# RK3576 Release Note

## rk3576_ddr_lp4_2112MHz_lp5_2736MHz{_ultra}_v1.03.bin

| Date       | File                                                 | Build commit | Severity  |
| ---------- | :--------------------------------------------------- | ------------ | --------- |
| 2024-04-16 | rk3576_ddr_lp4_2112MHz_lp5_2736MHz{_ultra}_v1.03.bin | 81dd75088a   | important |

### Warn

1. When LPDDR5 is used, the kernel must have this patch: 540126c8642b arm64: dts: rockchip: Increase 2400M to 2750M for dmc opp table (commit ID may be different for different kernel branches).

### Fixed

| Index | Severity  | Update                                          | Issue description                            | Issue source |
| ----- | --------- | ----------------------------------------------- | -------------------------------------------- | ------------ |
| 1     | important | Change default freq of LPDDR5 to 2736MHz        | -                                            | -            |
| 2     | important | Change trigger time of force uart rx to smaller | uart may not automatically trigger jtag mode | -            |

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## rk3576_bl32_v1.01.bin

| Date       | File                  | Build commit | Severity  |
| ---------- | :-------------------- | ------------ | --------- |
| 2024-04-16 | rk3576_bl32_v1.01.bin | 185dc3c92    | important |

### New

1. Optimization parameter check to enhance security.
2. Keylad supports get otp zero count.

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## rk3576_bl31_v1.03.elf

| Date       | File                  | Build commit | Severity  |
| ---------- | :-------------------- | ------------ | --------- |
| 2024-04-10 | rk3576_bl31_v1.03.elf | 9de33eca3    | important |

### New

1. Improve DDR stability when sleep.
2. Supports DDR frequency conversion in EBC scenarios.

### Fixed

| Index | Severity  | Update                                         | Issue description                             | Issue source |
| ----- | --------- | ---------------------------------------------- | --------------------------------------------- | ------------ |
| 1     | important | Fixed CPU performance deteriorates after sleep | CPU performance will deteriorates after sleep | -            |

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## rk3576_{spl,usbplug}_fspi1_v1.00.bin

| Date       | File                  | Build commit | Severity  |
| ---------- | :-------------------- | ----------- | -------- |
| 2024-04-08 | rk3576_{spl,usbplug}_fspi1_v1.00.bin | 38fed2d628d   | important |

### New

1. Support fspi1 spiflash.

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## rk3576_spl_v1.01.bin

| Date       | File                  | Build commit | Severity  |
| ---------- | :-------------------- | ----------- | -------- |
| 2024-04-07 | rk3576_spl_v1.01.bin | 4a69562ca69   | important |

### New

1. Support SD card.
2. Support SecureBoot.
3. Enable crypto.
4. Improve UFS support.
5. Improve VOP2 support.
6. Add MCU-related register configuration.

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## rk3576_bl31_v1.02.elf

| Date       | File                  | Build commit | Severity  |
| ---------- | :-------------------- | ------------ | --------- |
| 2024-03-29 | rk3576_bl31_v1.02.elf | 5784c4ac0    | important |

### New

1. Support HDCP.
2. Enable GPU counter.

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## rk3576_ddr_lp4_2112MHz_lp5_2376MHz_v1.02.bin

| Date       | File                                         | Build commit | Severity  |
| ---------- | :------------------------------------------- | ------------ | --------- |
| 2024-03-22 | rk3576_ddr_lp4_2112MHz_lp5_2376MHz_v1.02.bin | 2e0089635a3  | important |

### Fixed

| Index | Severity  | Update                                   | Issue description                                                                                                                             | Issue source |
| ----- | --------- | ---------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------- | ------------ |
| 1     | important | Fixed VOP will flash with POST_BUF_EMPTY | When DDR is under heavy load, or DDR frequency is low, especially when GPU and RKNN are under heavy load, VOP will flash with POST_BUF_EMPTY. | -            |

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## rk3576_bl31_v1.01.elf

| Date       | File                  | Build commit | Severity  |
| ---------- | :-------------------- | ------------ | --------- |
| 2024-03-21 | rk3576_bl31_v1.01.elf | c87ba612c    | important |

### New

1. Support suspend/resume in uboot.
2. Support virtual poweroff.
3. Support recover system time after system resume.

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## rk3576_{ddr,spl,usbplug}_v1.00.bin

| Date       | File                               | Build commit                                   | Severity |
| ---------- | :--------------------------------- | ---------------------------------------------- | -------- |
| 2024-03-15 | rk3576_{ddr,spl,usbplug}_v1.00.bin | ddr:563d6071c0#spl:0aca89f21:usbplug:0aca89f21 | moderate |

### New

1. Initial version.

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## rk3576_{bl31, bl32}_v1.00.bin

| Date       | File                  | Build commit | Severity  |
| ---------- | :-------------------- | ------------ | --------- |
| 2024-03-15 | rk3576_{bl31, bl32}_v1.00.bin | bl31:a83ab541f#bl32:68cdaabd4 | moderate |

### New

1. Initial version.

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