[people/ms/u-boot.git] / include / api_public.h

#ifndef _API_PUBLIC_H_
#define _API_PUBLIC_H_

#define API_EINVAL		1	/* invalid argument(s)	*/
#define API_ENODEV		2	/* no device		*/
#define API_ENOMEM		3	/* no memory		*/
#define API_EBUSY		4	/* busy, occupied etc.	*/
#define API_EIO			5	/* I/O error		*/

typedef	int (*scp_t)(int, int *, ...);

#define API_SIG_VERSION	1
#define API_SIG_MAGIC	"UBootAPI"
#define API_SIG_MAGLEN	8

struct api_signature {
	char		magic[API_SIG_MAGLEN];	/* magic string */
	uint16_t	version;		/* API version */
	uint32_t	checksum;		/* checksum of this sig struct */
	scp_t		syscall;		/* entry point to the API */
};

enum {
	API_RSVD = 0,
	API_GETC,
	API_PUTC,
	API_TSTC,
	API_PUTS,
	API_RESET,
	API_GET_SYS_INFO,
	API_UDELAY,
	API_GET_TIMER,
	API_DEV_ENUM,
	API_DEV_OPEN,
	API_DEV_CLOSE,
	API_DEV_READ,
	API_DEV_WRITE,
	API_ENV_ENUM,
	API_ENV_GET,
	API_ENV_SET,
	API_MAXCALL
};

#define MR_ATTR_FLASH	0x0001
#define MR_ATTR_DRAM	0x0002
#define MR_ATTR_SRAM	0x0003

struct mem_region {
	unsigned long	start;
	unsigned long	size;
	int		flags;
};

struct sys_info {
	unsigned long		clk_bus;
	unsigned long		clk_cpu;
	unsigned long		bar;
	struct mem_region	*mr;
	int			mr_no;	/* number of memory regions */
};

#undef CFG_64BIT_LBA
#ifdef CFG_64BIT_LBA
typedef	u_int64_t lbasize_t;
#else
typedef unsigned long lbasize_t;
#endif
typedef unsigned long lbastart_t;

#define DEV_TYP_NONE	0x0000
#define DEV_TYP_NET	0x0001

#define DEV_TYP_STOR	0x0002
#define DT_STOR_IDE	0x0010
#define DT_STOR_SCSI	0x0020
#define DT_STOR_USB	0x0040
#define DT_STOR_MMC	0x0080

#define DEV_STA_CLOSED	0x0000		/* invalid, closed */
#define DEV_STA_OPEN	0x0001		/* open i.e. active */

struct device_info {
	int	type;
	void	*cookie;

	union {
		struct {
			lbasize_t	block_count;	/* no of blocks */
			unsigned long	block_size;	/* size of one block */
		} storage;

		struct {
			unsigned char	hwaddr[6];
		} net;
	} info;
#define di_stor info.storage
#define di_net info.net

	int	state;
};

#endif /* _API_PUBLIC_H_ */
Commit	Line	Data
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_ */