1# RK1808 Release Note 2 3## rk1808_bl31_v1.16.elf 4 5| Date | File | Build commit | Severity | 6| ---------- | :-------------------- | ------------ | --------- | 7| 2025-03-19 | rk1808_bl31_v1.16.elf | 40d83c38a | important | 8 9### New 10 111. Add RK1806K support. 12 13------ 14 15## rk1808_{usbplug,miniloader}_v1.09.bin 16 17| Date | File | Build commit | Severity | 18| ---------- | :-------------------- | ------------ | --------- | 19| 2025-03-20 | rk1808_{usbplug,miniloader}_v1.09.bin | d95723096 | important | 20 21### New 22 231. Add RK1806K support. 24 25------ 26 27## rk1808_bl32_v2.05.bin 28 29| Date | File | Build commit | Severity | 30| ---------- | :-------------------- | ------------ | --------- | 31| 2024-10-30 | rk1808_bl32_v2.05.bin | 9f2aca7d1 | important | 32 33### New 34 351. Add support for soft ta encryption key. 362. RPMB support read data to multiple times. 37 38------ 39 40## rk1808_bl32_v2.04.bin 41 42| Date | File | Build commit | Severity | 43| ---------- | :-------------------- | ------------ | --------- | 44| 2024-04-15 | rk1808_bl32_v2.04.bin | 185dc3c92 | important | 45 46### New 47 481. Optimization parameter check to enhance security. 492. Support printing TEE memory usage information. 502. Hardware crypto supports addresses exceeding 4G. 513. Support printing FWVER information. 52 53------ 54 55## rk1808_bl31_v1.15.elf 56 57| Date | File | Build commit | Severity | 58| ---------- | --------------------- | ------------ | -------- | 59| 2024-01-17 | rk1808_bl31_v1.15.elf | 56fe57e2a | moderate | 60 61### New 62 631. Add support for DDR extension temperature, it is necessary to use the ddrbin file with extension temperature enabled. 64 65------ 66 67## rk1808_ddr_933MHz_v1.06.bin 68 69| Date | File | Build commit | Severity | 70| ---------- | --------------------------- | ------------ | -------- | 71| 2024-01-17 | rk1808_ddr_933MHz_v1.06.bin | 4d116dc75c | moderate | 72 73### New 74 751. Add support for DDR extension temperature which should use ddrbin_tool configuration "ext_temp_ref" to enable. 76 77------ 78 79## rk1808_bl32_v2.03.bin 80 81| Date | File | Build commit | Severity | 82| ---------- | :-------------------- | ------------ | --------- | 83| 2023-08-28 | rk1808_bl32_v2.03.bin | b5340fd65 | important | 84 85### New 86 871. Support pstore for optee log. 882. Enable dynamic SHM. 893. Support check ta encryption key is written. 90 91------ 92 93## rk1808_bl32_v2.02.bin 94 95| Date | File | Build commit | Severity | 96| ---------- | :-------------------- | ------------ | --------- | 97| 2022-09-16 | rk1808_bl32_v2.02.bin | d84087907 | important | 98 99### Fixed 100 101| Index | Severity | Update | Issue description | Issue source | 102| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 103| 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 | - | 104 105------ 106