Stefan Roese | 73eb9b0 | 2016-02-10 11:41:26 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015-2016 Stefan Roese <sr@denx.de> |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 5 | * |
Jagan Teki | 94de5c1 | 2016-10-08 18:00:14 +0530 | [diff] [blame] | 6 | * Refer doc/README.imximage for more details about how-to configure |
Stefan Roese | 73eb9b0 | 2016-02-10 11:41:26 +0100 | [diff] [blame] | 7 | * and create imximage boot image |
| 8 | * |
| 9 | * The syntax is taken as close as possible with the kwbimage |
| 10 | */ |
| 11 | |
| 12 | /* image version */ |
| 13 | |
| 14 | IMAGE_VERSION 2 |
| 15 | |
| 16 | /* |
| 17 | * Boot Device : one of |
| 18 | * sd, nand |
| 19 | */ |
| 20 | BOOT_FROM sd |
| 21 | |
| 22 | /* |
| 23 | * Device Configuration Data (DCD) |
| 24 | * |
| 25 | * Each entry must have the format: |
| 26 | * Addr-type Address Value |
| 27 | * |
| 28 | * where: |
| 29 | * Addr-type register length (1,2 or 4 bytes) |
| 30 | * Address absolute address of the register |
| 31 | * value value to be stored in the register |
| 32 | */ |
| 33 | |
| 34 | #define __ASSEMBLY__ |
| 35 | #include <config.h> |
| 36 | |
| 37 | /* Enable all clocks */ |
| 38 | DATA 4 0x020c4068 0xffffffff |
| 39 | DATA 4 0x020c406c 0xffffffff |
| 40 | DATA 4 0x020c4070 0xffffffff |
| 41 | DATA 4 0x020c4074 0xffffffff |
| 42 | DATA 4 0x020c4078 0xffffffff |
| 43 | DATA 4 0x020c407c 0xffffffff |
| 44 | DATA 4 0x020c4080 0xffffffff |
| 45 | DATA 4 0x020c4084 0xffffffff |
| 46 | |
| 47 | /* ddr io type */ |
| 48 | DATA 4 0x020e04b4 0x000C0000 /* IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE */ |
| 49 | DATA 4 0x020e04ac 0x00000000 /* IOMUXC_SW_PAD_CTL_GRP_DDRPKE */ |
| 50 | |
| 51 | /* clock */ |
| 52 | DATA 4 0x020e027c 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK0_P */ |
| 53 | |
| 54 | /* control and address */ |
| 55 | DATA 4 0x020E0250 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_CAS */ |
| 56 | DATA 4 0x020E024C 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_RAS */ |
| 57 | DATA 4 0x020E0490 0x00000030 /* IOMUXC_SW_PAD_CTL_GRP_ADDDS */ |
| 58 | DATA 4 0x020E0288 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_RESET */ |
| 59 | DATA 4 0x020E0270 0x00000000 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDBA2 - DSE can be |
| 60 | configured using Group Control Register: |
| 61 | IOMUXC_SW_PAD_CTL_GRP_CTLDS */ |
| 62 | DATA 4 0x020E0260 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_ODT0 */ |
| 63 | DATA 4 0x020E0264 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_ODT1 */ |
| 64 | DATA 4 0x020E04A0 0x00000030 /* IOMUXC_SW_PAD_CTL_GRP_CTLDS */ |
| 65 | |
| 66 | /* data strobes */ |
| 67 | DATA 4 0x020e0494 0x00020000 /* IOMUXC_SW_PAD_CTL_GRP_DDRMODE_CTL */ |
| 68 | DATA 4 0x020e0280 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS0_P */ |
| 69 | DATA 4 0x020e0284 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS1_P */ |
| 70 | |
| 71 | /* data */ |
| 72 | DATA 4 0x020E04B0 0x00020000 /* IOMUXC_SW_PAD_CTL_GRP_DDRMODE */ |
| 73 | DATA 4 0x020E0498 0x00000030 /* IOMUXC_SW_PAD_CTL_GRP_B0DS */ |
| 74 | DATA 4 0x020E04A4 0x00000030 /* IOMUXC_SW_PAD_CTL_GRP_B1DS */ |
| 75 | DATA 4 0x020E0244 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM0 */ |
| 76 | DATA 4 0x020E0248 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM1 */ |
| 77 | |
| 78 | /* |
| 79 | * DDR Controller Registers |
| 80 | * |
| 81 | * Manufacturer: IM |
| 82 | * Device Part Number: IME1G16D3EEBG-15EI |
| 83 | * Clock Freq.: 400MHz |
| 84 | * Density per CS in Gb: 1 |
| 85 | * Chip Selects used: 1 |
| 86 | * Number of Banks: 8 |
| 87 | * Row address: 13 |
| 88 | * Column address: 10 |
| 89 | * Data bus width 16 |
| 90 | */ |
| 91 | DATA 4 0x021b001c 0x00008000 /* MMDC0_MDSCR, set the Configuration request bit |
| 92 | during MMDC set up */ |
| 93 | |
| 94 | /* |
| 95 | * Calibration setup |
| 96 | */ |
| 97 | DATA 4 0x021b0800 0xA1390003 /* DDR_PHY_P0_MPZQHWCTRL, enable both one-time & |
| 98 | periodic HW ZQ calibration. */ |
| 99 | |
| 100 | /* |
| 101 | * For target board, may need to run write leveling calibration to fine tune |
| 102 | * these settings. |
| 103 | */ |
| 104 | DATA 4 0x021b080c 0x00000000 |
| 105 | |
| 106 | /* Read DQS Gating calibration */ |
| 107 | DATA 4 0x021b083c 0x4164015C /* MPDGCTRL0 PHY0 */ |
| 108 | |
| 109 | /* Read calibration */ |
| 110 | DATA 4 0x021b0848 0x40404446 /* MPRDDLCTL PHY0 */ |
| 111 | |
| 112 | /* Write calibration */ |
| 113 | DATA 4 0x021b0850 0x40405A52 /* MPWRDLCTL PHY0 */ |
| 114 | |
| 115 | /* |
| 116 | * read data bit delay: (3 is the reccommended default value, although out of |
| 117 | * reset value is 0) |
| 118 | */ |
| 119 | DATA 4 0x021b081c 0x33333333 /* DDR_PHY_P0_MPREDQBY0DL3 */ |
| 120 | DATA 4 0x021b0820 0x33333333 /* DDR_PHY_P0_MPREDQBY1DL3 */ |
| 121 | DATA 4 0x021b082c 0xF3333333 |
| 122 | DATA 4 0x021b0830 0xF3333333 |
| 123 | |
| 124 | DATA 4 0x021b08c0 0x00921012 |
| 125 | |
| 126 | /* Clock Fine Tuning */ |
| 127 | DATA 4 0x021B0858 0x00000F00 /* [MMDC_MPSDCTRL] MMDC PHY CK Control Register */ |
| 128 | |
| 129 | /* Complete calibration by forced measurement: */ |
| 130 | DATA 4 0x021b08b8 0x00000800 /* DDR_PHY_P0_MPMUR0, frc_msr */ |
| 131 | /* |
| 132 | * Calibration setup end |
| 133 | */ |
| 134 | |
| 135 | /* MMDC init: */ |
| 136 | DATA 4 0x021b0004 0x0002002D /* MMDC0_MDPDC */ |
| 137 | DATA 4 0x021b0008 0x1B333030 /* MMDC0_MDOTC */ |
| 138 | DATA 4 0x021b000c 0x3F4352F3 /* MMDC0_MDCFG0 */ |
| 139 | DATA 4 0x021b0010 0xB66D0B63 /* MMDC0_MDCFG1 */ |
| 140 | DATA 4 0x021b0014 0x01FF00DB /* MMDC0_MDCFG2 */ |
| 141 | |
| 142 | /* |
| 143 | * MDMISC: RALAT kept to the high level of 5. |
| 144 | * MDMISC: consider reducing RALAT if your 528MHz board design allow that. |
| 145 | * Lower RALAT benefits: |
| 146 | * a. better operation at low frequency, for LPDDR2 freq < 100MHz, change RALAT |
| 147 | * to 3 |
| 148 | * b. Small performence improvment |
| 149 | */ |
| 150 | DATA 4 0x021b0018 0x00201740 /* MMDC0_MDMISC */ |
| 151 | |
| 152 | DATA 4 0x021b001c 0x00008000 /* MMDC0_MDSCR, set the Configuration request bit |
| 153 | during MMDC set up */ |
| 154 | |
| 155 | DATA 4 0x021b002c 0x000026D2 /* MMDC0_MDRWD */ |
| 156 | DATA 4 0x021b0030 0x00431023 /* MMDC0_MDOR */ |
| 157 | DATA 4 0x021b0040 0x00000047 /* Chan0 CS0_END */ |
| 158 | DATA 4 0x021b0000 0x82180000 /* MMDC0_MDCTL */ |
| 159 | |
| 160 | /* Mode register writes */ |
| 161 | DATA 4 0x021b001c 0x02008032 /* MMDC0_MDSCR, MR2 write, CS0 */ |
| 162 | DATA 4 0x021b001c 0x00008033 /* MMDC0_MDSCR, MR3 write, CS0 */ |
| 163 | DATA 4 0x021b001c 0x00048031 /* MMDC0_MDSCR, MR1 write, CS0 */ |
| 164 | DATA 4 0x021b001c 0x15208030 /* MMDC0_MDSCR, MR0 write, CS0 */ |
| 165 | DATA 4 0x021b001c 0x04008040 /* MMDC0_MDSCR, ZQ calibration command sent to |
| 166 | device on CS0 */ |
| 167 | |
| 168 | DATA 4 0x021b0020 0x00000800 /* MMDC0_MDREF */ |
| 169 | DATA 4 0x021b0818 0x00000227 /* DDR_PHY_P0_MPODTCTRL */ |
| 170 | DATA 4 0x021b0004 0x0002556D /* MMDC0_MDPDC now SDCTL power down enabled */ |
| 171 | DATA 4 0x021b0404 0x00011006 /* MMDC0_MAPSR ADOPT power down enabled, MMDC will |
| 172 | enter automatically to self-refresh while the |
| 173 | number of idle cycle reached. */ |
| 174 | DATA 4 0x021b001c 0x00000000 /* MMDC0_MDSCR, clear this register (especially |
| 175 | the configuration bit as initialization is |
| 176 | complete) */ |