#define SDRAM_TYPE_LPDDR1 6
#define SDRAM_TYPE_DDR3 7
+#define DDR_BL4 4 /* burst length 4 */
+#define DDR_BC4 DDR_BL4 /* burst chop for ddr3 */
+#define DDR_OTF 6 /* on-the-fly BC4 and BL8 */
+#define DDR_BL8 8 /* burst length 8 */
+
#if defined(CONFIG_FSL_DDR1)
#define FSL_DDR_MIN_TCKE_PULSE_WIDTH_DDR (1)
typedef ddr1_spd_eeprom_t generic_spd_eeprom_t;
#define FSL_DDR_BANK_INTERLEAVING 0x2
#define FSL_DDR_SUPERBANK_INTERLEAVING 0x3
+/* DDR_SDRAM_CFG - DDR SDRAM Control Configuration
+ */
+#define SDRAM_CFG_MEM_EN 0x80000000
+#define SDRAM_CFG_SREN 0x40000000
+#define SDRAM_CFG_ECC_EN 0x20000000
+#define SDRAM_CFG_RD_EN 0x10000000
+#define SDRAM_CFG_SDRAM_TYPE_DDR1 0x02000000
+#define SDRAM_CFG_SDRAM_TYPE_DDR2 0x03000000
+#define SDRAM_CFG_SDRAM_TYPE_MASK 0x07000000
+#define SDRAM_CFG_SDRAM_TYPE_SHIFT 24
+#define SDRAM_CFG_DYN_PWR 0x00200000
+#define SDRAM_CFG_32_BE 0x00080000
+#define SDRAM_CFG_8_BE 0x00040000
+#define SDRAM_CFG_NCAP 0x00020000
+#define SDRAM_CFG_2T_EN 0x00008000
+#define SDRAM_CFG_BI 0x00000001
+
+#if defined(CONFIG_P4080)
+#define RD_TO_PRE_MASK 0xf
+#define RD_TO_PRE_SHIFT 13
+#define WR_DATA_DELAY_MASK 0xf
+#define WR_DATA_DELAY_SHIFT 9
+#else
+#define RD_TO_PRE_MASK 0x7
+#define RD_TO_PRE_SHIFT 13
+#define WR_DATA_DELAY_MASK 0x7
+#define WR_DATA_DELAY_SHIFT 10
+#endif
+
/* Record of register values computed */
typedef struct fsl_ddr_cfg_regs_s {
struct {
unsigned int timing_cfg_5;
unsigned int ddr_zq_cntl;
unsigned int ddr_wrlvl_cntl;
- unsigned int ddr_pd_cntl;
unsigned int ddr_sr_cntr;
unsigned int ddr_sdram_rcw_1;
unsigned int ddr_sdram_rcw_2;
unsigned int dynamic_power; /* DYN_PWR */
/* memory data width to use (16-bit, 32-bit, 64-bit) */
unsigned int data_bus_width;
- unsigned int burst_length; /* 4, 8 */
+ unsigned int burst_length; /* BL4, OTF and BL8 */
+ /* On-The-Fly Burst Chop enable */
+ unsigned int OTF_burst_chop_en;
+ /* mirrior DIMMs for DDR3 */
+ unsigned int mirrored_dimm;
/* Global Timing Parameters */
unsigned int cas_latency_override;
unsigned int bstopre;
unsigned int tCKE_clock_pulse_width_ps; /* tCKE */
unsigned int tFAW_window_four_activates_ps; /* tFAW -- FOUR_ACT */
+
+ /* Rtt impedance */
+ unsigned int rtt_override; /* rtt_override enable */
+ unsigned int rtt_override_value; /* that is Rtt_Nom for DDR3 */
+
+ /* Automatic self refresh */
+ unsigned int auto_self_refresh_en;
+ unsigned int sr_it;
+ /* ZQ calibration */
+ unsigned int zq_en;
+ /* Write leveling */
+ unsigned int wrlvl_en;
} memctl_options_t;
extern phys_size_t fsl_ddr_sdram(void);