diff options
Diffstat (limited to 'arch/x86/include/asm/processor.h')
| -rw-r--r-- | arch/x86/include/asm/processor.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 3e26202aa5..7c77b90485 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -23,10 +23,32 @@ #define X86_GDT_SIZE (X86_GDT_NUM_ENTRIES * X86_GDT_ENTRY_SIZE) +/* Length of the public header on Intel microcode blobs */ +#define UCODE_HEADER_LEN 0x30 + #ifndef __ASSEMBLY__ +/* + * This register is documented in (for example) the Intel Atom Processor E3800 + * Product Family Datasheet in "PCU - Power Management Controller (PMC)". + * + * RST_CNT: Reset Control Register (RST_CNT) Offset cf9. + * + * The naming follows Intel's naming. + */ #define PORT_RESET 0xcf9 +enum { + SYS_RST = 1 << 1, /* 0 for soft reset, 1 for hard reset */ + RST_CPU = 1 << 2, /* initiate reset */ + FULL_RST = 1 << 3, /* full power cycle */ +}; + +/** + * x86_full_reset() - reset everything: perform a full power cycle + */ +void x86_full_reset(void); + static inline __attribute__((always_inline)) void cpu_hlt(void) { asm("hlt"); |