287 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			287 lines
		
	
	
		
			7.4 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From 95dac4a842a3c66f69f949b48f9075e16275f77b Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jogo@openwrt.org>
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Date: Sun, 30 Jun 2013 15:48:47 +0200
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Subject: [PATCH 07/36] 115-sidewinder_support.patch
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---
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 arch/arm/mach-ixp4xx/Kconfig            |   10 +-
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 arch/arm/mach-ixp4xx/Makefile           |    2 +
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 arch/arm/mach-ixp4xx/sidewinder-pci.c   |   68 ++++++++++++++
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 arch/arm/mach-ixp4xx/sidewinder-setup.c |  151 +++++++++++++++++++++++++++++++
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 4 files changed, 230 insertions(+), 1 deletion(-)
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 create mode 100644 arch/arm/mach-ixp4xx/sidewinder-pci.c
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 create mode 100644 arch/arm/mach-ixp4xx/sidewinder-setup.c
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--- a/arch/arm/mach-ixp4xx/Kconfig
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+++ b/arch/arm/mach-ixp4xx/Kconfig
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@@ -77,6 +77,14 @@ config MACH_PRONGHORN
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 config MACH_PRONGHORNMETRO
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 	def_bool MACH_PRONGHORN
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+config MACH_SIDEWINDER
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+	bool "ADI Sidewinder"
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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 ADI 
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+	  Engineering Sidewinder board. For more information on this
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+	  platform, see http://www.adiengineering.com
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+
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 config ARCH_IXDP425
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 	bool "IXDP425"
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 	help
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@@ -173,7 +181,7 @@ config MACH_ARCOM_VULCAN
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 #
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 config CPU_IXP46X
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 	bool
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-	depends on MACH_IXDP465
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+	depends on MACH_IXDP465 || MACH_SIDEWINDER
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 	default y
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 config CPU_IXP43X
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--- a/arch/arm/mach-ixp4xx/Makefile
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+++ b/arch/arm/mach-ixp4xx/Makefile
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@@ -20,6 +20,7 @@ obj-pci-$(CONFIG_MACH_WG302V2)		+= wg302
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 obj-pci-$(CONFIG_MACH_FSG)		+= fsg-pci.o
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 obj-pci-$(CONFIG_MACH_ARCOM_VULCAN)	+= vulcan-pci.o
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 obj-pci-$(CONFIG_MACH_PRONGHORN)	+= pronghorn-pci.o
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+obj-pci-$(CONFIG_MACH_SIDEWINDER)	+= sidewinder-pci.o
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 obj-y	+= common.o
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@@ -41,6 +42,7 @@ obj-$(CONFIG_MACH_FSG)		+= fsg-setup.o
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 obj-$(CONFIG_MACH_GORAMO_MLR)	+= goramo_mlr.o
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 obj-$(CONFIG_MACH_ARCOM_VULCAN)	+= vulcan-setup.o
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 obj-$(CONFIG_MACH_PRONGHORN)	+= pronghorn-setup.o
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+obj-$(CONFIG_MACH_SIDEWINDER)	+= sidewinder-setup.o
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 obj-$(CONFIG_PCI)		+= $(obj-pci-$(CONFIG_PCI)) common-pci.o
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 obj-$(CONFIG_IXP4XX_QMGR)	+= ixp4xx_qmgr.o
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--- /dev/null
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+++ b/arch/arm/mach-ixp4xx/sidewinder-pci.c
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@@ -0,0 +1,67 @@
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+/*
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+ * arch/arch/mach-ixp4xx/pronghornmetro-pci.c
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+ *
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+ * PCI setup routines for ADI Engineering Sidewinder
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+ *
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+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
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+ *
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+ * based on coyote-pci.c:
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+ *	Copyright (C) 2002 Jungo Software Technologies.
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+ *	Copyright (C) 2003 MontaVista Softwrae, Inc.
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+ *
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+ * Maintainer: Imre Kaloz <kaloz@openwrt.org>
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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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+
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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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+
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+#include <asm/mach/pci.h>
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+
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+void __init sidewinder_pci_preinit(void)
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+{
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+	irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
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+	irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
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+	irq_set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW);
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+
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+	ixp4xx_pci_preinit();
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+}
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+
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+static int __init sidewinder_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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+{
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+	if (slot == 1)
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+		return IRQ_IXP4XX_GPIO11;
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+	else if (slot == 2)
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+		return IRQ_IXP4XX_GPIO10;
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+	else if (slot == 3)
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+		return IRQ_IXP4XX_GPIO9;
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+	else
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+		return -1;
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+}
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+
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+struct hw_pci sidewinder_pci __initdata = {
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+	.nr_controllers	= 1,
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+	.preinit	= sidewinder_pci_preinit,
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+	.ops		= &ixp4xx_ops,
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+	.setup		= ixp4xx_setup,
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+	.map_irq	= sidewinder_map_irq,
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+};
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+
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+int __init sidewinder_pci_init(void)
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+{
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+	if (machine_is_sidewinder())
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+		pci_common_init(&sidewinder_pci);
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+	return 0;
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+}
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+
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+subsys_initcall(sidewinder_pci_init);
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--- /dev/null
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+++ b/arch/arm/mach-ixp4xx/sidewinder-setup.c
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@@ -0,0 +1,155 @@
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+/*
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+ * arch/arm/mach-ixp4xx/sidewinder-setup.c
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+ *
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+ * Board setup for the ADI Engineering Sidewinder
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+ *
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+ * Copyright (C) 2008 Imre Kaloz <Kaloz@openwrt.org>
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+ *
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+ * based on coyote-setup.c:
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+ *      Copyright (C) 2003-2005 MontaVista Software, Inc.
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+ *
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+ * Author: Imre Kaloz <Kaloz@openwrt.org>
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/serial.h>
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+#include <linux/serial_8250.h>
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+#include <linux/dma-mapping.h>
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+
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+#include <asm/mach-types.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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+static struct flash_platform_data sidewinder_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 sidewinder_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 sidewinder_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 = &sidewinder_flash_data,
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+	},
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+	.num_resources	= 1,
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+	.resource	= &sidewinder_flash_resource,
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+};
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+
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+static struct resource sidewinder_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 sidewinder_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 sidewinder_uart = {
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+	.name		= "serial8250",
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+	.id		= PLAT8250_DEV_PLATFORM,
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+	.dev		= {
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+		.platform_data	= sidewinder_uart_data,
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+	},
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+	.num_resources	= ARRAY_SIZE(sidewinder_uart_resources),
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+	.resource	= sidewinder_uart_resources,
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+};
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+
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+static struct eth_plat_info sidewinder_plat_eth[] = {
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+	{
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+		.phy		= 5,
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+		.rxq		= 3,
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+		.txreadyq	= 20,
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+	}, {
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+		.phy		= IXP4XX_ETH_PHY_MAX_ADDR,
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+		.phy_mask	= 0x1e,
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+		.rxq		= 4,
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+		.txreadyq	= 21,
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+	}, {
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+		.phy		= 31,
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+		.rxq		= 2,
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+		.txreadyq	= 19,
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+	}
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+};
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+
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+static struct platform_device sidewinder_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	= sidewinder_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	= sidewinder_plat_eth + 1,
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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_NPEA,
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+		.dev.platform_data	= sidewinder_plat_eth + 2,
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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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+static struct platform_device *sidewinder_devices[] __initdata = {
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+	&sidewinder_flash,
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+	&sidewinder_uart,
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+	&sidewinder_eth[0],
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+	&sidewinder_eth[1],
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+	&sidewinder_eth[2],
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+};
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+
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+static void __init sidewinder_init(void)
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+{
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+	ixp4xx_sys_init();
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+
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+	sidewinder_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
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+	sidewinder_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_64M - 1;
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+
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+	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
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+	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
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+
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+	platform_add_devices(sidewinder_devices, ARRAY_SIZE(sidewinder_devices));
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+}
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+
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+MACHINE_START(SIDEWINDER, "ADI Engineering Sidewinder")
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+	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
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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	= sidewinder_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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