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Code Issues Releases Wiki Activity

ps2port: adjust init routine to fix PS/2 keyboard issues 

PS/2 keyboards on Chromebooks with upstream coreboot + SeaBIOS often
fail to init properly / register keystrokes.  Modify ps2port init
to match that of TianoCore, which doesn't have said issues.

Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Message-Id: <248435f9-c169-e1db-fc3e-62185b74899c@molgen.mpg.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Matt DeVillier 2016-08-12 14:21:58 -05:00 committed by Gerd Hoffmann
parent 29ee1fb85c
commit bfdb3f86e9
1 changed files with 13 additions and 5 deletions
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18
src/hw/ps2port.c
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@ -465,6 +465,14 @@ ps2_keyboard_setup(void *data)
if (ret)
return;
// Disable KB/mouse interfaces
ret = i8042_command(I8042_CMD_KBD_DISABLE, NULL);
if (ret)
return;
ret = i8042_command(I8042_CMD_AUX_DISABLE, NULL);
if (ret)
return;
// Controller self-test.
u8 param[2];
ret = i8042_command(I8042_CMD_CTL_TEST, param);
@ -475,6 +483,11 @@ ps2_keyboard_setup(void *data)
return;
}
// KB write CMD
ret = i8042_command(I8042_CMD_CTL_WCTR, NULL);
if (ret)
return;
// Controller keyboard test.
ret = i8042_command(I8042_CMD_KBD_TEST, param);
if (ret)
@ -505,11 +518,6 @@ ps2_keyboard_setup(void *data)
return;
}
/* Disable keyboard */
ret = ps2_kbd_command(ATKBD_CMD_RESET_DIS, NULL);
if (ret)
return;
// Set scancode command (mode 2)
param[0] = 0x02;
ret = ps2_kbd_command(ATKBD_CMD_SSCANSET, param);