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Commit 6dfc6d25 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

[MTD] NAND modularize ECC 



First step of modularizing ECC support.
- Move ECC related functionality into a seperate embedded data structure
- Get rid of the hardware dependend constants to simplify new ECC models

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 7aa65bfd

drivers/mtd/nand/ams-delta.c

+1 −1
Original line number Diff line number Diff line
@@ -192,7 +192,7 @@ static int __init ams_delta_init(void) 
	}

	/* 25 us command delay time */

	this->chip_delay = 30;

	this->eccmode = NAND_ECC_SOFT;

	this->ecc.mode = NAND_ECC_SOFT;



	/* Set chip enabled, but  */

	ams_delta_latch2_write(NAND_MASK, AMS_DELTA_LATCH2_NAND_NRE |

drivers/mtd/nand/au1550nd.c

+1 −1
Original line number Diff line number Diff line
@@ -578,7 +578,7 @@ static int __init au1xxx_nand_init(void) 


	/* 30 us command delay time */

	this->chip_delay = 30;

	this->eccmode = NAND_ECC_SOFT;

	this->ecc.mode = NAND_ECC_SOFT;



	this->options = NAND_NO_AUTOINCR;

drivers/mtd/nand/autcpu12.c

+1 −1
Original line number Diff line number Diff line
@@ -163,7 +163,7 @@ static int __init autcpu12_init(void) 
	this->dev_ready = autcpu12_device_ready;

	/* 20 us command delay time */

	this->chip_delay = 20;

	this->eccmode = NAND_ECC_SOFT;

	this->ecc.mode = NAND_ECC_SOFT;



	/* Enable the following for a flash based bad block table */

	/*

drivers/mtd/nand/cs553x_nand.c

+7 −5
Original line number Diff line number Diff line
@@ -242,10 +242,12 @@ static int __init cs553x_init_one(int cs, int mmio, unsigned long adr) 


	this->chip_delay = 0;



	this->eccmode = NAND_ECC_HW3_256;

	this->enable_hwecc  = cs_enable_hwecc;

	this->calculate_ecc = cs_calculate_ecc;

	this->correct_data  = nand_correct_data;

	this->ecc.mode = NAND_ECC_HW;

	this->ecc.size = 256;

	this->ecc.bytes = 3;

	this->ecc.hwctl  = cs_enable_hwecc;

	this->ecc.calculate = cs_calculate_ecc;

	this->ecc.correct  = nand_correct_data;



	/* Enable the following for a flash based bad block table */

	this->options = NAND_USE_FLASH_BBT | NAND_NO_AUTOINCR;

drivers/mtd/nand/diskonchip.c

+6 −4
Original line number Diff line number Diff line
@@ -1674,12 +1674,14 @@ static int __init doc_probe(unsigned long physadr) 
	nand->dev_ready		= doc200x_dev_ready;

	nand->waitfunc		= doc200x_wait;

	nand->block_bad		= doc200x_block_bad;

	nand->enable_hwecc	= doc200x_enable_hwecc;

	nand->calculate_ecc	= doc200x_calculate_ecc;

	nand->correct_data	= doc200x_correct_data;

	nand->ecc.hwctl		= doc200x_enable_hwecc;

	nand->ecc.calculate	= doc200x_calculate_ecc;

	nand->ecc.correct	= doc200x_correct_data;



	nand->autooob		= &doc200x_oobinfo;

	nand->eccmode		= NAND_ECC_HW6_512;

	nand->ecc.mode		= NAND_ECC_HW_SYNDROME;

	nand->ecc.size		= 512;

	nand->ecc.bytes		= 6;

	nand->options		= NAND_USE_FLASH_BBT | NAND_HWECC_SYNDROME;



	doc->physadr		= physadr;