */
49 #define TCSR_EXT_EN 0x04 /* EXTCLK - 48MHz */
50 #define TCSR_PRESCALE_M 0x38
51 #define TCSR_DIV_1 0x00
52 #define TCSR_DIV_4 0x08
53 #define TCSR_DIV_16 0x10
54 #define TCSR_DIV_64 0x18
55 #define TCSR_DIV_256 0x20
56 #define TCSR_DIV_1024 0x28
57
58 /* timers and PWMs */
59 #define JZ_TC_TER 0x10002010 /* TC enable reg, ro */
60 #define JZ_TC_TESR 0x10002014 /* TC enable set reg. */
61 #define TESR_TCST0 0x0001 /* enable counter 0 */
62 #define TESR_TCST1 0x0002 /* enable counter 1 */
63 #define TESR_TCST2 0x0004 /* enable counter 2 */
64 #define TESR_TCST3 0x0008 /* enable counter 3 */
65 #define TESR_TCST4 0x0010 /* enable counter 4 */
66 #define TESR_TCST5 0x0020 /* enable counter 5 */
67 #define TESR_TCST6 0x0040 /* enable counter 6 */
68 #define TESR_TCST7 0x0080 /* enable counter 7 */
69 #define TESR_OST 0x8000 /* enable OST */
70 #define JZ_TC_TECR 0x10002018 /* TC enable clear reg. */
71 #define JZ_TC_TFR 0x10002020
72 #define TFR_FFLAG0 0x00000001 /* channel 0 */
73 #define TFR_FFLAG1 0x00000002 /* channel 1 */
74 #define TFR_FFLAG2 0x00000004 /* channel 2 */
75 #define TFR_FFLAG3 0x00000008 /* channel 3 */
76 #define TFR_FFLAG4 0x00000010 /* channel 4 */
77 #define TFR_FFLAG5 0x00000020 /* channel 5 */
78 #define TFR_FFLAG6 0x00000040 /* channel 6 */
79 #define TFR_FFLAG7 0x00000080 /* channel 7 */
80 #define TFR_OSTFLAG 0x00008000 /* OS timer */
81 #define JZ_TC_TFSR 0x10002024 /* timer flag set */
82 #define JZ_TC_TFCR 0x10002028 /* timer flag clear */
83 #define JZ_TC_TMR 0x10002030 /* timer flag mask */
84 #define JZ_TC_TMSR 0x10002034 /* timer flag mask set */
85 #define JZ_TC_TMCR 0x10002038 /* timer flag mask clear*/
86
87 #define JZ_TC_TDFR(n) (0x10002040 + (n * 0x10)) /* FULL compare */
88 #define JZ_TC_TDHR(n) (0x10002044 + (n * 0x10)) /* HALF compare */
89 #define JZ_TC_TCNT(n) (0x10002048 + (n * 0x10)) /* count */
90
91 #define JZ_TC_TCSR(n) (0x1000204c + (n * 0x10))
92 /* same bits as in JZ_WDOG_TCSR */
93
94 /* operating system timer */
95 #define JZ_OST_DATA 0x100020e0 /* compare */
96 #define JZ_OST_CNT_LO 0x100020e4
97 #define JZ_OST_CNT_HI 0x100020e8
98 #define JZ_OST_CTRL 0x100020ec
99 #define OSTC_PCK_EN 0x0001 /* use PCLK */
100 #define OSTC_RTC_EN 0x0002 /* use RTCCLK */
101 #define OSTC_EXT_EN 0x0004 /* use EXTCLK */
102 #define OSTC_PRESCALE_M 0x0038
103 #define OSTC_DIV_1 0x0000
104 #define OSTC_DIV_4 0x0008
105 #define OSTC_DIV_16 0x0010
106 #define OSTC_DIV_64 0x0018
107 #define OSTC_DIV_256 0x0020
108 #define OSTC_DIV_1024 0x0028
109 #define OSTC_SHUTDOWN 0x0200
110 #define OSTC_MODE 0x8000 /* 0 - reset to 0 when = OST_DATA */
111 #define JZ_OST_CNT_U32 0x100020fc /* copy of CNT_HI when reading CNT_LO */
112
113 static inline void
114 writereg(uint32_t reg, uint32_t val)
115 {
116 *(int32_t *)MIPS_PHYS_TO_KSEG1(reg) = val;
117 wbflush();
118 }
119
120 static inline uint32_t
121 readreg(uint32_t reg)
122 {
123 wbflush();
124 return *(int32_t *)MIPS_PHYS_TO_KSEG1(reg);
125 }
126
127 /* extra CP0 registers */
128 static inline uint32_t
129 MFC0(uint32_t r, uint32_t s)
130 {
131 uint32_t ret = 0x12345678;
132
133 __asm volatile("mfc0 %0, $%1, %2; nop;" : "=r"(ret) : "i"(r), "i"(s));
134 return ret;
135 }
136
137 #define MTC0(v, r, s) __asm volatile("mtc0 %0, $%1, %2; nop;" :: "r"(v), "i"(r), "i"(s))
138
139 #define CP0_CORE_CTRL 12 /* select 2 */
140 #define CC_SW_RST0 1 /* reset core 0 */
141 #define CC_SW_RST1 2 /* reset core 1 */
142 #define CC_RPC0 0x100 /* dedicater reset entry core 0 */
143 #define CC_RPC1 0x200 /* -- || -- core 1 */
144 #define CC_SLEEP0M 0x10000 /* mask sleep core 0 */
145 #define CC_SLEEP1M 0x20000 /* mask sleep core 1 */
146
147 /* cores status, 12 select 3 */
148 #define CS_MIRQ0_P 0x00001 /* mailbox IRQ for 0 pending */
149 #define CS_MIRQ1_P 0x00002 /* || core 1 */
150 #define CS_IRQ0_P 0x00100 /* peripheral IRQ for core 0 */
151 #define CS_IRQ1_P 0x00200 /* || core 1 */
152 #define CS_SLEEP0 0x10000 /* core 0 sleeping */
153 #define CS_SLEEP1 0x20000 /* core 1 sleeping */
154
155 /* cores reset entry & IRQ masks - 12 select 4 */
156 #define REIM_MIRQ0_M 0x00001 /* allow mailbox IRQ for core 0 */
157 #define REIM_MIRQ1_M 0x00002 /* allow mailbox IRQ for core 1 */
158 #define REIM_IRQ0_M 0x00100 /* allow peripheral IRQ for core 0 */
159 #define REIM_IRQ1_M 0x00200 /* allow peripheral IRQ for core 1 */
160 #define REIM_ENTRY_M 0xffff0000 /* reset exception entry if RPCn=1 */
161
162 #define CP0_CORE_MBOX 20 /* select 0 for core 0, 1 for 1 */
163
164 /* power management */
165 #define JZ_CLKGR0 0x10000020 /* CLocK Gating Registers */
166 #define JZ_OPCR 0x10000024 /* Oscillator Power Control Reg. */
167 #define OPCR_IDLE_DIS 0x80000000 /* don't stop CPU clk on idle */
168 #define OPCR_GPU_CLK_ST 0x40000000 /* stop GPU clock */
169 #define OPCR_L2CM_M 0x0c000000
170 #define OPCR_L2CM_ON 0x00000000 /* L2 stays on in sleep */
171 #define OPCR_L2CM_RET 0x04000000 /* L2 retention mode in sleep */
172 #define OPCR_L2CM_OFF 0x08000000 /* L2 powers down in sleep */
173 #define OPCR_SPENDN0 0x00000080 /* OTG port forced down */
174 #define OPCR_SPENDN1 0x00000040 /* UHC port forced down */
175 #define OPCR_BUS_MODE 0x00000020 /* 1 - bursts */
176 #define OPCR_O1SE 0x00000010 /* EXTCLK on in sleep */
177 #define OPCR_PD 0x00000008 /* P0 down in sleep */
178 #define OPCR_ERCS 0x00000004 /* 1 RTCCLK, 0 EXTCLK/512 */
179 #define OPCR_CPU_MODE 0x00000002 /* 1 access 'accelerated' */
180 #define OPCR_OSE 0x00000001 /* disable EXTCLK */
181 #define JZ_CLKGR1 0x10000028 /* CLocK Gating Registers */
182 #define JZ_USBPCR 0x1000003c
183 #define PCR_USB_MODE 0x80000000 /* 1 - otg */
184 #define PCR_AVLD_REG 0x40000000
185 #define PCR_IDPULLUP_MASK 0x30000000
186 #define PCR_INCR_MASK 0x08000000
187 #define PCR_TCRISETUNE 0x04000000
188 #define PCR_COMMONONN 0x02000000
189 #define PCR_VBUSVLDEXT 0x01000000
190 #define PCR_VBUSVLDEXTSEL 0x00800000
191 #define PCR_POR 0x00400000
192 #define PCR_SIDDQ 0x00200000
193 #define PCR_OTG_DISABLE 0x00100000
194 #define PCR_COMPDISTN_M 0x000e0000
195 #define PCR_OTGTUNE 0x0001c000
196 #define PCR_SQRXTUNE 0x00003800
197 #define PCR_TXFSLSTUNE 0x00000780
198 #define PCR_TXPREEMPHTUNE 0x00000040
199 #define PCR_TXHSXVTUNE 0x00000030
200 #define PCR_TXVREFTUNE 0x0000000f
201 #define JZ_USBRDT 0x10000040 /* Reset Detect Timer Register */
202 #define JZ_USBPCR1 0x10000048
203 #define PCR_SYNOPSYS 0x10000000 /* Mentor mode otherwise */
204 #define PCR_REFCLK_CORE 0x0c000000
205 #define PCR_REFCLK_XO25 0x04000000
206 #define PCR_REFCLK_CO 0x00000000
207 #define PCR_CLK_M 0x03000000 /* clock */
208 #define PCR_CLK_192 0x03000000 /* 19.2MHz */
209 #define PCR_CLK_48 0x02000000 /* 48MHz */
210 #define PCR_CLK_24 0x01000000 /* 24MHz */
211 #define PCR_CLK_12 0x00000000 /* 12MHz */
212 #define PCR_DMPD1 0x00800000 /* pull down D- on port 1 */
213 #define PCR_DPPD1 0x00400000 /* pull down D+ on port 1 */
214 #define PCR_PORT0_RST 0x00200000 /* port 0 reset */
215 #define PCR_PORT1_RST 0x00100000 /* port 1 reset */
216 #define PCR_WORD_I_F0 0x00080000 /* 1: 16bit/30M, 8/60 otherw. */
217 #define PCR_WORD_I_F1 0x00040000 /* same for port 1 */
218 #define PCR_COMPDISTUNE 0x00038000 /* disconnect threshold */
219 #define PCR_SQRXTUNE1 0x00007000 /* squelch threshold */
220 #define PCR_TXFSLSTUNE1 0x00000f00 /* FS/LS impedance adj. */
221 #define PCR_TXPREEMPH 0x00000080 /* HS transm. pre-emphasis */
222 #define PCR_TXHSXVTUNE1 0x00000060 /* dp/dm voltage adj. */
223 #define PCR_TXVREFTUNE1 0x00000017 /* HS DC voltage adj. */
224 #define PCR_TXRISETUNE1 0x00000001 /* rise/fall wave adj. */
225
226 #define JZ_UHCCDR 0x1000006c /* UHC Clock Divider Register */
227 #define JZ_SPCR0 0x100000b8 /* SRAM Power Control Registers */
228 #define JZ_SPCR1 0x100000bc
229 #define JZ_SRBC 0x100000c4 /* Soft Reset & Bus Control */
230
231 /* interrupt controller */
232 #define JZ_ICSR0 0x10001000 /* raw IRQ line status */
233 #define JZ_ICMR0 0x10001004 /* IRQ mask, 1 masks IRQ */
234 #define JZ_ICMSR0 0x10001008 /* sets bits in mask register */
235 #define JZ_ICMCR0 0x1000100c /* clears bits in mask register */
236 #define JZ_ICPR0 0x10001010 /* line status after masking */
237
238 #define JZ_ICSR1 0x10001020 /* raw IRQ line status */
239 #define JZ_ICMR1 0x10001024 /* IRQ mask, 1 masks IRQ */
240 #define JZ_ICMSR1 0x10001028 /* sets bits in mask register */
241 #define JZ_ICMCR1 0x1000102c /* clears bits in maks register */
242 #define JZ_ICPR1 0x10001030 /* line status after masking */
243
244 #define JZ_DSR0 0x10001034 /* source for PDMA */
245 #define JZ_DMR0 0x10001038 /* mask for PDMA */
246 #define JZ_DPR0 0x1000103c /* pending for PDMA */
247
248 #define JZ_DSR1 0x10001040 /* source for PDMA */
249 #define JZ_DMR1 0x10001044 /* mask for PDMA */
250 #define JZ_DPR1 0x10001048 /* pending for PDMA */
251
252 /* memory controller */
253 #define JZ_DMMAP0 0x13010024
254 #define JZ_DMMAP1 0x13010028
255 #define DMMAP_BASE 0x0000ff00 /* base PADDR of memory chunk */
256 #define DMMAP_MASK 0x000000ff /* mask which bits of PADDR are
257 * constant */
258 /* USB controllers */
259 #define JZ_EHCI_BASE 0x13490000
260 #define JZ_OHCI_BASE 0x134a0000
261 #define JZ_DWC2_BASE 0x13500000
262
263 /* Ethernet */
264 #define JZ_DME_BASE 0x16000000
265 #define JZ_DME_IO 0
266 #define JZ_DME_DATA 2
267
268 /* GPIO */
269 #define JZ_GPIO_A_BASE 0x10010000
270 #define JZ_GPIO_B_BASE 0x10010100
271 #define JZ_GPIO_C_BASE 0x10010200
272 #define JZ_GPIO_D_BASE 0x10010300
273 #define JZ_GPIO_E_BASE 0x10010400
274 #define JZ_GPIO_F_BASE 0x10010500
275
276 /* GPIO registers per port */
277 #define JZ_GPIO_PIN 0x00000000 /* pin level register */
278 /* 0 - normal gpio, 1 - interrupt */
279 #define JZ_GPIO_INT 0x00000010 /* interrupt register */
280 #define JZ_GPIO_INTS 0x00000014 /* interrupt set register */
281 #define JZ_GPIO_INTC 0x00000018 /* interrupt clear register */
282 /*
283 * INT == 1: 1 disables interrupt
284 * INT == 0: device select, see below
285 */
286 #define JZ_GPIO_MASK 0x00000020 /* port mask register */
287 #define JZ_GPIO_MASKS 0x00000024 /* port mask set register */
288 #define JZ_GPIO_MASKC 0x00000028 /* port mask clear register */
289 /*
290 * INT == 1: 0 - level triggered, 1 - edge triggered
291 * INT == 0: 0 - device select, see below
292 */
293 #define JZ_GPIO_PAT1 0x00000030 /* pattern 1 register */
294 #define JZ_GPIO_PAT1S 0x00000034 /* pattern 1 set register */
295 #define JZ_GPIO_PAT1C 0x00000038 /* pattern 1 clear register */
296 /*
297 * INT == 1:
298 * PAT1 == 0: 0 - trigger on low, 1 - trigger on high
299 * PAT1 == 1: 0 - trigger on falling edge, 1 - trigger on rising edge
300 * INT == 0:
301 * MASK == 0:
302 * PAT1 == 0: 0 - device 0, 1 - device 1
303 * PAT1 == 1: 0 - device 2, 1 - device 3
304 * MASK == 1:
305 * PAT1 == 0: set gpio output
306 * PAT1 == 1: pin is input
307 */
308 #define JZ_GPIO_PAT0 0x00000040 /* pattern 0 register */
309 #define JZ_GPIO_PAT0S 0x00000044 /* pattern 0 set register */
310 #define JZ_GPIO_PAT0C 0x00000048 /* pattern 0 clear register */
311 /* 1 - interrupt happened */
312 #define JZ_GPIO_FLAG 0x00000050 /* flag register */
313 #define JZ_GPIO_FLAGC 0x00000058 /* flag clear register */
314 /* 1 - disable pull up/down resistors */
315 #define JZ_GPIO_DPULL 0x00000070 /* pull disable register */
316 #define JZ_GPIO_DPULLS 0x00000074 /* pull disable set register */
317 #define JZ_GPIO_DPULLC 0x00000078 /* pull disable clear register */
318 /* the following are uncommented in the manual */
319 #define JZ_GPIO_DRVL 0x00000080 /* drive low register */
320 #define JZ_GPIO_DRVLS 0x00000084 /* drive low set register */
321 #define JZ_GPIO_DRVLC 0x00000088 /* drive low clear register */
322 #define JZ_GPIO_DIR 0x00000090 /* direction register */
323 #define JZ_GPIO_DIRS 0x00000094 /* direction register */
324 #define JZ_GPIO_DIRC 0x00000098 /* direction register */
325 #define JZ_GPIO_DRVH 0x000000a0 /* drive high register */
326 #define JZ_GPIO_DRVHS 0x000000a4 /* drive high set register */
327 #define JZ_GPIO_DRVHC 0x000000a8 /* drive high clear register */
328
329 static inline void
330 gpio_as_output(uint32_t g, int pin)
331 {
332 uint32_t mask = 1 << pin;
333 uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
334
335 writereg(reg + JZ_GPIO_INTC, mask); /* use as gpio */
336 writereg(reg + JZ_GPIO_MASKS, mask);
337 writereg(reg + JZ_GPIO_PAT1C, mask); /* make output */
338 }
339
340 static inline void
341 gpio_set(uint32_t g, int pin, int level)
342 {
343 uint32_t mask = 1 << pin;
344 uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
345
346 reg += (level == 0) ? JZ_GPIO_PAT0C : JZ_GPIO_PAT0S;
347 writereg(reg, mask);
348 }
349
350 static inline void
351 gpio_as_dev0(uint32_t g, int pin)
352 {
353 uint32_t mask = 1 << pin;
354 uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
355
356 writereg(reg + JZ_GPIO_INTC, mask); /* use as gpio */
357 writereg(reg + JZ_GPIO_MASKC, mask); /* device mode */
358 writereg(reg + JZ_GPIO_PAT1C, mask); /* select 0 */
359 writereg(reg + JZ_GPIO_PAT0C, mask);
360 }
361
362 static inline void
363 gpio_as_intr_level(uint32_t g, int pin)
364 {
365 uint32_t mask = 1 << pin;
366 uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
367
368 writereg(reg + JZ_GPIO_MASKS, mask); /* mask it */
369 writereg(reg + JZ_GPIO_INTS, mask); /* use as interrupt */
370 writereg(reg + JZ_GPIO_PAT1C, mask); /* level trigger */
371 writereg(reg + JZ_GPIO_PAT0S, mask); /* trigger on high */
372 writereg(reg + JZ_GPIO_FLAGC, mask); /* clear it */
373 writereg(reg + JZ_GPIO_MASKC, mask); /* enable it */
374 }
375 #endif /* INGENIC_REGS_H */
376