coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
early_smbus.h
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/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef SOUTHBRIDGE_INTEL_COMMON_EARLY_SMBUS_H
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#define SOUTHBRIDGE_INTEL_COMMON_EARLY_SMBUS_H
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#include <
device/pci_def.h
>
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#define PCI_DEV_SMBUS PCI_DEV(0, 0x1f, 3)
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#define SMB_BASE PCI_BASE_ADDRESS_4
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#define HOSTC 0x40
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/* HOSTC bits */
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#define I2C_EN (1 << 2)
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#define SMB_SMI_EN (1 << 1)
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#define HST_EN (1 << 0)
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#endif
/* SOUTHBRIDGE_INTEL_COMMON_EARLY_SMBUS_H */
pci_def.h
src
southbridge
intel
common
early_smbus.h
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