xref: /openbmc/u-boot/include/post.h (revision e8f80a5a)
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 <common.h>
15 #include <asm/io.h>
16 
17 #if defined(CONFIG_POST)
18 
19 #ifndef CONFIG_POST_EXTERNAL_WORD_FUNCS
20 #ifdef CONFIG_SYS_POST_WORD_ADDR
21 #define _POST_WORD_ADDR	CONFIG_SYS_POST_WORD_ADDR
22 #else
23 
24 #if defined(CONFIG_MPC8360)
25 #include <linux/immap_qe.h>
26 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
27 
28 #elif defined (CONFIG_MPC85xx)
29 #include <asm/immap_85xx.h>
30 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CONFIG_SYS_MPC85xx_PIC_OFFSET + \
31 				offsetof(ccsr_pic_t, tfrr))
32 
33 #elif defined (CONFIG_MPC86xx)
34 #include <asm/immap_86xx.h>
35 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CONFIG_SYS_MPC86xx_PIC_OFFSET + \
36 				offsetof(ccsr_pic_t, tfrr))
37 #endif
38 
39 #ifndef _POST_WORD_ADDR
40 #error "_POST_WORD_ADDR currently not implemented for this platform!"
41 #endif
42 #endif /* CONFIG_SYS_POST_WORD_ADDR */
43 
post_word_load(void)44 static inline ulong post_word_load (void)
45 {
46 	return in_le32((volatile void *)(_POST_WORD_ADDR));
47 }
48 
post_word_store(ulong value)49 static inline void post_word_store (ulong value)
50 {
51 	out_le32((volatile void *)(_POST_WORD_ADDR), value);
52 }
53 
54 #else
55 
56 extern ulong post_word_load(void);
57 extern void post_word_store(ulong value);
58 
59 #endif /* CONFIG_POST_EXTERNAL_WORD_FUNCS */
60 #endif /* defined (CONFIG_POST) */
61 #endif /* __ASSEMBLY__ */
62 
63 #ifdef CONFIG_POST
64 
65 #define POST_POWERON		0x01	/* test runs on power-on booting */
66 #define POST_NORMAL		0x02	/* test runs on normal booting */
67 #define POST_SLOWTEST		0x04	/* test is slow, enabled by key press */
68 #define POST_POWERTEST		0x08	/* test runs after watchdog reset */
69 
70 #define POST_COLDBOOT		0x80	/* first boot after power-on */
71 
72 #define POST_ROM		0x0100	/* test runs in ROM */
73 #define POST_RAM		0x0200	/* test runs in RAM */
74 #define POST_MANUAL		0x0400	/* test runs on diag command */
75 #define POST_REBOOT		0x0800	/* test may cause rebooting */
76 #define POST_PREREL		0x1000  /* test runs before relocation */
77 
78 #define POST_CRITICAL		0x2000	/* Use failbootcmd if test failed */
79 #define POST_STOP		0x4000	/* Interrupt POST sequence on fail */
80 
81 #define POST_MEM		(POST_RAM | POST_ROM)
82 #define POST_ALWAYS		(POST_NORMAL	| \
83 				 POST_SLOWTEST	| \
84 				 POST_MANUAL	| \
85 				 POST_POWERON	)
86 
87 #define POST_FAIL_SAVE		0x80
88 
89 #define POST_BEFORE		1
90 #define POST_AFTER		0
91 #define POST_PASSED		1
92 #define POST_FAILED		0
93 
94 #ifndef	__ASSEMBLY__
95 
96 struct post_test {
97 	char *name;
98 	char *cmd;
99 	char *desc;
100 	int flags;
101 	int (*test) (int flags);
102 	int (*init_f) (void);
103 	void (*reloc) (void);
104 	unsigned long testid;
105 };
106 int post_init_f (void);
107 void post_bootmode_init (void);
108 int post_bootmode_get (unsigned int * last_test);
109 void post_bootmode_clear (void);
110 void post_output_backlog ( void );
111 int post_run (char *name, int flags);
112 int post_info (char *name);
113 int post_log (char *format, ...);
114 #ifdef CONFIG_NEEDS_MANUAL_RELOC
115 void post_reloc (void);
116 #endif
117 unsigned long post_time_ms (unsigned long base);
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 CONFIG_SYS_POST_RTC		0x00000001
140 #define CONFIG_SYS_POST_WATCHDOG	0x00000002
141 #define CONFIG_SYS_POST_MEMORY		0x00000004
142 #define CONFIG_SYS_POST_CPU		0x00000008
143 #define CONFIG_SYS_POST_I2C		0x00000010
144 #define CONFIG_SYS_POST_CACHE		0x00000020
145 #define CONFIG_SYS_POST_UART		0x00000040
146 #define CONFIG_SYS_POST_ETHER		0x00000080
147 #define CONFIG_SYS_POST_USB		0x00000200
148 #define CONFIG_SYS_POST_SPR		0x00000400
149 #define CONFIG_SYS_POST_SYSMON		0x00000800
150 #define CONFIG_SYS_POST_DSP		0x00001000
151 #define CONFIG_SYS_POST_OCM		0x00002000
152 #define CONFIG_SYS_POST_FPU		0x00004000
153 #define CONFIG_SYS_POST_ECC		0x00008000
154 #define CONFIG_SYS_POST_BSPEC1		0x00010000
155 #define CONFIG_SYS_POST_BSPEC2		0x00020000
156 #define CONFIG_SYS_POST_BSPEC3		0x00040000
157 #define CONFIG_SYS_POST_BSPEC4		0x00080000
158 #define CONFIG_SYS_POST_BSPEC5		0x00100000
159 #define CONFIG_SYS_POST_CODEC		0x00200000
160 #define CONFIG_SYS_POST_COPROC		0x00400000
161 #define CONFIG_SYS_POST_FLASH		0x00800000
162 #define CONFIG_SYS_POST_MEM_REGIONS	0x01000000
163 
164 #endif /* CONFIG_POST */
165 
166 #endif /* _POST_H */
167