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>
diff --git a/drivers/mtd/spi/Makefile b/drivers/mtd/spi/Makefile
index c61b784..87f20bc 100644
--- a/drivers/mtd/spi/Makefile
+++ b/drivers/mtd/spi/Makefile
@@ -15,6 +15,7 @@
#ifndef CONFIG_DM_SPI
obj-$(CONFIG_SPI_FLASH) += sf_probe.o
#endif
+obj-$(CONFIG_SF_DATAFLASH) += sf_dataflash.o
obj-$(CONFIG_CMD_SF) += sf.o
obj-$(CONFIG_SPI_FLASH) += sf_ops.o sf_params.o
obj-$(CONFIG_SPI_FLASH_SANDBOX) += sandbox.o