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| author | Tom Rini <trini@konsulko.com> | 2020-10-06 15:36:10 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-10-06 15:36:10 +0300 |
| commit | 987ab49366f3fcd25039eab431bf099b587b3265 (patch) | |
| tree | 75defe86fd35339b1b2e695ea1beebc0bbf1bbaf /doc | |
| parent | b24550accd7e3a62c6da773a9096dfd1471403d5 (diff) | |
| parent | 2d481b2e3e22f7be854d381a7bafd92a65e18b23 (diff) | |
| download | u-boot-987ab49366f3fcd25039eab431bf099b587b3265.tar.xz | |
Merge tag 'u-boot-amlogic-20201005' of https://gitlab.denx.de/u-boot/custodians/u-boot-amlogic
- generate unique mac address from SoC serial on S400 board
- Add USB support for GXL and AXG SoCs
- Update Gadget code to use the new GXL and AXG USB glue driver
- Add a VIM3 board support to add dynamic PCIe enable in OS DT
- Fix AXG pinmux with requesting GPIOs
- Add missing GPIOA_18 for AXG pinctrl
- Add Amlogic PWM driver
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/board/amlogic/khadas-vim3.rst | 27 | ||||
| -rw-r--r-- | doc/board/amlogic/khadas-vim3l.rst | 27 |
2 files changed, 54 insertions, 0 deletions
diff --git a/doc/board/amlogic/khadas-vim3.rst b/doc/board/amlogic/khadas-vim3.rst index c1c03212d2..d6a9642ad6 100644 --- a/doc/board/amlogic/khadas-vim3.rst +++ b/doc/board/amlogic/khadas-vim3.rst @@ -18,6 +18,33 @@ Technology Co., Ltd. with the following specifications: Schematics are available on the manufacturer website. +PCIe Setup +---------- +The VIM3 on-board MCU can mux the PCIe/USB3.0 shared differential +lines using a FUSB340TMX USB 3.1 SuperSpeed Data Switch between +an USB3.0 Type A connector and a M.2 Key M slot. +The PHY driving these differential lines is shared between +the USB3.0 controller and the PCIe Controller, thus only +a single controller can use it. + +To setup for PCIe, run the following commands from U-Boot: + +.. code-block:: none + + i2c dev i2c@5000 + i2c mw 0x18 0x33 1 + +Then power-cycle the board. + +To set back to USB3.0, run the following commands from U-Boot: + +.. code-block:: none + + i2c dev i2c@5000 + i2c mw 0x18 0x33 0 + +Then power-cycle the board. + U-Boot compilation ------------------ diff --git a/doc/board/amlogic/khadas-vim3l.rst b/doc/board/amlogic/khadas-vim3l.rst index b380c17456..3c0a415a87 100644 --- a/doc/board/amlogic/khadas-vim3l.rst +++ b/doc/board/amlogic/khadas-vim3l.rst @@ -18,6 +18,33 @@ Technology Co., Ltd. with the following specifications: Schematics are available on the manufacturer website. +PCIe Setup +---------- +The VIM3 on-board MCU can mux the PCIe/USB3.0 shared differential +lines using a FUSB340TMX USB 3.1 SuperSpeed Data Switch between +an USB3.0 Type A connector and a M.2 Key M slot. +The PHY driving these differential lines is shared between +the USB3.0 controller and the PCIe Controller, thus only +a single controller can use it. + +To setup for PCIe, run the following commands from U-Boot: + +.. code-block:: none + + i2c dev i2c@5000 + i2c mw 0x18 0x33 1 + +Then power-cycle the board. + +To set back to USB3.0, run the following commands from U-Boot: + +.. code-block:: none + + i2c dev i2c@5000 + i2c mw 0x18 0x33 0 + +Then power-cycle the board. + U-Boot compilation ------------------ |