diff options
| -rw-r--r-- | board/freescale/mx6qarm2/mx6qarm2.c | 214 | ||||
| -rw-r--r-- | include/configs/mx6qarm2.h | 29 |
2 files changed, 242 insertions, 1 deletions
diff --git a/board/freescale/mx6qarm2/mx6qarm2.c b/board/freescale/mx6qarm2/mx6qarm2.c index 72f59ef..e08ef1e 100644 --- a/board/freescale/mx6qarm2/mx6qarm2.c +++ b/board/freescale/mx6qarm2/mx6qarm2.c @@ -11,12 +11,21 @@ #include <asm/arch/clock.h> #include <asm/errno.h> #include <asm/gpio.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/mxc_hdmi.h> +#include <asm/imx-common/video.h> +#include <asm/imx-common/mxc_i2c.h> #include <asm/imx-common/iomux-v3.h> #include <mmc.h> #include <fsl_esdhc.h> #include <miiphy.h> #include <netdev.h> #include <usb.h> +#include <i2c.h> + +#ifdef CONFIG_MAX7310_IOEXP +#include <gpio_exp.h> +#endif DECLARE_GLOBAL_DATA_PTR; @@ -35,6 +44,12 @@ DECLARE_GLOBAL_DATA_PTR; PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) +#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE | PAD_CTL_SRE_FAST) + +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) + int dram_init(void) { #if defined(CONFIG_MX6DL) && !defined(CONFIG_MX6DL_LPDDR2) && \ @@ -110,6 +125,192 @@ iomux_v3_cfg_t const enet_pads[] = { MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), }; +#ifdef CONFIG_SYS_I2C_MXC +static struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | PC, + .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | PC, + .gp = IMX_GPIO_NR(4, 12) + }, + .sda = { + .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC, + .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | PC, + .gp = IMX_GPIO_NR(4, 13) + } +}; + +static struct i2c_pads_info i2c_pad_info2 = { + .scl = { + .i2c_mode = MX6_PAD_GPIO_5__I2C3_SCL | PC, + .gpio_mode = MX6_PAD_GPIO_5__GPIO1_IO05 | PC, + .gp = IMX_GPIO_NR(1, 5) + }, + .sda = { + .i2c_mode = MX6_PAD_GPIO_16__I2C3_SDA | PC, + .gpio_mode = MX6_PAD_GPIO_16__GPIO7_IO11 | PC, + .gp = IMX_GPIO_NR(7, 11) + } +}; +#endif + +#ifdef CONFIG_MAX7310_IOEXP +#define BACKLIGHT_ON IOEXP_GPIO_NR(1, 0) +#define LVDS3V3_CTRL1 IOEXP_GPIO_NR(2, 1) + +int setup_max7310(void) +{ +#ifdef CONFIG_SYS_I2C_MXC + gpio_exp_setup_port(2, 2, 0x1F); + gpio_exp_setup_port(1, 2, 0x1B); + return 0; +#else + return -EPERM; +#endif +} +#endif + +#if defined(CONFIG_VIDEO_IPUV3) +static void disable_lvds(struct display_info_t const *dev) +{ + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + + int reg = readl(&iomux->gpr[2]); + + reg &= ~(IOMUXC_GPR2_LVDS_CH0_MODE_MASK | + IOMUXC_GPR2_LVDS_CH1_MODE_MASK); + + writel(reg, &iomux->gpr[2]); +} + +static void do_enable_hdmi(struct display_info_t const *dev) +{ + disable_lvds(dev); + imx_enable_hdmi_phy(); +} + +struct display_info_t const displays[] = {{ + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB666, + .detect = NULL, + .enable = NULL, + .mode = { + .name = "Hannstar-XGA", + .refresh = 60, + .xres = 768, + .yres = 576, + .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 +} }, { + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB24, + .detect = NULL, + .enable = do_enable_hdmi, + .mode = { + .name = "HDMI", + .refresh = 60, + .xres = 640, + .yres = 480, + .pixclock = 39721, + .left_margin = 48, + .right_margin = 16, + .upper_margin = 33, + .lower_margin = 10, + .hsync_len = 96, + .vsync_len = 2, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED +} } }; +size_t display_count = ARRAY_SIZE(displays); + +iomux_v3_cfg_t const backlight_pads[] = { + MX6_PAD_GPIO_9__GPIO1_IO09 | MUX_PAD_CTRL(ENET_PAD_CTRL), +}; + +static void setup_iomux_backlight(void) +{ + gpio_direction_output(IMX_GPIO_NR(1, 9), 1); + imx_iomux_v3_setup_multiple_pads(backlight_pads, + ARRAY_SIZE(backlight_pads)); +#ifdef CONFIG_MAX7310_IOEXP + gpio_exp_direction_output(BACKLIGHT_ON, 1); +#endif +} + +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; + +#ifdef CONFIG_MAX7310_IOEXP + gpio_exp_direction_output(LVDS3V3_CTRL1, 1); +#endif + setup_iomux_backlight(); + enable_ipu_clock(); + imx_setup_hdmi(); + + /* Turn on LDB_DI0 and LDB_DI1 clocks */ + reg = readl(&mxc_ccm->CCGR3); + reg |= MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK; + writel(reg, &mxc_ccm->CCGR3); + + /* Set LDB_DI0 and LDB_DI1 clk select to 3b'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 | MXC_CCM_CSCMR2_LDB_DI1_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); + reg |= (CHSCCDR_CLK_SEL_LDB_DI0 << + MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET); + writel(reg, &mxc_ccm->chsccdr); + + reg = IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW | + 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_CH0_MODE_ENABLED_DI0 | + IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED; + writel(reg, &iomux->gpr[2]); + + reg = readl(&iomux->gpr[3]); + reg &= ~(IOMUXC_GPR3_LVDS0_MUX_CTL_MASK | + IOMUXC_GPR3_HDMI_MUX_CTL_MASK); + reg |= (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 << + IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET) | + (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 << + IOMUXC_GPR3_HDMI_MUX_CTL_OFFSET); + writel(reg, &iomux->gpr[3]); +} +#endif /* CONFIG_VIDEO_IPUV3 */ + +/* + * Do not overwrite the console + * Use always serial for U-Boot console + */ +int overwrite_console(void) +{ + return 1; +} static void setup_iomux_uart(void) { @@ -335,6 +536,11 @@ int board_early_init_f(void) setup_iomux_uart(); setup_iomux_enet(); +#ifdef CONFIG_SYS_I2C_MXC + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); +#endif + return 0; } @@ -343,6 +549,14 @@ int board_init(void) /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; +#ifdef CONFIG_MAX7310_IOEXP + setup_max7310(); +#endif + +#ifdef CONFIG_VIDEO_IPUV3 + setup_display(); +#endif + #ifdef CONFIG_USB_EHCI_MX6 setup_usb(); #endif diff --git a/include/configs/mx6qarm2.h b/include/configs/mx6qarm2.h index 999f52f..e4b31a2 100644 --- a/include/configs/mx6qarm2.h +++ b/include/configs/mx6qarm2.h @@ -240,4 +240,31 @@ #define CONFIG_USB_MAX_CONTROLLER_COUNT 1 #endif -#endif /* __CONFIG_H */ +#ifdef CONFIG_MX6DQ_POP_LPDDR2 +/* I2C Configs */ +#define CONFIG_CMD_I2C +#define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_MXC +#define CONFIG_SYS_I2C_SPEED 100000 +/* MAX7310 configs */ +#define CONFIG_MAX7310_IOEXP +#define CONFIG_IOEXP_DEVICES_NUM 2 +#define CONFIG_IOEXP_DEV_PINS_NUM 8 + +#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_SYS_CONSOLE_OVERWRITE_ROUTINE +#define CONFIG_VIDEO_BMP_RLE8 +#define CONFIG_SPLASH_SCREEN +#define CONFIG_SPLASH_SCREEN_ALIGN +#define CONFIG_BMP_16BPP +#define CONFIG_VIDEO_LOGO +#define CONFIG_VIDEO_BMP_LOGO +#define CONFIG_IPUV3_CLK 198000000 +#define CONFIG_IMX_HDMI +#define CONFIG_IMX_VIDEO_SKIP + +#endif /* __CONFIG_H */ |