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| -rw-r--r-- | doc/board/apple/m1.rst | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/doc/board/apple/m1.rst b/doc/board/apple/m1.rst index 9fa21767c92..083bfb0a1a6 100644 --- a/doc/board/apple/m1.rst +++ b/doc/board/apple/m1.rst @@ -7,18 +7,21 @@ Allows Apple Silicon Macs to boot U-Boot via the m1n1 bootloader developed by the Asahi Linux project. At this point the machines with the following SoCs work: - - Apple M1 SoC + - Apple M1 SoC (t8103) + - Apple M1 Pro SoC (t6000) + - Apple M1 Max SoC (t6001) On these SoCs the following hardware is supported: - S5L serial port + - SPI keyboard (on laptops) - Framebuffer + - NVMe storage - USB 3.1 Type-C ports -Device trees are currently provided for the M1 Mac mini (2020, J274) -and M1 MacBook Pro 13" (2020, J293). The M1 MacBook Air (2020) is -expected to work with the J293 device tree. The M1 iMac (2021) may -work with the J274 device tree. +Device trees are currently provided for the M1 Mac mini (2020, J274), +M1 MacBook Pro 13" (2020, J293), M1 MacBook Air (2020, J313) and M1 +iMac (2021, J456/J457). Building U-Boot --------------- @@ -57,3 +60,23 @@ Instructions on how to install U-Boot on your Mac can be found at: https://github.com/AsahiLinux/docs/wiki/Developer-Quickstart Just replace ``m1n1.macho`` with ``u-boot.macho`` in the instructions. + +Debug UART +---------- + +Since the base address of the UART is SoC-dependent, the debug UART is +not enabled by default. To enable the debug UART the base address +needs to be adjusted and the CONFIG_DEBUG_UART option needs to be +enabled. The table below gives the correct base address for the +supported SoCs. + +.. list-table:: + :widths: 32 16 + :header-rows: 1 + + * - SoC + - Base Address + * - M1 (t8103) + - 0x235200000 + * - M1 Pro/Max (t6000/t6001) + - 0x39b200000 |