arch/ppc/platforms/4xx/ebony.h

   1 /*
   2  * arch/ppc/platforms/ebony.h
   3  *
   4  * Ebony board definitions
   5  *
   6  * Matt Porter <mporter@mvista.com>
   7  *
   8  * Copyright 2002 MontaVista Software Inc.
   9  *
  10  * This program is free software; you can redistribute  it and/or modify it
  11  * under  the terms of  the GNU General  Public License as published by the
  12  * Free Software Foundation;  either version 2 of the  License, or (at your
  13  * option) any later version.
  14  */
  15
  16 #ifdef __KERNEL__
  17 #ifndef __ASM_EBONY_H__
  18 #define __ASM_EBONY_H__
  19
  20 #include <linux/config.h>
  21 #include <platforms/4xx/ibm440gp.h>
  22
  23 /* F/W TLB mapping used in bootloader glue to reset EMAC */
  24 #define PPC44x_EMAC0_MR0        0xE0000800
  25
  26 /* Where to find the MAC info */
  27 #define EBONY_OPENBIOS_MAC_BASE   0xfffffe0c
  28 #define EBONY_OPENBIOS_MAC_OFFSET 0x0c
  29
  30 /* Default clock rates for Rev. B and Rev. C silicon */
  31 #define EBONY_440GP_RB_SYSCLK   33000000
  32 #define EBONY_440GP_RC_SYSCLK   400000000
  33
  34 /* RTC/NVRAM location */
  35 #define EBONY_RTC_ADDR          0x0000000148000000ULL
  36 #define EBONY_RTC_SIZE          0x2000
  37
  38 /* Flash */
  39 #define EBONY_FPGA_ADDR         0x0000000148300000ULL
  40 #define EBONY_BOOT_SMALL_FLASH(x)       (x & 0x20)
  41 #define EBONY_ONBRD_FLASH_EN(x)         (x & 0x02)
  42 #define EBONY_FLASH_SEL(x)              (x & 0x01)
  43 #define EBONY_SMALL_FLASH_LOW1  0x00000001ff800000ULL
  44 #define EBONY_SMALL_FLASH_LOW2  0x00000001ff880000ULL
  45 #define EBONY_SMALL_FLASH_HIGH1 0x00000001fff00000ULL
  46 #define EBONY_SMALL_FLASH_HIGH2 0x00000001fff80000ULL
  47 #define EBONY_SMALL_FLASH_SIZE  0x80000
  48 #define EBONY_LARGE_FLASH_LOW   0x00000001ff800000ULL
  49 #define EBONY_LARGE_FLASH_HIGH  0x00000001ffc00000ULL
  50 #define EBONY_LARGE_FLASH_SIZE  0x400000
  51
  52 #define EBONY_SMALL_FLASH_BASE  0x00000001fff80000ULL
  53 #define EBONY_LARGE_FLASH_BASE  0x00000001ff800000ULL
  54
  55 /*
  56  * Serial port defines
  57  */
  58
  59 #if defined(__BOOTER__)
  60 /* OpenBIOS defined UART mappings, used by bootloader shim */
  61 #define UART0_IO_BASE   0xE0000200
  62 #define UART1_IO_BASE   0xE0000300
  63 #else
  64 /* head_44x.S created UART mapping, used before early_serial_setup.
  65  * We cannot use default OpenBIOS UART mappings because they
  66  * don't work for configurations with more than 512M RAM.    --ebs
  67  */
  68 #define UART0_IO_BASE   0xF0000200
  69 #define UART1_IO_BASE   0xF0000300
  70 #endif
  71
  72 /* external Epson SG-615P */
  73 #define BASE_BAUD       691200
  74
  75 #define STD_UART_OP(num)                                        \
  76         { 0, BASE_BAUD, 0, UART##num##_INT,                     \
  77                 (ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST),        \
  78                 iomem_base: (void*)UART##num##_IO_BASE,         \
  79                 io_type: SERIAL_IO_MEM},
  80
  81 #define SERIAL_PORT_DFNS        \
  82         STD_UART_OP(0)          \
  83         STD_UART_OP(1)
  84
  85 /* PCI support */
  86 #define EBONY_PCI_LOWER_IO      0x00000000
  87 #define EBONY_PCI_UPPER_IO      0x0000ffff
  88 #define EBONY_PCI_LOWER_MEM     0x80002000
  89 #define EBONY_PCI_UPPER_MEM     0xffffefff
  90
  91 #define EBONY_PCI_CFGREGS_BASE  0x000000020ec00000
  92 #define EBONY_PCI_CFGA_PLB32    0x0ec00000
  93 #define EBONY_PCI_CFGD_PLB32    0x0ec00004
  94
  95 #define EBONY_PCI_IO_BASE       0x0000000208000000ULL
  96 #define EBONY_PCI_IO_SIZE       0x00010000
  97 #define EBONY_PCI_MEM_OFFSET    0x00000000
  98
  99 #endif                          /* __ASM_EBONY_H__ */
 100 #endif                          /* __KERNEL__ */