openwrtv3/target/linux/cns3xxx/patches/100-laguna_support.patch

--- /dev/null
+++ b/arch/arm/mach-cns3xxx/laguna.c
@@ -0,0 +1,671 @@
+/*
+ * Gateworks Corporation Laguna Platform
+ *
+ * Copyright 2000 Deep Blue Solutions Ltd
+ * Copyright 2008 ARM Limited
+ * Copyright 2008 Cavium Networks
+ *		  Scott Shu
+ * Copyright 2010 MontaVista Software, LLC.
+ *		  Anton Vorontsov <avorontsov@mvista.com>
+ * Copyright 2011 Gateworks Corporation
+ *		  Chris Lang <clang@gateworks.com>
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, Version 2, as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/compiler.h>
+#include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/serial_core.h>
+#include <linux/serial_8250.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/partitions.h>
+#include <linux/leds.h>
+#include <linux/i2c.h>
+#include <linux/i2c/at24.h>
+#include <linux/i2c/pca953x.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+#include <linux/if_ether.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <mach/hardware.h>
+#include <mach/cns3xxx.h>
+#include <mach/irqs.h>
+#include <mach/pm.h>
+#include "core.h"
+#include "devices.h"
+
+// Config 1 Bitmap
+#define ETH0_LOAD           BIT(0)
+#define ETH1_LOAD           BIT(1)
+#define ETH2_LOAD           BIT(2)
+#define SATA0_LOAD          BIT(3)
+#define SATA1_LOAD          BIT(4)
+#define PCM_LOAD            BIT(5)
+#define I2S_LOAD            BIT(6)
+#define SPI0_LOAD           BIT(7)
+#define SPI1_LOAD           BIT(8)
+#define PCIE0_LOAD          BIT(9)
+#define PCIE1_LOAD          BIT(10)
+#define USB0_LOAD           BIT(11)
+#define USB1_LOAD           BIT(12)
+#define USB1_ROUTE          BIT(13)
+#define SD_LOAD             BIT(14)
+#define UART0_LOAD          BIT(15)
+#define UART1_LOAD          BIT(16)
+#define UART2_LOAD          BIT(17)
+#define MPCI0_LOAD          BIT(18)
+#define MPCI1_LOAD          BIT(19)
+#define MPCI2_LOAD          BIT(20)
+#define MPCI3_LOAD          BIT(21)
+#define FP_BUT_LOAD         BIT(22)
+#define FP_BUT_HEADER_LOAD  BIT(23)
+#define FP_LED_LOAD         BIT(24)
+#define FP_LED_HEADER_LOAD  BIT(25)
+#define FP_TAMPER_LOAD      BIT(26)
+#define HEADER_33V_LOAD     BIT(27)
+#define SATA_POWER_LOAD     BIT(28)
+#define FP_POWER_LOAD       BIT(29)
+#define GPIO_HEADER_LOAD    BIT(30)
+#define GSP_BAT_LOAD        BIT(31)
+
+// Config 2 Bitmap
+#define FAN_LOAD            BIT(0)
+#define SPI_FLASH_LOAD      BIT(1)
+#define NOR_FLASH_LOAD      BIT(2)
+#define GPS_LOAD            BIT(3)
+#define SUPPLY_5V_LOAD      BIT(6)
+#define SUPPLY_33V_LOAD     BIT(7)
+
+struct laguna_board_info {
+	char model[16];
+	u32 config_bitmap;
+	u32 config2_bitmap;
+	u8 nor_flash_size;
+	u8 spi_flash_size;
+};
+
+static struct laguna_board_info laguna_info __initdata;
+
+/*
+ * NOR Flash
+ */
+static struct mtd_partition laguna_nor_partitions[] = {
+	{
+		.name		= "uboot",
+		.size		= SZ_256K,
+		.offset		= 0,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "params",
+		.size		= SZ_128K,
+		.offset		= SZ_256K,
+	}, {
+		.name		= "kernel",
+		.size		= SZ_2M,
+		.offset		= SZ_256K + SZ_128K,
+	}, {
+		.name		= "rootfs",
+		.size		= SZ_16M - SZ_256K - SZ_128K - SZ_2M,
+		.offset		= SZ_256K + SZ_128K + SZ_2M,
+	},
+};
+
+static struct physmap_flash_data laguna_nor_pdata = {
+	.width = 2,
+	.parts = laguna_nor_partitions,
+	.nr_parts = ARRAY_SIZE(laguna_nor_partitions),
+};
+
+static struct resource laguna_nor_res = {
+	.start = CNS3XXX_FLASH_BASE,
+	.end = CNS3XXX_FLASH_BASE + SZ_128M - 1,
+	.flags = IORESOURCE_MEM | IORESOURCE_MEM_32BIT,
+};
+
+static struct platform_device laguna_nor_pdev = {
+	.name = "physmap-flash",
+	.id = 0,
+	.resource = &laguna_nor_res,
+	.num_resources = 1,
+	.dev = {
+		.platform_data = &laguna_nor_pdata,
+	},
+};
+
+/*
+ * SPI
+ */
+static struct mtd_partition laguna_spi_partitions[] = {
+	{
+		.name		= "uboot",
+		.size		= SZ_256K,
+		.offset		= 0,
+		.mask_flags	= MTD_WRITEABLE,
+	}, {
+		.name		= "params",
+		.size		= SZ_256K,
+		.offset		= SZ_256K,
+	}, {
+		.name		= "kernel",
+		.size		= SZ_1M + SZ_512K,
+		.offset		= SZ_512K,
+	}, {
+		.name		= "rootfs",
+		.size		= SZ_16M - SZ_2M,
+		.offset		= SZ_2M,
+	},
+};
+
+static struct flash_platform_data laguna_spi_pdata = {
+	.parts = laguna_spi_partitions,
+	.nr_parts = ARRAY_SIZE(laguna_spi_partitions),
+};
+
+static struct spi_board_info __initdata laguna_spi_devices[] = {
+	{
+		.modalias = "m25p80",
+		.platform_data = &laguna_spi_pdata,
+		.max_speed_hz = 50000000,
+		.bus_num = 1,
+		.chip_select = 0,
+	},
+};
+
+static struct platform_device laguna_spi_controller = {
+	.name = "cns3xxx_spi",
+};
+
+/*
+ * LED's
+ */
+static struct gpio_led laguna_gpio_leds[] = {
+	{
+		.name = "user1", /* Green Led */
+		.gpio = 115,
+		.active_low = 1,
+	},{
+		.name = "user2", /* Red Led */
+		.gpio = 114,
+		.active_low = 1,
+	},
+};
+
+static struct gpio_led_platform_data laguna_gpio_leds_data = {
+	.num_leds = 2,
+	.leds = laguna_gpio_leds,
+};
+
+static struct platform_device laguna_gpio_leds_device = {
+	.name = "leds-gpio",
+	.id = -1,
+	.dev.platform_data = &laguna_gpio_leds_data,
+};
+
+/*
+ * Ethernet
+ */
+static struct cns3xxx_plat_info laguna_net_data = {
+	.ports = 0,
+	.phy = {
+		0,
+		1,
+		2,
+	},
+};
+
+static struct platform_device laguna_net_device = {
+	.name = "cns3xxx_eth",
+	.id = 0,
+	.dev.platform_data = &laguna_net_data,
+};
+
+/*
+ * UART
+ */
+static void __init laguna_early_serial_setup(void)
+{
+#ifdef CONFIG_SERIAL_8250_CONSOLE
+	static struct uart_port laguna_serial_port = {
+		.membase        = (void __iomem *)CNS3XXX_UART0_BASE_VIRT,
+		.mapbase        = CNS3XXX_UART0_BASE,
+		.irq            = IRQ_CNS3XXX_UART0,
+		.iotype         = UPIO_MEM,
+		.flags          = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE,
+		.regshift       = 2,
+		.uartclk        = 24000000,
+		.line           = 0,
+		.type           = PORT_16550A,
+		.fifosize       = 16,
+	};
+
+	early_serial_setup(&laguna_serial_port);
+#endif
+}
+
+static struct resource laguna_uart_resources[] = {
+	{
+		.start = CNS3XXX_UART0_BASE,
+		.end   = CNS3XXX_UART0_BASE + SZ_4K - 1,
+		.flags    = IORESOURCE_MEM
+	},{
+		.start = CNS3XXX_UART2_BASE,
+		.end   = CNS3XXX_UART2_BASE + SZ_4K - 1,
+		.flags    = IORESOURCE_MEM
+	},{
+		.start = CNS3XXX_UART2_BASE,
+		.end   = CNS3XXX_UART2_BASE + SZ_4K - 1,
+		.flags    = IORESOURCE_MEM
+	},
+};
+
+static struct plat_serial8250_port laguna_uart_data[] = {
+	{
+		.membase        = (char*) (CNS3XXX_UART0_BASE_VIRT),
+		.mapbase        = (CNS3XXX_UART0_BASE),
+		.irq            = IRQ_CNS3XXX_UART0,
+		.iotype         = UPIO_MEM,
+		.flags          = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST,
+		.regshift       = 2,
+		.uartclk        = 24000000,
+		.type           = PORT_16550A,
+	},{
+		.membase        = (char*) (CNS3XXX_UART1_BASE_VIRT),
+		.mapbase        = (CNS3XXX_UART1_BASE),
+		.irq            = IRQ_CNS3XXX_UART1,
+		.iotype         = UPIO_MEM,
+		.flags          = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST,
+		.regshift       = 2,
+		.uartclk        = 24000000,
+		.type           = PORT_16550A,
+	},{
+		.membase        = (char*) (CNS3XXX_UART2_BASE_VIRT),
+		.mapbase        = (CNS3XXX_UART2_BASE),
+		.irq            = IRQ_CNS3XXX_UART2,
+		.iotype         = UPIO_MEM,
+		.flags          = UPF_BOOT_AUTOCONF | UPF_FIXED_TYPE | UPF_NO_TXEN_TEST,
+		.regshift       = 2,
+		.uartclk        = 24000000,
+		.type           = PORT_16550A,
+	},
+};
+
+static struct platform_device laguna_uart = {
+	.name     = "serial8250",
+	.id     = PLAT8250_DEV_PLATFORM,
+	.dev.platform_data  = laguna_uart_data,
+	.num_resources    = 3,
+	.resource   = laguna_uart_resources
+};
+
+/*
+ * USB
+ */
+static struct resource cns3xxx_usb_ehci_resources[] = {
+	[0] = {
+		.start = CNS3XXX_USB_BASE,
+		.end   = CNS3XXX_USB_BASE + SZ_16M - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_CNS3XXX_USB_EHCI,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static u64 cns3xxx_usb_ehci_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device cns3xxx_usb_ehci_device = {
+	.name          = "cns3xxx-ehci",
+	.num_resources = ARRAY_SIZE(cns3xxx_usb_ehci_resources),
+	.resource      = cns3xxx_usb_ehci_resources,
+	.dev           = {
+		.dma_mask          = &cns3xxx_usb_ehci_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
+
+static struct resource cns3xxx_usb_ohci_resources[] = {
+	[0] = {
+		.start = CNS3XXX_USB_OHCI_BASE,
+		.end   = CNS3XXX_USB_OHCI_BASE + SZ_16M - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_CNS3XXX_USB_OHCI,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static u64 cns3xxx_usb_ohci_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device cns3xxx_usb_ohci_device = {
+	.name          = "cns3xxx-ohci",
+	.num_resources = ARRAY_SIZE(cns3xxx_usb_ohci_resources),
+	.resource      = cns3xxx_usb_ohci_resources,
+	.dev           = {
+		.dma_mask          = &cns3xxx_usb_ohci_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
+
+static struct resource cns3xxx_usb_otg_resources[] = {
+	[0] = {
+		.start = CNS3XXX_USBOTG_BASE,
+		.end   = CNS3XXX_USBOTG_BASE + SZ_16M - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_CNS3XXX_USB_OTG,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static u64 cns3xxx_usb_otg_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device cns3xxx_usb_otg_device = {
+	.name          = "dwc_otg",
+	.num_resources = ARRAY_SIZE(cns3xxx_usb_otg_resources),
+	.resource      = cns3xxx_usb_otg_resources,
+	.dev           = {
+		.dma_mask          = &cns3xxx_usb_otg_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
+
+/*
+ * I2C
+ */
+static struct resource laguna_i2c_resource[] = {
+	{
+		.start    = CNS3XXX_SSP_BASE + 0x20,
+		.end      = 0x7100003f,
+		.flags    = IORESOURCE_MEM,
+	},{
+		.start    = IRQ_CNS3XXX_I2C,
+		.flags    = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device laguna_i2c_controller = {
+	.name   = "cns3xxx-i2c",
+	.num_resources  = 2,
+	.resource = laguna_i2c_resource,
+};
+
+static struct memory_accessor *at24_mem_acc;
+
+static void at24_setup(struct memory_accessor *mem_acc, void *context)
+{
+	char buf[8];
+
+	at24_mem_acc = mem_acc;
+
+	/* Read MAC addresses */
+	if (at24_mem_acc->read(at24_mem_acc, buf, 0x100, 6) == 6)
+		memcpy(&laguna_net_data.hwaddr[0], buf, ETH_ALEN);
+	if (at24_mem_acc->read(at24_mem_acc, buf, 0x106, 6) == 6)
+		memcpy(&laguna_net_data.hwaddr[1], buf, ETH_ALEN);
+	if (at24_mem_acc->read(at24_mem_acc, buf, 0x10C, 6) == 6)
+		memcpy(&laguna_net_data.hwaddr[2], buf, ETH_ALEN);
+	if (at24_mem_acc->read(at24_mem_acc, buf, 0x112, 6) == 6)
+		memcpy(&laguna_net_data.hwaddr[3], buf, ETH_ALEN);
+
+	/* Read out Model Information */
+	if (at24_mem_acc->read(at24_mem_acc, buf, 0x130, 16) == 16)
+		memcpy(&laguna_info.model, buf, 16);
+	if (at24_mem_acc->read(at24_mem_acc, buf, 0x140, 1) == 1)
+		memcpy(&laguna_info.nor_flash_size, buf, 1);
+	if (at24_mem_acc->read(at24_mem_acc, buf, 0x141, 1) == 1)
+		memcpy(&laguna_info.spi_flash_size, buf, 1);
+	if (at24_mem_acc->read(at24_mem_acc, buf, 0x142, 4) == 4)
+		memcpy(&laguna_info.config_bitmap, buf, 4);
+	if (at24_mem_acc->read(at24_mem_acc, buf, 0x146, 4) == 4)
+		memcpy(&laguna_info.config2_bitmap, buf, 4);
+};
+
+static struct at24_platform_data laguna_eeprom_info = {
+	.byte_len = 1024,
+	.page_size = 16,
+	.flags = AT24_FLAG_READONLY,
+	.setup = at24_setup,
+};
+
+static struct pca953x_platform_data laguna_pca_data = {
+ 	.gpio_base = 100,
+};
+
+static struct i2c_board_info __initdata laguna_i2c_devices[] = {
+	{
+		I2C_BOARD_INFO("pca9555", 0x23),
+		.platform_data = &laguna_pca_data,
+	},{
+		I2C_BOARD_INFO("gsp", 0x29),
+	},{
+		I2C_BOARD_INFO ("24c08",0x50),
+		.platform_data = &laguna_eeprom_info,
+	},{
+		I2C_BOARD_INFO("ds1672", 0x68),
+	},
+};
+
+/*
+ * Watchdog
+ */
+
+static struct resource laguna_watchdog_resource[] = {
+	{
+		.start = CNS3XXX_TC11MP_TWD_BASE,
+		.end = CNS3XXX_TC11MP_TWD_BASE + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
+	},{
+		.start = IRQ_LOCALWDOG,
+		.end = IRQ_LOCALWDOG,
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device laguna_watchdog = {
+	.name = "mpcore_wdt",
+	.id = -1,
+	.num_resources = ARRAY_SIZE(laguna_watchdog_resource),
+	.resource = laguna_watchdog_resource,
+};
+
+/*
+ * Initialization
+ */
+
+static void __init laguna_init(void)
+{
+	platform_device_register(&laguna_watchdog);
+
+	platform_device_register(&laguna_i2c_controller);
+
+	i2c_register_board_info(0, laguna_i2c_devices,
+			ARRAY_SIZE(laguna_i2c_devices));
+
+
+	pm_power_off = cns3xxx_power_off;
+}
+
+static struct map_desc laguna_io_desc[] __initdata = {
+	{
+		.virtual	= CNS3XXX_UART0_BASE_VIRT,
+		.pfn		= __phys_to_pfn(CNS3XXX_UART0_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},{
+		.virtual	= CNS3XXX_UART1_BASE_VIRT,
+		.pfn		= __phys_to_pfn(CNS3XXX_UART1_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},{
+		.virtual	= CNS3XXX_UART2_BASE_VIRT,
+		.pfn		= __phys_to_pfn(CNS3XXX_UART2_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},
+};
+
+static void __init laguna_map_io(void)
+{
+	cns3xxx_map_io();
+	iotable_init(laguna_io_desc, ARRAY_SIZE(laguna_io_desc));
+
+	laguna_early_serial_setup();
+}
+
+
+static int __init laguna_model_setup(void)
+{
+	u32 __iomem *mem;
+	u32 reg;
+	u8 pcie_bitmap = 0;
+
+	printk("Running on Gateworks Laguna %s\n", laguna_info.model);
+
+	if (strncmp(laguna_info.model, "GW", 2) == 0) {
+		if (laguna_info.config_bitmap & ETH0_LOAD)
+			laguna_net_data.ports |= BIT(0);
+		if (laguna_info.config_bitmap & ETH1_LOAD)
+			laguna_net_data.ports |= BIT(1);
+		if (laguna_info.config_bitmap & ETH2_LOAD)
+			laguna_net_data.ports |= BIT(2);
+		if (laguna_net_data.ports)
+			platform_device_register(&laguna_net_device);
+
+		if (laguna_info.config_bitmap & (SATA0_LOAD | SATA1_LOAD))
+			cns3xxx_ahci_init();
+
+		if (laguna_info.config_bitmap & (PCIE0_LOAD))
+			pcie_bitmap |= 0x1;
+
+		if (laguna_info.config_bitmap & (PCIE1_LOAD))
+			pcie_bitmap |= 0x2;
+
+		cns3xxx_pcie_init(pcie_bitmap);
+
+		if (laguna_info.config_bitmap & (USB0_LOAD)) {
+			cns3xxx_pwr_power_up(1 << PM_PLL_HM_PD_CTRL_REG_OFFSET_PLL_USB);
+
+			/* DRVVBUS pins share with GPIOA */
+			mem = (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0014);
+			reg = __raw_readl(mem);
+			reg |= 0x8;
+			__raw_writel(reg, mem);
+
+			/* Enable OTG */
+			mem = (void __iomem *)(CNS3XXX_MISC_BASE_VIRT + 0x0808);
+			reg = __raw_readl(mem);
+			reg &= ~(1 << 10);
+			__raw_writel(reg, mem);
+
+			platform_device_register(&cns3xxx_usb_otg_device);
+		}
+
+		if (laguna_info.config_bitmap & (USB1_LOAD)) {
+			platform_device_register(&cns3xxx_usb_ehci_device);
+			platform_device_register(&cns3xxx_usb_ohci_device);
+		}
+
+		if (laguna_info.config_bitmap & (SD_LOAD))
+			cns3xxx_sdhci_init();
+
+		if (laguna_info.config_bitmap & (UART0_LOAD))
+			laguna_uart.num_resources = 1;
+		if (laguna_info.config_bitmap & (UART1_LOAD))
+			laguna_uart.num_resources = 2;
+		if (laguna_info.config_bitmap & (UART2_LOAD))
+			laguna_uart.num_resources = 3;
+		platform_device_register(&laguna_uart);
+
+		if (laguna_info.config2_bitmap & (NOR_FLASH_LOAD)) {
+			switch (laguna_info.nor_flash_size) {
+				case 1:
+					laguna_nor_partitions[3].size = SZ_8M - SZ_256K - SZ_128K - SZ_2M;
+					laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_8M - 1;
+				break;
+				case 2:
+					laguna_nor_partitions[3].size = SZ_16M - SZ_256K - SZ_128K - SZ_2M;
+					laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_16M - 1;
+				break;
+				case 3:
+					laguna_nor_partitions[3].size = SZ_32M - SZ_256K - SZ_128K - SZ_2M;
+					laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_32M - 1;
+				break;
+				case 4:
+					laguna_nor_partitions[3].size = SZ_64M - SZ_256K - SZ_128K - SZ_2M;
+					laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_64M - 1;
+				break;
+				case 5:
+					laguna_nor_partitions[3].size = SZ_128M - SZ_256K - SZ_128K - SZ_2M;
+					laguna_nor_res.end = CNS3XXX_FLASH_BASE + SZ_128M - 1;
+				break;
+			}
+			platform_device_register(&laguna_nor_pdev);
+		}
+
+		if (laguna_info.config2_bitmap & (SPI_FLASH_LOAD)) {
+			switch (laguna_info.spi_flash_size) {
+				case 1:
+					laguna_spi_partitions[3].size = SZ_4M - SZ_2M;
+				break;
+				case 2:
+					laguna_spi_partitions[3].size = SZ_8M - SZ_2M;
+				break;
+				case 3:
+					laguna_spi_partitions[3].size = SZ_16M - SZ_2M;
+				break;
+				case 4:
+					laguna_spi_partitions[3].size = SZ_32M - SZ_2M;
+				break;
+				case 5:
+					laguna_spi_partitions[3].size = SZ_64M - SZ_2M;
+				break;
+			}
+			spi_register_board_info(laguna_spi_devices, ARRAY_SIZE(laguna_spi_devices));
+		}
+
+		if (laguna_info.config_bitmap & (SPI0_LOAD | SPI1_LOAD)) {
+			platform_device_register(&laguna_spi_controller);
+		}
+
+		/*
+		 * Do any model specific setup not known by the bitmap by matching
+		 *  the first 6 characters of the model name
+		 */
+
+		if (strncmp(laguna_info.model, "GW2388", 6) == 0) {
+			platform_device_register(&laguna_gpio_leds_device);
+		} else if (strncmp(laguna_info.model, "GW2380", 6) == 0) {
+			laguna_gpio_leds[0].gpio = 107;
+			laguna_gpio_leds[1].gpio = 106;
+			laguna_gpio_leds_data.num_leds = 2;
+			platform_device_register(&laguna_gpio_leds_device);
+		}
+	} else {
+		// Do some defaults here, not sure what yet
+	}
+	return 0;
+}
+
+late_initcall(laguna_model_setup);
+
+MACHINE_START(GW2388, "Gateworks Corporation Laguna Platform")
+	.boot_params	= 0x00000100,
+	.map_io		= laguna_map_io,
+	.init_irq	= cns3xxx_init_irq,
+	.timer		= &cns3xxx_timer,
+	.init_machine	= laguna_init,
+MACHINE_END
--- a/arch/arm/mach-cns3xxx/Kconfig
+++ b/arch/arm/mach-cns3xxx/Kconfig
@@ -10,4 +10,13 @@ config MACH_CNS3420VB
 	  This is a platform with an on-board ARM11 MPCore and has support
 	  for USB, USB-OTG, MMC/SD/SDIO, SATA, PCI-E, etc.
 
+config MACH_GW2388
+	bool "Support for Gateworks Laguna Platform"
+	select MIGHT_HAVE_PCI
+	help
+	  Include support for the Gateworks Laguna Platform
+
+	  This is a platform with an on-board ARM11 MPCore and has support
+	  for USB, USB-OTG, MMC/SD/SDIO, SATA, PCI-E, I2C, GIG, etc.
+
 endmenu
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -16,6 +16,7 @@
 #include <asm/mach/time.h>
 #include <asm/mach/irq.h>
 #include <asm/hardware/gic.h>
+#include <asm/smp_twd.h>
 #include <mach/cns3xxx.h>
 #include "core.h"
 
@@ -60,11 +61,24 @@ static struct map_desc cns3xxx_io_desc[]
 		.pfn		= __phys_to_pfn(CNS3XXX_PM_BASE),
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
+	}, {
+		.virtual	= CNS3XXX_SWITCH_BASE_VIRT,
+		.pfn		= __phys_to_pfn(CNS3XXX_SWITCH_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= CNS3XXX_SSP_BASE_VIRT,
+		.pfn		= __phys_to_pfn(CNS3XXX_SSP_BASE),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
 	},
 };
 
 void __init cns3xxx_map_io(void)
 {
+#ifdef CONFIG_LOCAL_TIMERS
+	twd_base = (void __iomem *) CNS3XXX_TC11MP_TWD_BASE_VIRT;
+#endif
 	iotable_init(cns3xxx_io_desc, ARRAY_SIZE(cns3xxx_io_desc));
 }
 
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -313,6 +313,7 @@ config ARCH_CLPS711X
 config ARCH_CNS3XXX
 	bool "Cavium Networks CNS3XXX family"
 	select CPU_V6
+	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select GENERIC_CLOCKEVENTS
 	select ARM_GIC
 	select MIGHT_HAVE_PCI
--- /dev/null
+++ b/arch/arm/mach-cns3xxx/include/mach/gpio.h
@@ -0,0 +1,98 @@
+/*
+ * arch/arm/mach-cns3xxx/include/mach/gpio.h
+ *
+ * CNS3xxx GPIO wrappers for arch-neutral GPIO calls
+ *
+ * Copyright 2011 Gateworks Corporation
+ *		  Chris Lang <clang@gateworks.com>
+ *
+ * Based on IXP implementation by Milan Svoboda <msvoboda@ra.rockwell.com>
+ * Based on PXA implementation by Philipp Zabel <philipp.zabel@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ASM_ARCH_CNS3XXX_GPIO_H
+#define __ASM_ARCH_CNS3XXX_GPIO_H
+
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <mach/hardware.h>
+#include <asm-generic/gpio.h>			/* cansleep wrappers */
+
+#define NR_BUILTIN_GPIO 64
+
+#define CNS3XXX_GPIO_IN    0x0
+#define CNS3XXX_GPIO_OUT   0x1
+
+#define CNS3XXX_GPIO_LO   0
+#define CNS3XXX_GPIO_HI   1
+
+#define CNS3XXX_GPIO_OUTPUT         0x00
+#define CNS3XXX_GPIO_INPUT          0x04
+#define CNS3XXX_GPIO_DIR            0x08
+#define CNS3XXX_GPIO_SET            0x10
+#define CNS3XXX_GPIO_CLEAR          0x14
+
+static inline void gpio_line_get(u8 line, int *value)
+{
+	if (line < 32)
+		*value = ((__raw_readl(CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_INPUT) >> line) & 0x1);
+	else
+		*value = ((__raw_readl(CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_INPUT) >> (line - 32)) & 0x1);
+}
+
+static inline void gpio_line_set(u8 line, int value)
+{
+	if (line < 32) {
+		if (value)
+			__raw_writel((1 << line), CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_SET);
+		else
+			__raw_writel((1 << line), CNS3XXX_GPIOA_BASE_VIRT + CNS3XXX_GPIO_CLEAR);
+	} else {
+		if (value)
+			__raw_writel((1 << line), CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_SET);
+		else
+			__raw_writel((1 << line), CNS3XXX_GPIOB_BASE_VIRT + CNS3XXX_GPIO_CLEAR);
+	}
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+	if (gpio < NR_BUILTIN_GPIO)
+	{
+		int value;
+		gpio_line_get(gpio, &value);
+		return value;
+	}
+	else
+		return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+	if (gpio < NR_BUILTIN_GPIO)
+		gpio_line_set(gpio, value);
+	else
+		__gpio_set_value(gpio, value);
+}
+
+#define gpio_cansleep __gpio_cansleep
+
+extern int gpio_to_irq(int gpio);
+extern int irq_to_gpio(int gpio);
+
+#endif
--- a/arch/arm/mach-cns3xxx/Makefile
+++ b/arch/arm/mach-cns3xxx/Makefile
@@ -1,6 +1,7 @@
 obj-$(CONFIG_ARCH_CNS3XXX)		+= core.o pm.o devices.o
 obj-$(CONFIG_PCI)			+= pcie.o
 obj-$(CONFIG_MACH_CNS3420VB)		+= cns3420vb.o
+obj-$(CONFIG_MACH_GW2388)		+= laguna.o
 obj-$(CONFIG_SMP)			+= platsmp.o headsmp.o
 obj-$(CONFIG_HOTPLUG_CPU)		+= hotplug.o
 obj-$(CONFIG_LOCAL_TIMERS)		+= localtimer.o
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -438,6 +438,7 @@ icontrol		MACH_ICONTROL		ICONTROL		2624
 qsd8x50a_st1_5		MACH_QSD8X50A_ST1_5	QSD8X50A_ST1_5		2627
 mx23evk			MACH_MX23EVK		MX23EVK			2629
 ap4evb			MACH_AP4EVB		AP4EVB			2630
+gw2388			MACH_GW2388		GW2388			2635
 mityomapl138		MACH_MITYOMAPL138	MITYOMAPL138		2650
 guruplug		MACH_GURUPLUG		GURUPLUG		2659
 spear310		MACH_SPEAR310		SPEAR310		2660
--- a/arch/arm/mach-cns3xxx/pcie.c
+++ b/arch/arm/mach-cns3xxx/pcie.c
@@ -365,7 +365,7 @@ static int cns3xxx_pcie_abort_handler(un
 	return 0;
 }
 
-static int __init cns3xxx_pcie_init(void)
+int cns3xxx_pcie_init(u8 bitmap)
 {
 	int i;
 
@@ -373,6 +373,9 @@ static int __init cns3xxx_pcie_init(void
 			"imprecise external abort");
 
 	for (i = 0; i < ARRAY_SIZE(cns3xxx_pcie); i++) {
+		if (!(bitmap & (1 << i)))
+			continue;
+
 		iotable_init(cns3xxx_pcie[i].cfg_bases,
 			     ARRAY_SIZE(cns3xxx_pcie[i].cfg_bases));
 		cns3xxx_pcie_check_link(&cns3xxx_pcie[i]);
@@ -384,4 +387,3 @@ static int __init cns3xxx_pcie_init(void
 
 	return 0;
 }
-device_initcall(cns3xxx_pcie_init);
--- a/arch/arm/mach-cns3xxx/cns3420vb.c
+++ b/arch/arm/mach-cns3xxx/cns3420vb.c
@@ -175,6 +175,8 @@ static void __init cns3420_init(void)
 	cns3xxx_ahci_init();
 	cns3xxx_sdhci_init();
 
+	cns3xxx_pcie_init(0x3);
+
 	pm_power_off = cns3xxx_power_off;
 }
 
--- a/arch/arm/mach-cns3xxx/include/mach/platform.h
+++ b/arch/arm/mach-cns3xxx/include/mach/platform.h
@@ -22,5 +22,7 @@ struct cns3xxx_plat_info {
 	u32 phy[3];
 };
 
+extern int cns3xxx_pcie_init(u8 bitmap);
+
 #endif /* __ASM_ARCH_PLATFORM_H */
 #endif