1d1cd0459SSimon Glass /* 2d1cd0459SSimon Glass * Copyright (c) 2014 Google, Inc 3d1cd0459SSimon Glass * 4d1cd0459SSimon Glass * SPDX-License-Identifier: GPL-2.0+ 5d1cd0459SSimon Glass */ 6d1cd0459SSimon Glass 7d1cd0459SSimon Glass #ifndef _post_h 8d1cd0459SSimon Glass #define _post_h 9d1cd0459SSimon Glass 10d1cd0459SSimon Glass /* port to use for post codes */ 11d1cd0459SSimon Glass #define POST_PORT 0x80 12d1cd0459SSimon Glass 13d1cd0459SSimon Glass /* post codes which represent various stages of init */ 14d1cd0459SSimon Glass #define POST_START 0x1e 15d1cd0459SSimon Glass #define POST_CAR_START 0x1f 1670a09c6cSSimon Glass #define POST_CAR_SIPI 0x20 1770a09c6cSSimon Glass #define POST_CAR_MTRR 0x21 1870a09c6cSSimon Glass #define POST_CAR_UNCACHEABLE 0x22 1970a09c6cSSimon Glass #define POST_CAR_BASE_ADDRESS 0x23 2070a09c6cSSimon Glass #define POST_CAR_MASK 0x24 2170a09c6cSSimon Glass #define POST_CAR_FILL 0x25 2270a09c6cSSimon Glass #define POST_CAR_ROM_CACHE 0x26 2370a09c6cSSimon Glass #define POST_CAR_MRC_CACHE 0x27 2470a09c6cSSimon Glass #define POST_CAR_CPU_CACHE 0x28 25d1cd0459SSimon Glass #define POST_START_STACK 0x29 26d1cd0459SSimon Glass #define POST_START_DONE 0x2a 2770a09c6cSSimon Glass #define POST_CPU_INIT 0x2b 28*8e0df066SSimon Glass #define POST_EARLY_INIT 0x2c 29*8e0df066SSimon Glass #define POST_CPU_INFO 0x2d 30d1cd0459SSimon Glass 31d1cd0459SSimon Glass /* Output a post code using al - value must be 0 to 0xff */ 32d1cd0459SSimon Glass #ifdef __ASSEMBLY__ 33d1cd0459SSimon Glass #define post_code(value) \ 34d1cd0459SSimon Glass movb $value, %al; \ 35d1cd0459SSimon Glass outb %al, $POST_PORT 36d1cd0459SSimon Glass #else 3770a09c6cSSimon Glass #include <asm/io.h> 3870a09c6cSSimon Glass 39d1cd0459SSimon Glass static inline void post_code(int code) 40d1cd0459SSimon Glass { 41d1cd0459SSimon Glass outb(code, POST_PORT); 42d1cd0459SSimon Glass } 43d1cd0459SSimon Glass #endif 44d1cd0459SSimon Glass 45d1cd0459SSimon Glass #endif 46