coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
p2sb.h
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <
commonlib/helpers.h
>
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/*
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* Currently all known xeon-sp CPUs use C620 PCH. These definitions
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* come from C620 datasheet (Intel Doc #336067-007US)
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*/
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#define HPTC_OFFSET 0x60
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#define HPTC_ADDR_ENABLE_BIT (1 << 7)
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#define PCH_P2SB_EPMASK0 0xb0
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#define P2SB_SIZE (16 * MiB)
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#define P2SBC 0xe0
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#define SBILOCK (1 << 31)
helpers.h
src
soc
intel
xeon_sp
include
soc
p2sb.h
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