mx31pdk: add CONFIG_SPL_LIBGENERIC_SUPPORT

[karo-tx-uboot.git] / config.mk

diff --git a/config.mk b/config.mk
index 9099c1111e42e40623a2fb0bf5a1d0fdc0bad472..b427a4eed0c6f05a74308592652826fdf3b06426 100644 (file)
--- a/config.mk
+++ b/config.mk
@@ -23,6 +23,13 @@
 
 #########################################################################
 
+# Set shell to bash if possible, otherwise fall back to sh
+SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
+       else if [ -x /bin/bash ]; then echo /bin/bash; \
+       else echo sh; fi; fi)
+
+export SHELL
+
 ifeq ($(CURDIR),$(SRCTREE))
 dir :=
 else
@@ -149,6 +156,7 @@ OBJCOPY = $(CROSS_COMPILE)objcopy
 OBJDUMP = $(CROSS_COMPILE)objdump
 RANLIB = $(CROSS_COMPILE)RANLIB
 DTC    = dtc
+CHECK  = sparse
 
 #########################################################################
 
@@ -194,7 +202,7 @@ OBJCFLAGS += --gap-fill=0xff
 gccincdir := $(shell $(CC) -print-file-name=include)
 
 CPPFLAGS := $(DBGFLAGS) $(OPTFLAGS) $(RELFLAGS)                \
-       -D__KERNEL__ -DCONFIG_SERIAL_MULTI
+       -D__KERNEL__
 
 # Enable garbage collection of un-used sections for SPL
 ifeq ($(CONFIG_SPL_BUILD),y)
@@ -214,10 +222,22 @@ ifneq ($(CONFIG_SPL_PAD_TO),)
 CPPFLAGS += -DCONFIG_SPL_PAD_TO=$(CONFIG_SPL_PAD_TO)
 endif
 
+ifneq ($(CONFIG_UBOOT_PAD_TO),)
+CPPFLAGS += -DCONFIG_UBOOT_PAD_TO=$(CONFIG_UBOOT_PAD_TO)
+endif
+
 ifeq ($(CONFIG_SPL_BUILD),y)
 CPPFLAGS += -DCONFIG_SPL_BUILD
 endif
 
+# Does this architecture support generic board init?
+ifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
+ifneq ($(CONFIG_SYS_GENERIC_BOARD),)
+CHECK_GENERIC_BOARD = $(error Your architecture does not support generic board. \
+Please undefined CONFIG_SYS_GENERIC_BOARD in your board config file)
+endif
+endif
+
 ifneq ($(RESET_VECTOR_ADDRESS),)
 CPPFLAGS += -DRESET_VECTOR_ADDRESS=$(RESET_VECTOR_ADDRESS)
 endif
@@ -275,6 +295,10 @@ ifneq ($(CONFIG_SPL_TEXT_BASE),)
 LDFLAGS_u-boot-spl += -Ttext $(CONFIG_SPL_TEXT_BASE)
 endif
 
+# Linus' kernel sanity checking tool
+CHECKFLAGS     := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
+                  -Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
+
 # Location of a usable BFD library, where we define "usable" as
 # "built for ${HOST}, supports ${TARGET}".  Sensible values are
 # - When cross-compiling: the root of the cross-environment
@@ -322,6 +346,9 @@ $(obj)%.s:  %.S
 $(obj)%.o:     %.S
        $(CC)  $(ALL_AFLAGS) -o $@ $< -c
 $(obj)%.o:     %.c
+ifneq ($(CHECKSRC),0)
+       $(CHECK) $(CHECKFLAGS) $(ALL_CFLAGS) $<
+endif
        $(CC)  $(ALL_CFLAGS) -o $@ $< -c
 $(obj)%.i:     %.c
        $(CPP) $(ALL_CFLAGS) -o $@ $< -c