drivers/mtd/nand/raw/gpmi-nand/gpmi-regs.h

Source file repositories/reference/linux-study-clean/drivers/mtd/nand/raw/gpmi-nand/gpmi-regs.h

File Facts

System
Linux kernel
Corpus path
drivers/mtd/nand/raw/gpmi-nand/gpmi-regs.h
Extension
.h
Size
6825 bytes
Lines
181
Domain
Driver Families
Bucket
drivers/mtd
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __GPMI_NAND_GPMI_REGS_H
#define __GPMI_NAND_GPMI_REGS_H

#define HW_GPMI_CTRL0					0x00000000
#define HW_GPMI_CTRL0_SET				0x00000004
#define HW_GPMI_CTRL0_CLR				0x00000008
#define HW_GPMI_CTRL0_TOG				0x0000000c

#define BP_GPMI_CTRL0_COMMAND_MODE			24
#define BM_GPMI_CTRL0_COMMAND_MODE	(3 << BP_GPMI_CTRL0_COMMAND_MODE)
#define BF_GPMI_CTRL0_COMMAND_MODE(v)	\
	(((v) << BP_GPMI_CTRL0_COMMAND_MODE) & BM_GPMI_CTRL0_COMMAND_MODE)
#define BV_GPMI_CTRL0_COMMAND_MODE__WRITE		0x0
#define BV_GPMI_CTRL0_COMMAND_MODE__READ		0x1
#define BV_GPMI_CTRL0_COMMAND_MODE__READ_AND_COMPARE	0x2
#define BV_GPMI_CTRL0_COMMAND_MODE__WAIT_FOR_READY	0x3

#define BM_GPMI_CTRL0_WORD_LENGTH			(1 << 23)
#define BV_GPMI_CTRL0_WORD_LENGTH__16_BIT		0x0
#define BV_GPMI_CTRL0_WORD_LENGTH__8_BIT		0x1

/*
 *  Difference in LOCK_CS between imx23 and imx28 :
 *  This bit may impact the _POWER_ consumption. So some chips
 *  do not set it.
 */
#define MX23_BP_GPMI_CTRL0_LOCK_CS			22
#define MX28_BP_GPMI_CTRL0_LOCK_CS			27
#define LOCK_CS_ENABLE					0x1
#define BF_GPMI_CTRL0_LOCK_CS(v, x)			0x0

/* Difference in CS between imx23 and imx28 */
#define BP_GPMI_CTRL0_CS				20
#define MX23_BM_GPMI_CTRL0_CS		(3 << BP_GPMI_CTRL0_CS)
#define MX28_BM_GPMI_CTRL0_CS		(7 << BP_GPMI_CTRL0_CS)
#define BF_GPMI_CTRL0_CS(v, x)		(((v) << BP_GPMI_CTRL0_CS) & \
						(GPMI_IS_MX23((x)) \
						? MX23_BM_GPMI_CTRL0_CS	\
						: MX28_BM_GPMI_CTRL0_CS))

#define BP_GPMI_CTRL0_ADDRESS				17
#define BM_GPMI_CTRL0_ADDRESS		(3 << BP_GPMI_CTRL0_ADDRESS)
#define BF_GPMI_CTRL0_ADDRESS(v)	\
		(((v) << BP_GPMI_CTRL0_ADDRESS) & BM_GPMI_CTRL0_ADDRESS)
#define BV_GPMI_CTRL0_ADDRESS__NAND_DATA		0x0
#define BV_GPMI_CTRL0_ADDRESS__NAND_CLE			0x1
#define BV_GPMI_CTRL0_ADDRESS__NAND_ALE			0x2

#define BM_GPMI_CTRL0_ADDRESS_INCREMENT			(1 << 16)
#define BV_GPMI_CTRL0_ADDRESS_INCREMENT__DISABLED	0x0
#define BV_GPMI_CTRL0_ADDRESS_INCREMENT__ENABLED	0x1

#define BP_GPMI_CTRL0_XFER_COUNT			0
#define BM_GPMI_CTRL0_XFER_COUNT	(0xffff << BP_GPMI_CTRL0_XFER_COUNT)
#define BF_GPMI_CTRL0_XFER_COUNT(v)	\
		(((v) << BP_GPMI_CTRL0_XFER_COUNT) & BM_GPMI_CTRL0_XFER_COUNT)

#define HW_GPMI_COMPARE					0x00000010

#define HW_GPMI_ECCCTRL					0x00000020
#define HW_GPMI_ECCCTRL_SET				0x00000024
#define HW_GPMI_ECCCTRL_CLR				0x00000028
#define HW_GPMI_ECCCTRL_TOG				0x0000002c

#define BP_GPMI_ECCCTRL_ECC_CMD				13
#define BM_GPMI_ECCCTRL_ECC_CMD		(3 << BP_GPMI_ECCCTRL_ECC_CMD)
#define BF_GPMI_ECCCTRL_ECC_CMD(v)	\
		(((v) << BP_GPMI_ECCCTRL_ECC_CMD) & BM_GPMI_ECCCTRL_ECC_CMD)
#define BV_GPMI_ECCCTRL_ECC_CMD__BCH_DECODE		0x0
#define BV_GPMI_ECCCTRL_ECC_CMD__BCH_ENCODE		0x1

#define BM_GPMI_ECCCTRL_ENABLE_ECC			(1 << 12)
#define BV_GPMI_ECCCTRL_ENABLE_ECC__ENABLE		0x1
#define BV_GPMI_ECCCTRL_ENABLE_ECC__DISABLE		0x0

#define BP_GPMI_ECCCTRL_BUFFER_MASK			0
#define BM_GPMI_ECCCTRL_BUFFER_MASK	(0x1ff << BP_GPMI_ECCCTRL_BUFFER_MASK)
#define BF_GPMI_ECCCTRL_BUFFER_MASK(v)	\
	(((v) << BP_GPMI_ECCCTRL_BUFFER_MASK) & BM_GPMI_ECCCTRL_BUFFER_MASK)
#define BV_GPMI_ECCCTRL_BUFFER_MASK__BCH_AUXONLY	0x100
#define BV_GPMI_ECCCTRL_BUFFER_MASK__BCH_PAGE		0x1FF

#define HW_GPMI_ECCCOUNT				0x00000030
#define HW_GPMI_PAYLOAD					0x00000040
#define HW_GPMI_AUXILIARY				0x00000050
#define HW_GPMI_CTRL1					0x00000060
#define HW_GPMI_CTRL1_SET				0x00000064
#define HW_GPMI_CTRL1_CLR				0x00000068
#define HW_GPMI_CTRL1_TOG				0x0000006c

Annotation

Implementation Notes