config.mk 1.8 KB

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  1. #
  2. # (C) Copyright 2000-2002
  3. # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  4. #
  5. # SPDX-License-Identifier: GPL-2.0+
  6. #
  7. ifeq ($(CROSS_COMPILE),)
  8. CROSS_COMPILE := bfin-uclinux-
  9. endif
  10. CONFIG_STANDALONE_LOAD_ADDR ?= 0x1000 -m elf32bfin
  11. ifeq ($(CONFIG_BFIN_CPU),)
  12. CONFIG_BFIN_CPU := \
  13. $(shell awk '$$2 == "CONFIG_BFIN_CPU" { print $$3 }' \
  14. $(srctree)/include/configs/$(BOARD).h)
  15. else
  16. CONFIG_BFIN_CPU := $(strip $(CONFIG_BFIN_CPU:"%"=%))
  17. endif
  18. CONFIG_BFIN_BOOT_MODE := $(strip $(CONFIG_BFIN_BOOT_MODE:"%"=%))
  19. PLATFORM_RELFLAGS += -ffixed-P3 -fomit-frame-pointer -mno-fdpic
  20. PLATFORM_CPPFLAGS += -DCONFIG_BLACKFIN
  21. LDFLAGS_FINAL += --gc-sections
  22. LDFLAGS += -m elf32bfin
  23. PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
  24. PLATFORM_RELFLAGS += -mcpu=$(CONFIG_BFIN_CPU)
  25. ifneq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_BYPASS)
  26. ALL-y += u-boot.ldr
  27. endif
  28. ifeq ($(CONFIG_ENV_IS_EMBEDDED_IN_LDR),y)
  29. CREATE_LDR_ENV = tools/envcrc --binary > env-ldr.o
  30. HOSTCFLAGS_NOPED_ADSP := \
  31. $(shell $(CPP) -dD - -mcpu=$(CONFIG_BFIN_CPU) </dev/null \
  32. | awk '$$2 ~ /ADSP/ { print "-D" $$2 }')
  33. HOSTCFLAGS_NOPED += $(HOSTCFLAGS_NOPED_ADSP)
  34. else
  35. CREATE_LDR_ENV =
  36. endif
  37. SYM_PREFIX = _
  38. export SYM_PREFIX
  39. LDR_FLAGS-y :=
  40. LDR_FLAGS-$(CONFIG_BFIN_BOOTROM_USES_EVT1) += -J
  41. LDR_FLAGS += --bmode $(subst BFIN_BOOT_,,$(CONFIG_BFIN_BOOT_MODE))
  42. LDR_FLAGS += --use-vmas
  43. LDR_FLAGS += --initcode $(CPUDIR)/initcode.o
  44. ifneq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_UART)
  45. LDR_FLAGS-$(CONFIG_ENV_IS_EMBEDDED_IN_LDR) += \
  46. --punchit $$(($(CONFIG_ENV_OFFSET))):$$(($(CONFIG_ENV_SIZE))):env-ldr.o
  47. endif
  48. ifneq (,$(findstring s,$(MAKEFLAGS)))
  49. LDR_FLAGS += --quiet
  50. endif
  51. LDR_FLAGS += $(LDR_FLAGS-y)
  52. # Set some default LDR flags based on boot mode.
  53. LDR_FLAGS += $(LDR_FLAGS-$(CONFIG_BFIN_BOOT_MODE))
  54. ifneq ($(CONFIG_SYS_TEXT_BASE),)
  55. $(error do not set CONFIG_SYS_TEXT_BASE for Blackfin boards)
  56. endif