Patchwork [U-Boot,v2,1/2] armv7: add support for S5PC210 SoC

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Submitter Minkyu Kang
Date Jan. 13, 2011, 10:14 a.m.
Message ID <4D2ED08C.1040000@samsung.com>
Download mbox | patch
Permalink /patch/78703/
State Changes Requested
Delegated to: Minkyu Kang
Headers show

Comments

Minkyu Kang - Jan. 13, 2011, 10:14 a.m.
S5PC210 is a 32-bit RISC and Cortex-A9 Dual Core based micro-processor.

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
v2
 fixtypo: RSIC -> RISC, Coretex -> Cortex

 arch/arm/cpu/armv7/s5pc2xx/Makefile           |   42 ++++
 arch/arm/cpu/armv7/s5pc2xx/clock.c            |  220 +++++++++++++++++++++
 arch/arm/cpu/armv7/s5pc2xx/soc.c              |   30 +++
 arch/arm/include/asm/arch-s5pc2xx/adc.h       |   42 ++++
 arch/arm/include/asm/arch-s5pc2xx/clk.h       |   36 ++++
 arch/arm/include/asm/arch-s5pc2xx/clock.h     |  255 +++++++++++++++++++++++++
 arch/arm/include/asm/arch-s5pc2xx/cpu.h       |   96 +++++++++
 arch/arm/include/asm/arch-s5pc2xx/gpio.h      |  112 +++++++++++
 arch/arm/include/asm/arch-s5pc2xx/mmc.h       |   71 +++++++
 arch/arm/include/asm/arch-s5pc2xx/pwm.h       |   55 ++++++
 arch/arm/include/asm/arch-s5pc2xx/sys_proto.h |   32 +++
 arch/arm/include/asm/arch-s5pc2xx/uart.h      |   55 ++++++
 12 files changed, 1046 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/cpu/armv7/s5pc2xx/Makefile
 create mode 100644 arch/arm/cpu/armv7/s5pc2xx/clock.c
 create mode 100644 arch/arm/cpu/armv7/s5pc2xx/soc.c
 create mode 100644 arch/arm/include/asm/arch-s5pc2xx/adc.h
 create mode 100644 arch/arm/include/asm/arch-s5pc2xx/clk.h
 create mode 100644 arch/arm/include/asm/arch-s5pc2xx/clock.h
 create mode 100644 arch/arm/include/asm/arch-s5pc2xx/cpu.h
 create mode 100644 arch/arm/include/asm/arch-s5pc2xx/gpio.h
 create mode 100644 arch/arm/include/asm/arch-s5pc2xx/mmc.h
 create mode 100644 arch/arm/include/asm/arch-s5pc2xx/pwm.h
 create mode 100644 arch/arm/include/asm/arch-s5pc2xx/sys_proto.h
 create mode 100644 arch/arm/include/asm/arch-s5pc2xx/uart.h
Minkyu Kang - Jan. 20, 2011, 12:46 p.m.
On 13 January 2011 19:14, Minkyu Kang <mk7.kang@samsung.com> wrote:
> S5PC210 is a 32-bit RISC and Cortex-A9 Dual Core based micro-processor.
>
> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> ---
> v2
>  fixtypo: RSIC -> RISC, Coretex -> Cortex
>
>  arch/arm/cpu/armv7/s5pc2xx/Makefile           |   42 ++++
>  arch/arm/cpu/armv7/s5pc2xx/clock.c            |  220 +++++++++++++++++++++
>  arch/arm/cpu/armv7/s5pc2xx/soc.c              |   30 +++
>  arch/arm/include/asm/arch-s5pc2xx/adc.h       |   42 ++++
>  arch/arm/include/asm/arch-s5pc2xx/clk.h       |   36 ++++
>  arch/arm/include/asm/arch-s5pc2xx/clock.h     |  255 +++++++++++++++++++++++++
>  arch/arm/include/asm/arch-s5pc2xx/cpu.h       |   96 +++++++++
>  arch/arm/include/asm/arch-s5pc2xx/gpio.h      |  112 +++++++++++
>  arch/arm/include/asm/arch-s5pc2xx/mmc.h       |   71 +++++++
>  arch/arm/include/asm/arch-s5pc2xx/pwm.h       |   55 ++++++
>  arch/arm/include/asm/arch-s5pc2xx/sys_proto.h |   32 +++
>  arch/arm/include/asm/arch-s5pc2xx/uart.h      |   55 ++++++
>  12 files changed, 1046 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/cpu/armv7/s5pc2xx/Makefile
>  create mode 100644 arch/arm/cpu/armv7/s5pc2xx/clock.c
>  create mode 100644 arch/arm/cpu/armv7/s5pc2xx/soc.c
>  create mode 100644 arch/arm/include/asm/arch-s5pc2xx/adc.h
>  create mode 100644 arch/arm/include/asm/arch-s5pc2xx/clk.h
>  create mode 100644 arch/arm/include/asm/arch-s5pc2xx/clock.h
>  create mode 100644 arch/arm/include/asm/arch-s5pc2xx/cpu.h
>  create mode 100644 arch/arm/include/asm/arch-s5pc2xx/gpio.h
>  create mode 100644 arch/arm/include/asm/arch-s5pc2xx/mmc.h
>  create mode 100644 arch/arm/include/asm/arch-s5pc2xx/pwm.h
>  create mode 100644 arch/arm/include/asm/arch-s5pc2xx/sys_proto.h
>  create mode 100644 arch/arm/include/asm/arch-s5pc2xx/uart.h
>

> diff --git a/arch/arm/include/asm/arch-s5pc2xx/cpu.h b/arch/arm/include/asm/arch-s5pc2xx/cpu.h
> new file mode 100644
> index 0000000..a5db68c
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-s5pc2xx/cpu.h
> @@ -0,0 +1,96 @@
> +/*
> + * (C) Copyright 2010 Samsung Electronics
> + * Minkyu Kang <mk7.kang@samsung.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
> + *
> + */
> +
> +#ifndef _S5PC2XX_CPU_H
> +#define _S5PC2XX_CPU_H
> +
> +#define S5PC2XX_ADDR_BASE      0x10000000
> +
> +/* S5PC210 */
> +#define S5PC210_GPIO_PART3_BASE        0x03860000
> +#define S5PC210_PRO_ID         0x10000000
> +#define S5PC210_POWER_BASE     0x10020000
> +#define S5PC210_SWRESET                0x10020400
> +#define S5PC210_CLOCK_BASE     0x10030000
> +#define S5PC210_SYSTIMER_BASE  0x10050000
> +#define S5PC210_WATCHDOG_BASE  0x10060000
> +#define S5PC210_MIU_BASE       0x10600000
> +#define S5PC210_DMC0_BASE      0x10400000
> +#define S5PC210_DMC1_BASE      0x10410000
> +#define S5PC210_GPIO_PART2_BASE        0x11000000
> +#define S5PC210_GPIO_PART1_BASE        0x11400000
> +#define S5PC210_FIMD_BASE      0x11C00000
> +#define S5PC210_USBOTG_BASE    0x12480000
> +#define S5PC210_MMC_BASE       0x12510000
> +#define S5PC210_SROMC_BASE     0x12570000
> +#define S5PC210_USBPHY_BASE    0x125B0000
> +#define S5PC210_UART_BASE      0x13800000
> +#define S5PC210_ADC_BASE       0x13910000
> +#define S5PC210_PWMTIMER_BASE  0x139D0000
> +#define S5PC210_MODEM_BASE     0x13A00000
> +
> +#ifndef __ASSEMBLY__
> +#include <asm/io.h>
> +/* CPU detection macros */
> +extern unsigned int s5p_cpu_id;
> +
> +static inline void s5p_set_cpu_id(void)
> +{
> +       s5p_cpu_id = readl(S5PC210_PRO_ID);
> +       s5p_cpu_id = (0xC000 | ((s5p_cpu_id & 0x00FFF000) >> 12)) + 0x10;

Need to update for s5pc210 EVT1.
I will update it at next patch.

> +}
> +
> +#define IS_SAMSUNG_TYPE(type, id)                      \
> +static inline int cpu_is_##type(void)                  \
> +{                                                      \
> +       return s5p_cpu_id == id ? 1 : 0;                \
> +}
> +
> +IS_SAMSUNG_TYPE(s5pc210, 0xc210)
> +
> +#define SAMSUNG_BASE(device, base)                             \
> +static inline unsigned int samsung_get_base_##device(void)     \
> +{                                                              \
> +       if (cpu_is_s5pc210())                                   \
> +               return S5PC210_##base;                          \
> +       else                                                    \
> +               return 0;                                       \
> +}
> +
> +SAMSUNG_BASE(adc, ADC_BASE)
> +SAMSUNG_BASE(clock, CLOCK_BASE)
> +SAMSUNG_BASE(fimd, FIMD_BASE)
> +SAMSUNG_BASE(gpio_part1, GPIO_PART1_BASE)
> +SAMSUNG_BASE(gpio_part2, GPIO_PART2_BASE)
> +SAMSUNG_BASE(gpio_part3, GPIO_PART3_BASE)
> +SAMSUNG_BASE(pro_id, PRO_ID)
> +SAMSUNG_BASE(mmc, MMC_BASE)
> +SAMSUNG_BASE(modem, MODEM_BASE)
> +SAMSUNG_BASE(sromc, SROMC_BASE)
> +SAMSUNG_BASE(swreset, SWRESET)
> +SAMSUNG_BASE(timer, PWMTIMER_BASE)
> +SAMSUNG_BASE(uart, UART_BASE)
> +SAMSUNG_BASE(usb_phy, USBPHY_BASE)
> +SAMSUNG_BASE(usb_otg, USBOTG_BASE)
> +SAMSUNG_BASE(watchdog, WATCHDOG_BASE)
> +#endif
> +
> +#endif /* _S5PC2XX_CPU_H */

Minkyu Kang

Patch

diff --git a/arch/arm/cpu/armv7/s5pc2xx/Makefile b/arch/arm/cpu/armv7/s5pc2xx/Makefile
new file mode 100644
index 0000000..124c380
--- /dev/null
+++ b/arch/arm/cpu/armv7/s5pc2xx/Makefile
@@ -0,0 +1,42 @@ 
+#
+# Copyright (C) 2009 Samsung Electronics
+# Minkyu Kang <mk7.kang@samsung.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 $(TOPDIR)/config.mk
+
+LIB	= $(obj)lib$(SOC).o
+
+COBJS	+= clock.o soc.o
+
+SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+all:	 $(obj).depend $(LIB)
+
+$(LIB):	$(OBJS)
+	$(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/arm/cpu/armv7/s5pc2xx/clock.c b/arch/arm/cpu/armv7/s5pc2xx/clock.c
new file mode 100644
index 0000000..450a630
--- /dev/null
+++ b/arch/arm/cpu/armv7/s5pc2xx/clock.c
@@ -0,0 +1,220 @@ 
+/*
+ * Copyright (C) 2010 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.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/clock.h>
+#include <asm/arch/clk.h>
+
+#ifndef CONFIG_SYS_CLK_FREQ_C210
+#define CONFIG_SYS_CLK_FREQ_C210	24000000
+#endif
+
+/* s5pc210: return pll clock frequency */
+static unsigned long s5pc210_get_pll_clk(int pllreg)
+{
+	struct s5pc210_clock *clk =
+		(struct s5pc210_clock *)samsung_get_base_clock();
+	unsigned long r, m, p, s, k = 0, mask, fout;
+	unsigned int freq;
+
+	switch (pllreg) {
+	case APLL:
+		r = readl(&clk->apll_con0);
+		break;
+	case MPLL:
+		r = readl(&clk->mpll_con0);
+		break;
+	case EPLL:
+		r = readl(&clk->epll_con0);
+		k = readl(&clk->epll_con1);
+		break;
+	case VPLL:
+		r = readl(&clk->vpll_con0);
+		k = readl(&clk->vpll_con1);
+		break;
+	default:
+		printf("Unsupported PLL (%d)\n", pllreg);
+		return 0;
+	}
+
+	/*
+	 * APLL_CON: MIDV [25:16]
+	 * MPLL_CON: MIDV [25:16]
+	 * EPLL_CON: MIDV [24:16]
+	 * VPLL_CON: MIDV [24:16]
+	 */
+	if (pllreg == APLL || pllreg == MPLL)
+		mask = 0x3ff;
+	else
+		mask = 0x1ff;
+
+	m = (r >> 16) & mask;
+
+	/* PDIV [13:8] */
+	p = (r >> 8) & 0x3f;
+	/* SDIV [2:0] */
+	s = r & 0x7;
+
+	freq = CONFIG_SYS_CLK_FREQ_C210;
+
+	if (pllreg == EPLL) {
+		k = k & 0xffff;
+		/* FOUT = (MDIV + K / 65536) * FIN / (PDIV * 2^SDIV) */
+		fout = (m + k / 65536) * (freq / (p * (1 << s)));
+	} else if (pllreg == VPLL) {
+		k = k & 0xfff;
+		/* FOUT = (MDIV + K / 1024) * FIN / (PDIV * 2^SDIV) */
+		fout = (m + k / 1024) * (freq / (p * (1 << s)));
+	} else {
+		if (s < 1)
+			s = 1;
+		/* FOUT = MDIV * FIN / (PDIV * 2^(SDIV - 1)) */
+		fout = m * (freq / (p * (1 << (s - 1))));
+	}
+
+	return fout;
+}
+
+/* s5pc210: return ARM clock frequency */
+static unsigned long s5pc210_get_arm_clk(void)
+{
+	struct s5pc210_clock *clk =
+		(struct s5pc210_clock *)samsung_get_base_clock();
+	unsigned long div;
+	unsigned long dout_apll;
+	unsigned int apll_ratio;
+
+	div = readl(&clk->div_cpu0);
+
+	/* APLL_RATIO: [26:24] */
+	apll_ratio = (div >> 24) & 0x7;
+
+	dout_apll = get_pll_clk(APLL) / (apll_ratio + 1);
+
+	return dout_apll;
+}
+
+/* s5pc210: return pwm clock frequency */
+static unsigned long s5pc210_get_pwm_clk(void)
+{
+	struct s5pc210_clock *clk =
+		(struct s5pc210_clock *)samsung_get_base_clock();
+	unsigned long pclk, sclk;
+	unsigned int sel;
+	unsigned int ratio;
+
+	/*
+	 * CLK_SRC_PERIL0
+	 * PWM_SEL [27:24]
+	 */
+	sel = readl(&clk->src_peril0);
+	sel = (sel >> 24) & 0xf;
+
+	if (sel == 0x6)
+		sclk = get_pll_clk(MPLL);
+	else if (sel == 0x7)
+		sclk = get_pll_clk(EPLL);
+	else if (sel == 0x8)
+		sclk = get_pll_clk(VPLL);
+	else
+		return 0;
+
+	/*
+	 * CLK_DIV_PERIL3
+	 * PWM_RATIO [3:0]
+	 */
+	ratio = readl(&clk->div_peril3);
+	ratio = ratio & 0xf;
+
+	pclk = sclk / (ratio + 1);
+
+	return pclk;
+}
+
+/* s5pc210: return uart clock frequency */
+static unsigned long s5pc210_get_uart_clk(int dev_index)
+{
+	struct s5pc210_clock *clk =
+		(struct s5pc210_clock *)samsung_get_base_clock();
+	unsigned long uclk, sclk;
+	unsigned int sel;
+	unsigned int ratio;
+
+	/*
+	 * CLK_SRC_PERIL0
+	 * UART0_SEL [3:0]
+	 * UART1_SEL [7:4]
+	 * UART2_SEL [8:11]
+	 * UART3_SEL [12:15]
+	 * UART4_SEL [16:19]
+	 * UART5_SEL [23:20]
+	 */
+	sel = readl(&clk->src_peril0);
+	sel = (sel >> (dev_index << 2)) & 0xf;
+
+	if (sel == 0x6)
+		sclk = get_pll_clk(MPLL);
+	else if (sel == 0x7)
+		sclk = get_pll_clk(EPLL);
+	else if (sel == 0x8)
+		sclk = get_pll_clk(VPLL);
+	else
+		return 0;
+
+	/*
+	 * CLK_DIV_PERIL0
+	 * UART0_RATIO [3:0]
+	 * UART1_RATIO [7:4]
+	 * UART2_RATIO [8:11]
+	 * UART3_RATIO [12:15]
+	 * UART4_RATIO [16:19]
+	 * UART5_RATIO [23:20]
+	 */
+	ratio = readl(&clk->div_peril0);
+	ratio = (ratio >> (dev_index << 2)) & 0xf;
+
+	uclk = sclk / (ratio + 1);
+
+	return uclk;
+}
+
+unsigned long get_pll_clk(int pllreg)
+{
+	return s5pc210_get_pll_clk(pllreg);
+}
+
+unsigned long get_arm_clk(void)
+{
+	return s5pc210_get_arm_clk();
+}
+
+unsigned long get_pwm_clk(void)
+{
+	return s5pc210_get_pwm_clk();
+}
+
+unsigned long get_uart_clk(int dev_index)
+{
+	return s5pc210_get_uart_clk(dev_index);
+}
diff --git a/arch/arm/cpu/armv7/s5pc2xx/soc.c b/arch/arm/cpu/armv7/s5pc2xx/soc.c
new file mode 100644
index 0000000..dcfcec2
--- /dev/null
+++ b/arch/arm/cpu/armv7/s5pc2xx/soc.c
@@ -0,0 +1,30 @@ 
+/*
+ * Copyright (c) 2010 Samsung Electronics.
+ * Minkyu Kang <mk7.kang@samsung.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>
+
+void reset_cpu(ulong addr)
+{
+	writel(0x1, samsung_get_base_swreset());
+}
diff --git a/arch/arm/include/asm/arch-s5pc2xx/adc.h b/arch/arm/include/asm/arch-s5pc2xx/adc.h
new file mode 100644
index 0000000..c0aa580
--- /dev/null
+++ b/arch/arm/include/asm/arch-s5pc2xx/adc.h
@@ -0,0 +1,42 @@ 
+/*
+ *  Copyright (C) 2010 Samsung Electronics
+ *  Minkyu Kang <mk7.kang@samsung.com>
+ *  MyungJoo Ham <myungjoo.ham@samsung.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_ARM_ARCH_ADC_H_
+#define __ASM_ARM_ARCH_ADC_H_
+
+#ifndef __ASSEMBLY__
+struct s5p_adc {
+	unsigned int adccon;
+	unsigned int adctsc;
+	unsigned int adcdly;
+	unsigned int adcdat0;
+	unsigned int adcdat1;
+	unsigned int adcupdn;
+	unsigned int adcclrint;
+	unsigned int adcmux;
+	unsigned int adcclrintpndnup;
+};
+#endif
+
+#endif /* __ASM_ARM_ARCH_ADC_H_ */
diff --git a/arch/arm/include/asm/arch-s5pc2xx/clk.h b/arch/arm/include/asm/arch-s5pc2xx/clk.h
new file mode 100644
index 0000000..5a1cdf1
--- /dev/null
+++ b/arch/arm/include/asm/arch-s5pc2xx/clk.h
@@ -0,0 +1,36 @@ 
+/*
+ * (C) Copyright 2010 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.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
+ *
+ */
+
+#ifndef __ASM_ARM_ARCH_CLK_H_
+#define __ASM_ARM_ARCH_CLK_H_
+
+#define APLL	0
+#define MPLL	1
+#define EPLL	2
+#define HPLL	3
+#define VPLL	4
+
+unsigned long get_pll_clk(int pllreg);
+unsigned long get_arm_clk(void);
+unsigned long get_pwm_clk(void);
+unsigned long get_uart_clk(int dev_index);
+
+#endif
diff --git a/arch/arm/include/asm/arch-s5pc2xx/clock.h b/arch/arm/include/asm/arch-s5pc2xx/clock.h
new file mode 100644
index 0000000..0ff8cf8
--- /dev/null
+++ b/arch/arm/include/asm/arch-s5pc2xx/clock.h
@@ -0,0 +1,255 @@ 
+/*
+ * (C) Copyright 2010 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.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
+ *
+ */
+
+#ifndef __ASM_ARM_ARCH_CLOCK_H_
+#define __ASM_ARM_ARCH_CLOCK_H_
+
+#ifndef __ASSEMBLY__
+struct s5pc210_clock {
+	unsigned char	res1[0x4200];
+	unsigned int	src_leftbus;
+	unsigned char	res2[0x1fc];
+	unsigned int	mux_stat_leftbus;
+	unsigned char	res4[0xfc];
+	unsigned int	div_leftbus;
+	unsigned char	res5[0xfc];
+	unsigned int	div_stat_leftbus;
+	unsigned char	res6[0x1fc];
+	unsigned int	gate_ip_leftbus;
+	unsigned char	res7[0x1fc];
+	unsigned int	clkout_leftbus;
+	unsigned int	clkout_leftbus_div_stat;
+	unsigned char	res8[0x37f8];
+	unsigned int	src_rightbus;
+	unsigned char	res9[0x1fc];
+	unsigned int	mux_stat_rightbus;
+	unsigned char	res10[0xfc];
+	unsigned int	div_rightbus;
+	unsigned char	res11[0xfc];
+	unsigned int	div_stat_rightbus;
+	unsigned char	res12[0x1fc];
+	unsigned int	gate_ip_rightbus;
+	unsigned char	res13[0x1fc];
+	unsigned int	clkout_rightbus;
+	unsigned int	clkout_rightbus_div_stat;
+	unsigned char	res14[0x3608];
+	unsigned int	epll_lock;
+	unsigned char	res15[0xc];
+	unsigned int	vpll_lock;
+	unsigned char	res16[0xec];
+	unsigned int	epll_con0;
+	unsigned int	epll_con1;
+	unsigned char	res17[0x8];
+	unsigned int	vpll_con0;
+	unsigned int	vpll_con1;
+	unsigned char	res18[0xe8];
+	unsigned int	src_top0;
+	unsigned int	src_top1;
+	unsigned char	res19[0x8];
+	unsigned int	src_cam;
+	unsigned int	src_tv;
+	unsigned int	src_mfc;
+	unsigned int	src_g3d;
+	unsigned int	src_image;
+	unsigned int	src_lcd0;
+	unsigned int	src_lcd1;
+	unsigned int	src_maudio;
+	unsigned int	src_fsys;
+	unsigned char	res20[0xc];
+	unsigned int	src_peril0;
+	unsigned int	src_peril1;
+	unsigned char	res21[0xb8];
+	unsigned int	src_mask_top;
+	unsigned char	res22[0xc];
+	unsigned int	src_mask_cam;
+	unsigned int	src_mask_tv;
+	unsigned char	res23[0xc];
+	unsigned int	src_mask_lcd0;
+	unsigned int	src_mask_lcd1;
+	unsigned int	src_mask_maudio;
+	unsigned int	src_mask_fsys;
+	unsigned char	res24[0xc];
+	unsigned int	src_mask_peril0;
+	unsigned int	src_mask_peril1;
+	unsigned char	res25[0xb8];
+	unsigned int	mux_stat_top;
+	unsigned char	res26[0x14];
+	unsigned int	mux_stat_mfc;
+	unsigned int	mux_stat_g3d;
+	unsigned int	mux_stat_image;
+	unsigned char	res27[0xdc];
+	unsigned int	div_top;
+	unsigned char	res28[0xc];
+	unsigned int	div_cam;
+	unsigned int	div_tv;
+	unsigned int	div_mfc;
+	unsigned int	div_g3d;
+	unsigned int	div_image;
+	unsigned int	div_lcd0;
+	unsigned int	div_lcd1;
+	unsigned int	div_maudio;
+	unsigned int	div_fsys0;
+	unsigned int	div_fsys1;
+	unsigned int	div_fsys2;
+	unsigned int	div_fsys3;
+	unsigned int	div_peril0;
+	unsigned int	div_peril1;
+	unsigned int	div_peril2;
+	unsigned int	div_peril3;
+	unsigned int	div_peril4;
+	unsigned int	div_peril5;
+	unsigned char	res29[0x18];
+	unsigned int	div2_ratio;
+	unsigned char	res30[0x8c];
+	unsigned int	div_stat_top;
+	unsigned char	res31[0xc];
+	unsigned int	div_stat_cam;
+	unsigned int	div_stat_tv;
+	unsigned int	div_stat_mfc;
+	unsigned int	div_stat_g3d;
+	unsigned int	div_stat_image;
+	unsigned int	div_stat_lcd0;
+	unsigned int	div_stat_lcd1;
+	unsigned int	div_stat_maudio;
+	unsigned int	div_stat_fsys0;
+	unsigned int	div_stat_fsys1;
+	unsigned int	div_stat_fsys2;
+	unsigned int	div_stat_fsys3;
+	unsigned int	div_stat_peril0;
+	unsigned int	div_stat_peril1;
+	unsigned int	div_stat_peril2;
+	unsigned int	div_stat_peril3;
+	unsigned int	div_stat_peril4;
+	unsigned int	div_stat_peril5;
+	unsigned char	res32[0x18];
+	unsigned int	div2_stat;
+	unsigned char	res33[0x29c];
+	unsigned int	gate_ip_cam;
+	unsigned int	gate_ip_tv;
+	unsigned int	gate_ip_mfc;
+	unsigned int	gate_ip_g3d;
+	unsigned int	gate_ip_image;
+	unsigned int	gate_ip_lcd0;
+	unsigned int	gate_ip_lcd1;
+	unsigned char	res34[0x4];
+	unsigned int	gate_ip_fsys;
+	unsigned char	res35[0x8];
+	unsigned int	gate_ip_gps;
+	unsigned int	gate_ip_peril;
+	unsigned char	res36[0xc];
+	unsigned int	gate_ip_perir;
+	unsigned char	res37[0xc];
+	unsigned int	gate_block;
+	unsigned char	res38[0x8c];
+	unsigned int	clkout_cmu_top;
+	unsigned int	clkout_cmu_top_div_stat;
+	unsigned char	res39[0x37f8];
+	unsigned int	src_dmc;
+	unsigned char	res40[0xfc];
+	unsigned int	src_mask_dmc;
+	unsigned char	res41[0xfc];
+	unsigned int	mux_stat_dmc;
+	unsigned char	res42[0xfc];
+	unsigned int	div_dmc0;
+	unsigned int	div_dmc1;
+	unsigned char	res43[0xf8];
+	unsigned int	div_stat_dmc0;
+	unsigned int	div_stat_dmc1;
+	unsigned char	res44[0x2f8];
+	unsigned int	gate_ip_dmc;
+	unsigned char	res45[0xfc];
+	unsigned int	clkout_cmu_dmc;
+	unsigned int	clkout_cmu_dmc_div_stat;
+	unsigned char	res46[0x5f8];
+	unsigned int	dcgidx_map0;
+	unsigned int	dcgidx_map1;
+	unsigned int	dcgidx_map2;
+	unsigned char	res47[0x14];
+	unsigned int	dcgperf_map0;
+	unsigned int	dcgperf_map1;
+	unsigned char	res48[0x18];
+	unsigned int	dvcidx_map;
+	unsigned char	res49[0x1c];
+	unsigned int	freq_cpu;
+	unsigned int	freq_dpm;
+	unsigned char	res50[0x18];
+	unsigned int	dvsemclk_en;
+	unsigned int	maxperf;
+	unsigned char	res51[0x2f78];
+	unsigned int	apll_lock;
+	unsigned char	res52[0x4];
+	unsigned int	mpll_lock;
+	unsigned char	res53[0xf4];
+	unsigned int	apll_con0;
+	unsigned int	apll_con1;
+	unsigned int	mpll_con0;
+	unsigned int	mpll_con1;
+	unsigned char	res54[0xf0];
+	unsigned int	src_cpu;
+	unsigned char	res55[0x1fc];
+	unsigned int	mux_stat_cpu;
+	unsigned char	res56[0xfc];
+	unsigned int	div_cpu0;
+	unsigned int	div_cpu1;
+	unsigned char	res57[0xf8];
+	unsigned int	div_stat_cpu0;
+	unsigned int	div_stat_cpu1;
+	unsigned char	res58[0x3f8];
+	unsigned int	clkout_cmu_cpu;
+	unsigned int	clkout_cmu_cpu_div_stat;
+	unsigned char	res59[0x5f8];
+	unsigned int	armclk_stopctrl;
+	unsigned int	atclk_stopctrl;
+	unsigned char	res60[0x8];
+	unsigned int	parityfail_status;
+	unsigned int	parityfail_clear;
+	unsigned char	res61[0xe8];
+	unsigned int	apll_con0_l8;
+	unsigned int	apll_con0_l7;
+	unsigned int	apll_con0_l6;
+	unsigned int	apll_con0_l5;
+	unsigned int	apll_con0_l4;
+	unsigned int	apll_con0_l3;
+	unsigned int	apll_con0_l2;
+	unsigned int	apll_con0_l1;
+	unsigned int	iem_control;
+	unsigned char	res62[0xdc];
+	unsigned int	apll_con1_l8;
+	unsigned int	apll_con1_l7;
+	unsigned int	apll_con1_l6;
+	unsigned int	apll_con1_l5;
+	unsigned int	apll_con1_l4;
+	unsigned int	apll_con1_l3;
+	unsigned int	apll_con1_l2;
+	unsigned int	apll_con1_l1;
+	unsigned char	res63[0xe0];
+	unsigned int	div_iem_l8;
+	unsigned int	div_iem_l7;
+	unsigned int	div_iem_l6;
+	unsigned int	div_iem_l5;
+	unsigned int	div_iem_l4;
+	unsigned int	div_iem_l3;
+	unsigned int	div_iem_l2;
+	unsigned int	div_iem_l1;
+};
+#endif
+
+#endif
diff --git a/arch/arm/include/asm/arch-s5pc2xx/cpu.h b/arch/arm/include/asm/arch-s5pc2xx/cpu.h
new file mode 100644
index 0000000..a5db68c
--- /dev/null
+++ b/arch/arm/include/asm/arch-s5pc2xx/cpu.h
@@ -0,0 +1,96 @@ 
+/*
+ * (C) Copyright 2010 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.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
+ *
+ */
+
+#ifndef _S5PC2XX_CPU_H
+#define _S5PC2XX_CPU_H
+
+#define S5PC2XX_ADDR_BASE	0x10000000
+
+/* S5PC210 */
+#define S5PC210_GPIO_PART3_BASE	0x03860000
+#define S5PC210_PRO_ID		0x10000000
+#define S5PC210_POWER_BASE	0x10020000
+#define S5PC210_SWRESET		0x10020400
+#define S5PC210_CLOCK_BASE	0x10030000
+#define S5PC210_SYSTIMER_BASE	0x10050000
+#define S5PC210_WATCHDOG_BASE	0x10060000
+#define S5PC210_MIU_BASE	0x10600000
+#define S5PC210_DMC0_BASE	0x10400000
+#define S5PC210_DMC1_BASE	0x10410000
+#define S5PC210_GPIO_PART2_BASE	0x11000000
+#define S5PC210_GPIO_PART1_BASE	0x11400000
+#define S5PC210_FIMD_BASE	0x11C00000
+#define S5PC210_USBOTG_BASE	0x12480000
+#define S5PC210_MMC_BASE	0x12510000
+#define S5PC210_SROMC_BASE	0x12570000
+#define S5PC210_USBPHY_BASE	0x125B0000
+#define S5PC210_UART_BASE	0x13800000
+#define S5PC210_ADC_BASE	0x13910000
+#define S5PC210_PWMTIMER_BASE	0x139D0000
+#define S5PC210_MODEM_BASE	0x13A00000
+
+#ifndef __ASSEMBLY__
+#include <asm/io.h>
+/* CPU detection macros */
+extern unsigned int s5p_cpu_id;
+
+static inline void s5p_set_cpu_id(void)
+{
+	s5p_cpu_id = readl(S5PC210_PRO_ID);
+	s5p_cpu_id = (0xC000 | ((s5p_cpu_id & 0x00FFF000) >> 12)) + 0x10;
+}
+
+#define IS_SAMSUNG_TYPE(type, id)			\
+static inline int cpu_is_##type(void)			\
+{							\
+	return s5p_cpu_id == id ? 1 : 0;		\
+}
+
+IS_SAMSUNG_TYPE(s5pc210, 0xc210)
+
+#define SAMSUNG_BASE(device, base)				\
+static inline unsigned int samsung_get_base_##device(void)	\
+{								\
+	if (cpu_is_s5pc210())					\
+		return S5PC210_##base;				\
+	else							\
+		return 0;					\
+}
+
+SAMSUNG_BASE(adc, ADC_BASE)
+SAMSUNG_BASE(clock, CLOCK_BASE)
+SAMSUNG_BASE(fimd, FIMD_BASE)
+SAMSUNG_BASE(gpio_part1, GPIO_PART1_BASE)
+SAMSUNG_BASE(gpio_part2, GPIO_PART2_BASE)
+SAMSUNG_BASE(gpio_part3, GPIO_PART3_BASE)
+SAMSUNG_BASE(pro_id, PRO_ID)
+SAMSUNG_BASE(mmc, MMC_BASE)
+SAMSUNG_BASE(modem, MODEM_BASE)
+SAMSUNG_BASE(sromc, SROMC_BASE)
+SAMSUNG_BASE(swreset, SWRESET)
+SAMSUNG_BASE(timer, PWMTIMER_BASE)
+SAMSUNG_BASE(uart, UART_BASE)
+SAMSUNG_BASE(usb_phy, USBPHY_BASE)
+SAMSUNG_BASE(usb_otg, USBOTG_BASE)
+SAMSUNG_BASE(watchdog, WATCHDOG_BASE)
+#endif
+
+#endif	/* _S5PC2XX_CPU_H */
diff --git a/arch/arm/include/asm/arch-s5pc2xx/gpio.h b/arch/arm/include/asm/arch-s5pc2xx/gpio.h
new file mode 100644
index 0000000..05e5b3e
--- /dev/null
+++ b/arch/arm/include/asm/arch-s5pc2xx/gpio.h
@@ -0,0 +1,112 @@ 
+/*
+ * (C) Copyright 2010 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.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
+ */
+
+#ifndef __ASM_ARCH_GPIO_H
+#define __ASM_ARCH_GPIO_H
+
+#ifndef __ASSEMBLY__
+struct s5p_gpio_bank {
+	unsigned int	con;
+	unsigned int	dat;
+	unsigned int	pull;
+	unsigned int	drv;
+	unsigned int	pdn_con;
+	unsigned int	pdn_pull;
+	unsigned char	res1[8];
+};
+
+struct s5pc210_gpio_part1 {
+	struct s5p_gpio_bank a0;
+	struct s5p_gpio_bank a1;
+	struct s5p_gpio_bank b;
+	struct s5p_gpio_bank c0;
+	struct s5p_gpio_bank c1;
+	struct s5p_gpio_bank d0;
+	struct s5p_gpio_bank d1;
+	struct s5p_gpio_bank e0;
+	struct s5p_gpio_bank e1;
+	struct s5p_gpio_bank e2;
+	struct s5p_gpio_bank e3;
+	struct s5p_gpio_bank e4;
+	struct s5p_gpio_bank f0;
+	struct s5p_gpio_bank f1;
+	struct s5p_gpio_bank f2;
+	struct s5p_gpio_bank f3;
+};
+
+struct s5pc210_gpio_part2 {
+	struct s5p_gpio_bank j0;
+	struct s5p_gpio_bank j1;
+	struct s5p_gpio_bank k0;
+	struct s5p_gpio_bank k1;
+	struct s5p_gpio_bank k2;
+	struct s5p_gpio_bank k3;
+	struct s5p_gpio_bank l0;
+	struct s5p_gpio_bank l1;
+	struct s5p_gpio_bank l2;
+	struct s5p_gpio_bank y0;
+	struct s5p_gpio_bank y1;
+	struct s5p_gpio_bank y2;
+	struct s5p_gpio_bank y3;
+	struct s5p_gpio_bank y4;
+	struct s5p_gpio_bank y5;
+	struct s5p_gpio_bank y6;
+	struct s5p_gpio_bank res1[80];
+	struct s5p_gpio_bank x0;
+	struct s5p_gpio_bank x1;
+	struct s5p_gpio_bank x2;
+	struct s5p_gpio_bank x3;
+};
+
+struct s5pc210_gpio_part3 {
+	struct s5p_gpio_bank z;
+};
+
+/* functions */
+void gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg);
+void gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en);
+void gpio_direction_input(struct s5p_gpio_bank *bank, int gpio);
+void gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en);
+unsigned int gpio_get_value(struct s5p_gpio_bank *bank, int gpio);
+void gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode);
+void gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode);
+void gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);
+#endif
+
+/* Pin configurations */
+#define GPIO_INPUT	0x0
+#define GPIO_OUTPUT	0x1
+#define GPIO_IRQ	0xf
+#define GPIO_FUNC(x)	(x)
+
+/* Pull mode */
+#define GPIO_PULL_NONE	0x0
+#define GPIO_PULL_DOWN	0x1
+#define GPIO_PULL_UP	0x2
+
+/* Drive Strength level */
+#define GPIO_DRV_1X	0x0
+#define GPIO_DRV_2X	0x1
+#define GPIO_DRV_3X	0x2
+#define GPIO_DRV_4X	0x3
+#define GPIO_DRV_FAST	0x0
+#define GPIO_DRV_SLOW	0x1
+
+#endif
diff --git a/arch/arm/include/asm/arch-s5pc2xx/mmc.h b/arch/arm/include/asm/arch-s5pc2xx/mmc.h
new file mode 100644
index 0000000..528150d
--- /dev/null
+++ b/arch/arm/include/asm/arch-s5pc2xx/mmc.h
@@ -0,0 +1,71 @@ 
+/*
+ * (C) Copyright 2009 SAMSUNG Electronics
+ * Minkyu Kang <mk7.kang@samsung.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
+ *
+ */
+
+#ifndef __ASM_ARCH_MMC_H_
+#define __ASM_ARCH_MMC_H_
+
+#ifndef __ASSEMBLY__
+struct s5p_mmc {
+	unsigned int	sysad;
+	unsigned short	blksize;
+	unsigned short	blkcnt;
+	unsigned int	argument;
+	unsigned short	trnmod;
+	unsigned short	cmdreg;
+	unsigned int	rspreg0;
+	unsigned int	rspreg1;
+	unsigned int	rspreg2;
+	unsigned int	rspreg3;
+	unsigned int	bdata;
+	unsigned int	prnsts;
+	unsigned char	hostctl;
+	unsigned char	pwrcon;
+	unsigned char	blkgap;
+	unsigned char	wakcon;
+	unsigned short	clkcon;
+	unsigned char	timeoutcon;
+	unsigned char	swrst;
+	unsigned int	norintsts;	/* errintsts */
+	unsigned int	norintstsen;	/* errintstsen */
+	unsigned int	norintsigen;	/* errintsigen */
+	unsigned short	acmd12errsts;
+	unsigned char	res1[2];
+	unsigned int	capareg;
+	unsigned char	res2[4];
+	unsigned int	maxcurr;
+	unsigned char	res3[0x34];
+	unsigned int	control2;
+	unsigned int	control3;
+	unsigned int	control4;
+	unsigned char	res4[0x6e];
+	unsigned short	hcver;
+	unsigned char	res5[0xFF02];
+};
+
+struct mmc_host {
+	struct s5p_mmc *reg;
+	unsigned int version;	/* SDHCI spec. version */
+	unsigned int clock;	/* Current clock (MHz) */
+};
+
+int s5p_mmc_init(int dev_index, int bus_width);
+
+#endif	/* __ASSEMBLY__ */
+#endif
diff --git a/arch/arm/include/asm/arch-s5pc2xx/pwm.h b/arch/arm/include/asm/arch-s5pc2xx/pwm.h
new file mode 100644
index 0000000..0369968
--- /dev/null
+++ b/arch/arm/include/asm/arch-s5pc2xx/pwm.h
@@ -0,0 +1,55 @@ 
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Kyungmin Park <kyungmin.park@samsung.com>
+ * Minkyu Kang <mk7.kang@samsung.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
+ */
+
+#ifndef __ASM_ARM_ARCH_PWM_H_
+#define __ASM_ARM_ARCH_PWM_H_
+
+/* Interval mode(Auto Reload) of PWM Timer 4 */
+#define TCON4_AUTO_RELOAD	(1 << 22)
+/* Update TCNTB4 */
+#define TCON4_UPDATE		(1 << 21)
+/* start bit of PWM Timer 4 */
+#define TCON4_START		(1 << 20)
+
+#ifndef __ASSEMBLY__
+struct s5p_timer {
+	unsigned int	tcfg0;
+	unsigned int	tcfg1;
+	unsigned int	tcon;
+	unsigned int	tcntb0;
+	unsigned int	tcmpb0;
+	unsigned int	tcnto0;
+	unsigned int	tcntb1;
+	unsigned int	tcmpb1;
+	unsigned int	tcnto1;
+	unsigned int	tcntb2;
+	unsigned int	tcmpb2;
+	unsigned int	tcnto2;
+	unsigned int	tcntb3;
+	unsigned int	res1;
+	unsigned int	tcnto3;
+	unsigned int	tcntb4;
+	unsigned int	tcnto4;
+	unsigned int	tintcstat;
+};
+#endif	/* __ASSEMBLY__ */
+
+#endif
diff --git a/arch/arm/include/asm/arch-s5pc2xx/sys_proto.h b/arch/arm/include/asm/arch-s5pc2xx/sys_proto.h
new file mode 100644
index 0000000..11f1636
--- /dev/null
+++ b/arch/arm/include/asm/arch-s5pc2xx/sys_proto.h
@@ -0,0 +1,32 @@ 
+/*
+ * Copyright (C) 2010 Samsung Electrnoics
+ * Minkyu Kang <mk7.kang@samsung.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 _SYS_PROTO_H_
+#define _SYS_PROTO_H_
+
+u32 get_device_type(void);
+void invalidate_dcache(u32);
+void l2_cache_disable(void);
+void l2_cache_enable(void);
+
+#endif
diff --git a/arch/arm/include/asm/arch-s5pc2xx/uart.h b/arch/arm/include/asm/arch-s5pc2xx/uart.h
new file mode 100644
index 0000000..69011fc
--- /dev/null
+++ b/arch/arm/include/asm/arch-s5pc2xx/uart.h
@@ -0,0 +1,55 @@ 
+/*
+ * (C) Copyright 2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ * Heungjun Kim <riverful.kim@samsung.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
+ *
+ */
+
+#ifndef __ASM_ARCH_UART_H_
+#define __ASM_ARCH_UART_H_
+
+#ifndef __ASSEMBLY__
+/* baudrate rest value */
+union br_rest {
+	unsigned short	slot;		/* udivslot */
+	unsigned char	value;		/* ufracval */
+};
+
+struct s5p_uart {
+	unsigned int	ulcon;
+	unsigned int	ucon;
+	unsigned int	ufcon;
+	unsigned int	umcon;
+	unsigned int	utrstat;
+	unsigned int	uerstat;
+	unsigned int	ufstat;
+	unsigned int	umstat;
+	unsigned char	utxh;
+	unsigned char	res1[3];
+	unsigned char	urxh;
+	unsigned char	res2[3];
+	unsigned int	ubrdiv;
+	union br_rest	rest;
+	unsigned char	res3[0xffd0];
+};
+
+static int use_divslot = 0;
+
+#endif	/* __ASSEMBLY__ */
+
+#endif