[PATCH 1/1] armv8: Fix compilation error with SYS_DCACHE_OFF

[Bhupesh Sharma]

If CONFIG_SYS_ICACHE_OFF and CONFIG_SYS_DCACHE_OFF are set, we see the
following errors while compiling u-boot:

  arch/arm/cpu/armv8/cpu.c:60: undefined reference to `icache_disable'
  aarch64-linux-gnu-ld.bfd: arch/arm/cpu/armv8/cpu.c:68: undefined reference to `dcache_disable'
  aarch64-linux-gnu-ld.bfd: arch/arm/cpu/armv8/cpu.c:69: undefined reference to `invalidate_dcache_all'
  aarch64-linux-gnu-ld.bfd: arch/arm/cpu/armv8/exception_level.o: in function `entry_non_secure':
  arch/arm/cpu/armv8/exception_level.c:29: undefined reference to `dcache_enable'
  aarch64-linux-gnu-ld.bfd: arch/arm/cpu/armv8/exception_level.o: in function `switch_to_non_secure_mode':
  arch/arm/cpu/armv8/exception_level.c:52: undefined reference to `dcache_disable'
  aarch64-linux-gnu-ld.bfd: arch/arm/lib/relocate_64.o: in function `relocate_done':
  arch/arm/lib/relocate_64.S:92: undefined reference to `__asm_flush_dcache_range'
  aarch64-linux-gnu-ld.bfd: arch/arm/lib/relocate_64.S:93: undefined reference to `__asm_flush_l3_dcache'
  aarch64-linux-gnu-ld.bfd: arch/arm/lib/bootm.o: in function `do_nonsec_virt_switch':
  arch/arm/lib/bootm.c:191: undefined reference to `dcache_disable'
  aarch64-linux-gnu-ld.bfd: boot/bootm_os.o: in function `do_bootm_qnxelf':
  boot/bootm_os.c:392: undefined reference to `dcache_status'
  aarch64-linux-gnu-ld.bfd: boot/bootm_os.c:394: undefined reference to `dcache_disable'
  aarch64-linux-gnu-ld.bfd: boot/bootm_os.c:399: undefined reference to `dcache_enable'
  aarch64-linux-gnu-ld.bfd: cmd/elf.o: in function `do_bootvx':
  cmd/elf.c:280: undefined reference to `dcache_disable'

While the following error message is expected when SYS_DCACHE_OFF is
set:
  arch/arm/cpu/armv8/cache_v8.c:697:2: error:
      #error Please describe your MMU layout in CONFIG_SYS_MEM_MAP and enable dcache.

the rest of the compilation errors should be fixed.

Cc: Tom Rini <trini at konsulko.com>
Cc: Simon Glass <sjg at chromium.org>
Cc: Peng Fan <peng.fan at nxp.com>
Signed-off-by: Bhupesh Sharma <bhupesh.sharma at linaro.org>
---
 arch/arm/cpu/armv8/Makefile | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/arm/cpu/armv8/Makefile b/arch/arm/cpu/armv8/Makefile
index bba4f570db..6168032ffb 100644
--- a/arch/arm/cpu/armv8/Makefile
+++ b/arch/arm/cpu/armv8/Makefile
@@ -5,14 +5,12 @@
 
 extra-y	:= start.o
 
+obj-y	+= cache_v8.o
+obj-y	+= cache.o
 obj-y	+= cpu.o
 ifndef CONFIG_$(SPL_TPL_)TIMER
 obj-$(CONFIG_SYS_ARCH_TIMER) += generic_timer.o
 endif
-ifndef CONFIG_$(SPL_)SYS_DCACHE_OFF
-obj-y	+= cache_v8.o
-obj-y	+= cache.o
-endif
 ifdef CONFIG_SPL_BUILD
 obj-$(CONFIG_ARMV8_SPL_EXCEPTION_VECTORS) += exceptions.o
 else
-- 
2.38.1