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
post_word_load(void)38 static inline ulong post_word_load (void)
39 {
40 return in_le32((volatile void *)(_POST_WORD_ADDR));
41 }
42
post_word_store(ulong value)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 */
167