uboot/u-boot-stm32mp-2020.01/board/ccv/xpress/imximage.cfg

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright (C) 2015-2016 Stefan Roese <sr@denx.de>
 *
 * Refer doc/README.imximage 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 <config.h>

/* 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) */