+ Tom Rini Do you have any comments for this series?
Thanks Venkatesh > -----Original Message----- > From: Venkatesh Yadav Abbarapu <venkatesh.abbar...@amd.com> > Sent: Monday, March 4, 2024 8:41 AM > To: u-boot@lists.denx.de > Cc: Simek, Michal <michal.si...@amd.com>; ja...@amarulasolutions.com; > git (AMD-Xilinx) <g...@amd.com> > Subject: [PATCH v11 0/8] spi-nor: Add parallel and stacked memories support > > This series adds support for Xilinx qspi parallel and stacked memeories. > > In parallel mode, the current implementation assumes that a maximum of > two flashes are connected. The QSPI controller splits the data evenly between > both the flashes so, both the flashes that are connected in parallel mode > should be identical. > During each operation SPI-NOR sets 0th bit for CS0 & 1st bit for CS1 in > nor->flags. > > In stacked mode the current implementation assumes that a maximum of two > flashes are connected and both the flashes are of same make but can differ in > sizes. So, except the sizes all other flash parameters of both the flashes are > identical. > > Spi-nor will pass on the appropriate flash select flag to low level driver, > and it > will select pass all the data to that particular flash. > > Write operation in parallel mode are performed in page size * 2 chunks as > each write operation results in writing both the flashes. For doubling the > address space each operation is performed at addr/2 flash offset, where addr > is the address specified by the user. > > Similarly for read and erase operations it will read from both flashes, so > size > and offset are divided by 2 and send to flash. > > Changes in v2: > - Fixed the compilation issues. > Changes in v3: > - Fixed the CI issues. > Changes in v4: > - Removed the dio,dummy_bytes variables from zynq_qspi driver. > - Fix the compilation issue by including the DM_SPI config. > Changes in v5: > - Fixed the issue reported by buildman. > Changes in v6: > - Fixed the issues reported while running the sandbox test cases. > Changes in v7: > - Fixed the issues reported while running these da850evm_defconfig, > imx28_xea_defconfig configs. > - Fixed the issue when DM_SPI config is disabled. > - Fixed the issue while running the sandbox_noinst_defconfig with spl > ./spl/u-boot-spl -d arch/sandbox/dts/test.dtb > jedec_spi_nor spi.bin@0: has no valid 'reg' property (-12) > jedec_spi_nor spi.bin@1: has no valid 'reg' property (-12) > ### ERROR ### Please RESET the board ### Changes in v8: > - Fixed the compilation issue with imx28_xea_defconfig. > - Fixed the SPL size issue with the axm and taurus defconfigs. > - Rebased the patches on top of next branch. > Changes in v9: > - Updated the commit log why SPL_FIT is being enabled. > Changes in v10: > - Added the new config SPI_ADVANCE to fix the issue while enabling > imx28_xea_defconfig. > Changes in v11: > - Removed the unused variable, corrected the type of variable and replaced > memcpy with memmove. > > Ashok Reddy Soma (4): > mtd: spi-nor: Add parallel and stacked memories support > mtd: spi-nor: Add parallel memories support for read_sr and read_fsr > mtd: spi-nor: Add parallel and stacked memories support in read_bar > and write_bar > spi: spi-uclass: Read chipselect and restrict capabilities > > Venkatesh Yadav Abbarapu (4): > spi: zynqmp_gqspi: Add parallel memories support in GQSPI driver > spi: zynq_qspi: Add parallel memories support in QSPI driver > spi: Add the spi advance options for non SPL > config: xea: Enable the SPI_ADVANCE config option > > configs/imx28_xea_defconfig | 1 + > drivers/mtd/spi/sandbox.c | 2 +- > drivers/mtd/spi/spi-nor-core.c | 399 ++++++++++++++++++++++++++++----- > drivers/spi/Kconfig | 7 + > drivers/spi/altera_spi.c | 4 +- > drivers/spi/atcspi200_spi.c | 2 +- > drivers/spi/ath79_spi.c | 2 +- > drivers/spi/atmel_spi.c | 6 +- > drivers/spi/bcm63xx_hsspi.c | 42 ++-- > drivers/spi/bcm63xx_spi.c | 6 +- > drivers/spi/bcmbca_hsspi.c | 34 +-- > drivers/spi/cf_spi.c | 6 +- > drivers/spi/davinci_spi.c | 8 +- > drivers/spi/fsl_dspi.c | 18 +- > drivers/spi/fsl_espi.c | 4 +- > drivers/spi/fsl_qspi.c | 4 +- > drivers/spi/gxp_spi.c | 2 +- > drivers/spi/mpc8xx_spi.c | 4 +- > drivers/spi/mpc8xxx_spi.c | 10 +- > drivers/spi/mscc_bb_spi.c | 4 +- > drivers/spi/mxc_spi.c | 6 +- > drivers/spi/npcm_fiu_spi.c | 14 +- > drivers/spi/nxp_fspi.c | 2 +- > drivers/spi/octeon_spi.c | 2 +- > drivers/spi/omap3_spi.c | 4 +- > drivers/spi/pic32_spi.c | 2 +- > drivers/spi/rk_spi.c | 4 +- > drivers/spi/rockchip_sfc.c | 2 +- > drivers/spi/spi-aspeed-smc.c | 28 +-- > drivers/spi/spi-mxic.c | 6 +- > drivers/spi/spi-qup.c | 4 +- > drivers/spi/spi-sifive.c | 6 +- > drivers/spi/spi-sn-f-ospi.c | 2 +- > drivers/spi/spi-sunxi.c | 6 +- > drivers/spi/spi-synquacer.c | 4 +- > drivers/spi/spi-uclass.c | 34 ++- > drivers/spi/stm32_qspi.c | 2 +- > drivers/spi/stm32_spi.c | 4 +- > drivers/spi/ti_qspi.c | 14 +- > drivers/spi/xilinx_spi.c | 6 +- > drivers/spi/zynq_qspi.c | 119 ++++++++-- > drivers/spi/zynq_spi.c | 6 +- > drivers/spi/zynqmp_gqspi.c | 141 ++++++++++-- > include/linux/mtd/spi-nor.h | 12 + > include/spi.h | 23 +- > lib/acpi/acpi_device.c | 2 +- > 46 files changed, 792 insertions(+), 228 deletions(-) > > -- > 2.17.1
