sdrc.h 1.4 KB

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  1. #ifndef __ARCH_ARM_MACH_OMAP2_SDRC_H
  2. #define __ARCH_ARM_MACH_OMAP2_SDRC_H
  3. /*
  4. * OMAP2 SDRC register definitions
  5. *
  6. * Copyright (C) 2007 Texas Instruments, Inc.
  7. * Copyright (C) 2007 Nokia Corporation
  8. *
  9. * Written by Paul Walmsley
  10. *
  11. * This program is free software; you can redistribute it and/or modify
  12. * it under the terms of the GNU General Public License version 2 as
  13. * published by the Free Software Foundation.
  14. */
  15. #undef DEBUG
  16. #include <asm/arch/sdrc.h>
  17. #ifndef __ASSEMBLER__
  18. extern unsigned long omap2_sdrc_base;
  19. extern unsigned long omap2_sms_base;
  20. #define OMAP_SDRC_REGADDR(reg) \
  21. (void __iomem *)IO_ADDRESS(omap2_sdrc_base + (reg))
  22. #define OMAP_SMS_REGADDR(reg) \
  23. (void __iomem *)IO_ADDRESS(omap2_sms_base + (reg))
  24. /* SDRC global register get/set */
  25. static inline void sdrc_write_reg(u32 val, u16 reg)
  26. {
  27. __raw_writel(val, OMAP_SDRC_REGADDR(reg));
  28. }
  29. static inline u32 sdrc_read_reg(u16 reg)
  30. {
  31. return __raw_readl(OMAP_SDRC_REGADDR(reg));
  32. }
  33. /* SMS global register get/set */
  34. static inline void sms_write_reg(u32 val, u16 reg)
  35. {
  36. __raw_writel(val, OMAP_SMS_REGADDR(reg));
  37. }
  38. static inline u32 sms_read_reg(u16 reg)
  39. {
  40. return __raw_readl(OMAP_SMS_REGADDR(reg));
  41. }
  42. #else
  43. #define OMAP242X_SDRC_REGADDR(reg) IO_ADDRESS(OMAP2420_SDRC_BASE + (reg))
  44. #define OMAP243X_SDRC_REGADDR(reg) IO_ADDRESS(OMAP243X_SDRC_BASE + (reg))
  45. #define OMAP34XX_SDRC_REGADDR(reg) IO_ADDRESS(OMAP343X_SDRC_BASE + (reg))
  46. #endif /* __ASSEMBLER__ */
  47. #endif