[PATCH v9 0/6] Add octal DTR support for Macronix flash

AlvinZhou
2024-07-18T03:47:46Z

From: AlvinZhou <alvinzhou@mxic.com.tw>

Add method for Macronix Octal DTR Eable/Disable.
Merge Tudor's patch "Allow specifying the byte order in DTR mode"

v9:
Change the name of the configuration register 2 for Macronix Octal flash.
Fix the bit value in __pad of struct spi_mem_op.
Use the local variable proto instead of nor->read_proto.

v8:
Supplement missing S-o-b
Remove function spi_nor_is_octal_dtr_swab16
Split IDs by MX25 & MX66
Add dump of capability in debugfs
Add dump of params in debugfs
Add dump of reult for mtd-utils tests
Add SNOR_ID(0xC2) in last of Macronix ID table

v7:
Add dtr_swab16 judgement to enable/disable Macronix xSPI host
controller swap byte feature.

v6:
Add byte swap support for spi-mxic.c
Remove flash name in ID table.

v5:
Remove manufacturer read id function.
For increased readability, separate Flash IDs based on whether
it supports RWW feature.

v4:
Add patch for adding manufacturer read id function.
remove patch "hook manufacturer by checking first byte id"

v3:
Add patch for hook manufacturer by comparing ID 1st byte.
Add patches for specifying the byte order in DTR mode by merging
Tudor's patch.

v2:
Following exsting rules to re-create Macronix specify Octal DTR method.
change signature to jaimeliao@mxic.com.tw
Clear sector size information in flash INFO.

AlvinZhou (6):
mtd: spi-nor: add Octal DTR support for Macronix flash
spi: spi-mem: Allow specifying the byte order in Octal DTR mode
mtd: spi-nor: core: Allow specifying the byte order in Octal DTR mode
mtd: spi-nor: sfdp: Get the 8D-8D-8D byte order from BFPT
spi: mxic: Add support for swapping byte
mtd: spi-nor: add support for Macronix Octal flash

drivers/mtd/spi-nor/core.c | 4 ++
drivers/mtd/spi-nor/core.h | 1 +
drivers/mtd/spi-nor/macronix.c | 95 +++++++++++++++++++++++++++++++++-
drivers/mtd/spi-nor/sfdp.c | 4 ++
drivers/mtd/spi-nor/sfdp.h | 1 +
drivers/spi/spi-mem.c | 3 ++
drivers/spi/spi-mxic.c | 17 ++++--
include/linux/spi/spi-mem.h | 8 ++-
8 files changed, 127 insertions(+), 6 deletions(-)

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2.25.1