ingenic_regs.h revision 1.15
1/*	$NetBSD: ingenic_regs.h,v 1.15 2015/04/23 01:20:20 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#ifndef INGENIC_REGS_H
30#define INGENIC_REGS_H
31
32/* for wbflush() */
33#include <mips/locore.h>
34
35/* UARTs, mostly 16550 compatible with 32bit spaced registers */
36#define JZ_UART0 0x10030000
37#define JZ_UART1 0x10031000
38#define JZ_UART2 0x10032000
39#define JZ_UART3 0x10033000
40#define JZ_UART4 0x10034000
41
42/* LCD controller base addresses, registers are in jzfb_regs.h */
43#define JZ_LCDC0_BASE 0x13050000
44#define JZ_LCDC1_BASE 0x130a0000
45
46/* watchdog */
47#define JZ_WDOG_TDR	0x10002000	/* compare */
48#define JZ_WDOG_TCER	0x10002004
49	#define TCER_ENABLE	0x01	/* enable counter */
50#define JZ_WDOG_TCNT	0x10002008	/* 16bit up count */
51#define JZ_WDOG_TCSR	0x1000200c
52	#define TCSR_PCK_EN	0x01	/* PCLK */
53	#define TCSR_RTC_EN	0x02	/* RTCCLK - 32.768kHz */
54	#define TCSR_EXT_EN	0x04	/* EXTCLK - 48MHz */
55	#define TCSR_PRESCALE_M	0x38
56	#define TCSR_DIV_1	0x00
57	#define TCSR_DIV_4	0x08
58	#define TCSR_DIV_16	0x10
59	#define TCSR_DIV_64	0x18
60	#define TCSR_DIV_256	0x20
61	#define TCSR_DIV_1024	0x28
62
63/* timers and PWMs */
64#define JZ_TC_TER	0x10002010	/* TC enable reg, ro */
65#define JZ_TC_TESR	0x10002014	/* TC enable set reg. */
66	#define TESR_TCST0	0x0001	/* enable counter 0 */
67	#define TESR_TCST1	0x0002	/* enable counter 1 */
68	#define TESR_TCST2	0x0004	/* enable counter 2 */
69	#define TESR_TCST3	0x0008	/* enable counter 3 */
70	#define TESR_TCST4	0x0010	/* enable counter 4 */
71	#define TESR_TCST5	0x0020	/* enable counter 5 */
72	#define TESR_TCST6	0x0040	/* enable counter 6 */
73	#define TESR_TCST7	0x0080	/* enable counter 7 */
74	#define TESR_OST	0x8000	/* enable OST */
75#define JZ_TC_TECR	0x10002018	/* TC enable clear reg. */
76#define JZ_TC_TFR	0x10002020
77	#define TFR_FFLAG0	0x00000001	/* channel 0 */
78	#define TFR_FFLAG1	0x00000002	/* channel 1 */
79	#define TFR_FFLAG2	0x00000004	/* channel 2 */
80	#define TFR_FFLAG3	0x00000008	/* channel 3 */
81	#define TFR_FFLAG4	0x00000010	/* channel 4 */
82	#define TFR_FFLAG5	0x00000020	/* channel 5 */
83	#define TFR_FFLAG6	0x00000040	/* channel 6 */
84	#define TFR_FFLAG7	0x00000080	/* channel 7 */
85	#define TFR_OSTFLAG	0x00008000	/* OS timer */
86#define JZ_TC_TFSR	0x10002024	/* timer flag set */
87#define JZ_TC_TFCR	0x10002028	/* timer flag clear */
88#define JZ_TC_TMR	0x10002030	/* timer flag mask */
89#define JZ_TC_TMSR	0x10002034	/* timer flag mask set */
90#define JZ_TC_TMCR	0x10002038	/* timer flag mask clear*/
91
92#define JZ_TC_TDFR(n)	(0x10002040 + (n * 0x10))	/* FULL compare */
93#define JZ_TC_TDHR(n)	(0x10002044 + (n * 0x10))	/* HALF compare */
94#define JZ_TC_TCNT(n)	(0x10002048 + (n * 0x10))	/* count */
95
96#define JZ_TC_TCSR(n)	(0x1000204c + (n * 0x10))
97/* same bits as in JZ_WDOG_TCSR	*/
98
99/* operating system timer */
100#define JZ_OST_DATA	0x100020e0	/* compare */
101#define JZ_OST_CNT_LO	0x100020e4
102#define JZ_OST_CNT_HI	0x100020e8
103#define JZ_OST_CTRL	0x100020ec
104	#define OSTC_PCK_EN	0x0001	/* use PCLK */
105	#define OSTC_RTC_EN	0x0002	/* use RTCCLK */
106	#define OSTC_EXT_EN	0x0004	/* use EXTCLK */
107	#define OSTC_PRESCALE_M	0x0038
108	#define OSTC_DIV_1	0x0000
109	#define OSTC_DIV_4	0x0008
110	#define OSTC_DIV_16	0x0010
111	#define OSTC_DIV_64	0x0018
112	#define OSTC_DIV_256	0x0020
113	#define OSTC_DIV_1024	0x0028
114	#define OSTC_SHUTDOWN	0x0200
115	#define OSTC_MODE	0x8000	/* 0 - reset to 0 when = OST_DATA */
116#define JZ_OST_CNT_U32	0x100020fc	/* copy of CNT_HI when reading CNT_LO */
117
118static inline void
119writereg(uint32_t reg, uint32_t val)
120{
121	*(int32_t *)MIPS_PHYS_TO_KSEG1(reg) = val;
122	wbflush();
123}
124
125static inline uint32_t
126readreg(uint32_t reg)
127{
128	wbflush();
129	return *(int32_t *)MIPS_PHYS_TO_KSEG1(reg);
130}
131
132/* extra CP0 registers */
133static inline uint32_t
134MFC0(uint32_t r, uint32_t s)
135{
136	uint32_t ret = 0x12345678;
137
138	__asm volatile("mfc0 %0, $%1, %2; nop;" : "=r"(ret) : "i"(r), "i"(s));
139	return ret;
140}
141
142#define MTC0(v, r, s) __asm volatile("mtc0 %0, $%1, %2; nop;" :: "r"(v), "i"(r), "i"(s))
143
144#define CP0_CORE_CTRL	12	/* select 2 */
145	#define CC_SW_RST0	1	/* reset core 0 */
146	#define CC_SW_RST1	2	/* reset core 1 */
147	#define CC_RPC0		0x100	/* dedicater reset entry core 0 */
148	#define CC_RPC1		0x200	/* -- || -- core 1 */
149	#define CC_SLEEP0M	0x10000	/* mask sleep core 0 */
150	#define CC_SLEEP1M	0x20000	/* mask sleep core 1 */
151
152/* cores status, 12 select 3 */
153#define CS_MIRQ0_P	0x00001	/* mailbox IRQ for 0 pending */
154#define CS_MIRQ1_P	0x00002	/* || core 1 */
155#define CS_IRQ0_P	0x00100	/* peripheral IRQ for core 0 */
156#define CS_IRQ1_P	0x00200	/* || core 1 */
157#define CS_SLEEP0	0x10000	/* core 0 sleeping */
158#define CS_SLEEP1	0x20000	/* core 1 sleeping */
159
160/* cores reset entry & IRQ masks - 12 select 4 */
161#define REIM_MIRQ0_M	0x00001	/* allow mailbox IRQ for core 0 */
162#define REIM_MIRQ1_M	0x00002	/* allow mailbox IRQ for core 1 */
163#define REIM_IRQ0_M	0x00100	/* allow peripheral IRQ for core 0 */
164#define REIM_IRQ1_M	0x00200	/* allow peripheral IRQ for core 1 */
165#define REIM_ENTRY_M	0xffff0000	/* reset exception entry if RPCn=1 */
166
167#define CP0_CORE_MBOX	20	/* select 0 for core 0, 1 for 1 */
168
169/* power management */
170#define JZ_CPCCR	0x10000000	/* Clock Control Register */
171	#define JZ_PDIV_M	0x000f0000	/* PCLK divider mask */
172	#define JZ_PDIV_S	16		/* PCLK divider shift */
173#define JZ_CPMPCR	0x00000014	/* MPLL */
174	#define JZ_PLLM_S	19		/* PLL multiplier shift */
175	#define JZ_PLLM_M	0xfff80000	/* PLL multiplier mask */
176	#define JZ_PLLN_S	13		/* PLL divider shift */
177	#define JZ_PLLN_M	0x0007e000	/* PLL divider mask */
178	#define JZ_PLLP_S	9		/* PLL postdivider shift */
179	#define JZ_PLLP_M	0x00001700	/* PLL postdivider mask */
180	#define JZ_PLLON	0x00000010	/* PLL is on and stable */
181	#define JZ_PLLBP	0x00000002	/* PLL bypass */
182	#define JZ_PLLEN	0x00000001	/* PLL enable */
183#define JZ_CLKGR0	0x10000020	/* CLocK Gating Registers */
184	#define CLK_NEMC	(1 << 0)
185	#define CLK_BCH		(1 << 1)
186	#define CLK_OTG0	(1 << 2)
187	#define CLK_MSC0	(1 << 3)
188	#define CLK_SSI0	(1 << 4)
189	#define CLK_SMB0	(1 << 5)
190	#define CLK_SMB1	(1 << 6)
191	#define CLK_SCC		(1 << 7)
192	#define CLK_AIC		(1 << 8)
193	#define CLK_TSSI0	(1 << 9)
194	#define CLK_OWI		(1 << 10)
195	#define CLK_MSC1	(1 << 11)
196	#define CLK_MSC2	(1 << 12)
197	#define CLK_KBC		(1 << 13)
198	#define CLK_SADC	(1 << 14)
199	#define CLK_UART0	(1 << 15)
200	#define CLK_UART1	(1 << 16)
201	#define CLK_UART2	(1 << 17)
202	#define CLK_UART3	(1 << 18)
203	#define CLK_SSI1	(1 << 19)
204	#define CLK_SSI2	(1 << 20)
205	#define CLK_PDMA	(1 << 21)
206	#define CLK_GPS		(1 << 22)
207	#define CLK_MAC		(1 << 23)
208	#define CLK_UHC		(1 << 24)
209	#define CLK_SMB2	(1 << 25)
210	#define CLK_CIM		(1 << 26)
211	#define CLK_TVE		(1 << 27)
212	#define CLK_LCD		(1 << 28)
213	#define CLK_IPU		(1 << 29)
214	#define CLK_DDR0	(1 << 30)
215	#define CLK_DDR1	(1 << 31)
216
217#define JZ_OPCR		0x10000024	/* Oscillator Power Control Reg. */
218	#define OPCR_IDLE_DIS	0x80000000	/* don't stop CPU clk on idle */
219	#define OPCR_GPU_CLK_ST	0x40000000	/* stop GPU clock */
220	#define OPCR_L2CM_M	0x0c000000
221	#define OPCR_L2CM_ON	0x00000000	/* L2 stays on in sleep */
222	#define OPCR_L2CM_RET	0x04000000	/* L2 retention mode in sleep */
223	#define OPCR_L2CM_OFF	0x08000000	/* L2 powers down in sleep */
224	#define OPCR_SPENDN0	0x00000080	/* OTG port forced down */
225	#define OPCR_SPENDN1	0x00000040	/* UHC port forced down */
226	#define OPCR_BUS_MODE	0x00000020	/* 1 - bursts */
227	#define OPCR_O1SE	0x00000010	/* EXTCLK on in sleep */
228	#define OPCR_PD		0x00000008	/* P0 down in sleep */
229	#define OPCR_ERCS	0x00000004	/* 1 RTCCLK, 0 EXTCLK/512 */
230	#define OPCR_CPU_MODE	0x00000002	/* 1 access 'accelerated' */
231	#define OPCR_OSE	0x00000001	/* disable EXTCLK */
232#define JZ_CLKGR1	0x10000028	/* CLocK Gating Registers */
233	#define CLK_SMB3	(1 << 0)
234	#define CLK_TSSI1	(1 << 1)
235	#define CLK_VPU		(1 << 2)
236	#define CLK_PCM		(1 << 3)
237	#define CLK_GPU		(1 << 4)
238	#define CLK_COMPRESS	(1 << 5)
239	#define CLK_AIC1	(1 << 6)
240	#define CLK_GPVLC	(1 << 7)
241	#define CLK_OTG1	(1 << 8)
242	#define CLK_HDMI	(1 << 9)
243	#define CLK_UART4	(1 << 10)
244	#define CLK_AHB_MON	(1 << 11)
245	#define CLK_SMB4	(1 << 12)
246	#define CLK_DES		(1 << 13)
247	#define CLK_X2D		(1 << 14)
248	#define CLK_P1		(1 << 15)
249
250#define JZ_USBPCR	0x1000003c
251	#define PCR_USB_MODE		0x80000000	/* 1 - otg */
252	#define PCR_AVLD_REG		0x40000000
253	#define PCR_IDPULLUP_MASK	0x30000000
254	#define PCR_INCR_MASK		0x08000000
255	#define PCR_TCRISETUNE		0x04000000
256	#define PCR_COMMONONN		0x02000000
257	#define PCR_VBUSVLDEXT		0x01000000
258	#define PCR_VBUSVLDEXTSEL	0x00800000
259	#define PCR_POR			0x00400000
260	#define PCR_SIDDQ		0x00200000
261	#define PCR_OTG_DISABLE		0x00100000
262	#define PCR_COMPDISTN_M		0x000e0000
263	#define PCR_OTGTUNE		0x0001c000
264	#define PCR_SQRXTUNE		0x00003800
265	#define PCR_TXFSLSTUNE		0x00000780
266	#define PCR_TXPREEMPHTUNE	0x00000040
267	#define PCR_TXHSXVTUNE		0x00000030
268	#define PCR_TXVREFTUNE		0x0000000f
269#define JZ_USBRDT	0x10000040	/* Reset Detect Timer Register */
270#define JZ_USBPCR1	0x10000048
271	#define PCR_SYNOPSYS	0x10000000	/* Mentor mode otherwise */
272	#define PCR_REFCLK_CORE	0x0c000000
273	#define PCR_REFCLK_XO25	0x04000000
274	#define PCR_REFCLK_CO	0x00000000
275	#define PCR_CLK_M	0x03000000	/* clock */
276	#define PCR_CLK_192	0x03000000	/* 19.2MHz */
277	#define PCR_CLK_48	0x02000000	/* 48MHz */
278	#define PCR_CLK_24	0x01000000	/* 24MHz */
279	#define PCR_CLK_12	0x00000000	/* 12MHz */
280	#define PCR_DMPD1	0x00800000	/* pull down D- on port 1 */
281	#define PCR_DPPD1	0x00400000	/* pull down D+ on port 1 */
282	#define PCR_PORT0_RST	0x00200000	/* port 0 reset */
283	#define PCR_PORT1_RST	0x00100000	/* port 1 reset */
284	#define PCR_WORD_I_F0	0x00080000	/* 1: 16bit/30M, 8/60 otherw. */
285	#define PCR_WORD_I_F1	0x00040000	/* same for port 1 */
286	#define PCR_COMPDISTUNE	0x00038000	/* disconnect threshold */
287	#define PCR_SQRXTUNE1	0x00007000	/* squelch threshold */
288	#define PCR_TXFSLSTUNE1	0x00000f00	/* FS/LS impedance adj. */
289	#define PCR_TXPREEMPH	0x00000080	/* HS transm. pre-emphasis */
290	#define PCR_TXHSXVTUNE1	0x00000060	/* dp/dm voltage adj. */
291	#define PCR_TXVREFTUNE1	0x00000017	/* HS DC voltage adj. */
292	#define PCR_TXRISETUNE1	0x00000001	/* rise/fall wave adj. */
293
294#define JZ_UHCCDR	0x1000006c	/* UHC Clock Divider Register */
295#define JZ_SPCR0	0x100000b8	/* SRAM Power Control Registers */
296#define JZ_SPCR1	0x100000bc
297#define JZ_SRBC		0x100000c4	/* Soft Reset & Bus Control */
298
299/* interrupt controller */
300#define JZ_ICSR0	0x10001000	/* raw IRQ line status */
301#define JZ_ICMR0	0x10001004	/* IRQ mask, 1 masks IRQ */
302#define JZ_ICMSR0	0x10001008	/* sets bits in mask register */
303#define JZ_ICMCR0	0x1000100c	/* clears bits in mask register */
304#define JZ_ICPR0	0x10001010	/* line status after masking */
305
306#define JZ_ICSR1	0x10001020	/* raw IRQ line status */
307#define JZ_ICMR1	0x10001024	/* IRQ mask, 1 masks IRQ */
308#define JZ_ICMSR1	0x10001028	/* sets bits in mask register */
309#define JZ_ICMCR1	0x1000102c	/* clears bits in maks register */
310#define JZ_ICPR1	0x10001030	/* line status after masking */
311
312#define JZ_DSR0		0x10001034	/* source for PDMA */
313#define JZ_DMR0		0x10001038	/* mask for PDMA */
314#define JZ_DPR0		0x1000103c	/* pending for PDMA */
315
316#define JZ_DSR1		0x10001040	/* source for PDMA */
317#define JZ_DMR1		0x10001044	/* mask for PDMA */
318#define JZ_DPR1		0x10001048	/* pending for PDMA */
319
320/* memory controller */
321#define JZ_DMMAP0	0x13010024
322#define JZ_DMMAP1	0x13010028
323	#define	DMMAP_BASE	0x0000ff00	/* base PADDR of memory chunk */
324	#define DMMAP_MASK	0x000000ff	/* mask which bits of PADDR are
325						 * constant */
326/* USB controllers */
327#define JZ_EHCI_BASE	0x13490000
328#define JZ_OHCI_BASE	0x134a0000
329#define JZ_DWC2_BASE	0x13500000
330
331/* Ethernet */
332#define JZ_DME_BASE	0x16000000
333#define JZ_DME_IO	0
334#define JZ_DME_DATA	2
335
336/* GPIO */
337#define JZ_GPIO_A_BASE	0x10010000
338#define JZ_GPIO_B_BASE	0x10010100
339#define JZ_GPIO_C_BASE	0x10010200
340#define JZ_GPIO_D_BASE	0x10010300
341#define JZ_GPIO_E_BASE	0x10010400
342#define JZ_GPIO_F_BASE	0x10010500
343
344/* GPIO registers per port */
345#define JZ_GPIO_PIN	0x00000000	/* pin level register */
346/* 0 - normal gpio, 1 - interrupt */
347#define JZ_GPIO_INT	0x00000010	/* interrupt register */
348#define JZ_GPIO_INTS	0x00000014	/* interrupt set register */
349#define JZ_GPIO_INTC	0x00000018	/* interrupt clear register */
350/*
351 * INT == 1: 1 disables interrupt
352 * INT == 0: device select, see below
353 */
354#define JZ_GPIO_MASK	0x00000020	/* port mask register */
355#define JZ_GPIO_MASKS	0x00000024	/* port mask set register */
356#define JZ_GPIO_MASKC	0x00000028	/* port mask clear register */
357/*
358 * INT == 1: 0 - level triggered, 1 - edge triggered
359 * INT == 0: 0 - device select, see below
360 */
361#define JZ_GPIO_PAT1	0x00000030	/* pattern 1 register */
362#define JZ_GPIO_PAT1S	0x00000034	/* pattern 1 set register */
363#define JZ_GPIO_PAT1C	0x00000038	/* pattern 1 clear register */
364/*
365 * INT == 1:
366 *   PAT1 == 0: 0 - trigger on low, 1 - trigger on high
367 *   PAT1 == 1: 0 - trigger on falling edge, 1 - trigger on rising edge
368 * INT == 0:
369 *   MASK == 0:
370 *     PAT1 == 0: 0 - device 0, 1 - device 1
371 *     PAT1 == 1: 0 - device 2, 1 - device 3
372 *   MASK == 1:
373 *     PAT1 == 0: set gpio output
374 *     PAT1 == 1: pin is input
375 */
376#define JZ_GPIO_PAT0	0x00000040	/* pattern 0 register */
377#define JZ_GPIO_PAT0S	0x00000044	/* pattern 0 set register */
378#define JZ_GPIO_PAT0C	0x00000048	/* pattern 0 clear register */
379/* 1 - interrupt happened */
380#define JZ_GPIO_FLAG	0x00000050	/* flag register */
381#define JZ_GPIO_FLAGC	0x00000058	/* flag clear register */
382/* 1 - disable pull up/down resistors */
383#define JZ_GPIO_DPULL	0x00000070	/* pull disable register */
384#define JZ_GPIO_DPULLS	0x00000074	/* pull disable set register */
385#define JZ_GPIO_DPULLC	0x00000078	/* pull disable clear register */
386/* the following are uncommented in the manual */
387#define JZ_GPIO_DRVL	0x00000080	/* drive low register */
388#define JZ_GPIO_DRVLS	0x00000084	/* drive low set register */
389#define JZ_GPIO_DRVLC	0x00000088	/* drive low clear register */
390#define JZ_GPIO_DIR	0x00000090	/* direction register */
391#define JZ_GPIO_DIRS	0x00000094	/* direction register */
392#define JZ_GPIO_DIRC	0x00000098	/* direction register */
393#define JZ_GPIO_DRVH	0x000000a0	/* drive high register */
394#define JZ_GPIO_DRVHS	0x000000a4	/* drive high set register */
395#define JZ_GPIO_DRVHC	0x000000a8	/* drive high clear register */
396
397static inline void
398gpio_as_output(uint32_t g, int pin)
399{
400	uint32_t mask = 1 << pin;
401	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
402
403	writereg(reg + JZ_GPIO_INTC, mask);	/* use as gpio */
404	writereg(reg + JZ_GPIO_MASKS, mask);
405	writereg(reg + JZ_GPIO_PAT1C, mask);	/* make output */
406}
407
408static inline void
409gpio_set(uint32_t g, int pin, int level)
410{
411	uint32_t mask = 1 << pin;
412	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
413
414	reg += (level == 0) ? JZ_GPIO_PAT0C : JZ_GPIO_PAT0S;
415	writereg(reg, mask);
416}
417
418static inline void
419gpio_as_dev0(uint32_t g, int pin)
420{
421	uint32_t mask = 1 << pin;
422	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
423
424	writereg(reg + JZ_GPIO_INTC, mask);	/* use as gpio */
425	writereg(reg + JZ_GPIO_MASKC, mask);	/* device mode */
426	writereg(reg + JZ_GPIO_PAT1C, mask);	/* select 0 */
427	writereg(reg + JZ_GPIO_PAT0C, mask);
428}
429
430static inline void
431gpio_as_dev1(uint32_t g, int pin)
432{
433	uint32_t mask = 1 << pin;
434	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
435
436	writereg(reg + JZ_GPIO_INTC, mask);	/* use as gpio */
437	writereg(reg + JZ_GPIO_MASKC, mask);	/* device mode */
438	writereg(reg + JZ_GPIO_PAT1C, mask);	/* select 1 */
439	writereg(reg + JZ_GPIO_PAT0S, mask);
440}
441
442static inline void
443gpio_as_dev2(uint32_t g, int pin)
444{
445	uint32_t mask = 1 << pin;
446	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
447
448	writereg(reg + JZ_GPIO_INTC, mask);	/* use as gpio */
449	writereg(reg + JZ_GPIO_MASKC, mask);	/* device mode */
450	writereg(reg + JZ_GPIO_PAT1S, mask);	/* select 2 */
451	writereg(reg + JZ_GPIO_PAT0C, mask);
452}
453
454static inline void
455gpio_as_dev3(uint32_t g, int pin)
456{
457	uint32_t mask = 1 << pin;
458	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
459
460	writereg(reg + JZ_GPIO_INTC, mask);	/* use as gpio */
461	writereg(reg + JZ_GPIO_MASKC, mask);	/* device mode */
462	writereg(reg + JZ_GPIO_PAT1S, mask);	/* select 3 */
463	writereg(reg + JZ_GPIO_PAT0S, mask);
464}
465
466static inline void
467gpio_as_intr_level(uint32_t g, int pin)
468{
469	uint32_t mask = 1 << pin;
470	uint32_t reg = JZ_GPIO_A_BASE + (g << 8);
471
472	writereg(reg + JZ_GPIO_MASKS, mask);	/* mask it */
473	writereg(reg + JZ_GPIO_INTS, mask);	/* use as interrupt */
474	writereg(reg + JZ_GPIO_PAT1C, mask);	/* level trigger */
475	writereg(reg + JZ_GPIO_PAT0S, mask);	/* trigger on high */
476	writereg(reg + JZ_GPIO_FLAGC, mask);	/* clear it */
477	writereg(reg + JZ_GPIO_MASKC, mask);	/* enable it */
478}
479
480/* I2C / SMBus */
481#define JZ_SMB0_BASE	0x10050000
482#define JZ_SMB1_BASE	0x10051000
483#define JZ_SMB2_BASE	0x10052000
484#define JZ_SMB3_BASE	0x10053000
485#define JZ_SMB4_BASE	0x10054000
486
487/* SMBus register offsets, per port */
488#define JZ_SMBCON	0x00 /* SMB control */
489	#define JZ_STPHLD	0x80 /* Stop Hold Enable bit */
490	#define JZ_SLVDIS	0x40 /* 1 - slave disabled */
491	#define JZ_REST		0x20 /* 1 - allow RESTART */
492	#define JZ_MATP		0x10 /* 1 - enable 10bit addr. for master */
493	#define JZ_SATP		0x08 /* 1 - enable 10bit addr. for slave */
494	#define JZ_SPD_M	0x06 /* bus speed control */
495	#define JZ_SPD_100KB	0x02 /* 100kBit/s mode */
496	#define JZ_SPD_400KB	0x04 /* 400kBit/s mode */
497	#define JZ_MD		0x01 /* enable master */
498#define JZ_SMBTAR	0x04 /* SMB target address */
499	#define JZ_SMATP	0x1000 /* enable 10bit master addr */
500	#define JZ_SPECIAL	0x0800 /* 1 - special command */
501	#define JZ_START	0x0400 /* 1 - send START */
502	#define JZ_SMBTAR_M	0x03ff /* target address */
503#define JZ_SMBSAR	0x08 /* SMB slave address */
504#define JZ_SMBDC	0x10 /* SMB data buffer and command */
505	#define JZ_CMD	0x100 /* 1 - read, 0 - write */
506	#define JZ_DATA	0x0ff
507#define JZ_SMBSHCNT	0x14 /* Standard speed SMB SCL high count */
508#define JZ_SMBSLCNT	0x18 /* Standard speed SMB SCL low count */
509#define JZ_SMBFHCNT	0x1C /* Fast speed SMB SCL high count */
510#define JZ_SMBFLCNT	0x20 /* Fast speed SMB SCL low count */
511#define JZ_SMBINTST	0x2C /* SMB Interrupt Status */
512	#define JZ_ISTT		0x400	/* START or RESTART occured */
513	#define JZ_ISTP		0x200	/* STOP occured */
514	#define JZ_TXABT	0x40	/* ABORT occured */
515	#define JZ_TXEMP	0x10	/* TX FIFO is low */
516	#define JZ_TXOF		0x08	/* TX FIFO is high */
517	#define JZ_RXFL		0x04	/* RX FIFO is at  JZ_SMBRXTL*/
518	#define JZ_RXOF		0x02	/* RX FIFO is high */
519	#define JZ_RXUF		0x01	/* RX FIFO underflow */
520#define JZ_SMBINTM	0x30 /* SMB Interrupt Mask */
521#define JZ_SMBRXTL	0x38 /* SMB RxFIFO Threshold */
522#define JZ_SMBTXTL	0x3C /* SMB TxFIFO Threshold */
523#define JZ_SMBCINT	0x40 /* Clear Interrupts */
524	#define JZ_CLEARALL	0x01
525#define JZ_SMBCRXUF	0x44 /* Clear RXUF Interrupt */
526#define JZ_SMBCRXOF	0x48 /* Clear RX_OVER Interrupt */
527#define JZ_SMBCTXOF	0x4C /* Clear TX_OVER Interrupt */
528#define JZ_SMBCRXREQ	0x50 /* Clear RDREQ Interrupt */
529#define JZ_SMBCTXABT	0x54 /* Clear TX_ABRT Interrupt */
530#define JZ_SMBCRXDN	0x58 /* Clear RX_DONE Interrupt */
531#define JZ_SMBCACT	0x5c /* Clear ACTIVITY Interrupt */
532#define JZ_SMBCSTP	0x60 /* Clear STOP Interrupt */
533#define JZ_SMBCSTT	0x64 /* Clear START Interrupt */
534#define JZ_SMBCGC	0x68 /* Clear GEN_CALL Interrupt */
535#define JZ_SMBENB	0x6C /* SMB Enable */
536	#define JZ_ENABLE	0x01
537#define JZ_SMBST	0x70 /* SMB Status register */
538	#define JZ_SLVACT	0x40 /* slave is active */
539	#define JZ_MSTACT	0x20 /* master is active */
540	#define JZ_RFF		0x10 /* RX FIFO is full */
541	#define JZ_RFNE		0x08 /* RX FIFO not empty */
542	#define JZ_TFE		0x04 /* TX FIFO is empty */
543	#define JZ_TFNF		0x02 /* TX FIFO is not full */
544	#define JZ_ACT		0x01 /* JZ_SLVACT | JZ_MSTACT */
545#define JZ_SMBABTSRC	0x80 /* SMB Transmit Abort Status Register */
546#define JZ_SMBDMACR	0x88 /* DMA Control Register */
547#define JZ_SMBDMATDL	0x8c /* DMA Transmit Data Level */
548#define JZ_SMBDMARDL	0x90 /* DMA Receive Data Level */
549#define JZ_SMBSDASU	0x94 /* SMB SDA Setup Register */
550#define JZ_SMBACKGC	0x98 /* SMB ACK General Call Register */
551#define JZ_SMBENBST	0x9C /* SMB Enable Status Register */
552#define JZ_SMBSDAHD	0xD0 /* SMB SDA HolD time Register */
553	#define JZ_HDENB	0x100	/* enable hold time */
554
555/* SD/MMC hosts */
556#define JZ_MSC0_BASE	0x13450000
557#define JZ_MSC1_BASE	0x13460000
558#define JZ_MSC2_BASE	0x13470000
559
560#endif /* INGENIC_REGS_H */
561