/* * Copyright (C) 2015-2016 Stefan Roese * * SPDX-License-Identifier: GPL-2.0+ * * Refer docs/README.imxmage for more details about how-to configure * and create imximage boot image * * The syntax is taken as close as possible with the kwbimage */ /* image version */ IMAGE_VERSION 2 /* * Boot Device : one of * sd, nand */ BOOT_FROM sd /* * Device Configuration Data (DCD) * * Each entry must have the format: * Addr-type Address Value * * where: * Addr-type register length (1,2 or 4 bytes) * Address absolute address of the register * value value to be stored in the register */ #define __ASSEMBLY__ #include /* Enable all clocks */ DATA 4 0x020c4068 0xffffffff DATA 4 0x020c406c 0xffffffff DATA 4 0x020c4070 0xffffffff DATA 4 0x020c4074 0xffffffff DATA 4 0x020c4078 0xffffffff DATA 4 0x020c407c 0xffffffff DATA 4 0x020c4080 0xffffffff DATA 4 0x020c4084 0xffffffff /* ddr io type */ DATA 4 0x020e04b4 0x000C0000 /* IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE */ DATA 4 0x020e04ac 0x00000000 /* IOMUXC_SW_PAD_CTL_GRP_DDRPKE */ /* clock */ DATA 4 0x020e027c 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK0_P */ /* control and address */ DATA 4 0x020E0250 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_CAS */ DATA 4 0x020E024C 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_RAS */ DATA 4 0x020E0490 0x00000030 /* IOMUXC_SW_PAD_CTL_GRP_ADDDS */ DATA 4 0x020E0288 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_RESET */ DATA 4 0x020E0270 0x00000000 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDBA2 - DSE can be configured using Group Control Register: IOMUXC_SW_PAD_CTL_GRP_CTLDS */ DATA 4 0x020E0260 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_ODT0 */ DATA 4 0x020E0264 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_ODT1 */ DATA 4 0x020E04A0 0x00000030 /* IOMUXC_SW_PAD_CTL_GRP_CTLDS */ /* data strobes */ DATA 4 0x020e0494 0x00020000 /* IOMUXC_SW_PAD_CTL_GRP_DDRMODE_CTL */ DATA 4 0x020e0280 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS0_P */ DATA 4 0x020e0284 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS1_P */ /* data */ DATA 4 0x020E04B0 0x00020000 /* IOMUXC_SW_PAD_CTL_GRP_DDRMODE */ DATA 4 0x020E0498 0x00000030 /* IOMUXC_SW_PAD_CTL_GRP_B0DS */ DATA 4 0x020E04A4 0x00000030 /* IOMUXC_SW_PAD_CTL_GRP_B1DS */ DATA 4 0x020E0244 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM0 */ DATA 4 0x020E0248 0x00000030 /* IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM1 */ /* * DDR Controller Registers * * Manufacturer: IM * Device Part Number: IME1G16D3EEBG-15EI * Clock Freq.: 400MHz * Density per CS in Gb: 1 * Chip Selects used: 1 * Number of Banks: 8 * Row address: 13 * Column address: 10 * Data bus width 16 */ DATA 4 0x021b001c 0x00008000 /* MMDC0_MDSCR, set the Configuration request bit during MMDC set up */ /* * Calibration setup */ DATA 4 0x021b0800 0xA1390003 /* DDR_PHY_P0_MPZQHWCTRL, enable both one-time & periodic HW ZQ calibration. */ /* * For target board, may need to run write leveling calibration to fine tune * these settings. */ DATA 4 0x021b080c 0x00000000 /* Read DQS Gating calibration */ DATA 4 0x021b083c 0x4164015C /* MPDGCTRL0 PHY0 */ /* Read calibration */ DATA 4 0x021b0848 0x40404446 /* MPRDDLCTL PHY0 */ /* Write calibration */ DATA 4 0x021b0850 0x40405A52 /* MPWRDLCTL PHY0 */ /* * read data bit delay: (3 is the reccommended default value, although out of * reset value is 0) */ DATA 4 0x021b081c 0x33333333 /* DDR_PHY_P0_MPREDQBY0DL3 */ DATA 4 0x021b0820 0x33333333 /* DDR_PHY_P0_MPREDQBY1DL3 */ DATA 4 0x021b082c 0xF3333333 DATA 4 0x021b0830 0xF3333333 DATA 4 0x021b08c0 0x00921012 /* Clock Fine Tuning */ DATA 4 0x021B0858 0x00000F00 /* [MMDC_MPSDCTRL] MMDC PHY CK Control Register */ /* Complete calibration by forced measurement: */ DATA 4 0x021b08b8 0x00000800 /* DDR_PHY_P0_MPMUR0, frc_msr */ /* * Calibration setup end */ /* MMDC init: */ DATA 4 0x021b0004 0x0002002D /* MMDC0_MDPDC */ DATA 4 0x021b0008 0x1B333030 /* MMDC0_MDOTC */ DATA 4 0x021b000c 0x3F4352F3 /* MMDC0_MDCFG0 */ DATA 4 0x021b0010 0xB66D0B63 /* MMDC0_MDCFG1 */ DATA 4 0x021b0014 0x01FF00DB /* MMDC0_MDCFG2 */ /* * MDMISC: RALAT kept to the high level of 5. * MDMISC: consider reducing RALAT if your 528MHz board design allow that. * Lower RALAT benefits: * a. better operation at low frequency, for LPDDR2 freq < 100MHz, change RALAT * to 3 * b. Small performence improvment */ DATA 4 0x021b0018 0x00201740 /* MMDC0_MDMISC */ DATA 4 0x021b001c 0x00008000 /* MMDC0_MDSCR, set the Configuration request bit during MMDC set up */ DATA 4 0x021b002c 0x000026D2 /* MMDC0_MDRWD */ DATA 4 0x021b0030 0x00431023 /* MMDC0_MDOR */ DATA 4 0x021b0040 0x00000047 /* Chan0 CS0_END */ DATA 4 0x021b0000 0x82180000 /* MMDC0_MDCTL */ /* Mode register writes */ DATA 4 0x021b001c 0x02008032 /* MMDC0_MDSCR, MR2 write, CS0 */ DATA 4 0x021b001c 0x00008033 /* MMDC0_MDSCR, MR3 write, CS0 */ DATA 4 0x021b001c 0x00048031 /* MMDC0_MDSCR, MR1 write, CS0 */ DATA 4 0x021b001c 0x15208030 /* MMDC0_MDSCR, MR0 write, CS0 */ DATA 4 0x021b001c 0x04008040 /* MMDC0_MDSCR, ZQ calibration command sent to device on CS0 */ DATA 4 0x021b0020 0x00000800 /* MMDC0_MDREF */ DATA 4 0x021b0818 0x00000227 /* DDR_PHY_P0_MPODTCTRL */ DATA 4 0x021b0004 0x0002556D /* MMDC0_MDPDC now SDCTL power down enabled */ DATA 4 0x021b0404 0x00011006 /* MMDC0_MAPSR ADOPT power down enabled, MMDC will enter automatically to self-refresh while the number of idle cycle reached. */ DATA 4 0x021b001c 0x00000000 /* MMDC0_MDSCR, clear this register (especially the configuration bit as initialization is complete) */