src/cpu/amd/model_10xxx/Makefile.inc - coreboot - Gitiles

 romstage-y += ../../x86/mtrr/earlymtrr.c
 ramstage-y += model_10xxx_init.c
 ramstage-y += processor_name.c

 romstage-y += update_microcode.c
 ramstage-$(CONFIG_HAVE_ACPI_TABLES) += powernow_acpi.c
	romstage-y += ../../x86/mtrr/earlymtrr.c
	ramstage-y += model_10xxx_init.c
	ramstage-y += processor_name.c

	romstage-y += update_microcode.c
	ramstage-$(CONFIG_HAVE_ACPI_TABLES) += powernow_acpi.c