1/* 2 * arch/xtensa/platform/xtavnet/include/platform/hardware.h 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License. See the file "COPYING" in the main directory of this archive 6 * for more details. 7 * 8 * Copyright (C) 2006 Tensilica Inc. 9 */ 10 11/* 12 * This file contains the hardware configuration of the XTAVNET boards. 13 */ 14 15#ifndef __XTENSA_XTAVNET_HARDWARE_H 16#define __XTENSA_XTAVNET_HARDWARE_H 17 18/* Memory configuration. */ 19 20#define PLATFORM_DEFAULT_MEM_START CONFIG_DEFAULT_MEM_START 21#define PLATFORM_DEFAULT_MEM_SIZE CONFIG_DEFAULT_MEM_SIZE 22 23/* Interrupt configuration. */ 24 25#define PLATFORM_NR_IRQS 10 26 27/* Default assignment of LX60 devices to external interrupts. */ 28 29#ifdef CONFIG_XTENSA_MX 30#define DUART16552_INTNUM XCHAL_EXTINT3_NUM 31#define OETH_IRQ XCHAL_EXTINT4_NUM 32#else 33#define DUART16552_INTNUM XCHAL_EXTINT0_NUM 34#define OETH_IRQ XCHAL_EXTINT1_NUM 35#endif 36 37/* 38 * Device addresses and parameters. 39 */ 40 41/* UART */ 42#define DUART16552_PADDR (XCHAL_KIO_PADDR + 0x0D050020) 43 44/* Misc. */ 45#define XTFPGA_FPGAREGS_VADDR IOADDR(0x0D020000) 46/* Clock frequency in Hz (read-only): */ 47#define XTFPGA_CLKFRQ_VADDR (XTFPGA_FPGAREGS_VADDR + 0x04) 48/* Setting of 8 DIP switches: */ 49#define DIP_SWITCHES_VADDR (XTFPGA_FPGAREGS_VADDR + 0x0C) 50/* Software reset (write 0xdead): */ 51#define XTFPGA_SWRST_VADDR (XTFPGA_FPGAREGS_VADDR + 0x10) 52 53/* OpenCores Ethernet controller: */ 54 /* regs + RX/TX descriptors */ 55#define OETH_REGS_PADDR (XCHAL_KIO_PADDR + 0x0D030000) 56#define OETH_REGS_SIZE 0x1000 57#define OETH_SRAMBUFF_PADDR (XCHAL_KIO_PADDR + 0x0D800000) 58 59 /* 5*rx buffs + 5*tx buffs */ 60#define OETH_SRAMBUFF_SIZE (5 * 0x600 + 5 * 0x600) 61 62#define C67X00_PADDR (XCHAL_KIO_PADDR + 0x0D0D0000) 63#define C67X00_SIZE 0x10 64#define C67X00_IRQ 5 65#endif /* __XTENSA_XTAVNET_HARDWARE_H */ 66