mxc: Core support for Freescale i.MX5 series

Add basic clock support, cpu identification, I/O mapping, interrupt
controller, serial port and ethernet.

Signed-off-by: Amit Kucheria <amit.kucheria@canonical.com>

6 files changed, 1644 insertions, 0 deletions

diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c
new file mode 100644
index 000000000000..be90c03101cd
--- /dev/null
+++ b/arch/arm/mach-mx5/clock-mx51.c
@@ -0,0 +1,825 @@
+/*
+ * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/mm.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <asm/clkdev.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/clock.h>
+
+#include "crm_regs.h"
+
+/* External clock values passed-in by the board code */
+static unsigned long external_high_reference, external_low_reference;
+static unsigned long oscillator_reference, ckih2_reference;
+
+static struct clk osc_clk;
+static struct clk pll1_main_clk;
+static struct clk pll1_sw_clk;
+static struct clk pll2_sw_clk;
+static struct clk pll3_sw_clk;
+static struct clk lp_apm_clk;
+static struct clk periph_apm_clk;
+static struct clk ahb_clk;
+static struct clk ipg_clk;
+
+#define MAX_DPLL_WAIT_TRIES     1000 /* 1000 * udelay(1) = 1ms */
+
+static int _clk_ccgr_enable(struct clk *clk)
+{
+        u32 reg;
+
+        reg = __raw_readl(clk->enable_reg);
+        reg |= MXC_CCM_CCGRx_MOD_ON << clk->enable_shift;
+        __raw_writel(reg, clk->enable_reg);
+
+        return 0;
+}
+
+static void _clk_ccgr_disable(struct clk *clk)
+{
+        u32 reg;
+        reg = __raw_readl(clk->enable_reg);
+        reg &= ~(MXC_CCM_CCGRx_MOD_OFF << clk->enable_shift);
+        __raw_writel(reg, clk->enable_reg);
+
+}
+
+static void _clk_ccgr_disable_inwait(struct clk *clk)
+{
+        u32 reg;
+
+        reg = __raw_readl(clk->enable_reg);
+        reg &= ~(MXC_CCM_CCGRx_CG_MASK << clk->enable_shift);
+        reg |= MXC_CCM_CCGRx_MOD_IDLE << clk->enable_shift;
+        __raw_writel(reg, clk->enable_reg);
+}
+
+/*
+ * For the 4-to-1 muxed input clock
+ */
+static inline u32 _get_mux(struct clk *parent, struct clk *m0,
+                           struct clk *m1, struct clk *m2, struct clk *m3)
+{
+        if (parent == m0)
+                return 0;
+        else if (parent == m1)
+                return 1;
+        else if (parent == m2)
+                return 2;
+        else if (parent == m3)
+                return 3;
+        else
+                BUG();
+
+        return -EINVAL;
+}
+
+static inline void __iomem *_get_pll_base(struct clk *pll)
+{
+        if (pll == &pll1_main_clk)
+                return MX51_DPLL1_BASE;
+        else if (pll == &pll2_sw_clk)
+                return MX51_DPLL2_BASE;
+        else if (pll == &pll3_sw_clk)
+                return MX51_DPLL3_BASE;
+        else
+                BUG();
+
+        return NULL;
+}
+
+static unsigned long clk_pll_get_rate(struct clk *clk)
+{
+        long mfi, mfn, mfd, pdf, ref_clk, mfn_abs;
+        unsigned long dp_op, dp_mfd, dp_mfn, dp_ctl, pll_hfsm, dbl;
+        void __iomem *pllbase;
+        s64 temp;
+        unsigned long parent_rate;
+
+        parent_rate = clk_get_rate(clk->parent);
+
+        pllbase = _get_pll_base(clk);
+
+        dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
+        pll_hfsm = dp_ctl & MXC_PLL_DP_CTL_HFSM;
+        dbl = dp_ctl & MXC_PLL_DP_CTL_DPDCK0_2_EN;
+
+        if (pll_hfsm == 0) {
+                dp_op = __raw_readl(pllbase + MXC_PLL_DP_OP);
+                dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_MFD);
+                dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_MFN);
+        } else {
+                dp_op = __raw_readl(pllbase + MXC_PLL_DP_HFS_OP);
+                dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFD);
+                dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFN);
+        }
+        pdf = dp_op & MXC_PLL_DP_OP_PDF_MASK;
+        mfi = (dp_op & MXC_PLL_DP_OP_MFI_MASK) >> MXC_PLL_DP_OP_MFI_OFFSET;
+        mfi = (mfi <= 5) ? 5 : mfi;
+        mfd = dp_mfd & MXC_PLL_DP_MFD_MASK;
+        mfn = mfn_abs = dp_mfn & MXC_PLL_DP_MFN_MASK;
+        /* Sign extend to 32-bits */
+        if (mfn >= 0x04000000) {
+                mfn |= 0xFC000000;
+                mfn_abs = -mfn;
+        }
+
+        ref_clk = 2 * parent_rate;
+        if (dbl != 0)
+                ref_clk *= 2;
+
+        ref_clk /= (pdf + 1);
+        temp = (u64) ref_clk * mfn_abs;
+        do_div(temp, mfd + 1);
+        if (mfn < 0)
+                temp = -temp;
+        temp = (ref_clk * mfi) + temp;
+
+        return temp;
+}
+
+static int _clk_pll_set_rate(struct clk *clk, unsigned long rate)
+{
+        u32 reg;
+        void __iomem *pllbase;
+
+        long mfi, pdf, mfn, mfd = 999999;
+        s64 temp64;
+        unsigned long quad_parent_rate;
+        unsigned long pll_hfsm, dp_ctl;
+        unsigned long parent_rate;
+
+        parent_rate = clk_get_rate(clk->parent);
+
+        pllbase = _get_pll_base(clk);
+
+        quad_parent_rate = 4 * parent_rate;
+        pdf = mfi = -1;
+        while (++pdf < 16 && mfi < 5)
+                mfi = rate * (pdf+1) / quad_parent_rate;
+        if (mfi > 15)
+                return -EINVAL;
+        pdf--;
+
+        temp64 = rate * (pdf+1) - quad_parent_rate * mfi;
+        do_div(temp64, quad_parent_rate/1000000);
+        mfn = (long)temp64;
+
+        dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
+        /* use dpdck0_2 */
+        __raw_writel(dp_ctl | 0x1000L, pllbase + MXC_PLL_DP_CTL);
+        pll_hfsm = dp_ctl & MXC_PLL_DP_CTL_HFSM;
+        if (pll_hfsm == 0) {
+                reg = mfi << 4 | pdf;
+                __raw_writel(reg, pllbase + MXC_PLL_DP_OP);
+                __raw_writel(mfd, pllbase + MXC_PLL_DP_MFD);
+                __raw_writel(mfn, pllbase + MXC_PLL_DP_MFN);
+        } else {
+                reg = mfi << 4 | pdf;
+                __raw_writel(reg, pllbase + MXC_PLL_DP_HFS_OP);
+                __raw_writel(mfd, pllbase + MXC_PLL_DP_HFS_MFD);
+                __raw_writel(mfn, pllbase + MXC_PLL_DP_HFS_MFN);
+        }
+
+        return 0;
+}
+
+static int _clk_pll_enable(struct clk *clk)
+{
+        u32 reg;
+        void __iomem *pllbase;
+        int i = 0;
+
+        pllbase = _get_pll_base(clk);
+        reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) | MXC_PLL_DP_CTL_UPEN;
+        __raw_writel(reg, pllbase + MXC_PLL_DP_CTL);
+
+        /* Wait for lock */
+        do {
+                reg = __raw_readl(pllbase + MXC_PLL_DP_CTL);
+                if (reg & MXC_PLL_DP_CTL_LRF)
+                        break;
+
+                udelay(1);
+        } while (++i < MAX_DPLL_WAIT_TRIES);
+
+        if (i == MAX_DPLL_WAIT_TRIES) {
+                pr_err("MX5: pll locking failed\n");
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static void _clk_pll_disable(struct clk *clk)
+{
+        u32 reg;
+        void __iomem *pllbase;
+
+        pllbase = _get_pll_base(clk);
+        reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) & ~MXC_PLL_DP_CTL_UPEN;
+        __raw_writel(reg, pllbase + MXC_PLL_DP_CTL);
+}
+
+static int _clk_pll1_sw_set_parent(struct clk *clk, struct clk *parent)
+{
+        u32 reg, step;
+
+        reg = __raw_readl(MXC_CCM_CCSR);
+
+        /* When switching from pll_main_clk to a bypass clock, first select a
+         * multiplexed clock in 'step_sel', then shift the glitchless mux
+         * 'pll1_sw_clk_sel'.
+         *
+         * When switching back, do it in reverse order
+         */
+        if (parent == &pll1_main_clk) {
+                /* Switch to pll1_main_clk */
+                reg &= ~MXC_CCM_CCSR_PLL1_SW_CLK_SEL;
+                __raw_writel(reg, MXC_CCM_CCSR);
+                /* step_clk mux switched to lp_apm, to save power. */
+                reg = __raw_readl(MXC_CCM_CCSR);
+                reg &= ~MXC_CCM_CCSR_STEP_SEL_MASK;
+                reg |= (MXC_CCM_CCSR_STEP_SEL_LP_APM <<
+                                MXC_CCM_CCSR_STEP_SEL_OFFSET);
+        } else {
+                if (parent == &lp_apm_clk) {
+                        step = MXC_CCM_CCSR_STEP_SEL_LP_APM;
+                } else  if (parent == &pll2_sw_clk) {
+                        step = MXC_CCM_CCSR_STEP_SEL_PLL2_DIVIDED;
+                } else  if (parent == &pll3_sw_clk) {
+                        step = MXC_CCM_CCSR_STEP_SEL_PLL3_DIVIDED;
+                } else
+                        return -EINVAL;
+
+                reg &= ~MXC_CCM_CCSR_STEP_SEL_MASK;
+                reg |= (step << MXC_CCM_CCSR_STEP_SEL_OFFSET);
+
+                __raw_writel(reg, MXC_CCM_CCSR);
+                /* Switch to step_clk */
+                reg = __raw_readl(MXC_CCM_CCSR);
+                reg |= MXC_CCM_CCSR_PLL1_SW_CLK_SEL;
+        }
+        __raw_writel(reg, MXC_CCM_CCSR);
+        return 0;
+}
+
+static unsigned long clk_pll1_sw_get_rate(struct clk *clk)
+{
+        u32 reg, div;
+        unsigned long parent_rate;
+
+        parent_rate = clk_get_rate(clk->parent);
+
+        reg = __raw_readl(MXC_CCM_CCSR);
+
+        if (clk->parent == &pll2_sw_clk) {
+                div = ((reg & MXC_CCM_CCSR_PLL2_PODF_MASK) >>
+                       MXC_CCM_CCSR_PLL2_PODF_OFFSET) + 1;
+        } else if (clk->parent == &pll3_sw_clk) {
+                div = ((reg & MXC_CCM_CCSR_PLL3_PODF_MASK) >>
+                       MXC_CCM_CCSR_PLL3_PODF_OFFSET) + 1;
+        } else
+                div = 1;
+        return parent_rate / div;
+}
+
+static int _clk_pll2_sw_set_parent(struct clk *clk, struct clk *parent)
+{
+        u32 reg;
+
+        reg = __raw_readl(MXC_CCM_CCSR);
+
+        if (parent == &pll2_sw_clk)
+                reg &= ~MXC_CCM_CCSR_PLL2_SW_CLK_SEL;
+        else
+                reg |= MXC_CCM_CCSR_PLL2_SW_CLK_SEL;
+
+        __raw_writel(reg, MXC_CCM_CCSR);
+        return 0;
+}
+
+static int _clk_lp_apm_set_parent(struct clk *clk, struct clk *parent)
+{
+        u32 reg;
+
+        if (parent == &osc_clk)
+                reg = __raw_readl(MXC_CCM_CCSR) & ~MXC_CCM_CCSR_LP_APM_SEL;
+        else
+                return -EINVAL;
+
+        __raw_writel(reg, MXC_CCM_CCSR);
+
+        return 0;
+}
+
+static unsigned long clk_arm_get_rate(struct clk *clk)
+{
+        u32 cacrr, div;
+        unsigned long parent_rate;
+
+        parent_rate = clk_get_rate(clk->parent);
+        cacrr = __raw_readl(MXC_CCM_CACRR);
+        div = (cacrr & MXC_CCM_CACRR_ARM_PODF_MASK) + 1;
+
+        return parent_rate / div;
+}
+
+static int _clk_periph_apm_set_parent(struct clk *clk, struct clk *parent)
+{
+        u32 reg, mux;
+        int i = 0;
+
+        mux = _get_mux(parent, &pll1_sw_clk, &pll3_sw_clk, &lp_apm_clk, NULL);
+
+        reg = __raw_readl(MXC_CCM_CBCMR) & ~MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK;
+        reg |= mux << MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET;
+        __raw_writel(reg, MXC_CCM_CBCMR);
+
+        /* Wait for lock */
+        do {
+                reg = __raw_readl(MXC_CCM_CDHIPR);
+                if (!(reg &  MXC_CCM_CDHIPR_PERIPH_CLK_SEL_BUSY))
+                        break;
+
+                udelay(1);
+        } while (++i < MAX_DPLL_WAIT_TRIES);
+
+        if (i == MAX_DPLL_WAIT_TRIES) {
+                pr_err("MX5: Set parent for periph_apm clock failed\n");
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static int _clk_main_bus_set_parent(struct clk *clk, struct clk *parent)
+{
+        u32 reg;
+
+        reg = __raw_readl(MXC_CCM_CBCDR);
+
+        if (parent == &pll2_sw_clk)
+                reg &= ~MXC_CCM_CBCDR_PERIPH_CLK_SEL;
+        else if (parent == &periph_apm_clk)
+                reg |= MXC_CCM_CBCDR_PERIPH_CLK_SEL;
+        else
+                return -EINVAL;
+
+        __raw_writel(reg, MXC_CCM_CBCDR);
+
+        return 0;
+}
+
+static struct clk main_bus_clk = {
+        .parent = &pll2_sw_clk,
+        .set_parent = _clk_main_bus_set_parent,
+};
+
+static unsigned long clk_ahb_get_rate(struct clk *clk)
+{
+        u32 reg, div;
+        unsigned long parent_rate;
+
+        parent_rate = clk_get_rate(clk->parent);
+
+        reg = __raw_readl(MXC_CCM_CBCDR);
+        div = ((reg & MXC_CCM_CBCDR_AHB_PODF_MASK) >>
+               MXC_CCM_CBCDR_AHB_PODF_OFFSET) + 1;
+        return parent_rate / div;
+}
+
+
+static int _clk_ahb_set_rate(struct clk *clk, unsigned long rate)
+{
+        u32 reg, div;
+        unsigned long parent_rate;
+        int i = 0;
+
+        parent_rate = clk_get_rate(clk->parent);
+
+        div = parent_rate / rate;
+        if (div > 8 || div < 1 || ((parent_rate / div) != rate))
+                return -EINVAL;
+
+        reg = __raw_readl(MXC_CCM_CBCDR);
+        reg &= ~MXC_CCM_CBCDR_AHB_PODF_MASK;
+        reg |= (div - 1) << MXC_CCM_CBCDR_AHB_PODF_OFFSET;
+        __raw_writel(reg, MXC_CCM_CBCDR);
+
+        /* Wait for lock */
+        do {
+                reg = __raw_readl(MXC_CCM_CDHIPR);
+                if (!(reg & MXC_CCM_CDHIPR_AHB_PODF_BUSY))
+                        break;
+
+                udelay(1);
+        } while (++i < MAX_DPLL_WAIT_TRIES);
+
+        if (i == MAX_DPLL_WAIT_TRIES) {
+                pr_err("MX5: clk_ahb_set_rate failed\n");
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static unsigned long _clk_ahb_round_rate(struct clk *clk,
+                                                unsigned long rate)
+{
+        u32 div;
+        unsigned long parent_rate;
+
+        parent_rate = clk_get_rate(clk->parent);
+
+        div = parent_rate / rate;
+        if (div > 8)
+                div = 8;
+        else if (div == 0)
+                div++;
+        return parent_rate / div;
+}
+
+
+static int _clk_max_enable(struct clk *clk)
+{
+        u32 reg;
+
+        _clk_ccgr_enable(clk);
+
+        /* Handshake with MAX when LPM is entered. */
+        reg = __raw_readl(MXC_CCM_CLPCR);
+        reg &= ~MXC_CCM_CLPCR_BYPASS_MAX_LPM_HS;
+        __raw_writel(reg, MXC_CCM_CLPCR);
+
+        return 0;
+}
+
+static void _clk_max_disable(struct clk *clk)
+{
+        u32 reg;
+
+        _clk_ccgr_disable_inwait(clk);
+
+        /* No Handshake with MAX when LPM is entered as its disabled. */
+        reg = __raw_readl(MXC_CCM_CLPCR);
+        reg |= MXC_CCM_CLPCR_BYPASS_MAX_LPM_HS;
+        __raw_writel(reg, MXC_CCM_CLPCR);
+}
+
+static unsigned long clk_ipg_get_rate(struct clk *clk)
+{
+        u32 reg, div;
+        unsigned long parent_rate;
+
+        parent_rate = clk_get_rate(clk->parent);
+
+        reg = __raw_readl(MXC_CCM_CBCDR);
+        div = ((reg & MXC_CCM_CBCDR_IPG_PODF_MASK) >>
+               MXC_CCM_CBCDR_IPG_PODF_OFFSET) + 1;
+
+        return parent_rate / div;
+}
+
+static unsigned long clk_ipg_per_get_rate(struct clk *clk)
+{
+        u32 reg, prediv1, prediv2, podf;
+        unsigned long parent_rate;
+
+        parent_rate = clk_get_rate(clk->parent);
+
+        if (clk->parent == &main_bus_clk || clk->parent == &lp_apm_clk) {
+                /* the main_bus_clk is the one before the DVFS engine */
+                reg = __raw_readl(MXC_CCM_CBCDR);
+                prediv1 = ((reg & MXC_CCM_CBCDR_PERCLK_PRED1_MASK) >>
+                           MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET) + 1;
+                prediv2 = ((reg & MXC_CCM_CBCDR_PERCLK_PRED2_MASK) >>
+                           MXC_CCM_CBCDR_PERCLK_PRED2_OFFSET) + 1;
+                podf = ((reg & MXC_CCM_CBCDR_PERCLK_PODF_MASK) >>
+                        MXC_CCM_CBCDR_PERCLK_PODF_OFFSET) + 1;
+                return parent_rate / (prediv1 * prediv2 * podf);
+        } else if (clk->parent == &ipg_clk)
+                return parent_rate;
+        else
+                BUG();
+}
+
+static int _clk_ipg_per_set_parent(struct clk *clk, struct clk *parent)
+{
+        u32 reg;
+
+        reg = __raw_readl(MXC_CCM_CBCMR);
+
+        reg &= ~MXC_CCM_CBCMR_PERCLK_LP_APM_CLK_SEL;
+        reg &= ~MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL;
+
+        if (parent == &ipg_clk)
+                reg |= MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL;
+        else if (parent == &lp_apm_clk)
+                reg |= MXC_CCM_CBCMR_PERCLK_LP_APM_CLK_SEL;
+        else if (parent != &main_bus_clk)
+                return -EINVAL;
+
+        __raw_writel(reg, MXC_CCM_CBCMR);
+
+        return 0;
+}
+
+static unsigned long clk_uart_get_rate(struct clk *clk)
+{
+        u32 reg, prediv, podf;
+        unsigned long parent_rate;
+
+        parent_rate = clk_get_rate(clk->parent);
+
+        reg = __raw_readl(MXC_CCM_CSCDR1);
+        prediv = ((reg & MXC_CCM_CSCDR1_UART_CLK_PRED_MASK) >>
+                  MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET) + 1;
+        podf = ((reg & MXC_CCM_CSCDR1_UART_CLK_PODF_MASK) >>
+                MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET) + 1;
+
+        return parent_rate / (prediv * podf);
+}
+
+static int _clk_uart_set_parent(struct clk *clk, struct clk *parent)
+{
+        u32 reg, mux;
+
+        mux = _get_mux(parent, &pll1_sw_clk, &pll2_sw_clk, &pll3_sw_clk,
+                       &lp_apm_clk);
+        reg = __raw_readl(MXC_CCM_CSCMR1) & ~MXC_CCM_CSCMR1_UART_CLK_SEL_MASK;
+        reg |= mux << MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET;
+        __raw_writel(reg, MXC_CCM_CSCMR1);
+
+        return 0;
+}
+
+static unsigned long get_high_reference_clock_rate(struct clk *clk)
+{
+        return external_high_reference;
+}
+
+static unsigned long get_low_reference_clock_rate(struct clk *clk)
+{
+        return external_low_reference;
+}
+
+static unsigned long get_oscillator_reference_clock_rate(struct clk *clk)
+{
+        return oscillator_reference;
+}
+
+static unsigned long get_ckih2_reference_clock_rate(struct clk *clk)
+{
+        return ckih2_reference;
+}
+
+/* External high frequency clock */
+static struct clk ckih_clk = {
+        .get_rate = get_high_reference_clock_rate,
+};
+
+static struct clk ckih2_clk = {
+        .get_rate = get_ckih2_reference_clock_rate,
+};
+
+static struct clk osc_clk = {
+        .get_rate = get_oscillator_reference_clock_rate,
+};
+
+/* External low frequency (32kHz) clock */
+static struct clk ckil_clk = {
+        .get_rate = get_low_reference_clock_rate,
+};
+
+static struct clk pll1_main_clk = {
+        .parent = &osc_clk,
+        .get_rate = clk_pll_get_rate,
+        .enable = _clk_pll_enable,
+        .disable = _clk_pll_disable,
+};
+
+/* Clock tree block diagram (WIP):
+ *      CCM: Clock Controller Module
+ *
+ * PLL output -> |
+ *               | CCM Switcher -> CCM_CLK_ROOT_GEN ->
+ * PLL bypass -> |
+ *
+ */
+
+/* PLL1 SW supplies to ARM core */
+static struct clk pll1_sw_clk = {
+        .parent = &pll1_main_clk,
+        .set_parent = _clk_pll1_sw_set_parent,
+        .get_rate = clk_pll1_sw_get_rate,
+};
+
+/* PLL2 SW supplies to AXI/AHB/IP buses */
+static struct clk pll2_sw_clk = {
+        .parent = &osc_clk,
+        .get_rate = clk_pll_get_rate,
+        .set_rate = _clk_pll_set_rate,
+        .set_parent = _clk_pll2_sw_set_parent,
+        .enable = _clk_pll_enable,
+        .disable = _clk_pll_disable,
+};
+
+/* PLL3 SW supplies to serial clocks like USB, SSI, etc. */
+static struct clk pll3_sw_clk = {
+        .parent = &osc_clk,
+        .set_rate = _clk_pll_set_rate,
+        .get_rate = clk_pll_get_rate,
+        .enable = _clk_pll_enable,
+        .disable = _clk_pll_disable,
+};
+
+/* Low-power Audio Playback Mode clock */
+static struct clk lp_apm_clk = {
+        .parent = &osc_clk,
+        .set_parent = _clk_lp_apm_set_parent,
+};
+
+static struct clk periph_apm_clk = {
+        .parent = &pll1_sw_clk,
+        .set_parent = _clk_periph_apm_set_parent,
+};
+
+static struct clk cpu_clk = {
+        .parent = &pll1_sw_clk,
+        .get_rate = clk_arm_get_rate,
+};
+
+static struct clk ahb_clk = {
+        .parent = &main_bus_clk,
+        .get_rate = clk_ahb_get_rate,
+        .set_rate = _clk_ahb_set_rate,
+        .round_rate = _clk_ahb_round_rate,
+};
+
+/* Main IP interface clock for access to registers */
+static struct clk ipg_clk = {
+        .parent = &ahb_clk,
+        .get_rate = clk_ipg_get_rate,
+};
+
+static struct clk ipg_perclk = {
+        .parent = &lp_apm_clk,
+        .get_rate = clk_ipg_per_get_rate,
+        .set_parent = _clk_ipg_per_set_parent,
+};
+
+static struct clk uart_root_clk = {
+        .parent = &pll2_sw_clk,
+        .get_rate = clk_uart_get_rate,
+        .set_parent = _clk_uart_set_parent,
+};
+
+static struct clk ahb_max_clk = {
+        .parent = &ahb_clk,
+        .enable_reg = MXC_CCM_CCGR0,
+        .enable_shift = MXC_CCM_CCGRx_CG14_OFFSET,
+        .enable = _clk_max_enable,
+        .disable = _clk_max_disable,
+};
+
+static struct clk aips_tz1_clk = {
+        .parent = &ahb_clk,
+        .secondary = &ahb_max_clk,
+        .enable_reg = MXC_CCM_CCGR0,
+        .enable_shift = MXC_CCM_CCGRx_CG12_OFFSET,
+        .enable = _clk_ccgr_enable,
+        .disable = _clk_ccgr_disable_inwait,
+};
+
+static struct clk aips_tz2_clk = {
+        .parent = &ahb_clk,
+        .secondary = &ahb_max_clk,
+        .enable_reg = MXC_CCM_CCGR0,
+        .enable_shift = MXC_CCM_CCGRx_CG13_OFFSET,
+        .enable = _clk_ccgr_enable,
+        .disable = _clk_ccgr_disable_inwait,
+};
+
+static struct clk gpt_32k_clk = {
+        .id = 0,
+        .parent = &ckil_clk,
+};
+
+#define DEFINE_CLOCK(name, i, er, es, gr, sr, p, s)     \
+        static struct clk name = {                      \
+                .id             = i,                    \
+                .enable_reg     = er,                   \
+                .enable_shift   = es,                   \
+                .get_rate       = gr,                   \
+                .set_rate       = sr,                   \
+                .enable         = _clk_ccgr_enable,     \
+                .disable        = _clk_ccgr_disable,    \
+                .parent         = p,                    \
+                .secondary      = s,                    \
+        }
+
+/* DEFINE_CLOCK(name, id, enable_reg, enable_shift,
+   get_rate, set_rate, parent, secondary); */
+
+/* Shared peripheral bus arbiter */
+DEFINE_CLOCK(spba_clk, 0, MXC_CCM_CCGR5, MXC_CCM_CCGRx_CG0_OFFSET,
+        NULL,  NULL, &ipg_clk, NULL);
+
+/* UART */
+DEFINE_CLOCK(uart1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG4_OFFSET,
+        NULL,  NULL, &uart_root_clk, NULL);
+DEFINE_CLOCK(uart2_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG6_OFFSET,
+        NULL,  NULL, &uart_root_clk, NULL);
+DEFINE_CLOCK(uart3_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG8_OFFSET,
+        NULL,  NULL, &uart_root_clk, NULL);
+DEFINE_CLOCK(uart1_ipg_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG3_OFFSET,
+        NULL,  NULL, &ipg_clk, &aips_tz1_clk);
+DEFINE_CLOCK(uart2_ipg_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG5_OFFSET,
+        NULL,  NULL, &ipg_clk, &aips_tz1_clk);
+DEFINE_CLOCK(uart3_ipg_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG7_OFFSET,
+        NULL,  NULL, &ipg_clk, &spba_clk);
+
+/* GPT */
+DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET,
+        NULL,  NULL, &ipg_perclk, NULL);
+DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET,
+        NULL,  NULL, &ipg_clk, NULL);
+
+/* FEC */
+DEFINE_CLOCK(fec_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG12_OFFSET,
+        NULL,  NULL, &ipg_clk, NULL);
+
+#define _REGISTER_CLOCK(d, n, c) \
+       { \
+                .dev_id = d, \
+                .con_id = n, \
+                .clk = &c,   \
+       },
+
+static struct clk_lookup lookups[] = {
+        _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
+        _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
+        _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
+        _REGISTER_CLOCK(NULL, "gpt", gpt_clk)
+        _REGISTER_CLOCK("fec.0", NULL, fec_clk)
+};
+
+static void clk_tree_init(void)
+{
+        u32 reg;
+
+        ipg_perclk.set_parent(&ipg_perclk, &lp_apm_clk);
+
+        /*
+         * Initialise the IPG PER CLK dividers to 3. IPG_PER_CLK should be at
+         * 8MHz, its derived from lp_apm.
+         *
+         * FIXME: Verify if true for all boards
+         */
+        reg = __raw_readl(MXC_CCM_CBCDR);
+        reg &= ~MXC_CCM_CBCDR_PERCLK_PRED1_MASK;
+        reg &= ~MXC_CCM_CBCDR_PERCLK_PRED2_MASK;
+        reg &= ~MXC_CCM_CBCDR_PERCLK_PODF_MASK;
+        reg |= (2 << MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET);
+        __raw_writel(reg, MXC_CCM_CBCDR);
+}
+
+int __init mx51_clocks_init(unsigned long ckil, unsigned long osc,
+                        unsigned long ckih1, unsigned long ckih2)
+{
+        int i;
+
+        external_low_reference = ckil;
+        external_high_reference = ckih1;
+        ckih2_reference = ckih2;
+        oscillator_reference = osc;
+
+        for (i = 0; i < ARRAY_SIZE(lookups); i++)
+                clkdev_add(&lookups[i]);
+
+        clk_tree_init();
+
+        clk_enable(&cpu_clk);
+        clk_enable(&main_bus_clk);
+
+        /* System timer */
+        mxc_timer_init(&gpt_clk, MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR),
+                MX51_MXC_INT_GPT);
+        return 0;
+}
diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c
new file mode 100644
index 000000000000..41c769f08c4d
--- /dev/null
+++ b/arch/arm/mach-mx5/cpu.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * This file contains the CPU initialization code.
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <mach/hardware.h>
+#include <asm/io.h>
+
+static int __init post_cpu_init(void)
+{
+        unsigned int reg;
+        void __iomem *base;
+
+        if (!cpu_is_mx51())
+                return 0;
+
+        base = MX51_IO_ADDRESS(MX51_AIPS1_BASE_ADDR);
+        __raw_writel(0x0, base + 0x40);
+        __raw_writel(0x0, base + 0x44);
+        __raw_writel(0x0, base + 0x48);
+        __raw_writel(0x0, base + 0x4C);
+        reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
+        __raw_writel(reg, base + 0x50);
+
+        base = MX51_IO_ADDRESS(MX51_AIPS2_BASE_ADDR);
+        __raw_writel(0x0, base + 0x40);
+        __raw_writel(0x0, base + 0x44);
+        __raw_writel(0x0, base + 0x48);
+        __raw_writel(0x0, base + 0x4C);
+        reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
+        __raw_writel(reg, base + 0x50);
+
+        return 0;
+}
+
+postcore_initcall(post_cpu_init);
diff --git a/arch/arm/mach-mx5/crm_regs.h b/arch/arm/mach-mx5/crm_regs.h
new file mode 100644
index 000000000000..c776b9af0624
--- /dev/null
+++ b/arch/arm/mach-mx5/crm_regs.h
@@ -0,0 +1,583 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+#ifndef __ARCH_ARM_MACH_MX51_CRM_REGS_H__
+#define __ARCH_ARM_MACH_MX51_CRM_REGS_H__
+
+#define MX51_CCM_BASE           MX51_IO_ADDRESS(MX51_CCM_BASE_ADDR)
+#define MX51_DPLL1_BASE         MX51_IO_ADDRESS(MX51_PLL1_BASE_ADDR)
+#define MX51_DPLL2_BASE         MX51_IO_ADDRESS(MX51_PLL2_BASE_ADDR)
+#define MX51_DPLL3_BASE         MX51_IO_ADDRESS(MX51_PLL3_BASE_ADDR)
+#define MX51_CORTEXA8_BASE      MX51_IO_ADDRESS(MX51_ARM_BASE_ADDR)
+#define MX51_GPC_BASE           MX51_IO_ADDRESS(MX51_GPC_BASE_ADDR)
+
+/* PLL Register Offsets */
+#define MXC_PLL_DP_CTL                  0x00
+#define MXC_PLL_DP_CONFIG               0x04
+#define MXC_PLL_DP_OP                   0x08
+#define MXC_PLL_DP_MFD                  0x0C
+#define MXC_PLL_DP_MFN                  0x10
+#define MXC_PLL_DP_MFNMINUS             0x14
+#define MXC_PLL_DP_MFNPLUS              0x18
+#define MXC_PLL_DP_HFS_OP               0x1C
+#define MXC_PLL_DP_HFS_MFD              0x20
+#define MXC_PLL_DP_HFS_MFN              0x24
+#define MXC_PLL_DP_MFN_TOGC             0x28
+#define MXC_PLL_DP_DESTAT               0x2c
+
+/* PLL Register Bit definitions */
+#define MXC_PLL_DP_CTL_MUL_CTRL         0x2000
+#define MXC_PLL_DP_CTL_DPDCK0_2_EN      0x1000
+#define MXC_PLL_DP_CTL_DPDCK0_2_OFFSET  12
+#define MXC_PLL_DP_CTL_ADE              0x800
+#define MXC_PLL_DP_CTL_REF_CLK_DIV      0x400
+#define MXC_PLL_DP_CTL_REF_CLK_SEL_MASK (3 << 8)
+#define MXC_PLL_DP_CTL_REF_CLK_SEL_OFFSET       8
+#define MXC_PLL_DP_CTL_HFSM             0x80
+#define MXC_PLL_DP_CTL_PRE              0x40
+#define MXC_PLL_DP_CTL_UPEN             0x20
+#define MXC_PLL_DP_CTL_RST              0x10
+#define MXC_PLL_DP_CTL_RCP              0x8
+#define MXC_PLL_DP_CTL_PLM              0x4
+#define MXC_PLL_DP_CTL_BRM0             0x2
+#define MXC_PLL_DP_CTL_LRF              0x1
+
+#define MXC_PLL_DP_CONFIG_BIST          0x8
+#define MXC_PLL_DP_CONFIG_SJC_CE        0x4
+#define MXC_PLL_DP_CONFIG_AREN          0x2
+#define MXC_PLL_DP_CONFIG_LDREQ         0x1
+
+#define MXC_PLL_DP_OP_MFI_OFFSET        4
+#define MXC_PLL_DP_OP_MFI_MASK          (0xF << 4)
+#define MXC_PLL_DP_OP_PDF_OFFSET        0
+#define MXC_PLL_DP_OP_PDF_MASK          0xF
+
+#define MXC_PLL_DP_MFD_OFFSET           0
+#define MXC_PLL_DP_MFD_MASK             0x07FFFFFF
+
+#define MXC_PLL_DP_MFN_OFFSET           0x0
+#define MXC_PLL_DP_MFN_MASK             0x07FFFFFF
+
+#define MXC_PLL_DP_MFN_TOGC_TOG_DIS     (1 << 17)
+#define MXC_PLL_DP_MFN_TOGC_TOG_EN      (1 << 16)
+#define MXC_PLL_DP_MFN_TOGC_CNT_OFFSET  0x0
+#define MXC_PLL_DP_MFN_TOGC_CNT_MASK    0xFFFF
+
+#define MXC_PLL_DP_DESTAT_TOG_SEL       (1 << 31)
+#define MXC_PLL_DP_DESTAT_MFN           0x07FFFFFF
+
+/* Register addresses of CCM*/
+#define MXC_CCM_CCR             (MX51_CCM_BASE + 0x00)
+#define MXC_CCM_CCDR            (MX51_CCM_BASE + 0x04)
+#define MXC_CCM_CSR             (MX51_CCM_BASE + 0x08)
+#define MXC_CCM_CCSR            (MX51_CCM_BASE + 0x0C)
+#define MXC_CCM_CACRR           (MX51_CCM_BASE + 0x10)
+#define MXC_CCM_CBCDR           (MX51_CCM_BASE + 0x14)
+#define MXC_CCM_CBCMR           (MX51_CCM_BASE + 0x18)
+#define MXC_CCM_CSCMR1          (MX51_CCM_BASE + 0x1C)
+#define MXC_CCM_CSCMR2          (MX51_CCM_BASE + 0x20)
+#define MXC_CCM_CSCDR1          (MX51_CCM_BASE + 0x24)
+#define MXC_CCM_CS1CDR          (MX51_CCM_BASE + 0x28)
+#define MXC_CCM_CS2CDR          (MX51_CCM_BASE + 0x2C)
+#define MXC_CCM_CDCDR           (MX51_CCM_BASE + 0x30)
+#define MXC_CCM_CHSCDR          (MX51_CCM_BASE + 0x34)
+#define MXC_CCM_CSCDR2          (MX51_CCM_BASE + 0x38)
+#define MXC_CCM_CSCDR3          (MX51_CCM_BASE + 0x3C)
+#define MXC_CCM_CSCDR4          (MX51_CCM_BASE + 0x40)
+#define MXC_CCM_CWDR            (MX51_CCM_BASE + 0x44)
+#define MXC_CCM_CDHIPR          (MX51_CCM_BASE + 0x48)
+#define MXC_CCM_CDCR            (MX51_CCM_BASE + 0x4C)
+#define MXC_CCM_CTOR            (MX51_CCM_BASE + 0x50)
+#define MXC_CCM_CLPCR           (MX51_CCM_BASE + 0x54)
+#define MXC_CCM_CISR            (MX51_CCM_BASE + 0x58)
+#define MXC_CCM_CIMR            (MX51_CCM_BASE + 0x5C)
+#define MXC_CCM_CCOSR           (MX51_CCM_BASE + 0x60)
+#define MXC_CCM_CGPR            (MX51_CCM_BASE + 0x64)
+#define MXC_CCM_CCGR0           (MX51_CCM_BASE + 0x68)
+#define MXC_CCM_CCGR1           (MX51_CCM_BASE + 0x6C)
+#define MXC_CCM_CCGR2           (MX51_CCM_BASE + 0x70)
+#define MXC_CCM_CCGR3           (MX51_CCM_BASE + 0x74)
+#define MXC_CCM_CCGR4           (MX51_CCM_BASE + 0x78)
+#define MXC_CCM_CCGR5           (MX51_CCM_BASE + 0x7C)
+#define MXC_CCM_CCGR6           (MX51_CCM_BASE + 0x80)
+#define MXC_CCM_CMEOR           (MX51_CCM_BASE + 0x84)
+
+/* Define the bits in register CCR */
+#define MXC_CCM_CCR_COSC_EN             (1 << 12)
+#define MXC_CCM_CCR_FPM_MULT_MASK       (1 << 11)
+#define MXC_CCM_CCR_CAMP2_EN            (1 << 10)
+#define MXC_CCM_CCR_CAMP1_EN            (1 << 9)
+#define MXC_CCM_CCR_FPM_EN              (1 << 8)
+#define MXC_CCM_CCR_OSCNT_OFFSET        (0)
+#define MXC_CCM_CCR_OSCNT_MASK  (0xFF)
+
+/* Define the bits in register CCDR */
+#define MXC_CCM_CCDR_HSC_HS_MASK        (0x1 << 18)
+#define MXC_CCM_CCDR_IPU_HS_MASK        (0x1 << 17)
+#define MXC_CCM_CCDR_EMI_HS_MASK        (0x1 << 16)
+
+/* Define the bits in register CSR */
+#define MXC_CCM_CSR_COSR_READY  (1 << 5)
+#define MXC_CCM_CSR_LVS_VALUE   (1 << 4)
+#define MXC_CCM_CSR_CAMP2_READY (1 << 3)
+#define MXC_CCM_CSR_CAMP1_READY (1 << 2)
+#define MXC_CCM_CSR_FPM_READY   (1 << 1)
+#define MXC_CCM_CSR_REF_EN_B    (1 << 0)
+
+/* Define the bits in register CCSR */
+#define MXC_CCM_CCSR_LP_APM_SEL         (0x1 << 9)
+#define MXC_CCM_CCSR_STEP_SEL_OFFSET    (7)
+#define MXC_CCM_CCSR_STEP_SEL_MASK      (0x3 << 7)
+#define MXC_CCM_CCSR_STEP_SEL_LP_APM       0
+#define MXC_CCM_CCSR_STEP_SEL_PLL1_BYPASS  1 /* Only when JTAG connected? */
+#define MXC_CCM_CCSR_STEP_SEL_PLL2_DIVIDED 2
+#define MXC_CCM_CCSR_STEP_SEL_PLL3_DIVIDED 3
+#define MXC_CCM_CCSR_PLL2_PODF_OFFSET   (5)
+#define MXC_CCM_CCSR_PLL2_PODF_MASK     (0x3 << 5)
+#define MXC_CCM_CCSR_PLL3_PODF_OFFSET   (3)
+#define MXC_CCM_CCSR_PLL3_PODF_MASK     (0x3 << 3)
+#define MXC_CCM_CCSR_PLL1_SW_CLK_SEL    (1 << 2) /* 0: pll1_main_clk,
+                                                    1: step_clk */
+#define MXC_CCM_CCSR_PLL2_SW_CLK_SEL    (1 << 1)
+#define MXC_CCM_CCSR_PLL3_SW_CLK_SEL    (1 << 0)
+
+/* Define the bits in register CACRR */
+#define MXC_CCM_CACRR_ARM_PODF_OFFSET   (0)
+#define MXC_CCM_CACRR_ARM_PODF_MASK     (0x7)
+
+/* Define the bits in register CBCDR */
+#define MXC_CCM_CBCDR_EMI_CLK_SEL               (0x1 << 26)
+#define MXC_CCM_CBCDR_PERIPH_CLK_SEL            (0x1 << 25)
+#define MXC_CCM_CBCDR_DDR_HF_SEL_OFFSET         (30)
+#define MXC_CCM_CBCDR_DDR_HF_SEL                (0x1 << 30)
+#define MXC_CCM_CBCDR_DDR_PODF_OFFSET           (27)
+#define MXC_CCM_CBCDR_DDR_PODF_MASK             (0x7 << 27)
+#define MXC_CCM_CBCDR_EMI_PODF_OFFSET           (22)
+#define MXC_CCM_CBCDR_EMI_PODF_MASK             (0x7 << 22)
+#define MXC_CCM_CBCDR_AXI_B_PODF_OFFSET         (19)
+#define MXC_CCM_CBCDR_AXI_B_PODF_MASK           (0x7 << 19)
+#define MXC_CCM_CBCDR_AXI_A_PODF_OFFSET         (16)
+#define MXC_CCM_CBCDR_AXI_A_PODF_MASK           (0x7 << 16)
+#define MXC_CCM_CBCDR_NFC_PODF_OFFSET           (13)
+#define MXC_CCM_CBCDR_NFC_PODF_MASK             (0x7 << 13)
+#define MXC_CCM_CBCDR_AHB_PODF_OFFSET           (10)
+#define MXC_CCM_CBCDR_AHB_PODF_MASK             (0x7 << 10)
+#define MXC_CCM_CBCDR_IPG_PODF_OFFSET           (8)
+#define MXC_CCM_CBCDR_IPG_PODF_MASK             (0x3 << 8)
+#define MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET       (6)
+#define MXC_CCM_CBCDR_PERCLK_PRED1_MASK         (0x3 << 6)
+#define MXC_CCM_CBCDR_PERCLK_PRED2_OFFSET       (3)
+#define MXC_CCM_CBCDR_PERCLK_PRED2_MASK         (0x7 << 3)
+#define MXC_CCM_CBCDR_PERCLK_PODF_OFFSET        (0)
+#define MXC_CCM_CBCDR_PERCLK_PODF_MASK          (0x7)
+
+/* Define the bits in register CBCMR */
+#define MXC_CCM_CBCMR_VPU_AXI_CLK_SEL_OFFSET    (14)
+#define MXC_CCM_CBCMR_VPU_AXI_CLK_SEL_MASK      (0x3 << 14)
+#define MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET     (12)
+#define MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK       (0x3 << 12)
+#define MXC_CCM_CBCMR_DDR_CLK_SEL_OFFSET        (10)
+#define MXC_CCM_CBCMR_DDR_CLK_SEL_MASK          (0x3 << 10)
+#define MXC_CCM_CBCMR_ARM_AXI_CLK_SEL_OFFSET    (8)
+#define MXC_CCM_CBCMR_ARM_AXI_CLK_SEL_MASK      (0x3 << 8)
+#define MXC_CCM_CBCMR_IPU_HSP_CLK_SEL_OFFSET    (6)
+#define MXC_CCM_CBCMR_IPU_HSP_CLK_SEL_MASK      (0x3 << 6)
+#define MXC_CCM_CBCMR_GPU_CLK_SEL_OFFSET        (4)
+#define MXC_CCM_CBCMR_GPU_CLK_SEL_MASK          (0x3 << 4)
+#define MXC_CCM_CBCMR_GPU2D_CLK_SEL_OFFSET      (14)
+#define MXC_CCM_CBCMR_GPU2D_CLK_SEL_MASK        (0x3 << 14)
+#define MXC_CCM_CBCMR_PERCLK_LP_APM_CLK_SEL     (0x1 << 1)
+#define MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL        (0x1 << 0)
+
+/* Define the bits in register CSCMR1 */
+#define MXC_CCM_CSCMR1_SSI_EXT2_CLK_SEL_OFFSET          (30)
+#define MXC_CCM_CSCMR1_SSI_EXT2_CLK_SEL_MASK            (0x3 << 30)
+#define MXC_CCM_CSCMR1_SSI_EXT1_CLK_SEL_OFFSET          (28)
+#define MXC_CCM_CSCMR1_SSI_EXT1_CLK_SEL_MASK            (0x3 << 28)
+#define MXC_CCM_CSCMR1_USB_PHY_CLK_SEL_OFFSET           (26)
+#define MXC_CCM_CSCMR1_USB_PHY_CLK_SEL                  (0x1 << 26)
+#define MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET              (24)
+#define MXC_CCM_CSCMR1_UART_CLK_SEL_MASK                (0x3 << 24)
+#define MXC_CCM_CSCMR1_USBOH3_CLK_SEL_OFFSET            (22)
+#define MXC_CCM_CSCMR1_USBOH3_CLK_SEL_MASK              (0x3 << 22)
+#define MXC_CCM_CSCMR1_ESDHC1_MSHC1_CLK_SEL_OFFSET      (20)
+#define MXC_CCM_CSCMR1_ESDHC1_MSHC1_CLK_SEL_MASK        (0x3 << 20)
+#define MXC_CCM_CSCMR1_ESDHC3_CLK_SEL                   (0x1 << 19)
+#define MXC_CCM_CSCMR1_ESDHC4_CLK_SEL                   (0x1 << 18)
+#define MXC_CCM_CSCMR1_ESDHC2_MSHC2_CLK_SEL_OFFSET      (16)
+#define MXC_CCM_CSCMR1_ESDHC2_MSHC2_CLK_SEL_MASK        (0x3 << 16)
+#define MXC_CCM_CSCMR1_SSI1_CLK_SEL_OFFSET              (14)
+#define MXC_CCM_CSCMR1_SSI1_CLK_SEL_MASK                (0x3 << 14)
+#define MXC_CCM_CSCMR1_SSI2_CLK_SEL_OFFSET              (12)
+#define MXC_CCM_CSCMR1_SSI2_CLK_SEL_MASK                (0x3 << 12)
+#define MXC_CCM_CSCMR1_SSI3_CLK_SEL                     (0x1 << 11)
+#define MXC_CCM_CSCMR1_VPU_RCLK_SEL                     (0x1 << 10)
+#define MXC_CCM_CSCMR1_SSI_APM_CLK_SEL_OFFSET           (8)
+#define MXC_CCM_CSCMR1_SSI_APM_CLK_SEL_MASK             (0x3 << 8)
+#define MXC_CCM_CSCMR1_TVE_CLK_SEL                      (0x1 << 7)
+#define MXC_CCM_CSCMR1_TVE_EXT_CLK_SEL                  (0x1 << 6)
+#define MXC_CCM_CSCMR1_CSPI_CLK_SEL_OFFSET              (4)
+#define MXC_CCM_CSCMR1_CSPI_CLK_SEL_MASK                (0x3 << 4)
+#define MXC_CCM_CSCMR1_SPDIF_CLK_SEL_OFFSET             (2)
+#define MXC_CCM_CSCMR1_SPDIF_CLK_SEL_MASK               (0x3 << 2)
+#define MXC_CCM_CSCMR1_SSI_EXT2_COM_CLK_SEL             (0x1 << 1)
+#define MXC_CCM_CSCMR1_SSI_EXT1_COM_CLK_SEL             (0x1)
+
+/* Define the bits in register CSCMR2 */
+#define MXC_CCM_CSCMR2_DI_CLK_SEL_OFFSET(n)             (26+n*3)
+#define MXC_CCM_CSCMR2_DI_CLK_SEL_MASK(n)               (0x7 << (26+n*3))
+#define MXC_CCM_CSCMR2_CSI_MCLK2_CLK_SEL_OFFSET         (24)
+#define MXC_CCM_CSCMR2_CSI_MCLK2_CLK_SEL_MASK           (0x3 << 24)
+#define MXC_CCM_CSCMR2_CSI_MCLK1_CLK_SEL_OFFSET         (22)
+#define MXC_CCM_CSCMR2_CSI_MCLK1_CLK_SEL_MASK           (0x3 << 22)
+#define MXC_CCM_CSCMR2_ESC_CLK_SEL_OFFSET               (20)
+#define MXC_CCM_CSCMR2_ESC_CLK_SEL_MASK                 (0x3 << 20)
+#define MXC_CCM_CSCMR2_HSC2_CLK_SEL_OFFSET              (18)
+#define MXC_CCM_CSCMR2_HSC2_CLK_SEL_MASK                (0x3 << 18)
+#define MXC_CCM_CSCMR2_HSC1_CLK_SEL_OFFSET              (16)
+#define MXC_CCM_CSCMR2_HSC1_CLK_SEL_MASK                (0x3 << 16)
+#define MXC_CCM_CSCMR2_HSI2C_CLK_SEL_OFFSET             (14)
+#define MXC_CCM_CSCMR2_HSI2C_CLK_SEL_MASK               (0x3 << 14)
+#define MXC_CCM_CSCMR2_FIRI_CLK_SEL_OFFSET              (12)
+#define MXC_CCM_CSCMR2_FIRI_CLK_SEL_MASK                (0x3 << 12)
+#define MXC_CCM_CSCMR2_SIM_CLK_SEL_OFFSET               (10)
+#define MXC_CCM_CSCMR2_SIM_CLK_SEL_MASK                 (0x3 << 10)
+#define MXC_CCM_CSCMR2_SLIMBUS_COM                      (0x1 << 9)
+#define MXC_CCM_CSCMR2_SLIMBUS_CLK_SEL_OFFSET           (6)
+#define MXC_CCM_CSCMR2_SLIMBUS_CLK_SEL_MASK             (0x7 << 6)
+#define MXC_CCM_CSCMR2_SPDIF1_COM                       (1 << 5)
+#define MXC_CCM_CSCMR2_SPDIF0_COM                       (1 << 4)
+#define MXC_CCM_CSCMR2_SPDIF1_CLK_SEL_OFFSET            (2)
+#define MXC_CCM_CSCMR2_SPDIF1_CLK_SEL_MASK              (0x3 << 2)
+#define MXC_CCM_CSCMR2_SPDIF0_CLK_SEL_OFFSET            (0)
+#define MXC_CCM_CSCMR2_SPDIF0_CLK_SEL_MASK              (0x3)
+
+/* Define the bits in register CSCDR1 */
+#define MXC_CCM_CSCDR1_ESDHC2_MSHC2_CLK_PRED_OFFSET     (22)
+#define MXC_CCM_CSCDR1_ESDHC2_MSHC2_CLK_PRED_MASK       (0x7 << 22)
+#define MXC_CCM_CSCDR1_ESDHC2_MSHC2_CLK_PODF_OFFSET     (19)
+#define MXC_CCM_CSCDR1_ESDHC2_MSHC2_CLK_PODF_MASK       (0x7 << 19)
+#define MXC_CCM_CSCDR1_ESDHC1_MSHC1_CLK_PRED_OFFSET     (16)
+#define MXC_CCM_CSCDR1_ESDHC1_MSHC1_CLK_PRED_MASK       (0x7 << 16)
+#define MXC_CCM_CSCDR1_PGC_CLK_PODF_OFFSET              (14)
+#define MXC_CCM_CSCDR1_PGC_CLK_PODF_MASK                (0x3 << 14)
+#define MXC_CCM_CSCDR1_ESDHC1_MSHC1_CLK_PODF_OFFSET     (11)
+#define MXC_CCM_CSCDR1_ESDHC1_MSHC1_CLK_PODF_MASK       (0x7 << 11)
+#define MXC_CCM_CSCDR1_USBOH3_CLK_PRED_OFFSET           (8)
+#define MXC_CCM_CSCDR1_USBOH3_CLK_PRED_MASK             (0x7 << 8)
+#define MXC_CCM_CSCDR1_USBOH3_CLK_PODF_OFFSET           (6)
+#define MXC_CCM_CSCDR1_USBOH3_CLK_PODF_MASK             (0x3 << 6)
+#define MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET             (3)
+#define MXC_CCM_CSCDR1_UART_CLK_PRED_MASK               (0x7 << 3)
+#define MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET             (0)
+#define MXC_CCM_CSCDR1_UART_CLK_PODF_MASK               (0x7)
+
+/* Define the bits in register CS1CDR and CS2CDR */
+#define MXC_CCM_CS1CDR_SSI_EXT1_CLK_PRED_OFFSET         (22)
+#define MXC_CCM_CS1CDR_SSI_EXT1_CLK_PRED_MASK           (0x7 << 22)
+#define MXC_CCM_CS1CDR_SSI_EXT1_CLK_PODF_OFFSET         (16)
+#define MXC_CCM_CS1CDR_SSI_EXT1_CLK_PODF_MASK           (0x3F << 16)
+#define MXC_CCM_CS1CDR_SSI1_CLK_PRED_OFFSET             (6)
+#define MXC_CCM_CS1CDR_SSI1_CLK_PRED_MASK               (0x7 << 6)
+#define MXC_CCM_CS1CDR_SSI1_CLK_PODF_OFFSET             (0)
+#define MXC_CCM_CS1CDR_SSI1_CLK_PODF_MASK               (0x3F)
+
+#define MXC_CCM_CS2CDR_SSI_EXT2_CLK_PRED_OFFSET         (22)
+#define MXC_CCM_CS2CDR_SSI_EXT2_CLK_PRED_MASK           (0x7 << 22)
+#define MXC_CCM_CS2CDR_SSI_EXT2_CLK_PODF_OFFSET         (16)
+#define MXC_CCM_CS2CDR_SSI_EXT2_CLK_PODF_MASK           (0x3F << 16)
+#define MXC_CCM_CS2CDR_SSI2_CLK_PRED_OFFSET             (6)
+#define MXC_CCM_CS2CDR_SSI2_CLK_PRED_MASK               (0x7 << 6)
+#define MXC_CCM_CS2CDR_SSI2_CLK_PODF_OFFSET             (0)
+#define MXC_CCM_CS2CDR_SSI2_CLK_PODF_MASK               (0x3F)
+
+/* Define the bits in register CDCDR */
+#define MXC_CCM_CDCDR_TVE_CLK_PRED_OFFSET               (28)
+#define MXC_CCM_CDCDR_TVE_CLK_PRED_MASK                 (0x7 << 28)
+#define MXC_CCM_CDCDR_SPDIF0_CLK_PRED_OFFSET            (25)
+#define MXC_CCM_CDCDR_SPDIF0_CLK_PRED_MASK              (0x7 << 25)
+#define MXC_CCM_CDCDR_SPDIF0_CLK_PODF_OFFSET            (19)
+#define MXC_CCM_CDCDR_SPDIF0_CLK_PODF_MASK              (0x3F << 19)
+#define MXC_CCM_CDCDR_SPDIF1_CLK_PRED_OFFSET            (16)
+#define MXC_CCM_CDCDR_SPDIF1_CLK_PRED_MASK              (0x7 << 16)
+#define MXC_CCM_CDCDR_SPDIF1_CLK_PODF_OFFSET            (9)
+#define MXC_CCM_CDCDR_SPDIF1_CLK_PODF_MASK              (0x3F << 9)
+#define MXC_CCM_CDCDR_DI_CLK_PRED_OFFSET                (6)
+#define MXC_CCM_CDCDR_DI_CLK_PRED_MASK                  (0x7 << 6)
+#define MXC_CCM_CDCDR_USB_PHY_PRED_OFFSET               (3)
+#define MXC_CCM_CDCDR_USB_PHY_PRED_MASK                 (0x7 << 3)
+#define MXC_CCM_CDCDR_USB_PHY_PODF_OFFSET               (0)
+#define MXC_CCM_CDCDR_USB_PHY_PODF_MASK                 (0x7)
+
+/* Define the bits in register CHSCCDR */
+#define MXC_CCM_CHSCCDR_ESC_CLK_PRED_OFFSET             (12)
+#define MXC_CCM_CHSCCDR_ESC_CLK_PRED_MASK               (0x7 << 12)
+#define MXC_CCM_CHSCCDR_ESC_CLK_PODF_OFFSET             (6)
+#define MXC_CCM_CHSCCDR_ESC_CLK_PODF_MASK               (0x3F << 6)
+#define MXC_CCM_CHSCCDR_HSC2_CLK_PODF_OFFSET            (3)
+#define MXC_CCM_CHSCCDR_HSC2_CLK_PODF_MASK              (0x7 << 3)
+#define MXC_CCM_CHSCCDR_HSC1_CLK_PODF_OFFSET            (0)
+#define MXC_CCM_CHSCCDR_HSC1_CLK_PODF_MASK              (0x7)
+
+/* Define the bits in register CSCDR2 */
+#define MXC_CCM_CSCDR2_CSPI_CLK_PRED_OFFSET             (25)
+#define MXC_CCM_CSCDR2_CSPI_CLK_PRED_MASK               (0x7 << 25)
+#define MXC_CCM_CSCDR2_CSPI_CLK_PODF_OFFSET             (19)
+#define MXC_CCM_CSCDR2_CSPI_CLK_PODF_MASK               (0x3F << 19)
+#define MXC_CCM_CSCDR2_SIM_CLK_PRED_OFFSET              (16)
+#define MXC_CCM_CSCDR2_SIM_CLK_PRED_MASK                (0x7 << 16)
+#define MXC_CCM_CSCDR2_SIM_CLK_PODF_OFFSET              (9)
+#define MXC_CCM_CSCDR2_SIM_CLK_PODF_MASK                (0x3F << 9)
+#define MXC_CCM_CSCDR2_SLIMBUS_CLK_PRED_OFFSET          (6)
+#define MXC_CCM_CSCDR2_SLIMBUS_PRED_MASK                (0x7 << 6)
+#define MXC_CCM_CSCDR2_SLIMBUS_PODF_OFFSET              (0)
+#define MXC_CCM_CSCDR2_SLIMBUS_PODF_MASK                (0x3F)
+
+/* Define the bits in register CSCDR3 */
+#define MXC_CCM_CSCDR3_HSI2C_CLK_PRED_OFFSET            (16)
+#define MXC_CCM_CSCDR3_HSI2C_CLK_PRED_MASK              (0x7 << 16)
+#define MXC_CCM_CSCDR3_HSI2C_CLK_PODF_OFFSET            (9)
+#define MXC_CCM_CSCDR3_HSI2C_CLK_PODF_MASK              (0x3F << 9)
+#define MXC_CCM_CSCDR3_FIRI_CLK_PRED_OFFSET             (6)
+#define MXC_CCM_CSCDR3_FIRI_CLK_PRED_MASK               (0x7 << 6)
+#define MXC_CCM_CSCDR3_FIRI_CLK_PODF_OFFSET             (0)
+#define MXC_CCM_CSCDR3_FIRI_CLK_PODF_MASK               (0x3F)
+
+/* Define the bits in register CSCDR4 */
+#define MXC_CCM_CSCDR4_CSI_MCLK2_CLK_PRED_OFFSET        (16)
+#define MXC_CCM_CSCDR4_CSI_MCLK2_CLK_PRED_MASK          (0x7 << 16)
+#define MXC_CCM_CSCDR4_CSI_MCLK2_CLK_PODF_OFFSET        (9)
+#define MXC_CCM_CSCDR4_CSI_MCLK2_CLK_PODF_MASK          (0x3F << 9)
+#define MXC_CCM_CSCDR4_CSI_MCLK1_CLK_PRED_OFFSET        (6)
+#define MXC_CCM_CSCDR4_CSI_MCLK1_CLK_PRED_MASK          (0x7 << 6)
+#define MXC_CCM_CSCDR4_CSI_MCLK1_CLK_PODF_OFFSET        (0)
+#define MXC_CCM_CSCDR4_CSI_MCLK1_CLK_PODF_MASK          (0x3F)
+
+/* Define the bits in register CDHIPR */
+#define MXC_CCM_CDHIPR_ARM_PODF_BUSY                    (1 << 16)
+#define MXC_CCM_CDHIPR_DDR_HF_CLK_SEL_BUSY              (1 << 8)
+#define MXC_CCM_CDHIPR_DDR_PODF_BUSY                    (1 << 7)
+#define MXC_CCM_CDHIPR_EMI_CLK_SEL_BUSY                 (1 << 6)
+#define MXC_CCM_CDHIPR_PERIPH_CLK_SEL_BUSY              (1 << 5)
+#define MXC_CCM_CDHIPR_NFC_IPG_INT_MEM_PODF_BUSY        (1 << 4)
+#define MXC_CCM_CDHIPR_AHB_PODF_BUSY                    (1 << 3)
+#define MXC_CCM_CDHIPR_EMI_PODF_BUSY                    (1 << 2)
+#define MXC_CCM_CDHIPR_AXI_B_PODF_BUSY                  (1 << 1)
+#define MXC_CCM_CDHIPR_AXI_A_PODF_BUSY                  (1 << 0)
+
+/* Define the bits in register CDCR */
+#define MXC_CCM_CDCR_ARM_FREQ_SHIFT_DIVIDER             (0x1 << 2)
+#define MXC_CCM_CDCR_PERIPH_CLK_DVFS_PODF_OFFSET        (0)
+#define MXC_CCM_CDCR_PERIPH_CLK_DVFS_PODF_MASK          (0x3)
+
+/* Define the bits in register CLPCR */
+#define MXC_CCM_CLPCR_BYPASS_HSC_LPM_HS         (0x1 << 23)
+#define MXC_CCM_CLPCR_BYPASS_SCC_LPM_HS         (0x1 << 22)
+#define MXC_CCM_CLPCR_BYPASS_MAX_LPM_HS         (0x1 << 21)
+#define MXC_CCM_CLPCR_BYPASS_SDMA_LPM_HS        (0x1 << 20)
+#define MXC_CCM_CLPCR_BYPASS_EMI_LPM_HS         (0x1 << 19)
+#define MXC_CCM_CLPCR_BYPASS_IPU_LPM_HS         (0x1 << 18)
+#define MXC_CCM_CLPCR_BYPASS_RTIC_LPM_HS        (0x1 << 17)
+#define MXC_CCM_CLPCR_BYPASS_RNGC_LPM_HS        (0x1 << 16)
+#define MXC_CCM_CLPCR_COSC_PWRDOWN              (0x1 << 11)
+#define MXC_CCM_CLPCR_STBY_COUNT_OFFSET         (9)
+#define MXC_CCM_CLPCR_STBY_COUNT_MASK           (0x3 << 9)
+#define MXC_CCM_CLPCR_VSTBY                     (0x1 << 8)
+#define MXC_CCM_CLPCR_DIS_REF_OSC               (0x1 << 7)
+#define MXC_CCM_CLPCR_SBYOS                     (0x1 << 6)
+#define MXC_CCM_CLPCR_ARM_CLK_DIS_ON_LPM        (0x1 << 5)
+#define MXC_CCM_CLPCR_LPSR_CLK_SEL_OFFSET       (3)
+#define MXC_CCM_CLPCR_LPSR_CLK_SEL_MASK         (0x3 << 3)
+#define MXC_CCM_CLPCR_LPM_OFFSET                (0)
+#define MXC_CCM_CLPCR_LPM_MASK                  (0x3)
+
+/* Define the bits in register CISR */
+#define MXC_CCM_CISR_ARM_PODF_LOADED                    (0x1 << 25)
+#define MXC_CCM_CISR_NFC_IPG_INT_MEM_PODF_LOADED        (0x1 << 21)
+#define MXC_CCM_CISR_AHB_PODF_LOADED                    (0x1 << 20)
+#define MXC_CCM_CISR_EMI_PODF_LOADED                    (0x1 << 19)
+#define MXC_CCM_CISR_AXI_B_PODF_LOADED                  (0x1 << 18)
+#define MXC_CCM_CISR_AXI_A_PODF_LOADED                  (0x1 << 17)
+#define MXC_CCM_CISR_DIVIDER_LOADED                     (0x1 << 16)
+#define MXC_CCM_CISR_COSC_READY                         (0x1 << 6)
+#define MXC_CCM_CISR_CKIH2_READY                        (0x1 << 5)
+#define MXC_CCM_CISR_CKIH_READY                         (0x1 << 4)
+#define MXC_CCM_CISR_FPM_READY                          (0x1 << 3)
+#define MXC_CCM_CISR_LRF_PLL3                           (0x1 << 2)
+#define MXC_CCM_CISR_LRF_PLL2                           (0x1 << 1)
+#define MXC_CCM_CISR_LRF_PLL1                           (0x1)
+
+/* Define the bits in register CIMR */
+#define MXC_CCM_CIMR_MASK_ARM_PODF_LOADED               (0x1 << 25)
+#define MXC_CCM_CIMR_MASK_NFC_IPG_INT_MEM_PODF_LOADED   (0x1 << 21)
+#define MXC_CCM_CIMR_MASK_EMI_PODF_LOADED               (0x1 << 20)
+#define MXC_CCM_CIMR_MASK_AXI_C_PODF_LOADED             (0x1 << 19)
+#define MXC_CCM_CIMR_MASK_AXI_B_PODF_LOADED             (0x1 << 18)
+#define MXC_CCM_CIMR_MASK_AXI_A_PODF_LOADED             (0x1 << 17)
+#define MXC_CCM_CIMR_MASK_DIVIDER_LOADED                (0x1 << 16)
+#define MXC_CCM_CIMR_MASK_COSC_READY                    (0x1 << 5)
+#define MXC_CCM_CIMR_MASK_CKIH_READY                    (0x1 << 4)
+#define MXC_CCM_CIMR_MASK_FPM_READY                     (0x1 << 3)
+#define MXC_CCM_CIMR_MASK_LRF_PLL3                      (0x1 << 2)
+#define MXC_CCM_CIMR_MASK_LRF_PLL2                      (0x1 << 1)
+#define MXC_CCM_CIMR_MASK_LRF_PLL1                      (0x1)
+
+/* Define the bits in register CCOSR */
+#define MXC_CCM_CCOSR_CKO2_EN_OFFSET                    (0x1 << 24)
+#define MXC_CCM_CCOSR_CKO2_DIV_OFFSET                   (21)
+#define MXC_CCM_CCOSR_CKO2_DIV_MASK                     (0x7 << 21)
+#define MXC_CCM_CCOSR_CKO2_SEL_OFFSET                   (16)
+#define MXC_CCM_CCOSR_CKO2_SEL_MASK                     (0x1F << 16)
+#define MXC_CCM_CCOSR_CKOL_EN                           (0x1 << 7)
+#define MXC_CCM_CCOSR_CKOL_DIV_OFFSET                   (4)
+#define MXC_CCM_CCOSR_CKOL_DIV_MASK                     (0x7 << 4)
+#define MXC_CCM_CCOSR_CKOL_SEL_OFFSET                   (0)
+#define MXC_CCM_CCOSR_CKOL_SEL_MASK                     (0xF)
+
+/* Define the bits in registers CGPR */
+#define MXC_CCM_CGPR_EFUSE_PROG_SUPPLY_GATE             (0x1 << 4)
+#define MXC_CCM_CGPR_FPM_SEL                            (0x1 << 3)
+#define MXC_CCM_CGPR_VL_L2BIST_CLKDIV_OFFSET            (0)
+#define MXC_CCM_CGPR_VL_L2BIST_CLKDIV_MASK              (0x7)
+
+/* Define the bits in registers CCGRx */
+#define MXC_CCM_CCGRx_CG_MASK                           0x3
+#define MXC_CCM_CCGRx_MOD_OFF                           0x0
+#define MXC_CCM_CCGRx_MOD_ON                            0x3
+#define MXC_CCM_CCGRx_MOD_IDLE                          0x1
+
+#define MXC_CCM_CCGRx_CG15_MASK                         (0x3 << 30)
+#define MXC_CCM_CCGRx_CG14_MASK                         (0x3 << 28)
+#define MXC_CCM_CCGRx_CG13_MASK                         (0x3 << 26)
+#define MXC_CCM_CCGRx_CG12_MASK                         (0x3 << 24)
+#define MXC_CCM_CCGRx_CG11_MASK                         (0x3 << 22)
+#define MXC_CCM_CCGRx_CG10_MASK                         (0x3 << 20)
+#define MXC_CCM_CCGRx_CG9_MASK                          (0x3 << 18)
+#define MXC_CCM_CCGRx_CG8_MASK                          (0x3 << 16)
+#define MXC_CCM_CCGRx_CG5_MASK                          (0x3 << 10)
+#define MXC_CCM_CCGRx_CG4_MASK                          (0x3 << 8)
+#define MXC_CCM_CCGRx_CG3_MASK                          (0x3 << 6)
+#define MXC_CCM_CCGRx_CG2_MASK                          (0x3 << 4)
+#define MXC_CCM_CCGRx_CG1_MASK                          (0x3 << 2)
+#define MXC_CCM_CCGRx_CG0_MASK                          (0x3 << 0)
+
+#define MXC_CCM_CCGRx_CG15_OFFSET                       30
+#define MXC_CCM_CCGRx_CG14_OFFSET                       28
+#define MXC_CCM_CCGRx_CG13_OFFSET                       26
+#define MXC_CCM_CCGRx_CG12_OFFSET                       24
+#define MXC_CCM_CCGRx_CG11_OFFSET                       22
+#define MXC_CCM_CCGRx_CG10_OFFSET                       20
+#define MXC_CCM_CCGRx_CG9_OFFSET                        18
+#define MXC_CCM_CCGRx_CG8_OFFSET                        16
+#define MXC_CCM_CCGRx_CG7_OFFSET                        14
+#define MXC_CCM_CCGRx_CG6_OFFSET                        12
+#define MXC_CCM_CCGRx_CG5_OFFSET                        10
+#define MXC_CCM_CCGRx_CG4_OFFSET                        8
+#define MXC_CCM_CCGRx_CG3_OFFSET                        6
+#define MXC_CCM_CCGRx_CG2_OFFSET                        4
+#define MXC_CCM_CCGRx_CG1_OFFSET                        2
+#define MXC_CCM_CCGRx_CG0_OFFSET                        0
+
+#define MXC_DPTC_LP_BASE        (MX51_GPC_BASE + 0x80)
+#define MXC_DPTC_GP_BASE        (MX51_GPC_BASE + 0x100)
+#define MXC_DVFS_CORE_BASE      (MX51_GPC_BASE + 0x180)
+#define MXC_DPTC_PER_BASE       (MX51_GPC_BASE + 0x1C0)
+#define MXC_PGC_IPU_BASE        (MX51_GPC_BASE + 0x220)
+#define MXC_PGC_VPU_BASE        (MX51_GPC_BASE + 0x240)
+#define MXC_PGC_GPU_BASE        (MX51_GPC_BASE + 0x260)
+#define MXC_SRPG_NEON_BASE      (MX51_GPC_BASE + 0x280)
+#define MXC_SRPG_ARM_BASE       (MX51_GPC_BASE + 0x2A0)
+#define MXC_SRPG_EMPGC0_BASE    (MX51_GPC_BASE + 0x2C0)
+#define MXC_SRPG_EMPGC1_BASE    (MX51_GPC_BASE + 0x2D0)
+#define MXC_SRPG_MEGAMIX_BASE   (MX51_GPC_BASE + 0x2E0)
+#define MXC_SRPG_EMI_BASE       (MX51_GPC_BASE + 0x300)
+
+/* CORTEXA8 platform */
+#define MXC_CORTEXA8_PLAT_PVID          (MX51_CORTEXA8_BASE + 0x0)
+#define MXC_CORTEXA8_PLAT_GPC           (MX51_CORTEXA8_BASE + 0x4)
+#define MXC_CORTEXA8_PLAT_PIC           (MX51_CORTEXA8_BASE + 0x8)
+#define MXC_CORTEXA8_PLAT_LPC           (MX51_CORTEXA8_BASE + 0xC)
+#define MXC_CORTEXA8_PLAT_NEON_LPC      (MX51_CORTEXA8_BASE + 0x10)
+#define MXC_CORTEXA8_PLAT_ICGC          (MX51_CORTEXA8_BASE + 0x14)
+#define MXC_CORTEXA8_PLAT_AMC           (MX51_CORTEXA8_BASE + 0x18)
+#define MXC_CORTEXA8_PLAT_NMC           (MX51_CORTEXA8_BASE + 0x20)
+#define MXC_CORTEXA8_PLAT_NMS           (MX51_CORTEXA8_BASE + 0x24)
+
+/* DVFS CORE */
+#define MXC_DVFSTHRS            (MXC_DVFS_CORE_BASE + 0x00)
+#define MXC_DVFSCOUN            (MXC_DVFS_CORE_BASE + 0x04)
+#define MXC_DVFSSIG1            (MXC_DVFS_CORE_BASE + 0x08)
+#define MXC_DVFSSIG0            (MXC_DVFS_CORE_BASE + 0x0C)
+#define MXC_DVFSGPC0            (MXC_DVFS_CORE_BASE + 0x10)
+#define MXC_DVFSGPC1            (MXC_DVFS_CORE_BASE + 0x14)
+#define MXC_DVFSGPBT            (MXC_DVFS_CORE_BASE + 0x18)
+#define MXC_DVFSEMAC            (MXC_DVFS_CORE_BASE + 0x1C)
+#define MXC_DVFSCNTR            (MXC_DVFS_CORE_BASE + 0x20)
+#define MXC_DVFSLTR0_0          (MXC_DVFS_CORE_BASE + 0x24)
+#define MXC_DVFSLTR0_1          (MXC_DVFS_CORE_BASE + 0x28)
+#define MXC_DVFSLTR1_0          (MXC_DVFS_CORE_BASE + 0x2C)
+#define MXC_DVFSLTR1_1          (MXC_DVFS_CORE_BASE + 0x30)
+#define MXC_DVFSPT0             (MXC_DVFS_CORE_BASE + 0x34)
+#define MXC_DVFSPT1             (MXC_DVFS_CORE_BASE + 0x38)
+#define MXC_DVFSPT2             (MXC_DVFS_CORE_BASE + 0x3C)
+#define MXC_DVFSPT3             (MXC_DVFS_CORE_BASE + 0x40)
+
+/* GPC */
+#define MXC_GPC_CNTR            (MX51_GPC_BASE + 0x0)
+#define MXC_GPC_PGR             (MX51_GPC_BASE + 0x4)
+#define MXC_GPC_VCR             (MX51_GPC_BASE + 0x8)
+#define MXC_GPC_ALL_PU          (MX51_GPC_BASE + 0xC)
+#define MXC_GPC_NEON            (MX51_GPC_BASE + 0x10)
+#define MXC_GPC_PGR_ARMPG_OFFSET        8
+#define MXC_GPC_PGR_ARMPG_MASK          (3 << 8)
+
+/* PGC */
+#define MXC_PGC_IPU_PGCR        (MXC_PGC_IPU_BASE + 0x0)
+#define MXC_PGC_IPU_PGSR        (MXC_PGC_IPU_BASE + 0xC)
+#define MXC_PGC_VPU_PGCR        (MXC_PGC_VPU_BASE + 0x0)
+#define MXC_PGC_VPU_PGSR        (MXC_PGC_VPU_BASE + 0xC)
+#define MXC_PGC_GPU_PGCR        (MXC_PGC_GPU_BASE + 0x0)
+#define MXC_PGC_GPU_PGSR        (MXC_PGC_GPU_BASE + 0xC)
+
+#define MXC_PGCR_PCR            1
+#define MXC_SRPGCR_PCR          1
+#define MXC_EMPGCR_PCR          1
+#define MXC_PGSR_PSR            1
+
+
+#define MXC_CORTEXA8_PLAT_LPC_DSM       (1 << 0)
+#define MXC_CORTEXA8_PLAT_LPC_DBG_DSM   (1 << 1)
+
+/* SRPG */
+#define MXC_SRPG_NEON_SRPGCR    (MXC_SRPG_NEON_BASE + 0x0)
+#define MXC_SRPG_NEON_PUPSCR    (MXC_SRPG_NEON_BASE + 0x4)
+#define MXC_SRPG_NEON_PDNSCR    (MXC_SRPG_NEON_BASE + 0x8)
+
+#define MXC_SRPG_ARM_SRPGCR     (MXC_SRPG_ARM_BASE + 0x0)
+#define MXC_SRPG_ARM_PUPSCR     (MXC_SRPG_ARM_BASE + 0x4)
+#define MXC_SRPG_ARM_PDNSCR     (MXC_SRPG_ARM_BASE + 0x8)
+
+#define MXC_SRPG_EMPGC0_SRPGCR  (MXC_SRPG_EMPGC0_BASE + 0x0)
+#define MXC_SRPG_EMPGC0_PUPSCR  (MXC_SRPG_EMPGC0_BASE + 0x4)
+#define MXC_SRPG_EMPGC0_PDNSCR  (MXC_SRPG_EMPGC0_BASE + 0x8)
+
+#define MXC_SRPG_EMPGC1_SRPGCR  (MXC_SRPG_EMPGC1_BASE + 0x0)
+#define MXC_SRPG_EMPGC1_PUPSCR  (MXC_SRPG_EMPGC1_BASE + 0x4)
+#define MXC_SRPG_EMPGC1_PDNSCR  (MXC_SRPG_EMPGC1_BASE + 0x8)
+
+#define MXC_SRPG_MEGAMIX_SRPGCR         (MXC_SRPG_MEGAMIX_BASE + 0x0)
+#define MXC_SRPG_MEGAMIX_PUPSCR         (MXC_SRPG_MEGAMIX_BASE + 0x4)
+#define MXC_SRPG_MEGAMIX_PDNSCR         (MXC_SRPG_MEGAMIX_BASE + 0x8)
+
+#define MXC_SRPGC_EMI_SRPGCR    (MXC_SRPGC_EMI_BASE + 0x0)
+#define MXC_SRPGC_EMI_PUPSCR    (MXC_SRPGC_EMI_BASE + 0x4)
+#define MXC_SRPGC_EMI_PDNSCR    (MXC_SRPGC_EMI_BASE + 0x8)
+
+#endif                          /* __ARCH_ARM_MACH_MX51_CRM_REGS_H__ */
diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c
new file mode 100644
index 000000000000..d6fd3961ade9
--- /dev/null
+++ b/arch/arm/mach-mx5/devices.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2009 Amit Kucheria <amit.kucheria@canonical.com>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/platform_device.h>
+#include <mach/hardware.h>
+#include <mach/imx-uart.h>
+
+static struct resource uart0[] = {
+        {
+                .start = MX51_UART1_BASE_ADDR,
+                .end = MX51_UART1_BASE_ADDR + 0xfff,
+                .flags = IORESOURCE_MEM,
+        }, {
+                .start = MX51_MXC_INT_UART1,
+                .end = MX51_MXC_INT_UART1,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device mxc_uart_device0 = {
+        .name = "imx-uart",
+        .id = 0,
+        .resource = uart0,
+        .num_resources = ARRAY_SIZE(uart0),
+};
+
+static struct resource uart1[] = {
+        {
+                .start = MX51_UART2_BASE_ADDR,
+                .end = MX51_UART2_BASE_ADDR + 0xfff,
+                .flags = IORESOURCE_MEM,
+        }, {
+                .start = MX51_MXC_INT_UART2,
+                .end = MX51_MXC_INT_UART2,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device mxc_uart_device1 = {
+        .name = "imx-uart",
+        .id = 1,
+        .resource = uart1,
+        .num_resources = ARRAY_SIZE(uart1),
+};
+
+static struct resource uart2[] = {
+        {
+                .start = MX51_UART3_BASE_ADDR,
+                .end = MX51_UART3_BASE_ADDR + 0xfff,
+                .flags = IORESOURCE_MEM,
+        }, {
+                .start = MX51_MXC_INT_UART3,
+                .end = MX51_MXC_INT_UART3,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device mxc_uart_device2 = {
+        .name = "imx-uart",
+        .id = 2,
+        .resource = uart2,
+        .num_resources = ARRAY_SIZE(uart2),
+};
+
+static struct resource mxc_fec_resources[] = {
+        {
+                .start  = MX51_MXC_FEC_BASE_ADDR,
+                .end    = MX51_MXC_FEC_BASE_ADDR + 0xfff,
+                .flags  = IORESOURCE_MEM,
+        }, {
+                .start  = MX51_MXC_INT_FEC,
+                .end    = MX51_MXC_INT_FEC,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+struct platform_device mxc_fec_device = {
+        .name = "fec",
+        .id = 0,
+        .num_resources = ARRAY_SIZE(mxc_fec_resources),
+        .resource = mxc_fec_resources,
+};
+
+/* Dummy definition to allow compiling in AVIC and TZIC simultaneously */
+int __init mxc_register_gpios(void)
+{
+        return 0;
+}
diff --git a/arch/arm/mach-mx5/devices.h b/arch/arm/mach-mx5/devices.h
new file mode 100644
index 000000000000..f339ab8c19be
--- /dev/null
+++ b/arch/arm/mach-mx5/devices.h
@@ -0,0 +1,4 @@
+extern struct platform_device mxc_uart_device0;
+extern struct platform_device mxc_uart_device1;
+extern struct platform_device mxc_uart_device2;
+extern struct platform_device mxc_fec_device;
diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c
new file mode 100644
index 000000000000..c21e18be7af8
--- /dev/null
+++ b/arch/arm/mach-mx5/mm.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License.  You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Create static mapping between physical to virtual memory.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/iomux-v3.h>
+
+/*
+ * Define the MX51 memory map.
+ */
+static struct map_desc mxc_io_desc[] __initdata = {
+        {
+                .virtual = MX51_IRAM_BASE_ADDR_VIRT,
+                .pfn = __phys_to_pfn(MX51_IRAM_BASE_ADDR),
+                .length = MX51_IRAM_SIZE,
+                .type = MT_DEVICE
+        }, {
+                .virtual = MX51_DEBUG_BASE_ADDR_VIRT,
+                .pfn = __phys_to_pfn(MX51_DEBUG_BASE_ADDR),
+                .length = MX51_DEBUG_SIZE,
+                .type = MT_DEVICE
+        }, {
+                .virtual = MX51_TZIC_BASE_ADDR_VIRT,
+                .pfn = __phys_to_pfn(MX51_TZIC_BASE_ADDR),
+                .length = MX51_TZIC_SIZE,
+                .type = MT_DEVICE
+        }, {
+                .virtual = MX51_AIPS1_BASE_ADDR_VIRT,
+                .pfn = __phys_to_pfn(MX51_AIPS1_BASE_ADDR),
+                .length = MX51_AIPS1_SIZE,
+                .type = MT_DEVICE
+        }, {
+                .virtual = MX51_SPBA0_BASE_ADDR_VIRT,
+                .pfn = __phys_to_pfn(MX51_SPBA0_BASE_ADDR),
+                .length = MX51_SPBA0_SIZE,
+                .type = MT_DEVICE
+        }, {
+                .virtual = MX51_AIPS2_BASE_ADDR_VIRT,
+                .pfn = __phys_to_pfn(MX51_AIPS2_BASE_ADDR),
+                .length = MX51_AIPS2_SIZE,
+                .type = MT_DEVICE
+        }, {
+                .virtual = MX51_NFC_AXI_BASE_ADDR_VIRT,
+                .pfn = __phys_to_pfn(MX51_NFC_AXI_BASE_ADDR),
+                .length = MX51_NFC_AXI_SIZE,
+                .type = MT_DEVICE
+        },
+};
+
+/*
+ * This function initializes the memory map. It is called during the
+ * system startup to create static physical to virtual memory mappings
+ * for the IO modules.
+ */
+void __init mx51_map_io(void)
+{
+        u32 tzic_addr;
+
+        if (mx51_revision() < MX51_CHIP_REV_2_0)
+                tzic_addr = 0x8FFFC000;
+        else
+                tzic_addr = 0xE0003000;
+        mxc_io_desc[2].pfn =  __phys_to_pfn(tzic_addr);
+
+        mxc_set_cpu_type(MXC_CPU_MX51);
+        mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
+        mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG_BASE_ADDR));
+        iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
+}
+
+void __init mx51_init_irq(void)
+{
+        tzic_init_irq(MX51_IO_ADDRESS(MX51_TZIC_BASE_ADDR));
+}