arch/arm/mach-omap2/sdrc.h

   1 #ifndef __ARCH_ARM_MACH_OMAP2_SDRC_H
   2 #define __ARCH_ARM_MACH_OMAP2_SDRC_H
   3
   4 /*
   5  * OMAP2 SDRC register definitions
   6  *
   7  * Copyright (C) 2007 Texas Instruments, Inc.
   8  * Copyright (C) 2007 Nokia Corporation
   9  *
  10  * Written by Paul Walmsley
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  */
  16 #undef DEBUG
  17
  18 #include <mach/sdrc.h>
  19
  20 #ifndef __ASSEMBLER__
  21 extern void __iomem *omap2_sdrc_base;
  22 extern void __iomem *omap2_sms_base;
  23
  24 #define OMAP_SDRC_REGADDR(reg)                  (omap2_sdrc_base + (reg))
  25 #define OMAP_SMS_REGADDR(reg)                   (omap2_sms_base + (reg))
  26
  27 /* SDRC global register get/set */
  28
  29 static inline void sdrc_write_reg(u32 val, u16 reg)
  30 {
  31         __raw_writel(val, OMAP_SDRC_REGADDR(reg));
  32 }
  33
  34 static inline u32 sdrc_read_reg(u16 reg)
  35 {
  36         return __raw_readl(OMAP_SDRC_REGADDR(reg));
  37 }
  38
  39 /* SMS global register get/set */
  40
  41 static inline void sms_write_reg(u32 val, u16 reg)
  42 {
  43         __raw_writel(val, OMAP_SMS_REGADDR(reg));
  44 }
  45
  46 static inline u32 sms_read_reg(u16 reg)
  47 {
  48         return __raw_readl(OMAP_SMS_REGADDR(reg));
  49 }
  50 #else
  51 #define OMAP242X_SDRC_REGADDR(reg)      OMAP2_IO_ADDRESS(OMAP2420_SDRC_BASE + (reg))
  52 #define OMAP243X_SDRC_REGADDR(reg)      OMAP2_IO_ADDRESS(OMAP243X_SDRC_BASE + (reg))
  53 #define OMAP34XX_SDRC_REGADDR(reg)      OMAP2_IO_ADDRESS(OMAP343X_SDRC_BASE + (reg))
  54 #endif  /* __ASSEMBLER__ */
  55
  56 #endif