From bf9f24385739d29dd5ccea82dec06e1cdd2c10fe Mon Sep 17 00:00:00 2001 From: Edward O'Callaghan Date: Tue, 6 May 2014 17:24:59 +1000 Subject: [PATCH] superio/common/conf_mode: Provide another common pnp entry/exit ITE Super I/O's make use of this method to enter and exit in and out of their PNP configuration. Provide functions for use in ram stage component. Change-Id: I2b546c2b17eefc89aaab4982192f5e9a15a16c2f Signed-off-by: Edward O'Callaghan Reviewed-on: http://review.coreboot.org/5666 Tested-by: build bot (Jenkins) Reviewed-by: Rudolf Marek --- src/include/superio/conf_mode.h | 5 ++++- src/superio/common/conf_mode.c | 24 ++++++++++++++++++++++++ 2 files changed, 28 insertions(+), 1 deletion(-) diff --git a/src/include/superio/conf_mode.h b/src/include/superio/conf_mode.h index b93b889a96..c49cae7e5a 100644 --- a/src/include/superio/conf_mode.h +++ b/src/include/superio/conf_mode.h @@ -27,8 +27,11 @@ void pnp_enter_conf_mode_55(device_t dev); void pnp_enter_conf_mode_8787(device_t dev); void pnp_exit_conf_mode_aa(device_t dev); +void pnp_enter_conf_mode_870155aa(device_t dev); +void pnp_exit_conf_mode_0202(device_t dev); extern const struct pnp_mode_ops pnp_conf_mode_55_aa; extern const struct pnp_mode_ops pnp_conf_mode_8787_aa; +extern const struct pnp_mode_ops pnp_conf_mode_870155_aa; -#endif +#endif /* DEVICE_PNP_CONF_MODE_H */ diff --git a/src/superio/common/conf_mode.c b/src/superio/common/conf_mode.c index 40583ffc49..f3e6277b22 100644 --- a/src/superio/common/conf_mode.c +++ b/src/superio/common/conf_mode.c @@ -39,6 +39,25 @@ void pnp_exit_conf_mode_aa(device_t dev) outb(0xaa, dev->path.pnp.port); } +void pnp_enter_conf_mode_870155aa(device_t dev) +{ + outb(0x87, dev->path.pnp.port); + outb(0x01, dev->path.pnp.port); + outb(0x55, dev->path.pnp.port); + + if (dev->path.pnp.port == 0x4e) + outb(0xaa, dev->path.pnp.port); + else + outb(0x55, dev->path.pnp.port); +} + +void pnp_exit_conf_mode_0202(device_t dev) +{ + outb(0x02, dev->path.pnp.port); + outb(0x02, dev->path.pnp.port + 1); +} + + const struct pnp_mode_ops pnp_conf_mode_55_aa = { .enter_conf_mode = pnp_enter_conf_mode_55, .exit_conf_mode = pnp_exit_conf_mode_aa, @@ -48,3 +67,8 @@ const struct pnp_mode_ops pnp_conf_mode_8787_aa = { .enter_conf_mode = pnp_enter_conf_mode_8787, .exit_conf_mode = pnp_exit_conf_mode_aa, }; + +const struct pnp_mode_ops pnp_conf_mode_870155_aa = { + .enter_conf_mode = pnp_enter_conf_mode_870155aa, + .exit_conf_mode = pnp_exit_conf_mode_0202, +};