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[Xen-devel] [PATCH v2 5/5] arm/early-printk: add Calxeda Midway UART support



With the help of the previous patches add a stanza to
xen/arch/arm/Rules.mk to specify the UART configuration of the
Calxeda Midway machine.
The information has been taken from the Linux kernel's .dts file.
This can be enabled by adding "CONFIG_EARLY_PRINTK=midway" to
Config.mk.

Signed-off-by: Andre Przywara <andre.przywara@xxxxxxxxxxx>
---
 docs/misc/arm/early-printk.txt | 1 +
 xen/arch/arm/Rules.mk          | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/docs/misc/arm/early-printk.txt b/docs/misc/arm/early-printk.txt
index e423cc4..fbc3208 100644
--- a/docs/misc/arm/early-printk.txt
+++ b/docs/misc/arm/early-printk.txt
@@ -11,6 +11,7 @@ CONFIG_EARLY_PRINTK=mach
 where mach is the name of the machine:
   - vexpress: printk with pl011 for versatile express
   - exynos5250: printk with the second UART
+  - midway: printk with the pl011 on Calxeda Midway processors
   - fastmodel: printk on ARM Fastmodel software emulators
 
 The base address and baud rate is hardcoded in xen/arch/arm/Rules.mk,
diff --git a/xen/arch/arm/Rules.mk b/xen/arch/arm/Rules.mk
index d010c69..422ed04 100644
--- a/xen/arch/arm/Rules.mk
+++ b/xen/arch/arm/Rules.mk
@@ -59,6 +59,11 @@ EARLY_PRINTK_INIT_UART := y
 EARLY_PRINTK_BAUD := 115200
 EARLY_UART_BASE_ADDRESS := 0x12c20000
 endif
+ifeq ($(CONFIG_EARLY_PRINTK), midway)
+EARLY_PRINTK_INC := pl011
+EARLY_PRINTK_BAUD := 115200
+EARLY_UART_BASE_ADDRESS := 0xfff36000
+endif
 
 ifneq ($(EARLY_PRINTK_INC),)
 EARLY_PRINTK := y
-- 
1.7.12.1


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