arch/xtensa/platforms/xtfpga/include/platform/hardware.h

   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 #include <asm/types.h>
  16
  17 #ifndef __XTENSA_XTAVNET_HARDWARE_H
  18 #define __XTENSA_XTAVNET_HARDWARE_H
  19
  20 /* Memory configuration. */
  21
  22 #define PLATFORM_DEFAULT_MEM_START __XTENSA_UL(CONFIG_DEFAULT_MEM_START)
  23 #define PLATFORM_DEFAULT_MEM_SIZE  __XTENSA_UL(CONFIG_DEFAULT_MEM_SIZE)
  24
  25 /* Interrupt configuration. */
  26
  27 #define PLATFORM_NR_IRQS        0
  28
  29 /* Default assignment of LX60 devices to external interrupts. */
  30
  31 #ifdef CONFIG_XTENSA_MX
  32 #define DUART16552_INTNUM       XCHAL_EXTINT3_NUM
  33 #define OETH_IRQ                XCHAL_EXTINT4_NUM
  34 #define C67X00_IRQ              XCHAL_EXTINT8_NUM
  35 #else
  36 #define DUART16552_INTNUM       XCHAL_EXTINT0_NUM
  37 #define OETH_IRQ                XCHAL_EXTINT1_NUM
  38 #define C67X00_IRQ              XCHAL_EXTINT5_NUM
  39 #endif
  40
  41 /*
  42  *  Device addresses and parameters.
  43  */
  44
  45 /* UART */
  46 #define DUART16552_PADDR        (XCHAL_KIO_PADDR + 0x0D050020)
  47
  48 /* Misc. */
  49 #define XTFPGA_FPGAREGS_VADDR   IOADDR(0x0D020000)
  50 /* Clock frequency in Hz (read-only):  */
  51 #define XTFPGA_CLKFRQ_VADDR     (XTFPGA_FPGAREGS_VADDR + 0x04)
  52 /* Setting of 8 DIP switches:  */
  53 #define DIP_SWITCHES_VADDR      (XTFPGA_FPGAREGS_VADDR + 0x0C)
  54 /* Software reset (write 0xdead):  */
  55 #define XTFPGA_SWRST_VADDR      (XTFPGA_FPGAREGS_VADDR + 0x10)
  56
  57 /*  OpenCores Ethernet controller:  */
  58                                 /* regs + RX/TX descriptors */
  59 #define OETH_REGS_PADDR         (XCHAL_KIO_PADDR + 0x0D030000)
  60 #define OETH_REGS_SIZE          0x1000
  61 #define OETH_SRAMBUFF_PADDR     (XCHAL_KIO_PADDR + 0x0D800000)
  62
  63                                 /* 5*rx buffs + 5*tx buffs */
  64 #define OETH_SRAMBUFF_SIZE      (5 * 0x600 + 5 * 0x600)
  65
  66 #define C67X00_PADDR            (XCHAL_KIO_PADDR + 0x0D0D0000)
  67 #define C67X00_SIZE             0x10
  68
  69 #endif /* __XTENSA_XTAVNET_HARDWARE_H */