diff options
Diffstat (limited to 'arch/powerpc/boot/ops.h')
-rw-r--r-- | arch/powerpc/boot/ops.h | 103 |
1 files changed, 96 insertions, 7 deletions
diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h index 8abb6516bb7c..73bd47a3a079 100644 --- a/arch/powerpc/boot/ops.h +++ b/arch/powerpc/boot/ops.h | |||
@@ -11,7 +11,9 @@ | |||
11 | #ifndef _PPC_BOOT_OPS_H_ | 11 | #ifndef _PPC_BOOT_OPS_H_ |
12 | #define _PPC_BOOT_OPS_H_ | 12 | #define _PPC_BOOT_OPS_H_ |
13 | 13 | ||
14 | #include <stddef.h> | ||
14 | #include "types.h" | 15 | #include "types.h" |
16 | #include "string.h" | ||
15 | 17 | ||
16 | #define COMMAND_LINE_SIZE 512 | 18 | #define COMMAND_LINE_SIZE 512 |
17 | #define MAX_PATH_LEN 256 | 19 | #define MAX_PATH_LEN 256 |
@@ -21,10 +23,11 @@ | |||
21 | struct platform_ops { | 23 | struct platform_ops { |
22 | void (*fixups)(void); | 24 | void (*fixups)(void); |
23 | void (*image_hdr)(const void *); | 25 | void (*image_hdr)(const void *); |
24 | void * (*malloc)(u32 size); | 26 | void * (*malloc)(unsigned long size); |
25 | void (*free)(void *ptr); | 27 | void (*free)(void *ptr); |
26 | void * (*realloc)(void *ptr, unsigned long size); | 28 | void * (*realloc)(void *ptr, unsigned long size); |
27 | void (*exit)(void); | 29 | void (*exit)(void); |
30 | void * (*vmlinux_alloc)(unsigned long size); | ||
28 | }; | 31 | }; |
29 | extern struct platform_ops platform_ops; | 32 | extern struct platform_ops platform_ops; |
30 | 33 | ||
@@ -35,6 +38,12 @@ struct dt_ops { | |||
35 | const int buflen); | 38 | const int buflen); |
36 | int (*setprop)(const void *phandle, const char *name, | 39 | int (*setprop)(const void *phandle, const char *name, |
37 | const void *buf, const int buflen); | 40 | const void *buf, const int buflen); |
41 | void *(*get_parent)(const void *phandle); | ||
42 | /* The node must not already exist. */ | ||
43 | void *(*create_node)(const void *parent, const char *name); | ||
44 | void *(*find_node_by_prop_value)(const void *prev, | ||
45 | const char *propname, | ||
46 | const char *propval, int proplen); | ||
38 | unsigned long (*finalize)(void); | 47 | unsigned long (*finalize)(void); |
39 | }; | 48 | }; |
40 | extern struct dt_ops dt_ops; | 49 | extern struct dt_ops dt_ops; |
@@ -58,13 +67,23 @@ struct serial_console_data { | |||
58 | void (*close)(void); | 67 | void (*close)(void); |
59 | }; | 68 | }; |
60 | 69 | ||
61 | int platform_init(void *promptr, char *dt_blob_start, char *dt_blob_end); | 70 | struct loader_info { |
71 | void *promptr; | ||
72 | unsigned long initrd_addr, initrd_size; | ||
73 | char *cmdline; | ||
74 | int cmdline_len; | ||
75 | }; | ||
76 | extern struct loader_info loader_info; | ||
77 | |||
78 | void start(void); | ||
62 | int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device); | 79 | int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device); |
63 | int serial_console_init(void); | 80 | int serial_console_init(void); |
64 | int ns16550_console_init(void *devp, struct serial_console_data *scdp); | 81 | int ns16550_console_init(void *devp, struct serial_console_data *scdp); |
65 | void *simple_alloc_init(char *base, u32 heap_size, u32 granularity, | 82 | void *simple_alloc_init(char *base, unsigned long heap_size, |
66 | u32 max_allocs); | 83 | unsigned long granularity, unsigned long max_allocs); |
67 | 84 | extern void flush_cache(void *, unsigned long); | |
85 | int dt_xlate_reg(void *node, int res, unsigned long *addr, unsigned long *size); | ||
86 | int dt_xlate_addr(void *node, u32 *buf, int buflen, unsigned long *xlated_addr); | ||
68 | 87 | ||
69 | static inline void *finddevice(const char *name) | 88 | static inline void *finddevice(const char *name) |
70 | { | 89 | { |
@@ -76,12 +95,76 @@ static inline int getprop(void *devp, const char *name, void *buf, int buflen) | |||
76 | return (dt_ops.getprop) ? dt_ops.getprop(devp, name, buf, buflen) : -1; | 95 | return (dt_ops.getprop) ? dt_ops.getprop(devp, name, buf, buflen) : -1; |
77 | } | 96 | } |
78 | 97 | ||
79 | static inline int setprop(void *devp, const char *name, void *buf, int buflen) | 98 | static inline int setprop(void *devp, const char *name, |
99 | const void *buf, int buflen) | ||
80 | { | 100 | { |
81 | return (dt_ops.setprop) ? dt_ops.setprop(devp, name, buf, buflen) : -1; | 101 | return (dt_ops.setprop) ? dt_ops.setprop(devp, name, buf, buflen) : -1; |
82 | } | 102 | } |
103 | #define setprop_val(devp, name, val) \ | ||
104 | do { \ | ||
105 | typeof(val) x = (val); \ | ||
106 | setprop((devp), (name), &x, sizeof(x)); \ | ||
107 | } while (0) | ||
108 | |||
109 | static inline int setprop_str(void *devp, const char *name, const char *buf) | ||
110 | { | ||
111 | if (dt_ops.setprop) | ||
112 | return dt_ops.setprop(devp, name, buf, strlen(buf) + 1); | ||
113 | |||
114 | return -1; | ||
115 | } | ||
116 | |||
117 | static inline void *get_parent(const char *devp) | ||
118 | { | ||
119 | return dt_ops.get_parent ? dt_ops.get_parent(devp) : NULL; | ||
120 | } | ||
121 | |||
122 | static inline void *create_node(const void *parent, const char *name) | ||
123 | { | ||
124 | return dt_ops.create_node ? dt_ops.create_node(parent, name) : NULL; | ||
125 | } | ||
126 | |||
83 | 127 | ||
84 | static inline void *malloc(u32 size) | 128 | static inline void *find_node_by_prop_value(const void *prev, |
129 | const char *propname, | ||
130 | const char *propval, int proplen) | ||
131 | { | ||
132 | if (dt_ops.find_node_by_prop_value) | ||
133 | return dt_ops.find_node_by_prop_value(prev, propname, | ||
134 | propval, proplen); | ||
135 | |||
136 | return NULL; | ||
137 | } | ||
138 | |||
139 | static inline void *find_node_by_prop_value_str(const void *prev, | ||
140 | const char *propname, | ||
141 | const char *propval) | ||
142 | { | ||
143 | return find_node_by_prop_value(prev, propname, propval, | ||
144 | strlen(propval) + 1); | ||
145 | } | ||
146 | |||
147 | static inline void *find_node_by_devtype(const void *prev, | ||
148 | const char *type) | ||
149 | { | ||
150 | return find_node_by_prop_value_str(prev, "device_type", type); | ||
151 | } | ||
152 | |||
153 | void dt_fixup_memory(u64 start, u64 size); | ||
154 | void dt_fixup_cpu_clocks(u32 cpufreq, u32 tbfreq, u32 busfreq); | ||
155 | void dt_fixup_clock(const char *path, u32 freq); | ||
156 | void __dt_fixup_mac_addresses(u32 startindex, ...); | ||
157 | #define dt_fixup_mac_addresses(...) \ | ||
158 | __dt_fixup_mac_addresses(0, __VA_ARGS__, NULL) | ||
159 | |||
160 | |||
161 | static inline void *find_node_by_linuxphandle(const u32 linuxphandle) | ||
162 | { | ||
163 | return find_node_by_prop_value(NULL, "linux,phandle", | ||
164 | (char *)&linuxphandle, sizeof(u32)); | ||
165 | } | ||
166 | |||
167 | static inline void *malloc(unsigned long size) | ||
85 | { | 168 | { |
86 | return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL; | 169 | return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL; |
87 | } | 170 | } |
@@ -98,5 +181,11 @@ static inline void exit(void) | |||
98 | platform_ops.exit(); | 181 | platform_ops.exit(); |
99 | for(;;); | 182 | for(;;); |
100 | } | 183 | } |
184 | #define fatal(args...) { printf(args); exit(); } | ||
185 | |||
186 | |||
187 | #define BSS_STACK(size) \ | ||
188 | static char _bss_stack[size]; \ | ||
189 | void *_platform_stack_top = _bss_stack + sizeof(_bss_stack); | ||
101 | 190 | ||
102 | #endif /* _PPC_BOOT_OPS_H_ */ | 191 | #endif /* _PPC_BOOT_OPS_H_ */ |