OpenWrt – Rev 1

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--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -93,6 +93,14 @@ config MACH_SIDEWINDER
          Engineering Sidewinder board. For more information on this
          platform, see http://www.adiengineering.com
 
+config MACH_USR8200
+       bool "USRobotics USR8200"
+       select PCI
+       help
+         Say 'Y' here if you want your kernel to support the USRobotics
+         USR8200 router board. For more information on this platform, see
+         http://openwrt.org
+
 config MACH_COMPEXWP18
        bool "Compex WP18 / NP18A"
        select PCI
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -27,6 +27,7 @@ obj-pci-$(CONFIG_MACH_WRT300NV2)              += wrt
 obj-pci-$(CONFIG_MACH_AP1000)          += ixdp425-pci.o
 obj-pci-$(CONFIG_MACH_TW5334)          += tw5334-pci.o
 obj-pci-$(CONFIG_MACH_MI424WR)         += mi424wr-pci.o
+obj-pci-$(CONFIG_MACH_USR8200)         += usr8200-pci.o
 
 obj-y  += common.o
 
@@ -55,6 +56,7 @@ obj-$(CONFIG_MACH_WRT300NV2)  += wrt300nv
 obj-$(CONFIG_MACH_AP1000)      += ap1000-setup.o
 obj-$(CONFIG_MACH_TW5334)      += tw5334-setup.o
 obj-$(CONFIG_MACH_MI424WR)     += mi424wr-setup.o
+obj-$(CONFIG_MACH_USR8200)     += usr8200-setup.o
 
 obj-$(CONFIG_PCI)              += $(obj-pci-$(CONFIG_PCI)) common-pci.o
 obj-$(CONFIG_IXP4XX_QMGR)      += ixp4xx_qmgr.o
--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
+++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
@@ -44,7 +44,8 @@ static __inline__ void __arch_decomp_set
            machine_is_gateway7001() || machine_is_wg302v2() ||
            machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
            machine_is_pronghorn() || machine_is_pronghorn_metro() ||
-           machine_is_wrt300nv2() || machine_is_tw5334())
+           machine_is_wrt300nv2() || machine_is_tw5334() ||
+           machine_is_usr8200())
                uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
        else
                uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/usr8200-pci.c
@@ -0,0 +1,77 @@
+/*
+ * arch/arch/mach-ixp4xx/usr8200-pci.c
+ *
+ * PCI setup routines for USRobotics USR8200
+ *
+ * Copyright (C) 2008 Peter Denison <openwrt@marshadder.org>
+ *
+ * based on pronghorn-pci.c
+ *     Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ * based on coyote-pci.c:
+ *     Copyright (C) 2002 Jungo Software Technologies.
+ *     Copyright (C) 2003 MontaVista Softwrae, Inc.
+ *
+ * Maintainer: Peter Denison <openwrt@marshadder.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+
+#include <asm/mach/pci.h>
+
+void __init usr8200_pci_preinit(void)
+{
+       irq_set_irq_type(IRQ_IXP4XX_GPIO7, IRQ_TYPE_LEVEL_LOW);
+       irq_set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW);
+       irq_set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW);
+       irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
+       irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
+
+       ixp4xx_pci_preinit();
+}
+
+static int __init usr8200_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+       if (slot == 14)
+               return IRQ_IXP4XX_GPIO7;
+       else if (slot == 15)
+               return IRQ_IXP4XX_GPIO8;
+       else if (slot == 16) {
+               if (pin == 1)
+                       return IRQ_IXP4XX_GPIO11;
+               else if (pin == 2)
+                       return IRQ_IXP4XX_GPIO10;
+               else if (pin == 3)
+                       return IRQ_IXP4XX_GPIO9;
+               else
+                       return -1;
+       } else
+               return -1;
+}
+
+struct hw_pci usr8200_pci __initdata = {
+       .nr_controllers = 1,
+       .preinit        = usr8200_pci_preinit,
+       .ops            = &ixp4xx_ops,
+       .setup          = ixp4xx_setup,
+       .map_irq        = usr8200_map_irq,
+};
+
+int __init usr8200_pci_init(void)
+{
+       if (machine_is_usr8200())
+               pci_common_init(&usr8200_pci);
+       return 0;
+}
+
+subsys_initcall(usr8200_pci_init);
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/usr8200-setup.c
@@ -0,0 +1,217 @@
+/*
+ * arch/arm/mach-ixp4xx/usr8200-setup.c
+ *
+ * Board setup for the USRobotics USR8200
+ *
+ * Copyright (C) 2008 Peter Denison <openwrt@marshadder.org>
+ *
+ * based on pronghorn-setup.c:
+ *     Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ * based on coyote-setup.c:
+ *      Copyright (C) 2003-2005 MontaVista Software, Inc.
+ *
+ * Author: Peter Denison <openwrt@marshadder.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/serial_8250.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/memory.h>
+#include <linux/i2c-gpio.h>
+#include <linux/leds.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/setup.h>
+#include <mach/hardware.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+static struct flash_platform_data usr8200_flash_data = {
+       .map_name       = "cfi_probe",
+       .width          = 2,
+};
+
+static struct resource usr8200_flash_resource = {
+       .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device usr8200_flash = {
+       .name           = "IXP4XX-Flash",
+       .id             = 0,
+       .dev            = {
+               .platform_data  = &usr8200_flash_data,
+       },
+       .num_resources  = 1,
+       .resource       = &usr8200_flash_resource,
+};
+
+static struct resource usr8200_uart_resources [] = {
+       {
+               .start          = IXP4XX_UART2_BASE_PHYS,
+               .end            = IXP4XX_UART2_BASE_PHYS + 0x0fff,
+               .flags          = IORESOURCE_MEM
+       },
+       {
+               .start          = IXP4XX_UART1_BASE_PHYS,
+               .end            = IXP4XX_UART1_BASE_PHYS + 0x0fff,
+               .flags          = IORESOURCE_MEM
+       }
+};
+
+static struct plat_serial8250_port usr8200_uart_data[] = {
+       {
+               .mapbase        = IXP4XX_UART2_BASE_PHYS,
+               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+               .irq            = IRQ_IXP4XX_UART2,
+               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+               .iotype         = UPIO_MEM,
+               .regshift       = 2,
+               .uartclk        = IXP4XX_UART_XTAL,
+       },
+       {
+               .mapbase        = IXP4XX_UART1_BASE_PHYS,
+               .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
+               .irq            = IRQ_IXP4XX_UART1,
+               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+               .iotype         = UPIO_MEM,
+               .regshift       = 2,
+               .uartclk        = IXP4XX_UART_XTAL,
+       },
+       { },
+};
+
+static struct platform_device usr8200_uart = {
+       .name           = "serial8250",
+       .id             = PLAT8250_DEV_PLATFORM,
+       .dev            = {
+               .platform_data  = usr8200_uart_data,
+       },
+       .num_resources  = 2,
+       .resource       = usr8200_uart_resources,
+};
+
+static struct gpio_led usr8200_led_pin[] = {
+       {
+               .name           = "usr8200:usb1",
+               .gpio           = 0,
+               .active_low     = 1,
+       },
+       {
+               .name           = "usr8200:usb2",
+               .gpio           = 1,
+               .active_low     = 1,
+       },
+       {
+               .name           = "usr8200:ieee1394",
+               .gpio           = 2,
+               .active_low     = 1,
+       },
+       {
+               .name           = "usr8200:internal",
+               .gpio           = 3,
+               .active_low     = 1,
+       },
+       {
+               .name           = "usr8200:power",
+               .gpio           = 14,
+       }
+};
+
+static struct gpio_led_platform_data usr8200_led_data = {
+       .num_leds               = ARRAY_SIZE(usr8200_led_pin),
+       .leds                   = usr8200_led_pin,
+};
+
+static struct platform_device usr8200_led = {
+       .name                   = "leds-gpio",
+       .id                     = -1,
+       .dev.platform_data      = &usr8200_led_data,
+};
+
+static struct eth_plat_info usr8200_plat_eth[] = {
+       { /* NPEC - LAN with Marvell 88E6060 switch */
+               .phy            = IXP4XX_ETH_PHY_MAX_ADDR,
+               .phy_mask       = 0x0F0000,
+               .rxq            = 4,
+               .txreadyq       = 21,
+       }, { /* NPEB - WAN */
+               .phy            = 9,
+               .rxq            = 3,
+               .txreadyq       = 20,
+       }
+};
+
+static struct platform_device usr8200_eth[] = {
+       {
+               .name                   = "ixp4xx_eth",
+               .id                     = IXP4XX_ETH_NPEC,
+               .dev.platform_data      = usr8200_plat_eth,
+               .dev.coherent_dma_mask  = DMA_BIT_MASK(32),
+       }, {
+               .name                   = "ixp4xx_eth",
+               .id                     = IXP4XX_ETH_NPEB,
+               .dev.platform_data      = usr8200_plat_eth + 1,
+               .dev.coherent_dma_mask  = DMA_BIT_MASK(32),
+       }
+};
+
+static struct resource usr8200_rtc_resources = {
+       .flags          = IORESOURCE_MEM
+};
+
+static struct platform_device usr8200_rtc = {
+       .name           = "rtc7301",
+       .id             = 0,
+       .num_resources  = 1,
+       .resource       = &usr8200_rtc_resources,
+};
+
+static struct platform_device *usr8200_devices[] __initdata = {
+       &usr8200_flash,
+       &usr8200_uart,
+       &usr8200_led,
+       &usr8200_eth[0],
+       &usr8200_eth[1],
+       &usr8200_rtc,
+};
+
+static void __init usr8200_init(void)
+{
+       ixp4xx_sys_init();
+
+       usr8200_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+       usr8200_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_16M - 1;
+
+       usr8200_rtc_resources.start = IXP4XX_EXP_BUS_BASE(2);
+       usr8200_rtc_resources.end = IXP4XX_EXP_BUS_BASE(2) + 0x01ff;
+
+       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
+       *IXP4XX_EXP_CS2 = 0x3fff000 | IXP4XX_EXP_BUS_SIZE(0) | IXP4XX_EXP_BUS_WR_EN |
+                         IXP4XX_EXP_BUS_CS_EN | IXP4XX_EXP_BUS_BYTE_EN;
+       *IXP4XX_GPIO_GPCLKR = 0x01100000;
+
+       /* configure button as input */
+       gpio_line_config(12, IXP4XX_GPIO_IN);
+
+       platform_add_devices(usr8200_devices, ARRAY_SIZE(usr8200_devices));
+}
+
+MACHINE_START(USR8200, "USRobotics USR8200")
+       /* Maintainer: Peter Denison <openwrt@marshadder.org> */
+       .map_io         = ixp4xx_map_io,
+       .init_irq       = ixp4xx_init_irq,
+       .init_time      = ixp4xx_timer_init,
+       .atag_offset    = 0x0100,
+       .init_machine   = usr8200_init,
+#if defined(CONFIG_PCI)
+       .dma_zone_size  = SZ_64M,
+#endif
+       .restart        = ixp4xx_restart,
+MACHINE_END

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