[PATCH v5 00/10] mtd: spi-nor: Add support for Cypress s25hl-t/s25hs-t

[tkuw584924 at gmail.com <tkuw584924@gmail.com>]

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

The S25HL-T/S25HS-T family is the Cypress Semper Flash with Quad SPI.

The summary datasheets can be found in the following links.
https://www.cypress.com/file/424146/download (256Mb/512Mb/1Gb, single die)
https://www.cypress.com/file/499246/download (2Gb/4Gb, dual/quad die)

The full version can be found in the following links (registration
required).
https://community.cypress.com/t5/Semper-Flash-Access-Program/Datasheet-Semper-Flash-with-Quad-SPI/ta-p/260789?attachment-id=19522
https://community.cypress.com/t5/Semper-Flash-Access-Program/Datasheet-2Gb-MCP-Semper-Flash-with-Quad-SPI/ta-p/260823?attachment-id=29503

Tested on Xilinx Zynq-7000 FPGA board.

Changes since v5:
  - Removed 256Mb and 4Gb parts support
  - Fixed register offset issue in spansion_quad_enable_volatile()
  - Added spi_nor_default_ready() and moved existing code into it
  - Separated spansion_sr_read() to new patch
  - Renamed spansion_overlaid_erase() to spansion_non_uniform_erase() and
    changed the implementation to issue the proper erase command based on
    the address
  - Added s25hx_t_erase_non_uniform()
  - Changed mtd.writesize and mtd.flags in s25hx_t_setup()
  - Fixed page size and erase size issues in s25hx_t_post_bfpt_fixup()

Changes since v4:
  - Added Read/Write Any Register support
  - Added the ->ready() hook to support multi-die package parts
  - Added S25HL02GT/S25HL04GT/S25HS02GT/S25HS04GT support
  
Changes since v3:
  - Split into multiple patches

Changes since v2:
  - Fixed typo in comment for spansion_overlaid_erase()
  - Fixed expressions for addr and len check in spansion_overlaid_erase()
  - Added device ID check to make the changes effective for S25 only
  - Added nor->setup() and fixup hooks based on the following patches
    https://patchwork.ozlabs.org/project/uboot/patch/20200904153500.3569-7-p.yadav at ti.com/
    https://patchwork.ozlabs.org/project/uboot/patch/20200904153500.3569-8-p.yadav at ti.com/
    https://patchwork.ozlabs.org/project/uboot/patch/20200904153500.3569-9-p.yadav at ti.com/

Takahiro Kuwano (10):
  mtd: spi-nor: Add Cypress manufacturer ID
  mtd: spi-nor-ids: Add Cypress s25hl-t/s25hs-t
  mtd: spi-nor-core: Add support for Read/Write Any Register
  mtd: spi-nor-core: Add support for volatile QE bit
  mtd: spi-nor-core: Add the ->ready() hook
  mtd: spi-nor-core: Read status by Read Any Register
  mtd: spi-nor-core: Add non-uniform erase for Spansion/Cypress
  mtd: spi-nor-core: Add Cypress manufacturer ID in set_4byte
  mtd: spi-nor-core: Add fixups for Cypress s25hl-t/s25hs-t
  mtd: spi-nor-tiny: Add fixups for Cypress s25hl-t/s25hs-t

 drivers/mtd/spi/spi-nor-core.c | 345 ++++++++++++++++++++++++++++++++-
 drivers/mtd/spi/spi-nor-ids.c  |  27 +++
 drivers/mtd/spi/spi-nor-tiny.c |  90 +++++++++
 include/linux/mtd/spi-nor.h    |  10 +
 4 files changed, 471 insertions(+), 1 deletion(-)
-- 
2.25.1