On 07/10/2019 15:16, Anand Moon wrote: > Using microSD card we cannot get the mainline kernel to boot What's the link with microSD card here ? > using mainline u-boot it fails with below logs. > Build PWM_MESSON as build-in solve the issue. > > [ 1.569240] meson-gx-mmc ffe05000.sd: Got CD GPIO > [ 1.599227] pwm-regulator regulator-vddcpu-a: Failed to get PWM: -517 > [ 1.600605] pwm-regulator regulator-vddcpu-b: Failed to get PWM: -517 > [ 1.607166] pwm-regulator regulator-vddcpu-a: Failed to get PWM: -517 > [ 1.613273] pwm-regulator regulator-vddcpu-b: Failed to get PWM: -517 > [ 1.619931] hctosys: unable to open rtc device (rtc0) > > Cc: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> > Cc: Jerome Brunet <jbrunet@xxxxxxxxxxxx> > Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx> > Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx> > --- > Odroid N2 Schematics says "GPIOC_6 should not pulled low if GPIOC is not > work as SDCARD" Sorry, what's the link with the PWM build-in, and your case ? This comment is linked to the comment in the datasheet: "" If GPIOC is not work as SDIO port, please do not pull CARD_DET(GPIOC_6) low when system booting up, to avoid romcode trying to boot from SD CARD. "" Seems pretty explicit for me. > Is their any other approch to help resolve this issue. > > Boot log failed with cold boot: > [0] https://pastebin.com/cEtWq2iX > --- > arch/arm64/configs/defconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig > index c9a867ac32d4..72f6a7dca0d6 100644 > --- a/arch/arm64/configs/defconfig > +++ b/arch/arm64/configs/defconfig > @@ -774,7 +774,7 @@ CONFIG_MPL3115=m > CONFIG_PWM=y > CONFIG_PWM_BCM2835=m > CONFIG_PWM_CROS_EC=m > -CONFIG_PWM_MESON=m > +CONFIG_PWM_MESON=y > CONFIG_PWM_RCAR=m > CONFIG_PWM_ROCKCHIP=y > CONFIG_PWM_SAMSUNG=y > For these changes without the microSD fail description in the commit log : Acked-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
