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# rv1126b Release Note
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## rv1126b_spl{, _ipc}_v1.05.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-09-26 | rv1126b_spl{, _ipc}_v1.05.bin | 2f340fbbc13 | important |
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### New
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1. Adjust tsadc offset and bias according to otp.
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------
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## rv1126b_bl31_v1.11.elf
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| Date | File | Build commit | Severity |
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| ---------- | :-------------------- | ------------ | --------- |
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| 2025-09-19 | rv1126b_bl31_v1.11.elf | 405ded103 | important |
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### New
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1. Support ultra-mode for system sleep.
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2. Support use non-ECC mode to read OTP.
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------
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## rv1126b_spl{, _ipc}_v1.04.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-09-11 | rv1126b_spl{, _ipc}_v1.04.bin | 23541e77b13 | important |
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| Index | Severity | Update | Issue description | Issue source |
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| ----- | --------- | ------------------ | ------------------------------------------------------------ | ------------ |
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| 1 | important | Fix default bias | Due to the width, some temperatures may overflow. | - |
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------
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## rv1126b{p}_ddr_{1332, 1056}MHz_v1.06.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------------------------- | ------------ | --------- |
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| 2025-09-11 | rv1126b{p}_ddr_{1332, 1056}MHz_v1.06.bin | 1604bf9935 | important |
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### New
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1. Support RV1126BJ.
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2. Support pstore.
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### Fixed
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| Index | Severity | Update | Issue description | Issue source |
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| ----- | --------- | ------------------ | ------------------------------------------------------------ | ------------ |
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| 1 | important | Fix refresh_margin | Some LPDDR4(X) may be unstable at specific frequency under high temperatures | 572300 |
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------
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## rv1126b_bl31_v1.10.elf
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| Date | File | Build commit | Severity |
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| ---------- | :-------------------- | ------------ | --------- |
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| 2025-09-05 | rv1126b_bl31_v1.10.elf | 33e45088f | important |
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### New
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1. Save and restore more registers when system suspend.
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------
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## rv1126b_bl31_v1.09.elf
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| Date | File | Build commit | Severity |
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| ---------- | :-------------------- | ------------ | --------- |
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| 2025-08-25 | rv1126b_bl31_v1.09.elf | 5b828b3a5 | important |
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### New
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1. Support to use external 32k clock during system suspend.
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## rv1126b{p}_ddr_{1332, 1056}MHz_v1.05.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------------------------- | ------------ | -------- |
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| 2025-08-18 | rv1126b{p}_ddr_{1332, 1056}MHz_v1.05.bin | c1d02225c7 | moderate |
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### Fixed
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| Index | Severity | Update | Issue description | Issue source |
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| ----- | -------- | --------------------------------------- | ----------------------------- | ------------ |
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| 1 | moderate | Optimize CA training PLL configuration | Enhance CA training stability | |
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| 2 | moderate | Optimize frequency information printing | - | |
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------
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## rv1126b_bl32_v1.04.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-08-15 | rv1126b_bl32_v1.04.bin | a89319de7 | important |
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### New
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1. OTP supports Non-Protected OEM Zone functionality.
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2. Support CMAC KDF derived algorithms.
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------
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## rv1126b{p}_ddr_{1332, 1056}MHz_v1.04.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------------------------- | ------------ | --------- |
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| 2025-07-22 | rv1126b{p}_ddr_{1332, 1056}MHz_v1.04.bin | ff328eecdd | important |
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### Fixed
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| Index | Severity | Update | Issue description | Issue source |
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| ----- | --------- | ----------------------------------------- | ---------------------------------------------- | ------------ |
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| 1 | important | Fix per-channel 3Gb/4Gb LPDDR4(X) tRFCpb | Per-channel 3Gb/4Gb LPDDR4(X) sleep failures | |
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| 2 | important | Modify CS training mode | Initialization issues on some LPDDR4(X) boards | |
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| 3 | important | Optimize DDR3/DDR4 SI settings | | |
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| 4 | important | Enable RV1126B LPDDR4 DBI to enhance SIPI | | |
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| 5 | moderate | Optimize LPDDR4(X) vref settings | | |
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| 6 | moderate | Add PHY pll_ls configuration | | |
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------
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## rv1126b_bl31_v1.08.elf
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| Date | File | Build commit | Severity |
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| ---------- | :-------------------- | ------------ | --------- |
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| 2025-07-17 | rv1126b_bl31_v1.08.elf | 2905dde0d | important |
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### New
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1. Always route fiq from s_el1 to el3.
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2. Improve accuracy of system timer after system suspend/resume for AOA.
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------
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## rv1126b_bl31_v1.07.elf
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| Date | File | Build commit | Severity |
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| ---------- | :-------------------- | ------------ | --------- |
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| 2025-06-13 | rv1126b_bl31_v1.07.elf | 46bfa4121 | important |
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### New
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1. Save/restore PVTPLL when system suspend/resume.
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2. Improve stability of system reboot.
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3. Support to boot HPMCU.
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4. Improve stability of system temperature control.
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------
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## rv1126b{p}_ddr_{1332, 1056}MHz_v1.03.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------------------------- | ------------ | -------- |
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| 2025-06-13 | rv1126b{p}_ddr_{1332, 1056}MHz_v1.03.bin | c4d8224017 | critical |
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### Warn
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1. The bl31 should be updated to v1.06 or above.
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### Fixed
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| Index | Severity | Update | Issue description | Issue source |
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| ----- | --------- | ------------------------- | ------------------------------------------------------------ | ------------ |
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| 1 | important | Fix refresh_margin | LPDDR4(X) and LPDDR3 may be unstable at elevated temperatures and low frequencies | - |
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| 2 | critical | Fix DDR4 stability issues | | - |
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------
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## rv1126b_bl31_v1.06.elf
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| Date | File | Build commit | Severity |
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| ---------- | :-------------------- | ------------ | --------- |
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| 2025-06-06 | rv1126b_bl31_v1.06.elf | 1b7f2f7db | important |
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### New
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1. Improve the speed of system suspend/resume.
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2. Enhance the stability of system suspend/resume for DDR4 boards.
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## rv1126b_hpmcu_tb_v1.00.bin
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| Date | File | Build commit | Severity |
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| ---------- | :-------------------- | ----------- | -------- |
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| 2025-05-27 | rv1126b_hpmcu_tb_v1.00.bin | rtt:3377af5ff6#hal:5c682f97 | important |
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### New
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1. Initial version.
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------
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## rv1126b_bl31_v1.05.elf
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| Date | File | Build commit | Severity |
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| ---------- | :-------------------- | ------------ | --------- |
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| 2025-05-16 | rv1126b_bl31_v1.05.elf | ce0a773ac | important |
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### New
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1. Support fiq-debugger.
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2. Support lp_pr sleep mode.
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------
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## rv1126b_bl32_v1.03.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-05-12 | rv1126b_bl32_v1.03.bin | 6fa7d182f | important |
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### Fixed
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| Index | Severity | Update | Issue description | Issue source |
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| ----- | --------- | -------------------------------------------------------- | ----------------- | ------------ |
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| 1 | important | fix crypto result error when using dynamic shared memory | - | - |
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------
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## rv1126b_usbplug_v1.03.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-05-13 | rv1126b_usbplug_v1.03.bin | 37d8770ee4 | important |
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### New
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1. Fix reboot fail.
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------
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## rv1126b_usbplug_v1.02.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-05-09 | rv1126b_usbplug_v1.02.bin | ac302d626c | important |
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### New
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1. Add uart upgrade support.
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------
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## rv1126b_spl{, _ipc}_v1.03.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-05-08 | rv1126b_spl{, _ipc}_v1.03.bin | bc03ef0985f | important |
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### New
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1. Fix bias error.
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------
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## rv1126b_bl31_v1.04.elf
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| Date | File | Build commit | Severity |
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| ---------- | :-------------------- | ------------ | --------- |
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| 2025-05-06 | rv1126b_bl31_v1.04.elf | 886a0421f | important |
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### New
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1. Support LP_AOA sleep mode.
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2. Support non-secure configuration remap_dsmc, remap_perixip, remap_pmuxip.
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3. Enable tsadc_shut_m0 function.
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------
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## rv1126b_spl{, _ipc}_v1.02.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-05-06 | rv1126b_spl{, _ipc}_v1.02.bin | e4069c1b773 | important |
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### New
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1. Adjust tsadc bias current.
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------
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## rv1126b{p}_ddr_{1332, 1056}MHz_v1.02.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------------------------- | ------------ | -------- |
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| 2025-04-25 | rv1126b{p}_ddr_{1332, 1056}MHz_v1.02.bin | 701e251084 | critical |
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### New
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1. Added support for arch timer 1GHz.
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2. Added thunder-boot DDR bin.
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3. Added eyescan DDR bin.
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### Fixed
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| Index | Severity | Update | Issue description | Issue source |
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| ----- | --------- | ------------------------------------------------------------ | ----------------------------- | ------------ |
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| 1 | important | Optimized SI configuration | - | - |
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| 2 | critical | Fix clk skew calculation error in certain scenarios | Instability in some DDR3/DDR4 | - |
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| 3 | critical | Fix LPDDR4(X) stability issues | - | - |
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| 4 | critical | Resolve initialization failures for specific memory capacity combinations | - | - |
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------
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## rv1126b_bl32_v1.02.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-04-23 | rv1126b_bl32_v1.02.bin | 106240c23 | important |
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### Fixed
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| Index | Severity | Update | Issue description | Issue source |
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| ----- | --------- | --------------------------------------- | ----------------- | ------------ |
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| 1 | important | correct whether reading ns otp with ecc | - | - |
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------
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## rv1126b_bl31_v1.03.elf
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| Date | File | Build commit | Severity |
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| ---------- | :-------------------- | ------------ | --------- |
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| 2025-04-16 | rv1126b_bl31_v1.03.elf | d93a2fceb | important |
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### New
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1. Improve stability of system suspend .
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------
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## rv1126b_bl31_v1.02.elf
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-04-15 | rv1126b_bl31_v1.02.elf | 32ea6e285 | important |
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### New
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1. BL31 runs at 0x40000000.
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2. Save/restore data of system sram when system suspend/resume.
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------
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## rv1126b_spl_v1.01.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-04-14 | rv1126b_spl_v1.01.bin | 8532419ba16 | important |
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### New
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1. Add arch timer 1Ghz support.
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------
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## rv1126b_usbplug_v1.01.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-04-14 | rv1126b_usbplug_v1.01.bin | 8532419ba16 | important |
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### New
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1. Add arch timer 1Ghz support.
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------
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## rv1126b_bl32_v1.01.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-04-14 | rv1126b_bl32_v1.01.bin | 0e8447122 | important |
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### New
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1. Add support for oem otp key cipher.
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### Fixed
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| Index | Severity | Update | Issue description | Issue source |
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| ----- | --------- | ------------------------------- | ----------------- | ------------ |
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| 1 | important | fixed FW Enryption Key offset | - | - |
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| 2 | important | correct the clock used by RKRNG | - | - |
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------
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## rv1126b_bl32_v1.00.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-04-08 | rv1126b_bl32_v1.00.bin | f63ac68db | important |
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### New
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1. Initial version.
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------
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## rv1126b_bl31_v1.01.elf
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------- | ------------ | --------- |
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| 2025-04-02 | rv1126b_bl31_v1.01.elf | a14bf51f4 | important |
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### New
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1. Support system suspend.
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2. Support scmi clock.
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------
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## rv1126b_{ddr,spl,usbplug,bl31}_v1.00.bin
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| Date | File | Build commit | Severity |
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| ---------- | :--------------------------------------- | ------------------------------------------------------------ | -------- |
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| 2025-03-31 | rv1126b_{ddr,spl,usbplug,bl31}_v1.00.bin | ddr:cca56bbb07#spl:4d9e803d493#usbplug:4d9e803d493#bl31:a2173dab6 | moderate |
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### New
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1. Initial version.
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------
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