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Diffstat (limited to 'src/northbridge/intel/fsp_sandybridge/northbridge.h')
-rw-r--r-- | src/northbridge/intel/fsp_sandybridge/northbridge.h | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/src/northbridge/intel/fsp_sandybridge/northbridge.h b/src/northbridge/intel/fsp_sandybridge/northbridge.h new file mode 100644 index 0000000000..4861254902 --- /dev/null +++ b/src/northbridge/intel/fsp_sandybridge/northbridge.h @@ -0,0 +1,231 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2008 coresystems GmbH + * Copyright (C) 2011 Google Inc. + * Copyright (C) 2013 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc. + */ + +#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) + +#if CONFIG_SOUTHBRIDGE_INTEL_FSP_BD82X6X +#include <southbridge/intel/fsp_bd82x6x/pch.h> +#endif + +/* Everything below this line is ignored in the DSDT */ +#ifndef __ACPI__ + +/* 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_PEG60 (1 << 13) +#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 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"); } + +#define PCI_DEVICE_ID_SB 0x0104 +#define PCI_DEVICE_ID_IB 0x0154 + +#ifdef __SMM__ +void intel_sandybridge_finalize_smm(void); +#else /* !__SMM__ */ +int bridge_silicon_revision(void); +void sandybridge_early_initialization(int chipset_type); +void sandybridge_late_initialization(void); + +/* 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__ */ + + +#define MRC_DATA_ALIGN 0x1000 +#define MRC_DATA_SIGNATURE (('M'<<0)|('R'<<8)|('C'<<16)|('D'<<24)) + +#if !defined(__PRE_RAM__) +#include "gma.h" +int init_igd_opregion(igd_opregion_t *igd_opregion); +#endif + +#endif +#endif +#endif /* __NORTHBRIDGE_INTEL_SANDYBRIDGE_SANDYBRIDGE_H__ */ |