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/*
* arch/xtensa/platform/xtavnet/include/platform/hardware.h
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2006 Tensilica Inc.
*/
/*
* This file contains the hardware configuration of the XTAVNET boards.
*/
#include <asm/types.h>
#ifndef __XTENSA_XTAVNET_HARDWARE_H
#define __XTENSA_XTAVNET_HARDWARE_H
/* Memory configuration. */
#define PLATFORM_DEFAULT_MEM_START __XTENSA_UL(CONFIG_DEFAULT_MEM_START)
#define PLATFORM_DEFAULT_MEM_SIZE __XTENSA_UL(CONFIG_DEFAULT_MEM_SIZE)
/* Interrupt configuration. */
#define PLATFORM_NR_IRQS 0
/* Default assignment of LX60 devices to external interrupts. */
#ifdef CONFIG_XTENSA_MX
#define DUART16552_INTNUM XCHAL_EXTINT3_NUM
#define OETH_IRQ XCHAL_EXTINT4_NUM
#define C67X00_IRQ XCHAL_EXTINT8_NUM
#else
#define DUART16552_INTNUM XCHAL_EXTINT0_NUM
#define OETH_IRQ XCHAL_EXTINT1_NUM
#define C67X00_IRQ XCHAL_EXTINT5_NUM
#endif
/*
* Device addresses and parameters.
*/
/* UART */
#define DUART16552_PADDR (XCHAL_KIO_PADDR + 0x0D050020)
/* Misc. */
#define XTFPGA_FPGAREGS_VADDR IOADDR(0x0D020000)
/* Clock frequency in Hz (read-only): */
#define XTFPGA_CLKFRQ_VADDR (XTFPGA_FPGAREGS_VADDR + 0x04)
/* Setting of 8 DIP switches: */
#define DIP_SWITCHES_VADDR (XTFPGA_FPGAREGS_VADDR + 0x0C)
/* Software reset (write 0xdead): */
#define XTFPGA_SWRST_VADDR (XTFPGA_FPGAREGS_VADDR + 0x10)
/* OpenCores Ethernet controller: */
/* regs + RX/TX descriptors */
#define OETH_REGS_PADDR (XCHAL_KIO_PADDR + 0x0D030000)
#define OETH_REGS_SIZE 0x1000
#define OETH_SRAMBUFF_PADDR (XCHAL_KIO_PADDR + 0x0D800000)
/* 5*rx buffs + 5*tx buffs */
#define OETH_SRAMBUFF_SIZE (5 * 0x600 + 5 * 0x600)
#define C67X00_PADDR (XCHAL_KIO_PADDR + 0x0D0D0000)
#define C67X00_SIZE 0x10
#endif /* __XTENSA_XTAVNET_HARDWARE_H */
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