[PATCH 1/3] mtd: spi-nor: macronix: Add support for serial NOR flash
From: Cheng Ming Lin
Date: Mon Jul 22 2024 - 02:51:04 EST
From: Cheng Ming Lin <chengminglin@xxxxxxxxxxx>
MX66U1G45G and MX66L2G45G are Macronix serial NOR flash.
These flashes have been tested on Xilinx Zynq-picozed board
using MXIC SPI controller.
Signed-off-by: Cheng Ming Lin <chengminglin@xxxxxxxxxxx>
---
zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id
c2201c
zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer
macronix
zynq> hexdump -Cv /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
00000000 53 46 44 50 06 01 02 ff 00 06 01 10 30 00 00 ff |SFDP........0...|
00000010 c2 00 01 04 10 01 00 ff 84 00 01 02 c0 00 00 ff |................|
00000020 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
00000030 e5 20 fb ff ff ff ff 7f 44 eb 08 6b 08 3b 04 bb |. ......D..k.;..|
00000040 fe ff ff ff ff ff 00 ff ff ff 44 eb 0c 20 0f 52 |..........D.. .R|
00000050 10 d8 00 ff 87 49 bd 00 84 d2 04 e2 44 03 67 38 |.....I......D.g8|
00000060 30 b0 30 b0 f7 bd ff 5c 4a 9e 29 ff f0 50 f9 85 |0.0....\J.)..P..|
00000070 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
00000080 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
00000090 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
000000a0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
000000b0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
000000c0 7f 8f ff ff 21 5c dc ff ff ff ff ff ff ff ff ff |....!\..........|
000000d0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
000000e0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
000000f0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
00000100 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
00000110 00 36 00 27 9d f9 c0 64 85 cb ff ff ff ff ff ff |.6.'...d........|
00000120
zynq> sha256sum /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
9af233495e5cffd2f38e9e2b8334a0d51c01fa93e9a17a991f674c8d6a350358 /sys/bus/spi/devices/spi0.0/p
zynq> cat /sys/kernel/debug/spi-nor/spi0.0/capabilities
Supported read modes by the flash
1S-1S-1S
opcode 0x13
mode cycles 0
dummy cycles 0
1S-1S-2S
opcode 0x3c
mode cycles 0
dummy cycles 8
1S-2S-2S
opcode 0xbc
mode cycles 0
dummy cycles 4
1S-1S-4S
opcode 0x6c
mode cycles 0
dummy cycles 8
1S-4S-4S
opcode 0xec
mode cycles 2
dummy cycles 4
4S-4S-4S
opcode 0xec
mode cycles 2
dummy cycles 4
Supported page program modes by the flash
1S-1S-1S
opcode 0x12
1S-4S-4S
opcode 0x3e
zynq> cat /sys/kernel/debug/spi-nor/spi0.0/params
name (null)
id c2 20 1c c2 20 1c
size 256 MiB
write size 1
page size 256
address nbytes 4
flags 4B_OPCODES | HAS_4BAIT | SOFT_RESET
opcodes
read 0xec
dummy cycles 6
erase 0x21
program 0x3e
8D extension none
protocols
read 1S-4S-4S
write 1S-4S-4S
register 1S-1S-1S
erase commands
21 (4.00 KiB) [1]
5c (32.0 KiB) [2]
dc (64.0 KiB) [3]
c7 (256 MiB)
sector map
region (in hex) | erase mask | overlaid
------------------+------------+----------
00000000-0fffffff | [ 1 ] | no
zynq> dd if=/dev/urandom of=/tmp/spi_test bs=1M count=2
2+0 records in
2+0 records out
2097152 bytes (2.0MB) copied, 0.083620 seconds, 23.9MB/s
zynq> mtd_debug erase /dev/mtd0 0 2097152
Erased 2097152 bytes from address 0x00000000 in flash
zynq> mtd_debug read /dev/mtd0 0 2097152 /tmp/spi_read
Copied 2097152 bytes from address 0x00000000 in flash to /tmp/spi_read
zynq> hexdump /tmp/spi_read
0000000 ffff ffff ffff ffff ffff ffff ffff ffff
*
0200000
zynq> sha256sum /tmp/spi_read
4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5 /tmp/spi_read
zynq> mtd_debug write /dev/mtd0 0 2097152 /tmp/spi_test
Copied 2097152 bytes from /tmp/spi_test to address 0x00000000 in flash
zynq> mtd_debug read /dev/mtd0 0 2097152 /tmp/spi_read
Copied 2097152 bytes from address 0x00000000 in flash to /tmp/spi_read
zynq> sha256sum /tmp/spi*
2c63296c93c97967e87279c3a4d4a9a5af4e7c2b9d2bc58579c3f01a6c522dfa /tmp/spi_read
2c63296c93c97967e87279c3a4d4a9a5af4e7c2b9d2bc58579c3f01a6c522dfa /tmp/spi_test
zynq> mtd_debug erase /dev/mtd0 0 2097152
Erased 2097152 bytes from address 0x00000000 in flash
zynq> mtd_debug read /dev/mtd0 0 2097152 /tmp/spi_read
Copied 2097152 bytes from address 0x00000000 in flash to /tmp/spi_read
zynq> sha256sum /tmp/spi*
4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5 /tmp/spi_read
2c63296c93c97967e87279c3a4d4a9a5af4e7c2b9d2bc58579c3f01a6c522dfa /tmp/spi_test
zynq> mtd_debug info /dev/mtd0
mtd.type = MTD_NORFLASH
mtd.flags = MTD_CAP_NORFLASH
mtd.size = 268435456 (256M)
mtd.erasesize = 4096 (4K)
mtd.writesize = 1
mtd.oobsize = 0
regions = 0
zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id
c2253b
zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer
zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id
c2253b
zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer
macronix
zynq> hexdump -Cv /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
00000000 53 46 44 50 06 01 02 ff 00 06 01 10 30 00 00 ff |SFDP........0...|
00000010 c2 00 01 04 10 01 00 ff 84 00 01 02 c0 00 00 ff |................|
00000020 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
00000030 e5 20 fb ff ff ff ff 3f 44 eb 08 6b 08 3b 04 bb |. .....?D..k.;..|
00000040 fe ff ff ff ff ff 00 ff ff ff 44 eb 0c 20 0f 52 |..........D.. .R|
00000050 10 d8 00 ff 89 49 bd 00 8d 12 00 e2 44 03 67 44 |.....I......D.gD|
00000060 30 b0 30 b0 f7 bd d5 5c 4a 9e 29 ff f0 50 f9 85 |0.0....\J.)..P..|
00000070 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
00000080 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
00000090 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
000000a0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
000000b0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
000000c0 7f 8f ff ff 21 5c dc ff ff ff ff ff ff ff ff ff |....!\..........|
000000d0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
000000e0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
000000f0 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
00000100 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
00000110 00 20 00 17 9d f9 c0 64 85 cb ff ff ff ff ff ff |. .....d........|
00000120
zynq> sha256sum /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
ef47525560aa30ca7eb4634eb2eb15a0aa618d3b61f774933f9935d05fb475f6 /sys/bus/spi/devices/spi0.0/p
zynq> cat /sys/kernel/debug/spi-nor/spi0.0/capabilities
Supported read modes by the flash
1S-1S-1S
opcode 0x13
mode cycles 0
dummy cycles 0
1S-1S-2S
opcode 0x3c
mode cycles 0
dummy cycles 8
1S-2S-2S
opcode 0xbc
mode cycles 0
dummy cycles 4
1S-1S-4S
opcode 0x6c
mode cycles 0
dummy cycles 8
1S-4S-4S
opcode 0xec
mode cycles 2
dummy cycles 4
4S-4S-4S
opcode 0xec
mode cycles 2
dummy cycles 4
Supported page program modes by the flash
1S-1S-1S
opcode 0x12
1S-4S-4S
opcode 0x3e
zynq> cat /sys/kernel/debug/spi-nor/spi0.0/params
name (null)
id c2 25 3b c2 25 3b
size 128 MiB
write size 1
page size 256
address nbytes 4
flags 4B_OPCODES | HAS_4BAIT | SOFT_RESET
opcodes
read 0xec
dummy cycles 6
erase 0x21
program 0x3e
8D extension none
protocols
read 1S-4S-4S
write 1S-4S-4S
register 1S-1S-1S
erase commands
21 (4.00 KiB) [1]
5c (32.0 KiB) [2]
dc (64.0 KiB) [3]
c7 (128 MiB)
sector map
region (in hex) | erase mask | overlaid
------------------+------------+----------
00000000-07ffffff | [ 1 ] | no
zynq> dd if=/dev/urandom of=/tmp/spi_test bs=1M count=2
2+0 records in
2+0 records out
2097152 bytes (2.0MB) copied, 0.083028 seconds, 24.1MB/s
zynq> mtd_debug erase /dev/mtd0 0 2097152
Erased 2097152 bytes from address 0x00000000 in flash
zynq> mtd_debug read /dev/mtd0 0 2097152 /tmp/spi_read
Copied 2097152 bytes from address 0x00000000 in flash to /tmp/spi_read
zynq> hexdump /tmp/spi_read
0000000 ffff ffff ffff ffff ffff ffff ffff ffff
*
0200000
zynq> sha256sum /tmp/spi_read
4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5 /tmp/spi_read
zynq> mtd_debug write /dev/mtd0 0 2097152 /tmp/spi_test
Copied 2097152 bytes from /tmp/spi_test to address 0x00000000 in flash
zynq> mtd_debug read /dev/mtd0 0 2097152 /tmp/spi_read
Copied 2097152 bytes from address 0x00000000 in flash to /tmp/spi_read
zynq> sha256sum /tmp/spi*
45b3b6898c7dccd9bdc3cabd42d25ce6a875f4bdebe0b2a5d51632c67ecdc4a2 /tmp/spi_read
45b3b6898c7dccd9bdc3cabd42d25ce6a875f4bdebe0b2a5d51632c67ecdc4a2 /tmp/spi_test
zynq> mtd_debug erase /dev/mtd0 0 2097152
Erased 2097152 bytes from address 0x00000000 in flash
zynq> mtd_debug read /dev/mtd0 0 2097152 /tmp/spi_read
Copied 2097152 bytes from address 0x00000000 in flash to /tmp/spi_read
zynq> sha256sum /tmp/spi*
4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5 /tmp/spi_read
45b3b6898c7dccd9bdc3cabd42d25ce6a875f4bdebe0b2a5d51632c67ecdc4a2 /tmp/spi_test
zynq> mtd_debug info /dev/mtd0
mtd.type = MTD_NORFLASH
mtd.flags = MTD_CAP_NORFLASH
mtd.size = 134217728 (128M)
mtd.erasesize = 4096 (4K)
mtd.writesize = 1
mtd.oobsize = 0
regions = 0
drivers/mtd/spi-nor/macronix.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/mtd/spi-nor/macronix.c b/drivers/mtd/spi-nor/macronix.c
index ea6be95e75a5..387836b27605 100644
--- a/drivers/mtd/spi-nor/macronix.c
+++ b/drivers/mtd/spi-nor/macronix.c
@@ -90,6 +90,10 @@ static const struct flash_info macronix_nor_parts[] = {
.name = "mx66l1g45g",
.size = SZ_128M,
.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+ }, {
+ .id = SNOR_ID(0xc2, 0x20, 0x1c),
+ .size = SZ_256M,
+ .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
}, {
.id = SNOR_ID(0xc2, 0x23, 0x14),
.name = "mx25v8035f",
@@ -143,6 +147,11 @@ static const struct flash_info macronix_nor_parts[] = {
.size = SZ_64M,
.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
.fixup_flags = SPI_NOR_4B_OPCODES,
+ }, {
+ .id = SNOR_ID(0xc2, 0x25, 0x3b),
+ .size = SZ_128M,
+ .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
+ .fixup_flags = SPI_NOR_4B_OPCODES,
}, {
.id = SNOR_ID(0xc2, 0x25, 0x3c),
.name = "mx66u2g45g",
--
2.25.1