diff options
Diffstat (limited to 'arch/arm/include/asm/emif.h')
| -rw-r--r-- | arch/arm/include/asm/emif.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h index d9d521a515..e68c113e28 100644 --- a/arch/arm/include/asm/emif.h +++ b/arch/arm/include/asm/emif.h @@ -14,11 +14,15 @@ #define _EMIF_H_ #include <asm/types.h> #include <common.h> +#include <asm/io.h> /* Base address */ #define EMIF1_BASE 0x4c000000 #define EMIF2_BASE 0x4d000000 +#define EMIF_4D 0x4 +#define EMIF_4D5 0x5 + /* Registers shifts, masks and values */ /* EMIF_MOD_ID_REV */ @@ -1148,6 +1152,14 @@ struct read_write_regs { u32 write_reg; }; +static inline u32 get_emif_rev(u32 base) +{ + struct emif_reg_struct *emif = (struct emif_reg_struct *)base; + + return (readl(&emif->emif_mod_id_rev) & EMIF_REG_MAJOR_REVISION_MASK) + >> EMIF_REG_MAJOR_REVISION_SHIFT; +} + /* assert macros */ #if defined(DEBUG) #define emif_assert(c) ({ if (!(c)) for (;;); }) |