1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
|
/*
* Copyright (c) 2014 Google, Inc
*
* From Coreboot src/southbridge/intel/bd82x6x/pch.h
*
* Copyright (C) 2008-2009 coresystems GmbH
* Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0
*/
#ifndef _ASM_ARCH_PCH_H
#define _ASM_ARCH_PCH_H
#include <pci.h>
#define DEFAULT_GPIOBASE 0x0480
#define DEFAULT_PMBASE 0x0500
#define SMBUS_IO_BASE 0x0400
/* PCI Configuration Space (D30:F0): PCI2PCI */
#define PSTS 0x06
#define SMLT 0x1b
#define SECSTS 0x1e
#define INTR 0x3c
#define BCTRL 0x3e
#define SBR (1 << 6)
#define SEE (1 << 1)
#define PERE (1 << 0)
#define PCH_EHCI1_DEV PCI_BDF(0, 0x1d, 0)
#define PCH_EHCI2_DEV PCI_BDF(0, 0x1a, 0)
#define PCH_XHCI_DEV PCI_BDF(0, 0x14, 0)
#define PCH_ME_DEV PCI_BDF(0, 0x16, 0)
#define PCH_PCIE_DEV_SLOT 28
#define PCH_DEV PCI_BDF(0, 0, 0)
#define PCH_VIDEO_DEV PCI_BDF(0, 2, 0)
/* PCI Configuration Space (D31:F0): LPC */
#define PCH_LPC_DEV PCI_BDF(0, 0x1f, 0)
#define GEN_PMCON_1 0xa0
#define GEN_PMCON_2 0xa2
#define GEN_PMCON_3 0xa4
#define ETR3 0xac
#define ETR3_CWORWRE (1 << 18)
#define ETR3_CF9GR (1 << 20)
#define PMBASE 0x40
#define ACPI_CNTL 0x44
#define BIOS_CNTL 0xDC
#define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */
#define GPIO_CNTL 0x4C /* LPC GPIO Control Register */
#define GPIO_ROUT 0xb8
#define LPC_IO_DEC 0x80 /* IO Decode Ranges Register */
#define LPC_EN 0x82 /* LPC IF Enables Register */
#define CNF2_LPC_EN (1 << 13) /* 0x4e/0x4f */
#define CNF1_LPC_EN (1 << 12) /* 0x2e/0x2f */
#define MC_LPC_EN (1 << 11) /* 0x62/0x66 */
#define KBC_LPC_EN (1 << 10) /* 0x60/0x64 */
#define GAMEH_LPC_EN (1 << 9) /* 0x208/0x20f */
#define GAMEL_LPC_EN (1 << 8) /* 0x200/0x207 */
#define FDD_LPC_EN (1 << 3) /* LPC_IO_DEC[12] */
#define LPT_LPC_EN (1 << 2) /* LPC_IO_DEC[9:8] */
#define COMB_LPC_EN (1 << 1) /* LPC_IO_DEC[6:4] */
#define COMA_LPC_EN (1 << 0) /* LPC_IO_DEC[3:2] */
#define LPC_GEN1_DEC 0x84 /* LPC IF Generic Decode Range 1 */
#define LPC_GEN2_DEC 0x88 /* LPC IF Generic Decode Range 2 */
#define LPC_GEN3_DEC 0x8c /* LPC IF Generic Decode Range 3 */
#define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */
#define LPC_GENX_DEC(x) (0x84 + 4 * (x))
/* PCI Configuration Space (D31:F3): SMBus */
#define PCH_SMBUS_DEV PCI_BDF(0, 0x1f, 3)
#define SMB_BASE 0x20
#define HOSTC 0x40
#define SMB_RCV_SLVA 0x09
/* HOSTC bits */
#define I2C_EN (1 << 2)
#define SMB_SMI_EN (1 << 1)
#define HST_EN (1 << 0)
/* SMBus I/O bits. */
#define SMBHSTSTAT 0x0
#define SMBHSTCTL 0x2
#define SMBHSTCMD 0x3
#define SMBXMITADD 0x4
#define SMBHSTDAT0 0x5
#define SMBHSTDAT1 0x6
#define SMBBLKDAT 0x7
#define SMBTRNSADD 0x9
#define SMBSLVDATA 0xa
#define SMLINK_PIN_CTL 0xe
#define SMBUS_PIN_CTL 0xf
#define SMBUS_TIMEOUT (10 * 1000 * 100)
/* Root Complex Register Block */
#define DEFAULT_RCBA 0xfed1c000
#define RCB_REG(reg) (DEFAULT_RCBA + (reg))
#define PCH_RCBA_BASE 0xf0
#define VCH 0x0000 /* 32bit */
#define VCAP1 0x0004 /* 32bit */
#define VCAP2 0x0008 /* 32bit */
#define PVC 0x000c /* 16bit */
#define PVS 0x000e /* 16bit */
#define V0CAP 0x0010 /* 32bit */
#define V0CTL 0x0014 /* 32bit */
#define V0STS 0x001a /* 16bit */
#define V1CAP 0x001c /* 32bit */
#define V1CTL 0x0020 /* 32bit */
#define V1STS 0x0026 /* 16bit */
#define RCTCL 0x0100 /* 32bit */
#define ESD 0x0104 /* 32bit */
#define ULD 0x0110 /* 32bit */
#define ULBA 0x0118 /* 64bit */
#define RP1D 0x0120 /* 32bit */
#define RP1BA 0x0128 /* 64bit */
#define RP2D 0x0130 /* 32bit */
#define RP2BA 0x0138 /* 64bit */
#define RP3D 0x0140 /* 32bit */
#define RP3BA 0x0148 /* 64bit */
#define RP4D 0x0150 /* 32bit */
#define RP4BA 0x0158 /* 64bit */
#define HDD 0x0160 /* 32bit */
#define HDBA 0x0168 /* 64bit */
#define RP5D 0x0170 /* 32bit */
#define RP5BA 0x0178 /* 64bit */
#define RP6D 0x0180 /* 32bit */
#define RP6BA 0x0188 /* 64bit */
#define RPC 0x0400 /* 32bit */
#define RPFN 0x0404 /* 32bit */
#define TRSR 0x1e00 /* 8bit */
#define TRCR 0x1e10 /* 64bit */
#define TWDR 0x1e18 /* 64bit */
#define IOTR0 0x1e80 /* 64bit */
#define IOTR1 0x1e88 /* 64bit */
#define IOTR2 0x1e90 /* 64bit */
#define IOTR3 0x1e98 /* 64bit */
#define TCTL 0x3000 /* 8bit */
#define NOINT 0
#define INTA 1
#define INTB 2
#define INTC 3
#define INTD 4
#define DIR_IDR 12 /* Interrupt D Pin Offset */
#define DIR_ICR 8 /* Interrupt C Pin Offset */
#define DIR_IBR 4 /* Interrupt B Pin Offset */
#define DIR_IAR 0 /* Interrupt A Pin Offset */
#define PIRQA 0
#define PIRQB 1
#define PIRQC 2
#define PIRQD 3
#define PIRQE 4
#define PIRQF 5
#define PIRQG 6
#define PIRQH 7
/* IO Buffer Programming */
#define IOBPIRI 0x2330
#define IOBPD 0x2334
#define IOBPS 0x2338
#define IOBPS_RW_BX ((1 << 9)|(1 << 10))
#define IOBPS_WRITE_AX ((1 << 9)|(1 << 10))
#define IOBPS_READ_AX ((1 << 8)|(1 << 9)|(1 << 10))
#define D31IP 0x3100 /* 32bit */
#define D31IP_TTIP 24 /* Thermal Throttle Pin */
#define D31IP_SIP2 20 /* SATA Pin 2 */
#define D31IP_SMIP 12 /* SMBUS Pin */
#define D31IP_SIP 8 /* SATA Pin */
#define D30IP 0x3104 /* 32bit */
#define D30IP_PIP 0 /* PCI Bridge Pin */
#define D29IP 0x3108 /* 32bit */
#define D29IP_E1P 0 /* EHCI #1 Pin */
#define D28IP 0x310c /* 32bit */
#define D28IP_P8IP 28 /* PCI Express Port 8 */
#define D28IP_P7IP 24 /* PCI Express Port 7 */
#define D28IP_P6IP 20 /* PCI Express Port 6 */
#define D28IP_P5IP 16 /* PCI Express Port 5 */
#define D28IP_P4IP 12 /* PCI Express Port 4 */
#define D28IP_P3IP 8 /* PCI Express Port 3 */
#define D28IP_P2IP 4 /* PCI Express Port 2 */
#define D28IP_P1IP 0 /* PCI Express Port 1 */
#define D27IP 0x3110 /* 32bit */
#define D27IP_ZIP 0 /* HD Audio Pin */
#define D26IP 0x3114 /* 32bit */
#define D26IP_E2P 0 /* EHCI #2 Pin */
#define D25IP 0x3118 /* 32bit */
#define D25IP_LIP 0 /* GbE LAN Pin */
#define D22IP 0x3124 /* 32bit */
#define D22IP_KTIP 12 /* KT Pin */
#define D22IP_IDERIP 8 /* IDE-R Pin */
#define D22IP_MEI2IP 4 /* MEI #2 Pin */
#define D22IP_MEI1IP 0 /* MEI #1 Pin */
#define D20IP 0x3128 /* 32bit */
#define D20IP_XHCIIP 0
#define D31IR 0x3140 /* 16bit */
#define D30IR 0x3142 /* 16bit */
#define D29IR 0x3144 /* 16bit */
#define D28IR 0x3146 /* 16bit */
#define D27IR 0x3148 /* 16bit */
#define D26IR 0x314c /* 16bit */
#define D25IR 0x3150 /* 16bit */
#define D22IR 0x315c /* 16bit */
#define D20IR 0x3160 /* 16bit */
#define OIC 0x31fe /* 16bit */
#define SPI_FREQ_SWSEQ 0x3893
#define SPI_DESC_COMP0 0x38b0
#define SPI_FREQ_WR_ERA 0x38b4
#define SOFT_RESET_CTRL 0x38f4
#define SOFT_RESET_DATA 0x38f8
#define DIR_ROUTE(a, b, c, d) \
(((d) << DIR_IDR) | ((c) << DIR_ICR) | \
((b) << DIR_IBR) | ((a) << DIR_IAR))
#define RC 0x3400 /* 32bit */
#define HPTC 0x3404 /* 32bit */
#define GCS 0x3410 /* 32bit */
#define BUC 0x3414 /* 32bit */
#define PCH_DISABLE_GBE (1 << 5)
#define FD 0x3418 /* 32bit */
#define DISPBDF 0x3424 /* 16bit */
#define FD2 0x3428 /* 32bit */
#define CG 0x341c /* 32bit */
/* Function Disable 1 RCBA 0x3418 */
#define PCH_DISABLE_ALWAYS ((1 << 0)|(1 << 26))
#define PCH_DISABLE_P2P (1 << 1)
#define PCH_DISABLE_SATA1 (1 << 2)
#define PCH_DISABLE_SMBUS (1 << 3)
#define PCH_DISABLE_HD_AUDIO (1 << 4)
#define PCH_DISABLE_EHCI2 (1 << 13)
#define PCH_DISABLE_LPC (1 << 14)
#define PCH_DISABLE_EHCI1 (1 << 15)
#define PCH_DISABLE_PCIE(x) (1 << (16 + x))
#define PCH_DISABLE_THERMAL (1 << 24)
#define PCH_DISABLE_SATA2 (1 << 25)
#define PCH_DISABLE_XHCI (1 << 27)
/* Function Disable 2 RCBA 0x3428 */
#define PCH_DISABLE_KT (1 << 4)
#define PCH_DISABLE_IDER (1 << 3)
#define PCH_DISABLE_MEI2 (1 << 2)
#define PCH_DISABLE_MEI1 (1 << 1)
#define PCH_ENABLE_DBDF (1 << 0)
/* ICH7 GPIOBASE */
#define GPIO_USE_SEL 0x00
#define GP_IO_SEL 0x04
#define GP_LVL 0x0c
#define GPO_BLINK 0x18
#define GPI_INV 0x2c
#define GPIO_USE_SEL2 0x30
#define GP_IO_SEL2 0x34
#define GP_LVL2 0x38
#define GPIO_USE_SEL3 0x40
#define GP_IO_SEL3 0x44
#define GP_LVL3 0x48
#define GP_RST_SEL1 0x60
#define GP_RST_SEL2 0x64
#define GP_RST_SEL3 0x68
/* ICH7 PMBASE */
#define PM1_STS 0x00
#define WAK_STS (1 << 15)
#define PCIEXPWAK_STS (1 << 14)
#define PRBTNOR_STS (1 << 11)
#define RTC_STS (1 << 10)
#define PWRBTN_STS (1 << 8)
#define GBL_STS (1 << 5)
#define BM_STS (1 << 4)
#define TMROF_STS (1 << 0)
#define PM1_EN 0x02
#define PCIEXPWAK_DIS (1 << 14)
#define RTC_EN (1 << 10)
#define PWRBTN_EN (1 << 8)
#define GBL_EN (1 << 5)
#define TMROF_EN (1 << 0)
#define PM1_CNT 0x04
#define SLP_EN (1 << 13)
#define SLP_TYP (7 << 10)
#define SLP_TYP_S0 0
#define SLP_TYP_S1 1
#define SLP_TYP_S3 5
#define SLP_TYP_S4 6
#define SLP_TYP_S5 7
#define GBL_RLS (1 << 2)
#define BM_RLD (1 << 1)
#define SCI_EN (1 << 0)
#define PM1_TMR 0x08
#define PROC_CNT 0x10
#define LV2 0x14
#define LV3 0x15
#define LV4 0x16
#define PM2_CNT 0x50 /* mobile only */
#define GPE0_STS 0x20
#define PME_B0_STS (1 << 13)
#define PME_STS (1 << 11)
#define BATLOW_STS (1 << 10)
#define PCI_EXP_STS (1 << 9)
#define RI_STS (1 << 8)
#define SMB_WAK_STS (1 << 7)
#define TCOSCI_STS (1 << 6)
#define SWGPE_STS (1 << 2)
#define HOT_PLUG_STS (1 << 1)
#define GPE0_EN 0x28
#define PME_B0_EN (1 << 13)
#define PME_EN (1 << 11)
#define TCOSCI_EN (1 << 6)
#define SMI_EN 0x30
#define INTEL_USB2_EN (1 << 18) /* Intel-Specific USB2 SMI logic */
#define LEGACY_USB2_EN (1 << 17) /* Legacy USB2 SMI logic */
#define PERIODIC_EN (1 << 14) /* SMI on PERIODIC_STS in SMI_STS */
#define TCO_EN (1 << 13) /* Enable TCO Logic (BIOSWE et al) */
#define MCSMI_EN (1 << 11) /* Trap microcontroller range access */
#define BIOS_RLS (1 << 7) /* asserts SCI on bit set */
#define SWSMI_TMR_EN (1 << 6) /* start software smi timer on bit set */
#define APMC_EN (1 << 5) /* Writes to APM_CNT cause SMI# */
#define SLP_SMI_EN (1 << 4) /* Write SLP_EN in PM1_CNT asserts SMI# */
#define LEGACY_USB_EN (1 << 3) /* Legacy USB circuit SMI logic */
#define BIOS_EN (1 << 2) /* Assert SMI# on setting GBL_RLS bit */
#define EOS (1 << 1) /* End of SMI (deassert SMI#) */
#define GBL_SMI_EN (1 << 0) /* SMI# generation at all? */
#define SMI_STS 0x34
#define ALT_GP_SMI_EN 0x38
#define ALT_GP_SMI_STS 0x3a
#define GPE_CNTL 0x42
#define DEVACT_STS 0x44
#define SS_CNT 0x50
#define C3_RES 0x54
#define TCO1_STS 0x64
#define DMISCI_STS (1 << 9)
#define TCO2_STS 0x66
int lpc_init(struct pci_controller *hose, pci_dev_t dev);
void lpc_enable(pci_dev_t dev);
/**
* lpc_early_init() - set up LPC serial ports and other early things
*
* @blob: Device tree blob
* @node: Offset of LPC node
* @dev: PCH PCI device containing the LPC
* @return 0 if OK, -ve on error
*/
int lpc_early_init(const void *blob, int node, pci_dev_t dev);
#endif
|