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[PULL,01/23] hw/arm/virt: add linux, stdout-path to /chosen DT node

Message ID 1410528234-13545-2-git-send-email-peter.maydell@linaro.org
State New
Headers show

Commit Message

Peter Maydell Sept. 12, 2014, 1:23 p.m. UTC 
From: Ard Biesheuvel <ard.biesheuvel@linaro.org>

Add a property "linux,stdout-path" to the /chosen DT node and make
it point to the emulated UART. This allows users such as the Linux
kernel to produce console output without the need to pass console=
or earlycon=pl011,0x... command line arguments.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 1409317439-29349-1-git-send-email-ard.biesheuvel@linaro.org
Reviewed-by: Rob Herring <rob.herring@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 hw/arm/virt.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index d6fffc7..e8f231e 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -376,6 +376,8 @@  static void create_uart(const VirtBoardInfo *vbi, qemu_irq *pic)
                                vbi->clock_phandle, vbi->clock_phandle);
     qemu_fdt_setprop(vbi->fdt, nodename, "clock-names",
                          clocknames, sizeof(clocknames));
+
+    qemu_fdt_setprop_string(vbi->fdt, "/chosen", "linux,stdout-path", nodename);
     g_free(nodename);
 }