blob: 121167178ffc0d1ccb922397fc34e9d13c53f044 [file] [log] [blame]
Stefan Reinauer8e073822012-04-04 00:07:22 +02001/*
2 * This file is part of the coreboot project.
3 *
4 * Copyright (C) 2008-2009 coresystems GmbH
Duncan Laurieb9fe01c2012-04-27 10:30:51 -07005 * Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
Stefan Reinauer8e073822012-04-04 00:07:22 +02006 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#ifndef SOUTHBRIDGE_INTEL_BD82X6X_PCH_H
22#define SOUTHBRIDGE_INTEL_BD82X6X_PCH_H
23
Duncan Laurieb9fe01c2012-04-27 10:30:51 -070024/* PCH types */
25#define PCH_TYPE_CPT 0x1c /* CougarPoint */
26#define PCH_TYPE_PPT 0x1e /* IvyBridge */
27
Stefan Reinauer8e073822012-04-04 00:07:22 +020028/* PCH stepping values for LPC device */
29#define PCH_STEP_A0 0
30#define PCH_STEP_A1 1
31#define PCH_STEP_B0 2
32#define PCH_STEP_B1 3
33#define PCH_STEP_B2 4
34#define PCH_STEP_B3 5
35
36/*
37 * It does not matter where we put the SMBus I/O base, as long as we
38 * keep it consistent and don't interfere with other devices. Stage2
39 * will relocate this anyways.
40 * Our solution is to have SMB initialization move the I/O to SMBUS_IO_BASE
41 * again. But handling static BARs is a generic problem that should be
42 * solved in the device allocator.
43 */
44#define SMBUS_IO_BASE 0x0400
45#define SMBUS_SLAVE_ADDR 0x24
46/* TODO Make sure these don't get changed by stage2 */
47#define DEFAULT_GPIOBASE 0x0480
48#define DEFAULT_PMBASE 0x0500
49
Stefan Reinauer8e073822012-04-04 00:07:22 +020050#define DEFAULT_RCBA 0xfed1c000
51
52#ifndef __ACPI__
53#define DEBUG_PERIODIC_SMIS 0
54
55#if defined (__SMM__) && !defined(__ASSEMBLER__)
56void intel_pch_finalize_smm(void);
57#endif
58
59#if !defined(__ASSEMBLER__) && !defined(__ROMCC__)
60#if !defined(__PRE_RAM__) && !defined(__SMM__)
61#include "chip.h"
62int pch_silicon_revision(void);
Duncan Laurieb9fe01c2012-04-27 10:30:51 -070063int pch_silicon_type(void);
64int pch_silicon_supported(int type, int rev);
Stefan Reinauer8e073822012-04-04 00:07:22 +020065void pch_enable(device_t dev);
66void pch_iobp_update(u32 address, u32 andvalue, u32 orvalue);
Duncan Laurie800e9502012-06-23 17:06:47 -070067#if CONFIG_ELOG
68void pch_log_state(void);
69#endif
Stefan Reinauer8e073822012-04-04 00:07:22 +020070#else
71void enable_smbus(void);
72void enable_usb_bar(void);
73int smbus_read_byte(unsigned device, unsigned address);
Duncan Lauried4bc0672012-10-11 13:04:14 -070074int early_spi_read(u32 offset, u32 size, u8 *buffer);
Stefan Reinauer8e073822012-04-04 00:07:22 +020075#endif
76#endif
77
78#define MAINBOARD_POWER_OFF 0
79#define MAINBOARD_POWER_ON 1
80#define MAINBOARD_POWER_KEEP 2
81
82#ifndef CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL
83#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON
84#endif
85
86/* PCI Configuration Space (D30:F0): PCI2PCI */
87#define PSTS 0x06
88#define SMLT 0x1b
89#define SECSTS 0x1e
90#define INTR 0x3c
91#define BCTRL 0x3e
92#define SBR (1 << 6)
93#define SEE (1 << 1)
94#define PERE (1 << 0)
95
96#define PCH_EHCI1_DEV PCI_DEV(0, 0x1d, 0)
97#define PCH_EHCI2_DEV PCI_DEV(0, 0x1a, 0)
98#define PCH_ME_DEV PCI_DEV(0, 0x16, 0)
99#define PCH_PCIE_DEV_SLOT 28
100
101/* PCI Configuration Space (D31:F0): LPC */
102#define PCH_LPC_DEV PCI_DEV(0, 0x1f, 0)
103#define SERIRQ_CNTL 0x64
104
105#define GEN_PMCON_1 0xa0
106#define GEN_PMCON_2 0xa2
107#define GEN_PMCON_3 0xa4
108#define ETR3 0xac
109#define ETR3_CWORWRE (1 << 18)
110#define ETR3_CF9GR (1 << 20)
111
112/* GEN_PMCON_3 bits */
113#define RTC_BATTERY_DEAD (1 << 2)
114#define RTC_POWER_FAILED (1 << 1)
115#define SLEEP_AFTER_POWER_FAIL (1 << 0)
116
117#define PMBASE 0x40
118#define ACPI_CNTL 0x44
119#define BIOS_CNTL 0xDC
120#define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */
121#define GPIO_CNTL 0x4C /* LPC GPIO Control Register */
122#define GPIO_ROUT 0xb8
123
124#define PIRQA_ROUT 0x60
125#define PIRQB_ROUT 0x61
126#define PIRQC_ROUT 0x62
127#define PIRQD_ROUT 0x63
128#define PIRQE_ROUT 0x68
129#define PIRQF_ROUT 0x69
130#define PIRQG_ROUT 0x6A
131#define PIRQH_ROUT 0x6B
132
133#define LPC_IO_DEC 0x80 /* IO Decode Ranges Register */
134#define LPC_EN 0x82 /* LPC IF Enables Register */
135#define CNF2_LPC_EN (1 << 13) /* 0x4e/0x4f */
136#define CNF1_LPC_EN (1 << 12) /* 0x2e/0x2f */
137#define MC_LPC_EN (1 << 11) /* 0x62/0x66 */
138#define KBC_LPC_EN (1 << 10) /* 0x60/0x64 */
139#define GAMEH_LPC_EN (1 << 9) /* 0x208/0x20f */
140#define GAMEL_LPC_EN (1 << 8) /* 0x200/0x207 */
141#define FDD_LPC_EN (1 << 3) /* LPC_IO_DEC[12] */
142#define LPT_LPC_EN (1 << 2) /* LPC_IO_DEC[9:8] */
143#define COMB_LPC_EN (1 << 1) /* LPC_IO_DEC[6:4] */
144#define COMA_LPC_EN (1 << 0) /* LPC_IO_DEC[3:2] */
145#define LPC_GEN1_DEC 0x84 /* LPC IF Generic Decode Range 1 */
146#define LPC_GEN2_DEC 0x88 /* LPC IF Generic Decode Range 2 */
147#define LPC_GEN3_DEC 0x8c /* LPC IF Generic Decode Range 3 */
148#define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */
149
150/* PCI Configuration Space (D31:F1): IDE */
151#define PCH_IDE_DEV PCI_DEV(0, 0x1f, 1)
152#define PCH_SATA_DEV PCI_DEV(0, 0x1f, 2)
153#define PCH_SATA2_DEV PCI_DEV(0, 0x1f, 5)
154#define INTR_LN 0x3c
155#define IDE_TIM_PRI 0x40 /* IDE timings, primary */
156#define IDE_DECODE_ENABLE (1 << 15)
157#define IDE_SITRE (1 << 14)
158#define IDE_ISP_5_CLOCKS (0 << 12)
159#define IDE_ISP_4_CLOCKS (1 << 12)
160#define IDE_ISP_3_CLOCKS (2 << 12)
161#define IDE_RCT_4_CLOCKS (0 << 8)
162#define IDE_RCT_3_CLOCKS (1 << 8)
163#define IDE_RCT_2_CLOCKS (2 << 8)
164#define IDE_RCT_1_CLOCKS (3 << 8)
165#define IDE_DTE1 (1 << 7)
166#define IDE_PPE1 (1 << 6)
167#define IDE_IE1 (1 << 5)
168#define IDE_TIME1 (1 << 4)
169#define IDE_DTE0 (1 << 3)
170#define IDE_PPE0 (1 << 2)
171#define IDE_IE0 (1 << 1)
172#define IDE_TIME0 (1 << 0)
173#define IDE_TIM_SEC 0x42 /* IDE timings, secondary */
174
175#define IDE_SDMA_CNT 0x48 /* Synchronous DMA control */
176#define IDE_SSDE1 (1 << 3)
177#define IDE_SSDE0 (1 << 2)
178#define IDE_PSDE1 (1 << 1)
179#define IDE_PSDE0 (1 << 0)
180
181#define IDE_SDMA_TIM 0x4a
182
183#define IDE_CONFIG 0x54 /* IDE I/O Configuration Register */
184#define SIG_MODE_SEC_NORMAL (0 << 18)
185#define SIG_MODE_SEC_TRISTATE (1 << 18)
186#define SIG_MODE_SEC_DRIVELOW (2 << 18)
187#define SIG_MODE_PRI_NORMAL (0 << 16)
188#define SIG_MODE_PRI_TRISTATE (1 << 16)
189#define SIG_MODE_PRI_DRIVELOW (2 << 16)
190#define FAST_SCB1 (1 << 15)
191#define FAST_SCB0 (1 << 14)
192#define FAST_PCB1 (1 << 13)
193#define FAST_PCB0 (1 << 12)
194#define SCB1 (1 << 3)
195#define SCB0 (1 << 2)
196#define PCB1 (1 << 1)
197#define PCB0 (1 << 0)
198
Stefan Reinauer16b022a2012-07-17 16:42:51 -0700199#define SATA_SIRI 0xa0 /* SATA Indexed Register Index */
200#define SATA_SIRD 0xa4 /* SATA Indexed Register Data */
Stefan Reinauer8e073822012-04-04 00:07:22 +0200201#define SATA_SP 0xd0 /* Scratchpad */
202
Duncan Lauriecfb64bd2012-07-16 16:16:31 -0700203/* SATA IOBP Registers */
204#define SATA_IOBP_SP0G3IR 0xea000151
205#define SATA_IOBP_SP1G3IR 0xea000051
206
Stefan Reinauer8e073822012-04-04 00:07:22 +0200207/* PCI Configuration Space (D31:F3): SMBus */
208#define PCH_SMBUS_DEV PCI_DEV(0, 0x1f, 3)
209#define SMB_BASE 0x20
210#define HOSTC 0x40
211#define SMB_RCV_SLVA 0x09
212
213/* HOSTC bits */
214#define I2C_EN (1 << 2)
215#define SMB_SMI_EN (1 << 1)
216#define HST_EN (1 << 0)
217
218/* SMBus I/O bits. */
219#define SMBHSTSTAT 0x0
220#define SMBHSTCTL 0x2
221#define SMBHSTCMD 0x3
222#define SMBXMITADD 0x4
223#define SMBHSTDAT0 0x5
224#define SMBHSTDAT1 0x6
225#define SMBBLKDAT 0x7
226#define SMBTRNSADD 0x9
227#define SMBSLVDATA 0xa
228#define SMLINK_PIN_CTL 0xe
229#define SMBUS_PIN_CTL 0xf
230
231#define SMBUS_TIMEOUT (10 * 1000 * 100)
232
233
234/* Southbridge IO BARs */
235
236#define GPIOBASE 0x48
237
238#define PMBASE 0x40
239
240/* Root Complex Register Block */
241#define RCBA 0xf0
242
243#define RCBA8(x) *((volatile u8 *)(DEFAULT_RCBA + x))
244#define RCBA16(x) *((volatile u16 *)(DEFAULT_RCBA + x))
245#define RCBA32(x) *((volatile u32 *)(DEFAULT_RCBA + x))
246
247#define RCBA_AND_OR(bits, x, and, or) \
248 RCBA##bits(x) = ((RCBA##bits(x) & (and)) | (or))
249#define RCBA8_AND_OR(x, and, or) RCBA_AND_OR(8, x, and, or)
250#define RCBA16_AND_OR(x, and, or) RCBA_AND_OR(16, x, and, or)
251#define RCBA32_AND_OR(x, and, or) RCBA_AND_OR(32, x, and, or)
252#define RCBA32_OR(x, or) RCBA_AND_OR(32, x, ~0UL, or)
253
254#define VCH 0x0000 /* 32bit */
255#define VCAP1 0x0004 /* 32bit */
256#define VCAP2 0x0008 /* 32bit */
257#define PVC 0x000c /* 16bit */
258#define PVS 0x000e /* 16bit */
259
260#define V0CAP 0x0010 /* 32bit */
261#define V0CTL 0x0014 /* 32bit */
262#define V0STS 0x001a /* 16bit */
263
264#define V1CAP 0x001c /* 32bit */
265#define V1CTL 0x0020 /* 32bit */
266#define V1STS 0x0026 /* 16bit */
267
268#define RCTCL 0x0100 /* 32bit */
269#define ESD 0x0104 /* 32bit */
270#define ULD 0x0110 /* 32bit */
271#define ULBA 0x0118 /* 64bit */
272
273#define RP1D 0x0120 /* 32bit */
274#define RP1BA 0x0128 /* 64bit */
275#define RP2D 0x0130 /* 32bit */
276#define RP2BA 0x0138 /* 64bit */
277#define RP3D 0x0140 /* 32bit */
278#define RP3BA 0x0148 /* 64bit */
279#define RP4D 0x0150 /* 32bit */
280#define RP4BA 0x0158 /* 64bit */
281#define HDD 0x0160 /* 32bit */
282#define HDBA 0x0168 /* 64bit */
283#define RP5D 0x0170 /* 32bit */
284#define RP5BA 0x0178 /* 64bit */
285#define RP6D 0x0180 /* 32bit */
286#define RP6BA 0x0188 /* 64bit */
287
Duncan Laurieb9fe01c2012-04-27 10:30:51 -0700288#define RPC 0x0400 /* 32bit */
289#define RPFN 0x0404 /* 32bit */
290
291/* Root Port configuratinon space hide */
292#define RPFN_HIDE(port) (1 << (((port) * 4) + 3))
293/* Get the function number assigned to a Root Port */
294#define RPFN_FNGET(reg,port) (((reg) >> ((port) * 4)) & 7)
295/* Set the function number for a Root Port */
296#define RPFN_FNSET(port,func) (((func) & 7) << ((port) * 4))
297/* Root Port function number mask */
298#define RPFN_FNMASK(port) (7 << ((port) * 4))
Stefan Reinauer8e073822012-04-04 00:07:22 +0200299
300#define TRSR 0x1e00 /* 8bit */
301#define TRCR 0x1e10 /* 64bit */
302#define TWDR 0x1e18 /* 64bit */
303
304#define IOTR0 0x1e80 /* 64bit */
305#define IOTR1 0x1e88 /* 64bit */
306#define IOTR2 0x1e90 /* 64bit */
307#define IOTR3 0x1e98 /* 64bit */
308
309#define TCTL 0x3000 /* 8bit */
310
311#define NOINT 0
312#define INTA 1
313#define INTB 2
314#define INTC 3
315#define INTD 4
316
317#define DIR_IDR 12 /* Interrupt D Pin Offset */
318#define DIR_ICR 8 /* Interrupt C Pin Offset */
319#define DIR_IBR 4 /* Interrupt B Pin Offset */
320#define DIR_IAR 0 /* Interrupt A Pin Offset */
321
322#define PIRQA 0
323#define PIRQB 1
324#define PIRQC 2
325#define PIRQD 3
326#define PIRQE 4
327#define PIRQF 5
328#define PIRQG 6
329#define PIRQH 7
330
331/* IO Buffer Programming */
332#define IOBPIRI 0x2330
333#define IOBPD 0x2334
334#define IOBPS 0x2338
335#define IOBPS_RW_BX ((1 << 9)|(1 << 10))
336#define IOBPS_WRITE_AX ((1 << 9)|(1 << 10))
337#define IOBPS_READ_AX ((1 << 8)|(1 << 9)|(1 << 10))
338
339#define D31IP 0x3100 /* 32bit */
340#define D31IP_TTIP 24 /* Thermal Throttle Pin */
341#define D31IP_SIP2 20 /* SATA Pin 2 */
342#define D31IP_SMIP 12 /* SMBUS Pin */
343#define D31IP_SIP 8 /* SATA Pin */
344#define D30IP 0x3104 /* 32bit */
345#define D30IP_PIP 0 /* PCI Bridge Pin */
346#define D29IP 0x3108 /* 32bit */
347#define D29IP_E1P 0 /* EHCI #1 Pin */
348#define D28IP 0x310c /* 32bit */
349#define D28IP_P8IP 28 /* PCI Express Port 8 */
350#define D28IP_P7IP 24 /* PCI Express Port 7 */
351#define D28IP_P6IP 20 /* PCI Express Port 6 */
352#define D28IP_P5IP 16 /* PCI Express Port 5 */
353#define D28IP_P4IP 12 /* PCI Express Port 4 */
354#define D28IP_P3IP 8 /* PCI Express Port 3 */
355#define D28IP_P2IP 4 /* PCI Express Port 2 */
356#define D28IP_P1IP 0 /* PCI Express Port 1 */
357#define D27IP 0x3110 /* 32bit */
358#define D27IP_ZIP 0 /* HD Audio Pin */
359#define D26IP 0x3114 /* 32bit */
360#define D26IP_E2P 0 /* EHCI #2 Pin */
361#define D25IP 0x3118 /* 32bit */
362#define D25IP_LIP 0 /* GbE LAN Pin */
363#define D22IP 0x3124 /* 32bit */
364#define D22IP_KTIP 12 /* KT Pin */
365#define D22IP_IDERIP 8 /* IDE-R Pin */
366#define D22IP_MEI2IP 4 /* MEI #2 Pin */
367#define D22IP_MEI1IP 0 /* MEI #1 Pin */
368#define D31IR 0x3140 /* 16bit */
369#define D30IR 0x3142 /* 16bit */
370#define D29IR 0x3144 /* 16bit */
371#define D28IR 0x3146 /* 16bit */
372#define D27IR 0x3148 /* 16bit */
373#define D26IR 0x314c /* 16bit */
374#define D25IR 0x3150 /* 16bit */
375#define D22IR 0x315c /* 16bit */
376#define OIC 0x31fe /* 16bit */
Duncan Laurie22935e12012-07-09 09:58:35 -0700377#define SOFT_RESET_CTRL 0x38f4
378#define SOFT_RESET_DATA 0x38f8
Stefan Reinauer8e073822012-04-04 00:07:22 +0200379
380#define DIR_ROUTE(x,a,b,c,d) \
381 RCBA32(x) = (((d) << DIR_IDR) | ((c) << DIR_ICR) | \
382 ((b) << DIR_IBR) | ((a) << DIR_IAR))
383
384#define RC 0x3400 /* 32bit */
385#define HPTC 0x3404 /* 32bit */
386#define GCS 0x3410 /* 32bit */
387#define BUC 0x3414 /* 32bit */
388#define PCH_DISABLE_GBE (1 << 5)
389#define FD 0x3418 /* 32bit */
390#define DISPBDF 0x3424 /* 16bit */
391#define FD2 0x3428 /* 32bit */
392#define CG 0x341c /* 32bit */
393
394/* Function Disable 1 RCBA 0x3418 */
395#define PCH_DISABLE_ALWAYS ((1 << 0)|(1 << 26)|(1 << 27))
396#define PCH_DISABLE_P2P (1 << 1)
397#define PCH_DISABLE_SATA1 (1 << 2)
398#define PCH_DISABLE_SMBUS (1 << 3)
399#define PCH_DISABLE_HD_AUDIO (1 << 4)
400#define PCH_DISABLE_EHCI2 (1 << 13)
401#define PCH_DISABLE_LPC (1 << 14)
402#define PCH_DISABLE_EHCI1 (1 << 15)
403#define PCH_DISABLE_PCIE(x) (1 << (16 + x))
404#define PCH_DISABLE_THERMAL (1 << 24)
405#define PCH_DISABLE_SATA2 (1 << 25)
406
407/* Function Disable 2 RCBA 0x3428 */
408#define PCH_DISABLE_KT (1 << 4)
409#define PCH_DISABLE_IDER (1 << 3)
410#define PCH_DISABLE_MEI2 (1 << 2)
411#define PCH_DISABLE_MEI1 (1 << 1)
412#define PCH_ENABLE_DBDF (1 << 0)
413
414/* ICH7 GPIOBASE */
415#define GPIO_USE_SEL 0x00
416#define GP_IO_SEL 0x04
417#define GP_LVL 0x0c
418#define GPO_BLINK 0x18
419#define GPI_INV 0x2c
420#define GPIO_USE_SEL2 0x30
421#define GP_IO_SEL2 0x34
422#define GP_LVL2 0x38
423#define GPIO_USE_SEL3 0x40
424#define GP_IO_SEL3 0x44
425#define GP_LVL3 0x48
426#define GP_RST_SEL1 0x60
427#define GP_RST_SEL2 0x64
428#define GP_RST_SEL3 0x68
429
430/* ICH7 PMBASE */
431#define PM1_STS 0x00
432#define WAK_STS (1 << 15)
433#define PCIEXPWAK_STS (1 << 14)
434#define PRBTNOR_STS (1 << 11)
435#define RTC_STS (1 << 10)
436#define PWRBTN_STS (1 << 8)
437#define GBL_STS (1 << 5)
438#define BM_STS (1 << 4)
439#define TMROF_STS (1 << 0)
440#define PM1_EN 0x02
441#define PCIEXPWAK_DIS (1 << 14)
442#define RTC_EN (1 << 10)
443#define PWRBTN_EN (1 << 8)
444#define GBL_EN (1 << 5)
445#define TMROF_EN (1 << 0)
446#define PM1_CNT 0x04
447#define SLP_EN (1 << 13)
448#define SLP_TYP (7 << 10)
449#define SLP_TYP_S0 0
450#define SLP_TYP_S1 1
451#define SLP_TYP_S3 5
452#define SLP_TYP_S4 6
453#define SLP_TYP_S5 7
454#define GBL_RLS (1 << 2)
455#define BM_RLD (1 << 1)
456#define SCI_EN (1 << 0)
457#define PM1_TMR 0x08
458#define PROC_CNT 0x10
459#define LV2 0x14
460#define LV3 0x15
461#define LV4 0x16
462#define PM2_CNT 0x50 // mobile only
463#define GPE0_STS 0x20
464#define PME_B0_STS (1 << 13)
465#define PME_STS (1 << 11)
466#define BATLOW_STS (1 << 10)
467#define PCI_EXP_STS (1 << 9)
468#define RI_STS (1 << 8)
469#define SMB_WAK_STS (1 << 7)
470#define TCOSCI_STS (1 << 6)
471#define SWGPE_STS (1 << 2)
472#define HOT_PLUG_STS (1 << 1)
473#define GPE0_EN 0x28
474#define PME_B0_EN (1 << 13)
475#define PME_EN (1 << 11)
Stefan Reinauer9d81c192012-09-19 10:49:12 -0700476#define TCOSCI_EN (1 << 6)
Stefan Reinauer8e073822012-04-04 00:07:22 +0200477#define SMI_EN 0x30
478#define INTEL_USB2_EN (1 << 18) // Intel-Specific USB2 SMI logic
479#define LEGACY_USB2_EN (1 << 17) // Legacy USB2 SMI logic
480#define PERIODIC_EN (1 << 14) // SMI on PERIODIC_STS in SMI_STS
481#define TCO_EN (1 << 13) // Enable TCO Logic (BIOSWE et al)
482#define MCSMI_EN (1 << 11) // Trap microcontroller range access
483#define BIOS_RLS (1 << 7) // asserts SCI on bit set
484#define SWSMI_TMR_EN (1 << 6) // start software smi timer on bit set
485#define APMC_EN (1 << 5) // Writes to APM_CNT cause SMI#
486#define SLP_SMI_EN (1 << 4) // Write to SLP_EN in PM1_CNT asserts SMI#
487#define LEGACY_USB_EN (1 << 3) // Legacy USB circuit SMI logic
488#define BIOS_EN (1 << 2) // Assert SMI# on setting GBL_RLS bit
489#define EOS (1 << 1) // End of SMI (deassert SMI#)
490#define GBL_SMI_EN (1 << 0) // SMI# generation at all?
491#define SMI_STS 0x34
492#define ALT_GP_SMI_EN 0x38
493#define ALT_GP_SMI_STS 0x3a
494#define GPE_CNTL 0x42
495#define DEVACT_STS 0x44
496#define SS_CNT 0x50
497#define C3_RES 0x54
Duncan Laurie800e9502012-06-23 17:06:47 -0700498#define TCO1_STS 0x64
Stefan Reinauer9d81c192012-09-19 10:49:12 -0700499#define DMISCI_STS (1 << 9)
Duncan Laurie800e9502012-06-23 17:06:47 -0700500#define TCO2_STS 0x66
Stefan Reinauer8e073822012-04-04 00:07:22 +0200501
502/*
503 * SPI Opcode Menu setup for SPIBAR lockdown
504 * should support most common flash chips.
505 */
506
507#define SPI_OPMENU_0 0x01 /* WRSR: Write Status Register */
508#define SPI_OPTYPE_0 0x01 /* Write, no address */
509
510#define SPI_OPMENU_1 0x02 /* BYPR: Byte Program */
511#define SPI_OPTYPE_1 0x03 /* Write, address required */
512
513#define SPI_OPMENU_2 0x03 /* READ: Read Data */
514#define SPI_OPTYPE_2 0x02 /* Read, address required */
515
516#define SPI_OPMENU_3 0x05 /* RDSR: Read Status Register */
517#define SPI_OPTYPE_3 0x00 /* Read, no address */
518
519#define SPI_OPMENU_4 0x20 /* SE20: Sector Erase 0x20 */
520#define SPI_OPTYPE_4 0x03 /* Write, address required */
521
522#define SPI_OPMENU_5 0x9f /* RDID: Read ID */
523#define SPI_OPTYPE_5 0x00 /* Read, no address */
524
525#define SPI_OPMENU_6 0xd8 /* BED8: Block Erase 0xd8 */
526#define SPI_OPTYPE_6 0x03 /* Write, address required */
527
Duncan Laurie924342b2012-10-08 14:30:06 -0700528#define SPI_OPMENU_7 0x0b /* FAST: Fast Read */
529#define SPI_OPTYPE_7 0x02 /* Read, address required */
Stefan Reinauer8e073822012-04-04 00:07:22 +0200530
531#define SPI_OPMENU_UPPER ((SPI_OPMENU_7 << 24) | (SPI_OPMENU_6 << 16) | \
532 (SPI_OPMENU_5 << 8) | SPI_OPMENU_4)
533#define SPI_OPMENU_LOWER ((SPI_OPMENU_3 << 24) | (SPI_OPMENU_2 << 16) | \
534 (SPI_OPMENU_1 << 8) | SPI_OPMENU_0)
535
536#define SPI_OPTYPE ((SPI_OPTYPE_7 << 14) | (SPI_OPTYPE_6 << 12) | \
537 (SPI_OPTYPE_5 << 10) | (SPI_OPTYPE_4 << 8) | \
538 (SPI_OPTYPE_3 << 6) | (SPI_OPTYPE_2 << 4) | \
539 (SPI_OPTYPE_1 << 2) | (SPI_OPTYPE_0))
540
541#define SPI_OPPREFIX ((0x50 << 8) | 0x06) /* EWSR and WREN */
542
Duncan Lauried4bc0672012-10-11 13:04:14 -0700543#define SPIBAR_HSFS 0x3804 /* SPI hardware sequence status */
544#define SPIBAR_HSFS_SCIP (1 << 5) /* SPI Cycle In Progress */
545#define SPIBAR_HSFS_AEL (1 << 2) /* SPI Access Error Log */
546#define SPIBAR_HSFS_FCERR (1 << 1) /* SPI Flash Cycle Error */
547#define SPIBAR_HSFS_FDONE (1 << 0) /* SPI Flash Cycle Done */
548#define SPIBAR_HSFC 0x3806 /* SPI hardware sequence control */
549#define SPIBAR_HSFC_BYTE_COUNT(c) (((c - 1) & 0x3f) << 8)
550#define SPIBAR_HSFC_CYCLE_READ (0 << 1) /* Read cycle */
551#define SPIBAR_HSFC_CYCLE_WRITE (2 << 1) /* Write cycle */
552#define SPIBAR_HSFC_CYCLE_ERASE (3 << 1) /* Erase cycle */
553#define SPIBAR_HSFC_GO (1 << 0) /* GO: start SPI transaction */
554#define SPIBAR_FADDR 0x3808 /* SPI flash address */
555#define SPIBAR_FDATA(n) (0x3810 + (4 * n)) /* SPI flash data */
556
Stefan Reinauer8e073822012-04-04 00:07:22 +0200557#endif /* __ACPI__ */
558#endif /* SOUTHBRIDGE_INTEL_BD82X6X_PCH_H */