a5a529599d
At least a part or the remaining definitions in the soc-specific smi.h files are also common, but those have to be verified more closely. Change-Id: I5a3858e793331a8d2ec262371fa22abac044fd4a Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Reviewed-on: https://review.coreboot.org/c/coreboot/+/48217 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <console/console.h>
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#include <cpu/x86/msr.h>
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#include <soc/smi.h>
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#include <amdblocks/acpimmio.h>
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#include <amdblocks/psp.h>
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#include <amdblocks/smi.h>
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#define PSP_MAILBOX_OFFSET 0x10570
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#define MSR_CU_CBBCFG 0xc00110a2
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void *soc_get_mbox_address(void)
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{
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uintptr_t psp_mmio;
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psp_mmio = rdmsr(MSR_CU_CBBCFG).lo;
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if (psp_mmio == 0xffffffff) {
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printk(BIOS_WARNING, "PSP: MSR_CU_CBBCFG uninitialized\n");
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return 0;
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}
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return (void *)(psp_mmio + PSP_MAILBOX_OFFSET);
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}
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void soc_fill_smm_trig_info(struct smm_trigger_info *trig)
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{
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if (!trig)
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return;
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trig->address = (uintptr_t)acpimmio_smi + SMI_REG_SMITRIG0;
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trig->address_type = SMM_TRIGGER_MEM;
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trig->value_width = SMM_TRIGGER_DWORD;
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trig->value_and_mask = ~SMITRIG0_PSP;
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trig->value_or_mask = SMITRIG0_PSP;
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}
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void soc_fill_smm_reg_info(struct smm_register_info *reg)
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{
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if (!reg)
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return;
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reg->smi_enb.address = (uintptr_t)acpimmio_smi + SMI_REG_SMITRIG0;
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reg->smi_enb.address_type = SMM_TRIGGER_MEM;
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reg->smi_enb.value_width = SMM_TRIGGER_DWORD;
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reg->smi_enb.reg_bit_mask = SMITRG0_SMIENB;
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reg->smi_enb.expect_value = 0;
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reg->eos.address = (uintptr_t)acpimmio_smi + SMI_REG_SMITRIG0;
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reg->eos.address_type = SMM_TRIGGER_MEM;
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reg->eos.value_width = SMM_TRIGGER_DWORD;
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reg->eos.reg_bit_mask = SMITRG0_EOS;
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reg->eos.expect_value = SMITRG0_EOS;
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reg->psp_smi_en.address = (uintptr_t)acpimmio_smi + SMI_REG_CONTROL0;
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reg->psp_smi_en.address += sizeof(uint32_t) * SMITYPE_PSP / 16;
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reg->psp_smi_en.address_type = SMM_TRIGGER_MEM;
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reg->psp_smi_en.value_width = SMM_TRIGGER_DWORD;
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reg->psp_smi_en.reg_bit_mask = SMI_MODE_MASK << (2 * SMITYPE_PSP % 16);
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reg->psp_smi_en.expect_value = SMI_MODE_SMI << (2 * SMITYPE_PSP % 16);
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}
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