Mark A. Greer | b2c5f61 | 2006-09-19 14:05:08 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Global definition of all the bootwrapper operations. |
| 3 | * |
| 4 | * Author: Mark A. Greer <mgreer@mvista.com> |
| 5 | * |
| 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 |
| 9 | * or implied. |
| 10 | */ |
| 11 | #ifndef _PPC_BOOT_OPS_H_ |
| 12 | #define _PPC_BOOT_OPS_H_ |
| 13 | |
| 14 | #include "types.h" |
| 15 | |
| 16 | #define COMMAND_LINE_SIZE 512 |
| 17 | #define MAX_PATH_LEN 256 |
| 18 | #define MAX_PROP_LEN 256 /* What should this be? */ |
| 19 | |
| 20 | /* Platform specific operations */ |
| 21 | struct platform_ops { |
| 22 | void (*fixups)(void); |
| 23 | void (*image_hdr)(const void *); |
| 24 | void * (*malloc)(u32 size); |
Mark A. Greer | c888554 | 2006-10-16 13:49:27 -0700 | [diff] [blame^] | 25 | void (*free)(void *ptr); |
| 26 | void * (*realloc)(void *ptr, unsigned long size); |
Mark A. Greer | b2c5f61 | 2006-09-19 14:05:08 +1000 | [diff] [blame] | 27 | void (*exit)(void); |
| 28 | }; |
| 29 | extern struct platform_ops platform_ops; |
| 30 | |
| 31 | /* Device Tree operations */ |
| 32 | struct dt_ops { |
| 33 | void * (*finddevice)(const char *name); |
Mark A. Greer | c888554 | 2006-10-16 13:49:27 -0700 | [diff] [blame^] | 34 | int (*getprop)(const void *phandle, const char *name, void *buf, |
Mark A. Greer | b2c5f61 | 2006-09-19 14:05:08 +1000 | [diff] [blame] | 35 | const int buflen); |
Mark A. Greer | c888554 | 2006-10-16 13:49:27 -0700 | [diff] [blame^] | 36 | int (*setprop)(const void *phandle, const char *name, |
Mark A. Greer | b2c5f61 | 2006-09-19 14:05:08 +1000 | [diff] [blame] | 37 | const void *buf, const int buflen); |
Mark A. Greer | c888554 | 2006-10-16 13:49:27 -0700 | [diff] [blame^] | 38 | void (*ft_pack)(void); |
Mark A. Greer | b2c5f61 | 2006-09-19 14:05:08 +1000 | [diff] [blame] | 39 | unsigned long (*ft_addr)(void); |
| 40 | }; |
| 41 | extern struct dt_ops dt_ops; |
| 42 | |
| 43 | /* Console operations */ |
| 44 | struct console_ops { |
| 45 | int (*open)(void); |
| 46 | void (*write)(char *buf, int len); |
| 47 | void (*edit_cmdline)(char *buf, int len); |
| 48 | void (*close)(void); |
| 49 | void *data; |
| 50 | }; |
| 51 | extern struct console_ops console_ops; |
| 52 | |
| 53 | /* Serial console operations */ |
| 54 | struct serial_console_data { |
| 55 | int (*open)(void); |
| 56 | void (*putc)(unsigned char c); |
| 57 | unsigned char (*getc)(void); |
| 58 | u8 (*tstc)(void); |
| 59 | void (*close)(void); |
| 60 | }; |
| 61 | |
Mark A. Greer | c888554 | 2006-10-16 13:49:27 -0700 | [diff] [blame^] | 62 | int platform_init(void *promptr, char *dt_blob_start, char *dt_blob_end); |
| 63 | int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device); |
| 64 | int serial_console_init(void); |
| 65 | int ns16550_console_init(void *devp, struct serial_console_data *scdp); |
| 66 | void *simple_alloc_init(char *base, u32 heap_size, u32 granularity, |
| 67 | u32 max_allocs); |
| 68 | |
Mark A. Greer | b2c5f61 | 2006-09-19 14:05:08 +1000 | [diff] [blame] | 69 | |
| 70 | static inline void *finddevice(const char *name) |
| 71 | { |
| 72 | return (dt_ops.finddevice) ? dt_ops.finddevice(name) : NULL; |
| 73 | } |
| 74 | |
| 75 | static inline int getprop(void *devp, const char *name, void *buf, int buflen) |
| 76 | { |
| 77 | return (dt_ops.getprop) ? dt_ops.getprop(devp, name, buf, buflen) : -1; |
| 78 | } |
| 79 | |
| 80 | static inline int setprop(void *devp, const char *name, void *buf, int buflen) |
| 81 | { |
| 82 | return (dt_ops.setprop) ? dt_ops.setprop(devp, name, buf, buflen) : -1; |
| 83 | } |
| 84 | |
| 85 | static inline void *malloc(u32 size) |
| 86 | { |
| 87 | return (platform_ops.malloc) ? platform_ops.malloc(size) : NULL; |
| 88 | } |
| 89 | |
Mark A. Greer | c888554 | 2006-10-16 13:49:27 -0700 | [diff] [blame^] | 90 | static inline void free(void *ptr) |
Mark A. Greer | b2c5f61 | 2006-09-19 14:05:08 +1000 | [diff] [blame] | 91 | { |
| 92 | if (platform_ops.free) |
Mark A. Greer | c888554 | 2006-10-16 13:49:27 -0700 | [diff] [blame^] | 93 | platform_ops.free(ptr); |
Mark A. Greer | b2c5f61 | 2006-09-19 14:05:08 +1000 | [diff] [blame] | 94 | } |
| 95 | |
| 96 | static inline void exit(void) |
| 97 | { |
| 98 | if (platform_ops.exit) |
| 99 | platform_ops.exit(); |
| 100 | for(;;); |
| 101 | } |
| 102 | |
| 103 | #endif /* _PPC_BOOT_OPS_H_ */ |