patch-mxc-add-ARCH_MX1
Adds MX1 architecture to platform MXC. It will supersede mach-imx
and let it die.
Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-mx1/Kconfig b/arch/arm/mach-mx1/Kconfig
new file mode 100644
index 0000000..2b59fc7
--- /dev/null
+++ b/arch/arm/mach-mx1/Kconfig
@@ -0,0 +1,14 @@
+if ARCH_MX1
+
+comment "MX1 Platforms"
+
+config MACH_MXLADS
+ bool
+
+config ARCH_MX1ADS
+ bool "MX1ADS platform"
+ select MACH_MXLADS
+ help
+ Say Y here if you are using Motorola MX1ADS/MXLADS boards
+
+endif
diff --git a/arch/arm/mach-mx1/Makefile b/arch/arm/mach-mx1/Makefile
new file mode 100644
index 0000000..b969719
--- /dev/null
+++ b/arch/arm/mach-mx1/Makefile
@@ -0,0 +1,10 @@
+#
+# Makefile for the linux kernel.
+#
+
+# Object file lists.
+
+obj-y += generic.o clock.o devices.o
+
+# Specific board support
+obj-$(CONFIG_ARCH_MX1ADS) += mx1ads.o
diff --git a/arch/arm/mach-mx1/Makefile.boot b/arch/arm/mach-mx1/Makefile.boot
new file mode 100644
index 0000000..8ed1492
--- /dev/null
+++ b/arch/arm/mach-mx1/Makefile.boot
@@ -0,0 +1,4 @@
+ zreladdr-y := 0x08008000
+params_phys-y := 0x08000100
+initrd_phys-y := 0x08800000
+
diff --git a/arch/arm/mach-mx1/clock.c b/arch/arm/mach-mx1/clock.c
new file mode 100644
index 0000000..4bcd1ec
--- /dev/null
+++ b/arch/arm/mach-mx1/clock.c
@@ -0,0 +1,656 @@
+/*
+ * Copyright (C) 2008 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
+ *
+ * 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 <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/math64.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <mach/clock.h>
+#include <mach/hardware.h>
+#include "crm_regs.h"
+
+static int _clk_enable(struct clk *clk)
+{
+ unsigned int reg;
+
+ reg = __raw_readl(clk->enable_reg);
+ reg |= 1 << clk->enable_shift;
+ __raw_writel(reg, clk->enable_reg);
+
+ return 0;
+}
+
+static void _clk_disable(struct clk *clk)
+{
+ unsigned int reg;
+
+ reg = __raw_readl(clk->enable_reg);
+ reg &= ~(1 << clk->enable_shift);
+ __raw_writel(reg, clk->enable_reg);
+}
+
+static int _clk_can_use_parent(const struct clk *clk_arr[], unsigned int size,
+ struct clk *parent)
+{
+ int i;
+
+ for (i = 0; i < size; i++)
+ if (parent == clk_arr[i])
+ return i;
+
+ return -EINVAL;
+}
+
+static unsigned long
+_clk_simple_round_rate(struct clk *clk, unsigned long rate, unsigned int limit)
+{
+ int div;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ div = parent_rate / rate;
+ if (parent_rate % rate)
+ div++;
+
+ if (div > limit)
+ div = limit;
+
+ return parent_rate / div;
+}
+
+static unsigned long _clk_parent_round_rate(struct clk *clk, unsigned long rate)
+{
+ return clk->parent->round_rate(clk->parent, rate);
+}
+
+static int _clk_parent_set_rate(struct clk *clk, unsigned long rate)
+{
+ return clk->parent->set_rate(clk->parent, rate);
+}
+
+/*
+ * get the system pll clock in Hz
+ *
+ * mfi + mfn / (mfd +1)
+ * f = 2 * f_ref * --------------------
+ * pd + 1
+ */
+static unsigned long mx1_decode_pll(unsigned int pll, u32 f_ref)
+{
+ unsigned long long ll;
+ unsigned long quot;
+
+ u32 mfi = (pll >> 10) & 0xf;
+ u32 mfn = pll & 0x3ff;
+ u32 mfd = (pll >> 16) & 0x3ff;
+ u32 pd = (pll >> 26) & 0xf;
+
+ mfi = mfi <= 5 ? 5 : mfi;
+
+ ll = 2 * (unsigned long long)f_ref *
+ ((mfi << 16) + (mfn << 16) / (mfd + 1));
+ quot = (pd + 1) * (1 << 16);
+ ll += quot / 2;
+ do_div(ll, quot);
+ return (unsigned long)ll;
+}
+
+static unsigned long clk16m_get_rate(struct clk *clk)
+{
+ return 16000000;
+}
+
+static struct clk clk16m = {
+ .name = "CLK16M",
+ .get_rate = clk16m_get_rate,
+ .enable = _clk_enable,
+ .enable_reg = CCM_CSCR,
+ .enable_shift = CCM_CSCR_OSC_EN_SHIFT,
+ .disable = _clk_disable,
+};
+
+/* in Hz */
+static unsigned long clk32_rate;
+
+static unsigned long clk32_get_rate(struct clk *clk)
+{
+ return clk32_rate;
+}
+
+static struct clk clk32 = {
+ .name = "CLK32",
+ .get_rate = clk32_get_rate,
+};
+
+static unsigned long clk32_premult_get_rate(struct clk *clk)
+{
+ return clk_get_rate(clk->parent) * 512;
+}
+
+static struct clk clk32_premult = {
+ .name = "CLK32_premultiplier",
+ .parent = &clk32,
+ .get_rate = clk32_premult_get_rate,
+};
+
+static const struct clk *prem_clk_clocks[] = {
+ &clk32_premult,
+ &clk16m,
+};
+
+static int prem_clk_set_parent(struct clk *clk, struct clk *parent)
+{
+ int i;
+ unsigned int reg = __raw_readl(CCM_CSCR);
+
+ i = _clk_can_use_parent(prem_clk_clocks, ARRAY_SIZE(prem_clk_clocks),
+ parent);
+
+ switch (i) {
+ case 0:
+ reg &= ~CCM_CSCR_SYSTEM_SEL;
+ break;
+ case 1:
+ reg |= CCM_CSCR_SYSTEM_SEL;
+ break;
+ default:
+ return i;
+ }
+
+ __raw_writel(reg, CCM_CSCR);
+
+ return 0;
+}
+
+static struct clk prem_clk = {
+ .name = "prem_clk",
+ .set_parent = prem_clk_set_parent,
+};
+
+static unsigned long system_clk_get_rate(struct clk *clk)
+{
+ return mx1_decode_pll(__raw_readl(CCM_SPCTL0),
+ clk_get_rate(clk->parent));
+}
+
+static struct clk system_clk = {
+ .name = "system_clk",
+ .parent = &prem_clk,
+ .get_rate = system_clk_get_rate,
+};
+
+static unsigned long mcu_clk_get_rate(struct clk *clk)
+{
+ return mx1_decode_pll(__raw_readl(CCM_MPCTL0),
+ clk_get_rate(clk->parent));
+}
+
+static struct clk mcu_clk = {
+ .name = "mcu_clk",
+ .parent = &clk32_premult,
+ .get_rate = mcu_clk_get_rate,
+};
+
+static unsigned long fclk_get_rate(struct clk *clk)
+{
+ unsigned long fclk = clk_get_rate(clk->parent);
+
+ if (__raw_readl(CCM_CSCR) & CCM_CSCR_PRESC)
+ fclk /= 2;
+
+ return fclk;
+}
+
+static struct clk fclk = {
+ .name = "fclk",
+ .parent = &mcu_clk,
+ .get_rate = fclk_get_rate,
+};
+
+/*
+ * get hclk ( SDRAM, CSI, Memory Stick, I2C, DMA )
+ */
+static unsigned long hclk_get_rate(struct clk *clk)
+{
+ return clk_get_rate(clk->parent) / (((__raw_readl(CCM_CSCR) &
+ CCM_CSCR_BCLK_MASK) >> CCM_CSCR_BCLK_OFFSET) + 1);
+}
+
+static unsigned long hclk_round_rate(struct clk *clk, unsigned long rate)
+{
+ return _clk_simple_round_rate(clk, rate, 16);
+}
+
+static int hclk_set_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned int div;
+ unsigned int reg;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ div = parent_rate / rate;
+
+ if (div > 16 || div < 1 || ((parent_rate / div) != rate))
+ return -EINVAL;
+
+ div--;
+
+ reg = __raw_readl(CCM_CSCR);
+ reg &= ~CCM_CSCR_BCLK_MASK;
+ reg |= div << CCM_CSCR_BCLK_OFFSET;
+ __raw_writel(reg, CCM_CSCR);
+
+ return 0;
+}
+
+static struct clk hclk = {
+ .name = "hclk",
+ .parent = &system_clk,
+ .get_rate = hclk_get_rate,
+ .round_rate = hclk_round_rate,
+ .set_rate = hclk_set_rate,
+};
+
+static unsigned long clk48m_get_rate(struct clk *clk)
+{
+ return clk_get_rate(clk->parent) / (((__raw_readl(CCM_CSCR) &
+ CCM_CSCR_USB_MASK) >> CCM_CSCR_USB_OFFSET) + 1);
+}
+
+static unsigned long clk48m_round_rate(struct clk *clk, unsigned long rate)
+{
+ return _clk_simple_round_rate(clk, rate, 8);
+}
+
+static int clk48m_set_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned int div;
+ unsigned int reg;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ div = parent_rate / rate;
+
+ if (div > 8 || div < 1 || ((parent_rate / div) != rate))
+ return -EINVAL;
+
+ div--;
+
+ reg = __raw_readl(CCM_CSCR);
+ reg &= ~CCM_CSCR_USB_MASK;
+ reg |= div << CCM_CSCR_USB_OFFSET;
+ __raw_writel(reg, CCM_CSCR);
+
+ return 0;
+}
+
+static struct clk clk48m = {
+ .name = "CLK48M",
+ .parent = &system_clk,
+ .get_rate = clk48m_get_rate,
+ .round_rate = clk48m_round_rate,
+ .set_rate = clk48m_set_rate,
+};
+
+/*
+ * get peripheral clock 1 ( UART[12], Timer[12], PWM )
+ */
+static unsigned long perclk1_get_rate(struct clk *clk)
+{
+ return clk_get_rate(clk->parent) / (((__raw_readl(CCM_PCDR) &
+ CCM_PCDR_PCLK1_MASK) >> CCM_PCDR_PCLK1_OFFSET) + 1);
+}
+
+static unsigned long perclk1_round_rate(struct clk *clk, unsigned long rate)
+{
+ return _clk_simple_round_rate(clk, rate, 16);
+}
+
+static int perclk1_set_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned int div;
+ unsigned int reg;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ div = parent_rate / rate;
+
+ if (div > 16 || div < 1 || ((parent_rate / div) != rate))
+ return -EINVAL;
+
+ div--;
+
+ reg = __raw_readl(CCM_PCDR);
+ reg &= ~CCM_PCDR_PCLK1_MASK;
+ reg |= div << CCM_PCDR_PCLK1_OFFSET;
+ __raw_writel(reg, CCM_PCDR);
+
+ return 0;
+}
+
+/*
+ * get peripheral clock 2 ( LCD, SD, SPI[12] )
+ */
+static unsigned long perclk2_get_rate(struct clk *clk)
+{
+ return clk_get_rate(clk->parent) / (((__raw_readl(CCM_PCDR) &
+ CCM_PCDR_PCLK2_MASK) >> CCM_PCDR_PCLK2_OFFSET) + 1);
+}
+
+static unsigned long perclk2_round_rate(struct clk *clk, unsigned long rate)
+{
+ return _clk_simple_round_rate(clk, rate, 16);
+}
+
+static int perclk2_set_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned int div;
+ unsigned int reg;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ div = parent_rate / rate;
+
+ if (div > 16 || div < 1 || ((parent_rate / div) != rate))
+ return -EINVAL;
+
+ div--;
+
+ reg = __raw_readl(CCM_PCDR);
+ reg &= ~CCM_PCDR_PCLK2_MASK;
+ reg |= div << CCM_PCDR_PCLK2_OFFSET;
+ __raw_writel(reg, CCM_PCDR);
+
+ return 0;
+}
+
+/*
+ * get peripheral clock 3 ( SSI )
+ */
+static unsigned long perclk3_get_rate(struct clk *clk)
+{
+ return clk_get_rate(clk->parent) / (((__raw_readl(CCM_PCDR) &
+ CCM_PCDR_PCLK3_MASK) >> CCM_PCDR_PCLK3_OFFSET) + 1);
+}
+
+static unsigned long perclk3_round_rate(struct clk *clk, unsigned long rate)
+{
+ return _clk_simple_round_rate(clk, rate, 128);
+}
+
+static int perclk3_set_rate(struct clk *clk, unsigned long rate)
+{
+ unsigned int div;
+ unsigned int reg;
+ unsigned long parent_rate;
+
+ parent_rate = clk_get_rate(clk->parent);
+
+ div = parent_rate / rate;
+
+ if (div > 128 || div < 1 || ((parent_rate / div) != rate))
+ return -EINVAL;
+
+ div--;
+
+ reg = __raw_readl(CCM_PCDR);
+ reg &= ~CCM_PCDR_PCLK3_MASK;
+ reg |= div << CCM_PCDR_PCLK3_OFFSET;
+ __raw_writel(reg, CCM_PCDR);
+
+ return 0;
+}
+
+static struct clk perclk[] = {
+ {
+ .name = "perclk",
+ .id = 0,
+ .parent = &system_clk,
+ .get_rate = perclk1_get_rate,
+ .round_rate = perclk1_round_rate,
+ .set_rate = perclk1_set_rate,
+ }, {
+ .name = "perclk",
+ .id = 1,
+ .parent = &system_clk,
+ .get_rate = perclk2_get_rate,
+ .round_rate = perclk2_round_rate,
+ .set_rate = perclk2_set_rate,
+ }, {
+ .name = "perclk",
+ .id = 2,
+ .parent = &system_clk,
+ .get_rate = perclk3_get_rate,
+ .round_rate = perclk3_round_rate,
+ .set_rate = perclk3_set_rate,
+ }
+};
+
+static const struct clk *clko_clocks[] = {
+ &perclk[0],
+ &hclk,
+ &clk48m,
+ &clk16m,
+ &prem_clk,
+ &fclk,
+};
+
+static int clko_set_parent(struct clk *clk, struct clk *parent)
+{
+ int i;
+ unsigned int reg;
+
+ i = _clk_can_use_parent(clko_clocks, ARRAY_SIZE(clko_clocks), parent);
+ if (i < 0)
+ return i;
+
+ reg = __raw_readl(CCM_CSCR) & ~CCM_CSCR_CLKO_MASK;
+ reg |= i << CCM_CSCR_CLKO_OFFSET;
+ __raw_writel(reg, CCM_CSCR);
+
+ if (clko_clocks[i]->set_rate && clko_clocks[i]->round_rate) {
+ clk->set_rate = _clk_parent_set_rate;
+ clk->round_rate = _clk_parent_round_rate;
+ } else {
+ clk->set_rate = NULL;
+ clk->round_rate = NULL;
+ }
+
+ return 0;
+}
+
+static struct clk clko_clk = {
+ .name = "clko_clk",
+ .set_parent = clko_set_parent,
+};
+
+static struct clk dma_clk = {
+ .name = "dma_clk",
+ .parent = &hclk,
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+ .enable = _clk_enable,
+ .enable_reg = SCM_GCCR,
+ .enable_shift = SCM_GCCR_DMA_CLK_EN_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk csi_clk = {
+ .name = "csi_clk",
+ .parent = &hclk,
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+ .enable = _clk_enable,
+ .enable_reg = SCM_GCCR,
+ .enable_shift = SCM_GCCR_CSI_CLK_EN_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk mma_clk = {
+ .name = "mma_clk",
+ .parent = &hclk,
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+ .enable = _clk_enable,
+ .enable_reg = SCM_GCCR,
+ .enable_shift = SCM_GCCR_MMA_CLK_EN_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk usbd_clk = {
+ .name = "usbd_clk",
+ .parent = &clk48m,
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+ .enable = _clk_enable,
+ .enable_reg = SCM_GCCR,
+ .enable_shift = SCM_GCCR_USBD_CLK_EN_OFFSET,
+ .disable = _clk_disable,
+};
+
+static struct clk gpt_clk = {
+ .name = "gpt_clk",
+ .parent = &perclk[0],
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+};
+
+static struct clk uart_clk = {
+ .name = "uart_clk",
+ .parent = &perclk[0],
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+};
+
+static struct clk i2c_clk = {
+ .name = "i2c_clk",
+ .parent = &hclk,
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+};
+
+static struct clk spi_clk = {
+ .name = "spi_clk",
+ .parent = &perclk[1],
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+};
+
+static struct clk sdhc_clk = {
+ .name = "sdhc_clk",
+ .parent = &perclk[1],
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+};
+
+static struct clk lcdc_clk = {
+ .name = "lcdc_clk",
+ .parent = &perclk[1],
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+};
+
+static struct clk mshc_clk = {
+ .name = "mshc_clk",
+ .parent = &hclk,
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+};
+
+static struct clk ssi_clk = {
+ .name = "ssi_clk",
+ .parent = &perclk[2],
+ .round_rate = _clk_parent_round_rate,
+ .set_rate = _clk_parent_set_rate,
+};
+
+static struct clk rtc_clk = {
+ .name = "rtc_clk",
+ .parent = &clk32,
+};
+
+static struct clk *mxc_clks[] = {
+ &clk16m,
+ &clk32,
+ &clk32_premult,
+ &prem_clk,
+ &system_clk,
+ &mcu_clk,
+ &fclk,
+ &hclk,
+ &clk48m,
+ &perclk[0],
+ &perclk[1],
+ &perclk[2],
+ &clko_clk,
+ &dma_clk,
+ &csi_clk,
+ &mma_clk,
+ &usbd_clk,
+ &gpt_clk,
+ &uart_clk,
+ &i2c_clk,
+ &spi_clk,
+ &sdhc_clk,
+ &lcdc_clk,
+ &mshc_clk,
+ &ssi_clk,
+ &rtc_clk,
+};
+
+int __init mxc_clocks_init(unsigned long fref)
+{
+ struct clk **clkp;
+ unsigned int reg;
+
+ /* disable clocks we are able to */
+ __raw_writel(0, SCM_GCCR);
+
+ clk32_rate = fref;
+ reg = __raw_readl(CCM_CSCR);
+
+ /* detect clock reference for system PLL */
+ if (reg & CCM_CSCR_SYSTEM_SEL) {
+ prem_clk.parent = &clk16m;
+ } else {
+ /* ensure that oscillator is disabled */
+ reg &= ~(1 << CCM_CSCR_OSC_EN_SHIFT);
+ __raw_writel(reg, CCM_CSCR);
+ prem_clk.parent = &clk32_premult;
+ }
+
+ /* detect reference for CLKO */
+ reg = (reg & CCM_CSCR_CLKO_MASK) >> CCM_CSCR_CLKO_OFFSET;
+ clko_clk.parent = (struct clk *)clko_clocks[reg];
+
+ for (clkp = mxc_clks; clkp < mxc_clks + ARRAY_SIZE(mxc_clks); clkp++)
+ clk_register(*clkp);
+
+ clk_enable(&hclk);
+ clk_enable(&fclk);
+
+ return 0;
+}
diff --git a/arch/arm/mach-mx1/crm_regs.h b/arch/arm/mach-mx1/crm_regs.h
new file mode 100644
index 0000000..22e866f
--- /dev/null
+++ b/arch/arm/mach-mx1/crm_regs.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (c) 2008 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * This file may be distributed under the terms of the GNU General
+ * Public License, version 2.
+ */
+
+#ifndef __ARCH_ARM_MACH_MX1_CRM_REGS_H__
+#define __ARCH_ARM_MACH_MX1_CRM_REGS_H__
+
+#define CCM_BASE IO_ADDRESS(CCM_BASE_ADDR)
+#define SCM_BASE IO_ADDRESS(SCM_BASE_ADDR)
+
+/* CCM register addresses */
+#define CCM_CSCR (CCM_BASE + 0x0)
+#define CCM_MPCTL0 (CCM_BASE + 0x4)
+#define CCM_MPCTL1 (CCM_BASE + 0x8)
+#define CCM_SPCTL0 (CCM_BASE + 0xC)
+#define CCM_SPCTL1 (CCM_BASE + 0x10)
+#define CCM_PCDR (CCM_BASE + 0x20)
+
+#define CCM_CSCR_CLKO_OFFSET 29
+#define CCM_CSCR_CLKO_MASK (0x7 << 29)
+#define CCM_CSCR_USB_OFFSET 26
+#define CCM_CSCR_USB_MASK (0x7 << 26)
+#define CCM_CSCR_SPLL_RESTART (1 << 22)
+#define CCM_CSCR_MPLL_RESTART (1 << 21)
+#define CCM_CSCR_OSC_EN_SHIFT 17
+#define CCM_CSCR_SYSTEM_SEL (1 << 16)
+#define CCM_CSCR_BCLK_OFFSET 10
+#define CCM_CSCR_BCLK_MASK (0xF << 10)
+#define CCM_CSCR_PRESC (1 << 15)
+#define CCM_CSCR_SPEN (1 << 1)
+#define CCM_CSCR_MPEN (1 << 0)
+
+#define CCM_PCDR_PCLK3_OFFSET 16
+#define CCM_PCDR_PCLK3_MASK (0x7F << 16)
+#define CCM_PCDR_PCLK2_OFFSET 4
+#define CCM_PCDR_PCLK2_MASK (0xF << 4)
+#define CCM_PCDR_PCLK1_OFFSET 0
+#define CCM_PCDR_PCLK1_MASK 0xF
+
+/* SCM register addresses */
+#define SCM_SIDR (SCM_BASE + 0x0)
+#define SCM_FMCR (SCM_BASE + 0x4)
+#define SCM_GPCR (SCM_BASE + 0x8)
+#define SCM_GCCR (SCM_BASE + 0xC)
+
+#define SCM_GCCR_DMA_CLK_EN_OFFSET 3
+#define SCM_GCCR_CSI_CLK_EN_OFFSET 2
+#define SCM_GCCR_MMA_CLK_EN_OFFSET 1
+#define SCM_GCCR_USBD_CLK_EN_OFFSET 0
+
+#endif /* __ARCH_ARM_MACH_MX2_CRM_REGS_H__ */
diff --git a/arch/arm/mach-mx1/devices.c b/arch/arm/mach-mx1/devices.c
new file mode 100644
index 0000000..aa7b0b0
--- /dev/null
+++ b/arch/arm/mach-mx1/devices.c
@@ -0,0 +1,118 @@
+/*
+ * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008 Sascha Hauer, kernel@pengutronix.de
+ * Copyright (c) 2008 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * 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., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <mach/hardware.h>
+
+static struct resource imx_uart1_resources[] = {
+ [0] = {
+ .start = UART1_BASE_ADDR,
+ .end = UART1_BASE_ADDR + 0xD0,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = UART1_MINT_RX,
+ .end = UART1_MINT_RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = UART1_MINT_TX,
+ .end = UART1_MINT_TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = UART1_MINT_RTS,
+ .end = UART1_MINT_RTS,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device imx_uart1_device = {
+ .name = "imx-uart",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(imx_uart1_resources),
+ .resource = imx_uart1_resources,
+};
+
+static struct resource imx_uart2_resources[] = {
+ [0] = {
+ .start = UART2_BASE_ADDR,
+ .end = UART2_BASE_ADDR + 0xD0,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = UART2_MINT_RX,
+ .end = UART2_MINT_RX,
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = UART2_MINT_TX,
+ .end = UART2_MINT_TX,
+ .flags = IORESOURCE_IRQ,
+ },
+ [3] = {
+ .start = UART2_MINT_RTS,
+ .end = UART2_MINT_RTS,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device imx_uart2_device = {
+ .name = "imx-uart",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(imx_uart2_resources),
+ .resource = imx_uart2_resources,
+};
+
+/* GPIO port description */
+static struct mxc_gpio_port imx_gpio_ports[] = {
+ [0] = {
+ .chip.label = "gpio-0",
+ .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR),
+ .irq = GPIO_INT_PORTA,
+ .virtual_irq_start = MXC_MAX_INT_LINES
+ },
+ [1] = {
+ .chip.label = "gpio-1",
+ .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR + 0x100),
+ .irq = GPIO_INT_PORTB,
+ .virtual_irq_start = MXC_MAX_INT_LINES + 32
+ },
+ [2] = {
+ .chip.label = "gpio-2",
+ .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR + 0x200),
+ .irq = GPIO_INT_PORTC,
+ .virtual_irq_start = MXC_MAX_INT_LINES + 64
+ },
+ [3] = {
+ .chip.label = "gpio-3",
+ .base = (void __iomem *)IO_ADDRESS(GPIO_BASE_ADDR + 0x300),
+ .irq = GPIO_INT_PORTD,
+ .virtual_irq_start = MXC_MAX_INT_LINES + 96
+ }
+};
+
+int __init mxc_register_gpios(void)
+{
+ return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
+}
diff --git a/arch/arm/mach-mx1/devices.h b/arch/arm/mach-mx1/devices.h
new file mode 100644
index 0000000..408485b
--- /dev/null
+++ b/arch/arm/mach-mx1/devices.h
@@ -0,0 +1,2 @@
+extern struct platform_device imx_uart1_device;
+extern struct platform_device imx_uart2_device;
diff --git a/arch/arm/mach-mx1/generic.c b/arch/arm/mach-mx1/generic.c
new file mode 100644
index 0000000..0dec6f3
--- /dev/null
+++ b/arch/arm/mach-mx1/generic.c
@@ -0,0 +1,43 @@
+/*
+ * author: Sascha Hauer
+ * Created: april 20th, 2004
+ * Copyright: Synertronixx GmbH
+ *
+ * Common code for i.MX machines
+ *
+ * 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 <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+
+static struct map_desc imx_io_desc[] __initdata = {
+ {
+ .virtual = IMX_IO_BASE,
+ .pfn = __phys_to_pfn(IMX_IO_PHYS),
+ .length = IMX_IO_SIZE,
+ .type = MT_DEVICE
+ }
+};
+
+void __init mxc_map_io(void)
+{
+ iotable_init(imx_io_desc, ARRAY_SIZE(imx_io_desc));
+}
diff --git a/arch/arm/mach-mx1/mx1ads.c b/arch/arm/mach-mx1/mx1ads.c
new file mode 100644
index 0000000..2e4b185
--- /dev/null
+++ b/arch/arm/mach-mx1/mx1ads.c
@@ -0,0 +1,148 @@
+/*
+ * arch/arm/mach-imx/mx1ads.c
+ *
+ * Initially based on:
+ * linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
+ * Copyright (c) 2004 Sascha Hauer <sascha@saschahauer.de>
+ *
+ * 2004 (c) MontaVista Software, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/imx-uart.h>
+#include <mach/iomux-mx1-mx2.h>
+#include "devices.h"
+
+/*
+ * UARTs platform data
+ */
+static int mxc_uart1_pins[] = {
+ PC9_PF_UART1_CTS,
+ PC10_PF_UART1_RTS,
+ PC11_PF_UART1_TXD,
+ PC12_PF_UART1_RXD,
+};
+
+static int uart1_mxc_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
+ ARRAY_SIZE(mxc_uart1_pins), "UART1");
+}
+
+static int uart1_mxc_exit(struct platform_device *pdev)
+{
+ mxc_gpio_release_multiple_pins(mxc_uart1_pins,
+ ARRAY_SIZE(mxc_uart1_pins));
+ return 0;
+}
+
+static int mxc_uart2_pins[] = {
+ PB28_PF_UART2_CTS,
+ PB29_PF_UART2_RTS,
+ PB30_PF_UART2_TXD,
+ PB31_PF_UART2_RXD,
+};
+
+static int uart2_mxc_init(struct platform_device *pdev)
+{
+ return mxc_gpio_setup_multiple_pins(mxc_uart2_pins,
+ ARRAY_SIZE(mxc_uart2_pins), "UART2");
+}
+
+static int uart2_mxc_exit(struct platform_device *pdev)
+{
+ mxc_gpio_release_multiple_pins(mxc_uart2_pins,
+ ARRAY_SIZE(mxc_uart2_pins));
+ return 0;
+}
+
+static struct imxuart_platform_data uart_pdata[] = {
+ {
+ .init = uart1_mxc_init,
+ .exit = uart1_mxc_exit,
+ .flags = IMXUART_HAVE_RTSCTS,
+ }, {
+ .init = uart2_mxc_init,
+ .exit = uart2_mxc_exit,
+ .flags = IMXUART_HAVE_RTSCTS,
+ },
+};
+
+/*
+ * Physmap flash
+ */
+
+static struct physmap_flash_data mx1ads_flash_data = {
+ .width = 4, /* bankwidth in bytes */
+};
+
+static struct resource flash_resource = {
+ .start = IMX_CS0_PHYS,
+ .end = IMX_CS0_PHYS + SZ_32M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device flash_device = {
+ .name = "physmap-flash",
+ .id = 0,
+ .resource = &flash_resource,
+ .num_resources = 1,
+};
+
+/*
+ * Board init
+ */
+static void __init mx1ads_init(void)
+{
+ /* UART */
+ mxc_register_device(&imx_uart1_device, &uart_pdata[0]);
+ mxc_register_device(&imx_uart2_device, &uart_pdata[1]);
+
+ /* Physmap flash */
+ mxc_register_device(&flash_device, &mx1ads_flash_data);
+}
+
+static void __init mx1ads_timer_init(void)
+{
+ mxc_clocks_init(32000);
+ mxc_timer_init("gpt_clk");
+}
+
+struct sys_timer mx1ads_timer = {
+ .init = mx1ads_timer_init,
+};
+
+MACHINE_START(MX1ADS, "Freescale MX1ADS")
+ /* Maintainer: Sascha Hauer, Pengutronix */
+ .phys_io = IMX_IO_PHYS,
+ .io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
+ .boot_params = PHYS_OFFSET + 0x100,
+ .map_io = mxc_map_io,
+ .init_irq = mxc_init_irq,
+ .timer = &mx1ads_timer,
+ .init_machine = mx1ads_init,
+MACHINE_END
+
+MACHINE_START(MXLADS, "Freescale MXLADS")
+ .phys_io = IMX_IO_PHYS,
+ .io_pg_offst = (IMX_IO_BASE >> 18) & 0xfffc,
+ .boot_params = PHYS_OFFSET + 0x100,
+ .map_io = mxc_map_io,
+ .init_irq = mxc_init_irq,
+ .timer = &mx1ads_timer,
+ .init_machine = mx1ads_init,
+MACHINE_END