/* * This file is part of the coreboot project. * * Copyright (C) 2008-2009 coresystems GmbH * Copyright (C) 2012 The Chromium OS Authors. All rights reserved. * Copyright (C) 2013-2015 Sage Electronic Engineering, LLC. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #ifndef SOUTHBRIDGE_INTEL_I89XX_PCH_H #define SOUTHBRIDGE_INTEL_I89XX_PCH_H #include /* PCH types */ #define PCH_TYPE_CC 0x23 /* CaveCreek */ /* PCH stepping values for LPC device */ #define PCH_STEP_A0 0 #define PCH_STEP_A1 1 #define PCH_STEP_B0 2 #define PCH_STEP_B1 3 #define PCH_STEP_B2 4 #define PCH_STEP_B3 5 /* * 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 0x0500 #define SMBUS_SLAVE_ADDR 0x24 /* TODO Make sure these don't get changed by stage2 */ #define DEFAULT_GPIOBASE 0x0480 #define DEFAULT_PMBASE 0x0400 #ifndef __ACPI__ #define DEFAULT_RCBA ((u8 *)0xfed1c000) #else #define DEFAULT_RCBA 0xfed1c000 #endif #ifndef __ACPI__ #define DEBUG_PERIODIC_SMIS 0 #if defined(__SMM__) && !defined(__ASSEMBLER__) void intel_pch_finalize_smm(void); #endif #if !defined(__ASSEMBLER__) && !defined(__ROMCC__) #if !defined(__PRE_RAM__) && !defined(__SMM__) #include "chip.h" int pch_silicon_revision(void); int pch_silicon_type(void); int pch_silicon_supported(int type, int rev); void pch_enable(struct device *dev); #if IS_ENABLED(CONFIG_ELOG) void pch_log_state(void); #endif #else /* writes an address and one byte of data */ s16 smbus_write_single_byte(u8 device, u8 address, u8 data); /* Sends an address and reads one byte of data */ int smbus_read_byte(unsigned device, unsigned address); /* writes a single byte of data to smbus without an address byte */ s16 smbus_quick_write(u8 device, u8 data); /* gets one byte of data from smbus without writing an address. */ s16 smbus_quick_read(u8 device); void enable_smbus(void); void enable_usb_bar(void); int early_spi_read(u32 offset, u32 size, u8 *buffer); void sandybridge_sb_early_initialization(void); void early_pch_init(void); #endif #endif #define MAINBOARD_POWER_OFF 0 #define MAINBOARD_POWER_ON 1 #define MAINBOARD_POWER_KEEP 2 #ifndef CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL #define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON #endif #define PCH_EHCI1_DEV PCI_DEV(0, 0x1d, 0) #define PCH_ME_DEV PCI_DEV(0, 0x16, 0) #define PCH_PCIE_DEV_SLOT 28 /* PCI Configuration Space (D31:F0): LPC */ #define PCH_LPC_DEV PCI_DEV(0, 0x1f, 0) #define SERIRQ_CNTL 0x64 #define GEN_PMCON_1 0xa0 #define GEN_PMCON_2 0xa2 #define GEN_PMCON_3 0xa4 #define ETR3 0xac #define ETR3_CWORWRE (1 << 18) #define ETR3_CF9GR (1 << 20) /* GEN_PMCON_3 bits */ #define RTC_BATTERY_DEAD (1 << 2) #define RTC_POWER_FAILED (1 << 1) #define SLEEP_AFTER_POWER_FAIL (1 << 0) #define PMBASE 0x40 #define ACPI_CNTL 0x44 #define BIOS_CNTL 0xDC #define GPIO_BASE 0x48 /* LPC GPIO Base Address Register */ #define GPIO_CNTL 0x4C /* LPC GPIO Control Register */ #define GPIO_ROUT 0xb8 /* PIRQ[A-H] Routing registers */ #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[3:2] */ #define LPC_GEN1_DEC 0x84 /* LPC IF Generic Decode Range 1 */ #define LPC_GEN2_DEC 0x88 /* LPC IF Generic Decode Range 2 */ #define LPC_GEN3_DEC 0x8c /* LPC IF Generic Decode Range 3 */ #define LPC_GEN4_DEC 0x90 /* LPC IF Generic Decode Range 4 */ /* PCI Configuration Space (D31:F2/5) */ #define PCH_SATA_DEV PCI_DEV(0, 0x1f, 2) #define PCH_SATA2_DEV PCI_DEV(0, 0x1f, 5) #define INTR_LN 0x3c #define SATA_SIRI 0xa0 /* SATA Indexed Register Index */ #define SATA_SIRD 0xa4 /* SATA Indexed Register Data */ #define SATA_SP 0xd0 /* Scratchpad */ /* SATA IOBP Registers */ #define SATA_IOBP_SP0G3IR 0xea000151 #define SATA_IOBP_SP1G3IR 0xea000051 /* PCI Configuration Space (D31:F3): SMBus */ #define PCH_SMBUS_DEV PCI_DEV(0, 0x1f, 3) #define SMB_BASE 0x20 #define HOSTC 0x40 #define SMB_RCV_SLVA 0x09 /* 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 /* Root Complex Register Block */ #define RCBA 0xf0 #define RCBA8(x) *((volatile u8 *)(DEFAULT_RCBA + x)) #define RCBA16(x) *((volatile u16 *)(DEFAULT_RCBA + x)) #define RCBA32(x) *((volatile u32 *)(DEFAULT_RCBA + x)) #define RCBA_AND_OR(bits, x, and, or) \ RCBA##bits(x) = ((RCBA##bits(x) & (and)) | (or)) #define RCBA8_AND_OR(x, and, or) RCBA_AND_OR(8, x, and, or) #define RCBA16_AND_OR(x, and, or) RCBA_AND_OR(16, x, and, or) #define RCBA32_AND_OR(x, and, or) RCBA_AND_OR(32, x, and, or) #define RCBA32_OR(x, or) RCBA_AND_OR(32, x, ~0UL, or) #define V0CTL 0x0014 /* 32bit */ #define V0STS 0x001a /* 16bit */ #define V1CAP 0x001c /* 32bit */ #define V1CTL 0x0020 /* 32bit */ #define V1STS 0x0026 /* 16bit */ #define RPC 0x0224 /* 32bit */ #define RPFN 0x0238 /* 32bit */ /* Root Port configuratinon space hide */ #define RPFN_HIDE(port) (1 << (((port) * 4) + 3)) /* 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 TCTL 0x3000 /* 8bit */ /* IO Buffer Programming */ #define IOBPIRI 0x2330 #define IOBPD 0x2334 #define IOBPS 0x2338 #define IOBPS_RW_BX ((1 << 9)|(1 << 10)) #define IOBPS_WRITE_AX ((1 << 9)|(1 << 10)) #define IOBPS_READ_AX ((1 << 8)|(1 << 9)|(1 << 10)) /* * Interrupt Pin (IP) and Interrupt Route (IR) * registers */ #define D31IP 0x3100 /* 32bit */ #define D31IP_TTIP 24 /* Thermal Throttle Pin */ #define D31IP_SIP2 20 /* SATA Pin 2 */ #define D31IP_SMIP 12 /* SMBUS Pin */ #define D31IP_SIP 8 /* SATA Pin */ #define D29IP 0x3108 /* 32bit */ #define D29IP_E1P 0 /* EHCI #1 Pin */ #define D28IP 0x310c /* 32bit */ #define D28IP_P4IP 12 /* PCI Express Port 4 */ #define D28IP_P3IP 8 /* PCI Express Port 3 */ #define D28IP_P2IP 4 /* PCI Express Port 2 */ #define D28IP_P1IP 0 /* PCI Express Port 1 */ #define D22IP 0x3124 /* 32bit */ #define D22IP_KTIP 12 /* KT Pin */ #define D22IP_IDERIP 8 /* IDE-R Pin */ #define D22IP_MEI2IP 4 /* MEI #2 Pin */ #define D22IP_MEI1IP 0 /* MEI #1 Pin */ #define D31IR 0x3140 /* 16bit */ #define D29IR 0x3144 /* 16bit */ #define D28IR 0x3146 /* 16bit */ #define D22IR 0x315c /* 16bit */ #define OIC 0x31fe /* 16bit */ #define SOFT_RESET_CTRL 0x38f4 #define SOFT_RESET_DATA 0x38f8 #if !defined(__ASSEMBLER__) #define NUM_IR_DEVS 32 /* Certain device numbers have Interrupt registers in the RCBA */ #define PCH_ALLOWED_IRQ_DEVNUM 0xB0400000 /* 31, 29, 28, 22 */ /* * Some devices have specific IRQ registers in * the LPC for interrupt control */ struct dev_irq_regs { uint32_t ip_reg; /* Interrupt Pin register */ uint32_t ir_reg; /* Interrupt Route register */ }; /* * Certain PCH device numbers have specific IRQ registers * associated with them (D(x)IP / D(x)IR) for Interrupt Pin * and Interrupt Routing information. */ static const struct dev_irq_regs irq_regs[NUM_IR_DEVS] = { [31] = {D31IP, D31IR}, [29] = {D29IP, D29IR}, [28] = {D28IP, D28IR}, [22] = {D22IP, D22IR}, }; #endif #define RC 0x3400 /* 32bit */ #define HPTC 0x3404 /* 32bit */ #define GCS 0x3410 /* 32bit */ #define BUC 0x3414 /* 32bit */ #define PCH_DISABLE_GBE (1 << 5) #define FD 0x3418 /* 32bit */ #define DISPBDF 0x3424 /* 16bit */ #define FD2 0x3428 /* 32bit */ #define CG 0x341c /* 32bit */ /* Function Disable 1 RCBA 0x3418 */ #define PCH_DISABLE_ALWAYS 0 #define PCH_DISABLE_SATA1 (1 << 2) #define PCH_DISABLE_SMBUS (1 << 3) #define PCH_DISABLE_LPC (1 << 14) #define PCH_DISABLE_EHCI1 (1 << 15) #define PCH_DISABLE_PCIE(x) (1 << (16 + x)) #define PCH_DISABLE_THERMAL (1 << 24) #define PCH_DISABLE_SATA2 (1 << 25) /* Function Disable 2 RCBA 0x3428 */ #define PCH_DISABLE_KT (1 << 4) #define PCH_DISABLE_IDER (1 << 3) #define PCH_DISABLE_MEI2 (1 << 2) #define PCH_DISABLE_MEI1 (1 << 1) /* ICH7 GPIOBASE */ #define GPIO_USE_SEL 0x00 #define GP_IO_SEL 0x04 #define GP_LVL 0x0c #define GPO_BLINK 0x18 #define GPI_INV 0x2c #define GPIO_USE_SEL2 0x30 #define GP_IO_SEL2 0x34 #define GP_LVL2 0x38 #define GPIO_USE_SEL3 0x40 #define GP_IO_SEL3 0x44 #define GP_LVL3 0x48 #define GP_RST_SEL1 0x60 #define GP_RST_SEL2 0x64 #define GP_RST_SEL3 0x68 /* 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 0x50 // mobile only #define GPE0_STS 0x20 #define PME_B0_STS (1 << 13) #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 SWGPE_STS (1 << 2) #define HOT_PLUG_STS (1 << 1) #define GPE0_EN 0x28 #define PME_B0_EN (1 << 13) #define PME_EN (1 << 11) #define TCOSCI_EN (1 << 6) #define SMI_EN 0x30 #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_STS 0x64 #define DMISCI_STS (1 << 9) #define TCO2_STS 0x66 /* * SPI Opcode Menu setup for SPIBAR lockdown * should support most common flash chips. */ #define SPI_OPMENU_0 0x01 /* WRSR: Write Status Register */ #define SPI_OPTYPE_0 0x01 /* Write, no address */ #define SPI_OPMENU_1 0x02 /* BYPR: Byte Program */ #define SPI_OPTYPE_1 0x03 /* Write, address required */ #define SPI_OPMENU_2 0x03 /* READ: Read Data */ #define SPI_OPTYPE_2 0x02 /* Read, address required */ #define SPI_OPMENU_3 0x05 /* RDSR: Read Status Register */ #define SPI_OPTYPE_3 0x00 /* Read, no address */ #define SPI_OPMENU_4 0x20 /* SE20: Sector Erase 0x20 */ #define SPI_OPTYPE_4 0x03 /* Write, address required */ #define SPI_OPMENU_5 0x9f /* RDID: Read ID */ #define SPI_OPTYPE_5 0x00 /* Read, no address */ #define SPI_OPMENU_6 0xd8 /* BED8: Block Erase 0xd8 */ #define SPI_OPTYPE_6 0x03 /* Write, address required */ #define SPI_OPMENU_7 0x0b /* FAST: Fast Read */ #define SPI_OPTYPE_7 0x02 /* Read, address required */ #define SPI_OPMENU_UPPER ((SPI_OPMENU_7 << 24) | (SPI_OPMENU_6 << 16) | \ (SPI_OPMENU_5 << 8) | SPI_OPMENU_4) #define SPI_OPMENU_LOWER ((SPI_OPMENU_3 << 24) | (SPI_OPMENU_2 << 16) | \ (SPI_OPMENU_1 << 8) | SPI_OPMENU_0) #define SPI_OPTYPE ((SPI_OPTYPE_7 << 14) | (SPI_OPTYPE_6 << 12) | \ (SPI_OPTYPE_5 << 10) | (SPI_OPTYPE_4 << 8) | \ (SPI_OPTYPE_3 << 6) | (SPI_OPTYPE_2 << 4) | \ (SPI_OPTYPE_1 << 2) | (SPI_OPTYPE_0)) #define SPI_OPPREFIX ((0x50 << 8) | 0x06) /* EWSR and WREN */ #define SPIBAR_HSFS 0x3804 /* SPI hardware sequence status */ #define SPIBAR_HSFS_SCIP (1 << 5) /* SPI Cycle In Progress */ #define SPIBAR_HSFS_AEL (1 << 2) /* SPI Access Error Log */ #define SPIBAR_HSFS_FCERR (1 << 1) /* SPI Flash Cycle Error */ #define SPIBAR_HSFS_FDONE (1 << 0) /* SPI Flash Cycle Done */ #define SPIBAR_HSFC 0x3806 /* SPI hardware sequence control */ #define SPIBAR_HSFC_BYTE_COUNT(c) (((c - 1) & 0x3f) << 8) #define SPIBAR_HSFC_CYCLE_READ (0 << 1) /* Read cycle */ #define SPIBAR_HSFC_CYCLE_WRITE (2 << 1) /* Write cycle */ #define SPIBAR_HSFC_CYCLE_ERASE (3 << 1) /* Erase cycle */ #define SPIBAR_HSFC_GO (1 << 0) /* GO: start SPI transaction */ #define SPIBAR_FADDR 0x3808 /* SPI flash address */ #define SPIBAR_FDATA(n) (0x3810 + (4 * n)) /* SPI flash data */ #endif /* __ACPI__ */ #endif /* SOUTHBRIDGE_INTEL_I89XX_PCH_H */