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superio/nuvoton: Correct NCT6791D COM A mux toggle 

Bit 6 of global CR 0x2a toggles the mux for COM B. Bit 7 works just like
on the other two Nuvoton Super I/Os, so fold the conditionals together.

Change-Id: I8cebe35587ae68cac93ed392342662678621efd6
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46521
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
This commit is contained in:
Angel Pons 2020-10-17 14:57:39 +02:00 committed by Patrick Georgi
parent e16971ac64
commit 9357ac3860
1 changed files with 1 additions and 4 deletions
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5
src/superio/nuvoton/common/early_serial.c
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@ -53,14 +53,11 @@ void nuvoton_enable_serial(pnp_devfn_t dev, u16 iobase)
nuvoton_pnp_enter_conf_state(dev);
if (CONFIG(SUPERIO_NUVOTON_NCT5539D_COM_A) ||
CONFIG(SUPERIO_NUVOTON_NCT6791D_COM_A) ||
CONFIG(SUPERIO_NUVOTON_NCT6776_COM_A))
/* Route COM A to GPIO8 pin group */
pnp_unset_and_set_config(dev, 0x2a, 1 << 7, 0);
if (CONFIG(SUPERIO_NUVOTON_NCT6791D_COM_A))
/* Route COM A to GPIO8 pin group */
pnp_write_config(dev, 0x2a, 0x00);
pnp_set_logical_device(dev);
pnp_set_enable(dev, 0);
pnp_set_iobase(dev, PNP_IDX_IO0, iobase);