xref: /rkbin/doc/release/RK3568_EN.md (revision c019c636ef39e45e83ee4d5ddcb696343bfb73ef)
14909cfb1STang Yun ping# RK3568 Release Note
24909cfb1STang Yun ping
3*c019c636SXuhui Lin## rk356x_spl_v1.13.bin
4*c019c636SXuhui Lin
5*c019c636SXuhui Lin| Date       | File                 | Build commit | Severity  |
6*c019c636SXuhui Lin| ---------- | :------------------- | ------------ | --------- |
7*c019c636SXuhui Lin| 2023-09-25 | rk356x_spl_v1.13.bin | e4e124926e   | important |
8*c019c636SXuhui Lin
9*c019c636SXuhui Lin### New
10*c019c636SXuhui Lin
11*c019c636SXuhui Lin1.  Print and pass the firmware version number.
12*c019c636SXuhui Lin
13*c019c636SXuhui Lin### Fixed
14*c019c636SXuhui Lin
15*c019c636SXuhui Lin| Index | Severity  | Update                                                       | Issue description                                            | Issue source |
16*c019c636SXuhui Lin| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ |
17*c019c636SXuhui Lin| 1     | important | Solve the issue that the backup image is not loaded when the SPL load or check u-boot.dtb fails | When u-boot.dtb of the first uboot.img is corrupted, SPL doesn't load the backup image. | -            |
18*c019c636SXuhui Lin
19*c019c636SXuhui Lin------
20*c019c636SXuhui Lin
219f00ec0fSHisping Lin## rk3568_bl32_v2.11.bin
229f00ec0fSHisping Lin
239f00ec0fSHisping Lin| Date       | File                  | Build commit | Severity  |
249f00ec0fSHisping Lin| ---------- | :-------------------- | ------------ | --------- |
259f00ec0fSHisping Lin| 2023-08-28 | rk3568_bl32_v2.11.bin | b5340fd65    | important |
269f00ec0fSHisping Lin
279f00ec0fSHisping Lin### New
289f00ec0fSHisping Lin
299f00ec0fSHisping Lin1.  Pseudo random number seed will be set by default.
309f00ec0fSHisping Lin2. Supports read and write security flag interfaces.
319f00ec0fSHisping Lin3. Support check ta encryption key is written.
329f00ec0fSHisping Lin4. Supports the tokbrick ksn interface.
339f00ec0fSHisping Lin
349f00ec0fSHisping Lin### Fixed
359f00ec0fSHisping Lin
369f00ec0fSHisping Lin| Index | Severity  | Update                                               | Issue description                                 | Issue source |
379f00ec0fSHisping Lin| ----- | --------- | ---------------------------------------------------- | ------------------------------------------------- | ------------ |
389f00ec0fSHisping Lin| 1     | important | Fixed hardware crypto check supported algorithm list | Error will be reported when using hardware crypto | -            |
399f00ec0fSHisping Lin
409f00ec0fSHisping Lin------
419f00ec0fSHisping Lin
4271a9caf4Sshengfei Xu## rk3568_bl31_cpu3_v1.01.elf
4371a9caf4Sshengfei Xu
4471a9caf4Sshengfei Xu| Date       | File                              | Build commit | Severity |
4571a9caf4Sshengfei Xu| ---------- | --------------------------------- | ------------ | -------- |
4671a9caf4Sshengfei Xu| 2023-08-04 | rk3568_bl31_cpu3_v1.01.elf | b3d2ce25a    | moderate |
4771a9caf4Sshengfei Xu
4871a9caf4Sshengfei Xu### New
4971a9caf4Sshengfei Xu
5071a9caf4Sshengfei Xu1. Support CPU3 startup based on the latest bl31 code.
5171a9caf4Sshengfei Xu
5271a9caf4Sshengfei Xu------
5371a9caf4Sshengfei Xu
549512e6dcSTang Yun ping## rk3568_ddr_{1560...920}MHz_v1.18.bin
559512e6dcSTang Yun ping
569512e6dcSTang Yun ping| Date       | File                                 | Build commit | Severity  |
579512e6dcSTang Yun ping| ---------- | ------------------------------------ | ------------ | --------- |
589512e6dcSTang Yun ping| 2023-07-17 | rk3568_ddr_{1560...920}MHz_v1.18.bin | f366f69a7d   | important |
599512e6dcSTang Yun ping
609512e6dcSTang Yun ping### Fixed
619512e6dcSTang Yun ping
629512e6dcSTang Yun ping| Index | Severity | Update                                           | Issue description                     | Issue source |
639512e6dcSTang Yun ping| ----- | -------- | ------------------------------------------------ | ------------------------------------- | ------------ |
649512e6dcSTang Yun ping| 1     | important | Fixed the suspend/resume function crash problem caused by DDR active_ranks configuration error | Suspend/resume function crash | -            |
659512e6dcSTang Yun ping
669512e6dcSTang Yun ping------
679512e6dcSTang Yun ping
68cde2bdb6SXiaoDong Huang## rk3568_bl31_l3_part_ecc_v1.00.elf
69cde2bdb6SXiaoDong Huang
70cde2bdb6SXiaoDong Huang| Date       | File                              | Build commit | Severity |
71cde2bdb6SXiaoDong Huang| ---------- | --------------------------------- | ------------ | -------- |
72cde2bdb6SXiaoDong Huang| 2023-06-20 | rk3568_bl31_l3_part_ecc_v1.00.elf | 6f31c2d8c    | moderate |
73cde2bdb6SXiaoDong Huang
74cde2bdb6SXiaoDong Huang### New
75cde2bdb6SXiaoDong Huang
76cde2bdb6SXiaoDong Huang1. Add initial version: support L3 cache partition and cache ecc.
77cde2bdb6SXiaoDong Huang
78cde2bdb6SXiaoDong Huang------
79cde2bdb6SXiaoDong Huang
802fb47122STang Yun ping## rk3568_ddr_{1056...324}MHz_v1.17.bin
812fb47122STang Yun ping
822fb47122STang Yun ping| Date       | File                                 | Build commit | Severity  |
832fb47122STang Yun ping| ---------- | ------------------------------------ | ------------ | --------- |
842fb47122STang Yun ping| 2023-06-20 | rk3568_ddr_{1056...324}MHz_v1.17.bin | 992b933606   | important |
852fb47122STang Yun ping
862fb47122STang Yun ping### New
872fb47122STang Yun ping
882fb47122STang Yun ping1. Added support for 4rank LPDDR3/LPDDR4/LPDDR4x of different rows.
892fb47122STang Yun ping2. Add DDR ECC poison function support.
902fb47122STang Yun ping3. Enable derate function for LPDDR4/LPDDR4x.
912fb47122STang Yun ping4. Add pstore support when ECC enabled.
922fb47122STang Yun ping
932fb47122STang Yun ping------
942fb47122STang Yun ping
959e447be2SHisping Lin## rk3568_bl32_v2.10.bin
969e447be2SHisping Lin
979e447be2SHisping Lin| Date       | File                  | Build commit | Severity  |
989e447be2SHisping Lin| ---------- | :-------------------- | ------------ | --------- |
999e447be2SHisping Lin| 2023-06-07 | rk3568_bl32_v2.10.bin | dcfdd61d0    | important |
1009e447be2SHisping Lin
1019e447be2SHisping Lin### New
1029e447be2SHisping Lin
1039e447be2SHisping Lin1. Support recovery from OTP backup data after critical OTP data reading errors.
1049e447be2SHisping Lin2. Added the address parameter security check for crypto_service.
1059e447be2SHisping Lin2. Kernel support read secure boot flag and public key hash.
1069e447be2SHisping Lin3. Support dynamic shared memory, and the secure and normal world can transfer more larger data.
1079e447be2SHisping Lin4. BL32 supports pstore, and the kernel can view print info of BL32 through pstore node.
1089e447be2SHisping Lin
1099e447be2SHisping Lin------
1109e447be2SHisping Lin
1111ea59cc6SLiang Chen## rk3568_bl31_v1.43.elf
1121ea59cc6SLiang Chen
1131ea59cc6SLiang Chen| Date       | File                  | Build commit | Severity  |
1141ea59cc6SLiang Chen| ---------- | --------------------- | ------------ | --------- |
1151ea59cc6SLiang Chen| 2023-06-05 | rk3568_bl31_v1.43.elf | bf602aff1    | important |
1161ea59cc6SLiang Chen
1171ea59cc6SLiang Chen### Fixed
1181ea59cc6SLiang Chen
1191ea59cc6SLiang Chen| Index | Severity  | Update                                           | Issue description                     | Issue source |
1201ea59cc6SLiang Chen| ----- | --------  | ------------------------------------------------ | ------------------------------------- | ------------ |
1211ea59cc6SLiang Chen| 1     | important | Fix deadlock for cpuidle when enter bl31  | The system freezes for a while and then return to normal | -   |
1221ea59cc6SLiang Chen
1231ea59cc6SLiang Chen------
1241ea59cc6SLiang Chen
125b2394037SLiang Chen## rk3568_bl31_rt_v1.01.elf
126b2394037SLiang Chen
127b2394037SLiang Chen| Date       | File                     | Build commit | Severity |
128b2394037SLiang Chen| ---------- | ------------------------ | ------------ | -------- |
129b2394037SLiang Chen| 2023-05-11 | rk3568_bl31_rt_v1.01.elf | b28ca126a    | moderate |
130b2394037SLiang Chen
131b2394037SLiang Chen### New
132b2394037SLiang Chen
133b2394037SLiang Chen1. Support adjust pvtpll config by OTP.
134b2394037SLiang Chen2. Adjust default pvtpll config for stability.
135b2394037SLiang Chen
136b2394037SLiang Chen------
137b2394037SLiang Chen
1387fac639aSLiang Chen## rk3568_bl31_v1.42.elf
1397fac639aSLiang Chen
1407fac639aSLiang Chen| Date       | File                  | Build commit | Severity  |
1417fac639aSLiang Chen| ---------- | --------------------- | ------------ | --------- |
1427fac639aSLiang Chen| 2023-05-11 | rk3568_bl31_v1.42.elf | 7f859117f    | important |
1437fac639aSLiang Chen
1447fac639aSLiang Chen### New
1457fac639aSLiang Chen
1467fac639aSLiang Chen1. Support adjust pvtpll config by OTP.
1477fac639aSLiang Chen2. Adjust default pvtpll config for stability.
1487fac639aSLiang Chen
1497fac639aSLiang Chen------
1507fac639aSLiang Chen
1515ebf2e03SYouMin Chen## rk3568_bl31_v1.41.elf
1525ebf2e03SYouMin Chen
1535ebf2e03SYouMin Chen| Date       | File                  | Build commit | Severity |
1545ebf2e03SYouMin Chen| ---------- | --------------------- | ------------ | -------- |
1555ebf2e03SYouMin Chen| 2023-05-06 | rk3568_bl31_v1.41.elf | e24c3f77b    | moderate |
1565ebf2e03SYouMin Chen
1575ebf2e03SYouMin Chen### Fixed
1585ebf2e03SYouMin Chen
1595ebf2e03SYouMin Chen| Index | Severity | Update                                           | Issue description                     | Issue source |
1605ebf2e03SYouMin Chen| ----- | -------- | ------------------------------------------------ | ------------------------------------- | ------------ |
1615ebf2e03SYouMin Chen| 1     | moderate | Change smc_handler ID of DDR ECC poison function | The DDR ECC poison function exception | -            |
1625ebf2e03SYouMin Chen
1635ebf2e03SYouMin Chen------
1645ebf2e03SYouMin Chen
16584e292f2SLiang Chen## rk3568_bl31_rt_v1.00.elf
16684e292f2SLiang Chen
16784e292f2SLiang Chen| Date       | File                     | Build commit | Severity |
16884e292f2SLiang Chen| ---------- | ------------------------ | ------------ | -------- |
16984e292f2SLiang Chen| 2023-05-04 | rk3568_bl31_rt_v1.00.elf | c3f2c8c3a    | moderate |
17084e292f2SLiang Chen
17184e292f2SLiang Chen### New
17284e292f2SLiang Chen
17384e292f2SLiang Chen1. Optimize RT Latency.
17484e292f2SLiang Chen
17584e292f2SLiang Chen------
17684e292f2SLiang Chen
17763b71339STang Yun ping## rk3568_ddr_1560MHz_eyescan_v1.16.bin
17863b71339STang Yun ping
17963b71339STang Yun ping| Date       | File                                 | Build commit | Severity  |
18063b71339STang Yun ping| ---------- | :----------------------------------- | ------------ | --------- |
18163b71339STang Yun ping| 2023-04-19 | rk3568_ddr_1560MHz_eyescan_v1.16.bin | b9c108a4eb   | important |
18263b71339STang Yun ping
18363b71339STang Yun ping### New
18463b71339STang Yun ping
18563b71339STang Yun ping1. Add RK3568 2D eye scan support.
18663b71339STang Yun ping
18763b71339STang Yun ping------
18863b71339STang Yun ping
189b9d37512SZhihuan He## rk3568_bl31_v1.40.elf
190b9d37512SZhihuan He
191b9d37512SZhihuan He| Date       | File                  | Build commit | Severity |
192b9d37512SZhihuan He| ---------- | --------------------- | ------------ | -------- |
193b9d37512SZhihuan He| 2023-04-19 | rk3568_bl31_v1.40.elf | aef7950e4    | moderate |
194b9d37512SZhihuan He
195b9d37512SZhihuan He### New
196b9d37512SZhihuan He
197b9d37512SZhihuan He1. Add DDR ECC poison support.
198b9d37512SZhihuan He
199b9d37512SZhihuan He------
200b9d37512SZhihuan He
2012f88af1dSJon Lin## rk356x_usbplug_v1.17.bin
2022f88af1dSJon Lin
2032f88af1dSJon Lin| Date       | File                     | Build commit | Severity |
2042f88af1dSJon Lin| ---------- | :----------------------- | ------------ | -------- |
2052f88af1dSJon Lin| 2023-04-14 | rk356x_usbplug_v1.17.bin | 0661d5       | moderate |
2062f88af1dSJon Lin
2072f88af1dSJon Lin### New
2082f88af1dSJon Lin
2092f88af1dSJon Lin1. Support more spiflash.
2102f88af1dSJon Lin
2112f88af1dSJon Lin------
2122f88af1dSJon Lin
2131f565376SXiaoDong Huang## rk3568_bl31_v1.39.elf
2141f565376SXiaoDong Huang
2151f565376SXiaoDong Huang| Date       | File                  | Build commit | Severity  |
2161f565376SXiaoDong Huang| ---------- | --------------------- | ------------ | --------- |
2171f565376SXiaoDong Huang| 2023-04-13 | rk3568_bl31_v1.39.elf | 0d745c7b1    | important |
2181f565376SXiaoDong Huang
2191f565376SXiaoDong Huang### New
2201f565376SXiaoDong Huang
2211f565376SXiaoDong Huang1. Improve the stability of otp.
2221f565376SXiaoDong Huang
2231f565376SXiaoDong Huang------
2241f565376SXiaoDong Huang
225f2f8c7fbSTang Yun ping## rk3568_ddr_{1056...324}MHz_v1.16.bin
226f2f8c7fbSTang Yun ping
227f2f8c7fbSTang Yun ping| Date       | File                                 | Build commit | Severity  |
228f2f8c7fbSTang Yun ping| ---------- | ------------------------------------ | ------------ | --------- |
229f2f8c7fbSTang Yun ping| 2023-02-26 | rk3568_ddr_{1056...324}MHz_v1.16.bin | 6f71c736ce   | important |
230f2f8c7fbSTang Yun ping
231f2f8c7fbSTang Yun ping### New
232f2f8c7fbSTang Yun ping
233f2f8c7fbSTang Yun ping1. RK3568J/RK3568M use 1/2tREFI except LPDDR4/LPDDR4x. LPDDR4/LPDDR4x use derate mode.
234f2f8c7fbSTang Yun ping2. TREFI, pageclose configurable by ddrbin tool.
235f2f8c7fbSTang Yun ping3. Improve DDR4 performance.
236f2f8c7fbSTang Yun ping
237f2f8c7fbSTang Yun ping### Fixed
238f2f8c7fbSTang Yun ping
239f2f8c7fbSTang Yun ping| Index | Severity  | Update                                                       | Issue description                                            | Issue source |
240f2f8c7fbSTang Yun ping| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ |
241f2f8c7fbSTang Yun ping| 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 | -            |
242f2f8c7fbSTang Yun ping| 2     | important | To solve 4GB ECC board Init fail bug                         | 4GB DDR4 board may crash in ddrbin                           |              |
243f2f8c7fbSTang Yun ping
244f2f8c7fbSTang Yun ping------
245f2f8c7fbSTang Yun ping
2461d2ea0ccSXiaoDong Huang## rk3568_bl31_v1.38.elf
2471d2ea0ccSXiaoDong Huang
2481d2ea0ccSXiaoDong Huang| Date       | File                  | Build commit | Severity  |
2491d2ea0ccSXiaoDong Huang| ---------- | --------------------- | ------------ | --------- |
2501d2ea0ccSXiaoDong Huang| 2023-02-16 | rk3568_bl31_v1.38.elf | 94b2d40dc    | important |
2511d2ea0ccSXiaoDong Huang
2521d2ea0ccSXiaoDong Huang### New
2531d2ea0ccSXiaoDong Huang
2541d2ea0ccSXiaoDong Huang1. Improve the stability of sdei.
2551d2ea0ccSXiaoDong Huang
2561d2ea0ccSXiaoDong Huang------
2571d2ea0ccSXiaoDong Huang
258d4dd7145SXiaoDong Huang## rk3568_bl31_v1.37.elf
259d4dd7145SXiaoDong Huang
260d4dd7145SXiaoDong Huang| Date       | File                  | Build commit | Severity  |
261d4dd7145SXiaoDong Huang| ---------- | --------------------- | ------------ | --------- |
262d4dd7145SXiaoDong Huang| 2023-02-02 | rk3568_bl31_v1.37.elf | 1cd72fefa    | important |
263d4dd7145SXiaoDong Huang
264d4dd7145SXiaoDong Huang### New
265d4dd7145SXiaoDong Huang
266d4dd7145SXiaoDong Huang1. Enable sdei.
267d4dd7145SXiaoDong Huang2. Support config l3 partition according to atags.
268d4dd7145SXiaoDong Huang
269d4dd7145SXiaoDong Huang------
270d4dd7145SXiaoDong Huang
27144de354dSZhihuan He## rk3568_ddr_{1560...324}MHz_v1.15.bin
27244de354dSZhihuan He
27344de354dSZhihuan He| Date       | File                                 | Build commit | Severity  |
27444de354dSZhihuan He| ---------- | ------------------------------------ | ------------ | --------- |
27544de354dSZhihuan He| 2022-11-08 | rk3568_ddr_{1560...324}MHz_v1.15.bin | ec2fae0c96   | important |
27644de354dSZhihuan He
27744de354dSZhihuan He### Fixed
27844de354dSZhihuan He
27944de354dSZhihuan He| Index | Severity  | Update                                                       | Issue description                                            | Issue source |
28044de354dSZhihuan He| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ |
28144de354dSZhihuan He| 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 | -            |
28244de354dSZhihuan He
28344de354dSZhihuan He------
28444de354dSZhihuan He
285cd42c8b9SZhihuan He## rk3568_bl31_v1.36.elf
286cd42c8b9SZhihuan He
287cd42c8b9SZhihuan He| Date       | File                  | Build commit | Severity  |
288cd42c8b9SZhihuan He| ---------- | --------------------- | ------------ | --------- |
289cd42c8b9SZhihuan He| 2022-11-08 | rk3568_bl31_v1.36.elf | 2c8be93f9    | important |
290cd42c8b9SZhihuan He
291cd42c8b9SZhihuan He### Fixed
292cd42c8b9SZhihuan He
293cd42c8b9SZhihuan He| Index | Severity  | Update                                                       | Issue description                                            | Issue source |
294cd42c8b9SZhihuan He| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ |
295cd42c8b9SZhihuan He| 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 | -            |
296cd42c8b9SZhihuan He
297cd42c8b9SZhihuan He------
298cd42c8b9SZhihuan He
299b32e77eeSJon Lin## rk356x_usbplug_v1.16.bin
300b32e77eeSJon Lin
301b32e77eeSJon Lin| Date       | File                     | Build commit | Severity |
302b32e77eeSJon Lin| ---------- | :----------------------- | ------------ | -------- |
303b32e77eeSJon Lin| 2022-11-02 | rk356x_usbplug_v1.16.bin | eaaeb1       | moderate |
304b32e77eeSJon Lin
305b32e77eeSJon Lin### New
306b32e77eeSJon Lin
30718157235SJoseph Chen1. Support more spiflash.
308b32e77eeSJon Lin
309b32e77eeSJon Lin------
310b32e77eeSJon Lin
3116cdb0cf8Sshengfei Xu## rk3568_bl31_v1.35.elf
3126cdb0cf8Sshengfei Xu
3136cdb0cf8Sshengfei Xu| Date       | File                  | Build commit | Severity  |
3146cdb0cf8Sshengfei Xu| ---------- | :-------------------- | ------------ | --------- |
3156cdb0cf8Sshengfei Xu| 2022-10-24 | rk3568_bl31_v1.35.elf | cddd6f52e    | important |
3166cdb0cf8Sshengfei Xu
3176cdb0cf8Sshengfei Xu### Fixed
3186cdb0cf8Sshengfei Xu
3196cdb0cf8Sshengfei Xu| Index | Severity  | Update                                                    | Issue description                                            | Issue source |
3206cdb0cf8Sshengfei Xu| ----- | --------- | --------------------------------------------------------- | ------------------------------------------------------------ | ------------ |
3216cdb0cf8Sshengfei Xu| 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. | -         |
3226cdb0cf8Sshengfei Xu
3236cdb0cf8Sshengfei Xu------
3246cdb0cf8Sshengfei Xu
3259f3468f5SJon Lin## rk356{x_usbplug, 8_miniloader_spinand}_v1.15.bin
3269f3468f5SJon Lin
3279f3468f5SJon Lin| Date       | File                                             | Build commit | Severity |
3289f3468f5SJon Lin| ---------- | :----------------------------------------------- | ------------ | -------- |
3299f3468f5SJon Lin| 2022-09-26 | rk356{x_usbplug, 8_miniloader_spinand}_v1.15.bin | 65048d1      | moderate |
3309f3468f5SJon Lin
3319f3468f5SJon Lin### New
3329f3468f5SJon Lin
33318157235SJoseph Chen1. Support more spiflash.
3349f3468f5SJon Lin
3359f3468f5SJon Lin------
3369f3468f5SJon Lin
3376dff3132SHisping Lin## rk3568_bl32_v2.09.bin
3386dff3132SHisping Lin
3396dff3132SHisping Lin| Date       | File                  | Build commit | Severity  |
3406dff3132SHisping Lin| ---------- | :-------------------- | ------------ | --------- |
3416dff3132SHisping Lin| 2022-09-16 | rk3568_bl32_v2.09.bin | d84087907    | important |
3426dff3132SHisping Lin
3436dff3132SHisping Lin### Fixed
3446dff3132SHisping Lin
3456dff3132SHisping Lin| Index | Severity  | Update                                                       | Issue description                                            | Issue source |
3466dff3132SHisping Lin| ----- | --------- | ------------------------------------------------------------ | ------------------------------------------------------------ | ------------ |
3476dff3132SHisping Lin| 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 | -            |
3486dff3132SHisping Lin
3496dff3132SHisping Lin------
3506dff3132SHisping Lin
3514909cfb1STang Yun ping## rk3568_ddr_{1560...324}MHz_v1.14.bin
3524909cfb1STang Yun ping
3534909cfb1STang Yun ping| Date       | File                                 | Build commit | Severity  |
3544909cfb1STang Yun ping| ---------- | :----------------------------------- | ------------ | --------- |
3554909cfb1STang Yun ping| 2022-08-27 | rk3568_ddr_{1560...324}MHz_v1.14.bin | b1f29a2a6f   | important |
3564909cfb1STang Yun ping
3574909cfb1STang Yun ping### Fixed
3584909cfb1STang Yun ping
3594909cfb1STang Yun ping| Index | Severity  | Update                                                    | Issue description                                            | Issue source |
3604909cfb1STang Yun ping| ----- | --------- | --------------------------------------------------------- | ------------------------------------------------------------ | ------------ |
361a9b7a7b5SJoseph Chen| 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 . | -         |
362a9b7a7b5SJoseph Chen| 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. | -         |
363a9b7a7b5SJoseph Chen| 3     | important | fix ddr4 528M stability problem                           | some DRAM DLL can't lock at 528M,DLL should be bypass for 528M | -         |
364a9b7a7b5SJoseph Chen|       | important | fix ddr4 1560M stability problem                          | some 2 rank DDR4 PCB DQS/DQ slew rate should be set to 0x0 when running at1560MHz. | -         |
3654909cfb1STang Yun ping
3664909cfb1STang Yun ping------
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