230 lines
12 KiB
C
230 lines
12 KiB
C
/*
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* Copyright (C) 2014, 2015 Leah Rowe <info@minifree.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "mkdescriptor.h"
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/* Generate a 4KiB Descriptor struct, with default values. */
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/* Read ../descriptor/descriptor.h for an explanation of the default values used here */
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struct DESCRIPTORREGIONRECORD generatedDescriptorStruct(unsigned int romSize, int hasGbe)
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{
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int i;
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struct DESCRIPTORREGIONRECORD descriptorStruct;
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/* Flash Valid Signature Register */
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descriptorStruct.flValSig.signature = 0x0ff0a55a;
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/* Flash Map Registers */
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/* FLMAP0 */
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descriptorStruct.flMaps.flMap0.FCBA = 0x01;
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descriptorStruct.flMaps.flMap0.NC = 0x0;
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descriptorStruct.flMaps.flMap0.reserved1 = 0x00;
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descriptorStruct.flMaps.flMap0.FRBA = 0x04;
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descriptorStruct.flMaps.flMap0.NR = hasGbe ? 0x2 : 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.flMaps.flMap0.reserved2 = 0x00;
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/* FLMAP1 */
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descriptorStruct.flMaps.flMap1.FMBA = 0x06;
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descriptorStruct.flMaps.flMap1.NM = 0x2;
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descriptorStruct.flMaps.flMap1.reserved = 0x00;
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descriptorStruct.flMaps.flMap1.FISBA = 0x10;
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descriptorStruct.flMaps.flMap1.ISL = 0x02;
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/* FLMAP2 */
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descriptorStruct.flMaps.flMap2.FMSBA = 0x20;
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descriptorStruct.flMaps.flMap2.MSL = 0x01;
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descriptorStruct.flMaps.flMap2.reserved = 0x0000;
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/* Component Section Record */
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/* FLCOMP */
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descriptorStruct.componentSection.flcomp.component1Density = componentDensity(romSize);
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descriptorStruct.componentSection.flcomp.component2Density = componentDensity(romSize);
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descriptorStruct.componentSection.flcomp.reserved1 = 0x0;
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descriptorStruct.componentSection.flcomp.reserved2 = 0x00;
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descriptorStruct.componentSection.flcomp.reserved3 = 0x0;
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descriptorStruct.componentSection.flcomp.readClockFrequency = 0x0;
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descriptorStruct.componentSection.flcomp.fastReadSupport = 0x1;
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descriptorStruct.componentSection.flcomp.fastreadClockFrequency = 0x1;
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descriptorStruct.componentSection.flcomp.writeEraseClockFrequency = 0x0;
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descriptorStruct.componentSection.flcomp.readStatusClockFrequency = 0x0;
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descriptorStruct.componentSection.flcomp.reserved4 = 0x0;
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/* FLILL */
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descriptorStruct.componentSection.flill = 0x00000000;
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/* FLPB */
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descriptorStruct.componentSection.flpb = 0x00000000;
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/* Padding */
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for (i = 0; i < 36; i++) {
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descriptorStruct.componentSection.padding[i] = 0xFF;
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}
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/* Flash Descriptor Region Section */
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/* FLREG0 (Descriptor) */
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descriptorStruct.regionSection.flReg0.BASE = 0x0000;
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descriptorStruct.regionSection.flReg0.reserved1 = 0x0;
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descriptorStruct.regionSection.flReg0.LIMIT = 0x0000;
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descriptorStruct.regionSection.flReg0.reserved2 = 0x0;
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/* FLREG1 (BIOS) */
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descriptorStruct.regionSection.flReg1.BASE = (DESCRIPTORREGIONSIZE + (hasGbe ? GBEREGIONSIZE_8K : 0)) >> FLREGIONBITSHIFT; /* see ../descriptor/descriptor.c */
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descriptorStruct.regionSection.flReg1.reserved1 = 0x0;
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descriptorStruct.regionSection.flReg1.LIMIT = ((romSize >> FLREGIONBITSHIFT) - 1); /* see ../descriptor/descriptor.c */
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descriptorStruct.regionSection.flReg1.reserved2 = 0x0;
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/* FLREG2 (ME) */
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descriptorStruct.regionSection.flReg2.BASE = 0x1fff; /* see ../descriptor/descriptor.c */
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descriptorStruct.regionSection.flReg2.reserved1 = 0x0;
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descriptorStruct.regionSection.flReg2.LIMIT = 0x0000; /* see ../descriptor/descriptor.c */
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descriptorStruct.regionSection.flReg2.reserved2 = 0x0;
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/* FLREG3 (Gbe) */
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descriptorStruct.regionSection.flReg3.BASE = hasGbe ? (DESCRIPTORREGIONSIZE >> FLREGIONBITSHIFT) : 0x1fff; /* see ../descriptor/descriptor.c */
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descriptorStruct.regionSection.flReg3.reserved1 = 0x0;
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descriptorStruct.regionSection.flReg3.LIMIT = hasGbe ? (GBEREGIONSIZE_8K >> FLREGIONBITSHIFT) : 0x0000; /* see ../descriptor/descriptor.c */
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descriptorStruct.regionSection.flReg3.reserved2 = 0x0;
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/* FLREG4 (Platform) */
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descriptorStruct.regionSection.flReg4.BASE = 0x1fff; /* see ../descriptor/descriptor.c */
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descriptorStruct.regionSection.flReg4.reserved1 = 0x0;
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descriptorStruct.regionSection.flReg4.LIMIT = 0x0000; /* see ../descriptor/descriptor.c */
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descriptorStruct.regionSection.flReg4.reserved2 = 0x0;
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/* Padding */
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for (i = 0; i < 12; i++) {
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descriptorStruct.regionSection.padding[i] = 0xFF;
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}
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/* Master Access Section */
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/* FLMSTR1 (Host CPU / BIOS) */
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descriptorStruct.masterAccessSection.flMstr1.requesterId = 0x0000;
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descriptorStruct.masterAccessSection.flMstr1.fdRegionReadAccess = 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr1.biosRegionReadAccess = 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr1.meRegionReadAccess = 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr1.gbeRegionReadAccess = 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr1.pdRegionReadAccess = 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr1.reserved1 = 0x0;
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descriptorStruct.masterAccessSection.flMstr1.fdRegionWriteAccess = 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr1.biosRegionWriteAccess = 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr1.meRegionWriteAccess = 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr1.gbeRegionWriteAccess = 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr1.pdRegionWriteAccess = 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr1.reserved2 = 0x0;
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/* FLMSTR2 (ME) */
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descriptorStruct.masterAccessSection.flMstr2.requesterId = 0x0000;
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descriptorStruct.masterAccessSection.flMstr2.fdRegionReadAccess = 0x0; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr2.biosRegionReadAccess = 0x0; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr2.meRegionReadAccess = 0x0; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr2.gbeRegionReadAccess = 0x0; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr2.pdRegionReadAccess = 0x0; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr2.reserved1 = 0x0;
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descriptorStruct.masterAccessSection.flMstr2.fdRegionWriteAccess = 0x0; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr2.biosRegionWriteAccess = 0x0; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr2.meRegionWriteAccess = 0x0; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr2.gbeRegionWriteAccess = 0x0; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr2.pdRegionWriteAccess = 0x0; /* see ../descriptor/descriptor.c */
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descriptorStruct.masterAccessSection.flMstr2.reserved2 = 0x0;
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/* FLMSTR3 (Gbe) */
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descriptorStruct.masterAccessSection.flMstr3.requesterId = 0x0218;
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descriptorStruct.masterAccessSection.flMstr3.fdRegionReadAccess = 0x0;
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descriptorStruct.masterAccessSection.flMstr3.biosRegionReadAccess = 0x0;
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descriptorStruct.masterAccessSection.flMstr3.meRegionReadAccess = 0x0;
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descriptorStruct.masterAccessSection.flMstr3.gbeRegionReadAccess = 0x1;
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descriptorStruct.masterAccessSection.flMstr3.pdRegionReadAccess = 0x0;
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descriptorStruct.masterAccessSection.flMstr3.reserved1 = 0x0;
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descriptorStruct.masterAccessSection.flMstr3.fdRegionWriteAccess = 0x0;
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descriptorStruct.masterAccessSection.flMstr3.biosRegionWriteAccess = 0x0;
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descriptorStruct.masterAccessSection.flMstr3.meRegionWriteAccess = 0x0;
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descriptorStruct.masterAccessSection.flMstr3.gbeRegionWriteAccess = 0x1;
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descriptorStruct.masterAccessSection.flMstr3.pdRegionWriteAccess = 0x0;
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descriptorStruct.masterAccessSection.flMstr3.reserved2 = 0x0;
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/* Padding */
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for (i = 0; i < 148; i++) {
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descriptorStruct.masterAccessSection.padding[i] = 0xFF;
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}
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/* ICH straps */
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/* ICHSTRAP0 */
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descriptorStruct.ichStraps.ichStrap0.meDisable = 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.ichStraps.ichStrap0.reserved1 = 0x04;
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descriptorStruct.ichStraps.ichStrap0.tcoMode = 0x1;
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descriptorStruct.ichStraps.ichStrap0.smBusAddress = 0x64;
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descriptorStruct.ichStraps.ichStrap0.bmcMode = 0x0;
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descriptorStruct.ichStraps.ichStrap0.tripPointSelect = 0x0;
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descriptorStruct.ichStraps.ichStrap0.reserved2 = 0x0;
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descriptorStruct.ichStraps.ichStrap0.integratedGbe = hasGbe ? 0x1 : 0x0;
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descriptorStruct.ichStraps.ichStrap0.lanPhy = hasGbe ? 0x1 : 0x0;
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descriptorStruct.ichStraps.ichStrap0.reserved3 = 0x0;
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descriptorStruct.ichStraps.ichStrap0.dmiRequesterId = 0x0;
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descriptorStruct.ichStraps.ichStrap0.smBus2Address = 0x00;
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/* ICHSTRAP1 */
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descriptorStruct.ichStraps.ichStrap1.northMlink = 0x1;
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descriptorStruct.ichStraps.ichStrap1.southMlink = 0x1;
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descriptorStruct.ichStraps.ichStrap1.meSmbus = 0x1;
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descriptorStruct.ichStraps.ichStrap1.sstDynamic = 0x1;
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descriptorStruct.ichStraps.ichStrap1.reserved1 = 0x0;
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descriptorStruct.ichStraps.ichStrap1.northMlink2 = 0x1;
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descriptorStruct.ichStraps.ichStrap1.reserved2 = 0x00;
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descriptorStruct.ichStraps.ichStrap1.reserved3 = 0x0000;
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/* Padding */
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for (i = 0; i < 248; i++) {
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descriptorStruct.ichStraps.padding[i] = 0xFF;
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}
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/* MCH straps */
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/* MCHSTRAP0 */
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descriptorStruct.mchStraps.mchStrap0.meDisable = 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.mchStraps.mchStrap0.meBootFromFlash = 0x0;
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descriptorStruct.mchStraps.mchStrap0.tpmDisable = 0x1; /* see ../descriptor/descriptor.c */
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descriptorStruct.mchStraps.mchStrap0.reserved1 = 0x7;
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descriptorStruct.mchStraps.mchStrap0.spiFingerprint = 0x1;
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descriptorStruct.mchStraps.mchStrap0.meAlternateDisable = 0x0;
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descriptorStruct.mchStraps.mchStrap0.reserved2 = 0xff;
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descriptorStruct.mchStraps.mchStrap0.reserved3 = 0xffff;
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/* Padding */
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for (i = 0; i < 3292; i++) {
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descriptorStruct.mchStraps.padding[i] = 0xFF;
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}
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/* ME VSCC Table */
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descriptorStruct.meVsccTable.jid0 = 0x001720c2;
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descriptorStruct.meVsccTable.vscc0 = 0x20052005;
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descriptorStruct.meVsccTable.jid1 = 0x001730ef;
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descriptorStruct.meVsccTable.vscc1 = 0x20052005;
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descriptorStruct.meVsccTable.jid2 = 0x0000481f;
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descriptorStruct.meVsccTable.vscc2 = 0x20152015;
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/* Padding */
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for (i = 0; i < 4; i++) {
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descriptorStruct.meVsccTable.padding[i] = 0xFF;
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}
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/* Descriptor Map 2 Record */
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descriptorStruct.descriptor2Map.meVsccTableBaseAddress = 0xee;
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descriptorStruct.descriptor2Map.meVsccTableLength = 0x06;
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descriptorStruct.descriptor2Map.reserved = 0x0000;
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/* OEM section */
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/* see ../descriptor/descriptor.c */
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/* Magic String (ascii characters) */
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descriptorStruct.oemSection.magicString[0] = 0x4c;
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descriptorStruct.oemSection.magicString[1] = 0x49;
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descriptorStruct.oemSection.magicString[2] = 0x42;
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descriptorStruct.oemSection.magicString[3] = 0x45;
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descriptorStruct.oemSection.magicString[4] = 0x52;
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descriptorStruct.oemSection.magicString[5] = 0x41;
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descriptorStruct.oemSection.magicString[6] = 0x54;
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descriptorStruct.oemSection.magicString[7] = 0x45;
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/* Padding */
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for (i = 0; i < 248; i++) {
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descriptorStruct.oemSection.padding[i] = 0xFF;
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}
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return descriptorStruct;
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}
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