edt_bitload.h File Reference

(git ddc052b, 2023-10-30)

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Data Structures
struct	EdtBitfileHeader
struct	EdtBitfile
struct	_bitfile_list
struct	EdtBoardFpgas

Macros
#define	BFH_EXTRASIZE   128
#define	BITLOAD_FLAGS_OVR   0x2
#define	BITLOAD_FLAGS_CH1   0x8
#define	BITLOAD_FLAGS_MEZZANINE   0x4
#define	_DEPRECATED_BITLOAD_FLAGS_OCM   0x4
#define	_DEPRECATED_BITLOAD_FLAGS_SRXL   0x10

Typedefs
typedef struct EdtBitfile	EdtBitfile
typedef struct _bitfile_list	EdtBitfileList

Functions
void	bf_init (EdtBitfileList *bf)
	Initialize a bitfile list to zero. More...
void	bf_destroy (EdtBitfileList *bf)
	Frees the memory for a list of bitfiles. More...
void	bf_add_entry (EdtBitfileList *bf, EdtBitfileHeader *bfh)
	Adds a bitfile header to a list of bitfiles. More...
void	bf_check_and_add (EdtBitfileList *bf, const char *fname)
	Checks if a bitfile exists and adds it to the bitfile list if it does. More...
int	bf_allocate_max_buffer (EdtBitfileList *bf, EdtBitfile *data)
	Allocates data to the largest bitfile size found in the bf list. More...
EDT_LIB_LOCAL const char *	edt_bitload_basedir (EdtDev edt_p, const char *in, char *out)
	Gets the base directory based on the device type (PDV vs. PCD). More...
int	edt_get_bitfile_list (const char *basedir, const char *devdir, const char *fname, EdtBoardFpgas *fpga_list, int id, int channel, EdtBitfileList *bf, char *fpga_hint)
	Gets all possible bitfiles with name fname and stores them in list bf. If fpga_hint is present, it will be first in the list. More...
int	edt_load_mezzfile (EdtDev edt_p, const char *basedir, const char *bitname, int bitload_flags, int skip_load, int channel)
	Loads a mezzanine bitfile. More...
int	edt_get_bitfile_header (EdtBitfile *bp, EdtBitfileHeader *bfh)
	Extract the FPGA header (Xilinx, OR faked one for Altera, etc.) More...
int	edt_program_mezzanine (EdtDev edt_p, const u_char *buf, u_int size, int channel)
	Program the mezzanine bitfile. Wraps edt_program_mezzanine_direct(). More...
EDT_LIB_LOCAL int	edt_program_flash_direct (EdtDev edt_p, const u_char *buf, int size, int do_sleep)
	Program the interface FPGA. Typically only called by edt_bitload. More...
EDT_LIB_LOCAL int	edt_program_mezzanine_direct (EdtDev edt_p, const u_char *buf, int size, int channel)
	Program the mezzanine bitfile. More...
int	edt_bitload (EdtDev edt_p, const char *basedir, const char *fname, int flags, int skip)
int	edt_bitfile_load_file (EdtBitfile *bfd, const char *name)
	Opens a bitfile and populates the bfd structure. More...
void	edt_bitfile_init (EdtBitfile *bitfile)
	Initialize an EdtBitfile data structure. More...
void	edt_bitfile_destroy (EdtBitfile *bfd)
	Closes the associated file handle, zeros fields, and frees allocated memory for the given EdtBitfile structure. More...
void	ensure_bitfile_name (const char *name, char *bitname)
int	edt_get_x_array_header (u_char *ba, char *header, int *size)
	Get the FPGA header from an array, typically as read out from an FPGA. More...

Detailed Description

Copyright

Copyright (C) 2011 Engineering Design Team, Inc.

Header file for declarations & defines related to loading the Xilinx bitfile.

Macro Definition Documentation

BFH_EXTRASIZE

#define BFH_EXTRASIZE   128

Number of bytes to read in for bitfile preamble.

BITLOAD_FLAGS_OVR

#define BITLOAD_FLAGS_OVR   0x2

Override GS/SS bitfile size constraint

BITLOAD_FLAGS_CH1

#define BITLOAD_FLAGS_CH1   0x8

Program OCM channel 1 if BITLOAD_FLAGS_OCM is set

BITLOAD_FLAGS_MEZZANINE

#define BITLOAD_FLAGS_MEZZANINE   0x4

Changes programming algorithm to program mezzanine boards.

_DEPRECATED_BITLOAD_FLAGS_OCM

#define _DEPRECATED_BITLOAD_FLAGS_OCM   0x4

Deprecated:

Use BITLOAD_FLAGS_MEZZANINE.

_DEPRECATED_BITLOAD_FLAGS_SRXL

#define _DEPRECATED_BITLOAD_FLAGS_SRXL   0x10

Deprecated:

Use BITLOAD_FLAGS_MEZZANINE.

Typedef Documentation

EdtBitfile

typedef struct EdtBitfile EdtBitfile

Structure used to access UI bitfile.

EdtBitfileList

typedef struct _bitfile_list EdtBitfileList

Structure describing a list of bitfiles and their associated headers.

Function Documentation

bf_init()

void bf_init

(

EdtBitfileList *

bf

)

Initialize a bitfile list to zero.

Parameters

bf	Pointer to the bitfile list to initialize.

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bf_destroy()

void bf_destroy

(

EdtBitfileList *

bf

)

Frees the memory for a list of bitfiles.

Parameters

bf	Pointer to the bitfile list to destroy.

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bf_add_entry()

void bf_add_entry	(	EdtBitfileList *	bf,
		EdtBitfileHeader *	bfh
	)

Adds a bitfile header to a list of bitfiles.

Parameters

bf	Pointer to the bitfile list to add to.
bfh	Pointer to the bitfile header to add.

bf_check_and_add()

void bf_check_and_add	(	EdtBitfileList *	bf,
		const char *	fname
	)

Checks if a bitfile exists and adds it to the bitfile list if it does.

Parameters

bf	Pointer to the bitfile list to add to.
fname	Name of the bitfile to check for.

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bf_allocate_max_buffer()

int bf_allocate_max_buffer	(	EdtBitfileList *	bf,
		EdtBitfile *	data
	)

Allocates data to the largest bitfile size found in the bf list.

Deallocate with edt_bitfile_destroy()

Parameters

	bf	Pointer to the bitfile list to read.
[out]	data	Bitfile struct with EdtBitfile.full_buffer set to an allocated array of size EdtBitfile.buffer_allocated bytes.

Returns

0 on success, -1 on failure.

edt_bitload_basedir()

EDT_LIB_LOCAL const char * edt_bitload_basedir	(	EdtDev	edt_p,
		const char *	in,
		char *	out
	)

Gets the base directory based on the device type (PDV vs. PCD).

Parameters

edt_p	The open EDT device handle.
in	The name of the directory. Optional, if set, it will be returned.
out	The resulting directory. Optional, if set, will overwritten with the home directory value and returned.

Returns

The resulting directory.

edt_get_bitfile_list()

int edt_get_bitfile_list	(	const char *	basedir,
		const char *	devdir,
		const char *	fname,
		EdtBoardFpgas *	fpga_list,
		int	id,
		int	channel,
		EdtBitfileList *	bf,
		char *	fpga_hint
	)

Gets all possible bitfiles with name fname and stores them in list bf. If fpga_hint is present, it will be first in the list.

Parameters

basedir	The base directory to look for the bitfile in.
devdir	The device directory to look for the bitfile in.
fname	The name of the bitfile.
fpga_list	The list of available FPGAs.
id	Either a board id or a mezzanine id, which is used to look up FPGA type(s) in the fpga_list.
channel	Index into the mezz_chips array.
bf	The list of bitfiles to add to.
fpga_hint	The name of the fpga to check for.

Returns

0 on success, -1 on failure.

Assumes bf has been initialized

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edt_load_mezzfile()

int edt_load_mezzfile	(	EdtDev	edt_p,
		const char *	basedir,
		const char *	bitname,
		int	bitload_flags,
		int	skip_load,
		int	channel
	)

Loads a mezzanine bitfile.

Parameters

edt_p	The open EDT device handle.
basedir	The base directory to look for the bitfile in.
bitname	The name of the bitfile.
bitload_flags	Flags to use when loading the bitfile.
skip_load	Currently not used.
channel	Index into the mezz_chips array.

Returns

0 on success, -1 on failure.

edt_get_bitfile_header()

int edt_get_bitfile_header	(	EdtBitfile *	bp,
		EdtBitfileHeader *	bfh
	)

Extract the FPGA header (Xilinx, OR faked one for Altera, etc.)

Parameters

bp	Struct that will be populated with the FPGA file information.
bfh	Struct that will be populated with the FPGA file header information.

Returns

-1 on error, otherwise the address of the beginning of the FPGA data (after the header).

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edt_program_mezzanine()

int edt_program_mezzanine	(	EdtDev	edt_p,
		const u_char *	buf,
		u_int	size,
		int	channel
	)

Program the mezzanine bitfile. Wraps edt_program_mezzanine_direct().

Parameters

edt_p	The open EDT device handle.
buf	Pointer to the bitfile data.
size	Size of the bitfile data.
channel	Which channel the data is directed to.

Returns

0 on success, -1 on failure.

edt_program_flash_direct()

EDT_LIB_LOCAL int edt_program_flash_direct	(	EdtDev	edt_p,
		const u_char *	buf,
		int	size,
		int	do_sleep
	)

Program the interface FPGA. Typically only called by edt_bitload.

Parameters

edt_p	The open EDT device handle.
buf	Buffer containing the data to be loaded.
size	Number of bytes to load from buffer.
do_sleep	Enable (1) or disable (0) delays to slow flashing down in case of host speed issues.

Returns

0 on success, nonzero on failure

edt_program_mezzanine_direct()

EDT_LIB_LOCAL int edt_program_mezzanine_direct	(	EdtDev	edt_p,
		const u_char *	buf,
		int	size,
		int	channel
	)

Program the mezzanine bitfile.

Parameters

edt_p	Pointer to the device structure.
buf	Pointer to the bitfile data.
size	Size of the bitfile data.
channel	Which channel the data is directed to.

Returns

0 on success, -1 on failure.

edt_bitfile_load_file()

int edt_bitfile_load_file	(	EdtBitfile *	bfd,
		const char *	name
	)

Opens a bitfile and populates the bfd structure.

Parameters

bfd	The structure to be populated.
name	The path of the file to open.

Returns

0 on success, -1 on failure.

edt_bitfile_init()

void edt_bitfile_init

(

EdtBitfile *

bitfile

)

Initialize an EdtBitfile data structure.

Parameters

bitfile

The structure to be initialized.

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edt_bitfile_destroy()

void edt_bitfile_destroy

(

EdtBitfile *

bfd

)

Closes the associated file handle, zeros fields, and frees allocated memory for the given EdtBitfile structure.

Parameters

bfd	The bitfile to be destroyed.

ensure_bitfile_name()

void ensure_bitfile_name	(	const char *	name,
		char *	bitname
	)

Normalizes a bitfile name to ensure it is valid.

Parameters

name	Name of bitfile before normalization.
bitname	The normalized bitfile name.

edt_get_x_array_header()

int edt_get_x_array_header	(	u_char *	ba,
		char *	header,
		int *	size
	)

Get the FPGA header from an array, typically as read out from an FPGA.

Parameters

ba	Array containing data bytes presumably read from the FPGA.
header	String that will be populated with the header info in a printable format.
size	Size of the formatted header string.

Returns

0 on success, -1 on failure.

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