1# RK3566 Release Note 2 3## rk3566_ddr_{1056...920}MHz_v1.18.bin 4 5| Date | File | Build commit | Severity | 6| ---------- | ------------------------------------ | ------------ | --------- | 7| 2023-07-17 | rk3566_ddr_{1056...920}MHz_v1.18.bin | f366f69a7d | important | 8 9### Fixed 10 11| Index | Severity | Update | Issue description | Issue source | 12| ----- | -------- | ------------------------------------------------ | ------------------------------------- | ------------ | 13| 1 | important | Fixed the suspend/resume function crash problem caused by DDR active_ranks configuration error | Suspend/resume function crash | - | 14 15------ 16 17## rk3566_ddr_{1056...324}MHz_v1.17.bin 18 19| Date | File | Build commit | Severity | 20| ---------- | ------------------------------------ | ------------ | --------- | 21| 2023-06-20 | rk3566_ddr_{1056...324}MHz_v1.17.bin | 992b933606 | important | 22 23### New 24 251. Added support for 4rank LPDDR3/LPDDR4/LPDDR4x of different rows. 262. Enable derate function for LPDDR4/LPDDR4x. 27 28------ 29 30## rk3566_ddr_1056MHz_eyescan_v1.16.bin 31 32| Date | File | Build commit | Severity | 33| ---------- | :----------------------------------- | ------------ | --------- | 34| 2023-04-19 | rk3566_ddr_1056MHz_eyescan_v1.16.bin | b9c108a4eb | important | 35 36### New 37 381. Add RK3566 2D eye scan support. 39 40------ 41 42## rk3566_ddr_{1056...324}MHz_v1.16.bin 43 44| Date | File | Build commit | Severity | 45| ---------- | ------------------------------------ | ------------ | --------- | 46| 2022-11-16 | rk3566_ddr_{1056...324}MHz_v1.16.bin | 6f71c736ce | important | 47 48### New 49 501. RK3568J/RK3568M use 1/2tREFI except LPDDR4/LPDDR4x. LPDDR4/LPDDR4x use derate mode. 512. TREFI, pageclose configurable by ddrbin tool. 523. Improve DDR4 performance. 53 54### Fixed 55 56| Index | Severity | Update | Issue description | Issue source | 57| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 58| 1 | important | To solve the instability problem of some ddr4 when DDR run in 528MHz. | When DDR4 run in 528MHz, the system would unstable, causing a crash and restart | - | 59| 2 | important | To solve 4GB ECC board Init fail bug | 4GB DDR4 board may crash in ddrbin | | 60 61------ 62 63## rk3566_ddr_{1056...324}MHz_v1.15.bin 64 65| Date | File | Build commit | Severity | 66| ---------- | ------------------------------------ | ------------ | --------- | 67| 2022-11-08 | rk3566_ddr_{1056...324}MHz_v1.15.bin | ec2fae0c96 | important | 68 69### Fixed 70 71| Index | Severity | Update | Issue description | Issue source | 72| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 73| 1 | important | To solve the instability problem of some chips when DDR run in 324MHz. | When DDR run in 324MHz, the system would unstable, causing a crash and restart | - | 74 75------ 76 77## rk3566_ddr_{1056...324}MHz_v1.14.bin 78 79| Date | File | Build commit | Severity | 80| ---------- | :----------------------------------- | ------------ | --------- | 81| 2022-08-27 | rk3566_ddr_{1056...324}MHz_v1.14.bin | b1f29a2a6f | important | 82 83### Fixed 84 85| Index | Severity | Update | Issue description | Issue source | 86| ----- | --------- | --------------------------------------------------------- | ------------------------------------------------------------ | ------------ | 87| 1 | moderate | fix Fix set of t_xs_x32, t_xs_abort_x32 and t_xs_fast_x32 | Fix set of t_xs_x32, t_xs_abort_x32 and t_xs_fast_x32.This bug may lead to some low density dram(128M) fail. | - | 88| 2 | important | fix ddr4 528M stability problem | some DRAM DLL can't lock at 528M，DLL should be bypass for 528M | - | 89 90------ 91