| Mario Six | 538b575 | 2018-08-06 10:23:30 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | /* |
| 3 | * (C) Copyright 2018 |
| 4 | * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc |
| 5 | */ |
| 6 | |
| 7 | #ifndef DT_BINDINGS_MPC83XX_SDRAM_H |
| 8 | #define DT_BINDINGS_MPC83XX_SDRAM_H |
| 9 | |
| 10 | /* DDR Control Driver register */ |
| 11 | |
| 12 | #define DSO_DISABLE 0 |
| 13 | #define DSO_ENABLE 1 |
| 14 | |
| 15 | #define DSO_P_IMPEDANCE_HIGHEST_Z 0x0 |
| 16 | #define DSO_P_IMPEDANCE_MUCH_HIGHER_Z 0x8 |
| 17 | #define DSO_P_IMPEDANCE_HIGHER_Z 0xC |
| 18 | #define DSO_P_IMPEDANCE_NOMINAL 0xE |
| 19 | #define DSO_P_IMPEDANCE_LOWER_Z 0xF |
| 20 | |
| 21 | #define DSO_N_IMPEDANCE_HIGHEST_Z 0x0 |
| 22 | #define DSO_N_IMPEDANCE_MUCH_HIGHER_Z 0x8 |
| 23 | #define DSO_N_IMPEDANCE_HIGHER_Z 0xC |
| 24 | #define DSO_N_IMPEDANCE_NOMINAL 0xE |
| 25 | #define DSO_N_IMPEDANCE_LOWER_Z 0xF |
| 26 | |
| 27 | #define ODT_TERMINATION_75_OHM 0 |
| 28 | #define ODT_TERMINATION_150_OHM 1 |
| 29 | |
| 30 | #define DDR_TYPE_DDR2_1_8_VOLT 0 |
| 31 | #define DDR_TYPE_DDR1_2_5_VOLT 1 |
| 32 | |
| 33 | #define MVREF_SEL_EXTERNAL 0 |
| 34 | #define MVREF_SEL_INTERNAL_GVDD 1 |
| 35 | |
| 36 | #define M_ODR_ENABLE 0 |
| 37 | #define M_ODR_DISABLE 1 |
| 38 | |
| 39 | /* CS config register */ |
| 40 | |
| 41 | #define AUTO_PRECHARGE_ENABLE 0x00800000 |
| 42 | #define AUTO_PRECHARGE_DISABLE 0x00000000 |
| 43 | |
| 44 | #define ODT_RD_NEVER 0x00000000 |
| 45 | #define ODT_RD_ONLY_CURRENT 0x00100000 |
| 46 | #define ODT_RD_ONLY_OTHER_CS 0x00200000 |
| 47 | #define ODT_RD_ONLY_OTHER_DIMM 0x00300000 |
| 48 | #define ODT_RD_ALL 0x00400000 |
| 49 | |
| 50 | #define ODT_WR_NEVER 0x00000000 |
| 51 | #define ODT_WR_ONLY_CURRENT 0x00010000 |
| 52 | #define ODT_WR_ONLY_OTHER_CS 0x00020000 |
| 53 | #define ODT_WR_ONLY_OTHER_DIMM 0x00030000 |
| 54 | #define ODT_WR_ALL 0x00040000 |
| 55 | |
| 56 | /* DDR SDRAM Clock Control register */ |
| 57 | |
| 58 | #define CLOCK_ADJUST_025 0x01000000 |
| 59 | #define CLOCK_ADJUST_05 0x02000000 |
| 60 | #define CLOCK_ADJUST_075 0x03000000 |
| 61 | #define CLOCK_ADJUST_1 0x04000000 |
| 62 | |
| 63 | #define CASLAT_20 0x3 /* CAS latency = 2.0 */ |
| 64 | #define CASLAT_25 0x4 /* CAS latency = 2.5 */ |
| 65 | #define CASLAT_30 0x5 /* CAS latency = 3.0 */ |
| 66 | #define CASLAT_35 0x6 /* CAS latency = 3.5 */ |
| 67 | #define CASLAT_40 0x7 /* CAS latency = 4.0 */ |
| 68 | #define CASLAT_45 0x8 /* CAS latency = 4.5 */ |
| 69 | #define CASLAT_50 0x9 /* CAS latency = 5.0 */ |
| 70 | #define CASLAT_55 0xa /* CAS latency = 5.5 */ |
| 71 | #define CASLAT_60 0xb /* CAS latency = 6.0 */ |
| 72 | #define CASLAT_65 0xc /* CAS latency = 6.5 */ |
| 73 | #define CASLAT_70 0xd /* CAS latency = 7.0 */ |
| 74 | #define CASLAT_75 0xe /* CAS latency = 7.5 */ |
| 75 | #define CASLAT_80 0xf /* CAS latency = 8.0 */ |
| 76 | |
| 77 | /* DDR SDRAM Timing Configuration 2 register */ |
| 78 | |
| 79 | #define READ_LAT_PLUS_1 0x0 |
| 80 | #define READ_LAT 0x2 |
| 81 | #define READ_LAT_PLUS_1_4 0x3 |
| 82 | #define READ_LAT_PLUS_1_2 0x4 |
| 83 | #define READ_LAT_PLUS_3_4 0x5 |
| 84 | #define READ_LAT_PLUS_5_4 0x7 |
| 85 | #define READ_LAT_PLUS_3_2 0x8 |
| 86 | #define READ_LAT_PLUS_7_4 0x9 |
| 87 | #define READ_LAT_PLUS_2 0xA |
| 88 | #define READ_LAT_PLUS_9_4 0xB |
| 89 | #define READ_LAT_PLUS_5_2 0xC |
| 90 | #define READ_LAT_PLUS_11_4 0xD |
| 91 | #define READ_LAT_PLUS_3 0xE |
| 92 | #define READ_LAT_PLUS_13_4 0xF |
| 93 | #define READ_LAT_PLUS_7_2 0x10 |
| 94 | #define READ_LAT_PLUS_15_4 0x11 |
| 95 | #define READ_LAT_PLUS_4 0x12 |
| 96 | #define READ_LAT_PLUS_17_4 0x13 |
| 97 | #define READ_LAT_PLUS_9_2 0x14 |
| 98 | #define READ_LAT_PLUS_19_4 0x15 |
| 99 | |
| 100 | #define CLOCK_DELAY_0 0x0 |
| 101 | #define CLOCK_DELAY_1_4 0x1 |
| 102 | #define CLOCK_DELAY_1_2 0x2 |
| 103 | #define CLOCK_DELAY_3_4 0x3 |
| 104 | #define CLOCK_DELAY_1 0x4 |
| 105 | #define CLOCK_DELAY_5_4 0x5 |
| 106 | #define CLOCK_DELAY_3_2 0x6 |
| 107 | |
| 108 | /* DDR SDRAM Control Configuration */ |
| 109 | |
| 110 | #define SREN_DISABLE 0x0 |
| 111 | #define SREN_ENABLE 0x1 |
| 112 | |
| 113 | #define ECC_DISABLE 0x0 |
| 114 | #define ECC_ENABLE 0x1 |
| 115 | |
| 116 | #define RD_DISABLE 0x0 |
| 117 | #define RD_ENABLE 0x1 |
| 118 | |
| 119 | #define TYPE_DDR1 0x2 |
| 120 | #define TYPE_DDR2 0x3 |
| 121 | |
| 122 | #define DYN_PWR_DISABLE 0x0 |
| 123 | #define DYN_PWR_ENABLE 0x1 |
| 124 | |
| 125 | #define DATA_BUS_WIDTH_16 0x1 |
| 126 | #define DATA_BUS_WIDTH_32 0x2 |
| 127 | |
| 128 | #define NCAP_DISABLE 0x0 |
| 129 | #define NCAP_ENABLE 0x1 |
| 130 | |
| 131 | #define TIMING_1T 0x0 |
| 132 | #define TIMING_2T 0x1 |
| 133 | |
| 134 | #define INTERLEAVE_NONE 0x0 |
| 135 | #define INTERLEAVE_1_AND_2 0x1 |
| 136 | |
| 137 | #define PRECHARGE_MA_10 0x0 |
| 138 | #define PRECHARGE_MA_8 0x1 |
| 139 | |
| 140 | #define STRENGTH_FULL 0x0 |
| 141 | #define STRENGTH_HALF 0x1 |
| 142 | |
| 143 | #define INITIALIZATION_DONT_BYPASS 0x0 |
| 144 | #define INITIALIZATION_BYPASS 0x1 |
| 145 | |
| 146 | /* DDR SDRAM Control Configuration 2 register */ |
| 147 | |
| 148 | #define MODE_NORMAL 0x0 |
| 149 | #define MODE_REFRESH 0x1 |
| 150 | |
| 151 | #define DLL_RESET_ENABLE 0x0 |
| 152 | #define DLL_RESET_DISABLE 0x1 |
| 153 | |
| 154 | #define DQS_TRUE 0x0 |
| 155 | |
| 156 | #define ODT_ASSERT_NEVER 0x0 |
| 157 | #define ODT_ASSERT_WRITES 0x1 |
| 158 | #define ODT_ASSERT_READS 0x2 |
| 159 | #define ODT_ASSERT_ALWAYS 0x3 |
| 160 | |
| 161 | #endif |