index f1e3ad212ebaf4352790b193edcb902e63a81d62..9d72fe34fc71bc3ccf97176e5aac16450f553053 100644 (file)
#define EMIF1_BASE 0x4c000000
#define EMIF2_BASE 0x4d000000
-/* Registers shifts and masks */
+/* Registers shifts, masks and values */
/* EMIF_MOD_ID_REV */
#define EMIF_REG_SCHEME_SHIFT 30
/* SDRAM_CONFIG */
#define EMIF_REG_SDRAM_TYPE_SHIFT 29
#define EMIF_REG_SDRAM_TYPE_MASK (0x7 << 29)
+#define EMIF_REG_SDRAM_TYPE_DDR1 0
+#define EMIF_REG_SDRAM_TYPE_LPDDR1 1
+#define EMIF_REG_SDRAM_TYPE_DDR2 2
+#define EMIF_REG_SDRAM_TYPE_DDR3 3
+#define EMIF_REG_SDRAM_TYPE_LPDDR2_S4 4
+#define EMIF_REG_SDRAM_TYPE_LPDDR2_S2 5
#define EMIF_REG_IBANK_POS_SHIFT 27
#define EMIF_REG_IBANK_POS_MASK (0x3 << 27)
#define EMIF_REG_DDR_TERM_SHIFT 24
#define EMIF_REG_DDR_PHY_CTRL_2_SHIFT 0
#define EMIF_REG_DDR_PHY_CTRL_2_MASK (0xffffffff << 0)
+/*EMIF_READ_WRITE_LEVELING_CONTROL*/
+#define EMIF_REG_RDWRLVLFULL_START_SHIFT 31
+#define EMIF_REG_RDWRLVLFULL_START_MASK (1 << 31)
+#define EMIF_REG_RDWRLVLINC_PRE_SHIFT 24
+#define EMIF_REG_RDWRLVLINC_PRE_MASK (0x7F << 24)
+#define EMIF_REG_RDLVLINC_INT_SHIFT 16
+#define EMIF_REG_RDLVLINC_INT_MASK (0xFF << 16)
+#define EMIF_REG_RDLVLGATEINC_INT_SHIFT 8
+#define EMIF_REG_RDLVLGATEINC_INT_MASK (0xFF << 8)
+#define EMIF_REG_WRLVLINC_INT_SHIFT 0
+#define EMIF_REG_WRLVLINC_INT_MASK (0xFF << 0)
+
+/*EMIF_READ_WRITE_LEVELING_RAMP_CONTROL*/
+#define EMIF_REG_RDWRLVL_EN_SHIFT 31
+#define EMIF_REG_RDWRLVL_EN_MASK (1 << 31)
+#define EMIF_REG_RDWRLVLINC_RMP_PRE_SHIFT 24
+#define EMIF_REG_RDWRLVLINC_RMP_PRE_MASK (0x7F << 24)
+#define EMIF_REG_RDLVLINC_RMP_INT_SHIFT 16
+#define EMIF_REG_RDLVLINC_RMP_INT_MASK (0xFF << 16)
+#define EMIF_REG_RDLVLGATEINC_RMP_INT_SHIFT 8
+#define EMIF_REG_RDLVLGATEINC_RMP_INT_MASK (0xFF << 8)
+#define EMIF_REG_WRLVLINC_RMP_INT_SHIFT 0
+#define EMIF_REG_WRLVLINC_RMP_INT_MASK (0xFF << 0)
+
+/*EMIF_READ_WRITE_LEVELING_RAMP_WINDOW*/
+#define EMIF_REG_RDWRLVLINC_RMP_WIN_SHIFT 0
+#define EMIF_REG_RDWRLVLINC_RMP_WIN_MASK (0x1FFF << 0)
+
+/*Leveling Fields */
+#define DDR3_WR_LVL_INT 0x73
+#define DDR3_RD_LVL_INT 0x33
+#define DDR3_RD_LVL_GATE_INT 0x59
+#define RD_RW_LVL_INC_PRE 0x0
+#define DDR3_FULL_LVL (1 << EMIF_REG_RDWRLVL_EN_SHIFT)
+
+#define DDR3_INC_LVL ((DDR3_WR_LVL_INT << EMIF_REG_WRLVLINC_INT_SHIFT) \
+ | (DDR3_RD_LVL_GATE_INT << EMIF_REG_RDLVLGATEINC_INT_SHIFT) \
+ | (DDR3_RD_LVL_INT << EMIF_REG_RDLVLINC_RMP_INT_SHIFT) \
+ | (RD_RW_LVL_INC_PRE << EMIF_REG_RDWRLVLINC_RMP_PRE_SHIFT))
+
+#define SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES 0x0000C1A7
+#define SDRAM_CONFIG_EXT_RD_LVL_4_SAMPLES 0x000001A7
+#define SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES_ES2 0x0000C1C7
+
/* DMM */
#define DMM_BASE 0x4E000040
u32 dmm_lisa_map_3;
};
-extern const u32 ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG];
-
#define CS0 0
#define CS1 1
/* The maximum frequency at which the LPDDR2 interface can operate in Hz*/
#define MR8_IO_WIDTH_SHIFT 0x6
#define MR8_IO_WIDTH_MASK (0x3 << 0x6)
+/* SDRAM TYPE */
+#define EMIF_SDRAM_TYPE_DDR2 0x2
+#define EMIF_SDRAM_TYPE_DDR3 0x3
+#define EMIF_SDRAM_TYPE_LPDDR2 0x4
+
struct lpddr2_addressing {
u8 num_banks;
u8 t_REFI_us_x10;
u32 emif_ddr_ext_phy_ctrl_3;
u32 emif_ddr_ext_phy_ctrl_4;
u32 emif_ddr_ext_phy_ctrl_5;
+ u32 emif_rd_wr_lvl_rmp_win;
+ u32 emif_rd_wr_lvl_rmp_ctl;
+ u32 emif_rd_wr_lvl_ctl;
+ u32 emif_rd_wr_exec_thresh;
+};
+
+struct lpddr2_mr_regs {
+ s8 mr1;
+ s8 mr2;
+ s8 mr3;
+ s8 mr10;
+ s8 mr16;
};
/* assert macros */
const struct lpddr2_device_timings **cs1_device_timings);
#endif
+void do_ext_phy_settings(u32 base, const struct emif_regs *regs);
+void get_lpddr2_mr_regs(const struct lpddr2_mr_regs **regs);
+
#ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
extern u32 *const T_num;
extern u32 *const T_den;
extern u32 *const emif_sizes;
#endif
-
+void config_data_eye_leveling_samples(u32 emif_base);
+u32 emif_sdram_type(void);
#endif