diff options
| -rw-r--r-- | src/soc/intel/apollolake/smihandler.c | 12 | ||||
| -rw-r--r-- | src/soc/intel/cannonlake/smihandler.c | 43 | ||||
| -rw-r--r-- | src/soc/intel/common/block/include/intelblocks/smihandler.h | 9 | ||||
| -rw-r--r-- | src/soc/intel/common/block/smm/smihandler.c | 42 | ||||
| -rw-r--r-- | src/soc/intel/icelake/smihandler.c | 42 | ||||
| -rw-r--r-- | src/soc/intel/skylake/smihandler.c | 39 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/smihandler.c | 42 |
7 files changed, 44 insertions, 185 deletions
diff --git a/src/soc/intel/apollolake/smihandler.c b/src/soc/intel/apollolake/smihandler.c index 424d66f0d7..e37de92d2a 100644 --- a/src/soc/intel/apollolake/smihandler.c +++ b/src/soc/intel/apollolake/smihandler.c @@ -2,7 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2013 Google Inc. - * Copyright (C) 2015-2016 Intel Corp. + * Copyright (C) 2015-2020 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 @@ -34,16 +34,6 @@ const struct smm_save_state_ops *get_smm_save_state_ops(void) return &em64t100_smm_ops; } -/* SMI handlers that should be serviced in SCI mode too. */ -uint32_t smihandler_soc_get_sci_mask(void) -{ - uint32_t sci_mask = - SMI_HANDLER_SCI_EN(APM_STS_BIT) | - SMI_HANDLER_SCI_EN(SMI_ON_SLP_EN_STS_BIT); - - return sci_mask; -} - const smi_handler_t southbridge_smi[32] = { [SMI_ON_SLP_EN_STS_BIT] = smihandler_southbridge_sleep, [APM_STS_BIT] = smihandler_southbridge_apmc, diff --git a/src/soc/intel/cannonlake/smihandler.c b/src/soc/intel/cannonlake/smihandler.c index 4d0b241517..550c92dc6f 100644 --- a/src/soc/intel/cannonlake/smihandler.c +++ b/src/soc/intel/cannonlake/smihandler.c @@ -3,7 +3,7 @@ * * Copyright (C) 2008-2009 coresystems GmbH * Copyright (C) 2014 Google Inc. - * Copyright (C) 2017 Intel Corporation. + * Copyright (C) 2017-2020 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 @@ -17,26 +17,19 @@ #include <console/console.h> #include <device/pci_def.h> -#include <intelblocks/fast_spi.h> +#include <intelblocks/cse.h> #include <intelblocks/p2sb.h> #include <intelblocks/pcr.h> #include <intelblocks/smihandler.h> -#include <soc/p2sb.h> +#include <soc/soc_chip.h> #include <soc/pci_devs.h> #include <soc/pcr_ids.h> #include <soc/pm.h> -#include "chip.h" - #define CSME0_FBE 0xf #define CSME0_BAR 0x0 #define CSME0_FID 0xb0 -const struct smm_save_state_ops *get_smm_save_state_ops(void) -{ - return &em64t101_smm_ops; -} - static void pch_disable_heci(void) { struct pcr_sbi_msg msg = { @@ -85,36 +78,6 @@ void smihandler_soc_at_finalize(void) pch_disable_heci(); } -void smihandler_soc_check_illegal_access(uint32_t tco_sts) -{ - if (!((tco_sts & (1 << 8)) && CONFIG(SPI_FLASH_SMM) - && fast_spi_wpd_status())) - return; - - /* - * BWE is RW, so the SMI was caused by a - * write to BWE, not by a write to the BIOS - * - * This is the place where we notice someone - * is trying to tinker with the BIOS. We are - * trying to be nice and just ignore it. A more - * resolute answer would be to power down the - * box. - */ - printk(BIOS_DEBUG, "Switching back to RO\n"); - fast_spi_enable_wp(); -} - -/* SMI handlers that should be serviced in SCI mode too. */ -uint32_t smihandler_soc_get_sci_mask(void) -{ - uint32_t sci_mask = - SMI_HANDLER_SCI_EN(APM_STS_BIT) | - SMI_HANDLER_SCI_EN(SMI_ON_SLP_EN_STS_BIT); - - return sci_mask; -} - const smi_handler_t southbridge_smi[SMI_STS_BITS] = { [SMI_ON_SLP_EN_STS_BIT] = smihandler_southbridge_sleep, [APM_STS_BIT] = smihandler_southbridge_apmc, diff --git a/src/soc/intel/common/block/include/intelblocks/smihandler.h b/src/soc/intel/common/block/include/intelblocks/smihandler.h index d8520f12c6..06b9e212ad 100644 --- a/src/soc/intel/common/block/include/intelblocks/smihandler.h +++ b/src/soc/intel/common/block/include/intelblocks/smihandler.h @@ -156,15 +156,6 @@ void smihandler_soc_at_finalize(void); */ int smihandler_soc_disable_busmaster(pci_devfn_t dev); -/* SMI handlers that should be serviced in SCI mode too. */ -uint32_t smihandler_soc_get_sci_mask(void); - -/* - * SoC needs to implement the mechanism to know if an illegal attempt - * has been made to write to the BIOS area. - */ -void smihandler_soc_check_illegal_access(uint32_t tco_sts); - /* Mainboard overrides. */ /* Mainboard handler for GPI SMIs */ diff --git a/src/soc/intel/common/block/smm/smihandler.c b/src/soc/intel/common/block/smm/smihandler.c index 4677d27943..54f4e41e50 100644 --- a/src/soc/intel/common/block/smm/smihandler.c +++ b/src/soc/intel/common/block/smm/smihandler.c @@ -2,7 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2013 Google Inc. - * Copyright (C) 2015-2017 Intel Corp. + * Copyright (C) 2015-2020 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 @@ -44,6 +44,11 @@ static struct global_nvs_t *gnvs; /* SoC overrides. */ +__weak const struct smm_save_state_ops *get_smm_save_state_ops(void) +{ + return &em64t101_smm_ops; +} + /* Specific SOC SMI handler during ramstage finalize phase */ __weak void smihandler_soc_at_finalize(void) { @@ -55,20 +60,29 @@ __weak int smihandler_soc_disable_busmaster(pci_devfn_t dev) return 1; } -/* SMI handlers that should be serviced in SCI mode too. */ -__weak uint32_t smihandler_soc_get_sci_mask(void) -{ - return 0; /* No valid SCI mask for SMI handler */ -} - /* * Needs to implement the mechanism to know if an illegal attempt * has been made to write to the BIOS area. */ -__weak void smihandler_soc_check_illegal_access( +static void smihandler_soc_check_illegal_access( uint32_t tco_sts) { - return; + if (!((tco_sts & (1 << 8)) && CONFIG(SPI_FLASH_SMM) + && fast_spi_wpd_status())) + return; + + /* + * BWE is RW, so the SMI was caused by a + * write to BWE, not by a write to the BIOS + * + * This is the place where we notice someone + * is trying to tinker with the BIOS. We are + * trying to be nice and just ignore it. A more + * resolute answer would be to power down the + * box. + */ + printk(BIOS_DEBUG, "Switching back to RO\n"); + fast_spi_enable_wp(); } /* Mainboard overrides. */ @@ -472,6 +486,16 @@ void smihandler_southbridge_espi( mainboard_smi_espi_handler(); } +/* SMI handlers that should be serviced in SCI mode too. */ +static uint32_t smihandler_soc_get_sci_mask(void) +{ + uint32_t sci_mask = + SMI_HANDLER_SCI_EN(APM_STS_BIT) | + SMI_HANDLER_SCI_EN(SMI_ON_SLP_EN_STS_BIT); + + return sci_mask; +} + void southbridge_smi_handler(void) { int i; diff --git a/src/soc/intel/icelake/smihandler.c b/src/soc/intel/icelake/smihandler.c index b7c37d4aa7..5228f5d4a0 100644 --- a/src/soc/intel/icelake/smihandler.c +++ b/src/soc/intel/icelake/smihandler.c @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2018 Intel Corp. + * Copyright (C) 2018-2020 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 @@ -15,25 +15,19 @@ #include <console/console.h> #include <device/pci_def.h> -#include <intelblocks/fast_spi.h> +#include <intelblocks/cse.h> #include <intelblocks/p2sb.h> #include <intelblocks/pcr.h> #include <intelblocks/smihandler.h> -#include <soc/p2sb.h> +#include <soc/soc_chip.h> #include <soc/pci_devs.h> #include <soc/pcr_ids.h> #include <soc/pm.h> -#include <soc/soc_chip.h> #define CSME0_FBE 0xf #define CSME0_BAR 0x0 #define CSME0_FID 0xb0 -const struct smm_save_state_ops *get_smm_save_state_ops(void) -{ - return &em64t101_smm_ops; -} - static void pch_disable_heci(void) { struct pcr_sbi_msg msg = { @@ -82,36 +76,6 @@ void smihandler_soc_at_finalize(void) pch_disable_heci(); } -void smihandler_soc_check_illegal_access(uint32_t tco_sts) -{ - if (!((tco_sts & (1 << 8)) && CONFIG(SPI_FLASH_SMM) - && fast_spi_wpd_status())) - return; - - /* - * BWE is RW, so the SMI was caused by a - * write to BWE, not by a write to the BIOS - * - * This is the place where we notice someone - * is trying to tinker with the BIOS. We are - * trying to be nice and just ignore it. A more - * resolute answer would be to power down the - * box. - */ - printk(BIOS_DEBUG, "Switching back to RO\n"); - fast_spi_enable_wp(); -} - -/* SMI handlers that should be serviced in SCI mode too. */ -uint32_t smihandler_soc_get_sci_mask(void) -{ - uint32_t sci_mask = - SMI_HANDLER_SCI_EN(APM_STS_BIT) | - SMI_HANDLER_SCI_EN(SMI_ON_SLP_EN_STS_BIT); - - return sci_mask; -} - const smi_handler_t southbridge_smi[SMI_STS_BITS] = { [SMI_ON_SLP_EN_STS_BIT] = smihandler_southbridge_sleep, [APM_STS_BIT] = smihandler_southbridge_apmc, diff --git a/src/soc/intel/skylake/smihandler.c b/src/soc/intel/skylake/smihandler.c index 2e93075f7b..4818c0202e 100644 --- a/src/soc/intel/skylake/smihandler.c +++ b/src/soc/intel/skylake/smihandler.c @@ -3,7 +3,7 @@ * * Copyright (C) 2008-2009 coresystems GmbH * Copyright (C) 2014 Google Inc. - * Copyright (C) 2015-2017 Intel Corporation. + * Copyright (C) 2015-2020 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 @@ -15,46 +15,9 @@ * GNU General Public License for more details. */ -#include <console/console.h> -#include <intelblocks/fast_spi.h> #include <intelblocks/smihandler.h> #include <soc/pm.h> -const struct smm_save_state_ops *get_smm_save_state_ops(void) -{ - return &em64t101_smm_ops; -} - -void smihandler_soc_check_illegal_access(uint32_t tco_sts) -{ - if (!((tco_sts & (1 << 8)) && CONFIG(SPI_FLASH_SMM) - && fast_spi_wpd_status())) - return; - - /* - * BWE is RW, so the SMI was caused by a - * write to BWE, not by a write to the BIOS - * - * This is the place where we notice someone - * is trying to tinker with the BIOS. We are - * trying to be nice and just ignore it. A more - * resolute answer would be to power down the - * box. - */ - printk(BIOS_DEBUG, "Switching back to RO\n"); - fast_spi_enable_wp(); -} - -/* SMI handlers that should be serviced in SCI mode too. */ -uint32_t smihandler_soc_get_sci_mask(void) -{ - uint32_t sci_mask = - SMI_HANDLER_SCI_EN(APM_STS_BIT) | - SMI_HANDLER_SCI_EN(SMI_ON_SLP_EN_STS_BIT); - - return sci_mask; -} - const smi_handler_t southbridge_smi[SMI_STS_BITS] = { [SMI_ON_SLP_EN_STS_BIT] = smihandler_southbridge_sleep, [APM_STS_BIT] = smihandler_southbridge_apmc, diff --git a/src/soc/intel/tigerlake/smihandler.c b/src/soc/intel/tigerlake/smihandler.c index bf07beadb6..68954eb999 100644 --- a/src/soc/intel/tigerlake/smihandler.c +++ b/src/soc/intel/tigerlake/smihandler.c @@ -1,7 +1,7 @@ /* * This file is part of the coreboot project. * - * Copyright (C) 2019 Intel Corp. + * Copyright (C) 2019-2020 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 @@ -15,25 +15,19 @@ #include <console/console.h> #include <device/pci_def.h> -#include <intelblocks/fast_spi.h> +#include <intelblocks/cse.h> #include <intelblocks/p2sb.h> #include <intelblocks/pcr.h> #include <intelblocks/smihandler.h> -#include <soc/p2sb.h> +#include <soc/soc_chip.h> #include <soc/pci_devs.h> #include <soc/pcr_ids.h> #include <soc/pm.h> -#include <soc/soc_chip.h> #define CSME0_FBE 0xf #define CSME0_BAR 0x0 #define CSME0_FID 0xb0 -const struct smm_save_state_ops *get_smm_save_state_ops(void) -{ - return &em64t101_smm_ops; -} - static void pch_disable_heci(void) { struct pcr_sbi_msg msg = { @@ -82,36 +76,6 @@ void smihandler_soc_at_finalize(void) pch_disable_heci(); } -void smihandler_soc_check_illegal_access(uint32_t tco_sts) -{ - if (!((tco_sts & (1 << 8)) && CONFIG(SPI_FLASH_SMM) - && fast_spi_wpd_status())) - return; - - /* - * BWE is RW, so the SMI was caused by a - * write to BWE, not by a write to the BIOS - * - * This is the place where we notice someone - * is trying to tinker with the BIOS. We are - * trying to be nice and just ignore it. A more - * resolute answer would be to power down the - * box. - */ - printk(BIOS_DEBUG, "Switching back to RO\n"); - fast_spi_enable_wp(); -} - -/* SMI handlers that should be serviced in SCI mode too. */ -uint32_t smihandler_soc_get_sci_mask(void) -{ - uint32_t sci_mask = - SMI_HANDLER_SCI_EN(APM_STS_BIT) | - SMI_HANDLER_SCI_EN(SMI_ON_SLP_EN_STS_BIT); - - return sci_mask; -} - const smi_handler_t southbridge_smi[SMI_STS_BITS] = { [SMI_ON_SLP_EN_STS_BIT] = smihandler_southbridge_sleep, [APM_STS_BIT] = smihandler_southbridge_apmc, |