| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * Copyright (c) 2014 Google, Inc |
| */ |
| |
| #ifndef _post_h |
| #define _post_h |
| |
| /* port to use for post codes */ |
| #define POST_PORT 0x80 |
| |
| /* post codes which represent various stages of init */ |
| #define POST_START 0x1e |
| #define POST_CAR_START 0x1f |
| #define POST_CAR_SIPI 0x20 |
| #define POST_CAR_MTRR 0x21 |
| #define POST_CAR_UNCACHEABLE 0x22 |
| #define POST_CAR_BASE_ADDRESS 0x23 |
| #define POST_CAR_MASK 0x24 |
| #define POST_CAR_FILL 0x25 |
| #define POST_CAR_ROM_CACHE 0x26 |
| #define POST_CAR_MRC_CACHE 0x27 |
| #define POST_CAR_CPU_CACHE 0x28 |
| #define POST_START_STACK 0x29 |
| #define POST_START_DONE 0x2a |
| #define POST_CPU_INIT 0x2b |
| #define POST_EARLY_INIT 0x2c |
| #define POST_CPU_INFO 0x2d |
| #define POST_PRE_MRC 0x2e |
| #define POST_MRC 0x2f |
| #define POST_DRAM 0x30 |
| #define POST_LAPIC 0x31 |
| #define POST_OS_RESUME 0x40 |
| |
| #define POST_RAM_FAILURE 0xea |
| #define POST_BIST_FAILURE 0xeb |
| #define POST_CAR_FAILURE 0xec |
| #define POST_RESUME_FAILURE 0xed |
| |
| /* Output a post code using al - value must be 0 to 0xff */ |
| #ifdef __ASSEMBLY__ |
| #define post_code(value) \ |
| movb $value, %al; \ |
| outb %al, $POST_PORT |
| #else |
| #include <asm/io.h> |
| |
| static inline void post_code(int code) |
| { |
| outb(code, POST_PORT); |
| } |
| #endif |
| |
| #endif |
