2 # (C) Copyright 2000-2002
3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 # SPDX-License-Identifier: GPL-2.0+
8 CROSS_COMPILE ?
= bfin-uclinux-
10 CONFIG_STANDALONE_LOAD_ADDR ?
= 0x1000 -m elf32bfin
12 ifeq ($(CONFIG_BFIN_CPU
),)
14 $(shell awk
'$$2 == "CONFIG_BFIN_CPU" { print $$3 }' \
15 $(src
)include/configs
/$(BOARD
).h
)
17 CONFIG_BFIN_CPU
:= $(strip $(CONFIG_BFIN_CPU
:"%"=%))
19 CONFIG_BFIN_BOOT_MODE
:= $(strip $(CONFIG_BFIN_BOOT_MODE
:"%"=%))
21 PLATFORM_RELFLAGS
+= -ffixed-P3
-fomit-frame-pointer
-mno-fdpic
22 PLATFORM_CPPFLAGS
+= -DCONFIG_BLACKFIN
24 LDFLAGS_FINAL
+= --gc-sections
25 LDFLAGS
+= -m elf32bfin
26 PLATFORM_RELFLAGS
+= -ffunction-sections
-fdata-sections
28 PLATFORM_RELFLAGS
+= -mcpu
=$(CONFIG_BFIN_CPU
)
30 ifneq ($(CONFIG_BFIN_BOOT_MODE
),BFIN_BOOT_BYPASS
)
31 ALL-y
+= $(obj
)u-boot.ldr
33 ifeq ($(CONFIG_ENV_IS_EMBEDDED_IN_LDR
),y
)
34 CREATE_LDR_ENV
= $(obj
)tools
/envcrc
--binary
> $(obj
)env-ldr.o
35 HOSTCFLAGS_NOPED_ADSP
:= \
36 $(shell $(CPP
) -dD
- -mcpu
=$(CONFIG_BFIN_CPU
) </dev
/null \
37 | awk
'$$2 ~ /ADSP/ { print "-D" $$2 }')
38 HOSTCFLAGS_NOPED
+= $(HOSTCFLAGS_NOPED_ADSP
)
46 LDR_FLAGS-
$(CONFIG_BFIN_BOOTROM_USES_EVT1
) += -J
48 LDR_FLAGS
+= --bmode
$(subst BFIN_BOOT_
,,$(CONFIG_BFIN_BOOT_MODE
))
49 LDR_FLAGS
+= --use-vmas
50 LDR_FLAGS
+= --initcode
$(obj
)$(CPUDIR
)/initcode.o
51 ifneq ($(CONFIG_BFIN_BOOT_MODE
),BFIN_BOOT_UART
)
52 LDR_FLAGS-
$(CONFIG_ENV_IS_EMBEDDED_IN_LDR
) += \
53 --punchit
$$(($(CONFIG_ENV_OFFSET
))):$$(($(CONFIG_ENV_SIZE
))):$(obj
)env-ldr.o
55 ifneq (,$(findstring s
,$(MAKEFLAGS
)))
59 LDR_FLAGS
+= $(LDR_FLAGS-y
)
61 # Set some default LDR flags based on boot mode.
62 LDR_FLAGS
+= $(LDR_FLAGS-
$(CONFIG_BFIN_BOOT_MODE
))
64 ifneq ($(CONFIG_SYS_TEXT_BASE
),)
65 $(error do not set CONFIG_SYS_TEXT_BASE for Blackfin boards
)