1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3 * (C) Copyright 2002
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 *
6 * (C) Copyright 2010
7 * Michael Zaidman, Kodak, michael.zaidman@kodak.com
8 * post_word_{load|store} cleanup.
9 */
10 #ifndef _POST_H
11 #define _POST_H
12
13 #ifndef __ASSEMBLY__
14 #include <common.h>
15 #include <asm/io.h>
16
17 #if defined(CONFIG_POST)
18
19 #ifndef CONFIG_POST_EXTERNAL_WORD_FUNCS
20 #ifdef CONFIG_SYS_POST_WORD_ADDR
21 #define _POST_WORD_ADDR CONFIG_SYS_POST_WORD_ADDR
22 #else
23
24 #if defined(CONFIG_ARCH_MPC8360)
25 #include <linux/immap_qe.h>
26 #define _POST_WORD_ADDR (CONFIG_SYS_IMMR + CPM_POST_WORD_ADDR)
27
28 #elif defined (CONFIG_MPC85xx)
29 #include <asm/immap_85xx.h>
30 #define _POST_WORD_ADDR (CONFIG_SYS_IMMR + CONFIG_SYS_MPC85xx_PIC_OFFSET + \
31 offsetof(ccsr_pic_t, tfrr))
32 #endif
33
34 #ifndef _POST_WORD_ADDR
35 #error "_POST_WORD_ADDR currently not implemented for this platform!"
36 #endif
37 #endif /* CONFIG_SYS_POST_WORD_ADDR */
38
post_word_load(void)39 static inline ulong post_word_load (void)
40 {
41 return in_le32((volatile void *)(_POST_WORD_ADDR));
42 }
43
post_word_store(ulong value)44 static inline void post_word_store (ulong value)
45 {
46 out_le32((volatile void *)(_POST_WORD_ADDR), value);
47 }
48
49 #else
50
51 extern ulong post_word_load(void);
52 extern void post_word_store(ulong value);
53
54 #endif /* CONFIG_POST_EXTERNAL_WORD_FUNCS */
55 #endif /* defined (CONFIG_POST) */
56 #endif /* __ASSEMBLY__ */
57
58 #ifdef CONFIG_POST
59
60 #define POST_POWERON 0x01 /* test runs on power-on booting */
61 #define POST_NORMAL 0x02 /* test runs on normal booting */
62 #define POST_SLOWTEST 0x04 /* test is slow, enabled by key press */
63 #define POST_POWERTEST 0x08 /* test runs after watchdog reset */
64
65 #define POST_COLDBOOT 0x80 /* first boot after power-on */
66
67 #define POST_ROM 0x0100 /* test runs in ROM */
68 #define POST_RAM 0x0200 /* test runs in RAM */
69 #define POST_MANUAL 0x0400 /* test runs on diag command */
70 #define POST_REBOOT 0x0800 /* test may cause rebooting */
71 #define POST_PREREL 0x1000 /* test runs before relocation */
72
73 #define POST_CRITICAL 0x2000 /* Use failbootcmd if test failed */
74 #define POST_STOP 0x4000 /* Interrupt POST sequence on fail */
75
76 #define POST_MEM (POST_RAM | POST_ROM)
77 #define POST_ALWAYS (POST_NORMAL | \
78 POST_SLOWTEST | \
79 POST_MANUAL | \
80 POST_POWERON )
81
82 #define POST_FAIL_SAVE 0x80
83
84 #define POST_BEFORE 1
85 #define POST_AFTER 0
86 #define POST_PASSED 1
87 #define POST_FAILED 0
88
89 #ifndef __ASSEMBLY__
90
91 struct post_test {
92 char *name;
93 char *cmd;
94 char *desc;
95 int flags;
96 int (*test) (int flags);
97 int (*init_f) (void);
98 void (*reloc) (void);
99 unsigned long testid;
100 };
101 int post_init_f (void);
102 void post_bootmode_init (void);
103 int post_bootmode_get (unsigned int * last_test);
104 void post_bootmode_clear (void);
105 int post_run (char *name, int flags);
106 int post_info (char *name);
107 int post_log (char *format, ...);
108 #ifdef CONFIG_NEEDS_MANUAL_RELOC
109 void post_reloc (void);
110 #endif
111 unsigned long post_time_ms (unsigned long base);
112
113 /**
114 * post_output_backlog() - Print POST results
115 *
116 * Print POST results during the generic board init sequence, after
117 * relocation.
118 *
119 * Return: 0 if OK
120 */
121 int post_output_backlog(void);
122
123 extern struct post_test post_list[];
124 extern unsigned int post_list_size;
125 extern int post_hotkeys_pressed(void);
126 extern int memory_post_test(int flags);
127
128 /*
129 * If GCC is configured to use a version of GAS that supports
130 * the .gnu_attribute directive, it will use that directive to
131 * record certain properties of the output code.
132 * This feature is new to GCC 4.3.0.
133 * .gnu_attribute is new to GAS 2.18.
134 */
135 #if (__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
136 /* Tag_GNU_Power_ABI_FP/soft-float */
137 #define GNU_FPOST_ATTR asm(".gnu_attribute 4, 2");
138 #else
139 #define GNU_FPOST_ATTR
140 #endif /* __GNUC__ */
141 #endif /* __ASSEMBLY__ */
142
143 #define CONFIG_SYS_POST_RTC 0x00000001
144 #define CONFIG_SYS_POST_WATCHDOG 0x00000002
145 #define CONFIG_SYS_POST_MEMORY 0x00000004
146 #define CONFIG_SYS_POST_CPU 0x00000008
147 #define CONFIG_SYS_POST_I2C 0x00000010
148 #define CONFIG_SYS_POST_CACHE 0x00000020
149 #define CONFIG_SYS_POST_UART 0x00000040
150 #define CONFIG_SYS_POST_ETHER 0x00000080
151 #define CONFIG_SYS_POST_USB 0x00000200
152 #define CONFIG_SYS_POST_SPR 0x00000400
153 #define CONFIG_SYS_POST_SYSMON 0x00000800
154 #define CONFIG_SYS_POST_DSP 0x00001000
155 #define CONFIG_SYS_POST_OCM 0x00002000
156 #define CONFIG_SYS_POST_FPU 0x00004000
157 #define CONFIG_SYS_POST_ECC 0x00008000
158 #define CONFIG_SYS_POST_BSPEC1 0x00010000
159 #define CONFIG_SYS_POST_BSPEC2 0x00020000
160 #define CONFIG_SYS_POST_BSPEC3 0x00040000
161 #define CONFIG_SYS_POST_BSPEC4 0x00080000
162 #define CONFIG_SYS_POST_BSPEC5 0x00100000
163 #define CONFIG_SYS_POST_CODEC 0x00200000
164 #define CONFIG_SYS_POST_COPROC 0x00400000
165 #define CONFIG_SYS_POST_FLASH 0x00800000
166 #define CONFIG_SYS_POST_MEM_REGIONS 0x01000000
167
168 #endif /* CONFIG_POST */
169
170 #endif /* _POST_H */
171