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)(u32 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;
74 extern struct loader_info loader_info;
77 int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device);
78 int serial_console_init(void);
79 int ns16550_console_init(void *devp, struct serial_console_data *scdp);
80 void *simple_alloc_init(char *base, u32 heap_size, u32 granularity,
84 static inline void *finddevice(const char *name)
86 return (dt_ops.finddevice) ? dt_ops.finddevice(name) : NULL;
89 static inline int getprop(void *devp, const char *name, void *buf, int buflen)
91 return (dt_ops.getprop) ? dt_ops.getprop(devp, name, buf, buflen) : -1;
94 static inline int setprop(void *devp, const char *name, void *buf, int buflen)
96 return (dt_ops.setprop) ? dt_ops.setprop(devp, name, buf, buflen) : -1;
99 static inline int setprop_str(void *devp, const char *name, const char *buf)
102 return dt_ops.setprop(devp, name, buf, strlen(buf) + 1);
107 static inline void *get_parent(const char *devp)
109 return dt_ops.get_parent ? dt_ops.get_parent(devp) : NULL;
112 static inline void *create_node(const void *parent, const char *name)
114 return dt_ops.create_node ? dt_ops.create_node(parent, name) : NULL;
118 static inline void *find_node_by_prop_value(const void *prev,
119 const char *propname,
120 const char *propval, int proplen)
122 if (dt_ops.find_node_by_prop_value)
123 return dt_ops.find_node_by_prop_value(prev, propname,
129 static inline void *find_node_by_prop_value_str(const void *prev,
130 const char *propname,
133 return find_node_by_prop_value(prev, propname, propval,
134 strlen(propval) + 1);
137 static inline void *find_node_by_devtype(const void *prev,
140 return find_node_by_prop_value_str(prev, "device_type", type);
143 static inline void *malloc(u32 size)
145 return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL;
148 static inline void free(void *ptr)
150 if (platform_ops.free)
151 platform_ops.free(ptr);
154 static inline void exit(void)
156 if (platform_ops.exit)
161 #define BSS_STACK(size) \
162 static char _bss_stack[size]; \
163 void *_platform_stack_top = _bss_stack + sizeof(_bss_stack);
165 #endif /* _PPC_BOOT_OPS_H_ */