MicroBlaze AXI QSPI JFFS2 flash driver implementation. More...

#include <assert.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <bspopts.h>
#include <dev/spi/xilinx-axi-spi.h>
#include <linux/spi/spidev.h>
#include <rtems/jffs2.h>
#include <rtems/libio.h>
#include <bsp.h>
#include <bsp/jffs2_qspi.h>

Data Structures
struct	flash_control

Macros
#define	BLOCK_SIZE (64UL * 1024UL)

#define	FLASH_SIZE (32UL * BLOCK_SIZE)

#define	FLASH_PAGE_SIZE 256

#define	FLASH_NUM_CS 2

#define	FLASH_DEVICE_ID 0xbb19 /* Type: 0xbb, Capacity: 0x19 */

#define	BUS_PATH "/dev/spi-0"

#define	FLASH_MOUNT_POINT "/mnt"

#define	READ_WRITE_EXTRA_BYTES 4

#define	WRITE_ENABLE_BYTES 1

#define	SECTOR_ERASE_BYTES 4

#define	COMMAND_QUAD_WRITE 0x32

#define	COMMAND_SECTOR_ERASE 0xD8

#define	COMMAND_QUAD_READ 0x6B

#define	COMMAND_STATUSREG_READ 0x05

#define	COMMAND_WRITE_ENABLE 0x06

#define	FLASH_SR_IS_READY_MASK 0x01

Functions
int	microblaze_jffs2_initialize (const char *mount_dir)
	Mount jffs2 filesystem.

Detailed Description

MicroBlaze AXI QSPI JFFS2 flash driver implementation.

Function Documentation

◆ microblaze_jffs2_initialize()

int microblaze_jffs2_initialize ( const char * mount_dir )

Mount jffs2 filesystem.

Parameters

[in] mount_dir The directory to mount the filesystem at.

Return values

0	Successful operation. Negative number otherwise.

Data Structures

Macros

Functions

Detailed Description

Function Documentation

◆ microblaze_jffs2_initialize()