X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Fx86%2Finclude%2Fasm%2Fprocessor.h;h=cefc6339102e64ead58196812c85e161b0facc71;hb=7e4a6ae62c7ee567ae43e94445e561b3ec8343b9;hp=b2854a978ab1903a38caa313e9ffeb61292530ee;hpb=21b9b14b49b742c3ee70f819aab3918f517bf0b8;p=u-boot diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index b2854a978a..cefc633910 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -8,29 +8,46 @@ #ifndef __ASM_PROCESSOR_H_ #define __ASM_PROCESSOR_H_ 1 -#define X86_GDT_ENTRY_SIZE 8 +#define X86_GDT_ENTRY_SIZE 8 + +#define X86_GDT_ENTRY_NULL 0 +#define X86_GDT_ENTRY_UNUSED 1 +#define X86_GDT_ENTRY_32BIT_CS 2 +#define X86_GDT_ENTRY_32BIT_DS 3 +#define X86_GDT_ENTRY_32BIT_FS 4 +#define X86_GDT_ENTRY_16BIT_CS 5 +#define X86_GDT_ENTRY_16BIT_DS 6 +#define X86_GDT_ENTRY_16BIT_FLAT_CS 7 +#define X86_GDT_ENTRY_16BIT_FLAT_DS 8 +#define X86_GDT_NUM_ENTRIES 9 + +#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 IO_PORT_RESET 0xcf9 + enum { - X86_GDT_ENTRY_NULL = 0, - X86_GDT_ENTRY_UNUSED, - X86_GDT_ENTRY_32BIT_CS, - X86_GDT_ENTRY_32BIT_DS, - X86_GDT_ENTRY_32BIT_FS, - X86_GDT_ENTRY_16BIT_CS, - X86_GDT_ENTRY_16BIT_DS, - X86_GDT_NUM_ENTRIES + 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 */ }; -#else -/* NOTE: If the above enum is modified, this define must be checked */ -#define X86_GDT_ENTRY_32BIT_DS 3 -#define X86_GDT_NUM_ENTRIES 7 -#endif -#define X86_GDT_SIZE (X86_GDT_NUM_ENTRIES * X86_GDT_ENTRY_SIZE) - -#ifndef __ASSEMBLY__ +/** + * x86_full_reset() - reset everything: perform a full power cycle + */ +void x86_full_reset(void); static inline __attribute__((always_inline)) void cpu_hlt(void) {