Files
system76-coreboot/src/mainboard/apple/macbookair4_2/Kconfig
Patrick Rudolph 5c10abeb73 nb/intel/sandybridge: increase MMCONF_BASE_ADDRESS
Set MMCONF_BASE_ADDRESS to 0xf8000000.
It was already done for some boards, but not all.

The sandybridge chipset code assumes 64 pci buses behind MMCONF.
Therefore, only 64MiB of physical address space is required.

Increasing the address allows to use additional 128MiB of MMIO
space and to use the Intel IGD and a PEG at the same time.

Previously it wasn't possible to use both at the same time,
as two 256MiB areas won't fit into MMIO space.

Test system:
 * Gigabyte GA-B75M-D3H
 * Intel Pentium CPU G2130
 * Onboard GPU Intel IvyBridge Desktop
 * PEG GPU AMD RV770

Change-Id: I3bf72439056c8089ada6899bb0605e5cd9d89cd6
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/14096
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@googlemail.com>
2016-03-21 23:13:13 +01:00

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if BOARD_APPLE_MACBOOKAIR4_2
config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
select BOARD_ROMSIZE_KB_8192
select CPU_INTEL_SOCKET_RPGA989
select EC_ACPI
select HAVE_ACPI_RESUME
select HAVE_ACPI_TABLES
select INTEL_INT15
select NORTHBRIDGE_INTEL_SANDYBRIDGE
select USE_NATIVE_RAMINIT
select SERIRQ_CONTINUOUS_MODE
select SOUTHBRIDGE_INTEL_BD82X6X
select SYSTEM_TYPE_LAPTOP
select VGA
config HAVE_IFD_BIN
bool
default n
config HAVE_ME_BIN
bool
default n
config MAINBOARD_DIR
string
default apple/macbookair4_2
config MAINBOARD_PART_NUMBER
string
default "MacBookAir4,2"
config VGA_BIOS_FILE
string
default "pci8086,0116.rom"
config VGA_BIOS_ID
string
default "8086,0116"
config MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID
hex
default 0x7270
config MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID
hex
default 0x8086
config MMCONF_BASE_ADDRESS
hex
default 0xf8000000
config DRAM_RESET_GATE_GPIO
int
default 60
config MAX_CPUS
int
default 8
endif