xref: /openbmc/u-boot/include/post.h (revision 1e52fea3)
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 #ifndef CONFIG_POST_EXTERNAL_WORD_FUNCS
37 #ifdef CONFIG_SYS_POST_WORD_ADDR
38 #define _POST_WORD_ADDR	CONFIG_SYS_POST_WORD_ADDR
39 #else
40 
41 #ifdef CONFIG_MPC5xxx
42 #define _POST_WORD_ADDR	(MPC5XXX_SRAM + MPC5XXX_SRAM_POST_SIZE)
43 
44 #elif defined(CONFIG_MPC512X)
45 #define _POST_WORD_ADDR \
46 	(CONFIG_SYS_SRAM_BASE + CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
47 
48 #elif defined(CONFIG_8xx)
49 #define _POST_WORD_ADDR \
50 	(((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_dpmem + CPM_POST_WORD_ADDR)
51 
52 #elif defined(CONFIG_MPC8260)
53 #include <asm/cpm_8260.h>
54 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
55 
56 #elif defined(CONFIG_MPC8360)
57 #include <asm/immap_qe.h>
58 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
59 
60 #elif defined (CONFIG_MPC85xx)
61 #include <asm/immap_85xx.h>
62 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CONFIG_SYS_MPC85xx_PIC_OFFSET + \
63 				offsetof(ccsr_pic_t, tfrr))
64 
65 #elif defined (CONFIG_MPC86xx)
66 #include <asm/immap_86xx.h>
67 #define _POST_WORD_ADDR	(CONFIG_SYS_IMMR + CONFIG_SYS_MPC86xx_PIC_OFFSET + \
68 				offsetof(ccsr_pic_t, tfrr))
69 
70 #elif defined (CONFIG_4xx)
71 #define _POST_WORD_ADDR \
72 	(CONFIG_SYS_OCM_DATA_ADDR + CONFIG_SYS_GBL_DATA_OFFSET - 0x4)
73 #endif
74 
75 #ifndef _POST_WORD_ADDR
76 #error "_POST_WORD_ADDR currently not implemented for this platform!"
77 #endif
78 #endif /* CONFIG_SYS_POST_WORD_ADDR */
79 
80 static inline ulong post_word_load (void)
81 {
82 	return in_le32((volatile void *)(_POST_WORD_ADDR));
83 }
84 
85 static inline void post_word_store (ulong value)
86 {
87 	out_le32((volatile void *)(_POST_WORD_ADDR), value);
88 }
89 
90 #else
91 
92 extern ulong post_word_load(void);
93 extern void post_word_store(ulong value);
94 
95 #endif /* CONFIG_POST_EXTERNAL_WORD_FUNCS */
96 #endif /* defined (CONFIG_POST) || defined(CONFIG_LOGBUFFER) */
97 #endif /* __ASSEMBLY__ */
98 
99 #ifdef CONFIG_POST
100 
101 #define POST_POWERON		0x01	/* test runs on power-on booting */
102 #define POST_NORMAL		0x02	/* test runs on normal booting */
103 #define POST_SLOWTEST		0x04	/* test is slow, enabled by key press */
104 #define POST_POWERTEST		0x08	/* test runs after watchdog reset */
105 
106 #define POST_COLDBOOT		0x80	/* first boot after power-on */
107 
108 #define POST_ROM		0x0100	/* test runs in ROM */
109 #define POST_RAM		0x0200	/* test runs in RAM */
110 #define POST_MANUAL		0x0400	/* test runs on diag command */
111 #define POST_REBOOT		0x0800	/* test may cause rebooting */
112 #define POST_PREREL		0x1000  /* test runs before relocation */
113 
114 #define POST_CRITICAL		0x2000	/* Use failbootcmd if test failed */
115 #define POST_STOP		0x4000	/* Interrupt POST sequence on fail */
116 
117 #define POST_MEM		(POST_RAM | POST_ROM)
118 #define POST_ALWAYS		(POST_NORMAL	| \
119 				 POST_SLOWTEST	| \
120 				 POST_MANUAL	| \
121 				 POST_POWERON	)
122 
123 #define POST_FAIL_SAVE		0x80
124 
125 #define POST_BEFORE		1
126 #define POST_AFTER		0
127 #define POST_PASSED		1
128 #define POST_FAILED		0
129 
130 #ifndef	__ASSEMBLY__
131 
132 struct post_test {
133 	char *name;
134 	char *cmd;
135 	char *desc;
136 	int flags;
137 	int (*test) (int flags);
138 	int (*init_f) (void);
139 	void (*reloc) (void);
140 	unsigned long testid;
141 };
142 int post_init_f (void);
143 void post_bootmode_init (void);
144 int post_bootmode_get (unsigned int * last_test);
145 void post_bootmode_clear (void);
146 void post_output_backlog ( void );
147 int post_run (char *name, int flags);
148 int post_info (char *name);
149 int post_log (char *format, ...);
150 #ifdef CONFIG_NEEDS_MANUAL_RELOC
151 void post_reloc (void);
152 #endif
153 unsigned long post_time_ms (unsigned long base);
154 
155 extern struct post_test post_list[];
156 extern unsigned int post_list_size;
157 extern int post_hotkeys_pressed(void);
158 extern int memory_post_test(int flags);
159 
160 /*
161  *  If GCC is configured to use a version of GAS that supports
162  * the .gnu_attribute directive, it will use that directive to
163  * record certain properties of the output code.
164  *  This feature is new to GCC 4.3.0.
165  *  .gnu_attribute is new to GAS 2.18.
166  */
167 #if (__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
168 /* Tag_GNU_Power_ABI_FP/soft-float */
169 #define GNU_FPOST_ATTR	asm(".gnu_attribute	4, 2");
170 #else
171 #define GNU_FPOST_ATTR
172 #endif /* __GNUC__ */
173 #endif /* __ASSEMBLY__ */
174 
175 #define CONFIG_SYS_POST_RTC		0x00000001
176 #define CONFIG_SYS_POST_WATCHDOG	0x00000002
177 #define CONFIG_SYS_POST_MEMORY		0x00000004
178 #define CONFIG_SYS_POST_CPU		0x00000008
179 #define CONFIG_SYS_POST_I2C		0x00000010
180 #define CONFIG_SYS_POST_CACHE		0x00000020
181 #define CONFIG_SYS_POST_UART		0x00000040
182 #define CONFIG_SYS_POST_ETHER		0x00000080
183 #define CONFIG_SYS_POST_SPI		0x00000100
184 #define CONFIG_SYS_POST_USB		0x00000200
185 #define CONFIG_SYS_POST_SPR		0x00000400
186 #define CONFIG_SYS_POST_SYSMON		0x00000800
187 #define CONFIG_SYS_POST_DSP		0x00001000
188 #define CONFIG_SYS_POST_OCM		0x00002000
189 #define CONFIG_SYS_POST_FPU		0x00004000
190 #define CONFIG_SYS_POST_ECC		0x00008000
191 #define CONFIG_SYS_POST_BSPEC1		0x00010000
192 #define CONFIG_SYS_POST_BSPEC2		0x00020000
193 #define CONFIG_SYS_POST_BSPEC3		0x00040000
194 #define CONFIG_SYS_POST_BSPEC4		0x00080000
195 #define CONFIG_SYS_POST_BSPEC5		0x00100000
196 #define CONFIG_SYS_POST_CODEC		0x00200000
197 #define CONFIG_SYS_POST_COPROC		0x00400000
198 #define CONFIG_SYS_POST_FLASH		0x00800000
199 #define CONFIG_SYS_POST_MEM_REGIONS	0x01000000
200 
201 #endif /* CONFIG_POST */
202 
203 #endif /* _POST_H */
204