Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm: (25 commits)
  [ARM] 3648/1: Update struct ucontext layout for coprocessor registers
  [ARM] Add identifying number for non-rt sigframe
  [ARM] Gather common sigframe saving code into setup_sigframe()
  [ARM] Gather common sigframe restoration code into restore_sigframe()
  [ARM] Re-use sigframe within rt_sigframe
  [ARM] Merge sigcontext and sigmask members of sigframe
  [ARM] Replace extramask with a full copy of the sigmask
  [ARM] Remove rt_sigframe puc and pinfo pointers
  [ARM] 3647/1: S3C24XX: add Osiris to the list of simtec pm machines
  [ARM] 3645/1: S3C2412: irq support for external interrupts
  [ARM] 3643/1: S3C2410: Add new usb clocks
  [ARM] 3642/1: S3C24XX: Add machine SMDK2413
  [ARM] 3641/1: S3C2412: Fixup gpio register naming
  [ARM] 3640/1: S3C2412: Use S3C24XX_DCLKCON instead of S3C2410_DCLKCON
  [ARM] 3639/1: S3C2412: serial port support
  [ARM] 3638/1: S3C2412: core clocks
  [ARM] 3637/1: S3C24XX: Add mpll clock, and set as fclk parent
  [ARM] 3636/1: S3C2412: Add selection of CPU_ARM926
  [ARM] 3635/1: S3C24XX: Add S3C2412 core cpu support
  [ARM] 3633/1: S3C24XX: s3c2410 gpio bugfix - wrong pin nos
  ...

21 files changed, 1466 insertions, 171 deletions

diff --git a/arch/arm/kernel/iwmmxt.S b/arch/arm/kernel/iwmmxt.S
index af9e0ae952d5..a3bae95e536c 100644
--- a/arch/arm/kernel/iwmmxt.S
+++ b/arch/arm/kernel/iwmmxt.S
@@ -273,7 +273,7 @@ ENTRY(iwmmxt_task_restore)
  *
  * r0 = previous task_struct pointer (must be preserved)
  * r1 = previous thread_info pointer
- * r2 = next thread_info.cpu_domain pointer (must be preserved)
+ * r2 = next thread_info pointer (must be preserved)
  *
  * Called only from __switch_to with task preemption disabled.
  * No need to care about preserving r4 and above.
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index f094277485c8..1ce05ec086c6 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -134,17 +134,6 @@ sys_sigaction(int sig, const struct old_sigaction __user *act,
 
 #ifdef CONFIG_IWMMXT
 
-/* iwmmxt_area is 0x98 bytes long, preceeded by 8 bytes of signature */
-#define IWMMXT_STORAGE_SIZE	(0x98 + 8)
-#define IWMMXT_MAGIC0		0x12ef842a
-#define IWMMXT_MAGIC1		0x1c07ca71
-
-struct iwmmxt_sigframe {
-	unsigned long	magic0;
-	unsigned long	magic1;
-	unsigned long	storage[0x98/4];
-};
-
 static int preserve_iwmmxt_context(struct iwmmxt_sigframe *frame)
 {
 	char kbuf[sizeof(*frame) + 8];
@@ -152,8 +141,8 @@ static int preserve_iwmmxt_context(struct iwmmxt_sigframe *frame)
 
 	/* the iWMMXt context must be 64 bit aligned */
 	kframe = (struct iwmmxt_sigframe *)((unsigned long)(kbuf + 8) & ~7);
-	kframe->magic0 = IWMMXT_MAGIC0;
-	kframe->magic1 = IWMMXT_MAGIC1;
+	kframe->magic = IWMMXT_MAGIC;
+	kframe->size = IWMMXT_STORAGE_SIZE;
 	iwmmxt_task_copy(current_thread_info(), &kframe->storage);
 	return __copy_to_user(frame, kframe, sizeof(*frame));
 }
@@ -167,8 +156,8 @@ static int restore_iwmmxt_context(struct iwmmxt_sigframe *frame)
 	kframe = (struct iwmmxt_sigframe *)((unsigned long)(kbuf + 8) & ~7);
 	if (__copy_from_user(kframe, frame, sizeof(*frame)))
 		return -1;
-	if (kframe->magic0 != IWMMXT_MAGIC0 ||
-	    kframe->magic1 != IWMMXT_MAGIC1)
+	if (kframe->magic != IWMMXT_MAGIC ||
+	    kframe->size != IWMMXT_STORAGE_SIZE)
 		return -1;
 	iwmmxt_task_restore(current_thread_info(), &kframe->storage);
 	return 0;
@@ -177,70 +166,61 @@ static int restore_iwmmxt_context(struct iwmmxt_sigframe *frame)
 #endif
 
 /*
- * Auxiliary signal frame.  This saves stuff like FP state.
- * The layout of this structure is not part of the user ABI.
- */
-struct aux_sigframe {
-#ifdef CONFIG_IWMMXT
-	struct iwmmxt_sigframe	iwmmxt;
-#endif
-#ifdef CONFIG_VFP
-	union vfp_state		vfp;
-#endif
-};
-
-/*
  * Do a signal return; undo the signal stack.  These are aligned to 64-bit.
  */
 struct sigframe {
-	struct sigcontext sc;
-	unsigned long extramask[_NSIG_WORDS-1];
+	struct ucontext uc;
 	unsigned long retcode[2];
-	struct aux_sigframe aux __attribute__((aligned(8)));
 };
 
 struct rt_sigframe {
-	struct siginfo __user *pinfo;
-	void __user *puc;
 	struct siginfo info;
-	struct ucontext uc;
-	unsigned long retcode[2];
-	struct aux_sigframe aux __attribute__((aligned(8)));
+	struct sigframe sig;
 };
 
-static int
-restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
-		   struct aux_sigframe __user *aux)
+static int restore_sigframe(struct pt_regs *regs, struct sigframe __user *sf)
 {
-	int err = 0;
+	struct aux_sigframe __user *aux;
+	sigset_t set;
+	int err;
+
+	err = __copy_from_user(&set, &sf->uc.uc_sigmask, sizeof(set));
+	if (err == 0) {
+		sigdelsetmask(&set, ~_BLOCKABLE);
+		spin_lock_irq(&current->sighand->siglock);
+		current->blocked = set;
+		recalc_sigpending();
+		spin_unlock_irq(&current->sighand->siglock);
+	}
 
-	__get_user_error(regs->ARM_r0, &sc->arm_r0, err);
-	__get_user_error(regs->ARM_r1, &sc->arm_r1, err);
-	__get_user_error(regs->ARM_r2, &sc->arm_r2, err);
-	__get_user_error(regs->ARM_r3, &sc->arm_r3, err);
-	__get_user_error(regs->ARM_r4, &sc->arm_r4, err);
-	__get_user_error(regs->ARM_r5, &sc->arm_r5, err);
-	__get_user_error(regs->ARM_r6, &sc->arm_r6, err);
-	__get_user_error(regs->ARM_r7, &sc->arm_r7, err);
-	__get_user_error(regs->ARM_r8, &sc->arm_r8, err);
-	__get_user_error(regs->ARM_r9, &sc->arm_r9, err);
-	__get_user_error(regs->ARM_r10, &sc->arm_r10, err);
-	__get_user_error(regs->ARM_fp, &sc->arm_fp, err);
-	__get_user_error(regs->ARM_ip, &sc->arm_ip, err);
-	__get_user_error(regs->ARM_sp, &sc->arm_sp, err);
-	__get_user_error(regs->ARM_lr, &sc->arm_lr, err);
-	__get_user_error(regs->ARM_pc, &sc->arm_pc, err);
-	__get_user_error(regs->ARM_cpsr, &sc->arm_cpsr, err);
+	__get_user_error(regs->ARM_r0, &sf->uc.uc_mcontext.arm_r0, err);
+	__get_user_error(regs->ARM_r1, &sf->uc.uc_mcontext.arm_r1, err);
+	__get_user_error(regs->ARM_r2, &sf->uc.uc_mcontext.arm_r2, err);
+	__get_user_error(regs->ARM_r3, &sf->uc.uc_mcontext.arm_r3, err);
+	__get_user_error(regs->ARM_r4, &sf->uc.uc_mcontext.arm_r4, err);
+	__get_user_error(regs->ARM_r5, &sf->uc.uc_mcontext.arm_r5, err);
+	__get_user_error(regs->ARM_r6, &sf->uc.uc_mcontext.arm_r6, err);
+	__get_user_error(regs->ARM_r7, &sf->uc.uc_mcontext.arm_r7, err);
+	__get_user_error(regs->ARM_r8, &sf->uc.uc_mcontext.arm_r8, err);
+	__get_user_error(regs->ARM_r9, &sf->uc.uc_mcontext.arm_r9, err);
+	__get_user_error(regs->ARM_r10, &sf->uc.uc_mcontext.arm_r10, err);
+	__get_user_error(regs->ARM_fp, &sf->uc.uc_mcontext.arm_fp, err);
+	__get_user_error(regs->ARM_ip, &sf->uc.uc_mcontext.arm_ip, err);
+	__get_user_error(regs->ARM_sp, &sf->uc.uc_mcontext.arm_sp, err);
+	__get_user_error(regs->ARM_lr, &sf->uc.uc_mcontext.arm_lr, err);
+	__get_user_error(regs->ARM_pc, &sf->uc.uc_mcontext.arm_pc, err);
+	__get_user_error(regs->ARM_cpsr, &sf->uc.uc_mcontext.arm_cpsr, err);
 
 	err |= !valid_user_regs(regs);
 
+	aux = (struct aux_sigframe __user *) sf->uc.uc_regspace;
 #ifdef CONFIG_IWMMXT
 	if (err == 0 && test_thread_flag(TIF_USING_IWMMXT))
 		err |= restore_iwmmxt_context(&aux->iwmmxt);
 #endif
 #ifdef CONFIG_VFP
 //	if (err == 0)
-//		err |= vfp_restore_state(&aux->vfp);
+//		err |= vfp_restore_state(&sf->aux.vfp);
 #endif
 
 	return err;
@@ -249,7 +229,6 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc,
 asmlinkage int sys_sigreturn(struct pt_regs *regs)
 {
 	struct sigframe __user *frame;
-	sigset_t set;
 
 	/* Always make any pending restarted system calls return -EINTR */
 	current_thread_info()->restart_block.fn = do_no_restart_syscall;
@@ -266,19 +245,8 @@ asmlinkage int sys_sigreturn(struct pt_regs *regs)
 
 	if (!access_ok(VERIFY_READ, frame, sizeof (*frame)))
 		goto badframe;
-	if (__get_user(set.sig[0], &frame->sc.oldmask)
-	    || (_NSIG_WORDS > 1
-	        && __copy_from_user(&set.sig[1], &frame->extramask,
-				    sizeof(frame->extramask))))
-		goto badframe;
-
-	sigdelsetmask(&set, ~_BLOCKABLE);
-	spin_lock_irq(&current->sighand->siglock);
-	current->blocked = set;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
 
-	if (restore_sigcontext(regs, &frame->sc, &frame->aux))
+	if (restore_sigframe(regs, frame))
 		goto badframe;
 
 	/* Send SIGTRAP if we're single-stepping */
@@ -297,7 +265,6 @@ badframe:
 asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
 {
 	struct rt_sigframe __user *frame;
-	sigset_t set;
 
 	/* Always make any pending restarted system calls return -EINTR */
 	current_thread_info()->restart_block.fn = do_no_restart_syscall;
@@ -314,19 +281,11 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
 
 	if (!access_ok(VERIFY_READ, frame, sizeof (*frame)))
 		goto badframe;
-	if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
-		goto badframe;
 
-	sigdelsetmask(&set, ~_BLOCKABLE);
-	spin_lock_irq(&current->sighand->siglock);
-	current->blocked = set;
-	recalc_sigpending();
-	spin_unlock_irq(&current->sighand->siglock);
-
-	if (restore_sigcontext(regs, &frame->uc.uc_mcontext, &frame->aux))
+	if (restore_sigframe(regs, &frame->sig))
 		goto badframe;
 
-	if (do_sigaltstack(&frame->uc.uc_stack, NULL, regs->ARM_sp) == -EFAULT)
+	if (do_sigaltstack(&frame->sig.uc.uc_stack, NULL, regs->ARM_sp) == -EFAULT)
 		goto badframe;
 
 	/* Send SIGTRAP if we're single-stepping */
@@ -343,42 +302,46 @@ badframe:
 }
 
 static int
-setup_sigcontext(struct sigcontext __user *sc, struct aux_sigframe __user *aux,
-		 struct pt_regs *regs, unsigned long mask)
+setup_sigframe(struct sigframe __user *sf, struct pt_regs *regs, sigset_t *set)
 {
+	struct aux_sigframe __user *aux;
 	int err = 0;
 
-	__put_user_error(regs->ARM_r0, &sc->arm_r0, err);
-	__put_user_error(regs->ARM_r1, &sc->arm_r1, err);
-	__put_user_error(regs->ARM_r2, &sc->arm_r2, err);
-	__put_user_error(regs->ARM_r3, &sc->arm_r3, err);
-	__put_user_error(regs->ARM_r4, &sc->arm_r4, err);
-	__put_user_error(regs->ARM_r5, &sc->arm_r5, err);
-	__put_user_error(regs->ARM_r6, &sc->arm_r6, err);
-	__put_user_error(regs->ARM_r7, &sc->arm_r7, err);
-	__put_user_error(regs->ARM_r8, &sc->arm_r8, err);
-	__put_user_error(regs->ARM_r9, &sc->arm_r9, err);
-	__put_user_error(regs->ARM_r10, &sc->arm_r10, err);
-	__put_user_error(regs->ARM_fp, &sc->arm_fp, err);
-	__put_user_error(regs->ARM_ip, &sc->arm_ip, err);
-	__put_user_error(regs->ARM_sp, &sc->arm_sp, err);
-	__put_user_error(regs->ARM_lr, &sc->arm_lr, err);
-	__put_user_error(regs->ARM_pc, &sc->arm_pc, err);
-	__put_user_error(regs->ARM_cpsr, &sc->arm_cpsr, err);
-
-	__put_user_error(current->thread.trap_no, &sc->trap_no, err);
-	__put_user_error(current->thread.error_code, &sc->error_code, err);
-	__put_user_error(current->thread.address, &sc->fault_address, err);
-	__put_user_error(mask, &sc->oldmask, err);
-
+	__put_user_error(regs->ARM_r0, &sf->uc.uc_mcontext.arm_r0, err);
+	__put_user_error(regs->ARM_r1, &sf->uc.uc_mcontext.arm_r1, err);
+	__put_user_error(regs->ARM_r2, &sf->uc.uc_mcontext.arm_r2, err);
+	__put_user_error(regs->ARM_r3, &sf->uc.uc_mcontext.arm_r3, err);
+	__put_user_error(regs->ARM_r4, &sf->uc.uc_mcontext.arm_r4, err);
+	__put_user_error(regs->ARM_r5, &sf->uc.uc_mcontext.arm_r5, err);
+	__put_user_error(regs->ARM_r6, &sf->uc.uc_mcontext.arm_r6, err);
+	__put_user_error(regs->ARM_r7, &sf->uc.uc_mcontext.arm_r7, err);
+	__put_user_error(regs->ARM_r8, &sf->uc.uc_mcontext.arm_r8, err);
+	__put_user_error(regs->ARM_r9, &sf->uc.uc_mcontext.arm_r9, err);
+	__put_user_error(regs->ARM_r10, &sf->uc.uc_mcontext.arm_r10, err);
+	__put_user_error(regs->ARM_fp, &sf->uc.uc_mcontext.arm_fp, err);
+	__put_user_error(regs->ARM_ip, &sf->uc.uc_mcontext.arm_ip, err);
+	__put_user_error(regs->ARM_sp, &sf->uc.uc_mcontext.arm_sp, err);
+	__put_user_error(regs->ARM_lr, &sf->uc.uc_mcontext.arm_lr, err);
+	__put_user_error(regs->ARM_pc, &sf->uc.uc_mcontext.arm_pc, err);
+	__put_user_error(regs->ARM_cpsr, &sf->uc.uc_mcontext.arm_cpsr, err);
+
+	__put_user_error(current->thread.trap_no, &sf->uc.uc_mcontext.trap_no, err);
+	__put_user_error(current->thread.error_code, &sf->uc.uc_mcontext.error_code, err);
+	__put_user_error(current->thread.address, &sf->uc.uc_mcontext.fault_address, err);
+	__put_user_error(set->sig[0], &sf->uc.uc_mcontext.oldmask, err);
+
+	err |= __copy_to_user(&sf->uc.uc_sigmask, set, sizeof(*set));
+
+	aux = (struct aux_sigframe __user *) sf->uc.uc_regspace;
 #ifdef CONFIG_IWMMXT
 	if (err == 0 && test_thread_flag(TIF_USING_IWMMXT))
 		err |= preserve_iwmmxt_context(&aux->iwmmxt);
 #endif
 #ifdef CONFIG_VFP
 //	if (err == 0)
-//		err |= vfp_save_state(&aux->vfp);
+//		err |= vfp_save_state(&sf->aux.vfp);
 #endif
+	__put_user_error(0, &aux->end_magic, err);
 
 	return err;
 }
@@ -487,13 +450,12 @@ setup_frame(int usig, struct k_sigaction *ka, sigset_t *set, struct pt_regs *reg
 	if (!frame)
 		return 1;
 
-	err |= setup_sigcontext(&frame->sc, &frame->aux, regs, set->sig[0]);
-
-	if (_NSIG_WORDS > 1) {
-		err |= __copy_to_user(frame->extramask, &set->sig[1],
-				      sizeof(frame->extramask));
-	}
+	/*
+	 * Set uc.uc_flags to a value which sc.trap_no would never have.
+	 */
+	__put_user_error(0x5ac3c35a, &frame->uc.uc_flags, err);
 
+	err |= setup_sigframe(frame, regs, set);
 	if (err == 0)
 		err = setup_return(regs, ka, frame->retcode, frame, usig);
 
@@ -511,25 +473,20 @@ setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
 	if (!frame)
 		return 1;
 
-	__put_user_error(&frame->info, &frame->pinfo, err);
-	__put_user_error(&frame->uc, &frame->puc, err);
 	err |= copy_siginfo_to_user(&frame->info, info);
 
-	__put_user_error(0, &frame->uc.uc_flags, err);
-	__put_user_error(NULL, &frame->uc.uc_link, err);
+	__put_user_error(0, &frame->sig.uc.uc_flags, err);
+	__put_user_error(NULL, &frame->sig.uc.uc_link, err);
 
 	memset(&stack, 0, sizeof(stack));
 	stack.ss_sp = (void __user *)current->sas_ss_sp;
 	stack.ss_flags = sas_ss_flags(regs->ARM_sp);
 	stack.ss_size = current->sas_ss_size;
-	err |= __copy_to_user(&frame->uc.uc_stack, &stack, sizeof(stack));
-
-	err |= setup_sigcontext(&frame->uc.uc_mcontext, &frame->aux,
-				regs, set->sig[0]);
-	err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
+	err |= __copy_to_user(&frame->sig.uc.uc_stack, &stack, sizeof(stack));
 
+	err |= setup_sigframe(&frame->sig, regs, set);
 	if (err == 0)
-		err = setup_return(regs, ka, frame->retcode, frame, usig);
+		err = setup_return(regs, ka, frame->sig.retcode, frame, usig);
 
 	if (err == 0) {
 		/*
@@ -538,7 +495,7 @@ setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
 		 *   -- Peter Maydell <pmaydell@chiark.greenend.org.uk> 2000-12-06
 		 */
 		regs->ARM_r1 = (unsigned long)&frame->info;
-		regs->ARM_r2 = (unsigned long)&frame->uc;
+		regs->ARM_r2 = (unsigned long)&frame->sig.uc;
 	}
 
 	return err;
diff --git a/arch/arm/mach-ep93xx/Makefile b/arch/arm/mach-ep93xx/Makefile
index 5393af989e94..05a48a21038e 100644
--- a/arch/arm/mach-ep93xx/Makefile
+++ b/arch/arm/mach-ep93xx/Makefile
@@ -1,7 +1,7 @@
 #
 # Makefile for the linux kernel.
 #
-obj-y			:= core.o
+obj-y			:= core.o clock.o
 obj-m			:=
 obj-n			:=
 obj-			:=
diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c
new file mode 100644
index 000000000000..08ad782c1649
--- /dev/null
+++ b/arch/arm/mach-ep93xx/clock.c
@@ -0,0 +1,156 @@
+/*
+ * arch/arm/mach-ep93xx/clock.c
+ * Clock control for Cirrus EP93xx chips.
+ *
+ * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/string.h>
+#include <asm/div64.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+
+struct clk {
+	char		*name;
+	unsigned long	rate;
+	int		users;
+	u32		enable_reg;
+	u32		enable_mask;
+};
+
+static struct clk clk_pll1 = {
+	.name		= "pll1",
+};
+static struct clk clk_f = {
+	.name		= "fclk",
+};
+static struct clk clk_h = {
+	.name		= "hclk",
+};
+static struct clk clk_p = {
+	.name		= "pclk",
+};
+static struct clk clk_pll2 = {
+	.name		= "pll2",
+};
+static struct clk clk_usb_host = {
+	.name		= "usb_host",
+	.enable_reg	= EP93XX_SYSCON_CLOCK_CONTROL,
+	.enable_mask	= EP93XX_SYSCON_CLOCK_USH_EN,
+};
+
+
+static struct clk *clocks[] = {
+	&clk_pll1,
+	&clk_f,
+	&clk_h,
+	&clk_p,
+	&clk_pll2,
+	&clk_usb_host,
+};
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(clocks); i++) {
+		if (!strcmp(clocks[i]->name, id))
+			return clocks[i];
+	}
+
+	return ERR_PTR(-ENOENT);
+}
+
+int clk_enable(struct clk *clk)
+{
+	if (!clk->users++ && clk->enable_reg) {
+		u32 value;
+
+		value = __raw_readl(clk->enable_reg);
+		__raw_writel(value | clk->enable_mask, clk->enable_reg);
+	}
+
+	return 0;
+}
+
+void clk_disable(struct clk *clk)
+{
+	if (!--clk->users && clk->enable_reg) {
+		u32 value;
+
+		value = __raw_readl(clk->enable_reg);
+		__raw_writel(value & ~clk->enable_mask, clk->enable_reg);
+	}
+}
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+	return clk->rate;
+}
+
+void clk_put(struct clk *clk)
+{
+}
+
+
+
+static char fclk_divisors[] = { 1, 2, 4, 8, 16, 1, 1, 1 };
+static char hclk_divisors[] = { 1, 2, 4, 5, 6, 8, 16, 32 };
+static char pclk_divisors[] = { 1, 2, 4, 8 };
+
+/*
+ * PLL rate = 14.7456 MHz * (X1FBD + 1) * (X2FBD + 1) / (X2IPD + 1) / 2^PS
+ */
+static unsigned long calc_pll_rate(u32 config_word)
+{
+	unsigned long long rate;
+	int i;
+
+	rate = 14745600;
+	rate *= ((config_word >> 11) & 0x1f) + 1;		/* X1FBD */
+	rate *= ((config_word >> 5) & 0x3f) + 1;		/* X2FBD */
+	do_div(rate, (config_word & 0x1f) + 1);			/* X2IPD */
+	for (i = 0; i < ((config_word >> 16) & 3); i++)		/* PS */
+		rate >>= 1;
+
+	return (unsigned long)rate;
+}
+
+void ep93xx_clock_init(void)
+{
+	u32 value;
+
+	value = __raw_readl(EP93XX_SYSCON_CLOCK_SET1);
+	if (!(value & 0x00800000)) {			/* PLL1 bypassed?  */
+		clk_pll1.rate = 14745600;
+	} else {
+		clk_pll1.rate = calc_pll_rate(value);
+	}
+	clk_f.rate = clk_pll1.rate / fclk_divisors[(value >> 25) & 0x7];
+	clk_h.rate = clk_pll1.rate / hclk_divisors[(value >> 20) & 0x7];
+	clk_p.rate = clk_h.rate / pclk_divisors[(value >> 18) & 0x3];
+
+	value = __raw_readl(EP93XX_SYSCON_CLOCK_SET2);
+	if (!(value & 0x00080000)) {			/* PLL2 bypassed?  */
+		clk_pll2.rate = 14745600;
+	} else if (value & 0x00040000) {		/* PLL2 enabled?  */
+		clk_pll2.rate = calc_pll_rate(value);
+	} else {
+		clk_pll2.rate = 0;
+	}
+	clk_usb_host.rate = clk_pll2.rate / (((value >> 28) & 0xf) + 1);
+
+	printk(KERN_INFO "ep93xx: PLL1 running at %ld MHz, PLL2 at %ld MHz\n",
+		clk_pll1.rate / 1000000, clk_pll2.rate / 1000000);
+	printk(KERN_INFO "ep93xx: FCLK %ld MHz, HCLK %ld MHz, PCLK %ld MHz\n",
+		clk_f.rate / 1000000, clk_h.rate / 1000000,
+		clk_p.rate / 1000000);
+}
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index bf6bd71bdd08..1fe73c0a9d01 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -433,10 +433,37 @@ static struct platform_device ep93xx_rtc_device = {
 };
 
 
+static struct resource ep93xx_ohci_resources[] = {
+	[0] = {
+		.start	= EP93XX_USB_PHYS_BASE,
+		.end	= EP93XX_USB_PHYS_BASE + 0x0fff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_EP93XX_USB,
+		.end	= IRQ_EP93XX_USB,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device ep93xx_ohci_device = {
+	.name		= "ep93xx-ohci",
+	.id		= -1,
+	.dev		= {
+		.dma_mask		= (void *)0xffffffff,
+		.coherent_dma_mask	= 0xffffffff,
+	},
+	.num_resources	= ARRAY_SIZE(ep93xx_ohci_resources),
+	.resource	= ep93xx_ohci_resources,
+};
+
+
 void __init ep93xx_init_devices(void)
 {
 	unsigned int v;
 
+	ep93xx_clock_init();
+
 	/*
 	 * Disallow access to MaverickCrunch initially.
 	 */
@@ -450,4 +477,5 @@ void __init ep93xx_init_devices(void)
 	amba_device_register(&uart3_device, &iomem_resource);
 
 	platform_device_register(&ep93xx_rtc_device);
+	platform_device_register(&ep93xx_ohci_device);
 }
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c
index 186f632035b8..ebe4391dd7f9 100644
--- a/arch/arm/mach-ixp2000/core.c
+++ b/arch/arm/mach-ixp2000/core.c
@@ -302,6 +302,7 @@ void gpio_line_config(int line, int direction)
 	}
 	local_irq_restore(flags);
 }
+EXPORT_SYMBOL(gpio_line_config);
 
 
 /*************************************************************************
diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index 7b786d725636..f5d9cd498a5f 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -81,6 +81,12 @@ config SMDK2440_CPU2442
 	depends on ARCH_S3C2440
 	select CPU_S3C2442
 
+config MACH_SMDK2413
+	bool "SMDK2413"
+	select CPU_S3C2412
+	select MACH_SMDK
+	help
+	  Say Y here if you are using an SMDK2413
 
 config MACH_VR1000
 	bool "Thorcom VR1000"
@@ -127,6 +133,20 @@ config CPU_S3C2410
 	  Support for S3C2410 and S3C2410A family from the S3C24XX line
 	  of Samsung Mobile CPUs.
 
+# internal node to signify if we are only dealing with an S3C2412
+
+config CPU_S3C2412_ONLY
+	bool
+	depends on ARCH_S3C2410 && !CPU_S3C2400 && !CPU_S3C2410 && \
+		   !CPU_S3C2440 && !CPU_S3C2442 && CPU_S3C2412
+	default y if CPU_S3C2412
+
+config CPU_S3C2412
+	bool
+	depends on ARCH_S3C2410
+	help
+	  Support for the S3C2412 and S3C2413 SoCs from the S3C24XX line
+
 config CPU_S3C244X
 	bool
 	depends on ARCH_S3C2410 && (CPU_S3C2440 || CPU_S3C2442)
diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
index 372dbcea1434..0c7938645df6 100644
--- a/arch/arm/mach-s3c2410/Makefile
+++ b/arch/arm/mach-s3c2410/Makefile
@@ -24,6 +24,11 @@ obj-$(CONFIG_S3C2410_DMA)  += dma.o
 obj-$(CONFIG_PM)	   += pm.o sleep.o
 obj-$(CONFIG_PM_SIMTEC)	   += pm-simtec.o
 
+# S3C2412 support
+obj-$(CONFIG_CPU_S3C2412)  += s3c2412.o
+obj-$(CONFIG_CPU_S3C2412)  += s3c2412-clock.o
+
+#
 # S3C244X support
 
 obj-$(CONFIG_CPU_S3C244X)  += s3c244x.o
@@ -57,6 +62,7 @@ obj-$(CONFIG_ARCH_BAST)		+= mach-bast.o usb-simtec.o
 obj-$(CONFIG_ARCH_H1940)	+= mach-h1940.o
 obj-$(CONFIG_MACH_N30)		+= mach-n30.o
 obj-$(CONFIG_ARCH_SMDK2410)	+= mach-smdk2410.o
+obj-$(CONFIG_MACH_SMDK2413)	+= mach-smdk2413.o
 obj-$(CONFIG_ARCH_S3C2440)	+= mach-smdk2440.o
 obj-$(CONFIG_MACH_VR1000)	+= mach-vr1000.o usb-simtec.o
 obj-$(CONFIG_MACH_RX3715)	+= mach-rx3715.o
diff --git a/arch/arm/mach-s3c2410/clock.c b/arch/arm/mach-s3c2410/clock.c
index c5c93c333ac6..e13fb6778890 100644
--- a/arch/arm/mach-s3c2410/clock.c
+++ b/arch/arm/mach-s3c2410/clock.c
@@ -213,7 +213,7 @@ EXPORT_SYMBOL(clk_set_parent);
 
 /* base clocks */
 
-static struct clk clk_xtal = {
+struct clk clk_xtal = {
 	.name		= "xtal",
 	.id		= -1,
 	.rate		= 0,
@@ -221,6 +221,11 @@ static struct clk clk_xtal = {
 	.ctrlbit	= 0,
 };
 
+struct clk clk_mpll = {
+	.name		= "mpll",
+	.id		= -1,
+};
+
 struct clk clk_upll = {
 	.name		= "upll",
 	.id		= -1,
@@ -232,7 +237,7 @@ struct clk clk_f = {
 	.name		= "fclk",
 	.id		= -1,
 	.rate		= 0,
-	.parent		= NULL,
+	.parent		= &clk_mpll,
 	.ctrlbit	= 0,
 };
 
@@ -263,14 +268,14 @@ struct clk clk_usb_bus = {
 
 static int s3c24xx_dclk_enable(struct clk *clk, int enable)
 {
-	unsigned long dclkcon = __raw_readl(S3C2410_DCLKCON);
+	unsigned long dclkcon = __raw_readl(S3C24XX_DCLKCON);
 
 	if (enable)
 		dclkcon |= clk->ctrlbit;
 	else
 		dclkcon &= ~clk->ctrlbit;
 
-	__raw_writel(dclkcon, S3C2410_DCLKCON);
+	__raw_writel(dclkcon, S3C24XX_DCLKCON);
 
 	return 0;
 }
@@ -289,7 +294,7 @@ static int s3c24xx_dclk_setparent(struct clk *clk, struct clk *parent)
 
 	clk->parent = parent;
 
-	dclkcon = __raw_readl(S3C2410_DCLKCON);
+	dclkcon = __raw_readl(S3C24XX_DCLKCON);
 
 	if (clk->ctrlbit == S3C2410_DCLKCON_DCLK0EN) {
 		if (uclk)
@@ -303,7 +308,7 @@ static int s3c24xx_dclk_setparent(struct clk *clk, struct clk *parent)
 			dclkcon &= ~S3C2410_DCLKCON_DCLK1_UCLK;
 	}
 
-	__raw_writel(dclkcon, S3C2410_DCLKCON);
+	__raw_writel(dclkcon, S3C24XX_DCLKCON);
 
 	return 0;
 }
@@ -413,6 +418,7 @@ int __init s3c24xx_setup_clocks(unsigned long xtal,
 	clk_xtal.rate = xtal;
 	clk_upll.rate = s3c2410_get_pll(__raw_readl(S3C2410_UPLLCON), xtal);
 
+	clk_mpll.rate = fclk;
 	clk_h.rate = hclk;
 	clk_p.rate = pclk;
 	clk_f.rate = fclk;
@@ -424,6 +430,9 @@ int __init s3c24xx_setup_clocks(unsigned long xtal,
 	if (s3c24xx_register_clock(&clk_xtal) < 0)
 		printk(KERN_ERR "failed to register master xtal\n");
 
+	if (s3c24xx_register_clock(&clk_mpll) < 0)
+		printk(KERN_ERR "failed to register mpll clock\n");
+
 	if (s3c24xx_register_clock(&clk_upll) < 0)
 		printk(KERN_ERR "failed to register upll clock\n");
 
diff --git a/arch/arm/mach-s3c2410/clock.h b/arch/arm/mach-s3c2410/clock.h
index 9456c81eb5d3..7f0ea03e1d49 100644
--- a/arch/arm/mach-s3c2410/clock.h
+++ b/arch/arm/mach-s3c2410/clock.h
@@ -42,7 +42,9 @@ extern struct clk clk_usb_bus;
 extern struct clk clk_f;
 extern struct clk clk_h;
 extern struct clk clk_p;
+extern struct clk clk_mpll;
 extern struct clk clk_upll;
+extern struct clk clk_xtal;
 
 /* exports for arch/arm/mach-s3c2410
  *
diff --git a/arch/arm/mach-s3c2410/cpu.c b/arch/arm/mach-s3c2410/cpu.c
index 52842e6e86e6..1c3c6adae6c4 100644
--- a/arch/arm/mach-s3c2410/cpu.c
+++ b/arch/arm/mach-s3c2410/cpu.c
@@ -44,6 +44,7 @@
 #include "clock.h"
 #include "s3c2400.h"
 #include "s3c2410.h"
+#include "s3c2412.h"
 #include "s3c244x.h"
 #include "s3c2440.h"
 #include "s3c2442.h"
@@ -62,6 +63,7 @@ struct cpu_table {
 
 static const char name_s3c2400[]  = "S3C2400";
 static const char name_s3c2410[]  = "S3C2410";
+static const char name_s3c2412[]  = "S3C2412";
 static const char name_s3c2440[]  = "S3C2440";
 static const char name_s3c2442[]  = "S3C2442";
 static const char name_s3c2410a[] = "S3C2410A";
@@ -114,6 +116,15 @@ static struct cpu_table cpu_ids[] __initdata = {
 		.name		= name_s3c2442
 	},
 	{
+		.idcode		= 0x32412001,
+		.idmask		= 0xffffffff,
+		.map_io		= s3c2412_map_io,
+		.init_clocks	= s3c2412_init_clocks,
+		.init_uarts	= s3c2412_init_uarts,
+		.init		= s3c2412_init,
+		.name		= name_s3c2412,
+	},
+	{
 		.idcode		= 0x0,   /* S3C2400 doesn't have an idcode */
 		.idmask		= 0xffffffff,
 		.map_io		= s3c2400_map_io,
@@ -171,6 +182,24 @@ void s3c24xx_set_board(struct s3c24xx_board *b)
 
 static struct cpu_table *cpu;
 
+static unsigned long s3c24xx_read_idcode_v5(void)
+{
+#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413)
+	return __raw_readl(S3C2412_GSTATUS1);
+#else
+	return 1UL;	/* don't look like an 2400 */
+#endif
+}
+
+static unsigned long s3c24xx_read_idcode_v4(void)
+{
+#ifndef CONFIG_CPU_S3C2400
+	return __raw_readl(S3C2410_GSTATUS1);
+#else
+	return 0UL;
+#endif
+}
+
 void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
 {
 	unsigned long idcode = 0x0;
@@ -178,9 +207,11 @@ void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
 	/* initialise the io descriptors we need for initialisation */
 	iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
 
-#ifndef CONFIG_CPU_S3C2400
-	idcode = __raw_readl(S3C2410_GSTATUS1);
-#endif
+	if (cpu_architecture() >= CPU_ARCH_ARMv5) {
+		idcode = s3c24xx_read_idcode_v5();
+	} else {
+		idcode = s3c24xx_read_idcode_v4();
+	}
 
 	cpu = s3c_lookup_cpu(idcode);
 
diff --git a/arch/arm/mach-s3c2410/cpu.h b/arch/arm/mach-s3c2410/cpu.h
index 21c62dc29bb2..b0ed9d2d141b 100644
--- a/arch/arm/mach-s3c2410/cpu.h
+++ b/arch/arm/mach-s3c2410/cpu.h
@@ -74,5 +74,6 @@ extern struct sys_timer s3c24xx_timer;
 /* system device classes */
 
 extern struct sysdev_class s3c2410_sysclass;
+extern struct sysdev_class s3c2412_sysclass;
 extern struct sysdev_class s3c2440_sysclass;
 extern struct sysdev_class s3c2442_sysclass;
diff --git a/arch/arm/mach-s3c2410/irq.c b/arch/arm/mach-s3c2410/irq.c
index 66d8c068e940..6822dc7f7799 100644
--- a/arch/arm/mach-s3c2410/irq.c
+++ b/arch/arm/mach-s3c2410/irq.c
@@ -191,13 +191,9 @@ static struct irqchip s3c_irq_chip = {
 	.ack	   = s3c_irq_ack,
 	.mask	   = s3c_irq_mask,
 	.unmask	   = s3c_irq_unmask,
-	.set_wake	   = s3c_irq_wake
+	.set_wake  = s3c_irq_wake
 };
 
-/* S3C2410_EINTMASK
- * S3C2410_EINTPEND
- */
-
 static void
 s3c_irqext_mask(unsigned int irqno)
 {
@@ -205,9 +201,9 @@ s3c_irqext_mask(unsigned int irqno)
 
 	irqno -= EXTINT_OFF;
 
-	mask = __raw_readl(S3C2410_EINTMASK);
+	mask = __raw_readl(S3C24XX_EINTMASK);
 	mask |= ( 1UL << irqno);
-	__raw_writel(mask, S3C2410_EINTMASK);
+	__raw_writel(mask, S3C24XX_EINTMASK);
 
 	if (irqno <= (IRQ_EINT7 - EXTINT_OFF)) {
 		/* check to see if all need masking */
@@ -232,11 +228,11 @@ s3c_irqext_ack(unsigned int irqno)
 	bit = 1UL << (irqno - EXTINT_OFF);
 
 
-	mask = __raw_readl(S3C2410_EINTMASK);
+	mask = __raw_readl(S3C24XX_EINTMASK);
 
-	__raw_writel(bit, S3C2410_EINTPEND);
+	__raw_writel(bit, S3C24XX_EINTPEND);
 
-	req = __raw_readl(S3C2410_EINTPEND);
+	req = __raw_readl(S3C24XX_EINTPEND);
 	req &= ~mask;
 
 	/* not sure if we should be acking the parent irq... */
@@ -257,9 +253,9 @@ s3c_irqext_unmask(unsigned int irqno)
 
 	irqno -= EXTINT_OFF;
 
-	mask = __raw_readl(S3C2410_EINTMASK);
+	mask = __raw_readl(S3C24XX_EINTMASK);
 	mask &= ~( 1UL << irqno);
-	__raw_writel(mask, S3C2410_EINTMASK);
+	__raw_writel(mask, S3C24XX_EINTMASK);
 
 	s3c_irq_unmask((irqno <= (IRQ_EINT7 - EXTINT_OFF)) ? IRQ_EINT4t7 : IRQ_EINT8t23);
 }
@@ -275,28 +271,28 @@ s3c_irqext_type(unsigned int irq, unsigned int type)
 	if ((irq >= IRQ_EINT0) && (irq <= IRQ_EINT3))
 	{
 		gpcon_reg = S3C2410_GPFCON;
-		extint_reg = S3C2410_EXTINT0;
+		extint_reg = S3C24XX_EXTINT0;
 		gpcon_offset = (irq - IRQ_EINT0) * 2;
 		extint_offset = (irq - IRQ_EINT0) * 4;
 	}
 	else if ((irq >= IRQ_EINT4) && (irq <= IRQ_EINT7))
 	{
 		gpcon_reg = S3C2410_GPFCON;
-		extint_reg = S3C2410_EXTINT0;
+		extint_reg = S3C24XX_EXTINT0;
 		gpcon_offset = (irq - (EXTINT_OFF)) * 2;
 		extint_offset = (irq - (EXTINT_OFF)) * 4;
 	}
 	else if ((irq >= IRQ_EINT8) && (irq <= IRQ_EINT15))
 	{
 		gpcon_reg = S3C2410_GPGCON;
-		extint_reg = S3C2410_EXTINT1;
+		extint_reg = S3C24XX_EXTINT1;
 		gpcon_offset = (irq - IRQ_EINT8) * 2;
 		extint_offset = (irq - IRQ_EINT8) * 4;
 	}
 	else if ((irq >= IRQ_EINT16) && (irq <= IRQ_EINT23))
 	{
 		gpcon_reg = S3C2410_GPGCON;
-		extint_reg = S3C2410_EXTINT2;
+		extint_reg = S3C24XX_EXTINT2;
 		gpcon_offset = (irq - IRQ_EINT8) * 2;
 		extint_offset = (irq - IRQ_EINT16) * 4;
 	} else
@@ -572,6 +568,23 @@ s3c_irq_demux_uart2(unsigned int irq,
 	s3c_irq_demux_uart(IRQ_S3CUART_RX2, regs);
 }
 
+static void
+s3c_irq_demux_extint(unsigned int irq,
+		     struct irqdesc *desc,
+		     struct pt_regs *regs)
+{
+	unsigned long eintpnd = __raw_readl(S3C24XX_EINTPEND);
+	unsigned long eintmsk = __raw_readl(S3C24XX_EINTMASK);
+
+	eintpnd &= ~eintmsk;
+
+	if (eintpnd) {
+		irq = fls(eintpnd);
+		irq += (IRQ_EINT4 - (4 + 1));
+
+		desc_handle_irq(irq, irq_desc + irq, regs);
+	}
+}
 
 /* s3c24xx_init_irq
  *
@@ -591,12 +604,12 @@ void __init s3c24xx_init_irq(void)
 
 	last = 0;
 	for (i = 0; i < 4; i++) {
-		pend = __raw_readl(S3C2410_EINTPEND);
+		pend = __raw_readl(S3C24XX_EINTPEND);
 
 		if (pend == 0 || pend == last)
 			break;
 
-		__raw_writel(pend, S3C2410_EINTPEND);
+		__raw_writel(pend, S3C24XX_EINTPEND);
 		printk("irq: clearing pending ext status %08x\n", (int)pend);
 		last = pend;
 	}
@@ -630,12 +643,14 @@ void __init s3c24xx_init_irq(void)
 
 	irqdbf("s3c2410_init_irq: registering s3c2410 interrupt handlers\n");
 
-	for (irqno = IRQ_BATT_FLT; irqno <= IRQ_ADCPARENT; irqno++) {
+	for (irqno = IRQ_EINT4t7; irqno <= IRQ_ADCPARENT; irqno++) {
 		/* set all the s3c2410 internal irqs */
 
 		switch (irqno) {
 			/* deal with the special IRQs (cascaded) */
 
+		case IRQ_EINT4t7:
+		case IRQ_EINT8t23:
 		case IRQ_UART0:
 		case IRQ_UART1:
 		case IRQ_UART2:
@@ -659,12 +674,14 @@ void __init s3c24xx_init_irq(void)
 
 	/* setup the cascade irq handlers */
 
+	set_irq_chained_handler(IRQ_EINT4t7, s3c_irq_demux_extint);
+	set_irq_chained_handler(IRQ_EINT8t23, s3c_irq_demux_extint);
+
 	set_irq_chained_handler(IRQ_UART0, s3c_irq_demux_uart0);
 	set_irq_chained_handler(IRQ_UART1, s3c_irq_demux_uart1);
 	set_irq_chained_handler(IRQ_UART2, s3c_irq_demux_uart2);
 	set_irq_chained_handler(IRQ_ADCPARENT, s3c_irq_demux_adc);
 
-
 	/* external interrupts */
 
 	for (irqno = IRQ_EINT0; irqno <= IRQ_EINT3; irqno++) {
diff --git a/arch/arm/mach-s3c2410/mach-smdk2413.c b/arch/arm/mach-s3c2410/mach-smdk2413.c
new file mode 100644
index 000000000000..b7ef7d3c54a9
--- /dev/null
+++ b/arch/arm/mach-s3c2410/mach-smdk2413.c
@@ -0,0 +1,126 @@
+/* linux/arch/arm/mach-s3c2410/mach-smdk2413.c
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the
+ * loans of SMDK2413 to work with.
+ *
+ * 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/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/hardware.h>
+#include <asm/hardware/iomd.h>
+#include <asm/setup.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+//#include <asm/debug-ll.h>
+#include <asm/arch/regs-serial.h>
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/regs-lcd.h>
+
+#include <asm/arch/idle.h>
+#include <asm/arch/fb.h>
+
+#include "s3c2410.h"
+#include "s3c2412.h"
+#include "clock.h"
+#include "devs.h"
+#include "cpu.h"
+
+#include "common-smdk.h"
+
+static struct map_desc smdk2413_iodesc[] __initdata = {
+};
+
+static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport	     = 0,
+		.flags	     = 0,
+		.ucon	     = 0x3c5,
+		.ulcon	     = 0x03,
+		.ufcon	     = 0x51,
+	},
+	[1] = {
+		.hwport	     = 1,
+		.flags	     = 0,
+		.ucon	     = 0x3c5,
+		.ulcon	     = 0x03,
+		.ufcon	     = 0x51,
+	},
+	/* IR port */
+	[2] = {
+		.hwport	     = 2,
+		.flags	     = 0,
+		.ucon	     = 0x3c5,
+		.ulcon	     = 0x43,
+		.ufcon	     = 0x51,
+	}
+};
+
+static struct platform_device *smdk2413_devices[] __initdata = {
+	&s3c_device_usb,
+	//&s3c_device_lcd,
+	&s3c_device_wdt,
+	&s3c_device_i2c,
+	&s3c_device_iis,
+};
+
+static struct s3c24xx_board smdk2413_board __initdata = {
+	.devices       = smdk2413_devices,
+	.devices_count = ARRAY_SIZE(smdk2413_devices)
+};
+
+static void __init smdk2413_fixup(struct machine_desc *desc,
+				  struct tag *tags, char **cmdline,
+				  struct meminfo *mi)
+{
+	if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
+		mi->nr_banks=1;
+		mi->bank[0].start = 0x30000000;
+		mi->bank[0].size = SZ_64M;
+		mi->bank[0].node = 0;
+	}
+}
+
+static void __init smdk2413_map_io(void)
+{
+	s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
+	s3c24xx_init_clocks(12000000);
+	s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
+	s3c24xx_set_board(&smdk2413_board);
+}
+
+static void __init smdk2413_machine_init(void)
+{
+	smdk_machine_init();
+}
+
+MACHINE_START(S3C2413, "SMDK2413")
+	/* Maintainer: Ben Dooks <ben@fluff.org> */
+	.phys_io	= S3C2410_PA_UART,
+	.io_pg_offst	= (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc,
+	.boot_params	= S3C2410_SDRAM_PA + 0x100,
+
+	.fixup		= smdk2413_fixup,
+	.init_irq	= s3c24xx_init_irq,
+	.map_io		= smdk2413_map_io,
+	.init_machine	= smdk2413_machine_init,
+	.timer		= &s3c24xx_timer,
+MACHINE_END
diff --git a/arch/arm/mach-s3c2410/pm-simtec.c b/arch/arm/mach-s3c2410/pm-simtec.c
index 4c7ccef6c207..7b244566a436 100644
--- a/arch/arm/mach-s3c2410/pm-simtec.c
+++ b/arch/arm/mach-s3c2410/pm-simtec.c
@@ -48,7 +48,8 @@ static __init int pm_simtec_init(void)
 
 	/* check which machine we are running on */
 
-	if (!machine_is_bast() && !machine_is_vr1000() && !machine_is_anubis())
+	if (!machine_is_bast() && !machine_is_vr1000() &&
+	    !machine_is_anubis() && !machine_is_osiris())
 		return 0;
 
 	printk(KERN_INFO "Simtec Board Power Manangement" COPYRIGHT "\n");
diff --git a/arch/arm/mach-s3c2410/s3c2410-clock.c b/arch/arm/mach-s3c2410/s3c2410-clock.c
index fd17c60e1132..99718663318e 100644
--- a/arch/arm/mach-s3c2410/s3c2410-clock.c
+++ b/arch/arm/mach-s3c2410/s3c2410-clock.c
@@ -182,7 +182,15 @@ static struct clk init_clocks[] = {
 		.id		= -1,
 		.parent		= &clk_p,
 		.ctrlbit	= 0,
-	}
+	}, {
+		.name		= "usb-bus-host",
+		.id		= -1,
+		.parent		= &clk_usb_bus,
+	}, {
+		.name		= "usb-bus-gadget",
+		.id		= -1,
+		.parent		= &clk_usb_bus,
+	},
 };
 
 /* s3c2410_baseclk_add()
diff --git a/arch/arm/mach-s3c2410/s3c2410-gpio.c b/arch/arm/mach-s3c2410/s3c2410-gpio.c
index d5e1caea1d23..471a71490010 100644
--- a/arch/arm/mach-s3c2410/s3c2410-gpio.c
+++ b/arch/arm/mach-s3c2410/s3c2410-gpio.c
@@ -18,9 +18,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- * Changelog
- *	15-Jan-2006  LCVR  Splitted from gpio.c
  */
 
 #include <linux/kernel.h>
@@ -38,7 +35,7 @@
 int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
 			   unsigned int config)
 {
-	void __iomem *reg = S3C2410_EINFLT0;
+	void __iomem *reg = S3C24XX_EINFLT0;
 	unsigned long flags;
 	unsigned long val;
 
@@ -47,7 +44,7 @@ int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
 
 	config &= 0xff;
 
-	pin -= S3C2410_GPG8_EINT16;
+	pin -= S3C2410_GPG8;
 	reg += pin & ~3;
 
 	local_irq_save(flags);
@@ -61,10 +58,10 @@ int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on,
 
 	/* update filter enable */
 
-	val = __raw_readl(S3C2410_EXTINT2);
+	val = __raw_readl(S3C24XX_EXTINT2);
 	val &= ~(1 << ((pin * 4) + 3));
 	val |= on << ((pin * 4) + 3);
-	__raw_writel(val, S3C2410_EXTINT2);
+	__raw_writel(val, S3C24XX_EXTINT2);
 
 	local_irq_restore(flags);
 
@@ -75,7 +72,7 @@ EXPORT_SYMBOL(s3c2410_gpio_irqfilter);
 
 int s3c2410_gpio_getirq(unsigned int pin)
 {
-	if (pin < S3C2410_GPF0 || pin > S3C2410_GPG15_EINT23)
+	if (pin < S3C2410_GPF0 || pin > S3C2410_GPG15)
 		return -1;	/* not valid interrupts */
 
 	if (pin < S3C2410_GPG0 && pin > S3C2410_GPF7)
diff --git a/arch/arm/mach-s3c2410/s3c2412-clock.c b/arch/arm/mach-s3c2410/s3c2412-clock.c
new file mode 100644
index 000000000000..c95ed3e18580
--- /dev/null
+++ b/arch/arm/mach-s3c2410/s3c2412-clock.c
@@ -0,0 +1,711 @@
+/* linux/arch/arm/mach-s3c2410/s3c2412-clock.c
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2412,S3C2413 Clock control support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/sysdev.h>
+#include <linux/clk.h>
+#include <linux/mutex.h>
+#include <linux/delay.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+
+#include <asm/arch/regs-clock.h>
+#include <asm/arch/regs-gpio.h>
+
+#include "clock.h"
+#include "cpu.h"
+
+/* We currently have to assume that the system is running
+ * from the XTPll input, and that all ***REFCLKs are being
+ * fed from it, as we cannot read the state of OM[4] from
+ * software.
+ *
+ * It would be possible for each board initialisation to
+ * set the correct muxing at initialisation
+*/
+
+int s3c2412_clkcon_enable(struct clk *clk, int enable)
+{
+	unsigned int clocks = clk->ctrlbit;
+	unsigned long clkcon;
+
+	clkcon = __raw_readl(S3C2410_CLKCON);
+
+	if (enable)
+		clkcon |= clocks;
+	else
+		clkcon &= ~clocks;
+
+	__raw_writel(clkcon, S3C2410_CLKCON);
+
+	return 0;
+}
+
+static int s3c2412_upll_enable(struct clk *clk, int enable)
+{
+	unsigned long upllcon = __raw_readl(S3C2410_UPLLCON);
+	unsigned long orig = upllcon;
+
+	if (!enable)
+		upllcon |= S3C2412_PLLCON_OFF;
+	else
+		upllcon &= ~S3C2412_PLLCON_OFF;
+
+	__raw_writel(upllcon, S3C2410_UPLLCON);
+
+	/* allow ~150uS for the PLL to settle and lock */
+
+	if (enable && (orig & S3C2412_PLLCON_OFF))
+		udelay(150);
+
+	return 0;
+}
+
+/* clock selections */
+
+/* CPU EXTCLK input */
+static struct clk clk_ext = {
+	.name		= "extclk",
+	.id		= -1,
+};
+
+static struct clk clk_erefclk = {
+	.name		= "erefclk",
+	.id		= -1,
+};
+
+static struct clk clk_urefclk = {
+	.name		= "urefclk",
+	.id		= -1,
+};
+
+static int s3c2412_setparent_usysclk(struct clk *clk, struct clk *parent)
+{
+	unsigned long clksrc = __raw_readl(S3C2412_CLKSRC);
+
+	if (parent == &clk_urefclk)
+		clksrc &= ~S3C2412_CLKSRC_USYSCLK_UPLL;
+	else if (parent == &clk_upll)
+		clksrc |= S3C2412_CLKSRC_USYSCLK_UPLL;
+	else
+		return -EINVAL;
+
+	clk->parent = parent;
+
+	__raw_writel(clksrc, S3C2412_CLKSRC);
+	return 0;
+}
+
+static struct clk clk_usysclk = {
+	.name		= "usysclk",
+	.id		= -1,
+	.parent		= &clk_xtal,
+	.set_parent	= s3c2412_setparent_usysclk,
+};
+
+static struct clk clk_mrefclk = {
+	.name		= "mrefclk",
+	.parent		= &clk_xtal,
+	.id		= -1,
+};
+
+static struct clk clk_mdivclk = {
+	.name		= "mdivclk",
+	.parent		= &clk_xtal,
+	.id		= -1,
+};
+
+static int s3c2412_setparent_usbsrc(struct clk *clk, struct clk *parent)
+{
+	unsigned long clksrc = __raw_readl(S3C2412_CLKSRC);
+
+	if (parent == &clk_usysclk)
+		clksrc &= ~S3C2412_CLKSRC_USBCLK_HCLK;
+	else if (parent == &clk_h)
+		clksrc |= S3C2412_CLKSRC_USBCLK_HCLK;
+	else
+		return -EINVAL;
+
+	clk->parent = parent;
+
+	__raw_writel(clksrc, S3C2412_CLKSRC);
+	return 0;
+}
+
+static unsigned long s3c2412_roundrate_usbsrc(struct clk *clk,
+					      unsigned long rate)
+{
+	unsigned long parent_rate = clk_get_rate(clk->parent);
+	int div;
+
+	if (rate > parent_rate)
+		return parent_rate;
+
+	div = parent_rate / rate;
+	if (div > 2)
+		div = 2;
+
+	return parent_rate / div;
+}
+
+static unsigned long s3c2412_getrate_usbsrc(struct clk *clk)
+{
+	unsigned long parent_rate = clk_get_rate(clk->parent);
+	unsigned long div = __raw_readl(S3C2410_CLKDIVN);
+
+	return parent_rate / ((div & S3C2412_CLKDIVN_USB48DIV) ? 2 : 1);
+}
+
+static int s3c2412_setrate_usbsrc(struct clk *clk, unsigned long rate)
+{
+	unsigned long parent_rate = clk_get_rate(clk->parent);
+	unsigned long clkdivn = __raw_readl(S3C2410_CLKDIVN);
+
+	rate = s3c2412_roundrate_usbsrc(clk, rate);
+
+	if ((parent_rate / rate) == 2)
+		clkdivn |= S3C2412_CLKDIVN_USB48DIV;
+	else
+		clkdivn &= ~S3C2412_CLKDIVN_USB48DIV;
+
+	__raw_writel(clkdivn, S3C2410_CLKDIVN);
+	return 0;
+}
+
+static struct clk clk_usbsrc = {
+	.name		= "usbsrc",
+	.id		= -1,
+	.get_rate	= s3c2412_getrate_usbsrc,
+	.set_rate	= s3c2412_setrate_usbsrc,
+	.round_rate	= s3c2412_roundrate_usbsrc,
+	.set_parent	= s3c2412_setparent_usbsrc,
+};
+
+static int s3c2412_setparent_msysclk(struct clk *clk, struct clk *parent)
+{
+	unsigned long clksrc = __raw_readl(S3C2412_CLKSRC);
+
+	if (parent == &clk_mdivclk)
+		clksrc &= ~S3C2412_CLKSRC_MSYSCLK_MPLL;
+	else if (parent == &clk_upll)
+		clksrc |= S3C2412_CLKSRC_MSYSCLK_MPLL;
+	else
+		return -EINVAL;
+
+	clk->parent = parent;
+
+	__raw_writel(clksrc, S3C2412_CLKSRC);
+	return 0;
+}
+
+static struct clk clk_msysclk = {
+	.name		= "msysclk",
+	.id		= -1,
+	.set_parent	= s3c2412_setparent_msysclk,
+};
+
+/* these next clocks have an divider immediately after them,
+ * so we can register them with their divider and leave out the
+ * intermediate clock stage
+*/
+static unsigned long s3c2412_roundrate_clksrc(struct clk *clk,
+					      unsigned long rate)
+{
+	unsigned long parent_rate = clk_get_rate(clk->parent);
+	int div;
+
+	if (rate > parent_rate)
+		return parent_rate;
+
+	/* note, we remove the +/- 1 calculations as they cancel out */
+
+	div = (rate / parent_rate);
+
+	if (div < 1)
+		div = 1;
+	else if (div > 16)
+		div = 16;
+
+	return parent_rate / div;
+}
+
+static int s3c2412_setparent_uart(struct clk *clk, struct clk *parent)
+{
+	unsigned long clksrc = __raw_readl(S3C2412_CLKSRC);
+
+	if (parent == &clk_erefclk)
+		clksrc &= ~S3C2412_CLKSRC_UARTCLK_MPLL;
+	else if (parent == &clk_mpll)
+		clksrc |= S3C2412_CLKSRC_UARTCLK_MPLL;
+	else
+		return -EINVAL;
+
+	clk->parent = parent;
+
+	__raw_writel(clksrc, S3C2412_CLKSRC);
+	return 0;
+}
+
+static unsigned long s3c2412_getrate_uart(struct clk *clk)
+{
+	unsigned long parent_rate = clk_get_rate(clk->parent);
+	unsigned long div = __raw_readl(S3C2410_CLKDIVN);
+
+	div &= S3C2412_CLKDIVN_UARTDIV_MASK;
+	div >>= S3C2412_CLKDIVN_UARTDIV_SHIFT;
+
+	return parent_rate / (div + 1);
+}
+
+static int s3c2412_setrate_uart(struct clk *clk, unsigned long rate)
+{
+	unsigned long parent_rate = clk_get_rate(clk->parent);
+	unsigned long clkdivn = __raw_readl(S3C2410_CLKDIVN);
+
+	rate = s3c2412_roundrate_clksrc(clk, rate);
+
+	clkdivn &= ~S3C2412_CLKDIVN_UARTDIV_MASK;
+	clkdivn |= ((parent_rate / rate) - 1) << S3C2412_CLKDIVN_UARTDIV_SHIFT;
+
+	__raw_writel(clkdivn, S3C2410_CLKDIVN);
+	return 0;
+}
+
+static struct clk clk_uart = {
+	.name		= "uartclk",
+	.id		= -1,
+	.get_rate	= s3c2412_getrate_uart,
+	.set_rate	= s3c2412_setrate_uart,
+	.set_parent	= s3c2412_setparent_uart,
+	.round_rate	= s3c2412_roundrate_clksrc,
+};
+
+static int s3c2412_setparent_i2s(struct clk *clk, struct clk *parent)
+{
+	unsigned long clksrc = __raw_readl(S3C2412_CLKSRC);
+
+	if (parent == &clk_erefclk)
+		clksrc &= ~S3C2412_CLKSRC_I2SCLK_MPLL;
+	else if (parent == &clk_mpll)
+		clksrc |= S3C2412_CLKSRC_I2SCLK_MPLL;
+	else
+		return -EINVAL;
+
+	clk->parent = parent;
+
+	__raw_writel(clksrc, S3C2412_CLKSRC);
+	return 0;
+}
+
+static unsigned long s3c2412_getrate_i2s(struct clk *clk)
+{
+	unsigned long parent_rate = clk_get_rate(clk->parent);
+	unsigned long div = __raw_readl(S3C2410_CLKDIVN);
+
+	div &= S3C2412_CLKDIVN_I2SDIV_MASK;
+	div >>= S3C2412_CLKDIVN_I2SDIV_SHIFT;
+
+	return parent_rate / (div + 1);
+}
+
+static int s3c2412_setrate_i2s(struct clk *clk, unsigned long rate)
+{
+	unsigned long parent_rate = clk_get_rate(clk->parent);
+	unsigned long clkdivn = __raw_readl(S3C2410_CLKDIVN);
+
+	rate = s3c2412_roundrate_clksrc(clk, rate);
+
+	clkdivn &= ~S3C2412_CLKDIVN_I2SDIV_MASK;
+	clkdivn |= ((parent_rate / rate) - 1) << S3C2412_CLKDIVN_I2SDIV_SHIFT;
+
+	__raw_writel(clkdivn, S3C2410_CLKDIVN);
+	return 0;
+}
+
+static struct clk clk_i2s = {
+	.name		= "i2sclk",
+	.id		= -1,
+	.get_rate	= s3c2412_getrate_i2s,
+	.set_rate	= s3c2412_setrate_i2s,
+	.set_parent	= s3c2412_setparent_i2s,
+	.round_rate	= s3c2412_roundrate_clksrc,
+};
+
+static int s3c2412_setparent_cam(struct clk *clk, struct clk *parent)
+{
+	unsigned long clksrc = __raw_readl(S3C2412_CLKSRC);
+
+	if (parent == &clk_usysclk)
+		clksrc &= ~S3C2412_CLKSRC_CAMCLK_HCLK;
+	else if (parent == &clk_h)
+		clksrc |= S3C2412_CLKSRC_CAMCLK_HCLK;
+	else
+		return -EINVAL;
+
+	clk->parent = parent;
+
+	__raw_writel(clksrc, S3C2412_CLKSRC);
+	return 0;
+}
+static unsigned long s3c2412_getrate_cam(struct clk *clk)
+{
+	unsigned long parent_rate = clk_get_rate(clk->parent);
+	unsigned long div = __raw_readl(S3C2410_CLKDIVN);
+
+	div &= S3C2412_CLKDIVN_CAMDIV_MASK;
+	div >>= S3C2412_CLKDIVN_CAMDIV_SHIFT;
+
+	return parent_rate / (div + 1);
+}
+
+static int s3c2412_setrate_cam(struct clk *clk, unsigned long rate)
+{
+	unsigned long parent_rate = clk_get_rate(clk->parent);
+	unsigned long clkdivn = __raw_readl(S3C2410_CLKDIVN);
+
+	rate = s3c2412_roundrate_clksrc(clk, rate);
+
+	clkdivn &= ~S3C2412_CLKDIVN_CAMDIV_MASK;
+	clkdivn |= ((parent_rate / rate) - 1) << S3C2412_CLKDIVN_CAMDIV_SHIFT;
+
+	__raw_writel(clkdivn, S3C2410_CLKDIVN);
+	return 0;
+}
+
+static struct clk clk_cam = {
+	.name		= "camif-upll",	/* same as 2440 name */
+	.id		= -1,
+	.get_rate	= s3c2412_getrate_cam,
+	.set_rate	= s3c2412_setrate_cam,
+	.set_parent	= s3c2412_setparent_cam,
+	.round_rate	= s3c2412_roundrate_clksrc,
+};
+
+/* standard clock definitions */
+
+static struct clk init_clocks_disable[] = {
+	{
+		.name		= "nand",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_NAND,
+	}, {
+		.name		= "sdi",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_SDI,
+	}, {
+		.name		= "adc",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_ADC,
+	}, {
+		.name		= "i2c",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_IIC,
+	}, {
+		.name		= "iis",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_IIS,
+	}, {
+		.name		= "spi",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_SPI,
+	}
+};
+
+static struct clk init_clocks[] = {
+	{
+		.name		= "dma",
+		.id		= 0,
+		.parent		= &clk_h,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_DMA0,
+	}, {
+		.name		= "dma",
+		.id		= 1,
+		.parent		= &clk_h,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_DMA1,
+	}, {
+		.name		= "dma",
+		.id		= 2,
+		.parent		= &clk_h,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_DMA2,
+	}, {
+		.name		= "dma",
+		.id		= 3,
+		.parent		= &clk_h,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_DMA3,
+	}, {
+		.name		= "lcd",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_LCDC,
+	}, {
+		.name		= "gpio",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_GPIO,
+	}, {
+		.name		= "usb-host",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_USBH,
+	}, {
+		.name		= "usb-device",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_USBD,
+	}, {
+		.name		= "timers",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_PWMT,
+	}, {
+		.name		= "uart",
+		.id		= 0,
+		.parent		= &clk_p,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_UART0,
+	}, {
+		.name		= "uart",
+		.id		= 1,
+		.parent		= &clk_p,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_UART1,
+	}, {
+		.name		= "uart",
+		.id		= 2,
+		.parent		= &clk_p,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_UART2,
+	}, {
+		.name		= "rtc",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_RTC,
+	}, {
+		.name		= "watchdog",
+		.id		= -1,
+		.parent		= &clk_p,
+		.ctrlbit	= 0,
+	}, {
+		.name		= "usb-bus-gadget",
+		.id		= -1,
+		.parent		= &clk_usb_bus,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_USB_DEV48,
+	}, {
+		.name		= "usb-bus-host",
+		.id		= -1,
+		.parent		= &clk_usb_bus,
+		.enable		= s3c2412_clkcon_enable,
+		.ctrlbit	= S3C2412_CLKCON_USB_HOST48,
+	}
+};
+
+/* clocks to add where we need to check their parentage */
+
+struct clk_init {
+	struct clk	*clk;
+	unsigned int	 bit;
+	struct clk	*src_0;
+	struct clk	*src_1;
+};
+
+struct clk_init clks_src[] __initdata = {
+	{
+		.clk	= &clk_usysclk,
+		.bit	= S3C2412_CLKSRC_USBCLK_HCLK,
+		.src_0	= &clk_urefclk,
+		.src_1	= &clk_upll,
+	}, {
+		.clk	= &clk_i2s,
+		.bit	= S3C2412_CLKSRC_I2SCLK_MPLL,
+		.src_0	= &clk_erefclk,
+		.src_1	= &clk_mpll,
+	}, {
+		.clk	= &clk_cam,
+		.bit	= S3C2412_CLKSRC_CAMCLK_HCLK,
+		.src_0	= &clk_usysclk,
+		.src_1	= &clk_h,
+	}, {
+		.clk	= &clk_msysclk,
+		.bit	= S3C2412_CLKSRC_MSYSCLK_MPLL,
+		.src_0	= &clk_mdivclk,
+		.src_1	= &clk_mpll,
+	}, {
+		.clk	= &clk_uart,
+		.bit	= S3C2412_CLKSRC_UARTCLK_MPLL,
+		.src_0	= &clk_erefclk,
+		.src_1	= &clk_mpll,
+	}, {
+		.clk	= &clk_usbsrc,
+		.bit	= S3C2412_CLKSRC_USBCLK_HCLK,
+		.src_0	= &clk_usysclk,
+		.src_1	= &clk_h,
+	},
+};
+
+/* s3c2412_clk_initparents
+ *
+ * Initialise the parents for the clocks that we get at start-time
+*/
+
+static void __init s3c2412_clk_initparents(void)
+{
+	unsigned long clksrc = __raw_readl(S3C2412_CLKSRC);
+	struct clk_init *cip = clks_src;
+	struct clk *src;
+	int ptr;
+	int ret;
+
+	for (ptr = 0; ptr < ARRAY_SIZE(clks_src); ptr++, cip++) {
+		ret = s3c24xx_register_clock(cip->clk);
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       cip->clk->name, ret);
+		}
+
+		src = (clksrc & cip->bit) ? cip->src_1 : cip->src_0;
+
+		printk(KERN_INFO "%s: parent %s\n", cip->clk->name, src->name);
+		clk_set_parent(cip->clk, src);
+	}
+}
+
+/* clocks to add straight away */
+
+struct clk *clks[] __initdata = {
+	&clk_ext,
+	&clk_usb_bus,
+	&clk_erefclk,
+	&clk_urefclk,
+	&clk_mrefclk,
+};
+
+int __init s3c2412_baseclk_add(void)
+{
+	unsigned long clkcon  = __raw_readl(S3C2410_CLKCON);
+	struct clk *clkp;
+	int ret;
+	int ptr;
+
+	clk_upll.enable = s3c2412_upll_enable;
+	clk_usb_bus.parent = &clk_usbsrc;
+	clk_usb_bus.rate = 0x0;
+
+	s3c2412_clk_initparents();
+
+	for (ptr = 0; ptr < ARRAY_SIZE(clks); ptr++) {
+		clkp = clks[ptr];
+
+		ret = s3c24xx_register_clock(clkp);
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       clkp->name, ret);
+		}
+	}
+
+	/* ensure usb bus clock is within correct rate of 48MHz */
+
+	if (clk_get_rate(&clk_usb_bus) != (48 * 1000 * 1000)) {
+		printk(KERN_INFO "Warning: USB bus clock not at 48MHz\n");
+
+		/* for the moment, let's use the UPLL, and see if we can
+		 * get 48MHz */
+
+		clk_set_parent(&clk_usysclk, &clk_upll);
+		clk_set_parent(&clk_usbsrc, &clk_usysclk);
+		clk_set_rate(&clk_usbsrc, 48*1000*1000);
+	}
+
+	printk("S3C2412: upll %s, %ld.%03ld MHz, usb-bus %ld.%03ld MHz\n",
+	       (__raw_readl(S3C2410_UPLLCON) & S3C2412_PLLCON_OFF) ? "off":"on",
+	       print_mhz(clk_get_rate(&clk_upll)),
+	       print_mhz(clk_get_rate(&clk_usb_bus)));
+
+	/* register clocks from clock array */
+
+	clkp = init_clocks;
+	for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) {
+		/* ensure that we note the clock state */
+
+		clkp->usage = clkcon & clkp->ctrlbit ? 1 : 0;
+
+		ret = s3c24xx_register_clock(clkp);
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       clkp->name, ret);
+		}
+	}
+
+	/* We must be careful disabling the clocks we are not intending to
+	 * be using at boot time, as subsytems such as the LCD which do
+	 * their own DMA requests to the bus can cause the system to lockup
+	 * if they where in the middle of requesting bus access.
+	 *
+	 * Disabling the LCD clock if the LCD is active is very dangerous,
+	 * and therefore the bootloader should be careful to not enable
+	 * the LCD clock if it is not needed.
+	*/
+
+	/* install (and disable) the clocks we do not need immediately */
+
+	clkp = init_clocks_disable;
+	for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
+
+		ret = s3c24xx_register_clock(clkp);
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       clkp->name, ret);
+		}
+
+		s3c2412_clkcon_enable(clkp, 0);
+	}
+
+	return 0;
+}
diff --git a/arch/arm/mach-s3c2410/s3c2412.c b/arch/arm/mach-s3c2410/s3c2412.c
new file mode 100644
index 000000000000..e24ffd5e478b
--- /dev/null
+++ b/arch/arm/mach-s3c2410/s3c2412.c
@@ -0,0 +1,195 @@
+/* linux/arch/arm/mach-s3c2410/s3c2412.c
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * http://armlinux.simtec.co.uk/.
+ *
+ * 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.
+ *
+ * Modifications:
+ *     16-May-2003 BJD  Created initial version
+ *     16-Aug-2003 BJD  Fixed header files and copyright, added URL
+ *     05-Sep-2003 BJD  Moved to kernel v2.6
+ *     18-Jan-2004 BJD  Added serial port configuration
+ *     21-Aug-2004 BJD  Added new struct s3c2410_board handler
+ *     28-Sep-2004 BJD  Updates for new serial port bits
+ *     04-Nov-2004 BJD  Updated UART configuration process
+ *     10-Jan-2005 BJD  Removed s3c2410_clock_tick_rate
+ *     13-Aug-2005 DA   Removed UART from initial I/O mappings
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/sysdev.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+
+#include <asm/arch/regs-clock.h>
+#include <asm/arch/regs-serial.h>
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/regs-gpioj.h>
+#include <asm/arch/regs-dsc.h>
+
+#include "s3c2412.h"
+#include "cpu.h"
+#include "devs.h"
+#include "clock.h"
+#include "pm.h"
+
+#ifndef CONFIG_CPU_S3C2412_ONLY
+void __iomem *s3c24xx_va_gpio2 = S3C24XX_VA_GPIO;
+#endif
+
+/* Initial IO mappings */
+
+static struct map_desc s3c2412_iodesc[] __initdata = {
+	IODESC_ENT(CLKPWR),
+	IODESC_ENT(LCD),
+	IODESC_ENT(TIMER),
+	IODESC_ENT(ADC),
+	IODESC_ENT(WATCHDOG),
+};
+
+/* uart registration process */
+
+void __init s3c2412_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	s3c24xx_init_uartdevs("s3c2412-uart", s3c2410_uart_resources, cfg, no);
+
+	/* rename devices that are s3c2412/s3c2413 specific */
+	s3c_device_sdi.name  = "s3c2412-sdi";
+	s3c_device_nand.name = "s3c2412-nand";
+}
+
+/* s3c2412_map_io
+ *
+ * register the standard cpu IO areas, and any passed in from the
+ * machine specific initialisation.
+*/
+
+void __init s3c2412_map_io(struct map_desc *mach_desc, int mach_size)
+{
+	/* move base of IO */
+
+	s3c24xx_va_gpio2 = S3C24XX_VA_GPIO + 0x10;
+
+	/* register our io-tables */
+
+	iotable_init(s3c2412_iodesc, ARRAY_SIZE(s3c2412_iodesc));
+	iotable_init(mach_desc, mach_size);
+}
+
+void __init s3c2412_init_clocks(int xtal)
+{
+	unsigned long tmp;
+	unsigned long fclk;
+	unsigned long hclk;
+	unsigned long pclk;
+
+	/* now we've got our machine bits initialised, work out what
+	 * clocks we've got */
+
+	fclk = s3c2410_get_pll(__raw_readl(S3C2410_MPLLCON), xtal*2);
+
+	tmp = __raw_readl(S3C2410_CLKDIVN);
+
+	/* work out clock scalings */
+
+	hclk = fclk / ((tmp & S3C2412_CLKDIVN_HDIVN_MASK) + 1);
+	hclk /= ((tmp & S3C2421_CLKDIVN_ARMDIVN) ? 2 : 1);
+	pclk = hclk / ((tmp & S3C2412_CLKDIVN_PDIVN) ? 2 : 1);
+
+	/* print brieft summary of clocks, etc */
+
+	printk("S3C2412: core %ld.%03ld MHz, memory %ld.%03ld MHz, peripheral %ld.%03ld MHz\n",
+	       print_mhz(fclk), print_mhz(hclk), print_mhz(pclk));
+
+	/* initialise the clocks here, to allow other things like the
+	 * console to use them
+	 */
+
+	s3c24xx_setup_clocks(xtal, fclk, hclk, pclk);
+	s3c2412_baseclk_add();
+}
+
+/* need to register class before we actually register the device, and
+ * we also need to ensure that it has been initialised before any of the
+ * drivers even try to use it (even if not on an s3c2412 based system)
+ * as a driver which may support both 2410 and 2440 may try and use it.
+*/
+
+#ifdef CONFIG_PM
+static struct sleep_save s3c2412_sleep[] = {
+	SAVE_ITEM(S3C2412_DSC0),
+	SAVE_ITEM(S3C2412_DSC1),
+	SAVE_ITEM(S3C2413_GPJDAT),
+	SAVE_ITEM(S3C2413_GPJCON),
+	SAVE_ITEM(S3C2413_GPJUP),
+
+	/* save the sleep configuration anyway, just in case these
+	 * get damaged during wakeup */
+
+	SAVE_ITEM(S3C2412_GPBSLPCON),
+	SAVE_ITEM(S3C2412_GPCSLPCON),
+	SAVE_ITEM(S3C2412_GPDSLPCON),
+	SAVE_ITEM(S3C2412_GPESLPCON),
+	SAVE_ITEM(S3C2412_GPFSLPCON),
+	SAVE_ITEM(S3C2412_GPGSLPCON),
+	SAVE_ITEM(S3C2412_GPHSLPCON),
+	SAVE_ITEM(S3C2413_GPJSLPCON),
+};
+
+static int s3c2412_suspend(struct sys_device *dev, pm_message_t state)
+{
+	s3c2410_pm_do_save(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep));
+	return 0;
+}
+
+static int s3c2412_resume(struct sys_device *dev)
+{
+	s3c2410_pm_do_restore(s3c2412_sleep, ARRAY_SIZE(s3c2412_sleep));
+	return 0;
+}
+
+#else
+#define s3c2412_suspend NULL
+#define s3c2412_resume  NULL
+#endif
+
+struct sysdev_class s3c2412_sysclass = {
+	set_kset_name("s3c2412-core"),
+	.suspend	= s3c2412_suspend,
+	.resume		= s3c2412_resume
+};
+
+static int __init s3c2412_core_init(void)
+{
+	return sysdev_class_register(&s3c2412_sysclass);
+}
+
+core_initcall(s3c2412_core_init);
+
+static struct sys_device s3c2412_sysdev = {
+	.cls		= &s3c2412_sysclass,
+};
+
+int __init s3c2412_init(void)
+{
+	printk("S3C2412: Initialising architecture\n");
+
+	return sysdev_register(&s3c2412_sysdev);
+}
diff --git a/arch/arm/mach-s3c2410/s3c2412.h b/arch/arm/mach-s3c2410/s3c2412.h
new file mode 100644
index 000000000000..c6e56032a6e7
--- /dev/null
+++ b/arch/arm/mach-s3c2410/s3c2412.h
@@ -0,0 +1,29 @@
+/* arch/arm/mach-s3c2410/s3c2412.h
+ *
+ * Copyright (c) 2006 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * Header file for s3c2412 cpu support
+ *
+ * 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.
+*/
+
+#ifdef CONFIG_CPU_S3C2412
+
+extern  int s3c2412_init(void);
+
+extern void s3c2412_map_io(struct map_desc *mach_desc, int size);
+
+extern void s3c2412_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+
+extern void s3c2412_init_clocks(int xtal);
+
+extern  int s3c2412_baseclk_add(void);
+#else
+#define s3c2412_init_clocks NULL
+#define s3c2412_init_uarts NULL
+#define s3c2412_map_io NULL
+#define s3c2412_init NULL
+#endif
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 4221d054a1e9..ecf5e232a6fc 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -61,9 +61,9 @@ config CPU_ARM720T
 
 # ARM920T
 config CPU_ARM920T
-	bool "Support ARM920T processor" if !ARCH_S3C2410
-	depends on ARCH_EP93XX || ARCH_INTEGRATOR || ARCH_S3C2410 || ARCH_IMX || ARCH_AAEC2000 || ARCH_AT91RM9200
-	default y if ARCH_S3C2410 || ARCH_AT91RM9200
+	bool "Support ARM920T processor"
+	depends on ARCH_EP93XX || ARCH_INTEGRATOR || CPU_S3C2410 || CPU_S3C2440 || CPU_S3C2442 || ARCH_IMX || ARCH_AAEC2000 || ARCH_AT91RM9200
+	default y if CPU_S3C2410 || CPU_S3C2440 || CPU_S3C2442 || ARCH_AT91RM9200
 	select CPU_32v4
 	select CPU_ABRT_EV4T
 	select CPU_CACHE_V4WT
@@ -121,8 +121,8 @@ config CPU_ARM925T
 # ARM926T
 config CPU_ARM926T
 	bool "Support ARM926T processor"
-	depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX
-	default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX
+	depends on ARCH_INTEGRATOR || ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || MACH_REALVIEW_EB || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412
+	default y if ARCH_VERSATILE_PB || MACH_VERSATILE_AB || ARCH_OMAP730 || ARCH_OMAP16XX || ARCH_PNX4008 || ARCH_NETX || CPU_S3C2412
 	select CPU_32v5
 	select CPU_ABRT_EV5TJ
 	select CPU_CACHE_VIVT