include/asm-mips/galileo-boards/ev96100.h

   1 /*
   2  *
   3  */
   4 #ifndef _MIPS_EV96100_H
   5 #define _MIPS_EV96100_H
   6
   7 #include <asm/addrspace.h>
   8
   9 /*
  10  *   GT64120 config space base address
  11  */
  12 #define GT64120_BASE    (KSEG1ADDR(0x14000000))
  13 #define MIPS_GT_BASE    GT64120_BASE
  14
  15 /*
  16  *   PCI Bus allocation
  17  */
  18 #define GT_PCI_MEM_BASE    0x12000000UL
  19 #define GT_PCI_MEM_SIZE    0x02000000UL
  20 #define GT_PCI_IO_BASE     0x10000000UL
  21 #define GT_PCI_IO_SIZE     0x02000000UL
  22 #define GT_ISA_IO_BASE     PCI_IO_BASE
  23
  24 /*
  25  *   Duart I/O ports.
  26  */
  27 #define EV96100_COM1_BASE_ADDR  (0xBD000000 + 0x20)
  28 #define EV96100_COM2_BASE_ADDR  (0xBD000000 + 0x00)
  29
  30
  31 /*
  32  *   EV96100 interrupt controller register base.
  33  */
  34 #define EV96100_ICTRL_REGS_BASE (KSEG1ADDR(0x1f000000))
  35
  36 /*
  37  *   EV96100 UART register base.
  38  */
  39 #define EV96100_UART0_REGS_BASE EV96100_COM1_BASE_ADDR
  40 #define EV96100_UART1_REGS_BASE EV96100_COM2_BASE_ADDR
  41 #define EV96100_BASE_BAUD       ( 3686400 / 16 )
  42
  43
  44 /*
  45  * Because of an error/peculiarity in the Galileo chip, we need to swap the
  46  * bytes when running bigendian.
  47  */
  48 #define __GT_READ(ofs)                                                  \
  49         (*(volatile u32 *)(GT64120_BASE+(ofs)))
  50 #define __GT_WRITE(ofs, data)                                           \
  51         do { *(volatile u32 *)(GT64120_BASE+(ofs)) = (data); } while (0)
  52 #define GT_READ(ofs)            le32_to_cpu(__GT_READ(ofs))
  53 #define GT_WRITE(ofs, data)     __GT_WRITE(ofs, cpu_to_le32(data))
  54
  55 #endif /* !(_MIPS_EV96100_H) */