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u-boot/drivers
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Simon Glass b3b60f5912 sf: Support querying write-protect 
This feature was dropped from U-Boot some time ago:

   f12f96cfaf (sf: Drop spl_flash_get_sw_write_prot")

However, we do need a way to see if a flash device is write-protected,
since if it is, it may not be possible to write to do (i.e. failing to
write is expected).

I am not sure of the correct layer to implement this, so this patch is a
stab at it. If spi-flash makes sense then I will add to the 'sf' also.

Re the points mentioned in the removal commit:

    1) This kind of requirement can be achieved using existing
       flash operations and flash locking API calls instead of
       making a separate flash API.

Which uclass is this?

    2) Technically there is no real hardware user for this API to
       use in the source tree.

I do want coral (at least) to support this.

    3) Having a flash operations API for simple register read bits
       also make difficult to extend the flash operations.

This new patch only mentions write-protect being on or off, rather than
the actual mechanism.

    4) Instead of touching generic code, it is possible to have
       this functionality inside spinor operations in the form of
       flash hooks or fixups for associated flash chips.

That sounds to me like what drivers are for. But we still need some sort
of API for it to be accessible.

Signed-off-by: Simon Glass <sjg@chromium.org>
2021-03-27 15:04:31 +13:00
..
adc adc: meson-saradc: add support for getting reference voltage value 2021-02-18 11:37:26 +01:00
ata common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
axi dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
bios_emulator common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
block sandbox: Provide a way to bind fixed/removeable devices 2021-03-27 15:04:31 +13:00
bootcount common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
bus bus: ti-sysc: change in a normal driver 2021-03-22 19:23:27 +13:00
button button: adc: fix treshold typo 2021-03-08 10:32:34 +01:00
cache common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
clk dm: Rename device_get_by_driver_info_idx() 2021-03-26 17:03:08 +13:00
core dm: core: Use separate priv/plat data region 2021-03-26 17:03:09 +13:00
cpu common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
crypto common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
ddr arm: mvebu: a38x: Remove dead code ARMADA_39X 2021-03-12 07:44:21 +01:00
demo common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
dfu dfu: dfu_sf: avoid double free of SPI device 2021-03-25 20:15:30 +01:00
dma dma: bcm6348: incorrect buffer allocation 2021-01-18 15:23:06 -05:00
fastboot fastboot: add UUU command UCmd and ACmd support 2021-02-26 15:30:55 +01:00
firmware scmi: cosmetic: reorder include files 2021-03-11 17:03:19 +01:00
fpga arm: socfpga: Move Stratix10 and Agilex to use TARGET_SOCFPGA_SOC64 2021-03-08 10:59:10 +08:00
gpio x86: Probe device if needed in intel_gpio_xlate() 2021-03-27 13:59:36 +13:00
hwspinlock common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
i2c Revert "sandbox: Disable I2C emulators in SPL" 2021-03-26 17:03:08 +13:00
input common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
led dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
mailbox common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
memory memory: stm32-fmc2: migrate trace to dev and log macro 2021-01-13 09:52:58 +01:00
misc sandbox: cros_ec: Only write EC state when the EC is probed 2021-03-27 15:04:31 +13:00
mmc mmc: pci_mmc: Set up the card detect 2021-03-27 13:59:37 +13:00
mtd sf: Support querying write-protect 2021-03-27 15:04:31 +13:00
mux dm: Use access methods for dev/uclass private data 2021-01-05 12:24:40 -07:00
net net: cortina_ni: buffer overrun 2021-02-24 16:51:49 -05:00
nvme Prepare v2021.01-rc5 2021-01-05 16:20:26 -05:00
pch dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
pci video: Fix video on coreboot with the copy buffer 2021-03-27 15:04:30 +13:00
pci_endpoint common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
phy Merge branch '2021-02-02-drop-asm_global_data-when-unused' 2021-02-15 10:16:45 -05:00
pinctrl pinctrl: mt7629: add jtag function and pin group 2021-03-20 16:24:27 -04:00
power power: pmic: remove pmic_max8997/8 files 2021-02-23 15:43:13 +09:00
pwm common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
qe common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
ram common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
remoteproc Merge branch '2021-02-02-drop-asm_global_data-when-unused' 2021-02-15 10:16:45 -05:00
reset common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
rng rng: iproc_rng200: Enable support for RPi4 armv7 2021-03-02 13:53:48 +01:00
rtc sandbox: i2c: Support i2c emulation with of-platdata 2021-03-26 17:03:08 +13:00
scsi dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
serial x86: Make coreboot sysinfo available to any x86 board 2021-03-27 13:59:37 +13:00
smem Merge branch '2021-02-02-drop-asm_global_data-when-unused' 2021-02-15 10:16:45 -05:00
soc dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
sound tegra: i2c: Drop LOG_DEBUG 2021-03-27 13:59:36 +13:00
spi spi: stm32_qspi: Add WATCHDOG_RESET in _stm32_qspi_read_fifo() 2021-03-11 16:59:16 +01:00
spmi common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
sysinfo dm: treewide: Rename auto_alloc_size members to be shorter 2020-12-13 08:00:25 -07:00
sysreset Prepare v2021.04-rc4 2021-03-15 12:15:38 -04:00
tee drivers: tee: sandbox: SCP03 control emulator 2021-03-14 11:50:13 -04:00
thermal thermal: imx_tmu: enable monitoring and default alert/critical 2021-03-01 10:21:36 +01:00
timer sandbox: Only call timer_timebase_fallback() if present 2021-03-27 15:04:31 +13:00
tpm tpm: Correct warning on 32-bit build 2021-03-13 13:14:52 -05:00
ufs dm: treewide: Rename ..._platdata variables to just ..._plat 2020-12-13 16:51:09 -07:00
usb usb: mtu3: flush cache for next GPD 2021-03-10 11:48:09 +01:00
video x86: video: Allow coreboot video to be used on any x86 board 2021-03-27 15:04:30 +13:00
virtio virtio: Fix VirtIO BLK driver dependency 2021-03-05 10:25:43 +05:30
w1 w1: mxc: fix build 2021-01-23 11:30:31 +01:00
w1-eeprom dm: treewide: Rename 'platdata' variables to just 'plat' 2020-12-13 16:51:08 -07:00
watchdog reset: Remove addr parameter from reset_cpu() 2021-03-02 14:03:02 -05:00
xen common: Drop asm/global_data.h from common header 2021-02-02 15:33:42 -05:00
Kconfig board: Rename uclass to sysinfo 2020-11-06 10:18:20 +08:00
Makefile bootcount: allow to use this feature on TPL 2021-01-27 16:58:57 -05:00