[PATCH 0/6] mtd: spi-nor: generic flash driver

[Takahiro Kuwano]

Hi Tudor and Michael,

On 7/26/2022 5:06 PM, Tudor.Ambarus at microchip.com wrote:
> Hi, Takahiro,
> 
> Would you please review this patch set?
> 
I tested a Flash device that is not yet in the database.
https://www.infineon.com/dgdl/Infineon-S25FS256T_256Mb_SEMPER_Nano_Flash_Quad_SPI_1.8V-DataSheet-v01_00-EN.pdf?fileId=8ac78c8c80027ecd0180740c5a46707a&da=t

And it works fine.


zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/partname
spi-nor-generic
zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id
342b190f0890
zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer
spansion
zynq> xxd -p /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
53464450080101ff00000114000100ff84000102500100ffffffffffffff
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
ffffffffffffffffffffffffffffffffe7ffe2ffffffff0f48eb086bffff
ffffeeffffffffff00ffffff00ff11d810d800ff00ff321cfeff71e9ffe1
ec031c607a757a75f766805c00d65dfff938c0a100000000000000000000
0000ffffffff710600fedcdcffff
zynq> md5sum /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
13ecce2f195c4c71648e90d4a7e4a0df  /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
zynq> test_qspi.sh
6+0 records in
6+0 records out
6291456 bytes (6.0MB) copied, 0.231887 seconds, 25.9MB/s
Copied 6291456 bytes from qspi_test to address 0x00000000 in flash
Erased 6291456 bytes from address 0x00000000 in flash
Copied 6291456 bytes from address 0x00000000 in flash to qspi_read
0000000 ffff ffff ffff ffff ffff ffff ffff ffff
*
0600000
Copied 6291456 bytes from qspi_test to address 0x00000000 in flash
Copied 6291456 bytes from address 0x00000000 in flash to qspi_read
20b1c32188a5e337ef7575ffb5e4fa424f6bf5a9  qspi_test
20b1c32188a5e337ef7575ffb5e4fa424f6bf5a9  qspi_read


Thanks,
Takahiro