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 	/* 0x044~0x048: Reserved7 */
225 	volatile uint8_t reserved7[5];
226 	/* 0x049: PWM Output Open-Drain Enable */
227 	volatile uint8_t PWMODENR;
228 };
229 #endif /* !__ASSEMBLER__ */
230 
231 /* PWM register fields */
232 /* 0x023: PWM Clock Control */
233 #define IT8XXX2_PWM_PCCE		BIT(1)
234 /* 0x048: Tachometer Switch Control */
235 #define IT8XXX2_PWM_T0DVS		BIT(3)
236 #define IT8XXX2_PWM_T0CHSEL		BIT(2)
237 #define IT8XXX2_PWM_T1DVS		BIT(1)
238 #define IT8XXX2_PWM_T1CHSEL		BIT(0)
239 
240 
241 /* --- Wake-Up Control (WUC) --- */
242 #define IT8XXX2_WUC_BASE   0x00F01B00
243 
244 /* TODO: should a defined interface for configuring wake-up interrupts */
245 #define IT8XXX2_WUC_WUEMR1 (IT8XXX2_WUC_BASE + 0x00)
246 #define IT8XXX2_WUC_WUEMR5 (IT8XXX2_WUC_BASE + 0x0c)
247 #define IT8XXX2_WUC_WUESR1 (IT8XXX2_WUC_BASE + 0x04)
248 #define IT8XXX2_WUC_WUESR5 (IT8XXX2_WUC_BASE + 0x0d)
249 #define IT8XXX2_WUC_WUBEMR1 (IT8XXX2_WUC_BASE + 0x3c)
250 #define IT8XXX2_WUC_WUBEMR5 (IT8XXX2_WUC_BASE + 0x0f)
251 
252 /**
253  *
254  * (1Dxxh) Keyboard Matrix Scan control (KSCAN)
255  *
256  */
257 #ifndef __ASSEMBLER__
258 struct kscan_it8xxx2_regs {
259 	/* 0x000: Keyboard Scan Out */
260 	volatile uint8_t KBS_KSOL;
261 	/* 0x001: Keyboard Scan Out */
262 	volatile uint8_t KBS_KSOH1;
263 	/* 0x002: Keyboard Scan Out Control */
264 	volatile uint8_t KBS_KSOCTRL;
265 	/* 0x003: Keyboard Scan Out */
266 	volatile uint8_t KBS_KSOH2;
267 	/* 0x004: Keyboard Scan In */
268 	volatile uint8_t KBS_KSI;
269 	/* 0x005: Keyboard Scan In Control */
270 	volatile uint8_t KBS_KSICTRL;
271 	/* 0x006: Keyboard Scan In [7:0] GPIO Control */
272 	volatile uint8_t KBS_KSIGCTRL;
273 	/* 0x007: Keyboard Scan In [7:0] GPIO Output Enable */
274 	volatile uint8_t KBS_KSIGOEN;
275 	/* 0x008: Keyboard Scan In [7:0] GPIO Data */
276 	volatile uint8_t KBS_KSIGDAT;
277 	/* 0x009: Keyboard Scan In [7:0] GPIO Data Mirror */
278 	volatile uint8_t KBS_KSIGDMRR;
279 	/* 0x00A: Keyboard Scan Out [15:8] GPIO Control */
280 	volatile uint8_t KBS_KSOHGCTRL;
281 	/* 0x00B: Keyboard Scan Out [15:8] GPIO Output Enable */
282 	volatile uint8_t KBS_KSOHGOEN;
283 	/* 0x00C: Keyboard Scan Out [15:8] GPIO Data Mirror */
284 	volatile uint8_t KBS_KSOHGDMRR;
285 	/* 0x00D: Keyboard Scan Out [7:0] GPIO Control */
286 	volatile uint8_t KBS_KSOLGCTRL;
287 	/* 0x00E: Keyboard Scan Out [7:0] GPIO Output Enable */
288 	volatile uint8_t KBS_KSOLGOEN;
289 };
290 #endif /* !__ASSEMBLER__ */
291 
292 /* KBS register fields */
293 /* 0x002: Keyboard Scan Out Control */
294 #define IT8XXX2_KBS_KSOPU	BIT(2)
295 #define IT8XXX2_KBS_KSOOD	BIT(0)
296 /* 0x005: Keyboard Scan In Control */
297 #define IT8XXX2_KBS_KSIPU	BIT(2)
298 /* 0x00D: Keyboard Scan Out [7:0] GPIO Control */
299 #define IT8XXX2_KBS_KSO2GCTRL	BIT(2)
300 /* 0x00E: Keyboard Scan Out [7:0] GPIO Output Enable */
301 #define IT8XXX2_KBS_KSO2GOEN	BIT(2)
302 
303 
304 /**
305  *
306  * (1Fxxh) External Timer & External Watchdog (ETWD)
307  *
308  */
309 #ifndef __ASSEMBLER__
310 struct wdt_it8xxx2_regs {
311 	/* 0x000: Reserved1 */
312 	volatile uint8_t reserved1;
313 	/* 0x001: External Timer1/WDT Configuration */
314 	volatile uint8_t ETWCFG;
315 	/* 0x002: External Timer1 Prescaler */
316 	volatile uint8_t ET1PSR;
317 	/* 0x003: External Timer1 Counter High Byte */
318 	volatile uint8_t ET1CNTLHR;
319 	/* 0x004: External Timer1 Counter Low Byte */
320 	volatile uint8_t ET1CNTLLR;
321 	/* 0x005: External Timer1/WDT Control */
322 	volatile uint8_t ETWCTRL;
323 	/* 0x006: External WDT Counter Low Byte */
324 	volatile uint8_t EWDCNTLR;
325 	/* 0x007: External WDT Key */
326 	volatile uint8_t EWDKEYR;
327 	/* 0x008: Reserved2 */
328 	volatile uint8_t reserved2;
329 	/* 0x009: External WDT Counter High Byte */
330 	volatile uint8_t EWDCNTHR;
331 	/* 0x00A: External Timer2 Prescaler */
332 	volatile uint8_t ET2PSR;
333 	/* 0x00B: External Timer2 Counter High Byte */
334 	volatile uint8_t ET2CNTLHR;
335 	/* 0x00C: External Timer2 Counter Low Byte */
336 	volatile uint8_t ET2CNTLLR;
337 	/* 0x00D: Reserved3 */
338 	volatile uint8_t reserved3;
339 	/* 0x00E: External Timer2 Counter High Byte2 */
340 	volatile uint8_t ET2CNTLH2R;
341 };
342 #endif /* !__ASSEMBLER__ */
343 
344 /* WDT register fields */
345 /* 0x001: External Timer1/WDT Configuration */
346 #define IT8XXX2_WDT_EWDKEYEN		BIT(5)
347 #define IT8XXX2_WDT_EWDSRC		BIT(4)
348 #define IT8XXX2_WDT_LEWDCNTL		BIT(3)
349 #define IT8XXX2_WDT_LET1CNTL		BIT(2)
350 #define IT8XXX2_WDT_LET1PS		BIT(1)
351 #define IT8XXX2_WDT_LETWCFG		BIT(0)
352 /* 0x002: External Timer1 Prescaler */
353 #define IT8XXX2_WDT_ETPS_32P768_KHZ	0x00
354 #define IT8XXX2_WDT_ETPS_1P024_KHZ	0x01
355 #define IT8XXX2_WDT_ETPS_32_HZ		0x02
356 /* 0x005: External Timer1/WDT Control */
357 #define IT8XXX2_WDT_EWDSCEN		BIT(5)
358 #define IT8XXX2_WDT_EWDSCMS		BIT(4)
359 #define IT8XXX2_WDT_ET2TC		BIT(3)
360 #define IT8XXX2_WDT_ET2RST		BIT(2)
361 #define IT8XXX2_WDT_ET1TC		BIT(1)
362 #define IT8XXX2_WDT_ET1RST		BIT(0)
363 
364 /* External Timer register fields */
365 /* External Timer 3~8 control */
366 #define IT8XXX2_EXT_ETX_COMB_RST_EN	(IT8XXX2_EXT_ETXCOMB | \
367 					 IT8XXX2_EXT_ETXRST | \
368 					 IT8XXX2_EXT_ETXEN)
369 #define IT8XXX2_EXT_ETXCOMB		BIT(3)
370 #define IT8XXX2_EXT_ETXRST		BIT(1)
371 #define IT8XXX2_EXT_ETXEN		BIT(0)
372 
373 /* Control external timer3~8 */
374 #define IT8XXX2_EXT_TIMER_BASE  DT_REG_ADDR(DT_NODELABEL(timer))  /*0x00F01F10*/
375 #define IT8XXX2_EXT_CTRLX(n)    ECREG(IT8XXX2_EXT_TIMER_BASE + (n << 3))
376 #define IT8XXX2_EXT_PSRX(n)     ECREG(IT8XXX2_EXT_TIMER_BASE + 0x01 + (n << 3))
377 #define IT8XXX2_EXT_CNTX(n)     ECREG_u32(IT8XXX2_EXT_TIMER_BASE + 0x04 + \
378 					(n << 3))
379 #define IT8XXX2_EXT_CNTOX(n)    ECREG_u32(IT8XXX2_EXT_TIMER_BASE + 0x38 + \
380 					(n << 2))
381 
382 /* Free run timer configurations */
383 #define FREE_RUN_TIMER          EXT_TIMER_4
384 #define FREE_RUN_TIMER_IRQ      DT_IRQ_BY_IDX(DT_NODELABEL(timer), 1, irq)
385 /* Free run timer configurations */
386 #define FREE_RUN_TIMER_FLAG     DT_IRQ_BY_IDX(DT_NODELABEL(timer), 1, flags)
387 /* Free run timer max count is 36.4 hr (base on clock source 32768Hz) */
388 #define FREE_RUN_TIMER_MAX_CNT  0xFFFFFFFFUL
389 
390 #ifndef __ASSEMBLER__
391 enum ext_clk_src_sel {
392 	EXT_PSR_32P768K = 0,
393 	EXT_PSR_1P024K,
394 	EXT_PSR_32,
395 	EXT_PSR_8M,
396 };
397 /*
398  * 24-bit timers: external timer 3, 5, and 7
399  * 32-bit timers: external timer 4, 6, and 8
400  */
401 enum ext_timer_idx {
402 	EXT_TIMER_3 = 0,	/* Event timer */
403 	EXT_TIMER_4,		/* Free run timer */
404 	EXT_TIMER_5,		/* Busy wait low timer */
405 	EXT_TIMER_6,		/* Busy wait high timer */
406 	EXT_TIMER_7,
407 	EXT_TIMER_8,
408 };
409 #endif
410 
411 
412 /*
413  *
414  * (2Cxxh) Platform Environment Control Interface (PECI)
415  *
416  */
417 #ifndef __ASSEMBLER__
418 struct peci_it8xxx2_regs {
419 	/* 0x00: Host Status */
420 	volatile uint8_t HOSTAR;
421 	/* 0x01: Host Control */
422 	volatile uint8_t HOCTLR;
423 	/* 0x02: Host Command */
424 	volatile uint8_t HOCMDR;
425 	/* 0x03: Host Target Address */
426 	volatile uint8_t HOTRADDR;
427 	/* 0x04: Host Write Length */
428 	volatile uint8_t HOWRLR;
429 	/* 0x05: Host Read Length */
430 	volatile uint8_t HORDLR;
431 	/* 0x06: Host Write Data */
432 	volatile uint8_t HOWRDR;
433 	/* 0x07: Host Read Data */
434 	volatile uint8_t HORDDR;
435 	/* 0x08: Host Control 2 */
436 	volatile uint8_t HOCTL2R;
437 	/* 0x09: Received Write FCS value */
438 	volatile uint8_t RWFCSV;
439 	/* 0x0A: Received Read FCS value */
440 	volatile uint8_t RRFCSV;
441 	/* 0x0B: Write FCS Value */
442 	volatile uint8_t WFCSV;
443 	/* 0x0C: Read FCS Value */
444 	volatile uint8_t RFCSV;
445 	/* 0x0D: Assured Write FCS Value */
446 	volatile uint8_t AWFCSV;
447 	/* 0x0E: Pad Control */
448 	volatile uint8_t PADCTLR;
449 };
450 #endif /* !__ASSEMBLER__ */
451 
452 /**
453  *
454  * (2Fxxh) USB Device Controller (USBDC) Registers
455  *
456  */
457 #define EP_EXT_REGS_9X        1
458 #define EP_EXT_REGS_BX        2
459 #define EP_EXT_REGS_DX        3
460 
461 #ifndef __ASSEMBLER__
462 
463 /* EP0 to EP15 Enumeration */
464 enum usb_dc_endpoints {
465 	EP0,
466 	EP1,
467 	EP2,
468 	EP3,
469 	EP4,
470 	EP5,
471 	EP6,
472 	EP7,
473 	EP8,
474 	EP9,
475 	EP10,
476 	EP11,
477 	EP12,
478 	EP13,
479 	EP14,
480 	EP15
481 };
482 
483 struct it82xx2_usb_ep_regs {
484 	volatile uint8_t ep_ctrl;
485 	volatile uint8_t ep_status;
486 	volatile uint8_t ep_transtype_sts;
487 	volatile uint8_t ep_nak_transtype_sts;
488 };
489 
490 /* Reserved EP Extended Registers */
491 struct ep_ext_regs_7x {
492 	/* 0x75 Reserved */
493 	volatile uint8_t ep_ext_ctrl_75;
494 	/* 0x76 Reserved */
495 	volatile uint8_t ep_ext_ctrl_76;
496 	/* 0x77 Reserved */
497 	volatile uint8_t ep_ext_ctrl_77;
498 	/* 0x78 Reserved */
499 	volatile uint8_t ep_ext_ctrl_78;
500 	/* 0x79 Reserved */
501 	volatile uint8_t ep_ext_ctrl_79;
502 	/* 0x7A Reserved */
503 	volatile uint8_t ep_ext_ctrl_7a;
504 	/* 0x7B Reserved */
505 	volatile uint8_t ep_ext_ctrl_7b;
506 	/* 0x7C Reserved */
507 	volatile uint8_t ep_ext_ctrl_7c;
508 	/* 0x7D Reserved */
509 	volatile uint8_t ep_ext_ctrl_7d;
510 	/* 0x7E Reserved */
511 	volatile uint8_t ep_ext_ctrl_7e;
512 	/* 0x7F Reserved */
513 	volatile uint8_t ep_ext_ctrl_7f;
514 };
515 
516 /* From 98h to 9Dh, the EP45/67/89/1011/1213/1415 Extended Control Registers
517  * are defined, and their bits definitions are as follows:
518  *
519  * Bit    Description
520  *  7     Reserved
521  *  6     EPPOINT5_ISO_ENABLE
522  *  5     EPPOINT5_SEND_STALL
523  *  4     EPPOINT5_OUT_DATA_SEQUENCE
524  *  3     Reserved
525  *  2     EPPOINT4_ISO_ENABLE
526  *  1     EPPOINT4_SEND_STALL
527  *  0     EPPOINT4_OUT_DATA_SEQUENCE
528  *
529  * Apparently, we can tell that the EP4 and EP5 share the same register, and
530  * the EP6 and EP7 share the same one, and the rest EPs are defined in the
531  * same way.
532  */
533 struct ep_ext_regs_9x {
534 	/* 0x95 Reserved */
535 	volatile uint8_t ep_ext_ctrl_95;
536 	/* 0x96 Reserved */
537 	volatile uint8_t ep_ext_ctrl_96;
538 	/* 0x97 Reserved */
539 	volatile uint8_t ep_ext_ctrl_97;
540 	/* 0x98 ~ 0x9D EP45/67/89/1011/1213/1415 Extended Control Registers */
541 	volatile uint8_t epn0n1_ext_ctrl[6];
542 	/* 0x9E Reserved */
543 	volatile uint8_t ep_ext_ctrl_9e;
544 	/* 0x9F Reserved */
545 	volatile uint8_t ep_ext_ctrl_9f;
546 };
547 
548 /* From BXh to BDh are EP FIFO 1-3 Control 0/1 Registers, and their
549  * definitions as as follows:
550  * B8h: EP_FIFO1_CONTROL0_REG
551  * B9h: EP_FIFO1_CONTROL1_REG
552  * BAh: EP_FIFO2_CONTROL0_REG
553  * BBh: EP_FIFO2_CONTROL1_REG
554  * BCh: EP_FIFO3_CONTROL0_REG
555  * BDh: EP_FIFO3_CONTROL1_REG
556  *
557  * For each one, its bits definitions are as follows:
558  * (take EP_FIFO1_CONTROL1_REG as example, which controls from EP8 to EP15)
559  *
560  * Bit  Description
561  *
562  *  7   EP15 select FIFO1 as data buffer
563  *  6   EP14 select FIFO1 as data buffer
564  *  5   EP13 select FIFO1 as data buffer
565  *  4   EP12 select FIFO1 as data buffer
566  *  3   EP11 select FIFO1 as data buffer
567  *  2   EP10 select FIFO1 as data buffer
568  *  1   EP9 select FIFO1 as data buffer
569  *  0   EP8 select FIFO1 as data buffer
570  *
571  *  1: Select
572  *  0: Not select
573  */
574 struct ep_ext_regs_bx {
575 	/* 0xB5 Reserved */
576 	volatile uint8_t ep_ext_ctrl_b5;
577 	/* 0xB6 Reserved */
578 	volatile uint8_t ep_ext_ctrl_b6;
579 	/* 0xB7 Reserved */
580 	volatile uint8_t ep_ext_ctrl_b7;
581 	/* 0xB8 ~ 0xBD EP FIFO 1-3 Control 0/1 Registers */
582 	volatile uint8_t ep_fifo_ctrl[6];
583 	/* 0xBE Reserved */
584 	volatile uint8_t ep_ext_ctrl_be;
585 	/* 0xBF Reserved */
586 	volatile uint8_t ep_ext_ctrl_bf;
587 };
588 
589 
590 /* From D6h to DDh are EP Extended Control Registers, and their
591  * definitions as as follows:
592  * D6h: EP0_EXT_CTRL1
593  * D7h: EP0_EXT_CTRL2
594  * D8h: EP1_EXT_CTRL1
595  * D9h: EP1_EXT_CTRL2
596  * DAh: EP2_EXT_CTRL1
597  * DBh: EP2_EXT_CTRL2
598  * DCh: EP3_EXT_CTRL1
599  * DDh: EP3_EXT_CTRL2
600  *
601  * We classify them into 4 groups which each of them contains Control 1 and 2
602  * according to the EP number as follows:
603  */
604 struct epn_ext_ctrl_regs {
605 	/* 0xD6/0xD8/0xDA/0xDC EPN Extended Control1 Register */
606 	volatile uint8_t epn_ext_ctrl1;
607 	/* 0xD7/0xD9/0xDB/0xDD EPB Extended Control2 Register */
608 	volatile uint8_t epn_ext_ctrl2;
609 };
610 
611 struct ep_ext_regs_dx {
612 	/* 0xD5 Reserved */
613 	volatile uint8_t ep_ext_ctrl_d5;
614 	/* 0xD6 ~ 0xDD EPN Extended Control 1/2 Registers */
615 	struct epn_ext_ctrl_regs epn_ext_ctrl[4];
616 	/* 0xDE Reserved */
617 	volatile uint8_t ep_ext_ctrl_de;
618 	/* 0xDF Reserved */
619 	volatile uint8_t ep_ext_ctrl_df;
620 };
621 
622 
623 /* The USB EPx FIFO Registers Definitions
624  * EP0: 60h ~ 74h
625  * EP1: 80h ~ 94h
626  * EP2: A0h ~ B4h
627  * EP3: C0h ~ D4h (D6h to DDh will be defined as marcos for usage)
628  */
629 struct it82xx2_usb_ep_fifo_regs {
630 	/* 0x60 + ep * 0x20 : EP RX FIFO Data Register  */
631 	volatile uint8_t ep_rx_fifo_data;
632 	/* 0x61 + ep * 0x20 : EP RX FIFO DMA Count Register */
633 	volatile uint8_t ep_rx_fifo_dma_count;
634 	/* 0x62 + ep * 0x20 : EP RX FIFO Data Count MSB */
635 	volatile uint8_t ep_rx_fifo_dcnt_msb;
636 	/* 0x63 + ep * 0x20 : EP RX FIFO Data Count LSB */
637 	volatile uint8_t ep_rx_fifo_dcnt_lsb;
638 	/* 0x64 + ep * 0x20  : EP RX FIFO Control Register */
639 	volatile uint8_t ep_rx_fifo_ctrl;
640 	/* (0x65 ~ 0x6F) + ep * 0x20 */
641 	volatile uint8_t reserved_65_6f_add_20[11];
642 	/* 0x70 + ep * 0x20 : EP TX FIFO Data Register  */
643 	volatile uint8_t ep_tx_fifo_data;
644 	/* (0x71 ~ 0x73) + ep * 0x20 */
645 	volatile uint8_t reserved_71_73_add_20[3];
646 	/* 0x74 + ep * 0x20 : EP TX FIFO Control Register */
647 	volatile uint8_t ep_tx_fifo_ctrl;
648 	/* (0x75 ~ 0x7F) + ep * 0x20 */
649 	union {
650 		struct ep_ext_regs_7x ep_res;
651 		struct ep_ext_regs_9x ext_4_15;
652 		struct ep_ext_regs_bx fifo_ctrl;
653 		struct ep_ext_regs_dx ext_0_3;
654 	};
655 
656 };
657 
658 struct usb_it82xx2_regs {
659 	/* 0x00:  Host TX Contrl Register */
660 	volatile uint8_t host_tx_ctrl;
661 	/* 0x01:  Host TX Transaction Type Register */
662 	volatile uint8_t host_tx_trans_type;
663 	/* 0x02:  Host TX Line Control Register */
664 	volatile uint8_t host_tx_line_ctrl;
665 	/* 0x03:  Host TX SOF Enable Register */
666 	volatile uint8_t host_tx_sof_enable;
667 	/* 0x04:  Host TX Address Register */
668 	volatile uint8_t host_tx_addr;
669 	/* 0x05:  Host TX EP Number Register */
670 	volatile uint8_t host_tx_endp;
671 	/* 0x06:  Host Frame Number MSP Register */
672 	volatile uint8_t host_frame_num_msp;
673 	/* 0x07:  Host Frame Number LSP Register */
674 	volatile uint8_t host_frame_num_lsp;
675 	/* 0x08:  Host Interrupt Status Register */
676 	volatile uint8_t host_interrupt_status;
677 	/* 0x09:  Host Interrupt Mask Register */
678 	volatile uint8_t host_interrupt_mask;
679 	/* 0x0A:  Host RX Status Register */
680 	volatile uint8_t host_rx_status;
681 	/* 0x0B:  Host RX PID Register */
682 	volatile uint8_t host_rx_pid;
683 	/* 0x0C:  MISC Control Register */
684 	volatile uint8_t misc_control;
685 	/* 0x0D:  MISC Status Register */
686 	volatile uint8_t misc_status;
687 	/* 0x0E:  Host RX Connect State Register */
688 	volatile uint8_t host_rx_connect_state;
689 	/* 0x0F:  Host SOF Timer MSB Register */
690 	volatile uint8_t host_sof_timer_msb;
691 	/* 0x10 ~ 0x1F:  Reserved Registers 10h - 1Fh */
692 	volatile uint8_t reserved_10_1f[16];
693 	/* 0x20:  Host RX FIFO Data Port Register */
694 	volatile uint8_t host_rx_fifo_data;
695 	/* 0x21:  Host RX FIFO DMA Input Data Count Register */
696 	volatile uint8_t host_rx_fifo_dma_data_count;
697 	/* 0x22:  Host TX FIFO Data Count MSB Register */
698 	volatile uint8_t host_rx_fifo_data_count_msb;
699 	/* 0x23:  Host TX FIFO Data Count LSB Register */
700 	volatile uint8_t host_rx_fifo_data_count_lsb;
701 	/* 0x24:  Host RX FIFO Data Port Register */
702 	volatile uint8_t host_rx_fifo_control;
703 	/* 0x25 ~ 0x2F:  Reserved Registers 25h - 2Fh */
704 	volatile uint8_t reserved_25_2f[11];
705 	/* 0x30:  Host TX FIFO Data Port Register */
706 	volatile uint8_t host_tx_fifo_data;
707 	/* 0x31 ~ 0x3F:  Reserved Registers 31h - 3Fh */
708 	volatile uint8_t reserved_31_3f[15];
709 	/* 0x40 ~ 0x4F: Endpoint Registers 40h - 4Fh */
710 	struct it82xx2_usb_ep_regs usb_ep_regs[4];
711 	/* 0x50:  Device Controller Control Register */
712 	volatile uint8_t dc_control;
713 	/* 0x51:  Device Controller LINE Status Register */
714 	volatile uint8_t dc_line_status;
715 	/* 0x52:  Device Controller Interrupt Status Register */
716 	volatile uint8_t dc_interrupt_status;
717 	/* 0x53:  Device Controller Interrupt Mask Register */
718 	volatile uint8_t dc_interrupt_mask;
719 	/* 0x54:  Device Controller Address Register */
720 	volatile uint8_t dc_address;
721 	/* 0x55:  Device Controller Frame Number MSP Register */
722 	volatile uint8_t dc_frame_num_msp;
723 	/* 0x56:  Device Controller Frame Number LSP Register */
724 	volatile uint8_t dc_frame_num_lsp;
725 	/* 0x57 ~ 0x5F:  Reserved Registers 57h - 5Fh */
726 	volatile uint8_t reserved_57_5f[9];
727 	/* 0x60 ~ 0xDF: EP FIFO Registers 60h - DFh */
728 	struct it82xx2_usb_ep_fifo_regs fifo_regs[4];
729 	/* 0xE0:  Host/Device Control Register */
730 	volatile uint8_t host_device_control;
731 	/* 0xE1 ~ 0xE3:  Reserved Registers E1h - E3h */
732 	volatile uint8_t reserved_e1_e3[3];
733 	/* 0xE4:  Port0 MISC Control Register */
734 	volatile uint8_t port0_misc_control;
735 	/* 0xE5 ~ 0xE7:  Reserved Registers E5h - E7h */
736 	volatile uint8_t reserved_e5_e7[3];
737 	/* 0xE8:  Port1 MISC Control Register */
738 	volatile uint8_t port1_misc_control;
739 };
740 #endif /* #ifndef __ASSEMBLER__ */
741 
742 /**
743  *
744  * (37xxh, 38xxh) USBPD Controller
745  *
746  */
747 #ifndef __ASSEMBLER__
748 struct usbpd_it8xxx2_regs {
749 	/* 0x000~0x003: Reserved1 */
750 	volatile uint8_t Reserved1[4];
751 	/* 0x004: CC General Configuration */
752 	volatile uint8_t CCGCR;
753 	/* 0x005: CC Channel Setting */
754 	volatile uint8_t CCCSR;
755 	/* 0x006: CC Pad Setting */
756 	volatile uint8_t CCPSR;
757 };
758 #endif /* !__ASSEMBLER__ */
759 
760 /* USBPD controller register fields */
761 /* 0x004: CC General Configuration */
762 #define IT8XXX2_USBPD_DISABLE_CC			BIT(7)
763 #define IT8XXX2_USBPD_DISABLE_CC_VOL_DETECTOR		BIT(6)
764 #define IT8XXX2_USBPD_CC_SELECT_RP_RESERVED		(BIT(3) | BIT(2) | BIT(1))
765 #define IT8XXX2_USBPD_CC_SELECT_RP_DEF			(BIT(3) | BIT(2))
766 #define IT8XXX2_USBPD_CC_SELECT_RP_1A5			BIT(3)
767 #define IT8XXX2_USBPD_CC_SELECT_RP_3A0			BIT(2)
768 #define IT8XXX2_USBPD_CC1_CC2_SELECTION			BIT(0)
769 /* 0x005: CC Channel Setting */
770 #define IT8XXX2_USBPD_CC2_DISCONNECT			BIT(7)
771 #define IT8XXX2_USBPD_CC2_DISCONNECT_5_1K_TO_GND	BIT(6)
772 #define IT8XXX2_USBPD_CC1_DISCONNECT			BIT(3)
773 #define IT8XXX2_USBPD_CC1_DISCONNECT_5_1K_TO_GND	BIT(2)
774 #define IT8XXX2_USBPD_CC1_CC2_RP_RD_SELECT		(BIT(1) | BIT(5))
775 /* 0x006: CC Pad Setting */
776 #define IT8XXX2_USBPD_DISCONNECT_5_1K_CC2_DB		BIT(6)
777 #define IT8XXX2_USBPD_DISCONNECT_POWER_CC2		BIT(5)
778 #define IT8XXX2_USBPD_DISCONNECT_5_1K_CC1_DB		BIT(2)
779 #define IT8XXX2_USBPD_DISCONNECT_POWER_CC1		BIT(1)
780 
781 
782 /**
783  *
784  * (10xxh) Shared Memory Flash Interface Bridge (SMFI) registers
785  *
786  */
787 #ifndef __ASSEMBLER__
788 struct smfi_it8xxx2_regs {
789 	volatile uint8_t reserved1[59];
790 	/* 0x3B: EC-Indirect memory address 0 */
791 	volatile uint8_t SMFI_ECINDAR0;
792 	/* 0x3C: EC-Indirect memory address 1 */
793 	volatile uint8_t SMFI_ECINDAR1;
794 	/* 0x3D: EC-Indirect memory address 2 */
795 	volatile uint8_t SMFI_ECINDAR2;
796 	/* 0x3E: EC-Indirect memory address 3 */
797 	volatile uint8_t SMFI_ECINDAR3;
798 	/* 0x3F: EC-Indirect memory data */
799 	volatile uint8_t SMFI_ECINDDR;
800 	/* 0x40: Scratch SRAM 0 address low byte */
801 	volatile uint8_t SMFI_SCAR0L;
802 	/* 0x41: Scratch SRAM 0 address middle byte */
803 	volatile uint8_t SMFI_SCAR0M;
804 	/* 0x42: Scratch SRAM 0 address high byte */
805 	volatile uint8_t SMFI_SCAR0H;
806 	volatile uint8_t reserved1_1[23];
807 	/* 0x5A: Host RAM Window Control */
808 	volatile uint8_t SMFI_HRAMWC;
809 	/* 0x5B: Host RAM Window 0 Base Address [11:4] */
810 	volatile uint8_t SMFI_HRAMW0BA;
811 	/* 0x5C: Host RAM Window 1 Base Address [11:4] */
812 	volatile uint8_t SMFI_HRAMW1BA;
813 	/* 0x5D: Host RAM Window 0 Access Allow Size */
814 	volatile uint8_t SMFI_HRAMW0AAS;
815 	/* 0x5E: Host RAM Window 1 Access Allow Size */
816 	volatile uint8_t SMFI_HRAMW1AAS;
817 	volatile uint8_t reserved2[67];
818 	/* 0xA2: Flash control 6 */
819 	volatile uint8_t SMFI_FLHCTRL6R;
820 	volatile uint8_t reserved3[46];
821 };
822 #endif /* !__ASSEMBLER__ */
823 
824 /* SMFI register fields */
825 /* EC-Indirect read internal flash */
826 #define EC_INDIRECT_READ_INTERNAL_FLASH BIT(6)
827 /* Enable EC-indirect page program command */
828 #define IT8XXX2_SMFI_MASK_ECINDPP BIT(3)
829 /* Scratch SRAM 0 address(BIT(19)) */
830 #define IT8XXX2_SMFI_SC0A19 BIT(7)
831 /* Scratch SRAM enable */
832 #define IT8XXX2_SMFI_SCAR0H_ENABLE BIT(3)
833 
834 /* H2RAM Path Select. 1b: H2RAM through LPC IO cycle. */
835 #define SMFI_H2RAMPS           BIT(4)
836 /* H2RAM Window 1 Enable */
837 #define SMFI_H2RAMW1E          BIT(1)
838 /* H2RAM Window 0 Enable */
839 #define SMFI_H2RAMW0E          BIT(0)
840 
841 /* Host RAM Window x Write Protect Enable (All protected) */
842 #define SMFI_HRAMWXWPE_ALL     (BIT(5) | BIT(4))
843 
844 
845 /**
846  *
847  * (16xxh) General Purpose I/O Port (GPIO) registers
848  *
849  */
850 #define GPIO_IT8XXX2_REG_BASE \
851 	((struct gpio_it8xxx2_regs *)DT_REG_ADDR(DT_NODELABEL(gpiogcr)))
852 
853 #ifndef __ASSEMBLER__
854 #ifdef CONFIG_SOC_IT8XXX2_REG_SET_V1
855 struct gpio_it8xxx2_regs {
856 	/* 0x00: General Control */
857 	volatile uint8_t GPIO_GCR;
858 	/* 0x01-D0: Reserved1 */
859 	volatile uint8_t reserved1[208];
860 	/* 0xD1: General Control 25 */
861 	volatile uint8_t GPIO_GCR25;
862 	/* 0xD2: General Control 26 */
863 	volatile uint8_t GPIO_GCR26;
864 	/* 0xD3: General Control 27 */
865 	volatile uint8_t GPIO_GCR27;
866 	/* 0xD4: General Control 28 */
867 	volatile uint8_t GPIO_GCR28;
868 	/* 0xD5: General Control 31 */
869 	volatile uint8_t GPIO_GCR31;
870 	/* 0xD6: General Control 32 */
871 	volatile uint8_t GPIO_GCR32;
872 	/* 0xD7: General Control 33 */
873 	volatile uint8_t GPIO_GCR33;
874 	/* 0xD8-0xDF: Reserved2 */
875 	volatile uint8_t reserved2[8];
876 	/* 0xE0: General Control 16 */
877 	volatile uint8_t GPIO_GCR16;
878 	/* 0xE1: General Control 17 */
879 	volatile uint8_t GPIO_GCR17;
880 	/* 0xE2: General Control 18 */
881 	volatile uint8_t GPIO_GCR18;
882 	/* 0xE3: Reserved3 */
883 	volatile uint8_t reserved3;
884 	/* 0xE4: General Control 19 */
885 	volatile uint8_t GPIO_GCR19;
886 	/* 0xE5: General Control 20 */
887 	volatile uint8_t GPIO_GCR20;
888 	/* 0xE6: General Control 21 */
889 	volatile uint8_t GPIO_GCR21;
890 	/* 0xE7: General Control 22 */
891 	volatile uint8_t GPIO_GCR22;
892 	/* 0xE8: General Control 23 */
893 	volatile uint8_t GPIO_GCR23;
894 	/* 0xE9: General Control 24 */
895 	volatile uint8_t GPIO_GCR24;
896 	/* 0xEA-0xEC: Reserved4 */
897 	volatile uint8_t reserved4[3];
898 	/* 0xED: General Control 30 */
899 	volatile uint8_t GPIO_GCR30;
900 	/* 0xEE: General Control 29 */
901 	volatile uint8_t GPIO_GCR29;
902 	/* 0xEF: Reserved5 */
903 	volatile uint8_t reserved5;
904 	/* 0xF0: General Control 1 */
905 	volatile uint8_t GPIO_GCR1;
906 	/* 0xF1: General Control 2 */
907 	volatile uint8_t GPIO_GCR2;
908 	/* 0xF2: General Control 3 */
909 	volatile uint8_t GPIO_GCR3;
910 	/* 0xF3: General Control 4 */
911 	volatile uint8_t GPIO_GCR4;
912 	/* 0xF4: General Control 5 */
913 	volatile uint8_t GPIO_GCR5;
914 	/* 0xF5: General Control 6 */
915 	volatile uint8_t GPIO_GCR6;
916 	/* 0xF6: General Control 7 */
917 	volatile uint8_t GPIO_GCR7;
918 	/* 0xF7: General Control 8 */
919 	volatile uint8_t GPIO_GCR8;
920 	/* 0xF8: General Control 9 */
921 	volatile uint8_t GPIO_GCR9;
922 	/* 0xF9: General Control 10 */
923 	volatile uint8_t GPIO_GCR10;
924 	/* 0xFA: General Control 11 */
925 	volatile uint8_t GPIO_GCR11;
926 	/* 0xFB: General Control 12 */
927 	volatile uint8_t GPIO_GCR12;
928 	/* 0xFC: General Control 13 */
929 	volatile uint8_t GPIO_GCR13;
930 	/* 0xFD: General Control 14 */
931 	volatile uint8_t GPIO_GCR14;
932 	/* 0xFE: General Control 15 */
933 	volatile uint8_t GPIO_GCR15;
934 	/* 0xFF: Power Good Watch Control */
935 	volatile uint8_t GPIO_PGWCR;
936 };
937 #elif CONFIG_SOC_IT8XXX2_REG_SET_V2
938 struct gpio_it8xxx2_regs {
939 	/* 0x00: General Control */
940 	volatile uint8_t GPIO_GCR;
941 	/* 0x01-0x0F: Reserved1 */
942 	volatile uint8_t reserved1[15];
943 	/* 0x10: General Control 1 */
944 	volatile uint8_t GPIO_GCR1;
945 	/* 0x11: General Control 2 */
946 	volatile uint8_t GPIO_GCR2;
947 	/* 0x12: General Control 3 */
948 	volatile uint8_t GPIO_GCR3;
949 	/* 0x13: General Control 4 */
950 	volatile uint8_t GPIO_GCR4;
951 	/* 0x14: General Control 5 */
952 	volatile uint8_t GPIO_GCR5;
953 	/* 0x15: General Control 6 */
954 	volatile uint8_t GPIO_GCR6;
955 	/* 0x16: General Control 7 */
956 	volatile uint8_t GPIO_GCR7;
957 	/* 0x17: General Control 8 */
958 	volatile uint8_t GPIO_GCR8;
959 	/* 0x18: General Control 9 */
960 	volatile uint8_t GPIO_GCR9;
961 	/* 0x19: General Control 10 */
962 	volatile uint8_t GPIO_GCR10;
963 	/* 0x1A: General Control 11 */
964 	volatile uint8_t GPIO_GCR11;
965 	/* 0x1B: General Control 12 */
966 	volatile uint8_t GPIO_GCR12;
967 	/* 0x1C: General Control 13 */
968 	volatile uint8_t GPIO_GCR13;
969 	/* 0x1D: General Control 14 */
970 	volatile uint8_t GPIO_GCR14;
971 	/* 0x1E: General Control 15 */
972 	volatile uint8_t GPIO_GCR15;
973 	/* 0x1F: Power Good Watch Control */
974 	volatile uint8_t GPIO_PGWCR;
975 	/* 0x20: General Control 16 */
976 	volatile uint8_t GPIO_GCR16;
977 	/* 0x21: General Control 17 */
978 	volatile uint8_t GPIO_GCR17;
979 	/* 0x22: General Control 18 */
980 	volatile uint8_t GPIO_GCR18;
981 	/* 0x23: Reserved2 */
982 	volatile uint8_t reserved2;
983 	/* 0x24: General Control 19 */
984 	volatile uint8_t GPIO_GCR19;
985 	/* 0x25: Reserved3 */
986 	volatile uint8_t reserved3;
987 	/* 0x26: General Control 21 */
988 	volatile uint8_t GPIO_GCR21;
989 	/* 0x27-0x28: Reserved4 */
990 	volatile uint8_t reserved4[2];
991 	/* 0x29: General Control 24 */
992 	volatile uint8_t GPIO_GCR24;
993 	/* 0x2A-0x2C: Reserved5 */
994 	volatile uint8_t reserved5[3];
995 	/* 0x2D: General Control 30 */
996 	volatile uint8_t GPIO_GCR30;
997 	/* 0x2E: General Control 29 */
998 	volatile uint8_t GPIO_GCR29;
999 };
1000 
1001 /* GPIO register fields */
1002 /* 0x16: General Control 7 */
1003 #define IT8XXX2_GPIO_SMB2PS                BIT(7)
1004 #define IT8XXX2_GPIO_SMB3PS                BIT(6)
1005 #define IT8XXX2_GPIO_SMB5PS                BIT(5)
1006 
1007 #endif
1008 #endif /* !__ASSEMBLER__ */
1009 
1010 /* GPIO register fields */
1011 /* 0x00: General Control */
1012 #define IT8XXX2_GPIO_LPCRSTEN              (BIT(2) | BIT(1))
1013 #define IT8XXX2_GPIO_GCR_ESPI_RST_D2       0x2
1014 #define IT8XXX2_GPIO_GCR_ESPI_RST_POS      1
1015 #define IT8XXX2_GPIO_GCR_ESPI_RST_EN_MASK  (0x3 << IT8XXX2_GPIO_GCR_ESPI_RST_POS)
1016 /* 0xF0: General Control 1 */
1017 #define IT8XXX2_GPIO_U2CTRL_SIN1_SOUT1_EN  BIT(2)
1018 #define IT8XXX2_GPIO_U1CTRL_SIN0_SOUT0_EN  BIT(0)
1019 /* 0xE6: General Control 21 */
1020 #define IT8XXX2_GPIO_GPH1VS                BIT(1)
1021 #define IT8XXX2_GPIO_GPH2VS                BIT(0)
1022 
1023 #define GPCR_PORT_PIN_MODE_INPUT    BIT(7)
1024 #define GPCR_PORT_PIN_MODE_OUTPUT   BIT(6)
1025 #define GPCR_PORT_PIN_MODE_PULLUP   BIT(2)
1026 #define GPCR_PORT_PIN_MODE_PULLDOWN BIT(1)
1027 
1028 /*
1029  * If both PULLUP and PULLDOWN are set to 1b, the corresponding port would be
1030  * configured as tri-state.
1031  */
1032 #define GPCR_PORT_PIN_MODE_TRISTATE	(GPCR_PORT_PIN_MODE_INPUT |  \
1033 					 GPCR_PORT_PIN_MODE_PULLUP | \
1034 					 GPCR_PORT_PIN_MODE_PULLDOWN)
1035 
1036 /* --- GPIO --- */
1037 #define IT8XXX2_GPIO_BASE  0x00F01600
1038 #define IT8XXX2_GPIO2_BASE 0x00F03E00
1039 
1040 #define IT8XXX2_GPIO_GCRX(offset) ECREG(IT8XXX2_GPIO_BASE + (offset))
1041 #define IT8XXX2_GPIO_GCR25_OFFSET 0xd1
1042 #define IT8XXX2_GPIO_GCR26_OFFSET 0xd2
1043 #define IT8XXX2_GPIO_GCR27_OFFSET 0xd3
1044 #define IT8XXX2_GPIO_GCR28_OFFSET 0xd4
1045 #define IT8XXX2_GPIO_GCR31_OFFSET 0xd5
1046 #define IT8XXX2_GPIO_GCR32_OFFSET 0xd6
1047 #define IT8XXX2_GPIO_GCR33_OFFSET 0xd7
1048 #define IT8XXX2_GPIO_GCR19_OFFSET 0xe4
1049 #define IT8XXX2_GPIO_GCR20_OFFSET 0xe5
1050 #define IT8XXX2_GPIO_GCR21_OFFSET 0xe6
1051 #define IT8XXX2_GPIO_GCR22_OFFSET 0xe7
1052 #define IT8XXX2_GPIO_GCR23_OFFSET 0xe8
1053 #define IT8XXX2_GPIO_GCR24_OFFSET 0xe9
1054 #define IT8XXX2_GPIO_GCR30_OFFSET 0xed
1055 #define IT8XXX2_GPIO_GCR29_OFFSET 0xee
1056 
1057 /*
1058  * TODO: use pinctrl node instead of following register declarations
1059  *       to fix in tcpm\it83xx_pd.h.
1060  */
1061 #define IT8XXX2_GPIO_GPCRP0     ECREG(IT8XXX2_GPIO2_BASE + 0x18)
1062 #define IT8XXX2_GPIO_GPCRP1     ECREG(IT8XXX2_GPIO2_BASE + 0x19)
1063 
1064 
1065 /**
1066  *
1067  * (19xxh) Analog to Digital Converter (ADC) registers
1068  *
1069  */
1070 #ifndef __ASSEMBLER__
1071 
1072 /* Data structure to define ADC channel 13-16 control registers. */
1073 struct adc_vchs_ctrl_t {
1074 	/* 0x60: Voltage Channel Control */
1075 	volatile uint8_t VCHCTL;
1076 	/* 0x61: Voltage Channel Data Buffer MSB */
1077 	volatile uint8_t VCHDATM;
1078 	/* 0x62: Voltage Channel Data Buffer LSB */
1079 	volatile uint8_t VCHDATL;
1080 };
1081 
1082 struct adc_it8xxx2_regs {
1083 	/* 0x00: ADC Status */
1084 	volatile uint8_t ADCSTS;
1085 	/* 0x01: ADC Configuration */
1086 	volatile uint8_t ADCCFG;
1087 	/* 0x02: ADC Clock Control */
1088 	volatile uint8_t ADCCTL;
1089 	/* 0x03: General Control */
1090 	volatile uint8_t ADCGCR;
1091 	/* 0x04: Voltage Channel 0 Control */
1092 	volatile uint8_t VCH0CTL;
1093 	/* 0x05: Calibration Data Control */
1094 	volatile uint8_t KDCTL;
1095 	/* 0x06-0x17: Reserved1 */
1096 	volatile uint8_t reserved1[18];
1097 	/* 0x18: Voltage Channel 0 Data Buffer LSB */
1098 	volatile uint8_t VCH0DATL;
1099 	/* 0x19: Voltage Channel 0 Data Buffer MSB */
1100 	volatile uint8_t VCH0DATM;
1101 	/* 0x1a-0x43: Reserved2 */
1102 	volatile uint8_t reserved2[42];
1103 	/* 0x44: ADC Data Valid Status */
1104 	volatile uint8_t ADCDVSTS;
1105 	/* 0x45-0x54: Reserved2-1 */
1106 	volatile uint8_t reserved2_1[16];
1107 	/* 0x55: ADC Input Voltage Mapping Full-Scale Code Selection 1 */
1108 	volatile uint8_t ADCIVMFSCS1;
1109 	/* 0x56: ADC Input Voltage Mapping Full-Scale Code Selection 2 */
1110 	volatile uint8_t ADCIVMFSCS2;
1111 	/* 0x57: ADC Input Voltage Mapping Full-Scale Code Selection 3 */
1112 	volatile uint8_t ADCIVMFSCS3;
1113 	/* 0x58-0x5f: Reserved3 */
1114 	volatile uint8_t reserved3[8];
1115 	/* 0x60-0x6b: ADC channel 13~16 controller */
1116 	struct adc_vchs_ctrl_t adc_vchs_ctrl[4];
1117 	/* 0x6c: ADC Data Valid Status 2 */
1118 	volatile uint8_t ADCDVSTS2;
1119 };
1120 #endif /* !__ASSEMBLER__ */
1121 
1122 /* ADC conversion time select 1 */
1123 #define IT8XXX2_ADC_ADCCTS1			BIT(7)
1124 /* Analog accuracy initialization */
1125 #define IT8XXX2_ADC_AINITB			BIT(3)
1126 /* ADC conversion time select 0 */
1127 #define IT8XXX2_ADC_ADCCTS0			BIT(5)
1128 /* ADC module enable */
1129 #define IT8XXX2_ADC_ADCEN			BIT(0)
1130 /* ADC data buffer keep enable */
1131 #define IT8XXX2_ADC_DBKEN			BIT(7)
1132 /* W/C data valid flag */
1133 #define IT8XXX2_ADC_DATVAL			BIT(7)
1134 /* Data valid interrupt of adc */
1135 #define IT8XXX2_ADC_INTDVEN			BIT(5)
1136 /* Voltage channel enable (Channel 4~7 and 13~16) */
1137 #define IT8XXX2_ADC_VCHEN			BIT(4)
1138 /* Automatic hardware calibration enable */
1139 #define IT8XXX2_ADC_AHCE			BIT(7)
1140 /* 0x046, 0x049, 0x04c, 0x06e, 0x071, 0x074: Voltage comparator x control */
1141 #define IT8XXX2_VCMP_CMPEN			BIT(7)
1142 #define IT8XXX2_VCMP_CMPINTEN			BIT(6)
1143 #define IT8XXX2_VCMP_GREATER_THRESHOLD		BIT(5)
1144 #define IT8XXX2_VCMP_EDGE_TRIGGER		BIT(4)
1145 #define IT8XXX2_VCMP_GPIO_ACTIVE_LOW		BIT(3)
1146 /* 0x077~0x07c: Voltage comparator x channel select MSB */
1147 #define IT8XXX2_VCMP_VCMPXCSELM			BIT(0)
1148 
1149 /**
1150  *
1151  * (1Exxh) Clock and Power Management (ECPM) registers
1152  *
1153  */
1154 #define IT8XXX2_ECPM_BASE  0x00F01E00
1155 
1156 #ifndef __ASSEMBLER__
1157 enum chip_pll_mode {
1158 	CHIP_PLL_DOZE = 0,
1159 	CHIP_PLL_SLEEP = 1,
1160 	CHIP_PLL_DEEP_DOZE = 3,
1161 };
1162 #endif
1163 /*
1164  * TODO: use ecpm_it8xxx2_regs instead of following register declarations
1165  *       to fix in soc.c.
1166  */
1167 #define IT8XXX2_ECPM_PLLCTRL    ECREG(IT8XXX2_ECPM_BASE + 0x03)
1168 #define IT8XXX2_ECPM_AUTOCG     ECREG(IT8XXX2_ECPM_BASE + 0x04)
1169 #define IT8XXX2_ECPM_CGCTRL3R   ECREG(IT8XXX2_ECPM_BASE + 0x05)
1170 #define IT8XXX2_ECPM_PLLFREQR   ECREG(IT8XXX2_ECPM_BASE + 0x06)
1171 #define IT8XXX2_ECPM_PLLCSS     ECREG(IT8XXX2_ECPM_BASE + 0x08)
1172 #define IT8XXX2_ECPM_SCDCR0     ECREG(IT8XXX2_ECPM_BASE + 0x0c)
1173 #define IT8XXX2_ECPM_SCDCR1     ECREG(IT8XXX2_ECPM_BASE + 0x0d)
1174 #define IT8XXX2_ECPM_SCDCR2     ECREG(IT8XXX2_ECPM_BASE + 0x0e)
1175 #define IT8XXX2_ECPM_SCDCR3     ECREG(IT8XXX2_ECPM_BASE + 0x0f)
1176 #define IT8XXX2_ECPM_SCDCR4     ECREG(IT8XXX2_ECPM_BASE + 0x10)
1177 
1178 /*
1179  * The count number of the counter for 25 ms register.
1180  * The 25 ms register is calculated by (count number *1.024 kHz).
1181  */
1182 
1183 #define I2C_CLK_LOW_TIMEOUT		255 /* ~=249 ms */
1184 
1185 /**
1186  *
1187  * (1Cxxh) SMBus Interface (SMB) registers
1188  *
1189  */
1190 #define IT8XXX2_SMB_BASE            0x00F01C00
1191 #ifdef CONFIG_SOC_IT8XXX2_REG_SET_V1
1192 #define IT8XXX2_SMB_4P7USL          ECREG(IT8XXX2_SMB_BASE + 0x00)
1193 #define IT8XXX2_SMB_4P0USL          ECREG(IT8XXX2_SMB_BASE + 0x01)
1194 #define IT8XXX2_SMB_300NS           ECREG(IT8XXX2_SMB_BASE + 0x02)
1195 #define IT8XXX2_SMB_250NS           ECREG(IT8XXX2_SMB_BASE + 0x03)
1196 #define IT8XXX2_SMB_25MS            ECREG(IT8XXX2_SMB_BASE + 0x04)
1197 #define IT8XXX2_SMB_45P3USL         ECREG(IT8XXX2_SMB_BASE + 0x05)
1198 #define IT8XXX2_SMB_45P3USH         ECREG(IT8XXX2_SMB_BASE + 0x06)
1199 #define IT8XXX2_SMB_4P7A4P0H        ECREG(IT8XXX2_SMB_BASE + 0x07)
1200 #define IT8XXX2_SMB_SLVISELR        ECREG(IT8XXX2_SMB_BASE + 0x08)
1201 #define IT8XXX2_SMB_SCLKTS(ch)      ECREG(IT8XXX2_SMB_BASE + 0x09 + ch)
1202 #define IT8XXX2_SMB_MSTFCTRL1       ECREG(IT8XXX2_SMB_BASE + 0x0D)
1203 #define IT8XXX2_SMB_MSTFSTS1        ECREG(IT8XXX2_SMB_BASE + 0x0E)
1204 #define IT8XXX2_SMB_MSTFCTRL2       ECREG(IT8XXX2_SMB_BASE + 0x0F)
1205 #define IT8XXX2_SMB_MSTFSTS2        ECREG(IT8XXX2_SMB_BASE + 0x10)
1206 #define IT8XXX2_SMB_CHSEF           ECREG(IT8XXX2_SMB_BASE + 0x11)
1207 #define IT8XXX2_SMB_I2CW2RF         ECREG(IT8XXX2_SMB_BASE + 0x12)
1208 #define IT8XXX2_SMB_IWRFISTA        ECREG(IT8XXX2_SMB_BASE + 0x13)
1209 #define IT8XXX2_SMB_CHSAB           ECREG(IT8XXX2_SMB_BASE + 0x20)
1210 #define IT8XXX2_SMB_CHSCD           ECREG(IT8XXX2_SMB_BASE + 0x21)
1211 #define IT8XXX2_SMB_SFFCTL          ECREG(IT8XXX2_SMB_BASE + 0x55)
1212 #define IT8XXX2_SMB_HOSTA(base)     ECREG(base + 0x00)
1213 #define IT8XXX2_SMB_HOCTL(base)     ECREG(base + 0x01)
1214 #define IT8XXX2_SMB_HOCMD(base)     ECREG(base + 0x02)
1215 #define IT8XXX2_SMB_TRASLA(base)    ECREG(base + 0x03)
1216 #define IT8XXX2_SMB_D0REG(base)     ECREG(base + 0x04)
1217 #define IT8XXX2_SMB_D1REG(base)     ECREG(base + 0x05)
1218 #define IT8XXX2_SMB_HOBDB(base)     ECREG(base + 0x06)
1219 #define IT8XXX2_SMB_PECERC(base)    ECREG(base + 0x07)
1220 #define IT8XXX2_SMB_SMBPCTL(base)   ECREG(base + 0x0A)
1221 #define IT8XXX2_SMB_HOCTL2(base)    ECREG(base + 0x10)
1222 #elif CONFIG_SOC_IT8XXX2_REG_SET_V2
1223 #define IT8XXX2_SMB_SLVISEL         ECREG(IT8XXX2_SMB_BASE + 0x08)
1224 #define IT8XXX2_SMB_SMB01CHS        ECREG(IT8XXX2_SMB_BASE + 0x09)
1225 #define IT8XXX2_SMB_SMB23CHS        ECREG(IT8XXX2_SMB_BASE + 0x0A)
1226 #define IT8XXX2_SMB_SMB4CHS         ECREG(IT8XXX2_SMB_BASE + 0x0B)
1227 #define IT8XXX2_SMB_SCLKTS_BRGS     ECREG(IT8XXX2_SMB_BASE + 0x80)
1228 #define IT8XXX2_SMB_SCLKTS_BRGM     ECREG(IT8XXX2_SMB_BASE + 0x81)
1229 #define IT8XXX2_SMB_CHSBRG          ECREG(IT8XXX2_SMB_BASE + 0x82)
1230 #define IT8XXX2_SMB_CHSMOT          ECREG(IT8XXX2_SMB_BASE + 0x83)
1231 
1232 /* SMBus register fields */
1233 /* 0x80: SMCLK Timing Setting Register Bridge Slave */
1234 #define IT8XXX2_SMB_PREDEN            BIT(7)
1235 #endif
1236 
1237 /**
1238  * Enhanced SMBus/I2C Interface
1239  * Ch_D: 0x00F03680, Ch_E: 0x00F03500, Ch_F: 0x00F03580
1240  * Ch_D: ch = 0x03, Ch_E: ch = 0x00, Ch_F: ch = 0x01
1241  */
1242 #define IT8XXX2_I2C_DRR(base)         ECREG(base + 0x00)
1243 #define IT8XXX2_I2C_PSR(base)         ECREG(base + 0x01)
1244 #define IT8XXX2_I2C_HSPR(base)        ECREG(base + 0x02)
1245 #define IT8XXX2_I2C_STR(base)         ECREG(base + 0x03)
1246 #define IT8XXX2_I2C_DHTR(base)        ECREG(base + 0x04)
1247 #define IT8XXX2_I2C_TOR(base)         ECREG(base + 0x05)
1248 #define IT8XXX2_I2C_DTR(base)         ECREG(base + 0x08)
1249 #define IT8XXX2_I2C_CTR(base)         ECREG(base + 0x09)
1250 #define IT8XXX2_I2C_CTR1(base)        ECREG(base + 0x0A)
1251 #define IT8XXX2_I2C_BYTE_CNT_H(base)  ECREG(base + 0x0B)
1252 #define IT8XXX2_I2C_BYTE_CNT_L(base)  ECREG(base + 0x0C)
1253 #define IT8XXX2_I2C_IRQ_ST(base)      ECREG(base + 0x0D)
1254 #define IT8XXX2_I2C_IDR(base)         ECREG(base + 0x06)
1255 #define IT8XXX2_I2C_TOS(base)         ECREG(base + 0x07)
1256 #define IT8XXX2_I2C_SLV_NUM_H(base)   ECREG(base + 0x10)
1257 #define IT8XXX2_I2C_SLV_NUM_L(base)   ECREG(base + 0x11)
1258 #define IT8XXX2_I2C_STR2(base)        ECREG(base + 0x12)
1259 #define IT8XXX2_I2C_NST(base)         ECREG(base + 0x13)
1260 #define IT8XXX2_I2C_TO_ARB_ST(base)   ECREG(base + 0x18)
1261 #define IT8XXX2_I2C_ERR_ST(base)      ECREG(base + 0x19)
1262 #define IT8XXX2_I2C_FST(base)         ECREG(base + 0x1B)
1263 #define IT8XXX2_I2C_EM(base)          ECREG(base + 0x1C)
1264 #define IT8XXX2_I2C_MODE_SEL(base)    ECREG(base + 0x1D)
1265 #define IT8XXX2_I2C_IDR2(base)        ECREG(base + 0x1F)
1266 #define IT8XXX2_I2C_CTR2(base)        ECREG(base + 0x20)
1267 #define IT8XXX2_I2C_RAMHA(base)       ECREG(base + 0x23)
1268 #define IT8XXX2_I2C_RAMLA(base)       ECREG(base + 0x24)
1269 #define IT8XXX2_I2C_RAMHA2(base)      ECREG(base + 0x2C)
1270 #define IT8XXX2_I2C_RAMLA2(base)      ECREG(base + 0x2D)
1271 #define IT8XXX2_I2C_CMD_ADDH(base)    ECREG(base + 0x25)
1272 #define IT8XXX2_I2C_CMD_ADDL(base)    ECREG(base + 0x26)
1273 #define IT8XXX2_I2C_RAMH2A(base)      ECREG(base + 0x50)
1274 #define IT8XXX2_I2C_CMD_ADDH2(base)   ECREG(base + 0x52)
1275 
1276 /* SMBus/I2C register fields */
1277 /* 0x09-0xB: SMCLK Timing Setting */
1278 #define IT8XXX2_SMB_SMCLKS_1M         4
1279 #define IT8XXX2_SMB_SMCLKS_400K       3
1280 #define IT8XXX2_SMB_SMCLKS_100K       2
1281 #define IT8XXX2_SMB_SMCLKS_50K        1
1282 
1283 /* 0x0E: SMBus FIFO Status 1 */
1284 #define IT8XXX2_SMB_FIFO1_EMPTY       BIT(7)
1285 #define IT8XXX2_SMB_FIFO1_FULL        BIT(6)
1286 /* 0x0D: SMBus FIFO Control 1 */
1287 /* 0x0F: SMBus FIFO Control 2 */
1288 #define IT8XXX2_SMB_BLKDS             BIT(4)
1289 #define IT8XXX2_SMB_FFEN              BIT(3)
1290 #define IT8XXX2_SMB_FFCHSEL2_B        0
1291 #define IT8XXX2_SMB_FFCHSEL2_C        BIT(0)
1292 /* 0x10: SMBus FIFO Status 2 */
1293 #define IT8XXX2_SMB_FIFO2_EMPTY       BIT(7)
1294 #define IT8XXX2_SMB_FIFO2_FULL        BIT(6)
1295 /* 0x12: I2C Wr To Rd FIFO */
1296 #define IT8XXX2_SMB_MAIF              BIT(7)
1297 #define IT8XXX2_SMB_MBCIF             BIT(6)
1298 #define IT8XXX2_SMB_MCIFI             BIT(2)
1299 #define IT8XXX2_SMB_MBIFI             BIT(1)
1300 #define IT8XXX2_SMB_MAIFI             BIT(0)
1301 /* 0x13: I2C Wr To Rd FIFO Interrupt Status */
1302 #define IT8XXX2_SMB_MCIFID            BIT(2)
1303 #define IT8XXX2_SMB_MAIFID            BIT(0)
1304 /* 0x41 0x81 0xC1: Host Control */
1305 #define IT8XXX2_SMB_SRT               BIT(6)
1306 #define IT8XXX2_SMB_LABY              BIT(5)
1307 #define IT8XXX2_SMB_SMCD_EXTND        BIT(4) | BIT(3) | BIT(2)
1308 #define IT8XXX2_SMB_KILL              BIT(1)
1309 #define IT8XXX2_SMB_INTREN            BIT(0)
1310 /* 0x43 0x83 0xC3: Transmit Slave Address */
1311 #define IT8XXX2_SMB_DIR               BIT(0)
1312 /* 0x4A 0x8A 0xCA: SMBus Pin Control */
1313 #define IT8XXX2_SMB_SMBDCS            BIT(1)
1314 #define IT8XXX2_SMB_SMBCS             BIT(0)
1315 /* 0x50 0x90 0xD0: Host Control 2 */
1316 #define IT8XXX2_SMB_SMD_TO_EN         BIT(4)
1317 #define IT8XXX2_SMB_I2C_SW_EN         BIT(3)
1318 #define IT8XXX2_SMB_I2C_SW_WAIT       BIT(2)
1319 #define IT8XXX2_SMB_I2C_EN            BIT(1)
1320 #define IT8XXX2_SMB_SMHEN             BIT(0)
1321 /* 0x55: Slave A FIFO Control */
1322 #define IT8XXX2_SMB_HSAPE             BIT(1)
1323 /* 0x03: Status Register */
1324 #define IT8XXX2_I2C_BYTE_DONE         BIT(7)
1325 #define IT8XXX2_I2C_RW                BIT(2)
1326 #define IT8XXX2_I2C_INT_PEND          BIT(1)
1327 /* 0x04: Data Hold Time */
1328 #define IT8XXX2_I2C_SOFT_RST          BIT(7)
1329 /* 0x07: Time Out Status */
1330 #define IT8XXX2_I2C_CLK_STRETCH       BIT(7)
1331 #define IT8XXX2_I2C_SCL_IN            BIT(2)
1332 #define IT8XXX2_I2C_SDA_IN            BIT(0)
1333 /* 0x09: Control Register */
1334 #define IT8XXX2_I2C_INT_EN            BIT(6)
1335 #define IT8XXX2_I2C_ACK               BIT(3)
1336 #define IT8XXX2_I2C_HALT              BIT(0)
1337 /* 0x0A: Control 1 */
1338 #define IT8XXX2_I2C_COMQ_EN           BIT(7)
1339 #define IT8XXX2_I2C_MDL_EN            BIT(1)
1340 /* 0x0C: Byte count */
1341 #define IT8XXX2_I2C_DMA_ADDR_RELOAD   BIT(5)
1342 #define IT8XXX2_I2C_BYTE_CNT_ENABLE   BIT(3)
1343 /* 0x0D: Interrupt Status */
1344 #define IT8XXX2_I2C_CNT_HOLD          BIT(4)
1345 #define IT8XXX2_I2C_IDW_CLR           BIT(3)
1346 #define IT8XXX2_I2C_IDR_CLR           BIT(2)
1347 #define IT8XXX2_I2C_SLVDATAFLG        BIT(1)
1348 #define IT8XXX2_I2C_P_CLR             BIT(0)
1349 /* 0x13: Nack Status */
1350 #define IT8XXX2_I2C_NST_CNS           BIT(7)
1351 #define IT8XXX2_I2C_NST_ID_NACK       BIT(3)
1352 /* 0x18: Timeout and Arbiter Status */
1353 #define IT8XXX2_I2C_SCL_TIMEOUT_EN    BIT(7)
1354 #define IT8XXX2_I2C_SDA_TIMEOUT_EN    BIT(6)
1355 /* 0x19: Error Status */
1356 #define IT8XXX2_I2C_ERR_ST_DEV1_EIRQ  BIT(0)
1357 /* 0x1B: Finish Status */
1358 #define IT8XXX2_I2C_FST_DEV1_IRQ      BIT(4)
1359 /* 0x1C: Error Mask */
1360 #define IT8XXX2_I2C_EM_DEV1_IRQ       BIT(4)
1361 
1362 /*
1363  * TODO: use gctrl_it8xxx2_regs instead of following register declarations
1364  *       to fix in cros_flash_it8xxx2.c, cros_shi_it8xxx2.c and tcpm\it8xxx2.c.
1365  */
1366 /* --- General Control (GCTRL) --- */
1367 #define IT83XX_GCTRL_BASE 0x00F02000
1368 
1369 #define IT83XX_GCTRL_CHIPID1         ECREG(IT83XX_GCTRL_BASE + 0x85)
1370 #define IT83XX_GCTRL_CHIPID2         ECREG(IT83XX_GCTRL_BASE + 0x86)
1371 #define IT83XX_GCTRL_CHIPVER         ECREG(IT83XX_GCTRL_BASE + 0x02)
1372 #define IT83XX_GCTRL_MCCR3           ECREG(IT83XX_GCTRL_BASE + 0x20)
1373 #define IT83XX_GCTRL_SPISLVPFE             BIT(6)
1374 #define IT83XX_GCTRL_EWPR0PFH(i)     ECREG(IT83XX_GCTRL_BASE + 0x60 + i)
1375 #define IT83XX_GCTRL_EWPR0PFD(i)     ECREG(IT83XX_GCTRL_BASE + 0xA0 + i)
1376 #define IT83XX_GCTRL_EWPR0PFEC(i)    ECREG(IT83XX_GCTRL_BASE + 0xC0 + i)
1377 
1378 /*
1379  * TODO: use spisc_it8xxx2_regs instead of following register declarations
1380  *       to fix in cros_shi_it8xxx2.c.
1381  */
1382 /* Serial Peripheral Interface (SPI) */
1383 #define IT83XX_SPI_BASE  0x00F03A00
1384 
1385 #define IT83XX_SPI_SPISGCR           ECREG(IT83XX_SPI_BASE + 0x00)
1386 #define IT83XX_SPI_SPISCEN                 BIT(0)
1387 #define IT83XX_SPI_TXRXFAR           ECREG(IT83XX_SPI_BASE + 0x01)
1388 #define IT83XX_SPI_CPURXF2A                BIT(4)
1389 #define IT83XX_SPI_CPURXF1A                BIT(3)
1390 #define IT83XX_SPI_CPUTFA                  BIT(1)
1391 #define IT83XX_SPI_TXFCR             ECREG(IT83XX_SPI_BASE + 0x02)
1392 #define IT83XX_SPI_TXFCMR                  BIT(2)
1393 #define IT83XX_SPI_TXFR                    BIT(1)
1394 #define IT83XX_SPI_TXFS                    BIT(0)
1395 #define IT83XX_SPI_GCR2              ECREG(IT83XX_SPI_BASE + 0x03)
1396 #define IT83XX_SPI_RXF2OC                  BIT(4)
1397 #define IT83XX_SPI_RXF1OC                  BIT(3)
1398 #define IT83XX_SPI_RXFAR                   BIT(0)
1399 #define IT83XX_SPI_IMR               ECREG(IT83XX_SPI_BASE + 0x04)
1400 #define IT83XX_SPI_RX_FIFO_FULL            BIT(7)
1401 #define IT83XX_SPI_RX_REACH                BIT(5)
1402 #define IT83XX_SPI_EDIM                    BIT(2)
1403 #define IT83XX_SPI_ISR               ECREG(IT83XX_SPI_BASE + 0x05)
1404 #define IT83XX_SPI_TXFSR             ECREG(IT83XX_SPI_BASE + 0x06)
1405 #define IT83XX_SPI_ENDDETECTINT            BIT(2)
1406 #define IT83XX_SPI_RXFSR             ECREG(IT83XX_SPI_BASE + 0x07)
1407 #define IT83XX_SPI_RXFFSM                  (BIT(4) | BIT(3))
1408 #define IT83XX_SPI_RXF2FS                  BIT(2)
1409 #define IT83XX_SPI_RXF1FS                  BIT(1)
1410 #ifdef CHIP_VARIANT_IT83202BX
1411 #define IT83XX_SPI_SPISRDR           ECREG(IT83XX_SPI_BASE + 0x08)
1412 #else
1413 #define IT83XX_SPI_SPISRDR           ECREG(IT83XX_SPI_BASE + 0x0b)
1414 #endif
1415 #define IT83XX_SPI_CPUWTFDB0         ECREG_u32(IT83XX_SPI_BASE + 0x08)
1416 #define IT83XX_SPI_FCR               ECREG(IT83XX_SPI_BASE + 0x09)
1417 #define IT83XX_SPI_SPISRTXF                BIT(2)
1418 #define IT83XX_SPI_RXFR                    BIT(1)
1419 #define IT83XX_SPI_RXFCMR                  BIT(0)
1420 #define IT83XX_SPI_RXFRDRB0          ECREG_u32(IT83XX_SPI_BASE + 0x0C)
1421 #define IT83XX_SPI_FTCB0R            ECREG(IT83XX_SPI_BASE + 0x18)
1422 #define IT83XX_SPI_FTCB1R            ECREG(IT83XX_SPI_BASE + 0x19)
1423 #define IT83XX_SPI_TCCB0             ECREG(IT83XX_SPI_BASE + 0x1A)
1424 #define IT83XX_SPI_TCCB1             ECREG(IT83XX_SPI_BASE + 0x1B)
1425 #define IT83XX_SPI_HPR2              ECREG(IT83XX_SPI_BASE + 0x1E)
1426 #define IT83XX_SPI_EMMCBMR           ECREG(IT83XX_SPI_BASE + 0x21)
1427 #define IT83XX_SPI_EMMCABM                 BIT(1) /* eMMC Alternative Boot Mode */
1428 #define IT83XX_SPI_RX_VLISMR         ECREG(IT83XX_SPI_BASE + 0x26)
1429 #define IT83XX_SPI_RVLIM                   BIT(0)
1430 #define IT83XX_SPI_RX_VLISR          ECREG(IT83XX_SPI_BASE + 0x27)
1431 #define IT83XX_SPI_RVLI                    BIT(0)
1432 
1433 /**
1434  *
1435  * (20xxh) General Control (GCTRL) registers
1436  *
1437  */
1438 #define GCTRL_IT8XXX2_REGS_BASE \
1439 	((struct gctrl_it8xxx2_regs *)DT_REG_ADDR(DT_NODELABEL(gctrl)))
1440 
1441 #ifndef __ASSEMBLER__
1442 struct gctrl_it8xxx2_regs {
1443 	/* 0x00-0x01: Reserved_00_01 */
1444 	volatile uint8_t reserved_00_01[2];
1445 	/* 0x02: Chip Version */
1446 	volatile uint8_t GCTRL_ECHIPVER;
1447 	/* 0x03-0x05: Reserved_03_05 */
1448 	volatile uint8_t reserved_03_05[3];
1449 	/* 0x06: Reset Status */
1450 	volatile uint8_t GCTRL_RSTS;
1451 	/* 0x07-0x09: Reserved_07_09 */
1452 	volatile uint8_t reserved_07_09[3];
1453 	/* 0x0A: Base Address Select */
1454 	volatile uint8_t GCTRL_BADRSEL;
1455 	/* 0x0B: Wait Next Clock Rising */
1456 	volatile uint8_t GCTRL_WNCKR;
1457 	/* 0x0C: reserved_0c */
1458 	volatile uint8_t reserved_0c;
1459 	/* 0x0D: Special Control 1 */
1460 	volatile uint8_t GCTRL_SPCTRL1;
1461 	/* 0x0E-0x0F: reserved_0e_0f */
1462 	volatile uint8_t reserved_0e_0f[2];
1463 	/* 0x10: Reset Control DMM */
1464 	volatile uint8_t GCTRL_RSTDMMC;
1465 	/* 0x11: Reset Control 4 */
1466 	volatile uint8_t GCTRL_RSTC4;
1467 	/* 0x12-0x1B: reserved_12_1b */
1468 	volatile uint8_t reserved_12_1b[10];
1469 	/* 0x1C: Special Control 4 */
1470 	volatile uint8_t GCTRL_SPCTRL4;
1471 	/* 0x1D-0x1F: reserved_1d_1f */
1472 	volatile uint8_t reserved_1d_1f[3];
1473 	/* 0x20: Memory Controller Configuration 3 */
1474 	volatile uint8_t GCTRL_MCCR3;
1475 	/* 0x21: Reset Control 5 */
1476 	volatile uint8_t GCTRL_RSTC5;
1477 	/* 0x22-0x2F: reserved_22_2f */
1478 	volatile uint8_t reserved_22_2f[14];
1479 	/* 0x30: Memory Controller Configuration */
1480 	volatile uint8_t GCTRL_MCCR;
1481 	/* 0x31: Externel ILM/DLM Size */
1482 	volatile uint8_t GCTRL_EIDSR;
1483 	/* 0x32: Reserved_32 */
1484 	volatile uint8_t reserved_32;
1485 	/* 0x33: Pin Multi-function Enable 2 */
1486 	volatile uint8_t gctrl_pmer2;
1487 	/* 0x34-0x36: Reserved_34_36 */
1488 	volatile uint8_t reserved_34_36[3];
1489 	/* 0x37: Eflash Protect Lock */
1490 	volatile uint8_t GCTRL_EPLR;
1491 	/* 0x38-0x40: Reserved_38_40 */
1492 	volatile uint8_t reserved_38_40[9];
1493 	/* 0x41: Interrupt Vector Table Base Address */
1494 	volatile uint8_t GCTRL_IVTBAR;
1495 	/* 0x42-0x43: Reserved_42_43 */
1496 	volatile uint8_t reserved_42_43[2];
1497 	/* 0x44: Memory Controller Configuration 2 */
1498 	volatile uint8_t GCTRL_MCCR2;
1499 	/* 0x45: Reserved_45 */
1500 	volatile uint8_t reserved_45;
1501 	/* 0x46: Pin Multi-function Enable 3 */
1502 	volatile uint8_t GCTRL_PMER3;
1503 	/* 0x47-0x4A: reserved_47_4a */
1504 	volatile uint8_t reserved_47_4a[4];
1505 	/* 0x4B: ETWD and UART Control */
1506 	volatile uint8_t GCTRL_ETWDUARTCR;
1507 	/* 0x4C: Wakeup MCU Control */
1508 	volatile uint8_t GCTRL_WMCR;
1509 	/* 0x4D-0x4F: reserved_4d_4f */
1510 	volatile uint8_t reserved_4d_4f[3];
1511 	/* 0x50: Port 80h/81h Status Register */
1512 	volatile uint8_t GCTRL_P80H81HSR;
1513 	/* 0x51: Port 80h Data Register */
1514 	volatile uint8_t GCTRL_P80HDR;
1515 	/* 0x52: Port 81h Data Register */
1516 	volatile uint8_t GCTRL_P81HDR;
1517 	/* 0x53: H2RAM Offset Register */
1518 	volatile uint8_t GCTRL_H2ROFSR;
1519 	/* 0x54-0x5C: reserved_54_5c */
1520 	volatile uint8_t reserved_54_5c[9];
1521 	/* 0x5D: RISCV ILM Configuration 0 */
1522 	volatile uint8_t GCTRL_RVILMCR0;
1523 	/* 0x5E-0x84: reserved_5e_84 */
1524 	volatile uint8_t reserved_5e_84[39];
1525 	/* 0x85: Chip ID Byte 1 */
1526 	volatile uint8_t GCTRL_ECHIPID1;
1527 	/* 0x86: Chip ID Byte 2 */
1528 	volatile uint8_t GCTRL_ECHIPID2;
1529 	/* 0x87: Chip ID Byte 3 */
1530 	volatile uint8_t GCTRL_ECHIPID3;
1531 };
1532 #endif /* !__ASSEMBLER__ */
1533 
1534 /* GCTRL register fields */
1535 /* 0x06: Reset Status */
1536 #define IT8XXX2_GCTRL_LRS		(BIT(1) | BIT(0))
1537 #define IT8XXX2_GCTRL_IWDTR		BIT(1)
1538 /* 0x10: Reset Control DMM */
1539 #define IT8XXX2_GCTRL_UART1SD		BIT(3)
1540 #define IT8XXX2_GCTRL_UART2SD		BIT(2)
1541 /* 0x11: Reset Control 4 */
1542 #define IT8XXX2_GCTRL_RPECI		BIT(4)
1543 #define IT8XXX2_GCTRL_RUART2		BIT(2)
1544 #define IT8XXX2_GCTRL_RUART1		BIT(1)
1545 /* 0x1C: Special Control 4 */
1546 #define IT8XXX2_GCTRL_LRSIWR		BIT(2)
1547 #define IT8XXX2_GCTRL_LRSIPWRSWTR	BIT(1)
1548 #define IT8XXX2_GCTRL_LRSIPGWR		BIT(0)
1549 /* 0x20: Memory Controller Configuration 3 */
1550 #define IT8XXX2_GCTRL_SPISLVPFE		BIT(6)
1551 /* 0x30: Memory Controller Configuration */
1552 #define IT8XXX2_GCTRL_ICACHE_RESET	BIT(4)
1553 /* 0x37: Eflash Protect Lock */
1554 #define IT8XXX2_GCTRL_EPLR_ENABLE	BIT(0)
1555 /* 0x46: Pin Multi-function Enable 3 */
1556 #define IT8XXX2_GCTRL_SMB3PSEL		BIT(6)
1557 /* 0x4B: ETWD and UART Control */
1558 #define IT8XXX2_GCTRL_ETWD_HW_RST_EN	BIT(0)
1559 /* 0x5D: RISCV ILM Configuration 0 */
1560 #define IT8XXX2_GCTRL_ILM0_ENABLE	BIT(0)
1561 /* Accept Port 80h Cycle */
1562 #define IT8XXX2_GCTRL_ACP80		BIT(6)
1563 /* USB Debug Enable */
1564 #define IT8XXX2_GCTRL_MCCR_USB_EN	BIT(7)
1565 /* USB Pad Power-On Enable */
1566 #define IT8XXX2_GCTRL_PMER2_USB_PAD_EN	BIT(7)
1567 
1568 /*
1569  * VCC Detector Option.
1570  * bit[7-6] = 1: The VCC power status is treated as power-on.
1571  * The VCC supply of eSPI and related functions (EC2I, KBC, PMC and
1572  * PECI). It means VCC should be logic high before using these
1573  * functions, or firmware treats VCC logic high.
1574  */
1575 #define IT8XXX2_GCTRL_VCCDO_MASK	(BIT(6) | BIT(7))
1576 #define IT8XXX2_GCTRL_VCCDO_VCC_ON	BIT(6)
1577 /*
1578  * bit[3] = 0: The reset source of PNPCFG is RSTPNP bit in RSTCH
1579  * register and WRST#.
1580  */
1581 #define IT8XXX2_GCTRL_HGRST		BIT(3)
1582 /* bit[2] = 1: Enable global reset. */
1583 #define IT8XXX2_GCTRL_GRST		BIT(2)
1584 
1585 /**
1586  *
1587  * (22xxh) Battery-backed SRAM (BRAM) registers
1588  *
1589  */
1590 #ifndef __ASSEMBLER__
1591 /* Battery backed RAM indices. */
1592 #define BRAM_MAGIC_FIELD_OFFSET 0xbc
1593 enum bram_indices {
1594 
1595 	/* This field is used to indicate BRAM is valid or not. */
1596 	BRAM_IDX_VALID_FLAGS0 = BRAM_MAGIC_FIELD_OFFSET,
1597 	BRAM_IDX_VALID_FLAGS1,
1598 	BRAM_IDX_VALID_FLAGS2,
1599 	BRAM_IDX_VALID_FLAGS3
1600 };
1601 #endif /* !__ASSEMBLER__ */
1602 
1603 #ifndef __ASSEMBLER__
1604 /*
1605  * EC2I bridge registers
1606  */
1607 struct ec2i_regs {
1608 	/* 0x00: Indirect Host I/O Address Register */
1609 	volatile uint8_t IHIOA;
1610 	/* 0x01: Indirect Host Data Register */
1611 	volatile uint8_t IHD;
1612 	/* 0x02: Lock Super I/O Host Access Register */
1613 	volatile uint8_t LSIOHA;
1614 	/* 0x03: Super I/O Access Lock Violation Register */
1615 	volatile uint8_t SIOLV;
1616 	/* 0x04: EC to I-Bus Modules Access Enable Register */
1617 	volatile uint8_t IBMAE;
1618 	/* 0x05: I-Bus Control Register */
1619 	volatile uint8_t IBCTL;
1620 };
1621 
1622 /* Index list of the host interface registers of PNPCFG */
1623 enum host_pnpcfg_index {
1624 	/* Logical Device Number */
1625 	HOST_INDEX_LDN = 0x07,
1626 	/* Chip ID Byte 1 */
1627 	HOST_INDEX_CHIPID1 = 0x20,
1628 	/* Chip ID Byte 2 */
1629 	HOST_INDEX_CHIPID2 = 0x21,
1630 	/* Chip Version */
1631 	HOST_INDEX_CHIPVER = 0x22,
1632 	/* Super I/O Control */
1633 	HOST_INDEX_SIOCTRL = 0x23,
1634 	/* Super I/O IRQ Configuration */
1635 	HOST_INDEX_SIOIRQ = 0x25,
1636 	/* Super I/O General Purpose */
1637 	HOST_INDEX_SIOGP = 0x26,
1638 	/* Super I/O Power Mode */
1639 	HOST_INDEX_SIOPWR = 0x2D,
1640 	/* Depth 2 I/O Address */
1641 	HOST_INDEX_D2ADR = 0x2E,
1642 	/* Depth 2 I/O Data */
1643 	HOST_INDEX_D2DAT = 0x2F,
1644 	/* Logical Device Activate Register */
1645 	HOST_INDEX_LDA = 0x30,
1646 	/* I/O Port Base Address Bits [15:8] for Descriptor 0 */
1647 	HOST_INDEX_IOBAD0_MSB = 0x60,
1648 	/* I/O Port Base Address Bits [7:0] for Descriptor 0 */
1649 	HOST_INDEX_IOBAD0_LSB = 0x61,
1650 	/* I/O Port Base Address Bits [15:8] for Descriptor 1 */
1651 	HOST_INDEX_IOBAD1_MSB = 0x62,
1652 	/* I/O Port Base Address Bits [7:0] for Descriptor 1 */
1653 	HOST_INDEX_IOBAD1_LSB = 0x63,
1654 	/* Interrupt Request Number and Wake-Up on IRQ Enabled */
1655 	HOST_INDEX_IRQNUMX = 0x70,
1656 	/* Interrupt Request Type Select */
1657 	HOST_INDEX_IRQTP = 0x71,
1658 	/* DMA Channel Select 0 */
1659 	HOST_INDEX_DMAS0 = 0x74,
1660 	/* DMA Channel Select 1 */
1661 	HOST_INDEX_DMAS1 = 0x75,
1662 	/* Device Specific Logical Device Configuration 1 to 10 */
1663 	HOST_INDEX_DSLDC1 = 0xF0,
1664 	HOST_INDEX_DSLDC2 = 0xF1,
1665 	HOST_INDEX_DSLDC3 = 0xF2,
1666 	HOST_INDEX_DSLDC4 = 0xF3,
1667 	HOST_INDEX_DSLDC5 = 0xF4,
1668 	HOST_INDEX_DSLDC6 = 0xF5,
1669 	HOST_INDEX_DSLDC7 = 0xF6,
1670 	HOST_INDEX_DSLDC8 = 0xF7,
1671 	HOST_INDEX_DSLDC9 = 0xF8,
1672 	HOST_INDEX_DSLDC10 = 0xF9,
1673 };
1674 
1675 /* List of logical device number (LDN) assignments */
1676 enum logical_device_number {
1677 	/* Serial Port 1 */
1678 	LDN_UART1 = 0x01,
1679 	/* Serial Port 2 */
1680 	LDN_UART2 = 0x02,
1681 	/* System Wake-Up Control */
1682 	LDN_SWUC = 0x04,
1683 	/* KBC/Mouse Interface */
1684 	LDN_KBC_MOUSE = 0x05,
1685 	/* KBC/Keyboard Interface */
1686 	LDN_KBC_KEYBOARD = 0x06,
1687 	/* Consumer IR */
1688 	LDN_CIR = 0x0A,
1689 	/* Shared Memory/Flash Interface */
1690 	LDN_SMFI = 0x0F,
1691 	/* RTC-like Timer */
1692 	LDN_RTCT = 0x10,
1693 	/* Power Management I/F Channel 1 */
1694 	LDN_PMC1 = 0x11,
1695 	/* Power Management I/F Channel 2 */
1696 	LDN_PMC2 = 0x12,
1697 	/* Serial Peripheral Interface */
1698 	LDN_SSPI = 0x13,
1699 	/* Platform Environment Control Interface */
1700 	LDN_PECI = 0x14,
1701 	/* Power Management I/F Channel 3 */
1702 	LDN_PMC3 = 0x17,
1703 	/* Power Management I/F Channel 4 */
1704 	LDN_PMC4 = 0x18,
1705 	/* Power Management I/F Channel 5 */
1706 	LDN_PMC5 = 0x19,
1707 };
1708 
1709 /* Structure for initializing PNPCFG via ec2i. */
1710 struct ec2i_t {
1711 	/* index port */
1712 	enum host_pnpcfg_index index_port;
1713 	/* data port */
1714 	uint8_t data_port;
1715 };
1716 
1717 /* EC2I access index/data port */
1718 enum ec2i_access {
1719 	/* index port */
1720 	EC2I_ACCESS_INDEX = 0,
1721 	/* data port */
1722 	EC2I_ACCESS_DATA = 1,
1723 };
1724 
1725 /* EC to I-Bus Access Enabled */
1726 #define EC2I_IBCTL_CSAE  BIT(0)
1727 /* EC Read from I-Bus */
1728 #define EC2I_IBCTL_CRIB  BIT(1)
1729 /* EC Write to I-Bus */
1730 #define EC2I_IBCTL_CWIB  BIT(2)
1731 #define EC2I_IBCTL_CRWIB (EC2I_IBCTL_CRIB | EC2I_IBCTL_CWIB)
1732 
1733 /* PNPCFG Register EC Access Enable */
1734 #define EC2I_IBMAE_CFGAE BIT(0)
1735 
1736 /*
1737  * KBC registers
1738  */
1739 struct kbc_regs {
1740 	/* 0x00: KBC Host Interface Control Register */
1741 	volatile uint8_t KBHICR;
1742 	/* 0x01: Reserved1 */
1743 	volatile uint8_t reserved1;
1744 	/* 0x02: KBC Interrupt Control Register */
1745 	volatile uint8_t KBIRQR;
1746 	/* 0x03: Reserved2 */
1747 	volatile uint8_t reserved2;
1748 	/* 0x04: KBC Host Interface Keyboard/Mouse Status Register */
1749 	volatile uint8_t KBHISR;
1750 	/* 0x05: Reserved3 */
1751 	volatile uint8_t reserved3;
1752 	/* 0x06: KBC Host Interface Keyboard Data Output Register */
1753 	volatile uint8_t KBHIKDOR;
1754 	/* 0x07: Reserved4 */
1755 	volatile uint8_t reserved4;
1756 	/* 0x08: KBC Host Interface Mouse Data Output Register */
1757 	volatile uint8_t KBHIMDOR;
1758 	/* 0x09: Reserved5 */
1759 	volatile uint8_t reserved5;
1760 	/* 0x0a: KBC Host Interface Keyboard/Mouse Data Input Register */
1761 	volatile uint8_t KBHIDIR;
1762 };
1763 
1764 /* Output Buffer Full */
1765 #define KBC_KBHISR_OBF      BIT(0)
1766 /* Input Buffer Full */
1767 #define KBC_KBHISR_IBF      BIT(1)
1768 /* A2 Address (A2) */
1769 #define KBC_KBHISR_A2_ADDR  BIT(3)
1770 #define KBC_KBHISR_STS_MASK (KBC_KBHISR_OBF | KBC_KBHISR_IBF \
1771 						| KBC_KBHISR_A2_ADDR)
1772 
1773 /* Clear Output Buffer Full */
1774 #define KBC_KBHICR_COBF      BIT(6)
1775 /* IBF/OBF Clear Mode Enable */
1776 #define KBC_KBHICR_IBFOBFCME BIT(5)
1777 /* Input Buffer Full CPU Interrupt Enable */
1778 #define KBC_KBHICR_IBFCIE    BIT(3)
1779 /* Output Buffer Empty CPU Interrupt Enable */
1780 #define KBC_KBHICR_OBECIE    BIT(2)
1781 /* Output Buffer Full Mouse Interrupt Enable */
1782 #define KBC_KBHICR_OBFMIE    BIT(1)
1783 /* Output Buffer Full Keyboard Interrupt Enable */
1784 #define KBC_KBHICR_OBFKIE    BIT(0)
1785 
1786 /*
1787  * PMC registers
1788  */
1789 struct pmc_regs {
1790 	/* 0x00: Host Interface PM Channel 1 Status */
1791 	volatile uint8_t PM1STS;
1792 	/* 0x01: Host Interface PM Channel 1 Data Out Port */
1793 	volatile uint8_t PM1DO;
1794 	/* 0x02: Host Interface PM Channel 1 Data Out Port with SCI# */
1795 	volatile uint8_t PM1DOSCI;
1796 	/* 0x03: Host Interface PM Channel 1 Data Out Port with SMI# */
1797 	volatile uint8_t PM1DOSMI;
1798 	/* 0x04: Host Interface PM Channel 1 Data In Port */
1799 	volatile uint8_t PM1DI;
1800 	/* 0x05: Host Interface PM Channel 1 Data In Port with SCI# */
1801 	volatile uint8_t PM1DISCI;
1802 	/* 0x06: Host Interface PM Channel 1 Control */
1803 	volatile uint8_t PM1CTL;
1804 	/* 0x07: Host Interface PM Channel 1 Interrupt Control */
1805 	volatile uint8_t PM1IC;
1806 	/* 0x08: Host Interface PM Channel 1 Interrupt Enable */
1807 	volatile uint8_t PM1IE;
1808 	/* 0x09-0x0f: Reserved1 */
1809 	volatile uint8_t reserved1[7];
1810 	/* 0x10: Host Interface PM Channel 2 Status */
1811 	volatile uint8_t PM2STS;
1812 	/* 0x11: Host Interface PM Channel 2 Data Out Port */
1813 	volatile uint8_t PM2DO;
1814 	/* 0x12: Host Interface PM Channel 2 Data Out Port with SCI# */
1815 	volatile uint8_t PM2DOSCI;
1816 	/* 0x13: Host Interface PM Channel 2 Data Out Port with SMI# */
1817 	volatile uint8_t PM2DOSMI;
1818 	/* 0x14: Host Interface PM Channel 2 Data In Port */
1819 	volatile uint8_t PM2DI;
1820 	/* 0x15: Host Interface PM Channel 2 Data In Port with SCI# */
1821 	volatile uint8_t PM2DISCI;
1822 	/* 0x16: Host Interface PM Channel 2 Control */
1823 	volatile uint8_t PM2CTL;
1824 	/* 0x17: Host Interface PM Channel 2 Interrupt Control */
1825 	volatile uint8_t PM2IC;
1826 	/* 0x18: Host Interface PM Channel 2 Interrupt Enable */
1827 	volatile uint8_t PM2IE;
1828 	/* 0x19: Mailbox Control */
1829 	volatile uint8_t MBXCTRL;
1830 	/* 0x1a-0x1f: Reserved2 */
1831 	volatile uint8_t reserved2[6];
1832 	/* 0x20-0xff: Reserved3 */
1833 	volatile uint8_t reserved3[0xe0];
1834 };
1835 
1836 /* Input Buffer Full Interrupt Enable */
1837 #define PMC_PM1CTL_IBFIE    BIT(0)
1838 /* Output Buffer Full */
1839 #define PMC_PM1STS_OBF      BIT(0)
1840 /* Input Buffer Full */
1841 #define PMC_PM1STS_IBF      BIT(1)
1842 /* General Purpose Flag */
1843 #define PMC_PM1STS_GPF      BIT(2)
1844 /* A2 Address (A2) */
1845 #define PMC_PM1STS_A2_ADDR  BIT(3)
1846 
1847 /* PMC2 Input Buffer Full Interrupt Enable */
1848 #define PMC_PM2CTL_IBFIE    BIT(0)
1849 /* General Purpose Flag */
1850 #define PMC_PM2STS_GPF      BIT(2)
1851 
1852 /*
1853  * Dedicated Interrupt
1854  * 0b:
1855  * INT3: PMC Output Buffer Empty Int
1856  * INT25: PMC Input Buffer Full Int
1857  * 1b:
1858  * INT3: PMC1 Output Buffer Empty Int
1859  * INT25: PMC1 Input Buffer Full Int
1860  * INT26: PMC2 Output Buffer Empty Int
1861  * INT27: PMC2 Input Buffer Full Int
1862  */
1863 #define PMC_MBXCTRL_DINT    BIT(5)
1864 
1865 /*
1866  * eSPI slave registers
1867  */
1868 struct espi_slave_regs {
1869 	/* 0x00-0x03: Reserved1 */
1870 	volatile uint8_t reserved1[4];
1871 
1872 	/* 0x04: General Capabilities and Configuration 0 */
1873 	volatile uint8_t GCAPCFG0;
1874 	/* 0x05: General Capabilities and Configuration 1 */
1875 	volatile uint8_t GCAPCFG1;
1876 	/* 0x06: General Capabilities and Configuration 2 */
1877 	volatile uint8_t GCAPCFG2;
1878 	/* 0x07: General Capabilities and Configuration 3 */
1879 	volatile uint8_t GCAPCFG3;
1880 
1881 	/* Channel 0 (Peripheral Channel) Capabilities and Configurations */
1882 	/* 0x08: Channel 0 Capabilities and Configuration 0 */
1883 	volatile uint8_t CH_PC_CAPCFG0;
1884 	/* 0x09: Channel 0 Capabilities and Configuration 1 */
1885 	volatile uint8_t CH_PC_CAPCFG1;
1886 	/* 0x0A: Channel 0 Capabilities and Configuration 2 */
1887 	volatile uint8_t CH_PC_CAPCFG2;
1888 	/* 0x0B: Channel 0 Capabilities and Configuration 3 */
1889 	volatile uint8_t CH_PC_CAPCFG3;
1890 
1891 	/* Channel 1 (Virtual Wire Channel) Capabilities and Configurations */
1892 	/* 0x0C: Channel 1 Capabilities and Configuration 0 */
1893 	volatile uint8_t CH_VW_CAPCFG0;
1894 	/* 0x0D: Channel 1 Capabilities and Configuration 1 */
1895 	volatile uint8_t CH_VW_CAPCFG1;
1896 	/* 0x0E: Channel 1 Capabilities and Configuration 2 */
1897 	volatile uint8_t CH_VW_CAPCFG2;
1898 	/* 0x0F: Channel 1 Capabilities and Configuration 3 */
1899 	volatile uint8_t CH_VW_CAPCFG3;
1900 
1901 	/* Channel 2 (OOB Message Channel) Capabilities and Configurations */
1902 	/* 0x10: Channel 2 Capabilities and Configuration 0 */
1903 	volatile uint8_t CH_OOB_CAPCFG0;
1904 	/* 0x11: Channel 2 Capabilities and Configuration 1 */
1905 	volatile uint8_t CH_OOB_CAPCFG1;
1906 	/* 0x12: Channel 2 Capabilities and Configuration 2 */
1907 	volatile uint8_t CH_OOB_CAPCFG2;
1908 	/* 0x13: Channel 2 Capabilities and Configuration 3 */
1909 	volatile uint8_t CH_OOB_CAPCFG3;
1910 
1911 	/* Channel 3 (Flash Access Channel) Capabilities and Configurations */
1912 	/* 0x14: Channel 3 Capabilities and Configuration 0 */
1913 	volatile uint8_t CH_FLASH_CAPCFG0;
1914 	/* 0x15: Channel 3 Capabilities and Configuration 1 */
1915 	volatile uint8_t CH_FLASH_CAPCFG1;
1916 	/* 0x16: Channel 3 Capabilities and Configuration 2 */
1917 	volatile uint8_t CH_FLASH_CAPCFG2;
1918 	/* 0x17: Channel 3 Capabilities and Configuration 3 */
1919 	volatile uint8_t CH_FLASH_CAPCFG3;
1920 	/* Channel 3 Capabilities and Configurations 2 */
1921 	/* 0x18: Channel 3 Capabilities and Configuration 2-0 */
1922 	volatile uint8_t CH_FLASH_CAPCFG2_0;
1923 	/* 0x19: Channel 3 Capabilities and Configuration 2-1 */
1924 	volatile uint8_t CH_FLASH_CAPCFG2_1;
1925 	/* 0x1A: Channel 3 Capabilities and Configuration 2-2 */
1926 	volatile uint8_t CH_FLASH_CAPCFG2_2;
1927 	/* 0x1B: Channel 3 Capabilities and Configuration 2-3 */
1928 	volatile uint8_t CH_FLASH_CAPCFG2_3;
1929 
1930 	/* 0x1c-0x1f: Reserved2 */
1931 	volatile uint8_t reserved2[4];
1932 	/* 0x20-0x8f: Reserved3 */
1933 	volatile uint8_t reserved3[0x70];
1934 
1935 	/* 0x90: eSPI PC Control 0 */
1936 	volatile uint8_t ESPCTRL0;
1937 	/* 0x91: eSPI PC Control 1 */
1938 	volatile uint8_t ESPCTRL1;
1939 	/* 0x92: eSPI PC Control 2 */
1940 	volatile uint8_t ESPCTRL2;
1941 	/* 0x93: eSPI PC Control 3 */
1942 	volatile uint8_t ESPCTRL3;
1943 	/* 0x94: eSPI PC Control 4 */
1944 	volatile uint8_t ESPCTRL4;
1945 	/* 0x95: eSPI PC Control 5 */
1946 	volatile uint8_t ESPCTRL5;
1947 	/* 0x96: eSPI PC Control 6 */
1948 	volatile uint8_t ESPCTRL6;
1949 	/* 0x97: eSPI PC Control 7 */
1950 	volatile uint8_t ESPCTRL7;
1951 	/* 0x98-0x9f: Reserved4 */
1952 	volatile uint8_t reserved4[8];
1953 
1954 	/* 0xa0: eSPI General Control 0 */
1955 	volatile uint8_t ESGCTRL0;
1956 	/* 0xa1: eSPI General Control 1 */
1957 	volatile uint8_t ESGCTRL1;
1958 	/* 0xa2: eSPI General Control 2 */
1959 	volatile uint8_t ESGCTRL2;
1960 	/* 0xa3: eSPI General Control 3 */
1961 	volatile uint8_t ESGCTRL3;
1962 	/* 0xa4-0xaf: Reserved5 */
1963 	volatile uint8_t reserved5[12];
1964 
1965 	/* 0xb0: eSPI Upstream Control 0 */
1966 	volatile uint8_t ESUCTRL0;
1967 	/* 0xb1: eSPI Upstream Control 1 */
1968 	volatile uint8_t ESUCTRL1;
1969 	/* 0xb2: eSPI Upstream Control 2 */
1970 	volatile uint8_t ESUCTRL2;
1971 	/* 0xb3: eSPI Upstream Control 3 */
1972 	volatile uint8_t ESUCTRL3;
1973 	/* 0xb4-0xb5: Reserved6 */
1974 	volatile uint8_t reserved6[2];
1975 	/* 0xb6: eSPI Upstream Control 6 */
1976 	volatile uint8_t ESUCTRL6;
1977 	/* 0xb7: eSPI Upstream Control 7 */
1978 	volatile uint8_t ESUCTRL7;
1979 	/* 0xb8: eSPI Upstream Control 8 */
1980 	volatile uint8_t ESUCTRL8;
1981 	/* 0xb9-0xbf: Reserved7 */
1982 	volatile uint8_t reserved7[7];
1983 
1984 	/* 0xc0: eSPI OOB Control 0 */
1985 	volatile uint8_t ESOCTRL0;
1986 	/* 0xc1: eSPI OOB Control 1 */
1987 	volatile uint8_t ESOCTRL1;
1988 	/* 0xc2-0xc3: Reserved8 */
1989 	volatile uint8_t reserved8[2];
1990 	/* 0xc4: eSPI OOB Control 4 */
1991 	volatile uint8_t ESOCTRL4;
1992 	/* 0xc5-0xcf: Reserved9 */
1993 	volatile uint8_t reserved9[11];
1994 
1995 	/* 0xd0: eSPI SAFS Control 0 */
1996 	volatile uint8_t ESPISAFSC0;
1997 	/* 0xd1: eSPI SAFS Control 1 */
1998 	volatile uint8_t ESPISAFSC1;
1999 	/* 0xd2: eSPI SAFS Control 2 */
2000 	volatile uint8_t ESPISAFSC2;
2001 	/* 0xd3: eSPI SAFS Control 3 */
2002 	volatile uint8_t ESPISAFSC3;
2003 	/* 0xd4: eSPI SAFS Control 4 */
2004 	volatile uint8_t ESPISAFSC4;
2005 	/* 0xd5: eSPI SAFS Control 5 */
2006 	volatile uint8_t ESPISAFSC5;
2007 	/* 0xd6: eSPI SAFS Control 6 */
2008 	volatile uint8_t ESPISAFSC6;
2009 	/* 0xd7: eSPI SAFS Control 7 */
2010 	volatile uint8_t ESPISAFSC7;
2011 };
2012 
2013 /*
2014  * eSPI VW registers
2015  */
2016 struct espi_vw_regs {
2017 	/* 0x00-0x7f: VW index */
2018 	volatile uint8_t VW_INDEX[0x80];
2019 	/* 0x80-0x8f: Reserved1 */
2020 	volatile uint8_t reserved1[0x10];
2021 	/* 0x90: VW Contrl 0 */
2022 	volatile uint8_t VWCTRL0;
2023 	/* 0x91: VW Contrl 1 */
2024 	volatile uint8_t VWCTRL1;
2025 	/* 0x92: VW Contrl 2 */
2026 	volatile uint8_t VWCTRL2;
2027 	/* 0x93: VW Contrl 3 */
2028 	volatile uint8_t VWCTRL3;
2029 	/* 0x94: Reserved2 */
2030 	volatile uint8_t reserved2;
2031 	/* 0x95: VW Contrl 5 */
2032 	volatile uint8_t VWCTRL5;
2033 	/* 0x96: VW Contrl 6 */
2034 	volatile uint8_t VWCTRL6;
2035 	/* 0x97: VW Contrl 7 */
2036 	volatile uint8_t VWCTRL7;
2037 	/* 0x98-0x99: Reserved3 */
2038 	volatile uint8_t reserved3[2];
2039 };
2040 
2041 #define ESPI_IT8XXX2_OOB_MAX_PAYLOAD_SIZE 80
2042 /*
2043  * eSPI Queue 0 registers
2044  */
2045 struct espi_queue0_regs {
2046 	/* 0x00-0x3f: PUT_PC Data Byte 0-63 */
2047 	volatile uint8_t PUT_PC_DATA[0x40];
2048 	/* 0x40-0x7f: Reserved1 */
2049 	volatile uint8_t reserved1[0x40];
2050 	/* 0x80-0xcf: PUT_OOB Data Byte 0-79 */
2051 	volatile uint8_t PUT_OOB_DATA[ESPI_IT8XXX2_OOB_MAX_PAYLOAD_SIZE];
2052 };
2053 
2054 /*
2055  * eSPI Queue 1 registers
2056  */
2057 struct espi_queue1_regs {
2058 	/* 0x00-0x4f: Upstream Data Byte 0-79 */
2059 	volatile uint8_t UPSTREAM_DATA[ESPI_IT8XXX2_OOB_MAX_PAYLOAD_SIZE];
2060 	/* 0x50-0x7f: Reserved1 */
2061 	volatile uint8_t reserved1[0x30];
2062 	/* 0x80-0xbf: PUT_FLASH_NP Data Byte 0-63 */
2063 	volatile uint8_t PUT_FLASH_NP_DATA[0x40];
2064 };
2065 
2066 #endif /* !__ASSEMBLER__ */
2067 
2068 
2069 /**
2070  *
2071  * (3Axxh) SPI Slave Controller (SPISC) registers
2072  *
2073  */
2074 #ifndef __ASSEMBLER__
2075 struct spisc_it8xxx2_regs {
2076 	/* 0x00: SPI Slave General Control */
2077 	volatile uint8_t SPISC_SPISGCR;
2078 	/* 0x01: Tx/Rx FIFO Access */
2079 	volatile uint8_t SPISC_TXRXFAR;
2080 	/* 0x02: Tx FIFO Control */
2081 	volatile uint8_t SPISC_TXFCR;
2082 	/* 0x03: SPI Slave General Control 2 */
2083 	volatile uint8_t SPISC_SPISGCR2;
2084 	/* 0x04: Interrupt Mask */
2085 	volatile uint8_t SPISC_IMR;
2086 	/* 0x05: Interrupt Status */
2087 	volatile uint8_t SPISC_ISR;
2088 	/* 0x06: Tx FIFO Status */
2089 	volatile uint8_t SPISC_TXFSR;
2090 	/* 0x07: Rx FIFO Status */
2091 	volatile uint8_t SPISC_RXFSR;
2092 	/* 0x08: CPU Write Tx FIFO Data Byte0 */
2093 	volatile uint8_t SPISC_CPUWTXFDB0R;
2094 	/* 0x09: FIFO Control / CPU Write Tx FIFO Data Byte1 */
2095 	volatile uint8_t SPISC_FCR;
2096 	/* 0x0A: CPU Write Tx FIFO Data Byte2 */
2097 	volatile uint8_t SPISC_CPUWTXFDB2R;
2098 	/* 0x0B: SPI Slave Response Data / CPU Write Tx FIFO Data Byte3 */
2099 	volatile uint8_t SPISC_SPISRDR;
2100 	/* 0x0C: Rx FIFO Readout Data Byte0 */
2101 	volatile uint8_t SPISC_RXFRDRB0;
2102 	/* 0x0D: Rx FIFO Readout Data Byte1 */
2103 	volatile uint8_t SPISC_RXFRDRB1;
2104 	/* 0x0E: Rx FIFO Readout Data Byte2 */
2105 	volatile uint8_t SPISC_RXFRDRB2;
2106 	/* 0x0F: Rx FIFO Readout Data Byte3 */
2107 	volatile uint8_t SPISC_RXFRDRB3;
2108 	/* 0x10-0x17: Reserved1 */
2109 	volatile uint8_t reserved1[8];
2110 	/* 0x18: FIFO Target Count Byte0 */
2111 	volatile uint8_t SPISC_FTCB0R;
2112 	/* 0x19: FIFO Target Count Byte1 */
2113 	volatile uint8_t SPISC_FTCB1R;
2114 	/* 0x1A: Target Count Capture Byte0 */
2115 	volatile uint8_t SPISC_TCCB0;
2116 	/* 0x1B: Target Count Capture Byte1 */
2117 	volatile uint8_t SPISC_TCCB1;
2118 	/* 0x1C-0x1D: Reserved2 */
2119 	volatile uint8_t reserved2[2];
2120 	/* 0x1E: Hardware Parsing 2 */
2121 	volatile uint8_t SPISC_HPR2;
2122 	/* 0x1F-0x25: Reserved3 */
2123 	volatile uint8_t reserved3[7];
2124 	/* 0x26: Rx Valid Length Interrupt Status Mask */
2125 	volatile uint8_t SPISC_RXVLISMR;
2126 	/* 0x27: Rx Valid Length Interrupt Status */
2127 	volatile uint8_t SPISC_RXVLISR;
2128 };
2129 #endif /* !__ASSEMBLER__ */
2130 
2131 /* SPISC register fields */
2132 /* 0x00: SPI Slave General Control */
2133 #define IT8XXX2_SPISC_SPISCEN		BIT(0)
2134 /* 0x01: Tx/Rx FIFO Access */
2135 #define IT8XXX2_SPISC_CPURXF1A		BIT(3)
2136 #define IT8XXX2_SPISC_CPUTFA		BIT(1)
2137 /* 0x02: Tx FIFO Control */
2138 #define IT8XXX2_SPISC_TXFCMR		BIT(2)
2139 #define IT8XXX2_SPISC_TXFR		BIT(1)
2140 #define IT8XXX2_SPISC_TXFS		BIT(0)
2141 /* 0x03: SPI Slave General Control 2 */
2142 #define IT8XXX2_SPISC_RXF2OC		BIT(4)
2143 #define IT8XXX2_SPISC_RXF1OC		BIT(3)
2144 #define IT8XXX2_SPISC_RXFAR		BIT(0)
2145 /* 0x04: Interrupt Mask */
2146 #define IT8XXX2_SPISC_EDIM		BIT(2)
2147 /* 0x06: Tx FIFO Status */
2148 #define IT8XXX2_SPISC_ENDDETECTINT	BIT(2)
2149 /* 0x09: FIFO Control */
2150 #define IT8XXX2_SPISC_SPISRTXF		BIT(2)
2151 #define IT8XXX2_SPISC_RXFR		BIT(1)
2152 #define IT8XXX2_SPISC_RXFCMR		BIT(0)
2153 /* 0x26: Rx Valid Length Interrupt Status Mask */
2154 #define IT8XXX2_SPISC_RVLIM		BIT(0)
2155 /* 0x27: Rx Valid Length Interrupt Status */
2156 #define IT8XXX2_SPISC_RVLI		BIT(0)
2157 
2158 #endif /* CHIP_CHIPREGS_H */
2159