1*4882a593Smuzhiyun# RK3308 Release Note 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun## rk3308_bl31_cpu3_v1.00.elf 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun| Date | File | Build commit | Severity | 6*4882a593Smuzhiyun| ---------- | :------------------------- | ------------ | -------- | 7*4882a593Smuzhiyun| 2023-03-16 | rk3308_bl31_cpu3_v1.00.elf | 5fb7b7229 | moderate | 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun### New 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun1. Support boot from CPU3. 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun------ 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun## rk3308_ddr_{589 ... 393}MHz_{uart2_m1, uart4_m0}_v2.07.bin 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun| Date | File | Build commit | Severity | 18*4882a593Smuzhiyun| ---------- | :--------------------------------------------------------- | ------------ | -------- | 19*4882a593Smuzhiyun| 2022-11-29 | rk3308_ddr_{589 ... 393}MHz_{uart2_m1, uart4_m0}_v2.07.bin | 6ede97a868 | moderate | 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun### Fixed 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun| Index | Severity | Update | Issue description | Issue source | 24*4882a593Smuzhiyun| ----- | -------- | -------------------------------------------------------- | ------------------------------------------------------------ | ------------ | 25*4882a593Smuzhiyun| 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. | - | 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun------ 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun## rk3308_bl31_{aarch32}_v2.26.elf 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun| Date | File | Build commit | Severity | 32*4882a593Smuzhiyun| ---------- | :------------------------------ | ------------ | --------- | 33*4882a593Smuzhiyun| 2022-09-28 | rk3308_bl31_{aarch32}_v2.26.elf | 0252d5c8f | important | 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun### Fixed 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun| Index | Severity | Update | Issue description | Issue source | 38*4882a593Smuzhiyun| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 39*4882a593Smuzhiyun| 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 | 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun------ 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun## rk3308_bl32_v2.05.bin 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun| Date | File | Build commit | Severity | 46*4882a593Smuzhiyun| ---------- | :-------------------- | ------------ | --------- | 47*4882a593Smuzhiyun| 2022-09-16 | rk3308_bl32_v2.05.bin | d84087907 | important | 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun### Fixed 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun| Index | Severity | Update | Issue description | Issue source | 52*4882a593Smuzhiyun| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 53*4882a593Smuzhiyun| 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 | - | 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun------ 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun## rk3308_{miniloader, usbplug}_v1.39.bin 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun| Date | File | Build commit | Severity | 60*4882a593Smuzhiyun| ---------- | :------------------------------------- | ------- | -------- | 61*4882a593Smuzhiyun| 2022-09-08 | rk3308_{miniloader, usbplug}_v1.39.bin | 97d7a6 | moderate | 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun### New 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun1. Check ftl super block 2nd page spare data. 66