u-boot.git/drivers/mtd/spi, branch v2022.01

mtd: spi-nor-ids: Add support for W25Q01JV

2021-12-16T07:28:47Z

Adds support for Winbond's new 128MB spi nor flash. datasheet: https://www.winbond.com/resource-files/W25Q01JV%20SPI%20RevC%2005032021%20Plus%20dummy.pdf Signed-off-by: Ram Narayanan Cc: Jagan Teki Reviewed-by: Jagan Teki

mtd: spi: Remove SF_DUAL_FLASH symbol from Kconfig

2021-12-02T06:03:01Z

This symbol is not used anywhere in the code. Just enable in couple of defconfigs but it does nothing that's why remove it. Signed-off-by: Michal Simek Reviewed-by: Jagan Teki

mtd: spi-nor-ids: Add SECT_4K to mt25qu512a

2021-10-23T10:24:51Z

The mt25qu512a supports 4K or 64K sectors, so adding SECT_4K to enable 4K sector usage. Tested on Intel n5x hardware with QSPI carrier card Signed-off-by: Kris Chaplin Acked-by: Pratyush Yadav [jagan: droped Tested-by of patch author and datasheet link] Signed-off-by: Jagan Teki Reviewed-by: Jagan Teki

mtd: spi-nor-ids: Add is25lp512 and is25wp512 devices

2021-10-23T10:22:29Z

Add is25lp512 and is25wp512 devices to spi-nor id table Tested on Intel n5x hardware with QSPI carrier card Signed-off-by: Kris Chaplin [jagan: droped Tested-by of patch author] Signed-off-by: Jagan Teki Reviewed-by: Jagan Teki

mtd: Remove mtd_erase_callback() entirely

2021-10-23T10:17:33Z

The original purpose of mtd_erase_callback() in Linux at the time it was imported to U-Boot, was to inform the caller that erasing is done (since it was an asynchronous operation). All supplied callback methods in U-Boot do nothing, but the mtd_erase_callback() function was (until previous patch) grossly abused in U-Boot's mtdpart implementation for completely different purpose. Since we got rid of the abusement, remove the mtd_erase_callback() function and the .callback member from struct erase_info entirely, in order to avoid such problems in the future. Signed-off-by: Marek Behún

mtd: spi-nor-core: Check for ctrlc() in spi_nor_erase()

2021-10-23T10:17:33Z

May it possible to interrupt the spi_nor_erase() function. Signed-off-by: Marek Behún Reviewed-by: Simon Glass Tested-by: Masami Hiramatsu

mtd: spi-nor-core: Call mtd_erase_callback() from spi_nor_erase()

2021-10-23T10:17:33Z

The spi_nor_erase() function does not call mtd_erase_callback() as it should. The mtdpart code currently implements the subtraction of partition offset in mtd_erase_callback(). This results in partition offset being added prior calling spi_nor_erase(), but not subtracted back on return. The result is that the `mtd erase` command does not erase the whole partition, only some of it's blocks: => mtd erase "Rescue system" Erasing 0x00000000 ... 0x006fffff (1792 eraseblock(s)) jedec_spi_nor spi-nor@0: at 0x100000, len 4096 jedec_spi_nor spi-nor@0: at 0x201000, len 4096 jedec_spi_nor spi-nor@0: at 0x302000, len 4096 jedec_spi_nor spi-nor@0: at 0x403000, len 4096 jedec_spi_nor spi-nor@0: at 0x504000, len 4096 jedec_spi_nor spi-nor@0: at 0x605000, len 4096 jedec_spi_nor spi-nor@0: at 0x706000, len 4096 This is obviously wrong. Add proper calling of mtd_erase_callback() into the spi_nor_erase() function. Signed-off-by: Marek Behún Reviewed-by: Simon Glass Reported-by: Masami Hiramatsu Tested-by: Masami Hiramatsu

mtd: spi-nor-core: Don't check for zero length in spi_nor_write() / spi_nor_erase()

2021-10-23T10:17:33Z

This check is already done in all callers: mtdcore's mtd_write() / mtd_erase(), legacy spi_nor_write() / spi_flash_erase(). No reason to do this here as well. Signed-off-by: Marek Behún

mtd: spi-nor-core: Check return value of write_disable() in spi_nor_erase()

2021-10-23T10:17:33Z

The cleanup code of spi_nor_erase() function calls write_disable(), but does not return it's return value even in case of failure. Fix this. Signed-off-by: Marek Behún Reviewed-by: Simon Glass Tested-by: Masami Hiramatsu

mtd: spi-nor-core: Don't overwrite return value if it is non-zero

2021-10-23T10:17:33Z

The cleanup code of the spi_nor_erase() function overwrites the ret variable with return value of clean_bar(), even if the ret variable is already set. Fix this. Signed-off-by: Marek Behún Reviewed-by: Simon Glass Tested-by: Masami Hiramatsu