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      1 /* SPDX-License-Identifier: GPL-2.0 */
      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.
      9  */
     10 
     11 #ifndef _ASM_ARCH_PCH_H
     12 #define _ASM_ARCH_PCH_H
     13 
     14 #include <pci.h>
     15 
     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
     27 #define DEFAULT_GPIOBASE	0x0480
     28 #define DEFAULT_PMBASE		0x0500
     29 
     30 #define SMBUS_IO_BASE		0x0400
     31 
     32 #define MAINBOARD_POWER_OFF	0
     33 #define MAINBOARD_POWER_ON	1
     34 #define MAINBOARD_POWER_KEEP	2
     35 
     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 
     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 
     55 /* PCI Configuration Space (D31:F0): LPC */
     56 #define PCH_LPC_DEV		PCI_BDF(0, 0x1f, 0)
     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 
     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
     84 
     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 
     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 
     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 
    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 
    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 
    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 
    254 #define SPI_FREQ_SWSEQ	0x3893
    255 #define SPI_DESC_COMP0	0x38b0
    256 #define SPI_FREQ_WR_ERA	0x38b4
    257 
    258 #define DIR_ROUTE(a, b, c, d) \
    259 		(((d) << DIR_IDR) | ((c) << DIR_ICR) | \
    260 			((b) << DIR_IBR) | ((a) << DIR_IAR))
    261 
    262 #define HPTC		0x3404	/* 32bit */
    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 
    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 
    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 
    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 
    379 /**
    380  * pch_silicon_revision() - Read silicon device ID from the PCH
    381  *
    382  * @dev:	PCH device
    383  * @return silicon device ID
    384  */
    385 int pch_silicon_type(struct udevice *dev);
    386 
    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  */
    395 void pch_iobp_update(struct udevice *dev, u32 address, u32 andvalue,
    396 			     u32 orvalue);
    397 
    398 #endif
    399