| /* |
| * This file is part of the coreboot project. |
| * |
| * |
| * 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. |
| */ |
| |
| #include <console/console.h> |
| #include <cpu/x86/smm.h> |
| #include <ec/google/chromeec/smm.h> |
| #include <soc/iomap.h> |
| #include <soc/nvs.h> |
| #include <soc/pm.h> |
| #include <intelblocks/smihandler.h> |
| #include "ec.h" |
| #include <variant/gpio.h> |
| |
| 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. |
| */ |
| return 1; |
| } |
| |
| void mainboard_smi_gpi_handler(const struct gpi_status *sts) |
| { |
| if (CONFIG(BOARD_INTEL_KBLRVP8)) |
| return; |
| |
| if (CONFIG(EC_GOOGLE_CHROMEEC)) |
| if (gpi_status_get(sts, EC_SMI_GPI)) |
| chromeec_smi_process_events(); |
| } |
| |
| void mainboard_smi_sleep(u8 slp_typ) |
| { |
| if (CONFIG(EC_GOOGLE_CHROMEEC)) |
| if (CONFIG(EC_GOOGLE_CHROMEEC)) |
| chromeec_smi_sleep(slp_typ, MAINBOARD_EC_S3_WAKE_EVENTS, |
| MAINBOARD_EC_S5_WAKE_EVENTS); |
| } |
| |
| int mainboard_smi_apmc(u8 apmc) |
| { |
| if (CONFIG(EC_GOOGLE_CHROMEEC)) |
| chromeec_smi_apmc(apmc, MAINBOARD_EC_SCI_EVENTS, |
| MAINBOARD_EC_SMI_EVENTS); |
| return 0; |
| } |