diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/apollolake/include/soc/smm.h | 33 | ||||
| -rw-r--r-- | src/soc/intel/apollolake/smi.c | 76 |
2 files changed, 0 insertions, 109 deletions
diff --git a/src/soc/intel/apollolake/include/soc/smm.h b/src/soc/intel/apollolake/include/soc/smm.h deleted file mode 100644 index eda0bc4422..0000000000 --- a/src/soc/intel/apollolake/include/soc/smm.h +++ /dev/null @@ -1,33 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2016 Intel Corp. - * (Written by Lance Zhao <lijian.zhao@intel.com> for Intel Corp.) - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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. - */ - -#ifndef _SOC_SMM_H_ -#define _SOC_SMM_H_ - -#include <stdint.h> -#include <soc/gpio.h> -#include <fsp/memmap.h> - -/* - * The initialization of the southbridge is split into 2 compoments. One is - * for clearing the state in the SMM registers. The other is for enabling - * SMIs. - */ -void southbridge_smm_clear_state(void); -void southbridge_smm_enable_smi(void); - -#endif diff --git a/src/soc/intel/apollolake/smi.c b/src/soc/intel/apollolake/smi.c deleted file mode 100644 index eacc2cb074..0000000000 --- a/src/soc/intel/apollolake/smi.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2016 Intel Corp. - * (Written by Lance Zhao <lijian.zhao@intel.com> for Intel Corp.) - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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 <device/device.h> -#include <device/pci.h> -#include <console/console.h> -#include <arch/io.h> -#include <cpu/cpu.h> -#include <cpu/x86/cache.h> -#include <cpu/x86/smm.h> -#include <intelblocks/pmclib.h> -#include <string.h> -#include <soc/pm.h> -#include <soc/smm.h> - -void southbridge_smm_clear_state(void) -{ - printk(BIOS_DEBUG, "Initializing Southbridge SMI..."); - - if (pmc_get_smi_en() & APMC_EN) { - printk(BIOS_INFO, "SMI# handler already enabled?\n"); - return; - } - - printk(BIOS_DEBUG, "Done\n"); - - /* Dump and clear status registers */ - pmc_clear_smi_status(); - pmc_clear_pm1_status(); - pmc_clear_tco_status(); - pmc_clear_all_gpe_status(); -} - -void southbridge_smm_enable_smi(void) -{ - printk(BIOS_DEBUG, "Enabling SMIs.\n"); - /* Configure events */ - pmc_enable_pm1(PWRBTN_EN | GBL_EN); - pmc_disable_std_gpe(PME_B0_EN); - - /* Enable SMI generation */ - pmc_enable_smi(APMC_EN | SLP_SMI_EN | GBL_SMI_EN | EOS | GPIO_EN); -} - -void smm_setup_structures(void *gnvs, void *tcg, void *smi1) -{ - /* - * Issue SMI to set the gnvs pointer in SMM. - * tcg and smi1 are unused. - * - * EAX = APM_CNT_GNVS_UPDATE - * EBX = gnvs pointer - * EDX = APM_CNT - */ - asm volatile ( - "outb %%al, %%dx\n\t" - : /* ignore result */ - : "a" (APM_CNT_GNVS_UPDATE), - "b" ((u32)gnvs), - "d" (APM_CNT) - ); -} |