Hi On Fri, Dec 4, 2020 at 10:44 PM Michael Nazzareno Trimarchi <mich...@amarulasolutions.com> wrote: > > Hi Peng > > I have a design with imx6ull that is running properly according to the > manufacturer with the old REFTOP_VBGA set > BM_ANADIG_ANA_MISC0_REFTOP_VBGADJ,. With this commit, the TJunction of > the CPU is around 8 degree more than without. The commit message does > not provide any info > > According to the design team, we need to set REFTOP_VBGADJ > in PMU MISC0 according to the REFTOP_TRIM[2:0] fuse. the > actually table is as below: > > '000" - set REFTOP_VBGADJ[2:0] to 3'b000 > '001" - set REFTOP_VBGADJ[2:0] to 3'b001 > '010" - set REFTOP_VBGADJ[2:0] to 3'b010 > '011" - set REFTOP_VBGADJ[2:0] to 3'b011 > '100" - set REFTOP_VBGADJ[2:0] to 3'b100 > '101" - set REFTOP_VBGADJ[2:0] to 3'b101 > '110" - set REFTOP_VBGADJ[2:0] to 3'b110 > '111" - set REFTOP_VBGADJ[2:0] to 3'b111 > > Can someone describe to me better? The device needs to run in a very > hot environment and 10 to 8 degrees on the junction > are really important.
I think that is used as reference temperatur too, for measuring temperature in the processor. I think that i need to ask to us a thermal camera Michael > > In the same environment: > temp without this patch 34 > temp with is 43 > > Register value is > 0x240080E8 > and > 0x24008088 > > Michael > > > -- > Michael Nazzareno Trimarchi > Amarula Solutions BV > COO Co-Founder > Cruquiuskade 47 Amsterdam 1018 AM NL > T. +31(0)851119172 > M. +39(0)3479132170 > [`as] https://www.amarulasolutions.com -- Michael Nazzareno Trimarchi Amarula Solutions BV COO Co-Founder Cruquiuskade 47 Amsterdam 1018 AM NL T. +31(0)851119172 M. +39(0)3479132170 [`as] https://www.amarulasolutions.com