X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=arch%2Farm%2Fconfig.mk;h=f4c2d81044addd5b1a6446940c29d39e49b95450;hp=dc64160789cc91527cc34d46cfbc31d2a93dbdbd;hb=388b2e520b07cc857c03a152fc6006763f78b9d6;hpb=fd725691797bb3192af15a15c2cba7d0b2ee9327

diff --git a/arch/arm/config.mk b/arch/arm/config.mk
index dc64160789..f4c2d81044 100644
--- a/arch/arm/config.mk
+++ b/arch/arm/config.mk
@@ -2,29 +2,15 @@
 # (C) Copyright 2000-2002
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 #
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
+# SPDX-License-Identifier:	GPL-2.0+
 #
 
-CROSS_COMPILE ?= arm-linux-
+ifeq ($(CROSS_COMPILE),)
+CROSS_COMPILE := arm-linux-
+endif
 
 ifndef CONFIG_STANDALONE_LOAD_ADDR
-ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TI814X),)
+ifneq ($(CONFIG_OMAP_COMMON),)
 CONFIG_STANDALONE_LOAD_ADDR = 0x80300000
 else
 CONFIG_STANDALONE_LOAD_ADDR = 0xc100000
@@ -32,7 +18,10 @@ endif
 endif
 
 LDFLAGS_FINAL += --gc-sections
-PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
+PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections \
+		     -fno-common -ffixed-r9
+PLATFORM_RELFLAGS += $(call cc-option, -msoft-float) \
+      $(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
 
 # Support generic board on ARM
 __HAVE_ARCH_GENERIC_BOARD := y
@@ -52,7 +41,17 @@ endif
 
 # Only test once
 ifneq ($(CONFIG_SPL_BUILD),y)
-ALL-$(CONFIG_SYS_THUMB_BUILD)	+= checkthumb
+ifeq ($(CONFIG_SYS_THUMB_BUILD),y)
+archprepare: checkthumb
+
+checkthumb:
+	@if test "$(call cc-version)" -lt "0404"; then \
+		echo -n '*** Your GCC does not produce working '; \
+		echo 'binaries in THUMB mode.'; \
+		echo '*** Your board is configured for THUMB mode.'; \
+		false; \
+	fi
+endif
 endif
 
 # Try if EABI is supported, else fall back to old API,
@@ -80,13 +79,8 @@ ifneq (,$(findstring -mabi=aapcs-linux,$(PLATFORM_CPPFLAGS)))
 # times. Also, the prefix needs to be different based on whether
 # CONFIG_SPL_BUILD is defined or not. 'filter-out' the existing entry
 # before adding the correct one.
-ifdef CONFIG_SPL_BUILD
-PLATFORM_LIBS := $(SPLTREE)/arch/arm/lib/eabi_compat.o \
-	$(filter-out %/arch/arm/lib/eabi_compat.o, $(PLATFORM_LIBS))
-else
-PLATFORM_LIBS := $(OBJTREE)/arch/arm/lib/eabi_compat.o \
-	$(filter-out %/arch/arm/lib/eabi_compat.o, $(PLATFORM_LIBS))
-endif
+PLATFORM_LIBS := arch/arm/lib/eabi_compat.o \
+	$(filter-out arch/arm/lib/eabi_compat.o, $(PLATFORM_LIBS))
 endif
 
 # needed for relocation
@@ -109,3 +103,29 @@ ifeq ($(GAS_BUG_12532),y)
 PLATFORM_RELFLAGS += -fno-optimize-sibling-calls
 endif
 endif
+
+ifneq ($(CONFIG_SPL_BUILD),y)
+# Check that only R_ARM_RELATIVE relocations are generated.
+ALL-y += checkarmreloc
+# The movt / movw can hardcode 16 bit parts of the addresses in the
+# instruction. Relocation is not supported for that case, so disable
+# such usage by requiring word relocations.
+PLATFORM_CPPFLAGS += $(call cc-option, -mword-relocations)
+endif
+
+# limit ourselves to the sections we want in the .bin.
+ifdef CONFIG_ARM64
+OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .u_boot_list -j .rela.dyn
+else
+OBJCOPYFLAGS += -j .text -j .rodata -j .hash -j .data -j .got.plt -j .u_boot_list -j .rel.dyn
+endif
+
+ifneq ($(CONFIG_IMX_CONFIG),)
+ifdef CONFIG_SPL
+ifndef CONFIG_SPL_BUILD
+ALL-y += SPL
+endif
+else
+ALL-y += u-boot.imx
+endif
+endif