1# RK3568 Release Note 2 3## rk3568_bl31_v1.39.elf 4 5| Date | File | Build commit | Severity | 6| ---------- | --------------------- | ------------ | --------- | 7| 2023-04-13 | rk3568_bl31_v1.39.elf | 0d745c7b1 | important | 8 9### New 10 111. Improve the stability of otp. 12 13------ 14 15## rk3568_ddr_{1056...324}MHz_v1.16.bin 16 17| Date | File | Build commit | Severity | 18| ---------- | ------------------------------------ | ------------ | --------- | 19| 2023-02-26 | rk3568_ddr_{1056...324}MHz_v1.16.bin | 6f71c736ce | important | 20 21### New 22 231. RK3568J/RK3568M use 1/2tREFI except LPDDR4/LPDDR4x. LPDDR4/LPDDR4x use derate mode. 242. TREFI, pageclose configurable by ddrbin tool. 253. Improve DDR4 performance. 26 27### Fixed 28 29| Index | Severity | Update | Issue description | Issue source | 30| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 31| 1 | important | To solve the instability problem of some ddr4 when DDR run in 528MHz. | When DDR4 run in 528MHz, the system would unstable, causing a crash and restart | - | 32| 2 | important | To solve 4GB ECC board Init fail bug | 4GB DDR4 board may crash in ddrbin | | 33 34------ 35 36## rk3568_bl31_v1.38.elf 37 38| Date | File | Build commit | Severity | 39| ---------- | --------------------- | ------------ | --------- | 40| 2023-02-16 | rk3568_bl31_v1.38.elf | 94b2d40dc | important | 41 42### New 43 441. Improve the stability of sdei. 45 46------ 47 48## rk3568_bl31_v1.37.elf 49 50| Date | File | Build commit | Severity | 51| ---------- | --------------------- | ------------ | --------- | 52| 2023-02-02 | rk3568_bl31_v1.37.elf | 1cd72fefa | important | 53 54### New 55 561. Enable sdei. 572. Support config l3 partition according to atags. 58 59------ 60 61## rk3568_ddr_{1560...324}MHz_v1.15.bin 62 63| Date | File | Build commit | Severity | 64| ---------- | ------------------------------------ | ------------ | --------- | 65| 2022-11-08 | rk3568_ddr_{1560...324}MHz_v1.15.bin | ec2fae0c96 | important | 66 67### Fixed 68 69| Index | Severity | Update | Issue description | Issue source | 70| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 71| 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 | - | 72 73------ 74 75## rk3568_bl31_v1.36.elf 76 77| Date | File | Build commit | Severity | 78| ---------- | --------------------- | ------------ | --------- | 79| 2022-11-08 | rk3568_bl31_v1.36.elf | 2c8be93f9 | important | 80 81### Fixed 82 83| Index | Severity | Update | Issue description | Issue source | 84| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 85| 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 | - | 86 87------ 88 89## rk356x_usbplug_v1.16.bin 90 91| Date | File | Build commit | Severity | 92| ---------- | :----------------------- | ------------ | -------- | 93| 2022-11-02 | rk356x_usbplug_v1.16.bin | eaaeb1 | moderate | 94 95### New 96 971. Support more spiflash. 98 99------ 100 101## rk3568_bl31_v1.35.elf 102 103| Date | File | Build commit | Severity | 104| ---------- | :-------------------- | ------------ | --------- | 105| 2022-10-24 | rk3568_bl31_v1.35.elf | cddd6f52e | important | 106 107### Fixed 108 109| Index | Severity | Update | Issue description | Issue source | 110| ----- | --------- | --------------------------------------------------------- | ------------------------------------------------------------ | ------------ | 111| 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. | - | 112 113------ 114 115## rk356{x_usbplug, 8_miniloader_spinand}_v1.15.bin 116 117| Date | File | Build commit | Severity | 118| ---------- | :----------------------------------------------- | ------------ | -------- | 119| 2022-09-26 | rk356{x_usbplug, 8_miniloader_spinand}_v1.15.bin | 65048d1 | moderate | 120 121### New 122 1231. Support more spiflash. 124 125------ 126 127## rk3568_bl32_v2.09.bin 128 129| Date | File | Build commit | Severity | 130| ---------- | :-------------------- | ------------ | --------- | 131| 2022-09-16 | rk3568_bl32_v2.09.bin | d84087907 | important | 132 133### Fixed 134 135| Index | Severity | Update | Issue description | Issue source | 136| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 137| 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 | - | 138 139------ 140 141## rk3568_ddr_{1560...324}MHz_v1.14.bin 142 143| Date | File | Build commit | Severity | 144| ---------- | :----------------------------------- | ------------ | --------- | 145| 2022-08-27 | rk3568_ddr_{1560...324}MHz_v1.14.bin | b1f29a2a6f | important | 146 147### Fixed 148 149| Index | Severity | Update | Issue description | Issue source | 150| ----- | --------- | --------------------------------------------------------- | ------------------------------------------------------------ | ------------ | 151| 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 . | - | 152| 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. | - | 153| 3 | important | fix ddr4 528M stability problem | some DRAM DLL can't lock at 528M，DLL should be bypass for 528M | - | 154| | important | fix ddr4 1560M stability problem | some 2 rank DDR4 PCB DQS/DQ slew rate should be set to 0x0 when running at1560MHz. | - | 155 156------ 157