diff options
Diffstat (limited to 'arch/arm/mach-omap2/sdrc.h')
-rw-r--r-- | arch/arm/mach-omap2/sdrc.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/sdrc.h b/arch/arm/mach-omap2/sdrc.h new file mode 100644 index 000000000000..d7f23bc9550a --- /dev/null +++ b/arch/arm/mach-omap2/sdrc.h @@ -0,0 +1,58 @@ +#ifndef __ARCH_ARM_MACH_OMAP2_SDRC_H +#define __ARCH_ARM_MACH_OMAP2_SDRC_H + +/* + * OMAP2 SDRC register definitions + * + * Copyright (C) 2007 Texas Instruments, Inc. + * Copyright (C) 2007 Nokia Corporation + * + * Written by Paul Walmsley + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#undef DEBUG + +#include <asm/arch/sdrc.h> + +#ifndef __ASSEMBLER__ +extern unsigned long omap2_sdrc_base; +extern unsigned long omap2_sms_base; + +#define OMAP_SDRC_REGADDR(reg) \ + (void __iomem *)IO_ADDRESS(omap2_sdrc_base + (reg)) +#define OMAP_SMS_REGADDR(reg) \ + (void __iomem *)IO_ADDRESS(omap2_sms_base + (reg)) + +/* SDRC global register get/set */ + +static inline void sdrc_write_reg(u32 val, u16 reg) +{ + __raw_writel(val, OMAP_SDRC_REGADDR(reg)); +} + +static inline u32 sdrc_read_reg(u16 reg) +{ + return __raw_readl(OMAP_SDRC_REGADDR(reg)); +} + +/* SMS global register get/set */ + +static inline void sms_write_reg(u32 val, u16 reg) +{ + __raw_writel(val, OMAP_SMS_REGADDR(reg)); +} + +static inline u32 sms_read_reg(u16 reg) +{ + return __raw_readl(OMAP_SMS_REGADDR(reg)); +} +#else +#define OMAP242X_SDRC_REGADDR(reg) IO_ADDRESS(OMAP2420_SDRC_BASE + (reg)) +#define OMAP243X_SDRC_REGADDR(reg) IO_ADDRESS(OMAP243X_SDRC_BASE + (reg)) +#define OMAP34XX_SDRC_REGADDR(reg) IO_ADDRESS(OMAP343X_SDRC_BASE + (reg)) +#endif /* __ASSEMBLER__ */ + +#endif |