x86: ivybridge: Provide a dummy SDRAM init for 64-bit
We don't support SDRAM init in 64-bit mode since it is essentially
impossible to get into that mode before SDRAM set up. Provide dummy functions
for now. At some point we will need to pass the SDRAM parameters through from
SPL.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/ivybridge/Makefile b/arch/x86/cpu/ivybridge/Makefile
index 1a526c8..25fbd59 100644
--- a/arch/x86/cpu/ivybridge/Makefile
+++ b/arch/x86/cpu/ivybridge/Makefile
@@ -16,5 +16,8 @@
obj-y += sata.o
endif
obj-$(CONFIG_$(SPL_)X86_32BIT_INIT) += sdram.o
+ifndef CONFIG_$(SPL_)X86_32BIT_INIT
+obj-y += sdram_nop.o
+endif
endif
obj-y += bd82x6x.o