1 files changed, 21 insertions, 1 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 121153f57796..6a8d80be1c4c 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -410,6 +410,26 @@ config ARCH_EBSA110
           Ethernet interface, two PCMCIA sockets, two serial ports and a
           parallel port.
 
+config ARCH_EFM32
+        bool "Energy Micro efm32"
+        depends on !MMU
+        select ARCH_REQUIRE_GPIOLIB
+        select ARM_NVIC
+        # CLKSRC_MMIO is wrong here, but needed until a proper fix is merged,
+        # i.e. CLKSRC_EFM32 selecting CLKSRC_MMIO
+        select CLKSRC_MMIO
+        select CLKSRC_OF
+        select COMMON_CLK
+        select CPU_V7M
+        select GENERIC_CLOCKEVENTS
+        select NO_DMA
+        select NO_IOPORT
+        select SPARSE_IRQ
+        select USE_OF
+        help
+          Support for Energy Micro's (now Silicon Labs) efm32 Giant Gecko
+          processors.
+
 config ARCH_EP93XX
         bool "EP93xx-based"
         select ARCH_HAS_HOLES_MEMORYMODEL
@@ -1801,7 +1821,7 @@ config FORCE_MAX_ZONEORDER
         int "Maximum zone order" if ARCH_SHMOBILE
         range 11 64 if ARCH_SHMOBILE
         default "12" if SOC_AM33XX
-        default "9" if SA1111
+        default "9" if SA1111 || ARCH_EFM32
         default "11"
         help
           The kernel memory allocator divides physically contiguous memory