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

Message

Alvin Zhou July 18, 2024, 3:46 a.m. UTC

From: AlvinZhou <[e-mail]>

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 [e-mail]
  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(-)