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# EDK2 UEFI firmware for Rockchip RK35xx platforms

**WARNING: This repo is highly experimental**

## Description

This repository is based on the official open-source UEFI implementation from Rockchip, which is under active development.

Therefore, to keep up with the work from Rockchip, we should avoid modifying code from Rockchip in most cases.

Discussion thread: [Windows / UEFI on Rock 5 (Mega thread)](https://forum.radxa.com/t/windows-uefi-on-rock-5-mega-thread/12924)

## Building

Using Arch Linux as example
# EDK2 UEFI firmware for Rockchip RK3588 platforms
This repository contains an UEFI firmware implementation based on EDK2 for various RK3588 boards.

## Supported platforms
- [Radxa ROCK 5B](https://wiki.radxa.com/Rock5/hardware/5b)
- [Radxa ROCK 5A](https://wiki.radxa.com/Rock5/hardware/5a)
- [Orange Pi 5](http://www.orangepi.org/html/hardWare/computerAndMicrocontrollers/details/Orange-Pi-5.html)
- [ameriDroid Indiedroid Nova](https://indiedroid.us)
- [Firefly ROC-RK3588S-PC](https://en.t-firefly.com/product/industry/rocrk3588spc)
- [StationPC Station M3](https://www.stationpc.com/product/stationm3)
- [Mekotronics R58X](https://www.mekotronics.com/h-pd-75.html)
- [Mekotronics R58 Mini](https://www.mekotronics.com/h-pd-76.html)
- [Khadas Edge2](https://www.khadas.com/edge2)
- [FriendlyELEC NanoPC T6](https://wiki.friendlyelec.com/wiki/index.php/NanoPC-T6)

## Supported peripherals
Applicable to all platforms unless otherwise noted.

| Device | Status | Notes |
| --- | --- | --- |
| USB 3 / 2.0 / 1.1 | 🟢 Working | Host-mode only |
| PCIe 3.0 (RK3588) | 🟡 Partial | |
| PCIe 2.1 | 🔴 Not working | |
| SATA | 🟢 Working | |
| SD/eMMC | 🟢 Working | |
| HDMI output | 🟢 Working | Single display with mode limited at 1080p 60 Hz |
| USB-C DP output | 🔴 Not working | |
| eDP output | 🔴 Not working | |
| DSI | 🔴 Not working | |
| GMAC Ethernet | 🔴 Not working | |
| UART | 🟢 Working | |
| GPIO | 🟡 Partial | No pin function support |
| I2C | 🟢 Working | |
| SPI | 🟢 Working | |
| SARADC | 🔴 Not working | |
| PWM | ⚪ Untested | |
| SPI NOR Flash | 🟢 Working | |
| Voltage regulators (RK806, RK860) | 🟢 Working | |
| FUSB302 USB-C PD negotiation | 🔴 Not working | Only present on a few boards (ROCK 5B, Edge2) |

## Supported OSes
| OS | Version | Tested/supported hardware | Notes |
| --- | --- | --- | --- |
| Windows | 10 (1904x), 11 | [Status](https://github.com/worproject/Rockchip-Windows-Drivers#hardware-support-status) ||
| NetBSD | 10 | HDMI GOP, USB, SATA, UART ||
| VMware ESXi Arm Fling | 1.12 | HDMI GOP, USB |Need to hide PCIe 3 in ACPI|

## Installation & usage
Check out the latest release at: <https://github.com/edk2-porting/edk2-rk35xx/releases>, including install instructions.

## Configuration settings
The UEFI configuration settings can be viewed and changed using both the UI configuration menu (under `Device Manager` -> `Rockchip Platform Configuration`), as well as the UEFI Shell. To configure using the UEFI Shell, use `setvar` command to read/write the UEFI variables with GUID = `10f41c33-a468-42cd-85ee-7043213f73a3`.

The syntax to read a setting is:
```
setvar <NAME> -guid 10f41c33-a468-42cd-85ee-7043213f73a3
```

Install required packages:
```bash
sudo pacman -Syu
sudo pacman -S git base-devel gcc dtc aarch64-linux-gnu-binutils aarch64-linux-gnu-gcc aarch64-linux-gnu-glibc python python-pyelftools iasl --needed
The syntax to write a setting is:
```
setvar <NAME> -guid 10f41c33-a468-42cd-85ee-7043213f73a3 -bs -rt -nv =<VALUE>
```
`VALUE` must be in hexadecimal.

Required packages for Ubuntu/Debian:
```bash
sudo apt install git gcc g++ build-essential gcc-aarch64-linux-gnu iasl python3-pyelftools
For string-type settings, the syntax to write is:
```
setvar <NAME> -guid 10f41c33-a468-42cd-85ee-7043213f73a3 -bs -rt -nv =L"<VALUE>" =0x0000
```

Clone the repository:
```bash
git clone https://github.com/edk2-porting/edk2-rk35xx.git --recursive
cd edk2-rk35xx
### CPU Performance
#### Cluster clocks / voltages
| Variable | NAME | VALUE |
| --------------------------------- |----------------------------------- |----------------------------- |
| CPU`x` Clock Preset | `CpuPerf_CPUxClusterClockPreset` | Boot default = `0x00000000`<br> Min = `0x00000001`<br> Max = `0x00000002`<br> Custom = `0x00000003` |
| CPU`x` Custom Clock Preset (MHz) | `CpuPerf_CPUxClusterClockCustom` | Hex numeric option, 4-bytes<br> See below. |
| CPU`x` Voltage Mode | `CpuPerf_CPUxClusterVoltageMode` | Auto = `0x00000000` (default)<br> Custom = `0x00000001`|
| CPU`x` Custom Voltage (uV) | `CpuPerf_CPUxClusterVoltageCustom` | Hex numeric value, 4-bytes<br> See below. |

`x` can be :
* `L` for LITTLE cluster
* `B01` for big cluster #0
* `B23` for big cluster #1

`CpuPerf_CPUxClusterClockCustom` can have one of the following values:
* All clusters: `408000000`, `600000000`, `816000000`, `1008000000`, `1200000000`, `1416000000`, `1608000000`, `1800000000`
* Big cluster additional clocks: `2016000000`, `2208000000`, `2256000000`, `2304000000`, `2352000000`, `2400000000`

`CpuPerf_CPUxClusterVoltageCustom` is the cluster voltage in microvolts. Min: `500000`, Max: `1500000`.
Default value depends on cluster type.

### PCIe/SATA/USB Combo PIPE PHY
| Variable | NAME | VALUE |
| ----------- |-----------------|----------------------------------- |
| PHY #0 Mode | `ComboPhy0Mode` | Unconnected = `0x00000000`<br> PCIe = `0x00000001`<br> SATA = `0x00000002` |
| PHY #1 Mode | `ComboPhy1Mode` | Unconnected = `0x00000000`<br> PCIe = `0x00000001`<br> SATA = `0x00000002` |
| PHY #2 Mode | `ComboPhy2Mode` | Unconnected = `0x00000000`<br> PCIe = `0x00000001`<br> SATA = `0x00000002`<br> USB3 = `0x00000003` |

Default values and supported options depend on the platform. Check documentation and schematics for more details on PHY wiring.

**Examples:**
- To read the 'CPUL Clock Preset' setting :
```
setvar CpuPerf_CPULClusterClockPreset -guid 10f41c33-a468-42cd-85ee-7043213f73a3
```

Build UEFI (ROCK 5B for example):
```bash
./build.sh -d rock-5b
- To change the 'CPUL Clock Preset' setting to 'Maximum' :
```
setvar CpuPerf_CPULClusterClockPreset -guid 10f41c33-a468-42cd-85ee-7043213f73a3 -bs -rt -nv =0x00000002
```

## TODO
- Create gpt image in build process instead of using the prebuilt one
- Fix resetting to maskrom
## Building
The firmware can only be built on Linux currently. For Windows use WSL.

1. Install required packages:

For Ubuntu/Debian:
```bash
sudo apt install git gcc g++ build-essential gcc-aarch64-linux-gnu iasl python3-pyelftools
```
For Arch Linux:
```bash
sudo pacman -Syu
sudo pacman -S git base-devel gcc dtc aarch64-linux-gnu-binutils aarch64-linux-gnu-gcc aarch64-linux-gnu-glibc python python-pyelftools iasl --needed
```

2. Clone the repository:
```bash
git clone https://github.com/edk2-porting/edk2-rk35xx.git --recursive
cd edk2-rk35xx
```

3. Build UEFI (ROCK 5B for example, check [list of platform configs](https://github.com/edk2-porting/edk2-rk35xx/tree/master/configs)):
```bash
./build.sh --device rock-5b --release Release # (or Debug)
```

## Notes
### ACPI
ACPI support is limited, with only boot critical devices being currently exposed. It has been tested with Windows, NetBSD and VMware ESXi.

### Flash layout

| Address | Size | Desc | File |
| ---------- | :--------- | --------------------- | ---------------------- |
| ---------- | ---------- | --------------------- | ---------------------- |
| 0x00000000 | 0x00004400 | GPT Table | rk3588_spi_nor_gpt.img |
| 0x00008000 | | IDBlock | idblock.bin |
| 0x00088000 | | IDBlock | idblock.bin |
| 0x00100000 | 0x00500000 | BL33_AP_UEFI FV | ${DEVICE}_EFI.itb |
| 0x007C0000 | 0x00010000 | NV_VARIABLE_STORE | |
| 0x007D0000 | 0x00010000 | NV_FTW_WORKING header | |
| 0x007E0000 | 0x00010000 | NV_FTW_WORKING data | NV_DATA.img |

### Memory Map

| Address | Size | Desc | File |
| ---------- | :--: | ------------- | ------------------- |
| 0x00040000 | | ATF | bl31_0x00040000.bin |
| 0x000f0000 | | ATF | bl31_0x000f0000.bin |
| 0x00200000 | | UEFI FV | BL33_AP_UEFI.Fv |
| 0x08400000 | | OP-TEE | bl32.bin |
| 0xff100000 | | ATF (PMU_MEM) | bl31_0xff100000.bin |
| Address | Size | Desc | File |
| ---------- | --------- | --------------------- | ------------------- |
| 0x00040000 | | ATF | bl31_0x00040000.bin |
| 0x000f0000 | | ATF | bl31_0x000f0000.bin |
| 0x00200000 | 0x00500000 | UEFI FV | BL33_AP_UEFI.Fv |
| 0x007C0000 | 0x00010000 | NV_VARIABLE_STORE | |
| 0x007D0000 | 0x00010000 | NV_FTW_WORKING | |
| 0x007E0000 | 0x00010000 | NV_FTW_SPARE | |
| 0x08400000 | | OP-TEE | bl32.bin |
| 0xff100000 | | ATF (PMU_MEM) | bl31_0xff100000.bin |

## Licenses
The UEFI code and produced FD binary are licensed under the current EDK2 license, which is [BSD-2-Clause-Patent](https://github.com/tianocore/edk2/blob/master/License.txt).

The license of the blobs in the `misc/rkbin/` directory is to be determined. Most of them are built from open-source projects such as U-Boot, Arm Trusted Firmware and OP-TEE.

## Community
* Radxa forum: <https://forum.radxa.com/t/windows-uefi-on-rock-5-mega-thread/12924>
* Hack w/ Rockchip Telegram: <https://t.me/UEFIonRockchip>
* Windows on R Discord: <https://discord.gg/vjHwptUCa3>

## Credits & alternatives
This firmware is based on Rockchip's initial efforts at <https://gitlab.com/rk3588_linux/rk/uefi-monorepo>.

There's also minimal support for RK356X (likely broken in our repo with no plans of reviving), but there's a much better implementation made by @jaredmcneill at https://github.com/jaredmcneill/quartz64_uefi, from which we also reused some code.

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