omap4: add sdram init support

[platform/kernel/u-boot.git] / arch / arm / include / asm / arch-omap4 / emif.h

/*
 * OMAP44xx EMIF header
 *
 * Copyright (C) 2009-2010 Texas Instruments, Inc.
 *
 * Aneesh V <aneesh@ti.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef _EMIF_H_
#define _EMIF_H_
#include <asm/types.h>
#include <common.h>

/* Base address */
#define OMAP44XX_EMIF1                          0x4c000000
#define OMAP44XX_EMIF2                          0x4d000000

/* Registers shifts and masks */

/* EMIF_MOD_ID_REV */
#define OMAP44XX_REG_SCHEME_SHIFT                       30
#define OMAP44XX_REG_SCHEME_MASK                        (0x3 << 30)
#define OMAP44XX_REG_MODULE_ID_SHIFT                    16
#define OMAP44XX_REG_MODULE_ID_MASK                     (0xfff << 16)
#define OMAP44XX_REG_RTL_VERSION_SHIFT                  11
#define OMAP44XX_REG_RTL_VERSION_MASK                   (0x1f << 11)
#define OMAP44XX_REG_MAJOR_REVISION_SHIFT               8
#define OMAP44XX_REG_MAJOR_REVISION_MASK                (0x7 << 8)
#define OMAP44XX_REG_MINOR_REVISION_SHIFT               0
#define OMAP44XX_REG_MINOR_REVISION_MASK                (0x3f << 0)

/* STATUS */
#define OMAP44XX_REG_BE_SHIFT                           31
#define OMAP44XX_REG_BE_MASK                            (1 << 31)
#define OMAP44XX_REG_DUAL_CLK_MODE_SHIFT                30
#define OMAP44XX_REG_DUAL_CLK_MODE_MASK                 (1 << 30)
#define OMAP44XX_REG_FAST_INIT_SHIFT                    29
#define OMAP44XX_REG_FAST_INIT_MASK                     (1 << 29)
#define OMAP44XX_REG_PHY_DLL_READY_SHIFT                2
#define OMAP44XX_REG_PHY_DLL_READY_MASK                 (1 << 2)

/* SDRAM_CONFIG */
#define OMAP44XX_REG_SDRAM_TYPE_SHIFT                   29
#define OMAP44XX_REG_SDRAM_TYPE_MASK                    (0x7 << 29)
#define OMAP44XX_REG_IBANK_POS_SHIFT                    27
#define OMAP44XX_REG_IBANK_POS_MASK                     (0x3 << 27)
#define OMAP44XX_REG_DDR_TERM_SHIFT                     24
#define OMAP44XX_REG_DDR_TERM_MASK                      (0x7 << 24)
#define OMAP44XX_REG_DDR2_DDQS_SHIFT                    23
#define OMAP44XX_REG_DDR2_DDQS_MASK                     (1 << 23)
#define OMAP44XX_REG_DYN_ODT_SHIFT                      21
#define OMAP44XX_REG_DYN_ODT_MASK                       (0x3 << 21)
#define OMAP44XX_REG_DDR_DISABLE_DLL_SHIFT              20
#define OMAP44XX_REG_DDR_DISABLE_DLL_MASK               (1 << 20)
#define OMAP44XX_REG_SDRAM_DRIVE_SHIFT                  18
#define OMAP44XX_REG_SDRAM_DRIVE_MASK                   (0x3 << 18)
#define OMAP44XX_REG_CWL_SHIFT                          16
#define OMAP44XX_REG_CWL_MASK                           (0x3 << 16)
#define OMAP44XX_REG_NARROW_MODE_SHIFT                  14
#define OMAP44XX_REG_NARROW_MODE_MASK                   (0x3 << 14)
#define OMAP44XX_REG_CL_SHIFT                           10
#define OMAP44XX_REG_CL_MASK                            (0xf << 10)
#define OMAP44XX_REG_ROWSIZE_SHIFT                      7
#define OMAP44XX_REG_ROWSIZE_MASK                       (0x7 << 7)
#define OMAP44XX_REG_IBANK_SHIFT                        4
#define OMAP44XX_REG_IBANK_MASK                         (0x7 << 4)
#define OMAP44XX_REG_EBANK_SHIFT                        3
#define OMAP44XX_REG_EBANK_MASK                         (1 << 3)
#define OMAP44XX_REG_PAGESIZE_SHIFT                     0
#define OMAP44XX_REG_PAGESIZE_MASK                      (0x7 << 0)

/* SDRAM_CONFIG_2 */
#define OMAP44XX_REG_CS1NVMEN_SHIFT                     30
#define OMAP44XX_REG_CS1NVMEN_MASK                      (1 << 30)
#define OMAP44XX_REG_EBANK_POS_SHIFT                    27
#define OMAP44XX_REG_EBANK_POS_MASK                     (1 << 27)
#define OMAP44XX_REG_RDBNUM_SHIFT                       4
#define OMAP44XX_REG_RDBNUM_MASK                        (0x3 << 4)
#define OMAP44XX_REG_RDBSIZE_SHIFT                      0
#define OMAP44XX_REG_RDBSIZE_MASK                       (0x7 << 0)

/* SDRAM_REF_CTRL */
#define OMAP44XX_REG_INITREF_DIS_SHIFT                  31
#define OMAP44XX_REG_INITREF_DIS_MASK                   (1 << 31)
#define OMAP44XX_REG_SRT_SHIFT                          29
#define OMAP44XX_REG_SRT_MASK                           (1 << 29)
#define OMAP44XX_REG_ASR_SHIFT                          28
#define OMAP44XX_REG_ASR_MASK                           (1 << 28)
#define OMAP44XX_REG_PASR_SHIFT                         24
#define OMAP44XX_REG_PASR_MASK                          (0x7 << 24)
#define OMAP44XX_REG_REFRESH_RATE_SHIFT                 0
#define OMAP44XX_REG_REFRESH_RATE_MASK                  (0xffff << 0)

/* SDRAM_REF_CTRL_SHDW */
#define OMAP44XX_REG_REFRESH_RATE_SHDW_SHIFT            0
#define OMAP44XX_REG_REFRESH_RATE_SHDW_MASK             (0xffff << 0)

/* SDRAM_TIM_1 */
#define OMAP44XX_REG_T_RP_SHIFT                         25
#define OMAP44XX_REG_T_RP_MASK                          (0xf << 25)
#define OMAP44XX_REG_T_RCD_SHIFT                        21
#define OMAP44XX_REG_T_RCD_MASK                         (0xf << 21)
#define OMAP44XX_REG_T_WR_SHIFT                         17
#define OMAP44XX_REG_T_WR_MASK                          (0xf << 17)
#define OMAP44XX_REG_T_RAS_SHIFT                        12
#define OMAP44XX_REG_T_RAS_MASK                         (0x1f << 12)
#define OMAP44XX_REG_T_RC_SHIFT                         6
#define OMAP44XX_REG_T_RC_MASK                          (0x3f << 6)
#define OMAP44XX_REG_T_RRD_SHIFT                        3
#define OMAP44XX_REG_T_RRD_MASK                         (0x7 << 3)
#define OMAP44XX_REG_T_WTR_SHIFT                        0
#define OMAP44XX_REG_T_WTR_MASK                         (0x7 << 0)

/* SDRAM_TIM_1_SHDW */
#define OMAP44XX_REG_T_RP_SHDW_SHIFT                    25
#define OMAP44XX_REG_T_RP_SHDW_MASK                     (0xf << 25)
#define OMAP44XX_REG_T_RCD_SHDW_SHIFT                   21
#define OMAP44XX_REG_T_RCD_SHDW_MASK                    (0xf << 21)
#define OMAP44XX_REG_T_WR_SHDW_SHIFT                    17
#define OMAP44XX_REG_T_WR_SHDW_MASK                     (0xf << 17)
#define OMAP44XX_REG_T_RAS_SHDW_SHIFT                   12
#define OMAP44XX_REG_T_RAS_SHDW_MASK                    (0x1f << 12)
#define OMAP44XX_REG_T_RC_SHDW_SHIFT                    6
#define OMAP44XX_REG_T_RC_SHDW_MASK                     (0x3f << 6)
#define OMAP44XX_REG_T_RRD_SHDW_SHIFT                   3
#define OMAP44XX_REG_T_RRD_SHDW_MASK                    (0x7 << 3)
#define OMAP44XX_REG_T_WTR_SHDW_SHIFT                   0
#define OMAP44XX_REG_T_WTR_SHDW_MASK                    (0x7 << 0)

/* SDRAM_TIM_2 */
#define OMAP44XX_REG_T_XP_SHIFT                         28
#define OMAP44XX_REG_T_XP_MASK                          (0x7 << 28)
#define OMAP44XX_REG_T_ODT_SHIFT                        25
#define OMAP44XX_REG_T_ODT_MASK                         (0x7 << 25)
#define OMAP44XX_REG_T_XSNR_SHIFT                       16
#define OMAP44XX_REG_T_XSNR_MASK                        (0x1ff << 16)
#define OMAP44XX_REG_T_XSRD_SHIFT                       6
#define OMAP44XX_REG_T_XSRD_MASK                        (0x3ff << 6)
#define OMAP44XX_REG_T_RTP_SHIFT                        3
#define OMAP44XX_REG_T_RTP_MASK                         (0x7 << 3)
#define OMAP44XX_REG_T_CKE_SHIFT                        0
#define OMAP44XX_REG_T_CKE_MASK                         (0x7 << 0)

/* SDRAM_TIM_2_SHDW */
#define OMAP44XX_REG_T_XP_SHDW_SHIFT                    28
#define OMAP44XX_REG_T_XP_SHDW_MASK                     (0x7 << 28)
#define OMAP44XX_REG_T_ODT_SHDW_SHIFT                   25
#define OMAP44XX_REG_T_ODT_SHDW_MASK                    (0x7 << 25)
#define OMAP44XX_REG_T_XSNR_SHDW_SHIFT                  16
#define OMAP44XX_REG_T_XSNR_SHDW_MASK                   (0x1ff << 16)
#define OMAP44XX_REG_T_XSRD_SHDW_SHIFT                  6
#define OMAP44XX_REG_T_XSRD_SHDW_MASK                   (0x3ff << 6)
#define OMAP44XX_REG_T_RTP_SHDW_SHIFT                   3
#define OMAP44XX_REG_T_RTP_SHDW_MASK                    (0x7 << 3)
#define OMAP44XX_REG_T_CKE_SHDW_SHIFT                   0
#define OMAP44XX_REG_T_CKE_SHDW_MASK                    (0x7 << 0)

/* SDRAM_TIM_3 */
#define OMAP44XX_REG_T_CKESR_SHIFT                      21
#define OMAP44XX_REG_T_CKESR_MASK                       (0x7 << 21)
#define OMAP44XX_REG_ZQ_ZQCS_SHIFT                      15
#define OMAP44XX_REG_ZQ_ZQCS_MASK                       (0x3f << 15)
#define OMAP44XX_REG_T_TDQSCKMAX_SHIFT                  13
#define OMAP44XX_REG_T_TDQSCKMAX_MASK                   (0x3 << 13)
#define OMAP44XX_REG_T_RFC_SHIFT                        4
#define OMAP44XX_REG_T_RFC_MASK                         (0x1ff << 4)
#define OMAP44XX_REG_T_RAS_MAX_SHIFT                    0
#define OMAP44XX_REG_T_RAS_MAX_MASK                     (0xf << 0)

/* SDRAM_TIM_3_SHDW */
#define OMAP44XX_REG_T_CKESR_SHDW_SHIFT                 21
#define OMAP44XX_REG_T_CKESR_SHDW_MASK                  (0x7 << 21)
#define OMAP44XX_REG_ZQ_ZQCS_SHDW_SHIFT                 15
#define OMAP44XX_REG_ZQ_ZQCS_SHDW_MASK                  (0x3f << 15)
#define OMAP44XX_REG_T_TDQSCKMAX_SHDW_SHIFT             13
#define OMAP44XX_REG_T_TDQSCKMAX_SHDW_MASK              (0x3 << 13)
#define OMAP44XX_REG_T_RFC_SHDW_SHIFT                   4
#define OMAP44XX_REG_T_RFC_SHDW_MASK                    (0x1ff << 4)
#define OMAP44XX_REG_T_RAS_MAX_SHDW_SHIFT               0
#define OMAP44XX_REG_T_RAS_MAX_SHDW_MASK                (0xf << 0)

/* LPDDR2_NVM_TIM */
#define OMAP44XX_REG_NVM_T_XP_SHIFT                     28
#define OMAP44XX_REG_NVM_T_XP_MASK                      (0x7 << 28)
#define OMAP44XX_REG_NVM_T_WTR_SHIFT                    24
#define OMAP44XX_REG_NVM_T_WTR_MASK                     (0x7 << 24)
#define OMAP44XX_REG_NVM_T_RP_SHIFT                     20
#define OMAP44XX_REG_NVM_T_RP_MASK                      (0xf << 20)
#define OMAP44XX_REG_NVM_T_WRA_SHIFT                    16
#define OMAP44XX_REG_NVM_T_WRA_MASK                     (0xf << 16)
#define OMAP44XX_REG_NVM_T_RRD_SHIFT                    8
#define OMAP44XX_REG_NVM_T_RRD_MASK                     (0xff << 8)
#define OMAP44XX_REG_NVM_T_RCDMIN_SHIFT                 0
#define OMAP44XX_REG_NVM_T_RCDMIN_MASK                  (0xff << 0)

/* LPDDR2_NVM_TIM_SHDW */
#define OMAP44XX_REG_NVM_T_XP_SHDW_SHIFT                28
#define OMAP44XX_REG_NVM_T_XP_SHDW_MASK                 (0x7 << 28)
#define OMAP44XX_REG_NVM_T_WTR_SHDW_SHIFT               24
#define OMAP44XX_REG_NVM_T_WTR_SHDW_MASK                (0x7 << 24)
#define OMAP44XX_REG_NVM_T_RP_SHDW_SHIFT                20
#define OMAP44XX_REG_NVM_T_RP_SHDW_MASK                 (0xf << 20)
#define OMAP44XX_REG_NVM_T_WRA_SHDW_SHIFT               16
#define OMAP44XX_REG_NVM_T_WRA_SHDW_MASK                (0xf << 16)
#define OMAP44XX_REG_NVM_T_RRD_SHDW_SHIFT               8
#define OMAP44XX_REG_NVM_T_RRD_SHDW_MASK                (0xff << 8)
#define OMAP44XX_REG_NVM_T_RCDMIN_SHDW_SHIFT            0
#define OMAP44XX_REG_NVM_T_RCDMIN_SHDW_MASK             (0xff << 0)

/* PWR_MGMT_CTRL */
#define OMAP44XX_REG_IDLEMODE_SHIFT                     30
#define OMAP44XX_REG_IDLEMODE_MASK                      (0x3 << 30)
#define OMAP44XX_REG_PD_TIM_SHIFT                       12
#define OMAP44XX_REG_PD_TIM_MASK                        (0xf << 12)
#define OMAP44XX_REG_DPD_EN_SHIFT                       11
#define OMAP44XX_REG_DPD_EN_MASK                        (1 << 11)
#define OMAP44XX_REG_LP_MODE_SHIFT                      8
#define OMAP44XX_REG_LP_MODE_MASK                       (0x7 << 8)
#define OMAP44XX_REG_SR_TIM_SHIFT                       4
#define OMAP44XX_REG_SR_TIM_MASK                        (0xf << 4)
#define OMAP44XX_REG_CS_TIM_SHIFT                       0
#define OMAP44XX_REG_CS_TIM_MASK                        (0xf << 0)

/* PWR_MGMT_CTRL_SHDW */
#define OMAP44XX_REG_PD_TIM_SHDW_SHIFT                  8
#define OMAP44XX_REG_PD_TIM_SHDW_MASK                   (0xf << 8)
#define OMAP44XX_REG_SR_TIM_SHDW_SHIFT                  4
#define OMAP44XX_REG_SR_TIM_SHDW_MASK                   (0xf << 4)
#define OMAP44XX_REG_CS_TIM_SHDW_SHIFT                  0
#define OMAP44XX_REG_CS_TIM_SHDW_MASK                   (0xf << 0)

/* LPDDR2_MODE_REG_DATA */
#define OMAP44XX_REG_VALUE_0_SHIFT                      0
#define OMAP44XX_REG_VALUE_0_MASK                       (0x7f << 0)

/* LPDDR2_MODE_REG_CFG */
#define OMAP44XX_REG_CS_SHIFT                           31
#define OMAP44XX_REG_CS_MASK                            (1 << 31)
#define OMAP44XX_REG_REFRESH_EN_SHIFT                   30
#define OMAP44XX_REG_REFRESH_EN_MASK                    (1 << 30)
#define OMAP44XX_REG_ADDRESS_SHIFT                      0
#define OMAP44XX_REG_ADDRESS_MASK                       (0xff << 0)

/* OCP_CONFIG */
#define OMAP44XX_REG_SYS_THRESH_MAX_SHIFT               24
#define OMAP44XX_REG_SYS_THRESH_MAX_MASK                (0xf << 24)
#define OMAP44XX_REG_LL_THRESH_MAX_SHIFT                16
#define OMAP44XX_REG_LL_THRESH_MAX_MASK                 (0xf << 16)
#define OMAP44XX_REG_PR_OLD_COUNT_SHIFT                 0
#define OMAP44XX_REG_PR_OLD_COUNT_MASK                  (0xff << 0)

/* OCP_CFG_VAL_1 */
#define OMAP44XX_REG_SYS_BUS_WIDTH_SHIFT                30
#define OMAP44XX_REG_SYS_BUS_WIDTH_MASK                 (0x3 << 30)
#define OMAP44XX_REG_LL_BUS_WIDTH_SHIFT                 28
#define OMAP44XX_REG_LL_BUS_WIDTH_MASK                  (0x3 << 28)
#define OMAP44XX_REG_WR_FIFO_DEPTH_SHIFT                8
#define OMAP44XX_REG_WR_FIFO_DEPTH_MASK                 (0xff << 8)
#define OMAP44XX_REG_CMD_FIFO_DEPTH_SHIFT               0
#define OMAP44XX_REG_CMD_FIFO_DEPTH_MASK                (0xff << 0)

/* OCP_CFG_VAL_2 */
#define OMAP44XX_REG_RREG_FIFO_DEPTH_SHIFT              16
#define OMAP44XX_REG_RREG_FIFO_DEPTH_MASK               (0xff << 16)
#define OMAP44XX_REG_RSD_FIFO_DEPTH_SHIFT               8
#define OMAP44XX_REG_RSD_FIFO_DEPTH_MASK                (0xff << 8)
#define OMAP44XX_REG_RCMD_FIFO_DEPTH_SHIFT              0
#define OMAP44XX_REG_RCMD_FIFO_DEPTH_MASK               (0xff << 0)

/* IODFT_TLGC */
#define OMAP44XX_REG_TLEC_SHIFT                         16
#define OMAP44XX_REG_TLEC_MASK                          (0xffff << 16)
#define OMAP44XX_REG_MT_SHIFT                           14
#define OMAP44XX_REG_MT_MASK                            (1 << 14)
#define OMAP44XX_REG_ACT_CAP_EN_SHIFT                   13
#define OMAP44XX_REG_ACT_CAP_EN_MASK                    (1 << 13)
#define OMAP44XX_REG_OPG_LD_SHIFT                       12
#define OMAP44XX_REG_OPG_LD_MASK                        (1 << 12)
#define OMAP44XX_REG_RESET_PHY_SHIFT                    10
#define OMAP44XX_REG_RESET_PHY_MASK                     (1 << 10)
#define OMAP44XX_REG_MMS_SHIFT                          8
#define OMAP44XX_REG_MMS_MASK                           (1 << 8)
#define OMAP44XX_REG_MC_SHIFT                           4
#define OMAP44XX_REG_MC_MASK                            (0x3 << 4)
#define OMAP44XX_REG_PC_SHIFT                           1
#define OMAP44XX_REG_PC_MASK                            (0x7 << 1)
#define OMAP44XX_REG_TM_SHIFT                           0
#define OMAP44XX_REG_TM_MASK                            (1 << 0)

/* IODFT_CTRL_MISR_RSLT */
#define OMAP44XX_REG_DQM_TLMR_SHIFT                     16
#define OMAP44XX_REG_DQM_TLMR_MASK                      (0x3ff << 16)
#define OMAP44XX_REG_CTL_TLMR_SHIFT                     0
#define OMAP44XX_REG_CTL_TLMR_MASK                      (0x7ff << 0)

/* IODFT_ADDR_MISR_RSLT */
#define OMAP44XX_REG_ADDR_TLMR_SHIFT                    0
#define OMAP44XX_REG_ADDR_TLMR_MASK                     (0x1fffff << 0)

/* IODFT_DATA_MISR_RSLT_1 */
#define OMAP44XX_REG_DATA_TLMR_31_0_SHIFT               0
#define OMAP44XX_REG_DATA_TLMR_31_0_MASK                (0xffffffff << 0)

/* IODFT_DATA_MISR_RSLT_2 */
#define OMAP44XX_REG_DATA_TLMR_63_32_SHIFT              0
#define OMAP44XX_REG_DATA_TLMR_63_32_MASK               (0xffffffff << 0)

/* IODFT_DATA_MISR_RSLT_3 */
#define OMAP44XX_REG_DATA_TLMR_66_64_SHIFT              0
#define OMAP44XX_REG_DATA_TLMR_66_64_MASK               (0x7 << 0)

/* PERF_CNT_1 */
#define OMAP44XX_REG_COUNTER1_SHIFT                     0
#define OMAP44XX_REG_COUNTER1_MASK                      (0xffffffff << 0)

/* PERF_CNT_2 */
#define OMAP44XX_REG_COUNTER2_SHIFT                     0
#define OMAP44XX_REG_COUNTER2_MASK                      (0xffffffff << 0)

/* PERF_CNT_CFG */
#define OMAP44XX_REG_CNTR2_MCONNID_EN_SHIFT             31
#define OMAP44XX_REG_CNTR2_MCONNID_EN_MASK              (1 << 31)
#define OMAP44XX_REG_CNTR2_REGION_EN_SHIFT              30
#define OMAP44XX_REG_CNTR2_REGION_EN_MASK               (1 << 30)
#define OMAP44XX_REG_CNTR2_CFG_SHIFT                    16
#define OMAP44XX_REG_CNTR2_CFG_MASK                     (0xf << 16)
#define OMAP44XX_REG_CNTR1_MCONNID_EN_SHIFT             15
#define OMAP44XX_REG_CNTR1_MCONNID_EN_MASK              (1 << 15)
#define OMAP44XX_REG_CNTR1_REGION_EN_SHIFT              14
#define OMAP44XX_REG_CNTR1_REGION_EN_MASK               (1 << 14)
#define OMAP44XX_REG_CNTR1_CFG_SHIFT                    0
#define OMAP44XX_REG_CNTR1_CFG_MASK                     (0xf << 0)

/* PERF_CNT_SEL */
#define OMAP44XX_REG_MCONNID2_SHIFT                     24
#define OMAP44XX_REG_MCONNID2_MASK                      (0xff << 24)
#define OMAP44XX_REG_REGION_SEL2_SHIFT                  16
#define OMAP44XX_REG_REGION_SEL2_MASK                   (0x3 << 16)
#define OMAP44XX_REG_MCONNID1_SHIFT                     8
#define OMAP44XX_REG_MCONNID1_MASK                      (0xff << 8)
#define OMAP44XX_REG_REGION_SEL1_SHIFT                  0
#define OMAP44XX_REG_REGION_SEL1_MASK                   (0x3 << 0)

/* PERF_CNT_TIM */
#define OMAP44XX_REG_TOTAL_TIME_SHIFT                   0
#define OMAP44XX_REG_TOTAL_TIME_MASK                    (0xffffffff << 0)

/* READ_IDLE_CTRL */
#define OMAP44XX_REG_READ_IDLE_LEN_SHIFT                16
#define OMAP44XX_REG_READ_IDLE_LEN_MASK                 (0xf << 16)
#define OMAP44XX_REG_READ_IDLE_INTERVAL_SHIFT           0
#define OMAP44XX_REG_READ_IDLE_INTERVAL_MASK            (0x1ff << 0)

/* READ_IDLE_CTRL_SHDW */
#define OMAP44XX_REG_READ_IDLE_LEN_SHDW_SHIFT           16
#define OMAP44XX_REG_READ_IDLE_LEN_SHDW_MASK            (0xf << 16)
#define OMAP44XX_REG_READ_IDLE_INTERVAL_SHDW_SHIFT      0
#define OMAP44XX_REG_READ_IDLE_INTERVAL_SHDW_MASK       (0x1ff << 0)

/* IRQ_EOI */
#define OMAP44XX_REG_EOI_SHIFT                          0
#define OMAP44XX_REG_EOI_MASK                           (1 << 0)

/* IRQSTATUS_RAW_SYS */
#define OMAP44XX_REG_DNV_SYS_SHIFT                      2
#define OMAP44XX_REG_DNV_SYS_MASK                       (1 << 2)
#define OMAP44XX_REG_TA_SYS_SHIFT                       1
#define OMAP44XX_REG_TA_SYS_MASK                        (1 << 1)
#define OMAP44XX_REG_ERR_SYS_SHIFT                      0
#define OMAP44XX_REG_ERR_SYS_MASK                       (1 << 0)

/* IRQSTATUS_RAW_LL */
#define OMAP44XX_REG_DNV_LL_SHIFT                       2
#define OMAP44XX_REG_DNV_LL_MASK                        (1 << 2)
#define OMAP44XX_REG_TA_LL_SHIFT                        1
#define OMAP44XX_REG_TA_LL_MASK                         (1 << 1)
#define OMAP44XX_REG_ERR_LL_SHIFT                       0
#define OMAP44XX_REG_ERR_LL_MASK                        (1 << 0)

/* IRQSTATUS_SYS */

/* IRQSTATUS_LL */

/* IRQENABLE_SET_SYS */
#define OMAP44XX_REG_EN_DNV_SYS_SHIFT                   2
#define OMAP44XX_REG_EN_DNV_SYS_MASK                    (1 << 2)
#define OMAP44XX_REG_EN_TA_SYS_SHIFT                    1
#define OMAP44XX_REG_EN_TA_SYS_MASK                     (1 << 1)
#define OMAP44XX_REG_EN_ERR_SYS_SHIFT                   0
#define OMAP44XX_REG_EN_ERR_SYS_MASK                    (1 << 0)

/* IRQENABLE_SET_LL */
#define OMAP44XX_REG_EN_DNV_LL_SHIFT                    2
#define OMAP44XX_REG_EN_DNV_LL_MASK                     (1 << 2)
#define OMAP44XX_REG_EN_TA_LL_SHIFT                     1
#define OMAP44XX_REG_EN_TA_LL_MASK                      (1 << 1)
#define OMAP44XX_REG_EN_ERR_LL_SHIFT                    0
#define OMAP44XX_REG_EN_ERR_LL_MASK                     (1 << 0)

/* IRQENABLE_CLR_SYS */

/* IRQENABLE_CLR_LL */

/* ZQ_CONFIG */
#define OMAP44XX_REG_ZQ_CS1EN_SHIFT                     31
#define OMAP44XX_REG_ZQ_CS1EN_MASK                      (1 << 31)
#define OMAP44XX_REG_ZQ_CS0EN_SHIFT                     30
#define OMAP44XX_REG_ZQ_CS0EN_MASK                      (1 << 30)
#define OMAP44XX_REG_ZQ_DUALCALEN_SHIFT                 29
#define OMAP44XX_REG_ZQ_DUALCALEN_MASK                  (1 << 29)
#define OMAP44XX_REG_ZQ_SFEXITEN_SHIFT                  28
#define OMAP44XX_REG_ZQ_SFEXITEN_MASK                   (1 << 28)
#define OMAP44XX_REG_ZQ_ZQINIT_MULT_SHIFT               18
#define OMAP44XX_REG_ZQ_ZQINIT_MULT_MASK                (0x3 << 18)
#define OMAP44XX_REG_ZQ_ZQCL_MULT_SHIFT                 16
#define OMAP44XX_REG_ZQ_ZQCL_MULT_MASK                  (0x3 << 16)
#define OMAP44XX_REG_ZQ_REFINTERVAL_SHIFT               0
#define OMAP44XX_REG_ZQ_REFINTERVAL_MASK                (0xffff << 0)

/* TEMP_ALERT_CONFIG */
#define OMAP44XX_REG_TA_CS1EN_SHIFT                     31
#define OMAP44XX_REG_TA_CS1EN_MASK                      (1 << 31)
#define OMAP44XX_REG_TA_CS0EN_SHIFT                     30
#define OMAP44XX_REG_TA_CS0EN_MASK                      (1 << 30)
#define OMAP44XX_REG_TA_SFEXITEN_SHIFT                  28
#define OMAP44XX_REG_TA_SFEXITEN_MASK                   (1 << 28)
#define OMAP44XX_REG_TA_DEVWDT_SHIFT                    26
#define OMAP44XX_REG_TA_DEVWDT_MASK                     (0x3 << 26)
#define OMAP44XX_REG_TA_DEVCNT_SHIFT                    24
#define OMAP44XX_REG_TA_DEVCNT_MASK                     (0x3 << 24)
#define OMAP44XX_REG_TA_REFINTERVAL_SHIFT               0
#define OMAP44XX_REG_TA_REFINTERVAL_MASK                (0x3fffff << 0)

/* OCP_ERR_LOG */
#define OMAP44XX_REG_MADDRSPACE_SHIFT                   14
#define OMAP44XX_REG_MADDRSPACE_MASK                    (0x3 << 14)
#define OMAP44XX_REG_MBURSTSEQ_SHIFT                    11
#define OMAP44XX_REG_MBURSTSEQ_MASK                     (0x7 << 11)
#define OMAP44XX_REG_MCMD_SHIFT                         8
#define OMAP44XX_REG_MCMD_MASK                          (0x7 << 8)
#define OMAP44XX_REG_MCONNID_SHIFT                      0
#define OMAP44XX_REG_MCONNID_MASK                       (0xff << 0)

/* DDR_PHY_CTRL_1 */
#define OMAP44XX_REG_DDR_PHY_CTRL_1_SHIFT               4
#define OMAP44XX_REG_DDR_PHY_CTRL_1_MASK                (0xfffffff << 4)
#define OMAP44XX_REG_READ_LATENCY_SHIFT                 0
#define OMAP44XX_REG_READ_LATENCY_MASK                  (0xf << 0)
#define OMAP44XX_REG_DLL_SLAVE_DLY_CTRL_SHIFT           4
#define OMAP44XX_REG_DLL_SLAVE_DLY_CTRL_MASK            (0xFF << 4)
#define OMAP44XX_EMIF_DDR_PHY_CTRL_1_BASE_VAL_SHIFT     12
#define OMAP44XX_EMIF_DDR_PHY_CTRL_1_BASE_VAL_MASK      (0xFFFFF << 12)

/* DDR_PHY_CTRL_1_SHDW */
#define OMAP44XX_REG_DDR_PHY_CTRL_1_SHDW_SHIFT          4
#define OMAP44XX_REG_DDR_PHY_CTRL_1_SHDW_MASK           (0xfffffff << 4)
#define OMAP44XX_REG_READ_LATENCY_SHDW_SHIFT            0
#define OMAP44XX_REG_READ_LATENCY_SHDW_MASK             (0xf << 0)
#define OMAP44XX_REG_DLL_SLAVE_DLY_CTRL_SHDW_SHIFT      4
#define OMAP44XX_REG_DLL_SLAVE_DLY_CTRL_SHDW_MASK       (0xFF << 4)
#define OMAP44XX_EMIF_DDR_PHY_CTRL_1_BASE_VAL_SHDW_SHIFT 12
#define OMAP44XX_EMIF_DDR_PHY_CTRL_1_BASE_VAL_SHDW_MASK (0xFFFFF << 12)

/* DDR_PHY_CTRL_2 */
#define OMAP44XX_REG_DDR_PHY_CTRL_2_SHIFT               0
#define OMAP44XX_REG_DDR_PHY_CTRL_2_MASK                (0xffffffff << 0)

/* DMM */
#define OMAP44XX_DMM_LISA_MAP_BASE      0x4E000040

/* DMM_LISA_MAP */
#define OMAP44XX_SYS_ADDR_SHIFT         24
#define OMAP44XX_SYS_ADDR_MASK          (0xff << 24)
#define OMAP44XX_SYS_SIZE_SHIFT         20
#define OMAP44XX_SYS_SIZE_MASK          (0x7 << 20)
#define OMAP44XX_SDRC_INTL_SHIFT        18
#define OMAP44XX_SDRC_INTL_MASK         (0x3 << 18)
#define OMAP44XX_SDRC_ADDRSPC_SHIFT     16
#define OMAP44XX_SDRC_ADDRSPC_MASK      (0x3 << 16)
#define OMAP44XX_SDRC_MAP_SHIFT         8
#define OMAP44XX_SDRC_MAP_MASK          (0x3 << 8)
#define OMAP44XX_SDRC_ADDR_SHIFT        0
#define OMAP44XX_SDRC_ADDR_MASK         (0xff << 0)

/* DMM_LISA_MAP fields */
#define DMM_SDRC_MAP_UNMAPPED           0
#define DMM_SDRC_MAP_EMIF1_ONLY         1
#define DMM_SDRC_MAP_EMIF2_ONLY         2
#define DMM_SDRC_MAP_EMIF1_AND_EMIF2    3

#define DMM_SDRC_INTL_NONE              0
#define DMM_SDRC_INTL_128B              1
#define DMM_SDRC_INTL_256B              2
#define DMM_SDRC_INTL_512               3

#define DMM_SDRC_ADDR_SPC_SDRAM         0
#define DMM_SDRC_ADDR_SPC_NVM           1
#define DMM_SDRC_ADDR_SPC_INVALID       2

#define DMM_LISA_MAP_INTERLEAVED_BASE_VAL               (\
        (DMM_SDRC_MAP_EMIF1_AND_EMIF2 << OMAP44XX_SDRC_MAP_SHIFT) |\
        (DMM_SDRC_ADDR_SPC_SDRAM << OMAP44XX_SDRC_ADDRSPC_SHIFT) |\
        (DMM_SDRC_INTL_128B << OMAP44XX_SDRC_INTL_SHIFT) |\
        (CONFIG_SYS_SDRAM_BASE << OMAP44XX_SYS_ADDR_SHIFT))

#define DMM_LISA_MAP_EMIF1_ONLY_BASE_VAL        (\
        (DMM_SDRC_MAP_EMIF1_ONLY << OMAP44XX_SDRC_MAP_SHIFT)|\
        (DMM_SDRC_ADDR_SPC_SDRAM << OMAP44XX_SDRC_ADDRSPC_SHIFT)|\
        (DMM_SDRC_INTL_NONE << OMAP44XX_SDRC_INTL_SHIFT))

#define DMM_LISA_MAP_EMIF2_ONLY_BASE_VAL        (\
        (DMM_SDRC_MAP_EMIF2_ONLY << OMAP44XX_SDRC_MAP_SHIFT)|\
        (DMM_SDRC_ADDR_SPC_SDRAM << OMAP44XX_SDRC_ADDRSPC_SHIFT)|\
        (DMM_SDRC_INTL_NONE << OMAP44XX_SDRC_INTL_SHIFT))

/* Trap for invalid TILER PAT entries */
#define DMM_LISA_MAP_0_INVAL_ADDR_TRAP          (\
        (0  << OMAP44XX_SDRC_ADDR_SHIFT) |\
        (DMM_SDRC_MAP_EMIF1_ONLY << OMAP44XX_SDRC_MAP_SHIFT)|\
        (DMM_SDRC_ADDR_SPC_INVALID << OMAP44XX_SDRC_ADDRSPC_SHIFT)|\
        (DMM_SDRC_INTL_NONE << OMAP44XX_SDRC_INTL_SHIFT)|\
        (0xFF << OMAP44XX_SYS_ADDR_SHIFT))


/* Reg mapping structure */
struct emif_reg_struct {
        u32 emif_mod_id_rev;
        u32 emif_status;
        u32 emif_sdram_config;
        u32 emif_lpddr2_nvm_config;
        u32 emif_sdram_ref_ctrl;
        u32 emif_sdram_ref_ctrl_shdw;
        u32 emif_sdram_tim_1;
        u32 emif_sdram_tim_1_shdw;
        u32 emif_sdram_tim_2;
        u32 emif_sdram_tim_2_shdw;
        u32 emif_sdram_tim_3;
        u32 emif_sdram_tim_3_shdw;
        u32 emif_lpddr2_nvm_tim;
        u32 emif_lpddr2_nvm_tim_shdw;
        u32 emif_pwr_mgmt_ctrl;
        u32 emif_pwr_mgmt_ctrl_shdw;
        u32 emif_lpddr2_mode_reg_data;
        u32 padding1[1];
        u32 emif_lpddr2_mode_reg_data_es2;
        u32 padding11[1];
        u32 emif_lpddr2_mode_reg_cfg;
        u32 emif_l3_config;
        u32 emif_l3_cfg_val_1;
        u32 emif_l3_cfg_val_2;
        u32 emif_iodft_tlgc;
        u32 padding2[7];
        u32 emif_perf_cnt_1;
        u32 emif_perf_cnt_2;
        u32 emif_perf_cnt_cfg;
        u32 emif_perf_cnt_sel;
        u32 emif_perf_cnt_tim;
        u32 padding3;
        u32 emif_read_idlectrl;
        u32 emif_read_idlectrl_shdw;
        u32 padding4;
        u32 emif_irqstatus_raw_sys;
        u32 emif_irqstatus_raw_ll;
        u32 emif_irqstatus_sys;
        u32 emif_irqstatus_ll;
        u32 emif_irqenable_set_sys;
        u32 emif_irqenable_set_ll;
        u32 emif_irqenable_clr_sys;
        u32 emif_irqenable_clr_ll;
        u32 padding5;
        u32 emif_zq_config;
        u32 emif_temp_alert_config;
        u32 emif_l3_err_log;
        u32 padding6[4];
        u32 emif_ddr_phy_ctrl_1;
        u32 emif_ddr_phy_ctrl_1_shdw;
        u32 emif_ddr_phy_ctrl_2;
};

struct dmm_lisa_map_regs {
        u32 dmm_lisa_map_0;
        u32 dmm_lisa_map_1;
        u32 dmm_lisa_map_2;
        u32 dmm_lisa_map_3;
};

struct control_lpddr2io_regs {
        u32 control_lpddr2io1_0;
        u32 control_lpddr2io1_1;
        u32 control_lpddr2io1_2;
        u32 control_lpddr2io1_3;
        u32 control_lpddr2io2_0;
        u32 control_lpddr2io2_1;
        u32 control_lpddr2io2_2;
        u32 control_lpddr2io2_3;
};

#define CS0     0
#define CS1     1
/* The maximum frequency at which the LPDDR2 interface can operate in Hz*/
#define MAX_LPDDR2_FREQ 400000000       /* 400 MHz */

/*
 * The period of DDR clk is represented as numerator and denominator for
 * better accuracy in integer based calculations. However, if the numerator
 * and denominator are very huge there may be chances of overflow in
 * calculations. So, as a trade-off keep denominator(and consequently
 * numerator) within a limit sacrificing some accuracy - but not much
 * If denominator and numerator are already small (such as at 400 MHz)
 * no adjustment is needed
 */
#define EMIF_PERIOD_DEN_LIMIT   1000
/*
 * Maximum number of different frequencies supported by EMIF driver
 * Determines the number of entries in the pointer array for register
 * cache
 */
#define EMIF_MAX_NUM_FREQUENCIES        6
/*
 * Indices into the Addressing Table array.
 * One entry each for all the different types of devices with different
 * addressing schemes
 */
#define ADDR_TABLE_INDEX64M     0
#define ADDR_TABLE_INDEX128M    1
#define ADDR_TABLE_INDEX256M    2
#define ADDR_TABLE_INDEX512M    3
#define ADDR_TABLE_INDEX1GS4    4
#define ADDR_TABLE_INDEX2GS4    5
#define ADDR_TABLE_INDEX4G      6
#define ADDR_TABLE_INDEX8G      7
#define ADDR_TABLE_INDEX1GS2    8
#define ADDR_TABLE_INDEX2GS2    9
#define ADDR_TABLE_INDEXMAX     10

/* Number of Row bits */
#define ROW_9  0
#define ROW_10 1
#define ROW_11 2
#define ROW_12 3
#define ROW_13 4
#define ROW_14 5
#define ROW_15 6
#define ROW_16 7

/* Number of Column bits */
#define COL_8   0
#define COL_9   1
#define COL_10  2
#define COL_11  3
#define COL_7   4 /*Not supported by OMAP included for completeness */

/* Number of Banks*/
#define BANKS1 0
#define BANKS2 1
#define BANKS4 2
#define BANKS8 3

/* Refresh rate in micro seconds x 10 */
#define T_REFI_15_6     156
#define T_REFI_7_8      78
#define T_REFI_3_9      39

#define EBANK_CS1_DIS   0
#define EBANK_CS1_EN    1

/* Read Latency used by the device at reset */
#define RL_BOOT         3
/* Read Latency for the highest frequency you want to use */
#define RL_FINAL        6

/* Interleaving policies at EMIF level- between banks and Chip Selects */
#define EMIF_INTERLEAVING_POLICY_MAX_INTERLEAVING       0
#define EMIF_INTERLEAVING_POLICY_NO_BANK_INTERLEAVING   3

/*
 * Interleaving policy to be used
 * Currently set to MAX interleaving for better performance
 */
#define EMIF_INTERLEAVING_POLICY EMIF_INTERLEAVING_POLICY_MAX_INTERLEAVING

/* State of the core voltage:
 * This is important for some parameters such as read idle control and
 * ZQ calibration timings. Timings are much stricter when voltage ramp
 * is happening compared to when the voltage is stable.
 * We need to calculate two sets of values for these parameters and use
 * them accordingly
 */
#define LPDDR2_VOLTAGE_STABLE   0
#define LPDDR2_VOLTAGE_RAMPING  1

/* Length of the forced read idle period in terms of cycles */
#define EMIF_REG_READ_IDLE_LEN_VAL      5

/* Interval between forced 'read idles' */
/* To be used when voltage is changed for DPS/DVFS - 1us */
#define READ_IDLE_INTERVAL_DVFS         (1*1000)
/*
 * To be used when voltage is not scaled except by Smart Reflex
 * 50us - or maximum value will do
 */
#define READ_IDLE_INTERVAL_NORMAL       (50*1000)


/*
 * Unless voltage is changing due to DVFS one ZQCS command every 50ms should
 * be enough. This shoule be enough also in the case when voltage is changing
 * due to smart-reflex.
 */
#define EMIF_ZQCS_INTERVAL_NORMAL_IN_US (50*1000)
/*
 * If voltage is changing due to DVFS ZQCS should be performed more
 * often(every 50us)
 */
#define EMIF_ZQCS_INTERVAL_DVFS_IN_US   50

/* The interval between ZQCL commands as a multiple of ZQCS interval */
#define REG_ZQ_ZQCL_MULT                4
/* The interval between ZQINIT commands as a multiple of ZQCL interval */
#define REG_ZQ_ZQINIT_MULT              3
/* Enable ZQ Calibration on exiting Self-refresh */
#define REG_ZQ_SFEXITEN_ENABLE          1
/*
 * ZQ Calibration simultaneously on both chip-selects:
 * Needs one calibration resistor per CS
 * None of the boards that we know of have this capability
 * So disabled by default
 */
#define REG_ZQ_DUALCALEN_DISABLE        0
/*
 * Enable ZQ Calibration by default on CS0. If we are asked to program
 * the EMIF there will be something connected to CS0 for sure
 */
#define REG_ZQ_CS0EN_ENABLE             1

/* EMIF_PWR_MGMT_CTRL register */
/* Low power modes */
#define LP_MODE_DISABLE         0
#define LP_MODE_CLOCK_STOP      1
#define LP_MODE_SELF_REFRESH    2
#define LP_MODE_PWR_DN          3

/* REG_DPD_EN */
#define DPD_DISABLE     0
#define DPD_ENABLE      1

/* Maximum delay before Low Power Modes */
#define REG_CS_TIM              0xF
#define REG_SR_TIM              0xF
#define REG_PD_TIM              0xF

/* EMIF_PWR_MGMT_CTRL register */
#define EMIF_PWR_MGMT_CTRL (\
        ((REG_CS_TIM << OMAP44XX_REG_CS_TIM_SHIFT) & OMAP44XX_REG_CS_TIM_MASK)|\
        ((REG_SR_TIM << OMAP44XX_REG_SR_TIM_SHIFT) & OMAP44XX_REG_SR_TIM_MASK)|\
        ((REG_PD_TIM << OMAP44XX_REG_PD_TIM_SHIFT) & OMAP44XX_REG_PD_TIM_MASK)|\
        ((REG_PD_TIM << OMAP44XX_REG_PD_TIM_SHIFT) & OMAP44XX_REG_PD_TIM_MASK)|\
        ((LP_MODE_DISABLE << OMAP44XX_REG_LP_MODE_SHIFT)\
                        & OMAP44XX_REG_LP_MODE_MASK) |\
        ((DPD_DISABLE << OMAP44XX_REG_DPD_EN_SHIFT)\
                        & OMAP44XX_REG_DPD_EN_MASK))\

#define EMIF_PWR_MGMT_CTRL_SHDW (\
        ((REG_CS_TIM << OMAP44XX_REG_CS_TIM_SHDW_SHIFT)\
                        & OMAP44XX_REG_CS_TIM_SHDW_MASK) |\
        ((REG_SR_TIM << OMAP44XX_REG_SR_TIM_SHDW_SHIFT)\
                        & OMAP44XX_REG_SR_TIM_SHDW_MASK) |\
        ((REG_PD_TIM << OMAP44XX_REG_PD_TIM_SHDW_SHIFT)\
                        & OMAP44XX_REG_PD_TIM_SHDW_MASK) |\
        ((REG_PD_TIM << OMAP44XX_REG_PD_TIM_SHDW_SHIFT)\
                        & OMAP44XX_REG_PD_TIM_SHDW_MASK))

/* EMIF_L3_CONFIG register value for ES1*/
#define EMIF_L3_CONFIG_VAL_SYS_THRESH_0A_LL_THRESH_00   0x0A0000FF
/*
 * Value of bits 12:31 of DDR_PHY_CTRL_1 register:
 * All these fields have magic values dependent on frequency and
 * determined by PHY and DLL integration with EMIF. Setting the magic
 * values suggested by hw team.
 */
#define EMIF_DDR_PHY_CTRL_1_BASE_VAL                    0x049FF
#define EMIF_DLL_SLAVE_DLY_CTRL_400_MHZ                 0x41
#define EMIF_DLL_SLAVE_DLY_CTRL_200_MHZ                 0x80
#define EMIF_DLL_SLAVE_DLY_CTRL_100_MHZ_AND_LESS        0xFF

/*
* MR1 value:
* Burst length  : 8
* Burst type    : sequential
* Wrap          : enabled
* nWR           : 3(default). EMIF does not do pre-charge.
*               : So nWR is don't care
*/
#define MR1_BL_8_BT_SEQ_WRAP_EN_NWR_3   0x23

/* MR2 */
#define MR2_RL3_WL1                     1
#define MR2_RL4_WL2                     2
#define MR2_RL5_WL2                     3
#define MR2_RL6_WL3                     4

/* MR10: ZQ calibration codes */
#define MR10_ZQ_ZQCS            0x56
#define MR10_ZQ_ZQCL            0xAB
#define MR10_ZQ_ZQINIT          0xFF
#define MR10_ZQ_ZQRESET         0xC3

/* TEMP_ALERT_CONFIG */
#define TEMP_ALERT_POLL_INTERVAL_MS     360 /* for temp gradient - 5 C/s */
#define TEMP_ALERT_CONFIG_DEVCT_1       0
#define TEMP_ALERT_CONFIG_DEVWDT_32     2

/* MR16 value: refresh full array(no partial array self refresh) */
#define MR16_REF_FULL_ARRAY     0

/* LPDDR2 IO regs */
#define CONTROL_LPDDR2IO_SLEW_125PS_DRV8_PULL_DOWN      0x1C1C1C1C
#define CONTROL_LPDDR2IO_SLEW_325PS_DRV8_GATE_KEEPER    0x9E9E9E9E

/* CONTROL_EFUSE_2 */
#define CONTROL_EFUSE_2_NMOS_PMOS_PTV_CODE_1            0x00ffc000

/*
 * Maximum number of entries we keep in our array of timing tables
 * We need not keep all the speed bins supported by the device
 * We need to keep timing tables for only the speed bins that we
 * are interested in
 */
#define MAX_NUM_SPEEDBINS       4

/* LPDDR2 Densities */
#define LPDDR2_DENSITY_64Mb     0
#define LPDDR2_DENSITY_128Mb    1
#define LPDDR2_DENSITY_256Mb    2
#define LPDDR2_DENSITY_512Mb    3
#define LPDDR2_DENSITY_1Gb      4
#define LPDDR2_DENSITY_2Gb      5
#define LPDDR2_DENSITY_4Gb      6
#define LPDDR2_DENSITY_8Gb      7
#define LPDDR2_DENSITY_16Gb     8
#define LPDDR2_DENSITY_32Gb     9

/* LPDDR2 type */
#define LPDDR2_TYPE_S4  0
#define LPDDR2_TYPE_S2  1
#define LPDDR2_TYPE_NVM 2

/* LPDDR2 IO width */
#define LPDDR2_IO_WIDTH_32      0
#define LPDDR2_IO_WIDTH_16      1
#define LPDDR2_IO_WIDTH_8       2

/* Mode register numbers */
#define LPDDR2_MR0      0
#define LPDDR2_MR1      1
#define LPDDR2_MR2      2
#define LPDDR2_MR3      3
#define LPDDR2_MR4      4
#define LPDDR2_MR5      5
#define LPDDR2_MR6      6
#define LPDDR2_MR7      7
#define LPDDR2_MR8      8
#define LPDDR2_MR9      9
#define LPDDR2_MR10     10
#define LPDDR2_MR11     11
#define LPDDR2_MR16     16
#define LPDDR2_MR17     17
#define LPDDR2_MR18     18

/* MR0 */
#define LPDDR2_MR0_DAI_SHIFT    0
#define LPDDR2_MR0_DAI_MASK     1
#define LPDDR2_MR0_DI_SHIFT     1
#define LPDDR2_MR0_DI_MASK      (1 << 1)
#define LPDDR2_MR0_DNVI_SHIFT   2
#define LPDDR2_MR0_DNVI_MASK    (1 << 2)

/* MR4 */
#define MR4_SDRAM_REF_RATE_SHIFT        0
#define MR4_SDRAM_REF_RATE_MASK         7
#define MR4_TUF_SHIFT                   7
#define MR4_TUF_MASK                    (1 << 7)

/* MR4 SDRAM Refresh Rate field values */
#define SDRAM_TEMP_LESS_LOW_SHUTDOWN                    0x0
#define SDRAM_TEMP_LESS_4X_REFRESH_AND_TIMINGS          0x1
#define SDRAM_TEMP_LESS_2X_REFRESH_AND_TIMINGS          0x2
#define SDRAM_TEMP_NOMINAL                              0x3
#define SDRAM_TEMP_RESERVED_4                           0x4
#define SDRAM_TEMP_HIGH_DERATE_REFRESH                  0x5
#define SDRAM_TEMP_HIGH_DERATE_REFRESH_AND_TIMINGS      0x6
#define SDRAM_TEMP_VERY_HIGH_SHUTDOWN                   0x7

#define LPDDR2_MANUFACTURER_SAMSUNG     1
#define LPDDR2_MANUFACTURER_QIMONDA     2
#define LPDDR2_MANUFACTURER_ELPIDA      3
#define LPDDR2_MANUFACTURER_ETRON       4
#define LPDDR2_MANUFACTURER_NANYA       5
#define LPDDR2_MANUFACTURER_HYNIX       6
#define LPDDR2_MANUFACTURER_MOSEL       7
#define LPDDR2_MANUFACTURER_WINBOND     8
#define LPDDR2_MANUFACTURER_ESMT        9
#define LPDDR2_MANUFACTURER_SPANSION 11
#define LPDDR2_MANUFACTURER_SST         12
#define LPDDR2_MANUFACTURER_ZMOS        13
#define LPDDR2_MANUFACTURER_INTEL       14
#define LPDDR2_MANUFACTURER_NUMONYX     254
#define LPDDR2_MANUFACTURER_MICRON      255

/* MR8 register fields */
#define MR8_TYPE_SHIFT          0x0
#define MR8_TYPE_MASK           0x3
#define MR8_DENSITY_SHIFT       0x2
#define MR8_DENSITY_MASK        (0xF << 0x2)
#define MR8_IO_WIDTH_SHIFT      0x6
#define MR8_IO_WIDTH_MASK       (0x3 << 0x6)

struct lpddr2_addressing {
        u8      num_banks;
        u8      t_REFI_us_x10;
        u8      row_sz[2]; /* One entry each for x32 and x16 */
        u8      col_sz[2]; /* One entry each for x32 and x16 */
};

/* Structure for timings from the DDR datasheet */
struct lpddr2_ac_timings {
        u32 max_freq;
        u8 RL;
        u8 tRPab;
        u8 tRCD;
        u8 tWR;
        u8 tRASmin;
        u8 tRRD;
        u8 tWTRx2;
        u8 tXSR;
        u8 tXPx2;
        u8 tRFCab;
        u8 tRTPx2;
        u8 tCKE;
        u8 tCKESR;
        u8 tZQCS;
        u32 tZQCL;
        u32 tZQINIT;
        u8 tDQSCKMAXx2;
        u8 tRASmax;
        u8 tFAW;

};

/*
 * Min tCK values for some of the parameters:
 * If the calculated clock cycles for the respective parameter is
 * less than the corresponding min tCK value, we need to set the min
 * tCK value. This may happen at lower frequencies.
 */
struct lpddr2_min_tck {
        u32 tRL;
        u32 tRP_AB;
        u32 tRCD;
        u32 tWR;
        u32 tRAS_MIN;
        u32 tRRD;
        u32 tWTR;
        u32 tXP;
        u32 tRTP;
        u8  tCKE;
        u32 tCKESR;
        u32 tFAW;
};

struct lpddr2_device_details {
        u8      type;
        u8      density;
        u8      io_width;
        u8      manufacturer;
};

struct lpddr2_device_timings {
        const struct lpddr2_ac_timings **ac_timings;
        const struct lpddr2_min_tck *min_tck;
};

/* Details of the devices connected to each chip-select of an EMIF instance */
struct emif_device_details {
        const struct lpddr2_device_details *cs0_device_details;
        const struct lpddr2_device_details *cs1_device_details;
        const struct lpddr2_device_timings *cs0_device_timings;
        const struct lpddr2_device_timings *cs1_device_timings;
};

/*
 * Structure containing shadow of important registers in EMIF
 * The calculation function fills in this structure to be later used for
 * initialization and DVFS
 */
struct emif_regs {
        u32 freq;
        u32 sdram_config_init;
        u32 sdram_config;
        u32 ref_ctrl;
        u32 sdram_tim1;
        u32 sdram_tim2;
        u32 sdram_tim3;
        u32 read_idle_ctrl;
        u32 zq_config;
        u32 temp_alert_config;
        u32 emif_ddr_phy_ctlr_1_init;
        u32 emif_ddr_phy_ctlr_1;
};

/* assert macros */
#if defined(DEBUG)
#define emif_assert(c)  ({ if (!(c)) for (;;); })
#else
#define emif_assert(c)  ({ if (0) hang(); })
#endif

void emif_get_reg_dump(u32 emif_nr, const struct emif_regs **regs);
void emif_get_dmm_regs(const struct dmm_lisa_map_regs **dmm_lisa_regs);

#endif