arch/arm/mach-davinci/dm644x.c - linux - Git at Google

 /*
  * TI DaVinci DM644x chip specific setup
  *
  * Author: Kevin Hilman, Deep Root Systems, LLC
  *
  * 2007 (c) Deep Root Systems, LLC. This file is licensed under
  * the terms of the GNU General Public License version 2. This program
  * is licensed "as is" without any warranty of any kind, whether express
  * or implied.
  */

 #include <linux/clk-provider.h>
 #include <linux/clk/davinci.h>
 #include <linux/clkdev.h>
 #include <linux/dmaengine.h>
 #include <linux/init.h>
 #include <linux/platform_data/edma.h>
 #include <linux/platform_data/gpio-davinci.h>
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>

 #include <asm/mach/map.h>

 #include <mach/common.h>
 #include <mach/cputype.h>
 #include <mach/irqs.h>
 #include <mach/mux.h>
 #include <mach/serial.h>
 #include <mach/time.h>

 #include "asp.h"
 #include "davinci.h"
 #include "mux.h"

 /*
  * Device specific clocks
  */
 #define DM644X_REF_FREQ		27000000

 #define DM644X_EMAC_BASE		0x01c80000
 #define DM644X_EMAC_MDIO_BASE		(DM644X_EMAC_BASE + 0x4000)
 #define DM644X_EMAC_CNTRL_OFFSET	0x0000
 #define DM644X_EMAC_CNTRL_MOD_OFFSET	0x1000
 #define DM644X_EMAC_CNTRL_RAM_OFFSET	0x2000
 #define DM644X_EMAC_CNTRL_RAM_SIZE	0x2000

 static struct emac_platform_data dm644x_emac_pdata = {
 	.ctrl_reg_offset	= DM644X_EMAC_CNTRL_OFFSET,
 	.ctrl_mod_reg_offset	= DM644X_EMAC_CNTRL_MOD_OFFSET,
 	.ctrl_ram_offset	= DM644X_EMAC_CNTRL_RAM_OFFSET,
 	.ctrl_ram_size		= DM644X_EMAC_CNTRL_RAM_SIZE,
 	.version		= EMAC_VERSION_1,
 };

 static struct resource dm644x_emac_resources[] = {
 	{
 		.start	= DM644X_EMAC_BASE,
 		.end	= DM644X_EMAC_BASE + SZ_16K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	{
 		.start = IRQ_EMACINT,
 		.end   = IRQ_EMACINT,
 		.flags = IORESOURCE_IRQ,
 	},
 };

 static struct platform_device dm644x_emac_device = {
        .name		= "davinci_emac",
        .id		= 1,
        .dev = {
 	       .platform_data	= &dm644x_emac_pdata,
        },
        .num_resources	= ARRAY_SIZE(dm644x_emac_resources),
        .resource	= dm644x_emac_resources,
 };

 static struct resource dm644x_mdio_resources[] = {
 	{
 		.start	= DM644X_EMAC_MDIO_BASE,
 		.end	= DM644X_EMAC_MDIO_BASE + SZ_4K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 };

 static struct platform_device dm644x_mdio_device = {
 	.name		= "davinci_mdio",
 	.id		= 0,
 	.num_resources	= ARRAY_SIZE(dm644x_mdio_resources),
 	.resource	= dm644x_mdio_resources,
 };

 /*
  * Device specific mux setup
  *
  *	soc	description	mux  mode   mode  mux	 dbg
  *				reg  offset mask  mode
  */
 static const struct mux_config dm644x_pins[] = {
 #ifdef CONFIG_DAVINCI_MUX
 MUX_CFG(DM644X, HDIREN,		0,   16,    1,	  1,	 true)
 MUX_CFG(DM644X, ATAEN,		0,   17,    1,	  1,	 true)
 MUX_CFG(DM644X, ATAEN_DISABLE,	0,   17,    1,	  0,	 true)

 MUX_CFG(DM644X, HPIEN_DISABLE,	0,   29,    1,	  0,	 true)

 MUX_CFG(DM644X, AEAW,		0,   0,     31,	  31,	 true)
 MUX_CFG(DM644X, AEAW0,		0,   0,     1,	  0,	 true)
 MUX_CFG(DM644X, AEAW1,		0,   1,     1,	  0,	 true)
 MUX_CFG(DM644X, AEAW2,		0,   2,     1,	  0,	 true)
 MUX_CFG(DM644X, AEAW3,		0,   3,     1,	  0,	 true)
 MUX_CFG(DM644X, AEAW4,		0,   4,     1,	  0,	 true)

 MUX_CFG(DM644X, MSTK,		1,   9,     1,	  0,	 false)

 MUX_CFG(DM644X, I2C,		1,   7,     1,	  1,	 false)

 MUX_CFG(DM644X, MCBSP,		1,   10,    1,	  1,	 false)

 MUX_CFG(DM644X, UART1,		1,   1,     1,	  1,	 true)
 MUX_CFG(DM644X, UART2,		1,   2,     1,	  1,	 true)

 MUX_CFG(DM644X, PWM0,		1,   4,     1,	  1,	 false)

 MUX_CFG(DM644X, PWM1,		1,   5,     1,	  1,	 false)

 MUX_CFG(DM644X, PWM2,		1,   6,     1,	  1,	 false)

 MUX_CFG(DM644X, VLYNQEN,	0,   15,    1,	  1,	 false)
 MUX_CFG(DM644X, VLSCREN,	0,   14,    1,	  1,	 false)
 MUX_CFG(DM644X, VLYNQWD,	0,   12,    3,	  3,	 false)

 MUX_CFG(DM644X, EMACEN,		0,   31,    1,	  1,	 true)

 MUX_CFG(DM644X, GPIO3V,		0,   31,    1,	  0,	 true)

 MUX_CFG(DM644X, GPIO0,		0,   24,    1,	  0,	 true)
 MUX_CFG(DM644X, GPIO3,		0,   25,    1,	  0,	 false)
 MUX_CFG(DM644X, GPIO43_44,	1,   7,     1,	  0,	 false)
 MUX_CFG(DM644X, GPIO46_47,	0,   22,    1,	  0,	 true)

 MUX_CFG(DM644X, RGB666,		0,   22,    1,	  1,	 true)

 MUX_CFG(DM644X, LOEEN,		0,   24,    1,	  1,	 true)
 MUX_CFG(DM644X, LFLDEN,		0,   25,    1,	  1,	 false)
 #endif
 };

 /* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
 static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
 	[IRQ_VDINT0]		= 2,
 	[IRQ_VDINT1]		= 6,
 	[IRQ_VDINT2]		= 6,
 	[IRQ_HISTINT]		= 6,
 	[IRQ_H3AINT]		= 6,
 	[IRQ_PRVUINT]		= 6,
 	[IRQ_RSZINT]		= 6,
 	[7]			= 7,
 	[IRQ_VENCINT]		= 6,
 	[IRQ_ASQINT]		= 6,
 	[IRQ_IMXINT]		= 6,
 	[IRQ_VLCDINT]		= 6,
 	[IRQ_USBINT]		= 4,
 	[IRQ_EMACINT]		= 4,
 	[14]			= 7,
 	[15]			= 7,
 	[IRQ_CCINT0]		= 5,	/* dma */
 	[IRQ_CCERRINT]		= 5,	/* dma */
 	[IRQ_TCERRINT0]		= 5,	/* dma */
 	[IRQ_TCERRINT]		= 5,	/* dma */
 	[IRQ_PSCIN]		= 7,
 	[21]			= 7,
 	[IRQ_IDE]		= 4,
 	[23]			= 7,
 	[IRQ_MBXINT]		= 7,
 	[IRQ_MBRINT]		= 7,
 	[IRQ_MMCINT]		= 7,
 	[IRQ_SDIOINT]		= 7,
 	[28]			= 7,
 	[IRQ_DDRINT]		= 7,
 	[IRQ_AEMIFINT]		= 7,
 	[IRQ_VLQINT]		= 4,
 	[IRQ_TINT0_TINT12]	= 2,	/* clockevent */
 	[IRQ_TINT0_TINT34]	= 2,	/* clocksource */
 	[IRQ_TINT1_TINT12]	= 7,	/* DSP timer */
 	[IRQ_TINT1_TINT34]	= 7,	/* system tick */
 	[IRQ_PWMINT0]		= 7,
 	[IRQ_PWMINT1]		= 7,
 	[IRQ_PWMINT2]		= 7,
 	[IRQ_I2C]		= 3,
 	[IRQ_UARTINT0]		= 3,
 	[IRQ_UARTINT1]		= 3,
 	[IRQ_UARTINT2]		= 3,
 	[IRQ_SPINT0]		= 3,
 	[IRQ_SPINT1]		= 3,
 	[45]			= 7,
 	[IRQ_DSP2ARM0]		= 4,
 	[IRQ_DSP2ARM1]		= 4,
 	[IRQ_GPIO0]		= 7,
 	[IRQ_GPIO1]		= 7,
 	[IRQ_GPIO2]		= 7,
 	[IRQ_GPIO3]		= 7,
 	[IRQ_GPIO4]		= 7,
 	[IRQ_GPIO5]		= 7,
 	[IRQ_GPIO6]		= 7,
 	[IRQ_GPIO7]		= 7,
 	[IRQ_GPIOBNK0]		= 7,
 	[IRQ_GPIOBNK1]		= 7,
 	[IRQ_GPIOBNK2]		= 7,
 	[IRQ_GPIOBNK3]		= 7,
 	[IRQ_GPIOBNK4]		= 7,
 	[IRQ_COMMTX]		= 7,
 	[IRQ_COMMRX]		= 7,
 	[IRQ_EMUINT]		= 7,
 };

 /*----------------------------------------------------------------------*/

 static s8 queue_priority_mapping[][2] = {
 	/* {event queue no, Priority} */
 	{0, 3},
 	{1, 7},
 	{-1, -1},
 };

 static const struct dma_slave_map dm644x_edma_map[] = {
 	{ "davinci-mcbsp", "tx", EDMA_FILTER_PARAM(0, 2) },
 	{ "davinci-mcbsp", "rx", EDMA_FILTER_PARAM(0, 3) },
 	{ "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
 	{ "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
 	{ "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
 	{ "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
 };

 static struct edma_soc_info dm644x_edma_pdata = {
 	.queue_priority_mapping	= queue_priority_mapping,
 	.default_queue		= EVENTQ_1,
 	.slave_map		= dm644x_edma_map,
 	.slavecnt		= ARRAY_SIZE(dm644x_edma_map),
 };

 static struct resource edma_resources[] = {
 	{
 		.name	= "edma3_cc",
 		.start	= 0x01c00000,
 		.end	= 0x01c00000 + SZ_64K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	{
 		.name	= "edma3_tc0",
 		.start	= 0x01c10000,
 		.end	= 0x01c10000 + SZ_1K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	{
 		.name	= "edma3_tc1",
 		.start	= 0x01c10400,
 		.end	= 0x01c10400 + SZ_1K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	{
 		.name	= "edma3_ccint",
 		.start	= IRQ_CCINT0,
 		.flags	= IORESOURCE_IRQ,
 	},
 	{
 		.name	= "edma3_ccerrint",
 		.start	= IRQ_CCERRINT,
 		.flags	= IORESOURCE_IRQ,
 	},
 	/* not using TC*_ERR */
 };

 static const struct platform_device_info dm644x_edma_device __initconst = {
 	.name		= "edma",
 	.id		= 0,
 	.dma_mask	= DMA_BIT_MASK(32),
 	.res		= edma_resources,
 	.num_res	= ARRAY_SIZE(edma_resources),
 	.data		= &dm644x_edma_pdata,
 	.size_data	= sizeof(dm644x_edma_pdata),
 };

 /* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
 static struct resource dm644x_asp_resources[] = {
 	{
 		.name	= "mpu",
 		.start	= DAVINCI_ASP0_BASE,
 		.end	= DAVINCI_ASP0_BASE + SZ_8K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	{
 		.start	= DAVINCI_DMA_ASP0_TX,
 		.end	= DAVINCI_DMA_ASP0_TX,
 		.flags	= IORESOURCE_DMA,
 	},
 	{
 		.start	= DAVINCI_DMA_ASP0_RX,
 		.end	= DAVINCI_DMA_ASP0_RX,
 		.flags	= IORESOURCE_DMA,
 	},
 };

 static struct platform_device dm644x_asp_device = {
 	.name		= "davinci-mcbsp",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(dm644x_asp_resources),
 	.resource	= dm644x_asp_resources,
 };

 #define DM644X_VPSS_BASE	0x01c73400

 static struct resource dm644x_vpss_resources[] = {
 	{
 		/* VPSS Base address */
 		.name		= "vpss",
 		.start		= DM644X_VPSS_BASE,
 		.end		= DM644X_VPSS_BASE + 0xff,
 		.flags		= IORESOURCE_MEM,
 	},
 };

 static struct platform_device dm644x_vpss_device = {
 	.name			= "vpss",
 	.id			= -1,
 	.dev.platform_data	= "dm644x_vpss",
 	.num_resources		= ARRAY_SIZE(dm644x_vpss_resources),
 	.resource		= dm644x_vpss_resources,
 };

 static struct resource dm644x_vpfe_resources[] = {
 	{
 		.start          = IRQ_VDINT0,
 		.end            = IRQ_VDINT0,
 		.flags          = IORESOURCE_IRQ,
 	},
 	{
 		.start          = IRQ_VDINT1,
 		.end            = IRQ_VDINT1,
 		.flags          = IORESOURCE_IRQ,
 	},
 };

 static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32);
 static struct resource dm644x_ccdc_resource[] = {
 	/* CCDC Base address */
 	{
 		.start          = 0x01c70400,
 		.end            = 0x01c70400 + 0xff,
 		.flags          = IORESOURCE_MEM,
 	},
 };

 static struct platform_device dm644x_ccdc_dev = {
 	.name           = "dm644x_ccdc",
 	.id             = -1,
 	.num_resources  = ARRAY_SIZE(dm644x_ccdc_resource),
 	.resource       = dm644x_ccdc_resource,
 	.dev = {
 		.dma_mask               = &dm644x_video_dma_mask,
 		.coherent_dma_mask      = DMA_BIT_MASK(32),
 	},
 };

 static struct platform_device dm644x_vpfe_dev = {
 	.name		= CAPTURE_DRV_NAME,
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(dm644x_vpfe_resources),
 	.resource	= dm644x_vpfe_resources,
 	.dev = {
 		.dma_mask		= &dm644x_video_dma_mask,
 		.coherent_dma_mask	= DMA_BIT_MASK(32),
 	},
 };

 #define DM644X_OSD_BASE		0x01c72600

 static struct resource dm644x_osd_resources[] = {
 	{
 		.start	= DM644X_OSD_BASE,
 		.end	= DM644X_OSD_BASE + 0x1ff,
 		.flags	= IORESOURCE_MEM,
 	},
 };

 static struct platform_device dm644x_osd_dev = {
 	.name		= DM644X_VPBE_OSD_SUBDEV_NAME,
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(dm644x_osd_resources),
 	.resource	= dm644x_osd_resources,
 	.dev		= {
 		.dma_mask		= &dm644x_video_dma_mask,
 		.coherent_dma_mask	= DMA_BIT_MASK(32),
 	},
 };

 #define DM644X_VENC_BASE		0x01c72400

 static struct resource dm644x_venc_resources[] = {
 	{
 		.start	= DM644X_VENC_BASE,
 		.end	= DM644X_VENC_BASE + 0x17f,
 		.flags	= IORESOURCE_MEM,
 	},
 };

 #define DM644X_VPSS_MUXSEL_PLL2_MODE          BIT(0)
 #define DM644X_VPSS_MUXSEL_VPBECLK_MODE       BIT(1)
 #define DM644X_VPSS_VENCLKEN                  BIT(3)
 #define DM644X_VPSS_DACCLKEN                  BIT(4)

 static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,
 				   unsigned int pclock)
 {
 	int ret = 0;
 	u32 v = DM644X_VPSS_VENCLKEN;

 	switch (type) {
 	case VPBE_ENC_STD:
 		v |= DM644X_VPSS_DACCLKEN;
 		writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 		break;
 	case VPBE_ENC_DV_TIMINGS:
 		if (pclock <= 27000000) {
 			v |= DM644X_VPSS_DACCLKEN;
 			writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 		} else {
 			/*
 			 * For HD, use external clock source since
 			 * HD requires higher clock rate
 			 */
 			v |= DM644X_VPSS_MUXSEL_VPBECLK_MODE;
 			writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
 		}
 		break;
 	default:
 		ret  = -EINVAL;
 	}

 	return ret;
 }

 static struct resource dm644x_v4l2_disp_resources[] = {
 	{
 		.start	= IRQ_VENCINT,
 		.end	= IRQ_VENCINT,
 		.flags	= IORESOURCE_IRQ,
 	},
 };

 static struct platform_device dm644x_vpbe_display = {
 	.name		= "vpbe-v4l2",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(dm644x_v4l2_disp_resources),
 	.resource	= dm644x_v4l2_disp_resources,
 	.dev		= {
 		.dma_mask		= &dm644x_video_dma_mask,
 		.coherent_dma_mask	= DMA_BIT_MASK(32),
 	},
 };

 static struct venc_platform_data dm644x_venc_pdata = {
 	.setup_clock	= dm644x_venc_setup_clock,
 };

 static struct platform_device dm644x_venc_dev = {
 	.name		= DM644X_VPBE_VENC_SUBDEV_NAME,
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(dm644x_venc_resources),
 	.resource	= dm644x_venc_resources,
 	.dev		= {
 		.dma_mask		= &dm644x_video_dma_mask,
 		.coherent_dma_mask	= DMA_BIT_MASK(32),
 		.platform_data		= &dm644x_venc_pdata,
 	},
 };

 static struct platform_device dm644x_vpbe_dev = {
 	.name		= "vpbe_controller",
 	.id		= -1,
 	.dev		= {
 		.dma_mask		= &dm644x_video_dma_mask,
 		.coherent_dma_mask	= DMA_BIT_MASK(32),
 	},
 };

 static struct resource dm644_gpio_resources[] = {
 	{	/* registers */
 		.start	= DAVINCI_GPIO_BASE,
 		.end	= DAVINCI_GPIO_BASE + SZ_4K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	{	/* interrupt */
 		.start	= IRQ_GPIOBNK0,
 		.end	= IRQ_GPIOBNK0,
 		.flags	= IORESOURCE_IRQ,
 	},
 	{
 		.start	= IRQ_GPIOBNK1,
 		.end	= IRQ_GPIOBNK1,
 		.flags	= IORESOURCE_IRQ,
 	},
 	{
 		.start	= IRQ_GPIOBNK2,
 		.end	= IRQ_GPIOBNK2,
 		.flags	= IORESOURCE_IRQ,
 	},
 	{
 		.start	= IRQ_GPIOBNK3,
 		.end	= IRQ_GPIOBNK3,
 		.flags	= IORESOURCE_IRQ,
 	},
 	{
 		.start	= IRQ_GPIOBNK4,
 		.end	= IRQ_GPIOBNK4,
 		.flags	= IORESOURCE_IRQ,
 	},
 };

 static struct davinci_gpio_platform_data dm644_gpio_platform_data = {
 	.no_auto_base	= true,
 	.base		= 0,
 	.ngpio		= 71,
 };

 int __init dm644x_gpio_register(void)
 {
 	return davinci_gpio_register(dm644_gpio_resources,
 				     ARRAY_SIZE(dm644_gpio_resources),
 				     &dm644_gpio_platform_data);
 }
 /*----------------------------------------------------------------------*/

 static struct map_desc dm644x_io_desc[] = {
 	{
 		.virtual	= IO_VIRT,
 		.pfn		= __phys_to_pfn(IO_PHYS),
 		.length		= IO_SIZE,
 		.type		= MT_DEVICE
 	},
 };

 /* Contents of JTAG ID register used to identify exact cpu type */
 static struct davinci_id dm644x_ids[] = {
 	{
 		.variant	= 0x0,
 		.part_no	= 0xb700,
 		.manufacturer	= 0x017,
 		.cpu_id		= DAVINCI_CPU_ID_DM6446,
 		.name		= "dm6446",
 	},
 	{
 		.variant	= 0x1,
 		.part_no	= 0xb700,
 		.manufacturer	= 0x017,
 		.cpu_id		= DAVINCI_CPU_ID_DM6446,
 		.name		= "dm6446a",
 	},
 };

 /*
  * T0_BOT: Timer 0, bottom:  clockevent source for hrtimers
  * T0_TOP: Timer 0, top   :  clocksource for generic timekeeping
  * T1_BOT: Timer 1, bottom:  (used by DSP in TI DSPLink code)
  * T1_TOP: Timer 1, top   :  <unused>
  */
 static struct davinci_timer_info dm644x_timer_info = {
 	.timers		= davinci_timer_instance,
 	.clockevent_id	= T0_BOT,
 	.clocksource_id	= T0_TOP,
 };

 static struct plat_serial8250_port dm644x_serial0_platform_data[] = {
 	{
 		.mapbase	= DAVINCI_UART0_BASE,
 		.irq		= IRQ_UARTINT0,
 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 				  UPF_IOREMAP,
 		.iotype		= UPIO_MEM,
 		.regshift	= 2,
 	},
 	{
 		.flags	= 0,
 	}
 };
 static struct plat_serial8250_port dm644x_serial1_platform_data[] = {
 	{
 		.mapbase	= DAVINCI_UART1_BASE,
 		.irq		= IRQ_UARTINT1,
 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 				  UPF_IOREMAP,
 		.iotype		= UPIO_MEM,
 		.regshift	= 2,
 	},
 	{
 		.flags	= 0,
 	}
 };
 static struct plat_serial8250_port dm644x_serial2_platform_data[] = {
 	{
 		.mapbase	= DAVINCI_UART2_BASE,
 		.irq		= IRQ_UARTINT2,
 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
 				  UPF_IOREMAP,
 		.iotype		= UPIO_MEM,
 		.regshift	= 2,
 	},
 	{
 		.flags	= 0,
 	}
 };

 struct platform_device dm644x_serial_device[] = {
 	{
 		.name			= "serial8250",
 		.id			= PLAT8250_DEV_PLATFORM,
 		.dev			= {
 			.platform_data	= dm644x_serial0_platform_data,
 		}
 	},
 	{
 		.name			= "serial8250",
 		.id			= PLAT8250_DEV_PLATFORM1,
 		.dev			= {
 			.platform_data	= dm644x_serial1_platform_data,
 		}
 	},
 	{
 		.name			= "serial8250",
 		.id			= PLAT8250_DEV_PLATFORM2,
 		.dev			= {
 			.platform_data	= dm644x_serial2_platform_data,
 		}
 	},
 	{
 	}
 };

 static const struct davinci_soc_info davinci_soc_info_dm644x = {
 	.io_desc		= dm644x_io_desc,
 	.io_desc_num		= ARRAY_SIZE(dm644x_io_desc),
 	.jtag_id_reg		= 0x01c40028,
 	.ids			= dm644x_ids,
 	.ids_num		= ARRAY_SIZE(dm644x_ids),
 	.pinmux_base		= DAVINCI_SYSTEM_MODULE_BASE,
 	.pinmux_pins		= dm644x_pins,
 	.pinmux_pins_num	= ARRAY_SIZE(dm644x_pins),
 	.intc_base		= DAVINCI_ARM_INTC_BASE,
 	.intc_type		= DAVINCI_INTC_TYPE_AINTC,
 	.intc_irq_prios 	= dm644x_default_priorities,
 	.intc_irq_num		= DAVINCI_N_AINTC_IRQ,
 	.timer_info		= &dm644x_timer_info,
 	.emac_pdata		= &dm644x_emac_pdata,
 	.sram_dma		= 0x00008000,
 	.sram_len		= SZ_16K,
 };

 void __init dm644x_init_asp(void)
 {
 	davinci_cfg_reg(DM644X_MCBSP);
 	platform_device_register(&dm644x_asp_device);
 }

 void __init dm644x_init(void)
 {
 	davinci_common_init(&davinci_soc_info_dm644x);
 	davinci_map_sysmod();
 }

 void __init dm644x_init_time(void)
 {
 	void __iomem *pll1, *psc;
 	struct clk *clk;

 	clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DM644X_REF_FREQ);

 	pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K);
 	dm644x_pll1_init(NULL, pll1, NULL);

 	psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K);
 	dm644x_psc_init(NULL, psc);

 	clk = clk_get(NULL, "timer0");

 	davinci_timer_init(clk);
 }

 static struct resource dm644x_pll2_resources[] = {
 	{
 		.start	= DAVINCI_PLL2_BASE,
 		.end	= DAVINCI_PLL2_BASE + SZ_1K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 };

 static struct platform_device dm644x_pll2_device = {
 	.name		= "dm644x-pll2",
 	.id		= -1,
 	.resource	= dm644x_pll2_resources,
 	.num_resources	= ARRAY_SIZE(dm644x_pll2_resources),
 };

 void __init dm644x_register_clocks(void)
 {
 	/* PLL1 and PSC are registered in dm644x_init_time() */
 	platform_device_register(&dm644x_pll2_device);
 }

 int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
 				struct vpbe_config *vpbe_cfg)
 {
 	if (vpfe_cfg || vpbe_cfg)
 		platform_device_register(&dm644x_vpss_device);

 	if (vpfe_cfg) {
 		dm644x_vpfe_dev.dev.platform_data = vpfe_cfg;
 		platform_device_register(&dm644x_ccdc_dev);
 		platform_device_register(&dm644x_vpfe_dev);
 	}

 	if (vpbe_cfg) {
 		dm644x_vpbe_dev.dev.platform_data = vpbe_cfg;
 		platform_device_register(&dm644x_osd_dev);
 		platform_device_register(&dm644x_venc_dev);
 		platform_device_register(&dm644x_vpbe_dev);
 		platform_device_register(&dm644x_vpbe_display);
 	}

 	return 0;
 }

 void __init dm644x_init_devices(void)
 {
 	struct platform_device *edma_pdev;
 	int ret;

 	edma_pdev = platform_device_register_full(&dm644x_edma_device);
 	if (IS_ERR(edma_pdev))
 		pr_warn("%s: Failed to register eDMA\n", __func__);

 	platform_device_register(&dm644x_mdio_device);
 	platform_device_register(&dm644x_emac_device);

 	ret = davinci_init_wdt();
 	if (ret)
 		pr_warn("%s: watchdog init failed: %d\n", __func__, ret);

 }
	/*
	* TI DaVinci DM644x chip specific setup
	*
	* Author: Kevin Hilman, Deep Root Systems, LLC
	*
	* 2007 (c) Deep Root Systems, LLC. This file is licensed under
	* the terms of the GNU General Public License version 2. This program
	* is licensed "as is" without any warranty of any kind, whether express
	* or implied.
	*/

	#include <linux/clk-provider.h>
	#include <linux/clk/davinci.h>
	#include <linux/clkdev.h>
	#include <linux/dmaengine.h>
	#include <linux/init.h>
	#include <linux/platform_data/edma.h>
	#include <linux/platform_data/gpio-davinci.h>
	#include <linux/platform_device.h>
	#include <linux/serial_8250.h>

	#include <asm/mach/map.h>

	#include <mach/common.h>
	#include <mach/cputype.h>
	#include <mach/irqs.h>
	#include <mach/mux.h>
	#include <mach/serial.h>
	#include <mach/time.h>

	#include "asp.h"
	#include "davinci.h"
	#include "mux.h"

	/*
	* Device specific clocks
	*/
	#define DM644X_REF_FREQ 27000000

	#define DM644X_EMAC_BASE 0x01c80000
	#define DM644X_EMAC_MDIO_BASE (DM644X_EMAC_BASE + 0x4000)
	#define DM644X_EMAC_CNTRL_OFFSET 0x0000
	#define DM644X_EMAC_CNTRL_MOD_OFFSET 0x1000
	#define DM644X_EMAC_CNTRL_RAM_OFFSET 0x2000
	#define DM644X_EMAC_CNTRL_RAM_SIZE 0x2000

	static struct emac_platform_data dm644x_emac_pdata = {
	.ctrl_reg_offset = DM644X_EMAC_CNTRL_OFFSET,
	.ctrl_mod_reg_offset = DM644X_EMAC_CNTRL_MOD_OFFSET,
	.ctrl_ram_offset = DM644X_EMAC_CNTRL_RAM_OFFSET,
	.ctrl_ram_size = DM644X_EMAC_CNTRL_RAM_SIZE,
	.version = EMAC_VERSION_1,
	};

	static struct resource dm644x_emac_resources[] = {
	{
	.start = DM644X_EMAC_BASE,
	.end = DM644X_EMAC_BASE + SZ_16K - 1,
	.flags = IORESOURCE_MEM,
	},
	{
	.start = IRQ_EMACINT,
	.end = IRQ_EMACINT,
	.flags = IORESOURCE_IRQ,
	},
	};

	static struct platform_device dm644x_emac_device = {
	.name = "davinci_emac",
	.id = 1,
	.dev = {
	.platform_data = &dm644x_emac_pdata,
	},
	.num_resources = ARRAY_SIZE(dm644x_emac_resources),
	.resource = dm644x_emac_resources,
	};

	static struct resource dm644x_mdio_resources[] = {
	{
	.start = DM644X_EMAC_MDIO_BASE,
	.end = DM644X_EMAC_MDIO_BASE + SZ_4K - 1,
	.flags = IORESOURCE_MEM,
	},
	};

	static struct platform_device dm644x_mdio_device = {
	.name = "davinci_mdio",
	.id = 0,
	.num_resources = ARRAY_SIZE(dm644x_mdio_resources),
	.resource = dm644x_mdio_resources,
	};

	/*
	* Device specific mux setup
	*
	* soc description mux mode mode mux dbg
	* reg offset mask mode
	*/
	static const struct mux_config dm644x_pins[] = {
	#ifdef CONFIG_DAVINCI_MUX
	MUX_CFG(DM644X, HDIREN, 0, 16, 1, 1, true)
	MUX_CFG(DM644X, ATAEN, 0, 17, 1, 1, true)
	MUX_CFG(DM644X, ATAEN_DISABLE, 0, 17, 1, 0, true)

	MUX_CFG(DM644X, HPIEN_DISABLE, 0, 29, 1, 0, true)

	MUX_CFG(DM644X, AEAW, 0, 0, 31, 31, true)
	MUX_CFG(DM644X, AEAW0, 0, 0, 1, 0, true)
	MUX_CFG(DM644X, AEAW1, 0, 1, 1, 0, true)
	MUX_CFG(DM644X, AEAW2, 0, 2, 1, 0, true)
	MUX_CFG(DM644X, AEAW3, 0, 3, 1, 0, true)
	MUX_CFG(DM644X, AEAW4, 0, 4, 1, 0, true)

	MUX_CFG(DM644X, MSTK, 1, 9, 1, 0, false)

	MUX_CFG(DM644X, I2C, 1, 7, 1, 1, false)

	MUX_CFG(DM644X, MCBSP, 1, 10, 1, 1, false)

	MUX_CFG(DM644X, UART1, 1, 1, 1, 1, true)
	MUX_CFG(DM644X, UART2, 1, 2, 1, 1, true)

	MUX_CFG(DM644X, PWM0, 1, 4, 1, 1, false)

	MUX_CFG(DM644X, PWM1, 1, 5, 1, 1, false)

	MUX_CFG(DM644X, PWM2, 1, 6, 1, 1, false)

	MUX_CFG(DM644X, VLYNQEN, 0, 15, 1, 1, false)
	MUX_CFG(DM644X, VLSCREN, 0, 14, 1, 1, false)
	MUX_CFG(DM644X, VLYNQWD, 0, 12, 3, 3, false)

	MUX_CFG(DM644X, EMACEN, 0, 31, 1, 1, true)

	MUX_CFG(DM644X, GPIO3V, 0, 31, 1, 0, true)

	MUX_CFG(DM644X, GPIO0, 0, 24, 1, 0, true)
	MUX_CFG(DM644X, GPIO3, 0, 25, 1, 0, false)
	MUX_CFG(DM644X, GPIO43_44, 1, 7, 1, 0, false)
	MUX_CFG(DM644X, GPIO46_47, 0, 22, 1, 0, true)

	MUX_CFG(DM644X, RGB666, 0, 22, 1, 1, true)

	MUX_CFG(DM644X, LOEEN, 0, 24, 1, 1, true)
	MUX_CFG(DM644X, LFLDEN, 0, 25, 1, 1, false)
	#endif
	};

	/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
	static u8 dm644x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
	[IRQ_VDINT0] = 2,
	[IRQ_VDINT1] = 6,
	[IRQ_VDINT2] = 6,
	[IRQ_HISTINT] = 6,
	[IRQ_H3AINT] = 6,
	[IRQ_PRVUINT] = 6,
	[IRQ_RSZINT] = 6,
	[7] = 7,
	[IRQ_VENCINT] = 6,
	[IRQ_ASQINT] = 6,
	[IRQ_IMXINT] = 6,
	[IRQ_VLCDINT] = 6,
	[IRQ_USBINT] = 4,
	[IRQ_EMACINT] = 4,
	[14] = 7,
	[15] = 7,
	[IRQ_CCINT0] = 5, /* dma */
	[IRQ_CCERRINT] = 5, /* dma */
	[IRQ_TCERRINT0] = 5, /* dma */
	[IRQ_TCERRINT] = 5, /* dma */
	[IRQ_PSCIN] = 7,
	[21] = 7,
	[IRQ_IDE] = 4,
	[23] = 7,
	[IRQ_MBXINT] = 7,
	[IRQ_MBRINT] = 7,
	[IRQ_MMCINT] = 7,
	[IRQ_SDIOINT] = 7,
	[28] = 7,
	[IRQ_DDRINT] = 7,
	[IRQ_AEMIFINT] = 7,
	[IRQ_VLQINT] = 4,
	[IRQ_TINT0_TINT12] = 2, /* clockevent */
	[IRQ_TINT0_TINT34] = 2, /* clocksource */
	[IRQ_TINT1_TINT12] = 7, /* DSP timer */
	[IRQ_TINT1_TINT34] = 7, /* system tick */
	[IRQ_PWMINT0] = 7,
	[IRQ_PWMINT1] = 7,
	[IRQ_PWMINT2] = 7,
	[IRQ_I2C] = 3,
	[IRQ_UARTINT0] = 3,
	[IRQ_UARTINT1] = 3,
	[IRQ_UARTINT2] = 3,
	[IRQ_SPINT0] = 3,
	[IRQ_SPINT1] = 3,
	[45] = 7,
	[IRQ_DSP2ARM0] = 4,
	[IRQ_DSP2ARM1] = 4,
	[IRQ_GPIO0] = 7,
	[IRQ_GPIO1] = 7,
	[IRQ_GPIO2] = 7,
	[IRQ_GPIO3] = 7,
	[IRQ_GPIO4] = 7,
	[IRQ_GPIO5] = 7,
	[IRQ_GPIO6] = 7,
	[IRQ_GPIO7] = 7,
	[IRQ_GPIOBNK0] = 7,
	[IRQ_GPIOBNK1] = 7,
	[IRQ_GPIOBNK2] = 7,
	[IRQ_GPIOBNK3] = 7,
	[IRQ_GPIOBNK4] = 7,
	[IRQ_COMMTX] = 7,
	[IRQ_COMMRX] = 7,
	[IRQ_EMUINT] = 7,
	};

	/----------------------------------------------------------------------/

	static s8 queue_priority_mapping[][2] = {
	/* {event queue no, Priority} */
	{0, 3},
	{1, 7},
	{-1, -1},
	};

	static const struct dma_slave_map dm644x_edma_map[] = {
	{ "davinci-mcbsp", "tx", EDMA_FILTER_PARAM(0, 2) },
	{ "davinci-mcbsp", "rx", EDMA_FILTER_PARAM(0, 3) },
	{ "spi_davinci", "tx", EDMA_FILTER_PARAM(0, 16) },
	{ "spi_davinci", "rx", EDMA_FILTER_PARAM(0, 17) },
	{ "dm6441-mmc.0", "rx", EDMA_FILTER_PARAM(0, 26) },
	{ "dm6441-mmc.0", "tx", EDMA_FILTER_PARAM(0, 27) },
	};

	static struct edma_soc_info dm644x_edma_pdata = {
	.queue_priority_mapping = queue_priority_mapping,
	.default_queue = EVENTQ_1,
	.slave_map = dm644x_edma_map,
	.slavecnt = ARRAY_SIZE(dm644x_edma_map),
	};

	static struct resource edma_resources[] = {
	{
	.name = "edma3_cc",
	.start = 0x01c00000,
	.end = 0x01c00000 + SZ_64K - 1,
	.flags = IORESOURCE_MEM,
	},
	{
	.name = "edma3_tc0",
	.start = 0x01c10000,
	.end = 0x01c10000 + SZ_1K - 1,
	.flags = IORESOURCE_MEM,
	},
	{
	.name = "edma3_tc1",
	.start = 0x01c10400,
	.end = 0x01c10400 + SZ_1K - 1,
	.flags = IORESOURCE_MEM,
	},
	{
	.name = "edma3_ccint",
	.start = IRQ_CCINT0,
	.flags = IORESOURCE_IRQ,
	},
	{
	.name = "edma3_ccerrint",
	.start = IRQ_CCERRINT,
	.flags = IORESOURCE_IRQ,
	},
	/* not using TC_ERR /
	};

	static const struct platform_device_info dm644x_edma_device __initconst = {
	.name = "edma",
	.id = 0,
	.dma_mask = DMA_BIT_MASK(32),
	.res = edma_resources,
	.num_res = ARRAY_SIZE(edma_resources),
	.data = &dm644x_edma_pdata,
	.size_data = sizeof(dm644x_edma_pdata),
	};

	/* DM6446 EVM uses ASP0; line-out is a pair of RCA jacks */
	static struct resource dm644x_asp_resources[] = {
	{
	.name = "mpu",
	.start = DAVINCI_ASP0_BASE,
	.end = DAVINCI_ASP0_BASE + SZ_8K - 1,
	.flags = IORESOURCE_MEM,
	},
	{
	.start = DAVINCI_DMA_ASP0_TX,
	.end = DAVINCI_DMA_ASP0_TX,
	.flags = IORESOURCE_DMA,
	},
	{
	.start = DAVINCI_DMA_ASP0_RX,
	.end = DAVINCI_DMA_ASP0_RX,
	.flags = IORESOURCE_DMA,
	},
	};

	static struct platform_device dm644x_asp_device = {
	.name = "davinci-mcbsp",
	.id = -1,
	.num_resources = ARRAY_SIZE(dm644x_asp_resources),
	.resource = dm644x_asp_resources,
	};

	#define DM644X_VPSS_BASE 0x01c73400

	static struct resource dm644x_vpss_resources[] = {
	{
	/* VPSS Base address */
	.name = "vpss",
	.start = DM644X_VPSS_BASE,
	.end = DM644X_VPSS_BASE + 0xff,
	.flags = IORESOURCE_MEM,
	},
	};

	static struct platform_device dm644x_vpss_device = {
	.name = "vpss",
	.id = -1,
	.dev.platform_data = "dm644x_vpss",
	.num_resources = ARRAY_SIZE(dm644x_vpss_resources),
	.resource = dm644x_vpss_resources,
	};

	static struct resource dm644x_vpfe_resources[] = {
	{
	.start = IRQ_VDINT0,
	.end = IRQ_VDINT0,
	.flags = IORESOURCE_IRQ,
	},
	{
	.start = IRQ_VDINT1,
	.end = IRQ_VDINT1,
	.flags = IORESOURCE_IRQ,
	},
	};

	static u64 dm644x_video_dma_mask = DMA_BIT_MASK(32);
	static struct resource dm644x_ccdc_resource[] = {
	/* CCDC Base address */
	{
	.start = 0x01c70400,
	.end = 0x01c70400 + 0xff,
	.flags = IORESOURCE_MEM,
	},
	};

	static struct platform_device dm644x_ccdc_dev = {
	.name = "dm644x_ccdc",
	.id = -1,
	.num_resources = ARRAY_SIZE(dm644x_ccdc_resource),
	.resource = dm644x_ccdc_resource,
	.dev = {
	.dma_mask = &dm644x_video_dma_mask,
	.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	};

	static struct platform_device dm644x_vpfe_dev = {
	.name = CAPTURE_DRV_NAME,
	.id = -1,
	.num_resources = ARRAY_SIZE(dm644x_vpfe_resources),
	.resource = dm644x_vpfe_resources,
	.dev = {
	.dma_mask = &dm644x_video_dma_mask,
	.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	};

	#define DM644X_OSD_BASE 0x01c72600

	static struct resource dm644x_osd_resources[] = {
	{
	.start = DM644X_OSD_BASE,
	.end = DM644X_OSD_BASE + 0x1ff,
	.flags = IORESOURCE_MEM,
	},
	};

	static struct platform_device dm644x_osd_dev = {
	.name = DM644X_VPBE_OSD_SUBDEV_NAME,
	.id = -1,
	.num_resources = ARRAY_SIZE(dm644x_osd_resources),
	.resource = dm644x_osd_resources,
	.dev = {
	.dma_mask = &dm644x_video_dma_mask,
	.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	};

	#define DM644X_VENC_BASE 0x01c72400

	static struct resource dm644x_venc_resources[] = {
	{
	.start = DM644X_VENC_BASE,
	.end = DM644X_VENC_BASE + 0x17f,
	.flags = IORESOURCE_MEM,
	},
	};

	#define DM644X_VPSS_MUXSEL_PLL2_MODE BIT(0)
	#define DM644X_VPSS_MUXSEL_VPBECLK_MODE BIT(1)
	#define DM644X_VPSS_VENCLKEN BIT(3)
	#define DM644X_VPSS_DACCLKEN BIT(4)

	static int dm644x_venc_setup_clock(enum vpbe_enc_timings_type type,
	unsigned int pclock)
	{
	int ret = 0;
	u32 v = DM644X_VPSS_VENCLKEN;

	switch (type) {
	case VPBE_ENC_STD:
	v \|= DM644X_VPSS_DACCLKEN;
	writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
	break;
	case VPBE_ENC_DV_TIMINGS:
	if (pclock <= 27000000) {
	v \|= DM644X_VPSS_DACCLKEN;
	writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
	} else {
	/*
	* For HD, use external clock source since
	* HD requires higher clock rate
	*/
	v \|= DM644X_VPSS_MUXSEL_VPBECLK_MODE;
	writel(v, DAVINCI_SYSMOD_VIRT(SYSMOD_VPSS_CLKCTL));
	}
	break;
	default:
	ret = -EINVAL;
	}

	return ret;
	}

	static struct resource dm644x_v4l2_disp_resources[] = {
	{
	.start = IRQ_VENCINT,
	.end = IRQ_VENCINT,
	.flags = IORESOURCE_IRQ,
	},
	};

	static struct platform_device dm644x_vpbe_display = {
	.name = "vpbe-v4l2",
	.id = -1,
	.num_resources = ARRAY_SIZE(dm644x_v4l2_disp_resources),
	.resource = dm644x_v4l2_disp_resources,
	.dev = {
	.dma_mask = &dm644x_video_dma_mask,
	.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	};

	static struct venc_platform_data dm644x_venc_pdata = {
	.setup_clock = dm644x_venc_setup_clock,
	};

	static struct platform_device dm644x_venc_dev = {
	.name = DM644X_VPBE_VENC_SUBDEV_NAME,
	.id = -1,
	.num_resources = ARRAY_SIZE(dm644x_venc_resources),
	.resource = dm644x_venc_resources,
	.dev = {
	.dma_mask = &dm644x_video_dma_mask,
	.coherent_dma_mask = DMA_BIT_MASK(32),
	.platform_data = &dm644x_venc_pdata,
	},
	};

	static struct platform_device dm644x_vpbe_dev = {
	.name = "vpbe_controller",
	.id = -1,
	.dev = {
	.dma_mask = &dm644x_video_dma_mask,
	.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	};

	static struct resource dm644_gpio_resources[] = {
	{ /* registers */
	.start = DAVINCI_GPIO_BASE,
	.end = DAVINCI_GPIO_BASE + SZ_4K - 1,
	.flags = IORESOURCE_MEM,
	},
	{ /* interrupt */
	.start = IRQ_GPIOBNK0,
	.end = IRQ_GPIOBNK0,
	.flags = IORESOURCE_IRQ,
	},
	{
	.start = IRQ_GPIOBNK1,
	.end = IRQ_GPIOBNK1,
	.flags = IORESOURCE_IRQ,
	},
	{
	.start = IRQ_GPIOBNK2,
	.end = IRQ_GPIOBNK2,
	.flags = IORESOURCE_IRQ,
	},
	{
	.start = IRQ_GPIOBNK3,
	.end = IRQ_GPIOBNK3,
	.flags = IORESOURCE_IRQ,
	},
	{
	.start = IRQ_GPIOBNK4,
	.end = IRQ_GPIOBNK4,
	.flags = IORESOURCE_IRQ,
	},
	};

	static struct davinci_gpio_platform_data dm644_gpio_platform_data = {
	.no_auto_base = true,
	.base = 0,
	.ngpio = 71,
	};

	int __init dm644x_gpio_register(void)
	{
	return davinci_gpio_register(dm644_gpio_resources,
	ARRAY_SIZE(dm644_gpio_resources),
	&dm644_gpio_platform_data);
	}
	/----------------------------------------------------------------------/

	static struct map_desc dm644x_io_desc[] = {
	{
	.virtual = IO_VIRT,
	.pfn = __phys_to_pfn(IO_PHYS),
	.length = IO_SIZE,
	.type = MT_DEVICE
	},
	};

	/* Contents of JTAG ID register used to identify exact cpu type */
	static struct davinci_id dm644x_ids[] = {
	{
	.variant = 0x0,
	.part_no = 0xb700,
	.manufacturer = 0x017,
	.cpu_id = DAVINCI_CPU_ID_DM6446,
	.name = "dm6446",
	},
	{
	.variant = 0x1,
	.part_no = 0xb700,
	.manufacturer = 0x017,
	.cpu_id = DAVINCI_CPU_ID_DM6446,
	.name = "dm6446a",
	},
	};

	/*
	* T0_BOT: Timer 0, bottom: clockevent source for hrtimers
	* T0_TOP: Timer 0, top : clocksource for generic timekeeping
	* T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code)
	* T1_TOP: Timer 1, top : <unused>
	*/
	static struct davinci_timer_info dm644x_timer_info = {
	.timers = davinci_timer_instance,
	.clockevent_id = T0_BOT,
	.clocksource_id = T0_TOP,
	};

	static struct plat_serial8250_port dm644x_serial0_platform_data[] = {
	{
	.mapbase = DAVINCI_UART0_BASE,
	.irq = IRQ_UARTINT0,
	.flags = UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST \|
	UPF_IOREMAP,
	.iotype = UPIO_MEM,
	.regshift = 2,
	},
	{
	.flags = 0,
	}
	};
	static struct plat_serial8250_port dm644x_serial1_platform_data[] = {
	{
	.mapbase = DAVINCI_UART1_BASE,
	.irq = IRQ_UARTINT1,
	.flags = UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST \|
	UPF_IOREMAP,
	.iotype = UPIO_MEM,
	.regshift = 2,
	},
	{
	.flags = 0,
	}
	};
	static struct plat_serial8250_port dm644x_serial2_platform_data[] = {
	{
	.mapbase = DAVINCI_UART2_BASE,
	.irq = IRQ_UARTINT2,
	.flags = UPF_BOOT_AUTOCONF \| UPF_SKIP_TEST \|
	UPF_IOREMAP,
	.iotype = UPIO_MEM,
	.regshift = 2,
	},
	{
	.flags = 0,
	}
	};

	struct platform_device dm644x_serial_device[] = {
	{
	.name = "serial8250",
	.id = PLAT8250_DEV_PLATFORM,
	.dev = {
	.platform_data = dm644x_serial0_platform_data,
	}
	},
	{
	.name = "serial8250",
	.id = PLAT8250_DEV_PLATFORM1,
	.dev = {
	.platform_data = dm644x_serial1_platform_data,
	}
	},
	{
	.name = "serial8250",
	.id = PLAT8250_DEV_PLATFORM2,
	.dev = {
	.platform_data = dm644x_serial2_platform_data,
	}
	},
	{
	}
	};

	static const struct davinci_soc_info davinci_soc_info_dm644x = {
	.io_desc = dm644x_io_desc,
	.io_desc_num = ARRAY_SIZE(dm644x_io_desc),
	.jtag_id_reg = 0x01c40028,
	.ids = dm644x_ids,
	.ids_num = ARRAY_SIZE(dm644x_ids),
	.pinmux_base = DAVINCI_SYSTEM_MODULE_BASE,
	.pinmux_pins = dm644x_pins,
	.pinmux_pins_num = ARRAY_SIZE(dm644x_pins),
	.intc_base = DAVINCI_ARM_INTC_BASE,
	.intc_type = DAVINCI_INTC_TYPE_AINTC,
	.intc_irq_prios = dm644x_default_priorities,
	.intc_irq_num = DAVINCI_N_AINTC_IRQ,
	.timer_info = &dm644x_timer_info,
	.emac_pdata = &dm644x_emac_pdata,
	.sram_dma = 0x00008000,
	.sram_len = SZ_16K,
	};

	void __init dm644x_init_asp(void)
	{
	davinci_cfg_reg(DM644X_MCBSP);
	platform_device_register(&dm644x_asp_device);
	}

	void __init dm644x_init(void)
	{
	davinci_common_init(&davinci_soc_info_dm644x);
	davinci_map_sysmod();
	}

	void __init dm644x_init_time(void)
	{
	void __iomem pll1, psc;
	struct clk *clk;

	clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DM644X_REF_FREQ);

	pll1 = ioremap(DAVINCI_PLL1_BASE, SZ_1K);
	dm644x_pll1_init(NULL, pll1, NULL);

	psc = ioremap(DAVINCI_PWR_SLEEP_CNTRL_BASE, SZ_4K);
	dm644x_psc_init(NULL, psc);

	clk = clk_get(NULL, "timer0");

	davinci_timer_init(clk);
	}

	static struct resource dm644x_pll2_resources[] = {
	{
	.start = DAVINCI_PLL2_BASE,
	.end = DAVINCI_PLL2_BASE + SZ_1K - 1,
	.flags = IORESOURCE_MEM,
	},
	};

	static struct platform_device dm644x_pll2_device = {
	.name = "dm644x-pll2",
	.id = -1,
	.resource = dm644x_pll2_resources,
	.num_resources = ARRAY_SIZE(dm644x_pll2_resources),
	};

	void __init dm644x_register_clocks(void)
	{
	/* PLL1 and PSC are registered in dm644x_init_time() */
	platform_device_register(&dm644x_pll2_device);
	}

	int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
	struct vpbe_config *vpbe_cfg)
	{
	if (vpfe_cfg \|\| vpbe_cfg)
	platform_device_register(&dm644x_vpss_device);

	if (vpfe_cfg) {
	dm644x_vpfe_dev.dev.platform_data = vpfe_cfg;
	platform_device_register(&dm644x_ccdc_dev);
	platform_device_register(&dm644x_vpfe_dev);
	}

	if (vpbe_cfg) {
	dm644x_vpbe_dev.dev.platform_data = vpbe_cfg;
	platform_device_register(&dm644x_osd_dev);
	platform_device_register(&dm644x_venc_dev);
	platform_device_register(&dm644x_vpbe_dev);
	platform_device_register(&dm644x_vpbe_display);
	}

	return 0;
	}

	void __init dm644x_init_devices(void)
	{
	struct platform_device *edma_pdev;
	int ret;

	edma_pdev = platform_device_register_full(&dm644x_edma_device);
	if (IS_ERR(edma_pdev))
	pr_warn("%s: Failed to register eDMA\n", __func__);

	platform_device_register(&dm644x_mdio_device);
	platform_device_register(&dm644x_emac_device);

	ret = davinci_init_wdt();
	if (ret)
	pr_warn("%s: watchdog init failed: %d\n", __func__, ret);

	}