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path: root/drivers/memory/emif.h
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-rw-r--r--drivers/memory/emif.h607
1 files changed, 607 insertions, 0 deletions
diff --git a/drivers/memory/emif.h b/drivers/memory/emif.h
new file mode 100644
index 000000000..55aeb36a5
--- /dev/null
+++ b/drivers/memory/emif.h
@@ -0,0 +1,607 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Defines for the EMIF driver
+ *
+ * Copyright (C) 2012 Texas Instruments, Inc.
+ *
+ * Benoit Cousson (b-cousson@ti.com)
+ */
+#ifndef __EMIF_H
+#define __EMIF_H
+
+/*
+ * 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
+
+/* State of the core voltage */
+#define DDR_VOLTAGE_STABLE 0
+#define DDR_VOLTAGE_RAMPING 1
+
+/* Defines for timing De-rating */
+#define EMIF_NORMAL_TIMINGS 0
+#define EMIF_DERATED_TIMINGS 1
+
+/* Length of the forced read idle period in terms of cycles */
+#define EMIF_READ_IDLE_LEN_VAL 5
+
+/*
+ * forced read idle interval to be used when voltage
+ * is changed as part of DVFS/DPS - 1ms
+ */
+#define READ_IDLE_INTERVAL_DVFS (1*1000000)
+
+/*
+ * Forced read idle interval to be used when voltage is stable
+ * 50us - or maximum value will do
+ */
+#define READ_IDLE_INTERVAL_NORMAL (50*1000000)
+
+/* DLL calibration interval when voltage is NOT stable - 1us */
+#define DLL_CALIB_INTERVAL_DVFS (1*1000000)
+
+#define DLL_CALIB_ACK_WAIT_VAL 5
+
+/* Interval between ZQCS commands - hw team recommended value */
+#define EMIF_ZQCS_INTERVAL_US (50*1000)
+/* Enable ZQ Calibration on exiting Self-refresh */
+#define ZQ_SFEXITEN_ENABLE 1
+/*
+ * ZQ Calibration simultaneously on both chip-selects:
+ * Needs one calibration resistor per CS
+ */
+#define ZQ_DUALCALEN_DISABLE 0
+#define ZQ_DUALCALEN_ENABLE 1
+
+#define T_ZQCS_DEFAULT_NS 90
+#define T_ZQCL_DEFAULT_NS 360
+#define T_ZQINIT_DEFAULT_NS 1000
+
+/* DPD_EN */
+#define DPD_DISABLE 0
+#define DPD_ENABLE 1
+
+/*
+ * Default values for the low-power entry to be used if not provided by user.
+ * OMAP4/5 has a hw bug(i735) due to which this value can not be less than 512
+ * Timeout values are in DDR clock 'cycles' and frequency threshold in Hz
+ */
+#define EMIF_LP_MODE_TIMEOUT_PERFORMANCE 2048
+#define EMIF_LP_MODE_TIMEOUT_POWER 512
+#define EMIF_LP_MODE_FREQ_THRESHOLD 400000000
+
+/* DDR_PHY_CTRL_1 values for EMIF4D - ATTILA PHY combination */
+#define EMIF_DDR_PHY_CTRL_1_BASE_VAL_ATTILAPHY 0x049FF000
+#define EMIF_DLL_SLAVE_DLY_CTRL_400_MHZ_ATTILAPHY 0x41
+#define EMIF_DLL_SLAVE_DLY_CTRL_200_MHZ_ATTILAPHY 0x80
+#define EMIF_DLL_SLAVE_DLY_CTRL_100_MHZ_AND_LESS_ATTILAPHY 0xFF
+
+/* DDR_PHY_CTRL_1 values for EMIF4D5 INTELLIPHY combination */
+#define EMIF_DDR_PHY_CTRL_1_BASE_VAL_INTELLIPHY 0x0E084200
+#define EMIF_PHY_TOTAL_READ_LATENCY_INTELLIPHY_PS 10000
+
+/* TEMP_ALERT_CONFIG - corresponding to temp gradient 5 C/s */
+#define TEMP_ALERT_POLL_INTERVAL_DEFAULT_MS 360
+
+#define EMIF_T_CSTA 3
+#define EMIF_T_PDLL_UL 128
+
+/* External PHY control registers magic values */
+#define EMIF_EXT_PHY_CTRL_1_VAL 0x04020080
+#define EMIF_EXT_PHY_CTRL_5_VAL 0x04010040
+#define EMIF_EXT_PHY_CTRL_6_VAL 0x01004010
+#define EMIF_EXT_PHY_CTRL_7_VAL 0x00001004
+#define EMIF_EXT_PHY_CTRL_8_VAL 0x04010040
+#define EMIF_EXT_PHY_CTRL_9_VAL 0x01004010
+#define EMIF_EXT_PHY_CTRL_10_VAL 0x00001004
+#define EMIF_EXT_PHY_CTRL_11_VAL 0x00000000
+#define EMIF_EXT_PHY_CTRL_12_VAL 0x00000000
+#define EMIF_EXT_PHY_CTRL_13_VAL 0x00000000
+#define EMIF_EXT_PHY_CTRL_14_VAL 0x80080080
+#define EMIF_EXT_PHY_CTRL_15_VAL 0x00800800
+#define EMIF_EXT_PHY_CTRL_16_VAL 0x08102040
+#define EMIF_EXT_PHY_CTRL_17_VAL 0x00000001
+#define EMIF_EXT_PHY_CTRL_18_VAL 0x540A8150
+#define EMIF_EXT_PHY_CTRL_19_VAL 0xA81502A0
+#define EMIF_EXT_PHY_CTRL_20_VAL 0x002A0540
+#define EMIF_EXT_PHY_CTRL_21_VAL 0x00000000
+#define EMIF_EXT_PHY_CTRL_22_VAL 0x00000000
+#define EMIF_EXT_PHY_CTRL_23_VAL 0x00000000
+#define EMIF_EXT_PHY_CTRL_24_VAL 0x00000077
+
+#define EMIF_INTELLI_PHY_DQS_GATE_OPENING_DELAY_PS 1200
+
+/* Registers offset */
+#define EMIF_MODULE_ID_AND_REVISION 0x0000
+#define EMIF_STATUS 0x0004
+#define EMIF_SDRAM_CONFIG 0x0008
+#define EMIF_SDRAM_CONFIG_2 0x000c
+#define EMIF_SDRAM_REFRESH_CONTROL 0x0010
+#define EMIF_SDRAM_REFRESH_CTRL_SHDW 0x0014
+#define EMIF_SDRAM_TIMING_1 0x0018
+#define EMIF_SDRAM_TIMING_1_SHDW 0x001c
+#define EMIF_SDRAM_TIMING_2 0x0020
+#define EMIF_SDRAM_TIMING_2_SHDW 0x0024
+#define EMIF_SDRAM_TIMING_3 0x0028
+#define EMIF_SDRAM_TIMING_3_SHDW 0x002c
+#define EMIF_LPDDR2_NVM_TIMING 0x0030
+#define EMIF_LPDDR2_NVM_TIMING_SHDW 0x0034
+#define EMIF_POWER_MANAGEMENT_CONTROL 0x0038
+#define EMIF_POWER_MANAGEMENT_CTRL_SHDW 0x003c
+#define EMIF_LPDDR2_MODE_REG_DATA 0x0040
+#define EMIF_LPDDR2_MODE_REG_CONFIG 0x0050
+#define EMIF_OCP_CONFIG 0x0054
+#define EMIF_OCP_CONFIG_VALUE_1 0x0058
+#define EMIF_OCP_CONFIG_VALUE_2 0x005c
+#define EMIF_IODFT_TEST_LOGIC_GLOBAL_CONTROL 0x0060
+#define EMIF_IODFT_TEST_LOGIC_CTRL_MISR_RESULT 0x0064
+#define EMIF_IODFT_TEST_LOGIC_ADDRESS_MISR_RESULT 0x0068
+#define EMIF_IODFT_TEST_LOGIC_DATA_MISR_RESULT_1 0x006c
+#define EMIF_IODFT_TEST_LOGIC_DATA_MISR_RESULT_2 0x0070
+#define EMIF_IODFT_TEST_LOGIC_DATA_MISR_RESULT_3 0x0074
+#define EMIF_PERFORMANCE_COUNTER_1 0x0080
+#define EMIF_PERFORMANCE_COUNTER_2 0x0084
+#define EMIF_PERFORMANCE_COUNTER_CONFIG 0x0088
+#define EMIF_PERFORMANCE_COUNTER_MASTER_REGION_SELECT 0x008c
+#define EMIF_PERFORMANCE_COUNTER_TIME 0x0090
+#define EMIF_MISC_REG 0x0094
+#define EMIF_DLL_CALIB_CTRL 0x0098
+#define EMIF_DLL_CALIB_CTRL_SHDW 0x009c
+#define EMIF_END_OF_INTERRUPT 0x00a0
+#define EMIF_SYSTEM_OCP_INTERRUPT_RAW_STATUS 0x00a4
+#define EMIF_LL_OCP_INTERRUPT_RAW_STATUS 0x00a8
+#define EMIF_SYSTEM_OCP_INTERRUPT_STATUS 0x00ac
+#define EMIF_LL_OCP_INTERRUPT_STATUS 0x00b0
+#define EMIF_SYSTEM_OCP_INTERRUPT_ENABLE_SET 0x00b4
+#define EMIF_LL_OCP_INTERRUPT_ENABLE_SET 0x00b8
+#define EMIF_SYSTEM_OCP_INTERRUPT_ENABLE_CLEAR 0x00bc
+#define EMIF_LL_OCP_INTERRUPT_ENABLE_CLEAR 0x00c0
+#define EMIF_SDRAM_OUTPUT_IMPEDANCE_CALIBRATION_CONFIG 0x00c8
+#define EMIF_TEMPERATURE_ALERT_CONFIG 0x00cc
+#define EMIF_OCP_ERROR_LOG 0x00d0
+#define EMIF_READ_WRITE_LEVELING_RAMP_WINDOW 0x00d4
+#define EMIF_READ_WRITE_LEVELING_RAMP_CONTROL 0x00d8
+#define EMIF_READ_WRITE_LEVELING_CONTROL 0x00dc
+#define EMIF_DDR_PHY_CTRL_1 0x00e4
+#define EMIF_DDR_PHY_CTRL_1_SHDW 0x00e8
+#define EMIF_DDR_PHY_CTRL_2 0x00ec
+#define EMIF_PRIORITY_TO_CLASS_OF_SERVICE_MAPPING 0x0100
+#define EMIF_CONNECTION_ID_TO_CLASS_OF_SERVICE_1_MAPPING 0x0104
+#define EMIF_CONNECTION_ID_TO_CLASS_OF_SERVICE_2_MAPPING 0x0108
+#define EMIF_READ_WRITE_EXECUTION_THRESHOLD 0x0120
+#define EMIF_COS_CONFIG 0x0124
+#define EMIF_PHY_STATUS_1 0x0140
+#define EMIF_PHY_STATUS_2 0x0144
+#define EMIF_PHY_STATUS_3 0x0148
+#define EMIF_PHY_STATUS_4 0x014c
+#define EMIF_PHY_STATUS_5 0x0150
+#define EMIF_PHY_STATUS_6 0x0154
+#define EMIF_PHY_STATUS_7 0x0158
+#define EMIF_PHY_STATUS_8 0x015c
+#define EMIF_PHY_STATUS_9 0x0160
+#define EMIF_PHY_STATUS_10 0x0164
+#define EMIF_PHY_STATUS_11 0x0168
+#define EMIF_PHY_STATUS_12 0x016c
+#define EMIF_PHY_STATUS_13 0x0170
+#define EMIF_PHY_STATUS_14 0x0174
+#define EMIF_PHY_STATUS_15 0x0178
+#define EMIF_PHY_STATUS_16 0x017c
+#define EMIF_PHY_STATUS_17 0x0180
+#define EMIF_PHY_STATUS_18 0x0184
+#define EMIF_PHY_STATUS_19 0x0188
+#define EMIF_PHY_STATUS_20 0x018c
+#define EMIF_PHY_STATUS_21 0x0190
+#define EMIF_EXT_PHY_CTRL_1 0x0200
+#define EMIF_EXT_PHY_CTRL_1_SHDW 0x0204
+#define EMIF_EXT_PHY_CTRL_2 0x0208
+#define EMIF_EXT_PHY_CTRL_2_SHDW 0x020c
+#define EMIF_EXT_PHY_CTRL_3 0x0210
+#define EMIF_EXT_PHY_CTRL_3_SHDW 0x0214
+#define EMIF_EXT_PHY_CTRL_4 0x0218
+#define EMIF_EXT_PHY_CTRL_4_SHDW 0x021c
+#define EMIF_EXT_PHY_CTRL_5 0x0220
+#define EMIF_EXT_PHY_CTRL_5_SHDW 0x0224
+#define EMIF_EXT_PHY_CTRL_6 0x0228
+#define EMIF_EXT_PHY_CTRL_6_SHDW 0x022c
+#define EMIF_EXT_PHY_CTRL_7 0x0230
+#define EMIF_EXT_PHY_CTRL_7_SHDW 0x0234
+#define EMIF_EXT_PHY_CTRL_8 0x0238
+#define EMIF_EXT_PHY_CTRL_8_SHDW 0x023c
+#define EMIF_EXT_PHY_CTRL_9 0x0240
+#define EMIF_EXT_PHY_CTRL_9_SHDW 0x0244
+#define EMIF_EXT_PHY_CTRL_10 0x0248
+#define EMIF_EXT_PHY_CTRL_10_SHDW 0x024c
+#define EMIF_EXT_PHY_CTRL_11 0x0250
+#define EMIF_EXT_PHY_CTRL_11_SHDW 0x0254
+#define EMIF_EXT_PHY_CTRL_12 0x0258
+#define EMIF_EXT_PHY_CTRL_12_SHDW 0x025c
+#define EMIF_EXT_PHY_CTRL_13 0x0260
+#define EMIF_EXT_PHY_CTRL_13_SHDW 0x0264
+#define EMIF_EXT_PHY_CTRL_14 0x0268
+#define EMIF_EXT_PHY_CTRL_14_SHDW 0x026c
+#define EMIF_EXT_PHY_CTRL_15 0x0270
+#define EMIF_EXT_PHY_CTRL_15_SHDW 0x0274
+#define EMIF_EXT_PHY_CTRL_16 0x0278
+#define EMIF_EXT_PHY_CTRL_16_SHDW 0x027c
+#define EMIF_EXT_PHY_CTRL_17 0x0280
+#define EMIF_EXT_PHY_CTRL_17_SHDW 0x0284
+#define EMIF_EXT_PHY_CTRL_18 0x0288
+#define EMIF_EXT_PHY_CTRL_18_SHDW 0x028c
+#define EMIF_EXT_PHY_CTRL_19 0x0290
+#define EMIF_EXT_PHY_CTRL_19_SHDW 0x0294
+#define EMIF_EXT_PHY_CTRL_20 0x0298
+#define EMIF_EXT_PHY_CTRL_20_SHDW 0x029c
+#define EMIF_EXT_PHY_CTRL_21 0x02a0
+#define EMIF_EXT_PHY_CTRL_21_SHDW 0x02a4
+#define EMIF_EXT_PHY_CTRL_22 0x02a8
+#define EMIF_EXT_PHY_CTRL_22_SHDW 0x02ac
+#define EMIF_EXT_PHY_CTRL_23 0x02b0
+#define EMIF_EXT_PHY_CTRL_23_SHDW 0x02b4
+#define EMIF_EXT_PHY_CTRL_24 0x02b8
+#define EMIF_EXT_PHY_CTRL_24_SHDW 0x02bc
+#define EMIF_EXT_PHY_CTRL_25 0x02c0
+#define EMIF_EXT_PHY_CTRL_25_SHDW 0x02c4
+#define EMIF_EXT_PHY_CTRL_26 0x02c8
+#define EMIF_EXT_PHY_CTRL_26_SHDW 0x02cc
+#define EMIF_EXT_PHY_CTRL_27 0x02d0
+#define EMIF_EXT_PHY_CTRL_27_SHDW 0x02d4
+#define EMIF_EXT_PHY_CTRL_28 0x02d8
+#define EMIF_EXT_PHY_CTRL_28_SHDW 0x02dc
+#define EMIF_EXT_PHY_CTRL_29 0x02e0
+#define EMIF_EXT_PHY_CTRL_29_SHDW 0x02e4
+#define EMIF_EXT_PHY_CTRL_30 0x02e8
+#define EMIF_EXT_PHY_CTRL_30_SHDW 0x02ec
+
+/* Registers shifts and masks */
+
+/* EMIF_MODULE_ID_AND_REVISION */
+#define SCHEME_SHIFT 30
+#define SCHEME_MASK (0x3 << 30)
+#define MODULE_ID_SHIFT 16
+#define MODULE_ID_MASK (0xfff << 16)
+#define RTL_VERSION_SHIFT 11
+#define RTL_VERSION_MASK (0x1f << 11)
+#define MAJOR_REVISION_SHIFT 8
+#define MAJOR_REVISION_MASK (0x7 << 8)
+#define MINOR_REVISION_SHIFT 0
+#define MINOR_REVISION_MASK (0x3f << 0)
+
+/* STATUS */
+#define BE_SHIFT 31
+#define BE_MASK (1 << 31)
+#define DUAL_CLK_MODE_SHIFT 30
+#define DUAL_CLK_MODE_MASK (1 << 30)
+#define FAST_INIT_SHIFT 29
+#define FAST_INIT_MASK (1 << 29)
+#define RDLVLGATETO_SHIFT 6
+#define RDLVLGATETO_MASK (1 << 6)
+#define RDLVLTO_SHIFT 5
+#define RDLVLTO_MASK (1 << 5)
+#define WRLVLTO_SHIFT 4
+#define WRLVLTO_MASK (1 << 4)
+#define PHY_DLL_READY_SHIFT 2
+#define PHY_DLL_READY_MASK (1 << 2)
+
+/* SDRAM_CONFIG */
+#define SDRAM_TYPE_SHIFT 29
+#define SDRAM_TYPE_MASK (0x7 << 29)
+#define IBANK_POS_SHIFT 27
+#define IBANK_POS_MASK (0x3 << 27)
+#define DDR_TERM_SHIFT 24
+#define DDR_TERM_MASK (0x7 << 24)
+#define DDR2_DDQS_SHIFT 23
+#define DDR2_DDQS_MASK (1 << 23)
+#define DYN_ODT_SHIFT 21
+#define DYN_ODT_MASK (0x3 << 21)
+#define DDR_DISABLE_DLL_SHIFT 20
+#define DDR_DISABLE_DLL_MASK (1 << 20)
+#define SDRAM_DRIVE_SHIFT 18
+#define SDRAM_DRIVE_MASK (0x3 << 18)
+#define CWL_SHIFT 16
+#define CWL_MASK (0x3 << 16)
+#define NARROW_MODE_SHIFT 14
+#define NARROW_MODE_MASK (0x3 << 14)
+#define CL_SHIFT 10
+#define CL_MASK (0xf << 10)
+#define ROWSIZE_SHIFT 7
+#define ROWSIZE_MASK (0x7 << 7)
+#define IBANK_SHIFT 4
+#define IBANK_MASK (0x7 << 4)
+#define EBANK_SHIFT 3
+#define EBANK_MASK (1 << 3)
+#define PAGESIZE_SHIFT 0
+#define PAGESIZE_MASK (0x7 << 0)
+
+/* SDRAM_CONFIG_2 */
+#define CS1NVMEN_SHIFT 30
+#define CS1NVMEN_MASK (1 << 30)
+#define EBANK_POS_SHIFT 27
+#define EBANK_POS_MASK (1 << 27)
+#define RDBNUM_SHIFT 4
+#define RDBNUM_MASK (0x3 << 4)
+#define RDBSIZE_SHIFT 0
+#define RDBSIZE_MASK (0x7 << 0)
+
+/* SDRAM_REFRESH_CONTROL */
+#define INITREF_DIS_SHIFT 31
+#define INITREF_DIS_MASK (1 << 31)
+#define SRT_SHIFT 29
+#define SRT_MASK (1 << 29)
+#define ASR_SHIFT 28
+#define ASR_MASK (1 << 28)
+#define PASR_SHIFT 24
+#define PASR_MASK (0x7 << 24)
+#define REFRESH_RATE_SHIFT 0
+#define REFRESH_RATE_MASK (0xffff << 0)
+
+/* SDRAM_TIMING_1 */
+#define T_RTW_SHIFT 29
+#define T_RTW_MASK (0x7 << 29)
+#define T_RP_SHIFT 25
+#define T_RP_MASK (0xf << 25)
+#define T_RCD_SHIFT 21
+#define T_RCD_MASK (0xf << 21)
+#define T_WR_SHIFT 17
+#define T_WR_MASK (0xf << 17)
+#define T_RAS_SHIFT 12
+#define T_RAS_MASK (0x1f << 12)
+#define T_RC_SHIFT 6
+#define T_RC_MASK (0x3f << 6)
+#define T_RRD_SHIFT 3
+#define T_RRD_MASK (0x7 << 3)
+#define T_WTR_SHIFT 0
+#define T_WTR_MASK (0x7 << 0)
+
+/* SDRAM_TIMING_2 */
+#define T_XP_SHIFT 28
+#define T_XP_MASK (0x7 << 28)
+#define T_ODT_SHIFT 25
+#define T_ODT_MASK (0x7 << 25)
+#define T_XSNR_SHIFT 16
+#define T_XSNR_MASK (0x1ff << 16)
+#define T_XSRD_SHIFT 6
+#define T_XSRD_MASK (0x3ff << 6)
+#define T_RTP_SHIFT 3
+#define T_RTP_MASK (0x7 << 3)
+#define T_CKE_SHIFT 0
+#define T_CKE_MASK (0x7 << 0)
+
+/* SDRAM_TIMING_3 */
+#define T_PDLL_UL_SHIFT 28
+#define T_PDLL_UL_MASK (0xf << 28)
+#define T_CSTA_SHIFT 24
+#define T_CSTA_MASK (0xf << 24)
+#define T_CKESR_SHIFT 21
+#define T_CKESR_MASK (0x7 << 21)
+#define ZQ_ZQCS_SHIFT 15
+#define ZQ_ZQCS_MASK (0x3f << 15)
+#define T_TDQSCKMAX_SHIFT 13
+#define T_TDQSCKMAX_MASK (0x3 << 13)
+#define T_RFC_SHIFT 4
+#define T_RFC_MASK (0x1ff << 4)
+#define T_RAS_MAX_SHIFT 0
+#define T_RAS_MAX_MASK (0xf << 0)
+
+/* POWER_MANAGEMENT_CONTROL */
+#define PD_TIM_SHIFT 12
+#define PD_TIM_MASK (0xf << 12)
+#define DPD_EN_SHIFT 11
+#define DPD_EN_MASK (1 << 11)
+#define LP_MODE_SHIFT 8
+#define LP_MODE_MASK (0x7 << 8)
+#define SR_TIM_SHIFT 4
+#define SR_TIM_MASK (0xf << 4)
+#define CS_TIM_SHIFT 0
+#define CS_TIM_MASK (0xf << 0)
+
+/* LPDDR2_MODE_REG_DATA */
+#define VALUE_0_SHIFT 0
+#define VALUE_0_MASK (0x7f << 0)
+
+/* LPDDR2_MODE_REG_CONFIG */
+#define CS_SHIFT 31
+#define CS_MASK (1 << 31)
+#define REFRESH_EN_SHIFT 30
+#define REFRESH_EN_MASK (1 << 30)
+#define ADDRESS_SHIFT 0
+#define ADDRESS_MASK (0xff << 0)
+
+/* OCP_CONFIG */
+#define SYS_THRESH_MAX_SHIFT 24
+#define SYS_THRESH_MAX_MASK (0xf << 24)
+#define MPU_THRESH_MAX_SHIFT 20
+#define MPU_THRESH_MAX_MASK (0xf << 20)
+#define LL_THRESH_MAX_SHIFT 16
+#define LL_THRESH_MAX_MASK (0xf << 16)
+
+/* PERFORMANCE_COUNTER_1 */
+#define COUNTER1_SHIFT 0
+#define COUNTER1_MASK (0xffffffff << 0)
+
+/* PERFORMANCE_COUNTER_2 */
+#define COUNTER2_SHIFT 0
+#define COUNTER2_MASK (0xffffffff << 0)
+
+/* PERFORMANCE_COUNTER_CONFIG */
+#define CNTR2_MCONNID_EN_SHIFT 31
+#define CNTR2_MCONNID_EN_MASK (1 << 31)
+#define CNTR2_REGION_EN_SHIFT 30
+#define CNTR2_REGION_EN_MASK (1 << 30)
+#define CNTR2_CFG_SHIFT 16
+#define CNTR2_CFG_MASK (0xf << 16)
+#define CNTR1_MCONNID_EN_SHIFT 15
+#define CNTR1_MCONNID_EN_MASK (1 << 15)
+#define CNTR1_REGION_EN_SHIFT 14
+#define CNTR1_REGION_EN_MASK (1 << 14)
+#define CNTR1_CFG_SHIFT 0
+#define CNTR1_CFG_MASK (0xf << 0)
+
+/* PERFORMANCE_COUNTER_MASTER_REGION_SELECT */
+#define MCONNID2_SHIFT 24
+#define MCONNID2_MASK (0xff << 24)
+#define REGION_SEL2_SHIFT 16
+#define REGION_SEL2_MASK (0x3 << 16)
+#define MCONNID1_SHIFT 8
+#define MCONNID1_MASK (0xff << 8)
+#define REGION_SEL1_SHIFT 0
+#define REGION_SEL1_MASK (0x3 << 0)
+
+/* PERFORMANCE_COUNTER_TIME */
+#define TOTAL_TIME_SHIFT 0
+#define TOTAL_TIME_MASK (0xffffffff << 0)
+
+/* DLL_CALIB_CTRL */
+#define ACK_WAIT_SHIFT 16
+#define ACK_WAIT_MASK (0xf << 16)
+#define DLL_CALIB_INTERVAL_SHIFT 0
+#define DLL_CALIB_INTERVAL_MASK (0x1ff << 0)
+
+/* END_OF_INTERRUPT */
+#define EOI_SHIFT 0
+#define EOI_MASK (1 << 0)
+
+/* SYSTEM_OCP_INTERRUPT_RAW_STATUS */
+#define DNV_SYS_SHIFT 2
+#define DNV_SYS_MASK (1 << 2)
+#define TA_SYS_SHIFT 1
+#define TA_SYS_MASK (1 << 1)
+#define ERR_SYS_SHIFT 0
+#define ERR_SYS_MASK (1 << 0)
+
+/* LOW_LATENCY_OCP_INTERRUPT_RAW_STATUS */
+#define DNV_LL_SHIFT 2
+#define DNV_LL_MASK (1 << 2)
+#define TA_LL_SHIFT 1
+#define TA_LL_MASK (1 << 1)
+#define ERR_LL_SHIFT 0
+#define ERR_LL_MASK (1 << 0)
+
+/* SYSTEM_OCP_INTERRUPT_ENABLE_SET */
+#define EN_DNV_SYS_SHIFT 2
+#define EN_DNV_SYS_MASK (1 << 2)
+#define EN_TA_SYS_SHIFT 1
+#define EN_TA_SYS_MASK (1 << 1)
+#define EN_ERR_SYS_SHIFT 0
+#define EN_ERR_SYS_MASK (1 << 0)
+
+/* LOW_LATENCY_OCP_INTERRUPT_ENABLE_SET */
+#define EN_DNV_LL_SHIFT 2
+#define EN_DNV_LL_MASK (1 << 2)
+#define EN_TA_LL_SHIFT 1
+#define EN_TA_LL_MASK (1 << 1)
+#define EN_ERR_LL_SHIFT 0
+#define EN_ERR_LL_MASK (1 << 0)
+
+/* SDRAM_OUTPUT_IMPEDANCE_CALIBRATION_CONFIG */
+#define ZQ_CS1EN_SHIFT 31
+#define ZQ_CS1EN_MASK (1 << 31)
+#define ZQ_CS0EN_SHIFT 30
+#define ZQ_CS0EN_MASK (1 << 30)
+#define ZQ_DUALCALEN_SHIFT 29
+#define ZQ_DUALCALEN_MASK (1 << 29)
+#define ZQ_SFEXITEN_SHIFT 28
+#define ZQ_SFEXITEN_MASK (1 << 28)
+#define ZQ_ZQINIT_MULT_SHIFT 18
+#define ZQ_ZQINIT_MULT_MASK (0x3 << 18)
+#define ZQ_ZQCL_MULT_SHIFT 16
+#define ZQ_ZQCL_MULT_MASK (0x3 << 16)
+#define ZQ_REFINTERVAL_SHIFT 0
+#define ZQ_REFINTERVAL_MASK (0xffff << 0)
+
+/* TEMPERATURE_ALERT_CONFIG */
+#define TA_CS1EN_SHIFT 31
+#define TA_CS1EN_MASK (1 << 31)
+#define TA_CS0EN_SHIFT 30
+#define TA_CS0EN_MASK (1 << 30)
+#define TA_SFEXITEN_SHIFT 28
+#define TA_SFEXITEN_MASK (1 << 28)
+#define TA_DEVWDT_SHIFT 26
+#define TA_DEVWDT_MASK (0x3 << 26)
+#define TA_DEVCNT_SHIFT 24
+#define TA_DEVCNT_MASK (0x3 << 24)
+#define TA_REFINTERVAL_SHIFT 0
+#define TA_REFINTERVAL_MASK (0x3fffff << 0)
+
+/* OCP_ERROR_LOG */
+#define MADDRSPACE_SHIFT 14
+#define MADDRSPACE_MASK (0x3 << 14)
+#define MBURSTSEQ_SHIFT 11
+#define MBURSTSEQ_MASK (0x7 << 11)
+#define MCMD_SHIFT 8
+#define MCMD_MASK (0x7 << 8)
+#define MCONNID_SHIFT 0
+#define MCONNID_MASK (0xff << 0)
+
+/* READ_WRITE_LEVELING_CONTROL */
+#define RDWRLVLFULL_START 0x80000000
+
+/* DDR_PHY_CTRL_1 - EMIF4D */
+#define DLL_SLAVE_DLY_CTRL_SHIFT_4D 4
+#define DLL_SLAVE_DLY_CTRL_MASK_4D (0xFF << 4)
+#define READ_LATENCY_SHIFT_4D 0
+#define READ_LATENCY_MASK_4D (0xf << 0)
+
+/* DDR_PHY_CTRL_1 - EMIF4D5 */
+#define DLL_HALF_DELAY_SHIFT_4D5 21
+#define DLL_HALF_DELAY_MASK_4D5 (1 << 21)
+#define READ_LATENCY_SHIFT_4D5 0
+#define READ_LATENCY_MASK_4D5 (0x1f << 0)
+
+/* DDR_PHY_CTRL_1_SHDW */
+#define DDR_PHY_CTRL_1_SHDW_SHIFT 5
+#define DDR_PHY_CTRL_1_SHDW_MASK (0x7ffffff << 5)
+#define READ_LATENCY_SHDW_SHIFT 0
+#define READ_LATENCY_SHDW_MASK (0x1f << 0)
+
+#define EMIF_SRAM_AM33_REG_LAYOUT 0x00000000
+#define EMIF_SRAM_AM43_REG_LAYOUT 0x00000001
+
+#ifndef __ASSEMBLY__
+/*
+ * Structure containing shadow of important registers in EMIF
+ * The calculation function fills in this structure to be later used for
+ * initialisation and DVFS
+ */
+struct emif_regs {
+ u32 freq;
+ u32 ref_ctrl_shdw;
+ u32 ref_ctrl_shdw_derated;
+ u32 sdram_tim1_shdw;
+ u32 sdram_tim1_shdw_derated;
+ u32 sdram_tim2_shdw;
+ u32 sdram_tim3_shdw;
+ u32 sdram_tim3_shdw_derated;
+ u32 pwr_mgmt_ctrl_shdw;
+ union {
+ u32 read_idle_ctrl_shdw_normal;
+ u32 dll_calib_ctrl_shdw_normal;
+ };
+ union {
+ u32 read_idle_ctrl_shdw_volt_ramp;
+ u32 dll_calib_ctrl_shdw_volt_ramp;
+ };
+
+ u32 phy_ctrl_1_shdw;
+ u32 ext_phy_ctrl_2_shdw;
+ u32 ext_phy_ctrl_3_shdw;
+ u32 ext_phy_ctrl_4_shdw;
+};
+
+struct ti_emif_pm_functions;
+
+extern unsigned int ti_emif_sram;
+extern unsigned int ti_emif_sram_sz;
+extern struct ti_emif_pm_data ti_emif_pm_sram_data;
+extern struct emif_regs_amx3 ti_emif_regs_amx3;
+
+void ti_emif_save_context(void);
+void ti_emif_restore_context(void);
+void ti_emif_run_hw_leveling(void);
+void ti_emif_enter_sr(void);
+void ti_emif_exit_sr(void);
+void ti_emif_abort_sr(void);
+
+#endif /* __ASSEMBLY__ */
+#endif /* __EMIF_H */