1# RK3566 Release Note 2 3## rk356x_spl_v1.13.bin 4 5| Date | File | Build commit | Severity | 6| ---------- | -------------------- | ------------ | --------- | 7| 2023-09-25 | rk356x_spl_v1.13.bin | e4e124926e | important | 8 9### New 10 111. Print and pass the firmware version number. 12 13### Fixed 14 15| Index | Severity | Update | Issue description | Issue source | 16| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 17| 1 | important | Solve the issue that the backup image is not loaded when the SPL load or check u-boot.dtb fails | When u-boot.dtb of the first uboot.img is corrupted, SPL doesn't load the backup image. | - | 18 19------ 20 21## rk3566_ddr_{1056...920}MHz_v1.18.bin 22 23| Date | File | Build commit | Severity | 24| ---------- | ------------------------------------ | ------------ | --------- | 25| 2023-07-17 | rk3566_ddr_{1056...920}MHz_v1.18.bin | f366f69a7d | important | 26 27### Fixed 28 29| Index | Severity | Update | Issue description | Issue source | 30| ----- | -------- | ------------------------------------------------ | ------------------------------------- | ------------ | 31| 1 | important | Fixed the suspend/resume function crash problem caused by DDR active_ranks configuration error | Suspend/resume function crash | - | 32 33------ 34 35## rk3566_ddr_{1056...324}MHz_v1.17.bin 36 37| Date | File | Build commit | Severity | 38| ---------- | ------------------------------------ | ------------ | --------- | 39| 2023-06-20 | rk3566_ddr_{1056...324}MHz_v1.17.bin | 992b933606 | important | 40 41### New 42 431. Added support for 4rank LPDDR3/LPDDR4/LPDDR4x of different rows. 442. Enable derate function for LPDDR4/LPDDR4x. 45 46------ 47 48## rk3566_ddr_1056MHz_eyescan_v1.16.bin 49 50| Date | File | Build commit | Severity | 51| ---------- | :----------------------------------- | ------------ | --------- | 52| 2023-04-19 | rk3566_ddr_1056MHz_eyescan_v1.16.bin | b9c108a4eb | important | 53 54### New 55 561. Add RK3566 2D eye scan support. 57 58------ 59 60## rk3566_ddr_{1056...324}MHz_v1.16.bin 61 62| Date | File | Build commit | Severity | 63| ---------- | ------------------------------------ | ------------ | --------- | 64| 2022-11-16 | rk3566_ddr_{1056...324}MHz_v1.16.bin | 6f71c736ce | important | 65 66### New 67 681. RK3568J/RK3568M use 1/2tREFI except LPDDR4/LPDDR4x. LPDDR4/LPDDR4x use derate mode. 692. TREFI, pageclose configurable by ddrbin tool. 703. Improve DDR4 performance. 71 72### Fixed 73 74| Index | Severity | Update | Issue description | Issue source | 75| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 76| 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 | - | 77| 2 | important | To solve 4GB ECC board Init fail bug | 4GB DDR4 board may crash in ddrbin | | 78 79------ 80 81## rk3566_ddr_{1056...324}MHz_v1.15.bin 82 83| Date | File | Build commit | Severity | 84| ---------- | ------------------------------------ | ------------ | --------- | 85| 2022-11-08 | rk3566_ddr_{1056...324}MHz_v1.15.bin | ec2fae0c96 | important | 86 87### Fixed 88 89| Index | Severity | Update | Issue description | Issue source | 90| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 91| 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 | - | 92 93------ 94 95## rk3566_ddr_{1056...324}MHz_v1.14.bin 96 97| Date | File | Build commit | Severity | 98| ---------- | :----------------------------------- | ------------ | --------- | 99| 2022-08-27 | rk3566_ddr_{1056...324}MHz_v1.14.bin | b1f29a2a6f | important | 100 101### Fixed 102 103| Index | Severity | Update | Issue description | Issue source | 104| ----- | --------- | --------------------------------------------------------- | ------------------------------------------------------------ | ------------ | 105| 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. | - | 106| 2 | important | fix ddr4 528M stability problem | some DRAM DLL can't lock at 528M，DLL should be bypass for 528M | - | 107 108------ 109