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| author | Timothy Pearson <tpearson@raptorengineeringinc.com> | 2016-05-18 13:31:05 -0500 |
|---|---|---|
| committer | Timothy Pearson <tpearson@raptorengineering.com> | 2016-05-20 04:11:58 +0200 |
| commit | 9891b4a28b929b82d4121e2d31652af4bdd118ea (patch) | |
| tree | 445d0b00cf1fbbb8ca9b1943343f48667eb8f79d /src/superio/winbond | |
| parent | 09210a14870a9d3a2a607fa616b8ebc1d8661f6c (diff) | |
| download | coreboot-9891b4a28b929b82d4121e2d31652af4bdd118ea.tar.xz | |
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>
Diffstat (limited to 'src/superio/winbond')
| -rw-r--r-- | src/superio/winbond/common/early_serial.c | 4 | ||||
| -rw-r--r-- | src/superio/winbond/common/winbond.h | 3 |
2 files changed, 5 insertions, 2 deletions
diff --git a/src/superio/winbond/common/early_serial.c b/src/superio/winbond/common/early_serial.c index 7bd1707f95..6482a94838 100644 --- a/src/superio/winbond/common/early_serial.c +++ b/src/superio/winbond/common/early_serial.c @@ -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); diff --git a/src/superio/winbond/common/winbond.h b/src/superio/winbond/common/winbond.h index ad5e4510f9..1f7e7b1794 100644 --- a/src/superio/winbond/common/winbond.h +++ b/src/superio/winbond/common/winbond.h @@ -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 */ |