Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci into devel

77 files changed, 4058 insertions, 833 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index c52f6909f65..65bf774a26f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -281,6 +281,7 @@ config ARCH_EP93XX
         select HAVE_CLK
         select COMMON_CLKDEV
         select ARCH_REQUIRE_GPIOLIB
+        select ARCH_HAS_HOLES_MEMORYMODEL
         help
           This enables support for the Cirrus EP93xx series of CPUs.
 
@@ -595,6 +596,7 @@ config ARCH_DAVINCI
         select ZONE_DMA
         select HAVE_IDE
         select COMMON_CLKDEV
+        select GENERIC_ALLOCATOR
         help
           Support for TI's DaVinci platform.
 
@@ -965,10 +967,9 @@ config OABI_COMPAT
           UNPREDICTABLE (in fact it can be predicted that it won't work
           at all). If in doubt say Y.
 
-config ARCH_FLATMEM_HAS_HOLES
+config ARCH_HAS_HOLES_MEMORYMODEL
         bool
-        default y
-        depends on FLATMEM
+        default n
 
 # Discontigmem is deprecated
 config ARCH_DISCONTIGMEM_ENABLE
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index c6884ba1d5e..3e1714c6523 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -253,9 +253,9 @@ void __cpuinit gic_cpu_init(unsigned int gic_nr, void __iomem *base)
 }
 
 #ifdef CONFIG_SMP
-void gic_raise_softirq(cpumask_t cpumask, unsigned int irq)
+void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
 {
-        unsigned long map = *cpus_addr(cpumask);
+        unsigned long map = *cpus_addr(*mask);
 
         /* this always happens on GIC0 */
         writel(map << 16 | irq, gic_data[0].dist_base + GIC_DIST_SOFTINT);
diff --git a/arch/arm/configs/davinci_all_defconfig b/arch/arm/configs/davinci_all_defconfig
index eb2738b5be5..ac18662f38c 100644
--- a/arch/arm/configs/davinci_all_defconfig
+++ b/arch/arm/configs/davinci_all_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.30-rc2
-# Wed Apr 15 08:16:53 2009
+# Linux kernel version: 2.6.30-rc7
+# Tue May 26 07:24:28 2009
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
@@ -179,6 +179,7 @@ CONFIG_ARCH_DAVINCI=y
 # CONFIG_ARCH_OMAP is not set
 # CONFIG_ARCH_MSM is not set
 # CONFIG_ARCH_W90X900 is not set
+CONFIG_AINTC=y
 
 #
 # TI DaVinci Implementations
@@ -188,11 +189,17 @@ CONFIG_ARCH_DAVINCI=y
 # DaVinci Core Type
 #
 CONFIG_ARCH_DAVINCI_DM644x=y
+CONFIG_ARCH_DAVINCI_DM355=y
+CONFIG_ARCH_DAVINCI_DM646x=y
 
 #
 # DaVinci Board Type
 #
 CONFIG_MACH_DAVINCI_EVM=y
+CONFIG_MACH_SFFSDR=y
+CONFIG_MACH_DAVINCI_DM355_EVM=y
+CONFIG_MACH_DM355_LEOPARD=y
+CONFIG_MACH_DAVINCI_DM6467_EVM=y
 CONFIG_DAVINCI_MUX=y
 CONFIG_DAVINCI_MUX_DEBUG=y
 CONFIG_DAVINCI_MUX_WARNINGS=y
@@ -245,7 +252,7 @@ CONFIG_PREEMPT=y
 CONFIG_HZ=100
 CONFIG_AEABI=y
 # CONFIG_OABI_COMPAT is not set
-CONFIG_ARCH_FLATMEM_HAS_HOLES=y
+# CONFIG_ARCH_HAS_HOLES_MEMORYMODEL is not set
 # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
 # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
 # CONFIG_HIGHMEM is not set
@@ -661,7 +668,10 @@ CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 # CONFIG_AX88796 is not set
 # CONFIG_SMC91X is not set
-# CONFIG_DM9000 is not set
+CONFIG_TI_DAVINCI_EMAC=y
+CONFIG_DM9000=y
+CONFIG_DM9000_DEBUGLEVEL=4
+# CONFIG_DM9000_FORCE_SIMPLE_PHY_POLL is not set
 # CONFIG_ETHOC is not set
 # CONFIG_SMC911X is not set
 # CONFIG_SMSC911X is not set
@@ -963,6 +973,7 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_MFD_ASIC3 is not set
+# CONFIG_MFD_DM355EVM_MSP is not set
 # CONFIG_HTC_EGPIO is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_TPS65010 is not set
@@ -1317,6 +1328,7 @@ CONFIG_MMC_BLOCK=m
 # MMC/SD/SDIO Host Controller Drivers
 #
 # CONFIG_MMC_SDHCI is not set
+# CONFIG_MMC_DAVINCI is not set
 # CONFIG_MEMSTICK is not set
 # CONFIG_ACCESSIBILITY is not set
 CONFIG_NEW_LEDS=y
@@ -1778,6 +1790,7 @@ CONFIG_CRC32=y
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
 CONFIG_DECOMPRESS_GZIP=y
+CONFIG_GENERIC_ALLOCATOR=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
diff --git a/arch/arm/include/asm/hardware/gic.h b/arch/arm/include/asm/hardware/gic.h
index 4924914af18..7f34333bb54 100644
--- a/arch/arm/include/asm/hardware/gic.h
+++ b/arch/arm/include/asm/hardware/gic.h
@@ -36,7 +36,7 @@
 void gic_dist_init(unsigned int gic_nr, void __iomem *base, unsigned int irq_start);
 void gic_cpu_init(unsigned int gic_nr, void __iomem *base);
 void gic_cascade_irq(unsigned int gic_nr, unsigned int irq);
-void gic_raise_softirq(cpumask_t cpumask, unsigned int irq);
+void gic_raise_softirq(const struct cpumask *mask, unsigned int irq);
 #endif
 
 #endif
diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h
index fad70da5911..5995935338e 100644
--- a/arch/arm/include/asm/smp.h
+++ b/arch/arm/include/asm/smp.h
@@ -53,17 +53,12 @@ extern void smp_store_cpu_info(unsigned int cpuid);
 /*
  * Raise an IPI cross call on CPUs in callmap.
  */
-extern void smp_cross_call(cpumask_t callmap);
-
-/*
- * Broadcast a timer interrupt to the other CPUs.
- */
-extern void smp_send_timer(void);
+extern void smp_cross_call(const struct cpumask *mask);
 
 /*
  * Broadcast a clock event to other CPUs.
  */
-extern void smp_timer_broadcast(cpumask_t mask);
+extern void smp_timer_broadcast(const struct cpumask *mask);
 
 /*
  * Boot a secondary CPU, and assign it the specified idle task.
@@ -102,7 +97,8 @@ extern int platform_cpu_kill(unsigned int cpu);
 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(cpumask_t mask);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
 
 /*
  * Local timer interrupt handling function (can be IPI'ed).
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 7801aac3c04..6014dfd22af 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -326,14 +326,14 @@ void __init smp_prepare_boot_cpu(void)
         per_cpu(cpu_data, cpu).idle = current;
 }
 
-static void send_ipi_message(cpumask_t callmap, enum ipi_msg_type msg)
+static void send_ipi_message(const struct cpumask *mask, enum ipi_msg_type msg)
 {
         unsigned long flags;
         unsigned int cpu;
 
         local_irq_save(flags);
 
-        for_each_cpu_mask(cpu, callmap) {
+        for_each_cpu(cpu, mask) {
                 struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
 
                 spin_lock(&ipi->lock);
@@ -344,19 +344,19 @@ static void send_ipi_message(cpumask_t callmap, enum ipi_msg_type msg)
         /*
          * Call the platform specific cross-CPU call function.
          */
-        smp_cross_call(callmap);
+        smp_cross_call(mask);
 
         local_irq_restore(flags);
 }
 
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
 {
         send_ipi_message(mask, IPI_CALL_FUNC);
 }
 
 void arch_send_call_function_single_ipi(int cpu)
 {
-        send_ipi_message(cpumask_of_cpu(cpu), IPI_CALL_FUNC_SINGLE);
+        send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE);
 }
 
 void show_ipi_list(struct seq_file *p)
@@ -498,17 +498,10 @@ asmlinkage void __exception do_IPI(struct pt_regs *regs)
 
 void smp_send_reschedule(int cpu)
 {
-        send_ipi_message(cpumask_of_cpu(cpu), IPI_RESCHEDULE);
+        send_ipi_message(cpumask_of(cpu), IPI_RESCHEDULE);
 }
 
-void smp_send_timer(void)
-{
-        cpumask_t mask = cpu_online_map;
-        cpu_clear(smp_processor_id(), mask);
-        send_ipi_message(mask, IPI_TIMER);
-}
-
-void smp_timer_broadcast(cpumask_t mask)
+void smp_timer_broadcast(const struct cpumask *mask)
 {
         send_ipi_message(mask, IPI_TIMER);
 }
@@ -517,7 +510,7 @@ void smp_send_stop(void)
 {
         cpumask_t mask = cpu_online_map;
         cpu_clear(smp_processor_id(), mask);
-        send_ipi_message(mask, IPI_CPU_STOP);
+        send_ipi_message(&mask, IPI_CPU_STOP);
 }
 
 /*
@@ -528,20 +521,17 @@ int setup_profiling_timer(unsigned int multiplier)
         return -EINVAL;
 }
 
-static int
-on_each_cpu_mask(void (*func)(void *), void *info, int wait, cpumask_t mask)
+static void
+on_each_cpu_mask(void (*func)(void *), void *info, int wait,
+                const struct cpumask *mask)
 {
-        int ret = 0;
-
         preempt_disable();
 
-        ret = smp_call_function_mask(mask, func, info, wait);
-        if (cpu_isset(smp_processor_id(), mask))
+        smp_call_function_many(mask, func, info, wait);
+        if (cpumask_test_cpu(smp_processor_id(), mask))
                 func(info);
 
         preempt_enable();
-
-        return ret;
 }
 
 /**********************************************************************/
@@ -602,20 +592,17 @@ void flush_tlb_all(void)
 
 void flush_tlb_mm(struct mm_struct *mm)
 {
-        cpumask_t mask = mm->cpu_vm_mask;
-
-        on_each_cpu_mask(ipi_flush_tlb_mm, mm, 1, mask);
+        on_each_cpu_mask(ipi_flush_tlb_mm, mm, 1, &mm->cpu_vm_mask);
 }
 
 void flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr)
 {
-        cpumask_t mask = vma->vm_mm->cpu_vm_mask;
         struct tlb_args ta;
 
         ta.ta_vma = vma;
         ta.ta_start = uaddr;
 
-        on_each_cpu_mask(ipi_flush_tlb_page, &ta, 1, mask);
+        on_each_cpu_mask(ipi_flush_tlb_page, &ta, 1, &vma->vm_mm->cpu_vm_mask);
 }
 
 void flush_tlb_kernel_page(unsigned long kaddr)
@@ -630,14 +617,13 @@ void flush_tlb_kernel_page(unsigned long kaddr)
 void flush_tlb_range(struct vm_area_struct *vma,
                      unsigned long start, unsigned long end)
 {
-        cpumask_t mask = vma->vm_mm->cpu_vm_mask;
         struct tlb_args ta;
 
         ta.ta_vma = vma;
         ta.ta_start = start;
         ta.ta_end = end;
 
-        on_each_cpu_mask(ipi_flush_tlb_range, &ta, 1, mask);
+        on_each_cpu_mask(ipi_flush_tlb_range, &ta, 1, &vma->vm_mm->cpu_vm_mask);
 }
 
 void flush_tlb_kernel_range(unsigned long start, unsigned long end)
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index a9c78bc72b8..76408670554 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -1,11 +1,26 @@
 if ARCH_DAVINCI
 
+config AINTC
+        bool
+
+config CP_INTC
+        bool
+
 menu "TI DaVinci Implementations"
 
 comment "DaVinci Core Type"
 
 config ARCH_DAVINCI_DM644x
         bool "DaVinci 644x based system"
+        select AINTC
+
+config ARCH_DAVINCI_DM355
+        bool "DaVinci 355 based system"
+        select AINTC
+
+config ARCH_DAVINCI_DM646x
+        bool "DaVinci 646x based system"
+        select AINTC
 
 comment "DaVinci Board Type"
 
@@ -17,6 +32,38 @@ config MACH_DAVINCI_EVM
           Configure this option to specify the whether the board used
           for development is a DM644x EVM
 
+config MACH_SFFSDR
+        bool "Lyrtech SFFSDR"
+        default n
+        depends on ARCH_DAVINCI_DM644x
+        help
+          Say Y here to select the Lyrtech Small Form Factor
+          Software Defined Radio (SFFSDR) board.
+
+config MACH_DAVINCI_DM355_EVM
+        bool "TI DM355 EVM"
+        default n
+        depends on ARCH_DAVINCI_DM355
+        help
+          Configure this option to specify the whether the board used
+          for development is a DM355 EVM
+
+config MACH_DM355_LEOPARD
+        bool "DM355 Leopard board"
+        default n
+        depends on ARCH_DAVINCI_DM355
+        help
+          Configure this option to specify the whether the board used
+          for development is a DM355 Leopard board.
+
+config MACH_DAVINCI_DM6467_EVM
+        bool "TI DM6467 EVM"
+        default n
+        depends on ARCH_DAVINCI_DM646x
+        help
+          Configure this option to specify the whether the board used
+          for development is a DM6467 EVM
+
 
 config DAVINCI_MUX
         bool "DAVINCI multiplexing support"
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index 1674661942f..059ab78084b 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -4,13 +4,22 @@
 #
 
 # Common objects
-obj-y                   := time.o irq.o clock.o serial.o io.o id.o psc.o \
-                           gpio.o devices.o dma.o usb.o
+obj-y                   := time.o clock.o serial.o io.o psc.o \
+                           gpio.o devices.o dma.o usb.o common.o sram.o
 
 obj-$(CONFIG_DAVINCI_MUX)               += mux.o
 
 # Chip specific
 obj-$(CONFIG_ARCH_DAVINCI_DM644x)       += dm644x.o
+obj-$(CONFIG_ARCH_DAVINCI_DM355)        += dm355.o
+obj-$(CONFIG_ARCH_DAVINCI_DM646x)       += dm646x.o
+
+obj-$(CONFIG_AINTC)                     += irq.o
+obj-$(CONFIG_CP_INTC)                   += cp_intc.o
 
 # Board specific
 obj-$(CONFIG_MACH_DAVINCI_EVM)          += board-dm644x-evm.o
+obj-$(CONFIG_MACH_SFFSDR)               += board-sffsdr.o
+obj-$(CONFIG_MACH_DAVINCI_DM355_EVM)    += board-dm355-evm.o
+obj-$(CONFIG_MACH_DM355_LEOPARD)        += board-dm355-leopard.o
+obj-$(CONFIG_MACH_DAVINCI_DM6467_EVM)   += board-dm646x-evm.o
diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
new file mode 100644
index 00000000000..5ac2f565d86
--- /dev/null
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -0,0 +1,298 @@
+/*
+ * TI DaVinci EVM board support
+ *
+ * Author: Kevin Hilman, Deep Root Systems, LLC
+ *
+ * 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.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.h>
+#include <linux/i2c.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/clk.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/eeprom.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <mach/hardware.h>
+#include <mach/dm355.h>
+#include <mach/psc.h>
+#include <mach/common.h>
+#include <mach/i2c.h>
+#include <mach/serial.h>
+#include <mach/nand.h>
+#include <mach/mmc.h>
+#include <mach/common.h>
+
+#define DAVINCI_ASYNC_EMIF_CONTROL_BASE         0x01e10000
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE        0x02000000
+
+/* NOTE:  this is geared for the standard config, with a socketed
+ * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors.  If you
+ * swap chips, maybe with a different block size, partitioning may
+ * need to be changed.
+ */
+#define NAND_BLOCK_SIZE         SZ_128K
+
+static struct mtd_partition davinci_nand_partitions[] = {
+        {
+                /* UBL (a few copies) plus U-Boot */
+                .name           = "bootloader",
+                .offset         = 0,
+                .size           = 15 * NAND_BLOCK_SIZE,
+                .mask_flags     = MTD_WRITEABLE, /* force read-only */
+        }, {
+                /* U-Boot environment */
+                .name           = "params",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = 1 * NAND_BLOCK_SIZE,
+                .mask_flags     = 0,
+        }, {
+                .name           = "kernel",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = SZ_4M,
+                .mask_flags     = 0,
+        }, {
+                .name           = "filesystem1",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = SZ_512M,
+                .mask_flags     = 0,
+        }, {
+                .name           = "filesystem2",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = MTDPART_SIZ_FULL,
+                .mask_flags     = 0,
+        }
+        /* two blocks with bad block table (and mirror) at the end */
+};
+
+static struct davinci_nand_pdata davinci_nand_data = {
+        .mask_chipsel           = BIT(14),
+        .parts                  = davinci_nand_partitions,
+        .nr_parts               = ARRAY_SIZE(davinci_nand_partitions),
+        .ecc_mode               = NAND_ECC_HW_SYNDROME,
+        .options                = NAND_USE_FLASH_BBT,
+};
+
+static struct resource davinci_nand_resources[] = {
+        {
+                .start          = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
+                .end            = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
+                .flags          = IORESOURCE_MEM,
+        }, {
+                .start          = DAVINCI_ASYNC_EMIF_CONTROL_BASE,
+                .end            = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
+                .flags          = IORESOURCE_MEM,
+        },
+};
+
+static struct platform_device davinci_nand_device = {
+        .name                   = "davinci_nand",
+        .id                     = 0,
+
+        .num_resources          = ARRAY_SIZE(davinci_nand_resources),
+        .resource               = davinci_nand_resources,
+
+        .dev                    = {
+                .platform_data  = &davinci_nand_data,
+        },
+};
+
+static struct davinci_i2c_platform_data i2c_pdata = {
+        .bus_freq       = 400   /* kHz */,
+        .bus_delay      = 0     /* usec */,
+};
+
+static int dm355evm_mmc_gpios = -EINVAL;
+
+static void dm355evm_mmcsd_gpios(unsigned gpio)
+{
+        gpio_request(gpio + 0, "mmc0_ro");
+        gpio_request(gpio + 1, "mmc0_cd");
+        gpio_request(gpio + 2, "mmc1_ro");
+        gpio_request(gpio + 3, "mmc1_cd");
+
+        /* we "know" these are input-only so we don't
+         * need to call gpio_direction_input()
+         */
+
+        dm355evm_mmc_gpios = gpio;
+}
+
+static struct i2c_board_info dm355evm_i2c_info[] = {
+        { I2C_BOARD_INFO("dm355evm_msp", 0x25),
+                .platform_data = dm355evm_mmcsd_gpios,
+                /* plus irq */ },
+        /* { I2C_BOARD_INFO("tlv320aic3x", 0x1b), }, */
+        /* { I2C_BOARD_INFO("tvp5146", 0x5d), }, */
+};
+
+static void __init evm_init_i2c(void)
+{
+        davinci_init_i2c(&i2c_pdata);
+
+        gpio_request(5, "dm355evm_msp");
+        gpio_direction_input(5);
+        dm355evm_i2c_info[0].irq = gpio_to_irq(5);
+
+        i2c_register_board_info(1, dm355evm_i2c_info,
+                        ARRAY_SIZE(dm355evm_i2c_info));
+}
+
+static struct resource dm355evm_dm9000_rsrc[] = {
+        {
+                /* addr */
+                .start  = 0x04014000,
+                .end    = 0x04014001,
+                .flags  = IORESOURCE_MEM,
+        }, {
+                /* data */
+                .start  = 0x04014002,
+                .end    = 0x04014003,
+                .flags  = IORESOURCE_MEM,
+        }, {
+                .flags  = IORESOURCE_IRQ
+                        | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
+        },
+};
+
+static struct platform_device dm355evm_dm9000 = {
+        .name           = "dm9000",
+        .id             = -1,
+        .resource       = dm355evm_dm9000_rsrc,
+        .num_resources  = ARRAY_SIZE(dm355evm_dm9000_rsrc),
+};
+
+static struct platform_device *davinci_evm_devices[] __initdata = {
+        &dm355evm_dm9000,
+        &davinci_nand_device,
+};
+
+static struct davinci_uart_config uart_config __initdata = {
+        .enabled_uarts = (1 << 0),
+};
+
+static void __init dm355_evm_map_io(void)
+{
+        dm355_init();
+}
+
+static int dm355evm_mmc_get_cd(int module)
+{
+        if (!gpio_is_valid(dm355evm_mmc_gpios))
+                return -ENXIO;
+        /* low == card present */
+        return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1);
+}
+
+static int dm355evm_mmc_get_ro(int module)
+{
+        if (!gpio_is_valid(dm355evm_mmc_gpios))
+                return -ENXIO;
+        /* high == card's write protect switch active */
+        return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0);
+}
+
+static struct davinci_mmc_config dm355evm_mmc_config = {
+        .get_cd         = dm355evm_mmc_get_cd,
+        .get_ro         = dm355evm_mmc_get_ro,
+        .wires          = 4,
+        .max_freq       = 50000000,
+        .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
+        .version        = MMC_CTLR_VERSION_1,
+};
+
+/* Don't connect anything to J10 unless you're only using USB host
+ * mode *and* have to do so with some kind of gender-bender.  If
+ * you have proper Mini-B or Mini-A cables (or Mini-A adapters)
+ * the ID pin won't need any help.
+ */
+#ifdef CONFIG_USB_MUSB_PERIPHERAL
+#define USB_ID_VALUE    0       /* ID pulled high; *should* float */
+#else
+#define USB_ID_VALUE    1       /* ID pulled low */
+#endif
+
+static struct spi_eeprom at25640a = {
+        .byte_len       = SZ_64K / 8,
+        .name           = "at25640a",
+        .page_size      = 32,
+        .flags          = EE_ADDR2,
+};
+
+static struct spi_board_info dm355_evm_spi_info[] __initconst = {
+        {
+                .modalias       = "at25",
+                .platform_data  = &at25640a,
+                .max_speed_hz   = 10 * 1000 * 1000,     /* at 3v3 */
+                .bus_num        = 0,
+                .chip_select    = 0,
+                .mode           = SPI_MODE_0,
+        },
+};
+
+static __init void dm355_evm_init(void)
+{
+        struct clk *aemif;
+
+        gpio_request(1, "dm9000");
+        gpio_direction_input(1);
+        dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1);
+
+        aemif = clk_get(&dm355evm_dm9000.dev, "aemif");
+        if (IS_ERR(aemif))
+                WARN("%s: unable to get AEMIF clock\n", __func__);
+        else
+                clk_enable(aemif);
+
+        platform_add_devices(davinci_evm_devices,
+                             ARRAY_SIZE(davinci_evm_devices));
+        evm_init_i2c();
+        davinci_serial_init(&uart_config);
+
+        /* NOTE:  NAND flash timings set by the UBL are slower than
+         * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
+         * but could be 0x0400008c for about 25% faster page reads.
+         */
+
+        gpio_request(2, "usb_id_toggle");
+        gpio_direction_output(2, USB_ID_VALUE);
+        /* irlml6401 switches over 1A in under 8 msec */
+        setup_usb(500, 8);
+
+        davinci_setup_mmc(0, &dm355evm_mmc_config);
+        davinci_setup_mmc(1, &dm355evm_mmc_config);
+
+        dm355_init_spi0(BIT(0), dm355_evm_spi_info,
+                        ARRAY_SIZE(dm355_evm_spi_info));
+}
+
+static __init void dm355_evm_irq_init(void)
+{
+        davinci_irq_init();
+}
+
+MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
+        .phys_io      = IO_PHYS,
+        .io_pg_offst  = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
+        .boot_params  = (0x80000100),
+        .map_io       = dm355_evm_map_io,
+        .init_irq     = dm355_evm_irq_init,
+        .timer        = &davinci_timer,
+        .init_machine = dm355_evm_init,
+MACHINE_END
diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c
new file mode 100644
index 00000000000..28c9008df4f
--- /dev/null
+++ b/arch/arm/mach-davinci/board-dm355-leopard.c
@@ -0,0 +1,296 @@
+/*
+ * DM355 leopard board support
+ *
+ * Based on board-dm355-evm.c
+ *
+ * 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.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.h>
+#include <linux/i2c.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/clk.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/eeprom.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <mach/hardware.h>
+#include <mach/dm355.h>
+#include <mach/psc.h>
+#include <mach/common.h>
+#include <mach/i2c.h>
+#include <mach/serial.h>
+#include <mach/nand.h>
+#include <mach/mmc.h>
+#include <mach/common.h>
+
+#define DAVINCI_ASYNC_EMIF_CONTROL_BASE         0x01e10000
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE        0x02000000
+
+/* NOTE:  this is geared for the standard config, with a socketed
+ * 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors.  If you
+ * swap chips, maybe with a different block size, partitioning may
+ * need to be changed.
+ */
+#define NAND_BLOCK_SIZE         SZ_128K
+
+static struct mtd_partition davinci_nand_partitions[] = {
+        {
+                /* UBL (a few copies) plus U-Boot */
+                .name           = "bootloader",
+                .offset         = 0,
+                .size           = 15 * NAND_BLOCK_SIZE,
+                .mask_flags     = MTD_WRITEABLE, /* force read-only */
+        }, {
+                /* U-Boot environment */
+                .name           = "params",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = 1 * NAND_BLOCK_SIZE,
+                .mask_flags     = 0,
+        }, {
+                .name           = "kernel",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = SZ_4M,
+                .mask_flags     = 0,
+        }, {
+                .name           = "filesystem1",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = SZ_512M,
+                .mask_flags     = 0,
+        }, {
+                .name           = "filesystem2",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = MTDPART_SIZ_FULL,
+                .mask_flags     = 0,
+        }
+        /* two blocks with bad block table (and mirror) at the end */
+};
+
+static struct davinci_nand_pdata davinci_nand_data = {
+        .mask_chipsel           = BIT(14),
+        .parts                  = davinci_nand_partitions,
+        .nr_parts               = ARRAY_SIZE(davinci_nand_partitions),
+        .ecc_mode               = NAND_ECC_HW_SYNDROME,
+        .options                = NAND_USE_FLASH_BBT,
+};
+
+static struct resource davinci_nand_resources[] = {
+        {
+                .start          = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
+                .end            = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1,
+                .flags          = IORESOURCE_MEM,
+        }, {
+                .start          = DAVINCI_ASYNC_EMIF_CONTROL_BASE,
+                .end            = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
+                .flags          = IORESOURCE_MEM,
+        },
+};
+
+static struct platform_device davinci_nand_device = {
+        .name                   = "davinci_nand",
+        .id                     = 0,
+
+        .num_resources          = ARRAY_SIZE(davinci_nand_resources),
+        .resource               = davinci_nand_resources,
+
+        .dev                    = {
+                .platform_data  = &davinci_nand_data,
+        },
+};
+
+static struct davinci_i2c_platform_data i2c_pdata = {
+        .bus_freq       = 400   /* kHz */,
+        .bus_delay      = 0     /* usec */,
+};
+
+static int leopard_mmc_gpio = -EINVAL;
+
+static void dm355leopard_mmcsd_gpios(unsigned gpio)
+{
+        gpio_request(gpio + 0, "mmc0_ro");
+        gpio_request(gpio + 1, "mmc0_cd");
+        gpio_request(gpio + 2, "mmc1_ro");
+        gpio_request(gpio + 3, "mmc1_cd");
+
+        /* we "know" these are input-only so we don't
+         * need to call gpio_direction_input()
+         */
+
+        leopard_mmc_gpio = gpio;
+}
+
+static struct i2c_board_info dm355leopard_i2c_info[] = {
+        { I2C_BOARD_INFO("dm355leopard_msp", 0x25),
+                .platform_data = dm355leopard_mmcsd_gpios,
+                /* plus irq */ },
+        /* { I2C_BOARD_INFO("tlv320aic3x", 0x1b), }, */
+        /* { I2C_BOARD_INFO("tvp5146", 0x5d), }, */
+};
+
+static void __init leopard_init_i2c(void)
+{
+        davinci_init_i2c(&i2c_pdata);
+
+        gpio_request(5, "dm355leopard_msp");
+        gpio_direction_input(5);
+        dm355leopard_i2c_info[0].irq = gpio_to_irq(5);
+
+        i2c_register_board_info(1, dm355leopard_i2c_info,
+                        ARRAY_SIZE(dm355leopard_i2c_info));
+}
+
+static struct resource dm355leopard_dm9000_rsrc[] = {
+        {
+                /* addr */
+                .start  = 0x04000000,
+                .end    = 0x04000001,
+                .flags  = IORESOURCE_MEM,
+        }, {
+                /* data */
+                .start  = 0x04000016,
+                .end    = 0x04000017,
+                .flags  = IORESOURCE_MEM,
+        }, {
+                .flags  = IORESOURCE_IRQ
+                        | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
+        },
+};
+
+static struct platform_device dm355leopard_dm9000 = {
+        .name           = "dm9000",
+        .id             = -1,
+        .resource       = dm355leopard_dm9000_rsrc,
+        .num_resources  = ARRAY_SIZE(dm355leopard_dm9000_rsrc),
+};
+
+static struct platform_device *davinci_leopard_devices[] __initdata = {
+        &dm355leopard_dm9000,
+        &davinci_nand_device,
+};
+
+static struct davinci_uart_config uart_config __initdata = {
+        .enabled_uarts = (1 << 0),
+};
+
+static void __init dm355_leopard_map_io(void)
+{
+        dm355_init();
+}
+
+static int dm355leopard_mmc_get_cd(int module)
+{
+        if (!gpio_is_valid(leopard_mmc_gpio))
+                return -ENXIO;
+        /* low == card present */
+        return !gpio_get_value_cansleep(leopard_mmc_gpio + 2 * module + 1);
+}
+
+static int dm355leopard_mmc_get_ro(int module)
+{
+        if (!gpio_is_valid(leopard_mmc_gpio))
+                return -ENXIO;
+        /* high == card's write protect switch active */
+        return gpio_get_value_cansleep(leopard_mmc_gpio + 2 * module + 0);
+}
+
+static struct davinci_mmc_config dm355leopard_mmc_config = {
+        .get_cd         = dm355leopard_mmc_get_cd,
+        .get_ro         = dm355leopard_mmc_get_ro,
+        .wires          = 4,
+        .max_freq       = 50000000,
+        .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
+};
+
+/* Don't connect anything to J10 unless you're only using USB host
+ * mode *and* have to do so with some kind of gender-bender.  If
+ * you have proper Mini-B or Mini-A cables (or Mini-A adapters)
+ * the ID pin won't need any help.
+ */
+#ifdef CONFIG_USB_MUSB_PERIPHERAL
+#define USB_ID_VALUE    0       /* ID pulled high; *should* float */
+#else
+#define USB_ID_VALUE    1       /* ID pulled low */
+#endif
+
+static struct spi_eeprom at25640a = {
+        .byte_len       = SZ_64K / 8,
+        .name           = "at25640a",
+        .page_size      = 32,
+        .flags          = EE_ADDR2,
+};
+
+static struct spi_board_info dm355_leopard_spi_info[] __initconst = {
+        {
+                .modalias       = "at25",
+                .platform_data  = &at25640a,
+                .max_speed_hz   = 10 * 1000 * 1000,     /* at 3v3 */
+                .bus_num        = 0,
+                .chip_select    = 0,
+                .mode           = SPI_MODE_0,
+        },
+};
+
+static __init void dm355_leopard_init(void)
+{
+        struct clk *aemif;
+
+        gpio_request(9, "dm9000");
+        gpio_direction_input(9);
+        dm355leopard_dm9000_rsrc[2].start = gpio_to_irq(9);
+
+        aemif = clk_get(&dm355leopard_dm9000.dev, "aemif");
+        if (IS_ERR(aemif))
+                WARN("%s: unable to get AEMIF clock\n", __func__);
+        else
+                clk_enable(aemif);
+
+        platform_add_devices(davinci_leopard_devices,
+                             ARRAY_SIZE(davinci_leopard_devices));
+        leopard_init_i2c();
+        davinci_serial_init(&uart_config);
+
+        /* NOTE:  NAND flash timings set by the UBL are slower than
+         * needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
+         * but could be 0x0400008c for about 25% faster page reads.
+         */
+
+        gpio_request(2, "usb_id_toggle");
+        gpio_direction_output(2, USB_ID_VALUE);
+        /* irlml6401 switches over 1A in under 8 msec */
+        setup_usb(500, 8);
+
+        davinci_setup_mmc(0, &dm355leopard_mmc_config);
+        davinci_setup_mmc(1, &dm355leopard_mmc_config);
+
+        dm355_init_spi0(BIT(0), dm355_leopard_spi_info,
+                        ARRAY_SIZE(dm355_leopard_spi_info));
+}
+
+static __init void dm355_leopard_irq_init(void)
+{
+        davinci_irq_init();
+}
+
+MACHINE_START(DM355_LEOPARD, "DaVinci DM355 leopard")
+        .phys_io      = IO_PHYS,
+        .io_pg_offst  = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
+        .boot_params  = (0x80000100),
+        .map_io       = dm355_leopard_map_io,
+        .init_irq     = dm355_leopard_irq_init,
+        .timer        = &davinci_timer,
+        .init_machine = dm355_leopard_init,
+MACHINE_END
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index b2e7f9c63bc..d9d40450bdc 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -16,12 +16,11 @@
 #include <linux/gpio.h>
 #include <linux/leds.h>
 #include <linux/memory.h>
-#include <linux/etherdevice.h>
 
 #include <linux/i2c.h>
 #include <linux/i2c/pcf857x.h>
 #include <linux/i2c/at24.h>
-
+#include <linux/etherdevice.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
@@ -44,6 +43,9 @@
 #include <mach/mux.h>
 #include <mach/psc.h>
 #include <mach/nand.h>
+#include <mach/mmc.h>
+#include <mach/emac.h>
+#include <mach/common.h>
 
 #define DM644X_EVM_PHY_MASK             (0x2)
 #define DM644X_EVM_MDIO_FREQUENCY       (2200000) /* PHY bus frequency */
@@ -436,45 +438,15 @@ static struct pcf857x_platform_data pcf_data_u35 = {
  *  - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL)
  *  - ... newer boards may have more
  */
-static struct memory_accessor *at24_mem_acc;
-
-static void at24_setup(struct memory_accessor *mem_acc, void *context)
-{
-        DECLARE_MAC_BUF(mac_str);
-        char mac_addr[6];
-
-        at24_mem_acc = mem_acc;
-
-        /* Read MAC addr from EEPROM */
-        if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x7f00, 6) == 6) {
-                printk(KERN_INFO "Read MAC addr from EEPROM: %s\n",
-                       print_mac(mac_str, mac_addr));
-        }
-}
 
 static struct at24_platform_data eeprom_info = {
         .byte_len       = (256*1024) / 8,
         .page_size      = 64,
         .flags          = AT24_FLAG_ADDR16,
-        .setup          = at24_setup,
+        .setup          = davinci_get_mac_addr,
+        .context        = (void *)0x7f00,
 };
 
-int dm6446evm_eeprom_read(void *buf, off_t off, size_t count)
-{
-        if (at24_mem_acc)
-                return at24_mem_acc->read(at24_mem_acc, buf, off, count);
-        return -ENODEV;
-}
-EXPORT_SYMBOL(dm6446evm_eeprom_read);
-
-int dm6446evm_eeprom_write(void *buf, off_t off, size_t count)
-{
-        if (at24_mem_acc)
-                return at24_mem_acc->write(at24_mem_acc, buf, off, count);
-        return -ENODEV;
-}
-EXPORT_SYMBOL(dm6446evm_eeprom_write);
-
 /*
  * MSP430 supports RTC, card detection, input from IR remote, and
  * a bit more.  It triggers interrupts on GPIO(7) from pressing
@@ -545,6 +517,27 @@ static int dm6444evm_msp430_get_pins(void)
         return (buf[3] << 8) | buf[2];
 }
 
+static int dm6444evm_mmc_get_cd(int module)
+{
+        int status = dm6444evm_msp430_get_pins();
+
+        return (status < 0) ? status : !(status & BIT(1));
+}
+
+static int dm6444evm_mmc_get_ro(int module)
+{
+        int status = dm6444evm_msp430_get_pins();
+
+        return (status < 0) ? status : status & BIT(6 + 8);
+}
+
+static struct davinci_mmc_config dm6446evm_mmc_config = {
+        .get_cd         = dm6444evm_mmc_get_cd,
+        .get_ro         = dm6444evm_mmc_get_ro,
+        .wires          = 4,
+        .version        = MMC_CTLR_VERSION_1
+};
+
 static struct i2c_board_info __initdata i2c_info[] =  {
         {
                 I2C_BOARD_INFO("dm6446evm_msp", 0x23),
@@ -598,7 +591,6 @@ static struct davinci_uart_config uart_config __initdata = {
 static void __init
 davinci_evm_map_io(void)
 {
-        davinci_map_common_io();
         dm644x_init();
 }
 
@@ -639,6 +631,7 @@ static int davinci_phy_fixup(struct phy_device *phydev)
 static __init void davinci_evm_init(void)
 {
         struct clk *aemif_clk;
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
 
         aemif_clk = clk_get(NULL, "aemif");
         clk_enable(aemif_clk);
@@ -671,8 +664,13 @@ static __init void davinci_evm_init(void)
                              ARRAY_SIZE(davinci_evm_devices));
         evm_init_i2c();
 
+        davinci_setup_mmc(0, &dm6446evm_mmc_config);
+
         davinci_serial_init(&uart_config);
 
+        soc_info->emac_pdata->phy_mask = DM644X_EVM_PHY_MASK;
+        soc_info->emac_pdata->mdio_max_freq = DM644X_EVM_MDIO_FREQUENCY;
+
         /* Register the fixup for PHY on DaVinci */
         phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK,
                                         davinci_phy_fixup);
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c
new file mode 100644
index 00000000000..e17de635262
--- /dev/null
+++ b/arch/arm/mach-davinci/board-dm646x-evm.c
@@ -0,0 +1,262 @@
+/*
+ * TI DaVinci DM646X EVM board
+ *
+ * Derived from: arch/arm/mach-davinci/board-evm.c
+ * Copyright (C) 2006 Texas Instruments.
+ *
+ * (C) 2007-2008, 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.
+ *
+ */
+
+/**************************************************************************
+ * Included Files
+ **************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/fs.h>
+#include <linux/major.h>
+#include <linux/root_dev.h>
+#include <linux/dma-mapping.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+#include <linux/i2c/pcf857x.h>
+#include <linux/etherdevice.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <mach/dm646x.h>
+#include <mach/common.h>
+#include <mach/psc.h>
+#include <mach/serial.h>
+#include <mach/i2c.h>
+#include <mach/mmc.h>
+#include <mach/emac.h>
+#include <mach/common.h>
+
+#define DM646X_EVM_PHY_MASK             (0x2)
+#define DM646X_EVM_MDIO_FREQUENCY       (2200000) /* PHY bus frequency */
+
+static struct davinci_uart_config uart_config __initdata = {
+        .enabled_uarts = (1 << 0),
+};
+
+/* LEDS */
+
+static struct gpio_led evm_leds[] = {
+        { .name = "DS1", .active_low = 1, },
+        { .name = "DS2", .active_low = 1, },
+        { .name = "DS3", .active_low = 1, },
+        { .name = "DS4", .active_low = 1, },
+};
+
+static __initconst struct gpio_led_platform_data evm_led_data = {
+        .num_leds = ARRAY_SIZE(evm_leds),
+        .leds     = evm_leds,
+};
+
+static struct platform_device *evm_led_dev;
+
+static int evm_led_setup(struct i2c_client *client, int gpio,
+                        unsigned int ngpio, void *c)
+{
+        struct gpio_led *leds = evm_leds;
+        int status;
+
+        while (ngpio--) {
+                leds->gpio = gpio++;
+                leds++;
+        };
+
+        evm_led_dev = platform_device_alloc("leds-gpio", 0);
+        platform_device_add_data(evm_led_dev, &evm_led_data,
+                                sizeof(evm_led_data));
+
+        evm_led_dev->dev.parent = &client->dev;
+        status = platform_device_add(evm_led_dev);
+        if (status < 0) {
+                platform_device_put(evm_led_dev);
+                evm_led_dev = NULL;
+        }
+        return status;
+}
+
+static int evm_led_teardown(struct i2c_client *client, int gpio,
+                                unsigned ngpio, void *c)
+{
+        if (evm_led_dev) {
+                platform_device_unregister(evm_led_dev);
+                evm_led_dev = NULL;
+        }
+        return 0;
+}
+
+static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
+
+static int evm_sw_setup(struct i2c_client *client, int gpio,
+                        unsigned ngpio, void *c)
+{
+        int status;
+        int i;
+        char label[10];
+
+        for (i = 0; i < 4; ++i) {
+                snprintf(label, 10, "user_sw%d", i);
+                status = gpio_request(gpio, label);
+                if (status)
+                        goto out_free;
+                evm_sw_gpio[i] = gpio++;
+
+                status = gpio_direction_input(evm_sw_gpio[i]);
+                if (status) {
+                        gpio_free(evm_sw_gpio[i]);
+                        evm_sw_gpio[i] = -EINVAL;
+                        goto out_free;
+                }
+
+                status = gpio_export(evm_sw_gpio[i], 0);
+                if (status) {
+                        gpio_free(evm_sw_gpio[i]);
+                        evm_sw_gpio[i] = -EINVAL;
+                        goto out_free;
+                }
+        }
+        return status;
+out_free:
+        for (i = 0; i < 4; ++i) {
+                if (evm_sw_gpio[i] != -EINVAL) {
+                        gpio_free(evm_sw_gpio[i]);
+                        evm_sw_gpio[i] = -EINVAL;
+                }
+        }
+        return status;
+}
+
+static int evm_sw_teardown(struct i2c_client *client, int gpio,
+                        unsigned ngpio, void *c)
+{
+        int i;
+
+        for (i = 0; i < 4; ++i) {
+                if (evm_sw_gpio[i] != -EINVAL) {
+                        gpio_unexport(evm_sw_gpio[i]);
+                        gpio_free(evm_sw_gpio[i]);
+                        evm_sw_gpio[i] = -EINVAL;
+                }
+        }
+        return 0;
+}
+
+static int evm_pcf_setup(struct i2c_client *client, int gpio,
+                        unsigned int ngpio, void *c)
+{
+        int status;
+
+        if (ngpio < 8)
+                return -EINVAL;
+
+        status = evm_sw_setup(client, gpio, 4, c);
+        if (status)
+                return status;
+
+        return evm_led_setup(client, gpio+4, 4, c);
+}
+
+static int evm_pcf_teardown(struct i2c_client *client, int gpio,
+                        unsigned int ngpio, void *c)
+{
+        BUG_ON(ngpio < 8);
+
+        evm_sw_teardown(client, gpio, 4, c);
+        evm_led_teardown(client, gpio+4, 4, c);
+
+        return 0;
+}
+
+static struct pcf857x_platform_data pcf_data = {
+        .gpio_base      = DAVINCI_N_GPIO+1,
+        .setup          = evm_pcf_setup,
+        .teardown       = evm_pcf_teardown,
+};
+
+/* Most of this EEPROM is unused, but U-Boot uses some data:
+ *  - 0x7f00, 6 bytes Ethernet Address
+ *  - ... newer boards may have more
+ */
+
+static struct at24_platform_data eeprom_info = {
+        .byte_len       = (256*1024) / 8,
+        .page_size      = 64,
+        .flags          = AT24_FLAG_ADDR16,
+        .setup          = davinci_get_mac_addr,
+        .context        = (void *)0x7f00,
+};
+
+static struct i2c_board_info __initdata i2c_info[] =  {
+        {
+                I2C_BOARD_INFO("24c256", 0x50),
+                .platform_data  = &eeprom_info,
+        },
+        {
+                I2C_BOARD_INFO("pcf8574a", 0x38),
+                .platform_data  = &pcf_data,
+        },
+};
+
+static struct davinci_i2c_platform_data i2c_pdata = {
+        .bus_freq       = 100 /* kHz */,
+        .bus_delay      = 0 /* usec */,
+};
+
+static void __init evm_init_i2c(void)
+{
+        davinci_init_i2c(&i2c_pdata);
+        i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
+}
+
+static void __init davinci_map_io(void)
+{
+        dm646x_init();
+}
+
+static __init void evm_init(void)
+{
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+        evm_init_i2c();
+        davinci_serial_init(&uart_config);
+
+        soc_info->emac_pdata->phy_mask = DM646X_EVM_PHY_MASK;
+        soc_info->emac_pdata->mdio_max_freq = DM646X_EVM_MDIO_FREQUENCY;
+}
+
+static __init void davinci_dm646x_evm_irq_init(void)
+{
+        davinci_irq_init();
+}
+
+MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
+        .phys_io      = IO_PHYS,
+        .io_pg_offst  = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
+        .boot_params  = (0x80000100),
+        .map_io       = davinci_map_io,
+        .init_irq     = davinci_dm646x_evm_irq_init,
+        .timer        = &davinci_timer,
+        .init_machine = evm_init,
+MACHINE_END
+
diff --git a/arch/arm/mach-davinci/board-sffsdr.c b/arch/arm/mach-davinci/board-sffsdr.c
new file mode 100644
index 00000000000..748a8e48541
--- /dev/null
+++ b/arch/arm/mach-davinci/board-sffsdr.c
@@ -0,0 +1,189 @@
+/*
+ * Lyrtech SFFSDR board support.
+ *
+ * Copyright (C) 2008 Philip Balister, OpenSDR <philip@opensdr.com>
+ * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+ *
+ * Based on DV-EVM platform, original copyright follows:
+ *
+ * Copyright (C) 2007 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.
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+#include <linux/etherdevice.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/io.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <mach/dm644x.h>
+#include <mach/common.h>
+#include <mach/i2c.h>
+#include <mach/serial.h>
+#include <mach/psc.h>
+#include <mach/mux.h>
+#include <mach/common.h>
+
+#define SFFSDR_PHY_MASK         (0x2)
+#define SFFSDR_MDIO_FREQUENCY   (2200000) /* PHY bus frequency */
+
+#define DAVINCI_ASYNC_EMIF_CONTROL_BASE   0x01e00000
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE  0x02000000
+
+struct mtd_partition davinci_sffsdr_nandflash_partition[] = {
+        /* U-Boot Environment: Block 0
+         * UBL:                Block 1
+         * U-Boot:             Blocks 6-7 (256 kb)
+         * Integrity Kernel:   Blocks 8-31 (3 Mb)
+         * Integrity Data:     Blocks 100-END
+         */
+        {
+                .name           = "Linux Kernel",
+                .offset         = 32 * SZ_128K,
+                .size           = 16 * SZ_128K, /* 2 Mb */
+                .mask_flags     = MTD_WRITEABLE, /* Force read-only */
+        },
+        {
+                .name           = "Linux ROOT",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = 256 * SZ_128K, /* 32 Mb */
+                .mask_flags     = 0, /* R/W */
+        },
+};
+
+static struct flash_platform_data davinci_sffsdr_nandflash_data = {
+        .parts          = davinci_sffsdr_nandflash_partition,
+        .nr_parts       = ARRAY_SIZE(davinci_sffsdr_nandflash_partition),
+};
+
+static struct resource davinci_sffsdr_nandflash_resource[] = {
+        {
+                .start          = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
+                .end            = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
+                .flags          = IORESOURCE_MEM,
+        }, {
+                .start          = DAVINCI_ASYNC_EMIF_CONTROL_BASE,
+                .end            = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
+                .flags          = IORESOURCE_MEM,
+        },
+};
+
+static struct platform_device davinci_sffsdr_nandflash_device = {
+        .name           = "davinci_nand", /* Name of driver */
+        .id             = 0,
+        .dev            = {
+                .platform_data  = &davinci_sffsdr_nandflash_data,
+        },
+        .num_resources  = ARRAY_SIZE(davinci_sffsdr_nandflash_resource),
+        .resource       = davinci_sffsdr_nandflash_resource,
+};
+
+static struct emac_platform_data sffsdr_emac_pdata = {
+        .phy_mask       = SFFSDR_PHY_MASK,
+        .mdio_max_freq  = SFFSDR_MDIO_FREQUENCY,
+};
+
+static struct at24_platform_data eeprom_info = {
+        .byte_len       = (64*1024) / 8,
+        .page_size      = 32,
+        .flags          = AT24_FLAG_ADDR16,
+};
+
+static struct i2c_board_info __initdata i2c_info[] =  {
+        {
+                I2C_BOARD_INFO("24lc64", 0x50),
+                .platform_data  = &eeprom_info,
+        },
+        /* Other I2C devices:
+         * MSP430,  addr 0x23 (not used)
+         * PCA9543, addr 0x70 (setup done by U-Boot)
+         * ADS7828, addr 0x48 (ADC for voltage monitoring.)
+         */
+};
+
+static struct davinci_i2c_platform_data i2c_pdata = {
+        .bus_freq       = 20 /* kHz */,
+        .bus_delay      = 100 /* usec */,
+};
+
+static void __init sffsdr_init_i2c(void)
+{
+        davinci_init_i2c(&i2c_pdata);
+        i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
+}
+
+static struct platform_device *davinci_sffsdr_devices[] __initdata = {
+        &davinci_sffsdr_nandflash_device,
+};
+
+static struct davinci_uart_config uart_config __initdata = {
+        .enabled_uarts = (1 << 0),
+};
+
+static void __init davinci_sffsdr_map_io(void)
+{
+        dm644x_init();
+}
+
+static __init void davinci_sffsdr_init(void)
+{
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+        platform_add_devices(davinci_sffsdr_devices,
+                             ARRAY_SIZE(davinci_sffsdr_devices));
+        sffsdr_init_i2c();
+        davinci_serial_init(&uart_config);
+        soc_info->emac_pdata->phy_mask = SFFSDR_PHY_MASK;
+        soc_info->emac_pdata->mdio_max_freq = SFFSDR_MDIO_FREQUENCY;
+        setup_usb(0, 0); /* We support only peripheral mode. */
+
+        /* mux VLYNQ pins */
+        davinci_cfg_reg(DM644X_VLYNQEN);
+        davinci_cfg_reg(DM644X_VLYNQWD);
+}
+
+static __init void davinci_sffsdr_irq_init(void)
+{
+        davinci_irq_init();
+}
+
+MACHINE_START(SFFSDR, "Lyrtech SFFSDR")
+        /* Maintainer: Hugo Villeneuve hugo.villeneuve@lyrtech.com */
+        .phys_io      = IO_PHYS,
+        .io_pg_offst  = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
+        .boot_params  = (DAVINCI_DDR_BASE + 0x100),
+        .map_io       = davinci_sffsdr_map_io,
+        .init_irq     = davinci_sffsdr_irq_init,
+        .timer        = &davinci_timer,
+        .init_machine = davinci_sffsdr_init,
+MACHINE_END
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index f0baaa15a57..39bf321d70a 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -42,7 +42,8 @@ static void __clk_enable(struct clk *clk)
         if (clk->parent)
                 __clk_enable(clk->parent);
         if (clk->usecount++ == 0 && (clk->flags & CLK_PSC))
-                davinci_psc_config(psc_domain(clk), clk->lpsc, 1);
+                davinci_psc_config(psc_domain(clk), clk->psc_ctlr,
+                                clk->lpsc, 1);
 }
 
 static void __clk_disable(struct clk *clk)
@@ -50,7 +51,8 @@ static void __clk_disable(struct clk *clk)
         if (WARN_ON(clk->usecount == 0))
                 return;
         if (--clk->usecount == 0 && !(clk->flags & CLK_PLL))
-                davinci_psc_config(psc_domain(clk), clk->lpsc, 0);
+                davinci_psc_config(psc_domain(clk), clk->psc_ctlr,
+                                clk->lpsc, 0);
         if (clk->parent)
                 __clk_disable(clk->parent);
 }
@@ -164,11 +166,11 @@ static int __init clk_disable_unused(void)
                         continue;
 
                 /* ignore if in Disabled or SwRstDisable states */
-                if (!davinci_psc_is_clk_active(ck->lpsc))
+                if (!davinci_psc_is_clk_active(ck->psc_ctlr, ck->lpsc))
                         continue;
 
                 pr_info("Clocks: disable unused %s\n", ck->name);
-                davinci_psc_config(psc_domain(ck), ck->lpsc, 0);
+                davinci_psc_config(psc_domain(ck), ck->psc_ctlr, ck->lpsc, 0);
         }
         spin_unlock_irq(&clockfw_lock);
 
diff --git a/arch/arm/mach-davinci/clock.h b/arch/arm/mach-davinci/clock.h
index 35736ec202f..27233cb4a2f 100644
--- a/arch/arm/mach-davinci/clock.h
+++ b/arch/arm/mach-davinci/clock.h
@@ -67,6 +67,7 @@ struct clk {
         u8                      usecount;
         u8                      flags;
         u8                      lpsc;
+        u8                      psc_ctlr;
         struct clk              *parent;
         struct pll_data         *pll_data;
         u32                     div_reg;
@@ -93,4 +94,7 @@ struct davinci_clk {
         }
 
 int davinci_clk_init(struct davinci_clk *clocks);
+
+extern struct platform_device davinci_wdt_device;
+
 #endif
diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c
new file mode 100644
index 00000000000..61ede19c6b5
--- /dev/null
+++ b/arch/arm/mach-davinci/common.c
@@ -0,0 +1,108 @@
+/*
+ * Code commons to all DaVinci SoCs.
+ *
+ * Author: Mark A. Greer <mgreer@mvista.com>
+ *
+ * 2009 (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.
+ */
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/etherdevice.h>
+
+#include <asm/tlb.h>
+#include <asm/mach/map.h>
+
+#include <mach/common.h>
+#include <mach/cputype.h>
+#include <mach/emac.h>
+
+#include "clock.h"
+
+struct davinci_soc_info davinci_soc_info;
+EXPORT_SYMBOL(davinci_soc_info);
+
+void __iomem *davinci_intc_base;
+int davinci_intc_type;
+
+void davinci_get_mac_addr(struct memory_accessor *mem_acc, void *context)
+{
+        char *mac_addr = davinci_soc_info.emac_pdata->mac_addr;
+        off_t offset = (off_t)context;
+
+        /* Read MAC addr from EEPROM */
+        if (mem_acc->read(mem_acc, mac_addr, offset, ETH_ALEN) == ETH_ALEN)
+                pr_info("Read MAC addr from EEPROM: %pM\n", mac_addr);
+}
+
+static struct davinci_id * __init davinci_get_id(u32 jtag_id)
+{
+        int i;
+        struct davinci_id *dip;
+        u8 variant = (jtag_id & 0xf0000000) >> 28;
+        u16 part_no = (jtag_id & 0x0ffff000) >> 12;
+
+        for (i = 0, dip = davinci_soc_info.ids; i < davinci_soc_info.ids_num;
+                        i++, dip++)
+                /* Don't care about the manufacturer right now */
+                if ((dip->part_no == part_no) && (dip->variant == variant))
+                        return dip;
+
+        return NULL;
+}
+
+void __init davinci_common_init(struct davinci_soc_info *soc_info)
+{
+        int ret;
+        struct davinci_id *dip;
+
+        if (!soc_info) {
+                ret = -EINVAL;
+                goto err;
+        }
+
+        memcpy(&davinci_soc_info, soc_info, sizeof(struct davinci_soc_info));
+
+        if (davinci_soc_info.io_desc && (davinci_soc_info.io_desc_num > 0))
+                iotable_init(davinci_soc_info.io_desc,
+                                davinci_soc_info.io_desc_num);
+
+        /*
+         * Normally devicemaps_init() would flush caches and tlb after
+         * mdesc->map_io(), but we must also do it here because of the CPU
+         * revision check below.
+         */
+        local_flush_tlb_all();
+        flush_cache_all();
+
+        /*
+         * We want to check CPU revision early for cpu_is_xxxx() macros.
+         * IO space mapping must be initialized before we can do that.
+         */
+        davinci_soc_info.jtag_id = __raw_readl(davinci_soc_info.jtag_id_base);
+
+        dip = davinci_get_id(davinci_soc_info.jtag_id);
+        if (!dip) {
+                ret = -EINVAL;
+                goto err;
+        }
+
+        davinci_soc_info.cpu_id = dip->cpu_id;
+        pr_info("DaVinci %s variant 0x%x\n", dip->name, dip->variant);
+
+        if (davinci_soc_info.cpu_clks) {
+                ret = davinci_clk_init(davinci_soc_info.cpu_clks);
+
+                if (ret != 0)
+                        goto err;
+        }
+
+        davinci_intc_base = davinci_soc_info.intc_base;
+        davinci_intc_type = davinci_soc_info.intc_type;
+        return;
+
+err:
+        pr_err("davinci_common_init: SoC Initialization failed\n");
+}
diff --git a/arch/arm/mach-davinci/cp_intc.c b/arch/arm/mach-davinci/cp_intc.c
new file mode 100644
index 00000000000..96c8e97a7de
--- /dev/null
+++ b/arch/arm/mach-davinci/cp_intc.c
@@ -0,0 +1,161 @@
+/*
+ * TI Common Platform Interrupt Controller (cp_intc) driver
+ *
+ * Author: Steve Chen <schen@mvista.com>
+ * Copyright (C) 2008-2009, MontaVista Software, Inc. <source@mvista.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.
+ */
+
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <mach/cp_intc.h>
+
+static void __iomem *cp_intc_base;
+
+static inline unsigned int cp_intc_read(unsigned offset)
+{
+        return __raw_readl(cp_intc_base + offset);
+}
+
+static inline void cp_intc_write(unsigned long value, unsigned offset)
+{
+        __raw_writel(value, cp_intc_base + offset);
+}
+
+static void cp_intc_ack_irq(unsigned int irq)
+{
+        cp_intc_write(irq, CP_INTC_SYS_STAT_IDX_CLR);
+}
+
+/* Disable interrupt */
+static void cp_intc_mask_irq(unsigned int irq)
+{
+        /* XXX don't know why we need to disable nIRQ here... */
+        cp_intc_write(1, CP_INTC_HOST_ENABLE_IDX_CLR);
+        cp_intc_write(irq, CP_INTC_SYS_ENABLE_IDX_CLR);
+        cp_intc_write(1, CP_INTC_HOST_ENABLE_IDX_SET);
+}
+
+/* Enable interrupt */
+static void cp_intc_unmask_irq(unsigned int irq)
+{
+        cp_intc_write(irq, CP_INTC_SYS_ENABLE_IDX_SET);
+}
+
+static int cp_intc_set_irq_type(unsigned int irq, unsigned int flow_type)
+{
+        unsigned reg            = BIT_WORD(irq);
+        unsigned mask           = BIT_MASK(irq);
+        unsigned polarity       = cp_intc_read(CP_INTC_SYS_POLARITY(reg));
+        unsigned type           = cp_intc_read(CP_INTC_SYS_TYPE(reg));
+
+        switch (flow_type) {
+        case IRQ_TYPE_EDGE_RISING:
+                polarity |= mask;
+                type |= mask;
+                break;
+        case IRQ_TYPE_EDGE_FALLING:
+                polarity &= ~mask;
+                type |= mask;
+                break;
+        case IRQ_TYPE_LEVEL_HIGH:
+                polarity |= mask;
+                type &= ~mask;
+                break;
+        case IRQ_TYPE_LEVEL_LOW:
+                polarity &= ~mask;
+                type &= ~mask;
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        cp_intc_write(polarity, CP_INTC_SYS_POLARITY(reg));
+        cp_intc_write(type, CP_INTC_SYS_TYPE(reg));
+
+        return 0;
+}
+
+static struct irq_chip cp_intc_irq_chip = {
+        .name           = "cp_intc",
+        .ack            = cp_intc_ack_irq,
+        .mask           = cp_intc_mask_irq,
+        .unmask         = cp_intc_unmask_irq,
+        .set_type       = cp_intc_set_irq_type,
+};
+
+void __init cp_intc_init(void __iomem *base, unsigned short num_irq,
+                         u8 *irq_prio)
+{
+        unsigned num_reg        = BITS_TO_LONGS(num_irq);
+        int i;
+
+        cp_intc_base = base;
+
+        cp_intc_write(0, CP_INTC_GLOBAL_ENABLE);
+
+        /* Disable all host interrupts */
+        cp_intc_write(0, CP_INTC_HOST_ENABLE(0));
+
+        /* Disable system interrupts */
+        for (i = 0; i < num_reg; i++)
+                cp_intc_write(~0, CP_INTC_SYS_ENABLE_CLR(i));
+
+        /* Set to normal mode, no nesting, no priority hold */
+        cp_intc_write(0, CP_INTC_CTRL);
+        cp_intc_write(0, CP_INTC_HOST_CTRL);
+
+        /* Clear system interrupt status */
+        for (i = 0; i < num_reg; i++)
+                cp_intc_write(~0, CP_INTC_SYS_STAT_CLR(i));
+
+        /* Enable nIRQ (what about nFIQ?) */
+        cp_intc_write(1, CP_INTC_HOST_ENABLE_IDX_SET);
+
+        /*
+         * Priority is determined by host channel: lower channel number has
+         * higher priority i.e. channel 0 has highest priority and channel 31
+         * had the lowest priority.
+         */
+        num_reg = (num_irq + 3) >> 2;   /* 4 channels per register */
+        if (irq_prio) {
+                unsigned j, k;
+                u32 val;
+
+                for (k = i = 0; i < num_reg; i++) {
+                        for (val = j = 0; j < 4; j++, k++) {
+                                val >>= 8;
+                                if (k < num_irq)
+                                        val |= irq_prio[k] << 24;
+                        }
+
+                        cp_intc_write(val, CP_INTC_CHAN_MAP(i));
+                }
+        } else  {
+                /*
+                 * Default everything to channel 15 if priority not specified.
+                 * Note that channel 0-1 are mapped to nFIQ and channels 2-31
+                 * are mapped to nIRQ.
+                 */
+                for (i = 0; i < num_reg; i++)
+                        cp_intc_write(0x0f0f0f0f, CP_INTC_CHAN_MAP(i));
+        }
+
+        /* Set up genirq dispatching for cp_intc */
+        for (i = 0; i < num_irq; i++) {
+                set_irq_chip(i, &cp_intc_irq_chip);
+                set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
+                set_irq_handler(i, handle_edge_irq);
+        }
+
+        /* Enable global interrupt */
+        cp_intc_write(1, CP_INTC_GLOBAL_ENABLE);
+}
diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c
index a31370b93dd..c85091c25d1 100644
--- a/arch/arm/mach-davinci/devices.c
+++ b/arch/arm/mach-davinci/devices.c
@@ -23,8 +23,14 @@
 #include <mach/irqs.h>
 #include <mach/cputype.h>
 #include <mach/mux.h>
+#include <mach/edma.h>
+#include <mach/mmc.h>
+#include <mach/time.h>
 
 #define DAVINCI_I2C_BASE             0x01C21000
+#define DAVINCI_MMCSD0_BASE          0x01E10000
+#define DM355_MMCSD0_BASE            0x01E11000
+#define DM355_MMCSD1_BASE            0x01E00000
 
 static struct resource i2c_resources[] = {
         {
@@ -54,3 +60,208 @@ void __init davinci_init_i2c(struct davinci_i2c_platform_data *pdata)
         (void) platform_device_register(&davinci_i2c_device);
 }
 
+#if     defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE)
+
+static u64 mmcsd0_dma_mask = DMA_32BIT_MASK;
+
+static struct resource mmcsd0_resources[] = {
+        {
+                /* different on dm355 */
+                .start = DAVINCI_MMCSD0_BASE,
+                .end   = DAVINCI_MMCSD0_BASE + SZ_4K - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        /* IRQs:  MMC/SD, then SDIO */
+        {
+                .start = IRQ_MMCINT,
+                .flags = IORESOURCE_IRQ,
+        }, {
+                /* different on dm355 */
+                .start = IRQ_SDIOINT,
+                .flags = IORESOURCE_IRQ,
+        },
+        /* DMA channels: RX, then TX */
+        {
+                .start = DAVINCI_DMA_MMCRXEVT,
+                .flags = IORESOURCE_DMA,
+        }, {
+                .start = DAVINCI_DMA_MMCTXEVT,
+                .flags = IORESOURCE_DMA,
+        },
+};
+
+static struct platform_device davinci_mmcsd0_device = {
+        .name = "davinci_mmc",
+        .id = 0,
+        .dev = {
+                .dma_mask = &mmcsd0_dma_mask,
+                .coherent_dma_mask = DMA_32BIT_MASK,
+        },
+        .num_resources = ARRAY_SIZE(mmcsd0_resources),
+        .resource = mmcsd0_resources,
+};
+
+static u64 mmcsd1_dma_mask = DMA_32BIT_MASK;
+
+static struct resource mmcsd1_resources[] = {
+        {
+                .start = DM355_MMCSD1_BASE,
+                .end   = DM355_MMCSD1_BASE + SZ_4K - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        /* IRQs:  MMC/SD, then SDIO */
+        {
+                .start = IRQ_DM355_MMCINT1,
+                .flags = IORESOURCE_IRQ,
+        }, {
+                .start = IRQ_DM355_SDIOINT1,
+                .flags = IORESOURCE_IRQ,
+        },
+        /* DMA channels: RX, then TX */
+        {
+                .start = 30,    /* rx */
+                .flags = IORESOURCE_DMA,
+        }, {
+                .start = 31,    /* tx */
+                .flags = IORESOURCE_DMA,
+        },
+};
+
+static struct platform_device davinci_mmcsd1_device = {
+        .name = "davinci_mmc",
+        .id = 1,
+        .dev = {
+                .dma_mask = &mmcsd1_dma_mask,
+                .coherent_dma_mask = DMA_32BIT_MASK,
+        },
+        .num_resources = ARRAY_SIZE(mmcsd1_resources),
+        .resource = mmcsd1_resources,
+};
+
+
+void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config)
+{
+        struct platform_device  *pdev = NULL;
+
+        if (WARN_ON(cpu_is_davinci_dm646x()))
+                return;
+
+        /* REVISIT: update PINMUX, ARM_IRQMUX, and EDMA_EVTMUX here too;
+         * for example if MMCSD1 is used for SDIO, maybe DAT2 is unused.
+         *
+         * FIXME dm6441 (no MMC/SD), dm357 (one), and dm335 (two) are
+         * not handled right here ...
+         */
+        switch (module) {
+        case 1:
+                if (!cpu_is_davinci_dm355())
+                        break;
+
+                /* REVISIT we may not need all these pins if e.g. this
+                 * is a hard-wired SDIO device...
+                 */
+                davinci_cfg_reg(DM355_SD1_CMD);
+                davinci_cfg_reg(DM355_SD1_CLK);
+                davinci_cfg_reg(DM355_SD1_DATA0);
+                davinci_cfg_reg(DM355_SD1_DATA1);
+                davinci_cfg_reg(DM355_SD1_DATA2);
+                davinci_cfg_reg(DM355_SD1_DATA3);
+
+                pdev = &davinci_mmcsd1_device;
+                break;
+        case 0:
+                if (cpu_is_davinci_dm355()) {
+                        mmcsd0_resources[0].start = DM355_MMCSD0_BASE;
+                        mmcsd0_resources[0].end = DM355_MMCSD0_BASE + SZ_4K - 1;
+                        mmcsd0_resources[2].start = IRQ_DM355_SDIOINT0;
+
+                        /* expose all 6 MMC0 signals:  CLK, CMD, DATA[0..3] */
+                        davinci_cfg_reg(DM355_MMCSD0);
+
+                        /* enable RX EDMA */
+                        davinci_cfg_reg(DM355_EVT26_MMC0_RX);
+                }
+
+                else if (cpu_is_davinci_dm644x()) {
+                        /* REVISIT: should this be in board-init code? */
+                        void __iomem *base =
+                                IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE);
+
+                        /* Power-on 3.3V IO cells */
+                        __raw_writel(0, base + DM64XX_VDD3P3V_PWDN);
+                        /*Set up the pull regiter for MMC */
+                        davinci_cfg_reg(DM644X_MSTK);
+                }
+
+                pdev = &davinci_mmcsd0_device;
+                break;
+        }
+
+        if (WARN_ON(!pdev))
+                return;
+
+        pdev->dev.platform_data = config;
+        platform_device_register(pdev);
+}
+
+#else
+
+void __init davinci_setup_mmc(int module, struct davinci_mmc_config *config)
+{
+}
+
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+static struct resource wdt_resources[] = {
+        {
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+struct platform_device davinci_wdt_device = {
+        .name           = "watchdog",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(wdt_resources),
+        .resource       = wdt_resources,
+};
+
+static void davinci_init_wdt(void)
+{
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+        wdt_resources[0].start = (resource_size_t)soc_info->wdt_base;
+        wdt_resources[0].end = (resource_size_t)soc_info->wdt_base + SZ_1K - 1;
+
+        platform_device_register(&davinci_wdt_device);
+}
+
+/*-------------------------------------------------------------------------*/
+
+struct davinci_timer_instance davinci_timer_instance[2] = {
+        {
+                .base           = IO_ADDRESS(DAVINCI_TIMER0_BASE),
+                .bottom_irq     = IRQ_TINT0_TINT12,
+                .top_irq        = IRQ_TINT0_TINT34,
+        },
+        {
+                .base           = IO_ADDRESS(DAVINCI_TIMER1_BASE),
+                .bottom_irq     = IRQ_TINT1_TINT12,
+                .top_irq        = IRQ_TINT1_TINT34,
+        },
+};
+
+/*-------------------------------------------------------------------------*/
+
+static int __init davinci_init_devices(void)
+{
+        /* please keep these calls, and their implementations above,
+         * in alphabetical order so they're easier to sort through.
+         */
+        davinci_init_wdt();
+
+        return 0;
+}
+arch_initcall(davinci_init_devices);
+
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
new file mode 100644
index 00000000000..baaaf328de2
--- /dev/null
+++ b/arch/arm/mach-davinci/dm355.c
@@ -0,0 +1,730 @@
+/*
+ * TI DaVinci DM355 chip specific setup
+ *
+ * Author: Kevin Hilman, Deep Root Systems, LLC
+ *
+ * 2007 (c) Deep Root Systems, LLC. 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.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/serial_8250.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/gpio.h>
+
+#include <linux/spi/spi.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/dm355.h>
+#include <mach/clock.h>
+#include <mach/cputype.h>
+#include <mach/edma.h>
+#include <mach/psc.h>
+#include <mach/mux.h>
+#include <mach/irqs.h>
+#include <mach/time.h>
+#include <mach/serial.h>
+#include <mach/common.h>
+
+#include "clock.h"
+#include "mux.h"
+
+#define DM355_UART2_BASE        (IO_PHYS + 0x206000)
+
+/*
+ * Device specific clocks
+ */
+#define DM355_REF_FREQ          24000000        /* 24 or 36 MHz */
+
+static struct pll_data pll1_data = {
+        .num       = 1,
+        .phys_base = DAVINCI_PLL1_BASE,
+        .flags     = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
+};
+
+static struct pll_data pll2_data = {
+        .num       = 2,
+        .phys_base = DAVINCI_PLL2_BASE,
+        .flags     = PLL_HAS_PREDIV,
+};
+
+static struct clk ref_clk = {
+        .name = "ref_clk",
+        /* FIXME -- crystal rate is board-specific */
+        .rate = DM355_REF_FREQ,
+};
+
+static struct clk pll1_clk = {
+        .name = "pll1",
+        .parent = &ref_clk,
+        .flags = CLK_PLL,
+        .pll_data = &pll1_data,
+};
+
+static struct clk pll1_aux_clk = {
+        .name = "pll1_aux_clk",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL | PRE_PLL,
+};
+
+static struct clk pll1_sysclk1 = {
+        .name = "pll1_sysclk1",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV1,
+};
+
+static struct clk pll1_sysclk2 = {
+        .name = "pll1_sysclk2",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV2,
+};
+
+static struct clk pll1_sysclk3 = {
+        .name = "pll1_sysclk3",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV3,
+};
+
+static struct clk pll1_sysclk4 = {
+        .name = "pll1_sysclk4",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV4,
+};
+
+static struct clk pll1_sysclkbp = {
+        .name = "pll1_sysclkbp",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL | PRE_PLL,
+        .div_reg = BPDIV
+};
+
+static struct clk vpss_dac_clk = {
+        .name = "vpss_dac",
+        .parent = &pll1_sysclk3,
+        .lpsc = DM355_LPSC_VPSS_DAC,
+};
+
+static struct clk vpss_master_clk = {
+        .name = "vpss_master",
+        .parent = &pll1_sysclk4,
+        .lpsc = DAVINCI_LPSC_VPSSMSTR,
+        .flags = CLK_PSC,
+};
+
+static struct clk vpss_slave_clk = {
+        .name = "vpss_slave",
+        .parent = &pll1_sysclk4,
+        .lpsc = DAVINCI_LPSC_VPSSSLV,
+};
+
+
+static struct clk clkout1_clk = {
+        .name = "clkout1",
+        .parent = &pll1_aux_clk,
+        /* NOTE:  clkout1 can be externally gated by muxing GPIO-18 */
+};
+
+static struct clk clkout2_clk = {
+        .name = "clkout2",
+        .parent = &pll1_sysclkbp,
+};
+
+static struct clk pll2_clk = {
+        .name = "pll2",
+        .parent = &ref_clk,
+        .flags = CLK_PLL,
+        .pll_data = &pll2_data,
+};
+
+static struct clk pll2_sysclk1 = {
+        .name = "pll2_sysclk1",
+        .parent = &pll2_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV1,
+};
+
+static struct clk pll2_sysclkbp = {
+        .name = "pll2_sysclkbp",
+        .parent = &pll2_clk,
+        .flags = CLK_PLL | PRE_PLL,
+        .div_reg = BPDIV
+};
+
+static struct clk clkout3_clk = {
+        .name = "clkout3",
+        .parent = &pll2_sysclkbp,
+        /* NOTE:  clkout3 can be externally gated by muxing GPIO-16 */
+};
+
+static struct clk arm_clk = {
+        .name = "arm_clk",
+        .parent = &pll1_sysclk1,
+        .lpsc = DAVINCI_LPSC_ARM,
+        .flags = ALWAYS_ENABLED,
+};
+
+/*
+ * NOT LISTED below, and not touched by Linux
+ *   - in SyncReset state by default
+ *      .lpsc = DAVINCI_LPSC_TPCC,
+ *      .lpsc = DAVINCI_LPSC_TPTC0,
+ *      .lpsc = DAVINCI_LPSC_TPTC1,
+ *      .lpsc = DAVINCI_LPSC_DDR_EMIF, .parent = &sysclk2_clk,
+ *      .lpsc = DAVINCI_LPSC_MEMSTICK,
+ *   - in Enabled state by default
+ *      .lpsc = DAVINCI_LPSC_SYSTEM_SUBSYS,
+ *      .lpsc = DAVINCI_LPSC_SCR2,      // "bus"
+ *      .lpsc = DAVINCI_LPSC_SCR3,      // "bus"
+ *      .lpsc = DAVINCI_LPSC_SCR4,      // "bus"
+ *      .lpsc = DAVINCI_LPSC_CROSSBAR,  // "emulation"
+ *      .lpsc = DAVINCI_LPSC_CFG27,     // "test"
+ *      .lpsc = DAVINCI_LPSC_CFG3,      // "test"
+ *      .lpsc = DAVINCI_LPSC_CFG5,      // "test"
+ */
+
+static struct clk mjcp_clk = {
+        .name = "mjcp",
+        .parent = &pll1_sysclk1,
+        .lpsc = DAVINCI_LPSC_IMCOP,
+};
+
+static struct clk uart0_clk = {
+        .name = "uart0",
+        .parent = &pll1_aux_clk,
+        .lpsc = DAVINCI_LPSC_UART0,
+};
+
+static struct clk uart1_clk = {
+        .name = "uart1",
+        .parent = &pll1_aux_clk,
+        .lpsc = DAVINCI_LPSC_UART1,
+};
+
+static struct clk uart2_clk = {
+        .name = "uart2",
+        .parent = &pll1_sysclk2,
+        .lpsc = DAVINCI_LPSC_UART2,
+};
+
+static struct clk i2c_clk = {
+        .name = "i2c",
+        .parent = &pll1_aux_clk,
+        .lpsc = DAVINCI_LPSC_I2C,
+};
+
+static struct clk asp0_clk = {
+        .name = "asp0",
+        .parent = &pll1_sysclk2,
+        .lpsc = DAVINCI_LPSC_McBSP,
+};
+
+static struct clk asp1_clk = {
+        .name = "asp1",
+        .parent = &pll1_sysclk2,
+        .lpsc = DM355_LPSC_McBSP1,
+};
+
+static struct clk mmcsd0_clk = {
+        .name = "mmcsd0",
+        .parent = &pll1_sysclk2,
+        .lpsc = DAVINCI_LPSC_MMC_SD,
+};
+
+static struct clk mmcsd1_clk = {
+        .name = "mmcsd1",
+        .parent = &pll1_sysclk2,
+        .lpsc = DM355_LPSC_MMC_SD1,
+};
+
+static struct clk spi0_clk = {
+        .name = "spi0",
+        .parent = &pll1_sysclk2,
+        .lpsc = DAVINCI_LPSC_SPI,
+};
+
+static struct clk spi1_clk = {
+        .name = "spi1",
+        .parent = &pll1_sysclk2,
+        .lpsc = DM355_LPSC_SPI1,
+};
+
+static struct clk spi2_clk = {
+        .name = "spi2",
+        .parent = &pll1_sysclk2,
+        .lpsc = DM355_LPSC_SPI2,
+};
+
+static struct clk gpio_clk = {
+        .name = "gpio",
+        .parent = &pll1_sysclk2,
+        .lpsc = DAVINCI_LPSC_GPIO,
+};
+
+static struct clk aemif_clk = {
+        .name = "aemif",
+        .parent = &pll1_sysclk2,
+        .lpsc = DAVINCI_LPSC_AEMIF,
+};
+
+static struct clk pwm0_clk = {
+        .name = "pwm0",
+        .parent = &pll1_aux_clk,
+        .lpsc = DAVINCI_LPSC_PWM0,
+};
+
+static struct clk pwm1_clk = {
+        .name = "pwm1",
+        .parent = &pll1_aux_clk,
+        .lpsc = DAVINCI_LPSC_PWM1,
+};
+
+static struct clk pwm2_clk = {
+        .name = "pwm2",
+        .parent = &pll1_aux_clk,
+        .lpsc = DAVINCI_LPSC_PWM2,
+};
+
+static struct clk pwm3_clk = {
+        .name = "pwm3",
+        .parent = &pll1_aux_clk,
+        .lpsc = DM355_LPSC_PWM3,
+};
+
+static struct clk timer0_clk = {
+        .name = "timer0",
+        .parent = &pll1_aux_clk,
+        .lpsc = DAVINCI_LPSC_TIMER0,
+};
+
+static struct clk timer1_clk = {
+        .name = "timer1",
+        .parent = &pll1_aux_clk,
+        .lpsc = DAVINCI_LPSC_TIMER1,
+};
+
+static struct clk timer2_clk = {
+        .name = "timer2",
+        .parent = &pll1_aux_clk,
+        .lpsc = DAVINCI_LPSC_TIMER2,
+        .usecount = 1,              /* REVISIT: why cant' this be disabled? */
+};
+
+static struct clk timer3_clk = {
+        .name = "timer3",
+        .parent = &pll1_aux_clk,
+        .lpsc = DM355_LPSC_TIMER3,
+};
+
+static struct clk rto_clk = {
+        .name = "rto",
+        .parent = &pll1_aux_clk,
+        .lpsc = DM355_LPSC_RTO,
+};
+
+static struct clk usb_clk = {
+        .name = "usb",
+        .parent = &pll1_sysclk2,
+        .lpsc = DAVINCI_LPSC_USB,
+};
+
+static struct davinci_clk dm355_clks[] = {
+        CLK(NULL, "ref", &ref_clk),
+        CLK(NULL, "pll1", &pll1_clk),
+        CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
+        CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
+        CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
+        CLK(NULL, "pll1_sysclk4", &pll1_sysclk4),
+        CLK(NULL, "pll1_aux", &pll1_aux_clk),
+        CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
+        CLK(NULL, "vpss_dac", &vpss_dac_clk),
+        CLK(NULL, "vpss_master", &vpss_master_clk),
+        CLK(NULL, "vpss_slave", &vpss_slave_clk),
+        CLK(NULL, "clkout1", &clkout1_clk),
+        CLK(NULL, "clkout2", &clkout2_clk),
+        CLK(NULL, "pll2", &pll2_clk),
+        CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
+        CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
+        CLK(NULL, "clkout3", &clkout3_clk),
+        CLK(NULL, "arm", &arm_clk),
+        CLK(NULL, "mjcp", &mjcp_clk),
+        CLK(NULL, "uart0", &uart0_clk),
+        CLK(NULL, "uart1", &uart1_clk),
+        CLK(NULL, "uart2", &uart2_clk),
+        CLK("i2c_davinci.1", NULL, &i2c_clk),
+        CLK("soc-audio.0", NULL, &asp0_clk),
+        CLK("soc-audio.1", NULL, &asp1_clk),
+        CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
+        CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
+        CLK(NULL, "spi0", &spi0_clk),
+        CLK(NULL, "spi1", &spi1_clk),
+        CLK(NULL, "spi2", &spi2_clk),
+        CLK(NULL, "gpio", &gpio_clk),
+        CLK(NULL, "aemif", &aemif_clk),
+        CLK(NULL, "pwm0", &pwm0_clk),
+        CLK(NULL, "pwm1", &pwm1_clk),
+        CLK(NULL, "pwm2", &pwm2_clk),
+        CLK(NULL, "pwm3", &pwm3_clk),
+        CLK(NULL, "timer0", &timer0_clk),
+        CLK(NULL, "timer1", &timer1_clk),
+        CLK("watchdog", NULL, &timer2_clk),
+        CLK(NULL, "timer3", &timer3_clk),
+        CLK(NULL, "rto", &rto_clk),
+        CLK(NULL, "usb", &usb_clk),
+        CLK(NULL, NULL, NULL),
+};
+
+/*----------------------------------------------------------------------*/
+
+static u64 dm355_spi0_dma_mask = DMA_BIT_MASK(32);
+
+static struct resource dm355_spi0_resources[] = {
+        {
+                .start = 0x01c66000,
+                .end   = 0x01c667ff,
+                .flags = IORESOURCE_MEM,
+        },
+        {
+                .start = IRQ_DM355_SPINT0_1,
+                .flags = IORESOURCE_IRQ,
+        },
+        /* Not yet used, so not included:
+         * IORESOURCE_IRQ:
+         *  - IRQ_DM355_SPINT0_0
+         * IORESOURCE_DMA:
+         *  - DAVINCI_DMA_SPI_SPIX
+         *  - DAVINCI_DMA_SPI_SPIR
+         */
+};
+
+static struct platform_device dm355_spi0_device = {
+        .name = "spi_davinci",
+        .id = 0,
+        .dev = {
+                .dma_mask = &dm355_spi0_dma_mask,
+                .coherent_dma_mask = DMA_BIT_MASK(32),
+        },
+        .num_resources = ARRAY_SIZE(dm355_spi0_resources),
+        .resource = dm355_spi0_resources,
+};
+
+void __init dm355_init_spi0(unsigned chipselect_mask,
+                struct spi_board_info *info, unsigned len)
+{
+        /* for now, assume we need MISO */
+        davinci_cfg_reg(DM355_SPI0_SDI);
+
+        /* not all slaves will be wired up */
+        if (chipselect_mask & BIT(0))
+                davinci_cfg_reg(DM355_SPI0_SDENA0);
+        if (chipselect_mask & BIT(1))
+                davinci_cfg_reg(DM355_SPI0_SDENA1);
+
+        spi_register_board_info(info, len);
+
+        platform_device_register(&dm355_spi0_device);
+}
+
+/*----------------------------------------------------------------------*/
+
+#define PINMUX0         0x00
+#define PINMUX1         0x04
+#define PINMUX2         0x08
+#define PINMUX3         0x0c
+#define PINMUX4         0x10
+#define INTMUX          0x18
+#define EVTMUX          0x1c
+
+/*
+ * Device specific mux setup
+ *
+ *      soc     description     mux  mode   mode  mux    dbg
+ *                              reg  offset mask  mode
+ */
+static const struct mux_config dm355_pins[] = {
+#ifdef CONFIG_DAVINCI_MUX
+MUX_CFG(DM355,  MMCSD0,         4,   2,     1,    0,     false)
+
+MUX_CFG(DM355,  SD1_CLK,        3,   6,     1,    1,     false)
+MUX_CFG(DM355,  SD1_CMD,        3,   7,     1,    1,     false)
+MUX_CFG(DM355,  SD1_DATA3,      3,   8,     3,    1,     false)
+MUX_CFG(DM355,  SD1_DATA2,      3,   10,    3,    1,     false)
+MUX_CFG(DM355,  SD1_DATA1,      3,   12,    3,    1,     false)
+MUX_CFG(DM355,  SD1_DATA0,      3,   14,    3,    1,     false)
+
+MUX_CFG(DM355,  I2C_SDA,        3,   19,    1,    1,     false)
+MUX_CFG(DM355,  I2C_SCL,        3,   20,    1,    1,     false)
+
+MUX_CFG(DM355,  MCBSP0_BDX,     3,   0,     1,    1,     false)
+MUX_CFG(DM355,  MCBSP0_X,       3,   1,     1,    1,     false)
+MUX_CFG(DM355,  MCBSP0_BFSX,    3,   2,     1,    1,     false)
+MUX_CFG(DM355,  MCBSP0_BDR,     3,   3,     1,    1,     false)
+MUX_CFG(DM355,  MCBSP0_R,       3,   4,     1,    1,     false)
+MUX_CFG(DM355,  MCBSP0_BFSR,    3,   5,     1,    1,     false)
+
+MUX_CFG(DM355,  SPI0_SDI,       4,   1,     1,    0,     false)
+MUX_CFG(DM355,  SPI0_SDENA0,    4,   0,     1,    0,     false)
+MUX_CFG(DM355,  SPI0_SDENA1,    3,   28,    1,    1,     false)
+
+INT_CFG(DM355,  INT_EDMA_CC,          2,    1,    1,     false)
+INT_CFG(DM355,  INT_EDMA_TC0_ERR,     3,    1,    1,     false)
+INT_CFG(DM355,  INT_EDMA_TC1_ERR,     4,    1,    1,     false)
+
+EVT_CFG(DM355,  EVT8_ASP1_TX,         0,    1,    0,     false)
+EVT_CFG(DM355,  EVT9_ASP1_RX,         1,    1,    0,     false)
+EVT_CFG(DM355,  EVT26_MMC0_RX,        2,    1,    0,     false)
+#endif
+};
+
+static u8 dm355_default_priorities[DAVINCI_N_AINTC_IRQ] = {
+        [IRQ_DM355_CCDC_VDINT0]         = 2,
+        [IRQ_DM355_CCDC_VDINT1]         = 6,
+        [IRQ_DM355_CCDC_VDINT2]         = 6,
+        [IRQ_DM355_IPIPE_HST]           = 6,
+        [IRQ_DM355_H3AINT]              = 6,
+        [IRQ_DM355_IPIPE_SDR]           = 6,
+        [IRQ_DM355_IPIPEIFINT]          = 6,
+        [IRQ_DM355_OSDINT]              = 7,
+        [IRQ_DM355_VENCINT]             = 6,
+        [IRQ_ASQINT]                    = 6,
+        [IRQ_IMXINT]                    = 6,
+        [IRQ_USBINT]                    = 4,
+        [IRQ_DM355_RTOINT]              = 4,
+        [IRQ_DM355_UARTINT2]            = 7,
+        [IRQ_DM355_TINT6]               = 7,
+        [IRQ_CCINT0]                    = 5,    /* dma */
+        [IRQ_CCERRINT]                  = 5,    /* dma */
+        [IRQ_TCERRINT0]                 = 5,    /* dma */
+        [IRQ_TCERRINT]                  = 5,    /* dma */
+        [IRQ_DM355_SPINT2_1]            = 7,
+        [IRQ_DM355_TINT7]               = 4,
+        [IRQ_DM355_SDIOINT0]            = 7,
+        [IRQ_MBXINT]                    = 7,
+        [IRQ_MBRINT]                    = 7,
+        [IRQ_MMCINT]                    = 7,
+        [IRQ_DM355_MMCINT1]             = 7,
+        [IRQ_DM355_PWMINT3]             = 7,
+        [IRQ_DDRINT]                    = 7,
+        [IRQ_AEMIFINT]                  = 7,
+        [IRQ_DM355_SDIOINT1]            = 4,
+        [IRQ_TINT0_TINT12]              = 2,    /* clockevent */
+        [IRQ_TINT0_TINT34]              = 2,    /* clocksource */
+        [IRQ_TINT1_TINT12]              = 7,    /* DSP timer */
+        [IRQ_TINT1_TINT34]              = 7,    /* system tick */
+        [IRQ_PWMINT0]                   = 7,
+        [IRQ_PWMINT1]                   = 7,
+        [IRQ_PWMINT2]                   = 7,
+        [IRQ_I2C]                       = 3,
+        [IRQ_UARTINT0]                  = 3,
+        [IRQ_UARTINT1]                  = 3,
+        [IRQ_DM355_SPINT0_0]            = 3,
+        [IRQ_DM355_SPINT0_1]            = 3,
+        [IRQ_DM355_GPIO0]               = 3,
+        [IRQ_DM355_GPIO1]               = 7,
+        [IRQ_DM355_GPIO2]               = 4,
+        [IRQ_DM355_GPIO3]               = 4,
+        [IRQ_DM355_GPIO4]               = 7,
+        [IRQ_DM355_GPIO5]               = 7,
+        [IRQ_DM355_GPIO6]               = 7,
+        [IRQ_DM355_GPIO7]               = 7,
+        [IRQ_DM355_GPIO8]               = 7,
+        [IRQ_DM355_GPIO9]               = 7,
+        [IRQ_DM355_GPIOBNK0]            = 7,
+        [IRQ_DM355_GPIOBNK1]            = 7,
+        [IRQ_DM355_GPIOBNK2]            = 7,
+        [IRQ_DM355_GPIOBNK3]            = 7,
+        [IRQ_DM355_GPIOBNK4]            = 7,
+        [IRQ_DM355_GPIOBNK5]            = 7,
+        [IRQ_DM355_GPIOBNK6]            = 7,
+        [IRQ_COMMTX]                    = 7,
+        [IRQ_COMMRX]                    = 7,
+        [IRQ_EMUINT]                    = 7,
+};
+
+/*----------------------------------------------------------------------*/
+
+static const s8 dma_chan_dm355_no_event[] = {
+        12, 13, 24, 56, 57,
+        58, 59, 60, 61, 62,
+        63,
+        -1
+};
+
+static struct edma_soc_info dm355_edma_info = {
+        .n_channel      = 64,
+        .n_region       = 4,
+        .n_slot         = 128,
+        .n_tc           = 2,
+        .noevent        = dma_chan_dm355_no_event,
+};
+
+static struct resource edma_resources[] = {
+        {
+                .name   = "edma_cc",
+                .start  = 0x01c00000,
+                .end    = 0x01c00000 + SZ_64K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .name   = "edma_tc0",
+                .start  = 0x01c10000,
+                .end    = 0x01c10000 + SZ_1K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .name   = "edma_tc1",
+                .start  = 0x01c10400,
+                .end    = 0x01c10400 + SZ_1K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = IRQ_CCINT0,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_CCERRINT,
+                .flags  = IORESOURCE_IRQ,
+        },
+        /* not using (or muxing) TC*_ERR */
+};
+
+static struct platform_device dm355_edma_device = {
+        .name                   = "edma",
+        .id                     = -1,
+        .dev.platform_data      = &dm355_edma_info,
+        .num_resources          = ARRAY_SIZE(edma_resources),
+        .resource               = edma_resources,
+};
+
+/*----------------------------------------------------------------------*/
+
+static struct map_desc dm355_io_desc[] = {
+        {
+                .virtual        = IO_VIRT,
+                .pfn            = __phys_to_pfn(IO_PHYS),
+                .length         = IO_SIZE,
+                .type           = MT_DEVICE
+        },
+        {
+                .virtual        = SRAM_VIRT,
+                .pfn            = __phys_to_pfn(0x00010000),
+                .length         = SZ_32K,
+                /* MT_MEMORY_NONCACHED requires supersection alignment */
+                .type           = MT_DEVICE,
+        },
+};
+
+/* Contents of JTAG ID register used to identify exact cpu type */
+static struct davinci_id dm355_ids[] = {
+        {
+                .variant        = 0x0,
+                .part_no        = 0xb73b,
+                .manufacturer   = 0x00f,
+                .cpu_id         = DAVINCI_CPU_ID_DM355,
+                .name           = "dm355",
+        },
+};
+
+static void __iomem *dm355_psc_bases[] = {
+        IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE),
+};
+
+/*
+ * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
+ * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
+ * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
+ * T1_TOP: Timer 1, top   :  <unused>
+ */
+struct davinci_timer_info dm355_timer_info = {
+        .timers         = davinci_timer_instance,
+        .clockevent_id  = T0_BOT,
+        .clocksource_id = T0_TOP,
+};
+
+static struct plat_serial8250_port dm355_serial_platform_data[] = {
+        {
+                .mapbase        = DAVINCI_UART0_BASE,
+                .irq            = IRQ_UARTINT0,
+                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+                                  UPF_IOREMAP,
+                .iotype         = UPIO_MEM,
+                .regshift       = 2,
+        },
+        {
+                .mapbase        = DAVINCI_UART1_BASE,
+                .irq            = IRQ_UARTINT1,
+                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+                                  UPF_IOREMAP,
+                .iotype         = UPIO_MEM,
+                .regshift       = 2,
+        },
+        {
+                .mapbase        = DM355_UART2_BASE,
+                .irq            = IRQ_DM355_UARTINT2,
+                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+                                  UPF_IOREMAP,
+                .iotype         = UPIO_MEM,
+                .regshift       = 2,
+        },
+        {
+                .flags          = 0
+        },
+};
+
+static struct platform_device dm355_serial_device = {
+        .name                   = "serial8250",
+        .id                     = PLAT8250_DEV_PLATFORM,
+        .dev                    = {
+                .platform_data  = dm355_serial_platform_data,
+        },
+};
+
+static struct davinci_soc_info davinci_soc_info_dm355 = {
+        .io_desc                = dm355_io_desc,
+        .io_desc_num            = ARRAY_SIZE(dm355_io_desc),
+        .jtag_id_base           = IO_ADDRESS(0x01c40028),
+        .ids                    = dm355_ids,
+        .ids_num                = ARRAY_SIZE(dm355_ids),
+        .cpu_clks               = dm355_clks,
+        .psc_bases              = dm355_psc_bases,
+        .psc_bases_num          = ARRAY_SIZE(dm355_psc_bases),
+        .pinmux_base            = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE),
+        .pinmux_pins            = dm355_pins,
+        .pinmux_pins_num        = ARRAY_SIZE(dm355_pins),
+        .intc_base              = IO_ADDRESS(DAVINCI_ARM_INTC_BASE),
+        .intc_type              = DAVINCI_INTC_TYPE_AINTC,
+        .intc_irq_prios         = dm355_default_priorities,
+        .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
+        .timer_info             = &dm355_timer_info,
+        .wdt_base               = IO_ADDRESS(DAVINCI_WDOG_BASE),
+        .gpio_base              = IO_ADDRESS(DAVINCI_GPIO_BASE),
+        .gpio_num               = 104,
+        .gpio_irq               = IRQ_DM355_GPIOBNK0,
+        .serial_dev             = &dm355_serial_device,
+        .sram_dma               = 0x00010000,
+        .sram_len               = SZ_32K,
+};
+
+void __init dm355_init(void)
+{
+        davinci_common_init(&davinci_soc_info_dm355);
+}
+
+static int __init dm355_init_devices(void)
+{
+        if (!cpu_is_davinci_dm355())
+                return 0;
+
+        davinci_cfg_reg(DM355_INT_EDMA_CC);
+        platform_device_register(&dm355_edma_device);
+        return 0;
+}
+postcore_initcall(dm355_init_devices);
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index d428ef192ea..fb5449b3c97 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -11,7 +11,11 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/clk.h>
+#include <linux/serial_8250.h>
 #include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <asm/mach/map.h>
 
 #include <mach/dm644x.h>
 #include <mach/clock.h>
@@ -20,6 +24,9 @@
 #include <mach/irqs.h>
 #include <mach/psc.h>
 #include <mach/mux.h>
+#include <mach/time.h>
+#include <mach/serial.h>
+#include <mach/common.h>
 
 #include "clock.h"
 #include "mux.h"
@@ -312,7 +319,14 @@ struct davinci_clk dm644x_clks[] = {
         CLK(NULL, NULL, NULL),
 };
 
-#if defined(CONFIG_TI_DAVINCI_EMAC) || defined(CONFIG_TI_DAVINCI_EMAC_MODULE)
+static struct emac_platform_data dm644x_emac_pdata = {
+        .ctrl_reg_offset        = DM644X_EMAC_CNTRL_OFFSET,
+        .ctrl_mod_reg_offset    = DM644X_EMAC_CNTRL_MOD_OFFSET,
+        .ctrl_ram_offset        = DM644X_EMAC_CNTRL_RAM_OFFSET,
+        .mdio_reg_offset        = DM644X_EMAC_MDIO_OFFSET,
+        .ctrl_ram_size          = DM644X_EMAC_CNTRL_RAM_SIZE,
+        .version                = EMAC_VERSION_1,
+};
 
 static struct resource dm644x_emac_resources[] = {
         {
@@ -330,11 +344,15 @@ static struct resource dm644x_emac_resources[] = {
 static struct platform_device dm644x_emac_device = {
        .name            = "davinci_emac",
        .id              = 1,
+       .dev = {
+               .platform_data   = &dm644x_emac_pdata,
+       },
        .num_resources   = ARRAY_SIZE(dm644x_emac_resources),
        .resource        = dm644x_emac_resources,
 };
 
-#endif
+#define PINMUX0         0x00
+#define PINMUX1         0x04
 
 /*
  * Device specific mux setup
@@ -343,6 +361,7 @@ static struct platform_device dm644x_emac_device = {
  *                              reg  offset mask  mode
  */
 static const struct mux_config dm644x_pins[] = {
+#ifdef CONFIG_DAVINCI_MUX
 MUX_CFG(DM644X, HDIREN,         0,   16,    1,    1,     true)
 MUX_CFG(DM644X, ATAEN,          0,   17,    1,    1,     true)
 MUX_CFG(DM644X, ATAEN_DISABLE,  0,   17,    1,    0,     true)
@@ -383,8 +402,76 @@ MUX_CFG(DM644X, RGB666,		0,   22,    1,	  1,	 true)
 
 MUX_CFG(DM644X, LOEEN,          0,   24,    1,    1,     true)
 MUX_CFG(DM644X, LFLDEN,         0,   25,    1,    1,     false)
+#endif
 };
 
+/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
+static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
+        [IRQ_VDINT0]            = 2,
+        [IRQ_VDINT1]            = 6,
+        [IRQ_VDINT2]            = 6,
+        [IRQ_HISTINT]           = 6,
+        [IRQ_H3AINT]            = 6,
+        [IRQ_PRVUINT]           = 6,
+        [IRQ_RSZINT]            = 6,
+        [7]                     = 7,
+        [IRQ_VENCINT]           = 6,
+        [IRQ_ASQINT]            = 6,
+        [IRQ_IMXINT]            = 6,
+        [IRQ_VLCDINT]           = 6,
+        [IRQ_USBINT]            = 4,
+        [IRQ_EMACINT]           = 4,
+        [14]                    = 7,
+        [15]                    = 7,
+        [IRQ_CCINT0]            = 5,    /* dma */
+        [IRQ_CCERRINT]          = 5,    /* dma */
+        [IRQ_TCERRINT0]         = 5,    /* dma */
+        [IRQ_TCERRINT]          = 5,    /* dma */
+        [IRQ_PSCIN]             = 7,
+        [21]                    = 7,
+        [IRQ_IDE]               = 4,
+        [23]                    = 7,
+        [IRQ_MBXINT]            = 7,
+        [IRQ_MBRINT]            = 7,
+        [IRQ_MMCINT]            = 7,
+        [IRQ_SDIOINT]           = 7,
+        [28]                    = 7,
+        [IRQ_DDRINT]            = 7,
+        [IRQ_AEMIFINT]          = 7,
+        [IRQ_VLQINT]            = 4,
+        [IRQ_TINT0_TINT12]      = 2,    /* clockevent */
+        [IRQ_TINT0_TINT34]      = 2,    /* clocksource */
+        [IRQ_TINT1_TINT12]      = 7,    /* DSP timer */
+        [IRQ_TINT1_TINT34]      = 7,    /* system tick */
+        [IRQ_PWMINT0]           = 7,
+        [IRQ_PWMINT1]           = 7,
+        [IRQ_PWMINT2]           = 7,
+        [IRQ_I2C]               = 3,
+        [IRQ_UARTINT0]          = 3,
+        [IRQ_UARTINT1]          = 3,
+        [IRQ_UARTINT2]          = 3,
+        [IRQ_SPINT0]            = 3,
+        [IRQ_SPINT1]            = 3,
+        [45]                    = 7,
+        [IRQ_DSP2ARM0]          = 4,
+        [IRQ_DSP2ARM1]          = 4,
+        [IRQ_GPIO0]             = 7,
+        [IRQ_GPIO1]             = 7,
+        [IRQ_GPIO2]             = 7,
+        [IRQ_GPIO3]             = 7,
+        [IRQ_GPIO4]             = 7,
+        [IRQ_GPIO5]             = 7,
+        [IRQ_GPIO6]             = 7,
+        [IRQ_GPIO7]             = 7,
+        [IRQ_GPIOBNK0]          = 7,
+        [IRQ_GPIOBNK1]          = 7,
+        [IRQ_GPIOBNK2]          = 7,
+        [IRQ_GPIOBNK3]          = 7,
+        [IRQ_GPIOBNK4]          = 7,
+        [IRQ_COMMTX]            = 7,
+        [IRQ_COMMRX]            = 7,
+        [IRQ_EMUINT]            = 7,
+};
 
 /*----------------------------------------------------------------------*/
 
@@ -444,10 +531,118 @@ static struct platform_device dm644x_edma_device = {
 };
 
 /*----------------------------------------------------------------------*/
+
+static struct map_desc dm644x_io_desc[] = {
+        {
+                .virtual        = IO_VIRT,
+                .pfn            = __phys_to_pfn(IO_PHYS),
+                .length         = IO_SIZE,
+                .type           = MT_DEVICE
+        },
+        {
+                .virtual        = SRAM_VIRT,
+                .pfn            = __phys_to_pfn(0x00008000),
+                .length         = SZ_16K,
+                /* MT_MEMORY_NONCACHED requires supersection alignment */
+                .type           = MT_DEVICE,
+        },
+};
+
+/* Contents of JTAG ID register used to identify exact cpu type */
+static struct davinci_id dm644x_ids[] = {
+        {
+                .variant        = 0x0,
+                .part_no        = 0xb700,
+                .manufacturer   = 0x017,
+                .cpu_id         = DAVINCI_CPU_ID_DM6446,
+                .name           = "dm6446",
+        },
+};
+
+static void __iomem *dm644x_psc_bases[] = {
+        IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE),
+};
+
+/*
+ * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
+ * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
+ * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
+ * T1_TOP: Timer 1, top   :  <unused>
+ */
+struct davinci_timer_info dm644x_timer_info = {
+        .timers         = davinci_timer_instance,
+        .clockevent_id  = T0_BOT,
+        .clocksource_id = T0_TOP,
+};
+
+static struct plat_serial8250_port dm644x_serial_platform_data[] = {
+        {
+                .mapbase        = DAVINCI_UART0_BASE,
+                .irq            = IRQ_UARTINT0,
+                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+                                  UPF_IOREMAP,
+                .iotype         = UPIO_MEM,
+                .regshift       = 2,
+        },
+        {
+                .mapbase        = DAVINCI_UART1_BASE,
+                .irq            = IRQ_UARTINT1,
+                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+                                  UPF_IOREMAP,
+                .iotype         = UPIO_MEM,
+                .regshift       = 2,
+        },
+        {
+                .mapbase        = DAVINCI_UART2_BASE,
+                .irq            = IRQ_UARTINT2,
+                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+                                  UPF_IOREMAP,
+                .iotype         = UPIO_MEM,
+                .regshift       = 2,
+        },
+        {
+                .flags          = 0
+        },
+};
+
+static struct platform_device dm644x_serial_device = {
+        .name                   = "serial8250",
+        .id                     = PLAT8250_DEV_PLATFORM,
+        .dev                    = {
+                .platform_data  = dm644x_serial_platform_data,
+        },
+};
+
+static struct davinci_soc_info davinci_soc_info_dm644x = {
+        .io_desc                = dm644x_io_desc,
+        .io_desc_num            = ARRAY_SIZE(dm644x_io_desc),
+        .jtag_id_base           = IO_ADDRESS(0x01c40028),
+        .ids                    = dm644x_ids,
+        .ids_num                = ARRAY_SIZE(dm644x_ids),
+        .cpu_clks               = dm644x_clks,
+        .psc_bases              = dm644x_psc_bases,
+        .psc_bases_num          = ARRAY_SIZE(dm644x_psc_bases),
+        .pinmux_base            = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE),
+        .pinmux_pins            = dm644x_pins,
+        .pinmux_pins_num        = ARRAY_SIZE(dm644x_pins),
+        .intc_base              = IO_ADDRESS(DAVINCI_ARM_INTC_BASE),
+        .intc_type              = DAVINCI_INTC_TYPE_AINTC,
+        .intc_irq_prios         = dm644x_default_priorities,
+        .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
+        .timer_info             = &dm644x_timer_info,
+        .wdt_base               = IO_ADDRESS(DAVINCI_WDOG_BASE),
+        .gpio_base              = IO_ADDRESS(DAVINCI_GPIO_BASE),
+        .gpio_num               = 71,
+        .gpio_irq               = IRQ_GPIOBNK0,
+        .serial_dev             = &dm644x_serial_device,
+        .emac_pdata             = &dm644x_emac_pdata,
+        .sram_dma               = 0x00008000,
+        .sram_len               = SZ_16K,
+};
+
 void __init dm644x_init(void)
 {
-        davinci_clk_init(dm644x_clks);
-        davinci_mux_register(dm644x_pins, ARRAY_SIZE(dm644x_pins));
+        davinci_common_init(&davinci_soc_info_dm644x);
 }
 
 static int __init dm644x_init_devices(void)
@@ -456,6 +651,7 @@ static int __init dm644x_init_devices(void)
                 return 0;
 
         platform_device_register(&dm644x_edma_device);
+        platform_device_register(&dm644x_emac_device);
         return 0;
 }
 postcore_initcall(dm644x_init_devices);
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
new file mode 100644
index 00000000000..334f0711e0f
--- /dev/null
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -0,0 +1,636 @@
+/*
+ * TI DaVinci DM644x chip specific setup
+ *
+ * Author: Kevin Hilman, Deep Root Systems, LLC
+ *
+ * 2007 (c) Deep Root Systems, LLC. 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.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/serial_8250.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/dm646x.h>
+#include <mach/clock.h>
+#include <mach/cputype.h>
+#include <mach/edma.h>
+#include <mach/irqs.h>
+#include <mach/psc.h>
+#include <mach/mux.h>
+#include <mach/time.h>
+#include <mach/serial.h>
+#include <mach/common.h>
+
+#include "clock.h"
+#include "mux.h"
+
+/*
+ * Device specific clocks
+ */
+#define DM646X_REF_FREQ         27000000
+#define DM646X_AUX_FREQ         24000000
+
+static struct pll_data pll1_data = {
+        .num       = 1,
+        .phys_base = DAVINCI_PLL1_BASE,
+};
+
+static struct pll_data pll2_data = {
+        .num       = 2,
+        .phys_base = DAVINCI_PLL2_BASE,
+};
+
+static struct clk ref_clk = {
+        .name = "ref_clk",
+        .rate = DM646X_REF_FREQ,
+};
+
+static struct clk aux_clkin = {
+        .name = "aux_clkin",
+        .rate = DM646X_AUX_FREQ,
+};
+
+static struct clk pll1_clk = {
+        .name = "pll1",
+        .parent = &ref_clk,
+        .pll_data = &pll1_data,
+        .flags = CLK_PLL,
+};
+
+static struct clk pll1_sysclk1 = {
+        .name = "pll1_sysclk1",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV1,
+};
+
+static struct clk pll1_sysclk2 = {
+        .name = "pll1_sysclk2",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV2,
+};
+
+static struct clk pll1_sysclk3 = {
+        .name = "pll1_sysclk3",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV3,
+};
+
+static struct clk pll1_sysclk4 = {
+        .name = "pll1_sysclk4",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV4,
+};
+
+static struct clk pll1_sysclk5 = {
+        .name = "pll1_sysclk5",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV5,
+};
+
+static struct clk pll1_sysclk6 = {
+        .name = "pll1_sysclk6",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV6,
+};
+
+static struct clk pll1_sysclk8 = {
+        .name = "pll1_sysclk8",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV8,
+};
+
+static struct clk pll1_sysclk9 = {
+        .name = "pll1_sysclk9",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV9,
+};
+
+static struct clk pll1_sysclkbp = {
+        .name = "pll1_sysclkbp",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL | PRE_PLL,
+        .div_reg = BPDIV,
+};
+
+static struct clk pll1_aux_clk = {
+        .name = "pll1_aux_clk",
+        .parent = &pll1_clk,
+        .flags = CLK_PLL | PRE_PLL,
+};
+
+static struct clk pll2_clk = {
+        .name = "pll2_clk",
+        .parent = &ref_clk,
+        .pll_data = &pll2_data,
+        .flags = CLK_PLL,
+};
+
+static struct clk pll2_sysclk1 = {
+        .name = "pll2_sysclk1",
+        .parent = &pll2_clk,
+        .flags = CLK_PLL,
+        .div_reg = PLLDIV1,
+};
+
+static struct clk dsp_clk = {
+        .name = "dsp",
+        .parent = &pll1_sysclk1,
+        .lpsc = DM646X_LPSC_C64X_CPU,
+        .flags = PSC_DSP,
+        .usecount = 1,                  /* REVISIT how to disable? */
+};
+
+static struct clk arm_clk = {
+        .name = "arm",
+        .parent = &pll1_sysclk2,
+        .lpsc = DM646X_LPSC_ARM,
+        .flags = ALWAYS_ENABLED,
+};
+
+static struct clk uart0_clk = {
+        .name = "uart0",
+        .parent = &aux_clkin,
+        .lpsc = DM646X_LPSC_UART0,
+};
+
+static struct clk uart1_clk = {
+        .name = "uart1",
+        .parent = &aux_clkin,
+        .lpsc = DM646X_LPSC_UART1,
+};
+
+static struct clk uart2_clk = {
+        .name = "uart2",
+        .parent = &aux_clkin,
+        .lpsc = DM646X_LPSC_UART2,
+};
+
+static struct clk i2c_clk = {
+        .name = "I2CCLK",
+        .parent = &pll1_sysclk3,
+        .lpsc = DM646X_LPSC_I2C,
+};
+
+static struct clk gpio_clk = {
+        .name = "gpio",
+        .parent = &pll1_sysclk3,
+        .lpsc = DM646X_LPSC_GPIO,
+};
+
+static struct clk aemif_clk = {
+        .name = "aemif",
+        .parent = &pll1_sysclk3,
+        .lpsc = DM646X_LPSC_AEMIF,
+        .flags = ALWAYS_ENABLED,
+};
+
+static struct clk emac_clk = {
+        .name = "emac",
+        .parent = &pll1_sysclk3,
+        .lpsc = DM646X_LPSC_EMAC,
+};
+
+static struct clk pwm0_clk = {
+        .name = "pwm0",
+        .parent = &pll1_sysclk3,
+        .lpsc = DM646X_LPSC_PWM0,
+        .usecount = 1,            /* REVIST: disabling hangs system */
+};
+
+static struct clk pwm1_clk = {
+        .name = "pwm1",
+        .parent = &pll1_sysclk3,
+        .lpsc = DM646X_LPSC_PWM1,
+        .usecount = 1,            /* REVIST: disabling hangs system */
+};
+
+static struct clk timer0_clk = {
+        .name = "timer0",
+        .parent = &pll1_sysclk3,
+        .lpsc = DM646X_LPSC_TIMER0,
+};
+
+static struct clk timer1_clk = {
+        .name = "timer1",
+        .parent = &pll1_sysclk3,
+        .lpsc = DM646X_LPSC_TIMER1,
+};
+
+static struct clk timer2_clk = {
+        .name = "timer2",
+        .parent = &pll1_sysclk3,
+        .flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */
+};
+
+static struct clk vpif0_clk = {
+        .name = "vpif0",
+        .parent = &ref_clk,
+        .lpsc = DM646X_LPSC_VPSSMSTR,
+        .flags = ALWAYS_ENABLED,
+};
+
+static struct clk vpif1_clk = {
+        .name = "vpif1",
+        .parent = &ref_clk,
+        .lpsc = DM646X_LPSC_VPSSSLV,
+        .flags = ALWAYS_ENABLED,
+};
+
+struct davinci_clk dm646x_clks[] = {
+        CLK(NULL, "ref", &ref_clk),
+        CLK(NULL, "aux", &aux_clkin),
+        CLK(NULL, "pll1", &pll1_clk),
+        CLK(NULL, "pll1_sysclk", &pll1_sysclk1),
+        CLK(NULL, "pll1_sysclk", &pll1_sysclk2),
+        CLK(NULL, "pll1_sysclk", &pll1_sysclk3),
+        CLK(NULL, "pll1_sysclk", &pll1_sysclk4),
+        CLK(NULL, "pll1_sysclk", &pll1_sysclk5),
+        CLK(NULL, "pll1_sysclk", &pll1_sysclk6),
+        CLK(NULL, "pll1_sysclk", &pll1_sysclk8),
+        CLK(NULL, "pll1_sysclk", &pll1_sysclk9),
+        CLK(NULL, "pll1_sysclk", &pll1_sysclkbp),
+        CLK(NULL, "pll1_aux", &pll1_aux_clk),
+        CLK(NULL, "pll2", &pll2_clk),
+        CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
+        CLK(NULL, "dsp", &dsp_clk),
+        CLK(NULL, "arm", &arm_clk),
+        CLK(NULL, "uart0", &uart0_clk),
+        CLK(NULL, "uart1", &uart1_clk),
+        CLK(NULL, "uart2", &uart2_clk),
+        CLK("i2c_davinci.1", NULL, &i2c_clk),
+        CLK(NULL, "gpio", &gpio_clk),
+        CLK(NULL, "aemif", &aemif_clk),
+        CLK("davinci_emac.1", NULL, &emac_clk),
+        CLK(NULL, "pwm0", &pwm0_clk),
+        CLK(NULL, "pwm1", &pwm1_clk),
+        CLK(NULL, "timer0", &timer0_clk),
+        CLK(NULL, "timer1", &timer1_clk),
+        CLK("watchdog", NULL, &timer2_clk),
+        CLK(NULL, "vpif0", &vpif0_clk),
+        CLK(NULL, "vpif1", &vpif1_clk),
+        CLK(NULL, NULL, NULL),
+};
+
+static struct emac_platform_data dm646x_emac_pdata = {
+        .ctrl_reg_offset        = DM646X_EMAC_CNTRL_OFFSET,
+        .ctrl_mod_reg_offset    = DM646X_EMAC_CNTRL_MOD_OFFSET,
+        .ctrl_ram_offset        = DM646X_EMAC_CNTRL_RAM_OFFSET,
+        .mdio_reg_offset        = DM646X_EMAC_MDIO_OFFSET,
+        .ctrl_ram_size          = DM646X_EMAC_CNTRL_RAM_SIZE,
+        .version                = EMAC_VERSION_2,
+};
+
+static struct resource dm646x_emac_resources[] = {
+        {
+                .start  = DM646X_EMAC_BASE,
+                .end    = DM646X_EMAC_BASE + 0x47ff,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = IRQ_DM646X_EMACRXTHINT,
+                .end    = IRQ_DM646X_EMACRXTHINT,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_DM646X_EMACRXINT,
+                .end    = IRQ_DM646X_EMACRXINT,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_DM646X_EMACTXINT,
+                .end    = IRQ_DM646X_EMACTXINT,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_DM646X_EMACMISCINT,
+                .end    = IRQ_DM646X_EMACMISCINT,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device dm646x_emac_device = {
+        .name           = "davinci_emac",
+        .id             = 1,
+        .dev = {
+                .platform_data  = &dm646x_emac_pdata,
+        },
+        .num_resources  = ARRAY_SIZE(dm646x_emac_resources),
+        .resource       = dm646x_emac_resources,
+};
+
+#define PINMUX0         0x00
+#define PINMUX1         0x04
+
+/*
+ * Device specific mux setup
+ *
+ *      soc     description     mux  mode   mode  mux    dbg
+ *                              reg  offset mask  mode
+ */
+static const struct mux_config dm646x_pins[] = {
+#ifdef CONFIG_DAVINCI_MUX
+MUX_CFG(DM646X, ATAEN,          0,   0,     1,    1,     true)
+
+MUX_CFG(DM646X, AUDCK1,         0,   29,    1,    0,     false)
+
+MUX_CFG(DM646X, AUDCK0,         0,   28,    1,    0,     false)
+
+MUX_CFG(DM646X, CRGMUX,                 0,   24,    7,    5,     true)
+
+MUX_CFG(DM646X, STSOMUX_DISABLE,        0,   22,    3,    0,     true)
+
+MUX_CFG(DM646X, STSIMUX_DISABLE,        0,   20,    3,    0,     true)
+
+MUX_CFG(DM646X, PTSOMUX_DISABLE,        0,   18,    3,    0,     true)
+
+MUX_CFG(DM646X, PTSIMUX_DISABLE,        0,   16,    3,    0,     true)
+
+MUX_CFG(DM646X, STSOMUX,                0,   22,    3,    2,     true)
+
+MUX_CFG(DM646X, STSIMUX,                0,   20,    3,    2,     true)
+
+MUX_CFG(DM646X, PTSOMUX_PARALLEL,       0,   18,    3,    2,     true)
+
+MUX_CFG(DM646X, PTSIMUX_PARALLEL,       0,   16,    3,    2,     true)
+
+MUX_CFG(DM646X, PTSOMUX_SERIAL,         0,   18,    3,    3,     true)
+
+MUX_CFG(DM646X, PTSIMUX_SERIAL,         0,   16,    3,    3,     true)
+#endif
+};
+
+static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
+        [IRQ_DM646X_VP_VERTINT0]        = 7,
+        [IRQ_DM646X_VP_VERTINT1]        = 7,
+        [IRQ_DM646X_VP_VERTINT2]        = 7,
+        [IRQ_DM646X_VP_VERTINT3]        = 7,
+        [IRQ_DM646X_VP_ERRINT]          = 7,
+        [IRQ_DM646X_RESERVED_1]         = 7,
+        [IRQ_DM646X_RESERVED_2]         = 7,
+        [IRQ_DM646X_WDINT]              = 7,
+        [IRQ_DM646X_CRGENINT0]          = 7,
+        [IRQ_DM646X_CRGENINT1]          = 7,
+        [IRQ_DM646X_TSIFINT0]           = 7,
+        [IRQ_DM646X_TSIFINT1]           = 7,
+        [IRQ_DM646X_VDCEINT]            = 7,
+        [IRQ_DM646X_USBINT]             = 7,
+        [IRQ_DM646X_USBDMAINT]          = 7,
+        [IRQ_DM646X_PCIINT]             = 7,
+        [IRQ_CCINT0]                    = 7,    /* dma */
+        [IRQ_CCERRINT]                  = 7,    /* dma */
+        [IRQ_TCERRINT0]                 = 7,    /* dma */
+        [IRQ_TCERRINT]                  = 7,    /* dma */
+        [IRQ_DM646X_TCERRINT2]          = 7,
+        [IRQ_DM646X_TCERRINT3]          = 7,
+        [IRQ_DM646X_IDE]                = 7,
+        [IRQ_DM646X_HPIINT]             = 7,
+        [IRQ_DM646X_EMACRXTHINT]        = 7,
+        [IRQ_DM646X_EMACRXINT]          = 7,
+        [IRQ_DM646X_EMACTXINT]          = 7,
+        [IRQ_DM646X_EMACMISCINT]        = 7,
+        [IRQ_DM646X_MCASP0TXINT]        = 7,
+        [IRQ_DM646X_MCASP0RXINT]        = 7,
+        [IRQ_AEMIFINT]                  = 7,
+        [IRQ_DM646X_RESERVED_3]         = 7,
+        [IRQ_DM646X_MCASP1TXINT]        = 7,    /* clockevent */
+        [IRQ_TINT0_TINT34]              = 7,    /* clocksource */
+        [IRQ_TINT1_TINT12]              = 7,    /* DSP timer */
+        [IRQ_TINT1_TINT34]              = 7,    /* system tick */
+        [IRQ_PWMINT0]                   = 7,
+        [IRQ_PWMINT1]                   = 7,
+        [IRQ_DM646X_VLQINT]             = 7,
+        [IRQ_I2C]                       = 7,
+        [IRQ_UARTINT0]                  = 7,
+        [IRQ_UARTINT1]                  = 7,
+        [IRQ_DM646X_UARTINT2]           = 7,
+        [IRQ_DM646X_SPINT0]             = 7,
+        [IRQ_DM646X_SPINT1]             = 7,
+        [IRQ_DM646X_DSP2ARMINT]         = 7,
+        [IRQ_DM646X_RESERVED_4]         = 7,
+        [IRQ_DM646X_PSCINT]             = 7,
+        [IRQ_DM646X_GPIO0]              = 7,
+        [IRQ_DM646X_GPIO1]              = 7,
+        [IRQ_DM646X_GPIO2]              = 7,
+        [IRQ_DM646X_GPIO3]              = 7,
+        [IRQ_DM646X_GPIO4]              = 7,
+        [IRQ_DM646X_GPIO5]              = 7,
+        [IRQ_DM646X_GPIO6]              = 7,
+        [IRQ_DM646X_GPIO7]              = 7,
+        [IRQ_DM646X_GPIOBNK0]           = 7,
+        [IRQ_DM646X_GPIOBNK1]           = 7,
+        [IRQ_DM646X_GPIOBNK2]           = 7,
+        [IRQ_DM646X_DDRINT]             = 7,
+        [IRQ_DM646X_AEMIFINT]           = 7,
+        [IRQ_COMMTX]                    = 7,
+        [IRQ_COMMRX]                    = 7,
+        [IRQ_EMUINT]                    = 7,
+};
+
+/*----------------------------------------------------------------------*/
+
+static const s8 dma_chan_dm646x_no_event[] = {
+         0,  1,  2,  3, 13,
+        14, 15, 24, 25, 26,
+        27, 30, 31, 54, 55,
+        56,
+        -1
+};
+
+static struct edma_soc_info dm646x_edma_info = {
+        .n_channel      = 64,
+        .n_region       = 6,    /* 0-1, 4-7 */
+        .n_slot         = 512,
+        .n_tc           = 4,
+        .noevent        = dma_chan_dm646x_no_event,
+};
+
+static struct resource edma_resources[] = {
+        {
+                .name   = "edma_cc",
+                .start  = 0x01c00000,
+                .end    = 0x01c00000 + SZ_64K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .name   = "edma_tc0",
+                .start  = 0x01c10000,
+                .end    = 0x01c10000 + SZ_1K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .name   = "edma_tc1",
+                .start  = 0x01c10400,
+                .end    = 0x01c10400 + SZ_1K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .name   = "edma_tc2",
+                .start  = 0x01c10800,
+                .end    = 0x01c10800 + SZ_1K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .name   = "edma_tc3",
+                .start  = 0x01c10c00,
+                .end    = 0x01c10c00 + SZ_1K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        {
+                .start  = IRQ_CCINT0,
+                .flags  = IORESOURCE_IRQ,
+        },
+        {
+                .start  = IRQ_CCERRINT,
+                .flags  = IORESOURCE_IRQ,
+        },
+        /* not using TC*_ERR */
+};
+
+static struct platform_device dm646x_edma_device = {
+        .name                   = "edma",
+        .id                     = -1,
+        .dev.platform_data      = &dm646x_edma_info,
+        .num_resources          = ARRAY_SIZE(edma_resources),
+        .resource               = edma_resources,
+};
+
+/*----------------------------------------------------------------------*/
+
+static struct map_desc dm646x_io_desc[] = {
+        {
+                .virtual        = IO_VIRT,
+                .pfn            = __phys_to_pfn(IO_PHYS),
+                .length         = IO_SIZE,
+                .type           = MT_DEVICE
+        },
+        {
+                .virtual        = SRAM_VIRT,
+                .pfn            = __phys_to_pfn(0x00010000),
+                .length         = SZ_32K,
+                /* MT_MEMORY_NONCACHED requires supersection alignment */
+                .type           = MT_DEVICE,
+        },
+};
+
+/* Contents of JTAG ID register used to identify exact cpu type */
+static struct davinci_id dm646x_ids[] = {
+        {
+                .variant        = 0x0,
+                .part_no        = 0xb770,
+                .manufacturer   = 0x017,
+                .cpu_id         = DAVINCI_CPU_ID_DM6467,
+                .name           = "dm6467",
+        },
+};
+
+static void __iomem *dm646x_psc_bases[] = {
+        IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE),
+};
+
+/*
+ * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
+ * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
+ * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
+ * T1_TOP: Timer 1, top   :  <unused>
+ */
+struct davinci_timer_info dm646x_timer_info = {
+        .timers         = davinci_timer_instance,
+        .clockevent_id  = T0_BOT,
+        .clocksource_id = T0_TOP,
+};
+
+static struct plat_serial8250_port dm646x_serial_platform_data[] = {
+        {
+                .mapbase        = DAVINCI_UART0_BASE,
+                .irq            = IRQ_UARTINT0,
+                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+                                  UPF_IOREMAP,
+                .iotype         = UPIO_MEM32,
+                .regshift       = 2,
+        },
+        {
+                .mapbase        = DAVINCI_UART1_BASE,
+                .irq            = IRQ_UARTINT1,
+                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+                                  UPF_IOREMAP,
+                .iotype         = UPIO_MEM32,
+                .regshift       = 2,
+        },
+        {
+                .mapbase        = DAVINCI_UART2_BASE,
+                .irq            = IRQ_DM646X_UARTINT2,
+                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
+                                  UPF_IOREMAP,
+                .iotype         = UPIO_MEM32,
+                .regshift       = 2,
+        },
+        {
+                .flags          = 0
+        },
+};
+
+static struct platform_device dm646x_serial_device = {
+        .name                   = "serial8250",
+        .id                     = PLAT8250_DEV_PLATFORM,
+        .dev                    = {
+                .platform_data  = dm646x_serial_platform_data,
+        },
+};
+
+static struct davinci_soc_info davinci_soc_info_dm646x = {
+        .io_desc                = dm646x_io_desc,
+        .io_desc_num            = ARRAY_SIZE(dm646x_io_desc),
+        .jtag_id_base           = IO_ADDRESS(0x01c40028),
+        .ids                    = dm646x_ids,
+        .ids_num                = ARRAY_SIZE(dm646x_ids),
+        .cpu_clks               = dm646x_clks,
+        .psc_bases              = dm646x_psc_bases,
+        .psc_bases_num          = ARRAY_SIZE(dm646x_psc_bases),
+        .pinmux_base            = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE),
+        .pinmux_pins            = dm646x_pins,
+        .pinmux_pins_num        = ARRAY_SIZE(dm646x_pins),
+        .intc_base              = IO_ADDRESS(DAVINCI_ARM_INTC_BASE),
+        .intc_type              = DAVINCI_INTC_TYPE_AINTC,
+        .intc_irq_prios         = dm646x_default_priorities,
+        .intc_irq_num           = DAVINCI_N_AINTC_IRQ,
+        .timer_info             = &dm646x_timer_info,
+        .wdt_base               = IO_ADDRESS(DAVINCI_WDOG_BASE),
+        .gpio_base              = IO_ADDRESS(DAVINCI_GPIO_BASE),
+        .gpio_num               = 43, /* Only 33 usable */
+        .gpio_irq               = IRQ_DM646X_GPIOBNK0,
+        .serial_dev             = &dm646x_serial_device,
+        .emac_pdata             = &dm646x_emac_pdata,
+        .sram_dma               = 0x10010000,
+        .sram_len               = SZ_32K,
+};
+
+void __init dm646x_init(void)
+{
+        davinci_common_init(&davinci_soc_info_dm646x);
+}
+
+static int __init dm646x_init_devices(void)
+{
+        if (!cpu_is_davinci_dm646x())
+                return 0;
+
+        platform_device_register(&dm646x_edma_device);
+        platform_device_register(&dm646x_emac_device);
+        return 0;
+}
+postcore_initcall(dm646x_init_devices);
diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c
index 1aba41c6351..1b6532159c5 100644
--- a/arch/arm/mach-davinci/gpio.c
+++ b/arch/arm/mach-davinci/gpio.c
@@ -23,6 +23,7 @@
 #include <mach/cputype.h>
 #include <mach/irqs.h>
 #include <mach/hardware.h>
+#include <mach/common.h>
 #include <mach/gpio.h>
 
 #include <asm/mach/irq.h>
@@ -37,14 +38,13 @@ struct davinci_gpio {
 
 static struct davinci_gpio chips[DIV_ROUND_UP(DAVINCI_N_GPIO, 32)];
 
-static unsigned __initdata ngpio;
-
 /* create a non-inlined version */
 static struct gpio_controller __iomem * __init gpio2controller(unsigned gpio)
 {
         return __gpio_to_controller(gpio);
 }
 
+static int __init davinci_gpio_irq_setup(void);
 
 /*--------------------------------------------------------------------------*/
 
@@ -115,23 +115,16 @@ davinci_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 static int __init davinci_gpio_setup(void)
 {
         int i, base;
+        unsigned ngpio;
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
 
-        /* The gpio banks conceptually expose a segmented bitmap,
+        /*
+         * The gpio banks conceptually expose a segmented bitmap,
          * and "ngpio" is one more than the largest zero-based
          * bit index that's valid.
          */
-        if (cpu_is_davinci_dm355()) {           /* or dm335() */
-                ngpio = 104;
-        } else if (cpu_is_davinci_dm644x()) {   /* or dm337() */
-                ngpio = 71;
-        } else if (cpu_is_davinci_dm646x()) {
-                /* NOTE:  each bank has several "reserved" bits,
-                 * unusable as GPIOs.  Only 33 of the GPIO numbers
-                 * are usable, and we're not rejecting the others.
-                 */
-                ngpio = 43;
-        } else {
-                /* if cpu_is_davinci_dm643x() ngpio = 111 */
+        ngpio = soc_info->gpio_num;
+        if (ngpio == 0) {
                 pr_err("GPIO setup:  how many GPIOs?\n");
                 return -EINVAL;
         }
@@ -157,6 +150,7 @@ static int __init davinci_gpio_setup(void)
                 gpiochip_add(&chips[i].chip);
         }
 
+        davinci_gpio_irq_setup();
         return 0;
 }
 pure_initcall(davinci_gpio_setup);
@@ -187,10 +181,15 @@ static void gpio_irq_enable(unsigned irq)
 {
         struct gpio_controller *__iomem g = get_irq_chip_data(irq);
         u32 mask = __gpio_mask(irq_to_gpio(irq));
+        unsigned status = irq_desc[irq].status;
+
+        status &= IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING;
+        if (!status)
+                status = IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING;
 
-        if (irq_desc[irq].status & IRQ_TYPE_EDGE_FALLING)
+        if (status & IRQ_TYPE_EDGE_FALLING)
                 __raw_writel(mask, &g->set_falling);
-        if (irq_desc[irq].status & IRQ_TYPE_EDGE_RISING)
+        if (status & IRQ_TYPE_EDGE_RISING)
                 __raw_writel(mask, &g->set_rising);
 }
 
@@ -205,10 +204,13 @@ static int gpio_irq_type(unsigned irq, unsigned trigger)
         irq_desc[irq].status &= ~IRQ_TYPE_SENSE_MASK;
         irq_desc[irq].status |= trigger;
 
-        __raw_writel(mask, (trigger & IRQ_TYPE_EDGE_FALLING)
-                     ? &g->set_falling : &g->clr_falling);
-        __raw_writel(mask, (trigger & IRQ_TYPE_EDGE_RISING)
-                     ? &g->set_rising : &g->clr_rising);
+        /* don't enable the IRQ if it's currently disabled */
+        if (irq_desc[irq].depth == 0) {
+                __raw_writel(mask, (trigger & IRQ_TYPE_EDGE_FALLING)
+                             ? &g->set_falling : &g->clr_falling);
+                __raw_writel(mask, (trigger & IRQ_TYPE_EDGE_RISING)
+                             ? &g->set_rising : &g->clr_rising);
+        }
         return 0;
 }
 
@@ -230,6 +232,7 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc)
                 mask <<= 16;
 
         /* temporarily mask (level sensitive) parent IRQ */
+        desc->chip->mask(irq);
         desc->chip->ack(irq);
         while (1) {
                 u32             status;
@@ -268,17 +271,15 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 static int __init davinci_gpio_irq_setup(void)
 {
         unsigned        gpio, irq, bank;
-        unsigned        bank_irq;
         struct clk      *clk;
         u32             binten = 0;
+        unsigned        ngpio, bank_irq;
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+        ngpio = soc_info->gpio_num;
 
-        if (cpu_is_davinci_dm355()) {           /* or dm335() */
-                bank_irq = IRQ_DM355_GPIOBNK0;
-        } else if (cpu_is_davinci_dm644x()) {
-                bank_irq = IRQ_GPIOBNK0;
-        } else if (cpu_is_davinci_dm646x()) {
-                bank_irq = IRQ_DM646X_GPIOBNK0;
-        } else {
+        bank_irq = soc_info->gpio_irq;
+        if (bank_irq == 0) {
                 printk(KERN_ERR "Don't know first GPIO bank IRQ.\n");
                 return -EINVAL;
         }
@@ -318,11 +319,9 @@ static int __init davinci_gpio_irq_setup(void)
         /* BINTEN -- per-bank interrupt enable. genirq would also let these
          * bits be set/cleared dynamically.
          */
-        __raw_writel(binten, (void *__iomem)
-                     IO_ADDRESS(DAVINCI_GPIO_BASE + 0x08));
+        __raw_writel(binten, soc_info->gpio_base + 0x08);
 
         printk(KERN_INFO "DaVinci: %d gpio irqs\n", irq - gpio_to_irq(0));
 
         return 0;
 }
-arch_initcall(davinci_gpio_irq_setup);
diff --git a/arch/arm/mach-davinci/id.c b/arch/arm/mach-davinci/id.c
deleted file mode 100644
index 018b994cd79..00000000000
--- a/arch/arm/mach-davinci/id.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * Davinci CPU identification code
- *
- * Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com>
- *
- * Derived from OMAP1 CPU identification code.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/io.h>
-
-#define JTAG_ID_BASE            IO_ADDRESS(0x01c40028)
-
-static unsigned int davinci_revision;
-
-struct davinci_id {
-        u8      variant;        /* JTAG ID bits 31:28 */
-        u16     part_no;        /* JTAG ID bits 27:12 */
-        u32     manufacturer;   /* JTAG ID bits 11:1 */
-        u32     type;           /* Cpu id bits [31:8], cpu class bits [7:0] */
-};
-
-/* Register values to detect the DaVinci version */
-static struct davinci_id davinci_ids[] __initdata = {
-        {
-                /* DM6446 */
-                .part_no      = 0xb700,
-                .variant      = 0x0,
-                .manufacturer = 0x017,
-                .type         = 0x64460000,
-        },
-        {
-                /* DM646X */
-                .part_no      = 0xb770,
-                .variant      = 0x0,
-                .manufacturer = 0x017,
-                .type         = 0x64670000,
-        },
-        {
-                /* DM355 */
-                .part_no        = 0xb73b,
-                .variant        = 0x0,
-                .manufacturer   = 0x00f,
-                .type           = 0x03550000,
-        },
-};
-
-/*
- * Get Device Part No. from JTAG ID register
- */
-static u16 __init davinci_get_part_no(void)
-{
-        u32 dev_id, part_no;
-
-        dev_id = __raw_readl(JTAG_ID_BASE);
-
-        part_no = ((dev_id >> 12) & 0xffff);
-
-        return part_no;
-}
-
-/*
- * Get Device Revision from JTAG ID register
- */
-static u8 __init davinci_get_variant(void)
-{
-        u32 variant;
-
-        variant = __raw_readl(JTAG_ID_BASE);
-
-        variant = (variant >> 28) & 0xf;
-
-        return variant;
-}
-
-unsigned int davinci_rev(void)
-{
-        return davinci_revision >> 16;
-}
-EXPORT_SYMBOL(davinci_rev);
-
-void __init davinci_check_revision(void)
-{
-        int i;
-        u16 part_no;
-        u8 variant;
-
-        part_no = davinci_get_part_no();
-        variant = davinci_get_variant();
-
-        /* First check only the major version in a safe way */
-        for (i = 0; i < ARRAY_SIZE(davinci_ids); i++) {
-                if (part_no == (davinci_ids[i].part_no)) {
-                        davinci_revision = davinci_ids[i].type;
-                        break;
-                }
-        }
-
-        /* Check if we can find the dev revision */
-        for (i = 0; i < ARRAY_SIZE(davinci_ids); i++) {
-                if (part_no == davinci_ids[i].part_no &&
-                    variant == davinci_ids[i].variant) {
-                        davinci_revision = davinci_ids[i].type;
-                        break;
-                }
-        }
-
-        printk(KERN_INFO "DaVinci DM%04x variant 0x%x\n",
-               davinci_rev(), variant);
-}
diff --git a/arch/arm/mach-davinci/include/mach/board-dm6446evm.h b/arch/arm/mach-davinci/include/mach/board-dm6446evm.h
deleted file mode 100644
index 3216f21c123..00000000000
--- a/arch/arm/mach-davinci/include/mach/board-dm6446evm.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * DaVinci DM6446 EVM board specific headers
- *
- * Author: Kevin Hilman, Deep Root Systems, LLC
- *
- * 2007 (c) Deep Root Systems, LLC. 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 ifndef.
- */
-
-#ifndef _MACH_DAVINCI_DM6446EVM_H
-#define _MACH_DAVINCI_DM6446EVM_H
-
-#include <linux/types.h>
-
-int dm6446evm_eeprom_read(char *buf, off_t off, size_t count);
-int dm6446evm_eeprom_write(char *buf, off_t off, size_t count);
-
-#endif
diff --git a/arch/arm/mach-davinci/include/mach/common.h b/arch/arm/mach-davinci/include/mach/common.h
index 19177097625..a1f03b606d8 100644
--- a/arch/arm/mach-davinci/include/mach/common.h
+++ b/arch/arm/mach-davinci/include/mach/common.h
@@ -17,7 +17,8 @@ struct sys_timer;
 extern struct sys_timer davinci_timer;
 
 extern void davinci_irq_init(void);
-extern void davinci_map_common_io(void);
+extern void __iomem *davinci_intc_base;
+extern int davinci_intc_type;
 
 /* parameters describe VBUS sourcing for host mode */
 extern void setup_usb(unsigned mA, unsigned potpgt_msec);
@@ -25,4 +26,56 @@ extern void setup_usb(unsigned mA, unsigned potpgt_msec);
 /* parameters describe VBUS sourcing for host mode */
 extern void setup_usb(unsigned mA, unsigned potpgt_msec);
 
+struct davinci_timer_instance {
+        void __iomem    *base;
+        u32             bottom_irq;
+        u32             top_irq;
+        unsigned long   cmp_off;
+        unsigned int    cmp_irq;
+};
+
+struct davinci_timer_info {
+        struct davinci_timer_instance   *timers;
+        unsigned int                    clockevent_id;
+        unsigned int                    clocksource_id;
+};
+
+/* SoC specific init support */
+struct davinci_soc_info {
+        struct map_desc                 *io_desc;
+        unsigned long                   io_desc_num;
+        u32                             cpu_id;
+        u32                             jtag_id;
+        void __iomem                    *jtag_id_base;
+        struct davinci_id               *ids;
+        unsigned long                   ids_num;
+        struct davinci_clk              *cpu_clks;
+        void __iomem                    **psc_bases;
+        unsigned long                   psc_bases_num;
+        void __iomem                    *pinmux_base;
+        const struct mux_config         *pinmux_pins;
+        unsigned long                   pinmux_pins_num;
+        void __iomem                    *intc_base;
+        int                             intc_type;
+        u8                              *intc_irq_prios;
+        unsigned long                   intc_irq_num;
+        struct davinci_timer_info       *timer_info;
+        void __iomem                    *wdt_base;
+        void __iomem                    *gpio_base;
+        unsigned                        gpio_num;
+        unsigned                        gpio_irq;
+        struct platform_device          *serial_dev;
+        struct emac_platform_data       *emac_pdata;
+        dma_addr_t                      sram_dma;
+        unsigned                        sram_len;
+};
+
+extern struct davinci_soc_info davinci_soc_info;
+
+extern void davinci_common_init(struct davinci_soc_info *soc_info);
+
+/* standard place to map on-chip SRAMs; they *may* support DMA */
+#define SRAM_VIRT       0xfffe0000
+#define SRAM_SIZE       SZ_128K
+
 #endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */
diff --git a/arch/arm/mach-davinci/include/mach/cp_intc.h b/arch/arm/mach-davinci/include/mach/cp_intc.h
new file mode 100644
index 00000000000..c4d27eec806
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/cp_intc.h
@@ -0,0 +1,57 @@
+/*
+ * TI Common Platform Interrupt Controller (cp_intc) definitions
+ *
+ * Author: Steve Chen <schen@mvista.com>
+ * Copyright (C) 2008-2009, MontaVista Software, Inc. <source@mvista.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 __ASM_HARDWARE_CP_INTC_H
+#define __ASM_HARDWARE_CP_INTC_H
+
+#define CP_INTC_REV                     0x00
+#define CP_INTC_CTRL                    0x04
+#define CP_INTC_HOST_CTRL               0x0C
+#define CP_INTC_GLOBAL_ENABLE           0x10
+#define CP_INTC_GLOBAL_NESTING_LEVEL    0x1C
+#define CP_INTC_SYS_STAT_IDX_SET        0x20
+#define CP_INTC_SYS_STAT_IDX_CLR        0x24
+#define CP_INTC_SYS_ENABLE_IDX_SET      0x28
+#define CP_INTC_SYS_ENABLE_IDX_CLR      0x2C
+#define CP_INTC_GLOBAL_WAKEUP_ENABLE    0x30
+#define CP_INTC_HOST_ENABLE_IDX_SET     0x34
+#define CP_INTC_HOST_ENABLE_IDX_CLR     0x38
+#define CP_INTC_PACING_PRESCALE         0x40
+#define CP_INTC_VECTOR_BASE             0x50
+#define CP_INTC_VECTOR_SIZE             0x54
+#define CP_INTC_VECTOR_NULL             0x58
+#define CP_INTC_PRIO_IDX                0x80
+#define CP_INTC_PRIO_VECTOR             0x84
+#define CP_INTC_SECURE_ENABLE           0x90
+#define CP_INTC_SECURE_PRIO_IDX         0x94
+#define CP_INTC_PACING_PARAM(n)         (0x0100 + (n << 4))
+#define CP_INTC_PACING_DEC(n)           (0x0104 + (n << 4))
+#define CP_INTC_PACING_MAP(n)           (0x0108 + (n << 4))
+#define CP_INTC_SYS_RAW_STAT(n)         (0x0200 + (n << 2))
+#define CP_INTC_SYS_STAT_CLR(n)         (0x0280 + (n << 2))
+#define CP_INTC_SYS_ENABLE_SET(n)       (0x0300 + (n << 2))
+#define CP_INTC_SYS_ENABLE_CLR(n)       (0x0380 + (n << 2))
+#define CP_INTC_CHAN_MAP(n)             (0x0400 + (n << 2))
+#define CP_INTC_HOST_MAP(n)             (0x0800 + (n << 2))
+#define CP_INTC_HOST_PRIO_IDX(n)        (0x0900 + (n << 2))
+#define CP_INTC_SYS_POLARITY(n)         (0x0D00 + (n << 2))
+#define CP_INTC_SYS_TYPE(n)             (0x0D80 + (n << 2))
+#define CP_INTC_WAKEUP_ENABLE(n)        (0x0E00 + (n << 2))
+#define CP_INTC_DEBUG_SELECT(n)         (0x0F00 + (n << 2))
+#define CP_INTC_SYS_SECURE_ENABLE(n)    (0x1000 + (n << 2))
+#define CP_INTC_HOST_NESTING_LEVEL(n)   (0x1100 + (n << 2))
+#define CP_INTC_HOST_ENABLE(n)          (0x1500 + (n << 2))
+#define CP_INTC_HOST_PRIO_VECTOR(n)     (0x1600 + (n << 2))
+#define CP_INTC_VECTOR_ADDR(n)          (0x2000 + (n << 2))
+
+void __init cp_intc_init(void __iomem *base, unsigned short num_irq,
+                         u8 *irq_prio);
+
+#endif  /* __ASM_HARDWARE_CP_INTC_H */
diff --git a/arch/arm/mach-davinci/include/mach/cputype.h b/arch/arm/mach-davinci/include/mach/cputype.h
index 27cfb1b3a66..d12a5ed2959 100644
--- a/arch/arm/mach-davinci/include/mach/cputype.h
+++ b/arch/arm/mach-davinci/include/mach/cputype.h
@@ -16,17 +16,30 @@
 #ifndef _ASM_ARCH_CPU_H
 #define _ASM_ARCH_CPU_H
 
-extern unsigned int davinci_rev(void);
+#include <mach/common.h>
 
-#define IS_DAVINCI_CPU(type, id)                        \
-static inline int is_davinci_dm ##type(void)            \
-{                                                       \
-        return (davinci_rev() == (id)) ? 1 : 0;         \
+struct davinci_id {
+        u8      variant;        /* JTAG ID bits 31:28 */
+        u16     part_no;        /* JTAG ID bits 27:12 */
+        u16     manufacturer;   /* JTAG ID bits 11:1 */
+        u32     cpu_id;
+        char    *name;
+};
+
+/* Can use lower 16 bits of cpu id  for a variant when required */
+#define DAVINCI_CPU_ID_DM6446           0x64460000
+#define DAVINCI_CPU_ID_DM6467           0x64670000
+#define DAVINCI_CPU_ID_DM355            0x03550000
+
+#define IS_DAVINCI_CPU(type, id)                                        \
+static inline int is_davinci_ ##type(void)                              \
+{                                                                       \
+        return (davinci_soc_info.cpu_id == (id));                       \
 }
 
-IS_DAVINCI_CPU(644x, 0x6446)
-IS_DAVINCI_CPU(646x, 0x6467)
-IS_DAVINCI_CPU(355, 0x355)
+IS_DAVINCI_CPU(dm644x, DAVINCI_CPU_ID_DM6446)
+IS_DAVINCI_CPU(dm646x, DAVINCI_CPU_ID_DM6467)
+IS_DAVINCI_CPU(dm355, DAVINCI_CPU_ID_DM355)
 
 #ifdef CONFIG_ARCH_DAVINCI_DM644x
 #define cpu_is_davinci_dm644x() is_davinci_dm644x()
diff --git a/arch/arm/mach-davinci/include/mach/debug-macro.S b/arch/arm/mach-davinci/include/mach/debug-macro.S
index e6c0f0d5d06..de3fc2182b4 100644
--- a/arch/arm/mach-davinci/include/mach/debug-macro.S
+++ b/arch/arm/mach-davinci/include/mach/debug-macro.S
@@ -9,6 +9,16 @@
  * or implied.
  */
 
+/* Modifications
+ * Jan 2009     Chaithrika U S  Added senduart, busyuart, waituart
+ *                              macros, based on debug-8250.S file
+ *                              but using 32-bit accesses required for
+ *                              some davinci devices.
+ */
+
+#include <linux/serial_reg.h>
+#define UART_SHIFT      2
+
                 .macro addruart, rx
                 mrc     p15, 0, \rx, c1, c0
                 tst     \rx, #1                 @ MMU enabled?
@@ -17,5 +27,22 @@
                 orr     \rx, \rx, #0x00c20000   @ UART 0
                 .endm
 
-#define UART_SHIFT      2
-#include <asm/hardware/debug-8250.S>
+                .macro  senduart,rd,rx
+                str     \rd, [\rx, #UART_TX << UART_SHIFT]
+                .endm
+
+                .macro  busyuart,rd,rx
+1002:           ldr     \rd, [\rx, #UART_LSR << UART_SHIFT]
+                and     \rd, \rd, #UART_LSR_TEMT | UART_LSR_THRE
+                teq     \rd, #UART_LSR_TEMT | UART_LSR_THRE
+                bne     1002b
+                .endm
+
+                .macro  waituart,rd,rx
+#ifdef FLOW_CONTROL
+1001:           ldr     \rd, [\rx, #UART_MSR << UART_SHIFT]
+                tst     \rd, #UART_MSR_CTS
+                beq     1001b
+#endif
+                .endm
+
diff --git a/arch/arm/mach-davinci/include/mach/dm355.h b/arch/arm/mach-davinci/include/mach/dm355.h
new file mode 100644
index 00000000000..54903b72438
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/dm355.h
@@ -0,0 +1,22 @@
+/*
+ * Chip specific defines for DM355 SoC
+ *
+ * Author: Kevin Hilman, Deep Root Systems, LLC
+ *
+ * 2007 (c) Deep Root Systems, LLC. 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_DM355_H
+#define __ASM_ARCH_DM355_H
+
+#include <mach/hardware.h>
+
+struct spi_board_info;
+
+void __init dm355_init(void);
+void dm355_init_spi0(unsigned chipselect_mask,
+                struct spi_board_info *info, unsigned len);
+
+#endif /* __ASM_ARCH_DM355_H */
diff --git a/arch/arm/mach-davinci/include/mach/dm644x.h b/arch/arm/mach-davinci/include/mach/dm644x.h
index 3dcb9f4e58b..15d42b92a8c 100644
--- a/arch/arm/mach-davinci/include/mach/dm644x.h
+++ b/arch/arm/mach-davinci/include/mach/dm644x.h
@@ -24,6 +24,7 @@
 
 #include <linux/platform_device.h>
 #include <mach/hardware.h>
+#include <mach/emac.h>
 
 #define DM644X_EMAC_BASE                (0x01C80000)
 #define DM644X_EMAC_CNTRL_OFFSET        (0x0000)
diff --git a/arch/arm/mach-davinci/include/mach/dm646x.h b/arch/arm/mach-davinci/include/mach/dm646x.h
new file mode 100644
index 00000000000..1fc764c8646
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/dm646x.h
@@ -0,0 +1,26 @@
+/*
+ * Chip specific defines for DM646x SoC
+ *
+ * Author: Kevin Hilman, Deep Root Systems, LLC
+ *
+ * 2007 (c) Deep Root Systems, LLC. 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_DM646X_H
+#define __ASM_ARCH_DM646X_H
+
+#include <mach/hardware.h>
+#include <mach/emac.h>
+
+#define DM646X_EMAC_BASE                (0x01C80000)
+#define DM646X_EMAC_CNTRL_OFFSET        (0x0000)
+#define DM646X_EMAC_CNTRL_MOD_OFFSET    (0x1000)
+#define DM646X_EMAC_CNTRL_RAM_OFFSET    (0x2000)
+#define DM646X_EMAC_MDIO_OFFSET         (0x4000)
+#define DM646X_EMAC_CNTRL_RAM_SIZE      (0x2000)
+
+void __init dm646x_init(void);
+
+#endif /* __ASM_ARCH_DM646X_H */
diff --git a/arch/arm/mach-davinci/include/mach/edma.h b/arch/arm/mach-davinci/include/mach/edma.h
index f6fc5396daf..24a379239d7 100644
--- a/arch/arm/mach-davinci/include/mach/edma.h
+++ b/arch/arm/mach-davinci/include/mach/edma.h
@@ -208,10 +208,6 @@ void edma_clear_event(unsigned channel);
 void edma_pause(unsigned channel);
 void edma_resume(unsigned channel);
 
-/* UNRELATED TO DMA */
-int davinci_alloc_iram(unsigned size);
-void davinci_free_iram(unsigned addr, unsigned size);
-
 /* platform_data for EDMA driver */
 struct edma_soc_info {
 
diff --git a/arch/arm/mach-davinci/include/mach/emac.h b/arch/arm/mach-davinci/include/mach/emac.h
new file mode 100644
index 00000000000..beff4fb7c84
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/emac.h
@@ -0,0 +1,36 @@
+/*
+ * TI DaVinci EMAC platform support
+ *
+ * Author: Kevin Hilman, Deep Root Systems, LLC
+ *
+ * 2007 (c) Deep Root Systems, LLC. 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_DAVINCI_EMAC_H
+#define _MACH_DAVINCI_EMAC_H
+
+#include <linux/if_ether.h>
+#include <linux/memory.h>
+
+struct emac_platform_data {
+        char mac_addr[ETH_ALEN];
+        u32 ctrl_reg_offset;
+        u32 ctrl_mod_reg_offset;
+        u32 ctrl_ram_offset;
+        u32 mdio_reg_offset;
+        u32 ctrl_ram_size;
+        u32 phy_mask;
+        u32 mdio_max_freq;
+        u8 rmii_en;
+        u8 version;
+};
+
+enum {
+        EMAC_VERSION_1, /* DM644x */
+        EMAC_VERSION_2, /* DM646x */
+};
+
+void davinci_get_mac_addr(struct memory_accessor *mem_acc, void *context);
+#endif
diff --git a/arch/arm/mach-davinci/include/mach/entry-macro.S b/arch/arm/mach-davinci/include/mach/entry-macro.S
index 039b84f933b..fbdebc7cb40 100644
--- a/arch/arm/mach-davinci/include/mach/entry-macro.S
+++ b/arch/arm/mach-davinci/include/mach/entry-macro.S
@@ -15,17 +15,36 @@
                 .endm
 
                 .macro  get_irqnr_preamble, base, tmp
-                ldr \base, =IO_ADDRESS(DAVINCI_ARM_INTC_BASE)
+                ldr \base, =davinci_intc_base
+                ldr \base, [\base]
                 .endm
 
                 .macro  arch_ret_to_user, tmp1, tmp2
                 .endm
 
                 .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+#if defined(CONFIG_AINTC) && defined(CONFIG_CP_INTC)
+                ldr \tmp, =davinci_intc_type
+                ldr \tmp, [\tmp]
+                cmp \tmp, #DAVINCI_INTC_TYPE_CP_INTC
+                beq 1001f
+#endif
+#if defined(CONFIG_AINTC)
                 ldr \tmp, [\base, #0x14]
-                mov \tmp, \tmp, lsr #2
+                movs \tmp, \tmp, lsr #2
                 sub \irqnr, \tmp, #1
-                cmp \tmp, #0
+                b 1002f
+#endif
+#if defined(CONFIG_CP_INTC)
+1001:           ldr \irqnr, [\base, #0x80] /* get irq number */
+                and \irqnr, \irqnr, #0xff  /* irq is in bits 0-9 */
+                mov \tmp, \irqnr, lsr #3
+                and \tmp, \tmp, #0xfc
+                add \tmp, \tmp, #0x280 /* get the register offset */
+                ldr \irqstat, [\base, \tmp] /* get the intc status */
+                cmp \irqstat, #0x0
+#endif
+1002:
                 .endm
 
                 .macro  irq_prio_table
diff --git a/arch/arm/mach-davinci/include/mach/gpio.h b/arch/arm/mach-davinci/include/mach/gpio.h
index efe3281364e..ae074556831 100644
--- a/arch/arm/mach-davinci/include/mach/gpio.h
+++ b/arch/arm/mach-davinci/include/mach/gpio.h
@@ -17,6 +17,7 @@
 #include <asm-generic/gpio.h>
 
 #include <mach/irqs.h>
+#include <mach/common.h>
 
 #define DAVINCI_GPIO_BASE 0x01C67000
 
@@ -67,15 +68,16 @@ static inline struct gpio_controller *__iomem
 __gpio_to_controller(unsigned gpio)
 {
         void *__iomem ptr;
+        void __iomem *base = davinci_soc_info.gpio_base;
 
         if (gpio < 32 * 1)
-                ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x10);
+                ptr = base + 0x10;
         else if (gpio < 32 * 2)
-                ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x38);
+                ptr = base + 0x38;
         else if (gpio < 32 * 3)
-                ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x60);
+                ptr = base + 0x60;
         else if (gpio < 32 * 4)
-                ptr = IO_ADDRESS(DAVINCI_GPIO_BASE + 0x88);
+                ptr = base + 0x88;
         else
                 ptr = NULL;
         return ptr;
@@ -142,13 +144,13 @@ static inline int gpio_to_irq(unsigned gpio)
 {
         if (gpio >= DAVINCI_N_GPIO)
                 return -EINVAL;
-        return DAVINCI_N_AINTC_IRQ + gpio;
+        return davinci_soc_info.intc_irq_num + gpio;
 }
 
 static inline int irq_to_gpio(unsigned irq)
 {
         /* caller guarantees gpio_to_irq() succeeded */
-        return irq - DAVINCI_N_AINTC_IRQ;
+        return irq - davinci_soc_info.intc_irq_num;
 }
 
 #endif                          /* __DAVINCI_GPIO_H */
diff --git a/arch/arm/mach-davinci/include/mach/irqs.h b/arch/arm/mach-davinci/include/mach/irqs.h
index 18066074c99..bc5d6aaa69a 100644
--- a/arch/arm/mach-davinci/include/mach/irqs.h
+++ b/arch/arm/mach-davinci/include/mach/irqs.h
@@ -30,6 +30,9 @@
 /* Base address */
 #define DAVINCI_ARM_INTC_BASE 0x01C48000
 
+#define DAVINCI_INTC_TYPE_AINTC         0
+#define DAVINCI_INTC_TYPE_CP_INTC       1
+
 /* Interrupt lines */
 #define IRQ_VDINT0       0
 #define IRQ_VDINT1       1
diff --git a/arch/arm/mach-davinci/include/mach/memory.h b/arch/arm/mach-davinci/include/mach/memory.h
index 86c25c7f3ce..c712c7cdf38 100644
--- a/arch/arm/mach-davinci/include/mach/memory.h
+++ b/arch/arm/mach-davinci/include/mach/memory.h
@@ -21,7 +21,6 @@
  * Definitions
  **************************************************************************/
 #define DAVINCI_DDR_BASE    0x80000000
-#define DAVINCI_IRAM_BASE   0x00008000 /* ARM Internal RAM */
 
 #define PHYS_OFFSET DAVINCI_DDR_BASE
 
diff --git a/arch/arm/mach-davinci/include/mach/mmc.h b/arch/arm/mach-davinci/include/mach/mmc.h
new file mode 100644
index 00000000000..5a85e24f367
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/mmc.h
@@ -0,0 +1,33 @@
+/*
+ *  Board-specific MMC configuration
+ */
+
+#ifndef _DAVINCI_MMC_H
+#define _DAVINCI_MMC_H
+
+#include <linux/types.h>
+#include <linux/mmc/host.h>
+
+struct davinci_mmc_config {
+        /* get_cd()/get_wp() may sleep */
+        int     (*get_cd)(int module);
+        int     (*get_ro)(int module);
+        /* wires == 0 is equivalent to wires == 4 (4-bit parallel) */
+        u8      wires;
+
+        u32     max_freq;
+
+        /* any additional host capabilities: OR'd in to mmc->f_caps */
+        u32     caps;
+
+        /* Version of the MMC/SD controller */
+        u8      version;
+};
+void davinci_setup_mmc(int module, struct davinci_mmc_config *config);
+
+enum {
+        MMC_CTLR_VERSION_1 = 0, /* DM644x and DM355 */
+        MMC_CTLR_VERSION_2,     /* DA830 */
+};
+
+#endif
diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h
index bae22cb3e27..27378458542 100644
--- a/arch/arm/mach-davinci/include/mach/mux.h
+++ b/arch/arm/mach-davinci/include/mach/mux.h
@@ -19,16 +19,6 @@
 #ifndef __INC_MACH_MUX_H
 #define __INC_MACH_MUX_H
 
-/* System module registers */
-#define PINMUX0                 0x00
-#define PINMUX1                 0x04
-/* dm355 only */
-#define PINMUX2                 0x08
-#define PINMUX3                 0x0c
-#define PINMUX4                 0x10
-#define INTMUX                  0x18
-#define EVTMUX                  0x1c
-
 struct mux_config {
         const char *name;
         const char *mux_reg_name;
@@ -168,15 +158,9 @@ enum davinci_dm355_index {
 
 #ifdef CONFIG_DAVINCI_MUX
 /* setup pin muxing */
-extern void davinci_mux_init(void);
-extern int davinci_mux_register(const struct mux_config *pins,
-                                unsigned long size);
 extern int davinci_cfg_reg(unsigned long reg_cfg);
 #else
 /* boot loader does it all (no warnings from CONFIG_DAVINCI_MUX_WARNINGS) */
-static inline void davinci_mux_init(void) {}
-static inline int davinci_mux_register(const struct mux_config *pins,
-                                       unsigned long size) { return 0; }
 static inline int davinci_cfg_reg(unsigned long reg_cfg) { return 0; }
 #endif
 
diff --git a/arch/arm/mach-davinci/include/mach/psc.h b/arch/arm/mach-davinci/include/mach/psc.h
index 55a90d419fa..ab8a2586d1c 100644
--- a/arch/arm/mach-davinci/include/mach/psc.h
+++ b/arch/arm/mach-davinci/include/mach/psc.h
@@ -27,6 +27,8 @@
 #ifndef __ASM_ARCH_PSC_H
 #define __ASM_ARCH_PSC_H
 
+#define DAVINCI_PWR_SLEEP_CNTRL_BASE    0x01C41000
+
 /* Power and Sleep Controller (PSC) Domains */
 #define DAVINCI_GPSC_ARMDOMAIN      0
 #define DAVINCI_GPSC_DSPDOMAIN      1
@@ -116,8 +118,8 @@
 #define DM646X_LPSC_TIMER1         35
 #define DM646X_LPSC_ARM_INTC       45
 
-extern int davinci_psc_is_clk_active(unsigned int id);
-extern void davinci_psc_config(unsigned int domain, unsigned int id,
-                               char enable);
+extern int davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id);
+extern void davinci_psc_config(unsigned int domain, unsigned int ctlr,
+                unsigned int id, char enable);
 
 #endif /* __ASM_ARCH_PSC_H */
diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h
index 632847d74a1..794fa5cf93c 100644
--- a/arch/arm/mach-davinci/include/mach/serial.h
+++ b/arch/arm/mach-davinci/include/mach/serial.h
@@ -18,8 +18,6 @@
 #define DAVINCI_UART1_BASE      (IO_PHYS + 0x20400)
 #define DAVINCI_UART2_BASE      (IO_PHYS + 0x20800)
 
-#define DM355_UART2_BASE        (IO_PHYS + 0x206000)
-
 /* DaVinci UART register offsets */
 #define UART_DAVINCI_PWREMU             0x0c
 #define UART_DM646X_SCR                 0x10
@@ -30,6 +28,6 @@ struct davinci_uart_config {
         unsigned int enabled_uarts;
 };
 
-extern void davinci_serial_init(struct davinci_uart_config *);
+extern int davinci_serial_init(struct davinci_uart_config *);
 
 #endif /* __ASM_ARCH_SERIAL_H */
diff --git a/arch/arm/mach-davinci/include/mach/sram.h b/arch/arm/mach-davinci/include/mach/sram.h
new file mode 100644
index 00000000000..111f7cc71e0
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/sram.h
@@ -0,0 +1,27 @@
+/*
+ * mach/sram.h - DaVinci simple SRAM allocator
+ *
+ * Copyright (C) 2009 David Brownell
+ *
+ * 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 __MACH_SRAM_H
+#define __MACH_SRAM_H
+
+/* ARBITRARY:  SRAM allocations are multiples of this 2^N size */
+#define SRAM_GRANULARITY        512
+
+/*
+ * SRAM allocations return a CPU virtual address, or NULL on error.
+ * If a DMA address is requested and the SRAM supports DMA, its
+ * mapped address is also returned.
+ *
+ * Errors include SRAM memory not being available, and requesting
+ * DMA mapped SRAM on systems which don't allow that.
+ */
+extern void *sram_alloc(size_t len, dma_addr_t *dma);
+extern void sram_free(void *addr, size_t len);
+
+#endif /* __MACH_SRAM_H */
diff --git a/arch/arm/mach-davinci/include/mach/time.h b/arch/arm/mach-davinci/include/mach/time.h
new file mode 100644
index 00000000000..1c971d8d8ba
--- /dev/null
+++ b/arch/arm/mach-davinci/include/mach/time.h
@@ -0,0 +1,35 @@
+/*
+ * Local header file for DaVinci time code.
+ *
+ * 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 __ARCH_ARM_MACH_DAVINCI_TIME_H
+#define __ARCH_ARM_MACH_DAVINCI_TIME_H
+
+#define DAVINCI_TIMER0_BASE             (IO_PHYS + 0x21400)
+#define DAVINCI_TIMER1_BASE             (IO_PHYS + 0x21800)
+#define DAVINCI_WDOG_BASE               (IO_PHYS + 0x21C00)
+
+enum {
+        T0_BOT,
+        T0_TOP,
+        T1_BOT,
+        T1_TOP,
+        NUM_TIMERS
+};
+
+#define IS_TIMER1(id)           (id & 0x2)
+#define IS_TIMER0(id)           (!IS_TIMER1(id))
+#define IS_TIMER_TOP(id)        ((id & 0x1))
+#define IS_TIMER_BOT(id)        (!IS_TIMER_TOP(id))
+
+#define ID_TO_TIMER(id)         (IS_TIMER1(id) != 0)
+
+extern struct davinci_timer_instance davinci_timer_instance[];
+
+#endif /* __ARCH_ARM_MACH_DAVINCI_TIME_H */
diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h
index 8c165def37b..1e27475f9a2 100644
--- a/arch/arm/mach-davinci/include/mach/uncompress.h
+++ b/arch/arm/mach-davinci/include/mach/uncompress.h
@@ -13,11 +13,24 @@
 #include <linux/serial_reg.h>
 #include <mach/serial.h>
 
+#include <asm/mach-types.h>
+
+extern unsigned int __machine_arch_type;
+
+static u32 *uart;
+
+static u32 *get_uart_base(void)
+{
+        /* Add logic here for new platforms, using __macine_arch_type */
+        return (u32 *)DAVINCI_UART0_BASE;
+}
+
 /* PORT_16C550A, in polled non-fifo mode */
 
 static void putc(char c)
 {
-        volatile u32 *uart = (volatile void *) DAVINCI_UART0_BASE;
+        if (!uart)
+                uart = get_uart_base();
 
         while (!(uart[UART_LSR] & UART_LSR_THRE))
                 barrier();
@@ -26,7 +39,9 @@ static void putc(char c)
 
 static inline void flush(void)
 {
-        volatile u32 *uart = (volatile void *) DAVINCI_UART0_BASE;
+        if (!uart)
+                uart = get_uart_base();
+
         while (!(uart[UART_LSR] & UART_LSR_THRE))
                 barrier();
 }
diff --git a/arch/arm/mach-davinci/io.c b/arch/arm/mach-davinci/io.c
index a548abb513e..49912b48b1b 100644
--- a/arch/arm/mach-davinci/io.c
+++ b/arch/arm/mach-davinci/io.c
@@ -9,47 +9,9 @@
  */
 
 #include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
 #include <linux/io.h>
 
 #include <asm/tlb.h>
-#include <asm/memory.h>
-
-#include <asm/mach/map.h>
-#include <mach/clock.h>
-
-extern void davinci_check_revision(void);
-
-/*
- * The machine specific code may provide the extra mapping besides the
- * default mapping provided here.
- */
-static struct map_desc davinci_io_desc[] __initdata = {
-        {
-                .virtual        = IO_VIRT,
-                .pfn            = __phys_to_pfn(IO_PHYS),
-                .length         = IO_SIZE,
-                .type           = MT_DEVICE
-        },
-};
-
-void __init davinci_map_common_io(void)
-{
-        iotable_init(davinci_io_desc, ARRAY_SIZE(davinci_io_desc));
-
-        /* Normally devicemaps_init() would flush caches and tlb after
-         * mdesc->map_io(), but we must also do it here because of the CPU
-         * revision check below.
-         */
-        local_flush_tlb_all();
-        flush_cache_all();
-
-        /* We want to check CPU revision early for cpu_is_xxxx() macros.
-         * IO space mapping must be initialized before we can do that.
-         */
-        davinci_check_revision();
-}
 
 #define BETWEEN(p, st, sz)      ((p) >= (st) && (p) < ((st) + (sz)))
 #define XLATE(p, pst, vst)      ((void __iomem *)((p) - (pst) + (vst)))
diff --git a/arch/arm/mach-davinci/irq.c b/arch/arm/mach-davinci/irq.c
index 5a324c90e29..af92ffee847 100644
--- a/arch/arm/mach-davinci/irq.c
+++ b/arch/arm/mach-davinci/irq.c
@@ -26,6 +26,7 @@
 
 #include <mach/hardware.h>
 #include <mach/cputype.h>
+#include <mach/common.h>
 #include <asm/mach/irq.h>
 
 #define IRQ_BIT(irq)            ((irq) & 0x1f)
@@ -41,18 +42,14 @@
 #define IRQ_INTPRI0_REG_OFFSET  0x0030
 #define IRQ_INTPRI7_REG_OFFSET  0x004C
 
-const u8 *davinci_def_priorities;
-
-#define INTC_BASE IO_ADDRESS(DAVINCI_ARM_INTC_BASE)
-
 static inline unsigned int davinci_irq_readl(int offset)
 {
-        return __raw_readl(INTC_BASE + offset);
+        return __raw_readl(davinci_intc_base + offset);
 }
 
 static inline void davinci_irq_writel(unsigned long value, int offset)
 {
-        __raw_writel(value, INTC_BASE + offset);
+        __raw_writel(value, davinci_intc_base + offset);
 }
 
 /* Disable interrupt */
@@ -113,217 +110,11 @@ static struct irq_chip davinci_irq_chip_0 = {
         .unmask = davinci_unmask_irq,
 };
 
-/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
-static const u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] __initdata = {
-        [IRQ_VDINT0]            = 2,
-        [IRQ_VDINT1]            = 6,
-        [IRQ_VDINT2]            = 6,
-        [IRQ_HISTINT]           = 6,
-        [IRQ_H3AINT]            = 6,
-        [IRQ_PRVUINT]           = 6,
-        [IRQ_RSZINT]            = 6,
-        [7]                     = 7,
-        [IRQ_VENCINT]           = 6,
-        [IRQ_ASQINT]            = 6,
-        [IRQ_IMXINT]            = 6,
-        [IRQ_VLCDINT]           = 6,
-        [IRQ_USBINT]            = 4,
-        [IRQ_EMACINT]           = 4,
-        [14]                    = 7,
-        [15]                    = 7,
-        [IRQ_CCINT0]            = 5,    /* dma */
-        [IRQ_CCERRINT]          = 5,    /* dma */
-        [IRQ_TCERRINT0]         = 5,    /* dma */
-        [IRQ_TCERRINT]          = 5,    /* dma */
-        [IRQ_PSCIN]             = 7,
-        [21]                    = 7,
-        [IRQ_IDE]               = 4,
-        [23]                    = 7,
-        [IRQ_MBXINT]            = 7,
-        [IRQ_MBRINT]            = 7,
-        [IRQ_MMCINT]            = 7,
-        [IRQ_SDIOINT]           = 7,
-        [28]                    = 7,
-        [IRQ_DDRINT]            = 7,
-        [IRQ_AEMIFINT]          = 7,
-        [IRQ_VLQINT]            = 4,
-        [IRQ_TINT0_TINT12]      = 2,    /* clockevent */
-        [IRQ_TINT0_TINT34]      = 2,    /* clocksource */
-        [IRQ_TINT1_TINT12]      = 7,    /* DSP timer */
-        [IRQ_TINT1_TINT34]      = 7,    /* system tick */
-        [IRQ_PWMINT0]           = 7,
-        [IRQ_PWMINT1]           = 7,
-        [IRQ_PWMINT2]           = 7,
-        [IRQ_I2C]               = 3,
-        [IRQ_UARTINT0]          = 3,
-        [IRQ_UARTINT1]          = 3,
-        [IRQ_UARTINT2]          = 3,
-        [IRQ_SPINT0]            = 3,
-        [IRQ_SPINT1]            = 3,
-        [45]                    = 7,
-        [IRQ_DSP2ARM0]          = 4,
-        [IRQ_DSP2ARM1]          = 4,
-        [IRQ_GPIO0]             = 7,
-        [IRQ_GPIO1]             = 7,
-        [IRQ_GPIO2]             = 7,
-        [IRQ_GPIO3]             = 7,
-        [IRQ_GPIO4]             = 7,
-        [IRQ_GPIO5]             = 7,
-        [IRQ_GPIO6]             = 7,
-        [IRQ_GPIO7]             = 7,
-        [IRQ_GPIOBNK0]          = 7,
-        [IRQ_GPIOBNK1]          = 7,
-        [IRQ_GPIOBNK2]          = 7,
-        [IRQ_GPIOBNK3]          = 7,
-        [IRQ_GPIOBNK4]          = 7,
-        [IRQ_COMMTX]            = 7,
-        [IRQ_COMMRX]            = 7,
-        [IRQ_EMUINT]            = 7,
-};
-
-static const u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
-        [IRQ_DM646X_VP_VERTINT0]        = 7,
-        [IRQ_DM646X_VP_VERTINT1]        = 7,
-        [IRQ_DM646X_VP_VERTINT2]        = 7,
-        [IRQ_DM646X_VP_VERTINT3]        = 7,
-        [IRQ_DM646X_VP_ERRINT]          = 7,
-        [IRQ_DM646X_RESERVED_1]         = 7,
-        [IRQ_DM646X_RESERVED_2]         = 7,
-        [IRQ_DM646X_WDINT]              = 7,
-        [IRQ_DM646X_CRGENINT0]          = 7,
-        [IRQ_DM646X_CRGENINT1]          = 7,
-        [IRQ_DM646X_TSIFINT0]           = 7,
-        [IRQ_DM646X_TSIFINT1]           = 7,
-        [IRQ_DM646X_VDCEINT]            = 7,
-        [IRQ_DM646X_USBINT]             = 7,
-        [IRQ_DM646X_USBDMAINT]          = 7,
-        [IRQ_DM646X_PCIINT]             = 7,
-        [IRQ_CCINT0]                    = 7,    /* dma */
-        [IRQ_CCERRINT]                  = 7,    /* dma */
-        [IRQ_TCERRINT0]                 = 7,    /* dma */
-        [IRQ_TCERRINT]                  = 7,    /* dma */
-        [IRQ_DM646X_TCERRINT2]          = 7,
-        [IRQ_DM646X_TCERRINT3]          = 7,
-        [IRQ_DM646X_IDE]                = 7,
-        [IRQ_DM646X_HPIINT]             = 7,
-        [IRQ_DM646X_EMACRXTHINT]        = 7,
-        [IRQ_DM646X_EMACRXINT]          = 7,
-        [IRQ_DM646X_EMACTXINT]          = 7,
-        [IRQ_DM646X_EMACMISCINT]        = 7,
-        [IRQ_DM646X_MCASP0TXINT]        = 7,
-        [IRQ_DM646X_MCASP0RXINT]        = 7,
-        [IRQ_AEMIFINT]                  = 7,
-        [IRQ_DM646X_RESERVED_3]         = 7,
-        [IRQ_DM646X_MCASP1TXINT]        = 7,    /* clockevent */
-        [IRQ_TINT0_TINT34]              = 7,    /* clocksource */
-        [IRQ_TINT1_TINT12]              = 7,    /* DSP timer */
-        [IRQ_TINT1_TINT34]              = 7,    /* system tick */
-        [IRQ_PWMINT0]                   = 7,
-        [IRQ_PWMINT1]                   = 7,
-        [IRQ_DM646X_VLQINT]             = 7,
-        [IRQ_I2C]                       = 7,
-        [IRQ_UARTINT0]                  = 7,
-        [IRQ_UARTINT1]                  = 7,
-        [IRQ_DM646X_UARTINT2]           = 7,
-        [IRQ_DM646X_SPINT0]             = 7,
-        [IRQ_DM646X_SPINT1]             = 7,
-        [IRQ_DM646X_DSP2ARMINT]         = 7,
-        [IRQ_DM646X_RESERVED_4]         = 7,
-        [IRQ_DM646X_PSCINT]             = 7,
-        [IRQ_DM646X_GPIO0]              = 7,
-        [IRQ_DM646X_GPIO1]              = 7,
-        [IRQ_DM646X_GPIO2]              = 7,
-        [IRQ_DM646X_GPIO3]              = 7,
-        [IRQ_DM646X_GPIO4]              = 7,
-        [IRQ_DM646X_GPIO5]              = 7,
-        [IRQ_DM646X_GPIO6]              = 7,
-        [IRQ_DM646X_GPIO7]              = 7,
-        [IRQ_DM646X_GPIOBNK0]           = 7,
-        [IRQ_DM646X_GPIOBNK1]           = 7,
-        [IRQ_DM646X_GPIOBNK2]           = 7,
-        [IRQ_DM646X_DDRINT]             = 7,
-        [IRQ_DM646X_AEMIFINT]           = 7,
-        [IRQ_COMMTX]                    = 7,
-        [IRQ_COMMRX]                    = 7,
-        [IRQ_EMUINT]                    = 7,
-};
-
-static const u8 dm355_default_priorities[DAVINCI_N_AINTC_IRQ] = {
-        [IRQ_DM355_CCDC_VDINT0]         = 2,
-        [IRQ_DM355_CCDC_VDINT1]         = 6,
-        [IRQ_DM355_CCDC_VDINT2]         = 6,
-        [IRQ_DM355_IPIPE_HST]           = 6,
-        [IRQ_DM355_H3AINT]              = 6,
-        [IRQ_DM355_IPIPE_SDR]           = 6,
-        [IRQ_DM355_IPIPEIFINT]          = 6,
-        [IRQ_DM355_OSDINT]              = 7,
-        [IRQ_DM355_VENCINT]             = 6,
-        [IRQ_ASQINT]                    = 6,
-        [IRQ_IMXINT]                    = 6,
-        [IRQ_USBINT]                    = 4,
-        [IRQ_DM355_RTOINT]              = 4,
-        [IRQ_DM355_UARTINT2]            = 7,
-        [IRQ_DM355_TINT6]               = 7,
-        [IRQ_CCINT0]                    = 5,    /* dma */
-        [IRQ_CCERRINT]                  = 5,    /* dma */
-        [IRQ_TCERRINT0]                 = 5,    /* dma */
-        [IRQ_TCERRINT]                  = 5,    /* dma */
-        [IRQ_DM355_SPINT2_1]            = 7,
-        [IRQ_DM355_TINT7]               = 4,
-        [IRQ_DM355_SDIOINT0]            = 7,
-        [IRQ_MBXINT]                    = 7,
-        [IRQ_MBRINT]                    = 7,
-        [IRQ_MMCINT]                    = 7,
-        [IRQ_DM355_MMCINT1]             = 7,
-        [IRQ_DM355_PWMINT3]             = 7,
-        [IRQ_DDRINT]                    = 7,
-        [IRQ_AEMIFINT]                  = 7,
-        [IRQ_DM355_SDIOINT1]            = 4,
-        [IRQ_TINT0_TINT12]              = 2,    /* clockevent */
-        [IRQ_TINT0_TINT34]              = 2,    /* clocksource */
-        [IRQ_TINT1_TINT12]              = 7,    /* DSP timer */
-        [IRQ_TINT1_TINT34]              = 7,    /* system tick */
-        [IRQ_PWMINT0]                   = 7,
-        [IRQ_PWMINT1]                   = 7,
-        [IRQ_PWMINT2]                   = 7,
-        [IRQ_I2C]                       = 3,
-        [IRQ_UARTINT0]                  = 3,
-        [IRQ_UARTINT1]                  = 3,
-        [IRQ_DM355_SPINT0_0]            = 3,
-        [IRQ_DM355_SPINT0_1]            = 3,
-        [IRQ_DM355_GPIO0]               = 3,
-        [IRQ_DM355_GPIO1]               = 7,
-        [IRQ_DM355_GPIO2]               = 4,
-        [IRQ_DM355_GPIO3]               = 4,
-        [IRQ_DM355_GPIO4]               = 7,
-        [IRQ_DM355_GPIO5]               = 7,
-        [IRQ_DM355_GPIO6]               = 7,
-        [IRQ_DM355_GPIO7]               = 7,
-        [IRQ_DM355_GPIO8]               = 7,
-        [IRQ_DM355_GPIO9]               = 7,
-        [IRQ_DM355_GPIOBNK0]            = 7,
-        [IRQ_DM355_GPIOBNK1]            = 7,
-        [IRQ_DM355_GPIOBNK2]            = 7,
-        [IRQ_DM355_GPIOBNK3]            = 7,
-        [IRQ_DM355_GPIOBNK4]            = 7,
-        [IRQ_DM355_GPIOBNK5]            = 7,
-        [IRQ_DM355_GPIOBNK6]            = 7,
-        [IRQ_COMMTX]                    = 7,
-        [IRQ_COMMRX]                    = 7,
-        [IRQ_EMUINT]                    = 7,
-};
-
 /* ARM Interrupt Controller Initialization */
 void __init davinci_irq_init(void)
 {
         unsigned i;
-
-        if (cpu_is_davinci_dm644x())
-                davinci_def_priorities = dm644x_default_priorities;
-        else if (cpu_is_davinci_dm646x())
-                davinci_def_priorities = dm646x_default_priorities;
-        else if (cpu_is_davinci_dm355())
-                davinci_def_priorities = dm355_default_priorities;
+        const u8 *davinci_def_priorities = davinci_soc_info.intc_irq_prios;
 
         /* Clear all interrupt requests */
         davinci_irq_writel(~0x0, FIQ_REG0_OFFSET);
diff --git a/arch/arm/mach-davinci/mux.c b/arch/arm/mach-davinci/mux.c
index bbba0b247a4..d310f579aa8 100644
--- a/arch/arm/mach-davinci/mux.c
+++ b/arch/arm/mach-davinci/mux.c
@@ -21,18 +21,7 @@
 
 #include <mach/hardware.h>
 #include <mach/mux.h>
-
-static const struct mux_config *mux_table;
-static unsigned long pin_table_sz;
-
-int __init davinci_mux_register(const struct mux_config *pins,
-                                unsigned long size)
-{
-        mux_table = pins;
-        pin_table_sz = size;
-
-        return 0;
-}
+#include <mach/common.h>
 
 /*
  * Sets the DAVINCI MUX register based on the table
@@ -40,23 +29,24 @@ int __init davinci_mux_register(const struct mux_config *pins,
 int __init_or_module davinci_cfg_reg(const unsigned long index)
 {
         static DEFINE_SPINLOCK(mux_spin_lock);
-        void __iomem *base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE);
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
+        void __iomem *base = soc_info->pinmux_base;
         unsigned long flags;
         const struct mux_config *cfg;
         unsigned int reg_orig = 0, reg = 0;
         unsigned int mask, warn = 0;
 
-        if (!mux_table)
+        if (!soc_info->pinmux_pins)
                 BUG();
 
-        if (index >= pin_table_sz) {
+        if (index >= soc_info->pinmux_pins_num) {
                 printk(KERN_ERR "Invalid pin mux index: %lu (%lu)\n",
-                       index, pin_table_sz);
+                       index, soc_info->pinmux_pins_num);
                 dump_stack();
                 return -ENODEV;
         }
 
-        cfg = &mux_table[index];
+        cfg = &soc_info->pinmux_pins[index];
 
         if (cfg->name == NULL) {
                 printk(KERN_ERR "No entry for the specified index\n");
diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c
index 84171abf5f7..a78b657e916 100644
--- a/arch/arm/mach-davinci/psc.c
+++ b/arch/arm/mach-davinci/psc.c
@@ -28,8 +28,6 @@
 #include <mach/psc.h>
 #include <mach/mux.h>
 
-#define DAVINCI_PWR_SLEEP_CNTRL_BASE 0x01C41000
-
 /* PSC register offsets */
 #define EPCPR           0x070
 #define PTCMD           0x120
@@ -42,22 +40,42 @@
 #define MDSTAT_STATE_MASK 0x1f
 
 /* Return nonzero iff the domain's clock is active */
-int __init davinci_psc_is_clk_active(unsigned int id)
+int __init davinci_psc_is_clk_active(unsigned int ctlr, unsigned int id)
 {
-        void __iomem *psc_base = IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE);
-        u32 mdstat = __raw_readl(psc_base + MDSTAT + 4 * id);
+        void __iomem *psc_base;
+        u32 mdstat;
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+        if (!soc_info->psc_bases || (ctlr >= soc_info->psc_bases_num)) {
+                pr_warning("PSC: Bad psc data: 0x%x[%d]\n",
+                                (int)soc_info->psc_bases, ctlr);
+                return 0;
+        }
+
+        psc_base = soc_info->psc_bases[ctlr];
+        mdstat = __raw_readl(psc_base + MDSTAT + 4 * id);
 
         /* if clocked, state can be "Enable" or "SyncReset" */
         return mdstat & BIT(12);
 }
 
 /* Enable or disable a PSC domain */
-void davinci_psc_config(unsigned int domain, unsigned int id, char enable)
+void davinci_psc_config(unsigned int domain, unsigned int ctlr,
+                unsigned int id, char enable)
 {
         u32 epcpr, ptcmd, ptstat, pdstat, pdctl1, mdstat, mdctl;
-        void __iomem *psc_base = IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE);
+        void __iomem *psc_base;
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
         u32 next_state = enable ? 0x3 : 0x2; /* 0x3 enables, 0x2 disables */
 
+        if (!soc_info->psc_bases || (ctlr >= soc_info->psc_bases_num)) {
+                pr_warning("PSC: Bad psc data: 0x%x[%d]\n",
+                                (int)soc_info->psc_bases, ctlr);
+                return;
+        }
+
+        psc_base = soc_info->psc_bases[ctlr];
+
         mdctl = __raw_readl(psc_base + MDCTL + 4 * id);
         mdctl &= ~MDSTAT_STATE_MASK;
         mdctl |= next_state;
diff --git a/arch/arm/mach-davinci/serial.c b/arch/arm/mach-davinci/serial.c
index 69507579652..c530c7333d0 100644
--- a/arch/arm/mach-davinci/serial.c
+++ b/arch/arm/mach-davinci/serial.c
@@ -33,6 +33,8 @@
 #include <mach/serial.h>
 #include <mach/irqs.h>
 #include <mach/cputype.h>
+#include <mach/common.h>
+
 #include "clock.h"
 
 static inline unsigned int serial_read_reg(struct plat_serial8250_port *up,
@@ -49,44 +51,6 @@ static inline void serial_write_reg(struct plat_serial8250_port *p, int offset,
         __raw_writel(value, IO_ADDRESS(p->mapbase) + offset);
 }
 
-static struct plat_serial8250_port serial_platform_data[] = {
-        {
-                .mapbase        = DAVINCI_UART0_BASE,
-                .irq            = IRQ_UARTINT0,
-                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
-                                  UPF_IOREMAP,
-                .iotype         = UPIO_MEM,
-                .regshift       = 2,
-        },
-        {
-                .mapbase        = DAVINCI_UART1_BASE,
-                .irq            = IRQ_UARTINT1,
-                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
-                                  UPF_IOREMAP,
-                .iotype         = UPIO_MEM,
-                .regshift       = 2,
-        },
-        {
-                .mapbase        = DAVINCI_UART2_BASE,
-                .irq            = IRQ_UARTINT2,
-                .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
-                                  UPF_IOREMAP,
-                .iotype         = UPIO_MEM,
-                .regshift       = 2,
-        },
-        {
-                .flags          = 0
-        },
-};
-
-static struct platform_device serial_device = {
-        .name                   = "serial8250",
-        .id                     = PLAT8250_DEV_PLATFORM,
-        .dev                    = {
-                .platform_data  = serial_platform_data,
-        },
-};
-
 static void __init davinci_serial_reset(struct plat_serial8250_port *p)
 {
         unsigned int pwremu = 0;
@@ -106,35 +70,22 @@ static void __init davinci_serial_reset(struct plat_serial8250_port *p)
                                  UART_DM646X_SCR_TX_WATERMARK);
 }
 
-void __init davinci_serial_init(struct davinci_uart_config *info)
+int __init davinci_serial_init(struct davinci_uart_config *info)
 {
         int i;
         char name[16];
         struct clk *uart_clk;
-        struct device *dev = &serial_device.dev;
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
+        struct device *dev = &soc_info->serial_dev->dev;
+        struct plat_serial8250_port *p = dev->platform_data;
 
         /*
          * Make sure the serial ports are muxed on at this point.
-         * You have to mux them off in device drivers later on
-         * if not needed.
+         * You have to mux them off in device drivers later on if not needed.
          */
-        for (i = 0; i < DAVINCI_MAX_NR_UARTS; i++) {
-                struct plat_serial8250_port *p = serial_platform_data + i;
-
-                if (!(info->enabled_uarts & (1 << i))) {
-                        p->flags = 0;
+        for (i = 0; i < DAVINCI_MAX_NR_UARTS; i++, p++) {
+                if (!(info->enabled_uarts & (1 << i)))
                         continue;
-                }
-
-                if (cpu_is_davinci_dm646x())
-                        p->iotype = UPIO_MEM32;
-
-                if (cpu_is_davinci_dm355()) {
-                        if (i == 2) {
-                                p->mapbase = (unsigned long)DM355_UART2_BASE;
-                                p->irq = IRQ_DM355_UARTINT2;
-                        }
-                }
 
                 sprintf(name, "uart%d", i);
                 uart_clk = clk_get(dev, name);
@@ -147,11 +98,6 @@ void __init davinci_serial_init(struct davinci_uart_config *info)
                         davinci_serial_reset(p);
                 }
         }
-}
 
-static int __init davinci_init(void)
-{
-        return platform_device_register(&serial_device);
+        return platform_device_register(soc_info->serial_dev);
 }
-
-arch_initcall(davinci_init);
diff --git a/arch/arm/mach-davinci/sram.c b/arch/arm/mach-davinci/sram.c
new file mode 100644
index 00000000000..db54b2a66b4
--- /dev/null
+++ b/arch/arm/mach-davinci/sram.c
@@ -0,0 +1,74 @@
+/*
+ * mach-davinci/sram.c - DaVinci simple SRAM allocator
+ *
+ * Copyright (C) 2009 David Brownell
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/genalloc.h>
+
+#include <mach/common.h>
+#include <mach/memory.h>
+#include <mach/sram.h>
+
+
+static struct gen_pool *sram_pool;
+
+void *sram_alloc(size_t len, dma_addr_t *dma)
+{
+        unsigned long vaddr;
+        dma_addr_t dma_base = davinci_soc_info.sram_dma;
+
+        if (dma)
+                *dma = 0;
+        if (!sram_pool || (dma && !dma_base))
+                return NULL;
+
+        vaddr = gen_pool_alloc(sram_pool, len);
+        if (!vaddr)
+                return NULL;
+
+        if (dma)
+                *dma = dma_base + (vaddr - SRAM_VIRT);
+        return (void *)vaddr;
+
+}
+EXPORT_SYMBOL(sram_alloc);
+
+void sram_free(void *addr, size_t len)
+{
+        gen_pool_free(sram_pool, (unsigned long) addr, len);
+}
+EXPORT_SYMBOL(sram_free);
+
+
+/*
+ * REVISIT This supports CPU and DMA access to/from SRAM, but it
+ * doesn't (yet?) support some other notable uses of SRAM:  as TCM
+ * for data and/or instructions; and holding code needed to enter
+ * and exit suspend states (while DRAM can't be used).
+ */
+static int __init sram_init(void)
+{
+        unsigned len = davinci_soc_info.sram_len;
+        int status = 0;
+
+        if (len) {
+                len = min(len, SRAM_SIZE);
+                sram_pool = gen_pool_create(ilog2(SRAM_GRANULARITY), -1);
+                if (!sram_pool)
+                        status = -ENOMEM;
+        }
+        if (sram_pool)
+                status = gen_pool_add(sram_pool, SRAM_VIRT, len, -1);
+        WARN_ON(status < 0);
+        return status;
+}
+core_initcall(sram_init);
+
diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c
index 494e01bff5c..0884ca57bfb 100644
--- a/arch/arm/mach-davinci/time.c
+++ b/arch/arm/mach-davinci/time.c
@@ -19,6 +19,7 @@
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/device.h>
+#include <linux/platform_device.h>
 
 #include <mach/hardware.h>
 #include <asm/system.h>
@@ -28,52 +29,41 @@
 #include <asm/errno.h>
 #include <mach/io.h>
 #include <mach/cputype.h>
+#include <mach/time.h>
 #include "clock.h"
 
 static struct clock_event_device clockevent_davinci;
 static unsigned int davinci_clock_tick_rate;
 
-#define DAVINCI_TIMER0_BASE (IO_PHYS + 0x21400)
-#define DAVINCI_TIMER1_BASE (IO_PHYS + 0x21800)
-#define DAVINCI_WDOG_BASE   (IO_PHYS + 0x21C00)
-
-enum {
-        T0_BOT = 0, T0_TOP, T1_BOT, T1_TOP, NUM_TIMERS,
-};
-
-#define IS_TIMER1(id)    (id & 0x2)
-#define IS_TIMER0(id)    (!IS_TIMER1(id))
-#define IS_TIMER_TOP(id) ((id & 0x1))
-#define IS_TIMER_BOT(id) (!IS_TIMER_TOP(id))
-
-static int timer_irqs[NUM_TIMERS] = {
-        IRQ_TINT0_TINT12,
-        IRQ_TINT0_TINT34,
-        IRQ_TINT1_TINT12,
-        IRQ_TINT1_TINT34,
-};
-
 /*
  * This driver configures the 2 64-bit count-up timers as 4 independent
  * 32-bit count-up timers used as follows:
- *
- * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
- * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
- * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
- * T1_TOP: Timer 1, top   :  <unused>
  */
-#define TID_CLOCKEVENT  T0_BOT
-#define TID_CLOCKSOURCE T0_TOP
+
+enum {
+        TID_CLOCKEVENT,
+        TID_CLOCKSOURCE,
+};
 
 /* Timer register offsets */
-#define PID12                        0x0
-#define TIM12                        0x10
-#define TIM34                        0x14
-#define PRD12                        0x18
-#define PRD34                        0x1c
-#define TCR                          0x20
-#define TGCR                         0x24
-#define WDTCR                        0x28
+#define PID12                   0x0
+#define TIM12                   0x10
+#define TIM34                   0x14
+#define PRD12                   0x18
+#define PRD34                   0x1c
+#define TCR                     0x20
+#define TGCR                    0x24
+#define WDTCR                   0x28
+
+/* Offsets of the 8 compare registers */
+#define CMP12_0                 0x60
+#define CMP12_1                 0x64
+#define CMP12_2                 0x68
+#define CMP12_3                 0x6c
+#define CMP12_4                 0x70
+#define CMP12_5                 0x74
+#define CMP12_6                 0x78
+#define CMP12_7                 0x7c
 
 /* Timer register bitfields */
 #define TCR_ENAMODE_DISABLE          0x0
@@ -105,6 +95,7 @@ struct timer_s {
         unsigned int id;
         unsigned long period;
         unsigned long opts;
+        unsigned long flags;
         void __iomem *base;
         unsigned long tim_off;
         unsigned long prd_off;
@@ -114,30 +105,58 @@ struct timer_s {
 static struct timer_s timers[];
 
 /* values for 'opts' field of struct timer_s */
-#define TIMER_OPTS_DISABLED   0x00
-#define TIMER_OPTS_ONESHOT    0x01
-#define TIMER_OPTS_PERIODIC   0x02
+#define TIMER_OPTS_DISABLED             0x01
+#define TIMER_OPTS_ONESHOT              0x02
+#define TIMER_OPTS_PERIODIC             0x04
+#define TIMER_OPTS_STATE_MASK           0x07
+
+#define TIMER_OPTS_USE_COMPARE          0x80000000
+#define USING_COMPARE(t)                ((t)->opts & TIMER_OPTS_USE_COMPARE)
+
+static char *id_to_name[] = {
+        [T0_BOT]        = "timer0_0",
+        [T0_TOP]        = "timer0_1",
+        [T1_BOT]        = "timer1_0",
+        [T1_TOP]        = "timer1_1",
+};
 
 static int timer32_config(struct timer_s *t)
 {
-        u32 tcr = __raw_readl(t->base + TCR);
-
-        /* disable timer */
-        tcr &= ~(TCR_ENAMODE_MASK << t->enamode_shift);
-        __raw_writel(tcr, t->base + TCR);
-
-        /* reset counter to zero, set new period */
-        __raw_writel(0, t->base + t->tim_off);
-        __raw_writel(t->period, t->base + t->prd_off);
-
-        /* Set enable mode */
-        if (t->opts & TIMER_OPTS_ONESHOT) {
-                tcr |= TCR_ENAMODE_ONESHOT << t->enamode_shift;
-        } else if (t->opts & TIMER_OPTS_PERIODIC) {
-                tcr |= TCR_ENAMODE_PERIODIC << t->enamode_shift;
+        u32 tcr;
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
+
+        if (USING_COMPARE(t)) {
+                struct davinci_timer_instance *dtip =
+                                soc_info->timer_info->timers;
+                int event_timer = ID_TO_TIMER(timers[TID_CLOCKEVENT].id);
+
+                /*
+                 * Next interrupt should be the current time reg value plus
+                 * the new period (using 32-bit unsigned addition/wrapping
+                 * to 0 on overflow).  This assumes that the clocksource
+                 * is setup to count to 2^32-1 before wrapping around to 0.
+                 */
+                __raw_writel(__raw_readl(t->base + t->tim_off) + t->period,
+                        t->base + dtip[event_timer].cmp_off);
+        } else {
+                tcr = __raw_readl(t->base + TCR);
+
+                /* disable timer */
+                tcr &= ~(TCR_ENAMODE_MASK << t->enamode_shift);
+                __raw_writel(tcr, t->base + TCR);
+
+                /* reset counter to zero, set new period */
+                __raw_writel(0, t->base + t->tim_off);
+                __raw_writel(t->period, t->base + t->prd_off);
+
+                /* Set enable mode */
+                if (t->opts & TIMER_OPTS_ONESHOT)
+                        tcr |= TCR_ENAMODE_ONESHOT << t->enamode_shift;
+                else if (t->opts & TIMER_OPTS_PERIODIC)
+                        tcr |= TCR_ENAMODE_PERIODIC << t->enamode_shift;
+
+                __raw_writel(tcr, t->base + TCR);
         }
-
-        __raw_writel(tcr, t->base + TCR);
         return 0;
 }
 
@@ -182,13 +201,14 @@ static struct timer_s timers[] = {
 
 static void __init timer_init(void)
 {
-        u32 phys_bases[] = {DAVINCI_TIMER0_BASE, DAVINCI_TIMER1_BASE};
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
+        struct davinci_timer_instance *dtip = soc_info->timer_info->timers;
         int i;
 
         /* Global init of each 64-bit timer as a whole */
         for(i=0; i<2; i++) {
                 u32 tgcr;
-                void __iomem *base = IO_ADDRESS(phys_bases[i]);
+                void __iomem *base = dtip[i].base;
 
                 /* Disabled, Internal clock source */
                 __raw_writel(0, base + TCR);
@@ -214,33 +234,33 @@ static void __init timer_init(void)
         /* Init of each timer as a 32-bit timer */
         for (i=0; i< ARRAY_SIZE(timers); i++) {
                 struct timer_s *t = &timers[i];
-                u32 phys_base;
-
-                if (t->name) {
-                        t->id = i;
-                        phys_base = (IS_TIMER1(t->id) ?
-                               DAVINCI_TIMER1_BASE : DAVINCI_TIMER0_BASE);
-                        t->base = IO_ADDRESS(phys_base);
-
-                        if (IS_TIMER_BOT(t->id)) {
-                                t->enamode_shift = 6;
-                                t->tim_off = TIM12;
-                                t->prd_off = PRD12;
-                        } else {
-                                t->enamode_shift = 22;
-                                t->tim_off = TIM34;
-                                t->prd_off = PRD34;
-                        }
-
-                        /* Register interrupt */
-                        t->irqaction.name = t->name;
-                        t->irqaction.dev_id = (void *)t;
-                        if (t->irqaction.handler != NULL) {
-                                setup_irq(timer_irqs[t->id], &t->irqaction);
-                        }
-
-                        timer32_config(&timers[i]);
+                int timer = ID_TO_TIMER(t->id);
+                u32 irq;
+
+                t->base = dtip[timer].base;
+
+                if (IS_TIMER_BOT(t->id)) {
+                        t->enamode_shift = 6;
+                        t->tim_off = TIM12;
+                        t->prd_off = PRD12;
+                        irq = dtip[timer].bottom_irq;
+                } else {
+                        t->enamode_shift = 22;
+                        t->tim_off = TIM34;
+                        t->prd_off = PRD34;
+                        irq = dtip[timer].top_irq;
+                }
+
+                /* Register interrupt */
+                t->irqaction.name = t->name;
+                t->irqaction.dev_id = (void *)t;
+
+                if (t->irqaction.handler != NULL) {
+                        irq = USING_COMPARE(t) ? dtip[i].cmp_irq : irq;
+                        setup_irq(irq, &t->irqaction);
                 }
+
+                timer32_config(&timers[i]);
         }
 }
 
@@ -255,7 +275,6 @@ static cycle_t read_cycles(struct clocksource *cs)
 }
 
 static struct clocksource clocksource_davinci = {
-        .name           = "timer0_1",
         .rating         = 300,
         .read           = read_cycles,
         .mask           = CLOCKSOURCE_MASK(32),
@@ -284,15 +303,18 @@ static void davinci_set_mode(enum clock_event_mode mode,
         switch (mode) {
         case CLOCK_EVT_MODE_PERIODIC:
                 t->period = davinci_clock_tick_rate / (HZ);
-                t->opts = TIMER_OPTS_PERIODIC;
+                t->opts &= ~TIMER_OPTS_STATE_MASK;
+                t->opts |= TIMER_OPTS_PERIODIC;
                 timer32_config(t);
                 break;
         case CLOCK_EVT_MODE_ONESHOT:
-                t->opts = TIMER_OPTS_ONESHOT;
+                t->opts &= ~TIMER_OPTS_STATE_MASK;
+                t->opts |= TIMER_OPTS_ONESHOT;
                 break;
         case CLOCK_EVT_MODE_UNUSED:
         case CLOCK_EVT_MODE_SHUTDOWN:
-                t->opts = TIMER_OPTS_DISABLED;
+                t->opts &= ~TIMER_OPTS_STATE_MASK;
+                t->opts |= TIMER_OPTS_DISABLED;
                 break;
         case CLOCK_EVT_MODE_RESUME:
                 break;
@@ -300,7 +322,6 @@ static void davinci_set_mode(enum clock_event_mode mode,
 }
 
 static struct clock_event_device clockevent_davinci = {
-        .name           = "timer0_0",
         .features       = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
         .shift          = 32,
         .set_next_event = davinci_set_next_event,
@@ -311,10 +332,42 @@ static struct clock_event_device clockevent_davinci = {
 static void __init davinci_timer_init(void)
 {
         struct clk *timer_clk;
-
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
+        unsigned int clockevent_id;
+        unsigned int clocksource_id;
         static char err[] __initdata = KERN_ERR
                 "%s: can't register clocksource!\n";
 
+        clockevent_id = soc_info->timer_info->clockevent_id;
+        clocksource_id = soc_info->timer_info->clocksource_id;
+
+        timers[TID_CLOCKEVENT].id = clockevent_id;
+        timers[TID_CLOCKSOURCE].id = clocksource_id;
+
+        /*
+         * If using same timer for both clock events & clocksource,
+         * a compare register must be used to generate an event interrupt.
+         * This is equivalent to a oneshot timer only (not periodic).
+         */
+        if (clockevent_id == clocksource_id) {
+                struct davinci_timer_instance *dtip =
+                                soc_info->timer_info->timers;
+                int event_timer = ID_TO_TIMER(clockevent_id);
+
+                /* Only bottom timers can use compare regs */
+                if (IS_TIMER_TOP(clockevent_id))
+                        pr_warning("davinci_timer_init: Invalid use"
+                                " of system timers.  Results unpredictable.\n");
+                else if ((dtip[event_timer].cmp_off == 0)
+                                || (dtip[event_timer].cmp_irq == 0))
+                        pr_warning("davinci_timer_init:  Invalid timer instance"
+                                " setup.  Results unpredictable.\n");
+                else {
+                        timers[TID_CLOCKEVENT].opts |= TIMER_OPTS_USE_COMPARE;
+                        clockevent_davinci.features = CLOCK_EVT_FEAT_ONESHOT;
+                }
+        }
+
         /* init timer hw */
         timer_init();
 
@@ -325,6 +378,7 @@ static void __init davinci_timer_init(void)
         davinci_clock_tick_rate = clk_get_rate(timer_clk);
 
         /* setup clocksource */
+        clocksource_davinci.name = id_to_name[clocksource_id];
         clocksource_davinci.mult =
                 clocksource_khz2mult(davinci_clock_tick_rate/1000,
                                      clocksource_davinci.shift);
@@ -332,12 +386,12 @@ static void __init davinci_timer_init(void)
                 printk(err, clocksource_davinci.name);
 
         /* setup clockevent */
+        clockevent_davinci.name = id_to_name[timers[TID_CLOCKEVENT].id];
         clockevent_davinci.mult = div_sc(davinci_clock_tick_rate, NSEC_PER_SEC,
                                          clockevent_davinci.shift);
         clockevent_davinci.max_delta_ns =
                 clockevent_delta2ns(0xfffffffe, &clockevent_davinci);
-        clockevent_davinci.min_delta_ns =
-                clockevent_delta2ns(1, &clockevent_davinci);
+        clockevent_davinci.min_delta_ns = 50000; /* 50 usec */
 
         clockevent_davinci.cpumask = cpumask_of(0);
         clockevents_register_device(&clockevent_davinci);
@@ -349,15 +403,14 @@ struct sys_timer davinci_timer = {
 
 
 /* reset board using watchdog timer */
-void davinci_watchdog_reset(void) {
+void davinci_watchdog_reset(void)
+{
         u32 tgcr, wdtcr;
-        void __iomem *base = IO_ADDRESS(DAVINCI_WDOG_BASE);
-        struct device dev;
+        struct davinci_soc_info *soc_info = &davinci_soc_info;
+        void __iomem *base = soc_info->wdt_base;
         struct clk *wd_clk;
-        char *name = "watchdog";
 
-        dev_set_name(&dev, name);
-        wd_clk = clk_get(&dev, NULL);
+        wd_clk = clk_get(&davinci_wdt_device.dev, NULL);
         if (WARN_ON(IS_ERR(wd_clk)))
                 return;
         clk_enable(wd_clk);
diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c
index e8ebeaea6c4..b2eede5531c 100644
--- a/arch/arm/mach-ep93xx/clock.c
+++ b/arch/arm/mach-ep93xx/clock.c
@@ -21,15 +21,50 @@
 #include <asm/div64.h>
 #include <mach/hardware.h>
 
+
+/*
+ * The EP93xx has two external crystal oscillators.  To generate the
+ * required high-frequency clocks, the processor uses two phase-locked-
+ * loops (PLLs) to multiply the incoming external clock signal to much
+ * higher frequencies that are then divided down by programmable dividers
+ * to produce the needed clocks.  The PLLs operate independently of one
+ * another.
+ */
+#define EP93XX_EXT_CLK_RATE     14745600
+#define EP93XX_EXT_RTC_RATE     32768
+
+
 struct clk {
         unsigned long   rate;
         int             users;
+        int             sw_locked;
         u32             enable_reg;
         u32             enable_mask;
+
+        unsigned long   (*get_rate)(struct clk *clk);
 };
 
-static struct clk clk_uart = {
-        .rate           = 14745600,
+
+static unsigned long get_uart_rate(struct clk *clk);
+
+
+static struct clk clk_uart1 = {
+        .sw_locked      = 1,
+        .enable_reg     = EP93XX_SYSCON_DEVICE_CONFIG,
+        .enable_mask    = EP93XX_SYSCON_DEVICE_CONFIG_U1EN,
+        .get_rate       = get_uart_rate,
+};
+static struct clk clk_uart2 = {
+        .sw_locked      = 1,
+        .enable_reg     = EP93XX_SYSCON_DEVICE_CONFIG,
+        .enable_mask    = EP93XX_SYSCON_DEVICE_CONFIG_U2EN,
+        .get_rate       = get_uart_rate,
+};
+static struct clk clk_uart3 = {
+        .sw_locked      = 1,
+        .enable_reg     = EP93XX_SYSCON_DEVICE_CONFIG,
+        .enable_mask    = EP93XX_SYSCON_DEVICE_CONFIG_U3EN,
+        .get_rate       = get_uart_rate,
 };
 static struct clk clk_pll1;
 static struct clk clk_f;
@@ -95,9 +130,9 @@ static struct clk clk_m2m1 = {
         { .dev_id = dev, .con_id = con, .clk = ck }
 
 static struct clk_lookup clocks[] = {
-        INIT_CK("apb:uart1", NULL, &clk_uart),
-        INIT_CK("apb:uart2", NULL, &clk_uart),
-        INIT_CK("apb:uart3", NULL, &clk_uart),
+        INIT_CK("apb:uart1", NULL, &clk_uart1),
+        INIT_CK("apb:uart2", NULL, &clk_uart2),
+        INIT_CK("apb:uart3", NULL, &clk_uart3),
         INIT_CK(NULL, "pll1", &clk_pll1),
         INIT_CK(NULL, "fclk", &clk_f),
         INIT_CK(NULL, "hclk", &clk_h),
@@ -125,6 +160,8 @@ int clk_enable(struct clk *clk)
                 u32 value;
 
                 value = __raw_readl(clk->enable_reg);
+                if (clk->sw_locked)
+                        __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
                 __raw_writel(value | clk->enable_mask, clk->enable_reg);
         }
 
@@ -138,13 +175,29 @@ void clk_disable(struct clk *clk)
                 u32 value;
 
                 value = __raw_readl(clk->enable_reg);
+                if (clk->sw_locked)
+                        __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
                 __raw_writel(value & ~clk->enable_mask, clk->enable_reg);
         }
 }
 EXPORT_SYMBOL(clk_disable);
 
+static unsigned long get_uart_rate(struct clk *clk)
+{
+        u32 value;
+
+        value = __raw_readl(EP93XX_SYSCON_CLOCK_CONTROL);
+        if (value & EP93XX_SYSCON_CLOCK_UARTBAUD)
+                return EP93XX_EXT_CLK_RATE;
+        else
+                return EP93XX_EXT_CLK_RATE / 2;
+}
+
 unsigned long clk_get_rate(struct clk *clk)
 {
+        if (clk->get_rate)
+                return clk->get_rate(clk);
+
         return clk->rate;
 }
 EXPORT_SYMBOL(clk_get_rate);
@@ -162,7 +215,7 @@ static unsigned long calc_pll_rate(u32 config_word)
         unsigned long long rate;
         int i;
 
-        rate = 14745600;
+        rate = EP93XX_EXT_CLK_RATE;
         rate *= ((config_word >> 11) & 0x1f) + 1;               /* X1FBD */
         rate *= ((config_word >> 5) & 0x3f) + 1;                /* X2FBD */
         do_div(rate, (config_word & 0x1f) + 1);                 /* X2IPD */
@@ -195,7 +248,7 @@ static int __init ep93xx_clock_init(void)
 
         value = __raw_readl(EP93XX_SYSCON_CLOCK_SET1);
         if (!(value & 0x00800000)) {                    /* PLL1 bypassed?  */
-                clk_pll1.rate = 14745600;
+                clk_pll1.rate = EP93XX_EXT_CLK_RATE;
         } else {
                 clk_pll1.rate = calc_pll_rate(value);
         }
@@ -206,7 +259,7 @@ static int __init ep93xx_clock_init(void)
 
         value = __raw_readl(EP93XX_SYSCON_CLOCK_SET2);
         if (!(value & 0x00080000)) {                    /* PLL2 bypassed?  */
-                clk_pll2.rate = 14745600;
+                clk_pll2.rate = EP93XX_EXT_CLK_RATE;
         } else if (value & 0x00040000) {                /* PLL2 enabled?  */
                 clk_pll2.rate = calc_pll_rate(value);
         } else {
diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
index 78ac1bddc8b..420f71b8512 100644
--- a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
+++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
@@ -160,7 +160,10 @@
 #define EP93XX_SYSCON_CLOCK_SET1        EP93XX_SYSCON_REG(0x20)
 #define EP93XX_SYSCON_CLOCK_SET2        EP93XX_SYSCON_REG(0x24)
 #define EP93XX_SYSCON_DEVICE_CONFIG     EP93XX_SYSCON_REG(0x80)
-#define EP93XX_SYSCON_DEVICE_CONFIG_CRUNCH_ENABLE       0x00800000
+#define EP93XX_SYSCON_DEVICE_CONFIG_U3EN                (1<<24)
+#define EP93XX_SYSCON_DEVICE_CONFIG_CRUNCH_ENABLE       (1<<23)
+#define EP93XX_SYSCON_DEVICE_CONFIG_U2EN                (1<<20)
+#define EP93XX_SYSCON_DEVICE_CONFIG_U1EN                (1<<18)
 #define EP93XX_SYSCON_SWLOCK            EP93XX_SYSCON_REG(0xc0)
 
 #define EP93XX_WATCHDOG_BASE            (EP93XX_APB_VIRT_BASE + 0x00140000)
diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c
index 6f887291307..a0f60e55da6 100644
--- a/arch/arm/mach-integrator/core.c
+++ b/arch/arm/mach-integrator/core.c
@@ -121,7 +121,7 @@ static struct clk uartclk = {
         .rate   = 14745600,
 };
 
-static struct clk_lookup lookups[] __initdata = {
+static struct clk_lookup lookups[] = {
         {       /* UART0 */
                 .dev_id         = "mb:16",
                 .clk            = &uartclk,
diff --git a/arch/arm/mach-l7200/include/mach/sys-clock.h b/arch/arm/mach-l7200/include/mach/sys-clock.h
index 2d7722be60e..e9729a35751 100644
--- a/arch/arm/mach-l7200/include/mach/sys-clock.h
+++ b/arch/arm/mach-l7200/include/mach/sys-clock.h
@@ -18,7 +18,7 @@
 
 /* IO_START and IO_BASE are defined in hardware.h */
 
-#define SYS_CLOCK_START (IO_START + SYS_CLCOK_OFF)  /* Physical address */
+#define SYS_CLOCK_START (IO_START + SYS_CLOCK_OFF)  /* Physical address */
 #define SYS_CLOCK_BASE  (IO_BASE  + SYS_CLOCK_OFF)  /* Virtual address  */
 
 /* Define the interface to the SYS_CLOCK */
diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c
index efc59c49341..e4cef333e29 100644
--- a/arch/arm/mach-omap2/clock24xx.c
+++ b/arch/arm/mach-omap2/clock24xx.c
@@ -103,10 +103,10 @@ static struct omap_clk omap24xx_clks[] = {
         CLK(NULL,       "mdm_ick",      &mdm_ick,       CK_243X),
         CLK(NULL,       "mdm_osc_ck",   &mdm_osc_ck,    CK_243X),
         /* DSS domain clocks */
-        CLK(NULL,       "dss_ick",      &dss_ick,       CK_243X | CK_242X),
-        CLK(NULL,       "dss1_fck",     &dss1_fck,      CK_243X | CK_242X),
-        CLK(NULL,       "dss2_fck",     &dss2_fck,      CK_243X | CK_242X),
-        CLK(NULL,       "dss_54m_fck",  &dss_54m_fck,   CK_243X | CK_242X),
+        CLK("omapfb",   "ick",          &dss_ick,       CK_243X | CK_242X),
+        CLK("omapfb",   "dss1_fck",     &dss1_fck,      CK_243X | CK_242X),
+        CLK("omapfb",   "dss2_fck",     &dss2_fck,      CK_243X | CK_242X),
+        CLK("omapfb",   "tv_fck",       &dss_54m_fck,   CK_243X | CK_242X),
         /* L3 domain clocks */
         CLK(NULL,       "core_l3_ck",   &core_l3_ck,    CK_243X | CK_242X),
         CLK(NULL,       "ssi_fck",      &ssi_ssr_sst_fck, CK_243X | CK_242X),
@@ -206,7 +206,7 @@ static struct omap_clk omap24xx_clks[] = {
         CLK(NULL,       "aes_ick",      &aes_ick,       CK_243X | CK_242X),
         CLK(NULL,       "pka_ick",      &pka_ick,       CK_243X | CK_242X),
         CLK(NULL,       "usb_fck",      &usb_fck,       CK_243X | CK_242X),
-        CLK(NULL,       "usbhs_ick",    &usbhs_ick,     CK_243X),
+        CLK("musb_hdrc",        "ick",  &usbhs_ick,     CK_243X),
         CLK("mmci-omap-hs.0", "ick",    &mmchs1_ick,    CK_243X),
         CLK("mmci-omap-hs.0", "fck",    &mmchs1_fck,    CK_243X),
         CLK("mmci-omap-hs.1", "ick",    &mmchs2_ick,    CK_243X),
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index 0a14dca31e3..ba05aa42bd8 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -157,7 +157,7 @@ static struct omap_clk omap34xx_clks[] = {
         CLK(NULL,       "ssi_ssr_fck",  &ssi_ssr_fck,   CK_343X),
         CLK(NULL,       "ssi_sst_fck",  &ssi_sst_fck,   CK_343X),
         CLK(NULL,       "core_l3_ick",  &core_l3_ick,   CK_343X),
-        CLK(NULL,       "hsotgusb_ick", &hsotgusb_ick,  CK_343X),
+        CLK("musb_hdrc",        "ick",  &hsotgusb_ick,  CK_343X),
         CLK(NULL,       "sdrc_ick",     &sdrc_ick,      CK_343X),
         CLK(NULL,       "gpmc_fck",     &gpmc_fck,      CK_343X),
         CLK(NULL,       "security_l3_ick", &security_l3_ick, CK_343X),
@@ -197,11 +197,11 @@ static struct omap_clk omap34xx_clks[] = {
         CLK("omap_rng", "ick",          &rng_ick,       CK_343X),
         CLK(NULL,       "sha11_ick",    &sha11_ick,     CK_343X),
         CLK(NULL,       "des1_ick",     &des1_ick,      CK_343X),
-        CLK(NULL,       "dss1_alwon_fck", &dss1_alwon_fck, CK_343X),
-        CLK(NULL,       "dss_tv_fck",   &dss_tv_fck,    CK_343X),
-        CLK(NULL,       "dss_96m_fck",  &dss_96m_fck,   CK_343X),
-        CLK(NULL,       "dss2_alwon_fck", &dss2_alwon_fck, CK_343X),
-        CLK(NULL,       "dss_ick",      &dss_ick,       CK_343X),
+        CLK("omapfb",   "dss1_fck",     &dss1_alwon_fck, CK_343X),
+        CLK("omapfb",   "tv_fck",       &dss_tv_fck,    CK_343X),
+        CLK("omapfb",   "video_fck",    &dss_96m_fck,   CK_343X),
+        CLK("omapfb",   "dss2_fck",     &dss2_alwon_fck, CK_343X),
+        CLK("omapfb",   "ick",          &dss_ick,       CK_343X),
         CLK(NULL,       "cam_mclk",     &cam_mclk,      CK_343X),
         CLK(NULL,       "cam_ick",      &cam_ick,       CK_343X),
         CLK(NULL,       "csi2_96m_fck", &csi2_96m_fck,  CK_343X),
diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h
index 6763b8f7302..017a30e9aa1 100644
--- a/arch/arm/mach-omap2/clock34xx.h
+++ b/arch/arm/mach-omap2/clock34xx.h
@@ -2182,7 +2182,7 @@ static struct clk wkup_32k_fck = {
 
 static struct clk gpio1_dbck = {
         .name           = "gpio1_dbck",
-        .ops            = &clkops_omap2_dflt_wait,
+        .ops            = &clkops_omap2_dflt,
         .parent         = &wkup_32k_fck,
         .enable_reg     = OMAP_CM_REGADDR(WKUP_MOD, CM_FCLKEN),
         .enable_bit     = OMAP3430_EN_GPIO1_SHIFT,
@@ -2427,7 +2427,7 @@ static struct clk per_32k_alwon_fck = {
 
 static struct clk gpio6_dbck = {
         .name           = "gpio6_dbck",
-        .ops            = &clkops_omap2_dflt_wait,
+        .ops            = &clkops_omap2_dflt,
         .parent         = &per_32k_alwon_fck,
         .enable_reg     = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
         .enable_bit     = OMAP3430_EN_GPIO6_SHIFT,
@@ -2437,7 +2437,7 @@ static struct clk gpio6_dbck = {
 
 static struct clk gpio5_dbck = {
         .name           = "gpio5_dbck",
-        .ops            = &clkops_omap2_dflt_wait,
+        .ops            = &clkops_omap2_dflt,
         .parent         = &per_32k_alwon_fck,
         .enable_reg     = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
         .enable_bit     = OMAP3430_EN_GPIO5_SHIFT,
@@ -2447,7 +2447,7 @@ static struct clk gpio5_dbck = {
 
 static struct clk gpio4_dbck = {
         .name           = "gpio4_dbck",
-        .ops            = &clkops_omap2_dflt_wait,
+        .ops            = &clkops_omap2_dflt,
         .parent         = &per_32k_alwon_fck,
         .enable_reg     = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
         .enable_bit     = OMAP3430_EN_GPIO4_SHIFT,
@@ -2457,7 +2457,7 @@ static struct clk gpio4_dbck = {
 
 static struct clk gpio3_dbck = {
         .name           = "gpio3_dbck",
-        .ops            = &clkops_omap2_dflt_wait,
+        .ops            = &clkops_omap2_dflt,
         .parent         = &per_32k_alwon_fck,
         .enable_reg     = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
         .enable_bit     = OMAP3430_EN_GPIO3_SHIFT,
@@ -2467,7 +2467,7 @@ static struct clk gpio3_dbck = {
 
 static struct clk gpio2_dbck = {
         .name           = "gpio2_dbck",
-        .ops            = &clkops_omap2_dflt_wait,
+        .ops            = &clkops_omap2_dflt,
         .parent         = &per_32k_alwon_fck,
         .enable_reg     = OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
         .enable_bit     = OMAP3430_EN_GPIO2_SHIFT,
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 496983ade97..894cc355818 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -354,10 +354,12 @@ static void omap_init_mcspi(void)
         platform_device_register(&omap2_mcspi1);
         platform_device_register(&omap2_mcspi2);
 #if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3)
-        platform_device_register(&omap2_mcspi3);
+        if (cpu_is_omap2430() || cpu_is_omap343x())
+                platform_device_register(&omap2_mcspi3);
 #endif
 #ifdef CONFIG_ARCH_OMAP3
-        platform_device_register(&omap2_mcspi4);
+        if (cpu_is_omap343x())
+                platform_device_register(&omap2_mcspi4);
 #endif
 }
 
diff --git a/arch/arm/mach-omap2/prm-regbits-34xx.h b/arch/arm/mach-omap2/prm-regbits-34xx.h
index c6a7940f428..9fd03a2ec95 100644
--- a/arch/arm/mach-omap2/prm-regbits-34xx.h
+++ b/arch/arm/mach-omap2/prm-regbits-34xx.h
@@ -409,7 +409,7 @@
 /* PM_PREPWSTST_CAM specific bits */
 
 /* PM_PWSTCTRL_USBHOST specific bits */
-#define OMAP3430ES2_SAVEANDRESTORE_SHIFT                (1 << 4)
+#define OMAP3430ES2_SAVEANDRESTORE_SHIFT                4
 
 /* RM_RSTST_PER specific bits */
 
diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c
index 8df55f40f4c..8622c24cd27 100644
--- a/arch/arm/mach-omap2/usb-tusb6010.c
+++ b/arch/arm/mach-omap2/usb-tusb6010.c
@@ -187,7 +187,7 @@ int tusb6010_platform_retime(unsigned is_refclk)
         unsigned        sysclk_ps;
         int             status;
 
-        if (!refclk_psec || sysclk_ps == 0)
+        if (!refclk_psec || fclk_ps == 0)
                 return -ENODEV;
 
         sysclk_ps = is_refclk ? refclk_psec : TUSB6010_OSCCLK_60;
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index 0e65344e9f5..dd031cc4184 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -46,6 +46,7 @@
 #include <mach/audio.h>
 #include <mach/pxafb.h>
 #include <mach/i2c.h>
+#include <mach/regs-uart.h>
 #include <mach/viper.h>
 
 #include <asm/setup.h>
diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c
index 942e1a7eb9b..076acbc5070 100644
--- a/arch/arm/mach-realview/core.c
+++ b/arch/arm/mach-realview/core.c
@@ -750,14 +750,6 @@ void __init realview_timer_init(unsigned int timer_irq)
 {
         u32 val;
 
-#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
-        /*
-         * The dummy clock device has to be registered before the main device
-         * so that the latter will broadcast the clock events
-         */
-        local_timer_setup();
-#endif
-
         /* 
          * set clock frequency: 
          *      REALVIEW_REFCLK is 32KHz
diff --git a/arch/arm/mach-realview/include/mach/smp.h b/arch/arm/mach-realview/include/mach/smp.h
index 515819efd04..dd53892d44a 100644
--- a/arch/arm/mach-realview/include/mach/smp.h
+++ b/arch/arm/mach-realview/include/mach/smp.h
@@ -15,16 +15,9 @@
 /*
  * We use IRQ1 as the IPI
  */
-static inline void smp_cross_call(cpumask_t callmap)
-{
-        gic_raise_softirq(callmap, 1);
-}
-
-/*
- * Do nothing on MPcore.
- */
-static inline void smp_cross_call_done(cpumask_t callmap)
+static inline void smp_cross_call(const struct cpumask *mask)
 {
+        gic_raise_softirq(mask, 1);
 }
 
 #endif
diff --git a/arch/arm/mach-realview/localtimer.c b/arch/arm/mach-realview/localtimer.c
index d0d39adf640..1c01d13460f 100644
--- a/arch/arm/mach-realview/localtimer.c
+++ b/arch/arm/mach-realview/localtimer.c
@@ -189,8 +189,10 @@ void __cpuinit local_timer_setup(void)
         struct clock_event_device *clk = &per_cpu(local_clockevent, cpu);
 
         clk->name               = "dummy_timer";
-        clk->features           = CLOCK_EVT_FEAT_DUMMY;
-        clk->rating             = 200;
+        clk->features           = CLOCK_EVT_FEAT_ONESHOT |
+                                  CLOCK_EVT_FEAT_PERIODIC |
+                                  CLOCK_EVT_FEAT_DUMMY;
+        clk->rating             = 400;
         clk->mult               = 1;
         clk->set_mode           = dummy_timer_set_mode;
         clk->broadcast          = smp_timer_broadcast;
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c
index ea3c75595fa..30a9c68591f 100644
--- a/arch/arm/mach-realview/platsmp.c
+++ b/arch/arm/mach-realview/platsmp.c
@@ -78,13 +78,6 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
         trace_hardirqs_off();
 
         /*
-         * the primary core may have used a "cross call" soft interrupt
-         * to get this processor out of WFI in the BootMonitor - make
-         * sure that we are no longer being sent this soft interrupt
-         */
-        smp_cross_call_done(cpumask_of_cpu(cpu));
-
-        /*
          * if any interrupts are already enabled for the primary
          * core (e.g. timer irq), then they will not have been enabled
          * for us: do so
@@ -136,7 +129,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
          * Use smp_cross_call() for this, since there's little
          * point duplicating the code here
          */
-        smp_cross_call(cpumask_of_cpu(cpu));
+        smp_cross_call(cpumask_of(cpu));
 
         timeout = jiffies + (1 * HZ);
         while (time_before(jiffies, timeout)) {
@@ -224,11 +217,9 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
         if (max_cpus > ncores)
                 max_cpus = ncores;
 
-#ifdef CONFIG_LOCAL_TIMERS
+#if defined(CONFIG_LOCAL_TIMERS) || defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)
         /*
-         * Enable the local timer for primary CPU. If the device is
-         * dummy (!CONFIG_LOCAL_TIMERS), it was already registers in
-         * realview_timer_init
+         * Enable the local timer or broadcast device for the boot CPU.
          */
         local_timer_setup();
 #endif
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 4389c160f7d..8637dea5e15 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -588,8 +588,6 @@ static void __init bast_map_io(void)
 
         s3c_device_nand.dev.platform_data = &bast_nand_info;
 
-        s3c_i2c0_set_platdata(&bast_i2c_info);
-
         s3c24xx_init_io(bast_iodesc, ARRAY_SIZE(bast_iodesc));
         s3c24xx_init_clocks(0);
         s3c24xx_init_uarts(bast_uartcfgs, ARRAY_SIZE(bast_uartcfgs));
@@ -602,6 +600,7 @@ static void __init bast_init(void)
         sysdev_class_register(&bast_pm_sysclass);
         sysdev_register(&bast_pm_sysdev);
 
+        s3c_i2c0_set_platdata(&bast_i2c_info);
         s3c24xx_fb_set_platdata(&bast_fb_info);
         platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices));
 
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 1f929c391af..b3bebcc5623 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -413,7 +413,7 @@ static struct clk ref24_clk = {
         .rate   = 24000000,
 };
 
-static struct clk_lookup lookups[] __initdata = {
+static struct clk_lookup lookups[] = {
         {       /* UART0 */
                 .dev_id         = "dev:f1",
                 .clk            = &ref24_clk,
diff --git a/arch/arm/nwfpe/fpa11.h b/arch/arm/nwfpe/fpa11.h
index 386cbd13eaf..d3a6f9298e9 100644
--- a/arch/arm/nwfpe/fpa11.h
+++ b/arch/arm/nwfpe/fpa11.h
@@ -114,4 +114,8 @@ extern unsigned int SingleCPDO(struct roundingData *roundData,
 extern unsigned int DoubleCPDO(struct roundingData *roundData,
                                const unsigned int opcode, FPREG * rFd);
 
+/* extneded_cpdo.c */
+extern unsigned int ExtendedCPDO(struct roundingData *roundData,
+                                 const unsigned int opcode, FPREG * rFd);
+
 #endif
diff --git a/arch/arm/nwfpe/fpa11_cprt.c b/arch/arm/nwfpe/fpa11_cprt.c
index 9843dc53304..31c4eeec18b 100644
--- a/arch/arm/nwfpe/fpa11_cprt.c
+++ b/arch/arm/nwfpe/fpa11_cprt.c
@@ -27,10 +27,6 @@
 #include "fpmodule.inl"
 #include "softfloat.h"
 
-#ifdef CONFIG_FPE_NWFPE_XP
-extern flag floatx80_is_nan(floatx80);
-#endif
-
 unsigned int PerformFLT(const unsigned int opcode);
 unsigned int PerformFIX(const unsigned int opcode);
 
diff --git a/arch/arm/nwfpe/softfloat.h b/arch/arm/nwfpe/softfloat.h
index 260fe29d73f..13e479c5da5 100644
--- a/arch/arm/nwfpe/softfloat.h
+++ b/arch/arm/nwfpe/softfloat.h
@@ -226,6 +226,8 @@ char floatx80_le_quiet( floatx80, floatx80 );
 char floatx80_lt_quiet( floatx80, floatx80 );
 char floatx80_is_signaling_nan( floatx80 );
 
+extern flag floatx80_is_nan(floatx80);
+
 #endif
 
 static inline flag extractFloat32Sign(float32 a)
diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c
index ce6b4baeede..3746222bed1 100644
--- a/arch/arm/plat-omap/fb.c
+++ b/arch/arm/plat-omap/fb.c
@@ -206,9 +206,10 @@ void __init omapfb_reserve_sdram(void)
                         config_invalid = 1;
                         return;
                 }
-                if (rg.paddr)
+                if (rg.paddr) {
                         reserve_bootmem(rg.paddr, rg.size, BOOTMEM_DEFAULT);
-                reserved += rg.size;
+                        reserved += rg.size;
+                }
                 omapfb_config.mem_desc.region[i] = rg;
                 configured_regions++;
         }
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 17d7afe42b8..ee0b21f5b09 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -307,7 +307,7 @@ static inline int gpio_valid(int gpio)
                 return 0;
         if (cpu_is_omap24xx() && gpio < 128)
                 return 0;
-        if (cpu_is_omap34xx() && gpio < 160)
+        if (cpu_is_omap34xx() && gpio < 192)
                 return 0;
         return -1;
 }
diff --git a/arch/arm/plat-s3c/clock.c b/arch/arm/plat-s3c/clock.c
index b6be76e2fe5..4d01ef1a25d 100644
--- a/arch/arm/plat-s3c/clock.c
+++ b/arch/arm/plat-s3c/clock.c
@@ -306,8 +306,6 @@ struct clk s3c24xx_uclk = {
 
 int s3c24xx_register_clock(struct clk *clk)
 {
-        clk->owner = THIS_MODULE;
-
         if (clk->enable == NULL)
                 clk->enable = clk_null_enable;
 
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index aee2aeb46c6..07326f63236 100644
--- a/arch/arm/plat-s3c24xx/dma.c
+++ b/arch/arm/plat-s3c24xx/dma.c
@@ -1235,7 +1235,7 @@ int s3c2410_dma_getposition(unsigned int channel, dma_addr_t *src, dma_addr_t *d
 
 EXPORT_SYMBOL(s3c2410_dma_getposition);
 
-static struct s3c2410_dma_chan *to_dma_chan(struct sys_device *dev)
+static inline struct s3c2410_dma_chan *to_dma_chan(struct sys_device *dev)
 {
         return container_of(dev, struct s3c2410_dma_chan, dev);
 }
diff --git a/arch/arm/plat-s3c64xx/gpiolib.c b/arch/arm/plat-s3c64xx/gpiolib.c
index ee9188add8f..78ee52cffc9 100644
--- a/arch/arm/plat-s3c64xx/gpiolib.c
+++ b/arch/arm/plat-s3c64xx/gpiolib.c
@@ -57,7 +57,7 @@
 #if 1
 #define gpio_dbg(x...) do { } while(0)
 #else
-#define gpio_dbg(x...) printk(KERN_DEBUG ## x)
+#define gpio_dbg(x...) printk(KERN_DEBUG x)
 #endif
 
 /* The s3c64xx_gpiolib_4bit routines are to control the gpio banks where
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h
index 81549516572..2ba1767512d 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h
+++ b/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h
@@ -61,14 +61,14 @@
 #define S3C64XX_GPH7_ADDR_CF1           (0x06 << 28)
 #define S3C64XX_GPH7_EINT_G6_7          (0x07 << 28)
 
-#define S3C64XX_GPH8_MMC1_DATA6         (0x02 << 32)
-#define S3C64XX_GPH8_MMC2_DATA2         (0x03 << 32)
-#define S3C64XX_GPH8_I2S_V40_LRCLK      (0x05 << 32)
-#define S3C64XX_GPH8_ADDR_CF2           (0x06 << 32)
-#define S3C64XX_GPH8_EINT_G6_8          (0x07 << 32)
-
-#define S3C64XX_GPH9_MMC1_DATA7         (0x02 << 36)
-#define S3C64XX_GPH9_MMC2_DATA3         (0x03 << 36)
-#define S3C64XX_GPH9_I2S_V40_DI         (0x05 << 36)
-#define S3C64XX_GPH9_EINT_G6_9          (0x07 << 36)
+#define S3C64XX_GPH8_MMC1_DATA6         (0x02 <<  0)
+#define S3C64XX_GPH8_MMC2_DATA2         (0x03 <<  0)
+#define S3C64XX_GPH8_I2S_V40_LRCLK      (0x05 <<  0)
+#define S3C64XX_GPH8_ADDR_CF2           (0x06 <<  0)
+#define S3C64XX_GPH8_EINT_G6_8          (0x07 <<  0)
 
+#define S3C64XX_GPH9_OUTPUT             (0x01 <<  4)
+#define S3C64XX_GPH9_MMC1_DATA7         (0x02 <<  4)
+#define S3C64XX_GPH9_MMC2_DATA3         (0x03 <<  4)
+#define S3C64XX_GPH9_I2S_V40_DI         (0x05 <<  4)
+#define S3C64XX_GPH9_EINT_G6_9          (0x07 <<  4)