1# RK3308 Release Note 2 3## rk3308_bl32_v2.06.bin 4 5| Date | File | Build commit | Severity | 6| ---------- | :-------------------- | ------------ | --------- | 7| 2023-08-28 | rk3308_bl32_v2.06.bin | b5340fd65 | important | 8 9### New 10 111. Support pstore for optee log. 122. Enable dynamic SHM. 133. Support check ta encryption key is written. 14 15------ 16 17## rk3308_bl31_cpu3_v1.00.elf 18 19| Date | File | Build commit | Severity | 20| ---------- | :------------------------- | ------------ | -------- | 21| 2023-03-16 | rk3308_bl31_cpu3_v1.00.elf | 5fb7b7229 | moderate | 22 23### New 24 251. Support boot from CPU3. 26 27------ 28 29## rk3308_ddr_{589 ... 393}MHz_{uart2_m1, uart4_m0}_v2.07.bin 30 31| Date | File | Build commit | Severity | 32| ---------- | :--------------------------------------------------------- | ------------ | -------- | 33| 2022-11-29 | rk3308_ddr_{589 ... 393}MHz_{uart2_m1, uart4_m0}_v2.07.bin | 6ede97a868 | moderate | 34 35### Fixed 36 37| Index | Severity | Update | Issue description | Issue source | 38| ----- | -------- | -------------------------------------------------------- | ------------------------------------------------------------ | ------------ | 39| 1 | moderate | Improve the stability of some DDR in RK3308B/H at 393MHz | When RK3308B/H is less than 451MHz, the value of read DQS DLL delay is inaccurately configured. As a result, some DDR may be unstable at 393MHz. | - | 40 41------ 42 43## rk3308_bl31_{aarch32}_v2.26.elf 44 45| Date | File | Build commit | Severity | 46| ---------- | :------------------------------ | ------------ | --------- | 47| 2022-09-28 | rk3308_bl31_{aarch32}_v2.26.elf | 0252d5c8f | important | 48 49### Fixed 50 51| Index | Severity | Update | Issue description | Issue source | 52| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 53| 1 | important | Solve the wdt reset while system suspend. Handle solution: bl31 disables pclk_wdt before sleep and resume it after wakeup. | The kernel can't disable secure pclk_wdt, it results in wdt reset. | 375529 | 54 55------ 56 57## rk3308_bl32_v2.05.bin 58 59| Date | File | Build commit | Severity | 60| ---------- | :-------------------- | ------------ | --------- | 61| 2022-09-16 | rk3308_bl32_v2.05.bin | d84087907 | important | 62 63### Fixed 64 65| Index | Severity | Update | Issue description | Issue source | 66| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 67| 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 | - | 68 69------ 70 71## rk3308_{miniloader, usbplug}_v1.39.bin 72 73| Date | File | Build commit | Severity | 74| ---------- | :------------------------------------- | ------- | -------- | 75| 2022-09-08 | rk3308_{miniloader, usbplug}_v1.39.bin | 97d7a6 | moderate | 76 77### New 78 791. Check ftl super block 2nd page spare data. 80