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| author | Arthur Heymans <arthur@aheymans.xyz> | 2018-12-03 01:28:18 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-10-02 11:15:30 +0000 |
| commit | 4c80425f3037d43cc45d56801e0717471cea0489 (patch) | |
| tree | 83563808731968b9f18ea3f507a0d1b93fddd2c5 /src/southbridge | |
| parent | 6238563b2b65edac8e6dba4f8f20eb020c172317 (diff) | |
| download | coreboot-4c80425f3037d43cc45d56801e0717471cea0489.tar.xz | |
sb/intel/common/smihandler: Hook up smmstore
TESTED on Asus P5QC.
Change-Id: I20b87f3dcb898656ad31478820dd5153e4053cb2
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/30012
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/southbridge')
| -rw-r--r-- | src/southbridge/intel/common/Kconfig | 1 | ||||
| -rw-r--r-- | src/southbridge/intel/common/smihandler.c | 25 |
2 files changed, 26 insertions, 0 deletions
diff --git a/src/southbridge/intel/common/Kconfig b/src/southbridge/intel/common/Kconfig index c3bd90dca8..dfd89755ec 100644 --- a/src/southbridge/intel/common/Kconfig +++ b/src/southbridge/intel/common/Kconfig @@ -20,6 +20,7 @@ config SOUTHBRIDGE_INTEL_COMMON_SMBUS config SOUTHBRIDGE_INTEL_COMMON_SPI def_bool n select SPI_FLASH + select BOOT_DEVICE_SUPPORTS_WRITES config SOUTHBRIDGE_INTEL_COMMON_PIRQ_ACPI_GEN def_bool n diff --git a/src/southbridge/intel/common/smihandler.c b/src/southbridge/intel/common/smihandler.c index daa0959e3b..d61238c865 100644 --- a/src/southbridge/intel/common/smihandler.c +++ b/src/southbridge/intel/common/smihandler.c @@ -27,6 +27,7 @@ #include <halt.h> #include <pc80/mc146818rtc.h> #include <southbridge/intel/common/pmbase.h> +#include <smmstore.h> #include "pmutil.h" @@ -268,6 +269,26 @@ static void southbridge_smi_gsmi(void) } #endif +static void southbridge_smi_store(void) +{ + u8 sub_command, ret; + em64t101_smm_state_save_area_t *io_smi = + smi_apmc_find_state_save(APM_CNT_SMMSTORE); + uint32_t reg_ebx; + + if (!io_smi) + return; + /* Command and return value in EAX */ + sub_command = (io_smi->rax >> 8) & 0xff; + + /* Parameter buffer in EBX */ + reg_ebx = io_smi->rbx; + + /* drivers/smmstore/smi.c */ + ret = smmstore_exec(sub_command, (uintptr_t *)reg_ebx); + io_smi->rax = ret; +} + static int mainboard_finalized = 0; static void southbridge_smi_apmc(void) @@ -322,6 +343,10 @@ static void southbridge_smi_apmc(void) southbridge_smi_gsmi(); break; #endif + case APM_CNT_SMMSTORE: + if (CONFIG(SMMSTORE)) + southbridge_smi_store(); + break; } mainboard_smi_apmc(reg8); |