Add support for Freescale MX25 SOC

ARM926EJS core with MX31 peripherals.

Signed-off-by: John Rigby <jcrigby@gmail.com>
Earlier Version Signed-off-by: Wolfgang Denk <wd@denx.de>
CC: Fred Fan <fanyefeng@gmail.com>
CC: Tom <Tom.Rix@windriver.com>

8 files changed, 1329 insertions, 5 deletions

diff --git a/cpu/arm926ejs/mx25/Makefile b/cpu/arm926ejs/mx25/Makefile
new file mode 100644
index 0000000..55c1e89
--- /dev/null
+++ b/cpu/arm926ejs/mx25/Makefile
@@ -0,0 +1,46 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+
+include $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).a
+
+COBJS	= generic.o timer.o
+MX27OBJS = reset.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+SRCS	+= $(addprefix $(SRCTREE)/cpu/arm926ejs/mx27/,$(MX27OBJS:.o=.c))
+OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS) $(MX27OBJS))
+
+all:	$(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/cpu/arm926ejs/mx25/generic.c b/cpu/arm926ejs/mx25/generic.c
new file mode 100644
index 0000000..694841d
--- /dev/null
+++ b/cpu/arm926ejs/mx25/generic.c
@@ -0,0 +1,263 @@
+/*
+ * (C) Copyright 2009 DENX Software Engineering
+ * Author: John Rigby <jrigby@gmail.com>
+ *
+ * Based on mx27/generic.c:
+ *  Copyright (c) 2008 Eric Jarrige <eric.jarrige@armadeus.org>
+ *  Copyright (c) 2009 Ilya Yanok <yanok@emcraft.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <div64.h>
+#include <netdev.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/imx25-pinmux.h>
+#ifdef CONFIG_MXC_MMC
+#include <asm/arch/mxcmmc.h>
+#endif
+
+/*
+ *  get the system pll clock in Hz
+ *
+ *                  mfi + mfn / (mfd +1)
+ *  f = 2 * f_ref * --------------------
+ *                        pd + 1
+ */
+static unsigned int imx_decode_pll (unsigned int pll, unsigned int f_ref)
+{
+	unsigned int mfi = (pll >> CCM_PLL_MFI_SHIFT)
+	    & CCM_PLL_MFI_MASK;
+	unsigned int mfn = (pll >> CCM_PLL_MFN_SHIFT)
+	    & CCM_PLL_MFN_MASK;
+	unsigned int mfd = (pll >> CCM_PLL_MFD_SHIFT)
+	    & CCM_PLL_MFD_MASK;
+	unsigned int pd = (pll >> CCM_PLL_PD_SHIFT)
+	    & CCM_PLL_PD_MASK;
+
+	mfi = mfi <= 5 ? 5 : mfi;
+
+	return lldiv (2 * (u64) f_ref * (mfi * (mfd + 1) + mfn),
+		      (mfd + 1) * (pd + 1));
+}
+
+static ulong imx_get_mpllclk (void)
+{
+	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
+	ulong fref = 24000000;
+
+	return imx_decode_pll (readl (&ccm->mpctl), fref);
+}
+
+ulong imx_get_armclk (void)
+{
+	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
+	ulong cctl = readl (&ccm->cctl);
+	ulong fref = imx_get_mpllclk ();
+	ulong div;
+
+	if (cctl & CCM_CCTL_ARM_SRC)
+		fref = lldiv ((fref * 3), 4);
+
+	div = ((cctl >> CCM_CCTL_ARM_DIV_SHIFT)
+	       & CCM_CCTL_ARM_DIV_MASK) + 1;
+
+	return lldiv (fref, div);
+}
+
+ulong imx_get_ahbclk (void)
+{
+	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
+	ulong cctl = readl (&ccm->cctl);
+	ulong fref = imx_get_armclk ();
+	ulong div;
+
+	div = ((cctl >> CCM_CCTL_AHB_DIV_SHIFT)
+	       & CCM_CCTL_AHB_DIV_MASK) + 1;
+
+	return lldiv (fref, div);
+}
+
+ulong imx_get_perclk (int clk)
+{
+	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
+	ulong fref = imx_get_ahbclk ();
+	ulong div;
+
+	div = readl (&ccm->pcdr[CCM_PERCLK_REG (clk)]);
+	div = ((div >> CCM_PERCLK_SHIFT (clk)) & CCM_PERCLK_MASK) + 1;
+
+	return lldiv (fref, div);
+}
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo (void)
+{
+	char buf[32];
+
+	printf ("CPU:   Freescale i.MX25 at %s MHz\n\n",
+		strmhz (buf, imx_get_mpllclk ()));
+	return 0;
+}
+#endif
+
+int cpu_eth_init (bd_t * bis)
+{
+#if defined(CONFIG_FEC_MXC)
+	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
+	ulong val;
+
+	val = readl (&ccm->cgr0);
+	val |= (1 << 23);
+	writel (val, &ccm->cgr0);
+	return fecmxc_initialize (bis);
+#else
+	return 0;
+#endif
+}
+
+/*
+ * Initializes on-chip MMC controllers.
+ * to override, implement board_mmc_init()
+ */
+int cpu_mmc_init (bd_t * bis)
+{
+#ifdef CONFIG_MXC_MMC
+	return mxc_mmc_init (bis);
+#else
+	return 0;
+#endif
+}
+
+#ifdef CONFIG_MXC_UART
+void mx25_uart_init_pins (void)
+{
+	struct iomuxc_mux_ctl *muxctl;
+	struct iomuxc_pad_ctl *padctl;
+	u32 inpadctl;
+	u32 outpadctl;
+	u32 muxmode0;
+
+	muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE;
+	padctl = (struct iomuxc_pad_ctl *)IMX_IOPADCTL_BASE;
+	muxmode0 = MX25_PIN_MUX_MODE (0);
+	/*
+	 * set up input pins with hysteresis and 100K pull-ups
+	 */
+	inpadctl = MX25_PIN_PAD_CTL_HYS
+	    | MX25_PIN_PAD_CTL_PKE
+	    | MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_100K_PU;
+
+	/*
+	 * set up output pins with 100K pull-downs
+	 * FIXME: need to revisit this
+	 *      PUE is ignored if PKE is not set
+	 *      so the right value here is likely
+	 *        0x0 for no pull up/down
+	 *      or
+	 *        0xc0 for 100k pull down
+	 */
+	outpadctl = MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_100K_PD;
+
+	/* UART1 */
+	/* rxd */
+	writel (muxmode0, &muxctl->pad_uart1_rxd);
+	writel (inpadctl, &padctl->pad_uart1_rxd);
+
+	/* txd */
+	writel (muxmode0, &muxctl->pad_uart1_txd);
+	writel (outpadctl, &padctl->pad_uart1_txd);
+
+	/* rts */
+	writel (muxmode0, &muxctl->pad_uart1_rts);
+	writel (outpadctl, &padctl->pad_uart1_rts);
+
+	/* cts */
+	writel (muxmode0, &muxctl->pad_uart1_cts);
+	writel (inpadctl, &padctl->pad_uart1_cts);
+}
+#endif /* CONFIG_MXC_UART */
+
+#ifdef CONFIG_FEC_MXC
+void mx25_fec_init_pins (void)
+{
+	struct iomuxc_mux_ctl *muxctl;
+	struct iomuxc_pad_ctl *padctl;
+	u32 inpadctl_100kpd;
+	u32 inpadctl_22kpu;
+	u32 outpadctl;
+	u32 muxmode0;
+
+	muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE;
+	padctl = (struct iomuxc_pad_ctl *)IMX_IOPADCTL_BASE;
+	muxmode0 = MX25_PIN_MUX_MODE (0);
+	inpadctl_100kpd = MX25_PIN_PAD_CTL_HYS
+	    | MX25_PIN_PAD_CTL_PKE
+	    | MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_100K_PD;
+	inpadctl_22kpu = MX25_PIN_PAD_CTL_HYS
+	    | MX25_PIN_PAD_CTL_PKE
+	    | MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_22K_PU;
+	/*
+	 * set up output pins with 100K pull-downs
+	 * FIXME: need to revisit this
+	 *      PUE is ignored if PKE is not set
+	 *      so the right value here is likely
+	 *        0x0 for no pull
+	 *      or
+	 *        0xc0 for 100k pull down
+	 */
+	outpadctl = MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_100K_PD;
+
+	/* FEC_TX_CLK */
+	writel (muxmode0, &muxctl->pad_fec_tx_clk);
+	writel (inpadctl_100kpd, &padctl->pad_fec_tx_clk);
+
+	/* FEC_RX_DV */
+	writel (muxmode0, &muxctl->pad_fec_rx_dv);
+	writel (inpadctl_100kpd, &padctl->pad_fec_rx_dv);
+
+	/* FEC_RDATA0 */
+	writel (muxmode0, &muxctl->pad_fec_rdata0);
+	writel (inpadctl_100kpd, &padctl->pad_fec_rdata0);
+
+	/* FEC_TDATA0 */
+	writel (muxmode0, &muxctl->pad_fec_tdata0);
+	writel (outpadctl, &padctl->pad_fec_tdata0);
+
+	/* FEC_TX_EN */
+	writel (muxmode0, &muxctl->pad_fec_tx_en);
+	writel (outpadctl, &padctl->pad_fec_tx_en);
+
+	/* FEC_MDC */
+	writel (muxmode0, &muxctl->pad_fec_mdc);
+	writel (outpadctl, &padctl->pad_fec_mdc);
+
+	/* FEC_MDIO */
+	writel (muxmode0, &muxctl->pad_fec_mdio);
+	writel (inpadctl_22kpu, &padctl->pad_fec_mdio);
+
+	/* FEC_RDATA1 */
+	writel (muxmode0, &muxctl->pad_fec_rdata1);
+	writel (inpadctl_100kpd, &padctl->pad_fec_rdata1);
+
+	/* FEC_TDATA1 */
+	writel (muxmode0, &muxctl->pad_fec_tdata1);
+	writel (outpadctl, &padctl->pad_fec_tdata1);
+
+}
+#endif /* CONFIG_FEC_MXC */
diff --git a/cpu/arm926ejs/mx25/reset.c b/cpu/arm926ejs/mx25/reset.c
new file mode 100644
index 0000000..1e33150
--- /dev/null
+++ b/cpu/arm926ejs/mx25/reset.c
@@ -0,0 +1,56 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * (C) Copyright 2009
+ * Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+
+/*
+ * Reset the cpu by setting up the watchdog timer and let it time out
+ */
+void reset_cpu (ulong ignored)
+{
+	struct wdog_regs *regs = (struct wdog_regs *)IMX_WDT_BASE;
+	/* Disable watchdog and set Time-Out field to 0 */
+	writel (0x00000000, &regs->wcr);
+
+	/* Write Service Sequence */
+	writel (0x00005555, &regs->wsr);
+	writel (0x0000AAAA, &regs->wsr);
+
+	/* Enable watchdog */
+	writel (WCR_WDE, &regs->wcr);
+
+	while (1) ;
+}
diff --git a/cpu/arm926ejs/mx25/timer.c b/cpu/arm926ejs/mx25/timer.c
new file mode 100644
index 0000000..11d41a8
--- /dev/null
+++ b/cpu/arm926ejs/mx25/timer.c
@@ -0,0 +1,187 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
+ *
+ * (C) Copyright 2009
+ * Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
+ *
+ * (C) Copyright 2009 DENX Software Engineering
+ * Author: John Rigby <jrigby@gmail.com>
+ * 	Add support for MX25
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <div64.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+
+static ulong timestamp;
+static ulong lastinc;
+
+/*
+ * "time" is measured in 1 / CONFIG_SYS_HZ seconds,
+ * "tick" is internal timer period
+ */
+#ifdef CONFIG_MX25_TIMER_HIGH_PRECISION
+/* ~0.4% error - measured with stop-watch on 100s boot-delay */
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+	tick *= CONFIG_SYS_HZ;
+	do_div(tick, CONFIG_MX25_CLK32);
+	return tick;
+}
+
+static inline unsigned long long time_to_tick(unsigned long long time)
+{
+	time *= CONFIG_MX25_CLK32;
+	do_div(time, CONFIG_SYS_HZ);
+	return time;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long us)
+{
+	us = us * CONFIG_MX25_CLK32 + 999999;
+	do_div(us, 1000000);
+	return us;
+}
+#else
+/* ~2% error */
+#define TICK_PER_TIME	((CONFIG_MX25_CLK32 + CONFIG_SYS_HZ / 2) / \
+		CONFIG_SYS_HZ)
+#define US_PER_TICK	(1000000 / CONFIG_MX25_CLK32)
+
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+	do_div(tick, TICK_PER_TIME);
+	return tick;
+}
+
+static inline unsigned long long time_to_tick(unsigned long long time)
+{
+	return time * TICK_PER_TIME;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long us)
+{
+	us += US_PER_TICK - 1;
+	do_div(us, US_PER_TICK);
+	return us;
+}
+#endif
+
+/* nothing really to do with interrupts, just starts up a counter. */
+/* The 32KHz 32-bit timer overruns in 134217 seconds */
+int timer_init(void)
+{
+	int i;
+	struct gpt_regs *gpt = (struct gpt_regs *)IMX_GPT1_BASE;
+	struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
+
+	/* setup GP Timer 1 */
+	writel(GPT_CTRL_SWR, &gpt->ctrl);
+
+	writel(readl(&ccm->cgr1) | CCM_CGR1_GPT1, &ccm->cgr1);
+
+	for (i = 0; i < 100; i++)
+		writel(0, &gpt->ctrl); /* We have no udelay by now */
+	writel(0, &gpt->pre); /* prescaler = 1 */
+	/* Freerun Mode, 32KHz input */
+	writel(readl(&gpt->ctrl) | GPT_CTRL_CLKSOURCE_32 | GPT_CTRL_FRR,
+			&gpt->ctrl);
+	writel(readl(&gpt->ctrl) | GPT_CTRL_TEN, &gpt->ctrl);
+
+	return 0;
+}
+
+void reset_timer_masked(void)
+{
+	struct gpt_regs *gpt = (struct gpt_regs *)IMX_GPT1_BASE;
+	/* reset time */
+	/* capture current incrementer value time */
+	lastinc = readl(&gpt->counter);
+	timestamp = 0; /* start "advancing" time stamp from 0 */
+}
+
+void reset_timer(void)
+{
+	reset_timer_masked();
+}
+
+unsigned long long get_ticks (void)
+{
+	struct gpt_regs *gpt = (struct gpt_regs *)IMX_GPT1_BASE;
+	ulong now = readl(&gpt->counter); /* current tick value */
+
+	if (now >= lastinc) {
+		/*
+		 * normal mode (non roll)
+		 * move stamp forward with absolut diff ticks
+		 */
+		timestamp += (now - lastinc);
+	} else {
+		/* we have rollover of incrementer */
+		timestamp += (0xFFFFFFFF - lastinc) + now;
+	}
+	lastinc = now;
+	return timestamp;
+}
+
+ulong get_timer_masked (void)
+{
+	/*
+	 * get_ticks() returns a long long (64 bit), it wraps in
+	 * 2^64 / CONFIG_MX25_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
+	 * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
+	 * 5 * 10^6 days - long enough.
+	 */
+	return tick_to_time(get_ticks());
+}
+
+ulong get_timer (ulong base)
+{
+	return get_timer_masked () - base;
+}
+
+void set_timer (ulong t)
+{
+	timestamp = time_to_tick(t);
+}
+
+/* delay x useconds AND preserve advance timstamp value */
+void __udelay (unsigned long usec)
+{
+	unsigned long long tmp;
+	ulong tmo;
+
+	tmo = us_to_tick(usec);
+	tmp = get_ticks() + tmo;	/* get current timestamp */
+
+	while (get_ticks() < tmp)	/* loop till event */
+		 /*NOP*/;
+}
diff --git a/drivers/serial/serial_mxc.c b/drivers/serial/serial_mxc.c
index b21c9c3..4b93e7b 100644
--- a/drivers/serial/serial_mxc.c
+++ b/drivers/serial/serial_mxc.c
@@ -27,15 +27,15 @@
 
 #define __REG(x)     (*((volatile u32 *)(x)))
 
-#ifdef CONFIG_SYS_MX31_UART1
+#if defined(CONFIG_SYS_MX31_UART1) || defined(CONFIG_SYS_MX25_UART1)
 #define UART_PHYS 0x43f90000
-#elif defined(CONFIG_SYS_MX31_UART2)
+#elif defined(CONFIG_SYS_MX31_UART2) || defined(CONFIG_SYS_MX25_UART2)
 #define UART_PHYS 0x43f94000
-#elif defined(CONFIG_SYS_MX31_UART3)
+#elif defined(CONFIG_SYS_MX31_UART3) || defined(CONFIG_SYS_MX25_UART3)
 #define UART_PHYS 0x5000c000
-#elif defined(CONFIG_SYS_MX31_UART4)
+#elif defined(CONFIG_SYS_MX31_UART4) || defined(CONFIG_SYS_MX25_UART4)
 #define UART_PHYS 0x43fb0000
-#elif defined(CONFIG_SYS_MX31_UART5)
+#elif defined(CONFIG_SYS_MX31_UART5) || defined(CONFIG_SYS_MX25_UART5)
 #define UART_PHYS 0x43fb4000
 #elif defined(CONFIG_SYS_MX27_UART1)
 #define UART_PHYS 0x1000a000
diff --git a/include/asm-arm/arch-mx25/clock.h b/include/asm-arm/arch-mx25/clock.h
new file mode 100644
index 0000000..b0752e7
--- /dev/null
+++ b/include/asm-arm/arch-mx25/clock.h
@@ -0,0 +1,35 @@
+/*
+ *
+ * (c) 2009 Ilya Yanok, Emcraft Systems <yanok@emcraft.com>
+ *
+ * Modified for mx25 by John Rigby <jrigby@gmail.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __ASM_ARCH_CLOCK_H
+#define __ASM_ARCH_CLOCK_H
+
+ulong imx_get_perclk(int clk);
+ulong imx_get_ahbclk(void);
+
+#define imx_get_uartclk() imx_get_perclk(15)
+
+
+#endif /* __ASM_ARCH_CLOCK_H */
diff --git a/include/asm-arm/arch-mx25/imx-regs.h b/include/asm-arm/arch-mx25/imx-regs.h
new file mode 100644
index 0000000..f709bd8
--- /dev/null
+++ b/include/asm-arm/arch-mx25/imx-regs.h
@@ -0,0 +1,316 @@
+/*
+ * Copyright (C) 2009, DENX Software Engineering
+ * Author: John Rigby <jcrigby@gmail.com
+ *
+ *   Based on arch-mx31/mx31-regs.h
+ *	Copyright (C) 2009 Ilya Yanok,
+ *		Emcraft Systems <yanok@emcraft.com>
+ *   and arch-mx27/imx-regs.h
+ *	Copyright (C) 2007 Pengutronix,
+ *		Sascha Hauer <s.hauer@pengutronix.de>
+ *	Copyright (C) 2009 Ilya Yanok,
+ *		Emcraft Systems <yanok@emcraft.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _IMX_REGS_H
+#define _IMX_REGS_H
+
+#ifndef __ASSEMBLY__
+#ifdef CONFIG_FEC_MXC
+extern void mx25_fec_init_pins(void);
+#endif
+
+/* Clock Control Module (CCM) registers */
+struct ccm_regs {
+	u32 mpctl;	/* Core PLL Control */
+	u32 upctl;	/* USB PLL Control */
+	u32 cctl;	/* Clock Control */
+	u32 cgr0;	/* Clock Gating Control 0 */
+	u32 cgr1;	/* Clock Gating Control 1 */
+	u32 cgr2;	/* Clock Gating Control 2 */
+	u32 pcdr[4];	/* PER Clock Dividers */
+	u32 rcsr;	/* CCM Status */
+	u32 crdr;	/* CCM Reset and Debug */
+	u32 dcvr0;	/* DPTC Comparator Value 0 */
+	u32 dcvr1;	/* DPTC Comparator Value 1 */
+	u32 dcvr2;	/* DPTC Comparator Value 2 */
+	u32 dcvr3;	/* DPTC Comparator Value 3 */
+	u32 ltr0;	/* Load Tracking 0 */
+	u32 ltr1;	/* Load Tracking 1 */
+	u32 ltr2;	/* Load Tracking 2 */
+	u32 ltr3;	/* Load Tracking 3 */
+	u32 ltbr0;	/* Load Tracking Buffer 0 */
+	u32 ltbr1;	/* Load Tracking Buffer 1 */
+	u32 pcmr0;	/* Power Management Control 0 */
+	u32 pcmr1;	/* Power Management Control 1 */
+	u32 pcmr2;	/* Power Management Control 2 */
+	u32 mcr;	/* Miscellaneous Control */
+	u32 lpimr0;	/* Low Power Interrupt Mask 0 */
+	u32 lpimr1;	/* Low Power Interrupt Mask 1 */
+};
+
+/* Enhanced SDRAM Controller (ESDRAMC) registers */
+struct esdramc_regs {
+	u32 ctl0; 	/* control 0 */
+	u32 cfg0; 	/* configuration 0 */
+	u32 ctl1; 	/* control 1 */
+	u32 cfg1; 	/* configuration 1 */
+	u32 misc; 	/* miscellaneous */
+	u32 pad[3];
+	u32 cdly1;	/* Delay Line 1 configuration debug */
+	u32 cdly2;	/* delay line 2 configuration debug */
+	u32 cdly3;	/* delay line 3 configuration debug */
+	u32 cdly4;	/* delay line 4 configuration debug */
+	u32 cdly5;	/* delay line 5 configuration debug */
+	u32 cdlyl;	/* delay line cycle length debug */
+};
+
+/* GPIO registers */
+struct gpio_regs {
+	u32 dr;		/* data */
+	u32 dir;	/* direction */
+	u32 psr;	/* pad satus */
+	u32 icr1;	/* interrupt config 1 */
+	u32 icr2;	/* interrupt config 2 */
+	u32 imr;	/* interrupt mask */
+	u32 isr;	/* interrupt status */
+	u32 edge_sel;	/* edge select */
+};
+
+/* General Purpose Timer (GPT) registers */
+struct gpt_regs {
+	u32 ctrl;   	/* control */
+	u32 pre;    	/* prescaler */
+	u32 stat;   	/* status */
+	u32 intr;   	/* interrupt */
+	u32 cmp[3]; 	/* output compare 1-3 */
+	u32 capt[2];	/* input capture 1-2 */
+	u32 counter;	/* counter */
+};
+
+/* Watchdog Timer (WDOG) registers */
+struct wdog_regs {
+	u32 wcr;	/* Control */
+	u32 wsr;	/* Service */
+	u32 wrsr;	/* Reset Status */
+	u32 wicr;	/* Interrupt Control */
+	u32 wmcr;	/* Misc Control */
+};
+
+/* IIM control registers */
+struct iim_regs {
+	u32 iim_stat;
+	u32 iim_statm;
+	u32 iim_err;
+	u32 iim_emask;
+	u32 iim_fctl;
+	u32 iim_ua;
+	u32 iim_la;
+	u32 iim_sdat;
+	u32 iim_prev;
+	u32 iim_srev;
+	u32 iim_prog_p;
+	u32 res1[0x1f5];
+	u32 iim_bank_area0[0x20];
+	u32 res2[0xe0];
+	u32 iim_bank_area1[0x20];
+	u32 res3[0xe0];
+	u32 iim_bank_area2[0x20];
+};
+#endif
+
+/* AIPS 1 */
+#define IMX_AIPS1_BASE		(0x43F00000)
+#define IMX_MAX_BASE		(0x43F04000)
+#define IMX_CLKCTL_BASE		(0x43F08000)
+#define IMX_ETB_SLOT4_BASE	(0x43F0C000)
+#define IMX_ETB_SLOT5_BASE	(0x43F10000)
+#define IMX_ECT_CTIO_BASE	(0x43F18000)
+#define IMX_I2C_BASE		(0x43F80000)
+#define IMX_I2C3_BASE		(0x43F84000)
+#define IMX_CAN1_BASE		(0x43F88000)
+#define IMX_CAN2_BASE		(0x43F8C000)
+#define IMX_UART1_BASE		(0x43F90000)
+#define IMX_UART2_BASE		(0x43F94000)
+#define IMX_I2C2_BASE		(0x43F98000)
+#define IMX_OWIRE_BASE		(0x43F9C000)
+#define IMX_CSPI1_BASE		(0x43FA4000)
+#define IMX_KPP_BASE		(0x43FA8000)
+#define IMX_IOPADMUX_BASE	(0x43FAC000)
+#define IMX_IOPADCTL_BASE	(0x43FAC22C)
+#define IMX_IOPADGRPCTL_BASE	(0x43FAC418)
+#define IMX_IOPADINPUTSEL_BASE	(0x43FAC460)
+#define IMX_AUDMUX_BASE		(0x43FB0000)
+#define IMX_ECT_IP1_BASE	(0x43FB8000)
+#define IMX_ECT_IP2_BASE	(0x43FBC000)
+
+/* SPBA */
+#define IMX_SPBA_BASE		(0x50000000)
+#define IMX_CSPI3_BASE		(0x50004000)
+#define IMX_UART4_BASE		(0x50008000)
+#define IMX_UART3_BASE		(0x5000C000)
+#define IMX_CSPI2_BASE		(0x50010000)
+#define IMX_SSI2_BASE		(0x50014000)
+#define IMX_ESAI_BASE		(0x50018000)
+#define IMX_ATA_DMA_BASE	(0x50020000)
+#define IMX_SIM1_BASE		(0x50024000)
+#define IMX_SIM2_BASE		(0x50028000)
+#define IMX_UART5_BASE		(0x5002C000)
+#define IMX_TSC_BASE		(0x50030000)
+#define IMX_SSI1_BASE		(0x50034000)
+#define IMX_FEC_BASE		(0x50038000)
+#define IMX_SPBA_CTRL_BASE	(0x5003C000)
+
+/* AIPS 2 */
+#define IMX_AIPS2_BASE		(0x53F00000)
+#define IMX_CCM_BASE		(0x53F80000)
+#define IMX_GPT4_BASE		(0x53F84000)
+#define IMX_GPT3_BASE		(0x53F88000)
+#define IMX_GPT2_BASE		(0x53F8C000)
+#define IMX_GPT1_BASE		(0x53F90000)
+#define IMX_EPIT1_BASE		(0x53F94000)
+#define IMX_EPIT2_BASE		(0x53F98000)
+#define IMX_GPIO4_BASE		(0x53F9C000)
+#define IMX_PWM2_BASE		(0x53FA0000)
+#define IMX_GPIO3_BASE		(0x53FA4000)
+#define IMX_PWM3_BASE		(0x53FA8000)
+#define IMX_SCC_BASE		(0x53FAC000)
+#define IMX_SCM_BASE		(0x53FAE000)
+#define IMX_SMN_BASE		(0x53FAF000)
+#define IMX_RNGD_BASE		(0x53FB0000)
+#define IMX_MMC_SDHC1_BASE	(0x53FB4000)
+#define IMX_MMC_SDHC2_BASE	(0x53FB8000)
+#define IMX_LCDC_BASE		(0x53FBC000)
+#define IMX_SLCDC_BASE		(0x53FC0000)
+#define IMX_PWM4_BASE		(0x53FC8000)
+#define IMX_GPIO1_BASE		(0x53FCC000)
+#define IMX_GPIO2_BASE		(0x53FD0000)
+#define IMX_SDMA_BASE		(0x53FD4000)
+#define IMX_WDT_BASE		(0x53FDC000)
+#define IMX_PWM1_BASE		(0x53FE0000)
+#define IMX_RTIC_BASE		(0x53FEC000)
+#define IMX_IIM_BASE		(0x53FF0000)
+#define IMX_USB_BASE		(0x53FF4000)
+#define IMX_CSI_BASE		(0x53FF8000)
+#define IMX_DRYICE_BASE		(0x53FFC000)
+
+#define IMX_ARM926_ROMPATCH	(0x60000000)
+#define IMX_ARM926_ASIC		(0x68000000)
+
+/* 128K Internal Static RAM */
+#define IMX_RAM_BASE		(0x78000000)
+
+/* SDRAM BANKS */
+#define IMX_SDRAM_BANK0_BASE	(0x80000000)
+#define IMX_SDRAM_BANK1_BASE	(0x90000000)
+
+#define IMX_WEIM_CS0		(0xA0000000)
+#define IMX_WEIM_CS1		(0xA8000000)
+#define IMX_WEIM_CS2		(0xB0000000)
+#define IMX_WEIM_CS3		(0xB2000000)
+#define IMX_WEIM_CS4		(0xB4000000)
+#define IMX_ESDRAMC_BASE	(0xB8001000)
+#define IMX_WEIM_CTRL_BASE	(0xB8002000)
+#define IMX_M3IF_CTRL_BASE	(0xB8003000)
+#define IMX_EMI_CTRL_BASE	(0xB8004000)
+
+/* NAND Flash Controller */
+#define IMX_NFC_BASE		(0xBB000000)
+#define NFC_BASE_ADDR		IMX_NFC_BASE
+
+/* CCM bitfields */
+#define CCM_PLL_MFI_SHIFT	10
+#define CCM_PLL_MFI_MASK	0xf
+#define CCM_PLL_MFN_SHIFT	0
+#define CCM_PLL_MFN_MASK	0x3ff
+#define CCM_PLL_MFD_SHIFT	16
+#define CCM_PLL_MFD_MASK	0x3ff
+#define CCM_PLL_PD_SHIFT	26
+#define CCM_PLL_PD_MASK		0xf
+#define CCM_CCTL_ARM_DIV_SHIFT	30
+#define CCM_CCTL_ARM_DIV_MASK	3
+#define CCM_CCTL_AHB_DIV_SHIFT	28
+#define CCM_CCTL_AHB_DIV_MASK	3
+#define CCM_CCTL_ARM_SRC	(1 << 14)
+#define CCM_CGR1_GPT1		(1 << 19)
+#define CCM_PERCLK_REG(clk)	(clk / 4)
+#define CCM_PERCLK_SHIFT(clk)	(8 * (clk % 4))
+#define CCM_PERCLK_MASK		0x3f
+#define CCM_RCSR_NF_16BIT_SEL	(1 << 14)
+#define CCM_RCSR_NF_PS(v)	((v >> 26) & 3)
+
+/* ESDRAM Controller register bitfields */
+#define ESDCTL_PRCT(x)		(((x) & 0x3f) << 0)
+#define ESDCTL_BL		(1 << 7)
+#define ESDCTL_FP		(1 << 8)
+#define ESDCTL_PWDT(x)		(((x) & 3) << 10)
+#define ESDCTL_SREFR(x)		(((x) & 7) << 13)
+#define ESDCTL_DSIZ_16_UPPER	(0 << 16)
+#define ESDCTL_DSIZ_16_LOWER	(1 << 16)
+#define ESDCTL_DSIZ_32		(2 << 16)
+#define ESDCTL_COL8		(0 << 20)
+#define ESDCTL_COL9		(1 << 20)
+#define ESDCTL_COL10		(2 << 20)
+#define ESDCTL_ROW11		(0 << 24)
+#define ESDCTL_ROW12		(1 << 24)
+#define ESDCTL_ROW13		(2 << 24)
+#define ESDCTL_ROW14		(3 << 24)
+#define ESDCTL_ROW15		(4 << 24)
+#define ESDCTL_SP		(1 << 27)
+#define ESDCTL_SMODE_NORMAL	(0 << 28)
+#define ESDCTL_SMODE_PRECHARGE	(1 << 28)
+#define ESDCTL_SMODE_AUTO_REF	(2 << 28)
+#define ESDCTL_SMODE_LOAD_MODE	(3 << 28)
+#define ESDCTL_SMODE_MAN_REF	(4 << 28)
+#define ESDCTL_SDE		(1 << 31)
+
+#define ESDCFG_TRC(x)		(((x) & 0xf) << 0)
+#define ESDCFG_TRCD(x)		(((x) & 0x7) << 4)
+#define ESDCFG_TCAS(x)		(((x) & 0x3) << 8)
+#define ESDCFG_TRRD(x)		(((x) & 0x3) << 10)
+#define ESDCFG_TRAS(x)		(((x) & 0x7) << 12)
+#define ESDCFG_TWR		(1 << 15)
+#define ESDCFG_TMRD(x)		(((x) & 0x3) << 16)
+#define ESDCFG_TRP(x)		(((x) & 0x3) << 18)
+#define ESDCFG_TWTR		(1 << 20)
+#define ESDCFG_TXP(x)		(((x) & 0x3) << 21)
+
+#define ESDMISC_RST		(1 << 1)
+#define ESDMISC_MDDREN		(1 << 2)
+#define ESDMISC_MDDR_DL_RST	(1 << 3)
+#define ESDMISC_MDDR_MDIS	(1 << 4)
+#define ESDMISC_LHD		(1 << 5)
+#define ESDMISC_MA10_SHARE	(1 << 6)
+#define ESDMISC_SDRAM_RDY	(1 << 31)
+
+/* GPT bits */
+#define GPT_CTRL_SWR		(1 << 15)	/* Software reset */
+#define GPT_CTRL_FRR		(1 << 9)	/* Freerun / restart */
+#define GPT_CTRL_CLKSOURCE_32	(4 << 6)	/* Clock source	*/
+#define GPT_CTRL_TEN		1		/* Timer enable	*/
+
+/* WDOG enable */
+#define WCR_WDE 0x04
+
+/* FUSE bank offsets */
+#define IIM0_MAC		0x1a
+
+#endif				/* _IMX_REGS_H */
diff --git a/include/asm-arm/arch-mx25/imx25-pinmux.h b/include/asm-arm/arch-mx25/imx25-pinmux.h
new file mode 100644
index 0000000..a4c658b
--- /dev/null
+++ b/include/asm-arm/arch-mx25/imx25-pinmux.h
@@ -0,0 +1,421 @@
+/*
+ * iopin settings are controlled by four different sets of registers
+ *	iopad mux control
+ *	individual iopad setup (voltage select, pull/keep, drive strength ...)
+ *	group iopad setup (same as above but for groups of signals)
+ *	input select when multiple inputs are possible
+ */
+
+/*
+ * software pad mux control
+ */
+/* SW Input On (Loopback) */
+#define MX25_PIN_MUX_SION		(1 << 4)
+/* MUX Mode (0-7) */
+#define MX25_PIN_MUX_MODE(mode)		((mode & 0x7) << 0)
+struct iomuxc_mux_ctl {
+	u32 gpr1;
+	u32 observe_int_mux;
+	u32 pad_a10;
+	u32 pad_a13;
+	u32 pad_a14;
+	u32 pad_a15;
+	u32 pad_a16;
+	u32 pad_a17;
+	u32 pad_a18;
+	u32 pad_a19;
+	u32 pad_a20;
+	u32 pad_a21;
+	u32 pad_a22;
+	u32 pad_a23;
+	u32 pad_a24;
+	u32 pad_a25;
+	u32 pad_eb0;
+	u32 pad_eb1;
+	u32 pad_oe;
+	u32 pad_cs0;
+	u32 pad_cs1;
+	u32 pad_cs4;
+	u32 pad_cs5;
+	u32 pad_nf_ce0;
+	u32 pad_ecb;
+	u32 pad_lba;
+	u32 pad_bclk;
+	u32 pad_rw;
+	u32 pad_nfwe_b;
+	u32 pad_nfre_b;
+	u32 pad_nfale;
+	u32 pad_nfcle;
+	u32 pad_nfwp_b;
+	u32 pad_nfrb;
+	u32 pad_d15;
+	u32 pad_d14;
+	u32 pad_d13;
+	u32 pad_d12;
+	u32 pad_d11;
+	u32 pad_d10;
+	u32 pad_d9;
+	u32 pad_d8;
+	u32 pad_d7;
+	u32 pad_d6;
+	u32 pad_d5;
+	u32 pad_d4;
+	u32 pad_d3;
+	u32 pad_d2;
+	u32 pad_d1;
+	u32 pad_d0;
+	u32 pad_ld0;
+	u32 pad_ld1;
+	u32 pad_ld2;
+	u32 pad_ld3;
+	u32 pad_ld4;
+	u32 pad_ld5;
+	u32 pad_ld6;
+	u32 pad_ld7;
+	u32 pad_ld8;
+	u32 pad_ld9;
+	u32 pad_ld10;
+	u32 pad_ld11;
+	u32 pad_ld12;
+	u32 pad_ld13;
+	u32 pad_ld14;
+	u32 pad_ld15;
+	u32 pad_hsync;
+	u32 pad_vsync;
+	u32 pad_lsclk;
+	u32 pad_oe_acd;
+	u32 pad_contrast;
+	u32 pad_pwm;
+	u32 pad_csi_d2;
+	u32 pad_csi_d3;
+	u32 pad_csi_d4;
+	u32 pad_csi_d5;
+	u32 pad_csi_d6;
+	u32 pad_csi_d7;
+	u32 pad_csi_d8;
+	u32 pad_csi_d9;
+	u32 pad_csi_mclk;
+	u32 pad_csi_vsync;
+	u32 pad_csi_hsync;
+	u32 pad_csi_pixclk;
+	u32 pad_i2c1_clk;
+	u32 pad_i2c1_dat;
+	u32 pad_cspi1_mosi;
+	u32 pad_cspi1_miso;
+	u32 pad_cspi1_ss0;
+	u32 pad_cspi1_ss1;
+	u32 pad_cspi1_sclk;
+	u32 pad_cspi1_rdy;
+	u32 pad_uart1_rxd;
+	u32 pad_uart1_txd;
+	u32 pad_uart1_rts;
+	u32 pad_uart1_cts;
+	u32 pad_uart2_rxd;
+	u32 pad_uart2_txd;
+	u32 pad_uart2_rts;
+	u32 pad_uart2_cts;
+	u32 pad_sd1_cmd;
+	u32 pad_sd1_clk;
+	u32 pad_sd1_data0;
+	u32 pad_sd1_data1;
+	u32 pad_sd1_data2;
+	u32 pad_sd1_data3;
+	u32 pad_kpp_row0;
+	u32 pad_kpp_row1;
+	u32 pad_kpp_row2;
+	u32 pad_kpp_row3;
+	u32 pad_kpp_col0;
+	u32 pad_kpp_col1;
+	u32 pad_kpp_col2;
+	u32 pad_kpp_col3;
+	u32 pad_fec_mdc;
+	u32 pad_fec_mdio;
+	u32 pad_fec_tdata0;
+	u32 pad_fec_tdata1;
+	u32 pad_fec_tx_en;
+	u32 pad_fec_rdata0;
+	u32 pad_fec_rdata1;
+	u32 pad_fec_rx_dv;
+	u32 pad_fec_tx_clk;
+	u32 pad_rtck;
+	u32 pad_de_b;
+	u32 pad_gpio_a;
+	u32 pad_gpio_b;
+	u32 pad_gpio_c;
+	u32 pad_gpio_d;
+	u32 pad_gpio_e;
+	u32 pad_gpio_f;
+	u32 pad_ext_armclk;
+	u32 pad_upll_bypclk;
+	u32 pad_vstby_req;
+	u32 pad_vstby_ack;
+	u32 pad_power_fail;
+	u32 pad_clko;
+	u32 pad_boot_mode0;
+	u32 pad_boot_mode1;
+};
+
+/*
+ * software pad control
+ */
+/* Select 3.3 or 1.8 volts */
+#define MX25_PIN_PAD_CTL_DVS_33			(0 << 13)
+#define MX25_PIN_PAD_CTL_DVS_18			(1 << 13)
+/* Enable hysteresis */
+#define MX25_PIN_PAD_CTL_HYS			(1 << 8)
+/* Enable pull/keeper */
+#define MX25_PIN_PAD_CTL_PKE			(1 << 7)
+/* 0 - keeper / 1 - pull */
+#define MX25_PIN_PAD_CTL_PUE			(1 << 6)
+/* pull up/down strength */
+#define MX25_PIN_PAD_CTL_100K_PD		(0 << 4)
+#define MX25_PIN_PAD_CTL_47K_PU			(1 << 4)
+#define MX25_PIN_PAD_CTL_100K_PU		(2 << 4)
+#define MX25_PIN_PAD_CTL_22K_PU			(3 << 4)
+/* open drain control */
+#define MX25_PIN_PAD_CTL_OD			(1 << 3)
+/* drive strength */
+#define MX25_PIN_PAD_CTL_DS_NOM			(0 << 1)
+#define MX25_PIN_PAD_CTL_DS_HIGH		(1 << 1)
+#define MX25_PIN_PAD_CTL_DS_MAX			(2 << 1)
+#define MX25_PIN_PAD_CTL_DS_MAX11		(3 << 1)
+/* slew rate */
+#define MX25_PIN_PAD_CTL_SRE_SLOW		(0 << 0)
+#define MX25_PIN_PAD_CTL_SRE_FAST		(1 << 0)
+struct  iomuxc_pad_ctl {
+	u32 pad_a13;
+	u32 pad_a14;
+	u32 pad_a15;
+	u32 pad_a17;
+	u32 pad_a18;
+	u32 pad_a19;
+	u32 pad_a20;
+	u32 pad_a21;
+	u32 pad_a23;
+	u32 pad_a24;
+	u32 pad_a25;
+	u32 pad_eb0;
+	u32 pad_eb1;
+	u32 pad_oe;
+	u32 pad_cs4;
+	u32 pad_cs5;
+	u32 pad_nf_ce0;
+	u32 pad_ecb;
+	u32 pad_lba;
+	u32 pad_rw;
+	u32 pad_nfrb;
+	u32 pad_d15;
+	u32 pad_d14;
+	u32 pad_d13;
+	u32 pad_d12;
+	u32 pad_d11;
+	u32 pad_d10;
+	u32 pad_d9;
+	u32 pad_d8;
+	u32 pad_d7;
+	u32 pad_d6;
+	u32 pad_d5;
+	u32 pad_d4;
+	u32 pad_d3;
+	u32 pad_d2;
+	u32 pad_d1;
+	u32 pad_d0;
+	u32 pad_ld0;
+	u32 pad_ld1;
+	u32 pad_ld2;
+	u32 pad_ld3;
+	u32 pad_ld4;
+	u32 pad_ld5;
+	u32 pad_ld6;
+	u32 pad_ld7;
+	u32 pad_ld8;
+	u32 pad_ld9;
+	u32 pad_ld10;
+	u32 pad_ld11;
+	u32 pad_ld12;
+	u32 pad_ld13;
+	u32 pad_ld14;
+	u32 pad_ld15;
+	u32 pad_hsync;
+	u32 pad_vsync;
+	u32 pad_lsclk;
+	u32 pad_oe_acd;
+	u32 pad_contrast;
+	u32 pad_pwm;
+	u32 pad_csi_d2;
+	u32 pad_csi_d3;
+	u32 pad_csi_d4;
+	u32 pad_csi_d5;
+	u32 pad_csi_d6;
+	u32 pad_csi_d7;
+	u32 pad_csi_d8;
+	u32 pad_csi_d9;
+	u32 pad_csi_mclk;
+	u32 pad_csi_vsync;
+	u32 pad_csi_hsync;
+	u32 pad_csi_pixclk;
+	u32 pad_i2c1_clk;
+	u32 pad_i2c1_dat;
+	u32 pad_cspi1_mosi;
+	u32 pad_cspi1_miso;
+	u32 pad_cspi1_ss0;
+	u32 pad_cspi1_ss1;
+	u32 pad_cspi1_sclk;
+	u32 pad_cspi1_rdy;
+	u32 pad_uart1_rxd;
+	u32 pad_uart1_txd;
+	u32 pad_uart1_rts;
+	u32 pad_uart1_cts;
+	u32 pad_uart2_rxd;
+	u32 pad_uart2_txd;
+	u32 pad_uart2_rts;
+	u32 pad_uart2_cts;
+	u32 pad_sd1_cmd;
+	u32 pad_sd1_clk;
+	u32 pad_sd1_data0;
+	u32 pad_sd1_data1;
+	u32 pad_sd1_data2;
+	u32 pad_sd1_data3;
+	u32 pad_kpp_row0;
+	u32 pad_kpp_row1;
+	u32 pad_kpp_row2;
+	u32 pad_kpp_row3;
+	u32 pad_kpp_col0;
+	u32 pad_kpp_col1;
+	u32 pad_kpp_col2;
+	u32 pad_kpp_col3;
+	u32 pad_fec_mdc;
+	u32 pad_fec_mdio;
+	u32 pad_fec_tdata0;
+	u32 pad_fec_tdata1;
+	u32 pad_fec_tx_en;
+	u32 pad_fec_rdata0;
+	u32 pad_fec_rdata1;
+	u32 pad_fec_rx_dv;
+	u32 pad_fec_tx_clk;
+	u32 pad_rtck;
+	u32 pad_tdo;
+	u32 pad_de_b;
+	u32 pad_gpio_a;
+	u32 pad_gpio_b;
+	u32 pad_gpio_c;
+	u32 pad_gpio_d;
+	u32 pad_gpio_e;
+	u32 pad_gpio_f;
+	u32 pad_vstby_req;
+	u32 pad_vstby_ack;
+	u32 pad_power_fail;
+	u32 pad_clko;
+};
+
+
+/*
+ * Pad group drive strength and voltage select
+ * Same fields as iomuxc_pad_ctl plus ddr type
+ */
+/* Select DDR type */
+#define MX25_PIN_PAD_CTL_DDR_18			(0 << 11)
+#define MX25_PIN_PAD_CTL_DDR_33			(1 << 11)
+#define MX25_PIN_PAD_CTL_DDR_MAX		(2 << 11)
+struct iomuxc_pad_grp_ctl {
+	u32 grp_dvs_misc;
+	u32 grp_dse_fec;
+	u32 grp_dvs_jtag;
+	u32 grp_dse_nfc;
+	u32 grp_dse_csi;
+	u32 grp_dse_weim;
+	u32 grp_dse_ddr;
+	u32 grp_dvs_crm;
+	u32 grp_dse_kpp;
+	u32 grp_dse_sdhc1;
+	u32 grp_dse_lcd;
+	u32 grp_dse_uart;
+	u32 grp_dvs_nfc;
+	u32 grp_dvs_csi;
+	u32 grp_dse_cspi1;
+	u32 grp_ddrtype;
+	u32 grp_dvs_sdhc1;
+	u32 grp_dvs_lcd;
+};
+
+/*
+ * Pad input select control
+ * Select which pad to connect to an input port
+ * where multiple pads can function as given input
+ */
+#define MX25_PAD_INPUT_SELECT_DAISY(in)		((in & 0x7) << 0)
+struct iomuxc_pad_input_select {
+	u32 audmux_p4_input_da_amx;
+	u32 audmux_p4_input_db_amx;
+	u32 audmux_p4_input_rxclk_amx;
+	u32 audmux_p4_input_rxfs_amx;
+	u32 audmux_p4_input_txclk_amx;
+	u32 audmux_p4_input_txfs_amx;
+	u32 audmux_p7_input_da_amx;
+	u32 audmux_p7_input_txfs_amx;
+	u32 can1_ipp_ind_canrx;
+	u32 can2_ipp_ind_canrx;
+	u32 csi_ipp_csi_d_0;
+	u32 csi_ipp_csi_d_1;
+	u32 cspi1_ipp_ind_ss3_b;
+	u32 cspi2_ipp_cspi_clk_in;
+	u32 cspi2_ipp_ind_dataready_b;
+	u32 cspi2_ipp_ind_miso;
+	u32 cspi2_ipp_ind_mosi;
+	u32 cspi2_ipp_ind_ss0_b;
+	u32 cspi2_ipp_ind_ss1_b;
+	u32 cspi3_ipp_cspi_clk_in;
+	u32 cspi3_ipp_ind_dataready_b;
+	u32 cspi3_ipp_ind_miso;
+	u32 cspi3_ipp_ind_mosi;
+	u32 cspi3_ipp_ind_ss0_b;
+	u32 cspi3_ipp_ind_ss1_b;
+	u32 cspi3_ipp_ind_ss2_b;
+	u32 cspi3_ipp_ind_ss3_b;
+	u32 esdhc1_ipp_dat4_in;
+	u32 esdhc1_ipp_dat5_in;
+	u32 esdhc1_ipp_dat6_in;
+	u32 esdhc1_ipp_dat7_in;
+	u32 esdhc2_ipp_card_clk_in;
+	u32 esdhc2_ipp_cmd_in;
+	u32 esdhc2_ipp_dat0_in;
+	u32 esdhc2_ipp_dat1_in;
+	u32 esdhc2_ipp_dat2_in;
+	u32 esdhc2_ipp_dat3_in;
+	u32 esdhc2_ipp_dat4_in;
+	u32 esdhc2_ipp_dat5_in;
+	u32 esdhc2_ipp_dat6_in;
+	u32 esdhc2_ipp_dat7_in;
+	u32 fec_fec_col;
+	u32 fec_fec_crs;
+	u32 fec_fec_rdata_2;
+	u32 fec_fec_rdata_3;
+	u32 fec_fec_rx_clk;
+	u32 fec_fec_rx_er;
+	u32 i2c2_ipp_scl_in;
+	u32 i2c2_ipp_sda_in;
+	u32 i2c3_ipp_scl_in;
+	u32 i2c3_ipp_sda_in;
+	u32 kpp_ipp_ind_col_4;
+	u32 kpp_ipp_ind_col_5;
+	u32 kpp_ipp_ind_col_6;
+	u32 kpp_ipp_ind_col_7;
+	u32 kpp_ipp_ind_row_4;
+	u32 kpp_ipp_ind_row_5;
+	u32 kpp_ipp_ind_row_6;
+	u32 kpp_ipp_ind_row_7;
+	u32 sim1_pin_sim_rcvd1_in;
+	u32 sim1_pin_sim_simpd1;
+	u32 sim1_sim_rcvd1_io;
+	u32 sim2_pin_sim_rcvd1_in;
+	u32 sim2_pin_sim_simpd1;
+	u32 sim2_sim_rcvd1_io;
+	u32 uart3_ipp_uart_rts_b;
+	u32 uart3_ipp_uart_rxd_mux;
+	u32 uart4_ipp_uart_rts_b;
+	u32 uart4_ipp_uart_rxd_mux;
+	u32 uart5_ipp_uart_rts_b;
+	u32 uart5_ipp_uart_rxd_mux;
+	u32 usb_top_ipp_ind_otg_usb_oc;
+	u32 usb_top_ipp_ind_uh2_usb_oc;
+};