uboot/arch/sh/include/asm/cpu_sh4.h
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   1/*
   2 * (C) Copyright 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
   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#ifndef _ASM_CPU_SH4_H_
  21#define _ASM_CPU_SH4_H_
  22
  23/* cache control */
  24#define CCR_CACHE_STOP   0x00000808
  25#define CCR_CACHE_ENABLE 0x00000101
  26#define CCR_CACHE_ICI    0x00000800
  27
  28#define CACHE_OC_ADDRESS_ARRAY  0xf4000000
  29
  30#if defined (CONFIG_CPU_SH7750) || \
  31        defined(CONFIG_CPU_SH7751)
  32#define CACHE_OC_WAY_SHIFT      14
  33#define CACHE_OC_NUM_ENTRIES    512
  34#else
  35#define CACHE_OC_WAY_SHIFT      13
  36#define CACHE_OC_NUM_ENTRIES    256
  37#endif
  38#define CACHE_OC_ENTRY_SHIFT    5
  39
  40#if defined (CONFIG_CPU_SH7750) || \
  41        defined(CONFIG_CPU_SH7751)
  42# include <asm/cpu_sh7750.h>
  43#elif defined (CONFIG_CPU_SH7722)
  44# include <asm/cpu_sh7722.h>
  45#elif defined (CONFIG_CPU_SH7723)
  46# include <asm/cpu_sh7723.h>
  47#elif defined (CONFIG_CPU_SH7724)
  48# include <asm/cpu_sh7724.h>
  49#elif defined (CONFIG_CPU_SH7734)
  50# include <asm/cpu_sh7734.h>
  51#elif defined (CONFIG_CPU_SH7752)
  52# include <asm/cpu_sh7752.h>
  53#elif defined (CONFIG_CPU_SH7757)
  54# include <asm/cpu_sh7757.h>
  55#elif defined (CONFIG_CPU_SH7763)
  56# include <asm/cpu_sh7763.h>
  57#elif defined (CONFIG_CPU_SH7780)
  58# include <asm/cpu_sh7780.h>
  59#elif defined (CONFIG_CPU_SH7785)
  60# include <asm/cpu_sh7785.h>
  61#else
  62# error "Unknown SH4 variant"
  63#endif
  64
  65#if defined(CONFIG_SH_32BIT)
  66#define PMB_ADDR_ARRAY          0xf6100000
  67#define PMB_ADDR_ENTRY          8
  68#define PMB_VPN                 24
  69
  70#define PMB_DATA_ARRAY          0xf7100000
  71#define PMB_DATA_ENTRY          8
  72#define PMB_PPN                 24
  73#define PMB_UB                  9               /* Buffered write */
  74#define PMB_V                   8               /* Valid */
  75#define PMB_SZ1                 7               /* Page size (upper bit) */
  76#define PMB_SZ0                 4               /* Page size (lower bit) */
  77#define PMB_C                   3               /* Cacheability */
  78#define PMB_WT                  0               /* Write-through */
  79
  80#define PMB_ADDR_BASE(entry)    (PMB_ADDR_ARRAY + (entry << PMB_ADDR_ENTRY))
  81#define PMB_DATA_BASE(entry)    (PMB_DATA_ARRAY + (entry << PMB_DATA_ENTRY))
  82#define mk_pmb_addr_val(vpn)    ((vpn << PMB_VPN))
  83#define mk_pmb_data_val(ppn, ub, v, sz1, sz0, c, wt)    \
  84                                ((ppn << PMB_PPN) | (ub << PMB_UB) | \
  85                                 (v << PMB_V) | (sz1 << PMB_SZ1) | \
  86                                 (sz0 << PMB_SZ0) | (c << PMB_C) | \
  87                                 (wt << PMB_WT))
  88#endif
  89
  90#endif  /* _ASM_CPU_SH4_H_ */
  91