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; 101330e3bcSLuis R. Rodriguez x86_platform.legacy.ebda_search = 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: 151330e3bcSLuis R. Rodriguez x86_platform.legacy.ebda_search = 1; 161330e3bcSLuis R. Rodriguez break; 178d152e7aSLuis R. Rodriguez case X86_SUBARCH_XEN: 188d152e7aSLuis R. Rodriguez case X86_SUBARCH_LGUEST: 1980dfd83dSLuis R. Rodriguez x86_platform.legacy.devices.pnpbios = 0; 2080dfd83dSLuis R. Rodriguez x86_platform.legacy.rtc = 0; 2180dfd83dSLuis R. Rodriguez break; 228d152e7aSLuis R. Rodriguez case X86_SUBARCH_INTEL_MID: 238d152e7aSLuis R. Rodriguez x86_platform.legacy.rtc = 0; 248d152e7aSLuis R. Rodriguez break; 258d152e7aSLuis R. Rodriguez } 268d152e7aSLuis R. Rodriguez 278d152e7aSLuis R. Rodriguez if (x86_platform.set_legacy_features) 288d152e7aSLuis R. Rodriguez x86_platform.set_legacy_features(); 298d152e7aSLuis R. Rodriguez } 3080dfd83dSLuis R. Rodriguez 3180dfd83dSLuis R. Rodriguez #if defined(CONFIG_PNPBIOS) 3280dfd83dSLuis R. Rodriguez bool __init arch_pnpbios_disabled(void) 3380dfd83dSLuis R. Rodriguez { 3480dfd83dSLuis R. Rodriguez return x86_platform.legacy.devices.pnpbios == 0; 3580dfd83dSLuis R. Rodriguez } 3680dfd83dSLuis R. Rodriguez #endif 37