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| author | Olivier Blin <dev@blino.org> | 2018-04-09 22:47:07 +0200 |
|---|---|---|
| committer | Olivier Blin <dev@blino.org> | 2018-05-16 02:10:35 +0200 |
| commit | 960c89a63d41dfa2e2802ddfc92c7ddf92dafbd5 (patch) | |
| tree | 54e7dc9d6d122a307598f6b101ed1a829e837f59 | |
| parent | 006edf2c7e85f4d81a3548fd280b7804991daeb4 (diff) | |
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bootloader: add specific boot cmdline options for Raspberry Pi serial console
console=ttyS0,115200 will work on Raspberry Pi 3.
Raspberry Pi 2 does not boot without console=tty1 on cmdline.
To have console output on both serial port and HDMI display,
8250.nr_uarts=1 is needed.
On Raspberry Pi 2, though, it is required to edit /boot/extlinux/extlinux.conf
to use ttyAMA0 instead of ttyS0 in the console parameter.
| -rw-r--r-- | perl-install/NEWS | 1 | ||||
| -rw-r--r-- | perl-install/bootloader.pm | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/perl-install/NEWS b/perl-install/NEWS index b71697a7d..0c9971e89 100644 --- a/perl-install/NEWS +++ b/perl-install/NEWS @@ -4,6 +4,7 @@ o read/write extlinux.conf in U-Boot backend for ARM o build initrd for ARM arch o create /usr/lib/linux symlink for devicee tree files + o add specific boot options for Raspberry Pi serial console Version 17.96 - 13 March 2018 diff --git a/perl-install/bootloader.pm b/perl-install/bootloader.pm index d3783ed49..a93da7f3b 100644 --- a/perl-install/bootloader.pm +++ b/perl-install/bootloader.pm @@ -623,6 +623,11 @@ sub read_uboot() { $b{method} = 'uboot'; $b{timeout} //= 30; + my $is_raspberry = cat_("/proc/device-tree/model") =~ /^Raspberry Pi/; + if ($is_raspberry) { + $b{perImageAppend} //= "8250.nr_uarts=1 console=ttyS0,115200 console=tty1"; + } + $b{perImageAppend} //= $b{entries}[0]{append}; \%b; |