c20b5c3318
Intel Moorestown platform has a spi-uart device(Maxim3110), which connects to a Designware spi core controller. This patch will add early console function based on it. As it will be used long before Linux spi subsystem get initialised, we simply directly manipulate the spi controller's register to acheive the early console func. This is safe as it will be disabled when devices subsytem get initialised. To use it, user need enable CONFIG_X86_MRST_EARLY_PRINTK in kenrel config and add "earlyprintk=mrst" in kernel command line. Signed-off-by: Feng Tang <feng.tang@intel.com> Acked-by: Alan Cox <alan@linux.intel.com> Cc: greg@kroah.com LKML-Reference: <1284361736-23011-4-git-send-email-feng.tang@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
135 lines
4.3 KiB
Makefile
135 lines
4.3 KiB
Makefile
#
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# Makefile for the linux kernel.
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#
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extra-y := head_$(BITS).o head$(BITS).o head.o init_task.o vmlinux.lds
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CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
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ifdef CONFIG_FUNCTION_TRACER
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# Do not profile debug and lowlevel utilities
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CFLAGS_REMOVE_tsc.o = -pg
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CFLAGS_REMOVE_rtc.o = -pg
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CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
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CFLAGS_REMOVE_pvclock.o = -pg
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CFLAGS_REMOVE_kvmclock.o = -pg
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CFLAGS_REMOVE_ftrace.o = -pg
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CFLAGS_REMOVE_early_printk.o = -pg
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endif
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#
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# vsyscalls (which work on the user stack) should have
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# no stack-protector checks:
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#
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nostackp := $(call cc-option, -fno-stack-protector)
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CFLAGS_vsyscall_64.o := $(PROFILING) -g0 $(nostackp)
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CFLAGS_hpet.o := $(nostackp)
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CFLAGS_tsc.o := $(nostackp)
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CFLAGS_paravirt.o := $(nostackp)
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GCOV_PROFILE_vsyscall_64.o := n
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GCOV_PROFILE_hpet.o := n
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GCOV_PROFILE_tsc.o := n
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GCOV_PROFILE_paravirt.o := n
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obj-y := process_$(BITS).o signal.o entry_$(BITS).o
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obj-y += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o
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obj-y += time.o ioport.o ldt.o dumpstack.o
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obj-y += setup.o x86_init.o i8259.o irqinit.o
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obj-$(CONFIG_X86_VISWS) += visws_quirks.o
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obj-$(CONFIG_X86_32) += probe_roms_32.o
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obj-$(CONFIG_X86_32) += sys_i386_32.o i386_ksyms_32.o
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obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o
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obj-$(CONFIG_X86_64) += syscall_64.o vsyscall_64.o
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obj-y += bootflag.o e820.o
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obj-y += pci-dma.o quirks.o i8237.o topology.o kdebugfs.o
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obj-y += alternative.o i8253.o pci-nommu.o hw_breakpoint.o
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obj-y += tsc.o io_delay.o rtc.o
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obj-$(CONFIG_X86_TRAMPOLINE) += trampoline.o
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obj-y += process.o
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obj-y += i387.o xsave.o
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obj-y += ptrace.o
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obj-$(CONFIG_X86_32) += tls.o
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obj-$(CONFIG_IA32_EMULATION) += tls.o
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obj-y += step.o
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obj-$(CONFIG_INTEL_TXT) += tboot.o
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obj-$(CONFIG_STACKTRACE) += stacktrace.o
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obj-y += cpu/
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obj-y += acpi/
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obj-$(CONFIG_SFI) += sfi.o
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obj-y += reboot.o
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obj-$(CONFIG_MCA) += mca_32.o
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obj-$(CONFIG_X86_MSR) += msr.o
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obj-$(CONFIG_X86_CPUID) += cpuid.o
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obj-$(CONFIG_PCI) += early-quirks.o
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apm-y := apm_32.o
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obj-$(CONFIG_APM) += apm.o
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obj-$(CONFIG_SMP) += smp.o
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obj-$(CONFIG_SMP) += smpboot.o tsc_sync.o
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obj-$(CONFIG_SMP) += setup_percpu.o
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obj-$(CONFIG_X86_64_SMP) += tsc_sync.o
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obj-$(CONFIG_X86_TRAMPOLINE) += trampoline_$(BITS).o
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obj-$(CONFIG_X86_MPPARSE) += mpparse.o
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obj-y += apic/
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obj-$(CONFIG_X86_REBOOTFIXUPS) += reboot_fixups_32.o
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obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
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obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
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obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o
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obj-$(CONFIG_KEXEC) += machine_kexec_$(BITS).o
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obj-$(CONFIG_KEXEC) += relocate_kernel_$(BITS).o crash.o
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obj-$(CONFIG_CRASH_DUMP) += crash_dump_$(BITS).o
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obj-$(CONFIG_KPROBES) += kprobes.o
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obj-$(CONFIG_MODULES) += module.o
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obj-$(CONFIG_EFI) += efi.o efi_$(BITS).o efi_stub_$(BITS).o
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obj-$(CONFIG_DOUBLEFAULT) += doublefault_32.o
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obj-$(CONFIG_KGDB) += kgdb.o
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obj-$(CONFIG_VM86) += vm86_32.o
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obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
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obj-$(CONFIG_EARLY_PRINTK_MRST) += early_printk_mrst.o
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obj-$(CONFIG_HPET_TIMER) += hpet.o
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obj-$(CONFIG_APB_TIMER) += apb_timer.o
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obj-$(CONFIG_K8_NB) += k8.o
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obj-$(CONFIG_DEBUG_RODATA_TEST) += test_rodata.o
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obj-$(CONFIG_DEBUG_NX_TEST) += test_nx.o
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obj-$(CONFIG_VMI) += vmi_32.o vmiclock_32.o
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obj-$(CONFIG_KVM_GUEST) += kvm.o
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obj-$(CONFIG_KVM_CLOCK) += kvmclock.o
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obj-$(CONFIG_PARAVIRT) += paravirt.o paravirt_patch_$(BITS).o
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obj-$(CONFIG_PARAVIRT_SPINLOCKS)+= paravirt-spinlocks.o
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obj-$(CONFIG_PARAVIRT_CLOCK) += pvclock.o
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obj-$(CONFIG_PCSPKR_PLATFORM) += pcspeaker.o
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obj-$(CONFIG_SCx200) += scx200.o
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scx200-y += scx200_32.o
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obj-$(CONFIG_OLPC) += olpc.o
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obj-$(CONFIG_OLPC_OPENFIRMWARE) += olpc_ofw.o
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obj-$(CONFIG_X86_MRST) += mrst.o
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microcode-y := microcode_core.o
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microcode-$(CONFIG_MICROCODE_INTEL) += microcode_intel.o
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microcode-$(CONFIG_MICROCODE_AMD) += microcode_amd.o
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obj-$(CONFIG_MICROCODE) += microcode.o
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obj-$(CONFIG_X86_CHECK_BIOS_CORRUPTION) += check.o
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obj-$(CONFIG_SWIOTLB) += pci-swiotlb.o
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###
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# 64 bit specific files
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ifeq ($(CONFIG_X86_64),y)
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obj-$(CONFIG_X86_UV) += tlb_uv.o bios_uv.o uv_irq.o uv_sysfs.o uv_time.o
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obj-$(CONFIG_X86_PM_TIMER) += pmtimer_64.o
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obj-$(CONFIG_AUDIT) += audit_64.o
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obj-$(CONFIG_GART_IOMMU) += pci-gart_64.o aperture_64.o
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obj-$(CONFIG_CALGARY_IOMMU) += pci-calgary_64.o tce_64.o
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obj-$(CONFIG_AMD_IOMMU) += amd_iommu_init.o amd_iommu.o
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obj-$(CONFIG_PCI_MMCONFIG) += mmconf-fam10h_64.o
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obj-y += vsmp_64.o
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endif
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