xen/arm/docs: Document Broadcom 7445D0 early printk support

Use CONFIG_EARLY_PRINTK=brcm for Broadcom 7445D0 based boards.

Signed-off-by: Jon Fraser <jfraser@broadcom.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/docs/misc/arm/early-printk.txt b/docs/misc/arm/early-printk.txt
index 14317519ffb25ffaf48eb6957b7c7ff8489caa0f..3d5a8fddb6424154283ca82db3f3886804a884fb 100644 (file)
--- a/docs/misc/arm/early-printk.txt
+++ b/docs/misc/arm/early-printk.txt
@@ -16,6 +16,7 @@ where mach is the name of the machine:
   - omap5432: printk with UART3 on TI OMAP5432 processors
   - sun6i: printk with 8250 on Allwinner A31 processors
   - sun7i: printk with 8250 on Allwinner A20 processors
+  - brcm: printk with 8250 on Broadcom 7445D0 boards with A15 processors.
 
 The base address and baud rate is hardcoded in xen/arch/arm/Rules.mk,
 see there when adding support for new machines.