[PATCH 2/2] mtd: spi-nor: spansion: Add support for S28HL02GT

[tkuw584924 at gmail.com]

From: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>

Infineon S28HL02GT is 3.0V, 2Gb Flash device with Octal interface.
It has the same functionalities with S28HS02GT.

Link: https://www.infineon.com/dgdl/Infineon-S28HS02GT_S28HS04GT_S28HL02GT_S28HL04GT_2Gb_4Gb_SEMPER_Flash_Octal_interface_1.8V_3.0V-DataSheet-v01_00-EN.pdf?fileId=8ac78c8c7e7124d1017f0631e33714d9
Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano at infineon.com>
---

Tested on Xilinx Zynq-7000 board and Infineon internal SPI controller.

zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id
345a1c

zynq> cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer
spansion

zynq> xxd -p /sys/bus/spi/devices/spi0.0/spi-nor/sfdp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zynq> sha256sum /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
505d69bc6aa512d9ac9594df95c189f0f3b2564e74be9be11b45d6923416903a  /sys/bus/spi/devices/spi0.0/spi-nor/sfdp

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
 8D-8D-8D
  opcode        0xee
  mode cycles   0
  dummy cycles  20

Supported page program modes by the flash
 1S-1S-1S
  opcode        0x12
 8D-8D-8D
  opcode        0x12
zynq> cat /sys/kernel/debug/spi-nor/spi0.0/params
name            (null)
id              34 5a 1c 0f 00 90
size            256 MiB
write size      16
page size       256
address nbytes  4
flags           4B_OPCODES | HAS_4BAIT | HAS_16BIT_SR | IO_MODE_EN_VOLATILE | SOFT_RESET | ECC

opcodes
 read           0xee
  dummy cycles  24
 erase          0xdc
 program        0x12
 8D extension   repeat

protocols
 read           8D-8D-8D
 write          8D-8D-8D
 register       8D-8D-8D

erase commands
 dc (256 KiB) [3]
 c7 (256 MiB)

sector map
 region (in hex)   | erase mask | overlaid
 ------------------+------------+----------
 00000000-0fffffff |     [   3] | no

zynq> mtd_debug info /dev/mtd0
mtd.type = MTD_NORFLASH
mtd.flags = MTD_CAP_NANDFLASH
mtd.size = 268435456 (256M)
mtd.erasesize = 262144 (256K)
mtd.writesize = 16
mtd.oobsize = 0
regions = 0


zynq> ./test_spi.sh
random: crng init done
2+0 records in
2+0 records out
2097152 bytes (2.0MB) copied, 2.324596 seconds, 881.0KB/s

Erased 2097152 bytes from address 0x00000000 in flash
Copied 2097152 bytes from address 0x00000000 in flash to spi_read
0000000 ffff ffff ffff ffff ffff ffff ffff ffff
*
0200000
4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5  spi_read

Copied 2097152 bytes from spi_test to address 0x00000000 in flash
Copied 2097152 bytes from address 0x00000000 in flash to spi_read
dca531fddad35d06dd7a667fb7adf847728b4b1cd0a7e4dd189e6c7c09782e51  spi_read
dca531fddad35d06dd7a667fb7adf847728b4b1cd0a7e4dd189e6c7c09782e51  spi_test

Erased 2097152 bytes from address 0x00000000 in flash
Copied 2097152 bytes from address 0x00000000 in flash to spi_read
4bda3a28f4ffe603c0ec1258c0034d65a1a0d35ab7bd523a834608adabf03cc5  spi_read
dca531fddad35d06dd7a667fb7adf847728b4b1cd0a7e4dd189e6c7c09782e51  spi_test


 drivers/mtd/spi-nor/spansion.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c
index f8d8a908c92e..bc6cba906370 100644
--- a/drivers/mtd/spi-nor/spansion.c
+++ b/drivers/mtd/spi-nor/spansion.c
@@ -971,6 +971,10 @@ static const struct flash_info spansion_nor_parts[] = {
 		.name = "s28hl01gt",
 		.mfr_flags = USE_CLPEF,
 		.fixups = &s28hx_t_fixups,
+	}, {
+		.id = SNOR_ID(0x34, 0x5a, 0x1c),
+		.mfr_flags = USE_CLPEF,
+		.fixups = &s28hx_t_fixups,
 	}, {
 		.id = SNOR_ID(0x34, 0x5b, 0x19),
 		.mfr_flags = USE_CLPEF,
-- 
2.34.1