xref: /openbmc/u-boot/include/post.h (revision 555a6529)
1 /*
2  * (C) Copyright 2002
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * (C) Copyright 2010
6  * Michael Zaidman, Kodak, michael.zaidman@kodak.com
7  * post_word_{load|store} cleanup.
8  *
9  * SPDX-License-Identifier:	GPL-2.0+
10  */
11 #ifndef _POST_H
12 #define _POST_H
13 
14 #ifndef	__ASSEMBLY__
15 #include <common.h>
16 #include <asm/io.h>
17 
18 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
19 
20 #ifndef CONFIG_POST_EXTERNAL_WORD_FUNCS
21 #ifdef CONFIG_SYS_POST_WORD_ADDR
22 #define _POST_WORD_ADDR	CONFIG_SYS_POST_WORD_ADDR
23 #else
24 
25 #if defined(CONFIG_MPC8360)
26 #include <linux/immap_qe.h>
27 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
28 
29 #elif defined (CONFIG_MPC85xx)
30 #include <asm/immap_85xx.h>
31 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CONFIG_SYS_MPC85xx_PIC_OFFSET + \
32 				offsetof(ccsr_pic_t, tfrr))
33 
34 #elif defined (CONFIG_MPC86xx)
35 #include <asm/immap_86xx.h>
36 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CONFIG_SYS_MPC86xx_PIC_OFFSET + \
37 				offsetof(ccsr_pic_t, tfrr))
38 #endif
39 
40 #ifndef _POST_WORD_ADDR
41 #error "_POST_WORD_ADDR currently not implemented for this platform!"
42 #endif
43 #endif /* CONFIG_SYS_POST_WORD_ADDR */
44 
45 static inline ulong post_word_load (void)
46 {
47 	return in_le32((volatile void *)(_POST_WORD_ADDR));
48 }
49 
50 static inline void post_word_store (ulong value)
51 {
52 	out_le32((volatile void *)(_POST_WORD_ADDR), value);
53 }
54 
55 #else
56 
57 extern ulong post_word_load(void);
58 extern void post_word_store(ulong value);
59 
60 #endif /* CONFIG_POST_EXTERNAL_WORD_FUNCS */
61 #endif /* defined (CONFIG_POST) || defined(CONFIG_LOGBUFFER) */
62 #endif /* __ASSEMBLY__ */
63 
64 #ifdef CONFIG_POST
65 
66 #define POST_POWERON		0x01	/* test runs on power-on booting */
67 #define POST_NORMAL		0x02	/* test runs on normal booting */
68 #define POST_SLOWTEST		0x04	/* test is slow, enabled by key press */
69 #define POST_POWERTEST		0x08	/* test runs after watchdog reset */
70 
71 #define POST_COLDBOOT		0x80	/* first boot after power-on */
72 
73 #define POST_ROM		0x0100	/* test runs in ROM */
74 #define POST_RAM		0x0200	/* test runs in RAM */
75 #define POST_MANUAL		0x0400	/* test runs on diag command */
76 #define POST_REBOOT		0x0800	/* test may cause rebooting */
77 #define POST_PREREL		0x1000  /* test runs before relocation */
78 
79 #define POST_CRITICAL		0x2000	/* Use failbootcmd if test failed */
80 #define POST_STOP		0x4000	/* Interrupt POST sequence on fail */
81 
82 #define POST_MEM		(POST_RAM | POST_ROM)
83 #define POST_ALWAYS		(POST_NORMAL	| \
84 				 POST_SLOWTEST	| \
85 				 POST_MANUAL	| \
86 				 POST_POWERON	)
87 
88 #define POST_FAIL_SAVE		0x80
89 
90 #define POST_BEFORE		1
91 #define POST_AFTER		0
92 #define POST_PASSED		1
93 #define POST_FAILED		0
94 
95 #ifndef	__ASSEMBLY__
96 
97 struct post_test {
98 	char *name;
99 	char *cmd;
100 	char *desc;
101 	int flags;
102 	int (*test) (int flags);
103 	int (*init_f) (void);
104 	void (*reloc) (void);
105 	unsigned long testid;
106 };
107 int post_init_f (void);
108 void post_bootmode_init (void);
109 int post_bootmode_get (unsigned int * last_test);
110 void post_bootmode_clear (void);
111 void post_output_backlog ( void );
112 int post_run (char *name, int flags);
113 int post_info (char *name);
114 int post_log (char *format, ...);
115 #ifdef CONFIG_NEEDS_MANUAL_RELOC
116 void post_reloc (void);
117 #endif
118 unsigned long post_time_ms (unsigned long base);
119 
120 extern struct post_test post_list[];
121 extern unsigned int post_list_size;
122 extern int post_hotkeys_pressed(void);
123 extern int memory_post_test(int flags);
124 
125 /*
126  *  If GCC is configured to use a version of GAS that supports
127  * the .gnu_attribute directive, it will use that directive to
128  * record certain properties of the output code.
129  *  This feature is new to GCC 4.3.0.
130  *  .gnu_attribute is new to GAS 2.18.
131  */
132 #if (__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
133 /* Tag_GNU_Power_ABI_FP/soft-float */
134 #define GNU_FPOST_ATTR	asm(".gnu_attribute	4, 2");
135 #else
136 #define GNU_FPOST_ATTR
137 #endif /* __GNUC__ */
138 #endif /* __ASSEMBLY__ */
139 
140 #define CONFIG_SYS_POST_RTC		0x00000001
141 #define CONFIG_SYS_POST_WATCHDOG	0x00000002
142 #define CONFIG_SYS_POST_MEMORY		0x00000004
143 #define CONFIG_SYS_POST_CPU		0x00000008
144 #define CONFIG_SYS_POST_I2C		0x00000010
145 #define CONFIG_SYS_POST_CACHE		0x00000020
146 #define CONFIG_SYS_POST_UART		0x00000040
147 #define CONFIG_SYS_POST_ETHER		0x00000080
148 #define CONFIG_SYS_POST_USB		0x00000200
149 #define CONFIG_SYS_POST_SPR		0x00000400
150 #define CONFIG_SYS_POST_SYSMON		0x00000800
151 #define CONFIG_SYS_POST_DSP		0x00001000
152 #define CONFIG_SYS_POST_OCM		0x00002000
153 #define CONFIG_SYS_POST_FPU		0x00004000
154 #define CONFIG_SYS_POST_ECC		0x00008000
155 #define CONFIG_SYS_POST_BSPEC1		0x00010000
156 #define CONFIG_SYS_POST_BSPEC2		0x00020000
157 #define CONFIG_SYS_POST_BSPEC3		0x00040000
158 #define CONFIG_SYS_POST_BSPEC4		0x00080000
159 #define CONFIG_SYS_POST_BSPEC5		0x00100000
160 #define CONFIG_SYS_POST_CODEC		0x00200000
161 #define CONFIG_SYS_POST_COPROC		0x00400000
162 #define CONFIG_SYS_POST_FLASH		0x00800000
163 #define CONFIG_SYS_POST_MEM_REGIONS	0x01000000
164 
165 #endif /* CONFIG_POST */
166 
167 #endif /* _POST_H */
168