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superio/nuvoton: Make SuperIO config functions externally available 

Change-Id: I05f768c67542770e65279a562c05225b84edca40
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/19626
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: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
This commit is contained in:
Arthur Heymans 2017-05-08 21:08:23 +02:00 committed by Patrick Georgi
parent 512a2d1c4f
commit d84a1cae09
2 changed files with 6 additions and 4 deletions
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8
src/superio/nuvoton/common/early_serial.c
View File

@ -45,7 +45,7 @@
/* Enable configuration: pass entry key '0x87' into index port dev
* two times. */
static void pnp_enter_conf_state(pnp_devfn_t dev)
void nuvoton_pnp_enter_conf_state(pnp_devfn_t dev)
{
u16 port = dev >> 8;
outb(NUVOTON_ENTRY_KEY, port);
@ -53,7 +53,7 @@ static void pnp_enter_conf_state(pnp_devfn_t dev)
}
/* Disable configuration: pass exit key '0xAA' into index port dev. */
static void pnp_exit_conf_state(pnp_devfn_t dev)
void nuvoton_pnp_exit_conf_state(pnp_devfn_t dev)
{
u16 port = dev >> 8;
outb(NUVOTON_EXIT_KEY, port);
@ -62,7 +62,7 @@ static void pnp_exit_conf_state(pnp_devfn_t dev)
/* Bring up early serial debugging output before the RAM is initialized. */
void nuvoton_enable_serial(pnp_devfn_t dev, u16 iobase)
{
pnp_enter_conf_state(dev);
nuvoton_pnp_enter_conf_state(dev);
if (IS_ENABLED(CONFIG_SUPERIO_NUVOTON_NCT6776_COM_A))
/* Route GPIO8 pin group to COM A */
pnp_write_config(dev, 0x2a, 0x40);
@ -70,5 +70,5 @@ void nuvoton_enable_serial(pnp_devfn_t dev, u16 iobase)
pnp_set_enable(dev, 0);
pnp_set_iobase(dev, PNP_IDX_IO0, iobase);
pnp_set_enable(dev, 1);
pnp_exit_conf_state(dev);
nuvoton_pnp_exit_conf_state(dev);
}

2
src/superio/nuvoton/common/nuvoton.h
View File

@ -21,6 +21,8 @@
#include <arch/io.h>
#include <stdint.h>
void nuvoton_pnp_enter_conf_state(pnp_devfn_t dev);
void nuvoton_pnp_exit_conf_state(pnp_devfn_t dev);
void nuvoton_enable_serial(pnp_devfn_t dev, u16 iobase);
#endif /* SUPERIO_NUVOTON_COMMON_ROMSTAGE_H */