arch/sh/cchips/voyagergx/setup.c

   1 /*
   2  * arch/sh/cchips/voyagergx/setup.c
   3  *
   4  * Setup routines for VoyagerGX cchip.
   5  *
   6  * Copyright (C) 2003 Lineo uSolutions, 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 #include <linux/init.h>
  14 #include <linux/module.h>
  15 #include <asm/io.h>
  16 #include <asm/rts7751r2d/voyagergx_reg.h>
  17
  18 static int __init setup_voyagergx(void)
  19 {
  20         unsigned long val;
  21
  22         val = inl(DRAM_CTRL);
  23         val |= (DRAM_CTRL_CPU_COLUMN_SIZE_256   |
  24                 DRAM_CTRL_CPU_ACTIVE_PRECHARGE  |
  25                 DRAM_CTRL_CPU_RESET             |
  26                 DRAM_CTRL_REFRESH_COMMAND       |
  27                 DRAM_CTRL_BLOCK_WRITE_TIME      |
  28                 DRAM_CTRL_BLOCK_WRITE_PRECHARGE |
  29                 DRAM_CTRL_ACTIVE_PRECHARGE      |
  30                 DRAM_CTRL_RESET                 |
  31                 DRAM_CTRL_REMAIN_ACTIVE);
  32         outl(val, DRAM_CTRL);
  33
  34         return 0;
  35 }
  36
  37 module_init(setup_voyagergx);