1# RK3568 Release Note 2 3## rk3568_bl31_v1.37.elf 4 5| Date | File | Build commit | Severity | 6| ---------- | --------------------- | ------------ | --------- | 7| 2023-02-02 | rk3568_bl31_v1.37.elf | 1cd72fefa | important | 8 9### New 10 111. Enable sdei. 122. Support config l3 partition according to atags. 13 14------ 15 16## rk3568_ddr_{1560...324}MHz_v1.15.bin 17 18| Date | File | Build commit | Severity | 19| ---------- | ------------------------------------ | ------------ | --------- | 20| 2022-11-08 | rk3568_ddr_{1560...324}MHz_v1.15.bin | ec2fae0c96 | important | 21 22### Fixed 23 24| Index | Severity | Update | Issue description | Issue source | 25| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 26| 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 | - | 27 28------ 29 30## rk3568_bl31_v1.36.elf 31 32| Date | File | Build commit | Severity | 33| ---------- | --------------------- | ------------ | --------- | 34| 2022-11-08 | rk3568_bl31_v1.36.elf | 2c8be93f9 | important | 35 36### Fixed 37 38| Index | Severity | Update | Issue description | Issue source | 39| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 40| 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 | - | 41 42------ 43 44## rk356x_usbplug_v1.16.bin 45 46| Date | File | Build commit | Severity | 47| ---------- | :----------------------- | ------------ | -------- | 48| 2022-11-02 | rk356x_usbplug_v1.16.bin | eaaeb1 | moderate | 49 50### New 51 521. Support more spiflash. 53 54------ 55 56## rk3568_bl31_v1.35.elf 57 58| Date | File | Build commit | Severity | 59| ---------- | :-------------------- | ------------ | --------- | 60| 2022-10-24 | rk3568_bl31_v1.35.elf | cddd6f52e | important | 61 62### Fixed 63 64| Index | Severity | Update | Issue description | Issue source | 65| ----- | --------- | --------------------------------------------------------- | ------------------------------------------------------------ | ------------ | 66| 1 | important | fix the suspend/resume stability problem, the PCIE suspend fail. | Linux kernel doesn't save/restore GICR, so we need do it if vdd_logic is off in suspend. | - | 67 68------ 69 70## rk356{x_usbplug, 8_miniloader_spinand}_v1.15.bin 71 72| Date | File | Build commit | Severity | 73| ---------- | :----------------------------------------------- | ------------ | -------- | 74| 2022-09-26 | rk356{x_usbplug, 8_miniloader_spinand}_v1.15.bin | 65048d1 | moderate | 75 76### New 77 781. Support more spiflash. 79 80------ 81 82## rk3568_bl32_v2.09.bin 83 84| Date | File | Build commit | Severity | 85| ---------- | :-------------------- | ------------ | --------- | 86| 2022-09-16 | rk3568_bl32_v2.09.bin | d84087907 | important | 87 88### Fixed 89 90| Index | Severity | Update | Issue description | Issue source | 91| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 92| 1 | important | Solve the problem that OPTEE is stuck during startup when printing is closed | User use /rkbin/tools/ddrbin_tool to close printing , then rk_atags will notify OPTEE to disable printing, When OPTEE starts, it will be stuck and unable to enter U-Boot | - | 93 94------ 95 96## rk3568_ddr_{1560...324}MHz_v1.14.bin 97 98| Date | File | Build commit | Severity | 99| ---------- | :----------------------------------- | ------------ | --------- | 100| 2022-08-27 | rk3568_ddr_{1560...324}MHz_v1.14.bin | b1f29a2a6f | important | 101 102### Fixed 103 104| Index | Severity | Update | Issue description | Issue source | 105| ----- | --------- | --------------------------------------------------------- | ------------------------------------------------------------ | ------------ | 106| 1 | important | fix some LPDDR4 stability problem | CXMT CXDB5CCAM-MK instability for 1560MHz at LPDDR4 mode. Fix this issue by set CLK/CA slew rate from 0xf to 0x0 . | - | 107| 2 | 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. | - | 108| 3 | important | fix ddr4 528M stability problem | some DRAM DLL can't lock at 528M，DLL should be bypass for 528M | - | 109| | important | fix ddr4 1560M stability problem | some 2 rank DDR4 PCB DQS/DQ slew rate should be set to 0x0 when running at1560MHz. | - | 110 111------ 112