arch/powerpc/include/asm/config.h

   1 /*
   2  * Copyright 2009-2010 Freescale Semiconductor, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  17  * MA 02111-1307 USA
  18  *
  19  */
  20
  21 #ifndef _ASM_CONFIG_H_
  22 #define _ASM_CONFIG_H_
  23
  24 #define CONFIG_LMB
  25
  26 #ifndef CONFIG_MAX_MEM_MAPPED
  27 #if defined(CONFIG_4xx) || defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
  28 #define CONFIG_MAX_MEM_MAPPED   ((phys_size_t)2 << 30)
  29 #else
  30 #define CONFIG_MAX_MEM_MAPPED   (256 << 20)
  31 #endif
  32 #endif
  33
  34 /* Check if boards need to enable FSL DMA engine for SDRAM init */
  35 #if !defined(CONFIG_FSL_DMA) && defined(CONFIG_DDR_ECC)
  36 #if (defined(CONFIG_MPC83xx) && defined(CONFIG_DDR_ECC_INIT_VIA_DMA)) || \
  37         ((defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)) && \
  38         !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER))
  39 #define CONFIG_FSL_DMA
  40 #endif
  41 #endif
  42
  43 #if defined(CONFIG_MPC8572) || defined(CONFIG_P1020) || \
  44         defined(CONFIG_P1021) || defined(CONFIG_P1022) || \
  45         defined(CONFIG_P2020) || defined(CONFIG_MPC8641)
  46 #define CONFIG_MAX_CPUS         2
  47 #elif defined(CONFIG_PPC_P4080)
  48 #define CONFIG_MAX_CPUS         8
  49 #else
  50 #define CONFIG_MAX_CPUS         1
  51 #endif
  52
  53 /*
  54  * Provide a default boot page translation virtual address that lines up with
  55  * Freescale's default e500 reset page.
  56  */
  57 #if (defined(CONFIG_E500) && defined(CONFIG_MP))
  58 #ifndef CONFIG_BPTR_VIRT_ADDR
  59 #define CONFIG_BPTR_VIRT_ADDR   0xfffff000
  60 #endif
  61 #endif
  62
  63 /* Enable TSEC2.0 for the platforms that have it if we are using TSEC */
  64 #if defined(CONFIG_TSEC_ENET) && \
  65     (defined(CONFIG_P1020) || defined(CONFIG_P1011))
  66 #define CONFIG_TSECV2
  67 #endif
  68
  69 /*
  70  * SEC (crypto unit) major compatible version determination
  71  */
  72 #if defined(CONFIG_FSL_CORENET)
  73 #define CONFIG_SYS_FSL_SEC_COMPAT       4
  74 #elif defined(CONFIG_MPC85xx) || defined(CONFIG_MPC83xx)
  75 #define CONFIG_SYS_FSL_SEC_COMPAT       2
  76 #endif
  77
  78 /* Number of TLB CAM entries we have on FSL Book-E chips */
  79 #if defined(CONFIG_E500MC)
  80 #define CONFIG_SYS_NUM_TLBCAMS  64
  81 #elif defined(CONFIG_E500)
  82 #define CONFIG_SYS_NUM_TLBCAMS  16
  83 #endif
  84
  85 /* Relocation to SDRAM works on all PPC boards */
  86 #define CONFIG_RELOC_FIXUP_WORKS
  87
  88 /* Since so many PPC SOCs have a semi-common LBC, define this here */
  89 #if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) || \
  90         defined(CONFIG_MPC83xx)
  91 #define CONFIG_FSL_LBC
  92 #endif
  93
  94 #endif /* _ASM_CONFIG_H_ */