From: Xavier Drudis Ferran <xdrudis@tinet.cat>
To: u-boot@lists.denx.de
Subject: [PATCH v3 0/4] mtd: spi: spi-nor: rk3399: rock-pi-4: u-boot/next Support SPI NOR Flash in Rock Pi 4 (XTX xt25f32b)
Date: Wed, 20 Jul 2022 17:32:23 +0200 [thread overview]
Message-ID: <20220720153223.GC2049@begut> (raw)
The Radxa Rock Pi 4 board is sold from revision 1.4 with a soldered
4Mb SPI NOR Flash. This series allows to use it from U-Boot and boot
from it.
This series applies to u-boot/master.
Changes since v2:
- rebased on master
- droped 5th path, and enabled CONFIG_SPL_DM_SEQ_ALIAS instead
to have the flash on spi1 both on SPL and U-Boot proper.
Changes since v1:
- Changed bus number to 1 in SPL to match U-Boot proper (before it
was bus 0 in SPL and bus 1 in U-Boot).
- Generalization. v1 did a first soft_reset in 8_8_8_DTR but that
wouldn't work since Pratyush Yadav fixed supports_op() in commit
5752d6ae8daacbd ("spi: spi-mem: add spi_mem_dtr_supports_op()").
So now we try a few protocols until 1_1_1 is supported by
controller and device. Might work for more systems.
next reply other threads:[~2022-07-20 15:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-20 15:32 Xavier Drudis Ferran [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-07-20 15:36 [PATCH v3 0/4] mtd: spi: spi-nor: rk3399: rock-pi-4: u-boot/next Support SPI NOR Flash in Rock Pi 4 (XTX xt25f32b) Xavier Drudis Ferran
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