imx: reorganize IMX code as other SOCs

Change is consistent with other SOCs and it is in preparation
for adding SOMs. SOC's related files are moved from cpu/ to
mach-imx/<SOC>.

This change is also coherent with the structure in kernel.

Signed-off-by: Stefano Babic <sbabic@denx.de>

CC: Fabio Estevam <fabio.estevam@nxp.com>
CC: Akshay Bhat <akshaybhat@timesys.com>
CC: Ken Lin <Ken.Lin@advantech.com.tw>
CC: Marek Vasut <marek.vasut@gmail.com>
CC: Heiko Schocher <hs@denx.de>
CC: "Sébastien Szymanski" <sebastien.szymanski@armadeus.com>
CC: Christian Gmeiner <christian.gmeiner@gmail.com>
CC: Stefan Roese <sr@denx.de>
CC: Patrick Bruenn <p.bruenn@beckhoff.com>
CC: Troy Kisky <troy.kisky@boundarydevices.com>
CC: Nikita Kiryanov <nikita@compulab.co.il>
CC: Otavio Salvador <otavio@ossystems.com.br>
CC: "Eric Bénard" <eric@eukrea.com>
CC: Jagan Teki <jagan@amarulasolutions.com>
CC: Ye Li <ye.li@nxp.com>
CC: Peng Fan <peng.fan@nxp.com>
CC: Adrian Alonso <adrian.alonso@nxp.com>
CC: Alison Wang <b18965@freescale.com>
CC: Tim Harvey <tharvey@gateworks.com>
CC: Martin Donnelly <martin.donnelly@ge.com>
CC: Marcin Niestroj <m.niestroj@grinn-global.com>
CC: Lukasz Majewski <lukma@denx.de>
CC: Adam Ford <aford173@gmail.com>
CC: "Albert ARIBAUD (3ADEV)" <albert.aribaud@3adev.fr>
CC: Boris Brezillon <boris.brezillon@free-electrons.com>
CC: Soeren Moch <smoch@web.de>
CC: Richard Hu <richard.hu@technexion.com>
CC: Wig Cheng <wig.cheng@technexion.com>
CC: Vanessa Maegima <vanessa.maegima@nxp.com>
CC: Max Krummenacher <max.krummenacher@toradex.com>
CC: Stefan Agner <stefan.agner@toradex.com>
CC: Markus Niebel <Markus.Niebel@tq-group.com>
CC: Breno Lima <breno.lima@nxp.com>
CC: Francesco Montefoschi <francesco.montefoschi@udoo.org>
CC: Jaehoon Chung <jh80.chung@samsung.com>
CC: Scott Wood <oss@buserror.net>
CC: Joe Hershberger <joe.hershberger@ni.com>
CC: Anatolij Gustschin <agust@denx.de>
CC: Simon Glass <sjg@chromium.org>
CC: "Andrew F. Davis" <afd@ti.com>
CC: "Łukasz Majewski" <l.majewski@samsung.com>
CC: Patrice Chotard <patrice.chotard@st.com>
CC: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
CC: Hans de Goede <hdegoede@redhat.com>
CC: Masahiro Yamada <yamada.masahiro@socionext.com>
CC: Stephen Warren <swarren@nvidia.com>
CC: Andre Przywara <andre.przywara@arm.com>
CC: "Álvaro Fernández Rojas" <noltari@gmail.com>
CC: York Sun <york.sun@nxp.com>
CC: Xiaoliang Yang <xiaoliang.yang@nxp.com>
CC: Chen-Yu Tsai <wens@csie.org>
CC: George McCollister <george.mccollister@gmail.com>
CC: Sven Ebenfeld <sven.ebenfeld@gmail.com>
CC: Filip Brozovic <fbrozovic@gmail.com>
CC: Petr Kulhavy <brain@jikos.cz>
CC: Eric Nelson <eric@nelint.com>
CC: Bai Ping <ping.bai@nxp.com>
CC: Anson Huang <Anson.Huang@nxp.com>
CC: Sanchayan Maity <maitysanchayan@gmail.com>
CC: Lokesh Vutla <lokeshvutla@ti.com>
CC: Patrick Delaunay <patrick.delaunay@st.com>
CC: Gary Bisson <gary.bisson@boundarydevices.com>
CC: Alexander Graf <agraf@suse.de>
CC: u-boot@lists.denx.de
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>

1 files changed, 0 insertions, 1538 deletions

diff --git a/arch/arm/cpu/armv7/mx6/ddr.c b/arch/arm/cpu/armv7/mx6/ddr.c
deleted file mode 100644
index 0cf391eb9c..0000000000
--- a/arch/arm/cpu/armv7/mx6/ddr.c
+++ /dev/null
@@ -1,1538 +0,0 @@
-/*
- * Copyright (C) 2014 Gateworks Corporation
- * Author: Tim Harvey <tharvey@gateworks.com>
- *
- * SPDX-License-Identifier:     GPL-2.0+
- */
-
-#include <common.h>
-#include <linux/types.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/mx6-ddr.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/io.h>
-#include <asm/types.h>
-#include <wait_bit.h>
-
-#if defined(CONFIG_MX6_DDRCAL)
-static void reset_read_data_fifos(void)
-{
-	struct mmdc_p_regs *mmdc0 = (struct mmdc_p_regs *)MMDC_P0_BASE_ADDR;
-
-	/* Reset data FIFOs twice. */
-	setbits_le32(&mmdc0->mpdgctrl0, 1 << 31);
-	wait_for_bit("MMDC", &mmdc0->mpdgctrl0, 1 << 31, 0, 100, 0);
-
-	setbits_le32(&mmdc0->mpdgctrl0, 1 << 31);
-	wait_for_bit("MMDC", &mmdc0->mpdgctrl0, 1 << 31, 0, 100, 0);
-}
-
-static void precharge_all(const bool cs0_enable, const bool cs1_enable)
-{
-	struct mmdc_p_regs *mmdc0 = (struct mmdc_p_regs *)MMDC_P0_BASE_ADDR;
-
-	/*
-	 * Issue the Precharge-All command to the DDR device for both
-	 * chip selects. Note, CON_REQ bit should also remain set. If
-	 * only using one chip select, then precharge only the desired
-	 * chip select.
-	 */
-	if (cs0_enable) { /* CS0 */
-		writel(0x04008050, &mmdc0->mdscr);
-		wait_for_bit("MMDC", &mmdc0->mdscr, 1 << 14, 1, 100, 0);
-	}
-
-	if (cs1_enable) { /* CS1 */
-		writel(0x04008058, &mmdc0->mdscr);
-		wait_for_bit("MMDC", &mmdc0->mdscr, 1 << 14, 1, 100, 0);
-	}
-}
-
-static void force_delay_measurement(int bus_size)
-{
-	struct mmdc_p_regs *mmdc0 = (struct mmdc_p_regs *)MMDC_P0_BASE_ADDR;
-	struct mmdc_p_regs *mmdc1 = (struct mmdc_p_regs *)MMDC_P1_BASE_ADDR;
-
-	writel(0x800, &mmdc0->mpmur0);
-	if (bus_size == 0x2)
-		writel(0x800, &mmdc1->mpmur0);
-}
-
-static void modify_dg_result(u32 *reg_st0, u32 *reg_st1, u32 *reg_ctrl)
-{
-	u32 dg_tmp_val, dg_dl_abs_offset, dg_hc_del, val_ctrl;
-
-	/*
-	 * DQS gating absolute offset should be modified from reflecting
-	 * (HW_DG_LOWx + HW_DG_UPx)/2 to reflecting (HW_DG_UPx - 0x80)
-	 */
-
-	val_ctrl = readl(reg_ctrl);
-	val_ctrl &= 0xf0000000;
-
-	dg_tmp_val = ((readl(reg_st0) & 0x07ff0000) >> 16) - 0xc0;
-	dg_dl_abs_offset = dg_tmp_val & 0x7f;
-	dg_hc_del = (dg_tmp_val & 0x780) << 1;
-
-	val_ctrl |= dg_dl_abs_offset + dg_hc_del;
-
-	dg_tmp_val = ((readl(reg_st1) & 0x07ff0000) >> 16) - 0xc0;
-	dg_dl_abs_offset = dg_tmp_val & 0x7f;
-	dg_hc_del = (dg_tmp_val & 0x780) << 1;
-
-	val_ctrl |= (dg_dl_abs_offset + dg_hc_del) << 16;
-
-	writel(val_ctrl, reg_ctrl);
-}
-
-int mmdc_do_write_level_calibration(struct mx6_ddr_sysinfo const *sysinfo)
-{
-	struct mmdc_p_regs *mmdc0 = (struct mmdc_p_regs *)MMDC_P0_BASE_ADDR;
-	struct mmdc_p_regs *mmdc1 = (struct mmdc_p_regs *)MMDC_P1_BASE_ADDR;
-	u32 esdmisc_val, zq_val;
-	u32 errors = 0;
-	u32 ldectrl[4] = {0};
-	u32 ddr_mr1 = 0x4;
-	u32 rwalat_max;
-
-	/*
-	 * Stash old values in case calibration fails,
-	 * we need to restore them
-	 */
-	ldectrl[0] = readl(&mmdc0->mpwldectrl0);
-	ldectrl[1] = readl(&mmdc0->mpwldectrl1);
-	if (sysinfo->dsize == 2) {
-		ldectrl[2] = readl(&mmdc1->mpwldectrl0);
-		ldectrl[3] = readl(&mmdc1->mpwldectrl1);
-	}
-
-	/* disable DDR logic power down timer */
-	clrbits_le32(&mmdc0->mdpdc, 0xff00);
-
-	/* disable Adopt power down timer */
-	setbits_le32(&mmdc0->mapsr, 0x1);
-
-	debug("Starting write leveling calibration.\n");
-
-	/*
-	 * 2. disable auto refresh and ZQ calibration
-	 * before proceeding with Write Leveling calibration
-	 */
-	esdmisc_val = readl(&mmdc0->mdref);
-	writel(0x0000C000, &mmdc0->mdref);
-	zq_val = readl(&mmdc0->mpzqhwctrl);
-	writel(zq_val & ~0x3, &mmdc0->mpzqhwctrl);
-
-	/* 3. increase walat and ralat to maximum */
-	rwalat_max = (1 << 6) | (1 << 7) | (1 << 8) | (1 << 16) | (1 << 17);
-	setbits_le32(&mmdc0->mdmisc, rwalat_max);
-	if (sysinfo->dsize == 2)
-		setbits_le32(&mmdc1->mdmisc, rwalat_max);
-	/*
-	 * 4 & 5. Configure the external DDR device to enter write-leveling
-	 * mode through Load Mode Register command.
-	 * Register setting:
-	 * Bits[31:16] MR1 value (0x0080 write leveling enable)
-	 * Bit[9] set WL_EN to enable MMDC DQS output
-	 * Bits[6:4] set CMD bits for Load Mode Register programming
-	 * Bits[2:0] set CMD_BA to 0x1 for DDR MR1 programming
-	 */
-	writel(0x00808231, &mmdc0->mdscr);
-
-	/* 6. Activate automatic calibration by setting MPWLGCR[HW_WL_EN] */
-	writel(0x00000001, &mmdc0->mpwlgcr);
-
-	/*
-	 * 7. Upon completion of this process the MMDC de-asserts
-	 * the MPWLGCR[HW_WL_EN]
-	 */
-	wait_for_bit("MMDC", &mmdc0->mpwlgcr, 1 << 0, 0, 100, 0);
-
-	/*
-	 * 8. check for any errors: check both PHYs for x64 configuration,
-	 * if x32, check only PHY0
-	 */
-	if (readl(&mmdc0->mpwlgcr) & 0x00000F00)
-		errors |= 1;
-	if (sysinfo->dsize == 2)
-		if (readl(&mmdc1->mpwlgcr) & 0x00000F00)
-			errors |= 2;
-
-	debug("Ending write leveling calibration. Error mask: 0x%x\n", errors);
-
-	/* check to see if cal failed */
-	if ((readl(&mmdc0->mpwldectrl0) == 0x001F001F) &&
-	    (readl(&mmdc0->mpwldectrl1) == 0x001F001F) &&
-	    ((sysinfo->dsize < 2) ||
-	     ((readl(&mmdc1->mpwldectrl0) == 0x001F001F) &&
-	      (readl(&mmdc1->mpwldectrl1) == 0x001F001F)))) {
-		debug("Cal seems to have soft-failed due to memory not supporting write leveling on all channels. Restoring original write leveling values.\n");
-		writel(ldectrl[0], &mmdc0->mpwldectrl0);
-		writel(ldectrl[1], &mmdc0->mpwldectrl1);
-		if (sysinfo->dsize == 2) {
-			writel(ldectrl[2], &mmdc1->mpwldectrl0);
-			writel(ldectrl[3], &mmdc1->mpwldectrl1);
-		}
-		errors |= 4;
-	}
-
-	/*
-	 * User should issue MRS command to exit write leveling mode
-	 * through Load Mode Register command
-	 * Register setting:
-	 * Bits[31:16] MR1 value "ddr_mr1" value from initialization
-	 * Bit[9] clear WL_EN to disable MMDC DQS output
-	 * Bits[6:4] set CMD bits for Load Mode Register programming
-	 * Bits[2:0] set CMD_BA to 0x1 for DDR MR1 programming
-	 */
-	writel((ddr_mr1 << 16) + 0x8031, &mmdc0->mdscr);
-
-	/* re-enable auto refresh and zq cal */
-	writel(esdmisc_val, &mmdc0->mdref);
-	writel(zq_val, &mmdc0->mpzqhwctrl);
-
-	debug("\tMMDC_MPWLDECTRL0 after write level cal: 0x%08X\n",
-	      readl(&mmdc0->mpwldectrl0));
-	debug("\tMMDC_MPWLDECTRL1 after write level cal: 0x%08X\n",
-	      readl(&mmdc0->mpwldectrl1));
-	if (sysinfo->dsize == 2) {
-		debug("\tMMDC_MPWLDECTRL0 after write level cal: 0x%08X\n",
-		      readl(&mmdc1->mpwldectrl0));
-		debug("\tMMDC_MPWLDECTRL1 after write level cal: 0x%08X\n",
-		      readl(&mmdc1->mpwldectrl1));
-	}
-
-	/* We must force a readback of these values, to get them to stick */
-	readl(&mmdc0->mpwldectrl0);
-	readl(&mmdc0->mpwldectrl1);
-	if (sysinfo->dsize == 2) {
-		readl(&mmdc1->mpwldectrl0);
-		readl(&mmdc1->mpwldectrl1);
-	}
-
-	/* enable DDR logic power down timer: */
-	setbits_le32(&mmdc0->mdpdc, 0x00005500);
-
-	/* Enable Adopt power down timer: */
-	clrbits_le32(&mmdc0->mapsr, 0x1);
-
-	/* Clear CON_REQ */
-	writel(0, &mmdc0->mdscr);
-
-	return errors;
-}
-
-int mmdc_do_dqs_calibration(struct mx6_ddr_sysinfo const *sysinfo)
-{
-	struct mmdc_p_regs *mmdc0 = (struct mmdc_p_regs *)MMDC_P0_BASE_ADDR;
-	struct mmdc_p_regs *mmdc1 = (struct mmdc_p_regs *)MMDC_P1_BASE_ADDR;
-	struct mx6dq_iomux_ddr_regs *mx6_ddr_iomux =
-		(struct mx6dq_iomux_ddr_regs *)MX6DQ_IOM_DDR_BASE;
-	bool cs0_enable;
-	bool cs1_enable;
-	bool cs0_enable_initial;
-	bool cs1_enable_initial;
-	u32 esdmisc_val;
-	u32 temp_ref;
-	u32 pddword = 0x00ffff00; /* best so far, place into MPPDCMPR1 */
-	u32 errors = 0;
-	u32 initdelay = 0x40404040;
-
-	/* check to see which chip selects are enabled */
-	cs0_enable_initial = readl(&mmdc0->mdctl) & 0x80000000;
-	cs1_enable_initial = readl(&mmdc0->mdctl) & 0x40000000;
-
-	/* disable DDR logic power down timer: */
-	clrbits_le32(&mmdc0->mdpdc, 0xff00);
-
-	/* disable Adopt power down timer: */
-	setbits_le32(&mmdc0->mapsr, 0x1);
-
-	/* set DQS pull ups */
-	setbits_le32(&mx6_ddr_iomux->dram_sdqs0, 0x7000);
-	setbits_le32(&mx6_ddr_iomux->dram_sdqs1, 0x7000);
-	setbits_le32(&mx6_ddr_iomux->dram_sdqs2, 0x7000);
-	setbits_le32(&mx6_ddr_iomux->dram_sdqs3, 0x7000);
-	setbits_le32(&mx6_ddr_iomux->dram_sdqs4, 0x7000);
-	setbits_le32(&mx6_ddr_iomux->dram_sdqs5, 0x7000);
-	setbits_le32(&mx6_ddr_iomux->dram_sdqs6, 0x7000);
-	setbits_le32(&mx6_ddr_iomux->dram_sdqs7, 0x7000);
-
-	/* Save old RALAT and WALAT values */
-	esdmisc_val = readl(&mmdc0->mdmisc);
-
-	setbits_le32(&mmdc0->mdmisc,
-		     (1 << 6) | (1 << 7) | (1 << 8) | (1 << 16) | (1 << 17));
-
-	/* Disable auto refresh before proceeding with calibration */
-	temp_ref = readl(&mmdc0->mdref);
-	writel(0x0000c000, &mmdc0->mdref);
-
-	/*
-	 * Per the ref manual, issue one refresh cycle MDSCR[CMD]= 0x2,
-	 * this also sets the CON_REQ bit.
-	 */
-	if (cs0_enable_initial)
-		writel(0x00008020, &mmdc0->mdscr);
-	if (cs1_enable_initial)
-		writel(0x00008028, &mmdc0->mdscr);
-
-	/* poll to make sure the con_ack bit was asserted */
-	wait_for_bit("MMDC", &mmdc0->mdscr, 1 << 14, 1, 100, 0);
-
-	/*
-	 * Check MDMISC register CALIB_PER_CS to see which CS calibration
-	 * is targeted to (under normal cases, it should be cleared
-	 * as this is the default value, indicating calibration is directed
-	 * to CS0).
-	 * Disable the other chip select not being target for calibration
-	 * to avoid any potential issues.  This will get re-enabled at end
-	 * of calibration.
-	 */
-	if ((readl(&mmdc0->mdmisc) & 0x00100000) == 0)
-		clrbits_le32(&mmdc0->mdctl, 1 << 30);	/* clear SDE_1 */
-	else
-		clrbits_le32(&mmdc0->mdctl, 1 << 31);	/* clear SDE_0 */
-
-	/*
-	 * Check to see which chip selects are now enabled for
-	 * the remainder of the calibration.
-	 */
-	cs0_enable = readl(&mmdc0->mdctl) & 0x80000000;
-	cs1_enable = readl(&mmdc0->mdctl) & 0x40000000;
-
-	precharge_all(cs0_enable, cs1_enable);
-
-	/* Write the pre-defined value into MPPDCMPR1 */
-	writel(pddword, &mmdc0->mppdcmpr1);
-
-	/*
-	 * Issue a write access to the external DDR device by setting
-	 * the bit SW_DUMMY_WR (bit 0) in the MPSWDAR0 and then poll
-	 * this bit until it clears to indicate completion of the write access.
-	 */
-	setbits_le32(&mmdc0->mpswdar0, 1);
-	wait_for_bit("MMDC", &mmdc0->mpswdar0, 1 << 0, 0, 100, 0);
-
-	/* Set the RD_DL_ABS# bits to their default values
-	 * (will be calibrated later in the read delay-line calibration).
-	 * Both PHYs for x64 configuration, if x32, do only PHY0.
-	 */
-	writel(initdelay, &mmdc0->mprddlctl);
-	if (sysinfo->dsize == 0x2)
-		writel(initdelay, &mmdc1->mprddlctl);
-
-	/* Force a measurment, for previous delay setup to take effect. */
-	force_delay_measurement(sysinfo->dsize);
-
-	/*
-	 * ***************************
-	 * Read DQS Gating calibration
-	 * ***************************
-	 */
-	debug("Starting Read DQS Gating calibration.\n");
-
-	/*
-	 * Reset the read data FIFOs (two resets); only need to issue reset
-	 * to PHY0 since in x64 mode, the reset will also go to PHY1.
-	 */
-	reset_read_data_fifos();
-
-	/*
-	 * Start the automatic read DQS gating calibration process by
-	 * asserting MPDGCTRL0[HW_DG_EN] and MPDGCTRL0[DG_CMP_CYC]
-	 * and then poll MPDGCTRL0[HW_DG_EN]] until this bit clears
-	 * to indicate completion.
-	 * Also, ensure that MPDGCTRL0[HW_DG_ERR] is clear to indicate
-	 * no errors were seen during calibration.
-	 */
-
-	/*
-	 * Set bit 30: chooses option to wait 32 cycles instead of
-	 * 16 before comparing read data.
-	 */
-	setbits_le32(&mmdc0->mpdgctrl0, 1 << 30);
-	if (sysinfo->dsize == 2)
-		setbits_le32(&mmdc1->mpdgctrl0, 1 << 30);
-
-	/* Set bit 28 to start automatic read DQS gating calibration */
-	setbits_le32(&mmdc0->mpdgctrl0, 5 << 28);
-
-	/* Poll for completion.  MPDGCTRL0[HW_DG_EN] should be 0 */
-	wait_for_bit("MMDC", &mmdc0->mpdgctrl0, 1 << 28, 0, 100, 0);
-
-	/*
-	 * Check to see if any errors were encountered during calibration
-	 * (check MPDGCTRL0[HW_DG_ERR]).
-	 * Check both PHYs for x64 configuration, if x32, check only PHY0.
-	 */
-	if (readl(&mmdc0->mpdgctrl0) & 0x00001000)
-		errors |= 1;
-
-	if ((sysinfo->dsize == 0x2) && (readl(&mmdc1->mpdgctrl0) & 0x00001000))
-		errors |= 2;
-
-	/* now disable mpdgctrl0[DG_CMP_CYC] */
-	clrbits_le32(&mmdc0->mpdgctrl0, 1 << 30);
-	if (sysinfo->dsize == 2)
-		clrbits_le32(&mmdc1->mpdgctrl0, 1 << 30);
-
-	/*
-	 * DQS gating absolute offset should be modified from
-	 * reflecting (HW_DG_LOWx + HW_DG_UPx)/2 to
-	 * reflecting (HW_DG_UPx - 0x80)
-	 */
-	modify_dg_result(&mmdc0->mpdghwst0, &mmdc0->mpdghwst1,
-			 &mmdc0->mpdgctrl0);
-	modify_dg_result(&mmdc0->mpdghwst2, &mmdc0->mpdghwst3,
-			 &mmdc0->mpdgctrl1);
-	if (sysinfo->dsize == 0x2) {
-		modify_dg_result(&mmdc1->mpdghwst0, &mmdc1->mpdghwst1,
-				 &mmdc1->mpdgctrl0);
-		modify_dg_result(&mmdc1->mpdghwst2, &mmdc1->mpdghwst3,
-				 &mmdc1->mpdgctrl1);
-	}
-	debug("Ending Read DQS Gating calibration. Error mask: 0x%x\n", errors);
-
-	/*
-	 * **********************
-	 * Read Delay calibration
-	 * **********************
-	 */
-	debug("Starting Read Delay calibration.\n");
-
-	reset_read_data_fifos();
-
-	/*
-	 * 4. Issue the Precharge-All command to the DDR device for both
-	 * chip selects.  If only using one chip select, then precharge
-	 * only the desired chip select.
-	 */
-	precharge_all(cs0_enable, cs1_enable);
-
-	/*
-	 * 9. Read delay-line calibration
-	 * Start the automatic read calibration process by asserting
-	 * MPRDDLHWCTL[HW_RD_DL_EN].
-	 */
-	writel(0x00000030, &mmdc0->mprddlhwctl);
-
-	/*
-	 * 10. poll for completion
-	 * MMDC indicates that the write data calibration had finished by
-	 * setting MPRDDLHWCTL[HW_RD_DL_EN] = 0.   Also, ensure that
-	 * no error bits were set.
-	 */
-	wait_for_bit("MMDC", &mmdc0->mprddlhwctl, 1 << 4, 0, 100, 0);
-
-	/* check both PHYs for x64 configuration, if x32, check only PHY0 */
-	if (readl(&mmdc0->mprddlhwctl) & 0x0000000f)
-		errors |= 4;
-
-	if ((sysinfo->dsize == 0x2) &&
-	    (readl(&mmdc1->mprddlhwctl) & 0x0000000f))
-		errors |= 8;
-
-	debug("Ending Read Delay calibration. Error mask: 0x%x\n", errors);
-
-	/*
-	 * ***********************
-	 * Write Delay Calibration
-	 * ***********************
-	 */
-	debug("Starting Write Delay calibration.\n");
-
-	reset_read_data_fifos();
-
-	/*
-	 * 4. Issue the Precharge-All command to the DDR device for both
-	 * chip selects. If only using one chip select, then precharge
-	 * only the desired chip select.
-	 */
-	precharge_all(cs0_enable, cs1_enable);
-
-	/*
-	 * 8. Set the WR_DL_ABS# bits to their default values.
-	 * Both PHYs for x64 configuration, if x32, do only PHY0.
-	 */
-	writel(initdelay, &mmdc0->mpwrdlctl);
-	if (sysinfo->dsize == 0x2)
-		writel(initdelay, &mmdc1->mpwrdlctl);
-
-	/*
-	 * XXX This isn't in the manual. Force a measurement,
-	 * for previous delay setup to effect.
-	 */
-	force_delay_measurement(sysinfo->dsize);
-
-	/*
-	 * 9. 10. Start the automatic write calibration process
-	 * by asserting MPWRDLHWCTL0[HW_WR_DL_EN].
-	 */
-	writel(0x00000030, &mmdc0->mpwrdlhwctl);
-
-	/*
-	 * Poll for completion.
-	 * MMDC indicates that the write data calibration had finished
-	 * by setting MPWRDLHWCTL[HW_WR_DL_EN] = 0.
-	 * Also, ensure that no error bits were set.
-	 */
-	wait_for_bit("MMDC", &mmdc0->mpwrdlhwctl, 1 << 4, 0, 100, 0);
-
-	/* Check both PHYs for x64 configuration, if x32, check only PHY0 */
-	if (readl(&mmdc0->mpwrdlhwctl) & 0x0000000f)
-		errors |= 16;
-
-	if ((sysinfo->dsize == 0x2) &&
-	    (readl(&mmdc1->mpwrdlhwctl) & 0x0000000f))
-		errors |= 32;
-
-	debug("Ending Write Delay calibration. Error mask: 0x%x\n", errors);
-
-	reset_read_data_fifos();
-
-	/* Enable DDR logic power down timer */
-	setbits_le32(&mmdc0->mdpdc, 0x00005500);
-
-	/* Enable Adopt power down timer */
-	clrbits_le32(&mmdc0->mapsr, 0x1);
-
-	/* Restore MDMISC value (RALAT, WALAT) to MMDCP1 */
-	writel(esdmisc_val, &mmdc0->mdmisc);
-
-	/* Clear DQS pull ups */
-	clrbits_le32(&mx6_ddr_iomux->dram_sdqs0, 0x7000);
-	clrbits_le32(&mx6_ddr_iomux->dram_sdqs1, 0x7000);
-	clrbits_le32(&mx6_ddr_iomux->dram_sdqs2, 0x7000);
-	clrbits_le32(&mx6_ddr_iomux->dram_sdqs3, 0x7000);
-	clrbits_le32(&mx6_ddr_iomux->dram_sdqs4, 0x7000);
-	clrbits_le32(&mx6_ddr_iomux->dram_sdqs5, 0x7000);
-	clrbits_le32(&mx6_ddr_iomux->dram_sdqs6, 0x7000);
-	clrbits_le32(&mx6_ddr_iomux->dram_sdqs7, 0x7000);
-
-	/* Re-enable SDE (chip selects) if they were set initially */
-	if (cs1_enable_initial)
-		/* Set SDE_1 */
-		setbits_le32(&mmdc0->mdctl, 1 << 30);
-
-	if (cs0_enable_initial)
-		/* Set SDE_0 */
-		setbits_le32(&mmdc0->mdctl, 1 << 31);
-
-	/* Re-enable to auto refresh */
-	writel(temp_ref, &mmdc0->mdref);
-
-	/* Clear the MDSCR (including the con_req bit) */
-	writel(0x0, &mmdc0->mdscr);	/* CS0 */
-
-	/* Poll to make sure the con_ack bit is clear */
-	wait_for_bit("MMDC", &mmdc0->mdscr, 1 << 14, 0, 100, 0);
-
-	/*
-	 * Print out the registers that were updated as a result
-	 * of the calibration process.
-	 */
-	debug("MMDC registers updated from calibration\n");
-	debug("Read DQS gating calibration:\n");
-	debug("\tMPDGCTRL0 PHY0 = 0x%08X\n", readl(&mmdc0->mpdgctrl0));
-	debug("\tMPDGCTRL1 PHY0 = 0x%08X\n", readl(&mmdc0->mpdgctrl1));
-	if (sysinfo->dsize == 2) {
-		debug("\tMPDGCTRL0 PHY1 = 0x%08X\n", readl(&mmdc1->mpdgctrl0));
-		debug("\tMPDGCTRL1 PHY1 = 0x%08X\n", readl(&mmdc1->mpdgctrl1));
-	}
-	debug("Read calibration:\n");
-	debug("\tMPRDDLCTL PHY0 = 0x%08X\n", readl(&mmdc0->mprddlctl));
-	if (sysinfo->dsize == 2)
-		debug("\tMPRDDLCTL PHY1 = 0x%08X\n", readl(&mmdc1->mprddlctl));
-	debug("Write calibration:\n");
-	debug("\tMPWRDLCTL PHY0 = 0x%08X\n", readl(&mmdc0->mpwrdlctl));
-	if (sysinfo->dsize == 2)
-		debug("\tMPWRDLCTL PHY1 = 0x%08X\n", readl(&mmdc1->mpwrdlctl));
-
-	/*
-	 * Registers below are for debugging purposes.  These print out
-	 * the upper and lower boundaries captured during
-	 * read DQS gating calibration.
-	 */
-	debug("Status registers bounds for read DQS gating:\n");
-	debug("\tMPDGHWST0 PHY0 = 0x%08x\n", readl(&mmdc0->mpdghwst0));
-	debug("\tMPDGHWST1 PHY0 = 0x%08x\n", readl(&mmdc0->mpdghwst1));
-	debug("\tMPDGHWST2 PHY0 = 0x%08x\n", readl(&mmdc0->mpdghwst2));
-	debug("\tMPDGHWST3 PHY0 = 0x%08x\n", readl(&mmdc0->mpdghwst3));
-	if (sysinfo->dsize == 2) {
-		debug("\tMPDGHWST0 PHY1 = 0x%08x\n", readl(&mmdc1->mpdghwst0));
-		debug("\tMPDGHWST1 PHY1 = 0x%08x\n", readl(&mmdc1->mpdghwst1));
-		debug("\tMPDGHWST2 PHY1 = 0x%08x\n", readl(&mmdc1->mpdghwst2));
-		debug("\tMPDGHWST3 PHY1 = 0x%08x\n", readl(&mmdc1->mpdghwst3));
-	}
-
-	debug("Final do_dqs_calibration error mask: 0x%x\n", errors);
-
-	return errors;
-}
-#endif
-
-#if defined(CONFIG_MX6SX)
-/* Configure MX6SX mmdc iomux */
-void mx6sx_dram_iocfg(unsigned width,
-		      const struct mx6sx_iomux_ddr_regs *ddr,
-		      const struct mx6sx_iomux_grp_regs *grp)
-{
-	struct mx6sx_iomux_ddr_regs *mx6_ddr_iomux;
-	struct mx6sx_iomux_grp_regs *mx6_grp_iomux;
-
-	mx6_ddr_iomux = (struct mx6sx_iomux_ddr_regs *)MX6SX_IOM_DDR_BASE;
-	mx6_grp_iomux = (struct mx6sx_iomux_grp_regs *)MX6SX_IOM_GRP_BASE;
-
-	/* DDR IO TYPE */
-	writel(grp->grp_ddr_type, &mx6_grp_iomux->grp_ddr_type);
-	writel(grp->grp_ddrpke, &mx6_grp_iomux->grp_ddrpke);
-
-	/* CLOCK */
-	writel(ddr->dram_sdclk_0, &mx6_ddr_iomux->dram_sdclk_0);
-
-	/* ADDRESS */
-	writel(ddr->dram_cas, &mx6_ddr_iomux->dram_cas);
-	writel(ddr->dram_ras, &mx6_ddr_iomux->dram_ras);
-	writel(grp->grp_addds, &mx6_grp_iomux->grp_addds);
-
-	/* Control */
-	writel(ddr->dram_reset, &mx6_ddr_iomux->dram_reset);
-	writel(ddr->dram_sdba2, &mx6_ddr_iomux->dram_sdba2);
-	writel(ddr->dram_sdcke0, &mx6_ddr_iomux->dram_sdcke0);
-	writel(ddr->dram_sdcke1, &mx6_ddr_iomux->dram_sdcke1);
-	writel(ddr->dram_odt0, &mx6_ddr_iomux->dram_odt0);
-	writel(ddr->dram_odt1, &mx6_ddr_iomux->dram_odt1);
-	writel(grp->grp_ctlds, &mx6_grp_iomux->grp_ctlds);
-
-	/* Data Strobes */
-	writel(grp->grp_ddrmode_ctl, &mx6_grp_iomux->grp_ddrmode_ctl);
-	writel(ddr->dram_sdqs0, &mx6_ddr_iomux->dram_sdqs0);
-	writel(ddr->dram_sdqs1, &mx6_ddr_iomux->dram_sdqs1);
-	if (width >= 32) {
-		writel(ddr->dram_sdqs2, &mx6_ddr_iomux->dram_sdqs2);
-		writel(ddr->dram_sdqs3, &mx6_ddr_iomux->dram_sdqs3);
-	}
-
-	/* Data */
-	writel(grp->grp_ddrmode, &mx6_grp_iomux->grp_ddrmode);
-	writel(grp->grp_b0ds, &mx6_grp_iomux->grp_b0ds);
-	writel(grp->grp_b1ds, &mx6_grp_iomux->grp_b1ds);
-	if (width >= 32) {
-		writel(grp->grp_b2ds, &mx6_grp_iomux->grp_b2ds);
-		writel(grp->grp_b3ds, &mx6_grp_iomux->grp_b3ds);
-	}
-	writel(ddr->dram_dqm0, &mx6_ddr_iomux->dram_dqm0);
-	writel(ddr->dram_dqm1, &mx6_ddr_iomux->dram_dqm1);
-	if (width >= 32) {
-		writel(ddr->dram_dqm2, &mx6_ddr_iomux->dram_dqm2);
-		writel(ddr->dram_dqm3, &mx6_ddr_iomux->dram_dqm3);
-	}
-}
-#endif
-
-#ifdef CONFIG_MX6UL
-void mx6ul_dram_iocfg(unsigned width,
-		      const struct mx6ul_iomux_ddr_regs *ddr,
-		      const struct mx6ul_iomux_grp_regs *grp)
-{
-	struct mx6ul_iomux_ddr_regs *mx6_ddr_iomux;
-	struct mx6ul_iomux_grp_regs *mx6_grp_iomux;
-
-	mx6_ddr_iomux = (struct mx6ul_iomux_ddr_regs *)MX6UL_IOM_DDR_BASE;
-	mx6_grp_iomux = (struct mx6ul_iomux_grp_regs *)MX6UL_IOM_GRP_BASE;
-
-	/* DDR IO TYPE */
-	writel(grp->grp_ddr_type, &mx6_grp_iomux->grp_ddr_type);
-	writel(grp->grp_ddrpke, &mx6_grp_iomux->grp_ddrpke);
-
-	/* CLOCK */
-	writel(ddr->dram_sdclk_0, &mx6_ddr_iomux->dram_sdclk_0);
-
-	/* ADDRESS */
-	writel(ddr->dram_cas, &mx6_ddr_iomux->dram_cas);
-	writel(ddr->dram_ras, &mx6_ddr_iomux->dram_ras);
-	writel(grp->grp_addds, &mx6_grp_iomux->grp_addds);
-
-	/* Control */
-	writel(ddr->dram_reset, &mx6_ddr_iomux->dram_reset);
-	writel(ddr->dram_sdba2, &mx6_ddr_iomux->dram_sdba2);
-	writel(ddr->dram_odt0, &mx6_ddr_iomux->dram_odt0);
-	writel(ddr->dram_odt1, &mx6_ddr_iomux->dram_odt1);
-	writel(grp->grp_ctlds, &mx6_grp_iomux->grp_ctlds);
-
-	/* Data Strobes */
-	writel(grp->grp_ddrmode_ctl, &mx6_grp_iomux->grp_ddrmode_ctl);
-	writel(ddr->dram_sdqs0, &mx6_ddr_iomux->dram_sdqs0);
-	writel(ddr->dram_sdqs1, &mx6_ddr_iomux->dram_sdqs1);
-
-	/* Data */
-	writel(grp->grp_ddrmode, &mx6_grp_iomux->grp_ddrmode);
-	writel(grp->grp_b0ds, &mx6_grp_iomux->grp_b0ds);
-	writel(grp->grp_b1ds, &mx6_grp_iomux->grp_b1ds);
-	writel(ddr->dram_dqm0, &mx6_ddr_iomux->dram_dqm0);
-	writel(ddr->dram_dqm1, &mx6_ddr_iomux->dram_dqm1);
-}
-#endif
-
-#if defined(CONFIG_MX6SL)
-void mx6sl_dram_iocfg(unsigned width,
-		      const struct mx6sl_iomux_ddr_regs *ddr,
-		      const struct mx6sl_iomux_grp_regs *grp)
-{
-	struct mx6sl_iomux_ddr_regs *mx6_ddr_iomux;
-	struct mx6sl_iomux_grp_regs *mx6_grp_iomux;
-
-	mx6_ddr_iomux = (struct mx6sl_iomux_ddr_regs *)MX6SL_IOM_DDR_BASE;
-	mx6_grp_iomux = (struct mx6sl_iomux_grp_regs *)MX6SL_IOM_GRP_BASE;
-
-	/* DDR IO TYPE */
-	mx6_grp_iomux->grp_ddr_type = grp->grp_ddr_type;
-	mx6_grp_iomux->grp_ddrpke = grp->grp_ddrpke;
-
-	/* CLOCK */
-	mx6_ddr_iomux->dram_sdclk_0 = ddr->dram_sdclk_0;
-
-	/* ADDRESS */
-	mx6_ddr_iomux->dram_cas = ddr->dram_cas;
-	mx6_ddr_iomux->dram_ras = ddr->dram_ras;
-	mx6_grp_iomux->grp_addds = grp->grp_addds;
-
-	/* Control */
-	mx6_ddr_iomux->dram_reset = ddr->dram_reset;
-	mx6_ddr_iomux->dram_sdba2 = ddr->dram_sdba2;
-	mx6_grp_iomux->grp_ctlds = grp->grp_ctlds;
-
-	/* Data Strobes */
-	mx6_grp_iomux->grp_ddrmode_ctl = grp->grp_ddrmode_ctl;
-	mx6_ddr_iomux->dram_sdqs0 = ddr->dram_sdqs0;
-	mx6_ddr_iomux->dram_sdqs1 = ddr->dram_sdqs1;
-	if (width >= 32) {
-		mx6_ddr_iomux->dram_sdqs2 = ddr->dram_sdqs2;
-		mx6_ddr_iomux->dram_sdqs3 = ddr->dram_sdqs3;
-	}
-
-	/* Data */
-	mx6_grp_iomux->grp_ddrmode = grp->grp_ddrmode;
-	mx6_grp_iomux->grp_b0ds = grp->grp_b0ds;
-	mx6_grp_iomux->grp_b1ds = grp->grp_b1ds;
-	if (width >= 32) {
-		mx6_grp_iomux->grp_b2ds = grp->grp_b2ds;
-		mx6_grp_iomux->grp_b3ds = grp->grp_b3ds;
-	}
-
-	mx6_ddr_iomux->dram_dqm0 = ddr->dram_dqm0;
-	mx6_ddr_iomux->dram_dqm1 = ddr->dram_dqm1;
-	if (width >= 32) {
-		mx6_ddr_iomux->dram_dqm2 = ddr->dram_dqm2;
-		mx6_ddr_iomux->dram_dqm3 = ddr->dram_dqm3;
-	}
-}
-#endif
-
-#if defined(CONFIG_MX6QDL) || defined(CONFIG_MX6Q) || defined(CONFIG_MX6D)
-/* Configure MX6DQ mmdc iomux */
-void mx6dq_dram_iocfg(unsigned width,
-		      const struct mx6dq_iomux_ddr_regs *ddr,
-		      const struct mx6dq_iomux_grp_regs *grp)
-{
-	volatile struct mx6dq_iomux_ddr_regs *mx6_ddr_iomux;
-	volatile struct mx6dq_iomux_grp_regs *mx6_grp_iomux;
-
-	mx6_ddr_iomux = (struct mx6dq_iomux_ddr_regs *)MX6DQ_IOM_DDR_BASE;
-	mx6_grp_iomux = (struct mx6dq_iomux_grp_regs *)MX6DQ_IOM_GRP_BASE;
-
-	/* DDR IO Type */
-	mx6_grp_iomux->grp_ddr_type = grp->grp_ddr_type;
-	mx6_grp_iomux->grp_ddrpke = grp->grp_ddrpke;
-
-	/* Clock */
-	mx6_ddr_iomux->dram_sdclk_0 = ddr->dram_sdclk_0;
-	mx6_ddr_iomux->dram_sdclk_1 = ddr->dram_sdclk_1;
-
-	/* Address */
-	mx6_ddr_iomux->dram_cas = ddr->dram_cas;
-	mx6_ddr_iomux->dram_ras = ddr->dram_ras;
-	mx6_grp_iomux->grp_addds = grp->grp_addds;
-
-	/* Control */
-	mx6_ddr_iomux->dram_reset = ddr->dram_reset;
-	mx6_ddr_iomux->dram_sdcke0 = ddr->dram_sdcke0;
-	mx6_ddr_iomux->dram_sdcke1 = ddr->dram_sdcke1;
-	mx6_ddr_iomux->dram_sdba2 = ddr->dram_sdba2;
-	mx6_ddr_iomux->dram_sdodt0 = ddr->dram_sdodt0;
-	mx6_ddr_iomux->dram_sdodt1 = ddr->dram_sdodt1;
-	mx6_grp_iomux->grp_ctlds = grp->grp_ctlds;
-
-	/* Data Strobes */
-	mx6_grp_iomux->grp_ddrmode_ctl = grp->grp_ddrmode_ctl;
-	mx6_ddr_iomux->dram_sdqs0 = ddr->dram_sdqs0;
-	mx6_ddr_iomux->dram_sdqs1 = ddr->dram_sdqs1;
-	if (width >= 32) {
-		mx6_ddr_iomux->dram_sdqs2 = ddr->dram_sdqs2;
-		mx6_ddr_iomux->dram_sdqs3 = ddr->dram_sdqs3;
-	}
-	if (width >= 64) {
-		mx6_ddr_iomux->dram_sdqs4 = ddr->dram_sdqs4;
-		mx6_ddr_iomux->dram_sdqs5 = ddr->dram_sdqs5;
-		mx6_ddr_iomux->dram_sdqs6 = ddr->dram_sdqs6;
-		mx6_ddr_iomux->dram_sdqs7 = ddr->dram_sdqs7;
-	}
-
-	/* Data */
-	mx6_grp_iomux->grp_ddrmode = grp->grp_ddrmode;
-	mx6_grp_iomux->grp_b0ds = grp->grp_b0ds;
-	mx6_grp_iomux->grp_b1ds = grp->grp_b1ds;
-	if (width >= 32) {
-		mx6_grp_iomux->grp_b2ds = grp->grp_b2ds;
-		mx6_grp_iomux->grp_b3ds = grp->grp_b3ds;
-	}
-	if (width >= 64) {
-		mx6_grp_iomux->grp_b4ds = grp->grp_b4ds;
-		mx6_grp_iomux->grp_b5ds = grp->grp_b5ds;
-		mx6_grp_iomux->grp_b6ds = grp->grp_b6ds;
-		mx6_grp_iomux->grp_b7ds = grp->grp_b7ds;
-	}
-	mx6_ddr_iomux->dram_dqm0 = ddr->dram_dqm0;
-	mx6_ddr_iomux->dram_dqm1 = ddr->dram_dqm1;
-	if (width >= 32) {
-		mx6_ddr_iomux->dram_dqm2 = ddr->dram_dqm2;
-		mx6_ddr_iomux->dram_dqm3 = ddr->dram_dqm3;
-	}
-	if (width >= 64) {
-		mx6_ddr_iomux->dram_dqm4 = ddr->dram_dqm4;
-		mx6_ddr_iomux->dram_dqm5 = ddr->dram_dqm5;
-		mx6_ddr_iomux->dram_dqm6 = ddr->dram_dqm6;
-		mx6_ddr_iomux->dram_dqm7 = ddr->dram_dqm7;
-	}
-}
-#endif
-
-#if defined(CONFIG_MX6QDL) || defined(CONFIG_MX6DL) || defined(CONFIG_MX6S)
-/* Configure MX6SDL mmdc iomux */
-void mx6sdl_dram_iocfg(unsigned width,
-		       const struct mx6sdl_iomux_ddr_regs *ddr,
-		       const struct mx6sdl_iomux_grp_regs *grp)
-{
-	volatile struct mx6sdl_iomux_ddr_regs *mx6_ddr_iomux;
-	volatile struct mx6sdl_iomux_grp_regs *mx6_grp_iomux;
-
-	mx6_ddr_iomux = (struct mx6sdl_iomux_ddr_regs *)MX6SDL_IOM_DDR_BASE;
-	mx6_grp_iomux = (struct mx6sdl_iomux_grp_regs *)MX6SDL_IOM_GRP_BASE;
-
-	/* DDR IO Type */
-	mx6_grp_iomux->grp_ddr_type = grp->grp_ddr_type;
-	mx6_grp_iomux->grp_ddrpke = grp->grp_ddrpke;
-
-	/* Clock */
-	mx6_ddr_iomux->dram_sdclk_0 = ddr->dram_sdclk_0;
-	mx6_ddr_iomux->dram_sdclk_1 = ddr->dram_sdclk_1;
-
-	/* Address */
-	mx6_ddr_iomux->dram_cas = ddr->dram_cas;
-	mx6_ddr_iomux->dram_ras = ddr->dram_ras;
-	mx6_grp_iomux->grp_addds = grp->grp_addds;
-
-	/* Control */
-	mx6_ddr_iomux->dram_reset = ddr->dram_reset;
-	mx6_ddr_iomux->dram_sdcke0 = ddr->dram_sdcke0;
-	mx6_ddr_iomux->dram_sdcke1 = ddr->dram_sdcke1;
-	mx6_ddr_iomux->dram_sdba2 = ddr->dram_sdba2;
-	mx6_ddr_iomux->dram_sdodt0 = ddr->dram_sdodt0;
-	mx6_ddr_iomux->dram_sdodt1 = ddr->dram_sdodt1;
-	mx6_grp_iomux->grp_ctlds = grp->grp_ctlds;
-
-	/* Data Strobes */
-	mx6_grp_iomux->grp_ddrmode_ctl = grp->grp_ddrmode_ctl;
-	mx6_ddr_iomux->dram_sdqs0 = ddr->dram_sdqs0;
-	mx6_ddr_iomux->dram_sdqs1 = ddr->dram_sdqs1;
-	if (width >= 32) {
-		mx6_ddr_iomux->dram_sdqs2 = ddr->dram_sdqs2;
-		mx6_ddr_iomux->dram_sdqs3 = ddr->dram_sdqs3;
-	}
-	if (width >= 64) {
-		mx6_ddr_iomux->dram_sdqs4 = ddr->dram_sdqs4;
-		mx6_ddr_iomux->dram_sdqs5 = ddr->dram_sdqs5;
-		mx6_ddr_iomux->dram_sdqs6 = ddr->dram_sdqs6;
-		mx6_ddr_iomux->dram_sdqs7 = ddr->dram_sdqs7;
-	}
-
-	/* Data */
-	mx6_grp_iomux->grp_ddrmode = grp->grp_ddrmode;
-	mx6_grp_iomux->grp_b0ds = grp->grp_b0ds;
-	mx6_grp_iomux->grp_b1ds = grp->grp_b1ds;
-	if (width >= 32) {
-		mx6_grp_iomux->grp_b2ds = grp->grp_b2ds;
-		mx6_grp_iomux->grp_b3ds = grp->grp_b3ds;
-	}
-	if (width >= 64) {
-		mx6_grp_iomux->grp_b4ds = grp->grp_b4ds;
-		mx6_grp_iomux->grp_b5ds = grp->grp_b5ds;
-		mx6_grp_iomux->grp_b6ds = grp->grp_b6ds;
-		mx6_grp_iomux->grp_b7ds = grp->grp_b7ds;
-	}
-	mx6_ddr_iomux->dram_dqm0 = ddr->dram_dqm0;
-	mx6_ddr_iomux->dram_dqm1 = ddr->dram_dqm1;
-	if (width >= 32) {
-		mx6_ddr_iomux->dram_dqm2 = ddr->dram_dqm2;
-		mx6_ddr_iomux->dram_dqm3 = ddr->dram_dqm3;
-	}
-	if (width >= 64) {
-		mx6_ddr_iomux->dram_dqm4 = ddr->dram_dqm4;
-		mx6_ddr_iomux->dram_dqm5 = ddr->dram_dqm5;
-		mx6_ddr_iomux->dram_dqm6 = ddr->dram_dqm6;
-		mx6_ddr_iomux->dram_dqm7 = ddr->dram_dqm7;
-	}
-}
-#endif
-
-/*
- * Configure mx6 mmdc registers based on:
- *  - board-specific memory configuration
- *  - board-specific calibration data
- *  - ddr3/lpddr2 chip details
- *
- * The various calculations here are derived from the Freescale
- * 1. i.Mx6DQSDL DDR3 Script Aid spreadsheet (DOC-94917) designed to generate
- *    MMDC configuration registers based on memory system and memory chip
- *    parameters.
- *
- * 2. i.Mx6SL LPDDR2 Script Aid spreadsheet V0.04 designed to generate MMDC
- *    configuration registers based on memory system and memory chip
- *    parameters.
- *
- * The defaults here are those which were specified in the spreadsheet.
- * For details on each register, refer to the IMX6DQRM and/or IMX6SDLRM
- * and/or IMX6SLRM section titled MMDC initialization.
- */
-#define MR(val, ba, cmd, cs1) \
-	((val << 16) | (1 << 15) | (cmd << 4) | (cs1 << 3) | ba)
-#define MMDC1(entry, value) do {					  \
-	if (!is_mx6sx() && !is_mx6ul() && !is_mx6sl())			  \
-		mmdc1->entry = value;					  \
-	} while (0)
-
-/*
- * According JESD209-2B-LPDDR2: Table 103
- * WL: write latency
- */
-static int lpddr2_wl(uint32_t mem_speed)
-{
-	switch (mem_speed) {
-	case 1066:
-	case 933:
-		return 4;
-	case 800:
-		return 3;
-	case 677:
-	case 533:
-		return 2;
-	case 400:
-	case 333:
-		return 1;
-	default:
-		puts("invalid memory speed\n");
-		hang();
-	}
-
-	return 0;
-}
-
-/*
- * According JESD209-2B-LPDDR2: Table 103
- * RL: read latency
- */
-static int lpddr2_rl(uint32_t mem_speed)
-{
-	switch (mem_speed) {
-	case 1066:
-		return 8;
-	case 933:
-		return 7;
-	case 800:
-		return 6;
-	case 677:
-		return 5;
-	case 533:
-		return 4;
-	case 400:
-	case 333:
-		return 3;
-	default:
-		puts("invalid memory speed\n");
-		hang();
-	}
-
-	return 0;
-}
-
-void mx6_lpddr2_cfg(const struct mx6_ddr_sysinfo *sysinfo,
-		    const struct mx6_mmdc_calibration *calib,
-		    const struct mx6_lpddr2_cfg *lpddr2_cfg)
-{
-	volatile struct mmdc_p_regs *mmdc0;
-	u32 val;
-	u8 tcke, tcksrx, tcksre, trrd;
-	u8 twl, txp, tfaw, tcl;
-	u16 tras, twr, tmrd, trtp, twtr, trfc, txsr;
-	u16 trcd_lp, trppb_lp, trpab_lp, trc_lp;
-	u16 cs0_end;
-	u8 coladdr;
-	int clkper; /* clock period in picoseconds */
-	int clock;  /* clock freq in mHz */
-	int cs;
-
-	/* only support 16/32 bits */
-	if (sysinfo->dsize > 1)
-		hang();
-
-	mmdc0 = (struct mmdc_p_regs *)MMDC_P0_BASE_ADDR;
-
-	clock = mxc_get_clock(MXC_DDR_CLK) / 1000000U;
-	clkper = (1000 * 1000) / clock; /* pico seconds */
-
-	twl = lpddr2_wl(lpddr2_cfg->mem_speed) - 1;
-
-	/* LPDDR2-S2 and LPDDR2-S4 have the same tRFC value. */
-	switch (lpddr2_cfg->density) {
-	case 1:
-	case 2:
-	case 4:
-		trfc = DIV_ROUND_UP(130000, clkper) - 1;
-		txsr = DIV_ROUND_UP(140000, clkper) - 1;
-		break;
-	case 8:
-		trfc = DIV_ROUND_UP(210000, clkper) - 1;
-		txsr = DIV_ROUND_UP(220000, clkper) - 1;
-		break;
-	default:
-		/*
-		 * 64Mb, 128Mb, 256Mb, 512Mb are not supported currently.
-		 */
-		hang();
-		break;
-	}
-	/*
-	 * txpdll, txpr, taonpd and taofpd are not relevant in LPDDR2 mode,
-	 * set them to 0. */
-	txp = DIV_ROUND_UP(7500, clkper) - 1;
-	tcke = 3;
-	if (lpddr2_cfg->mem_speed == 333)
-		tfaw = DIV_ROUND_UP(60000, clkper) - 1;
-	else
-		tfaw = DIV_ROUND_UP(50000, clkper) - 1;
-	trrd = DIV_ROUND_UP(10000, clkper) - 1;
-
-	/* tckesr for LPDDR2 */
-	tcksre = DIV_ROUND_UP(15000, clkper);
-	tcksrx = tcksre;
-	twr  = DIV_ROUND_UP(15000, clkper) - 1;
-	/*
-	 * tMRR: 2, tMRW: 5
-	 * tMRD should be set to max(tMRR, tMRW)
-	 */
-	tmrd = 5;
-	tras = DIV_ROUND_UP(lpddr2_cfg->trasmin, clkper / 10) - 1;
-	/* LPDDR2 mode use tRCD_LP filed in MDCFG3. */
-	trcd_lp = DIV_ROUND_UP(lpddr2_cfg->trcd_lp, clkper / 10) - 1;
-	trc_lp = DIV_ROUND_UP(lpddr2_cfg->trasmin + lpddr2_cfg->trppb_lp,
-			      clkper / 10) - 1;
-	trppb_lp = DIV_ROUND_UP(lpddr2_cfg->trppb_lp, clkper / 10) - 1;
-	trpab_lp = DIV_ROUND_UP(lpddr2_cfg->trpab_lp, clkper / 10) - 1;
-	/* To LPDDR2, CL in MDCFG0 refers to RL */
-	tcl = lpddr2_rl(lpddr2_cfg->mem_speed) - 3;
-	twtr = DIV_ROUND_UP(7500, clkper) - 1;
-	trtp = DIV_ROUND_UP(7500, clkper) - 1;
-
-	cs0_end = 4 * sysinfo->cs_density - 1;
-
-	debug("density:%d Gb (%d Gb per chip)\n",
-	      sysinfo->cs_density, lpddr2_cfg->density);
-	debug("clock: %dMHz (%d ps)\n", clock, clkper);
-	debug("memspd:%d\n", lpddr2_cfg->mem_speed);
-	debug("trcd_lp=%d\n", trcd_lp);
-	debug("trppb_lp=%d\n", trppb_lp);
-	debug("trpab_lp=%d\n", trpab_lp);
-	debug("trc_lp=%d\n", trc_lp);
-	debug("tcke=%d\n", tcke);
-	debug("tcksrx=%d\n", tcksrx);
-	debug("tcksre=%d\n", tcksre);
-	debug("trfc=%d\n", trfc);
-	debug("txsr=%d\n", txsr);
-	debug("txp=%d\n", txp);
-	debug("tfaw=%d\n", tfaw);
-	debug("tcl=%d\n", tcl);
-	debug("tras=%d\n", tras);
-	debug("twr=%d\n", twr);
-	debug("tmrd=%d\n", tmrd);
-	debug("twl=%d\n", twl);
-	debug("trtp=%d\n", trtp);
-	debug("twtr=%d\n", twtr);
-	debug("trrd=%d\n", trrd);
-	debug("cs0_end=%d\n", cs0_end);
-	debug("ncs=%d\n", sysinfo->ncs);
-
-	/*
-	 * board-specific configuration:
-	 *  These values are determined empirically and vary per board layout
-	 */
-	mmdc0->mpwldectrl0 = calib->p0_mpwldectrl0;
-	mmdc0->mpwldectrl1 = calib->p0_mpwldectrl1;
-	mmdc0->mpdgctrl0 = calib->p0_mpdgctrl0;
-	mmdc0->mpdgctrl1 = calib->p0_mpdgctrl1;
-	mmdc0->mprddlctl = calib->p0_mprddlctl;
-	mmdc0->mpwrdlctl = calib->p0_mpwrdlctl;
-	mmdc0->mpzqlp2ctl = calib->mpzqlp2ctl;
-
-	/* Read data DQ Byte0-3 delay */
-	mmdc0->mprddqby0dl = 0x33333333;
-	mmdc0->mprddqby1dl = 0x33333333;
-	if (sysinfo->dsize > 0) {
-		mmdc0->mprddqby2dl = 0x33333333;
-		mmdc0->mprddqby3dl = 0x33333333;
-	}
-
-	/* Write data DQ Byte0-3 delay */
-	mmdc0->mpwrdqby0dl = 0xf3333333;
-	mmdc0->mpwrdqby1dl = 0xf3333333;
-	if (sysinfo->dsize > 0) {
-		mmdc0->mpwrdqby2dl = 0xf3333333;
-		mmdc0->mpwrdqby3dl = 0xf3333333;
-	}
-
-	/*
-	 * In LPDDR2 mode this register should be cleared,
-	 * so no termination will be activated.
-	 */
-	mmdc0->mpodtctrl = 0;
-
-	/* complete calibration */
-	val = (1 << 11); /* Force measurement on delay-lines */
-	mmdc0->mpmur0 = val;
-
-	/* Step 1: configuration request */
-	mmdc0->mdscr = (u32)(1 << 15); /* config request */
-
-	/* Step 2: Timing configuration */
-	mmdc0->mdcfg0 = (trfc << 24) | (txsr << 16) | (txp << 13) |
-			(tfaw << 4) | tcl;
-	mmdc0->mdcfg1 = (tras << 16) | (twr << 9) | (tmrd << 5) | twl;
-	mmdc0->mdcfg2 = (trtp << 6) | (twtr << 3) | trrd;
-	mmdc0->mdcfg3lp = (trc_lp << 16) | (trcd_lp << 8) |
-			  (trppb_lp << 4) | trpab_lp;
-	mmdc0->mdotc = 0;
-
-	mmdc0->mdasp = cs0_end; /* CS addressing */
-
-	/* Step 3: Configure DDR type */
-	mmdc0->mdmisc = (sysinfo->cs1_mirror << 19) | (sysinfo->walat << 16) |
-			(sysinfo->bi_on << 12) | (sysinfo->mif3_mode << 9) |
-			(sysinfo->ralat << 6) | (1 << 3);
-
-	/* Step 4: Configure delay while leaving reset */
-	mmdc0->mdor = (sysinfo->sde_to_rst << 8) |
-		      (sysinfo->rst_to_cke << 0);
-
-	/* Step 5: Configure DDR physical parameters (density and burst len) */
-	coladdr = lpddr2_cfg->coladdr;
-	if (lpddr2_cfg->coladdr == 8)		/* 8-bit COL is 0x3 */
-		coladdr += 4;
-	else if (lpddr2_cfg->coladdr == 12)	/* 12-bit COL is 0x4 */
-		coladdr += 1;
-	mmdc0->mdctl =  (lpddr2_cfg->rowaddr - 11) << 24 |	/* ROW */
-			(coladdr - 9) << 20 |			/* COL */
-			(0 << 19) |	/* Burst Length = 4 for LPDDR2 */
-			(sysinfo->dsize << 16);	/* DDR data bus size */
-
-	/* Step 6: Perform ZQ calibration */
-	val = 0xa1390003; /* one-time HW ZQ calib */
-	mmdc0->mpzqhwctrl = val;
-
-	/* Step 7: Enable MMDC with desired chip select */
-	mmdc0->mdctl |= (1 << 31) |			     /* SDE_0 for CS0 */
-			((sysinfo->ncs == 2) ? 1 : 0) << 30; /* SDE_1 for CS1 */
-
-	/* Step 8: Write Mode Registers to Init LPDDR2 devices */
-	for (cs = 0; cs < sysinfo->ncs; cs++) {
-		/* MR63: reset */
-		mmdc0->mdscr = MR(63, 0, 3, cs);
-		/* MR10: calibration,
-		 * 0xff is calibration command after intilization.
-		 */
-		val = 0xA | (0xff << 8);
-		mmdc0->mdscr = MR(val, 0, 3, cs);
-		/* MR1 */
-		val = 0x1 | (0x82 << 8);
-		mmdc0->mdscr = MR(val, 0, 3, cs);
-		/* MR2 */
-		val = 0x2 | (0x04 << 8);
-		mmdc0->mdscr = MR(val, 0, 3, cs);
-		/* MR3 */
-		val = 0x3 | (0x02 << 8);
-		mmdc0->mdscr = MR(val, 0, 3, cs);
-	}
-
-	/* Step 10: Power down control and self-refresh */
-	mmdc0->mdpdc = (tcke & 0x7) << 16 |
-			5            << 12 |  /* PWDT_1: 256 cycles */
-			5            <<  8 |  /* PWDT_0: 256 cycles */
-			1            <<  6 |  /* BOTH_CS_PD */
-			(tcksrx & 0x7) << 3 |
-			(tcksre & 0x7);
-	mmdc0->mapsr = 0x00001006; /* ADOPT power down enabled */
-
-	/* Step 11: Configure ZQ calibration: one-time and periodic 1ms */
-	val = 0xa1310003;
-	mmdc0->mpzqhwctrl = val;
-
-	/* Step 12: Configure and activate periodic refresh */
-	mmdc0->mdref = (sysinfo->refsel << 14) | (sysinfo->refr << 11);
-
-	/* Step 13: Deassert config request - init complete */
-	mmdc0->mdscr = 0x00000000;
-
-	/* wait for auto-ZQ calibration to complete */
-	mdelay(1);
-}
-
-void mx6_ddr3_cfg(const struct mx6_ddr_sysinfo *sysinfo,
-		  const struct mx6_mmdc_calibration *calib,
-		  const struct mx6_ddr3_cfg *ddr3_cfg)
-{
-	volatile struct mmdc_p_regs *mmdc0;
-	volatile struct mmdc_p_regs *mmdc1;
-	u32 val;
-	u8 tcke, tcksrx, tcksre, txpdll, taofpd, taonpd, trrd;
-	u8 todtlon, taxpd, tanpd, tcwl, txp, tfaw, tcl;
-	u8 todt_idle_off = 0x4; /* from DDR3 Script Aid spreadsheet */
-	u16 trcd, trc, tras, twr, tmrd, trtp, trp, twtr, trfc, txs, txpr;
-	u16 cs0_end;
-	u16 tdllk = 0x1ff; /* DLL locking time: 512 cycles (JEDEC DDR3) */
-	u8 coladdr;
-	int clkper; /* clock period in picoseconds */
-	int clock; /* clock freq in MHz */
-	int cs;
-	u16 mem_speed = ddr3_cfg->mem_speed;
-
-	mmdc0 = (struct mmdc_p_regs *)MMDC_P0_BASE_ADDR;
-	if (!is_mx6sx() && !is_mx6ul() && !is_mx6sl())
-		mmdc1 = (struct mmdc_p_regs *)MMDC_P1_BASE_ADDR;
-
-	/* Limit mem_speed for MX6D/MX6Q */
-	if (is_mx6dq() || is_mx6dqp()) {
-		if (mem_speed > 1066)
-			mem_speed = 1066; /* 1066 MT/s */
-
-		tcwl = 4;
-	}
-	/* Limit mem_speed for MX6S/MX6DL */
-	else {
-		if (mem_speed > 800)
-			mem_speed = 800;  /* 800 MT/s */
-
-		tcwl = 3;
-	}
-
-	clock = mem_speed / 2;
-	/*
-	 * Data rate of 1066 MT/s requires 533 MHz DDR3 clock, but MX6D/Q supports
-	 * up to 528 MHz, so reduce the clock to fit chip specs
-	 */
-	if (is_mx6dq() || is_mx6dqp()) {
-		if (clock > 528)
-			clock = 528; /* 528 MHz */
-	}
-
-	clkper = (1000 * 1000) / clock; /* pico seconds */
-	todtlon = tcwl;
-	taxpd = tcwl;
-	tanpd = tcwl;
-
-	switch (ddr3_cfg->density) {
-	case 1: /* 1Gb per chip */
-		trfc = DIV_ROUND_UP(110000, clkper) - 1;
-		txs = DIV_ROUND_UP(120000, clkper) - 1;
-		break;
-	case 2: /* 2Gb per chip */
-		trfc = DIV_ROUND_UP(160000, clkper) - 1;
-		txs = DIV_ROUND_UP(170000, clkper) - 1;
-		break;
-	case 4: /* 4Gb per chip */
-		trfc = DIV_ROUND_UP(260000, clkper) - 1;
-		txs = DIV_ROUND_UP(270000, clkper) - 1;
-		break;
-	case 8: /* 8Gb per chip */
-		trfc = DIV_ROUND_UP(350000, clkper) - 1;
-		txs = DIV_ROUND_UP(360000, clkper) - 1;
-		break;
-	default:
-		/* invalid density */
-		puts("invalid chip density\n");
-		hang();
-		break;
-	}
-	txpr = txs;
-
-	switch (mem_speed) {
-	case 800:
-		txp = DIV_ROUND_UP(max(3 * clkper, 7500), clkper) - 1;
-		tcke = DIV_ROUND_UP(max(3 * clkper, 7500), clkper) - 1;
-		if (ddr3_cfg->pagesz == 1) {
-			tfaw = DIV_ROUND_UP(40000, clkper) - 1;
-			trrd = DIV_ROUND_UP(max(4 * clkper, 10000), clkper) - 1;
-		} else {
-			tfaw = DIV_ROUND_UP(50000, clkper) - 1;
-			trrd = DIV_ROUND_UP(max(4 * clkper, 10000), clkper) - 1;
-		}
-		break;
-	case 1066:
-		txp = DIV_ROUND_UP(max(3 * clkper, 7500), clkper) - 1;
-		tcke = DIV_ROUND_UP(max(3 * clkper, 5625), clkper) - 1;
-		if (ddr3_cfg->pagesz == 1) {
-			tfaw = DIV_ROUND_UP(37500, clkper) - 1;
-			trrd = DIV_ROUND_UP(max(4 * clkper, 7500), clkper) - 1;
-		} else {
-			tfaw = DIV_ROUND_UP(50000, clkper) - 1;
-			trrd = DIV_ROUND_UP(max(4 * clkper, 10000), clkper) - 1;
-		}
-		break;
-	default:
-		puts("invalid memory speed\n");
-		hang();
-		break;
-	}
-	txpdll = DIV_ROUND_UP(max(10 * clkper, 24000), clkper) - 1;
-	tcksre = DIV_ROUND_UP(max(5 * clkper, 10000), clkper);
-	taonpd = DIV_ROUND_UP(2000, clkper) - 1;
-	tcksrx = tcksre;
-	taofpd = taonpd;
-	twr  = DIV_ROUND_UP(15000, clkper) - 1;
-	tmrd = DIV_ROUND_UP(max(12 * clkper, 15000), clkper) - 1;
-	trc  = DIV_ROUND_UP(ddr3_cfg->trcmin, clkper / 10) - 1;
-	tras = DIV_ROUND_UP(ddr3_cfg->trasmin, clkper / 10) - 1;
-	tcl  = DIV_ROUND_UP(ddr3_cfg->trcd, clkper / 10) - 3;
-	trp  = DIV_ROUND_UP(ddr3_cfg->trcd, clkper / 10) - 1;
-	twtr = ROUND(max(4 * clkper, 7500) / clkper, 1) - 1;
-	trcd = trp;
-	trtp = twtr;
-	cs0_end = 4 * sysinfo->cs_density - 1;
-
-	debug("density:%d Gb (%d Gb per chip)\n",
-	      sysinfo->cs_density, ddr3_cfg->density);
-	debug("clock: %dMHz (%d ps)\n", clock, clkper);
-	debug("memspd:%d\n", mem_speed);
-	debug("tcke=%d\n", tcke);
-	debug("tcksrx=%d\n", tcksrx);
-	debug("tcksre=%d\n", tcksre);
-	debug("taofpd=%d\n", taofpd);
-	debug("taonpd=%d\n", taonpd);
-	debug("todtlon=%d\n", todtlon);
-	debug("tanpd=%d\n", tanpd);
-	debug("taxpd=%d\n", taxpd);
-	debug("trfc=%d\n", trfc);
-	debug("txs=%d\n", txs);
-	debug("txp=%d\n", txp);
-	debug("txpdll=%d\n", txpdll);
-	debug("tfaw=%d\n", tfaw);
-	debug("tcl=%d\n", tcl);
-	debug("trcd=%d\n", trcd);
-	debug("trp=%d\n", trp);
-	debug("trc=%d\n", trc);
-	debug("tras=%d\n", tras);
-	debug("twr=%d\n", twr);
-	debug("tmrd=%d\n", tmrd);
-	debug("tcwl=%d\n", tcwl);
-	debug("tdllk=%d\n", tdllk);
-	debug("trtp=%d\n", trtp);
-	debug("twtr=%d\n", twtr);
-	debug("trrd=%d\n", trrd);
-	debug("txpr=%d\n", txpr);
-	debug("cs0_end=%d\n", cs0_end);
-	debug("ncs=%d\n", sysinfo->ncs);
-	debug("Rtt_wr=%d\n", sysinfo->rtt_wr);
-	debug("Rtt_nom=%d\n", sysinfo->rtt_nom);
-	debug("SRT=%d\n", ddr3_cfg->SRT);
-	debug("twr=%d\n", twr);
-
-	/*
-	 * board-specific configuration:
-	 *  These values are determined empirically and vary per board layout
-	 *  see:
-	 *   appnote, ddr3 spreadsheet
-	 */
-	mmdc0->mpwldectrl0 = calib->p0_mpwldectrl0;
-	mmdc0->mpwldectrl1 = calib->p0_mpwldectrl1;
-	mmdc0->mpdgctrl0 = calib->p0_mpdgctrl0;
-	mmdc0->mpdgctrl1 = calib->p0_mpdgctrl1;
-	mmdc0->mprddlctl = calib->p0_mprddlctl;
-	mmdc0->mpwrdlctl = calib->p0_mpwrdlctl;
-	if (sysinfo->dsize > 1) {
-		MMDC1(mpwldectrl0, calib->p1_mpwldectrl0);
-		MMDC1(mpwldectrl1, calib->p1_mpwldectrl1);
-		MMDC1(mpdgctrl0, calib->p1_mpdgctrl0);
-		MMDC1(mpdgctrl1, calib->p1_mpdgctrl1);
-		MMDC1(mprddlctl, calib->p1_mprddlctl);
-		MMDC1(mpwrdlctl, calib->p1_mpwrdlctl);
-	}
-
-	/* Read data DQ Byte0-3 delay */
-	mmdc0->mprddqby0dl = 0x33333333;
-	mmdc0->mprddqby1dl = 0x33333333;
-	if (sysinfo->dsize > 0) {
-		mmdc0->mprddqby2dl = 0x33333333;
-		mmdc0->mprddqby3dl = 0x33333333;
-	}
-
-	if (sysinfo->dsize > 1) {
-		MMDC1(mprddqby0dl, 0x33333333);
-		MMDC1(mprddqby1dl, 0x33333333);
-		MMDC1(mprddqby2dl, 0x33333333);
-		MMDC1(mprddqby3dl, 0x33333333);
-	}
-
-	/* MMDC Termination: rtt_nom:2 RZQ/2(120ohm), rtt_nom:1 RZQ/4(60ohm) */
-	val = (sysinfo->rtt_nom == 2) ? 0x00011117 : 0x00022227;
-	mmdc0->mpodtctrl = val;
-	if (sysinfo->dsize > 1)
-		MMDC1(mpodtctrl, val);
-
-	/* complete calibration */
-	val = (1 << 11); /* Force measurement on delay-lines */
-	mmdc0->mpmur0 = val;
-	if (sysinfo->dsize > 1)
-		MMDC1(mpmur0, val);
-
-	/* Step 1: configuration request */
-	mmdc0->mdscr = (u32)(1 << 15); /* config request */
-
-	/* Step 2: Timing configuration */
-	mmdc0->mdcfg0 = (trfc << 24) | (txs << 16) | (txp << 13) |
-			(txpdll << 9) | (tfaw << 4) | tcl;
-	mmdc0->mdcfg1 = (trcd << 29) | (trp << 26) | (trc << 21) |
-			(tras << 16) | (1 << 15) /* trpa */ |
-			(twr << 9) | (tmrd << 5) | tcwl;
-	mmdc0->mdcfg2 = (tdllk << 16) | (trtp << 6) | (twtr << 3) | trrd;
-	mmdc0->mdotc = (taofpd << 27) | (taonpd << 24) | (tanpd << 20) |
-		       (taxpd << 16) | (todtlon << 12) | (todt_idle_off << 4);
-	mmdc0->mdasp = cs0_end; /* CS addressing */
-
-	/* Step 3: Configure DDR type */
-	mmdc0->mdmisc = (sysinfo->cs1_mirror << 19) | (sysinfo->walat << 16) |
-			(sysinfo->bi_on << 12) | (sysinfo->mif3_mode << 9) |
-			(sysinfo->ralat << 6);
-
-	/* Step 4: Configure delay while leaving reset */
-	mmdc0->mdor = (txpr << 16) | (sysinfo->sde_to_rst << 8) |
-		      (sysinfo->rst_to_cke << 0);
-
-	/* Step 5: Configure DDR physical parameters (density and burst len) */
-	coladdr = ddr3_cfg->coladdr;
-	if (ddr3_cfg->coladdr == 8)		/* 8-bit COL is 0x3 */
-		coladdr += 4;
-	else if (ddr3_cfg->coladdr == 12)	/* 12-bit COL is 0x4 */
-		coladdr += 1;
-	mmdc0->mdctl =  (ddr3_cfg->rowaddr - 11) << 24 |	/* ROW */
-			(coladdr - 9) << 20 |			/* COL */
-			(1 << 19) |		/* Burst Length = 8 for DDR3 */
-			(sysinfo->dsize << 16);		/* DDR data bus size */
-
-	/* Step 6: Perform ZQ calibration */
-	val = 0xa1390001; /* one-time HW ZQ calib */
-	mmdc0->mpzqhwctrl = val;
-	if (sysinfo->dsize > 1)
-		MMDC1(mpzqhwctrl, val);
-
-	/* Step 7: Enable MMDC with desired chip select */
-	mmdc0->mdctl |= (1 << 31) |			     /* SDE_0 for CS0 */
-			((sysinfo->ncs == 2) ? 1 : 0) << 30; /* SDE_1 for CS1 */
-
-	/* Step 8: Write Mode Registers to Init DDR3 devices */
-	for (cs = 0; cs < sysinfo->ncs; cs++) {
-		/* MR2 */
-		val = (sysinfo->rtt_wr & 3) << 9 | (ddr3_cfg->SRT & 1) << 7 |
-		      ((tcwl - 3) & 3) << 3;
-		debug("MR2 CS%d: 0x%08x\n", cs, (u32)MR(val, 2, 3, cs));
-		mmdc0->mdscr = MR(val, 2, 3, cs);
-		/* MR3 */
-		debug("MR3 CS%d: 0x%08x\n", cs, (u32)MR(0, 3, 3, cs));
-		mmdc0->mdscr = MR(0, 3, 3, cs);
-		/* MR1 */
-		val = ((sysinfo->rtt_nom & 1) ? 1 : 0) << 2 |
-		      ((sysinfo->rtt_nom & 2) ? 1 : 0) << 6;
-		debug("MR1 CS%d: 0x%08x\n", cs, (u32)MR(val, 1, 3, cs));
-		mmdc0->mdscr = MR(val, 1, 3, cs);
-		/* MR0 */
-		val = ((tcl - 1) << 4) |	/* CAS */
-		      (1 << 8)   |		/* DLL Reset */
-		      ((twr - 3) << 9) |	/* Write Recovery */
-		      (sysinfo->pd_fast_exit << 12); /* Precharge PD PLL on */
-		debug("MR0 CS%d: 0x%08x\n", cs, (u32)MR(val, 0, 3, cs));
-		mmdc0->mdscr = MR(val, 0, 3, cs);
-		/* ZQ calibration */
-		val = (1 << 10);
-		mmdc0->mdscr = MR(val, 0, 4, cs);
-	}
-
-	/* Step 10: Power down control and self-refresh */
-	mmdc0->mdpdc = (tcke & 0x7) << 16 |
-			5            << 12 |  /* PWDT_1: 256 cycles */
-			5            <<  8 |  /* PWDT_0: 256 cycles */
-			1            <<  6 |  /* BOTH_CS_PD */
-			(tcksrx & 0x7) << 3 |
-			(tcksre & 0x7);
-	if (!sysinfo->pd_fast_exit)
-		mmdc0->mdpdc |= (1 << 7); /* SLOW_PD */
-	mmdc0->mapsr = 0x00001006; /* ADOPT power down enabled */
-
-	/* Step 11: Configure ZQ calibration: one-time and periodic 1ms */
-	val = 0xa1390003;
-	mmdc0->mpzqhwctrl = val;
-	if (sysinfo->dsize > 1)
-		MMDC1(mpzqhwctrl, val);
-
-	/* Step 12: Configure and activate periodic refresh */
-	mmdc0->mdref = (sysinfo->refsel << 14) | (sysinfo->refr << 11);
-
-	/* Step 13: Deassert config request - init complete */
-	mmdc0->mdscr = 0x00000000;
-
-	/* wait for auto-ZQ calibration to complete */
-	mdelay(1);
-}
-
-void mmdc_read_calibration(struct mx6_ddr_sysinfo const *sysinfo,
-                           struct mx6_mmdc_calibration *calib)
-{
-	struct mmdc_p_regs *mmdc0 = (struct mmdc_p_regs *)MMDC_P0_BASE_ADDR;
-	struct mmdc_p_regs *mmdc1 = (struct mmdc_p_regs *)MMDC_P1_BASE_ADDR;
-
-	calib->p0_mpwldectrl0 = readl(&mmdc0->mpwldectrl0);
-	calib->p0_mpwldectrl1 = readl(&mmdc0->mpwldectrl1);
-	calib->p0_mpdgctrl0 = readl(&mmdc0->mpdgctrl0);
-	calib->p0_mpdgctrl1 = readl(&mmdc0->mpdgctrl1);
-	calib->p0_mprddlctl = readl(&mmdc0->mprddlctl);
-	calib->p0_mpwrdlctl = readl(&mmdc0->mpwrdlctl);
-
-	if (sysinfo->dsize == 2) {
-		calib->p1_mpwldectrl0 = readl(&mmdc1->mpwldectrl0);
-		calib->p1_mpwldectrl1 = readl(&mmdc1->mpwldectrl1);
-		calib->p1_mpdgctrl0 = readl(&mmdc1->mpdgctrl0);
-		calib->p1_mpdgctrl1 = readl(&mmdc1->mpdgctrl1);
-		calib->p1_mprddlctl = readl(&mmdc1->mprddlctl);
-		calib->p1_mpwrdlctl = readl(&mmdc1->mpwrdlctl);
-	}
-}
-
-void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo,
-		  const struct mx6_mmdc_calibration *calib,
-		  const void *ddr_cfg)
-{
-	if (sysinfo->ddr_type == DDR_TYPE_DDR3) {
-		mx6_ddr3_cfg(sysinfo, calib, ddr_cfg);
-	} else if (sysinfo->ddr_type == DDR_TYPE_LPDDR2) {
-		mx6_lpddr2_cfg(sysinfo, calib, ddr_cfg);
-	} else {
-		puts("Unsupported ddr type\n");
-		hang();
-	}
-}