#define _EMIF_H_
#include <asm/types.h>
#include <common.h>
+#include <asm/io.h>
/* Base address */
#define EMIF1_BASE 0x4c000000
#define EMIF2_BASE 0x4d000000
-/* Registers shifts and masks */
+#define EMIF_4D 0x4
+#define EMIF_4D5 0x5
+
+/* 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
(0xFF << EMIF_SYS_ADDR_SHIFT))
#define EMIF_EXT_PHY_CTRL_TIMING_REG 0x5
-#define EMIF_EXT_PHY_CTRL_CONST_REG 0x13
/* Reg mapping structure */
struct emif_reg_struct {
u32 emif_ddr_phy_ctrl_1;
u32 emif_ddr_phy_ctrl_1_shdw;
u32 emif_ddr_phy_ctrl_2;
- u32 padding7[12];
+ u32 padding7[4];
+ u32 emif_prio_class_serv_map;
+ u32 emif_connect_id_serv_1_map;
+ u32 emif_connect_id_serv_2_map;
+ u32 padding8[5];
u32 emif_rd_wr_exec_thresh;
- u32 padding8[55];
+ u32 emif_cos_config;
+ u32 padding9[6];
+ u32 emif_ddr_phy_status[21];
+ u32 padding10[27];
u32 emif_ddr_ext_phy_ctrl_1;
u32 emif_ddr_ext_phy_ctrl_1_shdw;
u32 emif_ddr_ext_phy_ctrl_2;
u32 emif_ddr_ext_phy_ctrl_23_shdw;
u32 emif_ddr_ext_phy_ctrl_24;
u32 emif_ddr_ext_phy_ctrl_24_shdw;
+ u32 padding[22];
+ u32 emif_ddr_fifo_misaligned_clear_1;
+ u32 emif_ddr_fifo_misaligned_clear_2;
};
struct dmm_lisa_map_regs {
u32 dmm_lisa_map_1;
u32 dmm_lisa_map_2;
u32 dmm_lisa_map_3;
+ u8 is_ma_present;
};
-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 DPD_ENABLE 1
/* Maximum delay before Low Power Modes */
-#ifndef CONFIG_OMAP54XX
-#define REG_CS_TIM 0xF
-#else
#define REG_CS_TIM 0x0
-#endif
-#define REG_SR_TIM 0xF
-#define REG_PD_TIM 0xF
+#define REG_SR_TIM 0x0
+#define REG_PD_TIM 0x0
+
/* EMIF_PWR_MGMT_CTRL register */
#define EMIF_PWR_MGMT_CTRL (\
((REG_CS_TIM << EMIF_REG_CS_TIM_SHIFT) & EMIF_REG_CS_TIM_MASK)|\
((REG_SR_TIM << EMIF_REG_SR_TIM_SHIFT) & EMIF_REG_SR_TIM_MASK)|\
((REG_PD_TIM << EMIF_REG_PD_TIM_SHIFT) & EMIF_REG_PD_TIM_MASK)|\
- ((REG_PD_TIM << EMIF_REG_PD_TIM_SHIFT) & EMIF_REG_PD_TIM_MASK)|\
((LP_MODE_DISABLE << EMIF_REG_LP_MODE_SHIFT)\
& EMIF_REG_LP_MODE_MASK) |\
((DPD_DISABLE << EMIF_REG_DPD_EN_SHIFT)\
& EMIF_REG_CS_TIM_SHDW_MASK) |\
((REG_SR_TIM << EMIF_REG_SR_TIM_SHDW_SHIFT)\
& EMIF_REG_SR_TIM_SHDW_MASK) |\
- ((REG_PD_TIM << EMIF_REG_PD_TIM_SHDW_SHIFT)\
- & EMIF_REG_PD_TIM_SHDW_MASK) |\
((REG_PD_TIM << EMIF_REG_PD_TIM_SHDW_SHIFT)\
& EMIF_REG_PD_TIM_SHDW_MASK))
#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 freq;
u32 sdram_config_init;
u32 sdram_config;
+ u32 sdram_config2;
u32 ref_ctrl;
u32 sdram_tim1;
u32 sdram_tim2;
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;
+ u32 emif_prio_class_serv_map;
+ u32 emif_connect_id_serv_1_map;
+ u32 emif_connect_id_serv_2_map;
+ u32 emif_cos_config;
};
+struct lpddr2_mr_regs {
+ s8 mr1;
+ s8 mr2;
+ s8 mr3;
+ s8 mr10;
+ s8 mr16;
+};
+
+struct read_write_regs {
+ u32 read_reg;
+ 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;
+}
+
+/*
+ * 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 (;;); })
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);
+const struct read_write_regs *get_bug_regs(u32 *iterations);
#endif
projects / karo-tx-uboot.git / blobdiff