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ACPI: Have common acpi_fill_mcfg()

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As long as there is only one PCI segment we do not need
more complicated MCFG generation.

Change-Id: Ic2a8e84383883039bb7f994227e2e425366f9e13
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50666
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Kyösti Mälkki
2021-02-14 15:09:45 +02:00
parent 9ae922abf7
commit b54388df63
25 changed files with 9 additions and 180 deletions
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10
src/acpi/acpi.c
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@@ -263,6 +263,13 @@ void acpi_create_madt(acpi_madt_t *madt)
header->checksum = acpi_checksum((void *)madt, header->length);
}
static unsigned long acpi_fill_mcfg(unsigned long current)
{
current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *)current,
CONFIG_MMCONF_BASE_ADDRESS, 0, 0, CONFIG_MMCONF_BUS_NUMBER - 1);
return current;
}
/* MCFG is defined in the PCI Firmware Specification 3.0. */
void acpi_create_mcfg(acpi_mcfg_t *mcfg)
{
@@ -284,7 +291,8 @@ void acpi_create_mcfg(acpi_mcfg_t *mcfg)
header->length = sizeof(acpi_mcfg_t);
header->revision = get_acpi_table_revision(MCFG);
current = acpi_fill_mcfg(current);
if (CONFIG(MMCONF_SUPPORT))
current = acpi_fill_mcfg(current);
/* (Re)calculate length and checksum. */
header->length = current - (unsigned long)mcfg;