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device: add ALWAYS_RUN_OPROM option 

Certain platforms require that the option rom always needs to be
ran in order for display to work correctly. Therefore, provide
this ability for the platform to select such that we force option
rom loading.

BUG=b:72400950

Change-Id: I597bc8af7ac8b68fe8505aac5f1c7e1ccd34ac27
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/23505
Reviewed-by: Justin TerAvest <teravest@chromium.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Aaron Durbin 2018-01-30 10:04:02 -07:00
parent fbed9a5fac
commit 10510255f7
2 changed files with 12 additions and 0 deletions
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7
src/device/Kconfig
View File

@ -140,6 +140,13 @@ config ALWAYS_LOAD_OPROM
are needed for the kernel's display driver to know how a piece of
hardware is configured to be used.
config ALWAYS_RUN_OPROM
def_bool n
depends on VGA_ROM_RUN && ALWAYS_LOAD_OPROM
help
Always uncondtionally run the option regardless of other
policies.
config ON_DEVICE_ROM_LOAD
bool "Load Option ROMs on PCI devices"
default n if PAYLOAD_SEABIOS

5
src/device/pci_device.c
View File

@ -671,6 +671,11 @@ static int should_run_oprom(struct device *dev)
if (should_run >= 0)
return should_run;
if (IS_ENABLED(CONFIG_ALWAYS_RUN_OPROM)) {
should_run = 1;
return should_run;
}
/* Don't run VGA option ROMs, unless we have to print
* something on the screen before the kernel is loaded.
*/