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

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