blob: b525fe6d66571232d8029493348de8dbfb320dbe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
// SPDX-License-Identifier: GPL-2.0
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/pnp.h>
#include <asm/setup.h>
#include <asm/bios_ebda.h>
void __init x86_early_init_platform_quirks(void)
{
x86_platform.legacy.i8042 = X86_LEGACY_I8042_EXPECTED_PRESENT;
x86_platform.legacy.rtc = 1;
x86_platform.legacy.warm_reset = 1;
x86_platform.legacy.reserve_bios_regions = 0;
x86_platform.legacy.devices.pnpbios = 1;
switch (boot_params.hdr.hardware_subarch) {
case X86_SUBARCH_PC:
x86_platform.legacy.reserve_bios_regions = 1;
break;
case X86_SUBARCH_XEN:
x86_platform.legacy.devices.pnpbios = 0;
x86_platform.legacy.rtc = 0;
break;
case X86_SUBARCH_INTEL_MID:
case X86_SUBARCH_CE4100:
x86_platform.legacy.devices.pnpbios = 0;
x86_platform.legacy.rtc = 0;
x86_platform.legacy.i8042 = X86_LEGACY_I8042_PLATFORM_ABSENT;
break;
}
if (x86_platform.set_legacy_features)
x86_platform.set_legacy_features();
}
bool __init x86_pnpbios_disabled(void)
{
return x86_platform.legacy.devices.pnpbios == 0;
}
#if defined(CONFIG_PNPBIOS)
bool __init arch_pnpbios_disabled(void)
{
return x86_pnpbios_disabled();
}
#endif
|
