include/mpc85xx.h

   1 /*
   2  * Copyright 2004, 2007 Freescale Semiconductor.
   3  * Copyright(c) 2003 Motorola Inc.
   4  */
   5
   6 #ifndef __MPC85xx_H__
   7 #define __MPC85xx_H__
   8
   9 /* define for common ppc_asm.tmpl */
  10 #define EXC_OFF_SYS_RESET       0x100   /* System reset */
  11 #define _START_OFFSET           0
  12
  13 #if defined(CONFIG_E500)
  14 #include <e500.h>
  15 #endif
  16
  17 /*
  18  * SCCR - System Clock Control Register, 9-8
  19  */
  20 #define SCCR_CLPD       0x00000004      /* CPM Low Power Disable */
  21 #define SCCR_DFBRG_MSK  0x00000003      /* Division by BRGCLK Mask */
  22 #define SCCR_DFBRG_SHIFT 0
  23
  24 #define SCCR_DFBRG00    0x00000000      /* BRGCLK division by 4 */
  25 #define SCCR_DFBRG01    0x00000001      /* BRGCLK div by 16 (normal) */
  26 #define SCCR_DFBRG10    0x00000002      /* BRGCLK division by 64 */
  27 #define SCCR_DFBRG11    0x00000003      /* BRGCLK division by 256 */
  28
  29 /*
  30  * Define default values for some CCSR macros to make header files cleaner*
  31  *
  32  * To completely disable CCSR relocation in a board header file, define
  33  * CONFIG_SYS_CCSR_DO_NOT_RELOCATE.  This will force CONFIG_SYS_CCSRBAR_PHYS
  34  * to a value that is the same as CONFIG_SYS_CCSRBAR.
  35  */
  36
  37 #ifdef CONFIG_SYS_CCSRBAR_PHYS
  38 #error "Do not define CONFIG_SYS_CCSRBAR_PHYS directly.  Use \
  39 CONFIG_SYS_CCSRBAR_PHYS_LOW and/or CONFIG_SYS_CCSRBAR_PHYS_HIGH instead."
  40 #endif
  41
  42 #ifdef CONFIG_SYS_CCSR_DO_NOT_RELOCATE
  43 #undef CONFIG_SYS_CCSRBAR_PHYS_HIGH
  44 #undef CONFIG_SYS_CCSRBAR_PHYS_LOW
  45 #define CONFIG_SYS_CCSRBAR_PHYS_HIGH    0
  46 #endif
  47
  48 #ifndef CONFIG_SYS_CCSRBAR
  49 #define CONFIG_SYS_CCSRBAR              CONFIG_SYS_CCSRBAR_DEFAULT
  50 #endif
  51
  52 #ifndef CONFIG_SYS_CCSRBAR_PHYS_HIGH
  53 #ifdef CONFIG_PHYS_64BIT
  54 #define CONFIG_SYS_CCSRBAR_PHYS_HIGH    0xf
  55 #else
  56 #define CONFIG_SYS_CCSRBAR_PHYS_HIGH    0
  57 #endif
  58 #endif
  59
  60 #ifndef CONFIG_SYS_CCSRBAR_PHYS_LOW
  61 #define CONFIG_SYS_CCSRBAR_PHYS_LOW     CONFIG_SYS_CCSRBAR_DEFAULT
  62 #endif
  63
  64 #define CONFIG_SYS_CCSRBAR_PHYS ((CONFIG_SYS_CCSRBAR_PHYS_HIGH * 1ull) << 32 | \
  65                                  CONFIG_SYS_CCSRBAR_PHYS_LOW)
  66
  67 #ifndef CONFIG_SYS_IMMR
  68 #define CONFIG_SYS_IMMR                 CONFIG_SYS_CCSRBAR
  69 #endif
  70
  71 #endif  /* __MPC85xx_H__ */