setup.c 955 B

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  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/voyagergx.h>
  17. static int __init setup_voyagergx(void)
  18. {
  19. unsigned long val;
  20. val = readl((void __iomem *)DRAM_CTRL);
  21. val |= (DRAM_CTRL_CPU_COLUMN_SIZE_256 |
  22. DRAM_CTRL_CPU_ACTIVE_PRECHARGE |
  23. DRAM_CTRL_CPU_RESET |
  24. DRAM_CTRL_REFRESH_COMMAND |
  25. DRAM_CTRL_BLOCK_WRITE_TIME |
  26. DRAM_CTRL_BLOCK_WRITE_PRECHARGE |
  27. DRAM_CTRL_ACTIVE_PRECHARGE |
  28. DRAM_CTRL_RESET |
  29. DRAM_CTRL_REMAIN_ACTIVE);
  30. writel(val, (void __iomem *)DRAM_CTRL);
  31. return 0;
  32. }
  33. module_init(setup_voyagergx);