# RK3506 Release Note

## rk350{6,6b}_ddr_750MHz_v1.02.bin

| Date       | File                         | Build commit | Severity  |
| ---------- | :--------------------------- | ------------ | --------- |
| 2024-10-09 | rk350{6,6b}_ddr_750MHz_v1.02.bin | c7d3dcd3f0 | important |

### New

1. Add rk3502 support.

### Fixed

| Index | Severity  | Update                                      | Issue description                    | Issue source |
| ----- | --------- | ------------------------------------------- | ------------------------------------ | ------------ |
| 1     | important | The maximum DDR frequency changed to 750Mhz | Avoid interference with wifi signals | -            |

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## rk3506_tee_v1.22.bin

| Date       | File                 | Build commit | Severity  |
| ---------- | :------------------- | ------------ | --------- |
| 2024-10-11 | rk3506_tee_v1.22.bin | c30e6610b38  | important |

### New

1. Add RK3502 support.

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## rk3506_tee_v1.21.bin

| Date       | File                 | Build commit | Severity  |
| ---------- | :------------------- | ------------ | --------- |
| 2024-09-09 | rk3506_tee_v1.21.bin | 51771435438  | important |

### Fixed

| Index | Severity  | Update                                 | Issue description                  | Issue source |
| ----- | --------- | -------------------------------------- | ---------------------------------- | ------------ |
| 1     | important | fix hang up in tee while system resume | hang up in tee while system resume | -            |

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## rk3506_{ddr,spl,tee}_v1.xx.bin

| Date       | File                         | Build commit | Severity  |
| ---------- | :--------------------------- | ------------ | --------- |
| 2024-08-28 | rk3506_{ddr,spl,tee}_v1.xx.bin | ddr:404a81a8bf#spl:a106936cd3c#tee:6c78a7d8cb3 | important |

### New

1. DDR: Set atags address to 0x62000; To avoid damaging last_log data, do not check soldering during reboot.
2. SPL: Set atags address to 0x62000; Update text base addr to 0x3f00000.
3. TEE: Set atags address to 0x62000; Update text base addr to 0x1000; Improve stable for system suspend/resume.

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## rk3506b_ddr_589MHz_v1.00.bin

| Date       | File                         | Build commit | Severity  |
| ---------- | :--------------------------- | ------------ | --------- |
| 2024-08-05 | rk3506b_ddr_589MHz_v1.00.bin | 8bd2e95bb9   | important |

### New

1. Add RK3506B support.

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## rk3506_tee_v1.10.bin

| Date       | File                 | Build commit | Severity  |
| ---------- | :------------------- | ------------ | --------- |
| 2024-08-01 | rk3506_tee_v1.10.bin | 2b96ee171e2  | important |

### Fixed

| Index | Severity  | Update                                    | Issue description                     | Issue source |
| ----- | --------- | ----------------------------------------- | ------------------------------------- | ------------ |
| 1     | important | fix gpio1 lost power after system suspend | gpio1 lost power after system suspend | -            |

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## rk3506_{ddr,spl,usbplug,tee}_v1.00.bin

| Date       | File                               | Build commit                                   | Severity |
| ---------- | :--------------------------------- | ---------------------------------------------- | -------- |
| 2024-07-17 | rk3506_{ddr,spl,usbplug,tee}_v1.00.bin | ddr:8bd2e95bb9#spl:c80444b1e9a#usbplug:b9b1493#tee:1bfd9b50333 | moderate |

### New

1. Initial version.

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