From 902518e983d5aa3c1fdb5dfd91ca1fb468117191 Mon Sep 17 00:00:00 2001 From: Marshall Dawson Date: Tue, 27 Oct 2020 16:32:11 -0600 Subject: soc/amd/picasso: Fix the PSP SMI trigger info Align coreboot's PSP MboxBiosCmdSmmInfo setup to how AGESA's PSP library was implemented. The trigger address must be an SMI trigger register. Assign one of the reserved triggers to the PSP. The #define of SMITYPE_PSP 33 is still correct and is intentionally unmodified. This patch should be innocuous as the system doesn't currently support SMI-based features of the PSP. The call only exists so the PSP will honor a mailbox command during S3 suspend. BUG=b:171815390 TEST=Run SST on Morphius BRANCH=Zork Signed-off-by: Marshall Dawson Change-Id: I74029271a522a4f23e54fd76f99a8e3eb0dd4d55 Reviewed-on: https://review.coreboot.org/c/coreboot/+/46854 Reviewed-by: Felix Held Reviewed-by: Jason Glenesk Tested-by: build bot (Jenkins) --- src/soc/amd/picasso/include/soc/smi.h | 1 + src/soc/amd/picasso/psp.c | 6 +++--- 2 files changed, 4 insertions(+), 3 deletions(-) (limited to 'src/soc/amd/picasso') diff --git a/src/soc/amd/picasso/include/soc/smi.h b/src/soc/amd/picasso/include/soc/smi.h index a629fc5541..0529ef6877 100644 --- a/src/soc/amd/picasso/include/soc/smi.h +++ b/src/soc/amd/picasso/include/soc/smi.h @@ -160,6 +160,7 @@ #define SMI_TIMER_EN (1 << 15) #define SMI_REG_SMITRIG0 0x98 +# define SMITRIG0_PSP (1 << 25) # define SMITRG0_EOS (1 << 28) # define SMI_TIMER_SEL (1 << 29) # define SMITRG0_SMIENB (1 << 31) diff --git a/src/soc/amd/picasso/psp.c b/src/soc/amd/picasso/psp.c index e40d395637..702b0d9d96 100644 --- a/src/soc/amd/picasso/psp.c +++ b/src/soc/amd/picasso/psp.c @@ -27,11 +27,11 @@ void soc_fill_smm_trig_info(struct smm_trigger_info *trig) if (!trig) return; - trig->address = (uintptr_t)acpimmio_smi + SMI_REG_CONTROL2; + trig->address = (uintptr_t)acpimmio_smi + SMI_REG_SMITRIG0; trig->address_type = SMM_TRIGGER_MEM; trig->value_width = SMM_TRIGGER_DWORD; - trig->value_and_mask = 0xfdffffff; - trig->value_or_mask = 0x02000000; + trig->value_and_mask = ~SMITRIG0_PSP; + trig->value_or_mask = SMITRIG0_PSP; } void soc_fill_smm_reg_info(struct smm_register_info *reg) -- cgit v1.2.3