On Tue, May 06, 2014 at 12:46:18AM +0530, pekon gupta wrote: > From: David Mosberger <dav...@egauge.net> > > As per following Sections in ONFI Spec, GET_FEATURES and SET_FEATURES also > need > byte-addressing on 16-bit devices. > > *Section: Target Initialization" > "The Read ID and Read Parameter Page commands only use the lower 8-bits of the > data bus. The host shall not issue commands that use a word data width on x16 > devices until the host determines the device supports a 16-bit data bus width > in the parameter page." > > *Section: Bus Width Requirements* > "When the host supports a 16-bit bus width, only data is transferred at the > 16-bit width. All address and command line transfers shall use only the lower > 8-bits of the data bus. During command transfers, the host may place any > value > on the upper 8-bits of the data bus. During address transfers, the host shall > set the upper 8-bits of the data bus to 00h." > > So porting following commit from linux kernel > commit e34fcb07a6d57411de6e15a47724fbe92c5caa42 > Author: David Mosberger <dav...@egauge.net> (preserving authorship) > mtd: nand: fix GET/SET_FEATURES address on 16-bit devices > > Signed-off-by: Pekon Gupta <pe...@ti.com>
Applied to u-boot-ti/master, thanks! -- Tom
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