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pci-host/q35: Move PAM initialization above SMRAM initialization 

In mch_realize(), process PAM initialization before SMRAM initialization so
that later patch can skill all the SMRAM related with a single check.

Signed-off-by: Isaku Yamahata <isaku.yamahata@intel.com>
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Signed-off-by: Michael Roth <michael.roth@amd.com>
Message-ID: <20240320083945.991426-18-michael.roth@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Isaku Yamahata 2024-03-20 03:39:13 -05:00 committed by Paolo Bonzini
parent 41bdd98128
commit 42c11ae241
1 changed files with 10 additions and 9 deletions
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19
hw/pci-host/q35.c
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@ -568,6 +568,16 @@ static void mch_realize(PCIDevice *d, Error **errp)
/* setup pci memory mapping */
pc_pci_as_mapping_init(mch->system_memory, mch->pci_address_space);
/* PAM */
init_pam(&mch->pam_regions[0], OBJECT(mch), mch->ram_memory,
mch->system_memory, mch->pci_address_space,
PAM_BIOS_BASE, PAM_BIOS_SIZE);
for (i = 0; i < ARRAY_SIZE(mch->pam_regions) - 1; ++i) {
init_pam(&mch->pam_regions[i + 1], OBJECT(mch), mch->ram_memory,
mch->system_memory, mch->pci_address_space,
PAM_EXPAN_BASE + i * PAM_EXPAN_SIZE, PAM_EXPAN_SIZE);
}
/* if *disabled* show SMRAM to all CPUs */
memory_region_init_alias(&mch->smram_region, OBJECT(mch), "smram-region",
mch->pci_address_space, MCH_HOST_BRIDGE_SMRAM_C_BASE,
@ -634,15 +644,6 @@ static void mch_realize(PCIDevice *d, Error **errp)
object_property_add_const_link(qdev_get_machine(), "smram",
OBJECT(&mch->smram));
init_pam(&mch->pam_regions[0], OBJECT(mch), mch->ram_memory,
mch->system_memory, mch->pci_address_space,
PAM_BIOS_BASE, PAM_BIOS_SIZE);
for (i = 0; i < ARRAY_SIZE(mch->pam_regions) - 1; ++i) {
init_pam(&mch->pam_regions[i + 1], OBJECT(mch), mch->ram_memory,
mch->system_memory, mch->pci_address_space,
PAM_EXPAN_BASE + i * PAM_EXPAN_SIZE, PAM_EXPAN_SIZE);
}
}
uint64_t mch_mcfg_base(void)