1 /*
2  * Copyright (c) 2020 ITE Corporation. All Rights Reserved.
3  * SPDX-License-Identifier: Apache-2.0
4  */
5 
6 #ifndef CHIP_CHIPREGS_H
7 #define CHIP_CHIPREGS_H
8 
9 #include <zephyr/sys/util.h>
10 
11 #define EC_REG_BASE_ADDR 0x00f00000
12 
13 #ifdef _ASMLANGUAGE
14 #define ECREG(x)        x
15 #else
16 
17 /*
18  * Macros for hardware registers access.
19  */
20 #define ECREG(x)		(*((volatile unsigned char *)(x)))
21 #define ECREG_u16(x)		(*((volatile unsigned short *)(x)))
22 #define ECREG_u32(x)		(*((volatile unsigned long  *)(x)))
23 
24 /*
25  * MASK operation macros
26  */
27 #define SET_MASK(reg, bit_mask)			((reg) |= (bit_mask))
28 #define CLEAR_MASK(reg, bit_mask)		((reg) &= (~(bit_mask)))
29 #define IS_MASK_SET(reg, bit_mask)		(((reg) & (bit_mask)) != 0)
30 #endif /* _ASMLANGUAGE */
31 
32 #ifndef REG_BASE_ADDR
33 #define REG_BASE_ADDR				EC_REG_BASE_ADDR
34 #endif
35 
36 /* Common definition */
37 /*
38  * EC clock frequency (PWM and tachometer driver need it to reply
39  * to api or calculate RPM)
40  */
41 #define EC_FREQ			MHZ(8)
42 
43 
44 /* --- General Control (GCTRL) --- */
45 #define IT8XXX2_GCTRL_BASE      0x00F02000
46 #define IT8XXX2_GCTRL_EIDSR     ECREG(IT8XXX2_GCTRL_BASE + 0x31)
47 
48 /**
49  *
50  * (11xxh) Interrupt controller (INTC)
51  *
52  */
53 #define ISR0			ECREG(EC_REG_BASE_ADDR + 0x3F00)
54 #define ISR1			ECREG(EC_REG_BASE_ADDR + 0x3F01)
55 #define ISR2			ECREG(EC_REG_BASE_ADDR + 0x3F02)
56 #define ISR3			ECREG(EC_REG_BASE_ADDR + 0x3F03)
57 #define ISR4			ECREG(EC_REG_BASE_ADDR + 0x3F14)
58 #define ISR5			ECREG(EC_REG_BASE_ADDR + 0x3F18)
59 #define ISR6			ECREG(EC_REG_BASE_ADDR + 0x3F1C)
60 #define ISR7			ECREG(EC_REG_BASE_ADDR + 0x3F20)
61 #define ISR8			ECREG(EC_REG_BASE_ADDR + 0x3F24)
62 #define ISR9			ECREG(EC_REG_BASE_ADDR + 0x3F28)
63 #define ISR10			ECREG(EC_REG_BASE_ADDR + 0x3F2C)
64 #define ISR11			ECREG(EC_REG_BASE_ADDR + 0x3F30)
65 #define ISR12			ECREG(EC_REG_BASE_ADDR + 0x3F34)
66 #define ISR13			ECREG(EC_REG_BASE_ADDR + 0x3F38)
67 #define ISR14			ECREG(EC_REG_BASE_ADDR + 0x3F3C)
68 #define ISR15			ECREG(EC_REG_BASE_ADDR + 0x3F40)
69 #define ISR16			ECREG(EC_REG_BASE_ADDR + 0x3F44)
70 #define ISR17			ECREG(EC_REG_BASE_ADDR + 0x3F48)
71 #define ISR18			ECREG(EC_REG_BASE_ADDR + 0x3F4C)
72 #define ISR19			ECREG(EC_REG_BASE_ADDR + 0x3F50)
73 #define ISR20			ECREG(EC_REG_BASE_ADDR + 0x3F54)
74 #define ISR21			ECREG(EC_REG_BASE_ADDR + 0x3F58)
75 #define ISR22			ECREG(EC_REG_BASE_ADDR + 0x3F5C)
76 #define ISR23			ECREG(EC_REG_BASE_ADDR + 0x3F90)
77 
78 #define IER0			ECREG(EC_REG_BASE_ADDR + 0x3F04)
79 #define IER1			ECREG(EC_REG_BASE_ADDR + 0x3F05)
80 #define IER2			ECREG(EC_REG_BASE_ADDR + 0x3F06)
81 #define IER3			ECREG(EC_REG_BASE_ADDR + 0x3F07)
82 #define IER4			ECREG(EC_REG_BASE_ADDR + 0x3F15)
83 #define IER5			ECREG(EC_REG_BASE_ADDR + 0x3F19)
84 #define IER6			ECREG(EC_REG_BASE_ADDR + 0x3F1D)
85 #define IER7			ECREG(EC_REG_BASE_ADDR + 0x3F21)
86 #define IER8			ECREG(EC_REG_BASE_ADDR + 0x3F25)
87 #define IER9			ECREG(EC_REG_BASE_ADDR + 0x3F29)
88 #define IER10			ECREG(EC_REG_BASE_ADDR + 0x3F2D)
89 #define IER11			ECREG(EC_REG_BASE_ADDR + 0x3F31)
90 #define IER12			ECREG(EC_REG_BASE_ADDR + 0x3F35)
91 #define IER13			ECREG(EC_REG_BASE_ADDR + 0x3F39)
92 #define IER14			ECREG(EC_REG_BASE_ADDR + 0x3F3D)
93 #define IER15			ECREG(EC_REG_BASE_ADDR + 0x3F41)
94 #define IER16			ECREG(EC_REG_BASE_ADDR + 0x3F45)
95 #define IER17			ECREG(EC_REG_BASE_ADDR + 0x3F49)
96 #define IER18			ECREG(EC_REG_BASE_ADDR + 0x3F4D)
97 #define IER19			ECREG(EC_REG_BASE_ADDR + 0x3F51)
98 #define IER20			ECREG(EC_REG_BASE_ADDR + 0x3F55)
99 #define IER21			ECREG(EC_REG_BASE_ADDR + 0x3F59)
100 #define IER22			ECREG(EC_REG_BASE_ADDR + 0x3F5D)
101 #define IER23			ECREG(EC_REG_BASE_ADDR + 0x3F91)
102 
103 #define IELMR0			ECREG(EC_REG_BASE_ADDR + 0x3F08)
104 #define IELMR1			ECREG(EC_REG_BASE_ADDR + 0x3F09)
105 #define IELMR2			ECREG(EC_REG_BASE_ADDR + 0x3F0A)
106 #define IELMR3			ECREG(EC_REG_BASE_ADDR + 0x3F0B)
107 #define IELMR4			ECREG(EC_REG_BASE_ADDR + 0x3F16)
108 #define IELMR5			ECREG(EC_REG_BASE_ADDR + 0x3F1A)
109 #define IELMR6			ECREG(EC_REG_BASE_ADDR + 0x3F1E)
110 #define IELMR7			ECREG(EC_REG_BASE_ADDR + 0x3F22)
111 #define IELMR8			ECREG(EC_REG_BASE_ADDR + 0x3F26)
112 #define IELMR9			ECREG(EC_REG_BASE_ADDR + 0x3F2A)
113 #define IELMR10			ECREG(EC_REG_BASE_ADDR + 0x3F2E)
114 #define IELMR11			ECREG(EC_REG_BASE_ADDR + 0x3F32)
115 #define IELMR12			ECREG(EC_REG_BASE_ADDR + 0x3F36)
116 #define IELMR13			ECREG(EC_REG_BASE_ADDR + 0x3F3A)
117 #define IELMR14			ECREG(EC_REG_BASE_ADDR + 0x3F3E)
118 #define IELMR15			ECREG(EC_REG_BASE_ADDR + 0x3F42)
119 #define IELMR16			ECREG(EC_REG_BASE_ADDR + 0x3F46)
120 #define IELMR17			ECREG(EC_REG_BASE_ADDR + 0x3F4A)
121 #define IELMR18			ECREG(EC_REG_BASE_ADDR + 0x3F4E)
122 #define IELMR19			ECREG(EC_REG_BASE_ADDR + 0x3F52)
123 #define IELMR20			ECREG(EC_REG_BASE_ADDR + 0x3F56)
124 #define IELMR21			ECREG(EC_REG_BASE_ADDR + 0x3F5A)
125 #define IELMR22			ECREG(EC_REG_BASE_ADDR + 0x3F5E)
126 #define IELMR23			ECREG(EC_REG_BASE_ADDR + 0x3F92)
127 
128 #define IPOLR0			ECREG(EC_REG_BASE_ADDR + 0x3F0C)
129 #define IPOLR1			ECREG(EC_REG_BASE_ADDR + 0x3F0D)
130 #define IPOLR2			ECREG(EC_REG_BASE_ADDR + 0x3F0E)
131 #define IPOLR3			ECREG(EC_REG_BASE_ADDR + 0x3F0F)
132 #define IPOLR4			ECREG(EC_REG_BASE_ADDR + 0x3F17)
133 #define IPOLR5			ECREG(EC_REG_BASE_ADDR + 0x3F1B)
134 #define IPOLR6			ECREG(EC_REG_BASE_ADDR + 0x3F1F)
135 #define IPOLR7			ECREG(EC_REG_BASE_ADDR + 0x3F23)
136 #define IPOLR8			ECREG(EC_REG_BASE_ADDR + 0x3F27)
137 #define IPOLR9			ECREG(EC_REG_BASE_ADDR + 0x3F2B)
138 #define IPOLR10			ECREG(EC_REG_BASE_ADDR + 0x3F2F)
139 #define IPOLR11			ECREG(EC_REG_BASE_ADDR + 0x3F33)
140 #define IPOLR12			ECREG(EC_REG_BASE_ADDR + 0x3F37)
141 #define IPOLR13			ECREG(EC_REG_BASE_ADDR + 0x3F3B)
142 #define IPOLR14			ECREG(EC_REG_BASE_ADDR + 0x3F3F)
143 #define IPOLR15			ECREG(EC_REG_BASE_ADDR + 0x3F43)
144 #define IPOLR16			ECREG(EC_REG_BASE_ADDR + 0x3F47)
145 #define IPOLR17			ECREG(EC_REG_BASE_ADDR + 0x3F4B)
146 #define IPOLR18			ECREG(EC_REG_BASE_ADDR + 0x3F4F)
147 #define IPOLR19			ECREG(EC_REG_BASE_ADDR + 0x3F53)
148 #define IPOLR20			ECREG(EC_REG_BASE_ADDR + 0x3F57)
149 #define IPOLR21			ECREG(EC_REG_BASE_ADDR + 0x3F5B)
150 #define IPOLR22			ECREG(EC_REG_BASE_ADDR + 0x3F5F)
151 #define IPOLR23			ECREG(EC_REG_BASE_ADDR + 0x3F93)
152 
153 #define IVECT			ECREG(EC_REG_BASE_ADDR + 0x3F10)
154 
155 
156 /*
157  * TODO: use pinctrl node instead of following register declarations
158  *       to fix in tcpm\it83xx_pd.h.
159  */
160 /* GPIO control register */
161 #define GPCRF4			ECREG(EC_REG_BASE_ADDR + 0x163C)
162 #define GPCRF5			ECREG(EC_REG_BASE_ADDR + 0x163D)
163 #define GPCRH1			ECREG(EC_REG_BASE_ADDR + 0x1649)
164 #define GPCRH2			ECREG(EC_REG_BASE_ADDR + 0x164A)
165 
166 /*
167  * IT8XXX2 register structure size/offset checking macro function to mitigate
168  * the risk of unexpected compiling results.
169  */
170 #define IT8XXX2_REG_SIZE_CHECK(reg_def, size) \
171 	BUILD_ASSERT(sizeof(struct reg_def) == size, \
172 		"Failed in size check of register structure!")
173 #define IT8XXX2_REG_OFFSET_CHECK(reg_def, member, offset) \
174 	BUILD_ASSERT(offsetof(struct reg_def, member) == offset, \
175 		"Failed in offset check of register structure member!")
176 
177 /**
178  *
179  * (18xxh) PWM & SmartAuto Fan Control (PWM)
180  *
181  */
182 #ifndef __ASSEMBLER__
183 struct pwm_it8xxx2_regs {
184 	/* 0x000: Channel0 Clock Prescaler */
185 	volatile uint8_t C0CPRS;
186 	/* 0x001: Cycle Time0 */
187 	volatile uint8_t CTR;
188 	/* 0x002~0x00A: Reserved1 */
189 	volatile uint8_t Reserved1[9];
190 	/* 0x00B: Prescaler Clock Frequency Select */
191 	volatile uint8_t PCFSR;
192 	/* 0x00C~0x00F: Reserved2 */
193 	volatile uint8_t Reserved2[4];
194 	/* 0x010: Cycle Time1 MSB */
195 	volatile uint8_t CTR1M;
196 	/* 0x011~0x022: Reserved3 */
197 	volatile uint8_t Reserved3[18];
198 	/* 0x023: PWM Clock Control */
199 	volatile uint8_t ZTIER;
200 	/* 0x024~0x026: Reserved4 */
201 	volatile uint8_t Reserved4[3];
202 	/* 0x027: Channel4 Clock Prescaler */
203 	volatile uint8_t C4CPRS;
204 	/* 0x028: Channel4 Clock Prescaler MSB */
205 	volatile uint8_t C4MCPRS;
206 	/* 0x029~0x02A: Reserved5 */
207 	volatile uint8_t Reserved5[2];
208 	/* 0x02B: Channel6 Clock Prescaler */
209 	volatile uint8_t C6CPRS;
210 	/* 0x02C: Channel6 Clock Prescaler MSB */
211 	volatile uint8_t C6MCPRS;
212 	/* 0x02D: Channel7 Clock Prescaler */
213 	volatile uint8_t C7CPRS;
214 	/* 0x02E: Channel7 Clock Prescaler MSB */
215 	volatile uint8_t C7MCPRS;
216 	/* 0x02F~0x040: Reserved6 */
217 	volatile uint8_t reserved6[18];
218 	/* 0x041: Cycle Time1 */
219 	volatile uint8_t CTR1;
220 	/* 0x042: Cycle Time2 */
221 	volatile uint8_t CTR2;
222 	/* 0x043: Cycle Time3 */
223 	volatile uint8_t CTR3;
224 };
225 #endif /* !__ASSEMBLER__ */
226 
227 /* PWM register fields */
228 /* 0x023: PWM Clock Control */
229 #define IT8XXX2_PWM_PCCE		BIT(1)
230 /* 0x048: Tachometer Switch Control */
231 #define IT8XXX2_PWM_T0DVS		BIT(3)
232 #define IT8XXX2_PWM_T0CHSEL		BIT(2)
233 #define IT8XXX2_PWM_T1DVS		BIT(1)
234 #define IT8XXX2_PWM_T1CHSEL		BIT(0)
235 
236 
237 /* --- Wake-Up Control (WUC) --- */
238 #define IT8XXX2_WUC_BASE   0x00F01B00
239 
240 /* TODO: should a defined interface for configuring wake-up interrupts */
241 #define IT8XXX2_WUC_WUEMR1 (IT8XXX2_WUC_BASE + 0x00)
242 #define IT8XXX2_WUC_WUEMR5 (IT8XXX2_WUC_BASE + 0x0c)
243 #define IT8XXX2_WUC_WUESR1 (IT8XXX2_WUC_BASE + 0x04)
244 #define IT8XXX2_WUC_WUESR5 (IT8XXX2_WUC_BASE + 0x0d)
245 #define IT8XXX2_WUC_WUBEMR1 (IT8XXX2_WUC_BASE + 0x3c)
246 #define IT8XXX2_WUC_WUBEMR5 (IT8XXX2_WUC_BASE + 0x0f)
247 
248 /**
249  *
250  * (1Dxxh) Keyboard Matrix Scan control (KSCAN)
251  *
252  */
253 #ifndef __ASSEMBLER__
254 struct kscan_it8xxx2_regs {
255 	/* 0x000: Keyboard Scan Out */
256 	volatile uint8_t KBS_KSOL;
257 	/* 0x001: Keyboard Scan Out */
258 	volatile uint8_t KBS_KSOH1;
259 	/* 0x002: Keyboard Scan Out Control */
260 	volatile uint8_t KBS_KSOCTRL;
261 	/* 0x003: Keyboard Scan Out */
262 	volatile uint8_t KBS_KSOH2;
263 	/* 0x004: Keyboard Scan In */
264 	volatile uint8_t KBS_KSI;
265 	/* 0x005: Keyboard Scan In Control */
266 	volatile uint8_t KBS_KSICTRL;
267 	/* 0x006: Keyboard Scan In [7:0] GPIO Control */
268 	volatile uint8_t KBS_KSIGCTRL;
269 	/* 0x007: Keyboard Scan In [7:0] GPIO Output Enable */
270 	volatile uint8_t KBS_KSIGOEN;
271 	/* 0x008: Keyboard Scan In [7:0] GPIO Data */
272 	volatile uint8_t KBS_KSIGDAT;
273 	/* 0x009: Keyboard Scan In [7:0] GPIO Data Mirror */
274 	volatile uint8_t KBS_KSIGDMRR;
275 	/* 0x00A: Keyboard Scan Out [15:8] GPIO Control */
276 	volatile uint8_t KBS_KSOHGCTRL;
277 	/* 0x00B: Keyboard Scan Out [15:8] GPIO Output Enable */
278 	volatile uint8_t KBS_KSOHGOEN;
279 	/* 0x00C: Keyboard Scan Out [15:8] GPIO Data Mirror */
280 	volatile uint8_t KBS_KSOHGDMRR;
281 	/* 0x00D: Keyboard Scan Out [7:0] GPIO Control */
282 	volatile uint8_t KBS_KSOLGCTRL;
283 	/* 0x00E: Keyboard Scan Out [7:0] GPIO Output Enable */
284 	volatile uint8_t KBS_KSOLGOEN;
285 };
286 #endif /* !__ASSEMBLER__ */
287 
288 /* KBS register fields */
289 /* 0x002: Keyboard Scan Out Control */
290 #define IT8XXX2_KBS_KSOPU	BIT(2)
291 #define IT8XXX2_KBS_KSOOD	BIT(0)
292 /* 0x005: Keyboard Scan In Control */
293 #define IT8XXX2_KBS_KSIPU	BIT(2)
294 /* 0x00D: Keyboard Scan Out [7:0] GPIO Control */
295 #define IT8XXX2_KBS_KSO2GCTRL	BIT(2)
296 /* 0x00E: Keyboard Scan Out [7:0] GPIO Output Enable */
297 #define IT8XXX2_KBS_KSO2GOEN	BIT(2)
298 
299 
300 /**
301  *
302  * (1Fxxh) External Timer & External Watchdog (ETWD)
303  *
304  */
305 #ifndef __ASSEMBLER__
306 struct wdt_it8xxx2_regs {
307 	/* 0x000: Reserved1 */
308 	volatile uint8_t reserved1;
309 	/* 0x001: External Timer1/WDT Configuration */
310 	volatile uint8_t ETWCFG;
311 	/* 0x002: External Timer1 Prescaler */
312 	volatile uint8_t ET1PSR;
313 	/* 0x003: External Timer1 Counter High Byte */
314 	volatile uint8_t ET1CNTLHR;
315 	/* 0x004: External Timer1 Counter Low Byte */
316 	volatile uint8_t ET1CNTLLR;
317 	/* 0x005: External Timer1/WDT Control */
318 	volatile uint8_t ETWCTRL;
319 	/* 0x006: External WDT Counter Low Byte */
320 	volatile uint8_t EWDCNTLR;
321 	/* 0x007: External WDT Key */
322 	volatile uint8_t EWDKEYR;
323 	/* 0x008: Reserved2 */
324 	volatile uint8_t reserved2;
325 	/* 0x009: External WDT Counter High Byte */
326 	volatile uint8_t EWDCNTHR;
327 	/* 0x00A: External Timer2 Prescaler */
328 	volatile uint8_t ET2PSR;
329 	/* 0x00B: External Timer2 Counter High Byte */
330 	volatile uint8_t ET2CNTLHR;
331 	/* 0x00C: External Timer2 Counter Low Byte */
332 	volatile uint8_t ET2CNTLLR;
333 	/* 0x00D: Reserved3 */
334 	volatile uint8_t reserved3;
335 	/* 0x00E: External Timer2 Counter High Byte2 */
336 	volatile uint8_t ET2CNTLH2R;
337 };
338 #endif /* !__ASSEMBLER__ */
339 
340 /* WDT register fields */
341 /* 0x001: External Timer1/WDT Configuration */
342 #define IT8XXX2_WDT_EWDKEYEN		BIT(5)
343 #define IT8XXX2_WDT_EWDSRC		BIT(4)
344 #define IT8XXX2_WDT_LEWDCNTL		BIT(3)
345 #define IT8XXX2_WDT_LET1CNTL		BIT(2)
346 #define IT8XXX2_WDT_LET1PS		BIT(1)
347 #define IT8XXX2_WDT_LETWCFG		BIT(0)
348 /* 0x002: External Timer1 Prescaler */
349 #define IT8XXX2_WDT_ETPS_32P768_KHZ	0x00
350 #define IT8XXX2_WDT_ETPS_1P024_KHZ	0x01
351 #define IT8XXX2_WDT_ETPS_32_HZ		0x02
352 /* 0x005: External Timer1/WDT Control */
353 #define IT8XXX2_WDT_EWDSCEN		BIT(5)
354 #define IT8XXX2_WDT_EWDSCMS		BIT(4)
355 #define IT8XXX2_WDT_ET2TC		BIT(3)
356 #define IT8XXX2_WDT_ET2RST		BIT(2)
357 #define IT8XXX2_WDT_ET1TC		BIT(1)
358 #define IT8XXX2_WDT_ET1RST		BIT(0)
359 
360 /* External Timer register fields */
361 /* External Timer 3~8 control */
362 #define IT8XXX2_EXT_ETX_COMB_RST_EN	(IT8XXX2_EXT_ETXCOMB | \
363 					 IT8XXX2_EXT_ETXRST | \
364 					 IT8XXX2_EXT_ETXEN)
365 #define IT8XXX2_EXT_ETXCOMB		BIT(3)
366 #define IT8XXX2_EXT_ETXRST		BIT(1)
367 #define IT8XXX2_EXT_ETXEN		BIT(0)
368 
369 /* Control external timer3~8 */
370 #define IT8XXX2_EXT_TIMER_BASE  DT_REG_ADDR(DT_NODELABEL(timer))  /*0x00F01F10*/
371 #define IT8XXX2_EXT_CTRLX(n)    ECREG(IT8XXX2_EXT_TIMER_BASE + (n << 3))
372 #define IT8XXX2_EXT_PSRX(n)     ECREG(IT8XXX2_EXT_TIMER_BASE + 0x01 + (n << 3))
373 #define IT8XXX2_EXT_CNTX(n)     ECREG_u32(IT8XXX2_EXT_TIMER_BASE + 0x04 + \
374 					(n << 3))
375 #define IT8XXX2_EXT_CNTOX(n)    ECREG_u32(IT8XXX2_EXT_TIMER_BASE + 0x38 + \
376 					(n << 2))
377 
378 /* Free run timer configurations */
379 #define FREE_RUN_TIMER          EXT_TIMER_4
380 #define FREE_RUN_TIMER_IRQ      DT_IRQ_BY_IDX(DT_NODELABEL(timer), 1, irq)
381 /* Free run timer configurations */
382 #define FREE_RUN_TIMER_FLAG     DT_IRQ_BY_IDX(DT_NODELABEL(timer), 1, flags)
383 /* Free run timer max count is 36.4 hr (base on clock source 32768Hz) */
384 #define FREE_RUN_TIMER_MAX_CNT  0xFFFFFFFFUL
385 
386 #ifndef __ASSEMBLER__
387 enum ext_clk_src_sel {
388 	EXT_PSR_32P768K = 0,
389 	EXT_PSR_1P024K,
390 	EXT_PSR_32,
391 	EXT_PSR_8M,
392 };
393 /*
394  * 24-bit timers: external timer 3, 5, and 7
395  * 32-bit timers: external timer 4, 6, and 8
396  */
397 enum ext_timer_idx {
398 	EXT_TIMER_3 = 0,	/* Event timer */
399 	EXT_TIMER_4,		/* Free run timer */
400 	EXT_TIMER_5,		/* Busy wait low timer */
401 	EXT_TIMER_6,		/* Busy wait high timer */
402 	EXT_TIMER_7,
403 	EXT_TIMER_8,
404 };
405 #endif
406 
407 
408 /*
409  *
410  * (2Cxxh) Platform Environment Control Interface (PECI)
411  *
412  */
413 #ifndef __ASSEMBLER__
414 struct peci_it8xxx2_regs {
415 	/* 0x00: Host Status */
416 	volatile uint8_t HOSTAR;
417 	/* 0x01: Host Control */
418 	volatile uint8_t HOCTLR;
419 	/* 0x02: Host Command */
420 	volatile uint8_t HOCMDR;
421 	/* 0x03: Host Target Address */
422 	volatile uint8_t HOTRADDR;
423 	/* 0x04: Host Write Length */
424 	volatile uint8_t HOWRLR;
425 	/* 0x05: Host Read Length */
426 	volatile uint8_t HORDLR;
427 	/* 0x06: Host Write Data */
428 	volatile uint8_t HOWRDR;
429 	/* 0x07: Host Read Data */
430 	volatile uint8_t HORDDR;
431 	/* 0x08: Host Control 2 */
432 	volatile uint8_t HOCTL2R;
433 	/* 0x09: Received Write FCS value */
434 	volatile uint8_t RWFCSV;
435 	/* 0x0A: Received Read FCS value */
436 	volatile uint8_t RRFCSV;
437 	/* 0x0B: Write FCS Value */
438 	volatile uint8_t WFCSV;
439 	/* 0x0C: Read FCS Value */
440 	volatile uint8_t RFCSV;
441 	/* 0x0D: Assured Write FCS Value */
442 	volatile uint8_t AWFCSV;
443 	/* 0x0E: Pad Control */
444 	volatile uint8_t PADCTLR;
445 };
446 #endif /* !__ASSEMBLER__ */
447 
448 /**
449  *
450  * (2Fxxh) USB Device Controller (USBDC) Registers
451  *
452  */
453 #define EP_EXT_REGS_9X        1
454 #define EP_EXT_REGS_BX        2
455 #define EP_EXT_REGS_DX        3
456 
457 #ifndef __ASSEMBLER__
458 
459 /* EP0 to EP15 Enumeration */
460 enum usb_dc_endpoints {
461 	EP0,
462 	EP1,
463 	EP2,
464 	EP3,
465 	EP4,
466 	EP5,
467 	EP6,
468 	EP7,
469 	EP8,
470 	EP9,
471 	EP10,
472 	EP11,
473 	EP12,
474 	EP13,
475 	EP14,
476 	EP15
477 };
478 
479 struct it82xx2_usb_ep_regs {
480 	volatile uint8_t ep_ctrl;
481 	volatile uint8_t ep_status;
482 	volatile uint8_t ep_transtype_sts;
483 	volatile uint8_t ep_nak_transtype_sts;
484 };
485 
486 /* Reserved EP Extended Registers */
487 struct ep_ext_regs_7x {
488 	/* 0x75 Reserved */
489 	volatile uint8_t ep_ext_ctrl_75;
490 	/* 0x76 Reserved */
491 	volatile uint8_t ep_ext_ctrl_76;
492 	/* 0x77 Reserved */
493 	volatile uint8_t ep_ext_ctrl_77;
494 	/* 0x78 Reserved */
495 	volatile uint8_t ep_ext_ctrl_78;
496 	/* 0x79 Reserved */
497 	volatile uint8_t ep_ext_ctrl_79;
498 	/* 0x7A Reserved */
499 	volatile uint8_t ep_ext_ctrl_7a;
500 	/* 0x7B Reserved */
501 	volatile uint8_t ep_ext_ctrl_7b;
502 	/* 0x7C Reserved */
503 	volatile uint8_t ep_ext_ctrl_7c;
504 	/* 0x7D Reserved */
505 	volatile uint8_t ep_ext_ctrl_7d;
506 	/* 0x7E Reserved */
507 	volatile uint8_t ep_ext_ctrl_7e;
508 	/* 0x7F Reserved */
509 	volatile uint8_t ep_ext_ctrl_7f;
510 };
511 
512 /* From 98h to 9Dh, the EP45/67/89/1011/1213/1415 Extended Control Registers
513  * are defined, and their bits definitions are as follows:
514  *
515  * Bit    Description
516  *  7     Reserved
517  *  6     EPPOINT5_ISO_ENABLE
518  *  5     EPPOINT5_SEND_STALL
519  *  4     EPPOINT5_OUT_DATA_SEQUENCE
520  *  3     Reserved
521  *  2     EPPOINT4_ISO_ENABLE
522  *  1     EPPOINT4_SEND_STALL
523  *  0     EPPOINT4_OUT_DATA_SEQUENCE
524  *
525  * Apparently, we can tell that the EP4 and EP5 share the same register, and
526  * the EP6 and EP7 share the same one, and the rest EPs are defined in the
527  * same way.
528  */
529 struct ep_ext_regs_9x {
530 	/* 0x95 Reserved */
531 	volatile uint8_t ep_ext_ctrl_95;
532 	/* 0x96 Reserved */
533 	volatile uint8_t ep_ext_ctrl_96;
534 	/* 0x97 Reserved */
535 	volatile uint8_t ep_ext_ctrl_97;
536 	/* 0x98 ~ 0x9D EP45/67/89/1011/1213/1415 Extended Control Registers */
537 	volatile uint8_t epn0n1_ext_ctrl[6];
538 	/* 0x9E Reserved */
539 	volatile uint8_t ep_ext_ctrl_9e;
540 	/* 0x9F Reserved */
541 	volatile uint8_t ep_ext_ctrl_9f;
542 };
543 
544 /* From BXh to BDh are EP FIFO 1-3 Control 0/1 Registers, and their
545  * definitions as as follows:
546  * B8h: EP_FIFO1_CONTROL0_REG
547  * B9h: EP_FIFO1_CONTROL1_REG
548  * BAh: EP_FIFO2_CONTROL0_REG
549  * BBh: EP_FIFO2_CONTROL1_REG
550  * BCh: EP_FIFO3_CONTROL0_REG
551  * BDh: EP_FIFO3_CONTROL1_REG
552  *
553  * For each one, its bits definitions are as follows:
554  * (take EP_FIFO1_CONTROL1_REG as example, which controls from EP8 to EP15)
555  *
556  * Bit  Description
557  *
558  *  7   EP15 select FIFO1 as data buffer
559  *  6   EP14 select FIFO1 as data buffer
560  *  5   EP13 select FIFO1 as data buffer
561  *  4   EP12 select FIFO1 as data buffer
562  *  3   EP11 select FIFO1 as data buffer
563  *  2   EP10 select FIFO1 as data buffer
564  *  1   EP9 select FIFO1 as data buffer
565  *  0   EP8 select FIFO1 as data buffer
566  *
567  *  1: Select
568  *  0: Not select
569  */
570 struct ep_ext_regs_bx {
571 	/* 0xB5 Reserved */
572 	volatile uint8_t ep_ext_ctrl_b5;
573 	/* 0xB6 Reserved */
574 	volatile uint8_t ep_ext_ctrl_b6;
575 	/* 0xB7 Reserved */
576 	volatile uint8_t ep_ext_ctrl_b7;
577 	/* 0xB8 ~ 0xBD EP FIFO 1-3 Control 0/1 Registers */
578 	volatile uint8_t ep_fifo_ctrl[6];
579 	/* 0xBE Reserved */
580 	volatile uint8_t ep_ext_ctrl_be;
581 	/* 0xBF Reserved */
582 	volatile uint8_t ep_ext_ctrl_bf;
583 };
584 
585 
586 /* From D6h to DDh are EP Extended Control Registers, and their
587  * definitions as as follows:
588  * D6h: EP0_EXT_CTRL1
589  * D7h: EP0_EXT_CTRL2
590  * D8h: EP1_EXT_CTRL1
591  * D9h: EP1_EXT_CTRL2
592  * DAh: EP2_EXT_CTRL1
593  * DBh: EP2_EXT_CTRL2
594  * DCh: EP3_EXT_CTRL1
595  * DDh: EP3_EXT_CTRL2
596  *
597  * We classify them into 4 groups which each of them contains Control 1 and 2
598  * according to the EP number as follows:
599  */
600 struct epn_ext_ctrl_regs {
601 	/* 0xD6/0xD8/0xDA/0xDC EPN Extended Control1 Register */
602 	volatile uint8_t epn_ext_ctrl1;
603 	/* 0xD7/0xD9/0xDB/0xDD EPB Extended Control2 Register */
604 	volatile uint8_t epn_ext_ctrl2;
605 };
606 
607 struct ep_ext_regs_dx {
608 	/* 0xD5 Reserved */
609 	volatile uint8_t ep_ext_ctrl_d5;
610 	/* 0xD6 ~ 0xDD EPN Extended Control 1/2 Registers */
611 	struct epn_ext_ctrl_regs epn_ext_ctrl[4];
612 	/* 0xDE Reserved */
613 	volatile uint8_t ep_ext_ctrl_de;
614 	/* 0xDF Reserved */
615 	volatile uint8_t ep_ext_ctrl_df;
616 };
617 
618 
619 /* The USB EPx FIFO Registers Definitions
620  * EP0: 60h ~ 74h
621  * EP1: 80h ~ 94h
622  * EP2: A0h ~ B4h
623  * EP3: C0h ~ D4h (D6h to DDh will be defined as marcos for usage)
624  */
625 struct it82xx2_usb_ep_fifo_regs {
626 	/* 0x60 + ep * 0x20 : EP RX FIFO Data Register  */
627 	volatile uint8_t ep_rx_fifo_data;
628 	/* 0x61 + ep * 0x20 : EP RX FIFO DMA Count Register */
629 	volatile uint8_t ep_rx_fifo_dma_count;
630 	/* 0x62 + ep * 0x20 : EP RX FIFO Data Count MSB */
631 	volatile uint8_t ep_rx_fifo_dcnt_msb;
632 	/* 0x63 + ep * 0x20 : EP RX FIFO Data Count LSB */
633 	volatile uint8_t ep_rx_fifo_dcnt_lsb;
634 	/* 0x64 + ep * 0x20  : EP RX FIFO Control Register */
635 	volatile uint8_t ep_rx_fifo_ctrl;
636 	/* (0x65 ~ 0x6F) + ep * 0x20 */
637 	volatile uint8_t reserved_65_6f_add_20[11];
638 	/* 0x70 + ep * 0x20 : EP TX FIFO Data Register  */
639 	volatile uint8_t ep_tx_fifo_data;
640 	/* (0x71 ~ 0x73) + ep * 0x20 */
641 	volatile uint8_t reserved_71_73_add_20[3];
642 	/* 0x74 + ep * 0x20 : EP TX FIFO Control Register */
643 	volatile uint8_t ep_tx_fifo_ctrl;
644 	/* (0x75 ~ 0x7F) + ep * 0x20 */
645 	union {
646 		struct ep_ext_regs_7x ep_res;
647 		struct ep_ext_regs_9x ext_4_15;
648 		struct ep_ext_regs_bx fifo_ctrl;
649 		struct ep_ext_regs_dx ext_0_3;
650 	};
651 
652 };
653 
654 struct usb_it82xx2_regs {
655 	/* 0x00:  Host TX Contrl Register */
656 	volatile uint8_t host_tx_ctrl;
657 	/* 0x01:  Host TX Transaction Type Register */
658 	volatile uint8_t host_tx_trans_type;
659 	/* 0x02:  Host TX Line Control Register */
660 	volatile uint8_t host_tx_line_ctrl;
661 	/* 0x03:  Host TX SOF Enable Register */
662 	volatile uint8_t host_tx_sof_enable;
663 	/* 0x04:  Host TX Address Register */
664 	volatile uint8_t host_tx_addr;
665 	/* 0x05:  Host TX EP Number Register */
666 	volatile uint8_t host_tx_endp;
667 	/* 0x06:  Host Frame Number MSP Register */
668 	volatile uint8_t host_frame_num_msp;
669 	/* 0x07:  Host Frame Number LSP Register */
670 	volatile uint8_t host_frame_num_lsp;
671 	/* 0x08:  Host Interrupt Status Register */
672 	volatile uint8_t host_interrupt_status;
673 	/* 0x09:  Host Interrupt Mask Register */
674 	volatile uint8_t host_interrupt_mask;
675 	/* 0x0A:  Host RX Status Register */
676 	volatile uint8_t host_rx_status;
677 	/* 0x0B:  Host RX PID Register */
678 	volatile uint8_t host_rx_pid;
679 	/* 0x0C:  MISC Control Register */
680 	volatile uint8_t misc_control;
681 	/* 0x0D:  MISC Status Register */
682 	volatile uint8_t misc_status;
683 	/* 0x0E:  Host RX Connect State Register */
684 	volatile uint8_t host_rx_connect_state;
685 	/* 0x0F:  Host SOF Timer MSB Register */
686 	volatile uint8_t host_sof_timer_msb;
687 	/* 0x10 ~ 0x1F:  Reserved Registers 10h - 1Fh */
688 	volatile uint8_t reserved_10_1f[16];
689 	/* 0x20:  Host RX FIFO Data Port Register */
690 	volatile uint8_t host_rx_fifo_data;
691 	/* 0x21:  Host RX FIFO DMA Input Data Count Register */
692 	volatile uint8_t host_rx_fifo_dma_data_count;
693 	/* 0x22:  Host TX FIFO Data Count MSB Register */
694 	volatile uint8_t host_rx_fifo_data_count_msb;
695 	/* 0x23:  Host TX FIFO Data Count LSB Register */
696 	volatile uint8_t host_rx_fifo_data_count_lsb;
697 	/* 0x24:  Host RX FIFO Data Port Register */
698 	volatile uint8_t host_rx_fifo_control;
699 	/* 0x25 ~ 0x2F:  Reserved Registers 25h - 2Fh */
700 	volatile uint8_t reserved_25_2f[11];
701 	/* 0x30:  Host TX FIFO Data Port Register */
702 	volatile uint8_t host_tx_fifo_data;
703 	/* 0x31 ~ 0x3F:  Reserved Registers 31h - 3Fh */
704 	volatile uint8_t reserved_31_3f[15];
705 	/* 0x40 ~ 0x4F: Endpoint Registers 40h - 4Fh */
706 	struct it82xx2_usb_ep_regs usb_ep_regs[4];
707 	/* 0x50:  Device Controller Control Register */
708 	volatile uint8_t dc_control;
709 	/* 0x51:  Device Controller LINE Status Register */
710 	volatile uint8_t dc_line_status;
711 	/* 0x52:  Device Controller Interrupt Status Register */
712 	volatile uint8_t dc_interrupt_status;
713 	/* 0x53:  Device Controller Interrupt Mask Register */
714 	volatile uint8_t dc_interrupt_mask;
715 	/* 0x54:  Device Controller Address Register */
716 	volatile uint8_t dc_address;
717 	/* 0x55:  Device Controller Frame Number MSP Register */
718 	volatile uint8_t dc_frame_num_msp;
719 	/* 0x56:  Device Controller Frame Number LSP Register */
720 	volatile uint8_t dc_frame_num_lsp;
721 	/* 0x57 ~ 0x5F:  Reserved Registers 57h - 5Fh */
722 	volatile uint8_t reserved_57_5f[9];
723 	/* 0x60 ~ 0xDF: EP FIFO Registers 60h - DFh */
724 	struct it82xx2_usb_ep_fifo_regs fifo_regs[4];
725 	/* 0xE0:  Host/Device Control Register */
726 	volatile uint8_t host_device_control;
727 	/* 0xE1 ~ 0xE3:  Reserved Registers E1h - E3h */
728 	volatile uint8_t reserved_e1_e3[3];
729 	/* 0xE4:  Port0 MISC Control Register */
730 	volatile uint8_t port0_misc_control;
731 	/* 0xE5 ~ 0xE7:  Reserved Registers E5h - E7h */
732 	volatile uint8_t reserved_e5_e7[3];
733 	/* 0xE8:  Port1 MISC Control Register */
734 	volatile uint8_t port1_misc_control;
735 };
736 #endif /* #ifndef __ASSEMBLER__ */
737 
738 /**
739  *
740  * (37xxh, 38xxh) USBPD Controller
741  *
742  */
743 #ifndef __ASSEMBLER__
744 struct usbpd_it8xxx2_regs {
745 	/* 0x000~0x003: Reserved1 */
746 	volatile uint8_t Reserved1[4];
747 	/* 0x004: CC General Configuration */
748 	volatile uint8_t CCGCR;
749 	/* 0x005: CC Channel Setting */
750 	volatile uint8_t CCCSR;
751 	/* 0x006: CC Pad Setting */
752 	volatile uint8_t CCPSR;
753 };
754 #endif /* !__ASSEMBLER__ */
755 
756 /* USBPD controller register fields */
757 /* 0x004: CC General Configuration */
758 #define IT8XXX2_USBPD_DISABLE_CC			BIT(7)
759 #define IT8XXX2_USBPD_DISABLE_CC_VOL_DETECTOR		BIT(6)
760 #define IT8XXX2_USBPD_CC_SELECT_RP_RESERVED		(BIT(3) | BIT(2) | BIT(1))
761 #define IT8XXX2_USBPD_CC_SELECT_RP_DEF			(BIT(3) | BIT(2))
762 #define IT8XXX2_USBPD_CC_SELECT_RP_1A5			BIT(3)
763 #define IT8XXX2_USBPD_CC_SELECT_RP_3A0			BIT(2)
764 #define IT8XXX2_USBPD_CC1_CC2_SELECTION			BIT(0)
765 /* 0x005: CC Channel Setting */
766 #define IT8XXX2_USBPD_CC2_DISCONNECT			BIT(7)
767 #define IT8XXX2_USBPD_CC2_DISCONNECT_5_1K_TO_GND	BIT(6)
768 #define IT8XXX2_USBPD_CC1_DISCONNECT			BIT(3)
769 #define IT8XXX2_USBPD_CC1_DISCONNECT_5_1K_TO_GND	BIT(2)
770 #define IT8XXX2_USBPD_CC1_CC2_RP_RD_SELECT		(BIT(1) | BIT(5))
771 /* 0x006: CC Pad Setting */
772 #define IT8XXX2_USBPD_DISCONNECT_5_1K_CC2_DB		BIT(6)
773 #define IT8XXX2_USBPD_DISCONNECT_POWER_CC2		BIT(5)
774 #define IT8XXX2_USBPD_DISCONNECT_5_1K_CC1_DB		BIT(2)
775 #define IT8XXX2_USBPD_DISCONNECT_POWER_CC1		BIT(1)
776 
777 
778 /**
779  *
780  * (10xxh) Shared Memory Flash Interface Bridge (SMFI) registers
781  *
782  */
783 #ifndef __ASSEMBLER__
784 struct smfi_it8xxx2_regs {
785 	volatile uint8_t reserved1[59];
786 	/* 0x3B: EC-Indirect memory address 0 */
787 	volatile uint8_t SMFI_ECINDAR0;
788 	/* 0x3C: EC-Indirect memory address 1 */
789 	volatile uint8_t SMFI_ECINDAR1;
790 	/* 0x3D: EC-Indirect memory address 2 */
791 	volatile uint8_t SMFI_ECINDAR2;
792 	/* 0x3E: EC-Indirect memory address 3 */
793 	volatile uint8_t SMFI_ECINDAR3;
794 	/* 0x3F: EC-Indirect memory data */
795 	volatile uint8_t SMFI_ECINDDR;
796 	/* 0x40: Scratch SRAM 0 address low byte */
797 	volatile uint8_t SMFI_SCAR0L;
798 	/* 0x41: Scratch SRAM 0 address middle byte */
799 	volatile uint8_t SMFI_SCAR0M;
800 	/* 0x42: Scratch SRAM 0 address high byte */
801 	volatile uint8_t SMFI_SCAR0H;
802 	volatile uint8_t reserved1_1[23];
803 	/* 0x5A: Host RAM Window Control */
804 	volatile uint8_t SMFI_HRAMWC;
805 	/* 0x5B: Host RAM Window 0 Base Address [11:4] */
806 	volatile uint8_t SMFI_HRAMW0BA;
807 	/* 0x5C: Host RAM Window 1 Base Address [11:4] */
808 	volatile uint8_t SMFI_HRAMW1BA;
809 	/* 0x5D: Host RAM Window 0 Access Allow Size */
810 	volatile uint8_t SMFI_HRAMW0AAS;
811 	/* 0x5E: Host RAM Window 1 Access Allow Size */
812 	volatile uint8_t SMFI_HRAMW1AAS;
813 	volatile uint8_t reserved2[67];
814 	/* 0xA2: Flash control 6 */
815 	volatile uint8_t SMFI_FLHCTRL6R;
816 	volatile uint8_t reserved3[46];
817 };
818 #endif /* !__ASSEMBLER__ */
819 
820 /* SMFI register fields */
821 /* EC-Indirect read internal flash */
822 #define EC_INDIRECT_READ_INTERNAL_FLASH BIT(6)
823 /* Enable EC-indirect page program command */
824 #define IT8XXX2_SMFI_MASK_ECINDPP BIT(3)
825 /* Scratch SRAM 0 address(BIT(19)) */
826 #define IT8XXX2_SMFI_SC0A19 BIT(7)
827 /* Scratch SRAM enable */
828 #define IT8XXX2_SMFI_SCAR0H_ENABLE BIT(3)
829 
830 /* H2RAM Path Select. 1b: H2RAM through LPC IO cycle. */
831 #define SMFI_H2RAMPS           BIT(4)
832 /* H2RAM Window 1 Enable */
833 #define SMFI_H2RAMW1E          BIT(1)
834 /* H2RAM Window 0 Enable */
835 #define SMFI_H2RAMW0E          BIT(0)
836 
837 /* Host RAM Window x Write Protect Enable (All protected) */
838 #define SMFI_HRAMWXWPE_ALL     (BIT(5) | BIT(4))
839 
840 
841 /**
842  *
843  * (16xxh) General Purpose I/O Port (GPIO) registers
844  *
845  */
846 #define GPIO_IT8XXX2_REG_BASE \
847 	((struct gpio_it8xxx2_regs *)DT_REG_ADDR(DT_NODELABEL(gpiogcr)))
848 
849 #ifndef __ASSEMBLER__
850 #ifdef CONFIG_SOC_IT8XXX2_REG_SET_V1
851 struct gpio_it8xxx2_regs {
852 	/* 0x00: General Control */
853 	volatile uint8_t GPIO_GCR;
854 	/* 0x01-D0: Reserved1 */
855 	volatile uint8_t reserved1[208];
856 	/* 0xD1: General Control 25 */
857 	volatile uint8_t GPIO_GCR25;
858 	/* 0xD2: General Control 26 */
859 	volatile uint8_t GPIO_GCR26;
860 	/* 0xD3: General Control 27 */
861 	volatile uint8_t GPIO_GCR27;
862 	/* 0xD4: General Control 28 */
863 	volatile uint8_t GPIO_GCR28;
864 	/* 0xD5: General Control 31 */
865 	volatile uint8_t GPIO_GCR31;
866 	/* 0xD6: General Control 32 */
867 	volatile uint8_t GPIO_GCR32;
868 	/* 0xD7: General Control 33 */
869 	volatile uint8_t GPIO_GCR33;
870 	/* 0xD8-0xDF: Reserved2 */
871 	volatile uint8_t reserved2[8];
872 	/* 0xE0: General Control 16 */
873 	volatile uint8_t GPIO_GCR16;
874 	/* 0xE1: General Control 17 */
875 	volatile uint8_t GPIO_GCR17;
876 	/* 0xE2: General Control 18 */
877 	volatile uint8_t GPIO_GCR18;
878 	/* 0xE3: Reserved3 */
879 	volatile uint8_t reserved3;
880 	/* 0xE4: General Control 19 */
881 	volatile uint8_t GPIO_GCR19;
882 	/* 0xE5: General Control 20 */
883 	volatile uint8_t GPIO_GCR20;
884 	/* 0xE6: General Control 21 */
885 	volatile uint8_t GPIO_GCR21;
886 	/* 0xE7: General Control 22 */
887 	volatile uint8_t GPIO_GCR22;
888 	/* 0xE8: General Control 23 */
889 	volatile uint8_t GPIO_GCR23;
890 	/* 0xE9: General Control 24 */
891 	volatile uint8_t GPIO_GCR24;
892 	/* 0xEA-0xEC: Reserved4 */
893 	volatile uint8_t reserved4[3];
894 	/* 0xED: General Control 30 */
895 	volatile uint8_t GPIO_GCR30;
896 	/* 0xEE: General Control 29 */
897 	volatile uint8_t GPIO_GCR29;
898 	/* 0xEF: Reserved5 */
899 	volatile uint8_t reserved5;
900 	/* 0xF0: General Control 1 */
901 	volatile uint8_t GPIO_GCR1;
902 	/* 0xF1: General Control 2 */
903 	volatile uint8_t GPIO_GCR2;
904 	/* 0xF2: General Control 3 */
905 	volatile uint8_t GPIO_GCR3;
906 	/* 0xF3: General Control 4 */
907 	volatile uint8_t GPIO_GCR4;
908 	/* 0xF4: General Control 5 */
909 	volatile uint8_t GPIO_GCR5;
910 	/* 0xF5: General Control 6 */
911 	volatile uint8_t GPIO_GCR6;
912 	/* 0xF6: General Control 7 */
913 	volatile uint8_t GPIO_GCR7;
914 	/* 0xF7: General Control 8 */
915 	volatile uint8_t GPIO_GCR8;
916 	/* 0xF8: General Control 9 */
917 	volatile uint8_t GPIO_GCR9;
918 	/* 0xF9: General Control 10 */
919 	volatile uint8_t GPIO_GCR10;
920 	/* 0xFA: General Control 11 */
921 	volatile uint8_t GPIO_GCR11;
922 	/* 0xFB: General Control 12 */
923 	volatile uint8_t GPIO_GCR12;
924 	/* 0xFC: General Control 13 */
925 	volatile uint8_t GPIO_GCR13;
926 	/* 0xFD: General Control 14 */
927 	volatile uint8_t GPIO_GCR14;
928 	/* 0xFE: General Control 15 */
929 	volatile uint8_t GPIO_GCR15;
930 	/* 0xFF: Power Good Watch Control */
931 	volatile uint8_t GPIO_PGWCR;
932 };
933 #elif CONFIG_SOC_IT8XXX2_REG_SET_V2
934 struct gpio_it8xxx2_regs {
935 	/* 0x00: General Control */
936 	volatile uint8_t GPIO_GCR;
937 	/* 0x01-0x0F: Reserved1 */
938 	volatile uint8_t reserved1[15];
939 	/* 0x10: General Control 1 */
940 	volatile uint8_t GPIO_GCR1;
941 	/* 0x11: General Control 2 */
942 	volatile uint8_t GPIO_GCR2;
943 	/* 0x12: General Control 3 */
944 	volatile uint8_t GPIO_GCR3;
945 	/* 0x13: General Control 4 */
946 	volatile uint8_t GPIO_GCR4;
947 	/* 0x14: General Control 5 */
948 	volatile uint8_t GPIO_GCR5;
949 	/* 0x15: General Control 6 */
950 	volatile uint8_t GPIO_GCR6;
951 	/* 0x16: General Control 7 */
952 	volatile uint8_t GPIO_GCR7;
953 	/* 0x17: General Control 8 */
954 	volatile uint8_t GPIO_GCR8;
955 	/* 0x18: General Control 9 */
956 	volatile uint8_t GPIO_GCR9;
957 	/* 0x19: General Control 10 */
958 	volatile uint8_t GPIO_GCR10;
959 	/* 0x1A: General Control 11 */
960 	volatile uint8_t GPIO_GCR11;
961 	/* 0x1B: General Control 12 */
962 	volatile uint8_t GPIO_GCR12;
963 	/* 0x1C: General Control 13 */
964 	volatile uint8_t GPIO_GCR13;
965 	/* 0x1D: General Control 14 */
966 	volatile uint8_t GPIO_GCR14;
967 	/* 0x1E: General Control 15 */
968 	volatile uint8_t GPIO_GCR15;
969 	/* 0x1F: Power Good Watch Control */
970 	volatile uint8_t GPIO_PGWCR;
971 	/* 0x20: General Control 16 */
972 	volatile uint8_t GPIO_GCR16;
973 	/* 0x21: General Control 17 */
974 	volatile uint8_t GPIO_GCR17;
975 	/* 0x22: General Control 18 */
976 	volatile uint8_t GPIO_GCR18;
977 	/* 0x23: Reserved2 */
978 	volatile uint8_t reserved2;
979 	/* 0x24: General Control 19 */
980 	volatile uint8_t GPIO_GCR19;
981 	/* 0x25: Reserved3 */
982 	volatile uint8_t reserved3;
983 	/* 0x26: General Control 21 */
984 	volatile uint8_t GPIO_GCR21;
985 	/* 0x27-0x28: Reserved4 */
986 	volatile uint8_t reserved4[2];
987 	/* 0x29: General Control 24 */
988 	volatile uint8_t GPIO_GCR24;
989 	/* 0x2A-0x2C: Reserved5 */
990 	volatile uint8_t reserved5[3];
991 	/* 0x2D: General Control 30 */
992 	volatile uint8_t GPIO_GCR30;
993 	/* 0x2E: General Control 29 */
994 	volatile uint8_t GPIO_GCR29;
995 };
996 
997 /* GPIO register fields */
998 /* 0x16: General Control 7 */
999 #define IT8XXX2_GPIO_SMB2PS                BIT(7)
1000 #define IT8XXX2_GPIO_SMB3PS                BIT(6)
1001 #define IT8XXX2_GPIO_SMB5PS                BIT(5)
1002 
1003 #endif
1004 #endif /* !__ASSEMBLER__ */
1005 
1006 /* GPIO register fields */
1007 /* 0x00: General Control */
1008 #define IT8XXX2_GPIO_LPCRSTEN              (BIT(2) | BIT(1))
1009 #define IT8XXX2_GPIO_GCR_ESPI_RST_D2       0x2
1010 #define IT8XXX2_GPIO_GCR_ESPI_RST_POS      1
1011 #define IT8XXX2_GPIO_GCR_ESPI_RST_EN_MASK  (0x3 << IT8XXX2_GPIO_GCR_ESPI_RST_POS)
1012 /* 0xF0: General Control 1 */
1013 #define IT8XXX2_GPIO_U2CTRL_SIN1_SOUT1_EN  BIT(2)
1014 #define IT8XXX2_GPIO_U1CTRL_SIN0_SOUT0_EN  BIT(0)
1015 /* 0xE6: General Control 21 */
1016 #define IT8XXX2_GPIO_GPH1VS                BIT(1)
1017 #define IT8XXX2_GPIO_GPH2VS                BIT(0)
1018 
1019 #define GPCR_PORT_PIN_MODE_INPUT    BIT(7)
1020 #define GPCR_PORT_PIN_MODE_OUTPUT   BIT(6)
1021 #define GPCR_PORT_PIN_MODE_PULLUP   BIT(2)
1022 #define GPCR_PORT_PIN_MODE_PULLDOWN BIT(1)
1023 
1024 /*
1025  * If both PULLUP and PULLDOWN are set to 1b, the corresponding port would be
1026  * configured as tri-state.
1027  */
1028 #define GPCR_PORT_PIN_MODE_TRISTATE	(GPCR_PORT_PIN_MODE_INPUT |  \
1029 					 GPCR_PORT_PIN_MODE_PULLUP | \
1030 					 GPCR_PORT_PIN_MODE_PULLDOWN)
1031 
1032 /* --- GPIO --- */
1033 #define IT8XXX2_GPIO_BASE  0x00F01600
1034 #define IT8XXX2_GPIO2_BASE 0x00F03E00
1035 
1036 #define IT8XXX2_GPIO_GCRX(offset) ECREG(IT8XXX2_GPIO_BASE + (offset))
1037 #define IT8XXX2_GPIO_GCR25_OFFSET 0xd1
1038 #define IT8XXX2_GPIO_GCR26_OFFSET 0xd2
1039 #define IT8XXX2_GPIO_GCR27_OFFSET 0xd3
1040 #define IT8XXX2_GPIO_GCR28_OFFSET 0xd4
1041 #define IT8XXX2_GPIO_GCR31_OFFSET 0xd5
1042 #define IT8XXX2_GPIO_GCR32_OFFSET 0xd6
1043 #define IT8XXX2_GPIO_GCR33_OFFSET 0xd7
1044 #define IT8XXX2_GPIO_GCR19_OFFSET 0xe4
1045 #define IT8XXX2_GPIO_GCR20_OFFSET 0xe5
1046 #define IT8XXX2_GPIO_GCR21_OFFSET 0xe6
1047 #define IT8XXX2_GPIO_GCR22_OFFSET 0xe7
1048 #define IT8XXX2_GPIO_GCR23_OFFSET 0xe8
1049 #define IT8XXX2_GPIO_GCR24_OFFSET 0xe9
1050 #define IT8XXX2_GPIO_GCR30_OFFSET 0xed
1051 #define IT8XXX2_GPIO_GCR29_OFFSET 0xee
1052 
1053 /*
1054  * TODO: use pinctrl node instead of following register declarations
1055  *       to fix in tcpm\it83xx_pd.h.
1056  */
1057 #define IT8XXX2_GPIO_GPCRP0     ECREG(IT8XXX2_GPIO2_BASE + 0x18)
1058 #define IT8XXX2_GPIO_GPCRP1     ECREG(IT8XXX2_GPIO2_BASE + 0x19)
1059 
1060 
1061 /**
1062  *
1063  * (19xxh) Analog to Digital Converter (ADC) registers
1064  *
1065  */
1066 #ifndef __ASSEMBLER__
1067 
1068 /* Data structure to define ADC channel 13-16 control registers. */
1069 struct adc_vchs_ctrl_t {
1070 	/* 0x60: Voltage Channel Control */
1071 	volatile uint8_t VCHCTL;
1072 	/* 0x61: Voltage Channel Data Buffer MSB */
1073 	volatile uint8_t VCHDATM;
1074 	/* 0x62: Voltage Channel Data Buffer LSB */
1075 	volatile uint8_t VCHDATL;
1076 };
1077 
1078 struct adc_it8xxx2_regs {
1079 	/* 0x00: ADC Status */
1080 	volatile uint8_t ADCSTS;
1081 	/* 0x01: ADC Configuration */
1082 	volatile uint8_t ADCCFG;
1083 	/* 0x02: ADC Clock Control */
1084 	volatile uint8_t ADCCTL;
1085 	/* 0x03: General Control */
1086 	volatile uint8_t ADCGCR;
1087 	/* 0x04: Voltage Channel 0 Control */
1088 	volatile uint8_t VCH0CTL;
1089 	/* 0x05: Calibration Data Control */
1090 	volatile uint8_t KDCTL;
1091 	/* 0x06-0x17: Reserved1 */
1092 	volatile uint8_t reserved1[18];
1093 	/* 0x18: Voltage Channel 0 Data Buffer LSB */
1094 	volatile uint8_t VCH0DATL;
1095 	/* 0x19: Voltage Channel 0 Data Buffer MSB */
1096 	volatile uint8_t VCH0DATM;
1097 	/* 0x1a-0x43: Reserved2 */
1098 	volatile uint8_t reserved2[42];
1099 	/* 0x44: ADC Data Valid Status */
1100 	volatile uint8_t ADCDVSTS;
1101 	/* 0x45-0x54: Reserved2-1 */
1102 	volatile uint8_t reserved2_1[16];
1103 	/* 0x55: ADC Input Voltage Mapping Full-Scale Code Selection 1 */
1104 	volatile uint8_t ADCIVMFSCS1;
1105 	/* 0x56: ADC Input Voltage Mapping Full-Scale Code Selection 2 */
1106 	volatile uint8_t ADCIVMFSCS2;
1107 	/* 0x57: ADC Input Voltage Mapping Full-Scale Code Selection 3 */
1108 	volatile uint8_t ADCIVMFSCS3;
1109 	/* 0x58-0x5f: Reserved3 */
1110 	volatile uint8_t reserved3[8];
1111 	/* 0x60-0x6b: ADC channel 13~16 controller */
1112 	struct adc_vchs_ctrl_t adc_vchs_ctrl[4];
1113 	/* 0x6c: ADC Data Valid Status 2 */
1114 	volatile uint8_t ADCDVSTS2;
1115 };
1116 #endif /* !__ASSEMBLER__ */
1117 
1118 /* ADC conversion time select 1 */
1119 #define IT8XXX2_ADC_ADCCTS1			BIT(7)
1120 /* Analog accuracy initialization */
1121 #define IT8XXX2_ADC_AINITB			BIT(3)
1122 /* ADC conversion time select 0 */
1123 #define IT8XXX2_ADC_ADCCTS0			BIT(5)
1124 /* ADC module enable */
1125 #define IT8XXX2_ADC_ADCEN			BIT(0)
1126 /* ADC data buffer keep enable */
1127 #define IT8XXX2_ADC_DBKEN			BIT(7)
1128 /* W/C data valid flag */
1129 #define IT8XXX2_ADC_DATVAL			BIT(7)
1130 /* Data valid interrupt of adc */
1131 #define IT8XXX2_ADC_INTDVEN			BIT(5)
1132 /* Voltage channel enable (Channel 4~7 and 13~16) */
1133 #define IT8XXX2_ADC_VCHEN			BIT(4)
1134 /* Automatic hardware calibration enable */
1135 #define IT8XXX2_ADC_AHCE			BIT(7)
1136 /* 0x046, 0x049, 0x04c, 0x06e, 0x071, 0x074: Voltage comparator x control */
1137 #define IT8XXX2_VCMP_CMPEN			BIT(7)
1138 #define IT8XXX2_VCMP_CMPINTEN			BIT(6)
1139 #define IT8XXX2_VCMP_GREATER_THRESHOLD		BIT(5)
1140 #define IT8XXX2_VCMP_EDGE_TRIGGER		BIT(4)
1141 #define IT8XXX2_VCMP_GPIO_ACTIVE_LOW		BIT(3)
1142 /* 0x077~0x07c: Voltage comparator x channel select MSB */
1143 #define IT8XXX2_VCMP_VCMPXCSELM			BIT(0)
1144 
1145 /**
1146  *
1147  * (1Exxh) Clock and Power Management (ECPM) registers
1148  *
1149  */
1150 #define IT8XXX2_ECPM_BASE  0x00F01E00
1151 
1152 #ifndef __ASSEMBLER__
1153 enum chip_pll_mode {
1154 	CHIP_PLL_DOZE = 0,
1155 	CHIP_PLL_SLEEP = 1,
1156 	CHIP_PLL_DEEP_DOZE = 3,
1157 };
1158 #endif
1159 /*
1160  * TODO: use ecpm_it8xxx2_regs instead of following register declarations
1161  *       to fix in soc.c.
1162  */
1163 #define IT8XXX2_ECPM_PLLCTRL    ECREG(IT8XXX2_ECPM_BASE + 0x03)
1164 #define IT8XXX2_ECPM_AUTOCG     ECREG(IT8XXX2_ECPM_BASE + 0x04)
1165 #define IT8XXX2_ECPM_CGCTRL3R   ECREG(IT8XXX2_ECPM_BASE + 0x05)
1166 #define IT8XXX2_ECPM_PLLFREQR   ECREG(IT8XXX2_ECPM_BASE + 0x06)
1167 #define IT8XXX2_ECPM_PLLCSS     ECREG(IT8XXX2_ECPM_BASE + 0x08)
1168 #define IT8XXX2_ECPM_SCDCR0     ECREG(IT8XXX2_ECPM_BASE + 0x0c)
1169 #define IT8XXX2_ECPM_SCDCR1     ECREG(IT8XXX2_ECPM_BASE + 0x0d)
1170 #define IT8XXX2_ECPM_SCDCR2     ECREG(IT8XXX2_ECPM_BASE + 0x0e)
1171 #define IT8XXX2_ECPM_SCDCR3     ECREG(IT8XXX2_ECPM_BASE + 0x0f)
1172 #define IT8XXX2_ECPM_SCDCR4     ECREG(IT8XXX2_ECPM_BASE + 0x10)
1173 
1174 /*
1175  * The count number of the counter for 25 ms register.
1176  * The 25 ms register is calculated by (count number *1.024 kHz).
1177  */
1178 
1179 #define I2C_CLK_LOW_TIMEOUT		255 /* ~=249 ms */
1180 
1181 /**
1182  *
1183  * (1Cxxh) SMBus Interface (SMB) registers
1184  *
1185  */
1186 #define IT8XXX2_SMB_BASE            0x00F01C00
1187 #ifdef CONFIG_SOC_IT8XXX2_REG_SET_V1
1188 #define IT8XXX2_SMB_4P7USL          ECREG(IT8XXX2_SMB_BASE + 0x00)
1189 #define IT8XXX2_SMB_4P0USL          ECREG(IT8XXX2_SMB_BASE + 0x01)
1190 #define IT8XXX2_SMB_300NS           ECREG(IT8XXX2_SMB_BASE + 0x02)
1191 #define IT8XXX2_SMB_250NS           ECREG(IT8XXX2_SMB_BASE + 0x03)
1192 #define IT8XXX2_SMB_25MS            ECREG(IT8XXX2_SMB_BASE + 0x04)
1193 #define IT8XXX2_SMB_45P3USL         ECREG(IT8XXX2_SMB_BASE + 0x05)
1194 #define IT8XXX2_SMB_45P3USH         ECREG(IT8XXX2_SMB_BASE + 0x06)
1195 #define IT8XXX2_SMB_4P7A4P0H        ECREG(IT8XXX2_SMB_BASE + 0x07)
1196 #define IT8XXX2_SMB_SLVISELR        ECREG(IT8XXX2_SMB_BASE + 0x08)
1197 #define IT8XXX2_SMB_SCLKTS(ch)      ECREG(IT8XXX2_SMB_BASE + 0x09 + ch)
1198 #define IT8XXX2_SMB_MSTFCTRL1       ECREG(IT8XXX2_SMB_BASE + 0x0D)
1199 #define IT8XXX2_SMB_MSTFSTS1        ECREG(IT8XXX2_SMB_BASE + 0x0E)
1200 #define IT8XXX2_SMB_MSTFCTRL2       ECREG(IT8XXX2_SMB_BASE + 0x0F)
1201 #define IT8XXX2_SMB_MSTFSTS2        ECREG(IT8XXX2_SMB_BASE + 0x10)
1202 #define IT8XXX2_SMB_CHSEF           ECREG(IT8XXX2_SMB_BASE + 0x11)
1203 #define IT8XXX2_SMB_I2CW2RF         ECREG(IT8XXX2_SMB_BASE + 0x12)
1204 #define IT8XXX2_SMB_IWRFISTA        ECREG(IT8XXX2_SMB_BASE + 0x13)
1205 #define IT8XXX2_SMB_CHSAB           ECREG(IT8XXX2_SMB_BASE + 0x20)
1206 #define IT8XXX2_SMB_CHSCD           ECREG(IT8XXX2_SMB_BASE + 0x21)
1207 #define IT8XXX2_SMB_SFFCTL          ECREG(IT8XXX2_SMB_BASE + 0x55)
1208 #define IT8XXX2_SMB_HOSTA(base)     ECREG(base + 0x00)
1209 #define IT8XXX2_SMB_HOCTL(base)     ECREG(base + 0x01)
1210 #define IT8XXX2_SMB_HOCMD(base)     ECREG(base + 0x02)
1211 #define IT8XXX2_SMB_TRASLA(base)    ECREG(base + 0x03)
1212 #define IT8XXX2_SMB_D0REG(base)     ECREG(base + 0x04)
1213 #define IT8XXX2_SMB_D1REG(base)     ECREG(base + 0x05)
1214 #define IT8XXX2_SMB_HOBDB(base)     ECREG(base + 0x06)
1215 #define IT8XXX2_SMB_PECERC(base)    ECREG(base + 0x07)
1216 #define IT8XXX2_SMB_SMBPCTL(base)   ECREG(base + 0x0A)
1217 #define IT8XXX2_SMB_HOCTL2(base)    ECREG(base + 0x10)
1218 #elif CONFIG_SOC_IT8XXX2_REG_SET_V2
1219 #define IT8XXX2_SMB_SLVISEL         ECREG(IT8XXX2_SMB_BASE + 0x08)
1220 #define IT8XXX2_SMB_SMB01CHS        ECREG(IT8XXX2_SMB_BASE + 0x09)
1221 #define IT8XXX2_SMB_SMB23CHS        ECREG(IT8XXX2_SMB_BASE + 0x0A)
1222 #define IT8XXX2_SMB_SMB4CHS         ECREG(IT8XXX2_SMB_BASE + 0x0B)
1223 #define IT8XXX2_SMB_SCLKTS_BRGS     ECREG(IT8XXX2_SMB_BASE + 0x80)
1224 #define IT8XXX2_SMB_SCLKTS_BRGM     ECREG(IT8XXX2_SMB_BASE + 0x81)
1225 #define IT8XXX2_SMB_CHSBRG          ECREG(IT8XXX2_SMB_BASE + 0x82)
1226 #define IT8XXX2_SMB_CHSMOT          ECREG(IT8XXX2_SMB_BASE + 0x83)
1227 
1228 /* SMBus register fields */
1229 /* 0x80: SMCLK Timing Setting Register Bridge Slave */
1230 #define IT8XXX2_SMB_PREDEN            BIT(7)
1231 #endif
1232 
1233 /**
1234  * Enhanced SMBus/I2C Interface
1235  * Ch_D: 0x00F03680, Ch_E: 0x00F03500, Ch_F: 0x00F03580
1236  * Ch_D: ch = 0x03, Ch_E: ch = 0x00, Ch_F: ch = 0x01
1237  */
1238 #define IT8XXX2_I2C_DRR(base)         ECREG(base + 0x00)
1239 #define IT8XXX2_I2C_PSR(base)         ECREG(base + 0x01)
1240 #define IT8XXX2_I2C_HSPR(base)        ECREG(base + 0x02)
1241 #define IT8XXX2_I2C_STR(base)         ECREG(base + 0x03)
1242 #define IT8XXX2_I2C_DHTR(base)        ECREG(base + 0x04)
1243 #define IT8XXX2_I2C_TOR(base)         ECREG(base + 0x05)
1244 #define IT8XXX2_I2C_DTR(base)         ECREG(base + 0x08)
1245 #define IT8XXX2_I2C_CTR(base)         ECREG(base + 0x09)
1246 #define IT8XXX2_I2C_CTR1(base)        ECREG(base + 0x0A)
1247 #define IT8XXX2_I2C_BYTE_CNT_L(base)  ECREG(base + 0x0C)
1248 #define IT8XXX2_I2C_IRQ_ST(base)      ECREG(base + 0x0D)
1249 #define IT8XXX2_I2C_IDR(base)         ECREG(base + 0x06)
1250 #define IT8XXX2_I2C_TOS(base)         ECREG(base + 0x07)
1251 #define IT8XXX2_I2C_STR2(base)        ECREG(base + 0x12)
1252 #define IT8XXX2_I2C_NST(base)         ECREG(base + 0x13)
1253 #define IT8XXX2_I2C_TO_ARB_ST(base)   ECREG(base + 0x18)
1254 #define IT8XXX2_I2C_ERR_ST(base)      ECREG(base + 0x19)
1255 #define IT8XXX2_I2C_FST(base)         ECREG(base + 0x1B)
1256 #define IT8XXX2_I2C_EM(base)          ECREG(base + 0x1C)
1257 #define IT8XXX2_I2C_MODE_SEL(base)    ECREG(base + 0x1D)
1258 #define IT8XXX2_I2C_IDR2(base)        ECREG(base + 0x1F)
1259 #define IT8XXX2_I2C_CTR2(base)        ECREG(base + 0x20)
1260 #define IT8XXX2_I2C_RAMHA(base)       ECREG(base + 0x23)
1261 #define IT8XXX2_I2C_RAMLA(base)       ECREG(base + 0x24)
1262 #define IT8XXX2_I2C_RAMHA2(base)      ECREG(base + 0x2B)
1263 #define IT8XXX2_I2C_RAMLA2(base)      ECREG(base + 0x2C)
1264 #define IT8XXX2_I2C_CMD_ADDH(base)    ECREG(base + 0x25)
1265 #define IT8XXX2_I2C_CMD_ADDL(base)    ECREG(base + 0x26)
1266 #define IT8XXX2_I2C_RAMH2A(base)      ECREG(base + 0x50)
1267 #define IT8XXX2_I2C_CMD_ADDH2(base)   ECREG(base + 0x52)
1268 
1269 /* SMBus/I2C register fields */
1270 /* 0x09-0xB: SMCLK Timing Setting */
1271 #define IT8XXX2_SMB_SMCLKS_1M         4
1272 #define IT8XXX2_SMB_SMCLKS_400K       3
1273 #define IT8XXX2_SMB_SMCLKS_100K       2
1274 #define IT8XXX2_SMB_SMCLKS_50K        1
1275 
1276 /* 0x0E: SMBus FIFO Status 1 */
1277 #define IT8XXX2_SMB_FIFO1_EMPTY       BIT(7)
1278 #define IT8XXX2_SMB_FIFO1_FULL        BIT(6)
1279 /* 0x0D: SMBus FIFO Control 1 */
1280 /* 0x0F: SMBus FIFO Control 2 */
1281 #define IT8XXX2_SMB_BLKDS             BIT(4)
1282 #define IT8XXX2_SMB_FFEN              BIT(3)
1283 #define IT8XXX2_SMB_FFCHSEL2_B        0
1284 #define IT8XXX2_SMB_FFCHSEL2_C        BIT(0)
1285 /* 0x10: SMBus FIFO Status 2 */
1286 #define IT8XXX2_SMB_FIFO2_EMPTY       BIT(7)
1287 #define IT8XXX2_SMB_FIFO2_FULL        BIT(6)
1288 /* 0x12: I2C Wr To Rd FIFO */
1289 #define IT8XXX2_SMB_MAIF              BIT(7)
1290 #define IT8XXX2_SMB_MBCIF             BIT(6)
1291 #define IT8XXX2_SMB_MCIFI             BIT(2)
1292 #define IT8XXX2_SMB_MBIFI             BIT(1)
1293 #define IT8XXX2_SMB_MAIFI             BIT(0)
1294 /* 0x13: I2C Wr To Rd FIFO Interrupt Status */
1295 #define IT8XXX2_SMB_MCIFID            BIT(2)
1296 #define IT8XXX2_SMB_MAIFID            BIT(0)
1297 /* 0x41 0x81 0xC1: Host Control */
1298 #define IT8XXX2_SMB_SRT               BIT(6)
1299 #define IT8XXX2_SMB_LABY              BIT(5)
1300 #define IT8XXX2_SMB_SMCD_EXTND        BIT(4) | BIT(3) | BIT(2)
1301 #define IT8XXX2_SMB_KILL              BIT(1)
1302 #define IT8XXX2_SMB_INTREN            BIT(0)
1303 /* 0x43 0x83 0xC3: Transmit Slave Address */
1304 #define IT8XXX2_SMB_DIR               BIT(0)
1305 /* 0x4A 0x8A 0xCA: SMBus Pin Control */
1306 #define IT8XXX2_SMB_SMBDCS            BIT(1)
1307 #define IT8XXX2_SMB_SMBCS             BIT(0)
1308 /* 0x50 0x90 0xD0: Host Control 2 */
1309 #define IT8XXX2_SMB_SMD_TO_EN         BIT(4)
1310 #define IT8XXX2_SMB_I2C_SW_EN         BIT(3)
1311 #define IT8XXX2_SMB_I2C_SW_WAIT       BIT(2)
1312 #define IT8XXX2_SMB_I2C_EN            BIT(1)
1313 #define IT8XXX2_SMB_SMHEN             BIT(0)
1314 /* 0x55: Slave A FIFO Control */
1315 #define IT8XXX2_SMB_HSAPE             BIT(1)
1316 /* 0x04: Data Hold Time */
1317 #define IT8XXX2_I2C_SOFT_RST          BIT(7)
1318 /* 0x07: Time Out Status */
1319 #define IT8XXX2_I2C_SCL_IN            BIT(2)
1320 #define IT8XXX2_I2C_SDA_IN            BIT(0)
1321 /* 0x0A: Control 1 */
1322 #define IT8XXX2_I2C_COMQ_EN           BIT(7)
1323 #define IT8XXX2_I2C_MDL_EN            BIT(1)
1324 /* 0x13: Nack Status */
1325 #define IT8XXX2_I2C_NST_CNS           BIT(7)
1326 #define IT8XXX2_I2C_NST_ID_NACK       BIT(3)
1327 /* 0x19: Error Status */
1328 #define IT8XXX2_I2C_ERR_ST_DEV1_EIRQ  BIT(0)
1329 /* 0x1B: Finish Status */
1330 #define IT8XXX2_I2C_FST_DEV1_IRQ      BIT(4)
1331 /* 0x1C: Error Mask */
1332 #define IT8XXX2_I2C_EM_DEV1_IRQ       BIT(4)
1333 
1334 /*
1335  * TODO: use gctrl_it8xxx2_regs instead of following register declarations
1336  *       to fix in cros_flash_it8xxx2.c, cros_shi_it8xxx2.c and tcpm\it8xxx2.c.
1337  */
1338 /* --- General Control (GCTRL) --- */
1339 #define IT83XX_GCTRL_BASE 0x00F02000
1340 
1341 #define IT83XX_GCTRL_CHIPID1         ECREG(IT83XX_GCTRL_BASE + 0x85)
1342 #define IT83XX_GCTRL_CHIPID2         ECREG(IT83XX_GCTRL_BASE + 0x86)
1343 #define IT83XX_GCTRL_CHIPVER         ECREG(IT83XX_GCTRL_BASE + 0x02)
1344 #define IT83XX_GCTRL_MCCR3           ECREG(IT83XX_GCTRL_BASE + 0x20)
1345 #define IT83XX_GCTRL_SPISLVPFE             BIT(6)
1346 #define IT83XX_GCTRL_EWPR0PFH(i)     ECREG(IT83XX_GCTRL_BASE + 0x60 + i)
1347 #define IT83XX_GCTRL_EWPR0PFD(i)     ECREG(IT83XX_GCTRL_BASE + 0xA0 + i)
1348 #define IT83XX_GCTRL_EWPR0PFEC(i)    ECREG(IT83XX_GCTRL_BASE + 0xC0 + i)
1349 
1350 /*
1351  * TODO: use spisc_it8xxx2_regs instead of following register declarations
1352  *       to fix in cros_shi_it8xxx2.c.
1353  */
1354 /* Serial Peripheral Interface (SPI) */
1355 #define IT83XX_SPI_BASE  0x00F03A00
1356 
1357 #define IT83XX_SPI_SPISGCR           ECREG(IT83XX_SPI_BASE + 0x00)
1358 #define IT83XX_SPI_SPISCEN                 BIT(0)
1359 #define IT83XX_SPI_TXRXFAR           ECREG(IT83XX_SPI_BASE + 0x01)
1360 #define IT83XX_SPI_CPURXF2A                BIT(4)
1361 #define IT83XX_SPI_CPURXF1A                BIT(3)
1362 #define IT83XX_SPI_CPUTFA                  BIT(1)
1363 #define IT83XX_SPI_TXFCR             ECREG(IT83XX_SPI_BASE + 0x02)
1364 #define IT83XX_SPI_TXFCMR                  BIT(2)
1365 #define IT83XX_SPI_TXFR                    BIT(1)
1366 #define IT83XX_SPI_TXFS                    BIT(0)
1367 #define IT83XX_SPI_GCR2              ECREG(IT83XX_SPI_BASE + 0x03)
1368 #define IT83XX_SPI_RXF2OC                  BIT(4)
1369 #define IT83XX_SPI_RXF1OC                  BIT(3)
1370 #define IT83XX_SPI_RXFAR                   BIT(0)
1371 #define IT83XX_SPI_IMR               ECREG(IT83XX_SPI_BASE + 0x04)
1372 #define IT83XX_SPI_RX_FIFO_FULL            BIT(7)
1373 #define IT83XX_SPI_RX_REACH                BIT(5)
1374 #define IT83XX_SPI_EDIM                    BIT(2)
1375 #define IT83XX_SPI_ISR               ECREG(IT83XX_SPI_BASE + 0x05)
1376 #define IT83XX_SPI_TXFSR             ECREG(IT83XX_SPI_BASE + 0x06)
1377 #define IT83XX_SPI_ENDDETECTINT            BIT(2)
1378 #define IT83XX_SPI_RXFSR             ECREG(IT83XX_SPI_BASE + 0x07)
1379 #define IT83XX_SPI_RXFFSM                  (BIT(4) | BIT(3))
1380 #define IT83XX_SPI_RXF2FS                  BIT(2)
1381 #define IT83XX_SPI_RXF1FS                  BIT(1)
1382 #ifdef CHIP_VARIANT_IT83202BX
1383 #define IT83XX_SPI_SPISRDR           ECREG(IT83XX_SPI_BASE + 0x08)
1384 #else
1385 #define IT83XX_SPI_SPISRDR           ECREG(IT83XX_SPI_BASE + 0x0b)
1386 #endif
1387 #define IT83XX_SPI_CPUWTFDB0         ECREG_u32(IT83XX_SPI_BASE + 0x08)
1388 #define IT83XX_SPI_FCR               ECREG(IT83XX_SPI_BASE + 0x09)
1389 #define IT83XX_SPI_SPISRTXF                BIT(2)
1390 #define IT83XX_SPI_RXFR                    BIT(1)
1391 #define IT83XX_SPI_RXFCMR                  BIT(0)
1392 #define IT83XX_SPI_RXFRDRB0          ECREG_u32(IT83XX_SPI_BASE + 0x0C)
1393 #define IT83XX_SPI_FTCB0R            ECREG(IT83XX_SPI_BASE + 0x18)
1394 #define IT83XX_SPI_FTCB1R            ECREG(IT83XX_SPI_BASE + 0x19)
1395 #define IT83XX_SPI_TCCB0             ECREG(IT83XX_SPI_BASE + 0x1A)
1396 #define IT83XX_SPI_TCCB1             ECREG(IT83XX_SPI_BASE + 0x1B)
1397 #define IT83XX_SPI_HPR2              ECREG(IT83XX_SPI_BASE + 0x1E)
1398 #define IT83XX_SPI_EMMCBMR           ECREG(IT83XX_SPI_BASE + 0x21)
1399 #define IT83XX_SPI_EMMCABM                 BIT(1) /* eMMC Alternative Boot Mode */
1400 #define IT83XX_SPI_RX_VLISMR         ECREG(IT83XX_SPI_BASE + 0x26)
1401 #define IT83XX_SPI_RVLIM                   BIT(0)
1402 #define IT83XX_SPI_RX_VLISR          ECREG(IT83XX_SPI_BASE + 0x27)
1403 #define IT83XX_SPI_RVLI                    BIT(0)
1404 
1405 /**
1406  *
1407  * (20xxh) General Control (GCTRL) registers
1408  *
1409  */
1410 #define GCTRL_IT8XXX2_REGS_BASE \
1411 	((struct gctrl_it8xxx2_regs *)DT_REG_ADDR(DT_NODELABEL(gctrl)))
1412 
1413 #ifndef __ASSEMBLER__
1414 struct gctrl_it8xxx2_regs {
1415 	/* 0x00-0x01: Reserved_00_01 */
1416 	volatile uint8_t reserved_00_01[2];
1417 	/* 0x02: Chip Version */
1418 	volatile uint8_t GCTRL_ECHIPVER;
1419 	/* 0x03-0x05: Reserved_03_05 */
1420 	volatile uint8_t reserved_03_05[3];
1421 	/* 0x06: Reset Status */
1422 	volatile uint8_t GCTRL_RSTS;
1423 	/* 0x07-0x09: Reserved_07_09 */
1424 	volatile uint8_t reserved_07_09[3];
1425 	/* 0x0A: Base Address Select */
1426 	volatile uint8_t GCTRL_BADRSEL;
1427 	/* 0x0B: Wait Next Clock Rising */
1428 	volatile uint8_t GCTRL_WNCKR;
1429 	/* 0x0C: reserved_0c */
1430 	volatile uint8_t reserved_0c;
1431 	/* 0x0D: Special Control 1 */
1432 	volatile uint8_t GCTRL_SPCTRL1;
1433 	/* 0x0E-0x0F: reserved_0e_0f */
1434 	volatile uint8_t reserved_0e_0f[2];
1435 	/* 0x10: Reset Control DMM */
1436 	volatile uint8_t GCTRL_RSTDMMC;
1437 	/* 0x11: Reset Control 4 */
1438 	volatile uint8_t GCTRL_RSTC4;
1439 	/* 0x12-0x1B: reserved_12_1b */
1440 	volatile uint8_t reserved_12_1b[10];
1441 	/* 0x1C: Special Control 4 */
1442 	volatile uint8_t GCTRL_SPCTRL4;
1443 	/* 0x1D-0x1F: reserved_1d_1f */
1444 	volatile uint8_t reserved_1d_1f[3];
1445 	/* 0x20: Memory Controller Configuration 3 */
1446 	volatile uint8_t GCTRL_MCCR3;
1447 	/* 0x21: Reset Control 5 */
1448 	volatile uint8_t GCTRL_RSTC5;
1449 	/* 0x22-0x2F: reserved_22_2f */
1450 	volatile uint8_t reserved_22_2f[14];
1451 	/* 0x30: Memory Controller Configuration */
1452 	volatile uint8_t GCTRL_MCCR;
1453 	/* 0x31: Externel ILM/DLM Size */
1454 	volatile uint8_t GCTRL_EIDSR;
1455 	/* 0x32: Reserved_32 */
1456 	volatile uint8_t reserved_32;
1457 	/* 0x33: Pin Multi-function Enable 2 */
1458 	volatile uint8_t gctrl_pmer2;
1459 	/* 0x34-0x36: Reserved_34_36 */
1460 	volatile uint8_t reserved_34_36[3];
1461 	/* 0x37: Eflash Protect Lock */
1462 	volatile uint8_t GCTRL_EPLR;
1463 	/* 0x38-0x40: Reserved_38_40 */
1464 	volatile uint8_t reserved_38_40[9];
1465 	/* 0x41: Interrupt Vector Table Base Address */
1466 	volatile uint8_t GCTRL_IVTBAR;
1467 	/* 0x42-0x43: Reserved_42_43 */
1468 	volatile uint8_t reserved_42_43[2];
1469 	/* 0x44: Memory Controller Configuration 2 */
1470 	volatile uint8_t GCTRL_MCCR2;
1471 	/* 0x45: Reserved_45 */
1472 	volatile uint8_t reserved_45;
1473 	/* 0x46: Pin Multi-function Enable 3 */
1474 	volatile uint8_t GCTRL_PMER3;
1475 	/* 0x47-0x4A: reserved_47_4a */
1476 	volatile uint8_t reserved_47_4a[4];
1477 	/* 0x4B: ETWD and UART Control */
1478 	volatile uint8_t GCTRL_ETWDUARTCR;
1479 	/* 0x4C: Wakeup MCU Control */
1480 	volatile uint8_t GCTRL_WMCR;
1481 	/* 0x4D-0x4F: reserved_4d_4f */
1482 	volatile uint8_t reserved_4d_4f[3];
1483 	/* 0x50: Port 80h/81h Status Register */
1484 	volatile uint8_t GCTRL_P80H81HSR;
1485 	/* 0x51: Port 80h Data Register */
1486 	volatile uint8_t GCTRL_P80HDR;
1487 	/* 0x52: Port 81h Data Register */
1488 	volatile uint8_t GCTRL_P81HDR;
1489 	/* 0x53: H2RAM Offset Register */
1490 	volatile uint8_t GCTRL_H2ROFSR;
1491 	/* 0x54-0x5C: reserved_54_5c */
1492 	volatile uint8_t reserved_54_5c[9];
1493 	/* 0x5D: RISCV ILM Configuration 0 */
1494 	volatile uint8_t GCTRL_RVILMCR0;
1495 	/* 0x5E-0x84: reserved_5e_84 */
1496 	volatile uint8_t reserved_5e_84[39];
1497 	/* 0x85: Chip ID Byte 1 */
1498 	volatile uint8_t GCTRL_ECHIPID1;
1499 	/* 0x86: Chip ID Byte 2 */
1500 	volatile uint8_t GCTRL_ECHIPID2;
1501 	/* 0x87: Chip ID Byte 3 */
1502 	volatile uint8_t GCTRL_ECHIPID3;
1503 };
1504 #endif /* !__ASSEMBLER__ */
1505 
1506 /* GCTRL register fields */
1507 /* 0x06: Reset Status */
1508 #define IT8XXX2_GCTRL_LRS		(BIT(1) | BIT(0))
1509 #define IT8XXX2_GCTRL_IWDTR		BIT(1)
1510 /* 0x10: Reset Control DMM */
1511 #define IT8XXX2_GCTRL_UART1SD		BIT(3)
1512 #define IT8XXX2_GCTRL_UART2SD		BIT(2)
1513 /* 0x11: Reset Control 4 */
1514 #define IT8XXX2_GCTRL_RPECI		BIT(4)
1515 #define IT8XXX2_GCTRL_RUART2		BIT(2)
1516 #define IT8XXX2_GCTRL_RUART1		BIT(1)
1517 /* 0x1C: Special Control 4 */
1518 #define IT8XXX2_GCTRL_LRSIWR		BIT(2)
1519 #define IT8XXX2_GCTRL_LRSIPWRSWTR	BIT(1)
1520 #define IT8XXX2_GCTRL_LRSIPGWR		BIT(0)
1521 /* 0x20: Memory Controller Configuration 3 */
1522 #define IT8XXX2_GCTRL_SPISLVPFE		BIT(6)
1523 /* 0x30: Memory Controller Configuration */
1524 #define IT8XXX2_GCTRL_ICACHE_RESET	BIT(4)
1525 /* 0x37: Eflash Protect Lock */
1526 #define IT8XXX2_GCTRL_EPLR_ENABLE	BIT(0)
1527 /* 0x46: Pin Multi-function Enable 3 */
1528 #define IT8XXX2_GCTRL_SMB3PSEL		BIT(6)
1529 /* 0x4B: ETWD and UART Control */
1530 #define IT8XXX2_GCTRL_ETWD_HW_RST_EN	BIT(0)
1531 /* 0x5D: RISCV ILM Configuration 0 */
1532 #define IT8XXX2_GCTRL_ILM0_ENABLE	BIT(0)
1533 /* Accept Port 80h Cycle */
1534 #define IT8XXX2_GCTRL_ACP80		BIT(6)
1535 /* USB Debug Enable */
1536 #define IT8XXX2_GCTRL_MCCR_USB_EN	BIT(7)
1537 /* USB Pad Power-On Enable */
1538 #define IT8XXX2_GCTRL_PMER2_USB_PAD_EN	BIT(7)
1539 
1540 /*
1541  * VCC Detector Option.
1542  * bit[7-6] = 1: The VCC power status is treated as power-on.
1543  * The VCC supply of eSPI and related functions (EC2I, KBC, PMC and
1544  * PECI). It means VCC should be logic high before using these
1545  * functions, or firmware treats VCC logic high.
1546  */
1547 #define IT8XXX2_GCTRL_VCCDO_MASK	(BIT(6) | BIT(7))
1548 #define IT8XXX2_GCTRL_VCCDO_VCC_ON	BIT(6)
1549 /*
1550  * bit[3] = 0: The reset source of PNPCFG is RSTPNP bit in RSTCH
1551  * register and WRST#.
1552  */
1553 #define IT8XXX2_GCTRL_HGRST		BIT(3)
1554 /* bit[2] = 1: Enable global reset. */
1555 #define IT8XXX2_GCTRL_GRST		BIT(2)
1556 
1557 /**
1558  *
1559  * (22xxh) Battery-backed SRAM (BRAM) registers
1560  *
1561  */
1562 #ifndef __ASSEMBLER__
1563 /* Battery backed RAM indices. */
1564 #define BRAM_MAGIC_FIELD_OFFSET 0xbc
1565 enum bram_indices {
1566 
1567 	/* This field is used to indicate BRAM is valid or not. */
1568 	BRAM_IDX_VALID_FLAGS0 = BRAM_MAGIC_FIELD_OFFSET,
1569 	BRAM_IDX_VALID_FLAGS1,
1570 	BRAM_IDX_VALID_FLAGS2,
1571 	BRAM_IDX_VALID_FLAGS3
1572 };
1573 #endif /* !__ASSEMBLER__ */
1574 
1575 #ifndef __ASSEMBLER__
1576 /*
1577  * EC2I bridge registers
1578  */
1579 struct ec2i_regs {
1580 	/* 0x00: Indirect Host I/O Address Register */
1581 	volatile uint8_t IHIOA;
1582 	/* 0x01: Indirect Host Data Register */
1583 	volatile uint8_t IHD;
1584 	/* 0x02: Lock Super I/O Host Access Register */
1585 	volatile uint8_t LSIOHA;
1586 	/* 0x03: Super I/O Access Lock Violation Register */
1587 	volatile uint8_t SIOLV;
1588 	/* 0x04: EC to I-Bus Modules Access Enable Register */
1589 	volatile uint8_t IBMAE;
1590 	/* 0x05: I-Bus Control Register */
1591 	volatile uint8_t IBCTL;
1592 };
1593 
1594 /* Index list of the host interface registers of PNPCFG */
1595 enum host_pnpcfg_index {
1596 	/* Logical Device Number */
1597 	HOST_INDEX_LDN = 0x07,
1598 	/* Chip ID Byte 1 */
1599 	HOST_INDEX_CHIPID1 = 0x20,
1600 	/* Chip ID Byte 2 */
1601 	HOST_INDEX_CHIPID2 = 0x21,
1602 	/* Chip Version */
1603 	HOST_INDEX_CHIPVER = 0x22,
1604 	/* Super I/O Control */
1605 	HOST_INDEX_SIOCTRL = 0x23,
1606 	/* Super I/O IRQ Configuration */
1607 	HOST_INDEX_SIOIRQ = 0x25,
1608 	/* Super I/O General Purpose */
1609 	HOST_INDEX_SIOGP = 0x26,
1610 	/* Super I/O Power Mode */
1611 	HOST_INDEX_SIOPWR = 0x2D,
1612 	/* Depth 2 I/O Address */
1613 	HOST_INDEX_D2ADR = 0x2E,
1614 	/* Depth 2 I/O Data */
1615 	HOST_INDEX_D2DAT = 0x2F,
1616 	/* Logical Device Activate Register */
1617 	HOST_INDEX_LDA = 0x30,
1618 	/* I/O Port Base Address Bits [15:8] for Descriptor 0 */
1619 	HOST_INDEX_IOBAD0_MSB = 0x60,
1620 	/* I/O Port Base Address Bits [7:0] for Descriptor 0 */
1621 	HOST_INDEX_IOBAD0_LSB = 0x61,
1622 	/* I/O Port Base Address Bits [15:8] for Descriptor 1 */
1623 	HOST_INDEX_IOBAD1_MSB = 0x62,
1624 	/* I/O Port Base Address Bits [7:0] for Descriptor 1 */
1625 	HOST_INDEX_IOBAD1_LSB = 0x63,
1626 	/* Interrupt Request Number and Wake-Up on IRQ Enabled */
1627 	HOST_INDEX_IRQNUMX = 0x70,
1628 	/* Interrupt Request Type Select */
1629 	HOST_INDEX_IRQTP = 0x71,
1630 	/* DMA Channel Select 0 */
1631 	HOST_INDEX_DMAS0 = 0x74,
1632 	/* DMA Channel Select 1 */
1633 	HOST_INDEX_DMAS1 = 0x75,
1634 	/* Device Specific Logical Device Configuration 1 to 10 */
1635 	HOST_INDEX_DSLDC1 = 0xF0,
1636 	HOST_INDEX_DSLDC2 = 0xF1,
1637 	HOST_INDEX_DSLDC3 = 0xF2,
1638 	HOST_INDEX_DSLDC4 = 0xF3,
1639 	HOST_INDEX_DSLDC5 = 0xF4,
1640 	HOST_INDEX_DSLDC6 = 0xF5,
1641 	HOST_INDEX_DSLDC7 = 0xF6,
1642 	HOST_INDEX_DSLDC8 = 0xF7,
1643 	HOST_INDEX_DSLDC9 = 0xF8,
1644 	HOST_INDEX_DSLDC10 = 0xF9,
1645 };
1646 
1647 /* List of logical device number (LDN) assignments */
1648 enum logical_device_number {
1649 	/* Serial Port 1 */
1650 	LDN_UART1 = 0x01,
1651 	/* Serial Port 2 */
1652 	LDN_UART2 = 0x02,
1653 	/* System Wake-Up Control */
1654 	LDN_SWUC = 0x04,
1655 	/* KBC/Mouse Interface */
1656 	LDN_KBC_MOUSE = 0x05,
1657 	/* KBC/Keyboard Interface */
1658 	LDN_KBC_KEYBOARD = 0x06,
1659 	/* Consumer IR */
1660 	LDN_CIR = 0x0A,
1661 	/* Shared Memory/Flash Interface */
1662 	LDN_SMFI = 0x0F,
1663 	/* RTC-like Timer */
1664 	LDN_RTCT = 0x10,
1665 	/* Power Management I/F Channel 1 */
1666 	LDN_PMC1 = 0x11,
1667 	/* Power Management I/F Channel 2 */
1668 	LDN_PMC2 = 0x12,
1669 	/* Serial Peripheral Interface */
1670 	LDN_SSPI = 0x13,
1671 	/* Platform Environment Control Interface */
1672 	LDN_PECI = 0x14,
1673 	/* Power Management I/F Channel 3 */
1674 	LDN_PMC3 = 0x17,
1675 	/* Power Management I/F Channel 4 */
1676 	LDN_PMC4 = 0x18,
1677 	/* Power Management I/F Channel 5 */
1678 	LDN_PMC5 = 0x19,
1679 };
1680 
1681 /* Structure for initializing PNPCFG via ec2i. */
1682 struct ec2i_t {
1683 	/* index port */
1684 	enum host_pnpcfg_index index_port;
1685 	/* data port */
1686 	uint8_t data_port;
1687 };
1688 
1689 /* EC2I access index/data port */
1690 enum ec2i_access {
1691 	/* index port */
1692 	EC2I_ACCESS_INDEX = 0,
1693 	/* data port */
1694 	EC2I_ACCESS_DATA = 1,
1695 };
1696 
1697 /* EC to I-Bus Access Enabled */
1698 #define EC2I_IBCTL_CSAE  BIT(0)
1699 /* EC Read from I-Bus */
1700 #define EC2I_IBCTL_CRIB  BIT(1)
1701 /* EC Write to I-Bus */
1702 #define EC2I_IBCTL_CWIB  BIT(2)
1703 #define EC2I_IBCTL_CRWIB (EC2I_IBCTL_CRIB | EC2I_IBCTL_CWIB)
1704 
1705 /* PNPCFG Register EC Access Enable */
1706 #define EC2I_IBMAE_CFGAE BIT(0)
1707 
1708 /*
1709  * KBC registers
1710  */
1711 struct kbc_regs {
1712 	/* 0x00: KBC Host Interface Control Register */
1713 	volatile uint8_t KBHICR;
1714 	/* 0x01: Reserved1 */
1715 	volatile uint8_t reserved1;
1716 	/* 0x02: KBC Interrupt Control Register */
1717 	volatile uint8_t KBIRQR;
1718 	/* 0x03: Reserved2 */
1719 	volatile uint8_t reserved2;
1720 	/* 0x04: KBC Host Interface Keyboard/Mouse Status Register */
1721 	volatile uint8_t KBHISR;
1722 	/* 0x05: Reserved3 */
1723 	volatile uint8_t reserved3;
1724 	/* 0x06: KBC Host Interface Keyboard Data Output Register */
1725 	volatile uint8_t KBHIKDOR;
1726 	/* 0x07: Reserved4 */
1727 	volatile uint8_t reserved4;
1728 	/* 0x08: KBC Host Interface Mouse Data Output Register */
1729 	volatile uint8_t KBHIMDOR;
1730 	/* 0x09: Reserved5 */
1731 	volatile uint8_t reserved5;
1732 	/* 0x0a: KBC Host Interface Keyboard/Mouse Data Input Register */
1733 	volatile uint8_t KBHIDIR;
1734 };
1735 
1736 /* Output Buffer Full */
1737 #define KBC_KBHISR_OBF      BIT(0)
1738 /* Input Buffer Full */
1739 #define KBC_KBHISR_IBF      BIT(1)
1740 /* A2 Address (A2) */
1741 #define KBC_KBHISR_A2_ADDR  BIT(3)
1742 #define KBC_KBHISR_STS_MASK (KBC_KBHISR_OBF | KBC_KBHISR_IBF \
1743 						| KBC_KBHISR_A2_ADDR)
1744 
1745 /* Clear Output Buffer Full */
1746 #define KBC_KBHICR_COBF      BIT(6)
1747 /* IBF/OBF Clear Mode Enable */
1748 #define KBC_KBHICR_IBFOBFCME BIT(5)
1749 /* Input Buffer Full CPU Interrupt Enable */
1750 #define KBC_KBHICR_IBFCIE    BIT(3)
1751 /* Output Buffer Empty CPU Interrupt Enable */
1752 #define KBC_KBHICR_OBECIE    BIT(2)
1753 /* Output Buffer Full Mouse Interrupt Enable */
1754 #define KBC_KBHICR_OBFMIE    BIT(1)
1755 /* Output Buffer Full Keyboard Interrupt Enable */
1756 #define KBC_KBHICR_OBFKIE    BIT(0)
1757 
1758 /*
1759  * PMC registers
1760  */
1761 struct pmc_regs {
1762 	/* 0x00: Host Interface PM Channel 1 Status */
1763 	volatile uint8_t PM1STS;
1764 	/* 0x01: Host Interface PM Channel 1 Data Out Port */
1765 	volatile uint8_t PM1DO;
1766 	/* 0x02: Host Interface PM Channel 1 Data Out Port with SCI# */
1767 	volatile uint8_t PM1DOSCI;
1768 	/* 0x03: Host Interface PM Channel 1 Data Out Port with SMI# */
1769 	volatile uint8_t PM1DOSMI;
1770 	/* 0x04: Host Interface PM Channel 1 Data In Port */
1771 	volatile uint8_t PM1DI;
1772 	/* 0x05: Host Interface PM Channel 1 Data In Port with SCI# */
1773 	volatile uint8_t PM1DISCI;
1774 	/* 0x06: Host Interface PM Channel 1 Control */
1775 	volatile uint8_t PM1CTL;
1776 	/* 0x07: Host Interface PM Channel 1 Interrupt Control */
1777 	volatile uint8_t PM1IC;
1778 	/* 0x08: Host Interface PM Channel 1 Interrupt Enable */
1779 	volatile uint8_t PM1IE;
1780 	/* 0x09-0x0f: Reserved1 */
1781 	volatile uint8_t reserved1[7];
1782 	/* 0x10: Host Interface PM Channel 2 Status */
1783 	volatile uint8_t PM2STS;
1784 	/* 0x11: Host Interface PM Channel 2 Data Out Port */
1785 	volatile uint8_t PM2DO;
1786 	/* 0x12: Host Interface PM Channel 2 Data Out Port with SCI# */
1787 	volatile uint8_t PM2DOSCI;
1788 	/* 0x13: Host Interface PM Channel 2 Data Out Port with SMI# */
1789 	volatile uint8_t PM2DOSMI;
1790 	/* 0x14: Host Interface PM Channel 2 Data In Port */
1791 	volatile uint8_t PM2DI;
1792 	/* 0x15: Host Interface PM Channel 2 Data In Port with SCI# */
1793 	volatile uint8_t PM2DISCI;
1794 	/* 0x16: Host Interface PM Channel 2 Control */
1795 	volatile uint8_t PM2CTL;
1796 	/* 0x17: Host Interface PM Channel 2 Interrupt Control */
1797 	volatile uint8_t PM2IC;
1798 	/* 0x18: Host Interface PM Channel 2 Interrupt Enable */
1799 	volatile uint8_t PM2IE;
1800 	/* 0x19: Mailbox Control */
1801 	volatile uint8_t MBXCTRL;
1802 	/* 0x1a-0x1f: Reserved2 */
1803 	volatile uint8_t reserved2[6];
1804 	/* 0x20-0xff: Reserved3 */
1805 	volatile uint8_t reserved3[0xe0];
1806 };
1807 
1808 /* Input Buffer Full Interrupt Enable */
1809 #define PMC_PM1CTL_IBFIE    BIT(0)
1810 /* Output Buffer Full */
1811 #define PMC_PM1STS_OBF      BIT(0)
1812 /* Input Buffer Full */
1813 #define PMC_PM1STS_IBF      BIT(1)
1814 /* General Purpose Flag */
1815 #define PMC_PM1STS_GPF      BIT(2)
1816 /* A2 Address (A2) */
1817 #define PMC_PM1STS_A2_ADDR  BIT(3)
1818 
1819 /* PMC2 Input Buffer Full Interrupt Enable */
1820 #define PMC_PM2CTL_IBFIE    BIT(0)
1821 /* General Purpose Flag */
1822 #define PMC_PM2STS_GPF      BIT(2)
1823 
1824 /*
1825  * Dedicated Interrupt
1826  * 0b:
1827  * INT3: PMC Output Buffer Empty Int
1828  * INT25: PMC Input Buffer Full Int
1829  * 1b:
1830  * INT3: PMC1 Output Buffer Empty Int
1831  * INT25: PMC1 Input Buffer Full Int
1832  * INT26: PMC2 Output Buffer Empty Int
1833  * INT27: PMC2 Input Buffer Full Int
1834  */
1835 #define PMC_MBXCTRL_DINT    BIT(5)
1836 
1837 /*
1838  * eSPI slave registers
1839  */
1840 struct espi_slave_regs {
1841 	/* 0x00-0x03: Reserved1 */
1842 	volatile uint8_t reserved1[4];
1843 
1844 	/* 0x04: General Capabilities and Configuration 0 */
1845 	volatile uint8_t GCAPCFG0;
1846 	/* 0x05: General Capabilities and Configuration 1 */
1847 	volatile uint8_t GCAPCFG1;
1848 	/* 0x06: General Capabilities and Configuration 2 */
1849 	volatile uint8_t GCAPCFG2;
1850 	/* 0x07: General Capabilities and Configuration 3 */
1851 	volatile uint8_t GCAPCFG3;
1852 
1853 	/* Channel 0 (Peripheral Channel) Capabilities and Configurations */
1854 	/* 0x08: Channel 0 Capabilities and Configuration 0 */
1855 	volatile uint8_t CH_PC_CAPCFG0;
1856 	/* 0x09: Channel 0 Capabilities and Configuration 1 */
1857 	volatile uint8_t CH_PC_CAPCFG1;
1858 	/* 0x0A: Channel 0 Capabilities and Configuration 2 */
1859 	volatile uint8_t CH_PC_CAPCFG2;
1860 	/* 0x0B: Channel 0 Capabilities and Configuration 3 */
1861 	volatile uint8_t CH_PC_CAPCFG3;
1862 
1863 	/* Channel 1 (Virtual Wire Channel) Capabilities and Configurations */
1864 	/* 0x0C: Channel 1 Capabilities and Configuration 0 */
1865 	volatile uint8_t CH_VW_CAPCFG0;
1866 	/* 0x0D: Channel 1 Capabilities and Configuration 1 */
1867 	volatile uint8_t CH_VW_CAPCFG1;
1868 	/* 0x0E: Channel 1 Capabilities and Configuration 2 */
1869 	volatile uint8_t CH_VW_CAPCFG2;
1870 	/* 0x0F: Channel 1 Capabilities and Configuration 3 */
1871 	volatile uint8_t CH_VW_CAPCFG3;
1872 
1873 	/* Channel 2 (OOB Message Channel) Capabilities and Configurations */
1874 	/* 0x10: Channel 2 Capabilities and Configuration 0 */
1875 	volatile uint8_t CH_OOB_CAPCFG0;
1876 	/* 0x11: Channel 2 Capabilities and Configuration 1 */
1877 	volatile uint8_t CH_OOB_CAPCFG1;
1878 	/* 0x12: Channel 2 Capabilities and Configuration 2 */
1879 	volatile uint8_t CH_OOB_CAPCFG2;
1880 	/* 0x13: Channel 2 Capabilities and Configuration 3 */
1881 	volatile uint8_t CH_OOB_CAPCFG3;
1882 
1883 	/* Channel 3 (Flash Access Channel) Capabilities and Configurations */
1884 	/* 0x14: Channel 3 Capabilities and Configuration 0 */
1885 	volatile uint8_t CH_FLASH_CAPCFG0;
1886 	/* 0x15: Channel 3 Capabilities and Configuration 1 */
1887 	volatile uint8_t CH_FLASH_CAPCFG1;
1888 	/* 0x16: Channel 3 Capabilities and Configuration 2 */
1889 	volatile uint8_t CH_FLASH_CAPCFG2;
1890 	/* 0x17: Channel 3 Capabilities and Configuration 3 */
1891 	volatile uint8_t CH_FLASH_CAPCFG3;
1892 	/* Channel 3 Capabilities and Configurations 2 */
1893 	/* 0x18: Channel 3 Capabilities and Configuration 2-0 */
1894 	volatile uint8_t CH_FLASH_CAPCFG2_0;
1895 	/* 0x19: Channel 3 Capabilities and Configuration 2-1 */
1896 	volatile uint8_t CH_FLASH_CAPCFG2_1;
1897 	/* 0x1A: Channel 3 Capabilities and Configuration 2-2 */
1898 	volatile uint8_t CH_FLASH_CAPCFG2_2;
1899 	/* 0x1B: Channel 3 Capabilities and Configuration 2-3 */
1900 	volatile uint8_t CH_FLASH_CAPCFG2_3;
1901 
1902 	/* 0x1c-0x1f: Reserved2 */
1903 	volatile uint8_t reserved2[4];
1904 	/* 0x20-0x8f: Reserved3 */
1905 	volatile uint8_t reserved3[0x70];
1906 
1907 	/* 0x90: eSPI PC Control 0 */
1908 	volatile uint8_t ESPCTRL0;
1909 	/* 0x91: eSPI PC Control 1 */
1910 	volatile uint8_t ESPCTRL1;
1911 	/* 0x92: eSPI PC Control 2 */
1912 	volatile uint8_t ESPCTRL2;
1913 	/* 0x93: eSPI PC Control 3 */
1914 	volatile uint8_t ESPCTRL3;
1915 	/* 0x94: eSPI PC Control 4 */
1916 	volatile uint8_t ESPCTRL4;
1917 	/* 0x95: eSPI PC Control 5 */
1918 	volatile uint8_t ESPCTRL5;
1919 	/* 0x96: eSPI PC Control 6 */
1920 	volatile uint8_t ESPCTRL6;
1921 	/* 0x97: eSPI PC Control 7 */
1922 	volatile uint8_t ESPCTRL7;
1923 	/* 0x98-0x9f: Reserved4 */
1924 	volatile uint8_t reserved4[8];
1925 
1926 	/* 0xa0: eSPI General Control 0 */
1927 	volatile uint8_t ESGCTRL0;
1928 	/* 0xa1: eSPI General Control 1 */
1929 	volatile uint8_t ESGCTRL1;
1930 	/* 0xa2: eSPI General Control 2 */
1931 	volatile uint8_t ESGCTRL2;
1932 	/* 0xa3: eSPI General Control 3 */
1933 	volatile uint8_t ESGCTRL3;
1934 	/* 0xa4-0xaf: Reserved5 */
1935 	volatile uint8_t reserved5[12];
1936 
1937 	/* 0xb0: eSPI Upstream Control 0 */
1938 	volatile uint8_t ESUCTRL0;
1939 	/* 0xb1: eSPI Upstream Control 1 */
1940 	volatile uint8_t ESUCTRL1;
1941 	/* 0xb2: eSPI Upstream Control 2 */
1942 	volatile uint8_t ESUCTRL2;
1943 	/* 0xb3: eSPI Upstream Control 3 */
1944 	volatile uint8_t ESUCTRL3;
1945 	/* 0xb4-0xb5: Reserved6 */
1946 	volatile uint8_t reserved6[2];
1947 	/* 0xb6: eSPI Upstream Control 6 */
1948 	volatile uint8_t ESUCTRL6;
1949 	/* 0xb7: eSPI Upstream Control 7 */
1950 	volatile uint8_t ESUCTRL7;
1951 	/* 0xb8: eSPI Upstream Control 8 */
1952 	volatile uint8_t ESUCTRL8;
1953 	/* 0xb9-0xbf: Reserved7 */
1954 	volatile uint8_t reserved7[7];
1955 
1956 	/* 0xc0: eSPI OOB Control 0 */
1957 	volatile uint8_t ESOCTRL0;
1958 	/* 0xc1: eSPI OOB Control 1 */
1959 	volatile uint8_t ESOCTRL1;
1960 	/* 0xc2-0xc3: Reserved8 */
1961 	volatile uint8_t reserved8[2];
1962 	/* 0xc4: eSPI OOB Control 4 */
1963 	volatile uint8_t ESOCTRL4;
1964 	/* 0xc5-0xcf: Reserved9 */
1965 	volatile uint8_t reserved9[11];
1966 
1967 	/* 0xd0: eSPI SAFS Control 0 */
1968 	volatile uint8_t ESPISAFSC0;
1969 	/* 0xd1: eSPI SAFS Control 1 */
1970 	volatile uint8_t ESPISAFSC1;
1971 	/* 0xd2: eSPI SAFS Control 2 */
1972 	volatile uint8_t ESPISAFSC2;
1973 	/* 0xd3: eSPI SAFS Control 3 */
1974 	volatile uint8_t ESPISAFSC3;
1975 	/* 0xd4: eSPI SAFS Control 4 */
1976 	volatile uint8_t ESPISAFSC4;
1977 	/* 0xd5: eSPI SAFS Control 5 */
1978 	volatile uint8_t ESPISAFSC5;
1979 	/* 0xd6: eSPI SAFS Control 6 */
1980 	volatile uint8_t ESPISAFSC6;
1981 	/* 0xd7: eSPI SAFS Control 7 */
1982 	volatile uint8_t ESPISAFSC7;
1983 };
1984 
1985 /*
1986  * eSPI VW registers
1987  */
1988 struct espi_vw_regs {
1989 	/* 0x00-0x7f: VW index */
1990 	volatile uint8_t VW_INDEX[0x80];
1991 	/* 0x80-0x8f: Reserved1 */
1992 	volatile uint8_t reserved1[0x10];
1993 	/* 0x90: VW Contrl 0 */
1994 	volatile uint8_t VWCTRL0;
1995 	/* 0x91: VW Contrl 1 */
1996 	volatile uint8_t VWCTRL1;
1997 	/* 0x92: VW Contrl 2 */
1998 	volatile uint8_t VWCTRL2;
1999 	/* 0x93: VW Contrl 3 */
2000 	volatile uint8_t VWCTRL3;
2001 	/* 0x94: Reserved2 */
2002 	volatile uint8_t reserved2;
2003 	/* 0x95: VW Contrl 5 */
2004 	volatile uint8_t VWCTRL5;
2005 	/* 0x96: VW Contrl 6 */
2006 	volatile uint8_t VWCTRL6;
2007 	/* 0x97: VW Contrl 7 */
2008 	volatile uint8_t VWCTRL7;
2009 	/* 0x98-0x99: Reserved3 */
2010 	volatile uint8_t reserved3[2];
2011 };
2012 
2013 #define ESPI_IT8XXX2_OOB_MAX_PAYLOAD_SIZE 80
2014 /*
2015  * eSPI Queue 0 registers
2016  */
2017 struct espi_queue0_regs {
2018 	/* 0x00-0x3f: PUT_PC Data Byte 0-63 */
2019 	volatile uint8_t PUT_PC_DATA[0x40];
2020 	/* 0x40-0x7f: Reserved1 */
2021 	volatile uint8_t reserved1[0x40];
2022 	/* 0x80-0xcf: PUT_OOB Data Byte 0-79 */
2023 	volatile uint8_t PUT_OOB_DATA[ESPI_IT8XXX2_OOB_MAX_PAYLOAD_SIZE];
2024 };
2025 
2026 /*
2027  * eSPI Queue 1 registers
2028  */
2029 struct espi_queue1_regs {
2030 	/* 0x00-0x4f: Upstream Data Byte 0-79 */
2031 	volatile uint8_t UPSTREAM_DATA[ESPI_IT8XXX2_OOB_MAX_PAYLOAD_SIZE];
2032 	/* 0x50-0x7f: Reserved1 */
2033 	volatile uint8_t reserved1[0x30];
2034 	/* 0x80-0xbf: PUT_FLASH_NP Data Byte 0-63 */
2035 	volatile uint8_t PUT_FLASH_NP_DATA[0x40];
2036 };
2037 
2038 #endif /* !__ASSEMBLER__ */
2039 
2040 
2041 /**
2042  *
2043  * (3Axxh) SPI Slave Controller (SPISC) registers
2044  *
2045  */
2046 #ifndef __ASSEMBLER__
2047 struct spisc_it8xxx2_regs {
2048 	/* 0x00: SPI Slave General Control */
2049 	volatile uint8_t SPISC_SPISGCR;
2050 	/* 0x01: Tx/Rx FIFO Access */
2051 	volatile uint8_t SPISC_TXRXFAR;
2052 	/* 0x02: Tx FIFO Control */
2053 	volatile uint8_t SPISC_TXFCR;
2054 	/* 0x03: SPI Slave General Control 2 */
2055 	volatile uint8_t SPISC_SPISGCR2;
2056 	/* 0x04: Interrupt Mask */
2057 	volatile uint8_t SPISC_IMR;
2058 	/* 0x05: Interrupt Status */
2059 	volatile uint8_t SPISC_ISR;
2060 	/* 0x06: Tx FIFO Status */
2061 	volatile uint8_t SPISC_TXFSR;
2062 	/* 0x07: Rx FIFO Status */
2063 	volatile uint8_t SPISC_RXFSR;
2064 	/* 0x08: CPU Write Tx FIFO Data Byte0 */
2065 	volatile uint8_t SPISC_CPUWTXFDB0R;
2066 	/* 0x09: FIFO Control / CPU Write Tx FIFO Data Byte1 */
2067 	volatile uint8_t SPISC_FCR;
2068 	/* 0x0A: CPU Write Tx FIFO Data Byte2 */
2069 	volatile uint8_t SPISC_CPUWTXFDB2R;
2070 	/* 0x0B: SPI Slave Response Data / CPU Write Tx FIFO Data Byte3 */
2071 	volatile uint8_t SPISC_SPISRDR;
2072 	/* 0x0C: Rx FIFO Readout Data Byte0 */
2073 	volatile uint8_t SPISC_RXFRDRB0;
2074 	/* 0x0D: Rx FIFO Readout Data Byte1 */
2075 	volatile uint8_t SPISC_RXFRDRB1;
2076 	/* 0x0E: Rx FIFO Readout Data Byte2 */
2077 	volatile uint8_t SPISC_RXFRDRB2;
2078 	/* 0x0F: Rx FIFO Readout Data Byte3 */
2079 	volatile uint8_t SPISC_RXFRDRB3;
2080 	/* 0x10-0x17: Reserved1 */
2081 	volatile uint8_t reserved1[8];
2082 	/* 0x18: FIFO Target Count Byte0 */
2083 	volatile uint8_t SPISC_FTCB0R;
2084 	/* 0x19: FIFO Target Count Byte1 */
2085 	volatile uint8_t SPISC_FTCB1R;
2086 	/* 0x1A: Target Count Capture Byte0 */
2087 	volatile uint8_t SPISC_TCCB0;
2088 	/* 0x1B: Target Count Capture Byte1 */
2089 	volatile uint8_t SPISC_TCCB1;
2090 	/* 0x1C-0x1D: Reserved2 */
2091 	volatile uint8_t reserved2[2];
2092 	/* 0x1E: Hardware Parsing 2 */
2093 	volatile uint8_t SPISC_HPR2;
2094 	/* 0x1F-0x25: Reserved3 */
2095 	volatile uint8_t reserved3[7];
2096 	/* 0x26: Rx Valid Length Interrupt Status Mask */
2097 	volatile uint8_t SPISC_RXVLISMR;
2098 	/* 0x27: Rx Valid Length Interrupt Status */
2099 	volatile uint8_t SPISC_RXVLISR;
2100 };
2101 #endif /* !__ASSEMBLER__ */
2102 
2103 /* SPISC register fields */
2104 /* 0x00: SPI Slave General Control */
2105 #define IT8XXX2_SPISC_SPISCEN		BIT(0)
2106 /* 0x01: Tx/Rx FIFO Access */
2107 #define IT8XXX2_SPISC_CPURXF1A		BIT(3)
2108 #define IT8XXX2_SPISC_CPUTFA		BIT(1)
2109 /* 0x02: Tx FIFO Control */
2110 #define IT8XXX2_SPISC_TXFCMR		BIT(2)
2111 #define IT8XXX2_SPISC_TXFR		BIT(1)
2112 #define IT8XXX2_SPISC_TXFS		BIT(0)
2113 /* 0x03: SPI Slave General Control 2 */
2114 #define IT8XXX2_SPISC_RXF2OC		BIT(4)
2115 #define IT8XXX2_SPISC_RXF1OC		BIT(3)
2116 #define IT8XXX2_SPISC_RXFAR		BIT(0)
2117 /* 0x04: Interrupt Mask */
2118 #define IT8XXX2_SPISC_EDIM		BIT(2)
2119 /* 0x06: Tx FIFO Status */
2120 #define IT8XXX2_SPISC_ENDDETECTINT	BIT(2)
2121 /* 0x09: FIFO Control */
2122 #define IT8XXX2_SPISC_SPISRTXF		BIT(2)
2123 #define IT8XXX2_SPISC_RXFR		BIT(1)
2124 #define IT8XXX2_SPISC_RXFCMR		BIT(0)
2125 /* 0x26: Rx Valid Length Interrupt Status Mask */
2126 #define IT8XXX2_SPISC_RVLIM		BIT(0)
2127 /* 0x27: Rx Valid Length Interrupt Status */
2128 #define IT8XXX2_SPISC_RVLI		BIT(0)
2129 
2130 #endif /* CHIP_CHIPREGS_H */
2131