arch/ppc/platforms/spruce.h

   1 /*
   2  * arch/ppc/platforms/spruce.h
   3  *
   4  * Definitions for IBM Spruce reference board support
   5  *
   6  * Authors: Matt Porter and Johnnie Peters
   7  *          mporter@mvista.com
   8  *          jpeters@mvista.com
   9  *
  10  * 2001 (c) MontaVista, Software, Inc.  This file is licensed under
  11  * the terms of the GNU General Public License version 2.  This program
  12  * is licensed "as is" without any warranty of any kind, whether express
  13  * or implied.
  14  */
  15
  16 #ifdef __KERNEL__
  17 #ifndef __ASM_SPRUCE_H__
  18 #define __ASM_SPRUCE_H__
  19
  20 #define SPRUCE_PCI_CONFIG_ADDR  0xfec00000
  21 #define SPRUCE_PCI_CONFIG_DATA  0xfec00004
  22
  23 #define SPRUCE_PCI_PHY_IO_BASE  0xf8000000
  24 #define SPRUCE_PCI_IO_BASE      SPRUCE_PCI_PHY_IO_BASE
  25
  26 #define SPRUCE_PCI_SYS_MEM_BASE 0x00000000
  27
  28 #define SPRUCE_PCI_LOWER_MEM    0x80000000
  29 #define SPRUCE_PCI_UPPER_MEM    0x9fffffff
  30 #define SPRUCE_PCI_LOWER_IO     0x00000000
  31 #define SPRUCE_PCI_UPPER_IO     0x03ffffff
  32
  33 #define SPRUCE_ISA_IO_BASE      SPRUCE_PCI_IO_BASE
  34
  35 #define SPRUCE_MEM_SIZE         0x04000000
  36 #define SPRUCE_BUS_SPEED        66666667
  37
  38 #define SPRUCE_NVRAM_BASE_ADDR  0xff800000
  39 #define SPRUCE_RTC_BASE_ADDR    SPRUCE_NVRAM_BASE_ADDR
  40
  41 /*
  42  * Serial port defines
  43  */
  44 #define SPRUCE_FPGA_REG_A       0xff820000
  45 #define SPRUCE_UARTCLK_33M      0x02
  46 #define SPRUCE_UARTCLK_IS_33M(reg)      (reg & SPRUCE_UARTCLK_33M)
  47
  48 #define UART0_IO_BASE   0xff600300
  49 #define UART1_IO_BASE   0xff600400
  50
  51 #define RS_TABLE_SIZE   2
  52
  53 #define SPRUCE_BAUD_33M (33000000/64)
  54 #define SPRUCE_BAUD_30M (30000000/64)
  55 #define BASE_BAUD       SPRUCE_BAUD_33M
  56
  57 #define UART0_INT       3
  58 #define UART1_INT       4
  59
  60 #define STD_UART_OP(num)                                                \
  61         { 0, BASE_BAUD, 0, UART##num##_INT,                             \
  62                 ASYNC_BOOT_AUTOCONF,                                    \
  63                 iomem_base: (unsigned char *) UART##num##_IO_BASE,      \
  64                 io_type: SERIAL_IO_MEM},
  65
  66 #define SERIAL_PORT_DFNS        \
  67         STD_UART_OP(0)          \
  68         STD_UART_OP(1)
  69
  70 #endif /* __ASM_SPRUCE_H__ */
  71 #endif /* __KERNEL__ */