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Raspberry Pi: which kernel module provides ttyAMA0?
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xaviermiller
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Joined: 23 Jul 2004
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PostPosted: Sun Jun 22, 2014 4:56 pm    Post subject: Raspberry Pi: which kernel module provides ttyAMA0? Reply with quote

Hello,

I have a stripped-down kernel, and I don't have /dev/ttyAMA0 (the serial console via the GPIO port).
Do you know which module to activate?

Kind regards,
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Xavier Miller
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bbgermany
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Joined: 21 Feb 2005
Posts: 1844
Location: Oranienburg/Germany

PostPosted: Sun Jun 22, 2014 6:53 pm    Post subject: Reply with quote

Hi,

you should check for these options in "Non-8250 serial port support":

Code:

CONFIG_SERIAL_AMBA_PL011=y
CONFIG_SERIAL_AMBA_PL011_CONSOLE=y


bb
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xaviermiller
Bodhisattva
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Joined: 23 Jul 2004
Posts: 8720
Location: ~Brussels - Belgique

PostPosted: Sun Jun 22, 2014 7:15 pm    Post subject: Reply with quote

Code:
[    0.530712] dev:f1: ttyAMA0 at MMIO 0x20201000 (irq = 83, base_baud = 0) is a PL011 rev3
[    0.873131] console [ttyAMA0] enabled


Thank you, it's working! 8)
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