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46 lines
1.1 KiB
46 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0 |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <asm/setup.h> |
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#include <asm/bios_ebda.h> |
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void __init x86_early_init_platform_quirks(void) |
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{ |
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x86_platform.legacy.i8042 = X86_LEGACY_I8042_EXPECTED_PRESENT; |
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x86_platform.legacy.rtc = 1; |
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x86_platform.legacy.warm_reset = 1; |
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x86_platform.legacy.reserve_bios_regions = 0; |
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x86_platform.legacy.devices.pnpbios = 1; |
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switch (boot_params.hdr.hardware_subarch) { |
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case X86_SUBARCH_PC: |
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x86_platform.legacy.reserve_bios_regions = 1; |
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break; |
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case X86_SUBARCH_XEN: |
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x86_platform.legacy.devices.pnpbios = 0; |
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x86_platform.legacy.rtc = 0; |
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break; |
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case X86_SUBARCH_INTEL_MID: |
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case X86_SUBARCH_CE4100: |
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x86_platform.legacy.devices.pnpbios = 0; |
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x86_platform.legacy.rtc = 0; |
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x86_platform.legacy.i8042 = X86_LEGACY_I8042_PLATFORM_ABSENT; |
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break; |
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} |
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if (x86_platform.set_legacy_features) |
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x86_platform.set_legacy_features(); |
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} |
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bool __init x86_pnpbios_disabled(void) |
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{ |
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return x86_platform.legacy.devices.pnpbios == 0; |
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} |
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#if defined(CONFIG_PNPBIOS) |
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bool __init arch_pnpbios_disabled(void) |
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{ |
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return x86_pnpbios_disabled(); |
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} |
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#endif
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