diff options
Diffstat (limited to 'src/mainboard/roda/rk9/smihandler.c')
-rw-r--r-- | src/mainboard/roda/rk9/smihandler.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/mainboard/roda/rk9/smihandler.c b/src/mainboard/roda/rk9/smihandler.c new file mode 100644 index 0000000000..8a87cd993b --- /dev/null +++ b/src/mainboard/roda/rk9/smihandler.c @@ -0,0 +1,76 @@ +/* + * 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 <arch/io.h> +#include <arch/romcc_io.h> +#include <console/console.h> +#include <cpu/x86/smm.h> +#include <southbridge/intel/i82801ix/nvs.h> +#include <southbridge/intel/i82801ix/i82801ix.h> +#include <ec/acpi/ec.h> + +/* The southbridge SMI handler checks whether gnvs has a + * valid pointer before calling the trap handler + */ +extern global_nvs_t *gnvs; + +int mainboard_io_trap_handler(int smif) +{ + switch (smif) { + case 0x99: + printk(BIOS_DEBUG, "Sample\n"); + 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; +} + +void mainboard_smi_gpi(u16 gpi_sts) +{ + if (gpi_sts & (1 << 1)) { + printk(BIOS_DEBUG, "EC/SMI\n"); + /* TODO */ + } +} + +int mainboard_smi_apmc(u8 apmc) +{ + switch (apmc) { + case APM_CNT_ACPI_ENABLE: + send_ec_command(0x05); /* Set_SMI_Disable */ + send_ec_command(0xaa); /* Set_ACPI_Enable */ + break; + + case APM_CNT_ACPI_DISABLE: + send_ec_command(0x04); /* Set_SMI_Enable */ + send_ec_command(0xab); /* Set_ACPI_Disable */ + break; + } + return 0; +} |