1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/kernel.h>
 3#include <linux/init.h>
 4
 5#include <asm/setup.h>
 6#include <asm/bios_ebda.h>
 7
 8void __init x86_early_init_platform_quirks(void)
 9{
10	x86_platform.legacy.i8042 = X86_LEGACY_I8042_EXPECTED_PRESENT;
11	x86_platform.legacy.rtc = 1;
12	x86_platform.legacy.warm_reset = 1;
13	x86_platform.legacy.reserve_bios_regions = 0;
14	x86_platform.legacy.devices.pnpbios = 1;
15
16	switch (boot_params.hdr.hardware_subarch) {
17	case X86_SUBARCH_PC:
18		x86_platform.legacy.reserve_bios_regions = 1;
19		break;
20	case X86_SUBARCH_XEN:
21		x86_platform.legacy.devices.pnpbios = 0;
22		x86_platform.legacy.rtc = 0;
23		break;
24	case X86_SUBARCH_INTEL_MID:
25	case X86_SUBARCH_CE4100:
26		x86_platform.legacy.devices.pnpbios = 0;
27		x86_platform.legacy.rtc = 0;
28		x86_platform.legacy.i8042 = X86_LEGACY_I8042_PLATFORM_ABSENT;
29		break;
30	}
31
32	if (x86_platform.set_legacy_features)
33		x86_platform.set_legacy_features();
34}
35
36bool __init x86_pnpbios_disabled(void)
37{
38	return x86_platform.legacy.devices.pnpbios == 0;
39}
40
41#if defined(CONFIG_PNPBIOS)
42bool __init arch_pnpbios_disabled(void)
43{
44	return x86_pnpbios_disabled();
45}
46#endif

 1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/kernel.h>
 3#include <linux/init.h>
 4
 5#include <asm/setup.h>
 6#include <asm/bios_ebda.h>
 7
 8void __init x86_early_init_platform_quirks(void)
 9{
10	x86_platform.legacy.i8042 = X86_LEGACY_I8042_EXPECTED_PRESENT;
11	x86_platform.legacy.rtc = 1;
12	x86_platform.legacy.warm_reset = 1;
13	x86_platform.legacy.reserve_bios_regions = 0;
14	x86_platform.legacy.devices.pnpbios = 1;
15
16	switch (boot_params.hdr.hardware_subarch) {
17	case X86_SUBARCH_PC:
18		x86_platform.legacy.reserve_bios_regions = 1;
19		break;
20	case X86_SUBARCH_XEN:
21		x86_platform.legacy.devices.pnpbios = 0;
22		x86_platform.legacy.rtc = 0;
23		break;
24	case X86_SUBARCH_INTEL_MID:
25	case X86_SUBARCH_CE4100:
26		x86_platform.legacy.devices.pnpbios = 0;
27		x86_platform.legacy.rtc = 0;
28		x86_platform.legacy.i8042 = X86_LEGACY_I8042_PLATFORM_ABSENT;
29		break;
30	}
31
32	if (x86_platform.set_legacy_features)
33		x86_platform.set_legacy_features();
34}
35
36bool __init x86_pnpbios_disabled(void)
37{
38	return x86_platform.legacy.devices.pnpbios == 0;
39}
40
41#if defined(CONFIG_PNPBIOS)
42bool __init arch_pnpbios_disabled(void)
43{
44	return x86_pnpbios_disabled();
45}
46#endif