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-rw-r--r--docs/misc/arm/early-printk.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/misc/arm/early-printk.txt b/docs/misc/arm/early-printk.txt
index d5cae85ddb..10c30531f6 100644
--- a/docs/misc/arm/early-printk.txt
+++ b/docs/misc/arm/early-printk.txt
@@ -12,4 +12,7 @@ where mach is the name of the machine:
- vexpress: printk with pl011 for versatile express
- exynos5250: printk with the second UART
+The baud rate is hardcoded in xen/arch/arm/Rules.mk,
+see there when adding support for new machines.
+
By default early printk is disabled.