Move architecture-specific includes to arch/$ARCH/include/asm

This helps to clean up the include/ directory so that it only contains
non-architecture-specific headers and also matches Linux's directory
layout which many U-Boot developers are already familiar with.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>

6 files changed, 1136 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-davinci/emac_defs.h b/arch/arm/include/asm/arch-davinci/emac_defs.h
new file mode 100644
index 0000000000..b0ec8f5090
--- /dev/null
+++ b/arch/arm/include/asm/arch-davinci/emac_defs.h
@@ -0,0 +1,393 @@
+/*
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Based on:
+ *
+ * ----------------------------------------------------------------------------
+ *
+ * dm644x_emac.h
+ *
+ * TI DaVinci (DM644X) EMAC peripheral driver header for DV-EVM
+ *
+ * Copyright (C) 2005 Texas Instruments.
+ *
+ * ----------------------------------------------------------------------------
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * ----------------------------------------------------------------------------
+
+ * Modifications:
+ * ver. 1.0: Sep 2005, TI PSP Team - Created EMAC version for uBoot.
+ *
+ */
+
+#ifndef _DM644X_EMAC_H_
+#define _DM644X_EMAC_H_
+
+#include <asm/arch/hardware.h>
+
+#ifdef CONFIG_SOC_DM365
+#define EMAC_BASE_ADDR			(0x01d07000)
+#define EMAC_WRAPPER_BASE_ADDR		(0x01d0a000)
+#define EMAC_WRAPPER_RAM_ADDR		(0x01d08000)
+#define EMAC_MDIO_BASE_ADDR		(0x01d0b000)
+#define DAVINCI_EMAC_VERSION2
+#elif defined(CONFIG_SOC_DA8XX)
+#define EMAC_BASE_ADDR			DAVINCI_EMAC_CNTRL_REGS_BASE
+#define EMAC_WRAPPER_BASE_ADDR		DAVINCI_EMAC_WRAPPER_CNTRL_REGS_BASE
+#define EMAC_WRAPPER_RAM_ADDR		DAVINCI_EMAC_WRAPPER_RAM_BASE
+#define EMAC_MDIO_BASE_ADDR		DAVINCI_MDIO_CNTRL_REGS_BASE
+#define DAVINCI_EMAC_VERSION2
+#else
+#define EMAC_BASE_ADDR			(0x01c80000)
+#define EMAC_WRAPPER_BASE_ADDR		(0x01c81000)
+#define EMAC_WRAPPER_RAM_ADDR		(0x01c82000)
+#define EMAC_MDIO_BASE_ADDR		(0x01c84000)
+#endif
+
+#ifdef CONFIG_SOC_DM646X
+#define DAVINCI_EMAC_VERSION2
+#define DAVINCI_EMAC_GIG_ENABLE
+#endif
+
+#ifdef CONFIG_SOC_DM646X
+/* MDIO module input frequency */
+#define EMAC_MDIO_BUS_FREQ		76500000
+/* MDIO clock output frequency */
+#define EMAC_MDIO_CLOCK_FREQ		2500000		/* 2.5 MHz */
+#elif defined(CONFIG_SOC_DM365)
+/* MDIO module input frequency */
+#define EMAC_MDIO_BUS_FREQ		121500000
+/* MDIO clock output frequency */
+#define EMAC_MDIO_CLOCK_FREQ		2200000		/* 2.2 MHz */
+#elif defined(CONFIG_SOC_DA8XX)
+/* MDIO module input frequency */
+#define EMAC_MDIO_BUS_FREQ		clk_get(DAVINCI_MDIO_CLKID)
+/* MDIO clock output frequency */
+#define EMAC_MDIO_CLOCK_FREQ		2000000		/* 2.0 MHz */
+#else
+/* MDIO module input frequency */
+#define EMAC_MDIO_BUS_FREQ		99000000	/* PLL/6 - 99 MHz */
+/* MDIO clock output frequency */
+#define EMAC_MDIO_CLOCK_FREQ		2000000		/* 2.0 MHz */
+#endif
+
+/* PHY mask - set only those phy number bits where phy is/can be connected */
+#define EMAC_MDIO_PHY_NUM           1
+#define EMAC_MDIO_PHY_MASK          (1 << EMAC_MDIO_PHY_NUM)
+
+/* Ethernet Min/Max packet size */
+#define EMAC_MIN_ETHERNET_PKT_SIZE	60
+#define EMAC_MAX_ETHERNET_PKT_SIZE	1518
+#define EMAC_PKT_ALIGN			18	/* 1518 + 18 = 1536 (packet aligned on 32 byte boundry) */
+
+/* Number of RX packet buffers
+ * NOTE: Only 1 buffer supported as of now
+ */
+#define EMAC_MAX_RX_BUFFERS		10
+
+
+/***********************************************
+ ******** Internally used macros ***************
+ ***********************************************/
+
+#define EMAC_CH_TX			1
+#define EMAC_CH_RX			0
+
+/* Each descriptor occupies 4 words, lets start RX desc's at 0 and
+ * reserve space for 64 descriptors max
+ */
+#define EMAC_RX_DESC_BASE		0x0
+#define EMAC_TX_DESC_BASE		0x1000
+
+/* EMAC Teardown value */
+#define EMAC_TEARDOWN_VALUE		0xfffffffc
+
+/* MII Status Register */
+#define MII_STATUS_REG			1
+
+/* Number of statistics registers */
+#define EMAC_NUM_STATS			36
+
+
+/* EMAC Descriptor */
+typedef volatile struct _emac_desc
+{
+	u_int32_t	next;		/* Pointer to next descriptor in chain */
+	u_int8_t	*buffer;	/* Pointer to data buffer */
+	u_int32_t	buff_off_len;	/* Buffer Offset(MSW) and Length(LSW) */
+	u_int32_t	pkt_flag_len;	/* Packet Flags(MSW) and Length(LSW) */
+} emac_desc;
+
+/* CPPI bit positions */
+#define EMAC_CPPI_SOP_BIT		(0x80000000)
+#define EMAC_CPPI_EOP_BIT		(0x40000000)
+#define EMAC_CPPI_OWNERSHIP_BIT		(0x20000000)
+#define EMAC_CPPI_EOQ_BIT		(0x10000000)
+#define EMAC_CPPI_TEARDOWN_COMPLETE_BIT	(0x08000000)
+#define EMAC_CPPI_PASS_CRC_BIT		(0x04000000)
+
+#define EMAC_CPPI_RX_ERROR_FRAME	(0x03fc0000)
+
+#define EMAC_MACCONTROL_MIIEN_ENABLE		(0x20)
+#define EMAC_MACCONTROL_FULLDUPLEX_ENABLE	(0x1)
+#define EMAC_MACCONTROL_GIGABIT_ENABLE		(1 << 7)
+#define EMAC_MACCONTROL_GIGFORCE		(1 << 17)
+#define EMAC_MACCONTROL_RMIISPEED_100		(1 << 15)
+
+#define EMAC_MAC_ADDR_MATCH		(1 << 19)
+#define EMAC_MAC_ADDR_IS_VALID		(1 << 20)
+
+#define EMAC_RXMBPENABLE_RXCAFEN_ENABLE	(0x200000)
+#define EMAC_RXMBPENABLE_RXBROADEN	(0x2000)
+
+
+#define MDIO_CONTROL_IDLE		(0x80000000)
+#define MDIO_CONTROL_ENABLE		(0x40000000)
+#define MDIO_CONTROL_FAULT_ENABLE	(0x40000)
+#define MDIO_CONTROL_FAULT		(0x80000)
+#define MDIO_USERACCESS0_GO		(0x80000000)
+#define MDIO_USERACCESS0_WRITE_READ	(0x0)
+#define MDIO_USERACCESS0_WRITE_WRITE	(0x40000000)
+#define MDIO_USERACCESS0_ACK		(0x20000000)
+
+/* Ethernet MAC Registers Structure */
+typedef struct  {
+	dv_reg		TXIDVER;
+	dv_reg		TXCONTROL;
+	dv_reg		TXTEARDOWN;
+	u_int8_t	RSVD0[4];
+	dv_reg		RXIDVER;
+	dv_reg		RXCONTROL;
+	dv_reg		RXTEARDOWN;
+	u_int8_t	RSVD1[100];
+	dv_reg		TXINTSTATRAW;
+	dv_reg		TXINTSTATMASKED;
+	dv_reg		TXINTMASKSET;
+	dv_reg		TXINTMASKCLEAR;
+	dv_reg		MACINVECTOR;
+	u_int8_t	RSVD2[12];
+	dv_reg		RXINTSTATRAW;
+	dv_reg		RXINTSTATMASKED;
+	dv_reg		RXINTMASKSET;
+	dv_reg		RXINTMASKCLEAR;
+	dv_reg		MACINTSTATRAW;
+	dv_reg		MACINTSTATMASKED;
+	dv_reg		MACINTMASKSET;
+	dv_reg		MACINTMASKCLEAR;
+	u_int8_t	RSVD3[64];
+	dv_reg		RXMBPENABLE;
+	dv_reg		RXUNICASTSET;
+	dv_reg		RXUNICASTCLEAR;
+	dv_reg		RXMAXLEN;
+	dv_reg		RXBUFFEROFFSET;
+	dv_reg		RXFILTERLOWTHRESH;
+	u_int8_t	RSVD4[8];
+	dv_reg		RX0FLOWTHRESH;
+	dv_reg		RX1FLOWTHRESH;
+	dv_reg		RX2FLOWTHRESH;
+	dv_reg		RX3FLOWTHRESH;
+	dv_reg		RX4FLOWTHRESH;
+	dv_reg		RX5FLOWTHRESH;
+	dv_reg		RX6FLOWTHRESH;
+	dv_reg		RX7FLOWTHRESH;
+	dv_reg		RX0FREEBUFFER;
+	dv_reg		RX1FREEBUFFER;
+	dv_reg		RX2FREEBUFFER;
+	dv_reg		RX3FREEBUFFER;
+	dv_reg		RX4FREEBUFFER;
+	dv_reg		RX5FREEBUFFER;
+	dv_reg		RX6FREEBUFFER;
+	dv_reg		RX7FREEBUFFER;
+	dv_reg		MACCONTROL;
+	dv_reg		MACSTATUS;
+	dv_reg		EMCONTROL;
+	dv_reg		FIFOCONTROL;
+	dv_reg		MACCONFIG;
+	dv_reg		SOFTRESET;
+	u_int8_t	RSVD5[88];
+	dv_reg		MACSRCADDRLO;
+	dv_reg		MACSRCADDRHI;
+	dv_reg		MACHASH1;
+	dv_reg		MACHASH2;
+	dv_reg		BOFFTEST;
+	dv_reg		TPACETEST;
+	dv_reg		RXPAUSE;
+	dv_reg		TXPAUSE;
+	u_int8_t	RSVD6[16];
+	dv_reg		RXGOODFRAMES;
+	dv_reg		RXBCASTFRAMES;
+	dv_reg		RXMCASTFRAMES;
+	dv_reg		RXPAUSEFRAMES;
+	dv_reg		RXCRCERRORS;
+	dv_reg		RXALIGNCODEERRORS;
+	dv_reg		RXOVERSIZED;
+	dv_reg		RXJABBER;
+	dv_reg		RXUNDERSIZED;
+	dv_reg		RXFRAGMENTS;
+	dv_reg		RXFILTERED;
+	dv_reg		RXQOSFILTERED;
+	dv_reg		RXOCTETS;
+	dv_reg		TXGOODFRAMES;
+	dv_reg		TXBCASTFRAMES;
+	dv_reg		TXMCASTFRAMES;
+	dv_reg		TXPAUSEFRAMES;
+	dv_reg		TXDEFERRED;
+	dv_reg		TXCOLLISION;
+	dv_reg		TXSINGLECOLL;
+	dv_reg		TXMULTICOLL;
+	dv_reg		TXEXCESSIVECOLL;
+	dv_reg		TXLATECOLL;
+	dv_reg		TXUNDERRUN;
+	dv_reg		TXCARRIERSENSE;
+	dv_reg		TXOCTETS;
+	dv_reg		FRAME64;
+	dv_reg		FRAME65T127;
+	dv_reg		FRAME128T255;
+	dv_reg		FRAME256T511;
+	dv_reg		FRAME512T1023;
+	dv_reg		FRAME1024TUP;
+	dv_reg		NETOCTETS;
+	dv_reg		RXSOFOVERRUNS;
+	dv_reg		RXMOFOVERRUNS;
+	dv_reg		RXDMAOVERRUNS;
+	u_int8_t	RSVD7[624];
+	dv_reg		MACADDRLO;
+	dv_reg		MACADDRHI;
+	dv_reg		MACINDEX;
+	u_int8_t	RSVD8[244];
+	dv_reg		TX0HDP;
+	dv_reg		TX1HDP;
+	dv_reg		TX2HDP;
+	dv_reg		TX3HDP;
+	dv_reg		TX4HDP;
+	dv_reg		TX5HDP;
+	dv_reg		TX6HDP;
+	dv_reg		TX7HDP;
+	dv_reg		RX0HDP;
+	dv_reg		RX1HDP;
+	dv_reg		RX2HDP;
+	dv_reg		RX3HDP;
+	dv_reg		RX4HDP;
+	dv_reg		RX5HDP;
+	dv_reg		RX6HDP;
+	dv_reg		RX7HDP;
+	dv_reg		TX0CP;
+	dv_reg		TX1CP;
+	dv_reg		TX2CP;
+	dv_reg		TX3CP;
+	dv_reg		TX4CP;
+	dv_reg		TX5CP;
+	dv_reg		TX6CP;
+	dv_reg		TX7CP;
+	dv_reg		RX0CP;
+	dv_reg		RX1CP;
+	dv_reg		RX2CP;
+	dv_reg		RX3CP;
+	dv_reg		RX4CP;
+	dv_reg		RX5CP;
+	dv_reg		RX6CP;
+	dv_reg		RX7CP;
+} emac_regs;
+
+/* EMAC Wrapper Registers Structure */
+typedef struct  {
+#ifdef DAVINCI_EMAC_VERSION2
+	dv_reg		idver;
+	dv_reg		softrst;
+	dv_reg		emctrl;
+	dv_reg		c0rxthreshen;
+	dv_reg		c0rxen;
+	dv_reg		c0txen;
+	dv_reg		c0miscen;
+	dv_reg		c1rxthreshen;
+	dv_reg		c1rxen;
+	dv_reg		c1txen;
+	dv_reg		c1miscen;
+	dv_reg		c2rxthreshen;
+	dv_reg		c2rxen;
+	dv_reg		c2txen;
+	dv_reg		c2miscen;
+	dv_reg		c0rxthreshstat;
+	dv_reg		c0rxstat;
+	dv_reg		c0txstat;
+	dv_reg		c0miscstat;
+	dv_reg		c1rxthreshstat;
+	dv_reg		c1rxstat;
+	dv_reg		c1txstat;
+	dv_reg		c1miscstat;
+	dv_reg		c2rxthreshstat;
+	dv_reg		c2rxstat;
+	dv_reg		c2txstat;
+	dv_reg		c2miscstat;
+	dv_reg		c0rximax;
+	dv_reg		c0tximax;
+	dv_reg		c1rximax;
+	dv_reg		c1tximax;
+	dv_reg		c2rximax;
+	dv_reg		c2tximax;
+#else
+	u_int8_t	RSVD0[4100];
+	dv_reg		EWCTL;
+	dv_reg		EWINTTCNT;
+#endif
+} ewrap_regs;
+
+/* EMAC MDIO Registers Structure */
+typedef struct  {
+	dv_reg		VERSION;
+	dv_reg		CONTROL;
+	dv_reg		ALIVE;
+	dv_reg		LINK;
+	dv_reg		LINKINTRAW;
+	dv_reg		LINKINTMASKED;
+	u_int8_t	RSVD0[8];
+	dv_reg		USERINTRAW;
+	dv_reg		USERINTMASKED;
+	dv_reg		USERINTMASKSET;
+	dv_reg		USERINTMASKCLEAR;
+	u_int8_t	RSVD1[80];
+	dv_reg		USERACCESS0;
+	dv_reg		USERPHYSEL0;
+	dv_reg		USERACCESS1;
+	dv_reg		USERPHYSEL1;
+} mdio_regs;
+
+int davinci_eth_phy_read(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t *data);
+int davinci_eth_phy_write(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t data);
+void davinci_eth_set_mac_addr(const u_int8_t *addr);
+
+typedef struct
+{
+	char	name[64];
+	int	(*init)(int phy_addr);
+	int	(*is_phy_connected)(int phy_addr);
+	int	(*get_link_speed)(int phy_addr);
+	int	(*auto_negotiate)(int phy_addr);
+} phy_t;
+
+#define PHY_LXT972	(0x001378e2)
+int lxt972_is_phy_connected(int phy_addr);
+int lxt972_get_link_speed(int phy_addr);
+int lxt972_init_phy(int phy_addr);
+int lxt972_auto_negotiate(int phy_addr);
+
+#define PHY_DP83848	(0x20005c90)
+int dp83848_is_phy_connected(int phy_addr);
+int dp83848_get_link_speed(int phy_addr);
+int dp83848_init_phy(int phy_addr);
+int dp83848_auto_negotiate(int phy_addr);
+
+#endif  /* _DM644X_EMAC_H_ */
diff --git a/arch/arm/include/asm/arch-davinci/emif_defs.h b/arch/arm/include/asm/arch-davinci/emif_defs.h
new file mode 100644
index 0000000000..b48ec17e97
--- /dev/null
+++ b/arch/arm/include/asm/arch-davinci/emif_defs.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * 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 _EMIF_DEFS_H_
+#define _EMIF_DEFS_H_
+
+#include <asm/arch/hardware.h>
+
+struct davinci_emif_regs {
+	u_int32_t	ercsr;
+	u_int32_t	awccr;
+	u_int32_t	sdbcr;
+	u_int32_t	sdrcr;
+	u_int32_t	ab1cr;
+	u_int32_t	ab2cr;
+	u_int32_t	ab3cr;
+	u_int32_t	ab4cr;
+	u_int32_t	sdtimr;
+	u_int32_t	ddrsr;
+	u_int32_t	ddrphycr;
+	u_int32_t	ddrphysr;
+	u_int32_t	totar;
+	u_int32_t	totactr;
+	u_int32_t	ddrphyid_rev;
+	u_int32_t	sdsretr;
+	u_int32_t	eirr;
+	u_int32_t	eimr;
+	u_int32_t	eimsr;
+	u_int32_t	eimcr;
+	u_int32_t	ioctrlr;
+	u_int32_t	iostatr;
+	u_int8_t	rsvd0[8];
+	u_int32_t	nandfcr;
+	u_int32_t	nandfsr;
+	u_int8_t	rsvd1[8];
+	u_int32_t	nandfecc[4];
+	u_int8_t	rsvd2[60];
+	u_int32_t	nand4biteccload;
+	u_int32_t	nand4bitecc[4];
+	u_int32_t	nanderradd1;
+	u_int32_t	nanderradd2;
+	u_int32_t	nanderrval1;
+	u_int32_t	nanderrval2;
+};
+
+#define davinci_emif_regs \
+	((struct davinci_emif_regs *)DAVINCI_ASYNC_EMIF_CNTRL_BASE)
+
+#define DAVINCI_NANDFCR_NAND_ENABLE(n)			(1 << (n-2))
+#define DAVINCI_NANDFCR_4BIT_ECC_SEL_MASK		(3 << 4)
+#define DAVINCI_NANDFCR_4BIT_ECC_SEL(n)			((n-2) << 4)
+#define DAVINCI_NANDFCR_1BIT_ECC_START(n)		(1 << (8 + (n-2)))
+#define DAVINCI_NANDFCR_4BIT_ECC_START			(1 << 12)
+#define DAVINCI_NANDFCR_4BIT_CALC_START			(1 << 13)
+
+/* Chip Select setup */
+#define DAVINCI_ABCR_STROBE_SELECT			(1 << 31)
+#define DAVINCI_ABCR_EXT_WAIT				(1 << 30)
+#define DAVINCI_ABCR_WSETUP(n)				(n << 26)
+#define DAVINCI_ABCR_WSTROBE(n)				(n << 20)
+#define DAVINCI_ABCR_WHOLD(n)				(n << 17)
+#define DAVINCI_ABCR_RSETUP(n)				(n << 13)
+#define DAVINCI_ABCR_RSTROBE(n)				(n << 7)
+#define DAVINCI_ABCR_RHOLD(n)				(n << 4)
+#define DAVINCI_ABCR_TA(n)				(n << 2)
+#define DAVINCI_ABCR_ASIZE_16BIT			1
+#define DAVINCI_ABCR_ASIZE_8BIT				0
+
+#endif
diff --git a/arch/arm/include/asm/arch-davinci/gpio_defs.h b/arch/arm/include/asm/arch-davinci/gpio_defs.h
new file mode 100644
index 0000000000..1be2ac2660
--- /dev/null
+++ b/arch/arm/include/asm/arch-davinci/gpio_defs.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2009 Texas Instruments Incorporated
+ *
+ * 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 _GPIO_DEFS_H_
+#define _GPIO_DEFS_H_
+
+#ifndef CONFIG_SOC_DA8XX
+#define DAVINCI_GPIO_BINTEN	0x01C67008
+#define DAVINCI_GPIO_BANK01	0x01C67010
+#define DAVINCI_GPIO_BANK23	0x01C67038
+#define DAVINCI_GPIO_BANK45	0x01C67060
+#define DAVINCI_GPIO_BANK67	0x01C67088
+
+#else /* CONFIG_SOC_DA8XX */
+#define DAVINCI_GPIO_BINTEN	0x01E26008
+#define DAVINCI_GPIO_BANK01	0x01E26010
+#define DAVINCI_GPIO_BANK23	0x01E26038
+#define DAVINCI_GPIO_BANK45	0x01E26060
+#define DAVINCI_GPIO_BANK67	0x01E26088
+#endif /* CONFIG_SOC_DA8XX */
+
+struct davinci_gpio {
+	unsigned int dir;
+	unsigned int out_data;
+	unsigned int set_data;
+	unsigned int clr_data;
+	unsigned int in_data;
+	unsigned int set_rising;
+	unsigned int clr_rising;
+	unsigned int set_falling;
+	unsigned int clr_falling;
+	unsigned int intstat;
+};
+
+struct davinci_gpio_bank {
+	int num_gpio;
+	unsigned int irq_num;
+	unsigned int irq_mask;
+	unsigned long *in_use;
+	unsigned long base;
+};
+
+#define davinci_gpio_bank01 ((struct davinci_gpio *)DAVINCI_GPIO_BANK01)
+#define davinci_gpio_bank23 ((struct davinci_gpio *)DAVINCI_GPIO_BANK23)
+#define davinci_gpio_bank45 ((struct davinci_gpio *)DAVINCI_GPIO_BANK45)
+#define davinci_gpio_bank67 ((struct davinci_gpio *)DAVINCI_GPIO_BANK67)
+
+#endif
diff --git a/arch/arm/include/asm/arch-davinci/hardware.h b/arch/arm/include/asm/arch-davinci/hardware.h
new file mode 100644
index 0000000000..81cc8ab157
--- /dev/null
+++ b/arch/arm/include/asm/arch-davinci/hardware.h
@@ -0,0 +1,446 @@
+/*
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Based on:
+ *
+ * -------------------------------------------------------------------------
+ *
+ *  linux/include/asm-arm/arch-davinci/hardware.h
+ *
+ *  Copyright (C) 2006 Texas Instruments.
+ *
+ *  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  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  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.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#include <config.h>
+#include <asm/sizes.h>
+
+#define	REG(addr)	(*(volatile unsigned int *)(addr))
+#define REG_P(addr)	((volatile unsigned int *)(addr))
+
+typedef volatile unsigned int	dv_reg;
+typedef volatile unsigned int *	dv_reg_p;
+
+/*
+ * Base register addresses
+ *
+ * NOTE:  some of these DM6446-specific addresses DO NOT WORK
+ * on other DaVinci chips.  Double check them before you try
+ * using the addresses ... or PSC module identifiers, etc.
+ */
+#ifndef CONFIG_SOC_DA8XX
+
+#define DAVINCI_DMA_3PCC_BASE			(0x01c00000)
+#define DAVINCI_DMA_3PTC0_BASE			(0x01c10000)
+#define DAVINCI_DMA_3PTC1_BASE			(0x01c10400)
+#define DAVINCI_UART0_BASE			(0x01c20000)
+#define DAVINCI_UART1_BASE			(0x01c20400)
+#define DAVINCI_I2C_BASE			(0x01c21000)
+#define DAVINCI_TIMER0_BASE			(0x01c21400)
+#define DAVINCI_TIMER1_BASE			(0x01c21800)
+#define DAVINCI_WDOG_BASE			(0x01c21c00)
+#define DAVINCI_PWM0_BASE			(0x01c22000)
+#define DAVINCI_PWM1_BASE			(0x01c22400)
+#define DAVINCI_PWM2_BASE			(0x01c22800)
+#define DAVINCI_SYSTEM_MODULE_BASE		(0x01c40000)
+#define DAVINCI_PLL_CNTRL0_BASE			(0x01c40800)
+#define DAVINCI_PLL_CNTRL1_BASE			(0x01c40c00)
+#define DAVINCI_PWR_SLEEP_CNTRL_BASE		(0x01c41000)
+#define DAVINCI_ARM_INTC_BASE			(0x01c48000)
+#define DAVINCI_USB_OTG_BASE			(0x01c64000)
+#define DAVINCI_CFC_ATA_BASE			(0x01c66000)
+#define DAVINCI_SPI_BASE			(0x01c66800)
+#define DAVINCI_GPIO_BASE			(0x01c67000)
+#define DAVINCI_VPSS_REGS_BASE			(0x01c70000)
+#if !defined(CONFIG_SOC_DM646X)
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE	(0x02000000)
+#define DAVINCI_ASYNC_EMIF_DATA_CE1_BASE	(0x04000000)
+#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE	(0x06000000)
+#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE	(0x08000000)
+#endif
+#define DAVINCI_DDR_BASE			(0x80000000)
+
+#ifdef CONFIG_SOC_DM644X
+#define DAVINCI_UART2_BASE			0x01c20800
+#define DAVINCI_UHPI_BASE			0x01c67800
+#define DAVINCI_EMAC_CNTRL_REGS_BASE		0x01c80000
+#define DAVINCI_EMAC_WRAPPER_CNTRL_REGS_BASE	0x01c81000
+#define DAVINCI_EMAC_WRAPPER_RAM_BASE		0x01c82000
+#define DAVINCI_MDIO_CNTRL_REGS_BASE		0x01c84000
+#define DAVINCI_IMCOP_BASE			0x01cc0000
+#define DAVINCI_ASYNC_EMIF_CNTRL_BASE		0x01e00000
+#define DAVINCI_VLYNQ_BASE			0x01e01000
+#define DAVINCI_ASP_BASE			0x01e02000
+#define DAVINCI_MMC_SD_BASE			0x01e10000
+#define DAVINCI_MS_BASE				0x01e20000
+#define DAVINCI_VLYNQ_REMOTE_BASE		0x0c000000
+
+#elif defined(CONFIG_SOC_DM355)
+#define DAVINCI_MMC_SD1_BASE			0x01e00000
+#define DAVINCI_ASP0_BASE			0x01e02000
+#define DAVINCI_ASP1_BASE			0x01e04000
+#define DAVINCI_UART2_BASE			0x01e06000
+#define DAVINCI_ASYNC_EMIF_CNTRL_BASE		0x01e10000
+#define DAVINCI_MMC_SD0_BASE			0x01e11000
+
+#elif defined(CONFIG_SOC_DM365)
+#define DAVINCI_MMC_SD1_BASE			0x01d00000
+#define DAVINCI_ASYNC_EMIF_CNTRL_BASE		0x01d10000
+#define DAVINCI_MMC_SD0_BASE			0x01d11000
+
+#elif defined(CONFIG_SOC_DM646X)
+#define DAVINCI_ASYNC_EMIF_CNTRL_BASE		0x20008000
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE	0x42000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE1_BASE	0x44000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE	0x46000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE	0x48000000
+
+#endif
+
+#else /* CONFIG_SOC_DA8XX */
+
+#define DAVINCI_UART0_BASE			0x01c42000
+#define DAVINCI_UART1_BASE			0x01d0c000
+#define DAVINCI_UART2_BASE			0x01d0d000
+#define DAVINCI_I2C0_BASE			0x01c22000
+#define DAVINCI_I2C1_BASE			0x01e28000
+#define DAVINCI_TIMER0_BASE			0x01c20000
+#define DAVINCI_TIMER1_BASE			0x01c21000
+#define DAVINCI_WDOG_BASE			0x01c21000
+#define DAVINCI_PLL_CNTRL0_BASE			0x01c11000
+#define DAVINCI_PSC0_BASE			0x01c10000
+#define DAVINCI_PSC1_BASE			0x01e27000
+#define DAVINCI_SPI0_BASE			0x01c41000
+#define DAVINCI_USB_OTG_BASE			0x01e00000
+#define DAVINCI_SPI1_BASE			0x01e12000
+#define DAVINCI_GPIO_BASE			0x01e26000
+#define DAVINCI_EMAC_CNTRL_REGS_BASE		0x01e23000
+#define DAVINCI_EMAC_WRAPPER_CNTRL_REGS_BASE	0x01e22000
+#define DAVINCI_EMAC_WRAPPER_RAM_BASE		0x01e20000
+#define DAVINCI_MDIO_CNTRL_REGS_BASE		0x01e24000
+#define DAVINCI_ASYNC_EMIF_CNTRL_BASE		0x68000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE	0x40000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE2_BASE	0x60000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE3_BASE	0x62000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE4_BASE	0x64000000
+#define DAVINCI_ASYNC_EMIF_DATA_CE5_BASE	0x66000000
+#define DAVINCI_DDR_EMIF_CTRL_BASE		0xb0000000
+#define DAVINCI_DDR_EMIF_DATA_BASE		0xc0000000
+#define DAVINCI_INTC_BASE			0xfffee000
+#define DAVINCI_BOOTCFG_BASE			0x01c14000
+
+#endif /* CONFIG_SOC_DA8XX */
+
+/* Power and Sleep Controller (PSC) Domains */
+#define DAVINCI_GPSC_ARMDOMAIN		0
+#define DAVINCI_GPSC_DSPDOMAIN		1
+
+#ifndef CONFIG_SOC_DA8XX
+
+#define DAVINCI_LPSC_VPSSMSTR		0
+#define DAVINCI_LPSC_VPSSSLV		1
+#define DAVINCI_LPSC_TPCC		2
+#define DAVINCI_LPSC_TPTC0		3
+#define DAVINCI_LPSC_TPTC1		4
+#define DAVINCI_LPSC_EMAC		5
+#define DAVINCI_LPSC_EMAC_WRAPPER	6
+#define DAVINCI_LPSC_MDIO		7
+#define DAVINCI_LPSC_IEEE1394		8
+#define DAVINCI_LPSC_USB		9
+#define DAVINCI_LPSC_ATA		10
+#define DAVINCI_LPSC_VLYNQ		11
+#define DAVINCI_LPSC_UHPI		12
+#define DAVINCI_LPSC_DDR_EMIF		13
+#define DAVINCI_LPSC_AEMIF		14
+#define DAVINCI_LPSC_MMC_SD		15
+#define DAVINCI_LPSC_MEMSTICK		16
+#define DAVINCI_LPSC_McBSP		17
+#define DAVINCI_LPSC_I2C		18
+#define DAVINCI_LPSC_UART0		19
+#define DAVINCI_LPSC_UART1		20
+#define DAVINCI_LPSC_UART2		21
+#define DAVINCI_LPSC_SPI		22
+#define DAVINCI_LPSC_PWM0		23
+#define DAVINCI_LPSC_PWM1		24
+#define DAVINCI_LPSC_PWM2		25
+#define DAVINCI_LPSC_GPIO		26
+#define DAVINCI_LPSC_TIMER0		27
+#define DAVINCI_LPSC_TIMER1		28
+#define DAVINCI_LPSC_TIMER2		29
+#define DAVINCI_LPSC_SYSTEM_SUBSYS	30
+#define DAVINCI_LPSC_ARM		31
+#define DAVINCI_LPSC_SCR2		32
+#define DAVINCI_LPSC_SCR3		33
+#define DAVINCI_LPSC_SCR4		34
+#define DAVINCI_LPSC_CROSSBAR		35
+#define DAVINCI_LPSC_CFG27		36
+#define DAVINCI_LPSC_CFG3		37
+#define DAVINCI_LPSC_CFG5		38
+#define DAVINCI_LPSC_GEM		39
+#define DAVINCI_LPSC_IMCOP		40
+
+#define DAVINCI_DM646X_LPSC_EMAC	14
+#define DAVINCI_DM646X_LPSC_UART0	26
+#define DAVINCI_DM646X_LPSC_I2C		31
+
+#else /* CONFIG_SOC_DA8XX */
+
+enum davinci_lpsc_ids {
+	DAVINCI_LPSC_TPCC = 0,
+	DAVINCI_LPSC_TPTC0,
+	DAVINCI_LPSC_TPTC1,
+	DAVINCI_LPSC_AEMIF,
+	DAVINCI_LPSC_SPI0,
+	DAVINCI_LPSC_MMC_SD,
+	DAVINCI_LPSC_AINTC,
+	DAVINCI_LPSC_ARM_RAM_ROM,
+	DAVINCI_LPSC_SECCTL_KEYMGR,
+	DAVINCI_LPSC_UART0,
+	DAVINCI_LPSC_SCR0,
+	DAVINCI_LPSC_SCR1,
+	DAVINCI_LPSC_SCR2,
+	DAVINCI_LPSC_DMAX,
+	DAVINCI_LPSC_ARM,
+	DAVINCI_LPSC_GEM,
+	/* for LPSCs in PSC1, offset from 32 for differentiation */
+	DAVINCI_LPSC_PSC1_BASE = 32,
+	DAVINCI_LPSC_USB11,
+	DAVINCI_LPSC_USB20,
+	DAVINCI_LPSC_GPIO,
+	DAVINCI_LPSC_UHPI,
+	DAVINCI_LPSC_EMAC,
+	DAVINCI_LPSC_DDR_EMIF,
+	DAVINCI_LPSC_McASP0,
+	DAVINCI_LPSC_McASP1,
+	DAVINCI_LPSC_McASP2,
+	DAVINCI_LPSC_SPI1,
+	DAVINCI_LPSC_I2C1,
+	DAVINCI_LPSC_UART1,
+	DAVINCI_LPSC_UART2,
+	DAVINCI_LPSC_LCDC,
+	DAVINCI_LPSC_ePWM,
+	DAVINCI_LPSC_eCAP,
+	DAVINCI_LPSC_eQEP,
+	DAVINCI_LPSC_SCR_P0,
+	DAVINCI_LPSC_SCR_P1,
+	DAVINCI_LPSC_CR_P3,
+	DAVINCI_LPSC_L3_CBA_RAM
+};
+
+#endif /* CONFIG_SOC_DA8XX */
+
+void lpsc_on(unsigned int id);
+void dsp_on(void);
+
+void davinci_enable_uart0(void);
+void davinci_enable_emac(void);
+void davinci_enable_i2c(void);
+void davinci_errata_workarounds(void);
+
+#ifndef CONFIG_SOC_DA8XX
+
+/* Some PSC defines */
+#define PSC_CHP_SHRTSW			(0x01c40038)
+#define PSC_GBLCTL			(0x01c41010)
+#define PSC_EPCPR			(0x01c41070)
+#define PSC_EPCCR			(0x01c41078)
+#define PSC_PTCMD			(0x01c41120)
+#define PSC_PTSTAT			(0x01c41128)
+#define PSC_PDSTAT			(0x01c41200)
+#define PSC_PDSTAT1			(0x01c41204)
+#define PSC_PDCTL			(0x01c41300)
+#define PSC_PDCTL1			(0x01c41304)
+
+#define PSC_MDCTL_BASE			(0x01c41a00)
+#define PSC_MDSTAT_BASE			(0x01c41800)
+
+#define VDD3P3V_PWDN			(0x01c40048)
+#define UART0_PWREMU_MGMT		(0x01c20030)
+
+#define PSC_SILVER_BULLET		(0x01c41a20)
+
+#else /* CONFIG_SOC_DA8XX */
+
+#define PSC_PSC0_MODULE_ID_CNT		16
+#define PSC_PSC1_MODULE_ID_CNT		32
+
+struct davinci_psc_regs {
+	dv_reg	revid;
+	dv_reg	rsvd0[71];
+	dv_reg	ptcmd;
+	dv_reg	rsvd1;
+	dv_reg	ptstat;
+	dv_reg	rsvd2[437];
+	union {
+		struct {
+			dv_reg	mdstat[PSC_PSC0_MODULE_ID_CNT];
+			dv_reg	rsvd3[112];
+			dv_reg	mdctl[PSC_PSC0_MODULE_ID_CNT];
+		} psc0;
+		struct {
+			dv_reg	mdstat[PSC_PSC1_MODULE_ID_CNT];
+			dv_reg	rsvd3[96];
+			dv_reg	mdctl[PSC_PSC1_MODULE_ID_CNT];
+		} psc1;
+	};
+};
+
+#define davinci_psc0_regs ((struct davinci_psc_regs *)DAVINCI_PSC0_BASE)
+#define davinci_psc1_regs ((struct davinci_psc_regs *)DAVINCI_PSC1_BASE)
+
+#endif /* CONFIG_SOC_DA8XX */
+
+#ifndef CONFIG_SOC_DA8XX
+
+/* Miscellania... */
+#define VBPR				(0x20000020)
+
+/* NOTE:  system control modules are *highly* chip-specific, both
+ * as to register content (e.g. for muxing) and which registers exist.
+ */
+#define PINMUX0				0x01c40000
+#define PINMUX1				0x01c40004
+#define PINMUX2				0x01c40008
+#define PINMUX3				0x01c4000c
+#define PINMUX4				0x01c40010
+
+#else /* CONFIG_SOC_DA8XX */
+
+struct davinci_pllc_regs {
+	dv_reg	revid;
+	dv_reg	rsvd1[56];
+	dv_reg	rstype;
+	dv_reg	rsvd2[6];
+	dv_reg	pllctl;
+	dv_reg	ocsel;
+	dv_reg	rsvd3[2];
+	dv_reg	pllm;
+	dv_reg	prediv;
+	dv_reg	plldiv1;
+	dv_reg	plldiv2;
+	dv_reg	plldiv3;
+	dv_reg	oscdiv;
+	dv_reg	postdiv;
+	dv_reg	rsvd4[3];
+	dv_reg	pllcmd;
+	dv_reg	pllstat;
+	dv_reg	alnctl;
+	dv_reg	dchange;
+	dv_reg	cken;
+	dv_reg	ckstat;
+	dv_reg	systat;
+	dv_reg	rsvd5[3];
+	dv_reg	plldiv4;
+	dv_reg	plldiv5;
+	dv_reg	plldiv6;
+	dv_reg	plldiv7;
+	dv_reg	rsvd6[32];
+	dv_reg	emucnt0;
+	dv_reg	emucnt1;
+};
+
+#define davinci_pllc_regs ((struct davinci_pllc_regs *)DAVINCI_PLL_CNTRL0_BASE)
+#define DAVINCI_PLLC_DIV_MASK	0x1f
+
+/* Clock IDs */
+enum davinci_clk_ids {
+	DAVINCI_SPI0_CLKID = 2,
+	DAVINCI_UART2_CLKID = 2,
+	DAVINCI_MDIO_CLKID = 4,
+	DAVINCI_ARM_CLKID = 6,
+	DAVINCI_PLLM_CLKID = 0xff,
+	DAVINCI_PLLC_CLKID = 0x100,
+	DAVINCI_AUXCLK_CLKID = 0x101
+};
+
+int clk_get(enum davinci_clk_ids id);
+
+/* Boot config */
+struct davinci_syscfg_regs {
+	dv_reg	revid;
+	dv_reg	rsvd[71];
+	dv_reg	pinmux[20];
+	dv_reg	suspsrc;
+	dv_reg	chipsig;
+	dv_reg	chipsig_clr;
+	dv_reg	cfgchip0;
+	dv_reg	cfgchip1;
+	dv_reg	cfgchip2;
+	dv_reg	cfgchip3;
+	dv_reg	cfgchip4;
+};
+
+#define davinci_syscfg_regs \
+	((struct davinci_syscfg_regs *)DAVINCI_BOOTCFG_BASE)
+
+/* Emulation suspend bits */
+#define DAVINCI_SYSCFG_SUSPSRC_EMAC		(1 << 5)
+#define DAVINCI_SYSCFG_SUSPSRC_I2C		(1 << 16)
+#define DAVINCI_SYSCFG_SUSPSRC_SPI0		(1 << 21)
+#define DAVINCI_SYSCFG_SUSPSRC_UART2		(1 << 20)
+#define DAVINCI_SYSCFG_SUSPSRC_TIMER0		(1 << 27)
+
+/* Interrupt controller */
+struct davinci_aintc_regs {
+	dv_reg	revid;
+	dv_reg	cr;
+	dv_reg	dummy0[2];
+	dv_reg	ger;
+	dv_reg	dummy1[219];
+	dv_reg	ecr1;
+	dv_reg	ecr2;
+	dv_reg	ecr3;
+	dv_reg	dummy2[1117];
+	dv_reg	hier;
+};
+
+#define davinci_aintc_regs ((struct davinci_aintc_regs *)DAVINCI_INTC_BASE)
+
+struct davinci_uart_ctrl_regs {
+	dv_reg	revid1;
+	dv_reg	revid2;
+	dv_reg	pwremu_mgmt;
+	dv_reg	mdr;
+};
+
+#define DAVINCI_UART_CTRL_BASE 0x28
+#define DAVINCI_UART0_CTRL_ADDR (DAVINCI_UART0_BASE + DAVINCI_UART_CTRL_BASE)
+#define DAVINCI_UART1_CTRL_ADDR (DAVINCI_UART1_BASE + DAVINCI_UART_CTRL_BASE)
+#define DAVINCI_UART2_CTRL_ADDR (DAVINCI_UART2_BASE + DAVINCI_UART_CTRL_BASE)
+
+#define davinci_uart0_ctrl_regs \
+	((struct davinci_uart_ctrl_regs *)DAVINCI_UART0_CTRL_ADDR)
+#define davinci_uart1_ctrl_regs \
+	((struct davinci_uart_ctrl_regs *)DAVINCI_UART1_CTRL_ADDR)
+#define davinci_uart2_ctrl_regs \
+	((struct davinci_uart_ctrl_regs *)DAVINCI_UART2_CTRL_ADDR)
+
+/* UART PWREMU_MGMT definitions */
+#define DAVINCI_UART_PWREMU_MGMT_FREE	(1 << 0)
+#define DAVINCI_UART_PWREMU_MGMT_URRST	(1 << 13)
+#define DAVINCI_UART_PWREMU_MGMT_UTRST	(1 << 14)
+
+#endif /* CONFIG_SOC_DA8XX */
+
+#endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/include/asm/arch-davinci/i2c_defs.h b/arch/arm/include/asm/arch-davinci/i2c_defs.h
new file mode 100644
index 0000000000..24cd268b95
--- /dev/null
+++ b/arch/arm/include/asm/arch-davinci/i2c_defs.h
@@ -0,0 +1,99 @@
+/*
+ * (C) Copyright 2004
+ * Texas Instruments, <www.ti.com>
+ *
+ * Some changes copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * 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 _DAVINCI_I2C_H_
+#define _DAVINCI_I2C_H_
+
+#define I2C_WRITE		0
+#define I2C_READ		1
+
+#ifndef CONFIG_SOC_DA8XX
+#define I2C_BASE		0x01c21000
+#else
+#define I2C_BASE		0x01c22000
+#endif
+
+#define	I2C_OA			(I2C_BASE + 0x00)
+#define I2C_IE			(I2C_BASE + 0x04)
+#define I2C_STAT		(I2C_BASE + 0x08)
+#define I2C_SCLL		(I2C_BASE + 0x0c)
+#define I2C_SCLH		(I2C_BASE + 0x10)
+#define I2C_CNT			(I2C_BASE + 0x14)
+#define I2C_DRR			(I2C_BASE + 0x18)
+#define I2C_SA			(I2C_BASE + 0x1c)
+#define I2C_DXR			(I2C_BASE + 0x20)
+#define I2C_CON			(I2C_BASE + 0x24)
+#define I2C_IV			(I2C_BASE + 0x28)
+#define I2C_PSC			(I2C_BASE + 0x30)
+
+/* I2C masks */
+
+/* I2C Interrupt Enable Register (I2C_IE): */
+#define I2C_IE_SCD_IE	(1 << 5)	/* Stop condition detect interrupt enable */
+#define I2C_IE_XRDY_IE	(1 << 4)	/* Transmit data ready interrupt enable */
+#define I2C_IE_RRDY_IE	(1 << 3)	/* Receive data ready interrupt enable */
+#define I2C_IE_ARDY_IE	(1 << 2)	/* Register access ready interrupt enable */
+#define I2C_IE_NACK_IE	(1 << 1)	/* No acknowledgment interrupt enable */
+#define I2C_IE_AL_IE	(1 << 0)	/* Arbitration lost interrupt enable */
+
+/* I2C Status Register (I2C_STAT): */
+
+#define I2C_STAT_BB	(1 << 12)	/* Bus busy */
+#define I2C_STAT_ROVR	(1 << 11)	/* Receive overrun */
+#define I2C_STAT_XUDF	(1 << 10)	/* Transmit underflow */
+#define I2C_STAT_AAS	(1 << 9)	/* Address as slave */
+#define I2C_STAT_SCD	(1 << 5)	/* Stop condition detect */
+#define I2C_STAT_XRDY	(1 << 4)	/* Transmit data ready */
+#define I2C_STAT_RRDY	(1 << 3)	/* Receive data ready */
+#define I2C_STAT_ARDY	(1 << 2)	/* Register access ready */
+#define I2C_STAT_NACK	(1 << 1)	/* No acknowledgment interrupt enable */
+#define I2C_STAT_AL	(1 << 0)	/* Arbitration lost interrupt enable */
+
+
+/* I2C Interrupt Code Register (I2C_INTCODE): */
+
+#define I2C_INTCODE_MASK	7
+#define I2C_INTCODE_NONE	0
+#define I2C_INTCODE_AL		1	/* Arbitration lost */
+#define I2C_INTCODE_NAK		2	/* No acknowledgement/general call */
+#define I2C_INTCODE_ARDY	3	/* Register access ready */
+#define I2C_INTCODE_RRDY	4	/* Rcv data ready */
+#define I2C_INTCODE_XRDY	5	/* Xmit data ready */
+#define I2C_INTCODE_SCD		6	/* Stop condition detect */
+
+
+/* I2C Configuration Register (I2C_CON): */
+
+#define I2C_CON_EN	(1 << 5)	/* I2C module enable */
+#define I2C_CON_STB	(1 << 4)	/* Start byte mode (master mode only) */
+#define I2C_CON_MST	(1 << 10)	/* Master/slave mode */
+#define I2C_CON_TRX	(1 << 9)	/* Transmitter/receiver mode (master mode only) */
+#define I2C_CON_XA	(1 << 8)	/* Expand address */
+#define I2C_CON_STP	(1 << 11)	/* Stop condition (master mode only) */
+#define I2C_CON_STT	(1 << 13)	/* Start condition (master mode only) */
+#define I2C_CON_FREE	(1 << 14)	/* Free run on emulation */
+
+#define I2C_TIMEOUT	0xffff0000	/* Timeout mask for poll_i2c_irq() */
+
+#endif
diff --git a/arch/arm/include/asm/arch-davinci/nand_defs.h b/arch/arm/include/asm/arch-davinci/nand_defs.h
new file mode 100644
index 0000000000..10f3a392ab
--- /dev/null
+++ b/arch/arm/include/asm/arch-davinci/nand_defs.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Parts shamelesly stolen from Linux Kernel source tree.
+ *
+ * ------------------------------------------------------------
+ *
+ * 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 _NAND_DEFS_H_
+#define _NAND_DEFS_H_
+
+#include <asm/arch/hardware.h>
+
+#ifdef CONFIG_SOC_DM646X
+#define	MASK_CLE	0x80000
+#define	MASK_ALE	0x40000
+#else
+#define	MASK_CLE	0x10
+#define	MASK_ALE	0x08
+#endif
+
+#define NAND_READ_START		0x00
+#define NAND_READ_END		0x30
+#define NAND_STATUS		0x70
+
+extern void davinci_nand_init(struct nand_chip *nand);
+
+#endif