1# RK3568 Release Note 2 3## rk3568_ddr_{1056...324}MHz_v1.16.bin 4 5| Date | File | Build commit | Severity | 6| ---------- | ------------------------------------ | ------------ | --------- | 7| 2023-02-26 | rk3568_ddr_{1056...324}MHz_v1.16.bin | 6f71c736ce | important | 8 9### New 10 111. RK3568J/RK3568M use 1/2tREFI except LPDDR4/LPDDR4x. LPDDR4/LPDDR4x use derate mode. 122. TREFI, pageclose configurable by ddrbin tool. 133. Improve DDR4 performance. 14 15### Fixed 16 17| Index | Severity | Update | Issue description | Issue source | 18| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 19| 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 | - | 20| 2 | important | To solve 4GB ECC board Init fail bug | 4GB DDR4 board may crash in ddrbin | | 21 22------ 23 24## rk3568_bl31_v1.38.elf 25 26| Date | File | Build commit | Severity | 27| ---------- | --------------------- | ------------ | --------- | 28| 2023-02-16 | rk3568_bl31_v1.38.elf | 94b2d40dc | important | 29 30### New 31 321. Improve the stability of sdei. 33 34------ 35 36## rk3568_bl31_v1.37.elf 37 38| Date | File | Build commit | Severity | 39| ---------- | --------------------- | ------------ | --------- | 40| 2023-02-02 | rk3568_bl31_v1.37.elf | 1cd72fefa | important | 41 42### New 43 441. Enable sdei. 452. Support config l3 partition according to atags. 46 47------ 48 49## rk3568_ddr_{1560...324}MHz_v1.15.bin 50 51| Date | File | Build commit | Severity | 52| ---------- | ------------------------------------ | ------------ | --------- | 53| 2022-11-08 | rk3568_ddr_{1560...324}MHz_v1.15.bin | ec2fae0c96 | important | 54 55### Fixed 56 57| Index | Severity | Update | Issue description | Issue source | 58| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 59| 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 | - | 60 61------ 62 63## rk3568_bl31_v1.36.elf 64 65| Date | File | Build commit | Severity | 66| ---------- | --------------------- | ------------ | --------- | 67| 2022-11-08 | rk3568_bl31_v1.36.elf | 2c8be93f9 | important | 68 69### Fixed 70 71| Index | Severity | Update | Issue description | Issue source | 72| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 73| 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 | - | 74 75------ 76 77## rk356x_usbplug_v1.16.bin 78 79| Date | File | Build commit | Severity | 80| ---------- | :----------------------- | ------------ | -------- | 81| 2022-11-02 | rk356x_usbplug_v1.16.bin | eaaeb1 | moderate | 82 83### New 84 851. Support more spiflash. 86 87------ 88 89## rk3568_bl31_v1.35.elf 90 91| Date | File | Build commit | Severity | 92| ---------- | :-------------------- | ------------ | --------- | 93| 2022-10-24 | rk3568_bl31_v1.35.elf | cddd6f52e | important | 94 95### Fixed 96 97| Index | Severity | Update | Issue description | Issue source | 98| ----- | --------- | --------------------------------------------------------- | ------------------------------------------------------------ | ------------ | 99| 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. | - | 100 101------ 102 103## rk356{x_usbplug, 8_miniloader_spinand}_v1.15.bin 104 105| Date | File | Build commit | Severity | 106| ---------- | :----------------------------------------------- | ------------ | -------- | 107| 2022-09-26 | rk356{x_usbplug, 8_miniloader_spinand}_v1.15.bin | 65048d1 | moderate | 108 109### New 110 1111. Support more spiflash. 112 113------ 114 115## rk3568_bl32_v2.09.bin 116 117| Date | File | Build commit | Severity | 118| ---------- | :-------------------- | ------------ | --------- | 119| 2022-09-16 | rk3568_bl32_v2.09.bin | d84087907 | important | 120 121### Fixed 122 123| Index | Severity | Update | Issue description | Issue source | 124| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ | 125| 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 | - | 126 127------ 128 129## rk3568_ddr_{1560...324}MHz_v1.14.bin 130 131| Date | File | Build commit | Severity | 132| ---------- | :----------------------------------- | ------------ | --------- | 133| 2022-08-27 | rk3568_ddr_{1560...324}MHz_v1.14.bin | b1f29a2a6f | important | 134 135### Fixed 136 137| Index | Severity | Update | Issue description | Issue source | 138| ----- | --------- | --------------------------------------------------------- | ------------------------------------------------------------ | ------------ | 139| 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 . | - | 140| 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. | - | 141| 3 | important | fix ddr4 528M stability problem | some DRAM DLL can't lock at 528M，DLL should be bypass for 528M | - | 142| | important | fix ddr4 1560M stability problem | some 2 rank DDR4 PCB DQS/DQ slew rate should be set to 0x0 when running at1560MHz. | - | 143 144------ 145