include/post.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2002
   4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   5  *
   6  * (C) Copyright 2010
   7  * Michael Zaidman, Kodak, michael.zaidman@kodak.com
   8  * post_word_{load|store} cleanup.
   9  */
  10 #ifndef _POST_H
  11 #define _POST_H
  12
  13 #ifndef __ASSEMBLY__
  14 #include <asm/io.h>
  15
  16 #if defined(CONFIG_POST)
  17
  18 #ifndef CFG_POST_EXTERNAL_WORD_FUNCS
  19 #ifdef CFG_SYS_POST_WORD_ADDR
  20 #define _POST_WORD_ADDR CFG_SYS_POST_WORD_ADDR
  21 #else
  22
  23 #if defined(CONFIG_ARCH_MPC8360)
  24 #include <linux/immap_qe.h>
  25 #define _POST_WORD_ADDR (CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
  26
  27 #elif defined (CONFIG_MPC85xx)
  28 #include <asm/immap_85xx.h>
  29 #define _POST_WORD_ADDR (CONFIG_SYS_IMMR + CFG_SYS_MPC85xx_PIC_OFFSET + \
  30                                 offsetof(ccsr_pic_t, tfrr))
  31 #endif
  32
  33 #ifndef _POST_WORD_ADDR
  34 #error "_POST_WORD_ADDR currently not implemented for this platform!"
  35 #endif
  36 #endif /* CFG_SYS_POST_WORD_ADDR */
  37
  38 static inline ulong post_word_load (void)
  39 {
  40         return in_le32((volatile void *)(_POST_WORD_ADDR));
  41 }
  42
  43 static inline void post_word_store (ulong value)
  44 {
  45         out_le32((volatile void *)(_POST_WORD_ADDR), value);
  46 }
  47
  48 #else
  49
  50 extern ulong post_word_load(void);
  51 extern void post_word_store(ulong value);
  52
  53 #endif /* CFG_POST_EXTERNAL_WORD_FUNCS */
  54 #endif /* defined (CONFIG_POST) */
  55 #endif /* __ASSEMBLY__ */
  56
  57 #ifdef CONFIG_POST
  58
  59 #define POST_POWERON            0x01    /* test runs on power-on booting */
  60 #define POST_NORMAL             0x02    /* test runs on normal booting */
  61 #define POST_SLOWTEST           0x04    /* test is slow, enabled by key press */
  62 #define POST_POWERTEST          0x08    /* test runs after watchdog reset */
  63
  64 #define POST_COLDBOOT           0x80    /* first boot after power-on */
  65
  66 #define POST_ROM                0x0100  /* test runs in ROM */
  67 #define POST_RAM                0x0200  /* test runs in RAM */
  68 #define POST_MANUAL             0x0400  /* test runs on diag command */
  69 #define POST_REBOOT             0x0800  /* test may cause rebooting */
  70 #define POST_PREREL             0x1000  /* test runs before relocation */
  71
  72 #define POST_CRITICAL           0x2000  /* Use failbootcmd if test failed */
  73 #define POST_STOP               0x4000  /* Interrupt POST sequence on fail */
  74
  75 #define POST_MEM                (POST_RAM | POST_ROM)
  76 #define POST_ALWAYS             (POST_NORMAL    | \
  77                                  POST_SLOWTEST  | \
  78                                  POST_MANUAL    | \
  79                                  POST_POWERON   )
  80
  81 #define POST_FAIL_SAVE          0x80
  82
  83 #define POST_BEFORE             1
  84 #define POST_AFTER              0
  85 #define POST_PASSED             1
  86 #define POST_FAILED             0
  87
  88 #ifndef __ASSEMBLY__
  89
  90 struct post_test {
  91         char *name;
  92         char *cmd;
  93         char *desc;
  94         int flags;
  95         int (*test) (int flags);
  96         int (*init_f) (void);
  97         void (*reloc) (void);
  98         unsigned long testid;
  99 };
 100 int post_init_f (void);
 101 void post_bootmode_init (void);
 102 int post_bootmode_get (unsigned int * last_test);
 103 void post_bootmode_clear (void);
 104 int post_run (char *name, int flags);
 105 int post_info (char *name);
 106 int post_log (char *format, ...);
 107 unsigned long post_time_ms (unsigned long base);
 108
 109 /**
 110  * post_output_backlog() - Print POST results
 111  *
 112  * Print POST results during the generic board init sequence, after
 113  * relocation.
 114  *
 115  * Return: 0 if OK
 116  */
 117 int post_output_backlog(void);
 118
 119 extern struct post_test post_list[];
 120 extern unsigned int post_list_size;
 121 extern int post_hotkeys_pressed(void);
 122 extern int memory_post_test(int flags);
 123
 124 /*
 125  *  If GCC is configured to use a version of GAS that supports
 126  * the .gnu_attribute directive, it will use that directive to
 127  * record certain properties of the output code.
 128  *  This feature is new to GCC 4.3.0.
 129  *  .gnu_attribute is new to GAS 2.18.
 130  */
 131 #if (__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
 132 /* Tag_GNU_Power_ABI_FP/soft-float */
 133 #define GNU_FPOST_ATTR  asm(".gnu_attribute     4, 2");
 134 #else
 135 #define GNU_FPOST_ATTR
 136 #endif /* __GNUC__ */
 137 #endif /* __ASSEMBLY__ */
 138
 139 #define CFG_SYS_POST_RTC                0x00000001
 140 #define CFG_SYS_POST_WATCHDOG   0x00000002
 141 #define CFG_SYS_POST_MEMORY             0x00000004
 142 #define CFG_SYS_POST_CPU                0x00000008
 143 #define CFG_SYS_POST_I2C                0x00000010
 144 #define CFG_SYS_POST_CACHE              0x00000020
 145 #define CFG_SYS_POST_UART               0x00000040
 146 #define CFG_SYS_POST_ETHER              0x00000080
 147 #define CFG_SYS_POST_USB                0x00000200
 148 #define CFG_SYS_POST_SPR                0x00000400
 149 #define CFG_SYS_POST_SYSMON             0x00000800
 150 #define CFG_SYS_POST_DSP                0x00001000
 151 #define CFG_SYS_POST_OCM                0x00002000
 152 #define CFG_SYS_POST_FPU                0x00004000
 153 #define CFG_SYS_POST_ECC                0x00008000
 154 #define CFG_SYS_POST_BSPEC1             0x00010000
 155 #define CFG_SYS_POST_BSPEC2             0x00020000
 156 #define CFG_SYS_POST_BSPEC3             0x00040000
 157 #define CFG_SYS_POST_BSPEC4             0x00080000
 158 #define CFG_SYS_POST_BSPEC5             0x00100000
 159 #define CFG_SYS_POST_CODEC              0x00200000
 160 #define CFG_SYS_POST_COPROC             0x00400000
 161 #define CFG_SYS_POST_FLASH              0x00800000
 162 #define CFG_SYS_POST_MEM_REGIONS        0x01000000
 163
 164 #endif /* CONFIG_POST */
 165
 166 #endif /* _POST_H */