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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2007-2008 coresystems GmbH
* Copyright (C) 2011 Google Inc.
*
* 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 __NORTHBRIDGE_INTEL_SANDYBRIDGE_SANDYBRIDGE_H__
#define __NORTHBRIDGE_INTEL_SANDYBRIDGE_SANDYBRIDGE_H__
/* Chipset types */
#define SANDYBRIDGE_MOBILE 0
#define SANDYBRIDGE_DESKTOP 1
#define SANDYBRIDGE_SERVER 2
/* Device ID for SandyBridge and IvyBridge */
#define BASE_REV_SNB 0x00
#define BASE_REV_IVB 0x50
#define BASE_REV_MASK 0x50
/* SandyBridge CPU stepping */
#define SNB_STEP_D0 (BASE_REV_SNB + 5) /* Also J0 */
#define SNB_STEP_D1 (BASE_REV_SNB + 6)
#define SNB_STEP_D2 (BASE_REV_SNB + 7) /* Also J1/Q0 */
/* IvyBridge CPU stepping */
#define IVB_STEP_A0 (BASE_REV_IVB + 0)
#define IVB_STEP_B0 (BASE_REV_IVB + 2)
#define IVB_STEP_C0 (BASE_REV_IVB + 4)
#define IVB_STEP_K0 (BASE_REV_IVB + 5)
#define IVB_STEP_D0 (BASE_REV_IVB + 6)
/* Intel Enhanced Debug region must be 4MB */
#define IED_SIZE 0x400000
/* Northbridge BARs */
#define DEFAULT_PCIEXBAR CONFIG_MMCONF_BASE_ADDRESS /* 4 KB per PCIe device */
#ifndef __ACPI__
#define DEFAULT_MCHBAR ((u8 *)0xfed10000) /* 16 KB */
#define DEFAULT_DMIBAR ((u8 *)0xfed18000) /* 4 KB */
#else
#define DEFAULT_MCHBAR 0xfed10000 /* 16 KB */
#define DEFAULT_DMIBAR 0xfed18000 /* 4 KB */
#endif
#define DEFAULT_EPBAR 0xfed19000 /* 4 KB */
#define DEFAULT_RCBABASE ((u8 *)0xfed1c000)
#define IOMMU_BASE1 0xfed90000ULL
#define IOMMU_BASE2 0xfed91000ULL
#include <southbridge/intel/bd82x6x/pch.h>
/* Everything below this line is ignored in the DSDT */
#ifndef __ACPI__
#include <rules.h>
/* Device 0:0.0 PCI configuration space (Host Bridge) */
#define EPBAR 0x40
#define MCHBAR 0x48
#define PCIEXBAR 0x60
#define DMIBAR 0x68
#define X60BAR 0x60
#define GGC 0x50 /* GMCH Graphics Control */
#define DEVEN 0x54 /* Device Enable */
#define DEVEN_D7EN (1 << 14)
#define DEVEN_PEG60 (1 << 13)
#define DEVEN_D4EN (1 << 7)
#define DEVEN_IGD (1 << 4)
#define DEVEN_PEG10 (1 << 3)
#define DEVEN_PEG11 (1 << 2)
#define DEVEN_PEG12 (1 << 1)
#define DEVEN_HOST (1 << 0)
#define PAM0 0x80
#define PAM1 0x81
#define PAM2 0x82
#define PAM3 0x83
#define PAM4 0x84
#define PAM5 0x85
#define PAM6 0x86
#define LAC 0x87 /* Legacy Access Control */
#define SMRAM 0x88 /* System Management RAM Control */
#define TOM 0xa0
#define TOUUD 0xa8 /* Top of Upper Usable DRAM */
#define BGSM 0xb4 /* Base GTT Stolen Memory */
#define TSEG 0xb8 /* TSEG base */
#define TOLUD 0xbc /* Top of Low Used Memory */
#define CAPID0_A 0xe4 /* Capabilities Register A */
#define CAPID0_B 0xe8 /* Capabilities Register B */
#define SKPAD 0xdc /* Scratchpad Data */
/* Device 0:1.0 PCI configuration space (PCI Express) */
#define BCTRL1 0x3e /* 16bit */
/* Device 0:2.0 PCI configuration space (Graphics Device) */
#define MSAC 0x62 /* Multi Size Aperture Control */
#define SWSCI 0xe8 /* SWSCI enable */
#define ASLS 0xfc /* OpRegion Base */
/*
* MCHBAR
*/
#define MCHBAR8(x) *((volatile u8 *)(DEFAULT_MCHBAR + x))
#define MCHBAR16(x) *((volatile u16 *)(DEFAULT_MCHBAR + x))
#define MCHBAR32(x) *((volatile u32 *)(DEFAULT_MCHBAR + x))
#define MCHBAR32_OR(x, or) MCHBAR32(x) = (MCHBAR32(x) | (or))
#define SSKPD 0x5d14 /* 16bit (scratchpad) */
#define BIOS_RESET_CPL 0x5da8 /* 8bit */
/*
* EPBAR - Egress Port Root Complex Register Block
*/
#define EPBAR8(x) *((volatile u8 *)(DEFAULT_EPBAR + x))
#define EPBAR16(x) *((volatile u16 *)(DEFAULT_EPBAR + x))
#define EPBAR32(x) *((volatile u32 *)(DEFAULT_EPBAR + x))
#define EPPVCCAP1 0x004 /* 32bit */
#define EPPVCCAP2 0x008 /* 32bit */
#define EPVC0RCAP 0x010 /* 32bit */
#define EPVC0RCTL 0x014 /* 32bit */
#define EPVC0RSTS 0x01a /* 16bit */
#define EPVC1RCAP 0x01c /* 32bit */
#define EPVC1RCTL 0x020 /* 32bit */
#define EPVC1RSTS 0x026 /* 16bit */
#define EPVC1MTS 0x028 /* 32bit */
#define EPVC1IST 0x038 /* 64bit */
#define EPESD 0x044 /* 32bit */
#define EPLE1D 0x050 /* 32bit */
#define EPLE1A 0x058 /* 64bit */
#define EPLE2D 0x060 /* 32bit */
#define EPLE2A 0x068 /* 64bit */
#define PORTARB 0x100 /* 256bit */
/*
* DMIBAR
*/
#define DMIBAR8(x) *((volatile u8 *)(DEFAULT_DMIBAR + x))
#define DMIBAR16(x) *((volatile u16 *)(DEFAULT_DMIBAR + x))
#define DMIBAR32(x) *((volatile u32 *)(DEFAULT_DMIBAR + x))
#define DMIVCECH 0x000 /* 32bit */
#define DMIPVCCAP1 0x004 /* 32bit */
#define DMIPVCCAP2 0x008 /* 32bit */
#define DMIPVCCCTL 0x00c /* 16bit */
#define DMIVC0RCAP 0x010 /* 32bit */
#define DMIVC0RCTL0 0x014 /* 32bit */
#define DMIVC0RSTS 0x01a /* 16bit */
#define DMIVC1RCAP 0x01c /* 32bit */
#define DMIVC1RCTL 0x020 /* 32bit */
#define DMIVC1RSTS 0x026 /* 16bit */
#define DMILE1D 0x050 /* 32bit */
#define DMILE1A 0x058 /* 64bit */
#define DMILE2D 0x060 /* 32bit */
#define DMILE2A 0x068 /* 64bit */
#define DMILCAP 0x084 /* 32bit */
#define DMILCTL 0x088 /* 16bit */
#define DMILSTS 0x08a /* 16bit */
#define DMICTL1 0x0f0 /* 32bit */
#define DMICTL2 0x0fc /* 32bit */
#define DMICC 0x208 /* 32bit */
#define DMIDRCCFG 0xeb4 /* 32bit */
#ifndef __ASSEMBLER__
static inline void barrier(void) { asm("" ::: "memory"); }
#ifdef __SMM__
void intel_sandybridge_finalize_smm(void);
#else /* !__SMM__ */
int bridge_silicon_revision(void);
void sandybridge_early_initialization(int chipset_type);
void sandybridge_init_iommu(void);
void sandybridge_late_initialization(void);
void northbridge_romstage_finalize(int s3resume);
/* debugging functions */
void print_pci_devices(void);
void dump_pci_device(unsigned dev);
void dump_pci_devices(void);
void dump_spd_registers(void);
void dump_mem(unsigned start, unsigned end);
void report_platform_info(void);
#endif /* !__SMM__ */
void rcba_config(void);
void pch_enable_lpc(void);
void mainboard_early_init(int s3resume);
void mainboard_config_superio(void);
int mainboard_should_reset_usb(int s3resume);
void perform_raminit(int s3resume);
#if ENV_RAMSTAGE && !defined(__SIMPLE_DEVICE__)
#include <device/device.h>
struct acpi_rsdp;
unsigned long northbridge_write_acpi_tables(device_t device, unsigned long start, struct acpi_rsdp *rsdp);
#endif
#endif
#endif
#endif /* __NORTHBRIDGE_INTEL_SANDYBRIDGE_SANDYBRIDGE_H__ */
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