[PATCH] rockchip: rk3308-rock-s0: Fix SD-card boot on v1.1 hw revision

Quentin Schulz quentin.schulz at cherry.de
Fri Dec 6 13:55:29 CET 2024


Hi Jonas,

On 12/3/24 10:47 PM, Jonas Karlman wrote:
> BootROM leave GPIO4_D6 configured as SDMMC_PWREN function and DW MMC
> driver set PWREN high in dwmci_init().
> 
> However, HW revision prior to v1.2 must pull GPIO4_D6 low to access
> sdmmc. For HW revision v1.2 the state of GPIO4_D6 has no impact.
> 
> Upstream linux-rockchip maintainer tree has merged a patch "arm64: dts:
> rockchip: Fix sdmmc access on rk3308-rock-s0 v1.1 boards" for v6.14 to
> fix this issue.
> 

Would have been nice to provide the commit hash here so we can check 
against it ourselves :)

https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git/commit/?h=v6.14-armsoc/dts64&id=b89a4235eb8cdf1b4bd2f9e4ed096d8adf8994e7

Looks good otherwise,

Reviewed-by: Quentin Schulz <quentin.schulz at cherry.de>

Thanks!
Quentin


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