Hi Marcel, Am Di., 19. Okt. 2021 um 11:47 Uhr schrieb Marcel Ziswiler <[email protected]>: > > Hi Heiko > > On Mon, 2021-10-18 at 11:23 +0200, Heiko Thiery wrote: > > Hi all, > > > > I see that in the NXP firmware-imx package different versions of the > > LPDDR4 train firmware is included but I cannot find a Release Note or > > something else that describes the differences. Does anyone know what > > is the correct version to be used? > > Doesn't it depend on which generation of MScale one is using? > > Anyway, from NXP's user guide [1]: > > For i.MX 8M Quad and i.MX 8M Mini LPDDR4 EVK, copy > lpddr4_pmu_train_1d_dmem.bin, > lpddr4_pmu_train_1d_imem.bin, lpddr4_pmu_train_2d_dmem.bin, and > lpddr4_pmu_train_2d_imem.bin from > firmware/ddr/synopsys of firmware-imx package to imx-mkimage/iMX8M/. > > For i.MX 8M Mini DDR4 EVK, copy ddr4_imem_1d.bin, ddr4_dmem_1d.bin, > ddr4_imem_2d.bin, and ddr4_dmem_2d.bin > from firmware/ddr/synopsys of firmware-imx package to imx-mkimage/iMX8M. > > For i.MX 8M Plus LPDDR4 EVK, copy lpddr4_pmu_train_1d_dmem_201904.bin, > lpddr4_pmu_train_1d_imem_201904.bin, > lpddr4_pmu_train_2d_dmem_201904.bin, and lpddr4_pmu_train_2d_imem_201904.bin > from firmware/ddr/synopsys of > firmware-imx package to imx-mkimage/iMX8M/.
Ok, I didn't even notice that and I just wanted to make sure I was using the right ones here. Maybe someone can tell us the use case for the "*_202006.bin" files. > So their latest documentation does not even mention the later firmware > available! > > > Here is the content of the latest NXP release: > > lpddr4_pmu_train_1d_dmem_201904.bin > > lpddr4_pmu_train_1d_dmem_202006.bin > > lpddr4_pmu_train_1d_dmem.bin > > lpddr4_pmu_train_1d_imem_201904.bin > > lpddr4_pmu_train_1d_imem_202006.bin > > lpddr4_pmu_train_1d_imem.bin > > lpddr4_pmu_train_2d_dmem_201904.bin > > lpddr4_pmu_train_2d_dmem_202006.bin > > lpddr4_pmu_train_2d_dmem.bin > > lpddr4_pmu_train_2d_imem_201904.bin > > lpddr4_pmu_train_2d_imem_202006.bin > > lpddr4_pmu_train_2d_imem.bin > > [1] https://www.nxp.com/docs/en/user-guide/IMX_LINUX_USERS_GUIDE.pdf > > > Thanks > > Cheers Thanks, Heiko
