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83d290c5 1/* SPDX-License-Identifier: GPL-2.0 */
2b605154
SG
2/*
3 * Copyright (c) 2014 Google, Inc
4 *
5 * From Coreboot src/southbridge/intel/bd82x6x/pch.h
6 *
7 * Copyright (C) 2008-2009 coresystems GmbH
8 * Copyright (C) 2012 The Chromium OS Authors. All rights reserved.
2b605154
SG
9 */
10
11#ifndef _ASM_ARCH_PCH_H
12#define _ASM_ARCH_PCH_H
13
14#include <pci.h>
15
8c74a573
SG
16/* PCH types */
17#define PCH_TYPE_CPT 0x1c /* CougarPoint */
18#define PCH_TYPE_PPT 0x1e /* IvyBridge */
19
20/* PCH stepping values for LPC device */
21#define PCH_STEP_A0 0
22#define PCH_STEP_A1 1
23#define PCH_STEP_B0 2
24#define PCH_STEP_B1 3
25#define PCH_STEP_B2 4
26#define PCH_STEP_B3 5
8e0df066
SG
27#define DEFAULT_GPIOBASE 0x0480
28#define DEFAULT_PMBASE 0x0500
29
30#define SMBUS_IO_BASE 0x0400
31
8c74a573
SG
32#define MAINBOARD_POWER_OFF 0
33#define MAINBOARD_POWER_ON 1
34#define MAINBOARD_POWER_KEEP 2
35
4e7a6aca
SG
36/* PCI Configuration Space (D30:F0): PCI2PCI */
37#define PSTS 0x06
38#define SMLT 0x1b
39#define SECSTS 0x1e
40#define INTR 0x3c
41#define BCTRL 0x3e
42#define SBR (1 << 6)
43#define SEE (1 << 1)
44#define PERE (1 << 0)
45
8e0df066
SG
46#define PCH_EHCI1_DEV PCI_BDF(0, 0x1d, 0)
47#define PCH_EHCI2_DEV PCI_BDF(0, 0x1a, 0)
48#define PCH_XHCI_DEV PCI_BDF(0, 0x14, 0)
49#define PCH_ME_DEV PCI_BDF(0, 0x16, 0)
50#define PCH_PCIE_DEV_SLOT 28
51
52#define PCH_DEV PCI_BDF(0, 0, 0)
53#define PCH_VIDEO_DEV PCI_BDF(0, 2, 0)
54
2b605154
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55/* PCI Configuration Space (D31:F0): LPC */
56#define PCH_LPC_DEV PCI_BDF(0, 0x1f, 0)
8c74a573
SG
57#define SERIRQ_CNTL 0x64
58
59#define GEN_PMCON_1 0xa0
60#define GEN_PMCON_2 0xa2
61#define GEN_PMCON_3 0xa4
62#define ETR3 0xac
63#define ETR3_CWORWRE (1 << 18)
64#define ETR3_CF9GR (1 << 20)
65
66/* GEN_PMCON_3 bits */
67#define RTC_BATTERY_DEAD (1 << 2)
68#define RTC_POWER_FAILED (1 << 1)
69#define SLEEP_AFTER_POWER_FAIL (1 << 0)
70
8c74a573
SG
71#define BIOS_CNTL 0xDC
72#define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */
73#define GPIO_CNTL 0x4C /* LPC GPIO Control Register */
74#define GPIO_ROUT 0xb8
75
76#define PIRQA_ROUT 0x60
77#define PIRQB_ROUT 0x61
78#define PIRQC_ROUT 0x62
79#define PIRQD_ROUT 0x63
80#define PIRQE_ROUT 0x68
81#define PIRQF_ROUT 0x69
82#define PIRQG_ROUT 0x6A
83#define PIRQH_ROUT 0x6B
2b605154 84
65dd74a6
SG
85#define GEN_PMCON_1 0xa0
86#define GEN_PMCON_2 0xa2
87#define GEN_PMCON_3 0xa4
88#define ETR3 0xac
89#define ETR3_CWORWRE (1 << 18)
90#define ETR3_CF9GR (1 << 20)
91
8e0df066
SG
92#define PMBASE 0x40
93#define ACPI_CNTL 0x44
94#define BIOS_CNTL 0xDC
95#define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */
96#define GPIO_CNTL 0x4C /* LPC GPIO Control Register */
97#define GPIO_ROUT 0xb8
98
3ac83935
SG
99/* PCI Configuration Space (D31:F1): IDE */
100#define PCH_IDE_DEV PCI_BDF(0, 0x1f, 1)
101#define PCH_SATA_DEV PCI_BDF(0, 0x1f, 2)
102#define PCH_SATA2_DEV PCI_BDF(0, 0x1f, 5)
103
3ac83935
SG
104#define IDE_SDMA_CNT 0x48 /* Synchronous DMA control */
105#define IDE_SSDE1 (1 << 3)
106#define IDE_SSDE0 (1 << 2)
107#define IDE_PSDE1 (1 << 1)
108#define IDE_PSDE0 (1 << 0)
109
110#define IDE_SDMA_TIM 0x4a
111
112#define IDE_CONFIG 0x54 /* IDE I/O Configuration Register */
113#define SIG_MODE_SEC_NORMAL (0 << 18)
114#define SIG_MODE_SEC_TRISTATE (1 << 18)
115#define SIG_MODE_SEC_DRIVELOW (2 << 18)
116#define SIG_MODE_PRI_NORMAL (0 << 16)
117#define SIG_MODE_PRI_TRISTATE (1 << 16)
118#define SIG_MODE_PRI_DRIVELOW (2 << 16)
119#define FAST_SCB1 (1 << 15)
120#define FAST_SCB0 (1 << 14)
121#define FAST_PCB1 (1 << 13)
122#define FAST_PCB0 (1 << 12)
123#define SCB1 (1 << 3)
124#define SCB0 (1 << 2)
125#define PCB1 (1 << 1)
126#define PCB0 (1 << 0)
127
128#define SATA_SIRI 0xa0 /* SATA Indexed Register Index */
129#define SATA_SIRD 0xa4 /* SATA Indexed Register Data */
130#define SATA_SP 0xd0 /* Scratchpad */
131
132/* SATA IOBP Registers */
133#define SATA_IOBP_SP0G3IR 0xea000151
134#define SATA_IOBP_SP1G3IR 0xea000051
135
f5fbbe95
SG
136#define VCH 0x0000 /* 32bit */
137#define VCAP1 0x0004 /* 32bit */
138#define VCAP2 0x0008 /* 32bit */
139#define PVC 0x000c /* 16bit */
140#define PVS 0x000e /* 16bit */
141
142#define V0CAP 0x0010 /* 32bit */
143#define V0CTL 0x0014 /* 32bit */
144#define V0STS 0x001a /* 16bit */
145
146#define V1CAP 0x001c /* 32bit */
147#define V1CTL 0x0020 /* 32bit */
148#define V1STS 0x0026 /* 16bit */
149
150#define RCTCL 0x0100 /* 32bit */
151#define ESD 0x0104 /* 32bit */
152#define ULD 0x0110 /* 32bit */
153#define ULBA 0x0118 /* 64bit */
154
155#define RP1D 0x0120 /* 32bit */
156#define RP1BA 0x0128 /* 64bit */
157#define RP2D 0x0130 /* 32bit */
158#define RP2BA 0x0138 /* 64bit */
159#define RP3D 0x0140 /* 32bit */
160#define RP3BA 0x0148 /* 64bit */
161#define RP4D 0x0150 /* 32bit */
162#define RP4BA 0x0158 /* 64bit */
163#define HDD 0x0160 /* 32bit */
164#define HDBA 0x0168 /* 64bit */
165#define RP5D 0x0170 /* 32bit */
166#define RP5BA 0x0178 /* 64bit */
167#define RP6D 0x0180 /* 32bit */
168#define RP6BA 0x0188 /* 64bit */
169
170#define RPC 0x0400 /* 32bit */
171#define RPFN 0x0404 /* 32bit */
172
65dd74a6
SG
173#define TRSR 0x1e00 /* 8bit */
174#define TRCR 0x1e10 /* 64bit */
175#define TWDR 0x1e18 /* 64bit */
176
177#define IOTR0 0x1e80 /* 64bit */
178#define IOTR1 0x1e88 /* 64bit */
179#define IOTR2 0x1e90 /* 64bit */
180#define IOTR3 0x1e98 /* 64bit */
181
182#define TCTL 0x3000 /* 8bit */
183
184#define NOINT 0
185#define INTA 1
186#define INTB 2
187#define INTC 3
188#define INTD 4
189
190#define DIR_IDR 12 /* Interrupt D Pin Offset */
191#define DIR_ICR 8 /* Interrupt C Pin Offset */
192#define DIR_IBR 4 /* Interrupt B Pin Offset */
193#define DIR_IAR 0 /* Interrupt A Pin Offset */
194
195#define PIRQA 0
196#define PIRQB 1
197#define PIRQC 2
198#define PIRQD 3
199#define PIRQE 4
200#define PIRQF 5
201#define PIRQG 6
202#define PIRQH 7
203
204/* IO Buffer Programming */
205#define IOBPIRI 0x2330
206#define IOBPD 0x2334
207#define IOBPS 0x2338
208#define IOBPS_RW_BX ((1 << 9)|(1 << 10))
209#define IOBPS_WRITE_AX ((1 << 9)|(1 << 10))
210#define IOBPS_READ_AX ((1 << 8)|(1 << 9)|(1 << 10))
211
212#define D31IP 0x3100 /* 32bit */
213#define D31IP_TTIP 24 /* Thermal Throttle Pin */
214#define D31IP_SIP2 20 /* SATA Pin 2 */
215#define D31IP_SMIP 12 /* SMBUS Pin */
216#define D31IP_SIP 8 /* SATA Pin */
217#define D30IP 0x3104 /* 32bit */
218#define D30IP_PIP 0 /* PCI Bridge Pin */
219#define D29IP 0x3108 /* 32bit */
220#define D29IP_E1P 0 /* EHCI #1 Pin */
221#define D28IP 0x310c /* 32bit */
222#define D28IP_P8IP 28 /* PCI Express Port 8 */
223#define D28IP_P7IP 24 /* PCI Express Port 7 */
224#define D28IP_P6IP 20 /* PCI Express Port 6 */
225#define D28IP_P5IP 16 /* PCI Express Port 5 */
226#define D28IP_P4IP 12 /* PCI Express Port 4 */
227#define D28IP_P3IP 8 /* PCI Express Port 3 */
228#define D28IP_P2IP 4 /* PCI Express Port 2 */
229#define D28IP_P1IP 0 /* PCI Express Port 1 */
230#define D27IP 0x3110 /* 32bit */
231#define D27IP_ZIP 0 /* HD Audio Pin */
232#define D26IP 0x3114 /* 32bit */
233#define D26IP_E2P 0 /* EHCI #2 Pin */
234#define D25IP 0x3118 /* 32bit */
235#define D25IP_LIP 0 /* GbE LAN Pin */
236#define D22IP 0x3124 /* 32bit */
237#define D22IP_KTIP 12 /* KT Pin */
238#define D22IP_IDERIP 8 /* IDE-R Pin */
239#define D22IP_MEI2IP 4 /* MEI #2 Pin */
240#define D22IP_MEI1IP 0 /* MEI #1 Pin */
241#define D20IP 0x3128 /* 32bit */
242#define D20IP_XHCIIP 0
243#define D31IR 0x3140 /* 16bit */
244#define D30IR 0x3142 /* 16bit */
245#define D29IR 0x3144 /* 16bit */
246#define D28IR 0x3146 /* 16bit */
247#define D27IR 0x3148 /* 16bit */
248#define D26IR 0x314c /* 16bit */
249#define D25IR 0x3150 /* 16bit */
250#define D22IR 0x315c /* 16bit */
251#define D20IR 0x3160 /* 16bit */
252#define OIC 0x31fe /* 16bit */
253
f5fbbe95
SG
254#define SPI_FREQ_SWSEQ 0x3893
255#define SPI_DESC_COMP0 0x38b0
256#define SPI_FREQ_WR_ERA 0x38b4
f5fbbe95 257
65dd74a6
SG
258#define DIR_ROUTE(a, b, c, d) \
259 (((d) << DIR_IDR) | ((c) << DIR_ICR) | \
260 ((b) << DIR_IBR) | ((a) << DIR_IAR))
261
f5fbbe95 262#define HPTC 0x3404 /* 32bit */
f5fbbe95
SG
263#define BUC 0x3414 /* 32bit */
264#define PCH_DISABLE_GBE (1 << 5)
265#define FD 0x3418 /* 32bit */
266#define DISPBDF 0x3424 /* 16bit */
267#define FD2 0x3428 /* 32bit */
268#define CG 0x341c /* 32bit */
269
65dd74a6
SG
270/* Function Disable 1 RCBA 0x3418 */
271#define PCH_DISABLE_ALWAYS ((1 << 0)|(1 << 26))
272#define PCH_DISABLE_P2P (1 << 1)
273#define PCH_DISABLE_SATA1 (1 << 2)
274#define PCH_DISABLE_SMBUS (1 << 3)
275#define PCH_DISABLE_HD_AUDIO (1 << 4)
276#define PCH_DISABLE_EHCI2 (1 << 13)
277#define PCH_DISABLE_LPC (1 << 14)
278#define PCH_DISABLE_EHCI1 (1 << 15)
279#define PCH_DISABLE_PCIE(x) (1 << (16 + x))
280#define PCH_DISABLE_THERMAL (1 << 24)
281#define PCH_DISABLE_SATA2 (1 << 25)
282#define PCH_DISABLE_XHCI (1 << 27)
283
284/* Function Disable 2 RCBA 0x3428 */
285#define PCH_DISABLE_KT (1 << 4)
286#define PCH_DISABLE_IDER (1 << 3)
287#define PCH_DISABLE_MEI2 (1 << 2)
288#define PCH_DISABLE_MEI1 (1 << 1)
289#define PCH_ENABLE_DBDF (1 << 0)
290
1b4f25ff
SG
291/* ICH7 GPIOBASE */
292#define GPIO_USE_SEL 0x00
293#define GP_IO_SEL 0x04
294#define GP_LVL 0x0c
295#define GPO_BLINK 0x18
296#define GPI_INV 0x2c
297#define GPIO_USE_SEL2 0x30
298#define GP_IO_SEL2 0x34
299#define GP_LVL2 0x38
300#define GPIO_USE_SEL3 0x40
301#define GP_IO_SEL3 0x44
302#define GP_LVL3 0x48
303#define GP_RST_SEL1 0x60
304#define GP_RST_SEL2 0x64
305#define GP_RST_SEL3 0x68
306
8e0df066
SG
307/* ICH7 PMBASE */
308#define PM1_STS 0x00
309#define WAK_STS (1 << 15)
310#define PCIEXPWAK_STS (1 << 14)
311#define PRBTNOR_STS (1 << 11)
312#define RTC_STS (1 << 10)
313#define PWRBTN_STS (1 << 8)
314#define GBL_STS (1 << 5)
315#define BM_STS (1 << 4)
316#define TMROF_STS (1 << 0)
317#define PM1_EN 0x02
318#define PCIEXPWAK_DIS (1 << 14)
319#define RTC_EN (1 << 10)
320#define PWRBTN_EN (1 << 8)
321#define GBL_EN (1 << 5)
322#define TMROF_EN (1 << 0)
323#define PM1_CNT 0x04
324#define SLP_EN (1 << 13)
325#define SLP_TYP (7 << 10)
326#define SLP_TYP_S0 0
327#define SLP_TYP_S1 1
328#define SLP_TYP_S3 5
329#define SLP_TYP_S4 6
330#define SLP_TYP_S5 7
331#define GBL_RLS (1 << 2)
332#define BM_RLD (1 << 1)
333#define SCI_EN (1 << 0)
334#define PM1_TMR 0x08
335#define PROC_CNT 0x10
336#define LV2 0x14
337#define LV3 0x15
338#define LV4 0x16
339#define PM2_CNT 0x50 /* mobile only */
340#define GPE0_STS 0x20
341#define PME_B0_STS (1 << 13)
342#define PME_STS (1 << 11)
343#define BATLOW_STS (1 << 10)
344#define PCI_EXP_STS (1 << 9)
345#define RI_STS (1 << 8)
346#define SMB_WAK_STS (1 << 7)
347#define TCOSCI_STS (1 << 6)
348#define SWGPE_STS (1 << 2)
349#define HOT_PLUG_STS (1 << 1)
350#define GPE0_EN 0x28
351#define PME_B0_EN (1 << 13)
352#define PME_EN (1 << 11)
353#define TCOSCI_EN (1 << 6)
354#define SMI_EN 0x30
355#define INTEL_USB2_EN (1 << 18) /* Intel-Specific USB2 SMI logic */
356#define LEGACY_USB2_EN (1 << 17) /* Legacy USB2 SMI logic */
357#define PERIODIC_EN (1 << 14) /* SMI on PERIODIC_STS in SMI_STS */
358#define TCO_EN (1 << 13) /* Enable TCO Logic (BIOSWE et al) */
359#define MCSMI_EN (1 << 11) /* Trap microcontroller range access */
360#define BIOS_RLS (1 << 7) /* asserts SCI on bit set */
361#define SWSMI_TMR_EN (1 << 6) /* start software smi timer on bit set */
362#define APMC_EN (1 << 5) /* Writes to APM_CNT cause SMI# */
363#define SLP_SMI_EN (1 << 4) /* Write SLP_EN in PM1_CNT asserts SMI# */
364#define LEGACY_USB_EN (1 << 3) /* Legacy USB circuit SMI logic */
365#define BIOS_EN (1 << 2) /* Assert SMI# on setting GBL_RLS bit */
366#define EOS (1 << 1) /* End of SMI (deassert SMI#) */
367#define GBL_SMI_EN (1 << 0) /* SMI# generation at all? */
368#define SMI_STS 0x34
369#define ALT_GP_SMI_EN 0x38
370#define ALT_GP_SMI_STS 0x3a
371#define GPE_CNTL 0x42
372#define DEVACT_STS 0x44
373#define SS_CNT 0x50
374#define C3_RES 0x54
375#define TCO1_STS 0x64
376#define DMISCI_STS (1 << 9)
377#define TCO2_STS 0x66
378
9434c7a3
SG
379/**
380 * pch_silicon_revision() - Read silicon device ID from the PCH
381 *
382 * @dev: PCH device
383 * @return silicon device ID
384 */
385int pch_silicon_type(struct udevice *dev);
386
9434c7a3
SG
387/**
388 * pch_pch_iobp_update() - Update a pch register
389 *
390 * @dev: PCH device
391 * @address: Address to update
392 * @andvalue: Value to AND with existing value
393 * @orvalue: Value to OR with existing value
394 */
395void pch_iobp_update(struct udevice *dev, u32 address, u32 andvalue,
396 u32 orvalue);
397
2b605154 398#endif