[PATCH v2 1/4] arm: qemu: Enable Bochs video support

[Alper Nebi Yasak]

Commit 716161663ec49 ("riscv: qemu: Enable Bochs video support") enables
a video console for QEMU RISC-V virtual machines using an emulated Bochs
VGA card. Similarly, enable it for ARM virtual machines as well.

Signed-off-by: Alper Nebi Yasak <alpernebiyasak at gmail.com>
Reviewed-by: Bin Meng <bmeng at tinylab.org>
---

Changes in v2:
- Add tag: "Reviewed-by: Bin Meng <bmeng at tinylab.org>"

 arch/arm/Kconfig                      | 4 ++++
 board/emulation/qemu-arm/qemu-arm.env | 3 +++
 doc/board/emulation/qemu-arm.rst      | 4 ++++
 3 files changed, 11 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 97c25b4f146d..0d4654fb9dfc 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1036,6 +1036,10 @@ config ARCH_QEMU
 	imply DM_RTC
 	imply RTC_PL031
 	imply OF_HAS_PRIOR_STAGE
+	imply VIDEO
+	imply VIDEO_BOCHS
+	imply SYS_WHITE_ON_BLACK
+	imply SYS_CONSOLE_IS_IN_ENV
 
 config ARCH_RMOBILE
 	bool "Renesas ARM SoCs"
diff --git a/board/emulation/qemu-arm/qemu-arm.env b/board/emulation/qemu-arm/qemu-arm.env
index e658d5ee7d63..86a99a2e8713 100644
--- a/board/emulation/qemu-arm/qemu-arm.env
+++ b/board/emulation/qemu-arm/qemu-arm.env
@@ -2,6 +2,9 @@
 
 /* environment for qemu-arm and qemu-arm64 */
 
+stdin=serial
+stdout=serial,vidconsole
+stderr=serial,vidconsole
 fdt_high=0xffffffff
 initrd_high=0xffffffff
 fdt_addr=0x40000000
diff --git a/doc/board/emulation/qemu-arm.rst b/doc/board/emulation/qemu-arm.rst
index b42d924cc66a..1108fe5f8184 100644
--- a/doc/board/emulation/qemu-arm.rst
+++ b/doc/board/emulation/qemu-arm.rst
@@ -67,6 +67,10 @@ Additional persistent U-Boot environment support can be added as follows:
 Additional peripherals that have been tested to work in both U-Boot and Linux
 can be enabled with the following command line parameters:
 
+- To add a video console, remove "-nographic" and add e.g.::
+
+    -serial stdio -device VGA
+
 - To add a Serial ATA disk via an Intel ICH9 AHCI controller, pass e.g.::
 
     -drive if=none,file=disk.img,format=raw,id=mydisk \
-- 
2.40.1