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fpga: Added support to load bit stream from SD/MMC

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Added support to load a bitstream image in chunks by reading it in
chunks from SD/MMC.
Command format:
loadfs [dev] [address] [image size] [blocksize] <interface>
       [<dev[:part]>] <filename>
Example: fpga loadfs 0 1000000 3dbafc 4000 mmc 0 fpga.bin

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Siva Durga Prasad Paladugu
2014-03-14 16:35:37 +05:30
committed by Michal Simek
parent 26ea9ce5b8
commit 1a897668ac
7 changed files with 182 additions and 0 deletions
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1
include/configs/zynq-common.h
View File

@@ -194,6 +194,7 @@
#define CONFIG_CMD_FPGA_LOADMK
#define CONFIG_CMD_FPGA_LOADP
#define CONFIG_CMD_FPGA_LOADBP
#define CONFIG_CMD_FPGA_LOADFS
/* Open Firmware flat tree */
#define CONFIG_OF_LIBFDT

9
include/fpga.h
View File

@@ -35,6 +35,13 @@ typedef struct { /* typedef fpga_desc */
void *devdesc; /* real device descriptor */
} fpga_desc; /* end, typedef fpga_desc */
typedef struct { /* typedef fpga_desc */
unsigned int blocksize;
char *interface;
char *dev_part;
char *filename;
int fstype;
} fpga_fs_info;
typedef enum {
BIT_FULL = 0,
@@ -47,6 +54,8 @@ extern int fpga_add(fpga_type devtype, void *desc);
extern int fpga_count(void);
extern int fpga_load(int devnum, const void *buf, size_t bsize,
bitstream_type bstype);
extern int fpga_fsload(int devnum, const void *buf, size_t size,
fpga_fs_info *fpga_fsinfo);
extern int fpga_loadbitstream(int devnum, char *fpgadata, size_t size,
bitstream_type bstype);
extern int fpga_dump(int devnum, const void *buf, size_t bsize);

3
include/xilinx.h
View File

@@ -46,6 +46,7 @@ typedef struct { /* typedef xilinx_desc */
struct xilinx_fpga_op {
int (*load)(xilinx_desc *, const void *, size_t, bitstream_type);
int (*loadfs)(xilinx_desc *, const void *, size_t, fpga_fs_info *);
int (*dump)(xilinx_desc *, const void *, size_t);
int (*info)(xilinx_desc *);
};
@@ -56,6 +57,8 @@ int xilinx_load(xilinx_desc *desc, const void *image, size_t size,
bitstream_type bstype);
int xilinx_dump(xilinx_desc *desc, const void *buf, size_t bsize);
int xilinx_info(xilinx_desc *desc);
int xilinx_loadfs(xilinx_desc *desc, const void *buf, size_t bsize,
fpga_fs_info *fpga_fsinfo);
/* Board specific implementation specific function types
*********************************************************************/