projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 8d152e7a LR |
2 | #include <linux/kernel.h> |
| 3 | #include <linux/init.h> | |
| 4 | ||
| 5 | #include <asm/setup.h> | |
| 6 | #include <asm/bios_ebda.h> | |
| 7 | ||
| 8 | void __init x86_early_init_platform_quirks(void) | |
| 9 | { | |
| 93ffa9a4 | 10 | x86_platform.legacy.i8042 = X86_LEGACY_I8042_EXPECTED_PRESENT; |
| 8d152e7a | 11 | x86_platform.legacy.rtc = 1; |
| edce2121 | 12 | x86_platform.legacy.reserve_bios_regions = 0; |
| 80dfd83d | 13 | x86_platform.legacy.devices.pnpbios = 1; |
| 8d152e7a LR |
14 | |
| 15 | switch (boot_params.hdr.hardware_subarch) { | |
| 1330e3bc | 16 | case X86_SUBARCH_PC: |
| edce2121 | 17 | x86_platform.legacy.reserve_bios_regions = 1; |
| 1330e3bc | 18 | break; |
| 8d152e7a | 19 | case X86_SUBARCH_XEN: |
| 93ffa9a4 DT |
20 | x86_platform.legacy.devices.pnpbios = 0; |
| 21 | x86_platform.legacy.rtc = 0; | |
| 22 | break; | |
| 8d152e7a | 23 | case X86_SUBARCH_INTEL_MID: |
| a50b22a7 | 24 | case X86_SUBARCH_CE4100: |
| f6935b7b | 25 | x86_platform.legacy.devices.pnpbios = 0; |
| 8d152e7a | 26 | x86_platform.legacy.rtc = 0; |
| 93ffa9a4 | 27 | x86_platform.legacy.i8042 = X86_LEGACY_I8042_PLATFORM_ABSENT; |
| 8d152e7a LR |
28 | break; |
| 29 | } | |
| 30 | ||
| 31 | if (x86_platform.set_legacy_features) | |
| 32 | x86_platform.set_legacy_features(); | |
| 33 | } | |
| 80dfd83d LR |
34 | |
| 35 | #if defined(CONFIG_PNPBIOS) | |
| 36 | bool __init arch_pnpbios_disabled(void) | |
| 37 | { | |
| 38 | return x86_platform.legacy.devices.pnpbios == 0; | |
| 39 | } | |
| 40 | #endif |