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Commit d3490dfd authored by Haojian Zhuang's avatar Haojian Zhuang Committed by Eric Miao
Browse files

pxa3xx_nand: add new nand chip support 



Support samsung 2GbX8 and 32GbX8 nand flash.
Support micron 4GbX8 and 4GbX16 nand flash.

Signed-off-by: default avatarHaojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: default avatarEric Miao <eric.y.miao@gmail.com>
parent 346e1259

drivers/mtd/nand/pxa3xx_nand.c

+48 −0
Original line number Diff line number Diff line
@@ -226,6 +226,28 @@ static struct pxa3xx_nand_flash samsung512MbX16 = { 
	.chip_id	= 0x46ec,

};



static struct pxa3xx_nand_flash samsung2GbX8 = {

	.timing		= &samsung512MbX16_timing,

	.cmdset		= &smallpage_cmdset,

	.page_per_block	= 64,

	.page_size	= 2048,

	.flash_width	= 8,

	.dfc_width	= 8,

	.num_blocks	= 2048,

	.chip_id	= 0xdaec,

};



static struct pxa3xx_nand_flash samsung32GbX8 = {

	.timing		= &samsung512MbX16_timing,

	.cmdset		= &smallpage_cmdset,

	.page_per_block	= 128,

	.page_size	= 4096,

	.flash_width	= 8,

	.dfc_width	= 8,

	.num_blocks	= 8192,

	.chip_id	= 0xd7ec,

};



static struct pxa3xx_nand_timing micron_timing = {

	.tCH	= 10,

	.tCS	= 25,
@@ -260,6 +282,28 @@ static struct pxa3xx_nand_flash micron1GbX16 = { 
	.chip_id	= 0xb12c,

};



static struct pxa3xx_nand_flash micron4GbX8 = {

	.timing		= &micron_timing,

	.cmdset		= &largepage_cmdset,

	.page_per_block	= 64,

	.page_size	= 2048,

	.flash_width	= 8,

	.dfc_width	= 8,

	.num_blocks	= 4096,

	.chip_id	= 0xdc2c,

};



static struct pxa3xx_nand_flash micron4GbX16 = {

	.timing		= &micron_timing,

	.cmdset		= &largepage_cmdset,

	.page_per_block	= 64,

	.page_size	= 2048,

	.flash_width	= 16,

	.dfc_width	= 16,

	.num_blocks	= 4096,

	.chip_id	= 0xcc2c,

};



static struct pxa3xx_nand_timing stm2GbX16_timing = {

	.tCH = 10,

	.tCS = 35,
@@ -285,8 +329,12 @@ static struct pxa3xx_nand_flash stm2GbX16 = { 


static struct pxa3xx_nand_flash *builtin_flash_types[] = {

	&samsung512MbX16,

	&samsung2GbX8,

	&samsung32GbX8,

	&micron1GbX8,

	&micron1GbX16,

	&micron4GbX8,

	&micron4GbX16,

	&stm2GbX16,

};

#endif /* CONFIG_MTD_NAND_PXA3xx_BUILTIN */