diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/arch-mx6/mx6-ddr.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mx6/mx6-ddr.h b/arch/arm/include/asm/arch-mx6/mx6-ddr.h index 36fcb2b..68d9bda 100644 --- a/arch/arm/include/asm/arch-mx6/mx6-ddr.h +++ b/arch/arm/include/asm/arch-mx6/mx6-ddr.h @@ -377,6 +377,21 @@ struct mx6_ddr3_cfg { u8 SRT; /* self-refresh temperature: 0=normal, 1=extended */ }; +/* Device Information: Varies per LPDDR2 part number and speed grade */ +struct mx6_lpddr2_cfg { + u16 mem_speed; /* ie 800 for LPDDR2-800 */ + u8 density; /* chip density (Gb) (1,2,4,8) */ + u8 width; /* bus width (bits) (4,8,16) */ + u8 banks; /* number of banks */ + u8 rowaddr; /* row address bits (11-16)*/ + u8 coladdr; /* col address bits (9-12) */ + u16 trcd_lp; + u16 trppb_lp; + u16 trpab_lp; + u16 trcmin; /* tRC min (ns*100) */ + u16 trasmin; /* tRAS min (ns*100) */ +}; + /* System Information: Varies per board design, layout, and term choices */ struct mx6_ddr_sysinfo { u8 dsize; /* size of bus (in dwords: 0=16bit,1=32bit,2=64bit) */ |