pm-simtec.c 1.5 KB

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  1. /* linux/arch/arm/plat-s3c24xx/pm-simtec.c
  2. *
  3. * Copyright (c) 2004 Simtec Electronics
  4. * Ben Dooks <ben@simtec.co.uk>
  5. *
  6. * http://armlinux.simtec.co.uk/
  7. *
  8. * Power Management helpers for Simtec S3C24XX implementations
  9. *
  10. * This program is free software; you can redistribute it and/or modify
  11. * it under the terms of the GNU General Public License version 2 as
  12. * published by the Free Software Foundation.
  13. */
  14. #include <linux/kernel.h>
  15. #include <linux/types.h>
  16. #include <linux/interrupt.h>
  17. #include <linux/list.h>
  18. #include <linux/timer.h>
  19. #include <linux/init.h>
  20. #include <linux/device.h>
  21. #include <asm/mach/arch.h>
  22. #include <asm/mach/map.h>
  23. #include <asm/hardware.h>
  24. #include <asm/io.h>
  25. #include <asm/arch/map.h>
  26. #include <asm/arch/regs-gpio.h>
  27. #include <asm/arch/regs-mem.h>
  28. #include <asm/mach-types.h>
  29. #include <asm/plat-s3c24xx/pm.h>
  30. #define COPYRIGHT ", (c) 2005 Simtec Electronics"
  31. /* pm_simtec_init
  32. *
  33. * enable the power management functions
  34. */
  35. static __init int pm_simtec_init(void)
  36. {
  37. unsigned long gstatus4;
  38. /* check which machine we are running on */
  39. if (!machine_is_bast() && !machine_is_vr1000() &&
  40. !machine_is_anubis() && !machine_is_osiris() &&
  41. !machine_is_aml_m5900())
  42. return 0;
  43. printk(KERN_INFO "Simtec Board Power Manangement" COPYRIGHT "\n");
  44. gstatus4 = (__raw_readl(S3C2410_BANKCON7) & 0x3) << 30;
  45. gstatus4 |= (__raw_readl(S3C2410_BANKCON6) & 0x3) << 28;
  46. gstatus4 |= (__raw_readl(S3C2410_BANKSIZE) & S3C2410_BANKSIZE_MASK);
  47. __raw_writel(gstatus4, S3C2410_GSTATUS4);
  48. return s3c2410_pm_init();
  49. }
  50. arch_initcall(pm_simtec_init);