From 72a2eaf4d5364d5c5b7632b75d62c84f7bf490c8 Mon Sep 17 00:00:00 2001 From: Patrick Georgi Date: Wed, 19 Dec 2012 16:32:47 +0100 Subject: Rename mainboard_smi.c to smihandler.c This mirrors the naming convention of handlers in northbridge and southbridge. Change-Id: I45d97c569991c955f0ae54ce909d8c267e9a5173 Signed-off-by: Patrick Georgi Reviewed-on: http://review.coreboot.org/2058 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones Reviewed-by: Stefan Reinauer --- src/mainboard/samsung/stumpy/smihandler.c | 113 ++++++++++++++++++++++++++++++ 1 file changed, 113 insertions(+) create mode 100644 src/mainboard/samsung/stumpy/smihandler.c (limited to 'src/mainboard/samsung/stumpy/smihandler.c') diff --git a/src/mainboard/samsung/stumpy/smihandler.c b/src/mainboard/samsung/stumpy/smihandler.c new file mode 100644 index 0000000000..660bb31cd4 --- /dev/null +++ b/src/mainboard/samsung/stumpy/smihandler.c @@ -0,0 +1,113 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* Include romstage serial for SIO helper functions */ +#include + +int mainboard_io_trap_handler(int smif) +{ + switch (smif) { + case 0x99: + printk(BIOS_DEBUG, "Sample\n"); + smm_get_gnvs()->smif = 0; + break; + default: + return 0; + } + + /* On success, the IO Trap Handler returns 0 + * On failure, the IO Trap Handler returns a value != 0 + * + * For now, we force the return value to 0 and log all traps to + * see what's going on. + */ + //gnvs->smif = 0; + return 1; +} + +/* + * Change LED_POWER# (SIO GPIO 45) state based on sleep type. + * The IO address is hardcoded as we don't have device path in SMM. + */ +#define SIO_GPIO_BASE_SET4 (0x730 + 3) +#define SIO_GPIO_BLINK_GPIO45 0x25 +void mainboard_smi_sleep(u8 slp_typ) +{ + u8 reg8; + + switch (slp_typ) { + case SLP_TYP_S3: + case SLP_TYP_S4: + /* Blink LED */ + it8772f_enter_conf(); + it8772f_sio_write(IT8772F_CONFIG_REG_LDN, IT8772F_GPIO); + /* Enable blink pin map */ + it8772f_sio_write(IT8772F_GPIO_LED_BLINK1_PINMAP, + SIO_GPIO_BLINK_GPIO45); + /* Enable 4HZ blink */ + it8772f_sio_write(IT8772F_GPIO_LED_BLINK1_CONTROL, 0x02); + /* Set GPIO to alternate function */ + reg8 = it8772f_sio_read(GPIO_REG_ENABLE(3)); + reg8 &= ~(1 << 5); + it8772f_sio_write(GPIO_REG_ENABLE(3), reg8); + it8772f_exit_conf(); + break; + + case SLP_TYP_S5: + /* Turn off LED */ + reg8 = inb(SIO_GPIO_BASE_SET4); + reg8 |= (1 << 5); + outb(reg8, SIO_GPIO_BASE_SET4); + break; + } +} + +#define APMC_FINALIZE 0xcb + +static int mainboard_finalized = 0; + +int mainboard_smi_apmc(u8 apmc) +{ + switch (apmc) { + case APMC_FINALIZE: + if (mainboard_finalized) { + printk(BIOS_DEBUG, "SMI#: Already finalized\n"); + return 0; + } + + intel_me_finalize_smm(); + intel_pch_finalize_smm(); + intel_sandybridge_finalize_smm(); + intel_model_206ax_finalize_smm(); + + mainboard_finalized = 1; + break; + } + return 0; +} -- cgit v1.2.3