Hi,

I'm trying to bring-up rk3399 SBC with 1GB DDR3 933MHZ capable, and observed an sdram_init issue where data_training_rg transfer is looping forever. The denali_pi[80], and denali_pi[74] seems to be proper values while setting up the particular ranks.

Can anyone encounter similar issue? let me know for any inputs.

Log:

U-Boot SPL board init uclass_find_device_by_seq: 0 -1 uclass_find_device_by_seq: 0 0 - -1 -1 'root_driver' - not found syscon: rockchip_rk3399_pmugrf 4 syscon: rockchip_rk3399_pmusgrf 5 syscon: rockchip_rk3399_cic 6 syscon: rockchip_rk3399_grf 1 uclass_find_device_by_seq: 0 -1 uclass_find_device_by_seq: 0 0 - -1 -1 'rockchip_rk3399_pmugrf' - -1 -1 'rockchip_rk3399_pmusgrf' - -1 -1 'rockchip_rk3399_cic' - -1 -1 'rockchip_rk3399_grf' - not found uclass_find_device_by_seq: 0 -1 uclass_find_device_by_seq: 0 0 - -1 -1 'rockchip_rk3399_pmugrf' - -1 0 'rockchip_rk3399_pmusgrf' - found uclass_find_device_by_seq: 0 1 - -1 -1 'rockchip_rk3399_pmugrf' - -1 0 'rockchip_rk3399_pmusgrf' - -1 -1 'rockchip_rk3399_cic' - -1 -1 'rockchip_rk3399_grf' - not found uclass_find_device_by_seq: 0 -1 uclass_find_device_by_seq: 0 0 - -1 -1 'rockchip_rk3399_pinctrl' - not found uclass_find_device_by_seq: 0 -1 uclass_find_device_by_seq: 0 0 - -1 -1 'rockchip_rk3399_pmugrf' - -1 0 'rockchip_rk3399_pmusgrf' - found uclass_find_device_by_seq: 0 1 - -1 -1 'rockchip_rk3399_pmugrf' - -1 0 'rockchip_rk3399_pmusgrf' - -1 -1 'rockchip_rk3399_cic' - -1 1 'rockchip_rk3399_grf' - found uclass_find_device_by_seq: 0 2 - -1 -1 'rockchip_rk3399_pmugrf' - -1 0 'rockchip_rk3399_pmusgrf' - -1 -1 'rockchip_rk3399_cic' - -1 1 'rockchip_rk3399_grf' - not found rk3399_pinctrl_probe: grf=ff770000, pmugrf=ff320000 uclass_find_device_by_seq: 0 -1 uclass_find_device_by_seq: 0 0 - -1 -1 'rockchip_rk3399_dmc' - not found uclass_find_device_by_seq: 0 -1 uclass_find_device_by_seq: 0 0 - -1 2 'rockchip_rk3399_pmugrf' - -1 0 'rockchip_rk3399_pmusgrf' - found uclass_find_device_by_seq: 0 1 - -1 2 'rockchip_rk3399_pmugrf' - -1 0 'rockchip_rk3399_pmusgrf' - -1 -1 'rockchip_rk3399_cic' - -1 1 'rockchip_rk3399_grf' - found uclass_find_device_by_seq: 0 2 - -1 2 'rockchip_rk3399_pmugrf' - found uclass_find_device_by_seq: 0 3 - -1 2 'rockchip_rk3399_pmugrf' - -1 0 'rockchip_rk3399_pmusgrf' - -1 -1 'rockchip_rk3399_cic' - -1 1 'rockchip_rk3399_grf' - not found uclass_find_device_by_seq: 0 -1 uclass_find_device_by_seq: 0 0 - -1 -1 'rockchip_rk3399_cru' - -1 -1 'rockchip_rk3399_pmucru' - not found uclass_find_device_by_seq: 0 -1 uclass_find_device_by_seq: 0 0 - -1 -1 'rockchip_rk3399_cru' - -1 0 'rockchip_rk3399_pmucru' - found uclass_find_device_by_seq: 0 1 - -1 -1 'rockchip_rk3399_cru' - -1 0 'rockchip_rk3399_pmucru' - not found PLL at ff760000: fbdiv=50, refdiv=1, postdiv1=2, postdiv2=1, vco=1200000 khz, output=600000 khz PLL at ff760020: fbdiv=50, refdiv=1, postdiv1=2, postdiv2=1, vco=1200000 khz, output=600000 khz PLL at ff760080: fbdiv=99, refdiv=2, postdiv1=2, postdiv2=1, vco=1188000 khz, output=594000 khz PLL at ff760060: fbdiv=64, refdiv=1, postdiv1=2, postdiv2=2, vco=1536000 khz, output=384000 khz con reg ffa80000 ffa80800 ffa82000 ffa84000 ffa88000 ffa88800 ffa8a000 ffa8c000 cru ff760000, cic ff620000, grf ff320000, sgrf ff330000, pmucru ff750000 clk_set_rate(clk=ff8ee498, rate=933000000) PLL at ff760040: fbdiv=116, refdiv=1, postdiv1=3, postdiv2=1, vco=2784000 khz, output=928000 khz Starting SDRAM initialization... freq 933, channnels 2 DRAM (pctl_cfg): phy locked after 1 ms pctl_cfg done! call data_training call data_training_wl data_training_wl while(1) data_training_wl while(1) call data_training_rg data_training_rg while(1) data_training_rg while(1) data_training_rg while(1) data_training_rg while(1) data_training_rg while(1) data_training_rg while(1) data_training_rg while(1) data_training_rg while(1)