xref: /openbmc/u-boot/include/post.h (revision 51855e89)
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 #ifdef CONFIG_MPC5xxx
26 #define _POST_WORD_ADDR	(MPC5XXX_SRAM + MPC5XXX_SRAM_POST_SIZE)
27 
28 #elif defined(CONFIG_MPC512X)
29 #define _POST_WORD_ADDR \
30 	(CONFIG_SYS_SRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
31 
32 #elif defined(CONFIG_MPC8360)
33 #include <linux/immap_qe.h>
34 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
35 
36 #elif defined (CONFIG_MPC85xx)
37 #include <asm/immap_85xx.h>
38 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CONFIG_SYS_MPC85xx_PIC_OFFSET + \
39 				offsetof(ccsr_pic_t, tfrr))
40 
41 #elif defined (CONFIG_MPC86xx)
42 #include <asm/immap_86xx.h>
43 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CONFIG_SYS_MPC86xx_PIC_OFFSET + \
44 				offsetof(ccsr_pic_t, tfrr))
45 
46 #elif defined (CONFIG_4xx)
47 #define _POST_WORD_ADDR \
48 	(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
49 #endif
50 
51 #ifndef _POST_WORD_ADDR
52 #error "_POST_WORD_ADDR currently not implemented for this platform!"
53 #endif
54 #endif /* CONFIG_SYS_POST_WORD_ADDR */
55 
56 static inline ulong post_word_load (void)
57 {
58 	return in_le32((volatile void *)(_POST_WORD_ADDR));
59 }
60 
61 static inline void post_word_store (ulong value)
62 {
63 	out_le32((volatile void *)(_POST_WORD_ADDR), value);
64 }
65 
66 #else
67 
68 extern ulong post_word_load(void);
69 extern void post_word_store(ulong value);
70 
71 #endif /* CONFIG_POST_EXTERNAL_WORD_FUNCS */
72 #endif /* defined (CONFIG_POST) || defined(CONFIG_LOGBUFFER) */
73 #endif /* __ASSEMBLY__ */
74 
75 #ifdef CONFIG_POST
76 
77 #define POST_POWERON		0x01	/* test runs on power-on booting */
78 #define POST_NORMAL		0x02	/* test runs on normal booting */
79 #define POST_SLOWTEST		0x04	/* test is slow, enabled by key press */
80 #define POST_POWERTEST		0x08	/* test runs after watchdog reset */
81 
82 #define POST_COLDBOOT		0x80	/* first boot after power-on */
83 
84 #define POST_ROM		0x0100	/* test runs in ROM */
85 #define POST_RAM		0x0200	/* test runs in RAM */
86 #define POST_MANUAL		0x0400	/* test runs on diag command */
87 #define POST_REBOOT		0x0800	/* test may cause rebooting */
88 #define POST_PREREL		0x1000  /* test runs before relocation */
89 
90 #define POST_CRITICAL		0x2000	/* Use failbootcmd if test failed */
91 #define POST_STOP		0x4000	/* Interrupt POST sequence on fail */
92 
93 #define POST_MEM		(POST_RAM | POST_ROM)
94 #define POST_ALWAYS		(POST_NORMAL	| \
95 				 POST_SLOWTEST	| \
96 				 POST_MANUAL	| \
97 				 POST_POWERON	)
98 
99 #define POST_FAIL_SAVE		0x80
100 
101 #define POST_BEFORE		1
102 #define POST_AFTER		0
103 #define POST_PASSED		1
104 #define POST_FAILED		0
105 
106 #ifndef	__ASSEMBLY__
107 
108 struct post_test {
109 	char *name;
110 	char *cmd;
111 	char *desc;
112 	int flags;
113 	int (*test) (int flags);
114 	int (*init_f) (void);
115 	void (*reloc) (void);
116 	unsigned long testid;
117 };
118 int post_init_f (void);
119 void post_bootmode_init (void);
120 int post_bootmode_get (unsigned int * last_test);
121 void post_bootmode_clear (void);
122 void post_output_backlog ( void );
123 int post_run (char *name, int flags);
124 int post_info (char *name);
125 int post_log (char *format, ...);
126 #ifdef CONFIG_NEEDS_MANUAL_RELOC
127 void post_reloc (void);
128 #endif
129 unsigned long post_time_ms (unsigned long base);
130 
131 extern struct post_test post_list[];
132 extern unsigned int post_list_size;
133 extern int post_hotkeys_pressed(void);
134 extern int memory_post_test(int flags);
135 
136 /*
137  *  If GCC is configured to use a version of GAS that supports
138  * the .gnu_attribute directive, it will use that directive to
139  * record certain properties of the output code.
140  *  This feature is new to GCC 4.3.0.
141  *  .gnu_attribute is new to GAS 2.18.
142  */
143 #if (__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
144 /* Tag_GNU_Power_ABI_FP/soft-float */
145 #define GNU_FPOST_ATTR	asm(".gnu_attribute	4, 2");
146 #else
147 #define GNU_FPOST_ATTR
148 #endif /* __GNUC__ */
149 #endif /* __ASSEMBLY__ */
150 
151 #define CONFIG_SYS_POST_RTC		0x00000001
152 #define CONFIG_SYS_POST_WATCHDOG	0x00000002
153 #define CONFIG_SYS_POST_MEMORY		0x00000004
154 #define CONFIG_SYS_POST_CPU		0x00000008
155 #define CONFIG_SYS_POST_I2C		0x00000010
156 #define CONFIG_SYS_POST_CACHE		0x00000020
157 #define CONFIG_SYS_POST_UART		0x00000040
158 #define CONFIG_SYS_POST_ETHER		0x00000080
159 #define CONFIG_SYS_POST_USB		0x00000200
160 #define CONFIG_SYS_POST_SPR		0x00000400
161 #define CONFIG_SYS_POST_SYSMON		0x00000800
162 #define CONFIG_SYS_POST_DSP		0x00001000
163 #define CONFIG_SYS_POST_OCM		0x00002000
164 #define CONFIG_SYS_POST_FPU		0x00004000
165 #define CONFIG_SYS_POST_ECC		0x00008000
166 #define CONFIG_SYS_POST_BSPEC1		0x00010000
167 #define CONFIG_SYS_POST_BSPEC2		0x00020000
168 #define CONFIG_SYS_POST_BSPEC3		0x00040000
169 #define CONFIG_SYS_POST_BSPEC4		0x00080000
170 #define CONFIG_SYS_POST_BSPEC5		0x00100000
171 #define CONFIG_SYS_POST_CODEC		0x00200000
172 #define CONFIG_SYS_POST_COPROC		0x00400000
173 #define CONFIG_SYS_POST_FLASH		0x00800000
174 #define CONFIG_SYS_POST_MEM_REGIONS	0x01000000
175 
176 #endif /* CONFIG_POST */
177 
178 #endif /* _POST_H */
179