Re: [RFT PATCH 2/2] mmc: meson-gx: set 270 core phase during the identification

2023-11-10 Thread Jerome Brunet
On Thu 09 Nov 2023 at 16:49, Viacheslav wrote: > After running some tests, I've noticed inconsistent behavior with the eMMC: > On a cold boot (following a shutdown), the eMMC operates as expected within > U-Boot. > On a hot reboot (via the kernel's reboot command), the eMMC sometimes (not >

Re: [RFT PATCH 2/2] mmc: meson-gx: set 270 core phase during the identification

2023-11-09 Thread Viacheslav
After running some tests, I've noticed inconsistent behavior with the eMMC: On a cold boot (following a shutdown), the eMMC operates as expected within U-Boot. On a hot reboot (via the kernel's reboot command), the eMMC sometimes (not always, but if fit in error, next need to do poweroff) does

[RFT PATCH 2/2] mmc: meson-gx: set 270 core phase during the identification

2023-09-15 Thread Jerome Brunet
It has been reported that some devices have problems with a 180 degree core phase. Setting 270 helped some of these devices. Other continue to struggle (while it works fine with 180 in Linux ... :sigh:) Poking around the HW, it seems that setting a 270 core phase during the identification, then us