diff options
| -rw-r--r-- | board/gateworks/gw_ventana/gw_ventana.c | 133 | ||||
| -rw-r--r-- | include/configs/gw_ventana.h | 16 |
2 files changed, 149 insertions, 0 deletions
diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c index bce11b2..031367d 100644 --- a/board/gateworks/gw_ventana/gw_ventana.c +++ b/board/gateworks/gw_ventana/gw_ventana.c @@ -12,6 +12,7 @@ #include <asm/arch/imx-regs.h> #include <asm/arch/iomux.h> #include <asm/arch/mx6-pins.h> +#include <asm/arch/mxc_hdmi.h> #include <asm/arch/crm_regs.h> #include <asm/arch/sys_proto.h> #include <asm/gpio.h> @@ -19,6 +20,7 @@ #include <asm/imx-common/mxc_i2c.h> #include <asm/imx-common/boot_mode.h> #include <asm/imx-common/sata.h> +#include <asm/imx-common/video.h> #include <jffs2/load_kernel.h> #include <hwconfig.h> #include <i2c.h> @@ -369,6 +371,134 @@ int board_eth_init(bd_t *bis) return 0; } +#if defined(CONFIG_VIDEO_IPUV3) + +static void enable_hdmi(struct display_info_t const *dev) +{ + imx_enable_hdmi_phy(); +} + +static int detect_i2c(struct display_info_t const *dev) +{ + return i2c_set_bus_num(dev->bus) == 0 && + i2c_probe(dev->addr) == 0; +} + +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 */ + imx_iomux_v3_setup_pad(MX6_PAD_SD1_CMD__GPIO1_IO18 | + MUX_PAD_CTRL(NO_PAD_CTRL)); + gpio_direction_output(IMX_GPIO_NR(1, 18), 1); +} + +struct display_info_t const displays[] = {{ + /* HDMI Output */ + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB24, + .detect = detect_hdmi, + .enable = enable_hdmi, + .mode = { + .name = "HDMI", + .refresh = 60, + .xres = 1024, + .yres = 768, + .pixclock = 15385, + .left_margin = 220, + .right_margin = 40, + .upper_margin = 21, + .lower_margin = 7, + .hsync_len = 60, + .vsync_len = 10, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED +} }, { + /* Freescale MXC-LVDS1: HannStar HSD100PXN1-A00 w/ egalx_ts cont */ + .bus = 2, + .addr = 0x4, + .pixfmt = IPU_PIX_FMT_LVDS666, + .detect = detect_i2c, + .enable = enable_lvds, + .mode = { + .name = "Hannstar-XGA", + .refresh = 60, + .xres = 1024, + .yres = 768, + .pixclock = 15385, + .left_margin = 220, + .right_margin = 40, + .upper_margin = 21, + .lower_margin = 7, + .hsync_len = 60, + .vsync_len = 10, + .sync = FB_SYNC_EXT, + .vmode = FB_VMODE_NONINTERLACED +} } }; +size_t display_count = ARRAY_SIZE(displays); + +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]); + + /* Backlight CABEN on LVDS connector */ + imx_iomux_v3_setup_pad(MX6_PAD_SD2_CLK__GPIO1_IO10 | + MUX_PAD_CTRL(NO_PAD_CTRL)); + gpio_direction_output(IMX_GPIO_NR(1, 10), 0); +} +#endif /* CONFIG_VIDEO_IPUV3 */ + /* read ventana EEPROM, check for validity, and return baseboard type */ static int read_eeprom(void) @@ -944,6 +1074,9 @@ int board_early_init_f(void) setup_iomux_uart(); gpio_direction_output(GP_USB_OTG_PWR, 0); /* OTG power off */ +#if defined(CONFIG_VIDEO_IPUV3) + setup_display(); +#endif return 0; } diff --git a/include/configs/gw_ventana.h b/include/configs/gw_ventana.h index 335f2ff..cd55495 100644 --- a/include/configs/gw_ventana.h +++ b/include/configs/gw_ventana.h @@ -194,6 +194,22 @@ #define CONFIG_SYS_USB_EVENT_POLL_VIA_CONTROL_EP #define CONFIG_USB_HUB_MIN_POWER_ON_DELAY 1200 +/* Framebuffer and LCD */ +#define CONFIG_VIDEO +#define CONFIG_VIDEO_IPUV3 +#define CONFIG_CFB_CONSOLE +#define CONFIG_VGA_AS_SINGLE_DEVICE +#define CONFIG_SYS_CONSOLE_IS_IN_ENV +#define CONFIG_VIDEO_BMP_RLE8 +#define CONFIG_SPLASH_SCREEN +#define CONFIG_BMP_16BPP +#define CONFIG_VIDEO_LOGO +#define CONFIG_IPUV3_CLK 260000000 +#define CONFIG_CMD_HDMIDETECT +#define CONFIG_CONSOLE_MUX +#define CONFIG_IMX_HDMI +#define CONFIG_IMX_VIDEO_SKIP + /* serial console (ttymxc1,115200) */ #define CONFIG_CONS_INDEX 1 #define CONFIG_BAUDRATE 115200 |