diff options
| author | Brandon Breitenstein <brandon.breitenstein@intel.com> | 2017-08-01 11:32:06 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-08-11 16:04:42 +0000 |
| commit | ae1548621acae99b7f7ac4a722607af0a4a0c825 (patch) | |
| tree | df032b9479804d2b0ab0452712c24f8858a23e53 /src/soc | |
| parent | 7c8d331fbb0bb51af441f7e7615be2486e56c0d2 (diff) | |
soc/cannonlake: Enable SMM code for Cannon Lake
The minimum needed defines are included here and pm.h
will be updated when the PMC code for cannonlake is uploaded.
Change-Id: Idaf2be1258b3ec71fa449b88516bcb06c730d776
Signed-off-by: Brandon Breitenstein <brandon.breitenstein@intel.com>
Reviewed-on: https://review.coreboot.org/20849
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/cannonlake/Kconfig | 2 | ||||
| -rw-r--r-- | src/soc/intel/cannonlake/include/soc/pm.h | 17 | ||||
| -rw-r--r-- | src/soc/intel/cannonlake/smihandler.c | 31 |
3 files changed, 50 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/Kconfig b/src/soc/intel/cannonlake/Kconfig index 471fe6ca78..fa5b8e4823 100644 --- a/src/soc/intel/cannonlake/Kconfig +++ b/src/soc/intel/cannonlake/Kconfig @@ -32,6 +32,8 @@ config CPU_SPECIFIC_OPTIONS select SOC_INTEL_COMMON_BLOCK_RTC select SOC_INTEL_COMMON_BLOCK_SA select SOC_INTEL_COMMON_BLOCK_SMBUS + select SOC_INTEL_COMMON_BLOCK_SMM + select SOC_INTEL_COMMON_BLOCK_SMM_IO_TRAP select SOC_INTEL_COMMON_BLOCK_TIMER select SOC_INTEL_COMMON_BLOCK_UART select SOC_INTEL_COMMON_RESET diff --git a/src/soc/intel/cannonlake/include/soc/pm.h b/src/soc/intel/cannonlake/include/soc/pm.h index d69250776c..66541228fe 100644 --- a/src/soc/intel/cannonlake/include/soc/pm.h +++ b/src/soc/intel/cannonlake/include/soc/pm.h @@ -20,6 +20,23 @@ #include <arch/acpi.h> #include <soc/pmc.h> +#define PM1_EN 0x02 +#define PWRBTN_EN (1 << 8) +#define GBL_EN (1 << 5) +#define SMI_EN 0x30 +#define ESPI_SMI_EN (1 << 28) +#define APMC_EN (1 << 5) +#define SLP_SMI_EN (1 << 4) +#define EOS (1 << 1) +#define GBL_SMI_EN (1 << 0) + + +#define GPE0_EN(x) (0x70 + ((x) * 4)) +#define PME_B0_EN (1 << 13) + +#define ENABLE_SMI_PARAMS \ + (APMC_EN | SLP_SMI_EN | GBL_SMI_EN | ESPI_SMI_EN | EOS) + struct chipset_power_state { uint16_t pm1_sts; uint16_t pm1_en; diff --git a/src/soc/intel/cannonlake/smihandler.c b/src/soc/intel/cannonlake/smihandler.c new file mode 100644 index 0000000000..eb3c5e3b47 --- /dev/null +++ b/src/soc/intel/cannonlake/smihandler.c @@ -0,0 +1,31 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * Copyright (C) 2014 Google Inc. + * Copyright (C) 2017 Intel Corporation. + * + * 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 <intelblocks/smihandler.h> + +static smi_handler_t southbridge_smi[SMI_STS_BITS] = { + [SMI_ON_SLP_EN_STS_BIT] = smihandler_southbridge_sleep, + [APM_STS_BIT] = smihandler_southbridge_apmc, + [PM1_STS_BIT] = smihandler_southbridge_pm1, + [GPE0_STS_BIT] = smihandler_southbridge_gpe0, + [GPIO_STS_BIT] = smihandler_southbridge_gpi, + [ESPI_SMI_STS_BIT] = smihandler_southbridge_espi, + [MCSMI_STS_BIT] = smihandler_southbridge_mc, + [TCO_STS_BIT] = smihandler_southbridge_tco, + [PERIODIC_STS_BIT] = smihandler_southbridge_periodic, + [MONITOR_STS_BIT] = smihandler_southbridge_monitor, +}; |