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 $(CONFIG_BFIN_BOOT_MODE:"%"=%))
  19. PLATFORM_RELFLAGS += -ffixed-P3 -fomit-frame-pointer -mno-fdpic
  20. LDFLAGS_FINAL += --gc-sections
  21. LDFLAGS += -m elf32bfin
  22. PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
  23. PLATFORM_RELFLAGS += -mcpu=$(CONFIG_BFIN_CPU)
  24. ifneq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_BYPASS)
  25. ALL-y += u-boot.ldr
  26. endif
  27. ifeq ($(CONFIG_ENV_IS_EMBEDDED_IN_LDR),y)
  28. CREATE_LDR_ENV = tools/envcrc --binary > env-ldr.o
  29. HOSTCFLAGS_NOPED_ADSP := \
  30. $(shell $(CPP) -dD - -mcpu=$(CONFIG_BFIN_CPU) </dev/null \
  31. | awk '$$2 ~ /ADSP/ { print "-D" $$2 }')
  32. HOSTCFLAGS_NOPED += $(HOSTCFLAGS_NOPED_ADSP)
  33. else
  34. CREATE_LDR_ENV =
  35. endif
  36. SYM_PREFIX = _
  37. export SYM_PREFIX
  38. LDR_FLAGS-y :=
  39. LDR_FLAGS-$(CONFIG_BFIN_BOOTROM_USES_EVT1) += -J
  40. LDR_FLAGS += --bmode $(subst BFIN_BOOT_,,$(CONFIG_BFIN_BOOT_MODE))
  41. LDR_FLAGS += --use-vmas
  42. LDR_FLAGS += --initcode $(CPUDIR)/initcode.o
  43. ifneq ($(CONFIG_BFIN_BOOT_MODE),BFIN_BOOT_UART)
  44. LDR_FLAGS-$(CONFIG_ENV_IS_EMBEDDED_IN_LDR) += \
  45. --punchit $$(($(CONFIG_ENV_OFFSET))):$$(($(CONFIG_ENV_SIZE))):env-ldr.o
  46. endif
  47. ifneq (,$(findstring s,$(MAKEFLAGS)))
  48. LDR_FLAGS += --quiet
  49. endif
  50. LDR_FLAGS += $(LDR_FLAGS-y)
  51. # Set some default LDR flags based on boot mode.
  52. LDR_FLAGS += $(LDR_FLAGS-$(CONFIG_BFIN_BOOT_MODE))
  53. ifneq ($(CONFIG_SYS_TEXT_BASE),)
  54. $(error do not set CONFIG_SYS_TEXT_BASE for Blackfin boards)
  55. endif