xref: /openbmc/u-boot/include/post.h (revision 9691c5b9)
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  * See file CREDITS for list of people who contributed to this
10  * project.
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License as
14  * published by the Free Software Foundation; either version 2 of
15  * the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25  * MA 02111-1307 USA
26  */
27 #ifndef _POST_H
28 #define _POST_H
29 
30 #ifndef	__ASSEMBLY__
31 #include <common.h>
32 #include <asm/io.h>
33 
34 #if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
35 
36 #ifdef CONFIG_SYS_POST_WORD_ADDR
37 #define _POST_WORD_ADDR	CONFIG_SYS_POST_WORD_ADDR
38 #else
39 
40 #ifdef CONFIG_MPC5xxx
41 #define _POST_WORD_ADDR	(MPC5XXX_SRAM + MPC5XXX_SRAM_POST_SIZE)
42 
43 #elif defined(CONFIG_MPC512X)
44 #define _POST_WORD_ADDR \
45 	(CONFIG_SYS_SRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
46 
47 #elif defined(CONFIG_8xx)
48 #define _POST_WORD_ADDR \
49 	(((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_dpmem + CPM_POST_WORD_ADDR)
50 
51 #elif defined(CONFIG_MPC8260)
52 #include <asm/cpm_8260.h>
53 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
54 
55 #elif defined(CONFIG_MPC8360)
56 #include <asm/immap_qe.h>
57 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
58 
59 #elif defined (CONFIG_MPC85xx)
60 #include <asm/immap_85xx.h>
61 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CONFIG_SYS_MPC85xx_PIC_OFFSET + \
62 				offsetof(ccsr_pic_t, tfrr))
63 
64 #elif defined (CONFIG_MPC86xx)
65 #include <asm/immap_86xx.h>
66 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CONFIG_SYS_MPC86xx_PIC_OFFSET + \
67 				offsetof(ccsr_pic_t, tfrr))
68 
69 #elif defined (CONFIG_4xx)
70 #define _POST_WORD_ADDR \
71 	(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
72 #endif
73 
74 #ifndef _POST_WORD_ADDR
75 #error "_POST_WORD_ADDR currently not implemented for this platform!"
76 #endif
77 #endif /* CONFIG_SYS_POST_WORD_ADDR */
78 
79 static inline ulong post_word_load (void)
80 {
81 	return in_le32((volatile void *)(_POST_WORD_ADDR));
82 }
83 
84 static inline void post_word_store (ulong value)
85 {
86 	out_le32((volatile void *)(_POST_WORD_ADDR), value);
87 }
88 #endif /* defined (CONFIG_POST) || defined(CONFIG_LOGBUFFER) */
89 #endif /* __ASSEMBLY__ */
90 
91 #ifdef CONFIG_POST
92 
93 #define POST_POWERON		0x01	/* test runs on power-on booting */
94 #define POST_NORMAL		0x02	/* test runs on normal booting */
95 #define POST_SLOWTEST		0x04	/* test is slow, enabled by key press */
96 #define POST_POWERTEST		0x08	/* test runs after watchdog reset */
97 
98 #define POST_COLDBOOT		0x80	/* first boot after power-on */
99 
100 #define POST_ROM		0x0100	/* test runs in ROM */
101 #define POST_RAM		0x0200	/* test runs in RAM */
102 #define POST_MANUAL		0x0400	/* test runs on diag command */
103 #define POST_REBOOT		0x0800	/* test may cause rebooting */
104 #define POST_PREREL		0x1000  /* test runs before relocation */
105 
106 #define POST_CRITICAL		0x2000	/* Use failbootcmd if test failed */
107 #define POST_STOP		0x4000	/* Interrupt POST sequence on fail */
108 
109 #define POST_MEM		(POST_RAM | POST_ROM)
110 #define POST_ALWAYS		(POST_NORMAL	| \
111 				 POST_SLOWTEST	| \
112 				 POST_MANUAL	| \
113 				 POST_POWERON	)
114 
115 #define POST_FAIL_SAVE		0x80
116 
117 #define POST_BEFORE		1
118 #define POST_AFTER		0
119 #define POST_PASSED		1
120 #define POST_FAILED		0
121 
122 #ifndef	__ASSEMBLY__
123 
124 struct post_test {
125 	char *name;
126 	char *cmd;
127 	char *desc;
128 	int flags;
129 	int (*test) (int flags);
130 	int (*init_f) (void);
131 	void (*reloc) (void);
132 	unsigned long testid;
133 };
134 int post_init_f (void);
135 void post_bootmode_init (void);
136 int post_bootmode_get (unsigned int * last_test);
137 void post_bootmode_clear (void);
138 void post_output_backlog ( void );
139 int post_run (char *name, int flags);
140 int post_info (char *name);
141 int post_log (char *format, ...);
142 #ifdef CONFIG_NEEDS_MANUAL_RELOC
143 void post_reloc (void);
144 #endif
145 unsigned long post_time_ms (unsigned long base);
146 
147 extern struct post_test post_list[];
148 extern unsigned int post_list_size;
149 extern int post_hotkeys_pressed(void);
150 extern int memory_post_test(int flags);
151 
152 /*
153  *  If GCC is configured to use a version of GAS that supports
154  * the .gnu_attribute directive, it will use that directive to
155  * record certain properties of the output code.
156  *  This feature is new to GCC 4.3.0.
157  *  .gnu_attribute is new to GAS 2.18.
158  */
159 #if (__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
160 /* Tag_GNU_Power_ABI_FP/soft-float */
161 #define GNU_FPOST_ATTR	asm(".gnu_attribute	4, 2");
162 #else
163 #define GNU_FPOST_ATTR
164 #endif /* __GNUC__ */
165 #endif /* __ASSEMBLY__ */
166 
167 #define CONFIG_SYS_POST_RTC		0x00000001
168 #define CONFIG_SYS_POST_WATCHDOG	0x00000002
169 #define CONFIG_SYS_POST_MEMORY		0x00000004
170 #define CONFIG_SYS_POST_CPU		0x00000008
171 #define CONFIG_SYS_POST_I2C		0x00000010
172 #define CONFIG_SYS_POST_CACHE		0x00000020
173 #define CONFIG_SYS_POST_UART		0x00000040
174 #define CONFIG_SYS_POST_ETHER		0x00000080
175 #define CONFIG_SYS_POST_SPI		0x00000100
176 #define CONFIG_SYS_POST_USB		0x00000200
177 #define CONFIG_SYS_POST_SPR		0x00000400
178 #define CONFIG_SYS_POST_SYSMON		0x00000800
179 #define CONFIG_SYS_POST_DSP		0x00001000
180 #define CONFIG_SYS_POST_OCM		0x00002000
181 #define CONFIG_SYS_POST_FPU		0x00004000
182 #define CONFIG_SYS_POST_ECC		0x00008000
183 #define CONFIG_SYS_POST_BSPEC1		0x00010000
184 #define CONFIG_SYS_POST_BSPEC2		0x00020000
185 #define CONFIG_SYS_POST_BSPEC3		0x00040000
186 #define CONFIG_SYS_POST_BSPEC4		0x00080000
187 #define CONFIG_SYS_POST_BSPEC5		0x00100000
188 #define CONFIG_SYS_POST_CODEC		0x00200000
189 #define CONFIG_SYS_POST_COPROC		0x00400000
190 #define CONFIG_SYS_POST_FLASH		0x00800000
191 
192 #endif /* CONFIG_POST */
193 
194 #endif /* _POST_H */
195