At least one board file needs to be selected to successfully build
a kernel, so this one adds logic to the omap Kconfig file to
pick one default board file when all others are disabled. Since
the available boards depend on the SoC family (omap2/3/4) being
selected first, this adds one default for each family.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 arch/arm/mach-omap2/Kconfig |   39 +++++++++++++++++++++++++++++++++++++++
 1 files changed, 39 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 3c9fb89..fd0ab18 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -120,6 +120,45 @@ config MACH_OMAP_GENERIC
 	depends on ARCH_OMAP2
 	default y
 
+config MACH_OMAP_AUTO_BOARD
+	def_bool y
+	depends on !MACH_OMAP2_TUSB6010
+	depends on !MACH_OMAP_H4
+	depends on !MACH_OMAP_APOLLON
+	depends on !MACH_OMAP_APOLLON
+	depends on !MACH_OMAP_2430SDP
+	depends on !MACH_OMAP3_BEAGLE
+	depends on !MACH_DEVKIT8000
+	depends on !MACH_OMAP_LDP
+	depends on !MACH_OMAP3530_LV_SOM
+	depends on !MACH_OMAP3_TORPEDO
+	depends on !MACH_OVERO
+	depends on !MACH_OMAP3EVM
+	depends on !MACH_OMAP3517EVM
+	depends on !MACH_CRANEBOARD
+	depends on !MACH_OMAP3_PANDORA
+	depends on !MACH_OMAP3_TOUCHBOOK
+	depends on !MACH_NOKIA_N8X0
+	depends on !MACH_NOKIA_RM680
+	depends on !MACH_NOKIA_RX51
+	depends on !MACH_OMAP_ZOOM2
+	depends on !MACH_OMAP_ZOOM3
+	depends on !MACH_CM_T35
+	depends on !MACH_CM_T3517
+	depends on !MACH_IGEP0020
+	depends on !MACH_IGEP0030
+	depends on !MACH_SBC3530
+	depends on !MACH_OMAP_3630SDP
+	depends on !MACH_TI8168EVM
+	depends on !MACH_OMAP4_PANDA
+	select MACH_OMAP_GENERIC if ARCH_OMAP2
+	select MACH_OMAP_3430SDP if ARCH_OMAP3 && !ARCH_OMAP2
+	select MACH_OMAP_4430SDP if ARCH_OMAP4 && !ARCH_OMAP3 && !ARCH_OMAP2
+	help
+	  The kernel needs to have support for at least one board
+	  in order to build. If none is selected, default to the
+	  generic board.
+
 config MACH_OMAP2_TUSB6010
 	bool
 	depends on ARCH_OMAP2 && SOC_OMAP2420
-- 
1.7.5.4