[riot-notifications] [RIOT-OS/RIOT] drivers/mtd_spi_nor: enable 32 bit addressing, define WP and HOLD pins (#15360)

benpicco notifications at github.com
Mon Nov 2 17:06:53 CET 2020

### Contribution description

If an address width of 4 byte is configured, we also must enable it on the SPI flash device in order for it to accept 32 bit addresses.

If the WP and HOLD pin is connected to the MCU, it must be driven HIGH as otherwise a LOW level will enable both HOLD and WP.

This is not the case for any existing boards, but it is wired up that way on the `same54-xpro`, so add this in preparation for that.

### Testing procedure

No changes in existing boards.

### Issues/PRs references

Examples: Fixes #1234. See also #5678. Depends on PR #9876.

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-- Commit Summary --

  * drivers/mtd_spi_nor: enable 32 bit addressing
  * drivers/mtd_spi_nor: define WP and HOLD pin
  * boards: define mtd_spi_nor HOLD and WP pins

-- File Changes --

    M boards/ikea-tradfri/board.c (2)
    M boards/mulle/board.c (4)
    M boards/nrf52840dk/mtd.c (2)
    M boards/pinetime/board.c (2)
    M boards/serpente/board.c (2)
    M boards/weact-f411ce/board.c (2)
    M drivers/include/mtd_spi_nor.h (2)
    M drivers/mtd_spi_nor/mtd_spi_nor.c (32)

-- Patch Links --


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