projects / linux-2.6-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; |
| e348caef | 12 | x86_platform.legacy.warm_reset = 1; |
| edce2121 | 13 | x86_platform.legacy.reserve_bios_regions = 0; |
| 80dfd83d | 14 | x86_platform.legacy.devices.pnpbios = 1; |
| 8d152e7a LR |
15 | |
| 16 | switch (boot_params.hdr.hardware_subarch) { | |
| 1330e3bc | 17 | case X86_SUBARCH_PC: |
| edce2121 | 18 | x86_platform.legacy.reserve_bios_regions = 1; |
| 1330e3bc | 19 | break; |
| 8d152e7a | 20 | case X86_SUBARCH_XEN: |
| 93ffa9a4 DT |
21 | x86_platform.legacy.devices.pnpbios = 0; |
| 22 | x86_platform.legacy.rtc = 0; | |
| 23 | break; | |
| 8d152e7a | 24 | case X86_SUBARCH_INTEL_MID: |
| a50b22a7 | 25 | case X86_SUBARCH_CE4100: |
| f6935b7b | 26 | x86_platform.legacy.devices.pnpbios = 0; |
| 8d152e7a | 27 | x86_platform.legacy.rtc = 0; |
| 93ffa9a4 | 28 | x86_platform.legacy.i8042 = X86_LEGACY_I8042_PLATFORM_ABSENT; |
| 8d152e7a LR |
29 | break; |
| 30 | } | |
| 31 | ||
| 32 | if (x86_platform.set_legacy_features) | |
| 33 | x86_platform.set_legacy_features(); | |
| 34 | } | |
| 80dfd83d | 35 | |
| f79b1c57 RB |
36 | bool __init x86_pnpbios_disabled(void) |
| 37 | { | |
| 38 | return x86_platform.legacy.devices.pnpbios == 0; | |
| 39 | } | |
| 40 | ||
| 80dfd83d LR |
41 | #if defined(CONFIG_PNPBIOS) |
| 42 | bool __init arch_pnpbios_disabled(void) | |
| 43 | { | |
| f79b1c57 | 44 | return x86_pnpbios_disabled(); |
| 80dfd83d LR |
45 | } |
| 46 | #endif |