ARM: davinci: move SoC sources to mach-davinci

Move
arch/arm/cpu/arm926ejs/davinci/* -> arch/arm/mach-davinci/*

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Tom Rini <trini@ti.com>

23 files changed, 3229 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
new file mode 100644
index 0000000000..613f04d8b0
--- /dev/null
+++ b/arch/arm/mach-davinci/Kconfig
@@ -0,0 +1,78 @@
+if ARCH_DAVINCI
+
+choice
+	prompt "DaVinci board select"
+
+config TARGET_ENBW_CMC
+	bool "EnBW CMC board"
+
+config TARGET_IPAM390
+	bool "IPAM390 board"
+	select SUPPORT_SPL
+
+config TARGET_DA830EVM
+	bool "DA830 EVM board"
+
+config TARGET_DA850EVM
+	bool "DA850 EVM board"
+	select SUPPORT_SPL
+
+config TARGET_CAM_ENC_4XX
+	bool "CAM ENC 4xx board"
+	select SUPPORT_SPL
+
+config TARGET_HAWKBOARD
+	bool "Hawkboard"
+	select SUPPORT_SPL
+
+config TARGET_DAVINCI_DM355EVM
+	bool "DM355 EVM board"
+
+config TARGET_DAVINCI_DM355LEOPARD
+	bool "DM355 Leopard board"
+
+config TARGET_DAVINCI_DM365EVM
+	bool "DM365 EVM board"
+
+config TARGET_DAVINCI_DM6467EVM
+	bool "DM6467 EVM board"
+
+config TARGET_DAVINCI_DVEVM
+	bool "DVEVM board"
+
+config TARGET_EA20
+	bool "EA20 board"
+
+config TARGET_DAVINCI_SCHMOOGIE
+	bool "Schmoogie board"
+
+config TARGET_DAVINCI_SFFSDR
+	bool "SFFSDR board"
+
+config TARGET_DAVINCI_SONATA
+	bool "Sonata board"
+
+config TARGET_CALIMAIN
+	bool "Calimain board"
+
+endchoice
+
+config SYS_SOC
+	default "davinci"
+
+source "board/enbw/enbw_cmc/Kconfig"
+source "board/ait/cam_enc_4xx/Kconfig"
+source "board/Barix/ipam390/Kconfig"
+source "board/davinci/da8xxevm/Kconfig"
+source "board/davinci/dm355evm/Kconfig"
+source "board/davinci/dm355leopard/Kconfig"
+source "board/davinci/dm365evm/Kconfig"
+source "board/davinci/dm6467evm/Kconfig"
+source "board/davinci/dvevm/Kconfig"
+source "board/davinci/ea20/Kconfig"
+source "board/davinci/schmoogie/Kconfig"
+source "board/davinci/sffsdr/Kconfig"
+source "board/davinci/sonata/Kconfig"
+source "board/omicron/calimain/Kconfig"
+
+endif
diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
new file mode 100644
index 0000000000..7d67191de8
--- /dev/null
+++ b/arch/arm/mach-davinci/Makefile
@@ -0,0 +1,28 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y				+= cpu.o misc.o timer.o psc.o pinmux.o reset.o
+obj-$(CONFIG_DA850_LOWLEVEL)	+= da850_lowlevel.o
+obj-$(CONFIG_SOC_DM355)	+= dm355.o
+obj-$(CONFIG_SOC_DM365)	+= dm365.o
+obj-$(CONFIG_SOC_DM644X)	+= dm644x.o
+obj-$(CONFIG_SOC_DM646X)	+= dm646x.o
+obj-$(CONFIG_SOC_DA830)	+= da830_pinmux.o
+obj-$(CONFIG_SOC_DA850)	+= da850_pinmux.o
+obj-$(CONFIG_DRIVER_TI_EMAC)	+= lxt972.o dp83848.o et1011c.o ksz8873.o
+
+ifdef CONFIG_SPL_BUILD
+obj-$(CONFIG_SPL_FRAMEWORK)	+= spl.o
+obj-$(CONFIG_SOC_DM365)	+= dm365_lowlevel.o
+obj-$(CONFIG_SOC_DA8XX)	+= da850_lowlevel.o
+endif
+
+ifndef CONFIG_SKIP_LOWLEVEL_INIT
+obj-y	+= lowlevel_init.o
+endif
diff --git a/arch/arm/mach-davinci/config.mk b/arch/arm/mach-davinci/config.mk
new file mode 100644
index 0000000000..69e9d5ab21
--- /dev/null
+++ b/arch/arm/mach-davinci/config.mk
@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2012, Texas Instruments, Incorporated - http://www.ti.com/
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+ifndef CONFIG_SPL_BUILD
+ALL-$(CONFIG_SPL_FRAMEWORK)	+= u-boot.ais
+endif
diff --git a/arch/arm/mach-davinci/cpu.c b/arch/arm/mach-davinci/cpu.c
new file mode 100644
index 0000000000..ff61147757
--- /dev/null
+++ b/arch/arm/mach-davinci/cpu.c
@@ -0,0 +1,223 @@
+/*
+ * Copyright (C) 2004 Texas Instruments.
+ * Copyright (C) 2009 David Brownell
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <netdev.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* offsets from PLL controller base */
+#define PLLC_PLLCTL	0x100
+#define PLLC_PLLM	0x110
+#define PLLC_PREDIV	0x114
+#define PLLC_PLLDIV1	0x118
+#define PLLC_PLLDIV2	0x11c
+#define PLLC_PLLDIV3	0x120
+#define PLLC_POSTDIV	0x128
+#define PLLC_BPDIV	0x12c
+#define PLLC_PLLDIV4	0x160
+#define PLLC_PLLDIV5	0x164
+#define PLLC_PLLDIV6	0x168
+#define PLLC_PLLDIV7	0x16c
+#define PLLC_PLLDIV8	0x170
+#define PLLC_PLLDIV9	0x174
+
+#define BIT(x)		(1 << (x))
+
+/* SOC-specific pll info */
+#ifdef CONFIG_SOC_DM355
+#define ARM_PLLDIV	PLLC_PLLDIV1
+#define DDR_PLLDIV	PLLC_PLLDIV1
+#endif
+
+#ifdef CONFIG_SOC_DM644X
+#define ARM_PLLDIV	PLLC_PLLDIV2
+#define DSP_PLLDIV	PLLC_PLLDIV1
+#define DDR_PLLDIV	PLLC_PLLDIV2
+#endif
+
+#ifdef CONFIG_SOC_DM646X
+#define DSP_PLLDIV	PLLC_PLLDIV1
+#define ARM_PLLDIV	PLLC_PLLDIV2
+#define DDR_PLLDIV	PLLC_PLLDIV1
+#endif
+
+#ifdef CONFIG_SOC_DA8XX
+unsigned int sysdiv[9] = {
+	PLLC_PLLDIV1, PLLC_PLLDIV2, PLLC_PLLDIV3, PLLC_PLLDIV4, PLLC_PLLDIV5,
+	PLLC_PLLDIV6, PLLC_PLLDIV7, PLLC_PLLDIV8, PLLC_PLLDIV9
+};
+
+int clk_get(enum davinci_clk_ids id)
+{
+	int pre_div;
+	int pllm;
+	int post_div;
+	int pll_out;
+	unsigned int pll_base;
+
+	pll_out = CONFIG_SYS_OSCIN_FREQ;
+
+	if (id == DAVINCI_AUXCLK_CLKID)
+		goto out;
+
+	if ((id >> 16) == 1)
+		pll_base = (unsigned int)davinci_pllc1_regs;
+	else
+		pll_base = (unsigned int)davinci_pllc0_regs;
+
+	id &= 0xFFFF;
+
+	/*
+	 * Lets keep this simple. Combining operations can result in
+	 * unexpected approximations
+	 */
+	pre_div = (readl(pll_base + PLLC_PREDIV) &
+		DAVINCI_PLLC_DIV_MASK) + 1;
+	pllm = readl(pll_base + PLLC_PLLM) + 1;
+
+	pll_out /= pre_div;
+	pll_out *= pllm;
+
+	if (id == DAVINCI_PLLM_CLKID)
+		goto out;
+
+	post_div = (readl(pll_base + PLLC_POSTDIV) &
+		DAVINCI_PLLC_DIV_MASK) + 1;
+
+	pll_out /= post_div;
+
+	if (id == DAVINCI_PLLC_CLKID)
+		goto out;
+
+	pll_out /= (readl(pll_base + sysdiv[id - 1]) &
+		DAVINCI_PLLC_DIV_MASK) + 1;
+
+out:
+	return pll_out;
+}
+
+int set_cpu_clk_info(void)
+{
+	gd->bd->bi_arm_freq = clk_get(DAVINCI_ARM_CLKID) / 1000000;
+	/* DDR PHY uses an x2 input clock */
+	gd->bd->bi_ddr_freq = cpu_is_da830() ? 0 :
+				(clk_get(DAVINCI_DDR_CLKID) / 1000000);
+	gd->bd->bi_dsp_freq = 0;
+	return 0;
+}
+
+#else /* CONFIG_SOC_DA8XX */
+
+static unsigned pll_div(volatile void *pllbase, unsigned offset)
+{
+	u32	div;
+
+	div = REG(pllbase + offset);
+	return (div & BIT(15)) ? (1 + (div & 0x1f)) : 1;
+}
+
+static inline unsigned pll_prediv(volatile void *pllbase)
+{
+#ifdef CONFIG_SOC_DM355
+	/* this register read seems to fail on pll0 */
+	if (pllbase == (volatile void *)DAVINCI_PLL_CNTRL0_BASE)
+		return 8;
+	else
+		return pll_div(pllbase, PLLC_PREDIV);
+#elif defined(CONFIG_SOC_DM365)
+	return pll_div(pllbase, PLLC_PREDIV);
+#endif
+	return 1;
+}
+
+static inline unsigned pll_postdiv(volatile void *pllbase)
+{
+#if defined(CONFIG_SOC_DM355) || defined(CONFIG_SOC_DM365)
+	return pll_div(pllbase, PLLC_POSTDIV);
+#elif defined(CONFIG_SOC_DM6446)
+	if (pllbase == (volatile void *)DAVINCI_PLL_CNTRL0_BASE)
+		return pll_div(pllbase, PLLC_POSTDIV);
+#endif
+	return 1;
+}
+
+static unsigned pll_sysclk_mhz(unsigned pll_addr, unsigned div)
+{
+	volatile void	*pllbase = (volatile void *) pll_addr;
+#ifdef CONFIG_SOC_DM646X
+	unsigned	base = CONFIG_REFCLK_FREQ / 1000;
+#else
+	unsigned	base = CONFIG_SYS_HZ_CLOCK / 1000;
+#endif
+
+	/* the PLL might be bypassed */
+	if (readl(pllbase + PLLC_PLLCTL) & BIT(0)) {
+		base /= pll_prediv(pllbase);
+#if defined(CONFIG_SOC_DM365)
+		base *=  2 * (readl(pllbase + PLLC_PLLM) & 0x0ff);
+#else
+		base *= 1 + (REG(pllbase + PLLC_PLLM) & 0x0ff);
+#endif
+		base /= pll_postdiv(pllbase);
+	}
+	return DIV_ROUND_UP(base, 1000 * pll_div(pllbase, div));
+}
+
+#ifdef DAVINCI_DM6467EVM
+unsigned int davinci_arm_clk_get()
+{
+	return pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, ARM_PLLDIV) * 1000000;
+}
+#endif
+
+#if defined(CONFIG_SOC_DM365)
+unsigned int davinci_clk_get(unsigned int div)
+{
+	return pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, div) * 1000000;
+}
+#endif
+
+int set_cpu_clk_info(void)
+{
+	unsigned int pllbase = DAVINCI_PLL_CNTRL0_BASE;
+#if defined(CONFIG_SOC_DM365)
+	pllbase = DAVINCI_PLL_CNTRL1_BASE;
+#endif
+	gd->bd->bi_arm_freq = pll_sysclk_mhz(pllbase, ARM_PLLDIV);
+
+#ifdef DSP_PLLDIV
+	gd->bd->bi_dsp_freq =
+		pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, DSP_PLLDIV);
+#else
+	gd->bd->bi_dsp_freq = 0;
+#endif
+
+	pllbase = DAVINCI_PLL_CNTRL1_BASE;
+#if defined(CONFIG_SOC_DM365)
+	pllbase = DAVINCI_PLL_CNTRL0_BASE;
+#endif
+	gd->bd->bi_ddr_freq = pll_sysclk_mhz(pllbase, DDR_PLLDIV) / 2;
+
+	return 0;
+}
+
+#endif /* !CONFIG_SOC_DA8XX */
+
+/*
+ * Initializes on-chip ethernet controllers.
+ * to override, implement board_eth_init()
+ */
+int cpu_eth_init(bd_t *bis)
+{
+#if defined(CONFIG_DRIVER_TI_EMAC)
+	davinci_emac_initialize();
+#endif
+	return 0;
+}
diff --git a/arch/arm/mach-davinci/da830_pinmux.c b/arch/arm/mach-davinci/da830_pinmux.c
new file mode 100644
index 0000000000..edaab45327
--- /dev/null
+++ b/arch/arm/mach-davinci/da830_pinmux.c
@@ -0,0 +1,139 @@
+/*
+ * Pinmux configurations for the DA830 SoCs
+ *
+ * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/davinci_misc.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pinmux_defs.h>
+
+/* SPI0 pin muxer settings */
+const struct pinmux_config spi0_pins_base[] = {
+	{ pinmux(7), 1, 3 },  /* SPI0_SOMI */
+	{ pinmux(7), 1, 4 },  /* SPI0_SIMO */
+	{ pinmux(7), 1, 6 }   /* SPI0_CLK */
+};
+
+const struct pinmux_config spi0_pins_scs0[] = {
+	{ pinmux(7), 1, 7 }   /* SPI0_SCS[0] */
+};
+
+const struct pinmux_config spi0_pins_ena[] = {
+	{ pinmux(7), 1, 5 }   /* SPI0_ENA */
+};
+
+/* NAND pin muxer settings */
+const struct pinmux_config emifa_pins_cs0[] = {
+	{ pinmux(18), 1, 2 }   /* EMA_CS[0] */
+};
+
+const struct pinmux_config emifa_pins_cs2[] = {
+	{ pinmux(18), 1, 3 }   /* EMA_CS[2] */
+};
+
+const struct pinmux_config emifa_pins_cs3[] = {
+	{ pinmux(18), 1, 4 }   /* EMA_CS[3] */
+};
+
+#ifdef CONFIG_USE_NAND
+const struct pinmux_config emifa_pins[] = {
+	{ pinmux(13), 1, 6 },  /* EMA_D[0] */
+	{ pinmux(13), 1, 7 },  /* EMA_D[1] */
+	{ pinmux(14), 1, 0 },  /* EMA_D[2] */
+	{ pinmux(14), 1, 1 },  /* EMA_D[3] */
+	{ pinmux(14), 1, 2 },  /* EMA_D[4] */
+	{ pinmux(14), 1, 3 },  /* EMA_D[5] */
+	{ pinmux(14), 1, 4 },  /* EMA_D[6] */
+	{ pinmux(14), 1, 5 },  /* EMA_D[7] */
+	{ pinmux(14), 1, 6 },  /* EMA_D[8] */
+	{ pinmux(14), 1, 7 },  /* EMA_D[9] */
+	{ pinmux(15), 1, 0 },  /* EMA_D[10] */
+	{ pinmux(15), 1, 1 },  /* EMA_D[11] */
+	{ pinmux(15), 1, 2 },  /* EMA_D[12] */
+	{ pinmux(15), 1, 3 },  /* EMA_D[13] */
+	{ pinmux(15), 1, 4 },  /* EMA_D[14] */
+	{ pinmux(15), 1, 5 },  /* EMA_D[15] */
+	{ pinmux(15), 1, 6 },  /* EMA_A[0] */
+	{ pinmux(15), 1, 7 },  /* EMA_A[1] */
+	{ pinmux(16), 1, 0 },  /* EMA_A[2] */
+	{ pinmux(16), 1, 1 },  /* EMA_A[3] */
+	{ pinmux(16), 1, 2 },  /* EMA_A[4] */
+	{ pinmux(16), 1, 3 },  /* EMA_A[5] */
+	{ pinmux(16), 1, 4 },  /* EMA_A[6] */
+	{ pinmux(16), 1, 5 },  /* EMA_A[7] */
+	{ pinmux(16), 1, 6 },  /* EMA_A[8] */
+	{ pinmux(16), 1, 7 },  /* EMA_A[9] */
+	{ pinmux(17), 1, 0 },  /* EMA_A[10] */
+	{ pinmux(17), 1, 1 },  /* EMA_A[11] */
+	{ pinmux(17), 1, 2 },  /* EMA_A[12] */
+	{ pinmux(17), 1, 3 },  /* EMA_BA[1] */
+	{ pinmux(17), 1, 4 },  /* EMA_BA[0] */
+	{ pinmux(17), 1, 5 },  /* EMA_CLK */
+	{ pinmux(17), 1, 6 },  /* EMA_SDCKE */
+	{ pinmux(17), 1, 7 },  /* EMA_CAS */
+	{ pinmux(18), 1, 0 },  /* EMA_CAS */
+	{ pinmux(18), 1, 1 },  /* EMA_WE */
+	{ pinmux(18), 1, 5 },  /* EMA_OE */
+	{ pinmux(18), 1, 6 },  /* EMA_WE_DQM[1] */
+	{ pinmux(18), 1, 7 },  /* EMA_WE_DQM[0] */
+	{ pinmux(10), 1, 0 }   /* Tristate */
+};
+#endif
+
+/* EMAC PHY interface pins */
+const struct pinmux_config emac_pins_rmii[] = {
+	{ pinmux(10), 2, 1 },  /* RMII_TXD[0] */
+	{ pinmux(10), 2, 2 },  /* RMII_TXD[1] */
+	{ pinmux(10), 2, 3 },  /* RMII_TXEN */
+	{ pinmux(10), 2, 4 },  /* RMII_CRS_DV */
+	{ pinmux(10), 2, 5 },  /* RMII_RXD[0] */
+	{ pinmux(10), 2, 6 },  /* RMII_RXD[1] */
+	{ pinmux(10), 2, 7 }   /* RMII_RXER */
+};
+
+const struct pinmux_config emac_pins_mdio[] = {
+	{ pinmux(11), 2, 0 },  /* MDIO_CLK */
+	{ pinmux(11), 2, 1 }   /* MDIO_D */
+};
+
+const struct pinmux_config emac_pins_rmii_clk_source[] = {
+	{ pinmux(9), 0, 5 }    /* ref.clk from external source */
+};
+
+/* UART2 pin muxer settings */
+const struct pinmux_config uart2_pins_txrx[] = {
+	{ pinmux(8), 2, 7 },   /* UART2_RXD */
+	{ pinmux(9), 2, 0 }    /* UART2_TXD */
+};
+
+/* I2C0 pin muxer settings */
+const struct pinmux_config i2c0_pins[] = {
+	{ pinmux(8), 2, 3 },   /* I2C0_SDA */
+	{ pinmux(8), 2, 4 }    /* I2C0_SCL */
+};
+
+/* USB0_DRVVBUS pin muxer settings */
+const struct pinmux_config usb_pins[] = {
+	{ pinmux(9), 1, 1 }    /* USB0_DRVVBUS */
+};
+
+#ifdef CONFIG_DAVINCI_MMC
+/* MMC0 pin muxer settings */
+const struct pinmux_config mmc0_pins_8bit[] = {
+	{ pinmux(15), 2, 7 },  /* MMCSD0_CLK */
+	{ pinmux(16), 2, 0 },  /* MMCSD0_CMD */
+	{ pinmux(13), 2, 6 },  /* MMCSD0_DAT_0 */
+	{ pinmux(13), 2, 7 },  /* MMCSD0_DAT_1 */
+	{ pinmux(14), 2, 0 },  /* MMCSD0_DAT_2 */
+	{ pinmux(14), 2, 1 },  /* MMCSD0_DAT_3 */
+	{ pinmux(14), 2, 2 },  /* MMCSD0_DAT_4 */
+	{ pinmux(14), 2, 3 },  /* MMCSD0_DAT_5 */
+	{ pinmux(14), 2, 4 },  /* MMCSD0_DAT_6 */
+	{ pinmux(14), 2, 5 }   /* MMCSD0_DAT_7 */
+	/* DA830 supports 8-bit mode */
+};
+#endif
diff --git a/arch/arm/mach-davinci/da850_lowlevel.c b/arch/arm/mach-davinci/da850_lowlevel.c
new file mode 100644
index 0000000000..19730cef8c
--- /dev/null
+++ b/arch/arm/mach-davinci/da850_lowlevel.c
@@ -0,0 +1,313 @@
+/*
+ * SoC-specific lowlevel code for DA850
+ *
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <nand.h>
+#include <ns16550.h>
+#include <post.h>
+#include <asm/arch/da850_lowlevel.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/davinci_misc.h>
+#include <asm/arch/ddr2_defs.h>
+#include <asm/ti-common/davinci_nand.h>
+#include <asm/arch/pll_defs.h>
+
+void davinci_enable_uart0(void)
+{
+	lpsc_on(DAVINCI_LPSC_UART0);
+
+	/* Bringup UART0 out of reset */
+	REG(UART0_PWREMU_MGMT) = 0x00006001;
+}
+
+#if defined(CONFIG_SYS_DA850_PLL_INIT)
+static void da850_waitloop(unsigned long loopcnt)
+{
+	unsigned long	i;
+
+	for (i = 0; i < loopcnt; i++)
+		asm("   NOP");
+}
+
+static int da850_pll_init(struct davinci_pllc_regs *reg, unsigned long pllmult)
+{
+	if (reg == davinci_pllc0_regs)
+		/* Unlock PLL registers. */
+		clrbits_le32(&davinci_syscfg_regs->cfgchip0, PLL_MASTER_LOCK);
+
+	/*
+	 * Set PLLENSRC '0',bit 5, PLL Enable(PLLEN) selection is controlled
+	 * through MMR
+	 */
+	clrbits_le32(&reg->pllctl, PLLCTL_PLLENSRC);
+	/* PLLCTL.EXTCLKSRC bit 9 should be left at 0 for Freon */
+	clrbits_le32(&reg->pllctl, PLLCTL_EXTCLKSRC);
+
+	/* Set PLLEN=0 => PLL BYPASS MODE */
+	clrbits_le32(&reg->pllctl, PLLCTL_PLLEN);
+
+	da850_waitloop(150);
+
+	if (reg == davinci_pllc0_regs) {
+		/*
+		 * Select the Clock Mode bit 8 as External Clock or On Chip
+		 * Oscilator
+		 */
+		dv_maskbits(&reg->pllctl, ~PLLCTL_RES_9);
+		setbits_le32(&reg->pllctl,
+			(CONFIG_SYS_DV_CLKMODE << PLLCTL_CLOCK_MODE_SHIFT));
+	}
+
+	/* Clear PLLRST bit to reset the PLL */
+	clrbits_le32(&reg->pllctl, PLLCTL_PLLRST);
+
+	/* Disable the PLL output */
+	setbits_le32(&reg->pllctl, PLLCTL_PLLDIS);
+
+	/* PLL initialization sequence */
+	/*
+	 * Power up the PLL- PWRDN bit set to 0 to bring the PLL out of
+	 * power down bit
+	 */
+	clrbits_le32(&reg->pllctl, PLLCTL_PLLPWRDN);
+
+	/* Enable the PLL from Disable Mode PLLDIS bit to 0 */
+	clrbits_le32(&reg->pllctl, PLLCTL_PLLDIS);
+
+#if defined(CONFIG_SYS_DA850_PLL0_PREDIV)
+	/* program the prediv */
+	if (reg == davinci_pllc0_regs && CONFIG_SYS_DA850_PLL0_PREDIV)
+		writel((PLL_DIVEN | CONFIG_SYS_DA850_PLL0_PREDIV),
+			&reg->prediv);
+#endif
+
+	/* Program the required multiplier value in PLLM */
+	writel(pllmult, &reg->pllm);
+
+	/* program the postdiv */
+	if (reg == davinci_pllc0_regs)
+		writel((PLL_POSTDEN | CONFIG_SYS_DA850_PLL0_POSTDIV),
+			&reg->postdiv);
+	else
+		writel((PLL_POSTDEN | CONFIG_SYS_DA850_PLL1_POSTDIV),
+			&reg->postdiv);
+
+	/*
+	 * Check for the GOSTAT bit in PLLSTAT to clear to 0 to indicate that
+	 * no GO operation is currently in progress
+	 */
+	while ((readl(&reg->pllstat) & PLLCMD_GOSTAT) == PLLCMD_GOSTAT)
+		;
+
+	if (reg == davinci_pllc0_regs) {
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV1, &reg->plldiv1);
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV2, &reg->plldiv2);
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV3, &reg->plldiv3);
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV4, &reg->plldiv4);
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV5, &reg->plldiv5);
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV6, &reg->plldiv6);
+		writel(CONFIG_SYS_DA850_PLL0_PLLDIV7, &reg->plldiv7);
+	} else {
+		writel(CONFIG_SYS_DA850_PLL1_PLLDIV1, &reg->plldiv1);
+		writel(CONFIG_SYS_DA850_PLL1_PLLDIV2, &reg->plldiv2);
+		writel(CONFIG_SYS_DA850_PLL1_PLLDIV3, &reg->plldiv3);
+	}
+
+	/*
+	 * Set the GOSET bit in PLLCMD to 1 to initiate a new divider
+	 * transition.
+	 */
+	setbits_le32(&reg->pllcmd, PLLCMD_GOSTAT);
+
+	/*
+	 * Wait for the GOSTAT bit in PLLSTAT to clear to 0
+	 * (completion of phase alignment).
+	 */
+	while ((readl(&reg->pllstat) & PLLCMD_GOSTAT) == PLLCMD_GOSTAT)
+		;
+
+	/* Wait for PLL to reset properly. See PLL spec for PLL reset time */
+	da850_waitloop(200);
+
+	/* Set the PLLRST bit in PLLCTL to 1 to bring the PLL out of reset */
+	setbits_le32(&reg->pllctl, PLLCTL_PLLRST);
+
+	/* Wait for PLL to lock. See PLL spec for PLL lock time */
+	da850_waitloop(2400);
+
+	/*
+	 * Set the PLLEN bit in PLLCTL to 1 to remove the PLL from bypass
+	 * mode
+	 */
+	setbits_le32(&reg->pllctl, PLLCTL_PLLEN);
+
+
+	/*
+	 * clear EMIFA and EMIFB clock source settings, let them
+	 * run off SYSCLK
+	 */
+	if (reg == davinci_pllc0_regs)
+		dv_maskbits(&davinci_syscfg_regs->cfgchip3,
+			~(PLL_SCSCFG3_DIV45PENA | PLL_SCSCFG3_EMA_CLKSRC));
+
+	return 0;
+}
+#endif /* CONFIG_SYS_DA850_PLL_INIT */
+
+#if defined(CONFIG_SYS_DA850_DDR_INIT)
+static int da850_ddr_setup(void)
+{
+	unsigned long	tmp;
+
+	/* Enable the Clock to DDR2/mDDR */
+	lpsc_on(DAVINCI_LPSC_DDR_EMIF);
+
+	tmp = readl(&davinci_syscfg1_regs->vtpio_ctl);
+	if ((tmp & VTP_POWERDWN) == VTP_POWERDWN) {
+		/* Begin VTP Calibration */
+		clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN);
+		clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK);
+		setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ);
+		clrbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ);
+		setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_CLKRZ);
+
+		/* Polling READY bit to see when VTP calibration is done */
+		tmp = readl(&davinci_syscfg1_regs->vtpio_ctl);
+		while ((tmp & VTP_READY) != VTP_READY)
+			tmp = readl(&davinci_syscfg1_regs->vtpio_ctl);
+
+		setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK);
+		setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN);
+	}
+	setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_IOPWRDWN);
+	writel(CONFIG_SYS_DA850_DDR2_DDRPHYCR, &dv_ddr2_regs_ctrl->ddrphycr);
+
+	if (CONFIG_SYS_DA850_DDR2_SDBCR & (1 << DV_DDR_SDCR_DDR2EN_SHIFT)) {
+		/* DDR2 */
+		clrbits_le32(&davinci_syscfg1_regs->ddr_slew,
+			(1 << DDR_SLEW_DDR_PDENA_BIT) |
+			(1 << DDR_SLEW_CMOSEN_BIT));
+	} else {
+		/* MOBILE DDR */
+		setbits_le32(&davinci_syscfg1_regs->ddr_slew,
+			(1 << DDR_SLEW_DDR_PDENA_BIT) |
+			(1 << DDR_SLEW_CMOSEN_BIT));
+	}
+
+	/*
+	 * SDRAM Configuration Register (SDCR):
+	 * First set the BOOTUNLOCK bit to make configuration bits
+	 * writeable.
+	 */
+	setbits_le32(&dv_ddr2_regs_ctrl->sdbcr, DV_DDR_BOOTUNLOCK);
+
+	/*
+	 * Write the new value of these bits and clear BOOTUNLOCK.
+	 * At the same time, set the TIMUNLOCK bit to allow changing
+	 * the timing registers
+	 */
+	tmp = CONFIG_SYS_DA850_DDR2_SDBCR;
+	tmp &= ~DV_DDR_BOOTUNLOCK;
+	tmp |= DV_DDR_TIMUNLOCK;
+	writel(tmp, &dv_ddr2_regs_ctrl->sdbcr);
+
+	/* write memory configuration and timing */
+	if (!(CONFIG_SYS_DA850_DDR2_SDBCR & (1 << DV_DDR_SDCR_DDR2EN_SHIFT))) {
+		/* MOBILE DDR only*/
+		writel(CONFIG_SYS_DA850_DDR2_SDBCR2,
+			&dv_ddr2_regs_ctrl->sdbcr2);
+	}
+	writel(CONFIG_SYS_DA850_DDR2_SDTIMR, &dv_ddr2_regs_ctrl->sdtimr);
+	writel(CONFIG_SYS_DA850_DDR2_SDTIMR2, &dv_ddr2_regs_ctrl->sdtimr2);
+
+	/* clear the TIMUNLOCK bit and write the value of the CL field */
+	tmp &= ~DV_DDR_TIMUNLOCK;
+	writel(tmp, &dv_ddr2_regs_ctrl->sdbcr);
+
+	/*
+	 * LPMODEN and MCLKSTOPEN must be set!
+	 * Without this bits set, PSC don;t switch states !!
+	 */
+	writel(CONFIG_SYS_DA850_DDR2_SDRCR |
+		(1 << DV_DDR_SRCR_LPMODEN_SHIFT) |
+		(1 << DV_DDR_SRCR_MCLKSTOPEN_SHIFT),
+		&dv_ddr2_regs_ctrl->sdrcr);
+
+	/* SyncReset the Clock to EMIF3A SDRAM */
+	lpsc_syncreset(DAVINCI_LPSC_DDR_EMIF);
+	/* Enable the Clock to EMIF3A SDRAM */
+	lpsc_on(DAVINCI_LPSC_DDR_EMIF);
+
+	/* disable self refresh */
+	clrbits_le32(&dv_ddr2_regs_ctrl->sdrcr,
+		DV_DDR_SDRCR_LPMODEN | DV_DDR_SDRCR_MCLKSTOPEN);
+	writel(CONFIG_SYS_DA850_DDR2_PBBPR, &dv_ddr2_regs_ctrl->pbbpr);
+
+	return 0;
+}
+#endif /* CONFIG_SYS_DA850_DDR_INIT */
+
+__attribute__((weak))
+void board_gpio_init(void)
+{
+	return;
+}
+
+int arch_cpu_init(void)
+{
+	/* Unlock kick registers */
+	writel(DV_SYSCFG_KICK0_UNLOCK, &davinci_syscfg_regs->kick0);
+	writel(DV_SYSCFG_KICK1_UNLOCK, &davinci_syscfg_regs->kick1);
+
+	dv_maskbits(&davinci_syscfg_regs->suspsrc,
+		CONFIG_SYS_DA850_SYSCFG_SUSPSRC);
+
+	/* configure pinmux settings */
+	if (davinci_configure_pin_mux_items(pinmuxes, pinmuxes_size))
+		return 1;
+
+#if defined(CONFIG_SYS_DA850_PLL_INIT)
+	/* PLL setup */
+	da850_pll_init(davinci_pllc0_regs, CONFIG_SYS_DA850_PLL0_PLLM);
+	da850_pll_init(davinci_pllc1_regs, CONFIG_SYS_DA850_PLL1_PLLM);
+#endif
+	/* setup CSn config */
+#if defined(CONFIG_SYS_DA850_CS2CFG)
+	writel(CONFIG_SYS_DA850_CS2CFG, &davinci_emif_regs->ab1cr);
+#endif
+#if defined(CONFIG_SYS_DA850_CS3CFG)
+	writel(CONFIG_SYS_DA850_CS3CFG, &davinci_emif_regs->ab2cr);
+#endif
+
+	da8xx_configure_lpsc_items(lpsc, lpsc_size);
+
+	/* GPIO setup */
+	board_gpio_init();
+
+
+	NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM1),
+			CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
+
+	/*
+	 * Fix Power and Emulation Management Register
+	 * see sprufw3a.pdf page 37 Table 24
+	 */
+	writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
+		DAVINCI_UART_PWREMU_MGMT_UTRST),
+#if (CONFIG_SYS_NS16550_COM1 == DAVINCI_UART0_BASE)
+	       &davinci_uart0_ctrl_regs->pwremu_mgmt);
+#else
+	       &davinci_uart2_ctrl_regs->pwremu_mgmt);
+#endif
+
+#if defined(CONFIG_SYS_DA850_DDR_INIT)
+	da850_ddr_setup();
+#endif
+
+	return 0;
+}
diff --git a/arch/arm/mach-davinci/da850_pinmux.c b/arch/arm/mach-davinci/da850_pinmux.c
new file mode 100644
index 0000000000..6105f6390c
--- /dev/null
+++ b/arch/arm/mach-davinci/da850_pinmux.c
@@ -0,0 +1,181 @@
+/*
+ * Pinmux configurations for the DA850 SoCs
+ *
+ * Copyright (C) 2011 OMICRON electronics GmbH
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/davinci_misc.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pinmux_defs.h>
+
+/* SPI pin muxer settings */
+const struct pinmux_config spi1_pins_base[] = {
+	{ pinmux(5), 1, 2 }, /* SPI1_CLK */
+	{ pinmux(5), 1, 4 }, /* SPI1_SOMI */
+	{ pinmux(5), 1, 5 }, /* SPI1_SIMO */
+};
+
+const struct pinmux_config spi1_pins_scs0[] = {
+	{ pinmux(5), 1, 1 }, /* SPI1_SCS[0] */
+};
+
+/* UART pin muxer settings */
+const struct pinmux_config uart0_pins_txrx[] = {
+	{ pinmux(3), 2, 4 }, /* UART0_RXD */
+	{ pinmux(3), 2, 5 }, /* UART0_TXD */
+};
+
+const struct pinmux_config uart0_pins_rtscts[] = {
+	{ pinmux(3), 2, 6 },
+	{ pinmux(3), 2, 7 },
+};
+
+const struct pinmux_config uart1_pins_txrx[] = {
+	{ pinmux(4), 2, 6 }, /* UART1_RXD */
+	{ pinmux(4), 2, 7 }, /* UART1_TXD */
+};
+
+const struct pinmux_config uart2_pins_txrx[] = {
+	{ pinmux(4), 2, 4 }, /* UART2_RXD */
+	{ pinmux(4), 2, 5 }, /* UART2_TXD */
+};
+
+const struct pinmux_config uart2_pins_rtscts[] = {
+	{ pinmux(0), 4, 6 }, /* UART2_RTS */
+	{ pinmux(0), 4, 7 }, /* UART2_CTS */
+};
+
+/* EMAC pin muxer settings*/
+const struct pinmux_config emac_pins_rmii[] = {
+	{ pinmux(14), 8, 2 }, /* RMII_TXD[1] */
+	{ pinmux(14), 8, 3 }, /* RMII_TXD[0] */
+	{ pinmux(14), 8, 4 }, /* RMII_TXEN */
+	{ pinmux(14), 8, 5 }, /* RMII_RXD[1] */
+	{ pinmux(14), 8, 6 }, /* RMII_RXD[0] */
+	{ pinmux(14), 8, 7 }, /* RMII_RXER */
+	{ pinmux(15), 0, 0 }, /* RMII_MHz_50_CLK */
+	{ pinmux(15), 8, 1 }, /* RMII_CRS_DV */
+};
+
+const struct pinmux_config emac_pins_mii[] = {
+	{ pinmux(2), 8, 1 }, /* MII_TXEN */
+	{ pinmux(2), 8, 2 }, /* MII_TXCLK */
+	{ pinmux(2), 8, 3 }, /* MII_COL */
+	{ pinmux(2), 8, 4 }, /* MII_TXD[3] */
+	{ pinmux(2), 8, 5 }, /* MII_TXD[2] */
+	{ pinmux(2), 8, 6 }, /* MII_TXD[1] */
+	{ pinmux(2), 8, 7 }, /* MII_TXD[0] */
+	{ pinmux(3), 8, 0 }, /* MII_RXCLK */
+	{ pinmux(3), 8, 1 }, /* MII_RXDV */
+	{ pinmux(3), 8, 2 }, /* MII_RXER */
+	{ pinmux(3), 8, 3 }, /* MII_CRS */
+	{ pinmux(3), 8, 4 }, /* MII_RXD[3] */
+	{ pinmux(3), 8, 5 }, /* MII_RXD[2] */
+	{ pinmux(3), 8, 6 }, /* MII_RXD[1] */
+	{ pinmux(3), 8, 7 }, /* MII_RXD[0] */
+};
+
+const struct pinmux_config emac_pins_mdio[] = {
+	{ pinmux(4), 8, 0 }, /* MDIO_CLK */
+	{ pinmux(4), 8, 1 }, /* MDIO_D */
+};
+
+/* I2C pin muxer settings */
+const struct pinmux_config i2c0_pins[] = {
+	{ pinmux(4), 2, 2 }, /* I2C0_SCL */
+	{ pinmux(4), 2, 3 }, /* I2C0_SDA */
+};
+
+const struct pinmux_config i2c1_pins[] = {
+	{ pinmux(4), 4, 4 }, /* I2C1_SCL */
+	{ pinmux(4), 4, 5 }, /* I2C1_SDA */
+};
+
+/* EMIFA pin muxer settings */
+const struct pinmux_config emifa_pins_cs2[] = {
+	{ pinmux(7), 1, 0 }, /* EMA_CS2 */
+};
+
+const struct pinmux_config emifa_pins_cs3[] = {
+	{ pinmux(7), 1, 1 }, /* EMA_CS[3] */
+};
+
+const struct pinmux_config emifa_pins_cs4[] = {
+	{ pinmux(7), 1, 2 }, /* EMA_CS[4] */
+};
+
+const struct pinmux_config emifa_pins_nand[] = {
+	{ pinmux(7), 1, 4 },  /* EMA_WE */
+	{ pinmux(7), 1, 5 },  /* EMA_OE */
+	{ pinmux(9), 1, 0 },  /* EMA_D[7] */
+	{ pinmux(9), 1, 1 },  /* EMA_D[6] */
+	{ pinmux(9), 1, 2 },  /* EMA_D[5] */
+	{ pinmux(9), 1, 3 },  /* EMA_D[4] */
+	{ pinmux(9), 1, 4 },  /* EMA_D[3] */
+	{ pinmux(9), 1, 5 },  /* EMA_D[2] */
+	{ pinmux(9), 1, 6 },  /* EMA_D[1] */
+	{ pinmux(9), 1, 7 },  /* EMA_D[0] */
+	{ pinmux(12), 1, 5 }, /* EMA_A[2] */
+	{ pinmux(12), 1, 6 }, /* EMA_A[1] */
+};
+
+/* NOR pin muxer settings */
+const struct pinmux_config emifa_pins_nor[] = {
+	{ pinmux(5), 1, 6 },  /* EMA_BA[1] */
+	{ pinmux(6), 1, 6 },  /* EMA_WAIT[1] */
+	{ pinmux(7), 1, 4 },  /* EMA_WE */
+	{ pinmux(7), 1, 5 },  /* EMA_OE */
+	{ pinmux(8), 1, 0 },  /* EMA_D[15] */
+	{ pinmux(8), 1, 1 },  /* EMA_D[14] */
+	{ pinmux(8), 1, 2 },  /* EMA_D[13] */
+	{ pinmux(8), 1, 3 },  /* EMA_D[12] */
+	{ pinmux(8), 1, 4 },  /* EMA_D[11] */
+	{ pinmux(8), 1, 5 },  /* EMA_D[10] */
+	{ pinmux(8), 1, 6 },  /* EMA_D[9] */
+	{ pinmux(8), 1, 7 },  /* EMA_D[8] */
+	{ pinmux(9), 1, 0 },  /* EMA_D[7] */
+	{ pinmux(9), 1, 1 },  /* EMA_D[6] */
+	{ pinmux(9), 1, 2 },  /* EMA_D[5] */
+	{ pinmux(9), 1, 3 },  /* EMA_D[4] */
+	{ pinmux(9), 1, 4 },  /* EMA_D[3] */
+	{ pinmux(9), 1, 5 },  /* EMA_D[2] */
+	{ pinmux(9), 1, 6 },  /* EMA_D[1] */
+	{ pinmux(9), 1, 7 },  /* EMA_D[0] */
+	{ pinmux(10), 1, 1 }, /* EMA_A[22] */
+	{ pinmux(10), 1, 2 }, /* EMA_A[21] */
+	{ pinmux(10), 1, 3 }, /* EMA_A[20] */
+	{ pinmux(10), 1, 4 }, /* EMA_A[19] */
+	{ pinmux(10), 1, 5 }, /* EMA_A[18] */
+	{ pinmux(10), 1, 6 }, /* EMA_A[17] */
+	{ pinmux(10), 1, 7 }, /* EMA_A[16] */
+	{ pinmux(11), 1, 0 }, /* EMA_A[15] */
+	{ pinmux(11), 1, 1 }, /* EMA_A[14] */
+	{ pinmux(11), 1, 2 }, /* EMA_A[13] */
+	{ pinmux(11), 1, 3 }, /* EMA_A[12] */
+	{ pinmux(11), 1, 4 }, /* EMA_A[11] */
+	{ pinmux(11), 1, 5 }, /* EMA_A[10] */
+	{ pinmux(11), 1, 6 }, /* EMA_A[9] */
+	{ pinmux(11), 1, 7 }, /* EMA_A[8] */
+	{ pinmux(12), 1, 0 }, /* EMA_A[7] */
+	{ pinmux(12), 1, 1 }, /* EMA_A[6] */
+	{ pinmux(12), 1, 2 }, /* EMA_A[5] */
+	{ pinmux(12), 1, 3 }, /* EMA_A[4] */
+	{ pinmux(12), 1, 4 }, /* EMA_A[3] */
+	{ pinmux(12), 1, 5 }, /* EMA_A[2] */
+	{ pinmux(12), 1, 6 }, /* EMA_A[1] */
+	{ pinmux(12), 1, 7 }, /* EMA_A[0] */
+};
+
+/* MMC0 pin muxer settings */
+const struct pinmux_config mmc0_pins[] = {
+	{ pinmux(10), 2, 0 },	/* MMCSD0_CLK */
+	{ pinmux(10), 2, 1 },	/* MMCSD0_CMD */
+	{ pinmux(10), 2, 2 },	/* MMCSD0_DAT_0 */
+	{ pinmux(10), 2, 3 },	/* MMCSD0_DAT_1 */
+	{ pinmux(10), 2, 4 },	/* MMCSD0_DAT_2 */
+	{ pinmux(10), 2, 5 },	/* MMCSD0_DAT_3 */
+	/* DA850 supports only 4-bit mode, remaining pins are not configured */
+};
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
new file mode 100644
index 0000000000..f9550a16d3
--- /dev/null
+++ b/arch/arm/mach-davinci/dm355.c
@@ -0,0 +1,30 @@
+/*
+ * SoC-specific code for tms320dm355 and similar chips
+ *
+ * Copyright (C) 2009 David Brownell
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+
+
+void davinci_enable_uart0(void)
+{
+	lpsc_on(DAVINCI_LPSC_UART0);
+
+	/* Bringup UART0 out of reset */
+	REG(UART0_PWREMU_MGMT) = 0x00006001;
+}
+
+
+#ifdef CONFIG_SYS_I2C_DAVINCI
+void davinci_enable_i2c(void)
+{
+	lpsc_on(DAVINCI_LPSC_I2C);
+
+	/* Enable I2C pin Mux */
+	REG(PINMUX3) |= (1 << 20) | (1 << 19);
+}
+#endif
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
new file mode 100644
index 0000000000..f6ca527e74
--- /dev/null
+++ b/arch/arm/mach-davinci/dm365.c
@@ -0,0 +1,20 @@
+/*
+ * SoC-specific code for tms320dm365 and similar chips
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+
+void davinci_enable_uart0(void)
+{
+	lpsc_on(DAVINCI_LPSC_UART0);
+}
+
+#ifdef CONFIG_SYS_I2C_DAVINCI
+void davinci_enable_i2c(void)
+{
+	lpsc_on(DAVINCI_LPSC_I2C);
+}
+#endif
diff --git a/arch/arm/mach-davinci/dm365_lowlevel.c b/arch/arm/mach-davinci/dm365_lowlevel.c
new file mode 100644
index 0000000000..c8b44988d3
--- /dev/null
+++ b/arch/arm/mach-davinci/dm365_lowlevel.c
@@ -0,0 +1,460 @@
+/*
+ * SoC-specific lowlevel code for tms320dm365 and similar chips
+ * Actually used for booting from NAND with nand_spl.
+ *
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <nand.h>
+#include <ns16550.h>
+#include <post.h>
+#include <asm/ti-common/davinci_nand.h>
+#include <asm/arch/dm365_lowlevel.h>
+#include <asm/arch/hardware.h>
+
+void dm365_waitloop(unsigned long loopcnt)
+{
+	unsigned long	i;
+
+	for (i = 0; i < loopcnt; i++)
+		asm("   NOP");
+}
+
+int dm365_pll1_init(unsigned long pllmult, unsigned long prediv)
+{
+	unsigned int clksrc = 0x0;
+
+	/* Power up the PLL */
+	clrbits_le32(&dv_pll0_regs->pllctl, PLLCTL_PLLPWRDN);
+
+	clrbits_le32(&dv_pll0_regs->pllctl, PLLCTL_RES_9);
+	setbits_le32(&dv_pll0_regs->pllctl,
+		clksrc << PLLCTL_CLOCK_MODE_SHIFT);
+
+	/*
+	 * Set PLLENSRC '0', PLL Enable(PLLEN) selection is controlled
+	 * through MMR
+	 */
+	clrbits_le32(&dv_pll0_regs->pllctl, PLLCTL_PLLENSRC);
+
+	/* Set PLLEN=0 => PLL BYPASS MODE */
+	clrbits_le32(&dv_pll0_regs->pllctl, PLLCTL_PLLEN);
+
+	dm365_waitloop(150);
+
+	 /* PLLRST=1(reset assert) */
+	setbits_le32(&dv_pll0_regs->pllctl, PLLCTL_PLLRST);
+
+	dm365_waitloop(300);
+
+	/*Bring PLL out of Reset*/
+	clrbits_le32(&dv_pll0_regs->pllctl, PLLCTL_PLLRST);
+
+	/* Program the Multiper and Pre-Divider for PLL1 */
+	writel(pllmult, &dv_pll0_regs->pllm);
+	writel(prediv, &dv_pll0_regs->prediv);
+
+	/* Assert TENABLE = 1, TENABLEDIV = 1, TINITZ = 1 */
+	writel(PLLSECCTL_STOPMODE | PLLSECCTL_TENABLEDIV | PLLSECCTL_TENABLE |
+		PLLSECCTL_TINITZ, &dv_pll0_regs->secctl);
+	/* Assert TENABLE = 1, TENABLEDIV = 1, TINITZ = 0 */
+	writel(PLLSECCTL_STOPMODE | PLLSECCTL_TENABLEDIV | PLLSECCTL_TENABLE,
+		&dv_pll0_regs->secctl);
+	/* Assert TENABLE = 0, TENABLEDIV = 0, TINITZ = 0 */
+	writel(PLLSECCTL_STOPMODE, &dv_pll0_regs->secctl);
+	/* Assert TENABLE = 0, TENABLEDIV = 0, TINITZ = 1 */
+	writel(PLLSECCTL_STOPMODE | PLLSECCTL_TINITZ, &dv_pll0_regs->secctl);
+
+	/* Program the PostDiv for PLL1 */
+	writel(PLL_POSTDEN, &dv_pll0_regs->postdiv);
+
+	/* Post divider setting for PLL1 */
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV1, &dv_pll0_regs->plldiv1);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV2, &dv_pll0_regs->plldiv2);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV3, &dv_pll0_regs->plldiv3);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV4, &dv_pll0_regs->plldiv4);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV5, &dv_pll0_regs->plldiv5);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV6, &dv_pll0_regs->plldiv6);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV7, &dv_pll0_regs->plldiv7);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV8, &dv_pll0_regs->plldiv8);
+	writel(CONFIG_SYS_DM36x_PLL1_PLLDIV9, &dv_pll0_regs->plldiv9);
+
+	dm365_waitloop(300);
+
+	/* Set the GOSET bit */
+	writel(PLLCMD_GOSET, &dv_pll0_regs->pllcmd); /* Go */
+
+	dm365_waitloop(300);
+
+	/* Wait for PLL to LOCK */
+	while (!((readl(&dv_sys_module_regs->pll0_config) & PLL0_LOCK)
+		== PLL0_LOCK))
+		;
+
+	/* Enable the PLL Bit of PLLCTL*/
+	setbits_le32(&dv_pll0_regs->pllctl, PLLCTL_PLLEN);
+
+	return 0;
+}
+
+int dm365_pll2_init(unsigned long pllm, unsigned long prediv)
+{
+	unsigned int clksrc = 0x0;
+
+	/* Power up the PLL*/
+	clrbits_le32(&dv_pll1_regs->pllctl, PLLCTL_PLLPWRDN);
+
+	/*
+	 * Select the Clock Mode as Onchip Oscilator or External Clock on
+	 * MXI pin
+	 * VDB has input on MXI pin
+	 */
+	clrbits_le32(&dv_pll1_regs->pllctl, PLLCTL_RES_9);
+	setbits_le32(&dv_pll1_regs->pllctl,
+		clksrc << PLLCTL_CLOCK_MODE_SHIFT);
+
+	/*
+	 * Set PLLENSRC '0', PLL Enable(PLLEN) selection is controlled
+	 * through MMR
+	 */
+	clrbits_le32(&dv_pll1_regs->pllctl, PLLCTL_PLLENSRC);
+
+	/* Set PLLEN=0 => PLL BYPASS MODE */
+	clrbits_le32(&dv_pll1_regs->pllctl, PLLCTL_PLLEN);
+
+	dm365_waitloop(50);
+
+	 /* PLLRST=1(reset assert) */
+	setbits_le32(&dv_pll1_regs->pllctl, PLLCTL_PLLRST);
+
+	dm365_waitloop(300);
+
+	/* Bring PLL out of Reset */
+	clrbits_le32(&dv_pll1_regs->pllctl, PLLCTL_PLLRST);
+
+	/* Program the Multiper and Pre-Divider for PLL2 */
+	writel(pllm, &dv_pll1_regs->pllm);
+	writel(prediv, &dv_pll1_regs->prediv);
+
+	writel(PLL_POSTDEN, &dv_pll1_regs->postdiv);
+
+	/* Assert TENABLE = 1, TENABLEDIV = 1, TINITZ = 1 */
+	writel(PLLSECCTL_STOPMODE | PLLSECCTL_TENABLEDIV | PLLSECCTL_TENABLE |
+		PLLSECCTL_TINITZ, &dv_pll1_regs->secctl);
+	/* Assert TENABLE = 1, TENABLEDIV = 1, TINITZ = 0 */
+	writel(PLLSECCTL_STOPMODE | PLLSECCTL_TENABLEDIV | PLLSECCTL_TENABLE,
+		&dv_pll1_regs->secctl);
+	/* Assert TENABLE = 0, TENABLEDIV = 0, TINITZ = 0 */
+	writel(PLLSECCTL_STOPMODE, &dv_pll1_regs->secctl);
+	/* Assert TENABLE = 0, TENABLEDIV = 0, TINITZ = 1 */
+	writel(PLLSECCTL_STOPMODE | PLLSECCTL_TINITZ, &dv_pll1_regs->secctl);
+
+	/* Post divider setting for PLL2 */
+	writel(CONFIG_SYS_DM36x_PLL2_PLLDIV1, &dv_pll1_regs->plldiv1);
+	writel(CONFIG_SYS_DM36x_PLL2_PLLDIV2, &dv_pll1_regs->plldiv2);
+	writel(CONFIG_SYS_DM36x_PLL2_PLLDIV3, &dv_pll1_regs->plldiv3);
+	writel(CONFIG_SYS_DM36x_PLL2_PLLDIV4, &dv_pll1_regs->plldiv4);
+	writel(CONFIG_SYS_DM36x_PLL2_PLLDIV5, &dv_pll1_regs->plldiv5);
+
+	/* GoCmd for PostDivider to take effect */
+	writel(PLLCMD_GOSET, &dv_pll1_regs->pllcmd);
+
+	dm365_waitloop(150);
+
+	/* Wait for PLL to LOCK */
+	while (!((readl(&dv_sys_module_regs->pll1_config) & PLL1_LOCK)
+		== PLL1_LOCK))
+		;
+
+	dm365_waitloop(4100);
+
+	/* Enable the PLL2 */
+	setbits_le32(&dv_pll1_regs->pllctl, PLLCTL_PLLEN);
+
+	/* do this after PLL's have been set up */
+	writel(CONFIG_SYS_DM36x_PERI_CLK_CTRL,
+		&dv_sys_module_regs->peri_clkctl);
+
+	return 0;
+}
+
+int dm365_ddr_setup(void)
+{
+	lpsc_on(DAVINCI_LPSC_DDR_EMIF);
+	clrbits_le32(&dv_sys_module_regs->vtpiocr,
+		VPTIO_IOPWRDN | VPTIO_CLRZ | VPTIO_LOCK | VPTIO_PWRDN);
+
+	/* Set bit CLRZ (bit 13) */
+	setbits_le32(&dv_sys_module_regs->vtpiocr, VPTIO_CLRZ);
+
+	/* Check VTP READY Status */
+	while (!(readl(&dv_sys_module_regs->vtpiocr) & VPTIO_RDY))
+		;
+
+	/* Set bit VTP_IOPWRDWN bit 14 for DDR input buffers) */
+	setbits_le32(&dv_sys_module_regs->vtpiocr, VPTIO_IOPWRDN);
+
+	/* Set bit LOCK(bit7) */
+	setbits_le32(&dv_sys_module_regs->vtpiocr, VPTIO_LOCK);
+
+	/*
+	 * Powerdown VTP as it is locked (bit 6)
+	 * Set bit VTP_IOPWRDWN bit 14 for DDR input buffers)
+	 */
+	setbits_le32(&dv_sys_module_regs->vtpiocr,
+		VPTIO_IOPWRDN | VPTIO_PWRDN);
+
+	/* Wait for calibration to complete */
+	dm365_waitloop(150);
+
+	/* Set the DDR2 to synreset, then enable it again */
+	lpsc_syncreset(DAVINCI_LPSC_DDR_EMIF);
+	lpsc_on(DAVINCI_LPSC_DDR_EMIF);
+
+	writel(CONFIG_SYS_DM36x_DDR2_DDRPHYCR, &dv_ddr2_regs_ctrl->ddrphycr);
+
+	/* Program SDRAM Bank Config Register */
+	writel((CONFIG_SYS_DM36x_DDR2_SDBCR | DV_DDR_BOOTUNLOCK),
+		&dv_ddr2_regs_ctrl->sdbcr);
+	writel((CONFIG_SYS_DM36x_DDR2_SDBCR | DV_DDR_TIMUNLOCK),
+		&dv_ddr2_regs_ctrl->sdbcr);
+
+	/* Program SDRAM Timing Control Register1 */
+	writel(CONFIG_SYS_DM36x_DDR2_SDTIMR, &dv_ddr2_regs_ctrl->sdtimr);
+	/* Program SDRAM Timing Control Register2 */
+	writel(CONFIG_SYS_DM36x_DDR2_SDTIMR2, &dv_ddr2_regs_ctrl->sdtimr2);
+
+	writel(CONFIG_SYS_DM36x_DDR2_PBBPR, &dv_ddr2_regs_ctrl->pbbpr);
+
+	writel(CONFIG_SYS_DM36x_DDR2_SDBCR, &dv_ddr2_regs_ctrl->sdbcr);
+
+	/* Program SDRAM Refresh Control Register */
+	writel(CONFIG_SYS_DM36x_DDR2_SDRCR, &dv_ddr2_regs_ctrl->sdrcr);
+
+	lpsc_syncreset(DAVINCI_LPSC_DDR_EMIF);
+	lpsc_on(DAVINCI_LPSC_DDR_EMIF);
+
+	return 0;
+}
+
+static void dm365_vpss_sync_reset(void)
+{
+	unsigned int PdNum = 0;
+
+	/* VPSS_CLKMD 1:1 */
+	setbits_le32(&dv_sys_module_regs->vpss_clkctl,
+		VPSS_CLK_CTL_VPSS_CLKMD);
+
+	/* LPSC SyncReset DDR Clock Enable */
+	writel(((readl(&dv_psc_regs->mdctl[DAVINCI_LPSC_VPSSMASTER]) &
+		~PSC_MD_STATE_MSK) | PSC_SYNCRESET),
+		&dv_psc_regs->mdctl[DAVINCI_LPSC_VPSSMASTER]);
+
+	writel((1 << PdNum), &dv_psc_regs->ptcmd);
+
+	while (!(((readl(&dv_psc_regs->ptstat) >> PdNum) & PSC_GOSTAT) == 0))
+		;
+	while (!((readl(&dv_psc_regs->mdstat[DAVINCI_LPSC_VPSSMASTER]) &
+		PSC_MD_STATE_MSK) == PSC_SYNCRESET))
+		;
+}
+
+static void dm365_por_reset(void)
+{
+	struct davinci_timer *wdog =
+		(struct davinci_timer *)DAVINCI_WDOG_BASE;
+
+	if (readl(&dv_pll0_regs->rstype) &
+		(PLL_RSTYPE_POR | PLL_RSTYPE_XWRST)) {
+		dm365_vpss_sync_reset();
+
+		writel(DV_TMPBUF_VAL, TMPBUF);
+		setbits_le32(TMPSTATUS, FLAG_PORRST);
+		writel(DV_WDT_ENABLE_SYS_RESET, &wdog->na1);
+		writel(DV_WDT_TRIGGER_SYS_RESET, &wdog->na2);
+
+		while (1);
+	}
+}
+
+static void dm365_wdt_reset(void)
+{
+	struct davinci_timer *wdog =
+		(struct davinci_timer *)DAVINCI_WDOG_BASE;
+
+	if (readl(TMPBUF) != DV_TMPBUF_VAL) {
+		writel(DV_TMPBUF_VAL, TMPBUF);
+		setbits_le32(TMPSTATUS, FLAG_PORRST);
+		setbits_le32(TMPSTATUS, FLAG_FLGOFF);
+
+		dm365_waitloop(100);
+
+		dm365_vpss_sync_reset();
+
+		writel(DV_WDT_ENABLE_SYS_RESET, &wdog->na1);
+		writel(DV_WDT_TRIGGER_SYS_RESET, &wdog->na2);
+
+		while (1);
+	}
+}
+
+static void dm365_wdt_flag_on(void)
+{
+	/* VPSS_CLKMD 1:2 */
+	clrbits_le32(&dv_sys_module_regs->vpss_clkctl,
+		VPSS_CLK_CTL_VPSS_CLKMD);
+	writel(0, TMPBUF);
+	setbits_le32(TMPSTATUS, FLAG_FLGON);
+}
+
+void dm365_psc_init(void)
+{
+	unsigned char i = 0;
+	unsigned char lpsc_start;
+	unsigned char lpsc_end, lpscgroup, lpscmin, lpscmax;
+	unsigned int  PdNum = 0;
+
+	lpscmin = 0;
+	lpscmax = 2;
+
+	for (lpscgroup = lpscmin; lpscgroup <= lpscmax; lpscgroup++) {
+		if (lpscgroup == 0) {
+			/* Enabling LPSC 3 to 28 SCR first */
+			lpsc_start = DAVINCI_LPSC_VPSSMSTR;
+			lpsc_end   = DAVINCI_LPSC_TIMER1;
+		} else if (lpscgroup == 1) { /* Skip locked LPSCs [29-37] */
+			lpsc_start = DAVINCI_LPSC_CFG5;
+			lpsc_end   = DAVINCI_LPSC_VPSSMASTER;
+		} else {
+			lpsc_start = DAVINCI_LPSC_MJCP;
+			lpsc_end   = DAVINCI_LPSC_HDVICP;
+		}
+
+		/* NEXT=0x3, Enable LPSC's */
+		for (i = lpsc_start; i <= lpsc_end; i++)
+			setbits_le32(&dv_psc_regs->mdctl[i], PSC_ENABLE);
+
+		/*
+		 * Program goctl to start transition sequence for LPSCs
+		 * CSL_PSC_0_REGS->PTCMD = (1<<PdNum); Kick off Power
+		 * Domain 0 Modules
+		 */
+		writel((1 << PdNum), &dv_psc_regs->ptcmd);
+
+		/*
+		 * Wait for GOSTAT = NO TRANSITION from PSC for Powerdomain 0
+		 */
+		while (!(((readl(&dv_psc_regs->ptstat) >> PdNum) & PSC_GOSTAT)
+			== 0))
+			;
+
+		/* Wait for MODSTAT = ENABLE from LPSC's */
+		for (i = lpsc_start; i <= lpsc_end; i++)
+			while (!((readl(&dv_psc_regs->mdstat[i]) &
+				PSC_MD_STATE_MSK) == PSC_ENABLE))
+				;
+	}
+}
+
+static void dm365_emif_init(void)
+{
+	writel(CONFIG_SYS_DM36x_AWCCR, &davinci_emif_regs->awccr);
+	writel(CONFIG_SYS_DM36x_AB1CR, &davinci_emif_regs->ab1cr);
+
+	setbits_le32(&davinci_emif_regs->nandfcr, DAVINCI_NANDFCR_CS2NAND);
+
+	writel(CONFIG_SYS_DM36x_AB2CR, &davinci_emif_regs->ab2cr);
+
+	return;
+}
+
+void dm365_pinmux_ctl(unsigned long offset, unsigned long mask,
+	unsigned long value)
+{
+	clrbits_le32(&dv_sys_module_regs->pinmux[offset], mask);
+	setbits_le32(&dv_sys_module_regs->pinmux[offset], (mask & value));
+}
+
+__attribute__((weak))
+void board_gpio_init(void)
+{
+	return;
+}
+
+#if defined(CONFIG_POST)
+int post_log(char *format, ...)
+{
+	return 0;
+}
+#endif
+
+void dm36x_lowlevel_init(ulong bootflag)
+{
+	struct davinci_uart_ctrl_regs *davinci_uart_ctrl_regs =
+		(struct davinci_uart_ctrl_regs *)(CONFIG_SYS_NS16550_COM1 +
+		DAVINCI_UART_CTRL_BASE);
+
+	/* Mask all interrupts */
+	writel(DV_AINTC_INTCTL_IDMODE, &dv_aintc_regs->intctl);
+	writel(0x0, &dv_aintc_regs->eabase);
+	writel(0x0, &dv_aintc_regs->eint0);
+	writel(0x0, &dv_aintc_regs->eint1);
+
+	/* Clear all interrupts */
+	writel(0xffffffff, &dv_aintc_regs->fiq0);
+	writel(0xffffffff, &dv_aintc_regs->fiq1);
+	writel(0xffffffff, &dv_aintc_regs->irq0);
+	writel(0xffffffff, &dv_aintc_regs->irq1);
+
+	dm365_por_reset();
+	dm365_wdt_reset();
+
+	/* System PSC setup - enable all */
+	dm365_psc_init();
+
+	/* Setup Pinmux */
+	dm365_pinmux_ctl(0, 0xFFFFFFFF, CONFIG_SYS_DM36x_PINMUX0);
+	dm365_pinmux_ctl(1, 0xFFFFFFFF, CONFIG_SYS_DM36x_PINMUX1);
+	dm365_pinmux_ctl(2, 0xFFFFFFFF, CONFIG_SYS_DM36x_PINMUX2);
+	dm365_pinmux_ctl(3, 0xFFFFFFFF, CONFIG_SYS_DM36x_PINMUX3);
+	dm365_pinmux_ctl(4, 0xFFFFFFFF, CONFIG_SYS_DM36x_PINMUX4);
+
+	/* PLL setup */
+	dm365_pll1_init(CONFIG_SYS_DM36x_PLL1_PLLM,
+		CONFIG_SYS_DM36x_PLL1_PREDIV);
+	dm365_pll2_init(CONFIG_SYS_DM36x_PLL2_PLLM,
+		CONFIG_SYS_DM36x_PLL2_PREDIV);
+
+	/* GPIO setup */
+	board_gpio_init();
+
+	NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM1),
+			CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
+
+	/*
+	 * Fix Power and Emulation Management Register
+	 * see sprufh2.pdf page 38 Table 22
+	 */
+	writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
+		DAVINCI_UART_PWREMU_MGMT_UTRST),
+	       &davinci_uart_ctrl_regs->pwremu_mgmt);
+
+	puts("ddr init\n");
+	dm365_ddr_setup();
+
+	puts("emif init\n");
+	dm365_emif_init();
+
+	dm365_wdt_flag_on();
+
+#if defined(CONFIG_POST)
+	/*
+	 * Do memory tests, calls arch_memory_failure_handle()
+	 * if error detected.
+	 */
+	memory_post_test(0);
+#endif
+}
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
new file mode 100644
index 0000000000..c58e271e28
--- /dev/null
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -0,0 +1,81 @@
+/*
+ * SoC-specific code for tms320dm644x chips
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+ * Copyright (C) 2004 Texas Instruments.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+
+
+#define PINMUX0_EMACEN (1 << 31)
+#define PINMUX0_AECS5  (1 << 11)
+#define PINMUX0_AECS4  (1 << 10)
+
+#define PINMUX1_I2C    (1 <<  7)
+#define PINMUX1_UART1  (1 <<  1)
+#define PINMUX1_UART0  (1 <<  0)
+
+
+void davinci_enable_uart0(void)
+{
+	lpsc_on(DAVINCI_LPSC_UART0);
+
+	/* Bringup UART0 out of reset */
+	REG(UART0_PWREMU_MGMT) = 0x00006001;
+
+	/* Enable UART0 MUX lines */
+	REG(PINMUX1) |= PINMUX1_UART0;
+}
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+void davinci_enable_emac(void)
+{
+	lpsc_on(DAVINCI_LPSC_EMAC);
+	lpsc_on(DAVINCI_LPSC_EMAC_WRAPPER);
+	lpsc_on(DAVINCI_LPSC_MDIO);
+
+	/* Enable GIO3.3V cells used for EMAC */
+	REG(VDD3P3V_PWDN) = 0;
+
+	/* Enable EMAC. */
+	REG(PINMUX0) |= PINMUX0_EMACEN;
+}
+#endif
+
+#ifdef CONFIG_SYS_I2C_DAVINCI
+void davinci_enable_i2c(void)
+{
+	lpsc_on(DAVINCI_LPSC_I2C);
+
+	/* Enable I2C pin Mux */
+	REG(PINMUX1) |= PINMUX1_I2C;
+}
+#endif
+
+void davinci_errata_workarounds(void)
+{
+	/*
+	 * Workaround for TMS320DM6446 errata 1.3.22:
+	 *   PSC: PTSTAT Register Does Not Clear After Warm/Maximum Reset
+	 *   Revision(s) Affected: 1.3 and earlier
+	 */
+	REG(PSC_SILVER_BULLET) = 0;
+
+	/*
+	 * Set the PR_OLD_COUNT bits in the Bus Burst Priority Register (PBBPR)
+	 * as suggested in TMS320DM6446 errata 2.1.2:
+	 *
+	 * On DM6446 Silicon Revision 2.1 and earlier, under certain conditions
+	 * low priority modules can occupy the bus and prevent high priority
+	 * modules like the VPSS from getting the required DDR2 throughput.
+	 * A hex value of 0x20 should provide a good ARM (cache enabled)
+	 * performance and still allow good utilization by the VPSS or other
+	 * modules.
+	 */
+	REG(VBPR) = 0x20;
+}
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
new file mode 100644
index 0000000000..cfea8300de
--- /dev/null
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -0,0 +1,26 @@
+/*
+ * SoC-specific code for TMS320DM646x chips
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/arch/hardware.h>
+
+void davinci_enable_uart0(void)
+{
+	lpsc_on(DAVINCI_DM646X_LPSC_UART0);
+}
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+void davinci_enable_emac(void)
+{
+	lpsc_on(DAVINCI_DM646X_LPSC_EMAC);
+}
+#endif
+
+#ifdef CONFIG_SYS_I2C_DAVINCI
+void davinci_enable_i2c(void)
+{
+	lpsc_on(DAVINCI_DM646X_LPSC_I2C);
+}
+#endif
diff --git a/arch/arm/mach-davinci/dp83848.c b/arch/arm/mach-davinci/dp83848.c
new file mode 100644
index 0000000000..6387e956b2
--- /dev/null
+++ b/arch/arm/mach-davinci/dp83848.c
@@ -0,0 +1,128 @@
+/*
+ * National Semiconductor DP83848 PHY Driver for TI DaVinci
+ * (TMS320DM644x) based boards.
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * --------------------------------------------------------
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <net.h>
+#include <dp83848.h>
+#include <asm/arch/emac_defs.h>
+#include "../../../drivers/net/davinci_emac.h"
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+
+#ifdef CONFIG_CMD_NET
+
+int dp83848_is_phy_connected(int phy_addr)
+{
+	u_int16_t	id1, id2;
+
+	if (!davinci_eth_phy_read(phy_addr, DP83848_PHYID1_REG, &id1))
+		return(0);
+	if (!davinci_eth_phy_read(phy_addr, DP83848_PHYID2_REG, &id2))
+		return(0);
+
+	if ((id1 == DP83848_PHYID1_OUI) && (id2 == DP83848_PHYID2_OUI))
+		return(1);
+
+	return(0);
+}
+
+int dp83848_get_link_speed(int phy_addr)
+{
+	u_int16_t		tmp;
+	volatile emac_regs*	emac = (emac_regs *)EMAC_BASE_ADDR;
+
+	if (!davinci_eth_phy_read(phy_addr, DP83848_STAT_REG, &tmp))
+		return(0);
+
+	if (!(tmp & DP83848_LINK_STATUS))	/* link up? */
+		return(0);
+
+	if (!davinci_eth_phy_read(phy_addr, DP83848_PHY_STAT_REG, &tmp))
+		return(0);
+
+	/* Speed doesn't matter, there is no setting for it in EMAC... */
+	if (tmp & DP83848_DUPLEX) {
+		/* set DM644x EMAC for Full Duplex  */
+		emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE |
+			EMAC_MACCONTROL_FULLDUPLEX_ENABLE;
+	} else {
+		/*set DM644x EMAC for Half Duplex  */
+		emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE;
+	}
+
+	return(1);
+}
+
+
+int dp83848_init_phy(int phy_addr)
+{
+	int	ret = 1;
+
+	if (!dp83848_get_link_speed(phy_addr)) {
+		/* Try another time */
+		udelay(100000);
+		ret = dp83848_get_link_speed(phy_addr);
+	}
+
+	/* Disable PHY Interrupts */
+	davinci_eth_phy_write(phy_addr, DP83848_PHY_INTR_CTRL_REG, 0);
+
+	return(ret);
+}
+
+
+int dp83848_auto_negotiate(int phy_addr)
+{
+	u_int16_t	tmp;
+
+
+	if (!davinci_eth_phy_read(phy_addr, DP83848_CTL_REG, &tmp))
+		return(0);
+
+	/* Restart Auto_negotiation  */
+	tmp &= ~DP83848_AUTONEG;	/* remove autonegotiation enable */
+	tmp |= DP83848_ISOLATE;		/* Electrically isolate PHY */
+	davinci_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp);
+
+	/* Set the Auto_negotiation Advertisement Register
+	 * MII advertising for Next page, 100BaseTxFD and HD,
+	 * 10BaseTFD and HD, IEEE 802.3
+	 */
+	tmp = DP83848_NP | DP83848_TX_FDX | DP83848_TX_HDX |
+		DP83848_10_FDX | DP83848_10_HDX | DP83848_AN_IEEE_802_3;
+	davinci_eth_phy_write(phy_addr, DP83848_ANA_REG, tmp);
+
+
+	/* Read Control Register */
+	if (!davinci_eth_phy_read(phy_addr, DP83848_CTL_REG, &tmp))
+		return(0);
+
+	tmp |= DP83848_SPEED_SELECT | DP83848_AUTONEG | DP83848_DUPLEX_MODE;
+	davinci_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp);
+
+	/* Restart Auto_negotiation  */
+	tmp |= DP83848_RESTART_AUTONEG;
+	davinci_eth_phy_write(phy_addr, DP83848_CTL_REG, tmp);
+
+	/*check AutoNegotiate complete */
+	udelay(10000);
+	if (!davinci_eth_phy_read(phy_addr, DP83848_STAT_REG, &tmp))
+		return(0);
+
+	if (!(tmp & DP83848_AUTONEG_COMP))
+		return(0);
+
+	return (dp83848_get_link_speed(phy_addr));
+}
+
+#endif	/* CONFIG_CMD_NET */
+
+#endif	/* CONFIG_DRIVER_ETHER */
diff --git a/arch/arm/mach-davinci/et1011c.c b/arch/arm/mach-davinci/et1011c.c
new file mode 100644
index 0000000000..151020d45a
--- /dev/null
+++ b/arch/arm/mach-davinci/et1011c.c
@@ -0,0 +1,42 @@
+/*
+ * LSI ET1011C PHY Driver for TI DaVinci(TMS320DM6467) board.
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <net.h>
+#include <miiphy.h>
+#include <asm/arch/emac_defs.h>
+#include "../../../drivers/net/davinci_emac.h"
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+
+#ifdef CONFIG_CMD_NET
+
+/* LSI PHYSICAL LAYER TRANSCEIVER ET1011C */
+
+#define MII_PHY_CONFIG_REG		22
+
+/* PHY Config bits */
+#define PHY_SYS_CLK_EN			(1 << 4)
+
+int et1011c_get_link_speed(int phy_addr)
+{
+	u_int16_t	data;
+
+	if (davinci_eth_phy_read(phy_addr, MII_STATUS_REG, &data) && (data & 0x04)) {
+		davinci_eth_phy_read(phy_addr, MII_PHY_CONFIG_REG, &data);
+		/* Enable 125MHz clock sourced from PHY */
+		davinci_eth_phy_write(phy_addr, MII_PHY_CONFIG_REG,
+			data | PHY_SYS_CLK_EN);
+		return (1);
+	}
+	return (0);
+}
+
+#endif	/* CONFIG_CMD_NET */
+
+#endif	/* CONFIG_DRIVER_ETHER */
diff --git a/arch/arm/mach-davinci/ksz8873.c b/arch/arm/mach-davinci/ksz8873.c
new file mode 100644
index 0000000000..75af13538d
--- /dev/null
+++ b/arch/arm/mach-davinci/ksz8873.c
@@ -0,0 +1,53 @@
+/*
+ * Micrel KSZ8873 PHY Driver for TI DaVinci
+ * (TMS320DM644x) based boards.
+ *
+ * Copyright (C) 2011 Heiko Schocher <hsdenx.de>
+ *
+ * based on:
+ * National Semiconductor DP83848 PHY Driver for TI DaVinci
+ * (TMS320DM644x) based boards.
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * --------------------------------------------------------
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <net.h>
+#include <asm/arch/emac_defs.h>
+#include <asm/io.h>
+#include "../../../drivers/net/davinci_emac.h"
+
+int ksz8873_is_phy_connected(int phy_addr)
+{
+	u_int16_t	dummy;
+
+	return davinci_eth_phy_read(phy_addr, MII_PHYSID1, &dummy);
+}
+
+int ksz8873_get_link_speed(int phy_addr)
+{
+	emac_regs *emac = (emac_regs *)EMAC_BASE_ADDR;
+
+	/* we always have a link to the switch, 100 FD */
+	writel((EMAC_MACCONTROL_MIIEN_ENABLE |
+		EMAC_MACCONTROL_FULLDUPLEX_ENABLE),
+	       &emac->MACCONTROL);
+	return 1;
+}
+
+
+int ksz8873_init_phy(int phy_addr)
+{
+	return 1;
+}
+
+
+int ksz8873_auto_negotiate(int phy_addr)
+{
+	return dp83848_get_link_speed(phy_addr);
+}
diff --git a/arch/arm/mach-davinci/lowlevel_init.S b/arch/arm/mach-davinci/lowlevel_init.S
new file mode 100644
index 0000000000..e91623497c
--- /dev/null
+++ b/arch/arm/mach-davinci/lowlevel_init.S
@@ -0,0 +1,693 @@
+/*
+ * Low-level board setup code for TI DaVinci SoC based boards.
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * Partially based on TI sources, original copyrights follow:
+ */
+
+/*
+ * Board specific setup info
+ *
+ * (C) Copyright 2003
+ * Texas Instruments, <www.ti.com>
+ * Kshitij Gupta <Kshitij@ti.com>
+ *
+ * Modified for OMAP 1610 H2 board by Nishant Kamat, Jan 2004
+ *
+ * Modified for OMAP 5912 OSK board by Rishi Bhattacharya, Apr 2004
+ *
+ * Modified for DV-EVM board by Rishi Bhattacharya, Apr 2005
+ *
+ * Modified for DV-EVM board by Swaminathan S, Nov 2005
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <config.h>
+
+#define MDSTAT_STATE	0x3f
+
+.globl	lowlevel_init
+lowlevel_init:
+#ifdef CONFIG_SOC_DM644X
+
+	/*-------------------------------------------------------*
+	 * Mask all IRQs by setting all bits in the EINT default *
+	 *-------------------------------------------------------*/
+	mov	r1, $0
+	ldr	r0, =EINT_ENABLE0
+	str	r1, [r0]
+	ldr	r0, =EINT_ENABLE1
+	str	r1, [r0]
+
+	/*------------------------------------------------------*
+	 * Put the GEM in reset					*
+	 *------------------------------------------------------*/
+
+	/* Put the GEM in reset */
+	ldr	r8, PSC_GEM_FLAG_CLEAR
+	ldr	r6, MDCTL_GEM
+	ldr	r7, [r6]
+	and	r7, r7, r8
+	str	r7, [r6]
+
+	/* Enable the Power Domain Transition Command */
+	ldr	r6, PTCMD
+	ldr	r7, [r6]
+	orr	r7, r7, $0x02
+	str	r7, [r6]
+
+	/* Check for Transition Complete(PTSTAT) */
+checkStatClkStopGem:
+	ldr	r6, PTSTAT
+	ldr	r7, [r6]
+	ands	r7, r7, $0x02
+	bne	checkStatClkStopGem
+
+	/* Check for GEM Reset Completion */
+checkGemStatClkStop:
+	ldr	r6, MDSTAT_GEM
+	ldr	r7, [r6]
+	ands	r7, r7, $0x100
+	bne	checkGemStatClkStop
+
+	/* Do this for enabling a WDT initiated reset this is a workaround
+	   for a chip bug.  Not required under normal situations */
+	ldr	r6, P1394
+	mov	r10, $0
+	str	r10, [r6]
+
+	/*------------------------------------------------------*
+	 * Enable L1 & L2 Memories in Fast mode                 *
+	 *------------------------------------------------------*/
+	ldr	r6, DFT_ENABLE
+	mov	r10, $0x01
+	str	r10, [r6]
+
+	ldr	r6, MMARG_BRF0
+	ldr	r10, MMARG_BRF0_VAL
+	str	r10, [r6]
+
+	ldr	r6, DFT_ENABLE
+	mov	r10, $0
+	str	r10, [r6]
+
+	/*------------------------------------------------------*
+	 * DDR2 PLL Initialization				*
+	 *------------------------------------------------------*/
+
+	/* Select the Clock Mode Depending on the Value written in the Boot Table by the run script */
+	mov	r10, $0
+	ldr	r6, PLL2_CTL
+	ldr	r7, PLL_CLKSRC_MASK
+	ldr	r8, [r6]
+	and	r8, r8, r7
+	mov	r9, r10, lsl $8
+	orr	r8, r8, r9
+	str	r8, [r6]
+
+	/* Select the PLLEN source */
+	ldr	r7, PLL_ENSRC_MASK
+	and	r8, r8, r7
+	str	r8, [r6]
+
+	/* Bypass the PLL */
+	ldr	r7, PLL_BYPASS_MASK
+	and	r8, r8, r7
+	str	r8, [r6]
+
+	/* Wait for few cycles to allow PLLEN Mux switch properly to bypass Clock */
+	mov	r10, $0x20
+WaitPPL2Loop:
+	subs	r10, r10, $1
+	bne	WaitPPL2Loop
+
+	/* Reset the PLL */
+	ldr	r7, PLL_RESET_MASK
+	and	r8, r8, r7
+	str	r8, [r6]
+
+	/* Power up the PLL */
+	ldr	r7, PLL_PWRUP_MASK
+	and	r8, r8, r7
+	str	r8, [r6]
+
+	/* Enable the PLL from Disable Mode */
+	ldr	r7, PLL_DISABLE_ENABLE_MASK
+	and	r8, r8, r7
+	str	r8, [r6]
+
+	/* Program the PLL Multiplier */
+	ldr	r6, PLL2_PLLM
+	mov	r2, $0x17	/* 162 MHz */
+	str	r2, [r6]
+
+	/* Program the PLL2 Divisor Value */
+	ldr	r6, PLL2_DIV2
+	mov	r3, $0x01
+	str	r3, [r6]
+
+	/* Program the PLL2 Divisor Value */
+	ldr	r6, PLL2_DIV1
+	mov	r4, $0x0b	/* 54 MHz */
+	str	r4, [r6]
+
+	/* PLL2 DIV2 MMR */
+	ldr	r8, PLL2_DIV_MASK
+	ldr	r6, PLL2_DIV2
+	ldr	r9, [r6]
+	and	r8, r8, r9
+	mov	r9, $0x01
+	mov	r9, r9, lsl $15
+	orr	r8, r8, r9
+	str	r8, [r6]
+
+	/* Program the GOSET bit to take new divider values */
+	ldr	r6, PLL2_PLLCMD
+	ldr	r7, [r6]
+	orr	r7, r7, $0x01
+	str	r7, [r6]
+
+	/* Wait for Done */
+	ldr	r6, PLL2_PLLSTAT
+doneLoop_0:
+	ldr	r7, [r6]
+	ands	r7, r7, $0x01
+	bne	doneLoop_0
+
+	/* PLL2 DIV1 MMR */
+	ldr	r8, PLL2_DIV_MASK
+	ldr	r6, PLL2_DIV1
+	ldr	r9, [r6]
+	and	r8, r8, r9
+	mov	r9, $0x01
+	mov	r9, r9, lsl $15
+	orr	r8, r8, r9
+	str	r8, [r6]
+
+	/* Program the GOSET bit to take new divider values */
+	ldr	r6, PLL2_PLLCMD
+	ldr	r7, [r6]
+	orr	r7, r7, $0x01
+	str	r7, [r6]
+
+	/* Wait for Done */
+	ldr	r6, PLL2_PLLSTAT
+doneLoop:
+	ldr	r7, [r6]
+	ands	r7, r7, $0x01
+	bne	doneLoop
+
+	/* Wait for PLL to Reset Properly */
+	mov	r10, $0x218
+ResetPPL2Loop:
+	subs	r10, r10, $1
+	bne	ResetPPL2Loop
+
+	/* Bring PLL out of Reset */
+	ldr	r6, PLL2_CTL
+	ldr	r8, [r6]
+	orr	r8, r8, $0x08
+	str	r8, [r6]
+
+	/* Wait for PLL to Lock */
+	ldr	r10, PLL_LOCK_COUNT
+PLL2Lock:
+	subs	r10, r10, $1
+	bne	PLL2Lock
+
+	/* Enable the PLL */
+	ldr	r6, PLL2_CTL
+	ldr	r8, [r6]
+	orr	r8, r8, $0x01
+	str	r8, [r6]
+
+	/*------------------------------------------------------*
+	 * Issue Soft Reset to DDR Module			*
+	 *------------------------------------------------------*/
+
+	/* Shut down the DDR2 LPSC Module */
+	ldr	r8, PSC_FLAG_CLEAR
+	ldr	r6, MDCTL_DDR2
+	ldr	r7, [r6]
+	and	r7, r7, r8
+	orr	r7, r7, $0x03
+	str	r7, [r6]
+
+	/* Enable the Power Domain Transition Command */
+	ldr	r6, PTCMD
+	ldr	r7, [r6]
+	orr	r7, r7, $0x01
+	str	r7, [r6]
+
+	/* Check for Transition Complete(PTSTAT) */
+checkStatClkStop:
+	ldr	r6, PTSTAT
+	ldr	r7, [r6]
+	ands	r7, r7, $0x01
+	bne	checkStatClkStop
+
+	/* Check for DDR2 Controller Enable Completion */
+checkDDRStatClkStop:
+	ldr	r6, MDSTAT_DDR2
+	ldr	r7, [r6]
+	and	r7, r7, $MDSTAT_STATE
+	cmp	r7, $0x03
+	bne	checkDDRStatClkStop
+
+	/*------------------------------------------------------*
+	 * Program DDR2 MMRs for 162MHz Setting			*
+	 *------------------------------------------------------*/
+
+	/* Program PHY Control Register */
+	ldr	r6, DDRCTL
+	ldr	r7, DDRCTL_VAL
+	str	r7, [r6]
+
+	/* Program SDRAM Bank Config Register */
+	ldr	r6, SDCFG
+	ldr	r7, SDCFG_VAL
+	str	r7, [r6]
+
+	/* Program SDRAM TIM-0 Config Register */
+	ldr	r6, SDTIM0
+	ldr	r7, SDTIM0_VAL_162MHz
+	str	r7, [r6]
+
+	/* Program SDRAM TIM-1 Config Register */
+	ldr	r6, SDTIM1
+	ldr	r7, SDTIM1_VAL_162MHz
+	str	r7, [r6]
+
+	/* Program the SDRAM Bank Config Control Register */
+	ldr	r10, MASK_VAL
+	ldr	r8, SDCFG
+	ldr	r9, SDCFG_VAL
+	and	r9, r9, r10
+	str	r9, [r8]
+
+	/* Program SDRAM SDREF Config Register */
+	ldr	r6, SDREF
+	ldr	r7, SDREF_VAL
+	str	r7, [r6]
+
+	/*------------------------------------------------------*
+	 * Issue Soft Reset to DDR Module			*
+	 *------------------------------------------------------*/
+
+	/* Issue a Dummy DDR2 read/write */
+	ldr	r8, DDR2_START_ADDR
+	ldr	r7, DUMMY_VAL
+	str	r7, [r8]
+	ldr	r7, [r8]
+
+	/* Shut down the DDR2 LPSC Module */
+	ldr	r8, PSC_FLAG_CLEAR
+	ldr	r6, MDCTL_DDR2
+	ldr	r7, [r6]
+	and	r7, r7, r8
+	orr	r7, r7, $0x01
+	str	r7, [r6]
+
+	/* Enable the Power Domain Transition Command */
+	ldr	r6, PTCMD
+	ldr	r7, [r6]
+	orr	r7, r7, $0x01
+	str	r7, [r6]
+
+	/* Check for Transition Complete(PTSTAT) */
+checkStatClkStop2:
+	ldr	r6, PTSTAT
+	ldr	r7, [r6]
+	ands	r7, r7, $0x01
+	bne	checkStatClkStop2
+
+	/* Check for DDR2 Controller Enable Completion */
+checkDDRStatClkStop2:
+	ldr	r6, MDSTAT_DDR2
+	ldr	r7, [r6]
+	and	r7, r7, $MDSTAT_STATE
+	cmp	r7, $0x01
+	bne	checkDDRStatClkStop2
+
+	/*------------------------------------------------------*
+	 * Turn DDR2 Controller Clocks On			*
+	 *------------------------------------------------------*/
+
+	/* Enable the DDR2 LPSC Module */
+	ldr	r6, MDCTL_DDR2
+	ldr	r7, [r6]
+	orr	r7, r7, $0x03
+	str	r7, [r6]
+
+	/* Enable the Power Domain Transition Command */
+	ldr	r6, PTCMD
+	ldr	r7, [r6]
+	orr	r7, r7, $0x01
+	str	r7, [r6]
+
+	/* Check for Transition Complete(PTSTAT) */
+checkStatClkEn2:
+	ldr	r6, PTSTAT
+	ldr	r7, [r6]
+	ands	r7, r7, $0x01
+	bne	checkStatClkEn2
+
+	/* Check for DDR2 Controller Enable Completion */
+checkDDRStatClkEn2:
+	ldr	r6, MDSTAT_DDR2
+	ldr	r7, [r6]
+	and	r7, r7, $MDSTAT_STATE
+	cmp	r7, $0x03
+	bne	checkDDRStatClkEn2
+
+	/*  DDR Writes and Reads */
+	ldr	r6, CFGTEST
+	mov	r3, $0x01
+	str	r3, [r6]
+
+	/*------------------------------------------------------*
+	 * System PLL Initialization				*
+	 *------------------------------------------------------*/
+
+	/* Select the Clock Mode Depending on the Value written in the Boot Table by the run script */
+	mov	r2, $0
+	ldr	r6, PLL1_CTL
+	ldr	r7, PLL_CLKSRC_MASK
+	ldr	r8, [r6]
+	and	r8, r8, r7
+	mov	r9, r2, lsl $8
+	orr	r8, r8, r9
+	str	r8, [r6]
+
+	/* Select the PLLEN source */
+	ldr	r7, PLL_ENSRC_MASK
+	and	r8, r8, r7
+	str	r8, [r6]
+
+	/* Bypass the PLL */
+	ldr	r7, PLL_BYPASS_MASK
+	and	r8, r8, r7
+	str	r8, [r6]
+
+	/* Wait for few cycles to allow PLLEN Mux switch properly to bypass Clock */
+	mov	r10, $0x20
+
+WaitLoop:
+	subs	r10, r10, $1
+	bne	WaitLoop
+
+	/* Reset the PLL */
+	ldr	r7, PLL_RESET_MASK
+	and	r8, r8, r7
+	str	r8, [r6]
+
+	/* Disable the PLL */
+	orr	r8, r8, $0x10
+	str	r8, [r6]
+
+	/* Power up the PLL */
+	ldr	r7, PLL_PWRUP_MASK
+	and	r8, r8, r7
+	str	r8, [r6]
+
+	/* Enable the PLL from Disable Mode */
+	ldr	r7, PLL_DISABLE_ENABLE_MASK
+	and	r8, r8, r7
+	str	r8, [r6]
+
+	/* Program the PLL Multiplier */
+	ldr	r6, PLL1_PLLM
+	mov	r3, $0x15	/* For 594MHz */
+	str	r3, [r6]
+
+	/* Wait for PLL to Reset Properly */
+	mov	r10, $0xff
+
+ResetLoop:
+	subs	r10, r10, $1
+	bne	ResetLoop
+
+	/* Bring PLL out of Reset */
+	ldr	r6, PLL1_CTL
+	orr	r8, r8, $0x08
+	str	r8, [r6]
+
+	/* Wait for PLL to Lock */
+	ldr	r10, PLL_LOCK_COUNT
+
+PLL1Lock:
+	subs	r10, r10, $1
+	bne	PLL1Lock
+
+	/* Enable the PLL */
+	orr	r8, r8, $0x01
+	str	r8, [r6]
+
+	nop
+	nop
+	nop
+	nop
+
+	/*------------------------------------------------------*
+	 * AEMIF configuration for NOR Flash (double check)     *
+	 *------------------------------------------------------*/
+	ldr	r0, _PINMUX0
+	ldr	r1, _DEV_SETTING
+	str	r1, [r0]
+
+	ldr	r0, WAITCFG
+	ldr	r1, WAITCFG_VAL
+	ldr	r2, [r0]
+	orr	r2, r2, r1
+	str	r2, [r0]
+
+	ldr	r0, ACFG3
+	ldr	r1, ACFG3_VAL
+	ldr	r2, [r0]
+	and	r1, r2, r1
+	str	r1, [r0]
+
+	ldr	r0, ACFG4
+	ldr	r1, ACFG4_VAL
+	ldr	r2, [r0]
+	and	r1, r2, r1
+	str	r1, [r0]
+
+	ldr	r0, ACFG5
+	ldr	r1, ACFG5_VAL
+	ldr	r2, [r0]
+	and	r1, r2, r1
+	str	r1, [r0]
+
+	/*--------------------------------------*
+	 * VTP manual Calibration               *
+	 *--------------------------------------*/
+	ldr	r0, VTPIOCR
+	ldr	r1, VTP_MMR0
+	str	r1, [r0]
+
+	ldr	r0, VTPIOCR
+	ldr	r1, VTP_MMR1
+	str	r1, [r0]
+
+	/* Wait for 33 VTP CLK cycles.  VRP operates at 27 MHz */
+	ldr	r10, VTP_LOCK_COUNT
+VTPLock:
+	subs	r10, r10, $1
+	bne	VTPLock
+
+	ldr	r6, DFT_ENABLE
+	mov	r10, $0x01
+	str	r10, [r6]
+
+	ldr	r6, DDRVTPR
+	ldr	r7, [r6]
+	mov	r8, r7, LSL #32-10
+	mov	r8, r8, LSR #32-10        /* grab low 10 bits  */
+	ldr	r7, VTP_RECAL
+	orr	r8, r7, r8
+	ldr	r7, VTP_EN
+	orr	r8, r7, r8
+	str	r8, [r0]
+
+
+	/* Wait for 33 VTP CLK cycles.  VRP operates at 27 MHz */
+	ldr	r10, VTP_LOCK_COUNT
+VTP1Lock:
+	subs	r10, r10, $1
+	bne	VTP1Lock
+
+	ldr	r1, [r0]
+	ldr	r2, VTP_MASK
+	and	r2, r1, r2
+	str	r2, [r0]
+
+	ldr	r6, DFT_ENABLE
+	mov	r10, $0
+	str	r10, [r6]
+
+	/*
+	 * Call board-specific lowlevel init.
+	 * That MUST be present and THAT returns
+	 * back to arch calling code with "mov pc, lr."
+	 */
+	b	dv_board_init
+
+.ltorg
+
+_PINMUX0:
+	.word	0x01c40000		/* Device Configuration Registers */
+_PINMUX1:
+	.word	0x01c40004		/* Device Configuration Registers */
+
+_DEV_SETTING:
+	.word	0x00000c1f
+
+WAITCFG:
+	.word	0x01e00004
+WAITCFG_VAL:
+	.word	0
+ACFG3:
+	.word	0x01e00014
+ACFG3_VAL:
+	.word	0x3ffffffd
+ACFG4:
+	.word	0x01e00018
+ACFG4_VAL:
+	.word	0x3ffffffd
+ACFG5:
+	.word	0x01e0001c
+ACFG5_VAL:
+	.word	0x3ffffffd
+
+MDCTL_DDR2:
+	.word	0x01c41a34
+MDSTAT_DDR2:
+	.word	0x01c41834
+
+PTCMD:
+	.word	0x01c41120
+PTSTAT:
+	.word	0x01c41128
+
+EINT_ENABLE0:
+	.word	0x01c48018
+EINT_ENABLE1:
+	.word	0x01c4801c
+
+PSC_FLAG_CLEAR:
+	.word	0xffffffe0
+PSC_GEM_FLAG_CLEAR:
+	.word	0xfffffeff
+
+/* DDR2 MMR & CONFIGURATION VALUES, 162 MHZ clock */
+DDRCTL:
+	.word	0x200000e4
+DDRCTL_VAL:
+	.word	0x50006405
+SDREF:
+	.word	0x2000000c
+SDREF_VAL:
+	.word	0x000005c3
+SDCFG:
+	.word	0x20000008
+SDCFG_VAL:
+#ifdef	DDR_4BANKS
+	.word	0x00178622
+#elif defined DDR_8BANKS
+	.word	0x00178632
+#else
+#error "Unknown DDR configuration!!!"
+#endif
+SDTIM0:
+	.word	0x20000010
+SDTIM0_VAL_162MHz:
+	.word	0x28923211
+SDTIM1:
+	.word	0x20000014
+SDTIM1_VAL_162MHz:
+	.word	0x0016c722
+VTPIOCR:
+	.word	0x200000f0	/* VTP IO Control register */
+DDRVTPR:
+	.word	0x01c42030	/* DDR VPTR MMR */
+VTP_MMR0:
+	.word	0x201f
+VTP_MMR1:
+	.word	0xa01f
+DFT_ENABLE:
+	.word	0x01c4004c
+VTP_LOCK_COUNT:
+	.word	0x5b0
+VTP_MASK:
+	.word	0xffffdfff
+VTP_RECAL:
+	.word	0x08000
+VTP_EN:
+	.word	0x02000
+CFGTEST:
+	.word	0x80010000
+MASK_VAL:
+	.word	0x00000fff
+
+/* GEM Power Up & LPSC Control Register */
+MDCTL_GEM:
+	.word	0x01c41a9c
+MDSTAT_GEM:
+	.word	0x01c4189c
+
+/* For WDT reset chip bug */
+P1394:
+	.word	0x01c41a20
+
+PLL_CLKSRC_MASK:
+	.word	0xfffffeff	/* Mask the Clock Mode bit */
+PLL_ENSRC_MASK:
+	.word	0xffffffdf	/* Select the PLLEN source */
+PLL_BYPASS_MASK:
+	.word	0xfffffffe	/* Put the PLL in BYPASS */
+PLL_RESET_MASK:
+	.word	0xfffffff7	/* Put the PLL in Reset Mode */
+PLL_PWRUP_MASK:
+	.word	0xfffffffd	/* PLL Power up Mask Bit  */
+PLL_DISABLE_ENABLE_MASK:
+	.word	0xffffffef	/* Enable the PLL from Disable */
+PLL_LOCK_COUNT:
+	.word	0x2000
+
+/* PLL1-SYSTEM PLL MMRs */
+PLL1_CTL:
+	.word	0x01c40900
+PLL1_PLLM:
+	.word	0x01c40910
+
+/* PLL2-SYSTEM PLL MMRs */
+PLL2_CTL:
+	.word	0x01c40d00
+PLL2_PLLM:
+	.word	0x01c40d10
+PLL2_DIV1:
+	.word	0x01c40d18
+PLL2_DIV2:
+	.word	0x01c40d1c
+PLL2_PLLCMD:
+	.word	0x01c40d38
+PLL2_PLLSTAT:
+	.word	0x01c40d3c
+PLL2_DIV_MASK:
+	.word	0xffff7fff
+
+MMARG_BRF0:
+	.word	0x01c42010	/* BRF margin mode 0 (R/W)*/
+MMARG_BRF0_VAL:
+	.word	0x00444400
+
+DDR2_START_ADDR:
+	.word	0x80000000
+DUMMY_VAL:
+	.word	0xa55aa55a
+#else /* CONFIG_SOC_DM644X */
+	mov pc, lr
+#endif
diff --git a/arch/arm/mach-davinci/lxt972.c b/arch/arm/mach-davinci/lxt972.c
new file mode 100644
index 0000000000..a7356f9672
--- /dev/null
+++ b/arch/arm/mach-davinci/lxt972.c
@@ -0,0 +1,113 @@
+/*
+ * Intel LXT971/LXT972 PHY Driver for TI DaVinci
+ * (TMS320DM644x) based boards.
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * --------------------------------------------------------
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <net.h>
+#include <miiphy.h>
+#include <lxt971a.h>
+#include <asm/arch/emac_defs.h>
+#include "../../../drivers/net/davinci_emac.h"
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+
+#ifdef CONFIG_CMD_NET
+
+int lxt972_is_phy_connected(int phy_addr)
+{
+	u_int16_t id1, id2;
+
+	if (!davinci_eth_phy_read(phy_addr, MII_PHYSID1, &id1))
+		return(0);
+	if (!davinci_eth_phy_read(phy_addr, MII_PHYSID2, &id2))
+		return(0);
+
+	if ((id1 == (0x0013)) && ((id2  & 0xfff0) == 0x78e0))
+		return(1);
+
+	return(0);
+}
+
+int lxt972_get_link_speed(int phy_addr)
+{
+	u_int16_t stat1, tmp;
+	volatile emac_regs *emac = (emac_regs *)EMAC_BASE_ADDR;
+
+	if (!davinci_eth_phy_read(phy_addr, PHY_LXT971_STAT2, &stat1))
+		return(0);
+
+	if (!(stat1 & PHY_LXT971_STAT2_LINK))	/* link up? */
+		return(0);
+
+	if (!davinci_eth_phy_read(phy_addr, PHY_LXT971_DIG_CFG, &tmp))
+		return(0);
+
+	tmp |= PHY_LXT971_DIG_CFG_MII_DRIVE;
+
+	davinci_eth_phy_write(phy_addr, PHY_LXT971_DIG_CFG, tmp);
+	/* Read back */
+	if (!davinci_eth_phy_read(phy_addr, PHY_LXT971_DIG_CFG, &tmp))
+		return(0);
+
+	/* Speed doesn't matter, there is no setting for it in EMAC... */
+	if (stat1 & PHY_LXT971_STAT2_DUPLEX_MODE) {
+		/* set DM644x EMAC for Full Duplex  */
+		emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE |
+			EMAC_MACCONTROL_FULLDUPLEX_ENABLE;
+	} else {
+		/*set DM644x EMAC for Half Duplex  */
+		emac->MACCONTROL = EMAC_MACCONTROL_MIIEN_ENABLE;
+	}
+
+	return(1);
+}
+
+
+int lxt972_init_phy(int phy_addr)
+{
+	int ret = 1;
+
+	if (!lxt972_get_link_speed(phy_addr)) {
+		/* Try another time */
+		ret = lxt972_get_link_speed(phy_addr);
+	}
+
+	/* Disable PHY Interrupts */
+	davinci_eth_phy_write(phy_addr, PHY_LXT971_INT_ENABLE, 0);
+
+	return(ret);
+}
+
+
+int lxt972_auto_negotiate(int phy_addr)
+{
+	u_int16_t tmp;
+
+	if (!davinci_eth_phy_read(phy_addr, MII_BMCR, &tmp))
+		return(0);
+
+	/* Restart Auto_negotiation  */
+	tmp |= BMCR_ANRESTART;
+	davinci_eth_phy_write(phy_addr, MII_BMCR, tmp);
+
+	/*check AutoNegotiate complete */
+	udelay (10000);
+	if (!davinci_eth_phy_read(phy_addr, MII_BMSR, &tmp))
+		return(0);
+
+	if (!(tmp & BMSR_ANEGCOMPLETE))
+		return(0);
+
+	return (lxt972_get_link_speed(phy_addr));
+}
+
+#endif	/* CONFIG_CMD_NET */
+
+#endif	/* CONFIG_DRIVER_ETHER */
diff --git a/arch/arm/mach-davinci/misc.c b/arch/arm/mach-davinci/misc.c
new file mode 100644
index 0000000000..e18bdfc729
--- /dev/null
+++ b/arch/arm/mach-davinci/misc.c
@@ -0,0 +1,138 @@
+/*
+ * Miscelaneous DaVinci functions.
+ *
+ * Copyright (C) 2009 Nick Thompson, GE Fanuc Ltd, <nick.thompson@gefanuc.com>
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+ * Copyright (C) 2004 Texas Instruments.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <net.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+#include <asm/arch/davinci_misc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifndef CONFIG_SPL_BUILD
+int dram_init(void)
+{
+	/* dram_init must store complete ramsize in gd->ram_size */
+	gd->ram_size = get_ram_size(
+			(void *)CONFIG_SYS_SDRAM_BASE,
+			CONFIG_MAX_RAM_BANK_SIZE);
+	return 0;
+}
+
+void dram_init_banksize(void)
+{
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].size = gd->ram_size;
+}
+#endif
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+/*
+ * Read ethernet MAC address from EEPROM for DVEVM compatible boards.
+ * Returns 1 if found, 0 otherwise.
+ */
+int dvevm_read_mac_address(uint8_t *buf)
+{
+#ifdef CONFIG_SYS_I2C_EEPROM_ADDR
+	/* Read MAC address. */
+	if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0x7F00,
+		CONFIG_SYS_I2C_EEPROM_ADDR_LEN, (uint8_t *) &buf[0], 6))
+		goto i2cerr;
+
+	/* Check that MAC address is valid. */
+	if (!is_valid_ether_addr(buf))
+		goto err;
+
+	return 1; /* Found */
+
+i2cerr:
+	printf("Read from EEPROM @ 0x%02x failed\n",
+		CONFIG_SYS_I2C_EEPROM_ADDR);
+err:
+#endif /* CONFIG_SYS_I2C_EEPROM_ADDR */
+
+	return 0;
+}
+
+/*
+ * Set the mii mode as MII or RMII
+ */
+#if defined(CONFIG_SOC_DA8XX)
+void davinci_emac_mii_mode_sel(int mode_sel)
+{
+	int val;
+
+	val = readl(&davinci_syscfg_regs->cfgchip3);
+	if (mode_sel == 0)
+		val &= ~(1 << 8);
+	else
+		val |= (1 << 8);
+	writel(val, &davinci_syscfg_regs->cfgchip3);
+}
+#endif
+/*
+ * If there is no MAC address in the environment, then it will be initialized
+ * (silently) from the value in the EEPROM.
+ */
+void davinci_sync_env_enetaddr(uint8_t *rom_enetaddr)
+{
+	uint8_t env_enetaddr[6];
+	int ret;
+
+	ret = eth_getenv_enetaddr_by_index("eth", 0, env_enetaddr);
+	if (!ret) {
+		/*
+		 * There is no MAC address in the environment, so we
+		 * initialize it from the value in the EEPROM.
+		 */
+		debug("### Setting environment from EEPROM MAC address = "
+			"\"%pM\"\n",
+			env_enetaddr);
+		ret = !eth_setenv_enetaddr("ethaddr", rom_enetaddr);
+	}
+	if (!ret)
+		printf("Failed to set mac address from EEPROM: %d\n", ret);
+}
+#endif	/* CONFIG_DRIVER_TI_EMAC */
+
+#if defined(CONFIG_SOC_DA8XX)
+#ifndef CONFIG_USE_IRQ
+void irq_init(void)
+{
+	/*
+	 * Mask all IRQs by clearing the global enable and setting
+	 * the enable clear for all the 90 interrupts.
+	 */
+	writel(0, &davinci_aintc_regs->ger);
+
+	writel(0, &davinci_aintc_regs->hier);
+
+	writel(0xffffffff, &davinci_aintc_regs->ecr1);
+	writel(0xffffffff, &davinci_aintc_regs->ecr2);
+	writel(0xffffffff, &davinci_aintc_regs->ecr3);
+}
+#endif
+
+/*
+ * Enable PSC for various peripherals.
+ */
+int da8xx_configure_lpsc_items(const struct lpsc_resource *item,
+				    const int n_items)
+{
+	int i;
+
+	for (i = 0; i < n_items; i++)
+		lpsc_on(item[i].lpsc_no);
+
+	return 0;
+}
+#endif
diff --git a/arch/arm/mach-davinci/pinmux.c b/arch/arm/mach-davinci/pinmux.c
new file mode 100644
index 0000000000..e9d8c87cc8
--- /dev/null
+++ b/arch/arm/mach-davinci/pinmux.c
@@ -0,0 +1,90 @@
+/*
+ * DaVinci pinmux functions.
+ *
+ * Copyright (C) 2009 Nick Thompson, GE Fanuc Ltd, <nick.thompson@gefanuc.com>
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+ * Copyright (C) 2004 Texas Instruments.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+#include <asm/arch/davinci_misc.h>
+
+/*
+ * Change the setting of a pin multiplexer field.
+ *
+ * Takes an array of pinmux settings similar to:
+ *
+ * struct pinmux_config uart_pins[] = {
+ *	{ &davinci_syscfg_regs->pinmux[8], 2, 7 },
+ *	{ &davinci_syscfg_regs->pinmux[9], 2, 0 }
+ * };
+ *
+ * Stepping through the array, each pinmux[n] register has the given value
+ * set in the pin mux field specified.
+ *
+ * The number of pins in the array must be passed (ARRAY_SIZE can provide
+ * this value conveniently).
+ *
+ * Returns 0 if all field numbers and values are in the correct range,
+ * else returns -1.
+ */
+int davinci_configure_pin_mux(const struct pinmux_config *pins,
+			      const int n_pins)
+{
+	int i;
+
+	/* check for invalid pinmux values */
+	for (i = 0; i < n_pins; i++) {
+		if (pins[i].field >= PIN_MUX_NUM_FIELDS ||
+		    (pins[i].value & ~PIN_MUX_FIELD_MASK) != 0)
+			return -1;
+	}
+
+	/* configure the pinmuxes */
+	for (i = 0; i < n_pins; i++) {
+		const int offset = pins[i].field * PIN_MUX_FIELD_SIZE;
+		const unsigned int value = pins[i].value << offset;
+		const unsigned int mask = PIN_MUX_FIELD_MASK << offset;
+		const dv_reg *mux = pins[i].mux;
+
+		writel(value | (readl(mux) & (~mask)), mux);
+	}
+
+	return 0;
+}
+
+/*
+ * Configure multiple pinmux resources.
+ *
+ * Takes an pinmux_resource array of pinmux_config and pin counts:
+ *
+ * const struct pinmux_resource pinmuxes[] = {
+ *	PINMUX_ITEM(uart_pins),
+ *	PINMUX_ITEM(i2c_pins),
+ * };
+ *
+ * The number of items in the array must be passed (ARRAY_SIZE can provide
+ * this value conveniently).
+ *
+ * Each item entry is configured in the defined order. If configuration
+ * of any item fails, -1 is returned and none of the following items are
+ * configured. On success, 0 is returned.
+ */
+int davinci_configure_pin_mux_items(const struct pinmux_resource *item,
+				    const int n_items)
+{
+	int i;
+
+	for (i = 0; i < n_items; i++) {
+		if (davinci_configure_pin_mux(item[i].pins,
+					      item[i].n_pins) != 0)
+			return -1;
+	}
+
+	return 0;
+}
diff --git a/arch/arm/mach-davinci/psc.c b/arch/arm/mach-davinci/psc.c
new file mode 100644
index 0000000000..8d99e2e997
--- /dev/null
+++ b/arch/arm/mach-davinci/psc.c
@@ -0,0 +1,160 @@
+/*
+ * Power and Sleep Controller (PSC) functions.
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ * Copyright (C) 2008 Lyrtech <www.lyrtech.com>
+ * Copyright (C) 2004 Texas Instruments.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+
+/*
+ * The PSC manages three inputs to a "module" which may be a peripheral or
+ * CPU.  Those inputs are the module's:  clock; reset signal; and sometimes
+ * its power domain.  For our purposes, we only care whether clock and power
+ * are active, and the module is out of reset.
+ *
+ * DaVinci chips may include two separate power domains: "Always On" and "DSP".
+ * Chips without a DSP generally have only one domain.
+ *
+ * The "Always On" power domain is always on when the chip is on, and is
+ * powered by the VDD pins (on DM644X). The majority of DaVinci modules
+ * lie within the "Always On" power domain.
+ *
+ * A separate domain called the "DSP" domain houses the C64x+ and other video
+ * hardware such as VICP. In some chips, the "DSP" domain is not always on.
+ * The "DSP" power domain is powered by the CVDDDSP pins (on DM644X).
+ */
+
+/* Works on Always On power domain only (no PD argument) */
+static void lpsc_transition(unsigned int id, unsigned int state)
+{
+	dv_reg_p mdstat, mdctl, ptstat, ptcmd;
+#ifdef CONFIG_SOC_DA8XX
+	struct davinci_psc_regs *psc_regs;
+#endif
+
+#ifndef CONFIG_SOC_DA8XX
+	if (id >= DAVINCI_LPSC_GEM)
+		return;			/* Don't work on DSP Power Domain */
+
+	mdstat = REG_P(PSC_MDSTAT_BASE + (id * 4));
+	mdctl = REG_P(PSC_MDCTL_BASE + (id * 4));
+	ptstat = REG_P(PSC_PTSTAT);
+	ptcmd = REG_P(PSC_PTCMD);
+#else
+	if (id < DAVINCI_LPSC_PSC1_BASE) {
+		if (id >= PSC_PSC0_MODULE_ID_CNT)
+			return;
+		psc_regs = davinci_psc0_regs;
+		mdstat = &psc_regs->psc0.mdstat[id];
+		mdctl = &psc_regs->psc0.mdctl[id];
+	} else {
+		id -= DAVINCI_LPSC_PSC1_BASE;
+		if (id >= PSC_PSC1_MODULE_ID_CNT)
+			return;
+		psc_regs = davinci_psc1_regs;
+		mdstat = &psc_regs->psc1.mdstat[id];
+		mdctl = &psc_regs->psc1.mdctl[id];
+	}
+	ptstat = &psc_regs->ptstat;
+	ptcmd = &psc_regs->ptcmd;
+#endif
+
+	while (readl(ptstat) & 0x01)
+		continue;
+
+	if ((readl(mdstat) & PSC_MDSTAT_STATE) == state)
+		return; /* Already in that state */
+
+	writel((readl(mdctl) & ~PSC_MDCTL_NEXT) | state, mdctl);
+
+	switch (id) {
+#ifdef CONFIG_SOC_DM644X
+	/* Special treatment for some modules as for sprue14 p.7.4.2 */
+	case DAVINCI_LPSC_VPSSSLV:
+	case DAVINCI_LPSC_EMAC:
+	case DAVINCI_LPSC_EMAC_WRAPPER:
+	case DAVINCI_LPSC_MDIO:
+	case DAVINCI_LPSC_USB:
+	case DAVINCI_LPSC_ATA:
+	case DAVINCI_LPSC_VLYNQ:
+	case DAVINCI_LPSC_UHPI:
+	case DAVINCI_LPSC_DDR_EMIF:
+	case DAVINCI_LPSC_AEMIF:
+	case DAVINCI_LPSC_MMC_SD:
+	case DAVINCI_LPSC_MEMSTICK:
+	case DAVINCI_LPSC_McBSP:
+	case DAVINCI_LPSC_GPIO:
+		writel(readl(mdctl) | 0x200, mdctl);
+		break;
+#endif
+	}
+
+	writel(0x01, ptcmd);
+
+	while (readl(ptstat) & 0x01)
+		continue;
+	while ((readl(mdstat) & PSC_MDSTAT_STATE) != state)
+		continue;
+}
+
+void lpsc_on(unsigned int id)
+{
+	lpsc_transition(id, 0x03);
+}
+
+void lpsc_syncreset(unsigned int id)
+{
+	lpsc_transition(id, 0x01);
+}
+
+void lpsc_disable(unsigned int id)
+{
+	lpsc_transition(id, 0x0);
+}
+
+/* Not all DaVinci chips have a DSP power domain. */
+#ifdef CONFIG_SOC_DM644X
+
+/* If DSPLINK is used, we don't want U-Boot to power on the DSP. */
+#if !defined(CONFIG_SYS_USE_DSPLINK)
+void dsp_on(void)
+{
+	int i;
+
+	if (REG(PSC_PDSTAT1) & 0x1f)
+		return;			/* Already on */
+
+	REG(PSC_GBLCTL) |= 0x01;
+	REG(PSC_PDCTL1) |= 0x01;
+	REG(PSC_PDCTL1) &= ~0x100;
+	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) |= 0x03;
+	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) &= 0xfffffeff;
+	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) |= 0x03;
+	REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) &= 0xfffffeff;
+	REG(PSC_PTCMD) = 0x02;
+
+	for (i = 0; i < 100; i++) {
+		if (REG(PSC_EPCPR) & 0x02)
+			break;
+	}
+
+	REG(PSC_CHP_SHRTSW) = 0x01;
+	REG(PSC_PDCTL1) |= 0x100;
+	REG(PSC_EPCCR) = 0x02;
+
+	for (i = 0; i < 100; i++) {
+		if (!(REG(PSC_PTSTAT) & 0x02))
+			break;
+	}
+
+	REG(PSC_GBLCTL) &= ~0x1f;
+}
+#endif /* CONFIG_SYS_USE_DSPLINK */
+
+#endif /* have a DSP */
diff --git a/arch/arm/mach-davinci/reset.c b/arch/arm/mach-davinci/reset.c
new file mode 100644
index 0000000000..6b0f15428a
--- /dev/null
+++ b/arch/arm/mach-davinci/reset.c
@@ -0,0 +1,32 @@
+/*
+ *  Processor reset using WDT.
+ *
+ * Copyright (C) 2012 Dmitry Bondar <bond@inmys.ru>
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/timer_defs.h>
+#include <asm/arch/hardware.h>
+
+void reset_cpu(unsigned long a)
+{
+	struct davinci_timer *const wdttimer =
+		(struct davinci_timer *)DAVINCI_WDOG_BASE;
+	writel(0x08, &wdttimer->tgcr);
+	writel(readl(&wdttimer->tgcr) | 0x03, &wdttimer->tgcr);
+	writel(0, &wdttimer->tim12);
+	writel(0, &wdttimer->tim34);
+	writel(0, &wdttimer->prd12);
+	writel(0, &wdttimer->prd34);
+	writel(readl(&wdttimer->tcr) | 0x40, &wdttimer->tcr);
+	writel(readl(&wdttimer->wdtcr) | 0x4000, &wdttimer->wdtcr);
+	writel(0xa5c64000, &wdttimer->wdtcr);
+	writel(0xda7e4000, &wdttimer->wdtcr);
+	writel(0x4000, &wdttimer->wdtcr);
+	while (1)
+		/*nothing*/;
+}
diff --git a/arch/arm/mach-davinci/spl.c b/arch/arm/mach-davinci/spl.c
new file mode 100644
index 0000000000..49349da179
--- /dev/null
+++ b/arch/arm/mach-davinci/spl.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <config.h>
+#include <spl.h>
+#include <asm/u-boot.h>
+#include <asm/utils.h>
+#include <nand.h>
+#include <asm/arch/dm365_lowlevel.h>
+#include <ns16550.h>
+#include <malloc.h>
+#include <spi_flash.h>
+#include <mmc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifndef CONFIG_SPL_LIBCOMMON_SUPPORT
+void puts(const char *str)
+{
+	while (*str)
+		putc(*str++);
+}
+
+void putc(char c)
+{
+	if (c == '\n')
+		NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), '\r');
+
+	NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c);
+}
+#endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */
+
+void spl_board_init(void)
+{
+#ifdef CONFIG_SOC_DM365
+	dm36x_lowlevel_init(0);
+#endif
+#ifdef CONFIG_SOC_DA8XX
+	arch_cpu_init();
+#endif
+	preloader_console_init();
+}
+
+u32 spl_boot_mode(void)
+{
+	return MMCSD_MODE_RAW;
+}
+
+u32 spl_boot_device(void)
+{
+#ifdef CONFIG_SPL_NAND_SIMPLE
+	return BOOT_DEVICE_NAND;
+#elif defined(CONFIG_SPL_SPI_LOAD)
+	return BOOT_DEVICE_SPI;
+#elif defined(CONFIG_SPL_MMC_LOAD)
+	return BOOT_DEVICE_MMC1;
+#else
+	puts("Unknown boot device\n");
+	hang();
+#endif
+}
diff --git a/arch/arm/mach-davinci/timer.c b/arch/arm/mach-davinci/timer.c
new file mode 100644
index 0000000000..c7d0652e83
--- /dev/null
+++ b/arch/arm/mach-davinci/timer.c
@@ -0,0 +1,128 @@
+/*
+ * (C) Copyright 2003
+ * Texas Instruments <www.ti.com>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Alex Zuepke <azu@sysgo.de>
+ *
+ * (C) Copyright 2002-2004
+ * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
+ *
+ * (C) Copyright 2004
+ * Philippe Robin, ARM Ltd. <philippe.robin@arm.com>
+ *
+ * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/timer_defs.h>
+#include <div64.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static struct davinci_timer * const timer =
+	(struct davinci_timer *)CONFIG_SYS_TIMERBASE;
+
+#define TIMER_LOAD_VAL	0xffffffff
+
+#define TIM_CLK_DIV	16
+
+int timer_init(void)
+{
+	/* We are using timer34 in unchained 32-bit mode, full speed */
+	writel(0x0, &timer->tcr);
+	writel(0x0, &timer->tgcr);
+	writel(0x06 | ((TIM_CLK_DIV - 1) << 8), &timer->tgcr);
+	writel(0x0, &timer->tim34);
+	writel(TIMER_LOAD_VAL, &timer->prd34);
+	writel(2 << 22, &timer->tcr);
+	gd->arch.timer_rate_hz = CONFIG_SYS_HZ_CLOCK / TIM_CLK_DIV;
+	gd->arch.timer_reset_value = 0;
+
+	return(0);
+}
+
+/*
+ * Get the current 64 bit timer tick count
+ */
+unsigned long long get_ticks(void)
+{
+	unsigned long now = readl(&timer->tim34);
+
+	/* increment tbu if tbl has rolled over */
+	if (now < gd->arch.tbl)
+		gd->arch.tbu++;
+	gd->arch.tbl = now;
+
+	return (((unsigned long long)gd->arch.tbu) << 32) | gd->arch.tbl;
+}
+
+ulong get_timer(ulong base)
+{
+	unsigned long long timer_diff;
+
+	timer_diff = get_ticks() - gd->arch.timer_reset_value;
+
+	return lldiv(timer_diff,
+		     (gd->arch.timer_rate_hz / CONFIG_SYS_HZ)) - base;
+}
+
+void __udelay(unsigned long usec)
+{
+	unsigned long long endtime;
+
+	endtime = lldiv((unsigned long long)usec * gd->arch.timer_rate_hz,
+			1000000UL);
+	endtime += get_ticks();
+
+	while (get_ticks() < endtime)
+		;
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+	return gd->arch.timer_rate_hz;
+}
+
+#ifdef CONFIG_HW_WATCHDOG
+static struct davinci_timer * const wdttimer =
+	(struct davinci_timer *)CONFIG_SYS_WDTTIMERBASE;
+
+/*
+ * See prufw2.pdf for using Timer as a WDT
+ */
+void davinci_hw_watchdog_enable(void)
+{
+	writel(0x0, &wdttimer->tcr);
+	writel(0x0, &wdttimer->tgcr);
+	/* TIMMODE = 2h */
+	writel(0x08 | 0x03 | ((TIM_CLK_DIV - 1) << 8), &wdttimer->tgcr);
+	writel(CONFIG_SYS_WDT_PERIOD_LOW, &wdttimer->prd12);
+	writel(CONFIG_SYS_WDT_PERIOD_HIGH, &wdttimer->prd34);
+	writel(2 << 22, &wdttimer->tcr);
+	writel(0x0, &wdttimer->tim12);
+	writel(0x0, &wdttimer->tim34);
+	/* set WDEN bit, WDKEY 0xa5c6 */
+	writel(0xa5c64000, &wdttimer->wdtcr);
+	/* clear counter register */
+	writel(0xda7e4000, &wdttimer->wdtcr);
+}
+
+void davinci_hw_watchdog_reset(void)
+{
+	writel(0xa5c64000, &wdttimer->wdtcr);
+	writel(0xda7e4000, &wdttimer->wdtcr);
+}
+#endif