diff options
| author | Alexandru Gagniuc <mr.nuke.me@gmail.com> | 2015-10-03 13:20:26 -0700 |
|---|---|---|
| committer | Alexandru Gagniuc <mr.nuke.me@gmail.com> | 2015-10-03 22:23:24 +0000 |
| commit | fb50124d22014742b6990a95df87a7a828e891b6 (patch) | |
| tree | 2de7958eedfd8b2ce34f148af251ad6ce13930e4 /src/northbridge/intel/fsp_sandybridge | |
| parent | ecf2eb463faff04ab6061eb5dfd8da26c5026a97 (diff) | |
Remove sandybridge and ivybridge FSP code path
We already have two other code paths for this silicon. Maintaining the
FSP path as well doesn't make much sense. There was only one board to
use this code, and it's a reference board that I doubt anyone still
owns or uses.
Change-Id: I4fcfa6c56448416624fd26418df19b354eb72f39
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-on: http://review.coreboot.org/11789
Tested-by: build bot (Jenkins)
Reviewed-by: Philipp Deppenwiese <zaolin@das-labor.org>
Diffstat (limited to 'src/northbridge/intel/fsp_sandybridge')
23 files changed, 0 insertions, 2495 deletions
diff --git a/src/northbridge/intel/fsp_sandybridge/Kconfig b/src/northbridge/intel/fsp_sandybridge/Kconfig deleted file mode 100644 index e1f2e888fd..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/Kconfig +++ /dev/null @@ -1,46 +0,0 @@ -## -## This file is part of the coreboot project. -## -## Copyright (C) 2010 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. -## - -config NORTHBRIDGE_INTEL_FSP_SANDYBRIDGE - bool - select CPU_INTEL_FSP_MODEL_206AX - select INTEL_GMA_ACPI - -config NORTHBRIDGE_INTEL_FSP_IVYBRIDGE - bool - select CPU_INTEL_FSP_MODEL_306AX - select INTEL_GMA_ACPI - -if NORTHBRIDGE_INTEL_FSP_IVYBRIDGE || NORTHBRIDGE_INTEL_FSP_SANDYBRIDGE - -config VGA_BIOS_ID - string - default "8086,0106" - help - This is the default PCI ID for the sandybridge/ivybridge graphics - devices. This string names the vbios ROM in cbfs. The following - PCI IDs will be remapped to load this ROM: - 0x80860102, 0x8086010a, 0x80860112, 0x80860116 - 0x80860122, 0x80860126, 0x80860166 - -# Ivybridge Specific FSP Kconfig -source src/northbridge/intel/fsp_sandybridge/fsp/Kconfig - -endif # NORTHBRIDGE_INTEL_FSP_IVYBRIDGE || NORTHBRIDGE_INTEL_FSP_SANDYBRIDGE diff --git a/src/northbridge/intel/fsp_sandybridge/Makefile.inc b/src/northbridge/intel/fsp_sandybridge/Makefile.inc deleted file mode 100644 index 6c5e09f9b4..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/Makefile.inc +++ /dev/null @@ -1,41 +0,0 @@ -# -# This file is part of the coreboot project. -# -# Copyright (C) 2010 Google Inc. -# Copyright (C) 2013-2014 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. -# - -ifeq ($(CONFIG_NORTHBRIDGE_INTEL_FSP_SANDYBRIDGE)$(CONFIG_NORTHBRIDGE_INTEL_FSP_IVYBRIDGE),y) - -subdirs-y += fsp -ramstage-y += northbridge.c -ramstage-y += ram_calc.c -ramstage-y += gma.c - -ramstage-y += acpi.c - -romstage-y += raminit.c -romstage-y += ram_calc.c -romstage-y += early_init.c -romstage-y += report_platform.c -romstage-y += ../../../arch/x86/walkcbfs.S - -smm-$(CONFIG_HAVE_SMI_HANDLER) += udelay.c -smm-$(CONFIG_HAVE_SMI_HANDLER) += finalize.c - -CPPFLAGS_common += -I$(src)/northbridge/intel/fsp_sandybridge/fsp - -endif diff --git a/src/northbridge/intel/fsp_sandybridge/acpi.c b/src/northbridge/intel/fsp_sandybridge/acpi.c deleted file mode 100644 index 1e20945138..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/acpi.c +++ /dev/null @@ -1,212 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007-2009 coresystems GmbH - * Copyright (C) 2012 The Chromium OS Authors - * - * 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. - */ - -#include <types.h> -#include <string.h> -#include <console/console.h> -#include <arch/io.h> -#include <arch/acpi.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <drivers/intel/gma/i915.h> -#include <arch/acpigen.h> -#include "northbridge.h" -#include <cbmem.h> - -unsigned long acpi_fill_mcfg(unsigned long current) -{ - device_t dev; - u32 pciexbar = 0; - u32 pciexbar_reg; - int max_buses; - - dev = dev_find_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_SB, 0); - if (!dev) - dev = dev_find_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_IB, 0); - if (!dev) - return current; - - pciexbar_reg=pci_read_config32(dev, PCIEXBAR); - - // MMCFG not supported or not enabled. - if (!(pciexbar_reg & (1 << 0))) - return current; - - switch ((pciexbar_reg >> 1) & 3) { - case 0: // 256MB - pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)); - max_buses = 256; - break; - case 1: // 128M - pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)); - max_buses = 128; - break; - case 2: // 64M - pciexbar = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)|(1 << 26)); - max_buses = 64; - break; - default: // RSVD - return current; - } - - if (!pciexbar) - return current; - - current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current, - pciexbar, 0x0, 0x0, max_buses - 1); - - return current; -} - -static void *get_intel_vbios(void) -{ - /* This should probably be looking at CBFS or we should always - * deploy the VBIOS on Intel systems, even if we don't run it - * in coreboot (e.g. SeaBIOS only scenarios). - */ - u8 *vbios = (u8 *)0xc0000; - - optionrom_header_t *oprom = (optionrom_header_t *)vbios; - optionrom_pcir_t *pcir = (optionrom_pcir_t *)(vbios + - oprom->pcir_offset); - - - printk(BIOS_DEBUG, "GET_VBIOS: %x %x %x %x %x\n", - oprom->signature, pcir->vendor, pcir->classcode[0], - pcir->classcode[1], pcir->classcode[2]); - - - if ((oprom->signature == OPROM_SIGNATURE) && - (pcir->vendor == PCI_VENDOR_ID_INTEL) && - (pcir->classcode[0] == 0x00) && - (pcir->classcode[1] == 0x00) && - (pcir->classcode[2] == 0x03)) - return (void *)vbios; - - return NULL; -} - -static int init_opregion_vbt(igd_opregion_t *opregion) -{ - void *vbios; - vbios = get_intel_vbios(); - if (!vbios) { - printk(BIOS_DEBUG, "VBIOS not found.\n"); - return 1; - } - - printk(BIOS_DEBUG, " ... VBIOS found at %p\n", vbios); - optionrom_header_t *oprom = (optionrom_header_t *)vbios; - optionrom_vbt_t *vbt = (optionrom_vbt_t *)(vbios + - oprom->vbt_offset); - - if (read32(vbt->hdr_signature) != VBT_SIGNATURE) { - printk(BIOS_DEBUG, "VBT not found!\n"); - return 1; - } - - memcpy(opregion->header.vbios_version, vbt->coreblock_biosbuild, 4); - memcpy(opregion->vbt.gvd1, vbt, vbt->hdr_vbt_size < 7168 ? - vbt->hdr_vbt_size : 7168); - - return 0; -} - - -/* Initialize IGD OpRegion, called from ACPI code */ -int init_igd_opregion(igd_opregion_t *opregion) -{ - device_t igd; - u16 reg16; - - memset((void *)opregion, 0, sizeof(igd_opregion_t)); - - // FIXME if IGD is disabled, we should exit here. - - memcpy(&opregion->header.signature, IGD_OPREGION_SIGNATURE, - sizeof(opregion->header.signature)); - - /* 8kb */ - opregion->header.size = sizeof(igd_opregion_t) / 1024; - opregion->header.version = IGD_OPREGION_VERSION; - - // FIXME We just assume we're mobile for now - opregion->header.mailboxes = MAILBOXES_MOBILE; - - // TODO Initialize Mailbox 1 - - // TODO Initialize Mailbox 3 - opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS; - opregion->mailbox3.pfit = IGD_FIELD_VALID | IGD_PFIT_STRETCH; - opregion->mailbox3.pcft = 0; // should be (IMON << 1) & 0x3e - opregion->mailbox3.cblv = IGD_FIELD_VALID | IGD_INITIAL_BRIGHTNESS; - opregion->mailbox3.bclm[0] = IGD_WORD_FIELD_VALID + 0x0000; - opregion->mailbox3.bclm[1] = IGD_WORD_FIELD_VALID + 0x0a19; - opregion->mailbox3.bclm[2] = IGD_WORD_FIELD_VALID + 0x1433; - opregion->mailbox3.bclm[3] = IGD_WORD_FIELD_VALID + 0x1e4c; - opregion->mailbox3.bclm[4] = IGD_WORD_FIELD_VALID + 0x2866; - opregion->mailbox3.bclm[5] = IGD_WORD_FIELD_VALID + 0x327f; - opregion->mailbox3.bclm[6] = IGD_WORD_FIELD_VALID + 0x3c99; - opregion->mailbox3.bclm[7] = IGD_WORD_FIELD_VALID + 0x46b2; - opregion->mailbox3.bclm[8] = IGD_WORD_FIELD_VALID + 0x50cc; - opregion->mailbox3.bclm[9] = IGD_WORD_FIELD_VALID + 0x5ae5; - opregion->mailbox3.bclm[10] = IGD_WORD_FIELD_VALID + 0x64ff; - - init_opregion_vbt(opregion); - - /* TODO This needs to happen in S3 resume, too. - * Maybe it should move to the finalize handler - */ - igd = dev_find_slot(0, PCI_DEVFN(0x2, 0)); - - pci_write_config32(igd, ASLS, (u32)opregion); - reg16 = pci_read_config16(igd, SWSCI); - reg16 &= ~(1 << 0); - reg16 |= (1 << 15); - pci_write_config16(igd, SWSCI, reg16); - - /* clear dmisci status */ - reg16 = inw(DEFAULT_PMBASE + TCO1_STS); - reg16 |= DMISCI_STS; // reference code does an &= - outw(DEFAULT_PMBASE + TCO1_STS, reg16); - - /* clear acpi tco status */ - outl(DEFAULT_PMBASE + GPE0_STS, TCOSCI_STS); - - /* enable acpi tco scis */ - reg16 = inw(DEFAULT_PMBASE + GPE0_EN); - reg16 |= TCOSCI_EN; - outw(DEFAULT_PMBASE + GPE0_EN, reg16); - - return 0; -} - -void *igd_make_opregion(void) -{ - igd_opregion_t *opregion; - - printk(BIOS_DEBUG, "ACPI: * IGD OpRegion\n"); - opregion = cbmem_add(CBMEM_ID_IGD_OPREGION, sizeof (*opregion)); - if (opregion) - init_igd_opregion(opregion); - return opregion; -} diff --git a/src/northbridge/intel/fsp_sandybridge/acpi/hostbridge.asl b/src/northbridge/intel/fsp_sandybridge/acpi/hostbridge.asl deleted file mode 100644 index a1b99b899c..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/acpi/hostbridge.asl +++ /dev/null @@ -1,359 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007-2009 coresystems GmbH - * - * 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. - */ - - -Name(_HID,EISAID("PNP0A08")) // PCIe -Name(_CID,EISAID("PNP0A03")) // PCI - -Name(_ADR, 0) -Name(_BBN, 0) - -Device (MCHC) -{ - Name(_ADR, 0x00000000) // 0:0.0 - - OperationRegion(MCHP, PCI_Config, 0x00, 0x100) - Field (MCHP, DWordAcc, NoLock, Preserve) - { - Offset (0x40), // EPBAR - EPEN, 1, // Enable - , 11, // - EPBR, 24, // EPBAR - - Offset (0x48), // MCHBAR - MHEN, 1, // Enable - , 13, // - MHBR, 22, // MCHBAR - - Offset (0x60), // PCIe BAR - PXEN, 1, // Enable - PXSZ, 2, // BAR size - , 23, // - PXBR, 10, // PCIe BAR - - Offset (0x68), // DMIBAR - DMEN, 1, // Enable - , 11, // - DMBR, 24, // DMIBAR - - Offset (0x70), // ME Base Address - MEBA, 64, - - // ... - - Offset (0x80), // PAM0 - , 4, - PM0H, 2, - , 2, - Offset (0x81), // PAM1 - PM1L, 2, - , 2, - PM1H, 2, - , 2, - Offset (0x82), // PAM2 - PM2L, 2, - , 2, - PM2H, 2, - , 2, - Offset (0x83), // PAM3 - PM3L, 2, - , 2, - PM3H, 2, - , 2, - Offset (0x84), // PAM4 - PM4L, 2, - , 2, - PM4H, 2, - , 2, - Offset (0x85), // PAM5 - PM5L, 2, - , 2, - PM5H, 2, - , 2, - Offset (0x86), // PAM6 - PM6L, 2, - , 2, - PM6H, 2, - , 2, - - Offset (0xa0), // Top of Used Memory - TOM, 64, - - Offset (0xbc), // Top of Low Used Memory - TLUD, 32, - } - - Mutex (CTCM, 1) /* CTDP Switch Mutex (sync level 1) */ - Name (CTCC, 0) /* CTDP Current Selection */ - Name (CTCN, 0) /* CTDP Nominal Select */ - Name (CTCD, 1) /* CTDP Down Select */ - Name (CTCU, 2) /* CTDP Up Select */ - - OperationRegion (MCHB, SystemMemory, DEFAULT_MCHBAR, 0x8000) - Field (MCHB, DWordAcc, Lock, Preserve) - { - Offset (0x5930), - CTDN, 15, /* CTDP Nominal PL1 */ - Offset (0x59a0), - PL1V, 15, /* Power Limit 1 Value */ - PL1E, 1, /* Power Limit 1 Enable */ - PL1C, 1, /* Power Limit 1 Clamp */ - PL1T, 7, /* Power Limit 1 Time */ - Offset (0x59a4), - PL2V, 15, /* Power Limit 2 Value */ - PL2E, 1, /* Power Limit 2 Enable */ - PL2C, 1, /* Power Limit 2 Clamp */ - PL2T, 7, /* Power Limit 2 Time */ - Offset (0x5f3c), - TARN, 8, /* CTDP Nominal Turbo Activation Ratio */ - Offset (0x5f40), - CTDD, 15, /* CTDP Down PL1 */ - , 1, - TARD, 8, /* CTDP Down Turbo Activation Ratio */ - Offset (0x5f48), - CTDU, 15, /* CTDP Up PL1 */ - , 1, - TARU, 8, /* CTDP Up Turbo Activation Ratio */ - Offset (0x5f50), - CTCS, 2, /* CTDP Select */ - Offset (0x5f54), - TARS, 8, /* Turbo Activation Ratio Select */ - } - - /* - * Search CPU0 _PSS looking for control=arg0 and then - * return previous P-state entry number for new _PPC - * - * Format of _PSS: - * Name (_PSS, Package () { - * Package (6) { freq, power, tlat, blat, control, status } - * } - */ - External (\_PR.CP00._PSS) - Method (PSSS, 1, NotSerialized) - { - Store (One, Local0) /* Start at P1 */ - Store (SizeOf (\_PR.CP00._PSS), Local1) - - While (LLess (Local0, Local1)) { - /* Store _PSS entry Control value to Local2 */ - ShiftRight (DeRefOf (Index (DeRefOf (Index - (\_PR.CP00._PSS, Local0)), 4)), 8, Local2) - If (LEqual (Local2, Arg0)) { - Return (Subtract (Local0, 1)) - } - Increment (Local0) - } - - Return (0) - } - - /* Set TDP Down */ - Method (STND, 0, Serialized) - { - If (Acquire (CTCM, 100)) { - Return (0) - } - If (LEqual (CTCD, CTCC)) { - Release (CTCM) - Return (0) - } - - Store ("Set TDP Down", Debug) - - /* Set CTC */ - Store (CTCD, CTCS) - - /* Set TAR */ - Store (TARD, TARS) - - /* Set PPC limit and notify OS */ - Store (PSSS (TARD), PPCM) - PPCN () - - /* Set PL2 to 1.25 * PL1 */ - Divide (Multiply (CTDD, 125), 100, Local0, PL2V) - - /* Set PL1 */ - Store (CTDD, PL1V) - - /* Store the new TDP Down setting */ - Store (CTCD, CTCC) - - Release (CTCM) - Return (1) - } - - /* Set TDP Nominal from Down */ - Method (STDN, 0, Serialized) - { - If (Acquire (CTCM, 100)) { - Return (0) - } - If (LEqual (CTCN, CTCC)) { - Release (CTCM) - Return (0) - } - - Store ("Set TDP Nominal", Debug) - - /* Set PL1 */ - Store (CTDN, PL1V) - - /* Set PL2 to 1.25 * PL1 */ - Divide (Multiply (CTDN, 125), 100, Local0, PL2V) - - /* Set PPC limit and notify OS */ - Store (PSSS (TARN), PPCM) - PPCN () - - /* Set TAR */ - Store (TARN, TARS) - - /* Set CTC */ - Store (CTCN, CTCS) - - /* Store the new TDP Nominal setting */ - Store (CTCN, CTCC) - - Release (CTCM) - Return (1) - } -} - -// Current Resource Settings - -Method (_CRS, 0, Serialized) -{ - Name (MCRS, ResourceTemplate() - { - // Bus Numbers - WordBusNumber (ResourceProducer, MinFixed, MaxFixed, PosDecode, - 0x0000, 0x0000, 0x00ff, 0x0000, 0x0100,,, PB00) - - // IO Region 0 - DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, - 0x0000, 0x0000, 0x0cf7, 0x0000, 0x0cf8,,, PI00) - - // PCI Config Space - Io (Decode16, 0x0cf8, 0x0cf8, 0x0001, 0x0008) - - // IO Region 1 - DWordIO (ResourceProducer, MinFixed, MaxFixed, PosDecode, EntireRange, - 0x0000, 0x0d00, 0xffff, 0x0000, 0xf300,,, PI01) - - // VGA memory (0xa0000-0xbffff) - DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, - Cacheable, ReadWrite, - 0x00000000, 0x000a0000, 0x000bffff, 0x00000000, - 0x00020000,,, ASEG) - - // OPROM reserved (0xd0000-0xd3fff) - DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, - Cacheable, ReadWrite, - 0x00000000, 0x000d0000, 0x000d3fff, 0x00000000, - 0x00004000,,, OPR0) - - // OPROM reserved (0xd4000-0xd7fff) - DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, - Cacheable, ReadWrite, - 0x00000000, 0x000d4000, 0x000d7fff, 0x00000000, - 0x00004000,,, OPR1) - - // OPROM reserved (0xd8000-0xdbfff) - DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, - Cacheable, ReadWrite, - 0x00000000, 0x000d8000, 0x000dbfff, 0x00000000, - 0x00004000,,, OPR2) - - // OPROM reserved (0xdc000-0xdffff) - DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, - Cacheable, ReadWrite, - 0x00000000, 0x000dc000, 0x000dffff, 0x00000000, - 0x00004000,,, OPR3) - - // BIOS Extension (0xe0000-0xe3fff) - DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, - Cacheable, ReadWrite, - 0x00000000, 0x000e0000, 0x000e3fff, 0x00000000, - 0x00004000,,, ESG0) - - // BIOS Extension (0xe4000-0xe7fff) - DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, - Cacheable, ReadWrite, - 0x00000000, 0x000e4000, 0x000e7fff, 0x00000000, - 0x00004000,,, ESG1) - - // BIOS Extension (0xe8000-0xebfff) - DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, - Cacheable, ReadWrite, - 0x00000000, 0x000e8000, 0x000ebfff, 0x00000000, - 0x00004000,,, ESG2) - - // BIOS Extension (0xec000-0xeffff) - DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, - Cacheable, ReadWrite, - 0x00000000, 0x000ec000, 0x000effff, 0x00000000, - 0x00004000,,, ESG3) - - // System BIOS (0xf0000-0xfffff) - DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, - Cacheable, ReadWrite, - 0x00000000, 0x000f0000, 0x000fffff, 0x00000000, - 0x00010000,,, FSEG) - - // PCI Memory Region (Top of memory-CONFIG_MMCONF_BASE_ADDRESS) - DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, - Cacheable, ReadWrite, - 0x00000000, 0x00000000, 0x00000000, 0x00000000, - 0x00000000,,, PM01) - - // TPM Area (0xfed40000-0xfed44fff) - DWordMemory (ResourceProducer, PosDecode, MinFixed, MaxFixed, - Cacheable, ReadWrite, - 0x00000000, 0xfed40000, 0xfed44fff, 0x00000000, - 0x00005000,,, TPMR) - }) - - // Find PCI resource area in MCRS - CreateDwordField(MCRS, PM01._MIN, PMIN) - CreateDwordField(MCRS, PM01._MAX, PMAX) - CreateDwordField(MCRS, PM01._LEN, PLEN) - - // Fix up PCI memory region - // Start with Top of Lower Usable DRAM - Store (^MCHC.TLUD, Local0) - Store (^MCHC.MEBA, Local1) - - // Check if ME base is equal - If (LEqual (Local0, Local1)) { - // Use Top Of Memory instead - Store (^MCHC.TOM, Local0) - } - - Store (Local0, PMIN) - Store (Subtract(CONFIG_MMCONF_BASE_ADDRESS, 1), PMAX) - Add(Subtract(PMAX, PMIN), 1, PLEN) - - Return (MCRS) -} - -/* IRQ assignment is mainboard specific. Get it from mainboard ACPI code */ -#include "acpi/hostbridge_pci_irqs.asl" diff --git a/src/northbridge/intel/fsp_sandybridge/acpi/igd.asl b/src/northbridge/intel/fsp_sandybridge/acpi/igd.asl deleted file mode 100644 index df8a389797..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/acpi/igd.asl +++ /dev/null @@ -1,78 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007-2009 coresystems GmbH - * - * 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. - */ - -Device (GFX0) -{ - Name (_ADR, 0x00020000) - - OperationRegion (GFXC, PCI_Config, 0x00, 0x0100) - Field (GFXC, DWordAcc, NoLock, Preserve) - { - Offset (0x10), - BAR0, 64 - } - - OperationRegion (GFRG, SystemMemory, And(BAR0, 0xfffffffffffffff0), 0x400000) - Field (GFRG, DWordAcc, NoLock, Preserve) - { - Offset (0x48254), - BCLV, 16, - Offset (0xc8250), - CR1, 32, - CR2, 32 - } - - Name (BRIG, Package (0x12) - { - 0x61, - 0x61, - 0x2, - 0x4, - 0x5, - 0x7, - 0x9, - 0xb, - 0xd, - 0x11, - 0x14, - 0x17, - 0x1c, - 0x20, - 0x27, - 0x31, - 0x41, - 0x61, - }) - - Method (XBCM, 1, NotSerialized) - { - Store (ShiftLeft (Arg0, 4), BCLV) - Store (0x80000000, CR1) - Store (0x061a061a, CR2) - } - - Method (XBQC, 0, NotSerialized) - { - Store (BCLV, Local0) - ShiftRight (Local0, 4, Local0) - Return (Local0) - } -#include <drivers/intel/gma/igd.asl> -} diff --git a/src/northbridge/intel/fsp_sandybridge/acpi/sandybridge.asl b/src/northbridge/intel/fsp_sandybridge/acpi/sandybridge.asl deleted file mode 100644 index 1c853e1208..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/acpi/sandybridge.asl +++ /dev/null @@ -1,58 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007-2009 coresystems GmbH - * - * 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. - */ - -#include "../northbridge.h" -#include "hostbridge.asl" - -/* PCI Device Resource Consumption */ -Device (PDRC) -{ - Name (_HID, EISAID("PNP0C02")) - Name (_UID, 1) - - Name (PDRS, ResourceTemplate() { - Memory32Fixed(ReadWrite, 0xfed1c000, 0x00004000) // RCBA - Memory32Fixed(ReadWrite, DEFAULT_MCHBAR, 0x00008000) - Memory32Fixed(ReadWrite, DEFAULT_DMIBAR, 0x00001000) - Memory32Fixed(ReadWrite, DEFAULT_EPBAR, 0x00001000) - Memory32Fixed(ReadWrite, DEFAULT_PCIEXBAR, 0x04000000) - Memory32Fixed(ReadWrite, 0xfed20000, 0x00020000) // Misc ICH - Memory32Fixed(ReadWrite, 0xfed40000, 0x00005000) // Misc ICH - Memory32Fixed(ReadWrite, 0xfed45000, 0x0004b000) // Misc ICH - -#if CONFIG_CHROMEOS_RAMOOPS - Memory32Fixed(ReadWrite, CONFIG_CHROMEOS_RAMOOPS_RAM_START, - CONFIG_CHROMEOS_RAMOOPS_RAM_SIZE) -#endif - - /* Required for SandyBridge sighting 3715511 */ - Memory32Fixed(ReadWrite, 0x20000000, 0x00200000) - Memory32Fixed(ReadWrite, 0x40000000, 0x00200000) - }) - - // Current Resource Settings - Method (_CRS, 0, Serialized) - { - Return(PDRS) - } -} - -// Integrated graphics 0:2.0 -#include "igd.asl" diff --git a/src/northbridge/intel/fsp_sandybridge/chip.h b/src/northbridge/intel/fsp_sandybridge/chip.h deleted file mode 100644 index 6e823dc986..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/chip.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007-2008 coresystems GmbH - * - * 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. - */ - -#include <drivers/intel/gma/i915.h> - -/* - * Digital Port Hotplug Enable: - * 0x04 = Enabled, 2ms short pulse - * 0x05 = Enabled, 4.5ms short pulse - * 0x06 = Enabled, 6ms short pulse - * 0x07 = Enabled, 100ms short pulse - */ -struct northbridge_intel_fsp_sandybridge_config { - u8 gpu_dp_b_hotplug; /* Digital Port B Hotplug Config */ - u8 gpu_dp_c_hotplug; /* Digital Port C Hotplug Config */ - u8 gpu_dp_d_hotplug; /* Digital Port D Hotplug Config */ - - u8 gpu_panel_port_select; /* 0=LVDS 1=DP_B 2=DP_C 3=DP_D */ - u8 gpu_panel_power_cycle_delay; /* T4 time sequence */ - u16 gpu_panel_power_up_delay; /* T1+T2 time sequence */ - u16 gpu_panel_power_down_delay; /* T3 time sequence */ - u16 gpu_panel_power_backlight_on_delay; /* T5 time sequence */ - u16 gpu_panel_power_backlight_off_delay; /* Tx time sequence */ - - u32 gpu_cpu_backlight; /* CPU Backlight PWM value */ - u32 gpu_pch_backlight; /* PCH Backlight PWM value */ - - struct i915_gpu_controller_info gfx; -}; diff --git a/src/northbridge/intel/fsp_sandybridge/early_init.c b/src/northbridge/intel/fsp_sandybridge/early_init.c deleted file mode 100644 index 6ba1ab6828..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/early_init.c +++ /dev/null @@ -1,88 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007-2010 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. - * - * 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. - */ - -#include <stdint.h> -#include <stdlib.h> -#include <console/console.h> -#include <arch/io.h> -#include <device/pci_def.h> -#include <elog.h> -#include "northbridge.h" - -static void sandybridge_setup_bars(void) -{ - printk(BIOS_DEBUG, "Setting up static northbridge registers..."); - /* Set up all hardcoded northbridge BARs */ - pci_write_config32(PCI_DEV(0, 0x00, 0), EPBAR, DEFAULT_EPBAR | 1); - pci_write_config32(PCI_DEV(0, 0x00, 0), EPBAR + 4, (0LL+DEFAULT_EPBAR) >> 32); - pci_write_config32(PCI_DEV(0, 0x00, 0), MCHBAR, (uintptr_t)DEFAULT_MCHBAR | 1); - pci_write_config32(PCI_DEV(0, 0x00, 0), MCHBAR + 4, (0LL+(uintptr_t)DEFAULT_MCHBAR) >> 32); - pci_write_config32(PCI_DEV(0, 0x00, 0), PCIEXBAR, DEFAULT_PCIEXBAR | 5); /* 64MB - busses 0-63 */ - pci_write_config32(PCI_DEV(0, 0x00, 0), PCIEXBAR + 4, (0LL+DEFAULT_PCIEXBAR) >> 32); - pci_write_config32(PCI_DEV(0, 0x00, 0), DMIBAR, (uintptr_t)DEFAULT_DMIBAR | 1); - pci_write_config32(PCI_DEV(0, 0x00, 0), DMIBAR + 4, (0LL+(uintptr_t)DEFAULT_DMIBAR) >> 32); - - /* Set C0000-FFFFF to access RAM on both reads and writes */ - pci_write_config8(PCI_DEV(0, 0x00, 0), PAM0, 0x30); - pci_write_config8(PCI_DEV(0, 0x00, 0), PAM1, 0x33); - pci_write_config8(PCI_DEV(0, 0x00, 0), PAM2, 0x33); - pci_write_config8(PCI_DEV(0, 0x00, 0), PAM3, 0x33); - pci_write_config8(PCI_DEV(0, 0x00, 0), PAM4, 0x33); - pci_write_config8(PCI_DEV(0, 0x00, 0), PAM5, 0x33); - pci_write_config8(PCI_DEV(0, 0x00, 0), PAM6, 0x33); - -#if CONFIG_ELOG_BOOT_COUNT - /* Increment Boot Counter for non-S3 resume */ - if ((inw(DEFAULT_PMBASE + PM1_STS) & WAK_STS) && - ((inl(DEFAULT_PMBASE + PM1_CNT) >> 10) & 7) != SLP_TYP_S3) - boot_count_increment(); -#endif - - printk(BIOS_DEBUG, " done.\n"); - -#if CONFIG_ELOG_BOOT_COUNT - /* Increment Boot Counter except when resuming from S3 */ - if ((inw(DEFAULT_PMBASE + PM1_STS) & WAK_STS) && - ((inl(DEFAULT_PMBASE + PM1_CNT) >> 10) & 7) == SLP_TYP_S3) - return; - boot_count_increment(); -#endif -} - -void sandybridge_early_initialization(int chipset_type) -{ - u32 capid0_a; - u8 reg8; - - /* Device ID Override Enable should be done very early */ - capid0_a = pci_read_config32(PCI_DEV(0, 0, 0), 0xe4); - if (capid0_a & (1 << 10)) { - reg8 = pci_read_config8(PCI_DEV(0, 0, 0), 0xf3); - reg8 &= ~7; /* Clear 2:0 */ - - if (chipset_type == SANDYBRIDGE_MOBILE) - reg8 |= 1; /* Set bit 0 */ - - pci_write_config8(PCI_DEV(0, 0, 0), 0xf3, reg8); - } - - /* Setup all BARs required for early PCIe and raminit */ - sandybridge_setup_bars(); -} diff --git a/src/northbridge/intel/fsp_sandybridge/finalize.c b/src/northbridge/intel/fsp_sandybridge/finalize.c deleted file mode 100644 index 90c3635a7c..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/finalize.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 The Chromium OS Authors. All rights reserved. - * - * 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. - */ - -#include <arch/io.h> -#include <stdlib.h> -#include "northbridge.h" - -#define PCI_DEV_SNB PCI_DEV(0, 0, 0) - -void intel_sandybridge_finalize_smm(void) -{ - pcie_or_config16(PCI_DEV_SNB, 0x50, 1 << 0); /* GGC */ - pcie_or_config32(PCI_DEV_SNB, 0x5c, 1 << 0); /* DPR */ - pcie_or_config32(PCI_DEV_SNB, 0x78, 1 << 10); /* ME */ - pcie_or_config32(PCI_DEV_SNB, 0x90, 1 << 0); /* REMAPBASE */ - pcie_or_config32(PCI_DEV_SNB, 0x98, 1 << 0); /* REMAPLIMIT */ - pcie_or_config32(PCI_DEV_SNB, 0xa0, 1 << 0); /* TOM */ - pcie_or_config32(PCI_DEV_SNB, 0xa8, 1 << 0); /* TOUUD */ - pcie_or_config32(PCI_DEV_SNB, 0xb0, 1 << 0); /* BDSM */ - pcie_or_config32(PCI_DEV_SNB, 0xb4, 1 << 0); /* BGSM */ - pcie_or_config32(PCI_DEV_SNB, 0xb8, 1 << 0); /* TSEGMB */ - pcie_or_config32(PCI_DEV_SNB, 0xbc, 1 << 0); /* TOLUD */ - - MCHBAR32_OR(0x5500, 1 << 0); /* PAVP */ - MCHBAR32_OR(0x5f00, 1 << 31); /* SA PM */ - MCHBAR32_OR(0x6020, 1 << 0); /* UMA GFX */ - MCHBAR32_OR(0x63fc, 1 << 0); /* VTDTRK */ - MCHBAR32_OR(0x6800, 1 << 31); - MCHBAR32_OR(0x7000, 1 << 31); - MCHBAR32_OR(0x77fc, 1 << 0); - - /* Memory Controller Lockdown */ - MCHBAR8(0x50fc) = 0x8f; - - /* Read+write the following */ - MCHBAR32(0x6030) = MCHBAR32(0x6030); - MCHBAR32(0x6034) = MCHBAR32(0x6034); - MCHBAR32(0x6008) = MCHBAR32(0x6008); -} diff --git a/src/northbridge/intel/fsp_sandybridge/fsp/Kconfig b/src/northbridge/intel/fsp_sandybridge/fsp/Kconfig deleted file mode 100644 index 82e5361505..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/fsp/Kconfig +++ /dev/null @@ -1,40 +0,0 @@ -## -## This file is part of the coreboot project. -## -## Copyright (C) 2014 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. -## - -config SANDYBRIDGE_FSP_SPECIFIC_OPTIONS - def_bool y - select PLATFORM_USES_FSP1_0 - select USE_GENERIC_FSP_CAR_INC - -config FSP_FILE - string - default "../intel/fsp/ivybridge_bd82x6x/FvFsp.bin" if SOUTHBRIDGE_INTEL_FSP_BD82X6X - help - The path and filename of the Intel FSP binary for this platform. - -config FSP_LOC - hex "Intel FSP Binary location in CBFS" - default 0xfff80000 - help - The location in CBFS that the FSP is located. This must match the - value that is set in the FSP binary. If the FSP needs to be moved, - rebase the FSP with the Intel's BCT (tool). - - The Ivy Bridge Processor/Panther Point FSP is built with a preferred - base address of 0xFFF80000 diff --git a/src/northbridge/intel/fsp_sandybridge/fsp/Makefile.inc b/src/northbridge/intel/fsp_sandybridge/fsp/Makefile.inc deleted file mode 100644 index 282570351b..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/fsp/Makefile.inc +++ /dev/null @@ -1,21 +0,0 @@ -# -# This file is part of the coreboot project. -# -# Copyright (C) 2014 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. -# - -ramstage-y += chipset_fsp_util.c -romstage-y += chipset_fsp_util.c diff --git a/src/northbridge/intel/fsp_sandybridge/fsp/chipset_fsp_util.c b/src/northbridge/intel/fsp_sandybridge/fsp/chipset_fsp_util.c deleted file mode 100644 index e9dad29f4c..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/fsp/chipset_fsp_util.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2013-2014 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. - */ - -#include <types.h> -#include <string.h> -#include <console/console.h> -#include <bootstate.h> -#include <cbmem.h> -#include <device/device.h> -#include <southbridge_pci_devs.h> -#include <fsp_util.h> -#include "../chip.h" -#include <reset.h> - -#ifndef CONFIG_ENABLE_FSP_FAST_BOOT -# error "CONFIG_ENABLE_FSP_FAST_BOOT must be set." -#endif - -#ifdef __PRE_RAM__ - -#if IS_ENABLED(CONFIG_SOUTHBRIDGE_INTEL_FSP_I89XX) -static void GetUpdDefaultFromFsp (FSP_INFO_HEADER *FspInfo, UPD_DATA_REGION *UpdData) -{ - VPD_DATA_REGION *VpdDataRgnPtr; - UPD_DATA_REGION *UpdDataRgnPtr; - VpdDataRgnPtr = (VPD_DATA_REGION *)(UINT32)(FspInfo->CfgRegionOffset + FspInfo->ImageBase); - UpdDataRgnPtr = (UPD_DATA_REGION *)(UINT32)(VpdDataRgnPtr->PcdUpdRegionOffset + FspInfo->ImageBase); - memcpy((void*)UpdData, (void*)UpdDataRgnPtr, sizeof(UPD_DATA_REGION)); -} - -static void ConfigureDefaultUpdData(UPD_DATA_REGION *UpdData) -{ - UpdData->HTEnable = TRUE; - UpdData->TurboEnable = FALSE; - UpdData->MemoryDownEnable = FALSE; - UpdData->FastBootEnable = CONFIG_ENABLE_FSP_FAST_BOOT; -} -#else /* IS_ENABLED(CONFIG_SOUTHBRIDGE_INTEL_FSP_I89XX) */ -const PLATFORM_CONFIG DefaultPlatformConfig = { - TRUE, /* Hyperthreading */ - FALSE, /* Turbo Mode */ - FALSE, /* Memory Down */ -#if IS_ENABLED(CONFIG_ENABLE_FSP_FAST_BOOT) - TRUE, /* Fast Boot */ -#else - FALSE, /* Fast Boot */ -#endif /* CONFIG_ENABLE_FSP_FAST_BOOT */ -}; -#endif /* IS_ENABLED(CONFIG_SOUTHBRIDGE_INTEL_FSP_I89XX) */ - -/* - * - * Call the FSP to do memory init. The FSP doesn't return to this function. - * The FSP returns to the romstage_main_continue(). - * - */ -void chipset_fsp_early_init(FSP_INIT_PARAMS *FspInitParams, - FSP_INFO_HEADER *fsp_ptr) -{ - FSP_INIT_RT_BUFFER *pFspRtBuffer = FspInitParams->RtBufferPtr; -#if IS_ENABLED(CONFIG_SOUTHBRIDGE_INTEL_FSP_I89XX) - UPD_DATA_REGION *fsp_upd_data = pFspRtBuffer->Common.UpdDataRgnPtr; -#else - MEM_CONFIG MemoryConfig; - memset((void*)&MemoryConfig, 0, sizeof(MEM_CONFIG)); -#endif - FspInitParams->NvsBufferPtr = NULL; - -#if IS_ENABLED(CONFIG_SOUTHBRIDGE_INTEL_FSP_I89XX) - /* Initialize the UPD Data */ - GetUpdDefaultFromFsp (fsp_ptr, fsp_upd_data); - ConfigureDefaultUpdData(fsp_upd_data); -#else - pFspRtBuffer->Platform.MemoryConfig = &MemoryConfig; - pFspRtBuffer->PlatformConfiguration.PlatformConfig = &DefaultPlatformConfig; -#endif - -#if IS_ENABLED(CONFIG_ENABLE_FSP_FAST_BOOT) - /* Find the fastboot cache that was saved in the ROM */ - FspInitParams->NvsBufferPtr = find_and_set_fastboot_cache(); -#endif - - pFspRtBuffer->Common.BootMode = 0; -} - -/* The FSP returns here after the fsp_early_init call */ -void ChipsetFspReturnPoint(EFI_STATUS Status, - VOID *HobListPtr) -{ - *(void **)CBMEM_FSP_HOB_PTR=HobListPtr; - if (Status == 0xFFFFFFFF) { - hard_reset(); - } - romstage_main_continue(Status, HobListPtr); -} - -#endif /* __PRE_RAM__ */ diff --git a/src/northbridge/intel/fsp_sandybridge/fsp/chipset_fsp_util.h b/src/northbridge/intel/fsp_sandybridge/fsp/chipset_fsp_util.h deleted file mode 100644 index cb0434776b..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/fsp/chipset_fsp_util.h +++ /dev/null @@ -1,68 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2013-2014 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 CHIPSET_FSP_UTIL_H -#define CHIPSET_FSP_UTIL_H - -#include <fsptypes.h> -#include <fspfv.h> -#include <fspffs.h> -#include <fspapi.h> -#include <fspplatform.h> -#include <fspinfoheader.h> -#include <fsphob.h> -#if IS_ENABLED(CONFIG_SOUTHBRIDGE_INTEL_FSP_I89XX) -#include <peifsp.h> -#include <fsp_vpd.h> -#endif - -#define FSP_RESERVE_MEMORY_SIZE 0x200000 - -#define FSP_INFO_HEADER_GUID \ - { \ - 0x912740BE, 0x2284, 0x4734, {0xB9, 0x71, 0x84, 0xB0, 0x27, 0x35, 0x3F, 0x0C} \ - } - -#define FSP_NON_VOLATILE_STORAGE_HOB_GUID \ - { \ - 0x721acf02, 0x4d77, 0x4c2a, { 0xb3, 0xdc, 0x27, 0xb, 0x7b, 0xa9, 0xe4, 0xb0 } \ - } - - -/* - *The FSP Image ID is different for each platform's FSP and - * can be used to verify that the right FSP binary is loaded. - */ - -#if IS_ENABLED(CONFIG_SOUTHBRIDGE_INTEL_FSP_I89XX) -/* ST2-FSP0 */ -#define FSP_IMAGE_ID_DWORD0 0x2D325453 -#define FSP_IMAGE_ID_DWORD1 0x30505346 -#elif IS_ENABLED(CONFIG_SOUTHBRIDGE_INTEL_FSP_BD82X6X) -/* CC2-FSP\0 */ -#define FSP_IMAGE_ID_DWORD0 0x2D324343 -#define FSP_IMAGE_ID_DWORD1 0x00505346 -#endif - -#ifdef __PRE_RAM__ -void main(FSP_INFO_HEADER *fsp_info_header); -void romstage_main_continue(EFI_STATUS status, VOID *HobListPtr); -#endif - -#endif /* CHIPSET_FSP_UTIL_H */ diff --git a/src/northbridge/intel/fsp_sandybridge/gma.c b/src/northbridge/intel/fsp_sandybridge/gma.c deleted file mode 100644 index 132a1b869b..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/gma.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2011 Chromium OS Authors - * - * 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. - */ - -#include <arch/io.h> -#include <console/console.h> -#include <delay.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> - -#include "chip.h" -#include "northbridge.h" - - -/* some vga option roms are used for several chipsets but they only have one - * PCI ID in their header. If we encounter such an option rom, we need to do - * the mapping ourselfes - */ - -u32 map_oprom_vendev(u32 vendev) -{ - u32 new_vendev=vendev; - - switch (vendev) { - case 0x80860102: /* GT1 Desktop */ - case 0x8086010a: /* GT1 Server */ - case 0x80860112: /* GT2 Desktop */ - case 0x80860116: /* GT2 Mobile */ - case 0x80860122: /* GT2 Desktop >=1.3GHz */ - case 0x80860126: /* GT2 Mobile >=1.3GHz */ - case 0x80860166: /* IVB */ - new_vendev=0x80860106; /* GT1 Mobile */ - break; - } - - return new_vendev; -} - -static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device) -{ - if (!vendor || !device) { - pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, - pci_read_config32(dev, PCI_VENDOR_ID)); - } else { - pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, - ((device & 0xffff) << 16) | (vendor & 0xffff)); - } -} - -const struct i915_gpu_controller_info * -intel_gma_get_controller_info(void) -{ - device_t dev = dev_find_slot(0, PCI_DEVFN(0x2,0)); - if (!dev) { - return NULL; - } - struct northbridge_intel_fsp_sandybridge_config *chip = dev->chip_info; - return &chip->gfx; -} - -static void gma_ssdt(device_t device) -{ - const struct i915_gpu_controller_info *gfx = intel_gma_get_controller_info(); - if (!gfx) { - return; - } - - drivers_intel_gma_displays_ssdt_generate(gfx); -} - -static struct pci_operations gma_pci_ops = { - .set_subsystem = gma_set_subsystem, -}; - -static struct device_operations gma_func0_ops = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .acpi_fill_ssdt_generator = gma_ssdt, - .init = pci_dev_init, - .scan_bus = 0, - .enable = 0, - .ops_pci = &gma_pci_ops, -}; - -static const unsigned short gma_ids[] = { - 0x0102, 0x0106, 0x010a, 0x0112, 0x0116, 0x0122, 0x0126, 0x166, - 0, -}; -static const struct pci_driver gma_gt1_desktop __pci_driver = { - .ops = &gma_func0_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .devices= gma_ids, -}; diff --git a/src/northbridge/intel/fsp_sandybridge/gma.h b/src/northbridge/intel/fsp_sandybridge/gma.h deleted file mode 100644 index 9cc2241410..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/gma.h +++ /dev/null @@ -1,167 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 Chromium OS Authors - * - * 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. - */ - -/* mailbox 0: header */ -typedef struct { - u8 signature[16]; - u32 size; - u32 version; - u8 sbios_version[32]; - u8 vbios_version[16]; - u8 driver_version[16]; - u32 mailboxes; - u8 reserved[164]; -} __attribute__((packed)) opregion_header_t; - -#define IGD_OPREGION_SIGNATURE "IntelGraphicsMem" -#define IGD_OPREGION_VERSION 2 - -#define IGD_MBOX1 (1 << 0) -#define IGD_MBOX2 (1 << 1) -#define IGD_MBOX3 (1 << 2) -#define IGD_MBOX4 (1 << 3) -#define IGD_MBOX5 (1 << 4) - -#define MAILBOXES_MOBILE (IGD_MBOX1 | IGD_MBOX2 | IGD_MBOX3 | \ - IGD_MBOX4 | IGD_MBOX5) -#define MAILBOXES_DESKTOP (IGD_MBOX2 | IGD_MBOX4) - -#define SBIOS_VERSION_SIZE 32 - -/* mailbox 1: public acpi methods */ -typedef struct { - u32 drdy; - u32 csts; - u32 cevt; - u8 reserved1[20]; - u32 didl[8]; - u32 cpdl[8]; - u32 cadl[8]; - u32 nadl[8]; - u32 aslp; - u32 tidx; - u32 chpd; - u32 clid; - u32 cdck; - u32 sxsw; - u32 evts; - u32 cnot; - u32 nrdy; - u8 reserved2[60]; -} __attribute__((packed)) opregion_mailbox1_t; - -/* mailbox 2: software sci interface */ -typedef struct { - u32 scic; - u32 parm; - u32 dslp; - u8 reserved[244]; -} __attribute__((packed)) opregion_mailbox2_t; - -/* mailbox 3: power conservation */ -typedef struct { - u32 ardy; - u32 aslc; - u32 tche; - u32 alsi; - u32 bclp; - u32 pfit; - u32 cblv; - u16 bclm[20]; - u32 cpfm; - u32 epfm; - u8 plut[74]; - u32 pfmb; - u32 ccdv; - u32 pcft; - u8 reserved[94]; -} __attribute__((packed)) opregion_mailbox3_t; - -#define IGD_BACKLIGHT_BRIGHTNESS 0xff -#define IGD_INITIAL_BRIGHTNESS 0x64 - -#define IGD_FIELD_VALID (1 << 31) -#define IGD_WORD_FIELD_VALID (1 << 15) -#define IGD_PFIT_STRETCH 6 - -/* mailbox 4: vbt */ -typedef struct { - u8 gvd1[7168]; -} __attribute__((packed)) opregion_vbt_t; - -/* IGD OpRegion */ -typedef struct { - opregion_header_t header; - opregion_mailbox1_t mailbox1; - opregion_mailbox2_t mailbox2; - opregion_mailbox3_t mailbox3; - opregion_vbt_t vbt; -} __attribute__((packed)) igd_opregion_t; - -/* Intel Video BIOS (Option ROM) */ -typedef struct { - u16 signature; - u8 size; - u8 reserved[21]; - u16 pcir_offset; - u16 vbt_offset; -} __attribute__((packed)) optionrom_header_t; - -#define OPROM_SIGNATURE 0xaa55 - -typedef struct { - u32 signature; - u16 vendor; - u16 device; - u16 reserved1; - u16 length; - u8 revision; - u8 classcode[3]; - u16 imagelength; - u16 coderevision; - u8 codetype; - u8 indicator; - u16 reserved2; -} __attribute__((packed)) optionrom_pcir_t; - -typedef struct { - u8 hdr_signature[20]; - u16 hdr_version; - u16 hdr_size; - u16 hdr_vbt_size; - u8 hdr_vbt_checksum; - u8 hdr_reserved; - u32 hdr_vbt_datablock; - u32 hdr_aim[4]; - u8 datahdr_signature[16]; - u16 datahdr_version; - u16 datahdr_size; - u16 datahdr_datablocksize; - u8 coreblock_id; - u16 coreblock_size; - u16 coreblock_biossize; - u8 coreblock_biostype; - u8 coreblock_releasestatus; - u8 coreblock_hwsupported; - u8 coreblock_integratedhw; - u8 coreblock_biosbuild[4]; - u8 coreblock_biossignon[155]; -} __attribute__((packed)) optionrom_vbt_t; - -#define VBT_SIGNATURE 0x54425624 diff --git a/src/northbridge/intel/fsp_sandybridge/northbridge.c b/src/northbridge/intel/fsp_sandybridge/northbridge.c deleted file mode 100644 index 3f982c4a17..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/northbridge.c +++ /dev/null @@ -1,407 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007-2009 coresystems GmbH - * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. - * 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. - */ - -#include <console/console.h> -#include <arch/acpi.h> -#include <arch/io.h> -#include <stdint.h> -#include <delay.h> -#include <cpu/intel/fsp_model_206ax/model_206ax.h> -#include <cpu/x86/msr.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <device/hypertransport.h> -#include <stdlib.h> -#include <string.h> -#include <cpu/cpu.h> -#include <cbmem.h> -#include "chip.h" -#include "northbridge.h" -#include <fsp_util.h> -#include <cpu/intel/smm/gen1/smi.h> - -static int bridge_revision_id = -1; - -/* IGD UMA memory */ -static uint64_t uma_memory_base = 0; -static uint64_t uma_memory_size = 0; - -int bridge_silicon_revision(void) -{ - if (bridge_revision_id < 0) { - uint8_t stepping = cpuid_eax(1) & 0xf; - uint8_t bridge_id = pci_read_config16( - dev_find_slot(0, PCI_DEVFN(0, 0)), - PCI_DEVICE_ID) & 0xf0; - bridge_revision_id = bridge_id | stepping; - } - return bridge_revision_id; -} - -/* Reserve everything between A segment and 1MB: - * - * 0xa0000 - 0xbffff: legacy VGA - * 0xc0000 - 0xcffff: VGA OPROM (needed by kernel) - * 0xe0000 - 0xfffff: SeaBIOS, if used, otherwise DMI - */ -static const int legacy_hole_base_k = 0xa0000 / 1024; -static const int legacy_hole_size_k = 384; - -static int get_pcie_bar(u32 *base, u32 *len) -{ - device_t dev; - u32 pciexbar_reg; - - *base = 0; - *len = 0; - - dev = dev_find_slot(0, PCI_DEVFN(0, 0)); - if (!dev) - return 0; - - pciexbar_reg = pci_read_config32(dev, PCIEXBAR); - - if (!(pciexbar_reg & (1 << 0))) - return 0; - - switch ((pciexbar_reg >> 1) & 3) { - case 0: // 256MB - *base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)); - *len = 256 * 1024 * 1024; - return 1; - case 1: // 128M - *base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)); - *len = 128 * 1024 * 1024; - return 1; - case 2: // 64M - *base = pciexbar_reg & ((1 << 31)|(1 << 30)|(1 << 29)|(1 << 28)|(1 << 27)|(1 << 26)); - *len = 64 * 1024 * 1024; - return 1; - } - - return 0; -} - -static void add_fixed_resources(struct device *dev, int index) -{ - struct resource *resource; - u32 pcie_config_base, pcie_config_size; - - mmio_resource(dev, index++, uma_memory_base >> 10, uma_memory_size >> 10); - - if (get_pcie_bar(&pcie_config_base, &pcie_config_size)) { - printk(BIOS_DEBUG, "Adding PCIe config bar base=0x%08x " - "size=0x%x\n", pcie_config_base, pcie_config_size); - resource = new_resource(dev, index++); - resource->base = (resource_t) pcie_config_base; - resource->size = (resource_t) pcie_config_size; - resource->flags = IORESOURCE_MEM | IORESOURCE_RESERVE | - IORESOURCE_FIXED | IORESOURCE_STORED | IORESOURCE_ASSIGNED; - } - - mmio_resource(dev, index++, legacy_hole_base_k, legacy_hole_size_k); -} - -static void pci_domain_set_resources(device_t dev) -{ - uint64_t tom, me_base, touud; - uint32_t tseg_base, uma_size, tolud; - uint16_t ggc; - unsigned long long tomk; - - tomk = ggc = tseg_base = uma_size = tolud = tom = me_base = touud = 0; - - /* Total Memory 2GB example: - * - * 00000000 0000MB-1992MB 1992MB RAM (writeback) - * 7c800000 1992MB-2000MB 8MB TSEG (SMRR) - * 7d000000 2000MB-2002MB 2MB GFX GTT (uncached) - * 7d200000 2002MB-2034MB 32MB GFX UMA (uncached) - * 7f200000 2034MB TOLUD - * 7f800000 2040MB MEBASE - * 7f800000 2040MB-2048MB 8MB ME UMA (uncached) - * 80000000 2048MB TOM - * 100000000 4096MB-4102MB 6MB RAM (writeback) - * - * Total Memory 4GB example: - * - * 00000000 0000MB-2768MB 2768MB RAM (writeback) - * ad000000 2768MB-2776MB 8MB TSEG (SMRR) - * ad800000 2776MB-2778MB 2MB GFX GTT (uncached) - * ada00000 2778MB-2810MB 32MB GFX UMA (uncached) - * afa00000 2810MB TOLUD - * ff800000 4088MB MEBASE - * ff800000 4088MB-4096MB 8MB ME UMA (uncached) - * 100000000 4096MB TOM - * 100000000 4096MB-5374MB 1278MB RAM (writeback) - * 14fe00000 5368MB TOUUD - */ - - /* Top of Upper Usable DRAM, including remap */ - touud = pci_read_config32(dev, TOUUD+4); - touud <<= 32; - touud |= pci_read_config32(dev, TOUUD) & ~(1UL << 0); - - /* Top of Lower Usable DRAM */ - tolud = pci_read_config32(dev, TOLUD) & ~(1UL << 0); - - /* Top of Memory - does not account for any UMA */ - tom = pci_read_config32(dev, 0xa4); - tom <<= 32; - tom |= pci_read_config32(dev, 0xa0) & ~(1UL << 0); - - printk(BIOS_DEBUG, "TOUUD 0x%llx TOLUD 0x%08x TOM 0x%llx\n", - touud, tolud, tom); - - /* ME UMA needs excluding if total memory <4GB */ - me_base = pci_read_config32(dev, 0x74); - me_base <<= 32; - me_base |= pci_read_config32(dev, 0x70); - - printk(BIOS_DEBUG, "MEBASE 0x%llx\n", me_base); - - tomk = tolud >> 10; - if (me_base == tolud) { - /* ME is from MEBASE-TOM */ - uma_size = (tom - me_base) >> 10; - /* Increment TOLUD to account for ME as RAM */ - tolud += uma_size << 10; - /* UMA starts at old TOLUD */ - uma_memory_base = tomk * 1024ULL; - uma_memory_size = uma_size * 1024ULL; - printk(BIOS_DEBUG, "ME UMA base 0x%llx size %uM\n", - me_base, uma_size >> 10); - } - - /* Graphics memory comes next */ - ggc = pci_read_config16(dev, GGC); - if (!(ggc & 2)) { - printk(BIOS_DEBUG, "IGD decoded, subtracting "); - - /* Graphics memory */ - uma_size = ((ggc >> 3) & 0x1f) * 32 * 1024ULL; - printk(BIOS_DEBUG, "%uM UMA", uma_size >> 10); - tomk -= uma_size; - uma_memory_base = tomk * 1024ULL; - uma_memory_size += uma_size * 1024ULL; - - /* GTT Graphics Stolen Memory Size (GGMS) */ - uma_size = ((ggc >> 8) & 0x3) * 1024ULL; - tomk -= uma_size; - uma_memory_base = tomk * 1024ULL; - uma_memory_size += uma_size * 1024ULL; - printk(BIOS_DEBUG, " and %uM GTT\n", uma_size >> 10); - } - - /* Calculate TSEG size from its base which must be below GTT */ - uma_memory_base = tomk * 1024ULL; - tseg_base = pci_read_config32(dev, 0xb8) & ~(1UL << 0); - uma_size = (uma_memory_base - tseg_base) >> 10; - tomk -= uma_size; - uma_memory_base = tomk * 1024ULL; - uma_memory_size += uma_size * 1024ULL; - printk(BIOS_DEBUG, "TSEG base 0x%08x size %uM\n", - tseg_base, uma_size >> 10); - - printk(BIOS_INFO, "Available memory below 4GB: %lluM\n", tomk >> 10); - - /* Report the memory regions */ - ram_resource(dev, 3, 0, legacy_hole_base_k); - ram_resource(dev, 4, legacy_hole_base_k + legacy_hole_size_k, - (tomk - (legacy_hole_base_k + legacy_hole_size_k))); - - /* - * If >= 4GB installed then memory from TOLUD to 4GB - * is remapped above TOM, TOUUD will account for both - */ - touud >>= 10; /* Convert to KB */ - if (touud > 4096 * 1024) { - ram_resource(dev, 5, 4096 * 1024, touud - (4096 * 1024)); - printk(BIOS_INFO, "Available memory above 4GB: %lluM\n", - (touud >> 10) - 4096); - } - - add_fixed_resources(dev, 6); - - assign_resources(dev->link_list); -} - - /* TODO We could determine how many PCIe busses we need in - * the bar. For now that number is hardcoded to a max of 64. - * See e7525/northbridge.c for an example. - */ -static struct device_operations pci_domain_ops = { - .read_resources = pci_domain_read_resources, - .set_resources = pci_domain_set_resources, - .enable_resources = NULL, - .init = NULL, - .scan_bus = pci_domain_scan_bus, - .ops_pci_bus = pci_bus_default_ops, -}; - -static void mc_read_resources(device_t dev) -{ - struct resource *resource; - - pci_dev_read_resources(dev); - - /* So, this is one of the big mysteries in the coreboot resource - * allocator. This resource should make sure that the address space - * of the PCIe memory mapped config space bar. But it does not. - */ - - /* We use 0xcf as an unused index for our PCIe bar so that we find it again */ - resource = new_resource(dev, 0xcf); - resource->base = DEFAULT_PCIEXBAR; - resource->size = 64 * 1024 * 1024; /* 64MB hard coded PCIe config space */ - resource->flags = - IORESOURCE_MEM | IORESOURCE_FIXED | IORESOURCE_STORED | - IORESOURCE_ASSIGNED; - printk(BIOS_DEBUG, "Adding PCIe enhanced config space BAR 0x%08lx-0x%08lx.\n", - (unsigned long)(resource->base), (unsigned long)(resource->base + resource->size)); -} - -static void mc_set_resources(device_t dev) -{ - struct resource *resource; - - /* Report the PCIe BAR */ - resource = find_resource(dev, 0xcf); - if (resource) { - report_resource_stored(dev, resource, "<mmconfig>"); - } - - /* And call the normal set_resources */ - pci_dev_set_resources(dev); -} - -static void intel_set_subsystem(device_t dev, unsigned vendor, unsigned device) -{ - if (!vendor || !device) { - pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, - pci_read_config32(dev, PCI_VENDOR_ID)); - } else { - pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID, - ((device & 0xffff) << 16) | (vendor & 0xffff)); - } -} - -static void northbridge_init(struct device *dev) -{ - u8 bios_reset_cpl; - - /* - * Set bit 0 of BIOS_RESET_CPL to indicate to the CPU - * that BIOS has initialized memory and power management - */ - bios_reset_cpl = MCHBAR8(BIOS_RESET_CPL); - bios_reset_cpl |= 1; - MCHBAR8(BIOS_RESET_CPL) = bios_reset_cpl; - printk(BIOS_DEBUG, "Set BIOS_RESET_CPL\n"); -} - -static u32 northbridge_get_base_reg(device_t dev, int reg) -{ - u32 value; - - value = pci_read_config32(dev, reg); - /* Base registers are at 1MiB granularity. */ - value &= ~((1 << 20) - 1); - return value; -} - -void -northbridge_get_tseg_base_and_size(u32 *tsegmb, u32 *tseg_size) -{ - device_t dev; - u32 bgsm; - dev = dev_find_slot(0, PCI_DEVFN(0, 0)); - - *tsegmb = northbridge_get_base_reg(dev, TSEG); - bgsm = northbridge_get_base_reg(dev, BGSM); - *tseg_size = bgsm - *tsegmb; -} - -void northbridge_write_smram(u8 smram) -{ - pci_write_config8(dev_find_slot(0, PCI_DEVFN(0, 0)), SMRAM, smram); -} - -static struct pci_operations intel_pci_ops = { - .set_subsystem = intel_set_subsystem, -}; - -static struct device_operations mc_ops = { - .read_resources = mc_read_resources, - .set_resources = mc_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = northbridge_init, - .scan_bus = 0, - .ops_pci = &intel_pci_ops, - .acpi_fill_ssdt_generator = generate_cpu_entries, -}; - -static const struct pci_driver mc_driver_0100 __pci_driver = { - .ops = &mc_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .device = 0x0100, -}; - -static const struct pci_driver mc_driver __pci_driver = { - .ops = &mc_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .device = 0x0104, /* Sandy bridge */ -}; - -static const struct pci_driver mc_driver_1 __pci_driver = { - .ops = &mc_ops, - .vendor = PCI_VENDOR_ID_INTEL, - .device = 0x0154, /* Ivy bridge */ -}; - -static void cpu_bus_init(device_t dev) -{ - initialize_cpus(dev->link_list); -} - -static struct device_operations cpu_bus_ops = { - .read_resources = DEVICE_NOOP, - .set_resources = DEVICE_NOOP, - .enable_resources = DEVICE_NOOP, - .init = cpu_bus_init, - .scan_bus = 0, -}; - -static void enable_dev(device_t dev) -{ - /* Set the operations if it is a special bus type */ - if (dev->path.type == DEVICE_PATH_DOMAIN) { - dev->ops = &pci_domain_ops; - } else if (dev->path.type == DEVICE_PATH_CPU_CLUSTER) { - dev->ops = &cpu_bus_ops; - } -} - -struct chip_operations northbridge_intel_fsp_sandybridge_ops = { - CHIP_NAME("Intel i7 (SandyBridge/IvyBridge) integrated Northbridge") - .enable_dev = enable_dev, -}; diff --git a/src/northbridge/intel/fsp_sandybridge/northbridge.h b/src/northbridge/intel/fsp_sandybridge/northbridge.h deleted file mode 100644 index 4861254902..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/northbridge.h +++ /dev/null @@ -1,231 +0,0 @@ -/* - * 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__ */ diff --git a/src/northbridge/intel/fsp_sandybridge/northbridge_pci_devs.h b/src/northbridge/intel/fsp_sandybridge/northbridge_pci_devs.h deleted file mode 100644 index b63149f61f..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/northbridge_pci_devs.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2013 Google Inc. - * Copyright (C) 2014 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 _INTEL_FSP_SANDYBRIDGE_PCI_DEVS_H_ -#define _INTEL_FSP_SANDYBRIDGE_PCI_DEVS_H_ - -#include <device/pci_def.h> - -#define BUS0 0 - -/* NB PCIe PEG slot */ -#define NB_PEG_DEV 0x01 -#define NB_PEG_FUNC 0 -# define NB_PEG_DEVFN PCI_DEVFN(NB_PEG_DEV, NB_PEG_FUNC) -#define PCIE_CTRL1_FUNC 1 -# define PCIE_CTRL1_DEVFN PCI_DEVFN(NB_PEG_DEV, PCIE_CTRL1_FUNC) -#define PCIE_CTRL2_FUNC 2 -# define PCIE_CTRL2_DEVFN PCI_DEVFN(NB_PEG_DEV, PCIE_CTRL2_FUNC) - -/* Onboard Graphics */ -#define GFX_DEV 0x02 -#define GFX_FUNC 0 -# define GFX_DEVFN PCI_DEVFN(GFX_DEV, GFX_FUNC) - -/* NB PCIe slot */ -#define NB_PCIE_DEV 0x06 -#define NB_PCIE_FUNC 0 -# define NB_PCIE_DEVFN PCI_DEVFN(NB_PCIE_DEV, NB_PCIE_FUNC) - -#endif /* _INTEL_FSP_SANDYBRIDGE_PCI_DEVS_H_ */ diff --git a/src/northbridge/intel/fsp_sandybridge/ram_calc.c b/src/northbridge/intel/fsp_sandybridge/ram_calc.c deleted file mode 100644 index 37d74fc617..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/ram_calc.c +++ /dev/null @@ -1,38 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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. - */ - -#define __SIMPLE_DEVICE__ - -#include <arch/io.h> -#include <cbmem.h> -#include <fsp_util.h> -#include "northbridge.h" - -static uintptr_t smm_region_start(void) -{ - /* Base of TSEG is top of usable DRAM */ - uintptr_t tom = pci_read_config32(PCI_DEV(0,0,0), TSEG) & ~(1UL << 0); - return tom; -} - -void *cbmem_top(void) -{ - return (void *) (smm_region_start() - FSP_RESERVE_MEMORY_SIZE); -} diff --git a/src/northbridge/intel/fsp_sandybridge/raminit.c b/src/northbridge/intel/fsp_sandybridge/raminit.c deleted file mode 100644 index 408b4b0611..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/raminit.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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. - * - * 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. - */ - -#include <console/console.h> -#include <string.h> -#include <arch/io.h> -#include <cbmem.h> -#include <device/pci_def.h> -#include "raminit.h" -#include "northbridge.h" - -static const char* ecc_decoder[] = { - "inactive", - "active on IO", - "disabled on IO", - "active" -}; - -/* - * Dump in the log memory controller configuration as read from the memory - * controller registers. - */ -void report_memory_config(void) -{ - u32 addr_decoder_common, addr_decode_ch[2]; - int i; - - addr_decoder_common = MCHBAR32(0x5000); - addr_decode_ch[0] = MCHBAR32(0x5004); - addr_decode_ch[1] = MCHBAR32(0x5008); - - printk(BIOS_DEBUG, "memcfg DDR3 clock %d MHz\n", - (MCHBAR32(0x5e04) * 13333 * 2 + 50)/100); - printk(BIOS_DEBUG, "memcfg channel assignment: A: %d, B % d, C % d\n", - addr_decoder_common & 3, - (addr_decoder_common >> 2) & 3, - (addr_decoder_common >> 4) & 3); - - for (i = 0; i < ARRAY_SIZE(addr_decode_ch); i++) { - u32 ch_conf = addr_decode_ch[i]; - printk(BIOS_DEBUG, "memcfg channel[%d] config (%8.8x):\n", - i, ch_conf); - printk(BIOS_DEBUG, " ECC %s\n", - ecc_decoder[(ch_conf >> 24) & 3]); - printk(BIOS_DEBUG, " enhanced interleave mode %s\n", - ((ch_conf >> 22) & 1) ? "on" : "off"); - printk(BIOS_DEBUG, " rank interleave %s\n", - ((ch_conf >> 21) & 1) ? "on" : "off"); - printk(BIOS_DEBUG, " DIMMA %d MB width x%d %s rank%s\n", - ((ch_conf >> 0) & 0xff) * 256, - ((ch_conf >> 19) & 1) ? 16 : 8, - ((ch_conf >> 17) & 1) ? "dual" : "single", - ((ch_conf >> 16) & 1) ? "" : ", selected"); - printk(BIOS_DEBUG, " DIMMB %d MB width x%d %s rank%s\n", - ((ch_conf >> 8) & 0xff) * 256, - ((ch_conf >> 20) & 1) ? 16 : 8, - ((ch_conf >> 18) & 1) ? "dual" : "single", - ((ch_conf >> 16) & 1) ? ", selected" : ""); - } -} diff --git a/src/northbridge/intel/fsp_sandybridge/raminit.h b/src/northbridge/intel/fsp_sandybridge/raminit.h deleted file mode 100644 index c97b64cb2c..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/raminit.h +++ /dev/null @@ -1,25 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 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. - * - * 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 RAMINIT_H -#define RAMINIT_H - -void report_memory_config(void); - -#endif /* RAMINIT_H */ diff --git a/src/northbridge/intel/fsp_sandybridge/report_platform.c b/src/northbridge/intel/fsp_sandybridge/report_platform.c deleted file mode 100644 index e661487a6f..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/report_platform.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2012 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. - */ - -#include <console/console.h> -#include <arch/cpu.h> -#include <string.h> - -#if CONFIG_SOUTHBRIDGE_INTEL_FSP_BD82X6X -#include <southbridge/intel/fsp_bd82x6x/pch.h> -#endif - -#include <arch/io.h> -#include "northbridge.h" - -static void report_cpu_info(void) -{ - struct cpuid_result cpuidr; - u32 i, index; - char cpu_string[50], *cpu_name = cpu_string; /* 48 bytes are reported */ - int vt, txt, aes; - const char *mode[] = {"NOT ", ""}; - - index = 0x80000000; - cpuidr = cpuid(index); - if (cpuidr.eax < 0x80000004) { - strcpy(cpu_string, "Platform info not available"); - } else { - u32 *p = (u32*) cpu_string; - for (i = 2; i <= 4 ; i++) { - cpuidr = cpuid(index + i); - *p++ = cpuidr.eax; - *p++ = cpuidr.ebx; - *p++ = cpuidr.ecx; - *p++ = cpuidr.edx; - } - } - /* Skip leading spaces in CPU name string */ - while (cpu_name[0] == ' ') - cpu_name++; - - cpuidr = cpuid(1); - printk(BIOS_DEBUG, "CPU id(%x): %s\n", cpuidr.eax, cpu_name); - aes = (cpuidr.ecx & (1 << 25)) ? 1 : 0; - txt = (cpuidr.ecx & (1 << 6)) ? 1 : 0; - vt = (cpuidr.ecx & (1 << 5)) ? 1 : 0; - printk(BIOS_DEBUG, "AES %ssupported, TXT %ssupported, VT %ssupported\n", - mode[aes], mode[txt], mode[vt]); -} - -/* The PCI id name match comes from Intel document 472178 */ -static struct { - u16 dev_id; - const char *dev_name; -} pch_table [] = { - {0x1E41, "Desktop Sample"}, - {0x1E42, "Mobile Sample"}, - {0x1E43, "SFF Sample"}, - {0x1E44, "Z77"}, - {0x1E45, "H71"}, - {0x1E46, "Z75"}, - {0x1E47, "Q77"}, - {0x1E48, "Q75"}, - {0x1E49, "B75"}, - {0x1E4A, "H77"}, - {0x1E53, "C216"}, - {0x1E55, "QM77"}, - {0x1E56, "QS77"}, - {0x1E58, "UM77"}, - {0x1E57, "HM77"}, - {0x1E59, "HM76"}, - {0x1E5D, "HM75"}, - {0x1E5E, "HM70"}, - {0x1E5F, "NM70"}, -}; - -static void report_pch_info(void) -{ - int i; - u16 dev_id = pci_read_config16(PCH_LPC_DEV, 2); - - - const char *pch_type = "Unknown"; - for (i = 0; i < ARRAY_SIZE(pch_table); i++) { - if (pch_table[i].dev_id == dev_id) { - pch_type = pch_table[i].dev_name; - break; - } - } - printk (BIOS_DEBUG, "PCH type: %s, device id: %x, rev id %x\n", - pch_type, dev_id, pci_read_config8(PCH_LPC_DEV, 8)); -} - -void report_platform_info(void) -{ - report_cpu_info(); - report_pch_info(); -} diff --git a/src/northbridge/intel/fsp_sandybridge/udelay.c b/src/northbridge/intel/fsp_sandybridge/udelay.c deleted file mode 100644 index e6dcbf180e..0000000000 --- a/src/northbridge/intel/fsp_sandybridge/udelay.c +++ /dev/null @@ -1,55 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007-2008 coresystems GmbH - * - * 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. - */ - -#include <delay.h> -#include <stdint.h> -#include <cpu/x86/tsc.h> -#include <cpu/x86/msr.h> - -/** - * Intel SandyBridge/IvyBridge CPUs always run the TSC at BCLK=100MHz - */ - -void udelay(u32 us) -{ - u32 dword; - tsc_t tsc, tsc1, tscd; - msr_t msr; - u32 fsb = 100, divisor; - u32 d; /* ticks per us */ - - msr = rdmsr(0xce); - divisor = (msr.lo >> 8) & 0xff; - - d = fsb * divisor; /* On Core/Core2 this is divided by 4 */ - multiply_to_tsc(&tscd, us, d); - - tsc1 = rdtsc(); - dword = tsc1.lo + tscd.lo; - if ((dword < tsc1.lo) || (dword < tscd.lo)) { - tsc1.hi++; - } - tsc1.lo = dword; - tsc1.hi += tscd.hi; - - do { - tsc = rdtsc(); - } while ((tsc.hi < tsc1.hi) - || ((tsc.hi == tsc1.hi) && (tsc.lo <= tsc1.lo))); -} |