1# RK1808 Release Note 2 3## rk1808_bl32_v2.04.bin 4 5| Date | File | Build commit | Severity | 6| ---------- | :-------------------- | ------------ | --------- | 7| 2024-04-15 | rk1808_bl32_v2.04.bin | 185dc3c92 | important | 8 9### New 10 111. Optimization parameter check to enhance security. 122. Support printing TEE memory usage information. 132. Hardware crypto supports addresses exceeding 4G. 143. Support printing FWVER information. 15 16------ 17 18## rk1808_bl31_v1.15.elf 19 20| Date | File | Build commit | Severity | 21| ---------- | --------------------- | ------------ | -------- | 22| 2024-01-17 | rk1808_bl31_v1.15.elf | 56fe57e2a | moderate | 23 24### New 25 261. Add support for DDR extension temperature, it is necessary to use the ddrbin file with extension temperature enabled. 27 28------ 29 30## rk1808_ddr_933MHz_v1.06.bin 31 32| Date | File | Build commit | Severity | 33| ---------- | --------------------------- | ------------ | -------- | 34| 2024-01-17 | rk1808_ddr_933MHz_v1.06.bin | 4d116dc75c | moderate | 35 36### New 37 381. Add support for DDR extension temperature which should use ddrbin_tool configuration "ext_temp_ref" to enable. 39 40------ 41 42## rk1808_bl32_v2.03.bin 43 44| Date | File | Build commit | Severity | 45| ---------- | :-------------------- | ------------ | --------- | 46| 2023-08-28 | rk1808_bl32_v2.03.bin | b5340fd65 | important | 47 48### New 49 501. Support pstore for optee log. 512. Enable dynamic SHM. 523. Support check ta encryption key is written. 53 54------ 55 56## rk1808_bl32_v2.02.bin 57 58| Date | File | Build commit | Severity | 59| ---------- | :-------------------- | ------------ | --------- | 60| 2022-09-16 | rk1808_bl32_v2.02.bin | d84087907 | important | 61 62### Fixed 63 64| Index | Severity | Update | Issue description | Issue source | 65| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 66| 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 | - | 67 68------ 69