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authorNico Huber <nico.h@gmx.de>2023-07-07 13:56:21 +0200
committerMichał Żygowski <michal.zygowski@3mdeb.com>2023-07-08 20:03:07 +0000
commita959f0ad7620e2e8b13b51c34f7397caf53e9a5f (patch)
tree8ef1e20ab91032ad6b0cfc039f07bffa91ffc719 /src
parent0834b222c9fd9c3e2b054b81581d2d03ad9dfbc6 (diff)
allocator_v4: Disable top-down allocation for EDK2
EDK2 seems to have problems at least with the resource allocation for Intel's IGD. While the investigation is ongoing, disable top-down allocation by default if the payload is known to be EDK2. Change-Id: I771d8a3b74b54a043624843a00498225d1f509ad Signed-off-by: Nico Huber <nico.h@gmx.de> Ticket: https://ticket.coreboot.org/issues/499 Reviewed-on: https://review.coreboot.org/c/coreboot/+/76373 Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Sean Rhodes <sean@starlabs.systems>
Diffstat (limited to 'src')
-rw-r--r--src/device/Kconfig7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/device/Kconfig b/src/device/Kconfig
index 2d2c6fffa7..8c6c734ad9 100644
--- a/src/device/Kconfig
+++ b/src/device/Kconfig
@@ -994,12 +994,15 @@ config I2C_TRANSFER_TIMEOUT_US
is aborted and an error returned.
config RESOURCE_ALLOCATION_TOP_DOWN
- def_bool y
+ bool "Allocate resources from top down"
+ default n if PAYLOAD_EDK2
+ default y
help
Top-down allocation is required to place resources above 4G by
default (i.e. even when there is still space below). On some
platforms, it might make a difference because of conflicts with
- undeclared resources.
+ undeclared resources. EDK2 is currently reported to also have
+ problems on some platforms, at least with Intel's IGD.
config XHCI_UTILS
def_bool n