diff options
Diffstat (limited to 'arch/arm/include/asm/emif.h')
| -rw-r--r-- | arch/arm/include/asm/emif.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h index e68c113e28..45668ca4dd 100644 --- a/arch/arm/include/asm/emif.h +++ b/arch/arm/include/asm/emif.h @@ -1160,6 +1160,20 @@ static inline u32 get_emif_rev(u32 base) >> EMIF_REG_MAJOR_REVISION_SHIFT; } +/* + * Get SDRAM type connected to EMIF. + * Assuming similar SDRAM parts are connected to both EMIF's + * which is typically the case. So it is sufficient to get + * SDRAM type from EMIF1. + */ +static inline u32 emif_sdram_type(void) +{ + struct emif_reg_struct *emif = (struct emif_reg_struct *)EMIF1_BASE; + + return (readl(&emif->emif_sdram_config) & + EMIF_REG_SDRAM_TYPE_MASK) >> EMIF_REG_SDRAM_TYPE_SHIFT; +} + /* assert macros */ #if defined(DEBUG) #define emif_assert(c) ({ if (!(c)) for (;;); }) |