xref: /openbmc/u-boot/include/post.h (revision 9d1b2987)
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_8xx)
33 #define _POST_WORD_ADDR \
34 	(((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_dpmem + CPM_POST_WORD_ADDR)
35 
36 #elif defined(CONFIG_MPC8260)
37 #include <asm/cpm_8260.h>
38 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
39 
40 #elif defined(CONFIG_MPC8360)
41 #include <linux/immap_qe.h>
42 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
43 
44 #elif defined (CONFIG_MPC85xx)
45 #include <asm/immap_85xx.h>
46 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CONFIG_SYS_MPC85xx_PIC_OFFSET + \
47 				offsetof(ccsr_pic_t, tfrr))
48 
49 #elif defined (CONFIG_MPC86xx)
50 #include <asm/immap_86xx.h>
51 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CONFIG_SYS_MPC86xx_PIC_OFFSET + \
52 				offsetof(ccsr_pic_t, tfrr))
53 
54 #elif defined (CONFIG_4xx)
55 #define _POST_WORD_ADDR \
56 	(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
57 #endif
58 
59 #ifndef _POST_WORD_ADDR
60 #error "_POST_WORD_ADDR currently not implemented for this platform!"
61 #endif
62 #endif /* CONFIG_SYS_POST_WORD_ADDR */
63 
64 static inline ulong post_word_load (void)
65 {
66 	return in_le32((volatile void *)(_POST_WORD_ADDR));
67 }
68 
69 static inline void post_word_store (ulong value)
70 {
71 	out_le32((volatile void *)(_POST_WORD_ADDR), value);
72 }
73 
74 #else
75 
76 extern ulong post_word_load(void);
77 extern void post_word_store(ulong value);
78 
79 #endif /* CONFIG_POST_EXTERNAL_WORD_FUNCS */
80 #endif /* defined (CONFIG_POST) || defined(CONFIG_LOGBUFFER) */
81 #endif /* __ASSEMBLY__ */
82 
83 #ifdef CONFIG_POST
84 
85 #define POST_POWERON		0x01	/* test runs on power-on booting */
86 #define POST_NORMAL		0x02	/* test runs on normal booting */
87 #define POST_SLOWTEST		0x04	/* test is slow, enabled by key press */
88 #define POST_POWERTEST		0x08	/* test runs after watchdog reset */
89 
90 #define POST_COLDBOOT		0x80	/* first boot after power-on */
91 
92 #define POST_ROM		0x0100	/* test runs in ROM */
93 #define POST_RAM		0x0200	/* test runs in RAM */
94 #define POST_MANUAL		0x0400	/* test runs on diag command */
95 #define POST_REBOOT		0x0800	/* test may cause rebooting */
96 #define POST_PREREL		0x1000  /* test runs before relocation */
97 
98 #define POST_CRITICAL		0x2000	/* Use failbootcmd if test failed */
99 #define POST_STOP		0x4000	/* Interrupt POST sequence on fail */
100 
101 #define POST_MEM		(POST_RAM | POST_ROM)
102 #define POST_ALWAYS		(POST_NORMAL	| \
103 				 POST_SLOWTEST	| \
104 				 POST_MANUAL	| \
105 				 POST_POWERON	)
106 
107 #define POST_FAIL_SAVE		0x80
108 
109 #define POST_BEFORE		1
110 #define POST_AFTER		0
111 #define POST_PASSED		1
112 #define POST_FAILED		0
113 
114 #ifndef	__ASSEMBLY__
115 
116 struct post_test {
117 	char *name;
118 	char *cmd;
119 	char *desc;
120 	int flags;
121 	int (*test) (int flags);
122 	int (*init_f) (void);
123 	void (*reloc) (void);
124 	unsigned long testid;
125 };
126 int post_init_f (void);
127 void post_bootmode_init (void);
128 int post_bootmode_get (unsigned int * last_test);
129 void post_bootmode_clear (void);
130 void post_output_backlog ( void );
131 int post_run (char *name, int flags);
132 int post_info (char *name);
133 int post_log (char *format, ...);
134 #ifdef CONFIG_NEEDS_MANUAL_RELOC
135 void post_reloc (void);
136 #endif
137 unsigned long post_time_ms (unsigned long base);
138 
139 extern struct post_test post_list[];
140 extern unsigned int post_list_size;
141 extern int post_hotkeys_pressed(void);
142 extern int memory_post_test(int flags);
143 
144 /*
145  *  If GCC is configured to use a version of GAS that supports
146  * the .gnu_attribute directive, it will use that directive to
147  * record certain properties of the output code.
148  *  This feature is new to GCC 4.3.0.
149  *  .gnu_attribute is new to GAS 2.18.
150  */
151 #if (__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
152 /* Tag_GNU_Power_ABI_FP/soft-float */
153 #define GNU_FPOST_ATTR	asm(".gnu_attribute	4, 2");
154 #else
155 #define GNU_FPOST_ATTR
156 #endif /* __GNUC__ */
157 #endif /* __ASSEMBLY__ */
158 
159 #define CONFIG_SYS_POST_RTC		0x00000001
160 #define CONFIG_SYS_POST_WATCHDOG	0x00000002
161 #define CONFIG_SYS_POST_MEMORY		0x00000004
162 #define CONFIG_SYS_POST_CPU		0x00000008
163 #define CONFIG_SYS_POST_I2C		0x00000010
164 #define CONFIG_SYS_POST_CACHE		0x00000020
165 #define CONFIG_SYS_POST_UART		0x00000040
166 #define CONFIG_SYS_POST_ETHER		0x00000080
167 #define CONFIG_SYS_POST_SPI		0x00000100
168 #define CONFIG_SYS_POST_USB		0x00000200
169 #define CONFIG_SYS_POST_SPR		0x00000400
170 #define CONFIG_SYS_POST_SYSMON		0x00000800
171 #define CONFIG_SYS_POST_DSP		0x00001000
172 #define CONFIG_SYS_POST_OCM		0x00002000
173 #define CONFIG_SYS_POST_FPU		0x00004000
174 #define CONFIG_SYS_POST_ECC		0x00008000
175 #define CONFIG_SYS_POST_BSPEC1		0x00010000
176 #define CONFIG_SYS_POST_BSPEC2		0x00020000
177 #define CONFIG_SYS_POST_BSPEC3		0x00040000
178 #define CONFIG_SYS_POST_BSPEC4		0x00080000
179 #define CONFIG_SYS_POST_BSPEC5		0x00100000
180 #define CONFIG_SYS_POST_CODEC		0x00200000
181 #define CONFIG_SYS_POST_COPROC		0x00400000
182 #define CONFIG_SYS_POST_FLASH		0x00800000
183 #define CONFIG_SYS_POST_MEM_REGIONS	0x01000000
184 
185 #endif /* CONFIG_POST */
186 
187 #endif /* _POST_H */
188