2 * Global definition of all the bootwrapper operations.
4 * Author: Mark A. Greer <mgreer@mvista.com>
6 * 2006 (c) MontaVista Software, Inc. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
11 #ifndef _PPC_BOOT_OPS_H_
12 #define _PPC_BOOT_OPS_H_
18 #define COMMAND_LINE_SIZE 512
19 #define MAX_PATH_LEN 256
20 #define MAX_PROP_LEN 256 /* What should this be? */
22 /* Platform specific operations */
25 void (*image_hdr)(const void *);
26 void * (*malloc)(unsigned long size);
27 void (*free)(void *ptr);
28 void * (*realloc)(void *ptr, unsigned long size);
30 void * (*vmlinux_alloc)(unsigned long size);
32 extern struct platform_ops platform_ops;
34 /* Device Tree operations */
36 void * (*finddevice)(const char *name);
37 int (*getprop)(const void *phandle, const char *name, void *buf,
39 int (*setprop)(const void *phandle, const char *name,
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,
46 const char *propval, int proplen);
47 unsigned long (*finalize)(void);
49 extern struct dt_ops dt_ops;
51 /* Console operations */
54 void (*write)(char *buf, int len);
55 void (*edit_cmdline)(char *buf, int len);
59 extern struct console_ops console_ops;
61 /* Serial console operations */
62 struct serial_console_data {
64 void (*putc)(unsigned char c);
65 unsigned char (*getc)(void);
72 unsigned long initrd_addr, initrd_size;
76 extern struct loader_info loader_info;
79 int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device);
80 int serial_console_init(void);
81 int ns16550_console_init(void *devp, struct serial_console_data *scdp);
82 void *simple_alloc_init(char *base, unsigned long heap_size,
83 unsigned long granularity, unsigned long max_allocs);
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);
88 static inline void *finddevice(const char *name)
90 return (dt_ops.finddevice) ? dt_ops.finddevice(name) : NULL;
93 static inline int getprop(void *devp, const char *name, void *buf, int buflen)
95 return (dt_ops.getprop) ? dt_ops.getprop(devp, name, buf, buflen) : -1;
98 static inline int setprop(void *devp, const char *name,
99 const void *buf, int buflen)
101 return (dt_ops.setprop) ? dt_ops.setprop(devp, name, buf, buflen) : -1;
103 #define setprop_val(devp, name, val) \
105 typeof(val) x = (val); \
106 setprop((devp), (name), &x, sizeof(x)); \
109 static inline int setprop_str(void *devp, const char *name, const char *buf)
112 return dt_ops.setprop(devp, name, buf, strlen(buf) + 1);
117 static inline void *get_parent(const char *devp)
119 return dt_ops.get_parent ? dt_ops.get_parent(devp) : NULL;
122 static inline void *create_node(const void *parent, const char *name)
124 return dt_ops.create_node ? dt_ops.create_node(parent, name) : NULL;
128 static inline void *find_node_by_prop_value(const void *prev,
129 const char *propname,
130 const char *propval, int proplen)
132 if (dt_ops.find_node_by_prop_value)
133 return dt_ops.find_node_by_prop_value(prev, propname,
139 static inline void *find_node_by_prop_value_str(const void *prev,
140 const char *propname,
143 return find_node_by_prop_value(prev, propname, propval,
144 strlen(propval) + 1);
147 static inline void *find_node_by_devtype(const void *prev,
150 return find_node_by_prop_value_str(prev, "device_type", type);
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)
161 static inline void *find_node_by_linuxphandle(const u32 linuxphandle)
163 return find_node_by_prop_value(NULL, "linux,phandle",
164 (char *)&linuxphandle, sizeof(u32));
167 static inline void *malloc(unsigned long size)
169 return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL;
172 static inline void free(void *ptr)
174 if (platform_ops.free)
175 platform_ops.free(ptr);
178 static inline void exit(void)
180 if (platform_ops.exit)
184 #define fatal(args...) { printf(args); exit(); }
187 #define BSS_STACK(size) \
188 static char _bss_stack[size]; \
189 void *_platform_stack_top = _bss_stack + sizeof(_bss_stack);
191 #endif /* _PPC_BOOT_OPS_H_ */