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
|
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#ifndef SOUTHBRIDGE_INTEL_I82801GX_I82801GX_H
#define SOUTHBRIDGE_INTEL_I82801GX_I82801GX_H
/*
* It does not matter where we put the SMBus I/O base, as long as we
* keep it consistent and don't interfere with other devices. Stage2
* will relocate this anyways.
* Our solution is to have SMB initialization move the I/O to SMBUS_IO_BASE
* again. But handling static BARs is a generic problem that should be
* solved in the device allocator.
*/
#define SMBUS_IO_BASE 0x0400
/* TODO Make sure these don't get changed by stage2 */
#define DEFAULT_GPIOBASE 0x0480
#define DEFAULT_PMBASE 0x0500
#include <southbridge/intel/common/rcba.h>
#ifndef __ACPI__
#define DEBUG_PERIODIC_SMIS 0
#include <device/device.h>
void i82801gx_enable(struct device *dev);
void i82801gx_lpc_setup(void);
void i82801gx_setup_bars(void);
void i82801gx_early_init(void);
#if ENV_ROMSTAGE
int smbus_read_byte(unsigned int device, unsigned int address);
int i2c_eeprom_read(unsigned int device, unsigned int cmd, unsigned int bytes,
u8 *buf);
int smbus_block_read(unsigned int device, unsigned int cmd, u8 bytes, u8 *buf);
int smbus_block_write(unsigned int device, unsigned int cmd, u8 bytes,
const u8 *buf);
void ich7_setup_cir(void);
#endif
#define MAINBOARD_POWER_OFF 0
#define MAINBOARD_POWER_ON 1
#define MAINBOARD_POWER_KEEP 2
/* PCI Configuration Space (D30:F0): PCI2PCI */
#define PSTS 0x06
#define SMLT 0x1b
#define SECSTS 0x1e
#define INTR 0x3c
#define ICH_PCIE_DEV_SLOT 28
/* PCI Configuration Space (D31:F0): LPC */
#define SERIRQ_CNTL 0x64
#define GEN_PMCON_1 0xa0
#define GEN_PMCON_2 0xa2
#define GEN_PMCON_3 0xa4
#define GPIO_ROUT 0xb8
#define GPI_DISABLE 0x00
#define GPI_IS_SMI 0x01
#define GPI_IS_SCI 0x02
#define GPI_IS_NMI 0x03
#define FDVCT 0xe4
#define PCIE_4_PORTS_MAX (1 << 7)
#define AHCI_UNSUPPORTED (1 << 3)
/* GEN_PMCON_3 bits */
#define RTC_BATTERY_DEAD (1 << 2)
#define RTC_POWER_FAILED (1 << 1)
#define SLEEP_AFTER_POWER_FAIL (1 << 0)
#define ACPI_CNTL 0x44
#define ACPI_EN (1 << 7)
#define BIOS_CNTL 0xDC
#define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */
#define GPIO_CNTL 0x4C /* LPC GPIO Control Register */
#define GPIO_EN (1 << 4)
#define PIRQA_ROUT 0x60
#define PIRQB_ROUT 0x61
#define PIRQC_ROUT 0x62
#define PIRQD_ROUT 0x63
#define PIRQE_ROUT 0x68
#define PIRQF_ROUT 0x69
#define PIRQG_ROUT 0x6A
#define PIRQH_ROUT 0x6B
#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[2:0] */
#define GEN1_DEC 0x84
#define GEN2_DEC 0x88
#define GEN3_DEC 0x8c
#define GEN4_DEC 0x90
/* PCI Configuration Space (D31:F1): IDE */
#define INTR_LN 0x3c
#define IDE_TIM_PRI 0x40 /* IDE timings, primary */
#define IDE_DECODE_ENABLE (1 << 15)
#define IDE_SITRE (1 << 14)
#define IDE_ISP_5_CLOCKS (0 << 12)
#define IDE_ISP_4_CLOCKS (1 << 12)
#define IDE_ISP_3_CLOCKS (2 << 12)
#define IDE_RCT_4_CLOCKS (0 << 8)
#define IDE_RCT_3_CLOCKS (1 << 8)
#define IDE_RCT_2_CLOCKS (2 << 8)
#define IDE_RCT_1_CLOCKS (3 << 8)
#define IDE_DTE1 (1 << 7)
#define IDE_PPE1 (1 << 6)
#define IDE_IE1 (1 << 5)
#define IDE_TIME1 (1 << 4)
#define IDE_DTE0 (1 << 3)
#define IDE_PPE0 (1 << 2)
#define IDE_IE0 (1 << 1)
#define IDE_TIME0 (1 << 0)
#define IDE_TIM_SEC 0x42 /* IDE timings, secondary */
#define IDE_SDMA_CNT 0x48 /* Synchronous DMA control */
#define IDE_SSDE1 (1 << 3)
#define IDE_SSDE0 (1 << 2)
#define IDE_PSDE1 (1 << 1)
#define IDE_PSDE0 (1 << 0)
#define IDE_SDMA_TIM 0x4a
#define IDE_CONFIG 0x54 /* IDE I/O Configuration Register */
#define SIG_MODE_SEC_NORMAL (0 << 18)
#define SIG_MODE_SEC_TRISTATE (1 << 18)
#define SIG_MODE_SEC_DRIVELOW (2 << 18)
#define SIG_MODE_PRI_NORMAL (0 << 16)
#define SIG_MODE_PRI_TRISTATE (1 << 16)
#define SIG_MODE_PRI_DRIVELOW (2 << 16)
#define FAST_SCB1 (1 << 15)
#define FAST_SCB0 (1 << 14)
#define FAST_PCB1 (1 << 13)
#define FAST_PCB0 (1 << 12)
#define SCB1 (1 << 3)
#define SCB0 (1 << 2)
#define PCB1 (1 << 1)
#define PCB0 (1 << 0)
/* PCI Configuration Space (D31:F3): SMBus */
#define SMB_BASE 0x20
#define HOSTC 0x40
/* HOSTC bits */
#define I2C_EN (1 << 2)
#define SMB_SMI_EN (1 << 1)
#define HST_EN (1 << 0)
/* Southbridge IO BARs */
#define GPIOBASE 0x48
#define PMBASE 0x40
#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 ILCL 0x01a0 /* 32bit */
#define LCAP 0x01a4 /* 32bit */
#define LCTL 0x01a8 /* 16bit */
#define LSTS 0x01aa /* 16bit */
#define RPC 0x0224 /* 32bit */
#define RPFN 0x0238 /* 32bit */
/* Get the function number assigned to a Root Port */
#define RPFN_FNGET(reg, port) (((reg) >> ((port) * 4)) & 7)
/* Set the function number for a Root Port */
#define RPFN_FNSET(port, func) (((func) & 7) << ((port) * 4))
/* Root Port function number mask */
#define RPFN_FNMASK(port) (7 << ((port) * 4))
#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 D31IP 0x3100 /* 32bit */
#define D30IP 0x3104 /* 32bit */
#define D29IP 0x3108 /* 32bit */
#define D28IP 0x310c /* 32bit */
#define D27IP 0x3110 /* 32bit */
#define D31IR 0x3140 /* 16bit */
#define D30IR 0x3142 /* 16bit */
#define D29IR 0x3144 /* 16bit */
#define D28IR 0x3146 /* 16bit */
#define D27IR 0x3148 /* 16bit */
#define OIC 0x31ff /* 8bit */
#define RC 0x3400 /* 32bit */
#define HPTC 0x3404 /* 32bit */
#define GCS 0x3410 /* 32bit */
#define BUC 0x3414 /* 32bit */
#define FD 0x3418 /* 32bit */
#define CG 0x341c /* 32bit */
/* Function Disable (FD) register values.
* Setting a bit disables the corresponding
* feature.
* Not all features might be disabled on
* all chipsets. Esp. ICH-7U is picky.
*/
#define ICH_DISABLE_PCIE(x) (1 << (16 + (x)))
#define FD_EHCI (1 << 15)
#define FD_LPCB (1 << 14)
/* UHCI must be disabled from 4 downwards.
* If UHCI controllers get disabled, EHCI
* must know about it, too! */
#define ICH_DISABLE_UHCI(x) (1 << (8 + (x)))
#define FD_INTLAN (1 << 7)
#define FD_ACMOD (1 << 6)
#define FD_ACAUD (1 << 5)
#define FD_HDAUD (1 << 4)
#define FD_SMBUS (1 << 3)
#define FD_SATA (1 << 2)
#define FD_PATA (1 << 1)
/* 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 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 0x20 // mobile only
#define GPE0_STS 0x28
#define USB4_STS (1 << 14)
#define PME_B0_STS (1 << 13)
#define USB3_STS (1 << 12)
#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 AC97_STS (1 << 5)
#define USB2_STS (1 << 4)
#define USB1_STS (1 << 3)
#define SWGPE_STS (1 << 2)
#define HOT_PLUG_STS (1 << 1)
#define THRM_STS (1 << 0)
#define GPE0_EN 0x2c
#define PME_B0_EN (1 << 13)
#define PME_EN (1 << 11)
#define SMI_EN 0x30
#define EL_SMI_EN (1 << 25) // Intel Quick Resume Technology
#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 to 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_CNT 0x68
#endif /* __ACPI__ */
#endif /* SOUTHBRIDGE_INTEL_I82801GX_I82801GX_H */
|
