ARM: add base support for Marvell Dove SoC

The Marvell Dove (88AP510) is a high-performance, highly integrated,
low power SoC with high-end ARM-compatible processor (known as PJ4),
graphics processing unit, high-definition video decoding acceleration
hardware, and a broad range of peripherals.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

23 files changed, 2103 insertions, 0 deletions

diff --git a/arch/arm/mach-dove/Kconfig b/arch/arm/mach-dove/Kconfig
new file mode 100644
index 00000000000..3b9a32ace90
--- /dev/null
+++ b/arch/arm/mach-dove/Kconfig
@@ -0,0 +1,14 @@
+if ARCH_DOVE
+
+menu "Marvell Dove Implementations"
+
+config MACH_DOVE_DB
+	bool "Marvell DB-MV88AP510 Development Board"
+	select I2C_BOARDINFO
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Marvell DB-MV88AP510 Development Board.
+
+endmenu
+
+endif
diff --git a/arch/arm/mach-dove/Makefile b/arch/arm/mach-dove/Makefile
new file mode 100644
index 00000000000..7ab3be53f64
--- /dev/null
+++ b/arch/arm/mach-dove/Makefile
@@ -0,0 +1,3 @@
+obj-y				+= common.o addr-map.o irq.o pcie.o
+
+obj-$(CONFIG_MACH_DOVE_DB)	+= dove-db-setup.o
diff --git a/arch/arm/mach-dove/Makefile.boot b/arch/arm/mach-dove/Makefile.boot
new file mode 100644
index 00000000000..67039c3e0c4
--- /dev/null
+++ b/arch/arm/mach-dove/Makefile.boot
@@ -0,0 +1,3 @@
+   zreladdr-y	:= 0x00008000
+params_phys-y	:= 0x00000100
+initrd_phys-y	:= 0x00800000
diff --git a/arch/arm/mach-dove/addr-map.c b/arch/arm/mach-dove/addr-map.c
new file mode 100644
index 00000000000..00be4fc26dd
--- /dev/null
+++ b/arch/arm/mach-dove/addr-map.c
@@ -0,0 +1,149 @@
+/*
+ * arch/arm/mach-dove/addr-map.c
+ *
+ * Address map functions for Marvell Dove 88AP510 SoC
+ *
+ * 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/mbus.h>
+#include <linux/io.h>
+#include <asm/mach/arch.h>
+#include <asm/setup.h>
+#include "common.h"
+
+/*
+ * Generic Address Decode Windows bit settings
+ */
+#define TARGET_DDR		0x0
+#define TARGET_BOOTROM		0x1
+#define TARGET_CESA		0x3
+#define TARGET_PCIE0		0x4
+#define TARGET_PCIE1		0x8
+#define TARGET_SCRATCHPAD	0xd
+
+#define ATTR_CESA		0x01
+#define ATTR_BOOTROM		0xfd
+#define ATTR_DEV_SPI0_ROM	0xfe
+#define ATTR_DEV_SPI1_ROM	0xfb
+#define ATTR_PCIE_IO		0xe0
+#define ATTR_PCIE_MEM		0xe8
+#define ATTR_SCRATCHPAD		0x0
+
+/*
+ * CPU Address Decode Windows registers
+ */
+#define WIN_CTRL(n)	(BRIDGE_VIRT_BASE + ((n) << 4) + 0x0)
+#define WIN_BASE(n)	(BRIDGE_VIRT_BASE + ((n) << 4) + 0x4)
+#define WIN_REMAP_LO(n)	(BRIDGE_VIRT_BASE + ((n) << 4) + 0x8)
+#define WIN_REMAP_HI(n)	(BRIDGE_VIRT_BASE + ((n) << 4) + 0xc)
+
+struct mbus_dram_target_info dove_mbus_dram_info;
+
+static inline void __iomem *ddr_map_sc(int i)
+{
+	return (void __iomem *)(DOVE_MC_VIRT_BASE + 0x100 + ((i) << 4));
+}
+
+static int cpu_win_can_remap(int win)
+{
+	if (win < 4)
+		return 1;
+
+	return 0;
+}
+
+static void __init setup_cpu_win(int win, u32 base, u32 size,
+				 u8 target, u8 attr, int remap)
+{
+	u32 ctrl;
+
+	base &= 0xffff0000;
+	ctrl = ((size - 1) & 0xffff0000) | (attr << 8) | (target << 4) | 1;
+
+	writel(base, WIN_BASE(win));
+	writel(ctrl, WIN_CTRL(win));
+	if (cpu_win_can_remap(win)) {
+		if (remap < 0)
+			remap = base;
+		writel(remap & 0xffff0000, WIN_REMAP_LO(win));
+		writel(0, WIN_REMAP_HI(win));
+	}
+}
+
+void __init dove_setup_cpu_mbus(void)
+{
+	int i;
+	int cs;
+
+	/*
+	 * First, disable and clear windows.
+	 */
+	for (i = 0; i < 8; i++) {
+		writel(0, WIN_BASE(i));
+		writel(0, WIN_CTRL(i));
+		if (cpu_win_can_remap(i)) {
+			writel(0, WIN_REMAP_LO(i));
+			writel(0, WIN_REMAP_HI(i));
+		}
+	}
+
+	/*
+	 * Setup windows for PCIe IO+MEM space.
+	 */
+	setup_cpu_win(0, DOVE_PCIE0_IO_PHYS_BASE, DOVE_PCIE0_IO_SIZE,
+		      TARGET_PCIE0, ATTR_PCIE_IO, DOVE_PCIE0_IO_BUS_BASE);
+	setup_cpu_win(1, DOVE_PCIE1_IO_PHYS_BASE, DOVE_PCIE1_IO_SIZE,
+		      TARGET_PCIE1, ATTR_PCIE_IO, DOVE_PCIE1_IO_BUS_BASE);
+	setup_cpu_win(2, DOVE_PCIE0_MEM_PHYS_BASE, DOVE_PCIE0_MEM_SIZE,
+		      TARGET_PCIE0, ATTR_PCIE_MEM, -1);
+	setup_cpu_win(3, DOVE_PCIE1_MEM_PHYS_BASE, DOVE_PCIE1_MEM_SIZE,
+		      TARGET_PCIE1, ATTR_PCIE_MEM, -1);
+
+	/*
+	 * Setup window for CESA engine.
+	 */
+	setup_cpu_win(4, DOVE_CESA_PHYS_BASE, DOVE_CESA_SIZE,
+		      TARGET_CESA, ATTR_CESA, -1);
+
+	/*
+	 * Setup the Window to the BootROM for Standby and Sleep Resume
+	 */
+	setup_cpu_win(5, DOVE_BOOTROM_PHYS_BASE, DOVE_BOOTROM_SIZE,
+		      TARGET_BOOTROM, ATTR_BOOTROM, -1);
+
+	/*
+	 * Setup the Window to the PMU Scratch Pad space
+	 */
+	setup_cpu_win(6, DOVE_SCRATCHPAD_PHYS_BASE, DOVE_SCRATCHPAD_SIZE,
+		      TARGET_SCRATCHPAD, ATTR_SCRATCHPAD, -1);
+
+	/*
+	 * Setup MBUS dram target info.
+	 */
+	dove_mbus_dram_info.mbus_dram_target_id = TARGET_DDR;
+
+	for (i = 0, cs = 0; i < 2; i++) {
+		u32 map = readl(ddr_map_sc(i));
+
+		/*
+		 * Chip select enabled?
+		 */
+		if (map & 1) {
+			struct mbus_dram_window *w;
+
+			w = &dove_mbus_dram_info.cs[cs++];
+			w->cs_index = i;
+			w->mbus_attr = 0; /* CS address decoding done inside */
+					  /* the DDR controller, no need to  */
+					  /* provide attributes */
+			w->base = map & 0xff800000;
+			w->size = 0x100000 << (((map & 0x000f0000) >> 16) - 4);
+		}
+	}
+	dove_mbus_dram_info.num_cs = cs;
+}
diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c
new file mode 100644
index 00000000000..a20cf099cd9
--- /dev/null
+++ b/arch/arm/mach-dove/common.c
@@ -0,0 +1,777 @@
+/*
+ * arch/arm/mach-dove/common.c
+ *
+ * Core functions for Marvell Dove 88AP510 System On Chip
+ *
+ * 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/delay.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/serial_8250.h>
+#include <linux/clk.h>
+#include <linux/mbus.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/mv643xx_i2c.h>
+#include <linux/ata_platform.h>
+#include <linux/spi/orion_spi.h>
+#include <linux/gpio.h>
+#include <asm/page.h>
+#include <asm/setup.h>
+#include <asm/timex.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <asm/mach/pci.h>
+#include <mach/dove.h>
+#include <mach/bridge-regs.h>
+#include <asm/mach/arch.h>
+#include <linux/irq.h>
+#include <plat/mv_xor.h>
+#include <plat/ehci-orion.h>
+#include <plat/time.h>
+#include "common.h"
+
+/*****************************************************************************
+ * I/O Address Mapping
+ ****************************************************************************/
+static struct map_desc dove_io_desc[] __initdata = {
+	{
+		.virtual	= DOVE_SB_REGS_VIRT_BASE,
+		.pfn		= __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE),
+		.length		= DOVE_SB_REGS_SIZE,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= DOVE_NB_REGS_VIRT_BASE,
+		.pfn		= __phys_to_pfn(DOVE_NB_REGS_PHYS_BASE),
+		.length		= DOVE_NB_REGS_SIZE,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= DOVE_PCIE0_IO_VIRT_BASE,
+		.pfn		= __phys_to_pfn(DOVE_PCIE0_IO_PHYS_BASE),
+		.length		= DOVE_PCIE0_IO_SIZE,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= DOVE_PCIE1_IO_VIRT_BASE,
+		.pfn		= __phys_to_pfn(DOVE_PCIE1_IO_PHYS_BASE),
+		.length		= DOVE_PCIE1_IO_SIZE,
+		.type		= MT_DEVICE,
+	},
+};
+
+void __init dove_map_io(void)
+{
+	iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc));
+}
+
+/*****************************************************************************
+ * EHCI
+ ****************************************************************************/
+static struct orion_ehci_data dove_ehci_data = {
+	.dram		= &dove_mbus_dram_info,
+	.phy_version	= EHCI_PHY_NA,
+};
+
+static u64 ehci_dmamask = DMA_BIT_MASK(32);
+
+/*****************************************************************************
+ * EHCI0
+ ****************************************************************************/
+static struct resource dove_ehci0_resources[] = {
+	{
+		.start	= DOVE_USB0_PHYS_BASE,
+		.end	= DOVE_USB0_PHYS_BASE + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_DOVE_USB0,
+		.end	= IRQ_DOVE_USB0,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dove_ehci0 = {
+	.name		= "orion-ehci",
+	.id		= 0,
+	.dev		= {
+		.dma_mask		= &ehci_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data		= &dove_ehci_data,
+	},
+	.resource	= dove_ehci0_resources,
+	.num_resources	= ARRAY_SIZE(dove_ehci0_resources),
+};
+
+void __init dove_ehci0_init(void)
+{
+	platform_device_register(&dove_ehci0);
+}
+
+/*****************************************************************************
+ * EHCI1
+ ****************************************************************************/
+static struct resource dove_ehci1_resources[] = {
+	{
+		.start	= DOVE_USB1_PHYS_BASE,
+		.end	= DOVE_USB1_PHYS_BASE + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_DOVE_USB1,
+		.end	= IRQ_DOVE_USB1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dove_ehci1 = {
+	.name		= "orion-ehci",
+	.id		= 1,
+	.dev		= {
+		.dma_mask		= &ehci_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data		= &dove_ehci_data,
+	},
+	.resource	= dove_ehci1_resources,
+	.num_resources	= ARRAY_SIZE(dove_ehci1_resources),
+};
+
+void __init dove_ehci1_init(void)
+{
+	platform_device_register(&dove_ehci1);
+}
+
+/*****************************************************************************
+ * GE00
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data dove_ge00_shared_data = {
+	.t_clk		= 0,
+	.dram		= &dove_mbus_dram_info,
+};
+
+static struct resource dove_ge00_shared_resources[] = {
+	{
+		.name	= "ge00 base",
+		.start	= DOVE_GE00_PHYS_BASE + 0x2000,
+		.end	= DOVE_GE00_PHYS_BASE + SZ_16K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device dove_ge00_shared = {
+	.name		= MV643XX_ETH_SHARED_NAME,
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &dove_ge00_shared_data,
+	},
+	.num_resources	= 1,
+	.resource	= dove_ge00_shared_resources,
+};
+
+static struct resource dove_ge00_resources[] = {
+	{
+		.name	= "ge00 irq",
+		.start	= IRQ_DOVE_GE00_SUM,
+		.end	= IRQ_DOVE_GE00_SUM,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dove_ge00 = {
+	.name		= MV643XX_ETH_NAME,
+	.id		= 0,
+	.num_resources	= 1,
+	.resource	= dove_ge00_resources,
+	.dev		= {
+		.coherent_dma_mask	= 0xffffffff,
+	},
+};
+
+void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data)
+{
+	eth_data->shared = &dove_ge00_shared;
+	dove_ge00.dev.platform_data = eth_data;
+
+	platform_device_register(&dove_ge00_shared);
+	platform_device_register(&dove_ge00);
+}
+
+/*****************************************************************************
+ * SoC RTC
+ ****************************************************************************/
+static struct resource dove_rtc_resource[] = {
+	{
+		.start	= DOVE_RTC_PHYS_BASE,
+		.end	= DOVE_RTC_PHYS_BASE + 32 - 1,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_DOVE_RTC,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+void __init dove_rtc_init(void)
+{
+	platform_device_register_simple("rtc-mv", -1, dove_rtc_resource, 2);
+}
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+static struct resource dove_sata_resources[] = {
+	{
+		.name	= "sata base",
+		.start	= DOVE_SATA_PHYS_BASE,
+		.end	= DOVE_SATA_PHYS_BASE + 0x5000 - 1,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "sata irq",
+		.start	= IRQ_DOVE_SATA,
+		.end	= IRQ_DOVE_SATA,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dove_sata = {
+	.name		= "sata_mv",
+	.id		= 0,
+	.dev		= {
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.num_resources	= ARRAY_SIZE(dove_sata_resources),
+	.resource	= dove_sata_resources,
+};
+
+void __init dove_sata_init(struct mv_sata_platform_data *sata_data)
+{
+	sata_data->dram = &dove_mbus_dram_info;
+	dove_sata.dev.platform_data = sata_data;
+	platform_device_register(&dove_sata);
+}
+
+/*****************************************************************************
+ * UART0
+ ****************************************************************************/
+static struct plat_serial8250_port dove_uart0_data[] = {
+	{
+		.mapbase	= DOVE_UART0_PHYS_BASE,
+		.membase	= (char *)DOVE_UART0_VIRT_BASE,
+		.irq		= IRQ_DOVE_UART_0,
+		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+		.uartclk	= 0,
+	}, {
+	},
+};
+
+static struct resource dove_uart0_resources[] = {
+	{
+		.start		= DOVE_UART0_PHYS_BASE,
+		.end		= DOVE_UART0_PHYS_BASE + SZ_256 - 1,
+		.flags		= IORESOURCE_MEM,
+	}, {
+		.start		= IRQ_DOVE_UART_0,
+		.end		= IRQ_DOVE_UART_0,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dove_uart0 = {
+	.name			= "serial8250",
+	.id			= 0,
+	.dev			= {
+		.platform_data	= dove_uart0_data,
+	},
+	.resource		= dove_uart0_resources,
+	.num_resources		= ARRAY_SIZE(dove_uart0_resources),
+};
+
+void __init dove_uart0_init(void)
+{
+	platform_device_register(&dove_uart0);
+}
+
+/*****************************************************************************
+ * UART1
+ ****************************************************************************/
+static struct plat_serial8250_port dove_uart1_data[] = {
+	{
+		.mapbase	= DOVE_UART1_PHYS_BASE,
+		.membase	= (char *)DOVE_UART1_VIRT_BASE,
+		.irq		= IRQ_DOVE_UART_1,
+		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+		.uartclk	= 0,
+	}, {
+	},
+};
+
+static struct resource dove_uart1_resources[] = {
+	{
+		.start		= DOVE_UART1_PHYS_BASE,
+		.end		= DOVE_UART1_PHYS_BASE + SZ_256 - 1,
+		.flags		= IORESOURCE_MEM,
+	}, {
+		.start		= IRQ_DOVE_UART_1,
+		.end		= IRQ_DOVE_UART_1,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dove_uart1 = {
+	.name			= "serial8250",
+	.id			= 1,
+	.dev			= {
+		.platform_data	= dove_uart1_data,
+	},
+	.resource		= dove_uart1_resources,
+	.num_resources		= ARRAY_SIZE(dove_uart1_resources),
+};
+
+void __init dove_uart1_init(void)
+{
+	platform_device_register(&dove_uart1);
+}
+
+/*****************************************************************************
+ * UART2
+ ****************************************************************************/
+static struct plat_serial8250_port dove_uart2_data[] = {
+	{
+		.mapbase	= DOVE_UART2_PHYS_BASE,
+		.membase	= (char *)DOVE_UART2_VIRT_BASE,
+		.irq		= IRQ_DOVE_UART_2,
+		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+		.uartclk	= 0,
+	}, {
+	},
+};
+
+static struct resource dove_uart2_resources[] = {
+	{
+		.start		= DOVE_UART2_PHYS_BASE,
+		.end		= DOVE_UART2_PHYS_BASE + SZ_256 - 1,
+		.flags		= IORESOURCE_MEM,
+	}, {
+		.start		= IRQ_DOVE_UART_2,
+		.end		= IRQ_DOVE_UART_2,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dove_uart2 = {
+	.name			= "serial8250",
+	.id			= 2,
+	.dev			= {
+		.platform_data	= dove_uart2_data,
+	},
+	.resource		= dove_uart2_resources,
+	.num_resources		= ARRAY_SIZE(dove_uart2_resources),
+};
+
+void __init dove_uart2_init(void)
+{
+	platform_device_register(&dove_uart2);
+}
+
+/*****************************************************************************
+ * UART3
+ ****************************************************************************/
+static struct plat_serial8250_port dove_uart3_data[] = {
+	{
+		.mapbase	= DOVE_UART3_PHYS_BASE,
+		.membase	= (char *)DOVE_UART3_VIRT_BASE,
+		.irq		= IRQ_DOVE_UART_3,
+		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+		.uartclk	= 0,
+	}, {
+	},
+};
+
+static struct resource dove_uart3_resources[] = {
+	{
+		.start		= DOVE_UART3_PHYS_BASE,
+		.end		= DOVE_UART3_PHYS_BASE + SZ_256 - 1,
+		.flags		= IORESOURCE_MEM,
+	}, {
+		.start		= IRQ_DOVE_UART_3,
+		.end		= IRQ_DOVE_UART_3,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dove_uart3 = {
+	.name			= "serial8250",
+	.id			= 3,
+	.dev			= {
+		.platform_data	= dove_uart3_data,
+	},
+	.resource		= dove_uart3_resources,
+	.num_resources		= ARRAY_SIZE(dove_uart3_resources),
+};
+
+void __init dove_uart3_init(void)
+{
+	platform_device_register(&dove_uart3);
+}
+
+/*****************************************************************************
+ * SPI0
+ ****************************************************************************/
+static struct orion_spi_info dove_spi0_data = {
+	.tclk		= 0,
+};
+
+static struct resource dove_spi0_resources[] = {
+	{
+		.start	= DOVE_SPI0_PHYS_BASE,
+		.end	= DOVE_SPI0_PHYS_BASE + SZ_512 - 1,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_DOVE_SPI0,
+		.end	= IRQ_DOVE_SPI0,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dove_spi0 = {
+	.name		= "orion_spi",
+	.id		= 0,
+	.resource	= dove_spi0_resources,
+	.dev		= {
+		.platform_data	= &dove_spi0_data,
+	},
+	.num_resources	= ARRAY_SIZE(dove_spi0_resources),
+};
+
+void __init dove_spi0_init(void)
+{
+	platform_device_register(&dove_spi0);
+}
+
+/*****************************************************************************
+ * SPI1
+ ****************************************************************************/
+static struct orion_spi_info dove_spi1_data = {
+	.tclk		= 0,
+};
+
+static struct resource dove_spi1_resources[] = {
+	{
+		.start	= DOVE_SPI1_PHYS_BASE,
+		.end	= DOVE_SPI1_PHYS_BASE + SZ_512 - 1,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= IRQ_DOVE_SPI1,
+		.end	= IRQ_DOVE_SPI1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dove_spi1 = {
+	.name		= "orion_spi",
+	.id		= 1,
+	.resource	= dove_spi1_resources,
+	.dev		= {
+		.platform_data	= &dove_spi1_data,
+	},
+	.num_resources	= ARRAY_SIZE(dove_spi1_resources),
+};
+
+void __init dove_spi1_init(void)
+{
+	platform_device_register(&dove_spi1);
+}
+
+/*****************************************************************************
+ * I2C
+ ****************************************************************************/
+static struct mv64xxx_i2c_pdata dove_i2c_data = {
+	.freq_m		= 10, /* assumes 166 MHz TCLK gets 94.3kHz */
+	.freq_n		= 3,
+	.timeout	= 1000, /* Default timeout of 1 second */
+};
+
+static struct resource dove_i2c_resources[] = {
+	{
+		.name	= "i2c base",
+		.start	= DOVE_I2C_PHYS_BASE,
+		.end	= DOVE_I2C_PHYS_BASE + 0x20 - 1,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "i2c irq",
+		.start	= IRQ_DOVE_I2C,
+		.end	= IRQ_DOVE_I2C,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dove_i2c = {
+	.name		= MV64XXX_I2C_CTLR_NAME,
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(dove_i2c_resources),
+	.resource	= dove_i2c_resources,
+	.dev		= {
+		.platform_data = &dove_i2c_data,
+	},
+};
+
+void __init dove_i2c_init(void)
+{
+	platform_device_register(&dove_i2c);
+}
+
+/*****************************************************************************
+ * Time handling
+ ****************************************************************************/
+static int get_tclk(void)
+{
+	/* use DOVE_RESET_SAMPLE_HI/LO to detect tclk */
+	return 166666667;
+}
+
+static void dove_timer_init(void)
+{
+	orion_time_init(IRQ_DOVE_BRIDGE, get_tclk());
+}
+
+struct sys_timer dove_timer = {
+	.init = dove_timer_init,
+};
+
+/*****************************************************************************
+ * XOR
+ ****************************************************************************/
+static struct mv_xor_platform_shared_data dove_xor_shared_data = {
+	.dram		= &dove_mbus_dram_info,
+};
+
+/*****************************************************************************
+ * XOR 0
+ ****************************************************************************/
+static u64 dove_xor0_dmamask = DMA_BIT_MASK(32);
+
+static struct resource dove_xor0_shared_resources[] = {
+	{
+		.name	= "xor 0 low",
+		.start	= DOVE_XOR0_PHYS_BASE,
+		.end	= DOVE_XOR0_PHYS_BASE + 0xff,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "xor 0 high",
+		.start	= DOVE_XOR0_HIGH_PHYS_BASE,
+		.end	= DOVE_XOR0_HIGH_PHYS_BASE + 0xff,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device dove_xor0_shared = {
+	.name		= MV_XOR_SHARED_NAME,
+	.id		= 0,
+	.dev		= {
+		.platform_data = &dove_xor_shared_data,
+	},
+	.num_resources	= ARRAY_SIZE(dove_xor0_shared_resources),
+	.resource	= dove_xor0_shared_resources,
+};
+
+static struct resource dove_xor00_resources[] = {
+	[0] = {
+		.start	= IRQ_DOVE_XOR_00,
+		.end	= IRQ_DOVE_XOR_00,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct mv_xor_platform_data dove_xor00_data = {
+	.shared		= &dove_xor0_shared,
+	.hw_id		= 0,
+	.pool_size	= PAGE_SIZE,
+};
+
+static struct platform_device dove_xor00_channel = {
+	.name		= MV_XOR_NAME,
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(dove_xor00_resources),
+	.resource	= dove_xor00_resources,
+	.dev		= {
+		.dma_mask		= &dove_xor0_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(64),
+		.platform_data		= (void *)&dove_xor00_data,
+	},
+};
+
+static struct resource dove_xor01_resources[] = {
+	[0] = {
+		.start	= IRQ_DOVE_XOR_01,
+		.end	= IRQ_DOVE_XOR_01,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct mv_xor_platform_data dove_xor01_data = {
+	.shared		= &dove_xor0_shared,
+	.hw_id		= 1,
+	.pool_size	= PAGE_SIZE,
+};
+
+static struct platform_device dove_xor01_channel = {
+	.name		= MV_XOR_NAME,
+	.id		= 1,
+	.num_resources	= ARRAY_SIZE(dove_xor01_resources),
+	.resource	= dove_xor01_resources,
+	.dev		= {
+		.dma_mask		= &dove_xor0_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(64),
+		.platform_data		= (void *)&dove_xor01_data,
+	},
+};
+
+void __init dove_xor0_init(void)
+{
+	platform_device_register(&dove_xor0_shared);
+
+	/*
+	 * two engines can't do memset simultaneously, this limitation
+	 * satisfied by removing memset support from one of the engines.
+	 */
+	dma_cap_set(DMA_MEMCPY, dove_xor00_data.cap_mask);
+	dma_cap_set(DMA_XOR, dove_xor00_data.cap_mask);
+	platform_device_register(&dove_xor00_channel);
+
+	dma_cap_set(DMA_MEMCPY, dove_xor01_data.cap_mask);
+	dma_cap_set(DMA_MEMSET, dove_xor01_data.cap_mask);
+	dma_cap_set(DMA_XOR, dove_xor01_data.cap_mask);
+	platform_device_register(&dove_xor01_channel);
+}
+
+/*****************************************************************************
+ * XOR 1
+ ****************************************************************************/
+static u64 dove_xor1_dmamask = DMA_BIT_MASK(32);
+
+static struct resource dove_xor1_shared_resources[] = {
+	{
+		.name	= "xor 0 low",
+		.start	= DOVE_XOR1_PHYS_BASE,
+		.end	= DOVE_XOR1_PHYS_BASE + 0xff,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "xor 0 high",
+		.start	= DOVE_XOR1_HIGH_PHYS_BASE,
+		.end	= DOVE_XOR1_HIGH_PHYS_BASE + 0xff,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device dove_xor1_shared = {
+	.name		= MV_XOR_SHARED_NAME,
+	.id		= 1,
+	.dev		= {
+		.platform_data = &dove_xor_shared_data,
+	},
+	.num_resources	= ARRAY_SIZE(dove_xor1_shared_resources),
+	.resource	= dove_xor1_shared_resources,
+};
+
+static struct resource dove_xor10_resources[] = {
+	[0] = {
+		.start	= IRQ_DOVE_XOR_10,
+		.end	= IRQ_DOVE_XOR_10,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct mv_xor_platform_data dove_xor10_data = {
+	.shared		= &dove_xor1_shared,
+	.hw_id		= 0,
+	.pool_size	= PAGE_SIZE,
+};
+
+static struct platform_device dove_xor10_channel = {
+	.name		= MV_XOR_NAME,
+	.id		= 2,
+	.num_resources	= ARRAY_SIZE(dove_xor10_resources),
+	.resource	= dove_xor10_resources,
+	.dev		= {
+		.dma_mask		= &dove_xor1_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(64),
+		.platform_data		= (void *)&dove_xor10_data,
+	},
+};
+
+static struct resource dove_xor11_resources[] = {
+	[0] = {
+		.start	= IRQ_DOVE_XOR_11,
+		.end	= IRQ_DOVE_XOR_11,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct mv_xor_platform_data dove_xor11_data = {
+	.shared		= &dove_xor1_shared,
+	.hw_id		= 1,
+	.pool_size	= PAGE_SIZE,
+};
+
+static struct platform_device dove_xor11_channel = {
+	.name		= MV_XOR_NAME,
+	.id		= 3,
+	.num_resources	= ARRAY_SIZE(dove_xor11_resources),
+	.resource	= dove_xor11_resources,
+	.dev		= {
+		.dma_mask		= &dove_xor1_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(64),
+		.platform_data		= (void *)&dove_xor11_data,
+	},
+};
+
+void __init dove_xor1_init(void)
+{
+	platform_device_register(&dove_xor1_shared);
+
+	/*
+	 * two engines can't do memset simultaneously, this limitation
+	 * satisfied by removing memset support from one of the engines.
+	 */
+	dma_cap_set(DMA_MEMCPY, dove_xor10_data.cap_mask);
+	dma_cap_set(DMA_XOR, dove_xor10_data.cap_mask);
+	platform_device_register(&dove_xor10_channel);
+
+	dma_cap_set(DMA_MEMCPY, dove_xor11_data.cap_mask);
+	dma_cap_set(DMA_MEMSET, dove_xor11_data.cap_mask);
+	dma_cap_set(DMA_XOR, dove_xor11_data.cap_mask);
+	platform_device_register(&dove_xor11_channel);
+}
+
+void __init dove_init(void)
+{
+	int tclk;
+
+	tclk = get_tclk();
+
+	printk(KERN_INFO "Dove 88AP510 SoC, ");
+	printk(KERN_INFO "TCLK = %dMHz\n", (tclk + 499999) / 1000000);
+
+	dove_setup_cpu_mbus();
+
+	dove_ge00_shared_data.t_clk = tclk;
+	dove_uart0_data[0].uartclk = tclk;
+	dove_uart1_data[0].uartclk = tclk;
+	dove_uart2_data[0].uartclk = tclk;
+	dove_uart3_data[0].uartclk = tclk;
+	dove_spi0_data.tclk = tclk;
+	dove_spi1_data.tclk = tclk;
+
+	/* internal devices that every board has */
+	dove_rtc_init();
+	dove_xor0_init();
+	dove_xor1_init();
+}
diff --git a/arch/arm/mach-dove/common.h b/arch/arm/mach-dove/common.h
new file mode 100644
index 00000000000..b29e8937de4
--- /dev/null
+++ b/arch/arm/mach-dove/common.h
@@ -0,0 +1,40 @@
+/*
+ * arch/arm/mach-dove/common.h
+ *
+ * Core functions for Marvell Dove 88AP510 System On Chip
+ *
+ * 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_DOVE_COMMON_H
+#define __ARCH_DOVE_COMMON_H
+
+struct mv643xx_eth_platform_data;
+struct mv_sata_platform_data;
+
+extern struct sys_timer dove_timer;
+extern struct mbus_dram_target_info dove_mbus_dram_i