예제 #1
0
static int cm_fx6_setup_usb_host(void)
{
	int err;

	err = gpio_request(CM_FX6_USB_HUB_RST, "usb hub rst");
	if (err)
		return err;

	SETUP_IOMUX_PAD(PAD_GPIO_0__USB_H1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL));
	SETUP_IOMUX_PAD(PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL));

	return 0;
}
예제 #2
0
static int cm_fx6_init_usb_otg(void)
{
	int ret;
	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;

	ret = gpio_request(SB_FX6_USB_OTG_PWR, "usb-pwr");
	if (ret) {
		printf("USB OTG pwr gpio request failed: %d\n", ret);
		return ret;
	}

	SETUP_IOMUX_PAD(PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL));
	SETUP_IOMUX_PAD(PAD_ENET_RX_ER__USB_OTG_ID |
						MUX_PAD_CTRL(WEAK_PULLDOWN));
	clrbits_le32(&iomux->gpr[1], IOMUXC_GPR1_OTG_ID_MASK);
	/* disable ext. charger detect, or it'll affect signal quality at dp. */
	return gpio_direction_output(SB_FX6_USB_OTG_PWR, 0);
}
예제 #3
0
파일: gw_ventana.c 프로젝트: Noltari/u-boot
static void setup_display(void)
{
	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
	int reg;

	enable_ipu_clock();
	imx_setup_hdmi();
	/* Turn on LDB0,IPU,IPU DI0 clocks */
	reg = __raw_readl(&mxc_ccm->CCGR3);
	reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
	writel(reg, &mxc_ccm->CCGR3);

	/* set LDB0, LDB1 clk select to 011/011 */
	reg = readl(&mxc_ccm->cs2cdr);
	reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
		 |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
	reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
	      |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
	writel(reg, &mxc_ccm->cs2cdr);

	reg = readl(&mxc_ccm->cscmr2);
	reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
	writel(reg, &mxc_ccm->cscmr2);

	reg = readl(&mxc_ccm->chsccdr);
	reg |= (CHSCCDR_CLK_SEL_LDB_DI0
		<<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
	writel(reg, &mxc_ccm->chsccdr);

	reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
	     |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
	     |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
	     |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
	     |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
	     |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
	     |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
	     |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
	     |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
	writel(reg, &iomux->gpr[2]);

	reg = readl(&iomux->gpr[3]);
	reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK)
	    | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
	       <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
	writel(reg, &iomux->gpr[3]);

	/* LVDS Backlight GPIO on LVDS connector - output low */
	SETUP_IOMUX_PAD(PAD_SD2_CLK__GPIO1_IO10 | DIO_PAD_CFG);
	gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
}
예제 #4
0
파일: gw_ventana.c 프로젝트: Noltari/u-boot
static void enable_lvds(struct display_info_t const *dev)
{
	struct iomuxc *iomux = (struct iomuxc *)
				IOMUXC_BASE_ADDR;

	/* set CH0 data width to 24bit (IOMUXC_GPR2:5 0=18bit, 1=24bit) */
	u32 reg = readl(&iomux->gpr[2]);
	reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT;
	writel(reg, &iomux->gpr[2]);

	/* Enable Backlight */
	gpio_request(IMX_GPIO_NR(1, 10), "bklt_gpio");
	gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
	gpio_request(IMX_GPIO_NR(1, 18), "bklt_en");
	SETUP_IOMUX_PAD(PAD_SD1_CMD__GPIO1_IO18 | DIO_PAD_CFG);
	gpio_direction_output(IMX_GPIO_NR(1, 18), 1);
}
예제 #5
0
static void setup_display(void)
{
	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
	int reg;

	enable_ipu_clock();
	imx_setup_hdmi();

	reg = readl(&mxc_ccm->chsccdr);
	reg |= (CHSCCDR_CLK_SEL_LDB_DI0
		<< MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
	writel(reg, &mxc_ccm->chsccdr);

	/* Disable LCD backlight */
	SETUP_IOMUX_PAD(PAD_DI0_PIN4__GPIO4_IO20);
	gpio_direction_input(IMX_GPIO_NR(4, 20));
}
예제 #6
0
static int cm_fx6_usb_hub_reset(void)
{
	int err;

	err = gpio_request(CM_FX6_USB_HUB_RST, "usb hub rst");
	if (err) {
		printf("USB hub rst gpio request failed: %d\n", err);
		return -1;
	}

	SETUP_IOMUX_PAD(PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL));
	gpio_direction_output(CM_FX6_USB_HUB_RST, 0);
	udelay(10);
	gpio_direction_output(CM_FX6_USB_HUB_RST, 1);
	mdelay(1);

	return 0;
}
예제 #7
0
int board_ehci_hcd_init(int port)
{
	u32 *usbnc_usb_uh1_ctrl = (u32 *)(MX6_USBNC_BASEADDR + 4);

	switch (port) {
	case 0:
		return cm_fx6_init_usb_otg();
	case 1:
		SETUP_IOMUX_PAD(PAD_GPIO_0__USB_H1_PWR |
				MUX_PAD_CTRL(NO_PAD_CTRL));

		/* Set PWR polarity to match power switch's enable polarity */
		setbits_le32(usbnc_usb_uh1_ctrl, USBNC_USB_H1_PWR_POL);
		return cm_fx6_usb_hub_reset();
	default:
		break;
	}

	return 0;
}