cregit-Linux how code gets into the kernel

Release 4.11 arch/arm/mach-davinci/dm644x.c

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

#include <asm/mach/map.h>

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

#include "davinci.h"
#include "clock.h"
#include "mux.h"
#include "asp.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 pll_data pll1_data = {
	.num       = 1,
	.phys_base = DAVINCI_PLL1_BASE,
};


static struct pll_data pll2_data = {
	.num       = 2,
	.phys_base = DAVINCI_PLL2_BASE,
};


static struct clk ref_clk = {
	.name = "ref_clk",
	.rate = DM644X_REF_FREQ,
};


static struct clk pll1_clk = {
	.name = "pll1",
	.parent = &ref_clk,
	.pll_data = &pll1_data,
	.flags = CLK_PLL,
};


static struct clk pll1_sysclk1 = {
	.name = "pll1_sysclk1",
	.parent = &pll1_clk,
	.flags = CLK_PLL,
	.div_reg = PLLDIV1,
};


static struct clk pll1_sysclk2 = {
	.name = "pll1_sysclk2",
	.parent = &pll1_clk,
	.flags = CLK_PLL,
	.div_reg = PLLDIV2,
};


static struct clk pll1_sysclk3 = {
	.name = "pll1_sysclk3",
	.parent = &pll1_clk,
	.flags = CLK_PLL,
	.div_reg = PLLDIV3,
};


static struct clk pll1_sysclk5 = {
	.name = "pll1_sysclk5",
	.parent = &pll1_clk,
	.flags = CLK_PLL,
	.div_reg = PLLDIV5,
};


static struct clk pll1_aux_clk = {
	.name = "pll1_aux_clk",
	.parent = &pll1_clk,
	.flags = CLK_PLL | PRE_PLL,
};


static struct clk pll1_sysclkbp = {
	.name = "pll1_sysclkbp",
	.parent = &pll1_clk,
	.flags = CLK_PLL | PRE_PLL,
	.div_reg = BPDIV
};


static struct clk pll2_clk = {
	.name = "pll2",
	.parent = &ref_clk,
	.pll_data = &pll2_data,
	.flags = CLK_PLL,
};


static struct clk pll2_sysclk1 = {
	.name = "pll2_sysclk1",
	.parent = &pll2_clk,
	.flags = CLK_PLL,
	.div_reg = PLLDIV1,
};


static struct clk pll2_sysclk2 = {
	.name = "pll2_sysclk2",
	.parent = &pll2_clk,
	.flags = CLK_PLL,
	.div_reg = PLLDIV2,
};


static struct clk pll2_sysclkbp = {
	.name = "pll2_sysclkbp",
	.parent = &pll2_clk,
	.flags = CLK_PLL | PRE_PLL,
	.div_reg = BPDIV
};


static struct clk dsp_clk = {
	.name = "dsp",
	.parent = &pll1_sysclk1,
	.lpsc = DAVINCI_LPSC_GEM,
	.domain = DAVINCI_GPSC_DSPDOMAIN,
	.usecount = 1,			/* REVISIT how to disable? */
};


static struct clk arm_clk = {
	.name = "arm",
	.parent = &pll1_sysclk2,
	.lpsc = DAVINCI_LPSC_ARM,
	.flags = ALWAYS_ENABLED,
};


static struct clk vicp_clk = {
	.name = "vicp",
	.parent = &pll1_sysclk2,
	.lpsc = DAVINCI_LPSC_IMCOP,
	.domain = DAVINCI_GPSC_DSPDOMAIN,
	.usecount = 1,			/* REVISIT how to disable? */
};


static struct clk vpss_master_clk = {
	.name = "vpss_master",
	.parent = &pll1_sysclk3,
	.lpsc = DAVINCI_LPSC_VPSSMSTR,
	.flags = CLK_PSC,
};


static struct clk vpss_slave_clk = {
	.name = "vpss_slave",
	.parent = &pll1_sysclk3,
	.lpsc = DAVINCI_LPSC_VPSSSLV,
};


static struct clk uart0_clk = {
	.name = "uart0",
	.parent = &pll1_aux_clk,
	.lpsc = DAVINCI_LPSC_UART0,
};


static struct clk uart1_clk = {
	.name = "uart1",
	.parent = &pll1_aux_clk,
	.lpsc = DAVINCI_LPSC_UART1,
};


static struct clk uart2_clk = {
	.name = "uart2",
	.parent = &pll1_aux_clk,
	.lpsc = DAVINCI_LPSC_UART2,
};


static struct clk emac_clk = {
	.name = "emac",
	.parent = &pll1_sysclk5,
	.lpsc = DAVINCI_LPSC_EMAC_WRAPPER,
};


static struct clk i2c_clk = {
	.name = "i2c",
	.parent = &pll1_aux_clk,
	.lpsc = DAVINCI_LPSC_I2C,
};


static struct clk ide_clk = {
	.name = "ide",
	.parent = &pll1_sysclk5,
	.lpsc = DAVINCI_LPSC_ATA,
};


static struct clk asp_clk = {
	.name = "asp0",
	.parent = &pll1_sysclk5,
	.lpsc = DAVINCI_LPSC_McBSP,
};


static struct clk mmcsd_clk = {
	.name = "mmcsd",
	.parent = &pll1_sysclk5,
	.lpsc = DAVINCI_LPSC_MMC_SD,
};


static struct clk spi_clk = {
	.name = "spi",
	.parent = &pll1_sysclk5,
	.lpsc = DAVINCI_LPSC_SPI,
};


static struct clk gpio_clk = {
	.name = "gpio",
	.parent = &pll1_sysclk5,
	.lpsc = DAVINCI_LPSC_GPIO,
};


static struct clk usb_clk = {
	.name = "usb",
	.parent = &pll1_sysclk5,
	.lpsc = DAVINCI_LPSC_USB,
};


static struct clk vlynq_clk = {
	.name = "vlynq",
	.parent = &pll1_sysclk5,
	.lpsc = DAVINCI_LPSC_VLYNQ,
};


static struct clk aemif_clk = {
	.name = "aemif",
	.parent = &pll1_sysclk5,
	.lpsc = DAVINCI_LPSC_AEMIF,
};


static struct clk pwm0_clk = {
	.name = "pwm0",
	.parent = &pll1_aux_clk,
	.lpsc = DAVINCI_LPSC_PWM0,
};


static struct clk pwm1_clk = {
	.name = "pwm1",
	.parent = &pll1_aux_clk,
	.lpsc = DAVINCI_LPSC_PWM1,
};


static struct clk pwm2_clk = {
	.name = "pwm2",
	.parent = &pll1_aux_clk,
	.lpsc = DAVINCI_LPSC_PWM2,
};


static struct clk timer0_clk = {
	.name = "timer0",
	.parent = &pll1_aux_clk,
	.lpsc = DAVINCI_LPSC_TIMER0,
};


static struct clk timer1_clk = {
	.name = "timer1",
	.parent = &pll1_aux_clk,
	.lpsc = DAVINCI_LPSC_TIMER1,
};


static struct clk timer2_clk = {
	.name = "timer2",
	.parent = &pll1_aux_clk,
	.lpsc = DAVINCI_LPSC_TIMER2,
	.usecount = 1,              /* REVISIT: why can't this be disabled? */
};


static struct clk_lookup dm644x_clks[] = {
	CLK(NULL, "ref", &ref_clk),
	CLK(NULL, "pll1", &pll1_clk),
	CLK(NULL, "pll1_sysclk1", &pll1_sysclk1),
	CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
	CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
	CLK(NULL, "pll1_sysclk5", &pll1_sysclk5),
	CLK(NULL, "pll1_aux", &pll1_aux_clk),
	CLK(NULL, "pll1_sysclkbp", &pll1_sysclkbp),
	CLK(NULL, "pll2", &pll2_clk),
	CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
	CLK(NULL, "pll2_sysclk2", &pll2_sysclk2),
	CLK(NULL, "pll2_sysclkbp", &pll2_sysclkbp),
	CLK(NULL, "dsp", &dsp_clk),
	CLK(NULL, "arm", &arm_clk),
	CLK(NULL, "vicp", &vicp_clk),
	CLK("vpss", "master", &vpss_master_clk),
	CLK("vpss", "slave", &vpss_slave_clk),
	CLK(NULL, "arm", &arm_clk),
	CLK("serial8250.0", NULL, &uart0_clk),
	CLK("serial8250.1", NULL, &uart1_clk),
	CLK("serial8250.2", NULL, &uart2_clk),
	CLK("davinci_emac.1", NULL, &emac_clk),
	CLK("davinci_mdio.0", "fck", &emac_clk),
	CLK("i2c_davinci.1", NULL, &i2c_clk),
	CLK("palm_bk3710", NULL, &ide_clk),
	CLK("davinci-mcbsp", NULL, &asp_clk),
	CLK("dm6441-mmc.0", NULL, &mmcsd_clk),
	CLK(NULL, "spi", &spi_clk),
	CLK(NULL, "gpio", &gpio_clk),
	CLK(NULL, "usb", &usb_clk),
	CLK(NULL, "vlynq", &vlynq_clk),
	CLK(NULL, "aemif", &aemif_clk),
	CLK(NULL, "pwm0", &pwm0_clk),
	CLK(NULL, "pwm1", &pwm1_clk),
	CLK(NULL, "pwm2", &pwm2_clk),
	CLK(NULL, "timer0", &timer0_clk),
	CLK(NULL, "timer1", &timer1_clk),
	CLK("davinci-wdt", NULL, &timer2_clk),
	CLK(NULL, NULL, NULL),
};


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; }

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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_GPIOBNK4, .flags = IORESOURCE_IRQ, }, }; static struct davinci_gpio_platform_data dm644_gpio_platform_data = { .ngpio = 71, };
int __init dm644x_gpio_register(void) { return davinci_gpio_register(dm644_gpio_resources, ARRAY_SIZE(dm644_gpio_resources), &dm644_gpio_platform_data); }

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/*----------------------------------------------------------------------*/ 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", }, }; static u32 dm644x_psc_bases[] = { DAVINCI_PWR_SLEEP_CNTRL_BASE }; /* * 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 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), .cpu_clks = dm644x_clks, .psc_bases = dm644x_psc_bases, .psc_bases_num = ARRAY_SIZE(dm644x_psc_bases), .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); }

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

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Manjunath Hadli312.50%125.00%
Total24100.00%4100.00%


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; }

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Kevin Hilman88.42%133.33%
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static int __init dm644x_init_devices(void) { struct platform_device *edma_pdev; int ret = 0; if (!cpu_is_davinci_dm644x()) return 0; edma_pdev = platform_device_register_full(&dm644x_edma_device); if (IS_ERR(edma_pdev)) { pr_warn("%s: Failed to register eDMA\n", __func__); return PTR_ERR(edma_pdev); } 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); return ret; }

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Peter Ujfalusi3032.97%116.67%
Sekhar Nori2426.37%116.67%
Manjunath Hadli1920.88%116.67%
Mark A. Greer66.59%116.67%
Kevin Hilman66.59%116.67%
Cyril Chemparathy66.59%116.67%
Total91100.00%6100.00%

postcore_initcall(dm644x_init_devices);

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Kevin Hilman201345.99%47.02%
Mark A. Greer80818.46%1017.54%
Manjunath Hadli54712.50%712.28%
Murali Karicheri2455.60%35.26%
Peter Ujfalusi1693.86%58.77%
Chaithrika U S1132.58%11.75%
Prakash Manjunathappa912.08%23.51%
Philip Avinash841.92%11.75%
Andrey Porodko801.83%11.75%
Cyril Chemparathy711.62%35.26%
Sudhakar Rajashekhara701.60%23.51%
Sekhar Nori260.59%23.51%
Lad Prabhakar170.39%47.02%
David Brownell100.23%11.75%
Hans Verkuil90.21%23.51%
David Lechner70.16%11.75%
Ido Yariv50.11%11.75%
Hebbar Gururaja30.07%11.75%
Matt Porter30.07%11.75%
Chris Paulson-Ellis20.05%11.75%
Arnd Bergmann10.02%11.75%
Lucas De Marchi10.02%11.75%
Petr Kulhavy10.02%11.75%
Ivan Khoronzhuk10.02%11.75%
Total4377100.00%57100.00%
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