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authorHaikun Wang <Haikun.Wang@freescale.com>2015-06-26 19:30:27 +0800
committerJagan Teki <jteki@openedev.com>2015-06-30 00:40:10 +0530
commit79b4c08fc42cd7f6b51183b5338f337116c6fdf3 (patch)
treec8dbdeeb1dfce1a2ed8bc614f77f957b8cacc7e3 /include/cros_ec.h
parent7853d76b0bdab9b1a4da0bba8da6d12b5b8a303f (diff)
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dm: sf: Add Atmel DataFlash spi flash driver
Atmel DataFlash chips have commands different from common spi flash commands. Atmel DataFlash also have special page-size. This driver add support for accessing Atmel DataFlash. It is based on the Driver Model. Example: => sf probe 1:0 SPI DataFlash: Detected AT45DB021B with page size 264 Bytes, erase size 264 Bytes, total 264 KiB, revision d => sf erase 0 42000 SF: 270336 bytes @ 0x0 Erased: OK => mw.l 82000000 45444342 20000 => sf write 82000000 0 42000 SF: 270336 bytes @ 0x0 Written: OK => sf read 83000000 0 42000 SF: 270336 bytes @ 0x0 Read: OK => cmp.b 82000000 83000000 42000 Total of 270336 byte(s) were the same Signed-off-by: Haikun Wang <haikun.wang@freescale.com> Tested-by: Haikun Wang <haikun.wang@freescale.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Chakra Divi <cdivi@openedev.com> Reviewed-by: Jagan Teki <jteki@openedev.com>
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