[PATCH 3/4] mtd: spi-nor: micron-st: add mt35xu01gbba support

[Haibo Chen <haibo.chen@nxp.com>]

mt35xu01gbba is similar with mt35xu512aba, but with two dies.
SFDP contain the wrong size, so define the size dierctly in
the flash info. And it also support 8D-8D-8D mode, but SFDP
lack SNOR_F_IO_MODE_EN_VOLATILE, so add this fixup flags here.

Link: https://datasheet.octopart.com/MT35XU02GCBA1G12-0AAT-Micron-datasheet-138896808.pdf
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>

---
1) This mt35xu01gbba is populated on the imx95-19x19-evk board, was
   tested at 200MHz using nxp,imx95-fspi SPI controller.
2) root@imx95evk:~# cat /sys/bus/spi/devices/spi1.0/spi-nor/partname
   mt35xu01gbba
   root@imx95evk:~# cat /sys/bus/spi/devices/spi1.0/spi-nor/jedec_id
   2c5b1b
   root@imx95evk:~# cat /sys/bus/spi/devices/spi1.0/spi-nor/manufacturer
   micron
   root@imx95evk:~# hexdump -Cv /sys/bus/spi/devices/spi1.0/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 3f  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........'=|
   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@imx95evk:~# sha256sum /sys/bus/spi/devices/spi1.0/spi-nor/sfdp
   3848f0bd2436d7ca1373cee33f90e09d6479d0f4dc4bfd19f6a082d9e0039495  /sys/bus/spi/devices/spi1.0/spi-nor/sfdp
3) root@imx95evk:~# cat /sys/kernel/debug/spi-nor/spi1.0/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@imx95evk:~# cat /sys/kernel/debug/spi-nor/spi1.0/params
   name            mt35xu01gbba
   id              2c 5b 1b 10 41 00
   size            128 MiB
   write size      1
   page size       256
   address nbytes  4
   flags           4B_OPCODES | HAS_4BAIT | HAS_LOCK | IO_MODE_EN_VOLATILE | 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]
     c4 (128 MiB)

   sector map
     region (in hex)   | erase mask | overlaid
     ------------------+------------+----------
     00000000-07ffffff |     [   3] | no
4) root@imx95evk:~# dd if=/dev/urandom of=./spi_test bs=1M count=2
   2+0 records in
   2+0 records out
   2097152 bytes (2.1 MB, 2.0 MiB) copied, 0.0207974 s, 101 MB/s
   root@imx95evk:~# mtd_debug erase /dev/mtd0 0 2097152
   Erased 2097152 bytes from address 0x00000000 in flash
   root@imx95evk:~# mtd_debug read /dev/mtd0 0 2097152 spi_read
   Copied 2097152 bytes from address 0x00000000 in flash to spi_read
   root@imx95evk:~# hexdump spi_read
   0000000 ffff ffff ffff ffff ffff ffff ffff ffff
   *
   0200000
   root@imx95evk:~# sha256sum spi_read
   4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5  spi_read
   root@imx95evk:~# mtd_debug write /dev/mtd0 0 2097152 spi_test
   Copied 2097152 bytes from spi_test to address 0x00000000 in flash
   root@imx95evk:~# mtd_debug read /dev/mtd0 0 2097152 spi_read
   Copied 2097152 bytes from address 0x00000000 in flash to spi_read
   root@imx95evk:~# sha256sum spi*
   57300768c1271d4588b850dcbf4e1400f287f09b2d515eda610890456695b205  spi_read
   57300768c1271d4588b850dcbf4e1400f287f09b2d515eda610890456695b205  spi_test
   root@imx95evk:~# mtd_debug erase /dev/mtd0 0 2097152
   Erased 2097152 bytes from address 0x00000000 in flash
   root@imx95evk:~# mtd_debug read /dev/mtd0 0 2097152 spi_read
   Copied 2097152 bytes from address 0x00000000 in flash to spi_read
   root@imx95evk:~# sha256sum spi*
   4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5  spi_read
   57300768c1271d4588b850dcbf4e1400f287f09b2d515eda610890456695b205  spi_test
   root@imx95evk:~# mtd_debug info /dev/mtd0
   mtd.type = MTD_NORFLASH
   mtd.flags = MTD_CAP_NORFLASH
   mtd.size = 134217728 (128M)
   mtd.erasesize = 131072 (128K)
   mtd.writesize = 1
   mtd.oobsize = 0
   regions = 0
   root@imx95evk:~# flash_erase /dev/mtd0 0 0
   Erasing 131072 Kibyte @ 0 -- 100 % complete
   root@imx95evk:~# mtd_debug read /dev/mtd0 0 2097152 spi_read
   Copied 2097152 bytes from address 0x00000000 in flash to spi_read
   root@imx95evk:~# hexdump spi_read
   0000000 ffff ffff ffff ffff ffff ffff ffff ffff
   *
   0200000
---
 drivers/mtd/spi-nor/micron-st.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c
index 89cd146095584ddebdd258a186f6398b420e5800..f724313f4dd3720908968c670e8d3d58f41c099c 100644
--- a/drivers/mtd/spi-nor/micron-st.c
+++ b/drivers/mtd/spi-nor/micron-st.c
@@ -208,6 +208,12 @@ static const struct spi_nor_fixups mt35xu512aba_fixups = {
 	.late_init = micron_st_nor_one_die_late_init,
 };
 
+static const struct spi_nor_fixups mt35xu01gbba_fixups = {
+	.default_init = mt35xu512aba_default_init,
+	.post_sfdp = mt35xu512aba_post_sfdp_fixup,
+	.late_init = micron_st_nor_two_die_late_init,
+};
+
 static const struct flash_info micron_nor_parts[] = {
 	{
 		.id = SNOR_ID(0x2c, 0x5b, 0x1a),
@@ -219,6 +225,16 @@ static const struct flash_info micron_nor_parts[] = {
 		.mfr_flags = USE_FSR,
 		.fixup_flags = SPI_NOR_4B_OPCODES | SPI_NOR_IO_MODE_EN_VOLATILE,
 		.fixups = &mt35xu512aba_fixups,
+	}, {
+		.id = SNOR_ID(0x2c, 0x5b, 0x1b),
+		.name = "mt35xu01gbba",
+		.sector_size = SZ_128K,
+		.size = SZ_128M,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_OCTAL_READ |
+				 SPI_NOR_OCTAL_DTR_READ | SPI_NOR_OCTAL_DTR_PP,
+		.mfr_flags = USE_FSR,
+		.fixup_flags = SPI_NOR_4B_OPCODES | SPI_NOR_IO_MODE_EN_VOLATILE,
+		.fixups = &mt35xu01gbba_fixups,
 	}, {
 		.id = SNOR_ID(0x2c, 0x5b, 0x1c),
 		.name = "mt35xu02g",

-- 
2.34.1