Commit 67c2829b authored by Mike Frysinger's avatar Mike Frysinger

Blackfin: support embedding the environment into loader files (LDRs)

For the most part, the Blackfin processor boots files in the LDR format
rather than binary/ELF files.  So we want to export the environment as a
raw blob to the LDR utility so it can embed it at the right location.
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent 31f30c9e
......@@ -323,6 +323,7 @@ $(obj)u-boot.bin: $(obj)u-boot
$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
$(obj)u-boot.ldr: $(obj)u-boot
$(obj)tools/envcrc --binary > $(obj)env-ldr.o
$(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr
......
......@@ -23,6 +23,8 @@
CONFIG_BFIN_CPU := $(strip $(subst ",,$(CONFIG_BFIN_CPU)))
CONFIG_BFIN_BOOT_MODE := $(strip $(subst ",,$(CONFIG_BFIN_BOOT_MODE)))
CONFIG_ENV_OFFSET := $(strip $(subst ",,$(CONFIG_ENV_OFFSET)))
CONFIG_ENV_SIZE := $(strip $(subst ",,$(CONFIG_ENV_SIZE)))
PLATFORM_RELFLAGS += -ffixed-P5 -fomit-frame-pointer -mno-fdpic
PLATFORM_CPPFLAGS += -DCONFIG_BLACKFIN
......@@ -43,6 +45,11 @@ LDR_FLAGS += --bmode $(subst BFIN_BOOT_,,$(CONFIG_BFIN_BOOT_MODE))
LDR_FLAGS += --use-vmas
ifneq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_BYPASS)
LDR_FLAGS += --initcode $(obj)cpu/$(CPU)/initcode.o
ifneq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_UART)
ifneq ($(ENV_IS_EMBEDDED_CUSTOM),ENV_IS_EMBEDDED_CUSTOM)
LDR_FLAGS += --punchit $$(($(CONFIG_ENV_OFFSET))):$$(($(CONFIG_ENV_SIZE))):$(obj)env-ldr.o
endif
endif
endif
ifneq (,$(findstring s,$(MAKEFLAGS)))
LDR_FLAGS += --quiet
......
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