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authorAngel Pons <th3fanbus@gmail.com>2021-01-28 11:56:45 +0100
committerAngel Pons <th3fanbus@gmail.com>2021-01-31 11:12:25 +0000
commitcba669cd959299f2f4fe44f9adee6a8ddaebd448 (patch)
tree6013479bb29cadde838efa46f086f280d9913940 /src/mainboard/emulation/qemu-q35/acpi_tables.c
parent338d670beb6bb9a9ab667e97f9775de9d21bfa15 (diff)
mb/emulation/qemu-q35: Define and use MMCONF_BUS_NUMBER
Also refactor the machine type checks to avoid code duplication. Tested, still boots to payload with 256, 128 and 64 busses. Change-Id: Ib394ba605bbfeee75aa645e989c23034cceff348 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/50025 Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/emulation/qemu-q35/acpi_tables.c')
-rw-r--r--src/mainboard/emulation/qemu-q35/acpi_tables.c17
1 files changed, 3 insertions, 14 deletions
diff --git a/src/mainboard/emulation/qemu-q35/acpi_tables.c b/src/mainboard/emulation/qemu-q35/acpi_tables.c
index 03d357cbfc..90bab2f77e 100644
--- a/src/mainboard/emulation/qemu-q35/acpi_tables.c
+++ b/src/mainboard/emulation/qemu-q35/acpi_tables.c
@@ -10,7 +10,6 @@
#include "../qemu-i440fx/fw_cfg.h"
#include "../qemu-i440fx/acpi.h"
-#include "q35.h"
void mainboard_fill_fadt(acpi_fadt_t *fadt)
{
@@ -40,18 +39,8 @@ unsigned long acpi_fill_madt(unsigned long current)
unsigned long acpi_fill_mcfg(unsigned long current)
{
- struct device *dev;
- u32 reg;
-
- dev = dev_find_device(0x8086, 0x29c0, 0);
- if (!dev)
- return current;
-
- reg = pci_read_config32(dev, D0F0_PCIEXBAR_LO);
- if ((reg & 0x07) != 0x01) /* require enabled + 256MB size */
- return current;
-
- current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *) current,
- reg & 0xf0000000, 0x0, 0x0, 255);
+ current += acpi_create_mcfg_mmconfig((acpi_mcfg_mmconfig_t *)current,
+ CONFIG_MMCONF_BASE_ADDRESS, 0, 0,
+ CONFIG_MMCONF_BUS_NUMBER - 1);
return current;
}