Re: [PATCH] mmc: Change the frequency to MMC_HS_52 when selecting hs400

2024-09-05 Thread Tom Rini
On Tue, 23 Apr 2024 11:00:57 +0530, Venkatesh Yadav Abbarapu wrote: > Per JESD84-B51 P47, host need to change frequency to <=52MHz > after setting HS_TIMING to 0x1, and host need to set the > 8-bit DDR buswidth. Currently setting the frequency to 26MHz > and trying to switch 8-bit DDR buswidth res

RE: [PATCH] mmc: Change the frequency to MMC_HS_52 when selecting hs400

2024-05-06 Thread Abbarapu, Venkatesh
ATCH] mmc: Change the frequency to MMC_HS_52 when selecting > hs400 > > Per JESD84-B51 P47, host need to change frequency to <=52MHz after setting > HS_TIMING to 0x1, and host need to set the 8-bit DDR buswidth. Currently > setting the frequency to 26MHz and trying to switch 8-bit DDR

[PATCH] mmc: Change the frequency to MMC_HS_52 when selecting hs400

2024-04-22 Thread Venkatesh Yadav Abbarapu
Per JESD84-B51 P47, host need to change frequency to <=52MHz after setting HS_TIMING to 0x1, and host need to set the 8-bit DDR buswidth. Currently setting the frequency to 26MHz and trying to switch 8-bit DDR buswidth resulting timeouts. mmc dev 1 0 Select HS400 failed -110 switch to partitions #