357 строки
14 KiB
C
357 строки
14 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* arch/arm/mach-ixp4xx/include/mach/ixp4xx-regs.h
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*
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* Register definitions for IXP4xx chipset. This file contains
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* register location and bit definitions only. Platform specific
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* definitions and helper function declarations are in platform.h
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* and machine-name.h.
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*
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* Copyright (C) 2002 Intel Corporation.
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* Copyright (C) 2003-2004 MontaVista Software, Inc.
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*/
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#ifndef _ASM_ARM_IXP4XX_H_
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#define _ASM_ARM_IXP4XX_H_
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/*
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* IXP4xx Linux Memory Map:
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*
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* Phy Size Virt Description
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* =========================================================================
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*
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* 0x00000000 0x10000000(max) PAGE_OFFSET System RAM
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*
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* 0x48000000 0x04000000 ioremap'd PCI Memory Space
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*
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* 0x50000000 0x10000000 ioremap'd EXP BUS
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*
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* 0xC8000000 0x00013000 0xFEF00000 On-Chip Peripherals
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*
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* 0xC0000000 0x00001000 0xFEF13000 PCI CFG
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*
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* 0xC4000000 0x00001000 0xFEF14000 EXP CFG
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*
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* 0x60000000 0x00004000 0xFEF15000 QMgr
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*/
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/*
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* Queue Manager
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*/
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#define IXP4XX_QMGR_BASE_PHYS 0x60000000
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/*
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* Peripheral space, including debug UART. Must be section-aligned so that
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* it can be used with the low-level debug code.
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*/
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#define IXP4XX_PERIPHERAL_BASE_PHYS 0xC8000000
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#define IXP4XX_PERIPHERAL_BASE_VIRT IOMEM(0xFEF00000)
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#define IXP4XX_PERIPHERAL_REGION_SIZE 0x00013000
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/*
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* PCI Config registers
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*/
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#define IXP4XX_PCI_CFG_BASE_PHYS 0xC0000000
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#define IXP4XX_PCI_CFG_BASE_VIRT IOMEM(0xFEF13000)
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#define IXP4XX_PCI_CFG_REGION_SIZE 0x00001000
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/*
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* Expansion BUS Configuration registers
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*/
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#define IXP4XX_EXP_CFG_BASE_PHYS 0xC4000000
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#define IXP4XX_EXP_CFG_BASE_VIRT 0xFEF14000
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#define IXP4XX_EXP_CFG_REGION_SIZE 0x00001000
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#define IXP4XX_EXP_CS0_OFFSET 0x00
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#define IXP4XX_EXP_CS1_OFFSET 0x04
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#define IXP4XX_EXP_CS2_OFFSET 0x08
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#define IXP4XX_EXP_CS3_OFFSET 0x0C
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#define IXP4XX_EXP_CS4_OFFSET 0x10
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#define IXP4XX_EXP_CS5_OFFSET 0x14
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#define IXP4XX_EXP_CS6_OFFSET 0x18
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#define IXP4XX_EXP_CS7_OFFSET 0x1C
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#define IXP4XX_EXP_CFG0_OFFSET 0x20
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#define IXP4XX_EXP_CFG1_OFFSET 0x24
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#define IXP4XX_EXP_CFG2_OFFSET 0x28
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#define IXP4XX_EXP_CFG3_OFFSET 0x2C
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/*
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* Expansion Bus Controller registers.
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*/
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#define IXP4XX_EXP_REG(x) ((volatile u32 __iomem *)(IXP4XX_EXP_CFG_BASE_VIRT+(x)))
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#define IXP4XX_EXP_CS0 IXP4XX_EXP_REG(IXP4XX_EXP_CS0_OFFSET)
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#define IXP4XX_EXP_CS1 IXP4XX_EXP_REG(IXP4XX_EXP_CS1_OFFSET)
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#define IXP4XX_EXP_CS2 IXP4XX_EXP_REG(IXP4XX_EXP_CS2_OFFSET)
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#define IXP4XX_EXP_CS3 IXP4XX_EXP_REG(IXP4XX_EXP_CS3_OFFSET)
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#define IXP4XX_EXP_CS4 IXP4XX_EXP_REG(IXP4XX_EXP_CS4_OFFSET)
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#define IXP4XX_EXP_CS5 IXP4XX_EXP_REG(IXP4XX_EXP_CS5_OFFSET)
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#define IXP4XX_EXP_CS6 IXP4XX_EXP_REG(IXP4XX_EXP_CS6_OFFSET)
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#define IXP4XX_EXP_CS7 IXP4XX_EXP_REG(IXP4XX_EXP_CS7_OFFSET)
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#define IXP4XX_EXP_CFG0 IXP4XX_EXP_REG(IXP4XX_EXP_CFG0_OFFSET)
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#define IXP4XX_EXP_CFG1 IXP4XX_EXP_REG(IXP4XX_EXP_CFG1_OFFSET)
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#define IXP4XX_EXP_CFG2 IXP4XX_EXP_REG(IXP4XX_EXP_CFG2_OFFSET)
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#define IXP4XX_EXP_CFG3 IXP4XX_EXP_REG(IXP4XX_EXP_CFG3_OFFSET)
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/*
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* Peripheral Space Register Region Base Addresses
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*/
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#define IXP4XX_UART1_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x0000)
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#define IXP4XX_UART2_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x1000)
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#define IXP4XX_PMU_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x2000)
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#define IXP4XX_INTC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x3000)
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#define IXP4XX_GPIO_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x4000)
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#define IXP4XX_TIMER_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x5000)
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#define IXP4XX_NPEA_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x6000)
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#define IXP4XX_NPEB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x7000)
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#define IXP4XX_NPEC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x8000)
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#define IXP4XX_EthB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x9000)
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#define IXP4XX_EthC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xA000)
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#define IXP4XX_USB_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xB000)
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/* ixp46X only */
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#define IXP4XX_EthA_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xC000)
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#define IXP4XX_EthB1_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xD000)
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#define IXP4XX_EthB2_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xE000)
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#define IXP4XX_EthB3_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0xF000)
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#define IXP4XX_TIMESYNC_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x10000)
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#define IXP4XX_I2C_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x11000)
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#define IXP4XX_SSP_BASE_PHYS (IXP4XX_PERIPHERAL_BASE_PHYS + 0x12000)
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#define IXP4XX_UART1_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x0000)
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#define IXP4XX_UART2_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x1000)
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#define IXP4XX_PMU_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x2000)
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#define IXP4XX_INTC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x3000)
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#define IXP4XX_GPIO_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x4000)
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#define IXP4XX_TIMER_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x5000)
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#define IXP4XX_EthB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x9000)
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#define IXP4XX_EthC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xA000)
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#define IXP4XX_USB_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xB000)
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/* ixp46X only */
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#define IXP4XX_EthA_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xC000)
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#define IXP4XX_EthB1_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xD000)
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#define IXP4XX_EthB2_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xE000)
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#define IXP4XX_EthB3_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0xF000)
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#define IXP4XX_TIMESYNC_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x10000)
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#define IXP4XX_I2C_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x11000)
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#define IXP4XX_SSP_BASE_VIRT (IXP4XX_PERIPHERAL_BASE_VIRT + 0x12000)
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/*
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* Constants to make it easy to access Timer Control/Status registers
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*/
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#define IXP4XX_OSTS_OFFSET 0x00 /* Continious TimeStamp */
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#define IXP4XX_OST1_OFFSET 0x04 /* Timer 1 Timestamp */
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#define IXP4XX_OSRT1_OFFSET 0x08 /* Timer 1 Reload */
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#define IXP4XX_OST2_OFFSET 0x0C /* Timer 2 Timestamp */
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#define IXP4XX_OSRT2_OFFSET 0x10 /* Timer 2 Reload */
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#define IXP4XX_OSWT_OFFSET 0x14 /* Watchdog Timer */
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#define IXP4XX_OSWE_OFFSET 0x18 /* Watchdog Enable */
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#define IXP4XX_OSWK_OFFSET 0x1C /* Watchdog Key */
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#define IXP4XX_OSST_OFFSET 0x20 /* Timer Status */
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/*
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* Operating System Timer Register Definitions.
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*/
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#define IXP4XX_TIMER_REG(x) ((volatile u32 *)(IXP4XX_TIMER_BASE_VIRT+(x)))
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#define IXP4XX_OSTS IXP4XX_TIMER_REG(IXP4XX_OSTS_OFFSET)
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#define IXP4XX_OST1 IXP4XX_TIMER_REG(IXP4XX_OST1_OFFSET)
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#define IXP4XX_OSRT1 IXP4XX_TIMER_REG(IXP4XX_OSRT1_OFFSET)
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#define IXP4XX_OST2 IXP4XX_TIMER_REG(IXP4XX_OST2_OFFSET)
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#define IXP4XX_OSRT2 IXP4XX_TIMER_REG(IXP4XX_OSRT2_OFFSET)
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#define IXP4XX_OSWT IXP4XX_TIMER_REG(IXP4XX_OSWT_OFFSET)
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#define IXP4XX_OSWE IXP4XX_TIMER_REG(IXP4XX_OSWE_OFFSET)
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#define IXP4XX_OSWK IXP4XX_TIMER_REG(IXP4XX_OSWK_OFFSET)
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#define IXP4XX_OSST IXP4XX_TIMER_REG(IXP4XX_OSST_OFFSET)
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/*
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* Timer register values and bit definitions
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*/
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#define IXP4XX_OST_ENABLE 0x00000001
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#define IXP4XX_OST_ONE_SHOT 0x00000002
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/* Low order bits of reload value ignored */
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#define IXP4XX_OST_RELOAD_MASK 0x00000003
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#define IXP4XX_OST_DISABLED 0x00000000
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#define IXP4XX_OSST_TIMER_1_PEND 0x00000001
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#define IXP4XX_OSST_TIMER_2_PEND 0x00000002
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#define IXP4XX_OSST_TIMER_TS_PEND 0x00000004
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#define IXP4XX_OSST_TIMER_WDOG_PEND 0x00000008
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#define IXP4XX_OSST_TIMER_WARM_RESET 0x00000010
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#define IXP4XX_WDT_KEY 0x0000482E
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#define IXP4XX_WDT_RESET_ENABLE 0x00000001
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#define IXP4XX_WDT_IRQ_ENABLE 0x00000002
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#define IXP4XX_WDT_COUNT_ENABLE 0x00000004
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/*
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* Constants to make it easy to access PCI Control/Status registers
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*/
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#define PCI_NP_AD_OFFSET 0x00
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#define PCI_NP_CBE_OFFSET 0x04
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#define PCI_NP_WDATA_OFFSET 0x08
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#define PCI_NP_RDATA_OFFSET 0x0c
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#define PCI_CRP_AD_CBE_OFFSET 0x10
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#define PCI_CRP_WDATA_OFFSET 0x14
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#define PCI_CRP_RDATA_OFFSET 0x18
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#define PCI_CSR_OFFSET 0x1c
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#define PCI_ISR_OFFSET 0x20
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#define PCI_INTEN_OFFSET 0x24
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#define PCI_DMACTRL_OFFSET 0x28
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#define PCI_AHBMEMBASE_OFFSET 0x2c
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#define PCI_AHBIOBASE_OFFSET 0x30
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#define PCI_PCIMEMBASE_OFFSET 0x34
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#define PCI_AHBDOORBELL_OFFSET 0x38
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#define PCI_PCIDOORBELL_OFFSET 0x3C
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#define PCI_ATPDMA0_AHBADDR_OFFSET 0x40
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#define PCI_ATPDMA0_PCIADDR_OFFSET 0x44
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#define PCI_ATPDMA0_LENADDR_OFFSET 0x48
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#define PCI_ATPDMA1_AHBADDR_OFFSET 0x4C
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#define PCI_ATPDMA1_PCIADDR_OFFSET 0x50
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#define PCI_ATPDMA1_LENADDR_OFFSET 0x54
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/*
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* PCI Control/Status Registers
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*/
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#define IXP4XX_PCI_CSR(x) ((volatile u32 *)(IXP4XX_PCI_CFG_BASE_VIRT+(x)))
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#define PCI_NP_AD IXP4XX_PCI_CSR(PCI_NP_AD_OFFSET)
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#define PCI_NP_CBE IXP4XX_PCI_CSR(PCI_NP_CBE_OFFSET)
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#define PCI_NP_WDATA IXP4XX_PCI_CSR(PCI_NP_WDATA_OFFSET)
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#define PCI_NP_RDATA IXP4XX_PCI_CSR(PCI_NP_RDATA_OFFSET)
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#define PCI_CRP_AD_CBE IXP4XX_PCI_CSR(PCI_CRP_AD_CBE_OFFSET)
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#define PCI_CRP_WDATA IXP4XX_PCI_CSR(PCI_CRP_WDATA_OFFSET)
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#define PCI_CRP_RDATA IXP4XX_PCI_CSR(PCI_CRP_RDATA_OFFSET)
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#define PCI_CSR IXP4XX_PCI_CSR(PCI_CSR_OFFSET)
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#define PCI_ISR IXP4XX_PCI_CSR(PCI_ISR_OFFSET)
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#define PCI_INTEN IXP4XX_PCI_CSR(PCI_INTEN_OFFSET)
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#define PCI_DMACTRL IXP4XX_PCI_CSR(PCI_DMACTRL_OFFSET)
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#define PCI_AHBMEMBASE IXP4XX_PCI_CSR(PCI_AHBMEMBASE_OFFSET)
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#define PCI_AHBIOBASE IXP4XX_PCI_CSR(PCI_AHBIOBASE_OFFSET)
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#define PCI_PCIMEMBASE IXP4XX_PCI_CSR(PCI_PCIMEMBASE_OFFSET)
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#define PCI_AHBDOORBELL IXP4XX_PCI_CSR(PCI_AHBDOORBELL_OFFSET)
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#define PCI_PCIDOORBELL IXP4XX_PCI_CSR(PCI_PCIDOORBELL_OFFSET)
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#define PCI_ATPDMA0_AHBADDR IXP4XX_PCI_CSR(PCI_ATPDMA0_AHBADDR_OFFSET)
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#define PCI_ATPDMA0_PCIADDR IXP4XX_PCI_CSR(PCI_ATPDMA0_PCIADDR_OFFSET)
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#define PCI_ATPDMA0_LENADDR IXP4XX_PCI_CSR(PCI_ATPDMA0_LENADDR_OFFSET)
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#define PCI_ATPDMA1_AHBADDR IXP4XX_PCI_CSR(PCI_ATPDMA1_AHBADDR_OFFSET)
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#define PCI_ATPDMA1_PCIADDR IXP4XX_PCI_CSR(PCI_ATPDMA1_PCIADDR_OFFSET)
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#define PCI_ATPDMA1_LENADDR IXP4XX_PCI_CSR(PCI_ATPDMA1_LENADDR_OFFSET)
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/*
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* PCI register values and bit definitions
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*/
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/* CSR bit definitions */
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#define PCI_CSR_HOST 0x00000001
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#define PCI_CSR_ARBEN 0x00000002
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#define PCI_CSR_ADS 0x00000004
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#define PCI_CSR_PDS 0x00000008
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#define PCI_CSR_ABE 0x00000010
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#define PCI_CSR_DBT 0x00000020
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#define PCI_CSR_ASE 0x00000100
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#define PCI_CSR_IC 0x00008000
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/* ISR (Interrupt status) Register bit definitions */
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#define PCI_ISR_PSE 0x00000001
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#define PCI_ISR_PFE 0x00000002
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#define PCI_ISR_PPE 0x00000004
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#define PCI_ISR_AHBE 0x00000008
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#define PCI_ISR_APDC 0x00000010
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#define PCI_ISR_PADC 0x00000020
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#define PCI_ISR_ADB 0x00000040
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#define PCI_ISR_PDB 0x00000080
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/* INTEN (Interrupt Enable) Register bit definitions */
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#define PCI_INTEN_PSE 0x00000001
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#define PCI_INTEN_PFE 0x00000002
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#define PCI_INTEN_PPE 0x00000004
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#define PCI_INTEN_AHBE 0x00000008
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#define PCI_INTEN_APDC 0x00000010
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#define PCI_INTEN_PADC 0x00000020
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#define PCI_INTEN_ADB 0x00000040
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#define PCI_INTEN_PDB 0x00000080
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/*
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* Shift value for byte enable on NP cmd/byte enable register
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*/
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#define IXP4XX_PCI_NP_CBE_BESL 4
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/*
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* PCI commands supported by NP access unit
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*/
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#define NP_CMD_IOREAD 0x2
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#define NP_CMD_IOWRITE 0x3
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#define NP_CMD_CONFIGREAD 0xa
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#define NP_CMD_CONFIGWRITE 0xb
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#define NP_CMD_MEMREAD 0x6
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#define NP_CMD_MEMWRITE 0x7
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/*
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* Constants for CRP access into local config space
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*/
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#define CRP_AD_CBE_BESL 20
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#define CRP_AD_CBE_WRITE 0x00010000
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#define DCMD_LENGTH 0x01fff /* length mask (max = 8K - 1) */
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/* "fuse" bits of IXP_EXP_CFG2 */
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/* All IXP4xx CPUs */
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#define IXP4XX_FEATURE_RCOMP (1 << 0)
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#define IXP4XX_FEATURE_USB_DEVICE (1 << 1)
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#define IXP4XX_FEATURE_HASH (1 << 2)
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#define IXP4XX_FEATURE_AES (1 << 3)
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#define IXP4XX_FEATURE_DES (1 << 4)
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#define IXP4XX_FEATURE_HDLC (1 << 5)
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#define IXP4XX_FEATURE_AAL (1 << 6)
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#define IXP4XX_FEATURE_HSS (1 << 7)
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#define IXP4XX_FEATURE_UTOPIA (1 << 8)
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#define IXP4XX_FEATURE_NPEB_ETH0 (1 << 9)
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#define IXP4XX_FEATURE_NPEC_ETH (1 << 10)
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#define IXP4XX_FEATURE_RESET_NPEA (1 << 11)
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#define IXP4XX_FEATURE_RESET_NPEB (1 << 12)
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#define IXP4XX_FEATURE_RESET_NPEC (1 << 13)
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#define IXP4XX_FEATURE_PCI (1 << 14)
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#define IXP4XX_FEATURE_UTOPIA_PHY_LIMIT (3 << 16)
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#define IXP4XX_FEATURE_XSCALE_MAX_FREQ (3 << 22)
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#define IXP42X_FEATURE_MASK (IXP4XX_FEATURE_RCOMP | \
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IXP4XX_FEATURE_USB_DEVICE | \
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IXP4XX_FEATURE_HASH | \
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IXP4XX_FEATURE_AES | \
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IXP4XX_FEATURE_DES | \
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IXP4XX_FEATURE_HDLC | \
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IXP4XX_FEATURE_AAL | \
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IXP4XX_FEATURE_HSS | \
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IXP4XX_FEATURE_UTOPIA | \
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IXP4XX_FEATURE_NPEB_ETH0 | \
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IXP4XX_FEATURE_NPEC_ETH | \
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IXP4XX_FEATURE_RESET_NPEA | \
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IXP4XX_FEATURE_RESET_NPEB | \
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IXP4XX_FEATURE_RESET_NPEC | \
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IXP4XX_FEATURE_PCI | \
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IXP4XX_FEATURE_UTOPIA_PHY_LIMIT | \
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IXP4XX_FEATURE_XSCALE_MAX_FREQ)
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/* IXP43x/46x CPUs */
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#define IXP4XX_FEATURE_ECC_TIMESYNC (1 << 15)
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#define IXP4XX_FEATURE_USB_HOST (1 << 18)
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#define IXP4XX_FEATURE_NPEA_ETH (1 << 19)
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#define IXP43X_FEATURE_MASK (IXP42X_FEATURE_MASK | \
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IXP4XX_FEATURE_ECC_TIMESYNC | \
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IXP4XX_FEATURE_USB_HOST | \
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IXP4XX_FEATURE_NPEA_ETH)
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/* IXP46x CPU (including IXP455) only */
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#define IXP4XX_FEATURE_NPEB_ETH_1_TO_3 (1 << 20)
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#define IXP4XX_FEATURE_RSA (1 << 21)
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#define IXP46X_FEATURE_MASK (IXP43X_FEATURE_MASK | \
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IXP4XX_FEATURE_NPEB_ETH_1_TO_3 | \
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IXP4XX_FEATURE_RSA)
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#endif
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