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| author | Matt DeVillier <matt.devillier@gmail.com> | 2018-12-24 21:46:46 -0600 |
|---|---|---|
| committer | Matt DeVillier <matt.devillier@gmail.com> | 2020-03-03 14:18:01 +0000 |
| commit | 8187f11d1a3b21a4cf38f4560f9c9921deb06757 (patch) | |
| tree | 42214c477d60469950dc765fe9e08e51dc4a5ba7 /src/southbridge/intel/lynxpoint/smihandler.c | |
| parent | 63cdea2b2d6062f02a17b9f2e136f714f403f6f4 (diff) | |
sb/lynxpoint: hook up smmstore
Adapted from implementation in sb/intel/common.
Test: build/boot variants of google/{beltino,slippy}
with Tianocore and SMMSTORE enabled
Change-Id: I64f520d17146206b8b9b41fc4f827539c5cfd507
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39189
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/southbridge/intel/lynxpoint/smihandler.c')
| -rw-r--r-- | src/southbridge/intel/lynxpoint/smihandler.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/src/southbridge/intel/lynxpoint/smihandler.c b/src/southbridge/intel/lynxpoint/smihandler.c index 72c344757d..4ac4ff948d 100644 --- a/src/southbridge/intel/lynxpoint/smihandler.c +++ b/src/southbridge/intel/lynxpoint/smihandler.c @@ -29,7 +29,7 @@ #include <southbridge/intel/common/finalize.h> #include <northbridge/intel/haswell/haswell.h> #include <cpu/intel/haswell/haswell.h> - +#include <smmstore.h> #include "me.h" #include "pch.h" #include "nvs.h" @@ -266,6 +266,26 @@ static void southbridge_smi_gsmi(void) *ret = gsmi_exec(sub_command, param); } +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, (void *)reg_ebx); + io_smi->rax = ret; +} + static void southbridge_smi_apmc(void) { u8 reg8; @@ -332,6 +352,10 @@ static void southbridge_smi_apmc(void) if (CONFIG(ELOG_GSMI)) southbridge_smi_gsmi(); break; + case APM_CNT_SMMSTORE: + if (CONFIG(SMMSTORE)) + southbridge_smi_store(); + break; } mainboard_smi_apmc(reg8); |