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drivers/qemu/bochs: Allow building for non-x86 architectures

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The Bochs display driver uses port I/O functions to initialize the VGA
device, so it could only have been built on x86 architectures so far,
but its supported devices can be used just fine on others on the QEMU
side as long as the emulated platform supports PCI. A previous commit
adds port I/O functions for more including ARM* and RISC-V, which should
enable this driver to be successfully built and used on these as well.

Allow the Bochs display driver to be built for non-x86 QEMU boards by
changing the Kconfig dependencies. Make VGA text framebuffer support
depend on x86, because it isn't usable at the standard 0xB8000 address
on other architectures. Add a dependency on PCI since this is a PCI
device and vexpress-a9 (qemu-armv7) doesn't have the (emulated) hardware
for PCI.

Change-Id: I7f72d7ea13e54ecf89d067394c02b572c5f92d24
Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80376
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Alicja Michalska <ahplka19@gmail.com>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
This commit is contained in:
Alper Nebi Yasak 2023-12-05 12:55:31 +03:00 • committed by Matt DeVillier
commit 5171098814
1 changed files with 3 additions and 2 deletions
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5
src/drivers/emulation/qemu/Kconfig
View file

@ -3,9 +3,10 @@
config DRIVERS_EMULATION_QEMU_BOCHS
bool "bochs dispi interface vga driver"
default y
depends on CPU_QEMU_X86
depends on PCI
depends on VENDOR_EMULATION
depends on MAINBOARD_DO_NATIVE_VGA_INIT
select HAVE_VGA_TEXT_FRAMEBUFFER
select HAVE_VGA_TEXT_FRAMEBUFFER if CPU_QEMU_X86
select HAVE_LINEAR_FRAMEBUFFER
select VGA
help