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Signed-off-by: Haibo Chen Reviewed-by: Tudor Ambarus --- 1) This mt35xu512aba is populated on the imx943-evk board, was tested at 200MHz using nxp,imx94-xspi SPI controller. 2) root@imx943evk:~# cat /sys/bus/spi/devices/spi8.0/spi-nor/jedec_id 2c5b1a root@imx943evk:~# cat /sys/bus/spi/devices/spi8.0/spi-nor/manufacturer micron root@imx943evk:~# hexdump -Cv /sys/bus/spi/devices/spi8.0/spi-nor/sfdp 00000000 53 46 44 50 0a 01 03 ff 00 08 01 17 30 00 00 ff |SFDP.......= .0...| 00000010 84 00 01 02 90 00 00 ff 05 01 01 06 a0 00 00 ff |...........= .....| 00000020 0a 00 01 08 b0 00 00 ff ff ff ff ff ff ff ff ff |...........= .....| 00000030 e5 20 8a ff ff ff ff 1f 00 00 00 00 00 00 00 00 |. .........= .....| 00000040 ee ff ff ff ff ff 00 00 ff ff 00 00 0c 20 11 d8 |...........= .. ..| 00000050 0f 52 00 00 39 61 99 00 87 8e 03 d3 ac a1 27 3d |.R..9a.....= ...'=3D| 00000060 7a 75 7a 75 fb bd d5 5c 00 00 70 ff 81 50 f8 a1 |zuzu...\..p= ..P..| 00000070 2f cb 27 8b 00 00 04 01 00 06 01 00 ff ff ff 8e |/.'........= .....| 00000080 00 00 00 00 00 00 00 00 00 00 00 00 ff ff ff ff |...........= .....| 00000090 43 0e ff ff 21 dc 5c ff ff ff ff ff ff ff ff ff |C...!.\....= .....| 000000a0 00 0b 80 9e b1 81 b5 85 00 f0 ff 9f 00 0a 00 00 |...........= .....| 000000b0 00 0a 1a 88 10 00 00 00 ff ff ff ff ff ff ff ff |...........= .....| 000000c0 00 00 06 01 00 00 00 00 14 01 81 03 00 00 00 00 |...........= .....| 000000d0 root@imx943evk:~# sha256sum /sys/bus/spi/devices/spi8.0/spi-nor/sfdp 809cbdfc57ae56771e017ff7bfdae7122afcbcbb238f2502420cfe3b2fe20d11 /sys/b= us/spi/devices/spi8.0/spi-nor/sfdp 3) root@imx943evk:~# cat /sys/kernel/debug/spi-nor/spi8.0/capabilities Supported read modes by the flash 1S-1S-1S opcode 0x13 mode cycles 0 dummy cycles 0 1S-1S-8S opcode 0x7c mode cycles 1 dummy cycles 7 1S-8S-8S opcode 0xcc mode cycles 1 dummy cycles 15 8D-8D-8D opcode 0xfd mode cycles 0 dummy cycles 20 Supported page program modes by the flash 1S-1S-1S opcode 0x12 8D-8D-8D opcode 0x12 root@imx943evk:~# cat /sys/kernel/debug/spi-nor/spi8.0/params name (null) id 2c 5b 1a 10 41 00 size 64.0 MiB write size 1 page size 256 address nbytes 4 flags 4B_OPCODES | HAS_4BAIT | HAS_16BIT_SR | IO_MODE_EN_VOLAT= ILE | SOFT_RESET opcodes read 0xfd dummy cycles 20 erase 0xdc program 0x12 8D extension repeat protocols read 8D-8D-8D write 8D-8D-8D register 8D-8D-8D erase commands 21 (4.00 KiB) [1] 5c (32.0 KiB) [2] dc (128 KiB) [3] c7 (64.0 MiB) sector map region (in hex) | erase mask | overlaid ------------------+------------+---------- 00000000-03ffffff | [ 3] | no 4) root@imx943evk:~# dd if=3D/dev/urandom of=3D./spi_test bs=3D1M count=3D2 2+0 records in 2+0 records out 2097152 bytes (2.1 MB, 2.0 MiB) copied, 0.0213893 s, 98.0 MB/s root@imx943evk:~# mtd_debug erase /dev/mtd0 0 2097152 Erased 2097152 bytes from address 0x00000000 in flash root@imx943evk:~# mtd_debug read /dev/mtd0 0 2097152 spi_read Copied 2097152 bytes from address 0x00000000 in flash to spi_read root@imx943evk:~# hexdump spi_read 0000000 ffff ffff ffff ffff ffff ffff ffff ffff * 0200000 root@imx943evk:~# sha256sum spi_read 4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5 spi_re= ad root@imx943evk:~# mtd_debug write /dev/mtd0 0 2097152 spi_test Copied 2097152 bytes from spi_test to address 0x00000000 in flash root@imx943evk:~# mtd_debug read /dev/mtd0 0 2097152 spi_read Copied 2097152 bytes from address 0x00000000 in flash to spi_read root@imx943evk:~# sha256sum spi* f7d59270621c04aac29df9fc1742d0a0882047c618833ecf1577a57d109060ab spi_re= ad f7d59270621c04aac29df9fc1742d0a0882047c618833ecf1577a57d109060ab spi_te= st root@imx943evk:~# mtd_debug erase /dev/mtd0 0 2097152 Erased 2097152 bytes from address 0x00000000 in flash root@imx943evk:~# mtd_debug read /dev/mtd0 0 2097152 spi_read Copied 2097152 bytes from address 0x00000000 in flash to spi_read root@imx943evk:~# sha256sum spi* 4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5 spi_re= ad f7d59270621c04aac29df9fc1742d0a0882047c618833ecf1577a57d109060ab spi_te= st root@imx943evk:~# hexdump spi_read 0000000 ffff ffff ffff ffff ffff ffff ffff ffff * 0200000 root@imx943evk:~# mtd_debug info /dev/mtd0 mtd.type =3D MTD_NORFLASH mtd.flags =3D MTD_CAP_NORFLASH mtd.size =3D 67108864 (64M) mtd.erasesize =3D 131072 (128K) mtd.writesize =3D 1 mtd.oobsize =3D 0 regions =3D 0 root@imx943evk:~# mtd_debug write /dev/mtd0 0 2097152 spi_test Copied 2097152 bytes from spi_test to address 0x00000000 in flash root@imx943evk:~# mtd_debug read /dev/mtd0 0 2097152 spi_read Copied 2097152 bytes from address 0x00000000 in flash to spi_read root@imx943evk:~# hexdump spi_read -n 20 0000000 f3af 8ec6 388f 56a7 4b69 0859 7bde 910b 0000010 ea09 0762 0000014 root@imx943evk:~# flash_erase /dev/mtd0 0 0 Erasing 65536 Kibyte @ 0 -- 100 % complete root@imx943evk:~# mtd_debug read /dev/mtd0 0 2097152 spi_read Copied 2097152 bytes from address 0x00000000 in flash to spi_read root@imx943evk:~# hexdump spi_read 0000000 ffff ffff ffff ffff ffff ffff ffff ffff * 0200000 --- drivers/mtd/spi-nor/micron-st.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-s= t.c index 81a9bead1434056cce0893c97bd35ea248c15894..4cfa89b0fc3dcc16fe47fc58c04= 3971f4c474ba4 100644 --- a/drivers/mtd/spi-nor/micron-st.c +++ b/drivers/mtd/spi-nor/micron-st.c @@ -187,14 +187,11 @@ static const struct spi_nor_fixups mt35xu512aba_fixup= s =3D { =20 static const struct flash_info micron_nor_parts[] =3D { { + /* MT35XU512ABA */ .id =3D SNOR_ID(0x2c, 0x5b, 0x1a), - .name =3D "mt35xu512aba", .sector_size =3D SZ_128K, - .size =3D SZ_64M, - .no_sfdp_flags =3D SECT_4K | SPI_NOR_OCTAL_READ | - SPI_NOR_OCTAL_DTR_READ | SPI_NOR_OCTAL_DTR_PP, .mfr_flags =3D USE_FSR, - .fixup_flags =3D SPI_NOR_4B_OPCODES | SPI_NOR_IO_MODE_EN_VOLATILE, + .fixup_flags =3D SPI_NOR_IO_MODE_EN_VOLATILE, .fixups =3D &mt35xu512aba_fixups, }, { .id =3D SNOR_ID(0x2c, 0x5b, 0x1c), --=20 2.34.1