[PATCH 04/24] C6X: build infrastructure

Mark Salter
2011-08-22T20:11:03Z

Signed-off-by: Mark Salter <msalter@redhat.com>
---
arch/c6x/Kconfig | 179 +++++++++++++++++++++++++++++++++++
arch/c6x/Makefile | 56 +++++++++++
arch/c6x/boot/Makefile | 22 +++++
arch/c6x/configs/dsk6455_defconfig | 43 +++++++++
arch/c6x/configs/evmc6457_defconfig | 40 ++++++++
arch/c6x/configs/evmc6472_defconfig | 41 ++++++++
arch/c6x/configs/evmc6474_defconfig | 41 ++++++++
arch/c6x/include/asm/Kbuild | 55 +++++++++++
arch/c6x/kernel/Makefile | 12 +++
arch/c6x/kernel/vmlinux.lds.S | 170 +++++++++++++++++++++++++++++++++
arch/c6x/lib/Makefile | 8 ++
arch/c6x/mm/Makefile | 5 +
arch/c6x/platforms/Kconfig | 45 +++++++++
arch/c6x/platforms/Makefile | 13 +++
14 files changed, 730 insertions(+), 0 deletions(-)
create mode 100644 arch/c6x/Kconfig
create mode 100644 arch/c6x/Makefile
create mode 100644 arch/c6x/boot/Makefile
create mode 100644 arch/c6x/configs/dsk6455_defconfig
create mode 100644 arch/c6x/configs/evmc6457_defconfig
create mode 100644 arch/c6x/configs/evmc6472_defconfig
create mode 100644 arch/c6x/configs/evmc6474_defconfig
create mode 100644 arch/c6x/include/asm/Kbuild
create mode 100644 arch/c6x/kernel/Makefile
create mode 100644 arch/c6x/kernel/vmlinux.lds.S
create mode 100644 arch/c6x/lib/Makefile
create mode 100644 arch/c6x/mm/Makefile
create mode 100644 arch/c6x/platforms/Kconfig
create mode 100644 arch/c6x/platforms/Makefile

diff --git a/arch/c6x/Kconfig b/arch/c6x/Kconfig
new file mode 100644
index 0000000..f147a446
--- /dev/null
+++ b/arch/c6x/Kconfig
@@ -0,0 +1,179 @@
+#
+# For a description of the syntax of this configuration file,
+# see Documentation/kbuild/kconfig-language.txt.
+#
+
+config TMS320C6X
+ def_bool y
+ select CLKDEV_LOOKUP
+ select GENERIC_HARDIRQS_NO__DO_IRQ
+ select GENERIC_HARDIRQS_NO__DO_IRQ
+ select GENERIC_HARDIRQS_NO_DEPRECATED
+ select GENERIC_IRQ_SHOW
+ select HAVE_DMA_API_DEBUG
+ select HAVE_GENERIC_HARDIRQS
+ select HAVE_MEMBLOCK
+ select HAVE_SPARSE_IRQ
+ select OF
+ select OF_EARLY_FLATTREE
+
+config MMU
+ def_bool n
+
+config ZONE_DMA
+ def_bool y
+
+config FPU
+ def_bool n
+
+config HIGHMEM
+ def_bool n
+
+config NUMA
+ def_bool n
+
+config RWSEM_GENERIC_SPINLOCK
+ def_bool y
+
+config RWSEM_XCHGADD_ALGORITHM
+ def_bool n
+
+config GENERIC_CALIBRATE_DELAY
+ def_bool y
+
+config GENERIC_HWEIGHT
+ def_bool y
+
+config GENERIC_CLOCKEVENTS
+ def_bool y
+
+config GENERIC_CLOCKEVENTS_BROADCAST
+ bool
+
+config GENERIC_BUG
+ def_bool y
+
+config COMMON_CLKDEV
+ def_bool y
+
+config C6X_BIG_KERNEL
+ bool "Build a big kernel"
+ help
+ The C6X function call instruction has a limited range of +/- 2MiB.
+ This is sufficient for most kernels, but some kernel configurations
+ with lots of compiled-in functionality may require a larger range
+ for function calls. Use this option to have the compiler generate
+ function calls with 32-bit range. This will make the kernel both
+ larger and slower.
+
+ If unsure, say N.
+
+source "init/Kconfig"
+
+# Use the generic interrupt handling code in kernel/irq/
+
+source "kernel/Kconfig.freezer"
+
+config CMDLINE_BOOL
+ bool "Default bootloader kernel arguments"
+
+config CMDLINE
+ string "Kernel command line"
+ depends on CMDLINE_BOOL
+ default "console=ttyS0,57600"
+ help
+ On some architectures there is currently no way for the boot loader
+ to pass arguments to the kernel. For these architectures, you should
+ supply some command-line options at build time by entering them
+ here.
+
+config CMDLINE_FORCE
+ bool "Force default kernel command string"
+ depends on CMDLINE_BOOL
+ default n
+ help
+ Set this to have arguments from the default kernel command string
+ override those passed by the boot loader.
+
+config CPU_BIG_ENDIAN
+ bool "Build big-endian kernel"
+ default n
+ help
+ Say Y if you plan on running a kernel in big-endian mode.
+ Note that your board must be properly built and your board
+ port must properly enable any big-endian related features
+ of your chipset/board/processor.
+
+config FORCE_MAX_ZONEORDER
+ int "Maximum zone order"
+ default "13"
+ help
+ The kernel memory allocator divides physically contiguous memory
+ blocks into "zones", where each zone is a power of two number of
+ pages. This option selects the largest power of two that the kernel
+ keeps in the memory allocator. If you need to allocate very large
+ blocks of physically contiguous memory, then you may need to
+ increase this value.
+
+ This config option is actually maximum order plus one. For example,
+ a value of 11 means that the largest free memory block is 2^10 pages.
+
+menu "Processor type and features"
+
+config TMS320C64XPLUS
+ bool "TMS320C64X+"
+
+source "arch/c6x/platforms/Kconfig"
+
+config TMS320C6X_CACHES_ON
+ bool "L2 cache support"
+ default y
+
+config KERNEL_RAM_BASE_ADDRESS
+ hex "Virtual address of memory base"
+ default 0xe0000000 if SOC_TMS320C6455
+ default 0xe0000000 if SOC_TMS320C6457
+ default 0xe0000000 if SOC_TMS320C6472
+ default 0x80000000
+
+source "mm/Kconfig"
+
+source "kernel/Kconfig.preempt"
+
+source "kernel/Kconfig.hz"
+source "kernel/time/Kconfig"
+
+endmenu
+
+menu "Executable file formats"
+
+source "fs/Kconfig.binfmt"
+
+endmenu
+
+source "net/Kconfig"
+
+source "drivers/Kconfig"
+
+source "fs/Kconfig"
+
+source "security/Kconfig"
+
+source "crypto/Kconfig"
+
+source "lib/Kconfig"
+
+menu "Kernel hacking"
+
+source "lib/Kconfig.debug"
+
+config ACCESS_CHECK
+ bool "Check the user pointer address"
+ default y
+ help
+ Usually the pointer transfer from user space is checked to see if its
+ address is in the kernel space.
+
+ Say N here to disable that check to improve the performance.
+
+endmenu
diff --git a/arch/c6x/Makefile b/arch/c6x/Makefile
new file mode 100644
index 0000000..4ac9520
--- /dev/null
+++ b/arch/c6x/Makefile
@@ -0,0 +1,56 @@
+#
+# linux/arch/c6x/Makefile
+#
+# This file is subject to the terms and conditions of the GNU General Public
+# License. See the file "COPYING" in the main directory of this archive
+# for more details.
+#
+
+cflags-y := -D__linux__ -D__TMS320C6X__
+
+cflags-$(CONFIG_TMS320C64XPLUS) += -D__TMS320C6XPLUS__ -march=c64x+
+
+cflags-y += -mno-dsbt -msdata=none
+
+cflags-$(CONFIG_C6X_BIG_KERNEL) += -mlong-calls
+
+CFLAGS_MODULE += -mlong-calls -mno-dsbt -msdata=none
+
+CHECKFLAGS +=
+
+KBUILD_CFLAGS += $(cflags-y)
+KBUILD_AFLAGS += $(cflags-y)
+
+ifdef CONFIG_CPU_BIG_ENDIAN
+KBUILD_CFLAGS += -mbig-endian
+KBUILD_AFLAGS += -mbig-endian
+LINKFLAGS += -mbig-endian
+KBUILD_LDFLAGS += -mbig-endian
+LDFLAGS += -EB
+endif
+
+head-y := arch/c6x/kernel/head.o
+core-y += arch/c6x/kernel/ arch/c6x/mm/ arch/c6x/platforms/
+libs-y += arch/c6x/lib/
+
+# Default to vmlinux.bin, override when needed
+all: vmlinux.bin
+
+boot := arch/$(ARCH)/boot
+
+# With make 3.82 we cannot mix normal and wildcard targets
+
+vmlinux.bin: vmlinux
+ $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
+
+dtbImage.%: vmlinux
+ $(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
+
+archclean:
+ $(Q)$(MAKE) $(clean)=$(boot)
+
+define archhelp
+ @echo ' vmlinux.bin - Binary kernel image (arch/$(ARCH)/boot/vmlinux.bin)'
+ @echo ' dtbImage. - ELF image with $(arch)/boot/dts/ .dts linked in'
+ @echo ' - stripped elf with fdt blob'
+endef
diff --git a/arch/c6x/boot/Makefile b/arch/c6x/boot/Makefile
new file mode 100644
index 0000000..75ed02f
--- /dev/null
+++ b/arch/c6x/boot/Makefile
@@ -0,0 +1,22 @@
+#
+# Makefile for bootable kernel images
+#
+
+hostprogs-y := install-dtb
+
+OBJCOPYFLAGS_vmlinux.bin := -O binary
+$(obj)/vmlinux.bin: vmlinux FORCE
+ $(call if_changed,objcopy)
+
+quiet_cmd_install_dtb = INSTALL_DTB $@
+cmd_install_dtb = $(obj)/install-dtb $(obj)/$*.dtb vmlinux $@
+
+$(obj)/dtbImage.%: vmlinux $(obj)/install-dtb $(obj)/%.dtb
+ $(call cmd,install_dtb)
+
+clean-files := $(obj)/*.dtb
+
+DTC_FLAGS ?= -p 1024
+
+$(obj)/%.dtb: $(src)/dts/%.dts FORCE
+ $(call cmd,dtc)
diff --git a/arch/c6x/configs/dsk6455_defconfig b/arch/c6x/configs/dsk6455_defconfig
new file mode 100644
index 0000000..cf8bc10
--- /dev/null
+++ b/arch/c6x/configs/dsk6455_defconfig
@@ -0,0 +1,43 @@
+CONFIG_EXPERIMENTAL=y
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_SYSVIPC=y
+CONFIG_SPARSE_IRQ=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_EXPERT=y
+# CONFIG_FUTEX is not set
+# CONFIG_SLUB_DEBUG is not set
+CONFIG_MODULES=y
+CONFIG_MODULE_FORCE_LOAD=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE=""
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=2
+CONFIG_BLK_DEV_RAM_SIZE=17000
+CONFIG_MISC_DEVICES=y
+# CONFIG_INPUT is not set
+# CONFIG_SERIO is not set
+# CONFIG_VT is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_HWMON is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_IOMMU_SUPPORT is not set
+# CONFIG_MISC_FILESYSTEMS is not set
+CONFIG_CRC16=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_MTD=y
+CONFIG_MTD_CFI=y
+CONFIG_MTD_CFI_AMDSTD=y
+CONFIG_MTD_PHYSMAP_OF=y
diff --git a/arch/c6x/configs/evmc6457_defconfig b/arch/c6x/configs/evmc6457_defconfig
new file mode 100644
index 0000000..d2eff63
--- /dev/null
+++ b/arch/c6x/configs/evmc6457_defconfig
@@ -0,0 +1,40 @@
+CONFIG_EXPERIMENTAL=y
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_SYSVIPC=y
+CONFIG_SPARSE_IRQ=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_EXPERT=y
+# CONFIG_FUTEX is not set
+# CONFIG_SLUB_DEBUG is not set
+CONFIG_MODULES=y
+CONFIG_MODULE_FORCE_LOAD=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE=""
+CONFIG_BOARD_EVM6457=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=2
+CONFIG_BLK_DEV_RAM_SIZE=17000
+CONFIG_MISC_DEVICES=y
+# CONFIG_INPUT is not set
+# CONFIG_SERIO is not set
+# CONFIG_VT is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_HWMON is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_IOMMU_SUPPORT is not set
+# CONFIG_MISC_FILESYSTEMS is not set
+CONFIG_CRC16=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
diff --git a/arch/c6x/configs/evmc6472_defconfig b/arch/c6x/configs/evmc6472_defconfig
new file mode 100644
index 0000000..aa81c58
--- /dev/null
+++ b/arch/c6x/configs/evmc6472_defconfig
@@ -0,0 +1,41 @@
+CONFIG_EXPERIMENTAL=y
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_SYSVIPC=y
+CONFIG_SPARSE_IRQ=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_EXPERT=y
+# CONFIG_FUTEX is not set
+# CONFIG_SLUB_DEBUG is not set
+CONFIG_MODULES=y
+CONFIG_MODULE_FORCE_LOAD=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE=""
+# CONFIG_CMDLINE_FORCE is not set
+CONFIG_BOARD_EVM6472=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=2
+CONFIG_BLK_DEV_RAM_SIZE=17000
+CONFIG_MISC_DEVICES=y
+# CONFIG_INPUT is not set
+# CONFIG_SERIO is not set
+# CONFIG_VT is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_HWMON is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_IOMMU_SUPPORT is not set
+# CONFIG_MISC_FILESYSTEMS is not set
+CONFIG_CRC16=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
diff --git a/arch/c6x/configs/evmc6474_defconfig b/arch/c6x/configs/evmc6474_defconfig
new file mode 100644
index 0000000..ceee6fc
--- /dev/null
+++ b/arch/c6x/configs/evmc6474_defconfig
@@ -0,0 +1,41 @@
+CONFIG_EXPERIMENTAL=y
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_SYSVIPC=y
+CONFIG_SPARSE_IRQ=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_EXPERT=y
+# CONFIG_FUTEX is not set
+# CONFIG_SLUB_DEBUG is not set
+CONFIG_MODULES=y
+CONFIG_MODULE_FORCE_LOAD=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_CMDLINE_BOOL=y
+CONFIG_CMDLINE=""
+# CONFIG_CMDLINE_FORCE is not set
+CONFIG_BOARD_EVM6474=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=2
+CONFIG_BLK_DEV_RAM_SIZE=17000
+CONFIG_MISC_DEVICES=y
+# CONFIG_INPUT is not set
+# CONFIG_SERIO is not set
+# CONFIG_VT is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_HWMON is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_IOMMU_SUPPORT is not set
+# CONFIG_MISC_FILESYSTEMS is not set
+CONFIG_CRC16=y
+# CONFIG_ENABLE_MUST_CHECK is not set
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild
new file mode 100644
index 0000000..87815f8
--- /dev/null
+++ b/arch/c6x/include/asm/Kbuild
@@ -0,0 +1,55 @@
+include include/asm-generic/Kbuild.asm
+
+generic-y += atomic.h
+generic-y += auxvec.h
+generic-y += bitsperlong.h
+generic-y += bug.h
+generic-y += bugs.h
+generic-y += cputime.h
+generic-y += current.h
+generic-y += device.h
+generic-y += div64.h
+generic-y += dma.h
+generic-y += emergency-restart.h
+generic-y += errno.h
+generic-y += fb.h
+generic-y += fcntl.h
+generic-y += futex.h
+generic-y += hw_irq.h
+generic-y += io.h
+generic-y += ioctl.h
+generic-y += ioctls.h
+generic-y += ipcbuf.h
+generic-y += irq_regs.h
+generic-y += kdebug.h
+generic-y += kmap_types.h
+generic-y += local.h
+generic-y += mman.h
+generic-y += mmu_context.h
+generic-y += msgbuf.h
+generic-y += param.h
+generic-y += pci.h
+generic-y += percpu.h
+generic-y += pgalloc.h
+generic-y += poll.h
+generic-y += posix_types.h
+generic-y += resource.h
+generic-y += scatterlist.h
+generic-y += segment.h
+generic-y += sembuf.h
+generic-y += shmbuf.h
+generic-y += shmparam.h
+generic-y += siginfo.h
+generic-y += socket.h
+generic-y += sockios.h
+generic-y += stat.h
+generic-y += statfs.h
+generic-y += swab.h
+generic-y += termbits.h
+generic-y += termios.h
+generic-y += tlbflush.h
+generic-y += topology.h
+generic-y += types.h
+generic-y += ucontext.h
+generic-y += user.h
+generic-y += vga.h
diff --git a/arch/c6x/kernel/Makefile b/arch/c6x/kernel/Makefile
new file mode 100644
index 0000000..580a515
--- /dev/null
+++ b/arch/c6x/kernel/Makefile
@@ -0,0 +1,12 @@
+#
+# Makefile for arch/c6x/kernel/
+#
+
+extra-y := head.o vmlinux.lds
+
+obj-y := process.o traps.o irq.o signal.o ptrace.o
+obj-y += setup.o sys_c6x.o time.o devicetree.o
+obj-y += switch_to.o entry.o vectors.o c6x_ksyms.o
+obj-y += soc.o dma.o
+
+obj-$(CONFIG_MODULES) += module.o
diff --git a/arch/c6x/kernel/vmlinux.lds.S b/arch/c6x/kernel/vmlinux.lds.S
new file mode 100644
index 0000000..8f406bf
--- /dev/null
+++ b/arch/c6x/kernel/vmlinux.lds.S
@@ -0,0 +1,170 @@
+/*
+ * ld script for the c6x kernel
+ *
+ * Copyright (C) 2010, 2011 Texas Instruments Incorporated
+ * Mark Salter <msalter@redhat.com>
+ */
+#include <asm-generic/vmlinux.lds.h>
+#include <asm/thread_info.h>
+#include <asm/page.h>
+
+ENTRY(_c_int00)
+
+#if defined(CONFIG_CPU_BIG_ENDIAN)
+jiffies = jiffies_64 + 4;
+#else
+jiffies = jiffies_64;
+#endif
+
+#define READONLY_SEGMENT_START \
+ . = PAGE_OFFSET;
+#define READWRITE_SEGMENT_START \
+ . = ALIGN(128); \
+ _data_lma = .;
+
+SECTIONS
+{
+ /*
+ * Start kernel read only segment
+ */
+ READONLY_SEGMENT_START
+
+ .vectors :
+ {
+ _vectors_start = .;
+ *(.vectors)
+ . = ALIGN(0x400);
+ _vectors_end = .;
+ }
+
+ . = ALIGN(0x1000);
+ .cmdline :
+ {
+ *(.cmdline)
+ }
+
+ /*
+ * This section contains data which may be shared with other
+ * cores. It needs to be a fixed offset from PAGE_OFFSET
+ * regardless of kernel configuration.
+ */
+ .virtio_ipc_dev :
+ {
+ *(.virtio_ipc_dev)
+ }
+
+ . = ALIGN(PAGE_SIZE);
+ .init :
+ {
+ _stext = .;
+ _sinittext = .;
+ HEAD_TEXT
+ INIT_TEXT
+ _einittext = .;
+ }
+
+ __init_begin = _stext;
+ INIT_DATA_SECTION(16)
+
+ PERCPU_SECTION(128)
+
+ . = ALIGN(8);
+ .soc.ops : AT(ADDR(.soc.ops) - LOAD_OFFSET)
+ {
+ __soc_ops_start = . ;
+ *(.soc.ops)
+ __soc_ops_end = . ;
+ }
+
+ . = ALIGN(PAGE_SIZE);
+ __init_end = .;
+
+ .text :
+ {
+ _text = .;
+ TEXT_TEXT
+ SCHED_TEXT
+ LOCK_TEXT
+ IRQENTRY_TEXT
+ KPROBES_TEXT
+ *(.fixup)
+ *(.gnu.warning)
+ }
+
+ EXCEPTION_TABLE(16)
+ NOTES
+
+ RO_DATA_SECTION(PAGE_SIZE)
+ .const :
+ {
+ *(.const .const.* .gnu.linkonce.r.*)
+ *(.switch)
+ }
+
+ . = ALIGN (8) ;
+ __fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET)
+ {
+ _fdt_start = . ; /* place for fdt blob */
+ *(__fdt_blob) ; /* Any link-placed DTB */
+ BYTE(0); /* section always has contents */
+ . = _fdt_start + 0x4000; /* Pad up to 16kbyte */
+ _fdt_end = . ;
+ }
+
+ _etext = .;
+
+ /*
+ * Start kernel read-write segment.
+ */
+ READWRITE_SEGMENT_START
+ _sdata = .;
+
+ .fardata : AT(ADDR(.fardata) - LOAD_OFFSET)
+ {
+ INIT_TASK_DATA(THREAD_SIZE)
+ NOSAVE_DATA
+ PAGE_ALIGNED_DATA(PAGE_SIZE)
+ CACHELINE_ALIGNED_DATA(128)
+ READ_MOSTLY_DATA(128)
+ DATA_DATA
+ CONSTRUCTORS
+ *(.data1)
+ *(.fardata .fardata.*)
+ *(.data.debug_bpt)
+ }
+
+ .neardata ALIGN(8) : AT(ADDR(.neardata) - LOAD_OFFSET)
+ {
+ *(.neardata2 .neardata2.* .gnu.linkonce.s2.*)
+ *(.neardata .neardata.* .gnu.linkonce.s.*)
+ . = ALIGN(8);
+ }
+
+ _edata = .;
+
+ __bss_start = .;
+ SBSS(8)
+ BSS(8)
+ .far :
+ {
+ . = ALIGN(8);
+ *(.dynfar)
+ *(.far .far.* .gnu.linkonce.b.*)
+ . = ALIGN(8);
+ }
+ __bss_stop = .;
+
+ _end = .;
+
+ DWARF_DEBUG
+
+ /DISCARD/ :
+ {
+ EXIT_TEXT
+ EXIT_DATA
+ EXIT_CALL
+ *(.discard)
+ *(.discard.*)
+ *(.interp)
+ }
+}
diff --git a/arch/c6x/lib/Makefile b/arch/c6x/lib/Makefile
new file mode 100644
index 0000000..b473f02
--- /dev/null
+++ b/arch/c6x/lib/Makefile
@@ -0,0 +1,8 @@
+#
+# Makefile for arch/c6x/lib/
+#
+
+lib-y := divu.o divi.o pop_rts.o push_rts.o remi.o remu.o strasgi.o llshru.o
+lib-y += llshr.o llshl.o negll.o mpyll.o divremi.o divremu.o
+
+lib-$(CONFIG_TMS320C64XPLUS) += csum_64plus.o memcpy_64plus.o strasgi_64plus.o
diff --git a/arch/c6x/mm/Makefile b/arch/c6x/mm/Makefile
new file mode 100644
index 0000000..136a975
--- /dev/null
+++ b/arch/c6x/mm/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the linux c6x-specific parts of the memory manager.
+#
+
+obj-y := init.o dma-coherent.o
diff --git a/arch/c6x/platforms/Kconfig b/arch/c6x/platforms/Kconfig
new file mode 100644
index 0000000..a6ae90a
--- /dev/null
+++ b/arch/c6x/platforms/Kconfig
@@ -0,0 +1,45 @@
+
+config SOC_TMS320C6455
+ bool "TMS320C6455"
+ default n
+ select TMS320C64XPLUS
+
+config SOC_TMS320C6457
+ bool "TMS320C6457"
+ default n
+ select TMS320C64XPLUS
+
+config SOC_TMS320C6472
+ bool "TMS320C6472"
+ default n
+ select TMS320C64XPLUS
+
+config SOC_TMS320C6474
+ bool "TMS320C6474"
+ default n
+ select TMS320C64XPLUS
+
+comment "Board Selection"
+choice
+ prompt "Board"
+ help
+ This option specifies the specific board for which the kernel will be
+ compiled.
+
+config BOARD_DSK6455
+ bool "DSK6455"
+ select SOC_TMS320C6455
+
+config BOARD_EVM6457
+ bool "EVM6472"
+ select SOC_TMS320C6457
+
+config BOARD_EVM6472
+ bool "EVM6472"
+ select SOC_TMS320C6472
+
+config BOARD_EVM6474
+ bool "EVM6474"
+ select SOC_TMS320C6474
+
+endchoice
diff --git a/arch/c6x/platforms/Makefile b/arch/c6x/platforms/Makefile
new file mode 100644
index 0000000..ca5cadc
--- /dev/null
+++ b/arch/c6x/platforms/Makefile
@@ -0,0 +1,13 @@
+#
+# Makefile for arch/c6x/platforms
+#
+# Copyright 2010, 2011 Texas Instruments Incorporated
+#
+
+obj-y = platform.o cache.o megamod-pic.o pll.o plldata.o timer64.o
+
+# SoC objects
+obj-$(CONFIG_SOC_TMS320C6455) += soc-6455.o emif.o
+obj-$(CONFIG_SOC_TMS320C6457) += soc-6457.o emif.o psc.o
+obj-$(CONFIG_SOC_TMS320C6472) += soc-6472.o psc.o
+obj-$(CONFIG_SOC_TMS320C6474) += soc-6474.o psc.o
--
1.7.6