Merge branch 'dt/gic' into imx/imx6q

143 files changed, 628 insertions, 1466 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ca2e1b40e0b5..0c5f37f4eddb 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -196,7 +196,8 @@ config VECTORS_BASE
 	  The base address of exception vectors.
 
 config ARM_PATCH_PHYS_VIRT
-	bool "Patch physical to virtual translations at runtime"
+	bool "Patch physical to virtual translations at runtime" if EMBEDDED
+	default y
 	depends on !XIP_KERNEL && MMU
 	depends on !ARCH_REALVIEW || !SPARSEMEM
 	help
@@ -205,16 +206,25 @@ config ARM_PATCH_PHYS_VIRT
 	  kernel in system memory.
 
 	  This can only be used with non-XIP MMU kernels where the base
-	  of physical memory is at a 16MB boundary, or theoretically 64K
-	  for the MSM machine class.
+	  of physical memory is at a 16MB boundary.
 
-config ARM_PATCH_PHYS_VIRT_16BIT
-	def_bool y
-	depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM
+	  Only disable this option if you know that you do not require
+	  this feature (eg, building a kernel for a single machine) and
+	  you need to shrink the kernel to the minimal size.
+
+config NEED_MACH_MEMORY_H
+	bool
+	help
+	  Select this when mach/memory.h is required to provide special
+	  definitions for this platform.  The need for mach/memory.h should
+	  be avoided when possible.
+
+config PHYS_OFFSET
+	hex "Physical address of main memory"
+	depends on !ARM_PATCH_PHYS_VIRT && !NEED_MACH_MEMORY_H
 	help
-	  This option extends the physical to virtual translation patching
-	  to allow physical memory down to a theoretical minimum of 64K
-	  boundaries.
+	  Please provide the physical address corresponding to the
+	  location of main memory in your system.
 
 source "init/Kconfig"
 
@@ -247,6 +257,7 @@ config ARCH_INTEGRATOR
 	select GENERIC_CLOCKEVENTS
 	select PLAT_VERSATILE
 	select PLAT_VERSATILE_FPGA_IRQ
+	select NEED_MACH_MEMORY_H
 	help
 	  Support for ARM's Integrator platform.
 
@@ -262,6 +273,7 @@ config ARCH_REALVIEW
 	select PLAT_VERSATILE_CLCD
 	select ARM_TIMER_SP804
 	select GPIO_PL061 if GPIOLIB
+	select NEED_MACH_MEMORY_H
 	help
 	  This enables support for ARM Ltd RealView boards.
 
@@ -302,7 +314,6 @@ config ARCH_AT91
 	select ARCH_REQUIRE_GPIOLIB
 	select HAVE_CLK
 	select CLKDEV_LOOKUP
-	select ARM_PATCH_PHYS_VIRT if MMU
 	help
 	  This enables support for systems based on the Atmel AT91RM9200,
 	  AT91SAM9 and AT91CAP9 processors.
@@ -323,6 +334,7 @@ config ARCH_CLPS711X
 	bool "Cirrus Logic CLPS711x/EP721x-based"
 	select CPU_ARM720T
 	select ARCH_USES_GETTIMEOFFSET
+	select NEED_MACH_MEMORY_H
 	help
 	  Support for Cirrus Logic 711x/721x based boards.
 
@@ -363,6 +375,7 @@ config ARCH_EBSA110
 	select ISA
 	select NO_IOPORT
 	select ARCH_USES_GETTIMEOFFSET
+	select NEED_MACH_MEMORY_H
 	help
 	  This is an evaluation board for the StrongARM processor available
 	  from Digital. It has limited hardware on-board, including an
@@ -378,6 +391,7 @@ config ARCH_EP93XX
 	select ARCH_REQUIRE_GPIOLIB
 	select ARCH_HAS_HOLES_MEMORYMODEL
 	select ARCH_USES_GETTIMEOFFSET
+	select NEED_MEMORY_H
 	help
 	  This enables support for the Cirrus EP93xx series of CPUs.
 
@@ -386,6 +400,7 @@ config ARCH_FOOTBRIDGE
 	select CPU_SA110
 	select FOOTBRIDGE
 	select GENERIC_CLOCKEVENTS
+	select NEED_MACH_MEMORY_H
 	help
 	  Support for systems based on the DC21285 companion chip
 	  ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
@@ -435,6 +450,7 @@ config ARCH_IOP13XX
 	select PCI
 	select ARCH_SUPPORTS_MSI
 	select VMSPLIT_1G
+	select NEED_MACH_MEMORY_H
 	help
 	  Support for Intel's IOP13XX (XScale) family of processors.
 
@@ -465,6 +481,7 @@ config ARCH_IXP23XX
 	select CPU_XSC3
  	select PCI
 	select ARCH_USES_GETTIMEOFFSET
+	select NEED_MACH_MEMORY_H
 	help
 	  Support for Intel's IXP23xx (XScale) family of processors.
 
@@ -474,6 +491,7 @@ config ARCH_IXP2000
 	select CPU_XSCALE
 	select PCI
 	select ARCH_USES_GETTIMEOFFSET
+	select NEED_MACH_MEMORY_H
 	help
 	  Support for Intel's IXP2400/2800 (XScale) family of processors.
 
@@ -567,6 +585,7 @@ config ARCH_KS8695
 	select CPU_ARM922T
 	select ARCH_REQUIRE_GPIOLIB
 	select ARCH_USES_GETTIMEOFFSET
+	select NEED_MACH_MEMORY_H
 	help
 	  Support for Micrel/Kendin KS8695 "Centaur" (ARM922T) based
 	  System-on-Chip devices.
@@ -658,6 +677,7 @@ config ARCH_SHMOBILE
 	select SPARSE_IRQ
 	select MULTI_IRQ_HANDLER
 	select PM_GENERIC_DOMAINS if PM
+	select NEED_MACH_MEMORY_H
 	help
 	  Support for Renesas's SH-Mobile and R-Mobile ARM platforms.
 
@@ -672,6 +692,7 @@ config ARCH_RPC
 	select NO_IOPORT
 	select ARCH_SPARSEMEM_ENABLE
 	select ARCH_USES_GETTIMEOFFSET
+	select NEED_MACH_MEMORY_H
 	help
 	  On the Acorn Risc-PC, Linux can support the internal IDE disk and
 	  CD-ROM interface, serial and parallel port, and the floppy drive.
@@ -690,6 +711,7 @@ config ARCH_SA1100
 	select HAVE_SCHED_CLOCK
 	select TICK_ONESHOT
 	select ARCH_REQUIRE_GPIOLIB
+	select NEED_MACH_MEMORY_H
 	help
 	  Support for StrongARM 11x0 based boards.
 
@@ -782,6 +804,7 @@ config ARCH_S5PV210
 	select HAVE_S3C2410_I2C if I2C
 	select HAVE_S3C_RTC if RTC_CLASS
 	select HAVE_S3C2410_WATCHDOG if WATCHDOG
+	select NEED_MACH_MEMORY_H
 	help
 	  Samsung S5PV210/S5PC110 series based systems
 
@@ -798,6 +821,7 @@ config ARCH_EXYNOS4
 	select HAVE_S3C_RTC if RTC_CLASS
 	select HAVE_S3C2410_I2C if I2C
 	select HAVE_S3C2410_WATCHDOG if WATCHDOG
+	select NEED_MACH_MEMORY_H
 	help
 	  Samsung EXYNOS4 series based systems
 
@@ -809,6 +833,7 @@ config ARCH_SHARK
 	select ZONE_DMA
 	select PCI
 	select ARCH_USES_GETTIMEOFFSET
+	select NEED_MACH_MEMORY_H
 	help
 	  Support for the StrongARM based Digital DNARD machine, also known
 	  as "Shark" (<http://www.shark-linux.de/shark.html>).
@@ -836,6 +861,7 @@ config ARCH_U300
 	select CLKDEV_LOOKUP
 	select HAVE_MACH_CLKDEV
 	select GENERIC_GPIO
+	select NEED_MACH_MEMORY_H
 	help
 	  Support for ST-Ericsson U300 series mobile platforms.
 
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 70c424eaf7b0..5665c2a3b652 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -128,6 +128,9 @@ textofs-$(CONFIG_PM_H1940)      := 0x00108000
 ifeq ($(CONFIG_ARCH_SA1100),y)
 textofs-$(CONFIG_SA1111) := 0x00208000
 endif
+textofs-$(CONFIG_ARCH_MSM7X30) := 0x00208000
+textofs-$(CONFIG_ARCH_MSM8X60) := 0x00208000
+textofs-$(CONFIG_ARCH_MSM8960) := 0x00208000
 
 # Machine directory name.  This list is sorted alphanumerically
 # by CONFIG_* macro name.
diff --git a/arch/arm/common/Kconfig b/arch/arm/common/Kconfig
index 4b71766fb21d..74df9ca2be31 100644
--- a/arch/arm/common/Kconfig
+++ b/arch/arm/common/Kconfig
@@ -1,4 +1,5 @@
 config ARM_GIC
+	select IRQ_DOMAIN
 	bool
 
 config ARM_VIC
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index 8b5be72eb9b9..9d77777076f0 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -24,11 +24,20 @@
  */
 #include <linux/init.h>
 #include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/export.h>
 #include <linux/list.h>
 #include <linux/smp.h>
 #include <linux/cpu_pm.h>
 #include <linux/cpumask.h>
 #include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/irqdomain.h>
+#include <linux/interrupt.h>
+#include <linux/percpu.h>
+#include <linux/slab.h>
 
 #include <asm/irq.h>
 #include <asm/mach/irq.h>
@@ -72,8 +81,7 @@ static inline void __iomem *gic_cpu_base(struct irq_data *d)
 
 static inline unsigned int gic_irq(struct irq_data *d)
 {
-	struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d);
-	return d->irq - gic_data->irq_offset;
+	return d->hwirq;
 }
 
 /*
@@ -81,7 +89,7 @@ static inline unsigned int gic_irq(struct irq_data *d)
  */
 static void gic_mask_irq(struct irq_data *d)
 {
-	u32 mask = 1 << (d->irq % 32);
+	u32 mask = 1 << (gic_irq(d) % 32);
 
 	spin_lock(&irq_controller_lock);
 	writel_relaxed(mask, gic_dist_base(d) + GIC_DIST_ENABLE_CLEAR + (gic_irq(d) / 32) * 4);
@@ -92,7 +100,7 @@ static void gic_mask_irq(struct irq_data *d)
 
 static void gic_unmask_irq(struct irq_data *d)
 {
-	u32 mask = 1 << (d->irq % 32);
+	u32 mask = 1 << (gic_irq(d) % 32);
 
 	spin_lock(&irq_controller_lock);
 	if (gic_arch_extn.irq_unmask)
@@ -173,7 +181,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
 			    bool force)
 {
 	void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3);
-	unsigned int shift = (d->irq % 4) * 8;
+	unsigned int shift = (gic_irq(d) % 4) * 8;
 	unsigned int cpu = cpumask_any_and(mask_val, cpu_online_mask);
 	u32 val, mask, bit;
 
@@ -224,7 +232,7 @@ static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
 	if (gic_irq == 1023)
 		goto out;
 
-	cascade_irq = gic_irq + chip_data->irq_offset;
+	cascade_irq = irq_domain_to_irq(&chip_data->domain, gic_irq);
 	if (unlikely(gic_irq < 32 || gic_irq > 1020 || cascade_irq >= NR_IRQS))
 		do_bad_IRQ(cascade_irq, desc);
 	else
@@ -256,11 +264,12 @@ void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq)
 	irq_set_chained_handler(irq, gic_handle_cascade_irq);
 }
 
-static void __init gic_dist_init(struct gic_chip_data *gic,
-	unsigned int irq_start)
+static void __init gic_dist_init(struct gic_chip_data *gic)
 {
-	unsigned int gic_irqs, irq_limit, i;
+	unsigned int i, irq;
 	u32 cpumask;
+	unsigned int gic_irqs = gic->gic_irqs;
+	struct irq_domain *domain = &gic->domain;
 	void __iomem *base = gic->dist_base;
 	u32 cpu = 0;
 
@@ -275,17 +284,6 @@ static void __init gic_dist_init(struct gic_chip_data *gic,
 	writel_relaxed(0, base + GIC_DIST_CTRL);
 
 	/*
-	 * Find out how many interrupts are supported.
-	 * The GIC only supports up to 1020 interrupt sources.
-	 */
-	gic_irqs = readl_relaxed(base + GIC_DIST_CTR) & 0x1f;
-	gic_irqs = (gic_irqs + 1) * 32;
-	if (gic_irqs > 1020)
-		gic_irqs = 1020;
-
-	gic->gic_irqs = gic_irqs;
-
-	/*
 	 * Set all global interrupts to be level triggered, active low.
 	 */
 	for (i = 32; i < gic_irqs; i += 16)
@@ -311,19 +309,20 @@ static void __init gic_dist_init(struct gic_chip_data *gic,
 		writel_relaxed(0xffffffff, base + GIC_DIST_ENABLE_CLEAR + i * 4 / 32);
 
 	/*
-	 * Limit number of interrupts registered to the platform maximum
-	 */
-	irq_limit = gic->irq_offset + gic_irqs;
-	if (WARN_ON(irq_limit > NR_IRQS))
-		irq_limit = NR_IRQS;
-
-	/*
 	 * Setup the Linux IRQ subsystem.
 	 */
-	for (i = irq_start; i < irq_limit; i++) {
-		irq_set_chip_and_handler(i, &gic_chip, handle_fasteoi_irq);
-		irq_set_chip_data(i, gic);
-		set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
+	irq_domain_for_each_irq(domain, i, irq) {
+		if (i < 32) {
+			irq_set_percpu_devid(irq);
+			irq_set_chip_and_handler(irq, &gic_chip,
+						 handle_percpu_devid_irq);
+			set_irq_flags(irq, IRQF_VALID | IRQF_NOAUTOEN);
+		} else {
+			irq_set_chip_and_handler(irq, &gic_chip,
+						 handle_fasteoi_irq);
+			set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+		}
+		irq_set_chip_data(irq, gic);
 	}
 
 	writel_relaxed(1, base + GIC_DIST_CTRL);
@@ -535,23 +534,85 @@ static void __init gic_pm_init(struct gic_chip_data *gic)
 }
 #endif
 
-void __init gic_init(unsigned int gic_nr, unsigned int irq_start,
+#ifdef CONFIG_OF
+static int gic_irq_domain_dt_translate(struct irq_domain *d,
+				       struct device_node *controller,
+				       const u32 *intspec, unsigned int intsize,
+				       unsigned long *out_hwirq, unsigned int *out_type)
+{
+	if (d->of_node != controller)
+		return -EINVAL;
+	if (intsize < 3)
+		return -EINVAL;
+
+	/* Get the interrupt number and add 16 to skip over SGIs */
+	*out_hwirq = intspec[1] + 16;
+
+	/* For SPIs, we need to add 16 more to get the GIC irq ID number */
+	if (!intspec[0])
+		*out_hwirq += 16;
+
+	*out_type = intspec[2] & IRQ_TYPE_SENSE_MASK;
+	return 0;
+}
+#endif
+
+const struct irq_domain_ops gic_irq_domain_ops = {
+#ifdef CONFIG_OF
+	.dt_translate = gic_irq_domain_dt_translate,
+#endif
+};
+
+void __init gic_init(unsigned int gic_nr, int irq_start,
 	void __iomem *dist_base, void __iomem *cpu_base)
 {
 	struct gic_chip_data *gic;
+	struct irq_domain *domain;
+	int gic_irqs;
 
 	BUG_ON(gic_nr >= MAX_GIC_NR);
 
 	gic = &gic_data[gic_nr];
+	domain = &gic->domain;
 	gic->dist_base = dist_base;
 	gic->cpu_base = cpu_base;
-	gic->irq_offset = (irq_start - 1) & ~31;
 
-	if (gic_nr == 0)
+	/*
+	 * For primary GICs, skip over SGIs.
+	 * For secondary GICs, skip over PPIs, too.
+	 */
+	if (gic_nr == 0) {
 		gic_cpu_base_addr = cpu_base;
+		domain->hwirq_base = 16;
+		if (irq_start > 0)
+			irq_start = (irq_start & ~31) + 16;
+	} else
+		domain->hwirq_base = 32;
+
+	/*
+	 * Find out how many interrupts are supported.
+	 * The GIC only supports up to 1020 interrupt sources.
+	 */
+	gic_irqs = readl_relaxed(dist_base + GIC_DIST_CTR) & 0x1f;
+	gic_irqs = (gic_irqs + 1) * 32;
+	if (gic_irqs > 1020)
+		gic_irqs = 1020;
+	gic->gic_irqs = gic_irqs;
+
+	domain->nr_irq = gic_irqs - domain->hwirq_base;
+	domain->irq_base = irq_alloc_descs(irq_start, 16, domain->nr_irq,
+					   numa_node_id());
+	if (IS_ERR_VALUE(domain->irq_base)) {
+		WARN(1, "Cannot allocate irq_descs @ IRQ%d, assuming pre-allocated\n",
+		     irq_start);
+		domain->irq_base = irq_start;
+	}
+	domain->priv = gic;
+	domain->ops = &gic_irq_domain_ops;
+	irq_domain_add(domain);
 
 	gic_chip.flags |= gic_arch_extn.flags;
-	gic_dist_init(gic, irq_start);
+	gic_dist_init(gic);
 	gic_cpu_init(gic);
 	gic_pm_init(gic);
 }
@@ -563,16 +624,6 @@ void __cpuinit gic_secondary_init(unsigned int gic_nr)
 	gic_cpu_init(&gic_data[gic_nr]);
 }
 
-void __cpuinit gic_enable_ppi(unsigned int irq)
-{
-	unsigned long flags;
-
-	local_irq_save(flags);
-	irq_set_status_flags(irq, IRQ_NOPROBE);
-	gic_unmask_irq(irq_get_irq_data(irq));
-	local_irq_restore(flags);
-}
-
 #ifdef CONFIG_SMP
 void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
 {
@@ -593,3 +644,35 @@ void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
 	writel_relaxed(map << 16 | irq, gic_data[0].dist_base + GIC_DIST_SOFTINT);
 }
 #endif
+
+#ifdef CONFIG_OF
+static int gic_cnt __initdata = 0;
+
+int __init gic_of_init(struct device_node *node, struct device_node *parent)
+{
+	void __iomem *cpu_base;
+	void __iomem *dist_base;
+	int irq;
+	struct irq_domain *domain = &gic_data[gic_cnt].domain;
+
+	if (WARN_ON(!node))
+		return -ENODEV;
+
+	dist_base = of_iomap(node, 0);
+	WARN(!dist_base, "unable to map gic dist registers\n");
+
+	cpu_base = of_iomap(node, 1);
+	WARN(!cpu_base, "unable to map gic cpu registers\n");
+
+	domain->of_node = of_node_get(node);
+
+	gic_init(gic_cnt, -1, dist_base, cpu_base);
+
+	if (parent) {
+		irq = irq_of_parse_and_map(node, 0);
+		gic_cascade_irq(gic_cnt, irq);
+	}
+	gic_cnt++;
+	return 0;
+}
+#endif
diff --git a/arch/arm/include/asm/entry-macro-multi.S b/arch/arm/include/asm/entry-macro-multi.S
index 2f1e2098dfe7..88d61815f0c0 100644
--- a/arch/arm/include/asm/entry-macro-multi.S
+++ b/arch/arm/include/asm/entry-macro-multi.S
@@ -25,13 +25,6 @@
 	movne	r1, sp
 	adrne	lr, BSYM(1b)
 	bne	do_IPI
-
-#ifdef CONFIG_LOCAL_TIMERS
-	test_for_ltirq r0, r2, r6, lr
-	movne	r0, sp
-	adrne	lr, BSYM(1b)
-	bne	do_local_timer
-#endif
 #endif
 9997:
 	.endm
diff --git a/arch/arm/include/asm/hardirq.h b/arch/arm/include/asm/hardirq.h
index 89ad1805e579..ddf07a92a6c8 100644
--- a/arch/arm/include/asm/hardirq.h
+++ b/arch/arm/include/asm/hardirq.h
@@ -9,9 +9,6 @@
 
 typedef struct {
 	unsigned int __softirq_pending;
-#ifdef CONFIG_LOCAL_TIMERS
-	unsigned int local_timer_irqs;
-#endif
 #ifdef CONFIG_SMP
 	unsigned int ipi_irqs[NR_IPI];
 #endif
diff --git a/arch/arm/include/asm/hardware/entry-macro-gic.S b/arch/arm/include/asm/hardware/entry-macro-gic.S
index c115b82fe80a..74ebc803904d 100644
--- a/arch/arm/include/asm/hardware/entry-macro-gic.S
+++ b/arch/arm/include/asm/hardware/entry-macro-gic.S
@@ -22,15 +22,11 @@
  * interrupt controller spec.  To wit:
  *
  * Interrupts 0-15 are IPI
- * 16-28 are reserved
- * 29-31 are local.  We allow 30 to be used for the watchdog.
+ * 16-31 are local.  We allow 30 to be used for the watchdog.
  * 32-1020 are global
  * 1021-1022 are reserved
  * 1023 is "spurious" (no interrupt)
  *
- * For now, we ignore all local interrupts so only return an interrupt if it's
- * between 30 and 1020.  The test_for_ipi routine below will pick up on IPIs.
- *
  * A simple read from the controller will tell us the number of the highest
  * priority enabled interrupt.  We then just need to check whether it is in the
  * valid range for an IRQ (30-1020 inclusive).
@@ -43,7 +39,7 @@
 
 	ldr	\tmp, =1021
 	bic     \irqnr, \irqstat, #0x1c00
-	cmp     \irqnr, #29
+	cmp     \irqnr, #15
 	cmpcc	\irqnr, \irqnr
 	cmpne	\irqnr, \tmp
 	cmpcs	\irqnr, \irqnr
@@ -62,14 +58,3 @@
 	strcc	\irqstat, [\base, #GIC_CPU_EOI]
 	cmpcs	\irqnr, \irqnr
 	.endm
-
-/* As above, this assumes that irqstat and base are preserved.. */
-
-	.macro test_for_ltirq, irqnr, irqstat, base, tmp
-	bic	\irqnr, \irqstat, #0x1c00
-	mov 	\tmp, #0
-	cmp	\irqnr, #29
-	moveq	\tmp, #1
-	streq	\irqstat, [\base, #GIC_CPU_EOI]
-	cmp	\tmp, #0
-	.endm
diff --git a/arch/arm/include/asm/hardware/gic.h b/arch/arm/include/asm/hardware/gic.h
index c5627057b1c7..3e91f22046f5 100644
--- a/arch/arm/include/asm/hardware/gic.h
+++ b/arch/arm/include/asm/hardware/gic.h
@@ -33,17 +33,19 @@
 #define GIC_DIST_SOFTINT		0xf00
 
 #ifndef __ASSEMBLY__
+#include <linux/irqdomain.h>
+struct device_node;
+
 extern void __iomem *gic_cpu_base_addr;
 extern struct irq_chip gic_arch_extn;
 
-void gic_init(unsigned int, unsigned int, void __iomem *, void __iomem *);
+void gic_init(unsigned int, int, void __iomem *, void __iomem *);
+int gic_of_init(struct device_node *node, struct device_node *parent);
 void gic_secondary_init(unsigned int);
 void gic_cascade_irq(unsigned int gic_nr, unsigned int irq);
 void gic_raise_softirq(const struct cpumask *mask, unsigned int irq);
-void gic_enable_ppi(unsigned int);
 
 struct gic_chip_data {
-	unsigned int irq_offset;
 	void __iomem *dist_base;
 	void __iomem *cpu_base;
 #ifdef CONFIG_CPU_PM
@@ -53,6 +55,9 @@ struct gic_chip_data {
 	u32 __percpu *saved_ppi_enable;
 	u32 __percpu *saved_ppi_conf;
 #endif
+#ifdef CONFIG_IRQ_DOMAIN
+	struct irq_domain domain;
+#endif
 	unsigned int gic_irqs;
 };
 #endif
diff --git a/arch/arm/include/asm/localtimer.h b/arch/arm/include/asm/localtimer.h
index 3306f281333c..f5e1cec7e35c 100644
--- a/arch/arm/include/asm/localtimer.h
+++ b/arch/arm/include/asm/localtimer.h
@@ -10,6 +10,8 @@
 #ifndef __ASM_ARM_LOCALTIMER_H
 #define __ASM_ARM_LOCALTIMER_H
 
+#include <linux/interrupt.h>
+
 struct clock_event_device;
 
 /*
@@ -17,31 +19,20 @@ struct clock_event_device;
  */
 void percpu_timer_setup(void);
 
-/*
- * Called from assembly, this is the local timer IRQ handler
- */
-asmlinkage void do_local_timer(struct pt_regs *);
-
-/*
- * Called from C code
- */
-void handle_local_timer(struct pt_regs *);
-
 #ifdef CONFIG_LOCAL_TIMERS
 
 #ifdef CONFIG_HAVE_ARM_TWD
 
 #include "smp_twd.h"
 
-#define local_timer_ack()	twd_timer_ack()
+#define local_timer_stop(c)	twd_timer_stop((c))
 
 #else
 
 /*
- * Platform provides this to acknowledge a local timer IRQ.
- * Returns true if the local timer IRQ is to be processed.
+ * Stop the local timer
  */
-int local_timer_ack(void);
+void local_timer_stop(struct clock_event_device *);
 
 #endif
 
@@ -56,6 +47,10 @@ static inline int local_timer_setup(struct clock_event_device *evt)
 {
 	return -ENXIO;
 }
+
+static inline void local_timer_stop(struct clock_event_device *evt)
+{
+}
 #endif
 
 #endif
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 652fccca4952..a8997d71084e 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -16,9 +16,12 @@
 #include <linux/compiler.h>
 #include <linux/const.h>
 #include <linux/types.h>
-#include <mach/memory.h>
 #include <asm/sizes.h>
 
+#ifdef CONFIG_NEED_MACH_MEMORY_H
+#include <mach/memory.h>
+#endif
+
 /*
  * Allow for constants defined here to be used from assembly code
  * by prepending the UL suffix only with actual C code compilation.
@@ -151,7 +154,6 @@
  * so that all we need to do is modify the 8-bit constant field.
  */
 #define __PV_BITS_31_24	0x81000000
-#define __PV_BITS_23_16	0x00810000
 
 extern unsigned long __pv_phys_offset;
 #define PHYS_OFFSET __pv_phys_offset
@@ -169,9 +171,6 @@ static inline unsigned long __virt_to_phys(unsigned long x)
 {
 	unsigned long t;
 	__pv_stub(x, t, "add", __PV_BITS_31_24);
-#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
-	__pv_stub(t, t, "add", __PV_BITS_23_16);
-#endif
 	return t;
 }
 
@@ -179,9 +178,6 @@ static inline unsigned long __phys_to_virt(unsigned long x)
 {
 	unsigned long t;
 	__pv_stub(x, t, "sub", __PV_BITS_31_24);
-#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
-	__pv_stub(t, t, "sub", __PV_BITS_23_16);
-#endif
 	return t;
 }
 #else
@@ -191,7 +187,11 @@ static inline unsigned long __phys_to_virt(unsigned long x)
 #endif
 
 #ifndef PHYS_OFFSET
+#ifdef PLAT_PHYS_OFFSET
 #define PHYS_OFFSET	PLAT_PHYS_OFFSET
+#else
+#define PHYS_OFFSET	UL(CONFIG_PHYS_OFFSET)
+#endif
 #endif
 
 /*
diff --git a/arch/arm/include/asm/module.h b/arch/arm/include/asm/module.h
index 543b44916d2c..6c6809f982f1 100644
--- a/arch/arm/include/asm/module.h
+++ b/arch/arm/include/asm/module.h
@@ -31,11 +31,7 @@ struct mod_arch_specific {
 
 /* Add __virt_to_phys patching state as well */
 #ifdef CONFIG_ARM_PATCH_PHYS_VIRT
-#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
-#define MODULE_ARCH_VERMAGIC_P2V "p2v16 "
-#else
 #define MODULE_ARCH_VERMAGIC_P2V "p2v8 "
-#endif
 #else
 #define MODULE_ARCH_VERMAGIC_P2V ""
 #endif
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index 0a17b62538c2..1e5717afc4ac 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -99,9 +99,4 @@ extern void platform_cpu_enable(unsigned int cpu);
 extern void arch_send_call_function_single_ipi(int cpu);
 extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
 
-/*
- * show local interrupt info
- */
-extern void show_local_irqs(struct seq_file *, int);
-
 #endif /* ifndef __ASM_ARM_SMP_H */
diff --git a/arch/arm/include/asm/smp_twd.h b/arch/arm/include/asm/smp_twd.h
index fed9981fba08..ef9ffba97ad8 100644
--- a/arch/arm/include/asm/smp_twd.h
+++ b/arch/arm/include/asm/smp_twd.h
@@ -22,7 +22,7 @@ struct clock_event_device;
 
 extern void __iomem *twd_base;
 
-int twd_timer_ack(void);
 void twd_timer_setup(struct clock_event_device *);
+void twd_timer_stop(struct clock_event_device *);
 
 #endif
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index bcd66e00bdbe..b7685f1bb04a 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -22,7 +22,7 @@
 #if defined(CONFIG_DEBUG_ICEDCC)
 		@@ debug using ARM EmbeddedICE DCC channel
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		.endm
 
 #if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) || defined(CONFIG_CPU_V7)
@@ -106,7 +106,7 @@
 
 #ifdef CONFIG_MMU
 		.macro	addruart_current, rx, tmp1, tmp2
-		addruart	\tmp1, \tmp2
+		addruart	\tmp1, \tmp2, \rx
 		mrc		p15, 0, \rx, c1, c0
 		tst		\rx, #1
 		moveq		\rx, \tmp1
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 742b6108a001..673c806cc106 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -95,7 +95,7 @@ ENTRY(stext)
 	sub	r4, r3, r4			@ (PHYS_OFFSET - PAGE_OFFSET)
 	add	r8, r8, r4			@ PHYS_OFFSET
 #else
-	ldr	r8, =PLAT_PHYS_OFFSET
+	ldr	r8, =PHYS_OFFSET		@ always constant in this case
 #endif
 
 	/*
@@ -234,7 +234,7 @@ __create_page_tables:
 	 * This allows debug messages to be output
 	 * via a serial console before paging_init.
 	 */
-	addruart r7, r3
+	addruart r7, r3, r0
 
 	mov	r3, r3, lsr #20
 	mov	r3, r3, lsl #2
@@ -488,13 +488,8 @@ __fixup_pv_table:
 	add	r5, r5, r3	@ adjust table end address
 	add	r7, r7, r3	@ adjust __pv_phys_offset address
 	str	r8, [r7]	@ save computed PHYS_OFFSET to __pv_phys_offset
-#ifndef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
 	mov	r6, r3, lsr #24	@ constant for add/sub instructions
 	teq	r3, r6, lsl #24 @ must be 16MiB aligned
-#else
-	mov	r6, r3, lsr #16	@ constant for add/sub instructions
-	teq	r3, r6, lsl #16	@ must be 64kiB aligned
-#endif
 THUMB(	it	ne		@ cross section branch )
 	bne	__error
 	str	r6, [r7, #4]	@ save to __pv_offset
@@ -510,20 +505,8 @@ ENDPROC(__fixup_pv_table)
 	.text
 __fixup_a_pv_table:
 #ifdef CONFIG_THUMB2_KERNEL
-#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
-	lsls	r0, r6, #24
-	lsr	r6, #8
-	beq	1f
-	clz	r7, r0
-	lsr	r0, #24
-	lsl	r0, r7
-	bic	r0, 0x0080
-	lsrs	r7, #1
-	orrcs   r0, #0x0080
-	orr	r0, r0, r7, lsl #12
-#endif
-1:	lsls	r6, #24
-	beq	4f
+	lsls	r6, #24
+	beq	2f
 	clz	r7, r6
 	lsr	r6, #24
 	lsl	r6, r7
@@ -532,43 +515,25 @@ __fixup_a_pv_table:
 	orrcs	r6, #0x0080
 	orr	r6, r6, r7, lsl #12
 	orr	r6, #0x4000
-	b	4f
-2:	@ at this point the C flag is always clear
-	add     r7, r3
-#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
-	ldrh	ip, [r7]
-	tst	ip, 0x0400	@ the i bit tells us LS or MS byte
-	beq	3f
-	cmp	r0, #0		@ set C flag, and ...
-	biceq	ip, 0x0400	@ immediate zero value has a special encoding
-	streqh	ip, [r7]	@ that requires the i bit cleared
-#endif
-3:	ldrh	ip, [r7, #2]
+	b	2f
+1:	add     r7, r3
+	ldrh	ip, [r7, #2]
 	and	ip, 0x8f00
-	orrcc	ip, r6	@ mask in offset bits 31-24
-	orrcs	ip, r0	@ mask in offset bits 23-16
+	orr	ip, r6	@ mask in offset bits 31-24
 	strh	ip, [r7, #2]
-4:	cmp	r4, r5
+2:	cmp	r4, r5
 	ldrcc	r7, [r4], #4	@ use branch for delay slot
-	bcc	2b
+	bcc	1b
 	bx	lr
 #else
-#ifdef CONFIG_ARM_PATCH_PHYS_VIRT_16BIT
-	and	r0, r6, #255	@ offset bits 23-16
-	mov	r6, r6, lsr #8	@ offset bits 31-24
-#else
-	mov	r0, #0		@ just in case...
-#endif
-	b	3f
-2:	ldr	ip, [r7, r3]
+	b	2f
+1:	ldr	ip, [r7, r3]
 	bic	ip, ip, #0x000000ff
-	tst	ip, #0x400	@ rotate shift tells us LS or MS byte
-	orrne	ip, ip, r6	@ mask in offset bits 31-24
-	orreq	ip, ip, r0	@ mask in offset bits 23-16
+	orr	ip, ip, r6	@ mask in offset bits 31-24
 	str	ip, [r7, r3]
-3:	cmp	r4, r5
+2:	cmp	r4, r5
 	ldrcc	r7, [r4], #4	@ use branch for delay slot
-	bcc	2b
+	bcc	1b
 	mov	pc, lr
 #endif
 ENDPROC(__fixup_a_pv_table)
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 53919b230e8b..7cb29261249a 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -59,9 +59,6 @@ int arch_show_interrupts(struct seq_file *p, int prec)
 #ifdef CONFIG_SMP
 	show_ipi_list(p, prec);
 #endif
-#ifdef CONFIG_LOCAL_TIMERS
-	show_local_irqs(p, prec);
-#endif
 	seq_printf(p, "%*s: %10lu\n", prec, "Err", irq_err_count);
 	return 0;
 }
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 35417d0fb8ab..a96c08cd6125 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -457,10 +457,6 @@ u64 smp_irq_stat_cpu(unsigned int cpu)
 	for (i = 0; i < NR_IPI; i++)
 		sum += __get_irq_stat(cpu, ipi_irqs[i]);
 
-#ifdef CONFIG_LOCAL_TIMERS
-	sum += __get_irq_stat(cpu, local_timer_irqs);
-#endif
-
 	return sum;
 }
 
@@ -477,38 +473,6 @@ static void ipi_timer(void)
 	irq_exit();
 }
 
-#ifdef CONFIG_LOCAL_TIMERS
-asmlinkage void __exception_irq_entry do_local_timer(struct pt_regs *regs)
-{
-	handle_local_timer(regs);
-}
-
-void handle_local_timer(struct pt_regs *regs)
-{
-	struct pt_regs *old_regs = set_irq_regs(regs);
-	int cpu = smp_processor_id();
-
-	if (local_timer_ack()) {
-		__inc_irq_stat(cpu, local_timer_irqs);
-		ipi_timer();
-	}
-
-	set_irq_regs(old_regs);
-}
-
-void show_local_irqs(struct seq_file *p, int prec)
-{
-	unsigned int cpu;
-
-	seq_printf(p, "%*s: ", prec, "LOC");
-
-	for_each_present_cpu(cpu)
-		seq_printf(p, "%10u ", __get_irq_stat(cpu, local_timer_irqs));
-
-	seq_printf(p, " Local timer interrupts\n");
-}
-#endif
-
 #ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
 static void smp_timer_broadcast(const struct cpumask *mask)
 {
@@ -559,7 +523,7 @@ static void percpu_timer_stop(void)
 	unsigned int cpu = smp_processor_id();
 	struct clock_event_device *evt = &per_cpu(percpu_clockevent, cpu);
 
-	evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt);
+	local_timer_stop(evt);
 }
 #endif
 
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index 01c186222f3b..a8a6682d6b52 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -19,6 +19,7 @@
 #include <linux/io.h>
 
 #include <asm/smp_twd.h>
+#include <asm/localtimer.h>
 #include <asm/hardware/gic.h>
 
 /* set up by the platform code */
@@ -26,6 +27,8 @@ void __iomem *twd_base;
 
 static unsigned long twd_timer_rate;
 
+static struct clock_event_device __percpu **twd_evt;
+
 static void twd_set_mode(enum clock_event_mode mode,
 			struct clock_event_device *clk)
 {
@@ -80,6 +83,12 @@ int twd_timer_ack(void)
 	return 0;
 }
 
+void twd_timer_stop(struct clock_event_device *clk)
+{
+	twd_set_mode(CLOCK_EVT_MODE_UNUSED, clk);
+	disable_percpu_irq(clk->irq);
+}
+
 static void __cpuinit twd_calibrate_rate(void)
 {
 	unsigned long count;
@@ -119,11 +128,43 @@ static void __cpuinit twd_calibrate_rate(void)
 	}
 }
 
+static irqreturn_t twd_handler(int irq, void *dev_id)
+{
+	struct clock_event_device *evt = *(struct clock_event_device **)dev_id;
+
+	if (twd_timer_ack()) {
+		evt->event_handler(evt);
+		return IRQ_HANDLED;
+	}
+
+	return IRQ_NONE;
+}
+
 /*
  * Setup the local clock events for a CPU.
  */
 void __cpuinit twd_timer_setup(struct clock_event_device *clk)
 {
+	struct clock_event_device **this_cpu_clk;
+
+	if (!twd_evt) {
+		int err;
+
+		twd_evt = alloc_percpu(struct clock_event_device *);
+		if (!twd_evt) {
+			pr_err("twd: can't allocate memory\n");
+			return;
+		}
+
+		err = request_percpu_irq(clk->irq, twd_handler,
+					 "twd", twd_evt);
+		if (err) {
+			pr_err("twd: can't register interrupt %d (%d)\n",
+			       clk->irq, err);
+			return;
+		}
+	}
+
 	twd_calibrate_rate();
 
 	clk->name = "local_timer";
@@ -137,8 +178,10 @@ void __cpuinit twd_timer_setup(struct clock_event_device *clk)
 	clk->max_delta_ns = clockevent_delta2ns(0xffffffff, clk);
 	clk->min_delta_ns = clockevent_delta2ns(0xf, clk);
 
+	this_cpu_clk = __this_cpu_ptr(twd_evt);
+	*this_cpu_clk = clk;
+
 	clockevents_register_device(clk);
 
-	/* Make sure our local interrupt controller has this enabled */
-	gic_enable_ppi(clk->irq);
+	enable_percpu_irq(clk->irq, 0);
 }
diff --git a/arch/arm/mach-at91/include/mach/debug-macro.S b/arch/arm/mach-at91/include/mach/debug-macro.S
index bc1e0b2e2f4f..0ed8648c6452 100644
--- a/arch/arm/mach-at91/include/mach/debug-macro.S
+++ b/arch/arm/mach-at91/include/mach/debug-macro.S
@@ -14,7 +14,7 @@
 #include <mach/hardware.h>
 #include <mach/at91_dbgu.h>
 
-	.macro	addruart, rp, rv
+	.macro	addruart, rp, rv, tmp
 	ldr	\rp, =(AT91_BASE_SYS + AT91_DBGU)	@ System peripherals (phys address)
 	ldr	\rv, =(AT91_VA_BASE_SYS	+ AT91_DBGU)	@ System peripherals (virt address)
 	.endm
diff --git a/arch/arm/mach-bcmring/include/mach/hardware.h b/arch/arm/mach-bcmring/include/mach/hardware.h
index ed78aabb8e9f..6ae20a649a97 100644
--- a/arch/arm/mach-bcmring/include/mach/hardware.h
+++ b/arch/arm/mach-bcmring/include/mach/hardware.h
@@ -22,7 +22,6 @@
 #define __ASM_ARCH_HARDWARE_H
 
 #include <asm/sizes.h>
-#include <mach/memory.h>
 #include <cfg_global.h>
 #include <mach/csp/mm_io.h>
 
@@ -31,7 +30,7 @@
  *  *_SIZE  is the size of the region
  *  *_BASE  is the virtual address
  */
-#define RAM_START               PLAT_PHYS_OFFSET
+#define RAM_START               PHYS_OFFSET
 
 #define RAM_SIZE                (CFG_GLOBAL_RAM_SIZE-CFG_GLOBAL_RAM_SIZE_RESERVED)
 #define RAM_BASE                PAGE_OFFSET
diff --git a/arch/arm/mach-bcmring/include/mach/memory.h b/arch/arm/mach-bcmring/include/mach/memory.h
deleted file mode 100644
index 8848a5bb3445..000000000000
--- a/arch/arm/mach-bcmring/include/mach/memory.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*****************************************************************************
-* Copyright 2005 - 2008 Broadcom Corporation.  All rights reserved.
-*
-* Unless you and Broadcom execute a separate written software license
-* agreement governing use of this software, this software is licensed to you
-* under the terms of the GNU General Public License version 2, available at
-* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
-*
-* Notwithstanding the above, under no circumstances may you combine this
-* software in any way with any other Broadcom software provided under a
-* license other than the GPL, without Broadcom's express prior written
-* consent.
-*****************************************************************************/
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#include <cfg_global.h>
-
-/*
- * Physical vs virtual RAM address space conversion.  These are
- * private definitions which should NOT be used outside memory.h
- * files.  Use virt_to_phys/phys_to_virt/__pa/__va instead.
- */
-
-#define PLAT_PHYS_OFFSET CFG_GLOBAL_RAM_BASE
-
-#endif
diff --git a/arch/arm/mach-clps711x/include/mach/debug-macro.S b/arch/arm/mach-clps711x/include/mach/debug-macro.S
index 507c6873b7ee..b802e8a51831 100644
--- a/arch/arm/mach-clps711x/include/mach/debug-macro.S
+++ b/arch/arm/mach-clps711x/include/mach/debug-macro.S
@@ -14,7 +14,7 @@
 #include <mach/hardware.h>
 #include <asm/hardware/clps7111.h>
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 #ifndef CONFIG_DEBUG_CLPS711X_UART2
 		mov	\rp, #0x0000	@ UART1
 #else
diff --git a/arch/arm/mach-cns3xxx/include/mach/debug-macro.S b/arch/arm/mach-cns3xxx/include/mach/debug-macro.S
index 56d828634db5..d04c150baa1c 100644
--- a/arch/arm/mach-cns3xxx/include/mach/debug-macro.S
+++ b/arch/arm/mach-cns3xxx/include/mach/debug-macro.S
@@ -10,7 +10,7 @@
  * published by the Free Software Foundation.
  */
 
-		.macro	addruart,rp,rv
+		.macro	addruart,rp,rv,tmp
 		mov	\rp, #0x00009000
 		orr	\rv, \rp, #0xf0000000	@ virtual base
 		orr	\rp, \rp, #0x10000000
diff --git a/arch/arm/mach-cns3xxx/include/mach/memory.h b/arch/arm/mach-cns3xxx/include/mach/memory.h
deleted file mode 100644
index dc16c5c5d86b..000000000000
--- a/arch/arm/mach-cns3xxx/include/mach/memory.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright 2003 ARM Limited
- * Copyright 2008 Cavium Networks
- *
- * This file 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.
- */
-
-#ifndef __MACH_MEMORY_H
-#define __MACH_MEMORY_H
-
-/*
- * Physical DRAM offset.
- */
-#define PLAT_PHYS_OFFSET		UL(0x00000000)
-
-#define __phys_to_bus(x)	((x) + PHYS_OFFSET)
-#define __bus_to_phys(x)	((x) - PHYS_OFFSET)
-
-#define __virt_to_bus(v)	__phys_to_bus(__virt_to_phys(v))
-#define __bus_to_virt(b)	__phys_to_virt(__bus_to_phys(b))
-#define __pfn_to_bus(p)		__phys_to_bus(__pfn_to_phys(p))
-#define __bus_to_pfn(b)		__phys_to_pfn(__bus_to_phys(b))
-
-#endif
diff --git a/arch/arm/mach-davinci/cpuidle.c b/arch/arm/mach-davinci/cpuidle.c
index bd59f31b8a95..0b314bf16f7f 100644
--- a/arch/arm/mach-davinci/cpuidle.c
+++ b/arch/arm/mach-davinci/cpuidle.c
@@ -19,7 +19,7 @@
 #include <asm/proc-fns.h>
 
 #include <mach/cpuidle.h>
-#include <mach/memory.h>
+#include <mach/ddr2.h>
 
 #define DAVINCI_CPUIDLE_MAX_STATES	2
 
diff --git a/arch/arm/mach-davinci/include/mach/ddr2.h b/arch/arm/mach-davinci/include/mach/ddr2.h
new file mode 100644
index 000000000000..c19e047d0e6a
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/ddr2.h
@@ -0,0 +1,4 @@
+#define DDR2_SDRCR_OFFSET	0xc
+#define DDR2_SRPD_BIT		(1 << 23)
+#define DDR2_MCLKSTOPEN_BIT	(1 << 30)
+#define DDR2_LPMODEN_BIT	(1 << 31)
diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S
index f8b7ea4f6235..cf94552d5274 100644
--- a/arch/arm/mach-davinci/include/mach/debug-macro.S
+++ b/arch/arm/mach-davinci/include/mach/debug-macro.S
@@ -18,56 +18,50 @@
 
 #include <linux/serial_reg.h>
 
-#include <asm/memory.h>
-
 #include <mach/serial.h>
 
 #define UART_SHIFT	2
 
-#define davinci_uart_v2p(x)	((x) - PAGE_OFFSET + PLAT_PHYS_OFFSET)
-#define davinci_uart_p2v(x)	((x) - PLAT_PHYS_OFFSET + PAGE_OFFSET)
-
 		.pushsection .data
 davinci_uart_phys:	.word	0
 davinci_uart_virt:	.word	0
 		.popsection
 
-		.macro addruart, rp, rv
+		.macro addruart, rp, rv, tmp
 
 		/* Use davinci_uart_phys/virt if already configured */
-10:		mrc	p15, 0, \rp, c1, c0
-		tst	\rp, #1			@ MMU enabled?
-		ldreq	\rp, =davinci_uart_v2p(davinci_uart_phys)
-		ldrne	\rp, =davinci_uart_phys
-		add	\rv, \rp, #4		@ davinci_uart_virt
-		ldr	\rp, [\rp, #0]
-		ldr	\rv, [\rv, #0]
+10:		adr	\rp, 99f		@ get effective addr of 99f
+		ldr	\rv, [\rp]		@ get absolute addr of 99f
+		sub	\rv, \rv, \rp		@ offset between the two
+		ldr	\rp, [\rp, #4]		@ abs addr of omap_uart_phys
+		sub	\tmp, \rp, \rv		@ make it effective
+		ldr	\rp, [\tmp, #0]		@ davinci_uart_phys
+		ldr	\rv, [\tmp, #4]		@ davinci_uart_virt
 		cmp	\rp, #0			@ is port configured?
 		cmpne	\rv, #0
-		bne	99f			@ already configured
+		bne	100f			@ already configured
 
 		/* Check the debug UART address set in uncompress.h */
-		mrc	p15, 0, \rp, c1, c0
-		tst	\rp, #1			@ MMU enabled?
+		and	\rp, pc, #0xff000000
+		ldr	\rv, =DAVINCI_UART_INFO_OFS
+		add	\rp, \rp, \rv
 
 		/* Copy uart phys address from decompressor uart info */
-		ldreq	\rv, =davinci_uart_v2p(davinci_uart_phys)
-		ldrne	\rv, =davinci_uart_phys
-		ldreq	\rp, =DAVINCI_UART_INFO
-		ldrne	\rp, =davinci_uart_p2v(DAVINCI_UART_INFO)
-		ldr	\rp, [\rp, #0]
-		str	\rp, [\rv]
+		ldr	\rv, [\rp, #0]
+		str	\rv, [\tmp, #0]
 
 		/* Copy uart virt address from decompressor uart info */
-		ldreq	\rv, =davinci_uart_v2p(davinci_uart_virt)
-		ldrne	\rv, =davinci_uart_virt
-		ldreq	\rp, =DAVINCI_UART_INFO
-		ldrne	\rp, =davinci_uart_p2v(DAVINCI_UART_INFO)
-		ldr	\rp, [\rp, #4]
-		str	\rp, [\rv]
+		ldr	\rv, [\rp, #4]
+		str	\rv, [\tmp, #4]
 
 		b	10b
-99:
+
+		.align
+99:		.word	.
+		.word	davinci_uart_phys
+		.ltorg
+
+100:
 		.endm
 
 		.macro	senduart,rd,rx
diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h
deleted file mode 100644
index 885d23319668..000000000000
--- a/arch/arm/mach-davinci/include/mach/memory.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * DaVinci memory space definitions
- *
- * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
- *
- * 2007 (c) MontaVista Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-/**************************************************************************
- * Included Files
- **************************************************************************/
-#include <asm/page.h>
-#include <asm/sizes.h>
-
-/**************************************************************************
- * Definitions
- **************************************************************************/
-#define DAVINCI_DDR_BASE	0x80000000
-#define DA8XX_DDR_BASE		0xc0000000
-
-#if defined(CONFIG_ARCH_DAVINCI_DA8XX) && defined(CONFIG_ARCH_DAVINCI_DMx)
-#error Cannot enable DaVinci and DA8XX platforms concurrently
-#elif defined(CONFIG_ARCH_DAVINCI_DA8XX)
-#define PLAT_PHYS_OFFSET DA8XX_DDR_BASE
-#else
-#define PLAT_PHYS_OFFSET DAVINCI_DDR_BASE
-#endif
-
-#define DDR2_SDRCR_OFFSET	0xc
-#define DDR2_SRPD_BIT		BIT(23)
-#define DDR2_MCLKSTOPEN_BIT	BIT(30)
-#define DDR2_LPMODEN_BIT	BIT(31)
-
-#endif /* __ASM_ARCH_MEMORY_H */
diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h
index c9e6ce185a66..e347d88fef91 100644
--- a/arch/arm/mach-davinci/include/mach/serial.h
+++ b/arch/arm/mach-davinci/include/mach/serial.h
@@ -21,8 +21,9 @@
  * macros in debug-macro.S.
  *
  * This area sits just below the page tables (see arch/arm/kernel/head.S).
+ * We define it as a relative offset from start of usable RAM.
  */
-#define DAVINCI_UART_INFO	(PLAT_PHYS_OFFSET + 0x3ff8)
+#define DAVINCI_UART_INFO_OFS	0x3ff8
 
 #define DAVINCI_UART0_BASE	(IO_PHYS + 0x20000)
 #define DAVINCI_UART1_BASE	(IO_PHYS + 0x20400)
diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h
index 78d80683cdc2..9dc7cf9664fe 100644
--- a/arch/arm/mach-davinci/include/mach/uncompress.h
+++ b/arch/arm/mach-davinci/include/mach/uncompress.h
@@ -43,7 +43,12 @@ static inline void flush(void)
 
 static inline void set_uart_info(u32 phys, void * __iomem virt)
 {
-	u32 *uart_info = (u32 *)(DAVINCI_UART_INFO);
+	/*
+	 * Get address of some.bss variable and round it down
+	 * a la CONFIG_AUTO_ZRELADDR.
+	 */
+	u32 ram_start = (u32)&uart & 0xf8000000;
+	u32 *uart_info = (u32 *)(ram_start + DAVINCI_UART_INFO_OFS);
 
 	uart = (u32 *)phys;
 	uart_info[0] = phys;
diff --git a/arch/arm/mach-davinci/sleep.S b/arch/arm/mach-davinci/sleep.S
index 5f1e045a3ad1..d4e9316ecacb 100644
--- a/arch/arm/mach-davinci/sleep.S
+++ b/arch/arm/mach-davinci/sleep.S
@@ -22,7 +22,7 @@
 #include <linux/linkage.h>
 #include <asm/assembler.h>
 #include <mach/psc.h>
-#include <mach/memory.h>
+#include <mach/ddr2.h>
 
 #include "clock.h"
 
diff --git a/arch/arm/mach-dove/include/mach/debug-macro.S b/arch/arm/mach-dove/include/mach/debug-macro.S
index da8bf2bad3b1..5929cbc59161 100644
--- a/arch/arm/mach-dove/include/mach/debug-macro.S
+++ b/arch/arm/mach-dove/include/mach/debug-macro.S
@@ -8,7 +8,7 @@
 
 #include <mach/bridge-regs.h>
 
-	.macro	addruart, rp, rv
+	.macro	addruart, rp, rv, tmp
 	ldr	\rp, =DOVE_SB_REGS_PHYS_BASE
 	ldr	\rv, =DOVE_SB_REGS_VIRT_BASE
 	orr	\rp, \rp, #0x00012000
diff --git a/arch/arm/mach-dove/include/mach/memory.h b/arch/arm/mach-dove/include/mach/memory.h
deleted file mode 100644
index bbc93fee6c75..000000000000
--- a/arch/arm/mach-dove/include/mach/memory.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/*
- * arch/arm/mach-dove/include/mach/memory.h
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET		UL(0x00000000)
-
-#endif
diff --git a/arch/arm/mach-ebsa110/include/mach/debug-macro.S b/arch/arm/mach-ebsa110/include/mach/debug-macro.S
index 7ef5690fd08c..bb02c05e6812 100644
--- a/arch/arm/mach-ebsa110/include/mach/debug-macro.S
+++ b/arch/arm/mach-ebsa110/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
  *
 **/
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #0xf0000000
 		orr	\rp, \rp, #0x00000be0
 		mov	\rp, \rv
diff --git a/arch/arm/mach-ep93xx/include/mach/debug-macro.S b/arch/arm/mach-ep93xx/include/mach/debug-macro.S
index b25bc9076367..af54e43132cf 100644
--- a/arch/arm/mach-ep93xx/include/mach/debug-macro.S
+++ b/arch/arm/mach-ep93xx/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
  */
 #include <mach/ep93xx-regs.h>
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		ldr	\rp, =EP93XX_APB_PHYS_BASE	@ Physical base
 		ldr	\rv, =EP93XX_APB_VIRT_BASE	@ virtual base
 		orr	\rp, \rp, #0x000c0000
diff --git a/arch/arm/mach-exynos4/include/mach/debug-macro.S b/arch/arm/mach-exynos4/include/mach/debug-macro.S
index a442ef861167..6cacf16a67a6 100644
--- a/arch/arm/mach-exynos4/include/mach/debug-macro.S
+++ b/arch/arm/mach-exynos4/include/mach/debug-macro.S
@@ -20,7 +20,7 @@
 	 * aligned and add in the offset when we load the value here.
 	 */
 
-	.macro addruart, rp, rv
+	.macro addruart, rp, rv, tmp
 		ldr	\rp, = S3C_PA_UART
 		ldr	\rv, = S3C_VA_UART
 #if CONFIG_DEBUG_S3C_UART != 0
diff --git a/arch/arm/mach-exynos4/include/mach/entry-macro.S b/arch/arm/mach-exynos4/include/mach/entry-macro.S
index d7a1e281ce7a..006a4f4c65c6 100644
--- a/arch/arm/mach-exynos4/include/mach/entry-macro.S
+++ b/arch/arm/mach-exynos4/include/mach/entry-macro.S
@@ -55,7 +55,7 @@
 
 		bic     \irqnr, \irqstat, #0x1c00
 
-		cmp     \irqnr, #29
+		cmp     \irqnr, #15
 		cmpcc	\irqnr, \irqnr
 		cmpne	\irqnr, \tmp
 		cmpcs	\irqnr, \irqnr
@@ -76,8 +76,3 @@
 		strcc	\irqstat, [\base, #GIC_CPU_EOI]
 		cmpcs	\irqnr, \irqnr
 		.endm
-
-		/* As above, this assumes that irqstat and base are preserved.. */
-
-		.macro test_for_ltirq, irqnr, irqstat, base, tmp
-		.endm
diff --git a/arch/arm/mach-exynos4/mct.c b/arch/arm/mach-exynos4/mct.c
index ddd86864fb83..582b874aab0e 100644
--- a/arch/arm/mach-exynos4/mct.c
+++ b/arch/arm/mach-exynos4/mct.c
@@ -386,9 +386,11 @@ static void exynos4_mct_tick_init(struct clock_event_device *evt)
 
 	if (cpu == 0) {
 		mct_tick0_event_irq.dev_id = &mct_tick[cpu];
+		evt->irq = IRQ_MCT_L0;
 		setup_irq(IRQ_MCT_L0, &mct_tick0_event_irq);
 	} else {
 		mct_tick1_event_irq.dev_id = &mct_tick[cpu];
+		evt->irq = IRQ_MCT_L1;
 		setup_irq(IRQ_MCT_L1, &mct_tick1_event_irq);
 		irq_set_affinity(IRQ_MCT_L1, cpumask_of(1));
 	}
@@ -402,9 +404,10 @@ int __cpuinit local_timer_setup(struct clock_event_device *evt)
 	return 0;
 }
 
-int local_timer_ack(void)
+void local_timer_stop(struct clock_event_device *evt)
 {
-	return 0;
+	evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt);
+	disable_irq(evt->irq);
 }
 
 #endif /* CONFIG_LOCAL_TIMERS */
diff --git a/arch/arm/mach-exynos4/platsmp.c b/arch/arm/mach-exynos4/platsmp.c
index df6ef1b2f98b..0c90896ad9a0 100644
--- a/arch/arm/mach-exynos4/platsmp.c
+++ b/arch/arm/mach-exynos4/platsmp.c
@@ -193,12 +193,10 @@ void __init smp_init_cpus(void)
 	ncores = scu_base ? scu_get_core_count(scu_base) : 1;
 
 	/* sanity check */
-	if (ncores > NR_CPUS) {
-		printk(KERN_WARNING
-		       "EXYNOS4: no. of cores (%d) greater than configured "
-		       "maximum of %d - clipping\n",
-		       ncores, NR_CPUS);
-		ncores = NR_CPUS;
+	if (ncores > nr_cpu_ids) {
+		pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+			ncores, nr_cpu_ids);
+		ncores = nr_cpu_ids;
 	}
 
 	for (i = 0; i < ncores; i++)
diff --git a/arch/arm/mach-footbridge/include/mach/debug-macro.S b/arch/arm/mach-footbridge/include/mach/debug-macro.S
index 1be2eeb7a0a0..e5acde25ffc5 100644
--- a/arch/arm/mach-footbridge/include/mach/debug-macro.S
+++ b/arch/arm/mach-footbridge/include/mach/debug-macro.S
@@ -15,7 +15,7 @@
 
 #ifndef CONFIG_DEBUG_DC21285_PORT
 	/* For NetWinder debugging */
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #0x000003f8
 		orr	\rv, \rp, #0xff000000	@ virtual
 		orr	\rp, \rp, #0x7c000000	@ physical
@@ -31,7 +31,7 @@
 		.equ	dc21285_high, ARMCSR_BASE & 0xff000000
 		.equ	dc21285_low,  ARMCSR_BASE & 0x00ffffff
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		.if	dc21285_low
 		mov	\rp, #dc21285_low
 		.else
diff --git a/arch/arm/mach-gemini/include/mach/debug-macro.S b/arch/arm/mach-gemini/include/mach/debug-macro.S
index f40e006d296e..837670763b85 100644
--- a/arch/arm/mach-gemini/include/mach/debug-macro.S
+++ b/arch/arm/mach-gemini/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
  */
 #include <mach/hardware.h>
 
-	.macro	addruart, rp, rv
+	.macro	addruart, rp, rv, tmp
 	ldr	\rp, =GEMINI_UART_BASE			@ physical
 	ldr	\rv, =IO_ADDRESS(GEMINI_UART_BASE)	@ virtual
 	.endm
diff --git a/arch/arm/mach-gemini/include/mach/memory.h b/arch/arm/mach-gemini/include/mach/memory.h
deleted file mode 100644
index a50915f764d8..000000000000
--- a/arch/arm/mach-gemini/include/mach/memory.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- *  Copyright (C) 2001-2006 Storlink, Corp.
- *  Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * 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.
- */
-#ifndef __MACH_MEMORY_H
-#define __MACH_MEMORY_H
-
-#ifdef CONFIG_GEMINI_MEM_SWAP
-# define PLAT_PHYS_OFFSET	UL(0x00000000)
-#else
-# define PLAT_PHYS_OFFSET	UL(0x10000000)
-#endif
-
-#endif /* __MACH_MEMORY_H */
diff --git a/arch/arm/mach-h720x/include/mach/debug-macro.S b/arch/arm/mach-h720x/include/mach/debug-macro.S
index c2093e835720..8a46157b0582 100644
--- a/arch/arm/mach-h720x/include/mach/debug-macro.S
+++ b/arch/arm/mach-h720x/include/mach/debug-macro.S
@@ -16,7 +16,7 @@
 		.equ    io_virt, IO_VIRT
 		.equ    io_phys, IO_PHYS
 
-		.macro  addruart, rp, rv
+		.macro  addruart, rp, rv, tmp
 		mov     \rp, #0x00020000	@ UART1
 		add     \rv, \rp, #io_virt	@ virtual address
 		add     \rp, \rp, #io_phys	@ physical base address
diff --git a/arch/arm/mach-h720x/include/mach/memory.h b/arch/arm/mach-h720x/include/mach/memory.h
deleted file mode 100644
index 96dcf50c51d3..000000000000
--- a/arch/arm/mach-h720x/include/mach/memory.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/*
- * arch/arm/mach-h720x/include/mach/memory.h
- *
- * Copyright (c) 2000 Jungjun Kim
- *
- */
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET	UL(0x40000000)
-#endif
diff --git a/arch/arm/mach-integrator/include/mach/debug-macro.S b/arch/arm/mach-integrator/include/mach/debug-macro.S
index a1f598fd3a56..411b116077e4 100644
--- a/arch/arm/mach-integrator/include/mach/debug-macro.S
+++ b/arch/arm/mach-integrator/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
  *
 */
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #0x16000000	@ physical base address
 		mov	\rv, #0xf0000000	@ virtual base
 		add	\rv, \rv, #0x16000000 >> 4
diff --git a/arch/arm/mach-iop13xx/include/mach/debug-macro.S b/arch/arm/mach-iop13xx/include/mach/debug-macro.S
index e664466d51bf..d869a6f67e5c 100644
--- a/arch/arm/mach-iop13xx/include/mach/debug-macro.S
+++ b/arch/arm/mach-iop13xx/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
  * published by the Free Software Foundation.
  */
 
-	.macro	addruart, rp, rv
+	.macro	addruart, rp, rv, tmp
 	mov	\rp, #0x00002300
 	orr	\rp, \rp, #0x00000040
 	orr	\rv, \rp, #0xfe000000	@ virtual
diff --git a/arch/arm/mach-iop32x/include/mach/debug-macro.S b/arch/arm/mach-iop32x/include/mach/debug-macro.S
index ff9e76c09f35..363bdf90b34d 100644
--- a/arch/arm/mach-iop32x/include/mach/debug-macro.S
+++ b/arch/arm/mach-iop32x/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
  * published by the Free Software Foundation.
  */
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #0xfe000000	@ physical as well as virtual
 		orr	\rp, \rp, #0x00800000	@ location of the UART
 		mov	\rv, \rp
diff --git a/arch/arm/mach-iop32x/include/mach/memory.h b/arch/arm/mach-iop32x/include/mach/memory.h
deleted file mode 100644
index 169cc239f76c..000000000000
--- a/arch/arm/mach-iop32x/include/mach/memory.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * arch/arm/mach-iop32x/include/mach/memory.h
- */
-
-#ifndef __MEMORY_H
-#define __MEMORY_H
-
-/*
- * Physical DRAM offset.
- */
-#define PLAT_PHYS_OFFSET	UL(0xa0000000)
-
-#endif
diff --git a/arch/arm/mach-iop33x/include/mach/debug-macro.S b/arch/arm/mach-iop33x/include/mach/debug-macro.S
index 40c500dd1fac..361be1f6026e 100644
--- a/arch/arm/mach-iop33x/include/mach/debug-macro.S
+++ b/arch/arm/mach-iop33x/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
  * published by the Free Software Foundation.
  */
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #0x00ff0000
 		orr	\rp, \rp, #0x0000f700
 		orr	\rv, #0xfe000000	@ virtual
diff --git a/arch/arm/mach-iop33x/include/mach/memory.h b/arch/arm/mach-iop33x/include/mach/memory.h
deleted file mode 100644
index 8e1daf7006b6..000000000000
--- a/arch/arm/mach-iop33x/include/mach/memory.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * arch/arm/mach-iop33x/include/mach/memory.h
- */
-
-#ifndef __MEMORY_H
-#define __MEMORY_H
-
-/*
- * Physical DRAM offset.
- */
-#define PLAT_PHYS_OFFSET	UL(0x00000000)
-
-#endif
diff --git a/arch/arm/mach-ixp2000/include/mach/debug-macro.S b/arch/arm/mach-ixp2000/include/mach/debug-macro.S
index 0ef533b20972..bdd3ccdc2890 100644
--- a/arch/arm/mach-ixp2000/include/mach/debug-macro.S
+++ b/arch/arm/mach-ixp2000/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
  *
 */
 
-		.macro  addruart, rp, rv
+		.macro  addruart, rp, rv, tmp
 		mov	\rp, #0x00030000
 #ifdef	__ARMEB__
 		orr	\rp, \rp, #0x00000003
diff --git a/arch/arm/mach-ixp23xx/include/mach/debug-macro.S b/arch/arm/mach-ixp23xx/include/mach/debug-macro.S
index f7c6eef7fa22..5ff524c13744 100644
--- a/arch/arm/mach-ixp23xx/include/mach/debug-macro.S
+++ b/arch/arm/mach-ixp23xx/include/mach/debug-macro.S
@@ -12,7 +12,7 @@
  */
 #include <mach/ixp23xx.h>
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		ldr	\rp, =IXP23XX_PERIPHERAL_PHYS 	@ physical
 		ldr	\rv, =IXP23XX_PERIPHERAL_VIRT	@ virtual
 #ifdef __ARMEB__
diff --git a/arch/arm/mach-ixp4xx/include/mach/debug-macro.S b/arch/arm/mach-ixp4xx/include/mach/debug-macro.S
index b974a49c0aff..8c9f8d564492 100644
--- a/arch/arm/mach-ixp4xx/include/mach/debug-macro.S
+++ b/arch/arm/mach-ixp4xx/include/mach/debug-macro.S
@@ -10,7 +10,7 @@
  * published by the Free Software Foundation.
 */
 
-                .macro  addruart, rp, rv
+                .macro  addruart, rp, rv, tmp
 #ifdef __ARMEB__
                 mov     \rp, #3         @ Uart regs are at off set of 3 if
 					@ byte writes used - Big Endian.
diff --git a/arch/arm/mach-ixp4xx/include/mach/memory.h b/arch/arm/mach-ixp4xx/include/mach/memory.h
deleted file mode 100644
index 4caf1761f1e2..000000000000
--- a/arch/arm/mach-ixp4xx/include/mach/memory.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * arch/arm/mach-ixp4xx/include/mach/memory.h
- *
- * Copyright (c) 2001-2004 MontaVista Software, Inc.
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#include <asm/sizes.h>
-
-/*
- * Physical DRAM offset.
- */
-#define PLAT_PHYS_OFFSET	UL(0x00000000)
-
-#endif
diff --git a/arch/arm/mach-kirkwood/include/mach/debug-macro.S b/arch/arm/mach-kirkwood/include/mach/debug-macro.S
index db06ae437d08..f785d401a607 100644
--- a/arch/arm/mach-kirkwood/include/mach/debug-macro.S
+++ b/arch/arm/mach-kirkwood/include/mach/debug-macro.S
@@ -8,7 +8,7 @@
 
 #include <mach/bridge-regs.h>
 
-	.macro	addruart, rp, rv
+	.macro	addruart, rp, rv, tmp
 	ldr	\rp, =KIRKWOOD_REGS_PHYS_BASE
 	ldr	\rv, =KIRKWOOD_REGS_VIRT_BASE
 	orr	\rp, \rp, #0x00012000
diff --git a/arch/arm/mach-kirkwood/include/mach/memory.h b/arch/arm/mach-kirkwood/include/mach/memory.h
deleted file mode 100644
index 4600b44e3ad3..000000000000
--- a/arch/arm/mach-kirkwood/include/mach/memory.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/*
- * arch/arm/mach-kirkwood/include/mach/memory.h
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET		UL(0x00000000)
-
-#endif
diff --git a/arch/arm/mach-ks8695/include/mach/debug-macro.S b/arch/arm/mach-ks8695/include/mach/debug-macro.S
index bf516adf1925..a79e48981202 100644
--- a/arch/arm/mach-ks8695/include/mach/debug-macro.S
+++ b/arch/arm/mach-ks8695/include/mach/debug-macro.S
@@ -14,7 +14,7 @@
 #include <mach/hardware.h>
 #include <mach/regs-uart.h>
 
-	.macro	addruart, rp, rv
+	.macro	addruart, rp, rv, tmp
 		ldr	\rp, =KS8695_UART_PA		@ physical base address
 		ldr	\rv, =KS8695_UART_VA		@ virtual base address
 	.endm
diff --git a/arch/arm/mach-l7200/include/mach/debug-macro.S b/arch/arm/mach-l7200/include/mach/debug-macro.S
index b0a2db77d392..0b4e760159b9 100644
--- a/arch/arm/mach-l7200/include/mach/debug-macro.S
+++ b/arch/arm/mach-l7200/include/mach/debug-macro.S
@@ -14,7 +14,7 @@
 		.equ	io_virt, IO_BASE
 		.equ	io_phys, IO_START
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #0x00044000	@ UART1
 @		mov	\rp, #0x00045000	@ UART2
 		add	\rv, \rp, #io_virt	@ virtual address
diff --git a/arch/arm/mach-lpc32xx/include/mach/debug-macro.S b/arch/arm/mach-lpc32xx/include/mach/debug-macro.S
index 629e744aeb9e..351bd6c84909 100644
--- a/arch/arm/mach-lpc32xx/include/mach/debug-macro.S
+++ b/arch/arm/mach-lpc32xx/include/mach/debug-macro.S
@@ -20,7 +20,7 @@
  * Debug output is hardcoded to standard UART 5
 */
 
-	.macro	addruart, rp, rv
+	.macro	addruart, rp, rv, tmp
 	ldreq	\rp, =0x40090000
 	ldrne	\rv, =0xF4090000
 	.endm
diff --git a/arch/arm/mach-lpc32xx/include/mach/memory.h b/arch/arm/mach-lpc32xx/include/mach/memory.h
deleted file mode 100644
index a647dd624afa..000000000000
--- a/arch/arm/mach-lpc32xx/include/mach/memory.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * arch/arm/mach-lpc32xx/include/mach/memory.h
- *
- * Author: Kevin Wells <kevin.wells@nxp.com>
- *
- * Copyright (C) 2010 NXP Semiconductors
- *
- * 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.
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-/*
- * Physical DRAM offset of bank 0
- */
-#define PLAT_PHYS_OFFSET	UL(0x80000000)
-
-#endif
diff --git a/arch/arm/mach-mmp/include/mach/debug-macro.S b/arch/arm/mach-mmp/include/mach/debug-macro.S
index 7e2ebd3efc7c..b6f14d203c25 100644
--- a/arch/arm/mach-mmp/include/mach/debug-macro.S
+++ b/arch/arm/mach-mmp/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
 
 #include <mach/addr-map.h>
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		ldr	\rp, =APB_PHYS_BASE		@ physical
 		ldr	\rv, =APB_VIRT_BASE		@ virtual
 		orr	\rp, \rp, #0x00017000
diff --git a/arch/arm/mach-mmp/include/mach/memory.h b/arch/arm/mach-mmp/include/mach/memory.h
deleted file mode 100644
index d68b50a2d6a0..000000000000
--- a/arch/arm/mach-mmp/include/mach/memory.h
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- * linux/arch/arm/mach-mmp/include/mach/memory.h
- *
- * 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.
- */
-
-#ifndef __ASM_MACH_MEMORY_H
-#define __ASM_MACH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET	UL(0x00000000)
-
-#endif /* __ASM_MACH_MEMORY_H */
diff --git a/arch/arm/mach-msm/board-msm7x30.c b/arch/arm/mach-msm/board-msm7x30.c
index 5a2ab6855183..bb72ea0383b7 100644
--- a/arch/arm/mach-msm/board-msm7x30.c
+++ b/arch/arm/mach-msm/board-msm7x30.c
@@ -24,6 +24,7 @@
 #include <linux/smsc911x.h>
 #include <linux/usb/msm_hsusb.h>
 #include <linux/clkdev.h>
+#include <linux/memblock.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -42,6 +43,21 @@
 
 extern struct sys_timer msm_timer;
 
+static void __init msm7x30_fixup(struct machine_desc *desc, struct tag *tag,
+			 char **cmdline, struct meminfo *mi)
+{
+	for (; tag->hdr.size; tag = tag_next(tag))
+		if (tag->hdr.tag == ATAG_MEM && tag->u.mem.start == 0x200000) {
+			tag->u.mem.start = 0;
+			tag->u.mem.size += SZ_2M;
+		}
+}
+
+static void __init msm7x30_reserve(void)
+{
+	memblock_remove(0x0, SZ_2M);
+}
+
 static int hsusb_phy_init_seq[] = {
 	0x30, 0x32,	/* Enable and set Pre-Emphasis Depth to 20% */
 	0x02, 0x36,	/* Disable CDR Auto Reset feature */
@@ -107,6 +123,8 @@ static void __init msm7x30_map_io(void)
 
 MACHINE_START(MSM7X30_SURF, "QCT MSM7X30 SURF")
 	.atag_offset = 0x100,
+	.fixup = msm7x30_fixup,
+	.reserve = msm7x30_reserve,
 	.map_io = msm7x30_map_io,
 	.init_irq = msm7x30_init_irq,
 	.init_machine = msm7x30_init,
@@ -115,6 +133,8 @@ MACHINE_END
 
 MACHINE_START(MSM7X30_FFA, "QCT MSM7X30 FFA")
 	.atag_offset = 0x100,
+	.fixup = msm7x30_fixup,
+	.reserve = msm7x30_reserve,
 	.map_io = msm7x30_map_io,
 	.init_irq = msm7x30_init_irq,
 	.init_machine = msm7x30_init,
@@ -123,6 +143,8 @@ MACHINE_END
 
 MACHINE_START(MSM7X30_FLUID, "QCT MSM7X30 FLUID")
 	.atag_offset = 0x100,
+	.fixup = msm7x30_fixup,
+	.reserve = msm7x30_reserve,
 	.map_io = msm7x30_map_io,
 	.init_irq = msm7x30_init_irq,
 	.init_machine = msm7x30_init,
diff --git a/arch/arm/mach-msm/board-msm8960.c b/arch/arm/mach-msm/board-msm8960.c
index 35c7ceeb3f29..b04468e7d00e 100644
--- a/arch/arm/mach-msm/board-msm8960.c
+++ b/arch/arm/mach-msm/board-msm8960.c
@@ -20,16 +20,34 @@
 #include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/clkdev.h>
+#include <linux/memblock.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/hardware/gic.h>
+#include <asm/setup.h>
 
 #include <mach/board.h>
 #include <mach/msm_iomap.h>
 
 #include "devices.h"
 
+static void __init msm8960_fixup(struct machine_desc *desc, struct tag *tag,
+			 char **cmdline, struct meminfo *mi)
+{
+	for (; tag->hdr.size; tag = tag_next(tag))
+		if (tag->hdr.tag == ATAG_MEM &&
+				tag->u.mem.start == 0x40200000) {
+			tag->u.mem.start = 0x40000000;
+			tag->u.mem.size += SZ_2M;
+		}
+}
+
+static void __init msm8960_reserve(void)
+{
+	memblock_remove(0x40000000, SZ_2M);
+}
+
 static void __init msm8960_map_io(void)
 {
 	msm_map_msm8960_io();
@@ -76,6 +94,8 @@ static void __init msm8960_rumi3_init(void)
 }
 
 MACHINE_START(MSM8960_SIM, "QCT MSM8960 SIMULATOR")
+	.fixup = msm8960_fixup,
+	.reserve = msm8960_reserve,
 	.map_io = msm8960_map_io,
 	.init_irq = msm8960_init_irq,
 	.timer = &msm_timer,
@@ -83,6 +103,8 @@ MACHINE_START(MSM8960_SIM, "QCT MSM8960 SIMULATOR")
 MACHINE_END
 
 MACHINE_START(MSM8960_RUMI3, "QCT MSM8960 RUMI3")
+	.fixup = msm8960_fixup,
+	.reserve = msm8960_reserve,
 	.map_io = msm8960_map_io,
 	.init_irq = msm8960_init_irq,
 	.timer = &msm_timer,
diff --git a/arch/arm/mach-msm/board-msm8x60.c b/arch/arm/mach-msm/board-msm8x60.c
index 1163b6fd05d2..106170fb1844 100644
--- a/arch/arm/mach-msm/board-msm8x60.c
+++ b/arch/arm/mach-msm/board-msm8x60.c
@@ -20,14 +20,31 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/irq.h>
+#include <linux/memblock.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/hardware/gic.h>
+#include <asm/setup.h>
 
 #include <mach/board.h>
 #include <mach/msm_iomap.h>
 
+static void __init msm8x60_fixup(struct machine_desc *desc, struct tag *tag,
+			 char **cmdline, struct meminfo *mi)
+{
+	for (; tag->hdr.size; tag = tag_next(tag))
+		if (tag->hdr.tag == ATAG_MEM &&
+				tag->u.mem.start == 0x40200000) {
+			tag->u.mem.start = 0x40000000;
+			tag->u.mem.size += SZ_2M;
+		}
+}
+
+static void __init msm8x60_reserve(void)
+{
+	memblock_remove(0x40000000, SZ_2M);
+}
 
 static void __init msm8x60_map_io(void)
 {
@@ -36,8 +53,6 @@ static void __init msm8x60_map_io(void)
 
 static void __init msm8x60_init_irq(void)
 {
-	unsigned int i;
-
 	gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE,
 		 (void *)MSM_QGIC_CPU_BASE);
 
@@ -49,15 +64,6 @@ static void __init msm8x60_init_irq(void)
 	 */
 	if (!machine_is_msm8x60_sim())
 		writel(0x0000FFFF, MSM_QGIC_DIST_BASE + GIC_DIST_ENABLE_SET);
-
-	/* FIXME: Not installing AVS_SVICINT and AVS_SVICINTSWDONE yet
-	 * as they are configured as level, which does not play nice with
-	 * handle_percpu_irq.
-	 */
-	for (i = GIC_PPI_START; i < GIC_SPI_START; i++) {
-		if (i != AVS_SVICINT && i != AVS_SVICINTSWDONE)
-			irq_set_handler(i, handle_percpu_irq);
-	}
 }
 
 static void __init msm8x60_init(void)
@@ -65,6 +71,8 @@ static void __init msm8x60_init(void)
 }
 
 MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3")
+	.fixup = msm8x60_fixup,
+	.reserve = msm8x60_reserve,
 	.map_io = msm8x60_map_io,
 	.init_irq = msm8x60_init_irq,
 	.init_machine = msm8x60_init,
@@ -72,6 +80,8 @@ MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3")
 MACHINE_END
 
 MACHINE_START(MSM8X60_SURF, "QCT MSM8X60 SURF")
+	.fixup = msm8x60_fixup,
+	.reserve = msm8x60_reserve,
 	.map_io = msm8x60_map_io,
 	.init_irq = msm8x60_init_irq,
 	.init_machine = msm8x60_init,
@@ -79,6 +89,8 @@ MACHINE_START(MSM8X60_SURF, "QCT MSM8X60 SURF")
 MACHINE_END
 
 MACHINE_START(MSM8X60_SIM, "QCT MSM8X60 SIMULATOR")
+	.fixup = msm8x60_fixup,
+	.reserve = msm8x60_reserve,
 	.map_io = msm8x60_map_io,
 	.init_irq = msm8x60_init_irq,
 	.init_machine = msm8x60_init,
@@ -86,6 +98,8 @@ MACHINE_START(MSM8X60_SIM, "QCT MSM8X60 SIMULATOR")
 MACHINE_END
 
 MACHINE_START(MSM8X60_FFA, "QCT MSM8X60 FFA")
+	.fixup = msm8x60_fixup,
+	.reserve = msm8x60_reserve,
 	.map_io = msm8x60_map_io,
 	.init_irq = msm8x60_init_irq,
 	.init_machine = msm8x60_init,
diff --git a/arch/arm/mach-msm/include/mach/debug-macro.S b/arch/arm/mach-msm/include/mach/debug-macro.S
index 646b99ebc773..2dc73ccddb11 100644
--- a/arch/arm/mach-msm/include/mach/debug-macro.S
+++ b/arch/arm/mach-msm/include/mach/debug-macro.S
@@ -20,7 +20,7 @@
 #include <mach/msm_iomap.h>
 
 #if defined(CONFIG_HAS_MSM_DEBUG_UART_PHYS) && !defined(CONFIG_MSM_DEBUG_UART_NONE)
-	.macro	addruart, rp, rv
+	.macro	addruart, rp, rv, tmp
 	ldr	\rp, =MSM_DEBUG_UART_PHYS
 	ldr	\rv, =MSM_DEBUG_UART_BASE
 	.endm
@@ -37,7 +37,7 @@
 	beq	1001b
 	.endm
 #else
-	.macro  addruart, rp, rv
+	.macro  addruart, rp, rv, tmp
 	mov	\rv, #0xff000000
 	orr	\rv, \rv, #0x00f00000
 	.endm
diff --git a/arch/arm/mach-msm/include/mach/entry-macro-qgic.S b/arch/arm/mach-msm/include/mach/entry-macro-qgic.S
index 12467157afb9..717076f3ca73 100644
--- a/arch/arm/mach-msm/include/mach/entry-macro-qgic.S
+++ b/arch/arm/mach-msm/include/mach/entry-macro-qgic.S
@@ -8,81 +8,10 @@
  * warranty of any kind, whether express or implied.
  */
 
-#include <mach/hardware.h>
-#include <asm/hardware/gic.h>
+#include <asm/hardware/entry-macro-gic.S>
 
 	.macro	disable_fiq
 	.endm
 
-	.macro  get_irqnr_preamble, base, tmp
-	ldr	\base, =gic_cpu_base_addr
-	ldr	\base, [\base]
-	.endm
-
 	.macro  arch_ret_to_user, tmp1, tmp2
 	.endm
-
-	/*
-	 * The interrupt numbering scheme is defined in the
-	 * interrupt controller spec.  To wit:
-	 *
-	 * Migrated the code from ARM MP port to be more consistent
-	 * with interrupt processing , the following still holds true
-	 * however, all interrupts are treated the same regardless of
-	 * if they are local IPI or PPI
-	 *
-	 * Interrupts 0-15 are IPI
-	 * 16-31 are PPI
-	 *   (16-18 are the timers)
-	 * 32-1020 are global
-	 * 1021-1022 are reserved
-	 * 1023 is "spurious" (no interrupt)
-	 *
-	 * A simple read from the controller will tell us the number of the
-	 * highest priority enabled interrupt.  We then just need to check
-	 * whether it is in the valid range for an IRQ (0-1020 inclusive).
-	 *
-	 * Base ARM code assumes that the local (private) peripheral interrupts
-	 * are not valid, we treat them differently, in that the privates are
-	 * handled like normal shared interrupts with the exception that only
-	 * one processor can register the interrupt and the handler must be
-	 * the same for all processors.
-	 */
-
-	.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
-
-	ldr  \irqstat, [\base, #GIC_CPU_INTACK] /* bits 12-10 =srcCPU,
-						   9-0 =int # */
-
-	bic     \irqnr, \irqstat, #0x1c00	@mask src
-	cmp     \irqnr, #15
-	ldr		\tmp, =1021
-	cmpcc	\irqnr, \irqnr
-	cmpne	\irqnr, \tmp
-	cmpcs	\irqnr, \irqnr
-
-	.endm
-
-	/* We assume that irqstat (the raw value of the IRQ acknowledge
-	 * register) is preserved from the macro above.
-	 * If there is an IPI, we immediately signal end of interrupt on the
-	 * controller, since this requires the original irqstat value which
-	 * we won't easily be able to recreate later.
-	 */
-	.macro test_for_ipi, irqnr, irqstat, base, tmp
-    bic \irqnr, \irqstat, #0x1c00
-    cmp \irqnr, #16
-    strcc   \irqstat, [\base, #GIC_CPU_EOI]
-    cmpcs   \irqnr, \irqnr
-	.endm
-
-	/* As above, this assumes that irqstat and base are preserved.. */
-
-	.macro test_for_ltirq, irqnr, irqstat, base, tmp
-    bic \irqnr, \irqstat, #0x1c00
-    mov     \tmp, #0
-    cmp \irqnr, #16
-    moveq   \tmp, #1
-    streq   \irqstat, [\base, #GIC_CPU_EOI]
-    cmp \tmp, #0
-	.endm
diff --git a/arch/arm/mach-msm/include/mach/memory.h b/arch/arm/mach-msm/include/mach/memory.h
deleted file mode 100644
index f2f8d299ba95..000000000000
--- a/arch/arm/mach-msm/include/mach/memory.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* arch/arm/mach-msm/include/mach/memory.h
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- *
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-/* physical offset of RAM */
-#if defined(CONFIG_ARCH_QSD8X50) && defined(CONFIG_MSM_SOC_REV_A)
-#define PLAT_PHYS_OFFSET		UL(0x00000000)
-#elif defined(CONFIG_ARCH_QSD8X50)
-#define PLAT_PHYS_OFFSET		UL(0x20000000)
-#elif defined(CONFIG_ARCH_MSM7X30)
-#define PLAT_PHYS_OFFSET		UL(0x00200000)
-#elif defined(CONFIG_ARCH_MSM8X60)
-#define PLAT_PHYS_OFFSET		UL(0x40200000)
-#elif defined(CONFIG_ARCH_MSM8960)
-#define PLAT_PHYS_OFFSET		UL(0x40200000)
-#else
-#define PLAT_PHYS_OFFSET		UL(0x10000000)
-#endif
-
-#endif
-
diff --git a/arch/arm/mach-msm/platsmp.c b/arch/arm/mach-msm/platsmp.c
index 1a1af9e56250..727659520912 100644
--- a/arch/arm/mach-msm/platsmp.c
+++ b/arch/arm/mach-msm/platsmp.c
@@ -156,6 +156,12 @@ void __init smp_init_cpus(void)
 {
 	unsigned int i, ncores = get_core_count();
 
+	if (ncores > nr_cpu_ids) {
+		pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+			ncores, nr_cpu_ids);
+		ncores = nr_cpu_ids;
+	}
+
 	for (i = 0; i < ncores; i++)
 		set_cpu_possible(i, true);
 
diff --git a/arch/arm/mach-msm/timer.c b/arch/arm/mach-msm/timer.c
index 63621f152c98..afeeca52fc66 100644
--- a/arch/arm/mach-msm/timer.c
+++ b/arch/arm/mach-msm/timer.c
@@ -71,12 +71,16 @@ enum timer_location {
 struct msm_clock {
 	struct clock_event_device   clockevent;
 	struct clocksource          clocksource;
-	struct irqaction            irq;
+	unsigned int		    irq;
 	void __iomem                *regbase;
 	uint32_t                    freq;
 	uint32_t                    shift;
 	void __iomem                *global_counter;
 	void __iomem                *local_counter;
+	union {
+		struct clock_event_device		*evt;
+		struct clock_event_device __percpu	**percpu_evt;
+	};		
 };
 
 enum {
@@ -87,13 +91,10 @@ enum {
 
 
 static struct msm_clock msm_clocks[];
-static struct clock_event_device *local_clock_event;
 
 static irqreturn_t msm_timer_interrupt(int irq, void *dev_id)
 {
-	struct clock_event_device *evt = dev_id;
-	if (smp_processor_id() != 0)
-		evt = local_clock_event;
+	struct clock_event_device *evt = *(struct clock_event_device **)dev_id;
 	if (evt->event_handler == NULL)
 		return IRQ_HANDLED;
 	evt->event_handler(evt);
@@ -171,13 +172,7 @@ static struct msm_clock msm_clocks[] = {
 			.mask           = CLOCKSOURCE_MASK(32),
 			.flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 		},
-		.irq = {
-			.name    = "gp_timer",
-			.flags   = IRQF_DISABLED | IRQF_TIMER | IRQF_TRIGGER_RISING,
-			.handler = msm_timer_interrupt,
-			.dev_id  = &msm_clocks[0].clockevent,
-			.irq     = INT_GP_TIMER_EXP
-		},
+		.irq = INT_GP_TIMER_EXP,
 		.freq = GPT_HZ,
 	},
 	[MSM_CLOCK_DGT] = {
@@ -196,13 +191,7 @@ static struct msm_clock msm_clocks[] = {
 			.mask           = CLOCKSOURCE_MASK((32 - MSM_DGT_SHIFT)),
 			.flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 		},
-		.irq = {
-			.name    = "dg_timer",
-			.flags   = IRQF_DISABLED | IRQF_TIMER | IRQF_TRIGGER_RISING,
-			.handler = msm_timer_interrupt,
-			.dev_id  = &msm_clocks[1].clockevent,
-			.irq     = INT_DEBUG_TIMER_EXP
-		},
+		.irq = INT_DEBUG_TIMER_EXP,
 		.freq = DGT_HZ >> MSM_DGT_SHIFT,
 		.shift = MSM_DGT_SHIFT,
 	}
@@ -261,10 +250,30 @@ static void __init msm_timer_init(void)
 			printk(KERN_ERR "msm_timer_init: clocksource_register "
 			       "failed for %s\n", cs->name);
 
-		res = setup_irq(clock->irq.irq, &clock->irq);
+		ce->irq = clock->irq;
+		if (cpu_is_msm8x60() || cpu_is_msm8960()) {
+			clock->percpu_evt = alloc_percpu(struct clock_event_device *);
+			if (!clock->percpu_evt) {
+				pr_err("msm_timer_init: memory allocation "
+				       "failed for %s\n", ce->name);
+				continue;
+			}
+
+			*__this_cpu_ptr(clock->percpu_evt) = ce;
+			res = request_percpu_irq(ce->irq, msm_timer_interrupt,
+						 ce->name, clock->percpu_evt);
+			if (!res)
+				enable_percpu_irq(ce->irq, 0);
+		} else {
+			clock->evt = ce;
+			res = request_irq(ce->irq, msm_timer_interrupt,
+					  IRQF_TIMER | IRQF_NOBALANCING | IRQF_TRIGGER_RISING,
+					  ce->name, &clock->evt);
+		}
+
 		if (res)
-			printk(KERN_ERR "msm_timer_init: setup_irq "
-			       "failed for %s\n", cs->name);
+			pr_err("msm_timer_init: request_irq failed for %s\n",
+			       ce->name);
 
 		clockevents_register_device(ce);
 	}
@@ -273,6 +282,7 @@ static void __init msm_timer_init(void)
 #ifdef CONFIG_SMP
 int __cpuinit local_timer_setup(struct clock_event_device *evt)
 {
+	static bool local_timer_inited;
 	struct msm_clock *clock = &msm_clocks[MSM_GLOBAL_TIMER];
 
 	/* Use existing clock_event for cpu 0 */
@@ -281,12 +291,13 @@ int __cpuinit local_timer_setup(struct clock_event_device *evt)
 
 	writel(DGT_CLK_CTL_DIV_4, MSM_TMR_BASE + DGT_CLK_CTL);
 
-	if (!local_clock_event) {
+	if (!local_timer_inited) {
 		writel(0, clock->regbase  + TIMER_ENABLE);
 		writel(0, clock->regbase + TIMER_CLEAR);
 		writel(~0, clock->regbase + TIMER_MATCH_VAL);
+		local_timer_inited = true;
 	}
-	evt->irq = clock->irq.irq;
+	evt->irq = clock->irq;
 	evt->name = "local_timer";
 	evt->features = CLOCK_EVT_FEAT_ONESHOT;
 	evt->rating = clock->clockevent.rating;
@@ -298,17 +309,17 @@ int __cpuinit local_timer_setup(struct clock_event_device *evt)
 		clockevent_delta2ns(0xf0000000 >> clock->shift, evt);
 	evt->min_delta_ns = clockevent_delta2ns(4, evt);
 
-	local_clock_event = evt;
-
-	gic_enable_ppi(clock->irq.irq);
+	*__this_cpu_ptr(clock->percpu_evt) = evt;
+	enable_percpu_irq(evt->irq, 0);
 
 	clockevents_register_device(evt);
 	return 0;
 }
 
-inline int local_timer_ack(void)
+void local_timer_stop(struct clock_event_device *evt)
 {
-	return 1;
+	evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt);
+	disable_percpu_irq(evt->irq);
 }
 
 #endif
diff --git a/arch/arm/mach-mv78xx0/include/mach/debug-macro.S b/arch/arm/mach-mv78xx0/include/mach/debug-macro.S
index 04891428e48b..a7df02b049b7 100644
--- a/arch/arm/mach-mv78xx0/include/mach/debug-macro.S
+++ b/arch/arm/mach-mv78xx0/include/mach/debug-macro.S
@@ -8,7 +8,7 @@
 
 #include <mach/mv78xx0.h>
 
-	.macro	addruart, rp, rv
+	.macro	addruart, rp, rv, tmp
 	ldr	\rp, =MV78XX0_REGS_PHYS_BASE
 	ldr	\rv, =MV78XX0_REGS_VIRT_BASE
 	orr	\rp, \rp, #0x00012000
diff --git a/arch/arm/mach-mv78xx0/include/mach/memory.h b/arch/arm/mach-mv78xx0/include/mach/memory.h
deleted file mode 100644
index a648c51f2e42..000000000000
--- a/arch/arm/mach-mv78xx0/include/mach/memory.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/*
- * arch/arm/mach-mv78xx0/include/mach/memory.h
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET		UL(0x00000000)
-
-#endif
diff --git a/arch/arm/mach-mxs/include/mach/debug-macro.S b/arch/arm/mach-mxs/include/mach/debug-macro.S
index 79650a1ad78d..714570d83668 100644
--- a/arch/arm/mach-mxs/include/mach/debug-macro.S
+++ b/arch/arm/mach-mxs/include/mach/debug-macro.S
@@ -30,7 +30,7 @@
 
 #define UART_VADDR	MXS_IO_ADDRESS(UART_PADDR)
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		ldr	\rp, =UART_PADDR	@ physical
 		ldr	\rv, =UART_VADDR	@ virtual
 		.endm
diff --git a/arch/arm/mach-mxs/include/mach/memory.h b/arch/arm/mach-mxs/include/mach/memory.h
deleted file mode 100644
index b5420a5c2d4b..000000000000
--- a/arch/arm/mach-mxs/include/mach/memory.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
- *
- * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef __MACH_MXS_MEMORY_H__
-#define __MACH_MXS_MEMORY_H__
-
-#define PHYS_OFFSET		UL(0x40000000)
-
-#endif /* __MACH_MXS_MEMORY_H__ */
diff --git a/arch/arm/mach-netx/include/mach/debug-macro.S b/arch/arm/mach-netx/include/mach/debug-macro.S
index 56a915228180..247781e096e2 100644
--- a/arch/arm/mach-netx/include/mach/debug-macro.S
+++ b/arch/arm/mach-netx/include/mach/debug-macro.S
@@ -13,7 +13,7 @@
 
 #include "hardware.h"
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #0x00000a00
 		orr	\rv, \rp, #io_p2v(0x00100000)	@ virtual
 		orr	\rp, \rp, #0x00100000		@ physical
diff --git a/arch/arm/mach-netx/include/mach/memory.h b/arch/arm/mach-netx/include/mach/memory.h
deleted file mode 100644
index 59561496c36e..000000000000
--- a/arch/arm/mach-netx/include/mach/memory.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- *  arch/arm/mach-netx/include/mach/memory.h
- *
- * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * 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.
- *
- * 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
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET UL(0x80000000)
-
-#endif
-
diff --git a/arch/arm/mach-nomadik/include/mach/debug-macro.S b/arch/arm/mach-nomadik/include/mach/debug-macro.S
index e7151b4b8889..735417922ce2 100644
--- a/arch/arm/mach-nomadik/include/mach/debug-macro.S
+++ b/arch/arm/mach-nomadik/include/mach/debug-macro.S
@@ -10,7 +10,7 @@
  *
 */
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #0x00100000
 		add	\rp, \rp, #0x000fb000
 		add	\rv, \rp, #0xf0000000	@ virtual base
diff --git a/arch/arm/mach-nomadik/include/mach/memory.h b/arch/arm/mach-nomadik/include/mach/memory.h
deleted file mode 100644
index d3325211ba6a..000000000000
--- a/arch/arm/mach-nomadik/include/mach/memory.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- *  mach-nomadik/include/mach/memory.h
- *
- *  Copyright (C) 1999 ARM Limited
- *
- * 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
- */
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-/*
- * Physical DRAM offset.
- */
-#define PLAT_PHYS_OFFSET	UL(0x00000000)
-
-#endif
diff --git a/arch/arm/mach-nuc93x/include/mach/memory.h b/arch/arm/mach-nuc93x/include/mach/memory.h
deleted file mode 100644
index ef9864b002a6..000000000000
--- a/arch/arm/mach-nuc93x/include/mach/memory.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * arch/arm/mach-nuc93x/include/mach/memory.h
- *
- * Copyright (c) 2008 Nuvoton technology corporation
- * All rights reserved.
- *
- * Wan ZongShun <mcuos.com@gmail.com>
- *
- * 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.
- *
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET	UL(0x00000000)
-
-#endif
diff --git a/arch/arm/mach-omap1/include/mach/debug-macro.S b/arch/arm/mach-omap1/include/mach/debug-macro.S
index 62856044eb63..2b36a281dc84 100644
--- a/arch/arm/mach-omap1/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap1/include/mach/debug-macro.S
@@ -13,13 +13,8 @@
 
 #include <linux/serial_reg.h>
 
-#include <asm/memory.h>
-
 #include <plat/serial.h>
 
-#define omap_uart_v2p(x)	((x) - PAGE_OFFSET + PLAT_PHYS_OFFSET)
-#define omap_uart_p2v(x)	((x) - PLAT_PHYS_OFFSET + PAGE_OFFSET)
-
 		.pushsection .data
 omap_uart_phys:	.word	0x0
 omap_uart_virt:	.word	0x0
@@ -31,26 +26,24 @@ omap_uart_virt:	.word	0x0
 		 * the desired UART phys and virt addresses temporarily into
 		 * the omap_uart_phys and omap_uart_virt above.
 		 */
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 
 		/* Use omap_uart_phys/virt if already configured */
-9:		mrc	p15, 0, \rp, c1, c0
-		tst	\rp, #1			@ MMU enabled?
-		ldreq	\rp, =omap_uart_v2p(omap_uart_phys)	@ MMU disabled
-		ldrne	\rp, =omap_uart_phys	@ MMU enabled
-		add	\rv, \rp, #4		@ omap_uart_virt
-		ldr	\rp, [\rp, #0]
-		ldr	\rv, [\rv, #0]
+9:		adr	\rp, 99f		@ get effective addr of 99f
+		ldr	\rv, [\rp]		@ get absolute addr of 99f
+		sub	\rv, \rv, \rp		@ offset between the two
+		ldr	\rp, [\rp, #4]		@ abs addr of omap_uart_phys
+		sub	\tmp, \rp, \rv		@ make it effective
+		ldr	\rp, [\tmp, #0]		@ omap_uart_phys
+		ldr	\rv, [\tmp, #4]		@ omap_uart_virt
 		cmp	\rp, #0			@ is port configured?
 		cmpne	\rv, #0
-		bne	99f			@ already configured
+		bne	100f			@ already configured
 
 		/* Check the debug UART configuration set in uncompress.h */
-		mrc	p15, 0, \rp, c1, c0
-		tst	\rp, #1			@ MMU enabled?
-		ldreq	\rp, =OMAP_UART_INFO	@ MMU not enabled
-		ldrne	\rp, =omap_uart_p2v(OMAP_UART_INFO)	@ MMU enabled
-		ldr	\rp, [\rp, #0]
+		and	\rp, pc, #0xff000000
+		ldr	\rv, =OMAP_UART_INFO_OFS
+		ldr	\rp, [\rp, \rv]
 
 		/* Select the UART to use based on the UART1 scratchpad value */
 10:		cmp	\rp, #0			@ no port configured?
@@ -74,17 +67,18 @@ omap_uart_virt:	.word	0x0
 
 		/* Store both phys and virt address for the uart */
 98:		add	\rp, \rp, #0xff000000	@ phys base
-		mrc	p15, 0, \rv, c1, c0
-		tst	\rv, #1			@ MMU enabled?
-		ldreq	\rv, =omap_uart_v2p(omap_uart_phys)	@ MMU disabled
-		ldrne	\rv, =omap_uart_phys	@ MMU enabled
-		str	\rp, [\rv, #0]
+		str	\rp, [\tmp, #0]		@ omap_uart_phys
 		sub	\rp, \rp, #0xff000000	@ phys base
 		add	\rp, \rp, #0xfe000000	@ virt base
-		add	\rv, \rv, #4		@ omap_uart_lsr
-		str	\rp, [\rv, #0]
+		str	\rp, [\tmp, #4]		@ omap_uart_virt
 		b	9b
-99:
+
+		.align
+99:		.word	.
+		.word	omap_uart_phys
+		.ltorg
+
+100:
 		.endm
 
 		.macro	senduart,rd,rx
diff --git a/arch/arm/mach-omap1/include/mach/memory.h b/arch/arm/mach-omap1/include/mach/memory.h
index e9b600c113ef..c6337645ba8a 100644
--- a/arch/arm/mach-omap1/include/mach/memory.h
+++ b/arch/arm/mach-omap1/include/mach/memory.h
@@ -2,4 +2,55 @@
  * arch/arm/mach-omap1/include/mach/memory.h
  */
 
-#include <plat/memory.h>
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+/*
+ * Physical DRAM offset.
+ */
+#define PLAT_PHYS_OFFSET		UL(0x10000000)
+
+/*
+ * Bus address is physical address, except for OMAP-1510 Local Bus.
+ * OMAP-1510 bus address is translated into a Local Bus address if the
+ * OMAP bus type is lbus. We do the address translation based on the
+ * device overriding the defaults used in the dma-mapping API.
+ * Note that the is_lbus_device() test is not very efficient on 1510
+ * because of the strncmp().
+ */
+#ifdef CONFIG_ARCH_OMAP15XX
+
+/*
+ * OMAP-1510 Local Bus address offset
+ */
+#define OMAP1510_LB_OFFSET	UL(0x30000000)
+
+#define virt_to_lbus(x)		((x) - PAGE_OFFSET + OMAP1510_LB_OFFSET)
+#define lbus_to_virt(x)		((x) - OMAP1510_LB_OFFSET + PAGE_OFFSET)
+#define is_lbus_device(dev)	(cpu_is_omap15xx() && dev && (strncmp(dev_name(dev), "ohci", 4) == 0))
+
+#define __arch_pfn_to_dma(dev, pfn)	\
+	({ dma_addr_t __dma = __pfn_to_phys(pfn); \
+	   if (is_lbus_device(dev)) \
+		__dma = __dma - PHYS_OFFSET + OMAP1510_LB_OFFSET; \
+	   __dma; })
+
+#define __arch_dma_to_pfn(dev, addr)	\
+	({ dma_addr_t __dma = addr;				\
+	   if (is_lbus_device(dev))				\
+		__dma += PHYS_OFFSET - OMAP1510_LB_OFFSET;	\
+	   __phys_to_pfn(__dma);				\
+	})
+
+#define __arch_dma_to_virt(dev, addr)	({ (void *) (is_lbus_device(dev) ? \
+						lbus_to_virt(addr) : \
+						__phys_to_virt(addr)); })
+
+#define __arch_virt_to_dma(dev, addr)	({ unsigned long __addr = (unsigned long)(addr); \
+					   (dma_addr_t) (is_lbus_device(dev) ? \
+						virt_to_lbus(__addr) : \
+						__virt_to_phys(__addr)); })
+
+#endif	/* CONFIG_ARCH_OMAP15XX */
+
+#endif
diff --git a/arch/arm/mach-omap2/include/mach/debug-macro.S b/arch/arm/mach-omap2/include/mach/debug-macro.S
index 48adfe9fe4f3..13f98e59cfef 100644
--- a/arch/arm/mach-omap2/include/mach/debug-macro.S
+++ b/arch/arm/mach-omap2/include/mach/debug-macro.S
@@ -13,15 +13,10 @@
 
 #include <linux/serial_reg.h>
 
-#include <asm/memory.h>
-
 #include <plat/serial.h>
 
 #define UART_OFFSET(addr)	((addr) & 0x00ffffff)
 
-#define omap_uart_v2p(x)	((x) - PAGE_OFFSET + PLAT_PHYS_OFFSET)
-#define omap_uart_p2v(x)	((x) - PLAT_PHYS_OFFSET + PAGE_OFFSET)
-
 		.pushsection .data
 omap_uart_phys:	.word	0
 omap_uart_virt:	.word	0
@@ -34,26 +29,25 @@ omap_uart_lsr:	.word	0
 		 * the desired UART phys and virt addresses temporarily into
 		 * the omap_uart_phys and omap_uart_virt above.
 		 */
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 
 		/* Use omap_uart_phys/virt if already configured */
-10:		mrc	p15, 0, \rp, c1, c0
-		tst	\rp, #1			@ MMU enabled?
-		ldreq	\rp, =omap_uart_v2p(omap_uart_phys)	@ MMU disabled
-		ldrne	\rp, =omap_uart_phys	@ MMU enabled
-		add	\rv, \rp, #4		@ omap_uart_virt
-		ldr	\rp, [\rp, #0]
-		ldr	\rv, [\rv, #0]
+10:		adr	\rp, 99f		@ get effective addr of 99f
+		ldr	\rv, [\rp]		@ get absolute addr of 99f
+		sub	\rv, \rv, \rp		@ offset between the two
+		ldr	\rp, [\rp, #4]		@ abs addr of omap_uart_phys
+		sub	\tmp, \rp, \rv		@ make it effective
+		ldr	\rp, [\tmp, #0]		@ omap_uart_phys
+		ldr	\rv, [\tmp, #4]		@ omap_uart_virt
 		cmp	\rp, #0			@ is port configured?
 		cmpne	\rv, #0
-		bne	99f			@ already configured
+		bne	100f			@ already configured
 
 		/* Check the debug UART configuration set in uncompress.h */
-		mrc	p15, 0, \rp, c1, c0
-		tst	\rp, #1			@ MMU enabled?
-		ldreq	\rp, =OMAP_UART_INFO	@ MMU not enabled
-		ldrne	\rp, =omap_uart_p2v(OMAP_UART_INFO)	@ MMU enabled
-		ldr	\rp, [\rp, #0]
+		mov	\rp, pc
+		ldr	\rv, =OMAP_UART_INFO_OFS
+		and	\rp, \rp, #0xff000000
+		ldr	\rp, [\rp, \rv]
 
 		/* Select the UART to use based on the UART1 scratchpad value */
 		cmp	\rp, #0			@ no port configured?
@@ -106,50 +100,47 @@ omap_uart_lsr:	.word	0
 		b	98f
 83:		mov	\rp, #UART_OFFSET(TI816X_UART3_BASE)
 		b	98f
+
 95:		ldr	\rp, =ZOOM_UART_BASE
-		mrc	p15, 0, \rv, c1, c0
-		tst	\rv, #1			@ MMU enabled?
-		ldreq	\rv, =omap_uart_v2p(omap_uart_phys)	@ MMU disabled
-		ldrne	\rv, =omap_uart_phys	@ MMU enabled
-		str	\rp, [\rv, #0]
+		str	\rp, [\tmp, #0]		@ omap_uart_phys
 		ldr	\rp, =ZOOM_UART_VIRT
-		add	\rv, \rv, #4		@ omap_uart_virt
-		str	\rp, [\rv, #0]
+		str	\rp, [\tmp, #4]		@ omap_uart_virt
 		mov	\rp, #(UART_LSR << ZOOM_PORT_SHIFT)
-		add	\rv, \rv, #4		@ omap_uart_lsr
-		str	\rp, [\rv, #0]
+		str	\rp, [\tmp, #8]		@ omap_uart_lsr
 		b	10b
 
 		/* Store both phys and virt address for the uart */
 98:		add	\rp, \rp, #0x48000000	@ phys base
-		mrc	p15, 0, \rv, c1, c0
-		tst	\rv, #1			@ MMU enabled?
-		ldreq	\rv, =omap_uart_v2p(omap_uart_phys)	@ MMU disabled
-		ldrne	\rv, =omap_uart_phys	@ MMU enabled
-		str	\rp, [\rv, #0]
+		str	\rp, [\tmp, #0]		@ omap_uart_phys
 		sub	\rp, \rp, #0x48000000	@ phys base
 		add	\rp, \rp, #0xfa000000	@ virt base
-		add	\rv, \rv, #4		@ omap_uart_virt
-		str	\rp, [\rv, #0]
+		str	\rp, [\tmp, #4]		@ omap_uart_virt
 		mov	\rp, #(UART_LSR << OMAP_PORT_SHIFT)
-		add	\rv, \rv, #4		@ omap_uart_lsr
-		str	\rp, [\rv, #0]
+		str	\rp, [\tmp, #8]		@ omap_uart_lsr
 
 		b	10b
-99:
+
+		.align
+99:		.word	.
+		.word	omap_uart_phys
+		.ltorg
+
+100:		/* Pass the UART_LSR reg address */
+		ldr	\tmp, [\tmp, #8]	@ omap_uart_lsr
+		add	\rp, \rp, \tmp
+		add	\rv, \rv, \tmp
 		.endm
 
 		.macro	senduart,rd,rx
-		strb	\rd, [\rx]
+		orr	\rd, \rd, \rx, lsl #24	@ preserve LSR reg offset
+		bic	\rx, \rx, #0xff		@ get base (THR) reg address
+		strb	\rd, [\rx]		@ send lower byte of rd
+		orr	\rx, \rx, \rd, lsr #24	@ restore original rx (LSR)
+		bic	\rd, \rd, #(0xff << 24)	@ restore original rd
 		.endm
 
 		.macro	busyuart,rd,rx
-1001:		mrc	p15, 0, \rd, c1, c0
-		tst	\rd, #1			@ MMU enabled?
-		ldreq	\rd, =omap_uart_v2p(omap_uart_lsr)	@ MMU disabled
-		ldrne	\rd, =omap_uart_lsr	@ MMU enabled
-		ldr	\rd, [\rd, #0]
-		ldrb	\rd, [\rx, \rd]
+1001:		ldrb	\rd, [\rx]		@ rx contains UART_LSR address
 		and	\rd, \rd, #(UART_LSR_TEMT | UART_LSR_THRE)
 		teq	\rd, #(UART_LSR_TEMT | UART_LSR_THRE)
 		bne	1001b
diff --git a/arch/arm/mach-omap2/include/mach/entry-macro.S b/arch/arm/mach-omap2/include/mach/entry-macro.S
index ceb8b7e593d7..feb90a10945a 100644
--- a/arch/arm/mach-omap2/include/mach/entry-macro.S
+++ b/arch/arm/mach-omap2/include/mach/entry-macro.S
@@ -78,7 +78,7 @@
 4401:		ldr     \irqstat, [\base, #GIC_CPU_INTACK]
 		ldr     \tmp, =1021
 		bic     \irqnr, \irqstat, #0x1c00
-		cmp     \irqnr, #29
+		cmp     \irqnr, #15
 		cmpcc   \irqnr, \irqnr
 		cmpne   \irqnr, \tmp
 		cmpcs   \irqnr, \irqnr
@@ -101,18 +101,6 @@
 		it	cs
 		cmpcs	\irqnr, \irqnr
 		.endm
-
-		/* As above, this assumes that irqstat and base are preserved */
-
-		.macro test_for_ltirq, irqnr, irqstat, base, tmp
-		bic	\irqnr, \irqstat, #0x1c00
-		mov 	\tmp, #0
-		cmp	\irqnr, #29
-		itt	eq
-		moveq	\tmp, #1
-		streq	\irqstat, [\base, #GIC_CPU_EOI]
-		cmp	\tmp, #0
-		.endm
 #endif	/* CONFIG_SMP */
 
 #else	/* MULTI_OMAP2 */
diff --git a/arch/arm/mach-omap2/include/mach/memory.h b/arch/arm/mach-omap2/include/mach/memory.h
deleted file mode 100644
index ca6d32a917dd..000000000000
--- a/arch/arm/mach-omap2/include/mach/memory.h
+++ /dev/null
@@ -1,5 +0,0 @@
-/*
- * arch/arm/mach-omap2/include/mach/memory.h
- */
-
-#include <plat/memory.h>
diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c
index ce65e9329c7b..889464dc7b2d 100644
--- a/arch/arm/mach-omap2/omap-smp.c
+++ b/arch/arm/mach-omap2/omap-smp.c
@@ -109,12 +109,10 @@ void __init smp_init_cpus(void)
 	ncores = scu_get_core_count(scu_base);
 
 	/* sanity check */
-	if (ncores > NR_CPUS) {
-		printk(KERN_WARNING
-		       "OMAP4: no. of cores (%d) greater than configured "
-		       "maximum of %d - clipping\n",
-		       ncores, NR_CPUS);
-		ncores = NR_CPUS;
+	if (ncores > nr_cpu_ids) {
+		pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+			ncores, nr_cpu_ids);
+		ncores = nr_cpu_ids;
 	}
 
 	for (i = 0; i < ncores; i++)
diff --git a/arch/arm/mach-orion5x/include/mach/debug-macro.S b/arch/arm/mach-orion5x/include/mach/debug-macro.S
index 5e3bf5b68aec..f340ed8f8dd0 100644
--- a/arch/arm/mach-orion5x/include/mach/debug-macro.S
+++ b/arch/arm/mach-orion5x/include/mach/debug-macro.S
@@ -10,7 +10,7 @@
 
 #include <mach/orion5x.h>
 
-	.macro  addruart, rp, rv
+	.macro  addruart, rp, rv, tmp
 	ldr	\rp, =ORION5X_REGS_PHYS_BASE
 	ldr	\rv, =ORION5X_REGS_VIRT_BASE
 	orr	\rp, \rp, #0x00012000
diff --git a/arch/arm/mach-orion5x/include/mach/memory.h b/arch/arm/mach-orion5x/include/mach/memory.h
deleted file mode 100644
index 6769917882fe..000000000000
--- a/arch/arm/mach-orion5x/include/mach/memory.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/*
- * arch/arm/mach-orion5x/include/mach/memory.h
- *
- * Marvell Orion memory definitions
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET	UL(0x00000000)
-
-#endif
diff --git a/arch/arm/mach-pnx4008/include/mach/debug-macro.S b/arch/arm/mach-pnx4008/include/mach/debug-macro.S
index 931afebaf064..469d60d97f5c 100644
--- a/arch/arm/mach-pnx4008/include/mach/debug-macro.S
+++ b/arch/arm/mach-pnx4008/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
  *
 */
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #0x00090000
 		add	\rv, \rp, #0xf4000000	@ virtual
 		add	\rp, \rp, #0x40000000	@ physical
diff --git a/arch/arm/mach-pnx4008/include/mach/memory.h b/arch/arm/mach-pnx4008/include/mach/memory.h
deleted file mode 100644
index 1275db61cee5..000000000000
--- a/arch/arm/mach-pnx4008/include/mach/memory.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * arch/arm/mach-pnx4008/include/mach/memory.h
- *
- * Copyright (c) 2005 Philips Semiconductors
- * Copyright (c) 2005 MontaVista Software, Inc.
- *
- *  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.
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-/*
- * Physical DRAM offset.
- */
-#define PLAT_PHYS_OFFSET	UL(0x80000000)
-
-#endif
diff --git a/arch/arm/mach-prima2/include/mach/debug-macro.S b/arch/arm/mach-prima2/include/mach/debug-macro.S
index bf75106333ff..cd97492bb075 100644
--- a/arch/arm/mach-prima2/include/mach/debug-macro.S
+++ b/arch/arm/mach-prima2/include/mach/debug-macro.S
@@ -9,7 +9,7 @@
 #include <mach/hardware.h>
 #include <mach/uart.h>
 
-	.macro	addruart, rp, rv
+	.macro	addruart, rp, rv, tmp
 	ldr	\rp, =SIRFSOC_UART1_PA_BASE		@ physical
 	ldr	\rv, =SIRFSOC_UART1_VA_BASE		@ virtual
 	.endm
diff --git a/arch/arm/mach-prima2/include/mach/memory.h b/arch/arm/mach-prima2/include/mach/memory.h
deleted file mode 100644
index 368cd5a0601a..000000000000
--- a/arch/arm/mach-prima2/include/mach/memory.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * arch/arm/mach-prima2/include/mach/memory.h
- *
- * Copyright (c) 2010 – 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET        UL(0x00000000)
-
-/*
- * Restrict DMA-able region to workaround silicon limitation.
- * The limitation restricts buffers available for DMA to SD/MMC
- * hardware to be below 256MB
- */
-#define ARM_DMA_ZONE_SIZE	(SZ_256M)
-
-#endif
diff --git a/arch/arm/mach-prima2/l2x0.c b/arch/arm/mach-prima2/l2x0.c
index 9cda2057bcfb..66c6387e5a04 100644
--- a/arch/arm/mach-prima2/l2x0.c
+++ b/arch/arm/mach-prima2/l2x0.c
@@ -13,7 +13,6 @@
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <asm/hardware/cache-l2x0.h>
-#include <mach/memory.h>
 
 #define L2X0_ADDR_FILTERING_START       0xC00
 #define L2X0_ADDR_FILTERING_END         0xC04
@@ -41,9 +40,9 @@ static int __init sirfsoc_of_l2x_init(void)
 		/*
 		 * set the physical memory windows L2 cache will cover
 		 */
-		writel_relaxed(PLAT_PHYS_OFFSET + 1024 * 1024 * 1024,
+		writel_relaxed(PHYS_OFFSET + 1024 * 1024 * 1024,
 			sirfsoc_l2x_base + L2X0_ADDR_FILTERING_END);
-		writel_relaxed(PLAT_PHYS_OFFSET | 0x1,
+		writel_relaxed(PHYS_OFFSET | 0x1,
 			sirfsoc_l2x_base + L2X0_ADDR_FILTERING_START);
 
 		writel_relaxed(0,
diff --git a/arch/arm/mach-prima2/prima2.c b/arch/arm/mach-prima2/prima2.c
index 5654a04319fd..ee33c3d458f5 100644
--- a/arch/arm/mach-prima2/prima2.c
+++ b/arch/arm/mach-prima2/prima2.c
@@ -36,6 +36,7 @@ MACHINE_START(PRIMA2_EVB, "prima2cb")
 	.map_io         = sirfsoc_map_lluart,
 	.init_irq	= sirfsoc_of_irq_init,
 	.timer		= &sirfsoc_timer,
+	.dma_zone_size	= SZ_256M,
 	.init_machine	= sirfsoc_mach_init,
 	.dt_compat      = prima2cb_dt_match,
 MACHINE_END
diff --git a/arch/arm/mach-pxa/include/mach/debug-macro.S b/arch/arm/mach-pxa/include/mach/debug-macro.S
index 7d5c75125d65..70b112e8ef68 100644
--- a/arch/arm/mach-pxa/include/mach/debug-macro.S
+++ b/arch/arm/mach-pxa/include/mach/debug-macro.S
@@ -13,7 +13,7 @@
 
 #include "hardware.h"
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #0x00100000
 		orr	\rv, \rp, #io_p2v(0x40000000)	@ virtual
 		orr	\rp, \rp, #0x40000000		@ physical
diff --git a/arch/arm/mach-pxa/include/mach/memory.h b/arch/arm/mach-pxa/include/mach/memory.h
deleted file mode 100644
index d05a59727d66..000000000000
--- a/arch/arm/mach-pxa/include/mach/memory.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- *  arch/arm/mach-pxa/include/mach/memory.h
- *
- * Author:	Nicolas Pitre
- * Copyright:	(C) 2001 MontaVista Software Inc.
- *
- * 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.
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-/*
- * Physical DRAM offset.
- */
-#define PLAT_PHYS_OFFSET	UL(0xa0000000)
-
-#endif
diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c
index 65fed3753fa2..84ed72de53b5 100644
--- a/arch/arm/mach-pxa/z2.c
+++ b/arch/arm/mach-pxa/z2.c
@@ -686,7 +686,7 @@ static void z2_power_off(void)
 	 */
 	PSPR = 0x0;
 	local_irq_disable();
-	pxa27x_cpu_suspend(PWRMODE_DEEPSLEEP, PLAT_PHYS_OFFSET - PAGE_OFFSET);
+	pxa27x_cpu_suspend(PWRMODE_DEEPSLEEP, PHYS_OFFSET - PAGE_OFFSET);
 }
 #else
 #define z2_power_off   NULL
diff --git a/arch/arm/mach-realview/include/mach/debug-macro.S b/arch/arm/mach-realview/include/mach/debug-macro.S
index 90b687cbe04e..fb4901c4ef04 100644
--- a/arch/arm/mach-realview/include/mach/debug-macro.S
+++ b/arch/arm/mach-realview/include/mach/debug-macro.S
@@ -33,7 +33,7 @@
 #error "Unknown RealView platform"
 #endif
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #DEBUG_LL_UART_OFFSET
 		orr	\rv, \rp, #0xfb000000	@ virtual base
 		orr	\rp, \rp, #0x10000000	@ physical base
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c
index 4ae943bafa92..e83c654a58d0 100644
--- a/arch/arm/mach-realview/platsmp.c
+++ b/arch/arm/mach-realview/platsmp.c
@@ -52,12 +52,10 @@ void __init smp_init_cpus(void)
 	ncores = scu_base ? scu_get_core_count(scu_base) : 1;
 
 	/* sanity check */
-	if (ncores > NR_CPUS) {
-		printk(KERN_WARNING
-		       "Realview: no. of cores (%d) greater than configured "
-		       "maximum of %d - clipping\n",
-		       ncores, NR_CPUS);
-		ncores = NR_CPUS;
+	if (ncores > nr_cpu_ids) {
+		pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+			ncores, nr_cpu_ids);
+		ncores = nr_cpu_ids;
 	}
 
 	for (i = 0; i < ncores; i++)
diff --git a/arch/arm/mach-rpc/include/mach/debug-macro.S b/arch/arm/mach-rpc/include/mach/debug-macro.S
index 85effffdc2b2..6d28cc99b124 100644
--- a/arch/arm/mach-rpc/include/mach/debug-macro.S
+++ b/arch/arm/mach-rpc/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
  *
 */
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #0x00010000
 		orr	\rp, \rp, #0x00000fe0
 		orr	\rv, \rp, #0xe0000000	@ virtual
diff --git a/arch/arm/mach-s3c2400/include/mach/memory.h b/arch/arm/mach-s3c2400/include/mach/memory.h
deleted file mode 100644
index 3f33670dd012..000000000000
--- a/arch/arm/mach-s3c2400/include/mach/memory.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* arch/arm/mach-s3c2400/include/mach/memory.h
- *  from arch/arm/mach-rpc/include/mach/memory.h
- *
- *  Copyright 2007 Simtec Electronics
- *	http://armlinux.simtec.co.uk/
- *	Ben Dooks <ben@simtec.co.uk>
- *
- *  Copyright (C) 1996,1997,1998 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.
-*/
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET	UL(0x0C000000)
-
-#endif
diff --git a/arch/arm/mach-s3c2410/include/mach/debug-macro.S b/arch/arm/mach-s3c2410/include/mach/debug-macro.S
index 5882deaa56be..4135de87d1f7 100644
--- a/arch/arm/mach-s3c2410/include/mach/debug-macro.S
+++ b/arch/arm/mach-s3c2410/include/mach/debug-macro.S
@@ -19,7 +19,7 @@
 #define S3C2410_UART1_OFF (0x4000)
 #define SHIFT_2440TXF (14-9)
 
-	.macro addruart, rp, rv
+	.macro addruart, rp, rv, tmp
 		ldr	\rp, = S3C24XX_PA_UART
 		ldr	\rv, = S3C24XX_VA_UART
 #if CONFIG_DEBUG_S3C_UART != 0
diff --git a/arch/arm/mach-s3c2410/include/mach/memory.h b/arch/arm/mach-s3c2410/include/mach/memory.h
deleted file mode 100644
index f92b97b89c0c..000000000000
--- a/arch/arm/mach-s3c2410/include/mach/memory.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* arch/arm/mach-s3c2410/include/mach/memory.h
- *  from arch/arm/mach-rpc/include/mach/memory.h
- *
- *  Copyright (C) 1996,1997,1998 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.
-*/
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET	UL(0x30000000)
-
-#endif
diff --git a/arch/arm/mach-s3c64xx/include/mach/debug-macro.S b/arch/arm/mach-s3c64xx/include/mach/debug-macro.S
index a29e70550c70..c0c076a90f27 100644
--- a/arch/arm/mach-s3c64xx/include/mach/debug-macro.S
+++ b/arch/arm/mach-s3c64xx/include/mach/debug-macro.S
@@ -21,7 +21,7 @@
 	 * aligned and add in the offset when we load the value here.
 	 */
 
-	.macro addruart, rp, rv
+	.macro addruart, rp, rv, tmp
 		ldr	\rp, = S3C_PA_UART
 		ldr	\rv, = (S3C_VA_UART + S3C_PA_UART & 0xfffff)
 #if CONFIG_DEBUG_S3C_UART != 0
diff --git a/arch/arm/mach-s3c64xx/include/mach/memory.h b/arch/arm/mach-s3c64xx/include/mach/memory.h
deleted file mode 100644
index b704669f95ff..000000000000
--- a/arch/arm/mach-s3c64xx/include/mach/memory.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* arch/arm/mach-s3c6400/include/mach/memory.h
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 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.
-*/
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET     UL(0x50000000)
-
-#endif
diff --git a/arch/arm/mach-s5p64x0/include/mach/debug-macro.S b/arch/arm/mach-s5p64x0/include/mach/debug-macro.S
index 79b04e6a6f8e..e80ba3c69814 100644
--- a/arch/arm/mach-s5p64x0/include/mach/debug-macro.S
+++ b/arch/arm/mach-s5p64x0/include/mach/debug-macro.S
@@ -15,7 +15,7 @@
 
 #include <plat/regs-serial.h>
 
-	.macro addruart, rp, rv
+	.macro addruart, rp, rv, tmp
 		mov	\rp, #0xE0000000
 		orr	\rp, \rp, #0x00100000
 		ldr	\rp, [\rp, #0x118 ]
diff --git a/arch/arm/mach-s5p64x0/include/mach/memory.h b/arch/arm/mach-s5p64x0/include/mach/memory.h
deleted file mode 100644
index b14cbc3f521b..000000000000
--- a/arch/arm/mach-s5p64x0/include/mach/memory.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* linux/arch/arm/mach-s5p64x0/include/mach/memory.h
- *
- * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * S5P64X0 - Memory definitions
- *
- * 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.
-*/
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H __FILE__
-
-#define PLAT_PHYS_OFFSET		UL(0x20000000)
-
-#endif /* __ASM_ARCH_MEMORY_H */
diff --git a/arch/arm/mach-s5pc100/include/mach/debug-macro.S b/arch/arm/mach-s5pc100/include/mach/debug-macro.S
index b2ba95ddf8e0..694f75937000 100644
--- a/arch/arm/mach-s5pc100/include/mach/debug-macro.S
+++ b/arch/arm/mach-s5pc100/include/mach/debug-macro.S
@@ -22,7 +22,7 @@
 	 * aligned and add in the offset when we load the value here.
 	 */
 
-	.macro addruart, rp, rv
+	.macro addruart, rp, rv, tmp
 		ldr	\rp, = S3C_PA_UART
 		ldr	\rv, = S3C_VA_UART
 #if CONFIG_DEBUG_S3C_UART != 0
diff --git a/arch/arm/mach-s5pc100/include/mach/memory.h b/arch/arm/mach-s5pc100/include/mach/memory.h
deleted file mode 100644
index bda4e79fd5fc..000000000000
--- a/arch/arm/mach-s5pc100/include/mach/memory.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* arch/arm/mach-s5pc100/include/mach/memory.h
- *
- * Copyright 2008 Samsung Electronics Co.
- *      Byungho Min <bhmin@samsung.com>
- *
- * Based on mach-s3c6400/include/mach/memory.h
- *
- * 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.
-*/
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET     	UL(0x20000000)
-
-#endif
diff --git a/arch/arm/mach-s5pv210/include/mach/debug-macro.S b/arch/arm/mach-s5pv210/include/mach/debug-macro.S
index 169fe654a59e..79e55597ab63 100644
--- a/arch/arm/mach-s5pv210/include/mach/debug-macro.S
+++ b/arch/arm/mach-s5pv210/include/mach/debug-macro.S
@@ -21,7 +21,7 @@
 	 * aligned and add in the offset when we load the value here.
 	 */
 
-	.macro addruart, rp, rv
+	.macro addruart, rp, rv, tmp
 		ldr	\rp, = S3C_PA_UART
 		ldr	\rv, = S3C_VA_UART
 #if CONFIG_DEBUG_S3C_UART != 0
diff --git a/arch/arm/mach-sa1100/include/mach/debug-macro.S b/arch/arm/mach-sa1100/include/mach/debug-macro.S
index 0cd0fc9635b6..530772d937ad 100644
--- a/arch/arm/mach-sa1100/include/mach/debug-macro.S
+++ b/arch/arm/mach-sa1100/include/mach/debug-macro.S
@@ -12,7 +12,7 @@
 */
 #include <mach/hardware.h>
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mrc	p15, 0, \rp, c1, c0
 		tst	\rp, #1			@ MMU enabled?
 		moveq	\rp, #0x80000000	@ physical base address
diff --git a/arch/arm/mach-shark/include/mach/debug-macro.S b/arch/arm/mach-shark/include/mach/debug-macro.S
index a473f55dc71f..20eb2bf2a42b 100644
--- a/arch/arm/mach-shark/include/mach/debug-macro.S
+++ b/arch/arm/mach-shark/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
  *
 */
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #0xe0000000
 		orr	\rp, \rp, #0x000003f8
 		mov	\rv, \rp
diff --git a/arch/arm/mach-shmobile/entry-intc.S b/arch/arm/mach-shmobile/entry-intc.S
index cac0a7ae2084..1a1c00ca39a2 100644
--- a/arch/arm/mach-shmobile/entry-intc.S
+++ b/arch/arm/mach-shmobile/entry-intc.S
@@ -51,7 +51,4 @@
 	.macro  test_for_ipi, irqnr, irqstat, base, tmp
 	.endm
 
-	.macro  test_for_ltirq, irqnr, irqstat, base, tmp
-	.endm
-
 	arch_irq_handler shmobile_handle_irq_intc
diff --git a/arch/arm/mach-shmobile/include/mach/entry-macro.S b/arch/arm/mach-shmobile/include/mach/entry-macro.S
index d791f10eeac7..8d4a416d4285 100644
--- a/arch/arm/mach-shmobile/include/mach/entry-macro.S
+++ b/arch/arm/mach-shmobile/include/mach/entry-macro.S
@@ -27,8 +27,5 @@
 	.macro  test_for_ipi, irqnr, irqstat, base, tmp
 	.endm
 
-	.macro  test_for_ltirq, irqnr, irqstat, base, tmp
-	.endm
-
 	.macro  arch_ret_to_user, tmp1, tmp2
 	.endm
diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c
index 66f980625a33..e4e485fa2532 100644
--- a/arch/arm/mach-shmobile/platsmp.c
+++ b/arch/arm/mach-shmobile/platsmp.c
@@ -56,6 +56,12 @@ void __init smp_init_cpus(void)
 	unsigned int ncores = shmobile_smp_get_core_count();
 	unsigned int i;
 
+	if (ncores > nr_cpu_ids) {
+		pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+			ncores, nr_cpu_ids);
+		ncores = nr_cpu_ids;
+	}
+
 	for (i = 0; i < ncores; i++)
 		set_cpu_possible(i, true);
 
diff --git a/arch/arm/mach-spear3xx/include/mach/memory.h b/arch/arm/mach-spear3xx/include/mach/memory.h
deleted file mode 100644
index 51735221ea19..000000000000
--- a/arch/arm/mach-spear3xx/include/mach/memory.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * arch/arm/mach-spear3xx/include/mach/memory.h
- *
- * Memory map for SPEAr3xx machine family
- *
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __MACH_MEMORY_H
-#define __MACH_MEMORY_H
-
-#include <plat/memory.h>
-
-#endif /* __MACH_MEMORY_H */
diff --git a/arch/arm/mach-spear6xx/include/mach/memory.h b/arch/arm/mach-spear6xx/include/mach/memory.h
deleted file mode 100644
index 781f088fc228..000000000000
--- a/arch/arm/mach-spear6xx/include/mach/memory.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * arch/arm/mach-spear6xx/include/mach/memory.h
- *
- * Memory map for SPEAr6xx machine family
- *
- * Copyright (C) 2009 ST Microelectronics
- * Rajeev Kumar<rajeev-dlh.kumar@st.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __MACH_MEMORY_H
-#define __MACH_MEMORY_H
-
-#include <plat/memory.h>
-
-#endif	/* __MACH_MEMORY_H */
diff --git a/arch/arm/mach-tegra/include/mach/debug-macro.S b/arch/arm/mach-tegra/include/mach/debug-macro.S
index e0ebe65c1657..619abc63aee8 100644
--- a/arch/arm/mach-tegra/include/mach/debug-macro.S
+++ b/arch/arm/mach-tegra/include/mach/debug-macro.S
@@ -21,7 +21,7 @@
 #include <mach/io.h>
 #include <mach/iomap.h>
 
-	.macro  addruart, rp, rv
+	.macro  addruart, rp, rv, tmp
         ldr     \rp, =IO_APB_PHYS       @ physical
         ldr     \rv, =IO_APB_VIRT        @ virtual
 	orr	\rp, \rp, #(TEGRA_DEBUG_UART_BASE & 0xFF)
diff --git a/arch/arm/mach-tegra/include/mach/memory.h b/arch/arm/mach-tegra/include/mach/memory.h
deleted file mode 100644
index 537db3aa81a7..000000000000
--- a/arch/arm/mach-tegra/include/mach/memory.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- * arch/arm/mach-tegra/include/mach/memory.h
- *
- * Copyright (C) 2010 Google, Inc.
- *
- * Author:
- *	Colin Cross <ccross@google.com>
- *	Erik Gilling <konkers@google.com>
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- *
- */
-
-#ifndef __MACH_TEGRA_MEMORY_H
-#define __MACH_TEGRA_MEMORY_H
-
-/* physical offset of RAM */
-#define PLAT_PHYS_OFFSET		UL(0)
-
-#endif
-
diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 0886cbccddee..7d2b5d03c1df 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -114,10 +114,10 @@ void __init smp_init_cpus(void)
 {
 	unsigned int i, ncores = scu_get_core_count(scu_base);
 
-	if (ncores > NR_CPUS) {
-		printk(KERN_ERR "Tegra: no. of cores (%u) greater than configured (%u), clipping\n",
-			ncores, NR_CPUS);
-		ncores = NR_CPUS;
+	if (ncores > nr_cpu_ids) {
+		pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+			ncores, nr_cpu_ids);
+		ncores = nr_cpu_ids;
 	}
 
 	for (i = 0; i < ncores; i++)
diff --git a/arch/arm/mach-u300/include/mach/debug-macro.S b/arch/arm/mach-u300/include/mach/debug-macro.S
index df715707bead..8ae8e4ab34b0 100644
--- a/arch/arm/mach-u300/include/mach/debug-macro.S
+++ b/arch/arm/mach-u300/include/mach/debug-macro.S
@@ -10,7 +10,7 @@
  */
 #include <mach/hardware.h>
 
-	.macro	addruart, rp, rv
+	.macro	addruart, rp, rv, tmp
 	/* If we move the address using MMU, use this. */
 	ldr	\rp,	  = U300_SLOW_PER_PHYS_BASE @ MMU off, physical address
 	ldr	\rv,	  = U300_SLOW_PER_VIRT_BASE @ MMU on, virtual address
diff --git a/arch/arm/mach-ux500/include/mach/debug-macro.S b/arch/arm/mach-ux500/include/mach/debug-macro.S
index 700fb05ee815..8d74d927d4e2 100644
--- a/arch/arm/mach-ux500/include/mach/debug-macro.S
+++ b/arch/arm/mach-ux500/include/mach/debug-macro.S
@@ -35,7 +35,7 @@
 #define UX500_UART(n)	__UX500_UART(n)
 #define UART_BASE	UX500_UART(CONFIG_UX500_DEBUG_UART)
 
-	.macro	addruart, rp, rv
+	.macro	addruart, rp, rv, tmp
 	ldr	\rp, =UART_BASE				@ no, physical address
 	ldr	\rv, =IO_ADDRESS(UART_BASE)		@ yes, virtual address
 	.endm
diff --git a/arch/arm/mach-ux500/include/mach/memory.h b/arch/arm/mach-ux500/include/mach/memory.h
deleted file mode 100644
index 2ef697a67006..000000000000
--- a/arch/arm/mach-ux500/include/mach/memory.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Copyright (C) 2009 ST-Ericsson
- *
- * 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.
- */
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-/*
- * Physical DRAM offset.
- */
-#define PLAT_PHYS_OFFSET	UL(0x00000000)
-#define BUS_OFFSET	UL(0x00000000)
-
-#endif
diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c
index a33df5f4c27a..eb5199102cfa 100644
--- a/arch/arm/mach-ux500/platsmp.c
+++ b/arch/arm/mach-ux500/platsmp.c
@@ -156,12 +156,10 @@ void __init smp_init_cpus(void)
 	ncores = scu_base ? scu_get_core_count(scu_base) : 1;
 
 	/* sanity check */
-	if (ncores > NR_CPUS) {
-		printk(KERN_WARNING
-		       "U8500: no. of cores (%d) greater than configured "
-		       "maximum of %d - clipping\n",
-		       ncores, NR_CPUS);
-		ncores = NR_CPUS;
+	if (ncores > nr_cpu_ids) {
+		pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+			ncores, nr_cpu_ids);
+		ncores = nr_cpu_ids;
 	}
 
 	for (i = 0; i < ncores; i++)
diff --git a/arch/arm/mach-versatile/include/mach/debug-macro.S b/arch/arm/mach-versatile/include/mach/debug-macro.S
index eb2cf7dc5c44..d0fbd7f1cb00 100644
--- a/arch/arm/mach-versatile/include/mach/debug-macro.S
+++ b/arch/arm/mach-versatile/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
  *
 */
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp,      #0x001F0000
 		orr	\rp, \rp, #0x00001000
 		orr	\rv, \rp, #0xf1000000	@ virtual base
diff --git a/arch/arm/mach-versatile/include/mach/memory.h b/arch/arm/mach-versatile/include/mach/memory.h
deleted file mode 100644
index dacc9d8e4e6a..000000000000
--- a/arch/arm/mach-versatile/include/mach/memory.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- *  arch/arm/mach-versatile/include/mach/memory.h
- *
- *  Copyright (C) 2003 ARM Limited
- *
- * 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
- */
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-/*
- * Physical DRAM offset.
- */
-#define PLAT_PHYS_OFFSET	UL(0x00000000)
-
-#endif
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index bfd32f52c2db..2b1e836a76ed 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -221,6 +221,12 @@ static void ct_ca9x4_init_cpu_map(void)
 {
 	int i, ncores = scu_get_core_count(MMIO_P2V(A9_MPCORE_SCU));
 
+	if (ncores > nr_cpu_ids) {
+		pr_warn("SMP: %u cores greater than maximum (%u), clipping\n",
+			ncores, nr_cpu_ids);
+		ncores = nr_cpu_ids;
+	}
+
 	for (i = 0; i < ncores; ++i)
 		set_cpu_possible(i, true);
 
diff --git a/arch/arm/mach-vexpress/include/mach/debug-macro.S b/arch/arm/mach-vexpress/include/mach/debug-macro.S
index 050d65e02a42..fd9e6c7ea49f 100644
--- a/arch/arm/mach-vexpress/include/mach/debug-macro.S
+++ b/arch/arm/mach-vexpress/include/mach/debug-macro.S
@@ -12,7 +12,7 @@
 
 #define DEBUG_LL_UART_OFFSET	0x00009000
 
-		.macro	addruart,rp,rv
+		.macro	addruart,rp,rv,tmp
 		mov	\rp, #DEBUG_LL_UART_OFFSET
 		orr	\rv, \rp, #0xf8000000	@ virtual base
 		orr	\rp, \rp, #0x10000000	@ physical base
diff --git a/arch/arm/mach-vexpress/include/mach/memory.h b/arch/arm/mach-vexpress/include/mach/memory.h
deleted file mode 100644
index 5b7fcd439d87..000000000000
--- a/arch/arm/mach-vexpress/include/mach/memory.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- *  arch/arm/mach-vexpress/include/mach/memory.h
- *
- *  Copyright (C) 2003 ARM Limited
- *
- * 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
- */
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET		UL(0x60000000)
-
-#endif
diff --git a/arch/arm/mach-vt8500/include/mach/debug-macro.S b/arch/arm/mach-vt8500/include/mach/debug-macro.S
index f1191626ad51..ca292f29d4a3 100644
--- a/arch/arm/mach-vt8500/include/mach/debug-macro.S
+++ b/arch/arm/mach-vt8500/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
  *
 */
 
-	.macro	addruart, rp, rv
+	.macro	addruart, rp, rv, tmp
 	mov	\rp,      #0x00200000
 	orr	\rv, \rp, #0xf8000000
 	orr	\rp, \rp, #0xd8000000
diff --git a/arch/arm/mach-vt8500/include/mach/memory.h b/arch/arm/mach-vt8500/include/mach/memory.h
deleted file mode 100644
index 175f914eff93..000000000000
--- a/arch/arm/mach-vt8500/include/mach/memory.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- *  arch/arm/mach-vt8500/include/mach/memory.h
- *
- *  Copyright (C) 2003 ARM Limited
- *
- * 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
- */
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-/*
- * Physical DRAM offset.
- */
-#define PHYS_OFFSET	UL(0x00000000)
-
-#endif
diff --git a/arch/arm/mach-w90x900/include/mach/memory.h b/arch/arm/mach-w90x900/include/mach/memory.h
deleted file mode 100644
index f02905ba7746..000000000000
--- a/arch/arm/mach-w90x900/include/mach/memory.h
+++ /dev/null
@@ -1,23 +0,0 @@
-/*
- * arch/arm/mach-w90x900/include/mach/memory.h
- *
- * Copyright (c) 2008 Nuvoton technology corporation
- * All rights reserved.
- *
- * Wan ZongShun <mcuos.com@gmail.com>
- *
- * Based on arch/arm/mach-s3c2410/include/mach/memory.h
- *
- * 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.
- *
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-#define PLAT_PHYS_OFFSET	UL(0x00000000)
-
-#endif
diff --git a/arch/arm/mach-zynq/include/mach/debug-macro.S b/arch/arm/mach-zynq/include/mach/debug-macro.S
index 9f664d5eb81d..3ab0be1f6191 100644
--- a/arch/arm/mach-zynq/include/mach/debug-macro.S
+++ b/arch/arm/mach-zynq/include/mach/debug-macro.S
@@ -17,7 +17,7 @@
 #include <mach/zynq_soc.h>
 #include <mach/uart.h>
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		ldr	\rp, =LL_UART_PADDR	@ physical
 		ldr	\rv, =LL_UART_VADDR	@ virtual
 		.endm
diff --git a/arch/arm/mach-zynq/include/mach/memory.h b/arch/arm/mach-zynq/include/mach/memory.h
deleted file mode 100644
index 35a92634dcc1..000000000000
--- a/arch/arm/mach-zynq/include/mach/memory.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* arch/arm/mach-zynq/include/mach/memory.h
- *
- *  Copyright (C) 2011 Xilinx
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- */
-
-#ifndef __MACH_MEMORY_H__
-#define __MACH_MEMORY_H__
-
-#include <asm/sizes.h>
-
-#define PLAT_PHYS_OFFSET	UL(0x0)
-
-#endif
diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S
index e4dde91f0231..a3045937fc2f 100644
--- a/arch/arm/plat-mxc/include/mach/debug-macro.S
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -54,7 +54,7 @@
 
 #define UART_VADDR	IMX_IO_ADDRESS(UART_PADDR)
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		ldr	\rp, =UART_PADDR	@ physical
 		ldr	\rv, =UART_VADDR	@ virtual
 		.endm
diff --git a/arch/arm/plat-mxc/include/mach/memory.h b/arch/arm/plat-mxc/include/mach/memory.h
deleted file mode 100644
index 3ec84b902243..000000000000
--- a/arch/arm/plat-mxc/include/mach/memory.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
- */
-
-/*
- * 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.
- */
-
-#ifndef __ASM_ARCH_MXC_MEMORY_H__
-#define __ASM_ARCH_MXC_MEMORY_H__
-
-#define MX1_PHYS_OFFSET		UL(0x08000000)
-#define MX21_PHYS_OFFSET	UL(0xc0000000)
-#define MX25_PHYS_OFFSET	UL(0x80000000)
-#define MX27_PHYS_OFFSET	UL(0xa0000000)
-#define MX3x_PHYS_OFFSET	UL(0x80000000)
-#define MX50_PHYS_OFFSET	UL(0x70000000)
-#define MX51_PHYS_OFFSET	UL(0x90000000)
-#define MX53_PHYS_OFFSET	UL(0x70000000)
-
-#if !defined(CONFIG_RUNTIME_PHYS_OFFSET)
-# if defined CONFIG_ARCH_MX1
-#  define PLAT_PHYS_OFFSET		MX1_PHYS_OFFSET
-# elif defined CONFIG_MACH_MX21
-#  define PLAT_PHYS_OFFSET		MX21_PHYS_OFFSET
-# elif defined CONFIG_ARCH_MX25
-#  define PLAT_PHYS_OFFSET		MX25_PHYS_OFFSET
-# elif defined CONFIG_MACH_MX27
-#  define PLAT_PHYS_OFFSET		MX27_PHYS_OFFSET
-# elif defined CONFIG_ARCH_MX3
-#  define PLAT_PHYS_OFFSET		MX3x_PHYS_OFFSET
-# elif defined CONFIG_ARCH_MX50
-#  define PLAT_PHYS_OFFSET		MX50_PHYS_OFFSET
-# elif defined CONFIG_ARCH_MX51
-#  define PLAT_PHYS_OFFSET		MX51_PHYS_OFFSET
-# elif defined CONFIG_ARCH_MX53
-#  define PLAT_PHYS_OFFSET		MX53_PHYS_OFFSET
-# endif
-#endif
-
-#endif /* __ASM_ARCH_MXC_MEMORY_H__ */
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index bb8f4a6b3e37..95732af7b208 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -14,6 +14,7 @@ config ARCH_OMAP1
 	select CLKDEV_LOOKUP
 	select CLKSRC_MMIO
 	select GENERIC_IRQ_CHIP
+	select NEED_MACH_MEMORY_H
 	help
 	  "Systems based on omap7xx, omap15xx or omap16xx"
 
diff --git a/arch/arm/plat-omap/include/plat/memory.h b/arch/arm/plat-omap/include/plat/memory.h
deleted file mode 100644
index 7f9df6f1e113..000000000000
--- a/arch/arm/plat-omap/include/plat/memory.h
+++ /dev/null
@@ -1,89 +0,0 @@
-/*
- * arch/arm/plat-omap/include/mach/memory.h
- *
- * Memory map for OMAP-1510 and 1610
- *
- * Copyright (C) 2000 RidgeRun, Inc.
- * Author: Greg Lonnon <glonnon@ridgerun.com>
- *
- * This file was derived from arch/arm/mach-intergrator/include/mach/memory.h
- * Copyright (C) 1999 ARM Limited
- *
- * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-/*
- * Physical DRAM offset.
- */
-#if defined(CONFIG_ARCH_OMAP1)
-#define PLAT_PHYS_OFFSET		UL(0x10000000)
-#else
-#define PLAT_PHYS_OFFSET		UL(0x80000000)
-#endif
-
-/*
- * Bus address is physical address, except for OMAP-1510 Local Bus.
- * OMAP-1510 bus address is translated into a Local Bus address if the
- * OMAP bus type is lbus. We do the address translation based on the
- * device overriding the defaults used in the dma-mapping API.
- * Note that the is_lbus_device() test is not very efficient on 1510
- * because of the strncmp().
- */
-#ifdef CONFIG_ARCH_OMAP15XX
-
-/*
- * OMAP-1510 Local Bus address offset
- */
-#define OMAP1510_LB_OFFSET	UL(0x30000000)
-
-#define virt_to_lbus(x)		((x) - PAGE_OFFSET + OMAP1510_LB_OFFSET)
-#define lbus_to_virt(x)		((x) - OMAP1510_LB_OFFSET + PAGE_OFFSET)
-#define is_lbus_device(dev)	(cpu_is_omap15xx() && dev && (strncmp(dev_name(dev), "ohci", 4) == 0))
-
-#define __arch_pfn_to_dma(dev, pfn)	\
-	({ dma_addr_t __dma = __pfn_to_phys(pfn); \
-	   if (is_lbus_device(dev)) \
-		__dma = __dma - PHYS_OFFSET + OMAP1510_LB_OFFSET; \
-	   __dma; })
-
-#define __arch_dma_to_pfn(dev, addr)	\
-	({ dma_addr_t __dma = addr;				\
-	   if (is_lbus_device(dev))				\
-		__dma += PHYS_OFFSET - OMAP1510_LB_OFFSET;	\
-	   __phys_to_pfn(__dma);				\
-	})
-
-#define __arch_dma_to_virt(dev, addr)	({ (void *) (is_lbus_device(dev) ? \
-						lbus_to_virt(addr) : \
-						__phys_to_virt(addr)); })
-
-#define __arch_virt_to_dma(dev, addr)	({ unsigned long __addr = (unsigned long)(addr); \
-					   (dma_addr_t) (is_lbus_device(dev) ? \
-						virt_to_lbus(__addr) : \
-						__virt_to_phys(__addr)); })
-
-#endif	/* CONFIG_ARCH_OMAP15XX */
-
-#endif
-
diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h
index de3b10c18127..1ab9fd6abe6d 100644
--- a/arch/arm/plat-omap/include/plat/serial.h
+++ b/arch/arm/plat-omap/include/plat/serial.h
@@ -16,8 +16,8 @@
 #include <linux/init.h>
 
 /*
- * Memory entry used for the DEBUG_LL UART configuration. See also
- * uncompress.h and debug-macro.S.
+ * Memory entry used for the DEBUG_LL UART configuration, relative to
+ * start of RAM. See also uncompress.h and debug-macro.S.
  *
  * Note that using a memory location for storing the UART configuration
  * has at least two limitations:
@@ -27,7 +27,7 @@
  * 2. We assume printascii is called at least once before paging_init,
  *    and addruart has a chance to read OMAP_UART_INFO
  */
-#define OMAP_UART_INFO		(PLAT_PHYS_OFFSET + 0x3ffc)
+#define OMAP_UART_INFO_OFS	0x3ffc
 
 /* OMAP1 serial ports */
 #define OMAP1_UART1_BASE	0xfffb0000
diff --git a/arch/arm/plat-omap/include/plat/uncompress.h b/arch/arm/plat-omap/include/plat/uncompress.h
index a067484cc4a2..2f472e989ec6 100644
--- a/arch/arm/plat-omap/include/plat/uncompress.h
+++ b/arch/arm/plat-omap/include/plat/uncompress.h
@@ -36,7 +36,13 @@ int uart_shift;
  */
 static void set_omap_uart_info(unsigned char port)
 {
-	*(volatile u32 *)OMAP_UART_INFO = port;
+	/*
+	 * Get address of some.bss variable and round it down
+	 * a la CONFIG_AUTO_ZRELADDR.
+	 */
+	u32 ram_start = (u32)&uart_shift & 0xf8000000;
+	u32 *uart_info = (u32 *)(ram_start + OMAP_UART_INFO_OFS);
+	*uart_info = port;
 }
 
 static void putc(int c)
diff --git a/arch/arm/plat-spear/include/plat/debug-macro.S b/arch/arm/plat-spear/include/plat/debug-macro.S
index 8501bbf2c092..02b160a1ec9b 100644
--- a/arch/arm/plat-spear/include/plat/debug-macro.S
+++ b/arch/arm/plat-spear/include/plat/debug-macro.S
@@ -14,7 +14,7 @@
 #include <linux/amba/serial.h>
 #include <mach/hardware.h>
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		mov	\rp, #SPEAR_DBG_UART_BASE		@ Physical base
 		mov	\rv, #VA_SPEAR_DBG_UART_BASE		@ Virtual base
 		.endm
diff --git a/arch/arm/plat-spear/include/plat/memory.h b/arch/arm/plat-spear/include/plat/memory.h
deleted file mode 100644
index 7e3599e1104e..000000000000
--- a/arch/arm/plat-spear/include/plat/memory.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * arch/arm/plat-spear/include/plat/memory.h
- *
- * Memory map for SPEAr platform
- *
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __PLAT_MEMORY_H
-#define __PLAT_MEMORY_H
-
-/* Physical DRAM offset */
-#define PLAT_PHYS_OFFSET		UL(0x00000000)
-
-#endif /* __PLAT_MEMORY_H */
diff --git a/arch/arm/plat-tcc/include/mach/debug-macro.S b/arch/arm/plat-tcc/include/mach/debug-macro.S
index 7662f736e42b..cf17d04ec30d 100644
--- a/arch/arm/plat-tcc/include/mach/debug-macro.S
+++ b/arch/arm/plat-tcc/include/mach/debug-macro.S
@@ -9,7 +9,7 @@
  *
  */
 
-		.macro	addruart, rp, rv
+		.macro	addruart, rp, rv, tmp
 		moveq	\rp, #0x90000000	@ physical base address
 		movne	\rv, #0xF1000000	@ virtual base
 		orr	\rp, \rp, #0x00007000	@ UART0
diff --git a/arch/arm/plat-tcc/include/mach/memory.h b/arch/arm/plat-tcc/include/mach/memory.h
deleted file mode 100644
index 28a6e0cd13b3..000000000000
--- a/arch/arm/plat-tcc/include/mach/memory.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- * Copyright (C) 1999 ARM Limited
- * Copyright (C) 2000 RidgeRun, Inc.
- * Copyright (C) 2008-2009 Telechips
- * Copyright (C) 2010 Hans J. Koch <hjk@linutronix.de>
- *
- * Licensed under the terms of the GPL v2.
- */
-
-#ifndef __ASM_ARCH_MEMORY_H
-#define __ASM_ARCH_MEMORY_H
-
-/*
- * Physical DRAM offset.
- */
-#define PLAT_PHYS_OFFSET		UL(0x20000000)
-
-#endif