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README: Document hardware SOC UART support
BIOS does not support it. Signed-off-by: Daniel Schaefer <dhs@frame.work>
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README.md

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@@ -337,14 +337,20 @@ console with no other graphics or networking running.
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#### Hardware Support
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| Codename | Type-C Port | Commandline parameter | Function | Flipped? |
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|-----------|--------------|---------------------------|----------|----------|
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| Dogwood | Top Back | `console=ttyS4,115200` | Full TTY | No |
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| Tulip | Middle Right | `console=ttyS4,115200` | Full TTY | Yes |
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| Marigold | Front Right | `console=ttyS4,115200` | Full TTY | No |
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| Lilac | Back Left | `console=ttyS4,115200` | Full TTY | No |
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| Sakura | Front Right | `console=ttyS0,115200n8` | Full TTY | No |
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| Sunflower | Front Right | `console=uart,0xfe03e000` | Log only | No |
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| Codename | Type-C Port | Commandline parameter | Function | Flipped? | BIOS Ver |
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|-----------|--------------|---------------------------|----------|----------|----------|
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| Dogwood | Top Back | `console=ttyS4,115200` | Full TTY | No | 3.00+ |
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| Lotus | Middle Right | | | | N/A |
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| Tulip | Middle Right | `console=ttyS4,115200` | Full TTY | Yes | 3.00+ |
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| Lilac | Back Left | `console=ttyS4,115200` | Full TTY | No | 3.00+ |
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| Azalea | Front Right | | | | N/A |
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| TGL | N/A | | | | |
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| ADL/Iris | Back Left | `console=ttyS0,115200n8` | | | N/A |
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| Marigold | Front Right | `console=ttyS0,115200n8` | | No | N/A |
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| Sakura | Front Right | `console=ttyS0,115200n8` | Full TTY | No | 3.00+ |
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| Sunflower | Front Right | `console=uart,0xfe03e000` | Log only | No | 3.00+ |
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ADL, Iris, Azalea, Lotus, Marigold have support in hardware but the BIOS does not expose it to the OS.
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### BIOS
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