From: Takahiro Kuwano Takahiro.Kuwano@infineon.com
The S25HL-T/S25HS-T family is the Cypress Semper Flash with Quad SPI. The 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)
Tested on Xilinx Zynq-7000 FPGA board.
Takahiro Kuwano (9): 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: Add overlaid sector erase feature 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 | 267 +++++++++++++++++++++++++++++++++ drivers/mtd/spi/spi-nor-ids.c | 36 +++++ drivers/mtd/spi/spi-nor-tiny.c | 89 +++++++++++ include/linux/mtd/spi-nor.h | 9 +- 4 files changed, 400 insertions(+), 1 deletion(-)
--- 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.yad... https://patchwork.ozlabs.org/project/uboot/patch/20200904153500.3569-8-p.yad... https://patchwork.ozlabs.org/project/uboot/patch/20200904153500.3569-9-p.yad...
-- 2.25.1