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