18d152e7aSLuis R. Rodriguez #include <linux/kernel.h> 28d152e7aSLuis R. Rodriguez #include <linux/init.h> 38d152e7aSLuis R. Rodriguez 48d152e7aSLuis R. Rodriguez #include <asm/setup.h> 58d152e7aSLuis R. Rodriguez #include <asm/bios_ebda.h> 68d152e7aSLuis R. Rodriguez 78d152e7aSLuis R. Rodriguez void __init x86_early_init_platform_quirks(void) 88d152e7aSLuis R. Rodriguez { 98d152e7aSLuis R. Rodriguez x86_platform.legacy.rtc = 1; 10edce2121SIngo Molnar x86_platform.legacy.reserve_bios_regions = 0; 1180dfd83dSLuis R. Rodriguez x86_platform.legacy.devices.pnpbios = 1; 128d152e7aSLuis R. Rodriguez 138d152e7aSLuis R. Rodriguez switch (boot_params.hdr.hardware_subarch) { 141330e3bcSLuis R. Rodriguez case X86_SUBARCH_PC: 15edce2121SIngo Molnar x86_platform.legacy.reserve_bios_regions = 1; 161330e3bcSLuis R. Rodriguez break; 178d152e7aSLuis R. Rodriguez case X86_SUBARCH_XEN: 188d152e7aSLuis R. Rodriguez case X86_SUBARCH_LGUEST: 198d152e7aSLuis R. Rodriguez case X86_SUBARCH_INTEL_MID: 20a50b22a7SLuis R. Rodriguez case X86_SUBARCH_CE4100: 21f6935b7bSLuis R. Rodriguez x86_platform.legacy.devices.pnpbios = 0; 228d152e7aSLuis R. Rodriguez x86_platform.legacy.rtc = 0; 238d152e7aSLuis R. Rodriguez break; 248d152e7aSLuis R. Rodriguez } 258d152e7aSLuis R. Rodriguez 268d152e7aSLuis R. Rodriguez if (x86_platform.set_legacy_features) 278d152e7aSLuis R. Rodriguez x86_platform.set_legacy_features(); 288d152e7aSLuis R. Rodriguez } 2980dfd83dSLuis R. Rodriguez 3080dfd83dSLuis R. Rodriguez #if defined(CONFIG_PNPBIOS) 3180dfd83dSLuis R. Rodriguez bool __init arch_pnpbios_disabled(void) 3280dfd83dSLuis R. Rodriguez { 3380dfd83dSLuis R. Rodriguez return x86_platform.legacy.devices.pnpbios == 0; 3480dfd83dSLuis R. Rodriguez } 3580dfd83dSLuis R. Rodriguez #endif 36