Merge nommu branch

26 files changed, 2053 insertions, 400 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 147abe0383d..f9362ee9955 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -99,7 +99,7 @@ config ARCH_MTD_XIP
 
 config VECTORS_BASE
         hex
-        default 0xffff0000 if MMU
+        default 0xffff0000 if MMU || CPU_HIGH_VECTOR
         default DRAM_BASE if REMAP_VECTORS_TO_RAM
         default 0x00000000
         help
@@ -626,6 +626,7 @@ config LEDS_CPU
 
 config ALIGNMENT_TRAP
         bool
+        depends on CPU_CP15_MMU
         default y if !ARCH_EBSA110
         help
           ARM processors can not fetch/store information which is not
@@ -857,7 +858,7 @@ source "drivers/base/Kconfig"
 
 source "drivers/connector/Kconfig"
 
-if ALIGNMENT_TRAP
+if ALIGNMENT_TRAP || !CPU_CP15_MMU
 source "drivers/mtd/Kconfig"
 endif
 
diff --git a/arch/arm/Kconfig-nommu b/arch/arm/Kconfig-nommu
index e1574be2ded..f087376748d 100644
--- a/arch/arm/Kconfig-nommu
+++ b/arch/arm/Kconfig-nommu
@@ -25,6 +25,14 @@ config FLASH_SIZE
         hex 'FLASH Size' if SET_MEM_PARAM
         default 0x00400000
 
+config PROCESSOR_ID
+        hex
+        default 0x00007700
+        depends on !CPU_CP15
+        help
+          If processor has no CP15 register, this processor ID is
+          used instead of the auto-probing which utilizes the register.
+
 config REMAP_VECTORS_TO_RAM
         bool 'Install vectors to the begining of RAM' if DRAM_BASE
         depends on DRAM_BASE
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 80cee786500..2a0b2c8a1fe 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -55,7 +55,12 @@ arch-$(CONFIG_CPU_32v3)		:=-D__LINUX_ARM_ARCH__=3 -march=armv3
 # This selects how we optimise for the processor.
 tune-$(CONFIG_CPU_ARM610)       :=-mtune=arm610
 tune-$(CONFIG_CPU_ARM710)       :=-mtune=arm710
+tune-$(CONFIG_CPU_ARM7TDMI)     :=-mtune=arm7tdmi
 tune-$(CONFIG_CPU_ARM720T)      :=-mtune=arm7tdmi
+tune-$(CONFIG_CPU_ARM740T)      :=-mtune=arm7tdmi
+tune-$(CONFIG_CPU_ARM9TDMI)     :=-mtune=arm9tdmi
+tune-$(CONFIG_CPU_ARM940T)      :=-mtune=arm9tdmi
+tune-$(CONFIG_CPU_ARM946T)      :=$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi)
 tune-$(CONFIG_CPU_ARM920T)      :=-mtune=arm9tdmi
 tune-$(CONFIG_CPU_ARM922T)      :=-mtune=arm9tdmi
 tune-$(CONFIG_CPU_ARM925T)      :=-mtune=arm9tdmi
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 2adc1527e0e..adddc713168 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -51,7 +51,11 @@ OBJS		+= head-at91rm9200.o
 endif
 
 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
+ifeq ($(CONFIG_CPU_CP15),y)
 OBJS            += big-endian.o
+else
+# The endian should be set by h/w design.
+endif
 endif
 
 #
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 75df1f764a1..e5ab51b9cce 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -82,9 +82,11 @@
                 kphex   r6, 8           /* processor id */
                 kputc   #':'
                 kphex   r7, 8           /* architecture id */
+#ifdef CONFIG_CPU_CP15
                 kputc   #':'
                 mrc     p15, 0, r0, c1, c0
                 kphex   r0, 8           /* control reg */
+#endif
                 kputc   #'\n'
                 kphex   r5, 8           /* decompressed kernel start */
                 kputc   #'-'
@@ -507,7 +509,11 @@ call_kernel:	bl	cache_clean_flush
  */
 
 call_cache_fn:  adr     r12, proc_types
+#ifdef CONFIG_CPU_CP15
                 mrc     p15, 0, r6, c0, c0      @ get processor ID
+#else
+                ldr     r6, =CONFIG_PROCESSOR_ID
+#endif
 1:              ldr     r1, [r12, #0]           @ get value
                 ldr     r2, [r12, #4]           @ get mask
                 eor     r1, r1, r6              @ (real ^ match)
diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index ac9eb3d3051..f359a189dcf 100644
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S
@@ -9,7 +9,6 @@
  * published by the Free Software Foundation.
  *
  *  Common kernel startup code (non-paged MM)
- *    for 32-bit CPUs which has a process ID register(CP15).
  *
  */
 #include <linux/linkage.h>
@@ -40,7 +39,11 @@
 ENTRY(stext)
         msr     cpsr_c, #PSR_F_BIT | PSR_I_BIT | SVC_MODE @ ensure svc mode
                                                 @ and irqs disabled
+#ifndef CONFIG_CPU_CP15
+        ldr     r9, =CONFIG_PROCESSOR_ID
+#else
         mrc     p15, 0, r9, c0, c0              @ get processor id
+#endif
         bl      __lookup_processor_type         @ r5=procinfo r9=cpuid
         movs    r10, r5                         @ invalid processor (r5=0)?
         beq     __error_p                               @ yes, error 'p'
@@ -58,6 +61,7 @@ ENTRY(stext)
  */
         .type   __after_proc_init, %function
 __after_proc_init:
+#ifdef CONFIG_CPU_CP15
         mrc     p15, 0, r0, c1, c0, 0           @ read control reg
 #ifdef CONFIG_ALIGNMENT_TRAP
         orr     r0, r0, #CR_A
@@ -73,7 +77,13 @@ __after_proc_init:
 #ifdef CONFIG_CPU_ICACHE_DISABLE
         bic     r0, r0, #CR_I
 #endif
+#ifdef CONFIG_CPU_HIGH_VECTOR
+        orr     r0, r0, #CR_V
+#else
+        bic     r0, r0, #CR_V
+#endif
         mcr     p15, 0, r0, c1, c0, 0           @ write control reg
+#endif /* CONFIG_CPU_CP15 */
 
         mov     pc, r13                         @ clear the BSS and jump
                                                 @ to start_kernel
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index 298363d9704..1b061583408 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -2,6 +2,7 @@
  *  linux/arch/arm/kernel/module.c
  *
  *  Copyright (C) 2002 Russell King.
+ *  Modified for nommu by Hyok S. Choi
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -32,6 +33,7 @@ extern void _etext;
 #define MODULE_START    (((unsigned long)&_etext + ~PGDIR_MASK) & PGDIR_MASK)
 #endif
 
+#ifdef CONFIG_MMU
 void *module_alloc(unsigned long size)
 {
         struct vm_struct *area;
@@ -46,6 +48,12 @@ void *module_alloc(unsigned long size)
 
         return __vmalloc_area(area, GFP_KERNEL, PAGE_KERNEL);
 }
+#else /* CONFIG_MMU */
+void *module_alloc(unsigned long size)
+{
+        return size == 0 ? NULL : vmalloc(size);
+}
+#endif /* !CONFIG_MMU */
 
 void module_free(struct module *module, void *region)
 {
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 3079535afcc..bf35c178a87 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -221,16 +221,26 @@ void __show_regs(struct pt_regs *regs)
                 processor_modes[processor_mode(regs)],
                 thumb_mode(regs) ? " (T)" : "",
                 get_fs() == get_ds() ? "kernel" : "user");
+#if CONFIG_CPU_CP15
         {
-                unsigned int ctrl, transbase, dac;
+                unsigned int ctrl;
                   __asm__ (
                 "       mrc p15, 0, %0, c1, c0\n"
-                "       mrc p15, 0, %1, c2, c0\n"
-                "       mrc p15, 0, %2, c3, c0\n"
-                : "=r" (ctrl), "=r" (transbase), "=r" (dac));
-                printk("Control: %04X  Table: %08X  DAC: %08X\n",
-                        ctrl, transbase, dac);
+                : "=r" (ctrl));
+                printk("Control: %04X\n", ctrl);
         }
+#ifdef CONFIG_CPU_CP15_MMU
+        {
+                unsigned int transbase, dac;
+                  __asm__ (
+                "       mrc p15, 0, %0, c2, c0\n"
+                "       mrc p15, 0, %1, c3, c0\n"
+                : "=r" (transbase), "=r" (dac));
+                printk("Table: %08X  DAC: %08X\n",
+                        transbase, dac);
+        }
+#endif
+#endif
 }
 
 void show_regs(struct pt_regs * regs)
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index b59c74100a8..c0bfb8212b7 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -15,6 +15,7 @@ config CPU_ARM610
         select CPU_32v3
         select CPU_CACHE_V3
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_COPY_V3 if MMU
         select CPU_TLB_V3 if MMU
         help
@@ -24,6 +25,20 @@ config CPU_ARM610
           Say Y if you want support for the ARM610 processor.
           Otherwise, say N.
 
+# ARM7TDMI
+config CPU_ARM7TDMI
+        bool "Support ARM7TDMI processor"
+        depends on !MMU
+        select CPU_32v4T
+        select CPU_ABRT_LV4T
+        select CPU_CACHE_V4
+        help
+          A 32-bit RISC microprocessor based on the ARM7 processor core
+          which has no memory control unit and cache.
+
+          Say Y if you want support for the ARM7TDMI processor.
+          Otherwise, say N.
+
 # ARM710
 config CPU_ARM710
         bool "Support ARM710 processor" if !ARCH_CLPS7500 && ARCH_RPC
@@ -31,6 +46,7 @@ config CPU_ARM710
         select CPU_32v3
         select CPU_CACHE_V3
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_COPY_V3 if MMU
         select CPU_TLB_V3 if MMU
         help
@@ -50,6 +66,7 @@ config CPU_ARM720T
         select CPU_ABRT_LV4T
         select CPU_CACHE_V4
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_COPY_V4WT if MMU
         select CPU_TLB_V4WT if MMU
         help
@@ -59,6 +76,36 @@ config CPU_ARM720T
           Say Y if you want support for the ARM720T processor.
           Otherwise, say N.
 
+# ARM740T
+config CPU_ARM740T
+        bool "Support ARM740T processor" if ARCH_INTEGRATOR
+        depends on !MMU
+        select CPU_32v4T
+        select CPU_ABRT_LV4T
+        select CPU_CACHE_V3     # although the core is v4t
+        select CPU_CP15_MPU
+        help
+          A 32-bit RISC processor with 8KB cache or 4KB variants,
+          write buffer and MPU(Protection Unit) built around
+          an ARM7TDMI core.
+
+          Say Y if you want support for the ARM740T processor.
+          Otherwise, say N.
+
+# ARM9TDMI
+config CPU_ARM9TDMI
+        bool "Support ARM9TDMI processor"
+        depends on !MMU
+        select CPU_32v4T
+        select CPU_ABRT_NOMMU
+        select CPU_CACHE_V4
+        help
+          A 32-bit RISC microprocessor based on the ARM9 processor core
+          which has no memory control unit and cache.
+
+          Say Y if you want support for the ARM9TDMI processor.
+          Otherwise, say N.
+
 # ARM920T
 config CPU_ARM920T
         bool "Support ARM920T processor"
@@ -68,6 +115,7 @@ config CPU_ARM920T
         select CPU_ABRT_EV4T
         select CPU_CACHE_V4WT
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_COPY_V4WB if MMU
         select CPU_TLB_V4WBI if MMU
         help
@@ -89,6 +137,7 @@ config CPU_ARM922T
         select CPU_ABRT_EV4T
         select CPU_CACHE_V4WT
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_COPY_V4WB if MMU
         select CPU_TLB_V4WBI if MMU
         help
@@ -108,6 +157,7 @@ config CPU_ARM925T
         select CPU_ABRT_EV4T
         select CPU_CACHE_V4WT
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_COPY_V4WB if MMU
         select CPU_TLB_V4WBI if MMU
         help
@@ -126,6 +176,7 @@ config CPU_ARM926T
         select CPU_32v5
         select CPU_ABRT_EV5TJ
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_COPY_V4WB if MMU
         select CPU_TLB_V4WBI if MMU
         help
@@ -136,6 +187,39 @@ config CPU_ARM926T
           Say Y if you want support for the ARM926T processor.
           Otherwise, say N.
 
+# ARM940T
+config CPU_ARM940T
+        bool "Support ARM940T processor" if ARCH_INTEGRATOR
+        depends on !MMU
+        select CPU_32v4T
+        select CPU_ABRT_NOMMU
+        select CPU_CACHE_VIVT
+        select CPU_CP15_MPU
+        help
+          ARM940T is a member of the ARM9TDMI family of general-
+          purpose microprocessors with MPU and seperate 4KB
+          instruction and 4KB data cases, each with a 4-word line
+          length.
+
+          Say Y if you want support for the ARM940T processor.
+          Otherwise, say N.
+
+# ARM946E-S
+config CPU_ARM946E
+        bool "Support ARM946E-S processor" if ARCH_INTEGRATOR
+        depends on !MMU
+        select CPU_32v5
+        select CPU_ABRT_NOMMU
+        select CPU_CACHE_VIVT
+        select CPU_CP15_MPU
+        help
+          ARM946E-S is a member of the ARM9E-S family of high-
+          performance, 32-bit system-on-chip processor solutions.
+          The TCM and ARMv5TE 32-bit instruction set is supported.
+
+          Say Y if you want support for the ARM946E-S processor.
+          Otherwise, say N.
+
 # ARM1020 - needs validating
 config CPU_ARM1020
         bool "Support ARM1020T (rev 0) processor"
@@ -144,6 +228,7 @@ config CPU_ARM1020
         select CPU_ABRT_EV4T
         select CPU_CACHE_V4WT
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_COPY_V4WB if MMU
         select CPU_TLB_V4WBI if MMU
         help
@@ -161,6 +246,7 @@ config CPU_ARM1020E
         select CPU_ABRT_EV4T
         select CPU_CACHE_V4WT
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_COPY_V4WB if MMU
         select CPU_TLB_V4WBI if MMU
         depends on n
@@ -172,6 +258,7 @@ config CPU_ARM1022
         select CPU_32v5
         select CPU_ABRT_EV4T
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_COPY_V4WB if MMU # can probably do better
         select CPU_TLB_V4WBI if MMU
         help
@@ -189,6 +276,7 @@ config CPU_ARM1026
         select CPU_32v5
         select CPU_ABRT_EV5T # But need Jazelle, but EV5TJ ignores bit 10
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_COPY_V4WB if MMU # can probably do better
         select CPU_TLB_V4WBI if MMU
         help
@@ -207,6 +295,7 @@ config CPU_SA110
         select CPU_ABRT_EV4
         select CPU_CACHE_V4WB
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_COPY_V4WB if MMU
         select CPU_TLB_V4WB if MMU
         help
@@ -227,6 +316,7 @@ config CPU_SA1100
         select CPU_ABRT_EV4
         select CPU_CACHE_V4WB
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_TLB_V4WB if MMU
 
 # XScale
@@ -237,6 +327,7 @@ config CPU_XSCALE
         select CPU_32v5
         select CPU_ABRT_EV5T
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_TLB_V4WBI if MMU
 
 # XScale Core Version 3
@@ -247,6 +338,7 @@ config CPU_XSC3
         select CPU_32v5
         select CPU_ABRT_EV5T
         select CPU_CACHE_VIVT
+        select CPU_CP15_MMU
         select CPU_TLB_V4WBI if MMU
         select IO_36
 
@@ -258,6 +350,7 @@ config CPU_V6
         select CPU_ABRT_EV6
         select CPU_CACHE_V6
         select CPU_CACHE_VIPT
+        select CPU_CP15_MMU
         select CPU_COPY_V6 if MMU
         select CPU_TLB_V6 if MMU
 
@@ -299,6 +392,9 @@ config CPU_32v6
         bool
 
 # The abort model
+config CPU_ABRT_NOMMU
+        bool
+
 config CPU_ABRT_EV4
         bool
 
@@ -380,6 +476,23 @@ config CPU_TLB_V6
 
 endif
 
+config CPU_CP15
+        bool
+        help
+          Processor has the CP15 register.
+
+config CPU_CP15_MMU
+        bool
+        select CPU_CP15
+        help
+          Processor has the CP15 register, which has MMU related registers.
+
+config CPU_CP15_MPU
+        bool
+        select CPU_CP15
+        help
+          Processor has the CP15 register, which has MPU related registers.
+
 #
 # CPU supports 36-bit I/O
 #
@@ -390,7 +503,7 @@ comment "Processor Features"
 
 config ARM_THUMB
         bool "Support Thumb user binaries"
-        depends on CPU_ARM720T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_V6
+        depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_V6
         default y
         help
           Say Y if you want to include kernel support for running user space
@@ -411,23 +524,48 @@ config CPU_BIG_ENDIAN
           port must properly enable any big-endian related features
           of your chipset/board/processor.
 
+config CPU_HIGH_VECTOR
+        depends !MMU && CPU_CP15 && !CPU_ARM740T
+        bool "Select the High exception vector"
+        default n
+        help
+          Say Y here to select high exception vector(0xFFFF0000~).
+          The exception vector can be vary depending on the platform
+          design in nommu mode. If your platform needs to select
+          high exception vector, say Y.
+          Otherwise or if you are unsure, say N, and the low exception
+          vector (0x00000000~) will be used.
+
 config CPU_ICACHE_DISABLE
-        bool "Disable I-Cache"
-        depends on CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 || CPU_V6
+        bool "Disable I-Cache (I-bit)"
+        depends on CPU_CP15 && !(CPU_ARM610 || CPU_ARM710 || CPU_ARM720T || CPU_ARM740T || CPU_XSCALE || CPU_XSC3)
         help
           Say Y here to disable the processor instruction cache. Unless
           you have a reason not to or are unsure, say N.
 
 config CPU_DCACHE_DISABLE
-        bool "Disable D-Cache"
-        depends on CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 || CPU_V6
+        bool "Disable D-Cache (C-bit)"
+        depends on CPU_CP15
         help
           Say Y here to disable the processor data cache. Unless
           you have a reason not to or are unsure, say N.
 
+config CPU_DCACHE_SIZE
+        hex
+        depends on CPU_ARM740T || CPU_ARM946E
+        default 0x00001000 if CPU_ARM740T
+        default 0x00002000 # default size for ARM946E-S
+        help
+          Some cores are synthesizable to have various sized cache. For
+          ARM946E-S case, it can vary from 0KB to 1MB.
+          To support such cache operations, it is efficient to know the size
+          before compile time.
+          If your SoC is configured to have a different size, define the value
+          here with proper conditions.
+
 config CPU_DCACHE_WRITETHROUGH
         bool "Force write through D-cache"
-        depends on (CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 || CPU_V6) && !CPU_DCACHE_DISABLE
+        depends on (CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || CPU_ARM1020 || CPU_V6) && !CPU_DCACHE_DISABLE
         default y if CPU_ARM925T
         help
           Say Y here to use the data cache in writethrough mode. Unless you
@@ -435,7 +573,7 @@ config CPU_DCACHE_WRITETHROUGH
 
 config CPU_CACHE_ROUND_ROBIN
         bool "Round robin I and D cache replacement algorithm"
-        depends on (CPU_ARM926T || CPU_ARM1020) && (!CPU_ICACHE_DISABLE || !CPU_DCACHE_DISABLE)
+        depends on (CPU_ARM926T || CPU_ARM946E || CPU_ARM1020) && (!CPU_ICACHE_DISABLE || !CPU_DCACHE_DISABLE)
         help
           Say Y here to use the predictable round-robin cache replacement
           policy.  Unless you specifically require this or are unsure, say N.
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index 1a1563f859a..d2f5672ecf6 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -6,7 +6,7 @@ obj-y				:= consistent.o extable.o fault.o init.o \
                                    iomap.o
 
 obj-$(CONFIG_MMU)               += fault-armv.o flush.o ioremap.o mmap.o \
-                                   mm-armv.o
+                                   pgd.o mmu.o
 
 ifneq ($(CONFIG_MMU),y)
 obj-y                           += nommu.o
@@ -17,6 +17,7 @@ obj-$(CONFIG_MODULES)		+= proc-syms.o
 obj-$(CONFIG_ALIGNMENT_TRAP)    += alignment.o
 obj-$(CONFIG_DISCONTIGMEM)      += discontig.o
 
+obj-$(CONFIG_CPU_ABRT_NOMMU)    += abort-nommu.o
 obj-$(CONFIG_CPU_ABRT_EV4)      += abort-ev4.o
 obj-$(CONFIG_CPU_ABRT_EV4T)     += abort-ev4t.o
 obj-$(CONFIG_CPU_ABRT_LV4T)     += abort-lv4t.o
@@ -46,11 +47,16 @@ obj-$(CONFIG_CPU_TLB_V6)	+= tlb-v6.o
 
 obj-$(CONFIG_CPU_ARM610)        += proc-arm6_7.o
 obj-$(CONFIG_CPU_ARM710)        += proc-arm6_7.o
+obj-$(CONFIG_CPU_ARM7TDMI)      += proc-arm7tdmi.o
 obj-$(CONFIG_CPU_ARM720T)       += proc-arm720.o
+obj-$(CONFIG_CPU_ARM740T)       += proc-arm740.o
+obj-$(CONFIG_CPU_ARM9TDMI)      += proc-arm9tdmi.o
 obj-$(CONFIG_CPU_ARM920T)       += proc-arm920.o
 obj-$(CONFIG_CPU_ARM922T)       += proc-arm922.o
 obj-$(CONFIG_CPU_ARM925T)       += proc-arm925.o
 obj-$(CONFIG_CPU_ARM926T)       += proc-arm926.o
+obj-$(CONFIG_CPU_ARM940T)       += proc-arm940.o
+obj-$(CONFIG_CPU_ARM946E)       += proc-arm946.o
 obj-$(CONFIG_CPU_ARM1020)       += proc-arm1020.o
 obj-$(CONFIG_CPU_ARM1020E)      += proc-arm1020e.o
 obj-$(CONFIG_CPU_ARM1022)       += proc-arm1022.o
diff --git a/arch/arm/mm/abort-lv4t.S b/arch/arm/mm/abort-lv4t.S
index db743e51021..9fb7b0e25ea 100644
--- a/arch/arm/mm/abort-lv4t.S
+++ b/arch/arm/mm/abort-lv4t.S
@@ -19,11 +19,16 @@
  */
 ENTRY(v4t_late_abort)
         tst     r3, #PSR_T_BIT                  @ check for thumb mode
+#ifdef CONFIG_CPU_CP15_MMU
         mrc     p15, 0, r1, c5, c0, 0           @ get FSR
         mrc     p15, 0, r0, c6, c0, 0           @ get FAR
+        bic     r1, r1, #1 << 11 | 1 << 10      @ clear bits 11 and 10 of FSR
+#else
+        mov     r0, #0                          @ clear r0, r1 (no FSR/FAR)
+        mov     r1, #0
+#endif
         bne     .data_thumb_abort
         ldr     r8, [r2]                        @ read arm instruction
-        bic     r1, r1, #1 << 11 | 1 << 10      @ clear bits 11 and 10 of FSR
         tst     r8, #1 << 20                    @ L = 1 -> write?
         orreq   r1, r1, #1 << 11                @ yes.
         and     r7, r8, #15 << 24
diff --git a/arch/arm/mm/abort-nommu.S b/arch/arm/mm/abort-nommu.S
new file mode 100644
index 00000000000..a7cc7f9ee45
--- /dev/null
+++ b/arch/arm/mm/abort-nommu.S
@@ -0,0 +1,19 @@
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+/*
+ * Function: nommu_early_abort
+ *
+ * Params  : r2 = address of aborted instruction
+ *         : r3 = saved SPSR
+ *
+ * Returns : r0 = 0 (abort address)
+ *         : r1 = 0 (FSR)
+ *
+ * Note: There is no FSR/FAR on !CPU_CP15_MMU cores.
+ *       Just fill zero into the registers.
+ */
+        .align  5
+ENTRY(nommu_early_abort)
+        mov     r0, #0                          @ clear r0, r1 (no FSR/FAR)
+        mov     r1, #0
+        mov     pc, lr
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index e0d21bbbe7d..aa109f074dd 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -735,7 +735,7 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
         /*
          * We got a fault - fix it up, or die.
          */
-        do_bad_area(current, current->mm, addr, fsr, regs);
+        do_bad_area(addr, fsr, regs);
         return 0;
 
  swp:
diff --git a/arch/arm/mm/cache-v4.S b/arch/arm/mm/cache-v4.S
index b8ad5d58ebe..b2908063ed6 100644
--- a/arch/arm/mm/cache-v4.S
+++ b/arch/arm/mm/cache-v4.S
@@ -29,9 +29,13 @@ ENTRY(v4_flush_user_cache_all)
  *      Clean and invalidate the entire cache.
  */
 ENTRY(v4_flush_kern_cache_all)
+#ifdef CPU_CP15
         mov     r0, #0
         mcr     p15, 0, r0, c7, c7, 0           @ flush ID cache
         mov     pc, lr
+#else
+        /* FALLTHROUGH */
+#endif
 
 /*
  *      flush_user_cache_range(start, end, flags)
@@ -44,9 +48,13 @@ ENTRY(v4_flush_kern_cache_all)
  *      - flags - vma_area_struct flags describing address space
  */
 ENTRY(v4_flush_user_cache_range)
+#ifdef CPU_CP15
         mov     ip, #0
         mcreq   p15, 0, ip, c7, c7, 0           @ flush ID cache
         mov     pc, lr
+#else
+        /* FALLTHROUGH */
+#endif
 
 /*
  *      coherent_kern_range(start, end)
@@ -108,8 +116,10 @@ ENTRY(v4_dma_inv_range)
  *      - end    - virtual end address
  */
 ENTRY(v4_dma_flush_range)
+#ifdef CPU_CP15
         mov     r0, #0
         mcr     p15, 0, r0, c7, c7, 0           @ flush ID cache
+#endif
         /* FALLTHROUGH */
 
 /*
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index c5e0622c776..f0943d160ff 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -131,10 +131,11 @@ __do_user_fault(struct task_struct *tsk, unsigned long addr,
         force_sig_info(sig, &si, tsk);
 }
 
-void
-do_bad_area(struct task_struct *tsk, struct mm_struct *mm, unsigned long addr,
-            unsigned int fsr, struct pt_regs *regs)
+void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 {
+        struct task_struct *tsk = current;
+        struct mm_struct *mm = tsk->active_mm;
+
         /*
          * If we are in kernel mode at this point, we
          * have no context to handle this fault with.
@@ -319,7 +320,6 @@ static int
 do_translation_fault(unsigned long addr, unsigned int fsr,
                      struct pt_regs *regs)
 {
-        struct task_struct *tsk;
         unsigned int index;
         pgd_t *pgd, *pgd_k;
         pmd_t *pmd, *pmd_k;
@@ -351,9 +351,7 @@ do_translation_fault(unsigned long addr, unsigned int fsr,
         return 0;
 
 bad_area:
-        tsk = current;
-
-        do_bad_area(tsk, tsk->active_mm, addr, fsr, regs);
+        do_bad_area(addr, fsr, regs);
         return 0;
 }
 
@@ -364,8 +362,7 @@ bad_area:
 static int
 do_sect_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
 {
-        struct task_struct *tsk = current;
-        do_bad_area(tsk, tsk->active_mm, addr, fsr, regs);
+        do_bad_area(addr, fsr, regs);
         return 0;
 }
 
diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h
index 73b59e83227..49e9e3804de 100644
--- a/arch/arm/mm/fault.h
+++ b/arch/arm/mm/fault.h
@@ -1,6 +1,3 @@
-void do_bad_area(struct task_struct *tsk, struct mm_struct *mm,
-                 unsigned long addr, unsigned int fsr, struct pt_regs *regs);
-
-void show_pte(struct mm_struct *mm, unsigned long addr);
+void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs);
 
 unsigned long search_exception_table(unsigned long addr);
diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 64262bda8e5..22217fe2650 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -27,10 +27,7 @@
 
 #include "mm.h"
 
-DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-
-extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
-extern void _stext, _text, _etext, __data_start, _end, __init_begin, __init_end;
+extern void _text, _etext, __data_start, _end, __init_begin, __init_end;
 extern unsigned long phys_initrd_start;
 extern unsigned long phys_initrd_size;
 
@@ -40,17 +37,6 @@ extern unsigned long phys_initrd_size;
  */
 static struct meminfo meminfo __initdata = { 0, };
 
-/*
- * empty_zero_page is a special page that is used for
- * zero-initialized data and COW.
- */
-struct page *empty_zero_page;
-
-/*
- * The pmd table for the upper-most set of pages.
- */
-pmd_t *top_pmd;
-
 void show_mem(void)
 {
         int free = 0, total = 0, reserved = 0;
@@ -173,57 +159,18 @@ static int __init check_initrd(struct meminfo *mi)
         return initrd_node;
 }
 
-/*
- * Reserve the various regions of node 0
- */
-static __init void reserve_node_zero(pg_data_t *pgdat)
+static inline void map_memory_bank(struct membank *bank)
 {
-        unsigned long res_size = 0;
-
-        /*
-         * Register the kernel text and data with bootmem.
-         * Note that this can only be in node 0.
-         */
-#ifdef CONFIG_XIP_KERNEL
-        reserve_bootmem_node(pgdat, __pa(&__data_start), &_end - &__data_start);
-#else
-        reserve_bootmem_node(pgdat, __pa(&_stext), &_end - &_stext);
-#endif
-
-        /*
-         * Reserve the page tables.  These are already in use,
-         * and can only be in node 0.
-         */
-        reserve_bootmem_node(pgdat, __pa(swapper_pg_dir),
-                             PTRS_PER_PGD * sizeof(pgd_t));
+#ifdef CONFIG_MMU
+        struct map_desc map;
 
-        /*
-         * Hmm... This should go elsewhere, but we really really need to
-         * stop things allocating the low memory; ideally we need a better
-         * implementation of GFP_DMA which does not assume that DMA-able
-         * memory starts at zero.
-         */
-        if (machine_is_integrator() || machine_is_cintegrator())
-                res_size = __pa(swapper_pg_dir) - PHYS_OFFSET;
+        map.pfn = __phys_to_pfn(bank->start);
+        map.virtual = __phys_to_virt(bank->start);
+        map.length = bank->size;
+        map.type = MT_MEMORY;
 
-        /*
-         * These should likewise go elsewhere.  They pre-reserve the
-         * screen memory region at the start of main system memory.
-         */
-        if (machine_is_edb7211())
-                res_size = 0x00020000;
-        if (machine_is_p720t())
-                res_size = 0x00014000;
-
-#ifdef CONFIG_SA1111
-        /*
-         * Because of the SA1111 DMA bug, we want to preserve our
-         * precious DMA-able memory...
-         */
-        res_size = __pa(swapper_pg_dir) - PHYS_OFFSET;
+        create_mapping(&map);
 #endif
-        if (res_size)
-                reserve_bootmem_node(pgdat, PHYS_OFFSET, res_size);
 }
 
 static unsigned long __init
@@ -242,23 +189,18 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
          * Calculate the pfn range, and map the memory banks for this node.
          */
         for_each_nodebank(i, mi, node) {
+                struct membank *bank = &mi->bank[i];
                 unsigned long start, end;
-                struct map_desc map;
 
-                start = mi->bank[i].start >> PAGE_SHIFT;
-                end = (mi->bank[i].start + mi->bank[i].size) >> PAGE_SHIFT;
+                start = bank->start >> PAGE_SHIFT;
+                end = (bank->start + bank->size) >> PAGE_SHIFT;
 
                 if (start_pfn > start)
                         start_pfn = start;
                 if (end_pfn < end)
                         end_pfn = end;
 
-                map.pfn = __phys_to_pfn(mi->bank[i].start);
-                map.virtual = __phys_to_virt(mi->bank[i].start);
-                map.length = mi->bank[i].size;
-                map.type = MT_MEMORY;
-
-                create_mapping(&map);
+                map_memory_bank(bank);
         }
 
         /*
@@ -340,9 +282,9 @@ bootmem_init_node(int node, int initrd_node, struct meminfo *mi)
         return end_pfn;
 }
 
-static void __init bootmem_init(struct meminfo *mi)
+void __init bootmem_init(struct meminfo *mi)
 {
-        unsigned long addr, memend_pfn = 0;
+        unsigned long memend_pfn = 0;
         int node, initrd_node, i;
 
         /*
@@ -355,26 +297,6 @@ static void __init bootmem_init(struct meminfo *mi)
         memcpy(&meminfo, mi, sizeof(meminfo));
 
         /*
-         * Clear out all the mappings below the kernel image.
-         */
-        for (addr = 0; addr < MODULE_START; addr += PGDIR_SIZE)
-                pmd_clear(pmd_off_k(addr));
-#ifdef CONFIG_XIP_KERNEL
-        /* The XIP kernel is mapped in the module area -- skip over it */
-        addr = ((unsigned long)&_etext + PGDIR_SIZE - 1) & PGDIR_MASK;
-#endif
-        for ( ; addr < PAGE_OFFSET; addr += PGDIR_SIZE)
-                pmd_clear(pmd_off_k(addr));
-
-        /*
-         * Clear out all the kernel space mappings, except for the first
-         * memory bank, up to the end of the vmalloc region.
-         */
-        for (addr = __phys_to_virt(mi->bank[0].start + mi->bank[0].size);
-             addr < VMALLOC_END; addr += PGDIR_SIZE)
-                pmd_clear(pmd_off_k(addr));
-
-        /*
          * Locate which node contains the ramdisk image, if any.
          */
         initrd_node = check_initrd(mi);
@@ -407,114 +329,6 @@ static void __init bootmem_init(struct meminfo *mi)
         max_pfn = max_low_pfn = memend_pfn - PHYS_PFN_OFFSET;
 }
 
-/*
- * Set up device the mappings.  Since we clear out the page tables for all
- * mappings above VMALLOC_END, we will remove any debug device mappings.
- * This means you have to be careful how you debug this function, or any
- * called function.  This means you can't use any function or debugging
- * method which may touch any device, otherwise the kernel _will_ crash.
- */
-static void __init devicemaps_init(struct machine_desc *mdesc)
-{
-        struct map_desc map;
-        unsigned long addr;
-        void *vectors;
-
-        /*
-         * Allocate the vector page early.
-         */
-        vectors = alloc_bootmem_low_pages(PAGE_SIZE);
-        BUG_ON(!vectors);
-
-        for (addr = VMALLOC_END; addr; addr += PGDIR_SIZE)
-                pmd_clear(pmd_off_k(addr));
-
-        /*
-         * Map the kernel if it is XIP.
-         * It is always first in the modulearea.
-         */
-#ifdef CONFIG_XIP_KERNEL
-        map.pfn = __phys_to_pfn(CONFIG_XIP_PHYS_ADDR & SECTION_MASK);
-        map.virtual = MODULE_START;
-        map.length = ((unsigned long)&_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK;
-        map.type = MT_ROM;
-        create_mapping(&map);
-#endif
-
-        /*
-         * Map the cache flushing regions.
-         */
-#ifdef FLUSH_BASE
-        map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS);
-        map.virtual = FLUSH_BASE;
-        map.length = SZ_1M;
-        map.type = MT_CACHECLEAN;
-        create_mapping(&map);
-#endif
-#ifdef FLUSH_BASE_MINICACHE
-        map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS + SZ_1M);
-        map.virtual = FLUSH_BASE_MINICACHE;
-        map.length = SZ_1M;
-        map.type = MT_MINICLEAN;
-        create_mapping(&map);
-#endif
-
-        /*
-         * Create a mapping for the machine vectors at the high-vectors
-         * location (0xffff0000).  If we aren't using high-vectors, also
-         * create a mapping at the low-vectors virtual address.
-         */
-        map.pfn = __phys_to_pfn(virt_to_phys(vectors));
-        map.virtual = 0xffff0000;
-        map.length = PAGE_SIZE;
-        map.type = MT_HIGH_VECTORS;
-        create_mapping(&map);
-
-        if (!vectors_high()) {
-                map.virtual = 0;
-                map.type = MT_LOW_VECTORS;
-                create_mapping(&map);
-        }
-
-        /*
-         * Ask the machine support to map in the statically mapped devices.
-         */
-        if (mdesc->map_io)
-                mdesc->map_io();
-
-        /*
-         * Finally flush the caches and tlb to ensure that we're in a
-         * consistent state wrt the writebuffer.  This also ensures that
-         * any write-allocated cache lines in the vector page are written
-         * back.  After this point, we can start to touch devices again.
-         */
-        local_flush_tlb_all();
-        flush_cache_all();
-}
-
-/*
- * paging_init() sets up the page tables, initialises the zone memory
- * maps, and sets up the zero page, bad page and bad page tables.
- */
-void __init paging_init(struct meminfo *mi, struct machine_desc *mdesc)
-{
-        void *zero_page;
-
-        build_mem_type_table();
-        bootmem_init(mi);
-        devicemaps_init(mdesc);
-
-        top_pmd = pmd_off_k(0xffff0000);
-
-        /*
-         * allocate the zero page.  Note that we count on this going ok.
-         */
-        zero_page = alloc_bootmem_low_pages(PAGE_SIZE);
-        memzero(zero_page, PAGE_SIZE);
-        empty_zero_page = virt_to_page(zero_page);
-        flush_dcache_page(empty_zero_page);
-}
-
 static inline void free_area(unsigned long addr, unsigned long end, char *s)
 {
         unsigned int size = (end - addr) >> 10;
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index 8d73ffbce8d..bb2bc9ab6bd 100644
--- a/arch/arm/mm/mm.h
+++ b/arch/arm/mm/mm.h
@@ -14,6 +14,9 @@ static inline pmd_t *pmd_off_k(unsigned long virt)
 }
 
 struct map_desc;
+struct meminfo;
+struct pglist_data;
 
-void __init build_mem_type_table(void);
 void __init create_mapping(struct map_desc *md);
+void __init bootmem_init(struct meminfo *mi);
+void reserve_node_zero(struct pglist_data *pgdat);
diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mmu.c
index ee9647823fa..e566cbe4b22 100644
--- a/arch/arm/mm/mm-armv.c
+++ b/arch/arm/mm/mmu.c
@@ -1,30 +1,46 @@
 /*
- *  linux/arch/arm/mm/mm-armv.c
+ *  linux/arch/arm/mm/mmu.c
  *
- *  Copyright (C) 1998-2005 Russell King
+ *  Copyright (C) 1995-2005 Russell King
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
- *
- *  Page table sludge for ARM v3 and v4 processor architectures.
  */
 #include <linux/module.h>
-#include <linux/mm.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/bootmem.h>
-#include <linux/highmem.h>
+#include <linux/mman.h>
 #include <linux/nodemask.h>
 
-#include <asm/pgalloc.h>
-#include <asm/page.h>
+#include <asm/mach-types.h>
 #include <asm/setup.h>
-#include <asm/tlbflush.h>
+#include <asm/sizes.h>
+#include <asm/tlb.h>
 
+#include <asm/mach/arch.h>
 #include <asm/mach/map.h>
 
 #include "mm.h"
 
+DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
+
+extern void _stext, __data_start, _end;
+extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
+
+/*
+ * empty_zero_page is a special page that is used for
+ * zero-initialized data and COW.
+ */
+struct page *empty_zero_page;
+
+/*
+ * The pmd table for the upper-most set of pages.
+ */
+pmd_t *top_pmd;
+
 #define CPOLICY_UNCACHED        0
 #define CPOLICY_BUFFERED        1
 #define CPOLICY_WRITETHROUGH    2
@@ -99,6 +115,7 @@ static void __init early_cachepolicy(char **p)
         flush_cache_all();
         set_cr(cr_alignment);
 }
+__early_param("cachepolicy=", early_cachepolicy);
 
 static void __init early_nocache(char **__unused)
 {
@@ -106,6 +123,7 @@ static void __init early_nocache(char **__unused)
         printk(KERN_WARNING "nocache is deprecated; use cachepolicy=%s\n", p);
         early_cachepolicy(&p);
 }
+__early_param("nocache", early_nocache);
 
 static void __init early_nowrite(char **__unused)
 {
@@ -113,6 +131,7 @@ static void __init early_nowrite(char **__unused)
         printk(KERN_WARNING "nowb is deprecated; use cachepolicy=%s\n", p);
         early_cachepolicy(&p);
 }
+__early_param("nowb", early_nowrite);
 
 static void __init early_ecc(char **p)
 {
@@ -124,10 +143,6 @@ static void __init early_ecc(char **p)
                 *p += 3;
         }
 }
-
-__early_param("nocache", early_nocache);
-__early_param("nowb", early_nowrite);
-__early_param("cachepolicy=", early_cachepolicy);
 __early_param("ecc=", early_ecc);
 
 static int __init noalign_setup(char *__unused)
@@ -137,149 +152,8 @@ static int __init noalign_setup(char *__unused)
         set_cr(cr_alignment);
         return 1;
 }
-
 __setup("noalign", noalign_setup);
 
-#define FIRST_KERNEL_PGD_NR     (FIRST_USER_PGD_NR + USER_PTRS_PER_PGD)
-
-/*
- * need to get a 16k page for level 1
- */
-pgd_t *get_pgd_slow(struct mm_struct *mm)
-{
-        pgd_t *new_pgd, *init_pgd;
-        pmd_t *new_pmd, *init_pmd;
-        pte_t *new_pte, *init_pte;
-
-        new_pgd = (pgd_t *)__get_free_pages(GFP_KERNEL, 2);
-        if (!new_pgd)
-                goto no_pgd;
-
-        memzero(new_pgd, FIRST_KERNEL_PGD_NR * sizeof(pgd_t));
-
-        /*
-         * Copy over the kernel and IO PGD entries
-         */
-        init_pgd = pgd_offset_k(0);
-        memcpy(new_pgd + FIRST_KERNEL_PGD_NR, init_pgd + FIRST_KERNEL_PGD_NR,
-                       (PTRS_PER_PGD - FIRST_KERNEL_PGD_NR) * sizeof(pgd_t));
-
-        clean_dcache_area(new_pgd, PTRS_PER_PGD * sizeof(pgd_t));
-
-        if (!vectors_high()) {
-                /*
-                 * On ARM, first page must always be allocated since it
-                 * contains the machine vectors.
-                 */
-                new_pmd = pmd_alloc(mm, new_pgd, 0);
-                if (!new_pmd)
-                        goto no_pmd;
-
-                new_pte = pte_alloc_map(mm, new_pmd, 0);
-                if (!new_pte)
-                        goto no_pte;
-
-                init_pmd = pmd_offset(init_pgd, 0);
-                init_pte = pte_offset_map_nested(init_pmd, 0);
-                set_pte(new_pte, *init_pte);
-                pte_unmap_nested(init_pte);
-                pte_unmap(new_pte);
-        }
-
-        return new_pgd;
-
-no_pte:
-        pmd_free(new_pmd);
-no_pmd:
-        free_pages((unsigned long)new_pgd, 2);
-no_pgd:
-        return NULL;
-}
-
-void free_pgd_slow(pgd_t *pgd)
-{
-        pmd_t *pmd;
-        struct page *pte;
-
-        if (!pgd)
-                return;
-
-        /* pgd is always present and good */
-        pmd = pmd_off(pgd, 0);
-        if (pmd_none(*pmd))
-                goto free;
-        if (pmd_bad(*pmd)) {
-                pmd_ERROR(*pmd);
-                pmd_clear(pmd);
-                goto free;
-        }
-
-        pte = pmd_page(*pmd);
-        pmd_clear(pmd);
-        dec_zone_page_state(virt_to_page((unsigned long *)pgd), NR_PAGETABLE);
-        pte_lock_deinit(pte);
-        pte_free(pte);
-        pmd_free(pmd);
-free:
-        free_pages((unsigned long) pgd, 2);
-}
-
-/*
- * Create a SECTION PGD between VIRT and PHYS in domain
- * DOMAIN with protection PROT.  This operates on half-
- * pgdir entry increments.
- */
-static inline void
-alloc_init_section(unsigned long virt, unsigned long phys, int prot)
-{
-        pmd_t *pmdp = pmd_off_k(virt);
-
-        if (virt & (1 << 20))
-                pmdp++;
-
-        *pmdp = __pmd(phys | prot);
-        flush_pmd_entry(pmdp);
-}
-
-/*
- * Create a SUPER SECTION PGD between VIRT and PHYS with protection PROT
- */
-static inline void
-alloc_init_supersection(unsigned long virt, unsigned long phys, int prot)
-{
-        int i;
-
-        for (i = 0; i < 16; i += 1) {
-                alloc_init_section(virt, phys, prot | PMD_SECT_SUPER);
-
-                virt += (PGDIR_SIZE / 2);
-        }
-}
-
-/*
- * Add a PAGE mapping between VIRT and PHYS in domain
- * DOMAIN with protection PROT.  Note that due to the
- * way we map the PTEs, we must allocate two PTE_SIZE'd
- * blocks - one for the Linux pte table, and one for
- * the hardware pte table.
- */
-static inline void
-alloc_init_page(unsigned long virt, unsigned long phys, unsigned int prot_l1, pgprot_t prot)
-{
-        pmd_t *pmdp = pmd_off_k(virt);
-        pte_t *ptep;
-
-        if (pmd_none(*pmdp)) {
-                ptep = alloc_bootmem_low_pages(2 * PTRS_PER_PTE *
-                                               sizeof(pte_t));
-
-                __pmd_populate(pmdp, __pa(ptep) | prot_l1);
-        }
-        ptep = pte_offset_kernel(pmdp, virt);
-
-        set_pte(ptep, pfn_pte(phys >> PAGE_SHIFT, prot));
-}
-
 struct mem_types {
         unsigned int    prot_pte;
         unsigned int    prot_l1;
@@ -344,7 +218,7 @@ static struct mem_types mem_types[] __initdata = {
 /*
  * Adjust the PMD section entries according to the CPU in use.
  */
-void __init build_mem_type_table(void)
+static void __init build_mem_type_table(void)
 {
         struct cachepolicy *cp;
         unsigned int cr = get_cr();
@@ -482,6 +356,62 @@ void __init build_mem_type_table(void)
 #define vectors_base()  (vectors_high() ? 0xffff0000 : 0)
 
 /*
+ * Create a SECTION PGD between VIRT and PHYS in domain
+ * DOMAIN with protection PROT.  This operates on half-
+ * pgdir entry increments.
+ */
+static inline void
+alloc_init_section(unsigned long virt, unsigned long phys, int prot)
+{
+        pmd_t *pmdp = pmd_off_k(virt);
+
+        if (virt & (1 << 20))
+                pmdp++;
+
+        *pmdp = __pmd(phys | prot);
+        flush_pmd_entry(pmdp);
+}
+
+/*
+ * Create a SUPER SECTION PGD between VIRT and PHYS with protection PROT
+ */
+static inline void
+alloc_init_supersection(unsigned long virt, unsigned long phys, int prot)
+{
+        int i;
+
+        for (i = 0; i < 16; i += 1) {
+                alloc_init_section(virt, phys, prot | PMD_SECT_SUPER);
+
+                virt += (PGDIR_SIZE / 2);
+        }
+}
+
+/*
+ * Add a PAGE mapping between VIRT and PHYS in domain
+ * DOMAIN with protection PROT.  Note that due to the
+ * way we map the PTEs, we must allocate two PTE_SIZE'd
+ * blocks - one for the Linux pte table, and one for
+ * the hardware pte table.
+ */
+static inline void
+alloc_init_page(unsigned long virt, unsigned long phys, unsigned int prot_l1, pgprot_t prot)
+{
+        pmd_t *pmdp = pmd_off_k(virt);
+        pte_t *ptep;
+
+        if (pmd_none(*pmdp)) {
+                ptep = alloc_bootmem_low_pages(2 * PTRS_PER_PTE *
+                                               sizeof(pte_t));
+
+                __pmd_populate(pmdp, __pa(ptep) | prot_l1);
+        }
+        ptep = pte_offset_kernel(pmdp, virt);
+
+        set_pte(ptep, pfn_pte(phys >> PAGE_SHIFT, prot));
+}
+
+/*
  * Create the page directory entries and any necessary
  * page tables for the mapping specified by `md'.  We
  * are able to cope here with varying sizes and address
@@ -611,6 +541,205 @@ void __init create_mapping(struct map_desc *md)
 }
 
 /*
+ * Create the architecture specific mappings
+ */
+void __init iotable_init(struct map_desc *io_desc, int nr)
+{
+        int i;
+
+        for (i = 0; i < nr; i++)
+                create_mapping(io_desc + i);
+}
+
+static inline void prepare_page_table(struct meminfo *mi)
+{
+        unsigned long addr;
+
+        /*
+         * Clear out all the mappings below the kernel image.
+         */
+        for (addr = 0; addr < MODULE_START; addr += PGDIR_SIZE)
+                pmd_clear(pmd_off_k(addr));
+
+#ifdef CONFIG_XIP_KERNEL
+        /* The XIP kernel is mapped in the module area -- skip over it */
+        addr = ((unsigned long)&_etext + PGDIR_SIZE - 1) & PGDIR_MASK;
+#endif
+        for ( ; addr < PAGE_OFFSET; addr += PGDIR_SIZE)
+                pmd_clear(pmd_off_k(addr));
+
+        /*
+         * Clear out all the kernel space mappings, except for the first
+         * memory bank, up to the end of the vmalloc region.
+         */
+        for (addr = __phys_to_virt(mi->bank[0].start + mi->bank[0].size);
+             addr < VMALLOC_END; addr += PGDIR_SIZE)
+                pmd_clear(pmd_off_k(addr));
+}
+
+/*
+ * Reserve the various regions of node 0
+ */
+void __init reserve_node_zero(pg_data_t *pgdat)
+{
+        unsigned long res_size = 0;
+
+        /*
+         * Register the kernel text and data with bootmem.
+         * Note that this can only be in node 0.
+         */
+#ifdef CONFIG_XIP_KERNEL
+        reserve_bootmem_node(pgdat, __pa(&__data_start), &_end - &__data_start);
+#else
+        reserve_bootmem_node(pgdat, __pa(&_stext), &_end - &_stext);
+#endif
+
+        /*
+         * Reserve the page tables.  These are already in use,
+         * and can only be in node 0.
+         */
+        reserve_bootmem_node(pgdat, __pa(swapper_pg_dir),
+                             PTRS_PER_PGD * sizeof(pgd_t));
+
+        /*
+         * Hmm... This should go elsewhere, but we really really need to
+         * stop things allocating the low memory; ideally we need a better
+         * implementation of GFP_DMA which does not assume that DMA-able
+         * memory starts at zero.
+         */
+        if (machine_is_integrator() || machine_is_cintegrator())
+                res_size = __pa(swapper_pg_dir) - PHYS_OFFSET;
+
+        /*
+         * These should likewise go elsewhere.  They pre-reserve the
+         * screen memory region at the start of main system memory.
+         */
+        if (machine_is_edb7211())
+                res_size = 0x00020000;
+        if (machine_is_p720t())
+                res_size = 0x00014000;
+
+#ifdef CONFIG_SA1111
+        /*
+         * Because of the SA1111 DMA bug, we want to preserve our
+         * precious DMA-able memory...
+         */
+        res_size = __pa(swapper_pg_dir) - PHYS_OFFSET;
+#endif
+        if (res_size)
+                reserve_bootmem_node(pgdat, PHYS_OFFSET, res_size);
+}
+
+/*
+ * Set up device the mappings.  Since we clear out the page tables for all
+ * mappings above VMALLOC_END, we will remove any debug device mappings.
+ * This means you have to be careful how you debug this function, or any
+ * called function.  This means you can't use any function or debugging
+ * method which may touch any device, otherwise the kernel _will_ crash.
+ */
+static void __init devicemaps_init(struct machine_desc *mdesc)
+{
+        struct map_desc map;
+        unsigned long addr;
+        void *vectors;
+
+        /*
+         * Allocate the vector page early.
+         */
+        vectors = alloc_bootmem_low_pages(PAGE_SIZE);
+        BUG_ON(!vectors);
+
+        for (addr = VMALLOC_END; addr; addr += PGDIR_SIZE)
+                pmd_clear(pmd_off_k(addr));
+
+        /*
+         * Map the kernel if it is XIP.
+         * It is always first in the modulearea.
+         */
+#ifdef CONFIG_XIP_KERNEL
+        map.pfn = __phys_to_pfn(CONFIG_XIP_PHYS_ADDR & SECTION_MASK);
+        map.virtual = MODULE_START;
+        map.length = ((unsigned long)&_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK;
+        map.type = MT_ROM;
+        create_mapping(&map);
+#endif
+
+        /*
+         * Map the cache flushing regions.
+         */
+#ifdef FLUSH_BASE
+        map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS);
+        map.virtual = FLUSH_BASE;
+        map.length = SZ_1M;
+        map.type = MT_CACHECLEAN;
+        create_mapping(&map);
+#endif
+#ifdef FLUSH_BASE_MINICACHE
+        map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS + SZ_1M);
+        map.virtual = FLUSH_BASE_MINICACHE;
+        map.length = SZ_1M;
+        map.type = MT_MINICLEAN;
+        create_mapping(&map);
+#endif
+
+        /*
+         * Create a mapping for the machine vectors at the high-vectors
+         * location (0xffff0000).  If we aren't using high-vectors, also
+         * create a mapping at the low-vectors virtual address.
+         */
+        map.pfn = __phys_to_pfn(virt_to_phys(vectors));
+        map.virtual = 0xffff0000;
+        map.length = PAGE_SIZE;
+        map.type = MT_HIGH_VECTORS;
+        create_mapping(&map);
+
+        if (!vectors_high()) {
+                map.virtual = 0;
+                map.type = MT_LOW_VECTORS;
+                create_mapping(&map);
+        }
+
+        /*
+         * Ask the machine support to map in the statically mapped devices.
+         */
+        if (mdesc->map_io)
+                mdesc->map_io();
+
+        /*
+         * Finally flush the caches and tlb to ensure that we're in a
+         * consistent state wrt the writebuffer.  This also ensures that
+         * any write-allocated cache lines in the vector page are written
+         * back.  After this point, we can start to touch devices again.
+         */
+        local_flush_tlb_all();
+        flush_cache_all();
+}
+
+/*
+ * paging_init() sets up the page tables, initialises the zone memory
+ * maps, and sets up the zero page, bad page and bad page tables.
+ */
+void __init paging_init(struct meminfo *mi, struct machine_desc *mdesc)
+{
+        void *zero_page;
+
+        build_mem_type_table();
+        prepare_page_table(mi);
+        bootmem_init(mi);
+        devicemaps_init(mdesc);
+
+        top_pmd = pmd_off_k(0xffff0000);
+
+        /*
+         * allocate the zero page.  Note that we count on this going ok.
+         */
+        zero_page = alloc_bootmem_low_pages(PAGE_SIZE);
+        memzero(zero_page, PAGE_SIZE);
+        empty_zero_page = virt_to_page(zero_page);
+        flush_dcache_page(empty_zero_page);
+}
+
+/*
  * In order to soft-boot, we need to insert a 1:1 mapping in place of
  * the user-mode pages.  This will then ensure that we have predictable
  * results when turning the mmu off
@@ -640,14 +769,3 @@ void setup_mm_for_reboot(char mode)
                 flush_pmd_entry(pmd);
         }
 }
-
-/*
- * Create the architecture specific mappings
- */
-void __init iotable_init(struct map_desc *io_desc, int nr)
-{
-        int i;
-
-        for (i = 0; i < nr; i++)
-                create_mapping(io_desc + i);
-}
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 1464ed817b5..d0e66424a59 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -11,6 +11,49 @@
 #include <asm/io.h>
 #include <asm/page.h>
 
+#include "mm.h"
+
+extern void _stext, __data_start, _end;
+
+/*
+ * Reserve the various regions of node 0
+ */
+void __init reserve_node_zero(pg_data_t *pgdat)
+{
+        /*
+         * Register the kernel text and data with bootmem.
+         * Note that this can only be in node 0.
+         */
+#ifdef CONFIG_XIP_KERNEL
+        reserve_bootmem_node(pgdat, __pa(&__data_start), &_end - &__data_start);
+#else
+        reserve_bootmem_node(pgdat, __pa(&_stext), &_end - &_stext);
+#endif
+
+        /*
+         * Register the exception vector page.
+         * some architectures which the DRAM is the exception vector to trap,
+         * alloc_page breaks with error, although it is not NULL, but "0."
+         */
+        reserve_bootmem_node(pgdat, CONFIG_VECTORS_BASE, PAGE_SIZE);
+}
+
+/*
+ * paging_init() sets up the page tables, initialises the zone memory
+ * maps, and sets up the zero page, bad page and bad page tables.
+ */
+void __init paging_init(struct meminfo *mi, struct machine_desc *mdesc)
+{
+        bootmem_init(mi);
+}
+
+/*
+ * We don't need to do anything here for nommu machines.
+ */
+void setup_mm_for_reboot(char mode)
+{
+}
+
 void flush_dcache_page(struct page *page)
 {
         __cpuc_flush_dcache_page(page_address(page));
diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c
new file mode 100644
index 00000000000..20c1b0df75f
--- /dev/null
+++ b/arch/arm/mm/pgd.c
@@ -0,0 +1,101 @@
+/*
+ *  linux/arch/arm/mm/pgd.c
+ *
+ *  Copyright (C) 1998-2005 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/mm.h>
+#include <linux/highmem.h>
+
+#include <asm/pgalloc.h>
+#include <asm/page.h>
+#include <asm/tlbflush.h>
+
+#include "mm.h"
+
+#define FIRST_KERNEL_PGD_NR     (FIRST_USER_PGD_NR + USER_PTRS_PER_PGD)
+
+/*
+ * need to get a 16k page for level 1
+ */
+pgd_t *get_pgd_slow(struct mm_struct *mm)
+{
+        pgd_t *new_pgd, *init_pgd;
+        pmd_t *new_pmd, *init_pmd;
+        pte_t *new_pte, *init_pte;
+
+        new_pgd = (pgd_t *)__get_free_pages(GFP_KERNEL, 2);
+        if (!new_pgd)
+                goto no_pgd;
+
+        memzero(new_pgd, FIRST_KERNEL_PGD_NR * sizeof(pgd_t));
+
+        /*
+         * Copy over the kernel and IO PGD entries
+         */
+        init_pgd = pgd_offset_k(0);
+        memcpy(new_pgd + FIRST_KERNEL_PGD_NR, init_pgd + FIRST_KERNEL_PGD_NR,
+                       (PTRS_PER_PGD - FIRST_KERNEL_PGD_NR) * sizeof(pgd_t));
+
+        clean_dcache_area(new_pgd, PTRS_PER_PGD * sizeof(pgd_t));
+
+        if (!vectors_high()) {
+                /*
+                 * On ARM, first page must always be allocated since it
+                 * contains the machine vectors.
+                 */
+                new_pmd = pmd_alloc(mm, new_pgd, 0);
+                if (!new_pmd)
+                        goto no_pmd;
+
+                new_pte = pte_alloc_map(mm, new_pmd, 0);
+                if (!new_pte)
+                        goto no_pte;
+
+                init_pmd = pmd_offset(init_pgd, 0);
+                init_pte = pte_offset_map_nested(init_pmd, 0);
+                set_pte(new_pte, *init_pte);
+                pte_unmap_nested(init_pte);
+                pte_unmap(new_pte);
+        }
+
+        return new_pgd;
+
+no_pte:
+        pmd_free(new_pmd);
+no_pmd:
+        free_pages((unsigned long)new_pgd, 2);
+no_pgd:
+        return NULL;
+}
+
+void free_pgd_slow(pgd_t *pgd)
+{
+        pmd_t *pmd;
+        struct page *pte;
+
+        if (!pgd)
+                return;
+
+        /* pgd is always present and good */
+        pmd = pmd_off(pgd, 0);
+        if (pmd_none(*pmd))
+                goto free;
+        if (pmd_bad(*pmd)) {
+                pmd_ERROR(*pmd);
+                pmd_clear(pmd);
+                goto free;
+        }
+
+        pte = pmd_page(*pmd);
+        pmd_clear(pmd);
+        dec_zone_page_state(virt_to_page((unsigned long *)pgd), NR_PAGETABLE);
+        pte_lock_deinit(pte);
+        pte_free(pte);
+        pmd_free(pmd);
+free:
+        free_pages((unsigned long) pgd, 2);
+}
diff --git a/arch/arm/mm/proc-arm740.S b/arch/arm/mm/proc-arm740.S
new file mode 100644
index 00000000000..40713818a87
--- /dev/null
+++ b/arch/arm/mm/proc-arm740.S
@@ -0,0 +1,174 @@
+/*
+ *  linux/arch/arm/mm/arm740.S: utility functions for ARM740
+ *
+ *  Copyright (C) 2004-2006 Hyok S. Choi (hyok.choi@samsung.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/linkage.h>
+#include <linux/init.h>
+#include <asm/assembler.h>
+#include <asm/asm-offsets.h>
+#include <asm/pgtable-hwdef.h>
+#include <asm/pgtable.h>
+#include <asm/procinfo.h>
+#include <asm/ptrace.h>
+
+        .text
+/*
+ * cpu_arm740_proc_init()
+ * cpu_arm740_do_idle()
+ * cpu_arm740_dcache_clean_area()
+ * cpu_arm740_switch_mm()
+ *
+ * These are not required.
+ */
+ENTRY(cpu_arm740_proc_init)
+ENTRY(cpu_arm740_do_idle)
+ENTRY(cpu_arm740_dcache_clean_area)
+ENTRY(cpu_arm740_switch_mm)
+        mov     pc, lr
+
+/*
+ * cpu_arm740_proc_fin()
+ */
+ENTRY(cpu_arm740_proc_fin)
+        stmfd   sp!, {lr}
+        mov     ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
+        msr     cpsr_c, ip
+        mrc     p15, 0, r0, c1, c0, 0
+        bic     r0, r0, #0x3f000000             @ bank/f/lock/s
+        bic     r0, r0, #0x0000000c             @ w-buffer/cache
+        mcr     p15, 0, r0, c1, c0, 0           @ disable caches
+        mcr     p15, 0, r0, c7, c0, 0           @ invalidate cache
+        ldmfd   sp!, {pc}
+
+/*
+ * cpu_arm740_reset(loc)
+ * Params  : r0 = address to jump to
+ * Notes   : This sets up everything for a reset
+ */
+ENTRY(cpu_arm740_reset)
+        mov     ip, #0
+        mcr     p15, 0, ip, c7, c0, 0           @ invalidate cache
+        mrc     p15, 0, ip, c1, c0, 0           @ get ctrl register
+        bic     ip, ip, #0x0000000c             @ ............wc..
+        mcr     p15, 0, ip, c1, c0, 0           @ ctrl register
+        mov     pc, r0
+
+        __INIT
+
+        .type   __arm740_setup, #function
+__arm740_setup:
+        mov     r0, #0
+        mcr     p15, 0, r0, c7, c0, 0           @ invalidate caches
+
+        mcr     p15, 0, r0, c6, c3              @ disable area 3~7
+        mcr     p15, 0, r0, c6, c4
+        mcr     p15, 0, r0, c6, c5
+        mcr     p15, 0, r0, c6, c6
+        mcr     p15, 0, r0, c6, c7
+
+        mov     r0, #0x0000003F                 @ base = 0, size = 4GB
+        mcr     p15, 0, r0, c6, c0              @ set area 0, default
+
+        ldr     r0, =(CONFIG_DRAM_BASE & 0xFFFFF000) @ base[31:12] of RAM
+        ldr     r1, =(CONFIG_DRAM_SIZE >> 12)   @ size of RAM (must be >= 4KB)
+        mov     r2, #10                         @ 11 is the minimum (4KB)
+1:      add     r2, r2, #1                      @ area size *= 2
+        mov     r1, r1, lsr #1
+        bne     1b                              @ count not zero r-shift
+        orr     r0, r0, r2, lsl #1              @ the area register value
+        orr     r0, r0, #1                      @ set enable bit
+        mcr     p15, 0, r0, c6, c1              @ set area 1, RAM
+
+        ldr     r0, =(CONFIG_FLASH_MEM_BASE & 0xFFFFF000) @ base[31:12] of FLASH
+        ldr     r1, =(CONFIG_FLASH_SIZE >> 12)  @ size of FLASH (must be >= 4KB)
+        mov     r2, #10                         @ 11 is the minimum (4KB)
+1:      add     r2, r2, #1                      @ area size *= 2
+        mov     r1, r1, lsr #1
+        bne     1b                              @ count not zero r-shift
+        orr     r0, r0, r2, lsl #1              @ the area register value
+        orr     r0, r0, #1                      @ set enable bit
+        mcr     p15, 0, r0, c6, c2              @ set area 2, ROM/FLASH
+
+        mov     r0, #0x06
+        mcr     p15, 0, r0, c2, c0              @ Region 1&2 cacheable
+#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
+        mov     r0, #0x00                       @ disable whole write buffer
+#else
+        mov     r0, #0x02                       @ Region 1 write bufferred
+#endif
+        mcr     p15, 0, r0, c3, c0
+
+        mov     r0, #0x10000
+        sub     r0, r0, #1                      @ r0 = 0xffff
+        mcr     p15, 0, r0, c5, c0              @ all read/write access
+
+        mrc     p15, 0, r0, c1, c0              @ get control register
+        bic     r0, r0, #0x3F000000             @ set to standard caching mode
+                                                @ need some benchmark
+        orr     r0, r0, #0x0000000d             @ MPU/Cache/WB
+
+        mov     pc, lr
+
+        .size   __arm740_setup, . - __arm740_setup
+
+        __INITDATA
+
+/*
+ * Purpose : Function pointers used to access above functions - all calls
+ *           come through these
+ */
+        .type   arm740_processor_functions, #object
+ENTRY(arm740_processor_functions)
+        .word   v4t_late_abort
+        .word   cpu_arm740_proc_init
+        .word   cpu_arm740_proc_fin
+        .word   cpu_arm740_reset
+        .word   cpu_arm740_do_idle
+        .word   cpu_arm740_dcache_clean_area
+        .word   cpu_arm740_switch_mm
+        .word   0                       @ cpu_*_set_pte
+        .size   arm740_processor_functions, . - arm740_processor_functions
+
+        .section ".rodata"
+
+        .type   cpu_arch_name, #object
+cpu_arch_name:
+        .asciz  "armv4"
+        .size   cpu_arch_name, . - cpu_arch_name
+
+        .type   cpu_elf_name, #object
+cpu_elf_name:
+        .asciz  "v4"
+        .size   cpu_elf_name, . - cpu_elf_name
+
+        .type   cpu_arm740_name, #object
+cpu_arm740_name:
+        .ascii  "ARM740T"
+        .size   cpu_arm740_name, . - cpu_arm740_name
+
+        .align
+
+        .section ".proc.info.init", #alloc, #execinstr
+        .type   __arm740_proc_info,#object
+__arm740_proc_info:
+        .long   0x41807400
+        .long   0xfffffff0
+        .long   0
+        b       __arm740_setup
+        .long   cpu_arch_name
+        .long   cpu_elf_name
+        .long   HWCAP_SWP | HWCAP_HALF | HWCAP_26BIT
+        .long   cpu_arm740_name
+        .long   arm740_processor_functions
+        .long   0
+        .long   0
+        .long   v3_cache_fns                    @ cache model
+        .size   __arm740_proc_info, . - __arm740_proc_info
+
+
diff --git a/arch/arm/mm/proc-arm7tdmi.S b/arch/arm/mm/proc-arm7tdmi.S
new file mode 100644
index 00000000000..22d7e3100ea
--- /dev/null
+++ b/arch/arm/mm/proc-arm7tdmi.S
@@ -0,0 +1,249 @@
+/*
+ *  linux/arch/arm/mm/proc-arm7tdmi.S: utility functions for ARM7TDMI
+ *
+ *  Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/linkage.h>
+#include <linux/init.h>
+#include <asm/assembler.h>
+#include <asm/asm-offsets.h>
+#include <asm/pgtable-hwdef.h>
+#include <asm/pgtable.h>
+#include <asm/procinfo.h>
+#include <asm/ptrace.h>
+
+        .text
+/*
+ * cpu_arm7tdmi_proc_init()
+ * cpu_arm7tdmi_do_idle()
+ * cpu_arm7tdmi_dcache_clean_area()
+ * cpu_arm7tdmi_switch_mm()
+ *
+ * These are not required.
+ */
+ENTRY(cpu_arm7tdmi_proc_init)
+ENTRY(cpu_arm7tdmi_do_idle)
+ENTRY(cpu_arm7tdmi_dcache_clean_area)
+ENTRY(cpu_arm7tdmi_switch_mm)
+                mov     pc, lr
+
+/*
+ * cpu_arm7tdmi_proc_fin()
+ */
+ENTRY(cpu_arm7tdmi_proc_fin)
+                mov     r0, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
+                msr     cpsr_c, r0
+                mov     pc, lr
+
+/*
+ * Function: cpu_arm7tdmi_reset(loc)
+ * Params  : loc(r0)    address to jump to
+ * Purpose : Sets up everything for a reset and jump to the location for soft reset.
+ */
+ENTRY(cpu_arm7tdmi_reset)
+                mov     pc, r0
+
+                __INIT
+
+                .type   __arm7tdmi_setup, #function
+__arm7tdmi_setup:
+                mov     pc, lr
+                .size   __arm7tdmi_setup, . - __arm7tdmi_setup
+
+                __INITDATA
+
+/*
+ * Purpose : Function pointers used to access above functions - all calls
+ *           come through these
+ */
+                .type   arm7tdmi_processor_functions, #object
+ENTRY(arm7tdmi_processor_functions)
+                .word   v4t_late_abort
+                .word   cpu_arm7tdmi_proc_init
+                .word   cpu_arm7tdmi_proc_fin
+                .word   cpu_arm7tdmi_reset
+                .word   cpu_arm7tdmi_do_idle
+                .word   cpu_arm7tdmi_dcache_clean_area
+                .word   cpu_arm7tdmi_switch_mm
+                .word   0               @ cpu_*_set_pte
+                .size   arm7tdmi_processor_functions, . - arm7tdmi_processor_functions
+
+                .section ".rodata"
+
+                .type   cpu_arch_name, #object
+cpu_arch_name:
+                .asciz  "armv4t"
+                .size   cpu_arch_name, . - cpu_arch_name
+
+                .type   cpu_elf_name, #object
+cpu_elf_name:
+                .asciz  "v4"
+                .size   cpu_elf_name, . - cpu_elf_name
+
+                .type   cpu_arm7tdmi_name, #object
+cpu_arm7tdmi_name:
+                .asciz  "ARM7TDMI"
+                .size   cpu_arm7tdmi_name, . - cpu_arm7tdmi_name
+
+                .type   cpu_triscenda7_name, #object
+cpu_triscenda7_name:
+                .asciz  "Triscend-A7x"
+                .size   cpu_triscenda7_name, . - cpu_triscenda7_name
+
+                .type   cpu_at91_name, #object
+cpu_at91_name:
+                .asciz  "Atmel-AT91M40xxx"
+                .size   cpu_at91_name, . - cpu_at91_name
+
+                .type   cpu_s3c3410_name, #object
+cpu_s3c3410_name:
+                .asciz  "Samsung-S3C3410"
+                .size   cpu_s3c3410_name, . - cpu_s3c3410_name
+
+                .type   cpu_s3c44b0x_name, #object
+cpu_s3c44b0x_name:
+                .asciz  "Samsung-S3C44B0x"
+                .size   cpu_s3c44b0x_name, . - cpu_s3c44b0x_name
+
+                .type   cpu_s3c4510b, #object
+cpu_s3c4510b_name:
+                .asciz  "Samsung-S3C4510B"
+                .size   cpu_s3c4510b_name, . - cpu_s3c4510b_name
+
+                .type   cpu_s3c4530_name, #object
+cpu_s3c4530_name:
+                .asciz  "Samsung-S3C4530"
+                .size   cpu_s3c4530_name, . - cpu_s3c4530_name
+
+                .type   cpu_netarm_name, #object
+cpu_netarm_name:
+                .asciz  "NETARM"
+                .size   cpu_netarm_name, . - cpu_netarm_name
+
+                .align
+
+                .section ".proc.info.init", #alloc, #execinstr
+
+                .type   __arm7tdmi_proc_info, #object
+__arm7tdmi_proc_info:
+                .long   0x41007700
+                .long   0xfff8ff00
+                .long   0
+                .long   0
+                b       __arm7tdmi_setup
+                .long   cpu_arch_name
+                .long   cpu_elf_name
+                .long   HWCAP_SWP | HWCAP_26BIT
+                .long   cpu_arm7tdmi_name
+                .long   arm7tdmi_processor_functions
+                .long   0
+                .long   0
+                .long   v4_cache_fns
+                .size   __arm7tdmi_proc_info, . - __arm7dmi_proc_info
+
+                .type   __triscenda7_proc_info, #object
+__triscenda7_proc_info:
+                .long   0x0001d2ff
+                .long   0x0001ffff
+                .long   0
+                .long   0
+                b       __arm7tdmi_setup
+                .long   cpu_arch_name
+                .long   cpu_elf_name
+                .long   HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
+                .long   cpu_triscenda7_name
+                .long   arm7tdmi_processor_functions
+                .long   0
+                .long   0
+                .long   v4_cache_fns
+                .size   __triscenda7_proc_info, . - __triscenda7_proc_info
+
+                .type   __at91_proc_info, #object
+__at91_proc_info:
+                .long   0x14000040
+                .long   0xfff000e0
+                .long   0
+                .long   0
+                b       __arm7tdmi_setup
+                .long   cpu_arch_name
+                .long   cpu_elf_name
+                .long   HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
+                .long   cpu_at91_name
+                .long   arm7tdmi_processor_functions
+                .long   0
+                .long   0
+                .long   v4_cache_fns
+                .size   __at91_proc_info, . - __at91_proc_info
+
+                .type   __s3c4510b_proc_info, #object
+__s3c4510b_proc_info:
+                .long   0x36365000
+                .long   0xfffff000
+                .long   0
+                .long   0
+                b       __arm7tdmi_setup
+                .long   cpu_arch_name
+                .long   cpu_elf_name
+                .long   HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
+                .long   cpu_s3c4510b_name
+                .long   arm7tdmi_processor_functions
+                .long   0
+                .long   0
+                .long   v4_cache_fns
+                .size   __s3c4510b_proc_info, . - __s3c4510b_proc_info
+
+                .type   __s3c4530_proc_info, #object
+__s3c4530_proc_info:
+                .long   0x4c000000
+                .long   0xfff000e0
+                .long   0
+                .long   0
+                b       __arm7tdmi_setup
+                .long   cpu_arch_name
+                .long   cpu_elf_name
+                .long   HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
+                .long   cpu_s3c4530_name
+                .long   arm7tdmi_processor_functions
+                .long   0
+                .long   0
+                .long   v4_cache_fns
+                .size   __s3c4530_proc_info, . - __s3c4530_proc_info
+
+                .type   __s3c3410_proc_info, #object
+__s3c3410_proc_info:
+                .long   0x34100000
+                .long   0xffff0000
+                .long   0
+                .long   0
+                b       __arm7tdmi_setup
+                .long   cpu_arch_name
+                .long   cpu_elf_name
+                .long   HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
+                .long   cpu_s3c3410_name
+                .long   arm7tdmi_processor_functions
+                .long   0
+                .long   0
+                .long   v4_cache_fns
+                .size   __s3c3410_proc_info, . - __s3c3410_proc_info
+
+                .type   __s3c44b0x_proc_info, #object
+__s3c44b0x_proc_info:
+                .long   0x44b00000
+                .long   0xffff0000
+                .long   0
+                .long   0
+                b       __arm7tdmi_setup
+                .long   cpu_arch_name
+                .long   cpu_elf_name
+                .long   HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
+                .long   cpu_s3c44b0x_name
+                .long   arm7tdmi_processor_functions
+                .long   0
+                .long   0
+                .long   v4_cache_fns
+                .size   __s3c44b0x_proc_info, . - __s3c44b0x_proc_info
diff --git a/arch/arm/mm/proc-arm940.S b/arch/arm/mm/proc-arm940.S
new file mode 100644
index 00000000000..2397f4b6e15
--- /dev/null
+++ b/arch/arm/mm/proc-arm940.S
@@ -0,0 +1,369 @@
+/*
+ *  linux/arch/arm/mm/arm940.S: utility functions for ARM940T
+ *
+ *  Copyright (C) 2004-2006 Hyok S. Choi (hyok.choi@samsung.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/linkage.h>
+#include <linux/init.h>
+#include <asm/assembler.h>
+#include <asm/pgtable-hwdef.h>
+#include <asm/pgtable.h>
+#include <asm/procinfo.h>
+#include <asm/ptrace.h>
+
+/* ARM940T has a 4KB DCache comprising 256 lines of 4 words */
+#define CACHE_DLINESIZE 16
+#define CACHE_DSEGMENTS 4
+#define CACHE_DENTRIES  64
+
+        .text
+/*
+ * cpu_arm940_proc_init()
+ * cpu_arm940_switch_mm()
+ *
+ * These are not required.
+ */
+ENTRY(cpu_arm940_proc_init)
+ENTRY(cpu_arm940_switch_mm)
+        mov     pc, lr
+
+/*
+ * cpu_arm940_proc_fin()
+ */
+ENTRY(cpu_arm940_proc_fin)
+        stmfd   sp!, {lr}
+        mov     ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
+        msr     cpsr_c, ip
+        bl      arm940_flush_kern_cache_all
+        mrc     p15, 0, r0, c1, c0, 0           @ ctrl register
+        bic     r0, r0, #0x00001000             @ i-cache
+        bic     r0, r0, #0x00000004             @ d-cache
+        mcr     p15, 0, r0, c1, c0, 0           @ disable caches
+        ldmfd   sp!, {pc}
+
+/*
+ * cpu_arm940_reset(loc)
+ * Params  : r0 = address to jump to
+ * Notes   : This sets up everything for a reset
+ */
+ENTRY(cpu_arm940_reset)
+        mov     ip, #0
+        mcr     p15, 0, ip, c7, c5, 0           @ flush I cache
+        mcr     p15, 0, ip, c7, c6, 0           @ flush D cache
+        mcr     p15, 0, ip, c7, c10, 4          @ drain WB
+        mrc     p15, 0, ip, c1, c0, 0           @ ctrl register
+        bic     ip, ip, #0x00000005             @ .............c.p
+        bic     ip, ip, #0x00001000             @ i-cache
+        mcr     p15, 0, ip, c1, c0, 0           @ ctrl register
+        mov     pc, r0
+
+/*
+ * cpu_arm940_do_idle()
+ */
+        .align  5
+ENTRY(cpu_arm940_do_idle)
+        mcr     p15, 0, r0, c7, c0, 4           @ Wait for interrupt
+        mov     pc, lr
+
+/*
+ *      flush_user_cache_all()
+ */
+ENTRY(arm940_flush_user_cache_all)
+        /* FALLTHROUGH */
+
+/*
+ *      flush_kern_cache_all()
+ *
+ *      Clean and invalidate the entire cache.
+ */
+ENTRY(arm940_flush_kern_cache_all)
+        mov     r2, #VM_EXEC
+        /* FALLTHROUGH */
+
+/*
+ *      flush_user_cache_range(start, end, flags)
+ *
+ *      There is no efficient way to flush a range of cache entries
+ *      in the specified address range. Thus, flushes all.
+ *
+ *      - start - start address (inclusive)
+ *      - end   - end address (exclusive)
+ *      - flags - vm_flags describing address space
+ */
+ENTRY(arm940_flush_user_cache_range)
+        mov     ip, #0
+#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
+        mcr     p15, 0, ip, c7, c6, 0           @ flush D cache
+#else
+        mov     r1, #(CACHE_DSEGMENTS - 1) << 4 @ 4 segments
+1:      orr     r3, r1, #(CACHE_DENTRIES - 1) << 26 @ 64 entries
+2:      mcr     p15, 0, r3, c7, c14, 2          @ clean/flush D index
+        subs    r3, r3, #1 << 26
+        bcs     2b                              @ entries 63 to 0
+        subs    r1, r1, #1 << 4
+        bcs     1b                              @ segments 3 to 0
+#endif
+        tst     r2, #VM_EXEC
+        mcrne   p15, 0, ip, c7, c5, 0           @ invalidate I cache
+        mcrne   p15, 0, ip, c7, c10, 4          @ drain WB
+        mov     pc, lr
+
+/*
+ *      coherent_kern_range(start, end)
+ *
+ *      Ensure coherency between the Icache and the Dcache in the
+ *      region described by start, end.  If you have non-snooping
+ *      Harvard caches, you need to implement this function.
+ *
+ *      - start - virtual start address
+ *      - end   - virtual end address
+ */
+ENTRY(arm940_coherent_kern_range)
+        /* FALLTHROUGH */
+
+/*
+ *      coherent_user_range(start, end)
+ *
+ *      Ensure coherency between the Icache and the Dcache in the
+ *      region described by start, end.  If you have non-snooping
+ *      Harvard caches, you need to implement this function.
+ *
+ *      - start - virtual start address
+ *      - end   - virtual end address
+ */
+ENTRY(arm940_coherent_user_range)
+        /* FALLTHROUGH */
+
+/*
+ *      flush_kern_dcache_page(void *page)
+ *
+ *      Ensure no D cache aliasing occurs, either with itself or
+ *      the I cache
+ *
+ *      - addr  - page aligned address
+ */
+ENTRY(arm940_flush_kern_dcache_page)
+        mov     ip, #0
+        mov     r1, #(CACHE_DSEGMENTS - 1) << 4 @ 4 segments
+1:      orr     r3, r1, #(CACHE_DENTRIES - 1) << 26 @ 64 entries
+2:      mcr     p15, 0, r3, c7, c14, 2          @ clean/flush D index
+        subs    r3, r3, #1 << 26
+        bcs     2b                              @ entries 63 to 0
+        subs    r1, r1, #1 << 4
+        bcs     1b                              @ segments 7 to 0
+        mcr     p15, 0, ip, c7, c5, 0           @ invalidate I cache
+        mcr     p15, 0, ip, c7, c10, 4          @ drain WB
+        mov     pc, lr
+
+/*
+ *      dma_inv_range(start, end)
+ *
+ *      There is no efficient way to invalidate a specifid virtual
+ *      address range. Thus, invalidates all.
+ *
+ *      - start - virtual start address
+ *      - end   - virtual end address
+ */
+ENTRY(arm940_dma_inv_range)
+        mov     ip, #0
+        mov     r1, #(CACHE_DSEGMENTS - 1) << 4 @ 4 segments
+1:      orr     r3, r1, #(CACHE_DENTRIES - 1) << 26 @ 64 entries
+2:      mcr     p15, 0, r3, c7, c6, 2           @ flush D entry
+        subs    r3, r3, #1 << 26
+        bcs     2b                              @ entries 63 to 0
+        subs    r1, r1, #1 << 4
+        bcs     1b                              @ segments 7 to 0
+        mcr     p15, 0, ip, c7, c10, 4          @ drain WB
+        mov     pc, lr
+
+/*
+ *      dma_clean_range(start, end)
+ *
+ *      There is no efficient way to clean a specifid virtual
+ *      address range. Thus, cleans all.
+ *
+ *      - start - virtual start address
+ *      - end   - virtual end address
+ */
+ENTRY(arm940_dma_clean_range)
+ENTRY(cpu_arm940_dcache_clean_area)
+        mov     ip, #0
+#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
+        mov     r1, #(CACHE_DSEGMENTS - 1) << 4 @ 4 segments
+1:      orr     r3, r1, #(CACHE_DENTRIES - 1) << 26 @ 64 entries
+2:      mcr     p15, 0, r3, c7, c10, 2          @ clean D entry
+        subs    r3, r3, #1 << 26
+        bcs     2b                              @ entries 63 to 0
+        subs    r1, r1, #1 << 4
+        bcs     1b                              @ segments 7 to 0
+#endif
+        mcr     p15, 0, ip, c7, c10, 4          @ drain WB
+        mov     pc, lr
+
+/*
+ *      dma_flush_range(start, end)
+ *
+ *      There is no efficient way to clean and invalidate a specifid
+ *      virtual address range.
+ *
+ *      - start - virtual start address
+ *      - end   - virtual end address
+ */
+ENTRY(arm940_dma_flush_range)
+        mov     ip, #0
+        mov     r1, #(CACHE_DSEGMENTS - 1) << 4 @ 4 segments
+1:      orr     r3, r1, #(CACHE_DENTRIES - 1) << 26 @ 64 entries
+2:
+#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
+        mcr     p15, 0, r3, c7, c14, 2          @ clean/flush D entry
+#else
+        mcr     p15, 0, r3, c7, c10, 2          @ clean D entry
+#endif
+        subs    r3, r3, #1 << 26
+        bcs     2b                              @ entries 63 to 0
+        subs    r1, r1, #1 << 4
+        bcs     1b                              @ segments 7 to 0
+        mcr     p15, 0, ip, c7, c10, 4          @ drain WB
+        mov     pc, lr
+
+ENTRY(arm940_cache_fns)
+        .long   arm940_flush_kern_cache_all
+        .long   arm940_flush_user_cache_all
+        .long   arm940_flush_user_cache_range
+        .long   arm940_coherent_kern_range
+        .long   arm940_coherent_user_range
+        .long   arm940_flush_kern_dcache_page
+        .long   arm940_dma_inv_range
+        .long   arm940_dma_clean_range
+        .long   arm940_dma_flush_range
+
+        __INIT
+
+        .type   __arm940_setup, #function
+__arm940_setup:
+        mov     r0, #0
+        mcr     p15, 0, r0, c7, c5, 0           @ invalidate I cache
+        mcr     p15, 0, r0, c7, c6, 0           @ invalidate D cache
+        mcr     p15, 0, r0, c7, c10, 4          @ drain WB
+
+        mcr     p15, 0, r0, c6, c3, 0           @ disable data area 3~7
+        mcr     p15, 0, r0, c6, c4, 0
+        mcr     p15, 0, r0, c6, c5, 0
+        mcr     p15, 0, r0, c6, c6, 0
+        mcr     p15, 0, r0, c6, c7, 0
+
+        mcr     p15, 0, r0, c6, c3, 1           @ disable instruction area 3~7
+        mcr     p15, 0, r0, c6, c4, 1
+        mcr     p15, 0, r0, c6, c5, 1
+        mcr     p15, 0, r0, c6, c6, 1
+        mcr     p15, 0, r0, c6, c7, 1
+
+        mov     r0, #0x0000003F                 @ base = 0, size = 4GB
+        mcr     p15, 0, r0, c6, c0, 0           @ set area 0, default
+        mcr     p15, 0, r0, c6, c0, 1
+
+        ldr     r0, =(CONFIG_DRAM_BASE & 0xFFFFF000) @ base[31:12] of RAM
+        ldr     r1, =(CONFIG_DRAM_SIZE >> 12)   @ size of RAM (must be >= 4KB)
+        mov     r2, #10                         @ 11 is the minimum (4KB)
+1:      add     r2, r2, #1                      @ area size *= 2
+        mov     r1, r1, lsr #1
+        bne     1b                              @ count not zero r-shift
+        orr     r0, r0, r2, lsl #1              @ the area register value
+        orr     r0, r0, #1                      @ set enable bit
+        mcr     p15, 0, r0, c6, c1, 0           @ set area 1, RAM
+        mcr     p15, 0, r0, c6, c1, 1
+
+        ldr     r0, =(CONFIG_FLASH_MEM_BASE & 0xFFFFF000) @ base[31:12] of FLASH
+        ldr     r1, =(CONFIG_FLASH_SIZE >> 12)  @ size of FLASH (must be >= 4KB)
+        mov     r2, #10                         @ 11 is the minimum (4KB)
+1:      add     r2, r2, #1                      @ area size *= 2
+        mov     r1, r1, lsr #1
+        bne     1b                              @ count not zero r-shift
+        orr     r0, r0, r2, lsl #1              @ the area register value
+        orr     r0, r0, #1                      @ set enable bit
+        mcr     p15, 0, r0, c6, c2, 0           @ set area 2, ROM/FLASH
+        mcr     p15, 0, r0, c6, c2, 1
+
+        mov     r0, #0x06
+        mcr     p15, 0, r0, c2, c0, 0           @ Region 1&2 cacheable
+        mcr     p15, 0, r0, c2, c0, 1
+#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
+        mov     r0, #0x00                       @ disable whole write buffer
+#else
+        mov     r0, #0x02                       @ Region 1 write bufferred
+#endif
+        mcr     p15, 0, r0, c3, c0, 0
+
+        mov     r0, #0x10000
+        sub     r0, r0, #1                      @ r0 = 0xffff
+        mcr     p15, 0, r0, c5, c0, 0           @ all read/write access
+        mcr     p15, 0, r0, c5, c0, 1
+
+        mrc     p15, 0, r0, c1, c0              @ get control register
+        orr     r0, r0, #0x00001000             @ I-cache
+        orr     r0, r0, #0x00000005             @ MPU/D-cache
+
+        mov     pc, lr
+
+        .size   __arm940_setup, . - __arm940_setup
+
+        __INITDATA
+
+/*
+ * Purpose : Function pointers used to access above functions - all calls
+ *           come through these
+ */
+        .type   arm940_processor_functions, #object
+ENTRY(arm940_processor_functions)
+        .word   nommu_early_abort
+        .word   cpu_arm940_proc_init
+        .word   cpu_arm940_proc_fin
+        .word   cpu_arm940_reset
+        .word   cpu_arm940_do_idle
+        .word   cpu_arm940_dcache_clean_area
+        .word   cpu_arm940_switch_mm
+        .word   0               @ cpu_*_set_pte
+        .size   arm940_processor_functions, . - arm940_processor_functions
+
+        .section ".rodata"
+
+.type   cpu_arch_name, #object
+cpu_arch_name:
+        .asciz  "armv4t"
+        .size   cpu_arch_name, . - cpu_arch_name
+
+        .type   cpu_elf_name, #object
+cpu_elf_name:
+        .asciz  "v4"
+        .size   cpu_elf_name, . - cpu_elf_name
+
+        .type   cpu_arm940_name, #object
+cpu_arm940_name:
+        .ascii  "ARM940T"
+        .size   cpu_arm940_name, . - cpu_arm940_name
+
+        .align
+
+        .section ".proc.info.init", #alloc, #execinstr
+
+        .type   __arm940_proc_info,#object
+__arm940_proc_info:
+        .long   0x41009400
+        .long   0xff00fff0
+        .long   0
+        b       __arm940_setup
+        .long   cpu_arch_name
+        .long   cpu_elf_name
+        .long   HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB
+        .long   cpu_arm940_name
+        .long   arm940_processor_functions
+        .long   0
+        .long   0
+        .long   arm940_cache_fns
+        .size   __arm940_proc_info, . - __arm940_proc_info
+
diff --git a/arch/arm/mm/proc-arm946.S b/arch/arm/mm/proc-arm946.S
new file mode 100644
index 00000000000..e1861756442
--- /dev/null
+++ b/arch/arm/mm/proc-arm946.S
@@ -0,0 +1,424 @@
+/*
+ *  linux/arch/arm/mm/arm946.S: utility functions for ARM946E-S
+ *
+ *  Copyright (C) 2004-2006 Hyok S. Choi (hyok.choi@samsung.com)
+ *
+ *  (Many of cache codes are from proc-arm926.S)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/linkage.h>
+#include <linux/init.h>
+#include <asm/assembler.h>
+#include <asm/pgtable-hwdef.h>
+#include <asm/pgtable.h>
+#include <asm/procinfo.h>
+#include <asm/ptrace.h>
+
+/*
+ * ARM946E-S is synthesizable to have 0KB to 1MB sized D-Cache,
+ * comprising 256 lines of 32 bytes (8 words).
+ */
+#define CACHE_DSIZE     (CONFIG_CPU_DCACHE_SIZE) /* typically 8KB. */
+#define CACHE_DLINESIZE 32                      /* fixed */
+#define CACHE_DSEGMENTS 4                       /* fixed */
+#define CACHE_DENTRIES  (CACHE_DSIZE / CACHE_DSEGMENTS / CACHE_DLINESIZE)
+#define CACHE_DLIMIT    (CACHE_DSIZE * 4)       /* benchmark needed */
+
+        .text
+/*
+ * cpu_arm946_proc_init()
+ * cpu_arm946_switch_mm()
+ *
+ * These are not required.
+ */
+ENTRY(cpu_arm946_proc_init)
+ENTRY(cpu_arm946_switch_mm)
+        mov     pc, lr
+
+/*
+ * cpu_arm946_proc_fin()
+ */
+ENTRY(cpu_arm946_proc_fin)
+        stmfd   sp!, {lr}
+        mov     ip, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
+        msr     cpsr_c, ip
+        bl      arm946_flush_kern_cache_all
+        mrc     p15, 0, r0, c1, c0, 0           @ ctrl register
+        bic     r0, r0, #0x00001000             @ i-cache
+        bic     r0, r0, #0x00000004             @ d-cache
+        mcr     p15, 0, r0, c1, c0, 0           @ disable caches
+        ldmfd   sp!, {pc}
+
+/*
+ * cpu_arm946_reset(loc)
+ * Params  : r0 = address to jump to
+ * Notes   : This sets up everything for a reset
+ */
+ENTRY(cpu_arm946_reset)
+        mov     ip, #0
+        mcr     p15, 0, ip, c7, c5, 0           @ flush I cache
+        mcr     p15, 0, ip, c7, c6, 0           @ flush D cache
+        mcr     p15, 0, ip, c7, c10, 4          @ drain WB
+        mrc     p15, 0, ip, c1, c0, 0           @ ctrl register
+        bic     ip, ip, #0x00000005             @ .............c.p
+        bic     ip, ip, #0x00001000             @ i-cache
+        mcr     p15, 0, ip, c1, c0, 0           @ ctrl register
+        mov     pc, r0
+
+/*
+ * cpu_arm946_do_idle()
+ */
+        .align  5
+ENTRY(cpu_arm946_do_idle)
+        mcr     p15, 0, r0, c7, c0, 4           @ Wait for interrupt
+        mov     pc, lr
+
+/*
+ *      flush_user_cache_all()
+ */
+ENTRY(arm946_flush_user_cache_all)
+        /* FALLTHROUGH */
+
+/*
+ *      flush_kern_cache_all()
+ *
+ *      Clean and invalidate the entire cache.
+ */
+ENTRY(arm946_flush_kern_cache_all)
+        mov     r2, #VM_EXEC
+        mov     ip, #0
+__flush_whole_cache:
+#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
+        mcr     p15, 0, ip, c7, c6, 0           @ flush D cache
+#else
+        mov     r1, #(CACHE_DSEGMENTS - 1) << 29 @ 4 segments
+1:      orr     r3, r1, #(CACHE_DENTRIES - 1) << 4 @ n entries
+2:      mcr     p15, 0, r3, c7, c14, 2          @ clean/flush D index
+        subs    r3, r3, #1 << 4
+        bcs     2b                              @ entries n to 0
+        subs    r1, r1, #1 << 29
+        bcs     1b                              @ segments 3 to 0
+#endif
+        tst     r2, #VM_EXEC
+        mcrne   p15, 0, ip, c7, c5, 0           @ flush I cache
+        mcrne   p15, 0, ip, c7, c10, 4          @ drain WB
+        mov     pc, lr
+
+/*
+ *      flush_user_cache_range(start, end, flags)
+ *
+ *      Clean and invalidate a range of cache entries in the
+ *      specified address range.
+ *
+ *      - start - start address (inclusive)
+ *      - end   - end address (exclusive)
+ *      - flags - vm_flags describing address space
+ * (same as arm926)
+ */
+ENTRY(arm946_flush_user_cache_range)
+        mov     ip, #0
+        sub     r3, r1, r0                      @ calculate total size
+        cmp     r3, #CACHE_DLIMIT
+        bhs     __flush_whole_cache
+
+1:      tst     r2, #VM_EXEC
+#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
+        mcr     p15, 0, r0, c7, c6, 1           @ invalidate D entry
+        mcrne   p15, 0, r0, c7, c5, 1           @ invalidate I entry
+        add     r0, r0, #CACHE_DLINESIZE
+        mcr     p15, 0, r0, c7, c6, 1           @ invalidate D entry
+        mcrne   p15, 0, r0, c7, c5, 1           @ invalidate I entry
+        add     r0, r0, #CACHE_DLINESIZE
+#else
+        mcr     p15, 0, r0, c7, c14, 1          @ clean and invalidate D entry
+        mcrne   p15, 0, r0, c7, c5, 1           @ invalidate I entry
+        add     r0, r0, #CACHE_DLINESIZE
+        mcr     p15, 0, r0, c7, c14, 1          @ clean and invalidate D entry
+        mcrne   p15, 0, r0, c7, c5, 1           @ invalidate I entry
+        add     r0, r0, #CACHE_DLINESIZE
+#endif
+        cmp     r0, r1
+        blo     1b
+        tst     r2, #VM_EXEC
+        mcrne   p15, 0, ip, c7, c10, 4          @ drain WB
+        mov     pc, lr
+
+/*
+ *      coherent_kern_range(start, end)
+ *
+ *      Ensure coherency between the Icache and the Dcache in the
+ *      region described by start, end.  If you have non-snooping
+ *      Harvard caches, you need to implement this function.
+ *
+ *      - start - virtual start address
+ *      - end   - virtual end address
+ */
+ENTRY(arm946_coherent_kern_range)
+        /* FALLTHROUGH */
+
+/*
+ *      coherent_user_range(start, end)
+ *
+ *      Ensure coherency between the Icache and the Dcache in the
+ *      region described by start, end.  If you have non-snooping
+ *      Harvard caches, you need to implement this function.
+ *
+ *      - start - virtual start address
+ *      - end   - virtual end address
+ * (same as arm926)
+ */
+ENTRY(arm946_coherent_user_range)
+        bic     r0, r0, #CACHE_DLINESIZE - 1
+1:      mcr     p15, 0, r0, c7, c10, 1          @ clean D entry
+        mcr     p15, 0, r0, c7, c5, 1           @ invalidate I entry
+        add     r0, r0, #CACHE_DLINESIZE
+        cmp     r0, r1
+        blo     1b
+        mcr     p15, 0, r0, c7, c10, 4          @ drain WB
+        mov     pc, lr
+
+/*
+ *      flush_kern_dcache_page(void *page)
+ *
+ *      Ensure no D cache aliasing occurs, either with itself or
+ *      the I cache
+ *
+ *      - addr  - page aligned address
+ * (same as arm926)
+ */
+ENTRY(arm946_flush_kern_dcache_page)
+        add     r1, r0, #PAGE_SZ
+1:      mcr     p15, 0, r0, c7, c14, 1          @ clean+invalidate D entry
+        add     r0, r0, #CACHE_DLINESIZE
+        cmp     r0, r1
+        blo     1b
+        mov     r0, #0
+        mcr     p15, 0, r0, c7, c5, 0           @ invalidate I cache
+        mcr     p15, 0, r0, c7, c10, 4          @ drain WB
+        mov     pc, lr
+
+/*
+ *      dma_inv_range(start, end)
+ *
+ *      Invalidate (discard) the specified virtual address range.
+ *      May not write back any entries.  If 'start' or 'end'
+ *      are not cache line aligned, those lines must be written
+ *      back.
+ *
+ *      - start - virtual start address
+ *      - end   - virtual end address
+ * (same as arm926)
+ */
+ENTRY(arm946_dma_inv_range)
+#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
+        tst     r0, #CACHE_DLINESIZE - 1
+        mcrne   p15, 0, r0, c7, c10, 1          @ clean D entry
+        tst     r1, #CACHE_DLINESIZE - 1
+        mcrne   p15, 0, r1, c7, c10, 1          @ clean D entry
+#endif
+        bic     r0, r0, #CACHE_DLINESIZE - 1
+1:      mcr     p15, 0, r0, c7, c6, 1           @ invalidate D entry
+        add     r0, r0, #CACHE_DLINESIZE
+        cmp     r0, r1
+        blo     1b
+        mcr     p15, 0, r0, c7, c10, 4          @ drain WB
+        mov     pc, lr
+
+/*
+ *      dma_clean_range(start, end)
+ *
+ *      Clean the specified virtual address range.
+ *
+ *      - start - virtual start address
+ *      - end   - virtual end address
+ *
+ * (same as arm926)
+ */
+ENTRY(arm946_dma_clean_range)
+#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
+        bic     r0, r0, #CACHE_DLINESIZE - 1
+1:      mcr     p15, 0, r0, c7, c10, 1          @ clean D entry
+        add     r0, r0, #CACHE_DLINESIZE
+        cmp     r0, r1
+        blo     1b
+#endif
+        mcr     p15, 0, r0, c7, c10, 4          @ drain WB
+        mov     pc, lr
+
+/*
+ *      dma_flush_range(start, end)
+ *
+ *      Clean and invalidate the specified virtual address range.
+ *
+ *      - start - virtual start address
+ *      - end   - virtual end address
+ *
+ * (same as arm926)
+ */
+ENTRY(arm946_dma_flush_range)
+        bic     r0, r0, #CACHE_DLINESIZE - 1
+1:
+#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
+        mcr     p15, 0, r0, c7, c14, 1          @ clean+invalidate D entry
+#else
+        mcr     p15, 0, r0, c7, c10, 1          @ clean D entry
+#endif
+        add     r0, r0, #CACHE_DLINESIZE
+        cmp     r0, r1
+        blo     1b
+        mcr     p15, 0, r0, c7, c10, 4          @ drain WB
+        mov     pc, lr
+
+ENTRY(arm946_cache_fns)
+        .long   arm946_flush_kern_cache_all
+        .long   arm946_flush_user_cache_all
+        .long   arm946_flush_user_cache_range
+        .long   arm946_coherent_kern_range
+        .long   arm946_coherent_user_range
+        .long   arm946_flush_kern_dcache_page
+        .long   arm946_dma_inv_range
+        .long   arm946_dma_clean_range
+        .long   arm946_dma_flush_range
+
+
+ENTRY(cpu_arm946_dcache_clean_area)
+#ifndef CONFIG_CPU_DCACHE_WRITETHROUGH
+1:      mcr     p15, 0, r0, c7, c10, 1          @ clean D entry
+        add     r0, r0, #CACHE_DLINESIZE
+        subs    r1, r1, #CACHE_DLINESIZE
+        bhi     1b
+#endif
+        mcr     p15, 0, r0, c7, c10, 4          @ drain WB
+        mov     pc, lr
+
+        __INIT
+
+        .type   __arm946_setup, #function
+__arm946_setup:
+        mov     r0, #0
+        mcr     p15, 0, r0, c7, c5, 0           @ invalidate I cache
+        mcr     p15, 0, r0, c7, c6, 0           @ invalidate D cache
+        mcr     p15, 0, r0, c7, c10, 4          @ drain WB
+
+        mcr     p15, 0, r0, c6, c3, 0           @ disable memory region 3~7
+        mcr     p15, 0, r0, c6, c4, 0
+        mcr     p15, 0, r0, c6, c5, 0
+        mcr     p15, 0, r0, c6, c6, 0
+        mcr     p15, 0, r0, c6, c7, 0
+
+        mov     r0, #0x0000003F                 @ base = 0, size = 4GB
+        mcr     p15, 0, r0, c6, c0, 0           @ set region 0, default
+
+        ldr     r0, =(CONFIG_DRAM_BASE & 0xFFFFF000) @ base[31:12] of RAM
+        ldr     r1, =(CONFIG_DRAM_SIZE >> 12)   @ size of RAM (must be >= 4KB)
+        mov     r2, #10                         @ 11 is the minimum (4KB)
+1:      add     r2, r2, #1                      @ area size *= 2
+        mov     r1, r1, lsr #1
+        bne     1b                              @ count not zero r-shift
+        orr     r0, r0, r2, lsl #1              @ the region register value
+        orr     r0, r0, #1                      @ set enable bit
+        mcr     p15, 0, r0, c6, c1, 0           @ set region 1, RAM
+
+        ldr     r0, =(CONFIG_FLASH_MEM_BASE & 0xFFFFF000) @ base[31:12] of FLASH
+        ldr     r1, =(CONFIG_FLASH_SIZE >> 12)  @ size of FLASH (must be >= 4KB)
+        mov     r2, #10                         @ 11 is the minimum (4KB)
+1:      add     r2, r2, #1                      @ area size *= 2
+        mov     r1, r1, lsr #1
+        bne     1b                              @ count not zero r-shift
+        orr     r0, r0, r2, lsl #1              @ the region register value
+        orr     r0, r0, #1                      @ set enable bit
+        mcr     p15, 0, r0, c6, c2, 0           @ set region 2, ROM/FLASH
+
+        mov     r0, #0x06
+        mcr     p15, 0, r0, c2, c0, 0           @ region 1,2 d-cacheable
+        mcr     p15, 0, r0, c2, c0, 1           @ region 1,2 i-cacheable
+#ifdef CONFIG_CPU_DCACHE_WRITETHROUGH
+        mov     r0, #0x00                       @ disable whole write buffer
+#else
+        mov     r0, #0x02                       @ region 1 write bufferred
+#endif
+        mcr     p15, 0, r0, c3, c0, 0
+
+/*
+ *  Access Permission Settings for future permission control by PU.
+ *
+ *                              priv.   user
+ *      region 0 (whole)        rw      --      : b0001
+ *      region 1 (RAM)          rw      rw      : b0011
+ *      region 2 (FLASH)        rw      r-      : b0010
+ *      region 3~7 (none)       --      --      : b0000
+ */
+        mov     r0, #0x00000031
+        orr     r0, r0, #0x00000200
+        mcr     p15, 0, r0, c5, c0, 2           @ set data access permission
+        mcr     p15, 0, r0, c5, c0, 3           @ set inst. access permission
+
+        mrc     p15, 0, r0, c1, c0              @ get control register
+        orr     r0, r0, #0x00001000             @ I-cache
+        orr     r0, r0, #0x00000005             @ MPU/D-cache
+#ifdef CONFIG_CPU_CACHE_ROUND_ROBIN
+        orr     r0, r0, #0x00004000             @ .1.. .... .... ....
+#endif
+        mov     pc, lr
+
+        .size   __arm946_setup, . - __arm946_setup
+
+        __INITDATA
+
+/*
+ * Purpose : Function pointers used to access above functions - all calls
+ *           come through these
+ */
+        .type   arm946_processor_functions, #object
+ENTRY(arm946_processor_functions)
+        .word   nommu_early_abort
+        .word   cpu_arm946_proc_init
+        .word   cpu_arm946_proc_fin
+        .word   cpu_arm946_reset
+        .word   cpu_arm946_do_idle
+
+        .word   cpu_arm946_dcache_clean_area
+        .word   cpu_arm946_switch_mm
+        .word   0               @ cpu_*_set_pte
+        .size   arm946_processor_functions, . - arm946_processor_functions
+
+        .section ".rodata"
+
+        .type   cpu_arch_name, #object
+cpu_arch_name:
+        .asciz  "armv5te"
+        .size   cpu_arch_name, . - cpu_arch_name
+
+        .type   cpu_elf_name, #object
+cpu_elf_name:
+        .asciz  "v5t"
+        .size   cpu_elf_name, . - cpu_elf_name
+
+        .type   cpu_arm946_name, #object
+cpu_arm946_name:
+        .ascii  "ARM946E-S"
+        .size   cpu_arm946_name, . - cpu_arm946_name
+
+        .align
+
+        .section ".proc.info.init", #alloc, #execinstr
+        .type   __arm946_proc_info,#object
+__arm946_proc_info:
+        .long   0x41009460
+        .long   0xff00fff0
+        .long   0
+        b       __arm946_setup
+        .long   cpu_arch_name
+        .long   cpu_elf_name
+        .long   HWCAP_SWP | HWCAP_HALF | HWCAP_THUMB
+        .long   cpu_arm946_name
+        .long   arm946_processor_functions
+        .long   0
+        .long   0
+        .long   arm940_cache_fns
+        .size   __arm946_proc_info, . - __arm946_proc_info
+
diff --git a/arch/arm/mm/proc-arm9tdmi.S b/arch/arm/mm/proc-arm9tdmi.S
new file mode 100644
index 00000000000..918ebf65d4f
--- /dev/null
+++ b/arch/arm/mm/proc-arm9tdmi.S
@@ -0,0 +1,134 @@
+/*
+ *  linux/arch/arm/mm/proc-arm9tdmi.S: utility functions for ARM9TDMI
+ *
+ *  Copyright (C) 2003-2006 Hyok S. Choi <hyok.choi@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/linkage.h>
+#include <linux/init.h>
+#include <asm/assembler.h>
+#include <asm/asm-offsets.h>
+#include <asm/pgtable-hwdef.h>
+#include <asm/pgtable.h>
+#include <asm/procinfo.h>
+#include <asm/ptrace.h>
+
+        .text
+/*
+ * cpu_arm9tdmi_proc_init()
+ * cpu_arm9tdmi_do_idle()
+ * cpu_arm9tdmi_dcache_clean_area()
+ * cpu_arm9tdmi_switch_mm()
+ *
+ * These are not required.
+ */
+ENTRY(cpu_arm9tdmi_proc_init)
+ENTRY(cpu_arm9tdmi_do_idle)
+ENTRY(cpu_arm9tdmi_dcache_clean_area)
+ENTRY(cpu_arm9tdmi_switch_mm)
+                mov     pc, lr
+
+/*
+ * cpu_arm9tdmi_proc_fin()
+ */
+ENTRY(cpu_arm9tdmi_proc_fin)
+                mov     r0, #PSR_F_BIT | PSR_I_BIT | SVC_MODE
+                msr     cpsr_c, r0
+                mov     pc, lr
+
+/*
+ * Function: cpu_arm9tdmi_reset(loc)
+ * Params  : loc(r0)    address to jump to
+ * Purpose : Sets up everything for a reset and jump to the location for soft reset.
+ */
+ENTRY(cpu_arm9tdmi_reset)
+                mov     pc, r0
+
+                __INIT
+
+                .type   __arm9tdmi_setup, #function
+__arm9tdmi_setup:
+                mov     pc, lr
+                .size   __arm9tdmi_setup, . - __arm9tdmi_setup
+
+                __INITDATA
+
+/*
+ * Purpose : Function pointers used to access above functions - all calls
+ *           come through these
+ */
+                .type   arm9tdmi_processor_functions, #object
+ENTRY(arm9tdmi_processor_functions)
+                .word   nommu_early_abort
+                .word   cpu_arm9tdmi_proc_init
+                .word   cpu_arm9tdmi_proc_fin
+                .word   cpu_arm9tdmi_reset
+                .word   cpu_arm9tdmi_do_idle
+                .word   cpu_arm9tdmi_dcache_clean_area
+                .word   cpu_arm9tdmi_switch_mm
+                .word   0               @ cpu_*_set_pte
+                .size   arm9tdmi_processor_functions, . - arm9tdmi_processor_functions
+
+                .section ".rodata"
+
+                .type   cpu_arch_name, #object
+cpu_arch_name:
+                .asciz  "armv4t"
+                .size   cpu_arch_name, . - cpu_arch_name
+
+                .type   cpu_elf_name, #object
+cpu_elf_name:
+                .asciz  "v4"
+                .size   cpu_elf_name, . - cpu_elf_name
+
+                .type   cpu_arm9tdmi_name, #object
+cpu_arm9tdmi_name:
+                .asciz  "ARM9TDMI"
+                .size   cpu_arm9tdmi_name, . - cpu_arm9tdmi_name
+
+                .type   cpu_p2001_name, #object
+cpu_p2001_name:
+                .asciz  "P2001"
+                .size   cpu_p2001_name, . - cpu_p2001_name
+
+                .align
+
+                .section ".proc.info.init", #alloc, #execinstr
+
+                .type   __arm9tdmi_proc_info, #object
+__arm9tdmi_proc_info:
+                .long   0x41009900
+                .long   0xfff8ff00
+                .long   0
+                .long   0
+                b       __arm9tdmi_setup
+                .long   cpu_arch_name
+                .long   cpu_elf_name
+                .long   HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
+                .long   cpu_arm9tdmi_name
+                .long   arm9tdmi_processor_functions
+                .long   0
+                .long   0
+                .long   v4_cache_fns
+                .size   __arm9tdmi_proc_info, . - __arm9dmi_proc_info
+
+                .type   __p2001_proc_info, #object
+__p2001_proc_info:
+                .long   0x41029000
+                .long   0xffffffff
+                .long   0
+                .long   0
+                b       __arm9tdmi_setup
+                .long   cpu_arch_name
+                .long   cpu_elf_name
+                .long   HWCAP_SWP | HWCAP_THUMB | HWCAP_26BIT
+                .long   cpu_p2001_name
+                .long   arm9tdmi_processor_functions
+                .long   0
+                .long   0
+                .long   v4_cache_fns
+                .size   __p2001_proc_info, . - __p2001_proc_info