sio/winbond: Expose enter/exit configuration state functions
Certain mainboards, e.g. the ASUS KGPE-D16/KCMA-D8, require board-specific configuration changes to the SuperIO. Expose the functions needed to enter and exit configuration mode on Winbond devices. Change-Id: Ic86651872ecafcfe1398201be2b0768bbe460975 Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-on: https://review.coreboot.org/14891 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com> Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
parent
09210a1487
commit
9891b4a28b
|
@ -42,7 +42,7 @@
|
|||
#define WINBOND_EXIT_KEY 0xAA
|
||||
|
||||
/* Enable configuration: pass entry key '0x87' into index port dev. */
|
||||
static void pnp_enter_conf_state(pnp_devfn_t dev)
|
||||
void pnp_enter_conf_state(pnp_devfn_t dev)
|
||||
{
|
||||
u16 port = dev >> 8;
|
||||
outb(WINBOND_ENTRY_KEY, port);
|
||||
|
@ -50,7 +50,7 @@ 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 pnp_exit_conf_state(pnp_devfn_t dev)
|
||||
{
|
||||
u16 port = dev >> 8;
|
||||
outb(WINBOND_EXIT_KEY, port);
|
||||
|
|
|
@ -22,4 +22,7 @@
|
|||
|
||||
void winbond_enable_serial(pnp_devfn_t dev, u16 iobase);
|
||||
|
||||
void pnp_enter_conf_state(pnp_devfn_t dev);
|
||||
void pnp_exit_conf_state(pnp_devfn_t dev);
|
||||
|
||||
#endif /* SUPERIO_WINBOND_COMMON_ROMSTAGE_H */
|
||||
|
|
Loading…
Reference in New Issue