jz4740_nand.c File Reference

#include <linux/ioport.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/gpio.h>
#include <asm/mach-jz4740/jz4740_nand.h>

Go to the source code of this file.

Data Structures
struct	jz_nand

Macros
#define	JZ_REG_NAND_CTRL   0x50
#define	JZ_REG_NAND_ECC_CTRL   0x100
#define	JZ_REG_NAND_DATA   0x104
#define	JZ_REG_NAND_PAR0   0x108
#define	JZ_REG_NAND_PAR1   0x10C
#define	JZ_REG_NAND_PAR2   0x110
#define	JZ_REG_NAND_IRQ_STAT   0x114
#define	JZ_REG_NAND_IRQ_CTRL   0x118
#define	JZ_REG_NAND_ERR(x)   (0x11C + ((x) << 2))
#define	JZ_NAND_ECC_CTRL_PAR_READY   BIT(4)
#define	JZ_NAND_ECC_CTRL_ENCODING   BIT(3)
#define	JZ_NAND_ECC_CTRL_RS   BIT(2)
#define	JZ_NAND_ECC_CTRL_RESET   BIT(1)
#define	JZ_NAND_ECC_CTRL_ENABLE   BIT(0)
#define	JZ_NAND_STATUS_ERR_COUNT   (BIT(31) | BIT(30) | BIT(29))
#define	JZ_NAND_STATUS_PAD_FINISH   BIT(4)
#define	JZ_NAND_STATUS_DEC_FINISH   BIT(3)
#define	JZ_NAND_STATUS_ENC_FINISH   BIT(2)
#define	JZ_NAND_STATUS_UNCOR_ERROR   BIT(1)
#define	JZ_NAND_STATUS_ERROR   BIT(0)
#define	JZ_NAND_CTRL_ENABLE_CHIP(x)   BIT((x) << 1)
#define	JZ_NAND_CTRL_ASSERT_CHIP(x)   BIT(((x) << 1) + 1)
#define	JZ_NAND_CTRL_ASSERT_CHIP_MASK   0xaa
#define	JZ_NAND_MEM_CMD_OFFSET   0x08000
#define	JZ_NAND_MEM_ADDR_OFFSET   0x10000

Functions
	module_platform_driver (jz_nand_driver)
	MODULE_LICENSE ("GPL")
	MODULE_AUTHOR ("Lars-Peter Clausen <[email protected]>")
	MODULE_DESCRIPTION ("NAND controller driver for JZ4740 SoC")
	MODULE_ALIAS ("platform:jz4740-nand")

Macro Definition Documentation

#define JZ_NAND_CTRL_ASSERT_CHIP

(

x

)

BIT(((x) << 1) + 1)

Definition at line 54 of file jz4740_nand.c.

#define JZ_NAND_CTRL_ASSERT_CHIP_MASK   0xaa

Definition at line 55 of file jz4740_nand.c.

#define JZ_NAND_CTRL_ENABLE_CHIP

(

x

)

BIT((x) << 1)

Definition at line 53 of file jz4740_nand.c.

#define JZ_NAND_ECC_CTRL_ENABLE   BIT(0)

Definition at line 44 of file jz4740_nand.c.

#define JZ_NAND_ECC_CTRL_ENCODING   BIT(3)

Definition at line 41 of file jz4740_nand.c.

#define JZ_NAND_ECC_CTRL_PAR_READY   BIT(4)

Definition at line 40 of file jz4740_nand.c.

#define JZ_NAND_ECC_CTRL_RESET   BIT(1)

Definition at line 43 of file jz4740_nand.c.

#define JZ_NAND_ECC_CTRL_RS   BIT(2)

Definition at line 42 of file jz4740_nand.c.

#define JZ_NAND_MEM_ADDR_OFFSET   0x10000

Definition at line 58 of file jz4740_nand.c.

#define JZ_NAND_MEM_CMD_OFFSET   0x08000

Definition at line 57 of file jz4740_nand.c.

#define JZ_NAND_STATUS_DEC_FINISH   BIT(3)

Definition at line 48 of file jz4740_nand.c.

#define JZ_NAND_STATUS_ENC_FINISH   BIT(2)

Definition at line 49 of file jz4740_nand.c.

#define JZ_NAND_STATUS_ERR_COUNT   (BIT(31) | BIT(30) | BIT(29))

Definition at line 46 of file jz4740_nand.c.

#define JZ_NAND_STATUS_ERROR   BIT(0)

Definition at line 51 of file jz4740_nand.c.

#define JZ_NAND_STATUS_PAD_FINISH   BIT(4)

Definition at line 47 of file jz4740_nand.c.

#define JZ_NAND_STATUS_UNCOR_ERROR   BIT(1)

Definition at line 50 of file jz4740_nand.c.

#define JZ_REG_NAND_CTRL   0x50

Definition at line 30 of file jz4740_nand.c.

#define JZ_REG_NAND_DATA   0x104

Definition at line 32 of file jz4740_nand.c.

#define JZ_REG_NAND_ECC_CTRL   0x100

Definition at line 31 of file jz4740_nand.c.

#define JZ_REG_NAND_ERR

(

x

)

(0x11C + ((x) << 2))

Definition at line 38 of file jz4740_nand.c.

#define JZ_REG_NAND_IRQ_CTRL   0x118

Definition at line 37 of file jz4740_nand.c.

#define JZ_REG_NAND_IRQ_STAT   0x114

Definition at line 36 of file jz4740_nand.c.

#define JZ_REG_NAND_PAR0   0x108

Definition at line 33 of file jz4740_nand.c.

#define JZ_REG_NAND_PAR1   0x10C

Definition at line 34 of file jz4740_nand.c.

#define JZ_REG_NAND_PAR2   0x110

Definition at line 35 of file jz4740_nand.c.

Function Documentation

MODULE_ALIAS

(

"platform:jz4740-nand"

)

MODULE_AUTHOR

(

"Lars-Peter Clausen <[email protected]>"

)

MODULE_DESCRIPTION

(

"NAND controller driver for JZ4740 SoC"

)

MODULE_LICENSE

(

"GPL"

)

module_platform_driver

(

jz_nand_driver

)