318 lines
8.9 KiB
Diff
318 lines
8.9 KiB
Diff
--- a/arch/arm/mach-ixp4xx/Kconfig
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+++ b/arch/arm/mach-ixp4xx/Kconfig
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@@ -176,6 +176,15 @@ config ARCH_PRPMC1100
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PrPCM1100 Processor Mezanine Module. For more information on
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this platform, see <file:Documentation/arm/IXP4xx>.
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+config MACH_TW2662
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+ bool "Titan Wireless TW-266-2"
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+ select PCI
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+ help
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+ Say 'Y' here if you want your kernel to support the Titan
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+ Wireless TW266-2. For more information on this platform,
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+ see http://openwrt.org
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+
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+
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config MACH_TW5334
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bool "Titan Wireless TW-533-4"
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select PCI
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--- a/arch/arm/mach-ixp4xx/Makefile
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+++ b/arch/arm/mach-ixp4xx/Makefile
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@@ -25,6 +25,7 @@ obj-pci-$(CONFIG_MACH_SIDEWINDER) += sid
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obj-pci-$(CONFIG_MACH_COMPEXWP18) += ixdp425-pci.o
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obj-pci-$(CONFIG_MACH_WRT300NV2) += wrt300nv2-pci.o
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obj-pci-$(CONFIG_MACH_AP1000) += ixdp425-pci.o
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+obj-pci-$(CONFIG_MACH_TW2662) += tw2662-pci.o
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obj-pci-$(CONFIG_MACH_TW5334) += tw5334-pci.o
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obj-pci-$(CONFIG_MACH_MI424WR) += mi424wr-pci.o
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obj-pci-$(CONFIG_MACH_USR8200) += usr8200-pci.o
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@@ -54,6 +55,7 @@ obj-$(CONFIG_MACH_SIDEWINDER) += sidewin
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obj-$(CONFIG_MACH_COMPEXWP18) += compex42x-setup.o
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obj-$(CONFIG_MACH_WRT300NV2) += wrt300nv2-setup.o
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obj-$(CONFIG_MACH_AP1000) += ap1000-setup.o
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+obj-$(CONFIG_MACH_TW2662) += tw2662-setup.o
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obj-$(CONFIG_MACH_TW5334) += tw5334-setup.o
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obj-$(CONFIG_MACH_MI424WR) += mi424wr-setup.o
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obj-$(CONFIG_MACH_USR8200) += usr8200-setup.o
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--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
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+++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
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@@ -45,7 +45,7 @@ static __inline__ void __arch_decomp_set
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machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
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machine_is_pronghorn() || machine_is_pronghorn_metro() ||
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machine_is_wrt300nv2() || machine_is_tw5334() ||
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- machine_is_usr8200())
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+ machine_is_usr8200() || machine_is_tw2662())
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uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
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else
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uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
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--- /dev/null
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+++ b/arch/arm/mach-ixp4xx/tw2662-pci.c
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@@ -0,0 +1,67 @@
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+/*
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+ * arch/arm/mach-ixp4xx/tw2662-pci.c
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+ *
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+ * PCI setup routines for Tiran Wireless TW-266-2 platform
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+ *
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+ * Copyright (C) 2002 Jungo Software Technologies.
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+ * Copyright (C) 2003 MontaVista Softwrae, Inc.
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+ * Copyright (C) 2010 Alexandros C. Couloumbis <alex@ozo.com>
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+ * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
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+ *
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+ * Maintainer: Deepak Saxena <dsaxena@mvista.com>
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+ * Maintainer: Alexandros C. Couloumbis <alex@ozo.com>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ *
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/pci.h>
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+#include <linux/init.h>
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+#include <linux/irq.h>
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+#include <asm/mach-types.h>
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+#include <mach/hardware.h>
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+#include <asm/irq.h>
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+#include <asm/mach/pci.h>
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+
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+#define SLOT0_DEVID 1
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+#define SLOT1_DEVID 3
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+
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+/* PCI controller GPIO to IRQ pin mappings */
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+#define SLOT0_INTA 11
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+#define SLOT1_INTA 9
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+
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+void __init tw2662_pci_preinit(void)
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+{
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+ irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTA), IRQ_TYPE_LEVEL_LOW);
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+ irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTA), IRQ_TYPE_LEVEL_LOW);
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+ ixp4xx_pci_preinit();
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+}
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+
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+static int __init tw2662_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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+{
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+ if (slot == SLOT0_DEVID)
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+ return IXP4XX_GPIO_IRQ(SLOT0_INTA);
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+ else if (slot == SLOT1_DEVID)
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+ return IXP4XX_GPIO_IRQ(SLOT1_INTA);
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+ else return -1;
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+}
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+
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+struct hw_pci tw2662_pci __initdata = {
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+ .nr_controllers = 1,
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+ .preinit = tw2662_pci_preinit,
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+ .ops = &ixp4xx_ops,
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+ .setup = ixp4xx_setup,
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+ .map_irq = tw2662_map_irq,
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+};
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+
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+int __init tw2662_pci_init(void)
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+{
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+ if (machine_is_tw2662())
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+ pci_common_init(&tw2662_pci);
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+ return 0;
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+}
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+
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+subsys_initcall(tw2662_pci_init);
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--- /dev/null
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+++ b/arch/arm/mach-ixp4xx/tw2662-setup.c
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@@ -0,0 +1,197 @@
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+/*
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+ * arch/arm/mach-ixp4xx/tw2662-setup.c
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+ *
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+ * Titan Wireless TW-266-2
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+ *
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+ * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
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+ * Copyright (C) 2010 Alexandros C. Couloumbis <alex@ozo.com>
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+ *
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+ * based on ap1000-setup.c:
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+ * Author: Imre Kaloz <Kaloz@openwrt.org>
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+ */
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+
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+#include <linux/if_ether.h>
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+#include <linux/kernel.h>
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+#include <linux/init.h>
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+#include <linux/device.h>
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+#include <linux/serial.h>
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+#include <linux/tty.h>
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+#include <linux/serial_8250.h>
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+#include <linux/slab.h>
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+#include <linux/netdevice.h>
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+#include <linux/etherdevice.h>
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+#include <linux/platform_device.h>
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+
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+#include <asm/io.h>
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+#include <asm/types.h>
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+#include <asm/setup.h>
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+#include <asm/memory.h>
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+#include <mach/hardware.h>
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+#include <asm/mach-types.h>
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+#include <asm/irq.h>
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+#include <asm/mach/arch.h>
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+#include <asm/mach/flash.h>
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+
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+/* gpio mask used by platform device */
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+#define TW2662_GPIO_MASK (1 << 1) | (1 << 3) | (1 << 5) | (1 << 7)
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+
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+static struct flash_platform_data tw2662_flash_data = {
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+ .map_name = "cfi_probe",
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+ .width = 2,
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+};
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+
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+static struct resource tw2662_flash_resource = {
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+ .flags = IORESOURCE_MEM,
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+};
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+
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+static struct platform_device tw2662_flash = {
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+ .name = "IXP4XX-Flash",
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+ .id = 0,
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+ .dev = {
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+ .platform_data = &tw2662_flash_data,
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+ },
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+ .num_resources = 1,
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+ .resource = &tw2662_flash_resource,
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+};
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+
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+static struct resource tw2662_uart_resources[] = {
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+ {
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+ .start = IXP4XX_UART1_BASE_PHYS,
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+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
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+ .flags = IORESOURCE_MEM
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+ },
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+ {
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+ .start = IXP4XX_UART2_BASE_PHYS,
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+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
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+ .flags = IORESOURCE_MEM
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+ }
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+};
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+
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+static struct plat_serial8250_port tw2662_uart_data[] = {
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+ {
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+ .mapbase = IXP4XX_UART1_BASE_PHYS,
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+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
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+ .irq = IRQ_IXP4XX_UART1,
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+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
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+ .iotype = UPIO_MEM,
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+ .regshift = 2,
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+ .uartclk = IXP4XX_UART_XTAL,
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+ },
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+ {
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+ .mapbase = IXP4XX_UART2_BASE_PHYS,
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+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
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+ .irq = IRQ_IXP4XX_UART2,
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+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
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+ .iotype = UPIO_MEM,
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+ .regshift = 2,
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+ .uartclk = IXP4XX_UART_XTAL,
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+ },
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+ { },
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+};
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+
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+static struct platform_device tw2662_uart = {
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+ .name = "serial8250",
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+ .id = PLAT8250_DEV_PLATFORM,
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+ .dev.platform_data = tw2662_uart_data,
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+ .num_resources = 2,
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+ .resource = tw2662_uart_resources
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+};
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+
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+/* Built-in 10/100 Ethernet MAC interfaces */
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+static struct eth_plat_info tw2662_plat_eth[] = {
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+ {
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+ .phy = 3,
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+ .rxq = 3,
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+ .txreadyq = 20,
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+ }, {
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+ .phy = 1,
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+ .rxq = 4,
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+ .txreadyq = 21,
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+ }
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+};
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+
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+static struct platform_device tw2662_eth[] = {
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+ {
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+ .name = "ixp4xx_eth",
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+ .id = IXP4XX_ETH_NPEB,
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+ .dev.platform_data = tw2662_plat_eth,
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+ .dev.coherent_dma_mask = DMA_BIT_MASK(32),
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+ }, {
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+ .name = "ixp4xx_eth",
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+ .id = IXP4XX_ETH_NPEC,
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+ .dev.platform_data = tw2662_plat_eth + 1,
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+ .dev.coherent_dma_mask = DMA_BIT_MASK(32),
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+ }
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+};
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+
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+
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+static struct platform_device *tw2662_devices[] __initdata = {
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+ &tw2662_flash,
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+ &tw2662_uart,
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+ &tw2662_eth[0],
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+ &tw2662_eth[1],
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+};
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+
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+static char tw2662_mem_fixup[] __initdata = "mem=64M ";
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+
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+static void __init tw2662_fixup(struct tag *tags, char **cmdline,
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+ struct meminfo *mi)
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+{
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+ struct tag *t = tags;
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+ char *p = *cmdline;
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+
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+ /* Find the end of the tags table, taking note of any cmdline tag. */
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+ for (; t->hdr.size; t = tag_next(t)) {
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+ if (t->hdr.tag == ATAG_CMDLINE) {
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+ p = t->u.cmdline.cmdline;
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+ }
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+ }
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+
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+ /* Overwrite the end of the table with a new cmdline tag. */
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+ t->hdr.tag = ATAG_CMDLINE;
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+ t->hdr.size = (sizeof (struct tag_header) +
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+ strlen(tw2662_mem_fixup) + strlen(p) + 1 + 4) >> 2;
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+ strlcpy(t->u.cmdline.cmdline, tw2662_mem_fixup, COMMAND_LINE_SIZE);
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+ strlcpy(t->u.cmdline.cmdline + strlen(tw2662_mem_fixup), p,
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+ COMMAND_LINE_SIZE - strlen(tw2662_mem_fixup));
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+
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+ /* Terminate the table. */
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+ t = tag_next(t);
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+ t->hdr.tag = ATAG_NONE;
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+ t->hdr.size = 0;
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+}
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+
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+static void __init tw2662_init(void)
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+{
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+ ixp4xx_sys_init();
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+
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+ tw2662_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
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+ tw2662_flash_resource.end =
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+ IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
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+
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+ platform_add_devices(tw2662_devices, ARRAY_SIZE(tw2662_devices));
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+
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+ if (!(is_valid_ether_addr(tw2662_plat_eth[0].hwaddr)))
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+ random_ether_addr(tw2662_plat_eth[0].hwaddr);
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+ if (!(is_valid_ether_addr(tw2662_plat_eth[1].hwaddr))) {
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+ memcpy(tw2662_plat_eth[1].hwaddr, tw2662_plat_eth[0].hwaddr, ETH_ALEN);
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+ tw2662_plat_eth[1].hwaddr[5] = (tw2662_plat_eth[0].hwaddr[5] + 1);
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+ }
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+
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+}
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+
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+#ifdef CONFIG_MACH_TW2662
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+MACHINE_START(TW2662, "Titan Wireless TW-266-2")
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+ /* Maintainer: Alexandros C. Couloumbis <alex@ozo.com> */
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+ .fixup = tw2662_fixup,
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+ .map_io = ixp4xx_map_io,
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+ .init_irq = ixp4xx_init_irq,
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+ .init_time = ixp4xx_timer_init,
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+ .atag_offset = 0x0100,
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+ .init_machine = tw2662_init,
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+#if defined(CONFIG_PCI)
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+ .dma_zone_size = SZ_64M,
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+#endif
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+ .restart = ixp4xx_restart,
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+MACHINE_END
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+#endif
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