Merge branch 'devel-stable' into for-linus

Conflicts:
	arch/arm/Kconfig
	arch/arm/mach-ns9xxx/include/mach/uncompress.h

8 files changed, 1232 insertions, 118 deletions

diff --git a/arch/arm/plat-orion/Makefile b/arch/arm/plat-orion/Makefile
index 56021a72e10..95a5fc53b6d 100644
--- a/arch/arm/plat-orion/Makefile
+++ b/arch/arm/plat-orion/Makefile
@@ -2,7 +2,7 @@
 # Makefile for the linux kernel.
 #
 
-obj-y	:= irq.o pcie.o time.o
+obj-y	:= irq.o pcie.o time.o common.o mpp.o
 obj-m	:=
 obj-n	:=
 obj-	:=
diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c
new file mode 100644
index 00000000000..9e5451b3c8e
--- /dev/null
+++ b/arch/arm/plat-orion/common.c
@@ -0,0 +1,957 @@
+/*
+ * arch/arm/plat-orion/common.c
+ *
+ * Marvell Orion SoC common setup code used by multiple mach-/common.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/init.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/serial_8250.h>
+#include <linux/mbus.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/mv643xx_i2c.h>
+#include <net/dsa.h>
+#include <linux/spi/orion_spi.h>
+#include <plat/orion_wdt.h>
+#include <plat/mv_xor.h>
+#include <plat/ehci-orion.h>
+
+/* Fill in the resources structure and link it into the platform
+   device structure. There is always a memory region, and nearly
+   always an interrupt.*/
+static void fill_resources(struct platform_device *device,
+			   struct resource *resources,
+			   resource_size_t mapbase,
+			   resource_size_t size,
+			   unsigned int irq)
+{
+	device->resource = resources;
+	device->num_resources = 1;
+	resources[0].flags = IORESOURCE_MEM;
+	resources[0].start = mapbase;
+	resources[0].end = mapbase + size;
+
+	if (irq != NO_IRQ) {
+		device->num_resources++;
+		resources[1].flags = IORESOURCE_IRQ;
+		resources[1].start = irq;
+		resources[1].end = irq;
+	}
+}
+
+/*****************************************************************************
+ * UART
+ ****************************************************************************/
+static void __init uart_complete(
+	struct platform_device *orion_uart,
+	struct plat_serial8250_port *data,
+	struct resource *resources,
+	unsigned int membase,
+	resource_size_t mapbase,
+	unsigned int irq,
+	unsigned int uartclk)
+{
+	data->mapbase = mapbase;
+	data->membase = (void __iomem *)membase;
+	data->irq = irq;
+	data->uartclk = uartclk;
+	orion_uart->dev.platform_data = data;
+
+	fill_resources(orion_uart, resources, mapbase, 0xff, irq);
+	platform_device_register(orion_uart);
+}
+
+/*****************************************************************************
+ * UART0
+ ****************************************************************************/
+static struct plat_serial8250_port orion_uart0_data[] = {
+	{
+		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+	}, {
+	},
+};
+
+static struct resource orion_uart0_resources[2];
+
+static struct platform_device orion_uart0 = {
+	.name			= "serial8250",
+	.id			= PLAT8250_DEV_PLATFORM,
+};
+
+void __init orion_uart0_init(unsigned int membase,
+			     resource_size_t mapbase,
+			     unsigned int irq,
+			     unsigned int uartclk)
+{
+	uart_complete(&orion_uart0, orion_uart0_data, orion_uart0_resources,
+		      membase, mapbase, irq, uartclk);
+}
+
+/*****************************************************************************
+ * UART1
+ ****************************************************************************/
+static struct plat_serial8250_port orion_uart1_data[] = {
+	{
+		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+	}, {
+	},
+};
+
+static struct resource orion_uart1_resources[2];
+
+static struct platform_device orion_uart1 = {
+	.name			= "serial8250",
+	.id			= PLAT8250_DEV_PLATFORM1,
+};
+
+void __init orion_uart1_init(unsigned int membase,
+			     resource_size_t mapbase,
+			     unsigned int irq,
+			     unsigned int uartclk)
+{
+	uart_complete(&orion_uart1, orion_uart1_data, orion_uart1_resources,
+		      membase, mapbase, irq, uartclk);
+}
+
+/*****************************************************************************
+ * UART2
+ ****************************************************************************/
+static struct plat_serial8250_port orion_uart2_data[] = {
+	{
+		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+	}, {
+	},
+};
+
+static struct resource orion_uart2_resources[2];
+
+static struct platform_device orion_uart2 = {
+	.name			= "serial8250",
+	.id			= PLAT8250_DEV_PLATFORM2,
+};
+
+void __init orion_uart2_init(unsigned int membase,
+			     resource_size_t mapbase,
+			     unsigned int irq,
+			     unsigned int uartclk)
+{
+	uart_complete(&orion_uart2, orion_uart2_data, orion_uart2_resources,
+		      membase, mapbase, irq, uartclk);
+}
+
+/*****************************************************************************
+ * UART3
+ ****************************************************************************/
+static struct plat_serial8250_port orion_uart3_data[] = {
+	{
+		.flags		= UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+	}, {
+	},
+};
+
+static struct resource orion_uart3_resources[2];
+
+static struct platform_device orion_uart3 = {
+	.name			= "serial8250",
+	.id			= 3,
+};
+
+void __init orion_uart3_init(unsigned int membase,
+			     resource_size_t mapbase,
+			     unsigned int irq,
+			     unsigned int uartclk)
+{
+	uart_complete(&orion_uart3, orion_uart3_data, orion_uart3_resources,
+		      membase, mapbase, irq, uartclk);
+}
+
+/*****************************************************************************
+ * SoC RTC
+ ****************************************************************************/
+static struct resource orion_rtc_resource[2];
+
+void __init orion_rtc_init(unsigned long mapbase,
+			   unsigned long irq)
+{
+	orion_rtc_resource[0].start = mapbase;
+	orion_rtc_resource[0].end = mapbase + SZ_32 - 1;
+	orion_rtc_resource[0].flags = IORESOURCE_MEM;
+	orion_rtc_resource[1].start = irq;
+	orion_rtc_resource[1].end = irq;
+	orion_rtc_resource[1].flags = IORESOURCE_IRQ;
+
+	platform_device_register_simple("rtc-mv", -1, orion_rtc_resource, 2);
+}
+
+/*****************************************************************************
+ * GE
+ ****************************************************************************/
+static __init void ge_complete(
+	struct mv643xx_eth_shared_platform_data *orion_ge_shared_data,
+	struct mbus_dram_target_info *mbus_dram_info, int tclk,
+	struct resource *orion_ge_resource, unsigned long irq,
+	struct platform_device *orion_ge_shared,
+	struct mv643xx_eth_platform_data *eth_data,
+	struct platform_device *orion_ge)
+{
+	orion_ge_shared_data->dram = mbus_dram_info;
+	orion_ge_shared_data->t_clk = tclk;
+	orion_ge_resource->start = irq;
+	orion_ge_resource->end = irq;
+	eth_data->shared = orion_ge_shared;
+	orion_ge->dev.platform_data = eth_data;
+
+	platform_device_register(orion_ge_shared);
+	platform_device_register(orion_ge);
+}
+
+/*****************************************************************************
+ * GE00
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data orion_ge00_shared_data;
+
+static struct resource orion_ge00_shared_resources[] = {
+	{
+		.name	= "ge00 base",
+	}, {
+		.name	= "ge00 err irq",
+	},
+};
+
+static struct platform_device orion_ge00_shared = {
+	.name		= MV643XX_ETH_SHARED_NAME,
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &orion_ge00_shared_data,
+	},
+};
+
+static struct resource orion_ge00_resources[] = {
+	{
+		.name	= "ge00 irq",
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device orion_ge00 = {
+	.name		= MV643XX_ETH_NAME,
+	.id		= 0,
+	.num_resources	= 1,
+	.resource	= orion_ge00_resources,
+	.dev		= {
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+};
+
+void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data,
+			    struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase,
+			    unsigned long irq,
+			    unsigned long irq_err,
+			    int tclk)
+{
+	fill_resources(&orion_ge00_shared, orion_ge00_shared_resources,
+		       mapbase + 0x2000, SZ_16K - 1, irq_err);
+	ge_complete(&orion_ge00_shared_data, mbus_dram_info, tclk,
+		    orion_ge00_resources, irq, &orion_ge00_shared,
+		    eth_data, &orion_ge00);
+}
+
+/*****************************************************************************
+ * GE01
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data orion_ge01_shared_data = {
+	.shared_smi	= &orion_ge00_shared,
+};
+
+static struct resource orion_ge01_shared_resources[] = {
+	{
+		.name	= "ge01 base",
+	}, {
+		.name	= "ge01 err irq",
+	},
+};
+
+static struct platform_device orion_ge01_shared = {
+	.name		= MV643XX_ETH_SHARED_NAME,
+	.id		= 1,
+	.dev		= {
+		.platform_data	= &orion_ge01_shared_data,
+	},
+};
+
+static struct resource orion_ge01_resources[] = {
+	{
+		.name	= "ge01 irq",
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device orion_ge01 = {
+	.name		= MV643XX_ETH_NAME,
+	.id		= 1,
+	.num_resources	= 1,
+	.resource	= orion_ge01_resources,
+	.dev		= {
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+};
+
+void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data,
+			    struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase,
+			    unsigned long irq,
+			    unsigned long irq_err,
+			    int tclk)
+{
+	fill_resources(&orion_ge01_shared, orion_ge01_shared_resources,
+		       mapbase + 0x2000, SZ_16K - 1, irq_err);
+	ge_complete(&orion_ge01_shared_data, mbus_dram_info, tclk,
+		    orion_ge01_resources, irq, &orion_ge01_shared,
+		    eth_data, &orion_ge01);
+}
+
+/*****************************************************************************
+ * GE10
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data orion_ge10_shared_data = {
+	.shared_smi	= &orion_ge00_shared,
+};
+
+static struct resource orion_ge10_shared_resources[] = {
+	{
+		.name	= "ge10 base",
+	}, {
+		.name	= "ge10 err irq",
+	},
+};
+
+static struct platform_device orion_ge10_shared = {
+	.name		= MV643XX_ETH_SHARED_NAME,
+	.id		= 1,
+	.dev		= {
+		.platform_data	= &orion_ge10_shared_data,
+	},
+};
+
+static struct resource orion_ge10_resources[] = {
+	{
+		.name	= "ge10 irq",
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device orion_ge10 = {
+	.name		= MV643XX_ETH_NAME,
+	.id		= 1,
+	.num_resources	= 2,
+	.resource	= orion_ge10_resources,
+	.dev		= {
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+};
+
+void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data,
+			    struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase,
+			    unsigned long irq,
+			    unsigned long irq_err,
+			    int tclk)
+{
+	fill_resources(&orion_ge10_shared, orion_ge10_shared_resources,
+		       mapbase + 0x2000, SZ_16K - 1, irq_err);
+	ge_complete(&orion_ge10_shared_data, mbus_dram_info, tclk,
+		    orion_ge10_resources, irq, &orion_ge10_shared,
+		    eth_data, &orion_ge10);
+}
+
+/*****************************************************************************
+ * GE11
+ ****************************************************************************/
+struct mv643xx_eth_shared_platform_data orion_ge11_shared_data = {
+	.shared_smi	= &orion_ge00_shared,
+};
+
+static struct resource orion_ge11_shared_resources[] = {
+	{
+		.name	= "ge11 base",
+	}, {
+		.name	= "ge11 err irq",
+	},
+};
+
+static struct platform_device orion_ge11_shared = {
+	.name		= MV643XX_ETH_SHARED_NAME,
+	.id		= 1,
+	.dev		= {
+		.platform_data	= &orion_ge11_shared_data,
+	},
+};
+
+static struct resource orion_ge11_resources[] = {
+	{
+		.name	= "ge11 irq",
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device orion_ge11 = {
+	.name		= MV643XX_ETH_NAME,
+	.id		= 1,
+	.num_resources	= 2,
+	.resource	= orion_ge11_resources,
+	.dev		= {
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+};
+
+void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data,
+			    struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase,
+			    unsigned long irq,
+			    unsigned long irq_err,
+			    int tclk)
+{
+	fill_resources(&orion_ge11_shared, orion_ge11_shared_resources,
+		       mapbase + 0x2000, SZ_16K - 1, irq_err);
+	ge_complete(&orion_ge11_shared_data, mbus_dram_info, tclk,
+		    orion_ge11_resources, irq, &orion_ge11_shared,
+		    eth_data, &orion_ge11);
+}
+
+/*****************************************************************************
+ * Ethernet switch
+ ****************************************************************************/
+static struct resource orion_switch_resources[] = {
+	{
+		.start	= 0,
+		.end	= 0,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device orion_switch_device = {
+	.name		= "dsa",
+	.id		= 0,
+	.num_resources	= 0,
+	.resource	= orion_switch_resources,
+};
+
+void __init orion_ge00_switch_init(struct dsa_platform_data *d, int irq)
+{
+	int i;
+
+	if (irq != NO_IRQ) {
+		orion_switch_resources[0].start = irq;
+		orion_switch_resources[0].end = irq;
+		orion_switch_device.num_resources = 1;
+	}
+
+	d->netdev = &orion_ge00.dev;
+	for (i = 0; i < d->nr_chips; i++)
+		d->chip[i].mii_bus = &orion_ge00_shared.dev;
+	orion_switch_device.dev.platform_data = d;
+
+	platform_device_register(&orion_switch_device);
+}
+
+/*****************************************************************************
+ * I2C
+ ****************************************************************************/
+static struct mv64xxx_i2c_pdata orion_i2c_pdata = {
+	.freq_n		= 3,
+	.timeout	= 1000, /* Default timeout of 1 second */
+};
+
+static struct resource orion_i2c_resources[2];
+
+static struct platform_device orion_i2c = {
+	.name		= MV64XXX_I2C_CTLR_NAME,
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &orion_i2c_pdata,
+	},
+};
+
+static struct mv64xxx_i2c_pdata orion_i2c_1_pdata = {
+	.freq_n		= 3,
+	.timeout	= 1000, /* Default timeout of 1 second */
+};
+
+static struct resource orion_i2c_1_resources[2];
+
+static struct platform_device orion_i2c_1 = {
+	.name		= MV64XXX_I2C_CTLR_NAME,
+	.id		= 1,
+	.dev		= {
+		.platform_data	= &orion_i2c_1_pdata,
+	},
+};
+
+void __init orion_i2c_init(unsigned long mapbase,
+			   unsigned long irq,
+			   unsigned long freq_m)
+{
+	orion_i2c_pdata.freq_m = freq_m;
+	fill_resources(&orion_i2c, orion_i2c_resources, mapbase,
+		       SZ_32 - 1, irq);
+	platform_device_register(&orion_i2c);
+}
+
+void __init orion_i2c_1_init(unsigned long mapbase,
+			     unsigned long irq,
+			     unsigned long freq_m)
+{
+	orion_i2c_1_pdata.freq_m = freq_m;
+	fill_resources(&orion_i2c_1, orion_i2c_1_resources, mapbase,
+		       SZ_32 - 1, irq);
+	platform_device_register(&orion_i2c_1);
+}
+
+/*****************************************************************************
+ * SPI
+ ****************************************************************************/
+static struct orion_spi_info orion_spi_plat_data;
+static struct resource orion_spi_resources;
+
+static struct platform_device orion_spi = {
+	.name		= "orion_spi",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &orion_spi_plat_data,
+	},
+};
+
+static struct orion_spi_info orion_spi_1_plat_data;
+static struct resource orion_spi_1_resources;
+
+static struct platform_device orion_spi_1 = {
+	.name		= "orion_spi",
+	.id		= 1,
+	.dev		= {
+		.platform_data	= &orion_spi_1_plat_data,
+	},
+};
+
+/* Note: The SPI silicon core does have interrupts. However the
+ * current Linux software driver does not use interrupts. */
+
+void __init orion_spi_init(unsigned long mapbase,
+			   unsigned long tclk)
+{
+	orion_spi_plat_data.tclk = tclk;
+	fill_resources(&orion_spi, &orion_spi_resources,
+		       mapbase, SZ_512 - 1, NO_IRQ);
+	platform_device_register(&orion_spi);
+}
+
+void __init orion_spi_1_init(unsigned long mapbase,
+			     unsigned long tclk)
+{
+	orion_spi_1_plat_data.tclk = tclk;
+	fill_resources(&orion_spi_1, &orion_spi_1_resources,
+		       mapbase, SZ_512 - 1, NO_IRQ);
+	platform_device_register(&orion_spi_1);
+}
+
+/*****************************************************************************
+ * Watchdog
+ ****************************************************************************/
+static struct orion_wdt_platform_data orion_wdt_data;
+
+static struct platform_device orion_wdt_device = {
+	.name		= "orion_wdt",
+	.id		= -1,
+	.dev		= {
+		.platform_data	= &orion_wdt_data,
+	},
+	.num_resources	= 0,
+};
+
+void __init orion_wdt_init(unsigned long tclk)
+{
+	orion_wdt_data.tclk = tclk;
+	platform_device_register(&orion_wdt_device);
+}
+
+/*****************************************************************************
+ * XOR
+ ****************************************************************************/
+static struct mv_xor_platform_shared_data orion_xor_shared_data;
+
+static u64 orion_xor_dmamask = DMA_BIT_MASK(32);
+
+void __init orion_xor_init_channels(
+	struct mv_xor_platform_data *orion_xor0_data,
+	struct platform_device *orion_xor0_channel,
+	struct mv_xor_platform_data *orion_xor1_data,
+	struct platform_device *orion_xor1_channel)
+{
+	/*
+	 * two engines can't do memset simultaneously, this limitation
+	 * satisfied by removing memset support from one of the engines.
+	 */
+	dma_cap_set(DMA_MEMCPY, orion_xor0_data->cap_mask);
+	dma_cap_set(DMA_XOR, orion_xor0_data->cap_mask);
+	platform_device_register(orion_xor0_channel);
+
+	dma_cap_set(DMA_MEMCPY, orion_xor1_data->cap_mask);
+	dma_cap_set(DMA_MEMSET, orion_xor1_data->cap_mask);
+	dma_cap_set(DMA_XOR, orion_xor1_data->cap_mask);
+	platform_device_register(orion_xor1_channel);
+}
+
+/*****************************************************************************
+ * XOR0
+ ****************************************************************************/
+static struct resource orion_xor0_shared_resources[] = {
+	{
+		.name	= "xor 0 low",
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "xor 0 high",
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device orion_xor0_shared = {
+	.name		= MV_XOR_SHARED_NAME,
+	.id		= 0,
+	.dev		= {
+		.platform_data = &orion_xor_shared_data,
+	},
+	.num_resources	= ARRAY_SIZE(orion_xor0_shared_resources),
+	.resource	= orion_xor0_shared_resources,
+};
+
+static struct resource orion_xor00_resources[] = {
+	[0] = {
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct mv_xor_platform_data orion_xor00_data = {
+	.shared		= &orion_xor0_shared,
+	.hw_id		= 0,
+	.pool_size	= PAGE_SIZE,
+};
+
+static struct platform_device orion_xor00_channel = {
+	.name		= MV_XOR_NAME,
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(orion_xor00_resources),
+	.resource	= orion_xor00_resources,
+	.dev		= {
+		.dma_mask		= &orion_xor_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(64),
+		.platform_data		= &orion_xor00_data,
+	},
+};
+
+static struct resource orion_xor01_resources[] = {
+	[0] = {
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct mv_xor_platform_data orion_xor01_data = {
+	.shared		= &orion_xor0_shared,
+	.hw_id		= 1,
+	.pool_size	= PAGE_SIZE,
+};
+
+static struct platform_device orion_xor01_channel = {
+	.name		= MV_XOR_NAME,
+	.id		= 1,
+	.num_resources	= ARRAY_SIZE(orion_xor01_resources),
+	.resource	= orion_xor01_resources,
+	.dev		= {
+		.dma_mask		= &orion_xor_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(64),
+		.platform_data		= &orion_xor01_data,
+	},
+};
+
+void __init orion_xor0_init(struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase_low,
+			    unsigned long mapbase_high,
+			    unsigned long irq_0,
+			    unsigned long irq_1)
+{
+	orion_xor_shared_data.dram = mbus_dram_info;
+
+	orion_xor0_shared_resources[0].start = mapbase_low;
+	orion_xor0_shared_resources[0].end = mapbase_low + 0xff;
+	orion_xor0_shared_resources[1].start = mapbase_high;
+	orion_xor0_shared_resources[1].end = mapbase_high + 0xff;
+
+	orion_xor00_resources[0].start = irq_0;
+	orion_xor00_resources[0].end = irq_0;
+	orion_xor01_resources[0].start = irq_1;
+	orion_xor01_resources[0].end = irq_1;
+
+	platform_device_register(&orion_xor0_shared);
+
+	orion_xor_init_channels(&orion_xor00_data, &orion_xor00_channel,
+				&orion_xor01_data, &orion_xor01_channel);
+}
+
+/*****************************************************************************
+ * XOR1
+ ****************************************************************************/
+static struct resource orion_xor1_shared_resources[] = {
+	{
+		.name	= "xor 1 low",
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.name	= "xor 1 high",
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device orion_xor1_shared = {
+	.name		= MV_XOR_SHARED_NAME,
+	.id		= 1,
+	.dev		= {
+		.platform_data = &orion_xor_shared_data,
+	},
+	.num_resources	= ARRAY_SIZE(orion_xor1_shared_resources),
+	.resource	= orion_xor1_shared_resources,
+};
+
+static struct resource orion_xor10_resources[] = {
+	[0] = {
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct mv_xor_platform_data orion_xor10_data = {
+	.shared		= &orion_xor1_shared,
+	.hw_id		= 0,
+	.pool_size	= PAGE_SIZE,
+};
+
+static struct platform_device orion_xor10_channel = {
+	.name		= MV_XOR_NAME,
+	.id		= 2,
+	.num_resources	= ARRAY_SIZE(orion_xor10_resources),
+	.resource	= orion_xor10_resources,
+	.dev		= {
+		.dma_mask		= &orion_xor_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(64),
+		.platform_data		= &orion_xor10_data,
+	},
+};
+
+static struct resource orion_xor11_resources[] = {
+	[0] = {
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct mv_xor_platform_data orion_xor11_data = {
+	.shared		= &orion_xor1_shared,
+	.hw_id		= 1,
+	.pool_size	= PAGE_SIZE,
+};
+
+static struct platform_device orion_xor11_channel = {
+	.name		= MV_XOR_NAME,
+	.id		= 3,
+	.num_resources	= ARRAY_SIZE(orion_xor11_resources),
+	.resource	= orion_xor11_resources,
+	.dev		= {
+		.dma_mask		= &orion_xor_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(64),
+		.platform_data		= &orion_xor11_data,
+	},
+};
+
+void __init orion_xor1_init(unsigned long mapbase_low,
+			    unsigned long mapbase_high,
+			    unsigned long irq_0,
+			    unsigned long irq_1)
+{
+	orion_xor1_shared_resources[0].start = mapbase_low;
+	orion_xor1_shared_resources[0].end = mapbase_low + 0xff;
+	orion_xor1_shared_resources[1].start = mapbase_high;
+	orion_xor1_shared_resources[1].end = mapbase_high + 0xff;
+
+	orion_xor10_resources[0].start = irq_0;
+	orion_xor10_resources[0].end = irq_0;
+	orion_xor11_resources[0].start = irq_1;
+	orion_xor11_resources[0].end = irq_1;
+
+	platform_device_register(&orion_xor1_shared);
+
+	orion_xor_init_channels(&orion_xor10_data, &orion_xor10_channel,
+				&orion_xor11_data, &orion_xor11_channel);
+}
+
+/*****************************************************************************
+ * EHCI
+ ****************************************************************************/
+static struct orion_ehci_data orion_ehci_data = {
+	.phy_version	= EHCI_PHY_NA,
+};
+
+static u64 ehci_dmamask = DMA_BIT_MASK(32);
+
+
+/*****************************************************************************
+ * EHCI0
+ ****************************************************************************/
+static struct resource orion_ehci_resources[2];
+
+static struct platform_device orion_ehci = {
+	.name		= "orion-ehci",
+	.id		= 0,
+	.dev		= {
+		.dma_mask		= &ehci_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data		= &orion_ehci_data,
+	},
+};
+
+void __init orion_ehci_init(struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase,
+			    unsigned long irq)
+{
+	orion_ehci_data.dram = mbus_dram_info;
+	fill_resources(&orion_ehci, orion_ehci_resources, mapbase, SZ_4K - 1,
+		       irq);
+
+	platform_device_register(&orion_ehci);
+}
+
+/*****************************************************************************
+ * EHCI1
+ ****************************************************************************/
+static struct resource orion_ehci_1_resources[2];
+
+static struct platform_device orion_ehci_1 = {
+	.name		= "orion-ehci",
+	.id		= 1,
+	.dev		= {
+		.dma_mask		= &ehci_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data		= &orion_ehci_data,
+	},
+};
+
+void __init orion_ehci_1_init(struct mbus_dram_target_info *mbus_dram_info,
+			      unsigned long mapbase,
+			      unsigned long irq)
+{
+	orion_ehci_data.dram = mbus_dram_info;
+	fill_resources(&orion_ehci_1, orion_ehci_1_resources,
+		       mapbase, SZ_4K - 1, irq);
+
+	platform_device_register(&orion_ehci_1);
+}
+
+/*****************************************************************************
+ * EHCI2
+ ****************************************************************************/
+static struct resource orion_ehci_2_resources[2];
+
+static struct platform_device orion_ehci_2 = {
+	.name		= "orion-ehci",
+	.id		= 2,
+	.dev		= {
+		.dma_mask		= &ehci_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data		= &orion_ehci_data,
+	},
+};
+
+void __init orion_ehci_2_init(struct mbus_dram_target_info *mbus_dram_info,
+			      unsigned long mapbase,
+			      unsigned long irq)
+{
+	orion_ehci_data.dram = mbus_dram_info;
+	fill_resources(&orion_ehci_2, orion_ehci_2_resources,
+		       mapbase, SZ_4K - 1, irq);
+
+	platform_device_register(&orion_ehci_2);
+}
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+static struct resource orion_sata_resources[2] = {
+	{
+		.name	= "sata base",
+	}, {
+		.name	= "sata irq",
+	},
+};
+
+static struct platform_device orion_sata = {
+	.name		= "sata_mv",
+	.id		= 0,
+	.dev		= {
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+};
+
+void __init orion_sata_init(struct mv_sata_platform_data *sata_data,
+			    struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase,
+			    unsigned long irq)
+{
+	sata_data->dram = mbus_dram_info;
+	orion_sata.dev.platform_data = sata_data;
+	fill_resources(&orion_sata, orion_sata_resources,
+		       mapbase, 0x5000 - 1, irq);
+
+	platform_device_register(&orion_sata);
+}
+
+/*****************************************************************************
+ * Cryptographic Engines and Security Accelerator (CESA)
+ ****************************************************************************/
+static struct resource orion_crypto_resources[] = {
+	{
+		.name   = "regs",
+	}, {
+		.name   = "crypto interrupt",
+	}, {
+		.name   = "sram",
+		.flags  = IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device orion_crypto = {
+	.name           = "mv_crypto",
+	.id             = -1,
+};
+
+void __init orion_crypto_init(unsigned long mapbase,
+			      unsigned long srambase,
+			      unsigned long sram_size,
+			      unsigned long irq)
+{
+	fill_resources(&orion_crypto, orion_crypto_resources,
+		       mapbase, 0xffff, irq);
+	orion_crypto.num_resources = 3;
+	orion_crypto_resources[2].start = srambase;
+	orion_crypto_resources[2].end = srambase + sram_size - 1;
+
+	platform_device_register(&orion_crypto);
+}
diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c
index a431a138f40..5b4fffab1eb 100644
--- a/arch/arm/plat-orion/gpio.c
+++ b/arch/arm/plat-orion/gpio.c
@@ -321,59 +321,16 @@ EXPORT_SYMBOL(orion_gpio_set_blink);
  *        polarity    LEVEL          mask
  *
  ****************************************************************************/
-static void gpio_irq_ack(struct irq_data *d)
-{
-	struct orion_gpio_chip *ochip = irq_data_get_irq_chip_data(d);
-	int type = irqd_get_trigger_type(d);
-
-	if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) {
-		int pin = d->irq - ochip->secondary_irq_base;
-
-		writel(~(1 << pin), GPIO_EDGE_CAUSE(ochip));
-	}
-}
-
-static void gpio_irq_mask(struct irq_data *d)
-{
-	struct orion_gpio_chip *ochip = irq_data_get_irq_chip_data(d);
-	int type = irqd_get_trigger_type(d);
-	void __iomem *reg;
-	int pin;
-
-	if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING))
-		reg = GPIO_EDGE_MASK(ochip);
-	else
-		reg = GPIO_LEVEL_MASK(ochip);
-
-	pin = d->irq - ochip->secondary_irq_base;
-
-	writel(readl(reg) & ~(1 << pin), reg);
-}
-
-static void gpio_irq_unmask(struct irq_data *d)
-{
-	struct orion_gpio_chip *ochip = irq_data_get_irq_chip_data(d);
-	int type = irqd_get_trigger_type(d);
-	void __iomem *reg;
-	int pin;
-
-	if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING))
-		reg = GPIO_EDGE_MASK(ochip);
-	else
-		reg = GPIO_LEVEL_MASK(ochip);
-
-	pin = d->irq - ochip->secondary_irq_base;
-
-	writel(readl(reg) | (1 << pin), reg);
-}
 
 static int gpio_irq_set_type(struct irq_data *d, u32 type)
 {
-	struct orion_gpio_chip *ochip = irq_data_get_irq_chip_data(d);
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+	struct irq_chip_type *ct = irq_data_get_chip_type(d);
+	struct orion_gpio_chip *ochip = gc->private;
 	int pin;
 	u32 u;
 
-	pin = d->irq - ochip->secondary_irq_base;
+	pin = d->irq - gc->irq_base;
 
 	u = readl(GPIO_IO_CONF(ochip)) & (1 << pin);
 	if (!u) {
@@ -382,18 +339,14 @@ static int gpio_irq_set_type(struct irq_data *d, u32 type)
 		return -EINVAL;
 	}
 
-	/*
-	 * Set edge/level type.
-	 */
-	if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) {
-		__irq_set_handler_locked(d->irq, handle_edge_irq);
-	} else if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) {
-		__irq_set_handler_locked(d->irq, handle_level_irq);
-	} else {
-		printk(KERN_ERR "failed to set irq=%d (type=%d)\n",
-		       d->irq, type);
+	type &= IRQ_TYPE_SENSE_MASK;
+	if (type == IRQ_TYPE_NONE)
 		return -EINVAL;
-	}
+
+	/* Check if we need to change chip and handler */
+	if (!(ct->type & type))
+		if (irq_setup_alt_chip(d, type))
+			return -EINVAL;
 
 	/*
 	 * Configure interrupt polarity.
@@ -425,19 +378,12 @@ static int gpio_irq_set_type(struct irq_data *d, u32 type)
 	return 0;
 }
 
-struct irq_chip orion_gpio_irq_chip = {
-	.name		= "orion_gpio_irq",
-	.irq_ack	= gpio_irq_ack,
-	.irq_mask	= gpio_irq_mask,
-	.irq_unmask	= gpio_irq_unmask,
-	.irq_set_type	= gpio_irq_set_type,
-};
-
 void __init orion_gpio_init(int gpio_base, int ngpio,
 			    u32 base, int mask_offset, int secondary_irq_base)
 {
 	struct orion_gpio_chip *ochip;
-	int i;
+	struct irq_chip_generic *gc;
+	struct irq_chip_type *ct;
 
 	if (orion_gpio_chip_count == ARRAY_SIZE(orion_gpio_chips))
 		return;
@@ -471,15 +417,29 @@ void __init orion_gpio_init(int gpio_base, int ngpio,
 	writel(0, GPIO_EDGE_MASK(ochip));
 	writel(0, GPIO_LEVEL_MASK(ochip));
 
-	for (i = 0; i < ngpio; i++) {
-		unsigned int irq = secondary_irq_base + i;
-
-		irq_set_chip_and_handler(irq, &orion_gpio_irq_chip,
-					 handle_level_irq);
-		irq_set_chip_data(irq, ochip);
-		irq_set_status_flags(irq, IRQ_LEVEL);
-		set_irq_flags(irq, IRQF_VALID);
-	}
+	gc = irq_alloc_generic_chip("orion_gpio_irq", 2, secondary_irq_base,
+				    ochip->base, handle_level_irq);
+	gc->private = ochip;
+
+	ct = gc->chip_types;
+	ct->regs.mask = ochip->mask_offset + GPIO_LEVEL_MASK_OFF;
+	ct->type = IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW;
+	ct->chip.irq_mask = irq_gc_mask_clr_bit;
+	ct->chip.irq_unmask = irq_gc_mask_set_bit;
+	ct->chip.irq_set_type = gpio_irq_set_type;
+
+	ct++;
+	ct->regs.mask = ochip->mask_offset + GPIO_EDGE_MASK_OFF;
+	ct->regs.ack = GPIO_EDGE_CAUSE_OFF;
+	ct->type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING;
+	ct->chip.irq_ack = irq_gc_ack;
+	ct->chip.irq_mask = irq_gc_mask_clr_bit;
+	ct->chip.irq_unmask = irq_gc_mask_set_bit;
+	ct->chip.irq_set_type = gpio_irq_set_type;
+	ct->handler = handle_edge_irq;
+
+	irq_setup_generic_chip(gc, IRQ_MSK(ngpio), IRQ_GC_INIT_MASK_CACHE,
+			       IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE);
 }
 
 void orion_gpio_irq_handler(int pinoff)
diff --git a/arch/arm/plat-orion/include/plat/common.h b/arch/arm/plat-orion/include/plat/common.h
new file mode 100644
index 00000000000..a63c357e2ab
--- /dev/null
+++ b/arch/arm/plat-orion/include/plat/common.h
@@ -0,0 +1,117 @@
+/*
+ * arch/arm/plat-orion/include/plat/common.h
+ *
+ * Marvell Orion SoC common setup code used by different mach-/common.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.
+ */
+
+#ifndef __PLAT_COMMON_H
+#include <linux/mv643xx_eth.h>
+
+struct dsa_platform_data;
+
+void __init orion_uart0_init(unsigned int membase,
+			     resource_size_t mapbase,
+			     unsigned int irq,
+			     unsigned int uartclk);
+
+void __init orion_uart1_init(unsigned int membase,
+			     resource_size_t mapbase,
+			     unsigned int irq,
+			     unsigned int uartclk);
+
+void __init orion_uart2_init(unsigned int membase,
+			     resource_size_t mapbase,
+			     unsigned int irq,
+			     unsigned int uartclk);
+
+void __init orion_uart3_init(unsigned int membase,
+			     resource_size_t mapbase,
+			     unsigned int irq,
+			     unsigned int uartclk);
+
+void __init orion_rtc_init(unsigned long mapbase,
+			   unsigned long irq);
+
+void __init orion_ge00_init(struct mv643xx_eth_platform_data *eth_data,
+			    struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase,
+			    unsigned long irq,
+			    unsigned long irq_err,
+			    int tclk);
+
+void __init orion_ge01_init(struct mv643xx_eth_platform_data *eth_data,
+			    struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase,
+			    unsigned long irq,
+			    unsigned long irq_err,
+			    int tclk);
+
+void __init orion_ge10_init(struct mv643xx_eth_platform_data *eth_data,
+			    struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase,
+			    unsigned long irq,
+			    unsigned long irq_err,
+			    int tclk);
+
+void __init orion_ge11_init(struct mv643xx_eth_platform_data *eth_data,
+			    struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase,
+			    unsigned long irq,
+			    unsigned long irq_err,
+			    int tclk);
+
+void __init orion_ge00_switch_init(struct dsa_platform_data *d,
+				   int irq);
+void __init orion_i2c_init(unsigned long mapbase,
+			   unsigned long irq,
+			   unsigned long freq_m);
+
+void __init orion_i2c_1_init(unsigned long mapbase,
+			     unsigned long irq,
+			     unsigned long freq_m);
+
+void __init orion_spi_init(unsigned long mapbase,
+			   unsigned long tclk);
+
+void __init orion_spi_1_init(unsigned long mapbase,
+			     unsigned long tclk);
+
+void __init orion_wdt_init(unsigned long tclk);
+
+void __init orion_xor0_init(struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase_low,
+			    unsigned long mapbase_high,
+			    unsigned long irq_0,
+			    unsigned long irq_1);
+
+void __init orion_xor1_init(unsigned long mapbase_low,
+			    unsigned long mapbase_high,
+			    unsigned long irq_0,
+			    unsigned long irq_1);
+
+void __init orion_ehci_init(struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase,
+			    unsigned long irq);
+
+void __init orion_ehci_1_init(struct mbus_dram_target_info *mbus_dram_info,
+			      unsigned long mapbase,
+			      unsigned long irq);
+
+void __init orion_ehci_2_init(struct mbus_dram_target_info *mbus_dram_info,
+			      unsigned long mapbase,
+			      unsigned long irq);
+
+void __init orion_sata_init(struct mv_sata_platform_data *sata_data,
+			    struct mbus_dram_target_info *mbus_dram_info,
+			    unsigned long mapbase,
+			    unsigned long irq);
+
+void __init orion_crypto_init(unsigned long mapbase,
+			      unsigned long srambase,
+			      unsigned long sram_size,
+			      unsigned long irq);
+#endif
diff --git a/arch/arm/plat-orion/include/plat/gpio.h b/arch/arm/plat-orion/include/plat/gpio.h
index 5578b9803fc..3075b9fdde8 100644
--- a/arch/arm/plat-orion/include/plat/gpio.h
+++ b/arch/arm/plat-orion/include/plat/gpio.h
@@ -39,7 +39,6 @@ void __init orion_gpio_init(int gpio_base, int ngpio,
 /*
  * GPIO interrupt handling.
  */
-extern struct irq_chip orion_gpio_irq_chip;
 void orion_gpio_irq_handler(int irqoff);
 
 
diff --git a/arch/arm/plat-orion/include/plat/mpp.h b/arch/arm/plat-orion/include/plat/mpp.h
new file mode 100644
index 00000000000..723adce99f4
--- /dev/null
+++ b/arch/arm/plat-orion/include/plat/mpp.h
@@ -0,0 +1,34 @@
+/*
+ * arch/arm/plat-orion/include/plat/mpp.h
+ *
+ * Marvell Orion SoC MPP handling.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __PLAT_MPP_H
+#define __PLAT_MPP_H
+
+#define MPP_NUM(x)	((x) & 0xff)
+#define MPP_SEL(x)	(((x) >> 8) & 0xf)
+
+/* This is the generic MPP macro, without any variant information.
+   Each machine architecture is expected to extend this with further
+   bit fields indicating which MPP configurations are valid for a
+   specific variant. */
+
+#define GENERIC_MPP(_num, _sel, _in, _out) ( \
+	/* MPP number */		((_num) & 0xff) | \
+	/* MPP select value */		(((_sel) & 0xf) << 8) | \
+	/* may be input signal */	((!!(_in)) << 12) | \
+	/* may be output signal */	((!!(_out)) << 13))
+
+#define MPP_INPUT_MASK		GENERIC_MPP(0, 0x0, 1, 0)
+#define MPP_OUTPUT_MASK		GENERIC_MPP(0, 0x0, 0, 1)
+
+void __init orion_mpp_conf(unsigned int *mpp_list, unsigned int variant_mask,
+			   unsigned int mpp_max, unsigned int dev_bus);
+
+#endif
diff --git a/arch/arm/plat-orion/irq.c b/arch/arm/plat-orion/irq.c
index d8d638e09f8..2d5b9c1ef38 100644
--- a/arch/arm/plat-orion/irq.c
+++ b/arch/arm/plat-orion/irq.c
@@ -14,52 +14,21 @@
 #include <linux/io.h>
 #include <plat/irq.h>
 
-static void orion_irq_mask(struct irq_data *d)
-{
-	void __iomem *maskaddr = irq_data_get_irq_chip_data(d);
-	u32 mask;
-
-	mask = readl(maskaddr);
-	mask &= ~(1 << (d->irq & 31));
-	writel(mask, maskaddr);
-}
-
-static void orion_irq_unmask(struct irq_data *d)
-{
-	void __iomem *maskaddr = irq_data_get_irq_chip_data(d);
-	u32 mask;
-
-	mask = readl(maskaddr);
-	mask |= 1 << (d->irq & 31);
-	writel(mask, maskaddr);
-}
-
-static struct irq_chip orion_irq_chip = {
-	.name		= "orion_irq",
-	.irq_mask	= orion_irq_mask,
-	.irq_mask_ack	= orion_irq_mask,
-	.irq_unmask	= orion_irq_unmask,
-};
-
 void __init orion_irq_init(unsigned int irq_start, void __iomem *maskaddr)
 {
-	unsigned int i;
+	struct irq_chip_generic *gc;
+	struct irq_chip_type *ct;
 
 	/*
 	 * Mask all interrupts initially.
 	 */
 	writel(0, maskaddr);
 
-	/*
-	 * Register IRQ sources.
-	 */
-	for (i = 0; i < 32; i++) {
-		unsigned int irq = irq_start + i;
-
-		irq_set_chip_and_handler(irq, &orion_irq_chip,
-					 handle_level_irq);
-		irq_set_chip_data(irq, maskaddr);
-		irq_set_status_flags(irq, IRQ_LEVEL);
-		set_irq_flags(irq, IRQF_VALID);
-	}
+	gc = irq_alloc_generic_chip("orion_irq", 1, irq_start, maskaddr,
+				    handle_level_irq);
+	ct = gc->chip_types;
+	ct->chip.irq_mask = irq_gc_mask_clr_bit;
+	ct->chip.irq_unmask = irq_gc_mask_set_bit;
+	irq_setup_generic_chip(gc, IRQ_MSK(32), IRQ_GC_INIT_MASK_CACHE,
+			       IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE);
 }
diff --git a/arch/arm/plat-orion/mpp.c b/arch/arm/plat-orion/mpp.c
new file mode 100644
index 00000000000..91553432711
--- /dev/null
+++ b/arch/arm/plat-orion/mpp.c
@@ -0,0 +1,78 @@
+/*
+ * arch/arm/plat-orion/mpp.c
+ *
+ * MPP functions for Marvell orion SoCs
+ *
+ * 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 <linux/gpio.h>
+#include <mach/hardware.h>
+#include <plat/mpp.h>
+
+/* Address of the ith MPP control register */
+static __init unsigned long mpp_ctrl_addr(unsigned int i,
+					  unsigned long dev_bus)
+{
+	return dev_bus + (i) * 4;
+}
+
+
+void __init orion_mpp_conf(unsigned int *mpp_list, unsigned int variant_mask,
+			   unsigned int mpp_max, unsigned int dev_bus)
+{
+	unsigned int mpp_nr_regs = (1 + mpp_max/8);
+	u32 mpp_ctrl[mpp_nr_regs];
+	int i;
+
+	printk(KERN_DEBUG "initial MPP regs:");
+	for (i = 0; i < mpp_nr_regs; i++) {
+		mpp_ctrl[i] = readl(mpp_ctrl_addr(i, dev_bus));
+		printk(" %08x", mpp_ctrl[i]);
+	}
+	printk("\n");
+
+	for ( ; *mpp_list; mpp_list++) {
+		unsigned int num = MPP_NUM(*mpp_list);
+		unsigned int sel = MPP_SEL(*mpp_list);
+		int shift, gpio_mode;
+
+		if (num > mpp_max) {
+			printk(KERN_ERR "orion_mpp_conf: invalid MPP "
+					"number (%u)\n", num);
+			continue;
+		}
+		if (variant_mask & !(*mpp_list & variant_mask)) {
+			printk(KERN_WARNING
+			       "orion_mpp_conf: requested MPP%u config "
+			       "unavailable on this hardware\n", num);
+			continue;
+		}
+
+		shift = (num & 7) << 2;
+		mpp_ctrl[num / 8] &= ~(0xf << shift);
+		mpp_ctrl[num / 8] |= sel << shift;
+
+		gpio_mode = 0;
+		if (*mpp_list & MPP_INPUT_MASK)
+			gpio_mode |= GPIO_INPUT_OK;
+		if (*mpp_list & MPP_OUTPUT_MASK)
+			gpio_mode |= GPIO_OUTPUT_OK;
+		if (sel != 0)
+			gpio_mode = 0;
+		orion_gpio_set_valid(num, gpio_mode);
+	}
+
+	printk(KERN_DEBUG "  final MPP regs:");
+	for (i = 0; i < mpp_nr_regs; i++) {
+		writel(mpp_ctrl[i], mpp_ctrl_addr(i, dev_bus));
+		printk(" %08x", mpp_ctrl[i]);
+	}
+	printk("\n");
+}