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500856eb RJ |
1 | #ifndef _API_PUBLIC_H_ |
2 | #define _API_PUBLIC_H_ | |
3 | ||
4 | #define API_EINVAL 1 /* invalid argument(s) */ | |
5 | #define API_ENODEV 2 /* no device */ | |
6 | #define API_ENOMEM 3 /* no memory */ | |
7 | #define API_EBUSY 4 /* busy, occupied etc. */ | |
8 | #define API_EIO 5 /* I/O error */ | |
9 | ||
10 | typedef int (*scp_t)(int, int *, ...); | |
11 | ||
12 | #define API_SIG_VERSION 1 | |
13 | #define API_SIG_MAGIC "UBootAPI" | |
14 | #define API_SIG_MAGLEN 8 | |
15 | ||
16 | struct api_signature { | |
17 | char magic[API_SIG_MAGLEN]; /* magic string */ | |
18 | uint16_t version; /* API version */ | |
19 | uint32_t checksum; /* checksum of this sig struct */ | |
20 | scp_t syscall; /* entry point to the API */ | |
21 | }; | |
22 | ||
23 | enum { | |
24 | API_RSVD = 0, | |
25 | API_GETC, | |
26 | API_PUTC, | |
27 | API_TSTC, | |
28 | API_PUTS, | |
29 | API_RESET, | |
30 | API_GET_SYS_INFO, | |
31 | API_UDELAY, | |
32 | API_GET_TIMER, | |
33 | API_DEV_ENUM, | |
34 | API_DEV_OPEN, | |
35 | API_DEV_CLOSE, | |
36 | API_DEV_READ, | |
37 | API_DEV_WRITE, | |
38 | API_ENV_ENUM, | |
39 | API_ENV_GET, | |
40 | API_ENV_SET, | |
41 | API_MAXCALL | |
42 | }; | |
43 | ||
44 | #define MR_ATTR_FLASH 0x0001 | |
45 | #define MR_ATTR_DRAM 0x0002 | |
46 | #define MR_ATTR_SRAM 0x0003 | |
47 | ||
48 | struct mem_region { | |
49 | unsigned long start; | |
50 | unsigned long size; | |
51 | int flags; | |
52 | }; | |
53 | ||
54 | struct sys_info { | |
55 | unsigned long clk_bus; | |
56 | unsigned long clk_cpu; | |
57 | unsigned long bar; | |
58 | struct mem_region *mr; | |
59 | int mr_no; /* number of memory regions */ | |
60 | }; | |
61 | ||
62 | #undef CFG_64BIT_LBA | |
63 | #ifdef CFG_64BIT_LBA | |
64 | typedef u_int64_t lbasize_t; | |
65 | #else | |
66 | typedef unsigned long lbasize_t; | |
67 | #endif | |
68 | typedef unsigned long lbastart_t; | |
69 | ||
70 | #define DEV_TYP_NONE 0x0000 | |
71 | #define DEV_TYP_NET 0x0001 | |
72 | ||
73 | #define DEV_TYP_STOR 0x0002 | |
74 | #define DT_STOR_IDE 0x0010 | |
75 | #define DT_STOR_SCSI 0x0020 | |
76 | #define DT_STOR_USB 0x0040 | |
77 | #define DT_STOR_MMC 0x0080 | |
78 | ||
79 | #define DEV_STA_CLOSED 0x0000 /* invalid, closed */ | |
80 | #define DEV_STA_OPEN 0x0001 /* open i.e. active */ | |
81 | ||
82 | struct device_info { | |
83 | int type; | |
84 | void *cookie; | |
85 | ||
86 | union { | |
87 | struct { | |
88 | lbasize_t block_count; /* no of blocks */ | |
89 | unsigned long block_size; /* size of one block */ | |
90 | } storage; | |
91 | ||
92 | struct { | |
93 | unsigned char hwaddr[6]; | |
94 | } net; | |
95 | } info; | |
96 | #define di_stor info.storage | |
97 | #define di_net info.net | |
98 | ||
99 | int state; | |
100 | }; | |
101 | ||
102 | #endif /* _API_PUBLIC_H_ */ |