/* * Copyright (C) 2016 Freescale Semiconductor, Inc. * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../common/pfuze.h" #include #include #if defined(CONFIG_MXC_EPDC) #include #include #endif #include DECLARE_GLOBAL_DATA_PTR; #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) #define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \ PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) #define USDHC_PAD_CTRL_WP (PAD_CTL_PKE | PAD_CTL_PUE | \ PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_LOW | \ PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) #define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ PAD_CTL_ODE) #define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm) #define OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) #define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm) #define EPDC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) #ifdef CONFIG_SYS_I2C #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) /* I2C1 for PMIC and EPD */ struct i2c_pads_info i2c_pad_info1 = { .scl = { /* conflict with usb_otg2_pwr */ .i2c_mode = MX6_PAD_I2C1_SCL__I2C1_SCL | PC, .gpio_mode = MX6_PAD_I2C1_SCL__GPIO3_IO12 | PC, .gp = IMX_GPIO_NR(3, 12), }, .sda = { /* conflict with usb_otg2_oc */ .i2c_mode = MX6_PAD_I2C1_SDA__I2C1_SDA | PC, .gpio_mode = MX6_PAD_I2C1_SDA__GPIO3_IO13 | PC, .gp = IMX_GPIO_NR(3, 13), }, }; /* I2C2 for LCD and ADV */ struct i2c_pads_info i2c_pad_info2 = { .scl = { .i2c_mode = MX6_PAD_I2C2_SCL__I2C2_SCL | PC, .gpio_mode = MX6_PAD_I2C2_SCL__GPIO3_IO14 | PC, .gp = IMX_GPIO_NR(3, 14), }, .sda = { .i2c_mode = MX6_PAD_I2C2_SDA__I2C2_SDA | PC, .gpio_mode = MX6_PAD_I2C2_SDA__GPIO3_IO15 | PC, .gp = IMX_GPIO_NR(3, 15), }, }; #endif int dram_init(void) { gd->ram_size = PHYS_SDRAM_SIZE; return 0; } static iomux_v3_cfg_t const wdog_pads[] = { MX6_PAD_WDOG_B__WDOG1_B | MUX_PAD_CTRL(NO_PAD_CTRL), }; static iomux_v3_cfg_t const led_pads[] = { MX6_PAD_EPDC_VCOM1__GPIO2_IO04 | MUX_PAD_CTRL(UART_PAD_CTRL), }; static iomux_v3_cfg_t const uart1_pads[] = { MX6_PAD_UART1_TXD__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), MX6_PAD_UART1_RXD__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), }; /* 8bit SD1 */ static iomux_v3_cfg_t const usdhc1_pads[] = { MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD1_DATA0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD1_DATA1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD1_DATA2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD1_DATA3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD1_DATA4__SD1_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD1_DATA5__SD1_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD1_DATA6__SD1_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD1_DATA7__SD1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), /* CD */ MX6_PAD_KEY_ROW7__GPIO4_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL), /* WP */ MX6_PAD_GPIO4_IO22__SD1_WP | MUX_PAD_CTRL(NO_PAD_CTRL), }; /* EMMC */ static iomux_v3_cfg_t const usdhc2_pads[] = { MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DATA0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DATA1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DATA2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DATA3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DATA4__SD2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DATA5__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DATA6__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DATA7__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), /* DQS */ MX6_PAD_GPIO4_IO21__SD2_STROBE | MUX_PAD_CTRL(NO_PAD_CTRL), /* RST_B */ MX6_PAD_SD2_RESET__GPIO4_IO27 | MUX_PAD_CTRL(USDHC_PAD_CTRL | PAD_CTL_LVE), }; /* Wifi SD */ static iomux_v3_cfg_t const usdhc3_pads[] = { MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), /* CD */ MX6_PAD_REF_CLK_32K__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); imx_iomux_v3_setup_multiple_pads(led_pads, ARRAY_SIZE(led_pads)); } #ifdef CONFIG_FSL_ESDHC static struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = { {USDHC1_BASE_ADDR, 0, 8, 1}, {USDHC2_BASE_ADDR, 0, 8, 0, 1}, /* fixed 1.8v IO voltage for eMMC chip */ {USDHC3_BASE_ADDR, 0, 4}, }; #define USDHC1_CD_GPIO IMX_GPIO_NR(4, 7) #define USDHC2_PWR_GPIO IMX_GPIO_NR(4, 27) #define USDHC3_CD_GPIO IMX_GPIO_NR(3, 22) int board_mmc_get_env_dev(int devno) { return devno; } int mmc_map_to_kernel_blk(int devno) { return devno; } int board_mmc_getcd(struct mmc *mmc) { struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; int ret = 0; switch (cfg->esdhc_base) { case USDHC1_BASE_ADDR: ret = !gpio_get_value(USDHC1_CD_GPIO); break; case USDHC2_BASE_ADDR: ret = 1; break; case USDHC3_BASE_ADDR: ret = !gpio_get_value(USDHC3_CD_GPIO); break; } return ret; } int board_mmc_init(bd_t *bis) { int i; /* * According to the board_mmc_init() the following map is done: * (U-boot device node) (Physical Port) * mmc0 USDHC1 * mmc1 USDHC2 * mmc2 USDHC3 */ for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { switch (i) { case 0: imx_iomux_v3_setup_multiple_pads( usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); gpio_request(USDHC1_CD_GPIO, "usdhc1 cd"); gpio_direction_input(USDHC1_CD_GPIO); usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); break; case 1: imx_iomux_v3_setup_multiple_pads( usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); gpio_request(USDHC2_PWR_GPIO, "usdhc2 pwr"); gpio_direction_output(USDHC2_PWR_GPIO, 1); break; case 2: imx_iomux_v3_setup_multiple_pads( usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); gpio_request(USDHC3_CD_GPIO, "usdhc3 cd"); gpio_direction_input(USDHC3_CD_GPIO); usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); break; default: printf("Warning: you configured more USDHC controllers (%d) than supported by the board\n", i + 1); return 0; } if (fsl_esdhc_initialize(bis, &usdhc_cfg[i])) printf("Warning: failed to initialize mmc dev %d\n", i); } return 0; } #endif #ifdef CONFIG_POWER #define I2C_PMIC 0 static struct pmic *pfuze; int power_init_board(void) { int ret; u32 rev_id, value; ret = power_pfuze100_init(I2C_PMIC); if (ret) return ret; pfuze = pmic_get("PFUZE100"); if (!pfuze) return -ENODEV; ret = pmic_probe(pfuze); if (ret) return ret; ret = pfuze_mode_init(pfuze, APS_PFM); if (ret < 0) return ret; pmic_reg_read(pfuze, PFUZE100_DEVICEID, &value); pmic_reg_read(pfuze, PFUZE100_REVID, &rev_id); printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", value, rev_id); /* set SW1AB standby volatage 0.975V */ pmic_reg_read(pfuze, PFUZE100_SW1ABSTBY, &value); value &= ~0x3f; value |= PFUZE100_SW1ABC_SETP(9750); pmic_reg_write(pfuze, PFUZE100_SW1ABSTBY, value); /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ pmic_reg_read(pfuze, PFUZE100_SW1ABCONF, &value); value &= ~0xc0; value |= 0x40; pmic_reg_write(pfuze, PFUZE100_SW1ABCONF, value); /* set SW1C staby volatage 0.975V */ pmic_reg_read(pfuze, PFUZE100_SW1CSTBY, &value); value &= ~0x3f; value |= 0x1b; pmic_reg_write(pfuze, PFUZE100_SW1CSTBY, value); /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */ pmic_reg_read(pfuze, PFUZE100_SW1CCONF, &value); value &= ~0xc0; value |= 0x40; pmic_reg_write(pfuze, PFUZE100_SW1CCONF, value); return 0; } #elif defined(CONFIG_DM_PMIC_PFUZE100) int power_init_board(void) { struct udevice *dev; int ret; dev = pfuze_common_init(); if (!dev) return -ENODEV; ret = pfuze_mode_init(dev, APS_PFM); if (ret < 0) return ret; return 0; } #endif #ifdef CONFIG_MXC_SPI iomux_v3_cfg_t const ecspi1_pads[] = { MX6_PAD_ECSPI1_SCLK__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), MX6_PAD_ECSPI1_MOSI__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), MX6_PAD_ECSPI1_MISO__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), /* CS0 */ MX6_PAD_ECSPI1_SS0__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), }; void setup_spinor(void) { imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); gpio_request(IMX_GPIO_NR(4, 11), "escpi cs"); gpio_direction_output(IMX_GPIO_NR(4, 11), 0); } int board_spi_cs_gpio(unsigned bus, unsigned cs) { return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 11)) : -1; } #endif #ifdef CONFIG_VIDEO_MXS static iomux_v3_cfg_t const lcd_pads[] = { MX6_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA00__LCD_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA01__LCD_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA02__LCD_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA03__LCD_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA04__LCD_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA05__LCD_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA06__LCD_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA07__LCD_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA08__LCD_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA09__LCD_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX6_PAD_ECSPI1_SCLK__GPIO4_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_LCD_RESET__GPIO2_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), /* Use GPIO for Brightness adjustment, duty cycle = period */ MX6_PAD_PWM1__GPIO3_IO23 | MUX_PAD_CTRL(NO_PAD_CTRL), }; void do_enable_parallel_lcd(struct display_info_t const *dev) { int ret; ret = enable_lcdif_clock(dev->bus, 1); if (ret) { printf("Enable LCDIF clock failed, %d\n", ret); return; } imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); /* Reset the LCD */ gpio_request(IMX_GPIO_NR(2, 19), "lcd reset"); gpio_direction_output(IMX_GPIO_NR(2, 19) , 0); udelay(500); gpio_direction_output(IMX_GPIO_NR(2, 19) , 1); gpio_request(IMX_GPIO_NR(4, 8), "lcd pwr en"); gpio_direction_output(IMX_GPIO_NR(4, 8) , 1); /* Set Brightness to high */ gpio_request(IMX_GPIO_NR(3, 23), "backlight"); gpio_direction_output(IMX_GPIO_NR(3, 23) , 1); } struct display_info_t const displays[] = {{ .bus = MX6SLL_LCDIF_BASE_ADDR, .addr = 0, .pixfmt = 24, .detect = NULL, .enable = do_enable_parallel_lcd, .mode = { .name = "MCIMX28LCD", .xres = 800, .yres = 480, .pixclock = 29850, .left_margin = 89, .right_margin = 164, .upper_margin = 23, .lower_margin = 10, .hsync_len = 10, .vsync_len = 10, .sync = 0, .vmode = FB_VMODE_NONINTERLACED } } }; size_t display_count = ARRAY_SIZE(displays); #endif #ifdef CONFIG_MXC_EPDC static iomux_v3_cfg_t const epdc_enable_pads[] = { MX6_PAD_EPDC_DATA00__EPDC_DATA00 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA01__EPDC_DATA01 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA02__EPDC_DATA02 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA03__EPDC_DATA03 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA04__EPDC_DATA04 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA05__EPDC_DATA05 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA06__EPDC_DATA06 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA07__EPDC_DATA07 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA08__EPDC_DATA08 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA09__EPDC_DATA09 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA10__EPDC_DATA10 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA11__EPDC_DATA11 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA12__EPDC_DATA12 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA13__EPDC_DATA13 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA14__EPDC_DATA14 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_DATA15__EPDC_DATA15 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_SDCLK__EPDC_SDCLK_P | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_SDLE__EPDC_SDLE | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_SDOE__EPDC_SDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_SDSHR__EPDC_SDSHR | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_SDCE0__EPDC_SDCE0 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_GDCLK__EPDC_GDCLK | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_GDOE__EPDC_GDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_GDRL__EPDC_GDRL | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX6_PAD_EPDC_GDSP__EPDC_GDSP | MUX_PAD_CTRL(EPDC_PAD_CTRL), }; static iomux_v3_cfg_t const epdc_disable_pads[] = { MX6_PAD_EPDC_DATA01__GPIO1_IO08, MX6_PAD_EPDC_DATA02__GPIO1_IO09, MX6_PAD_EPDC_DATA03__GPIO1_IO10, MX6_PAD_EPDC_DATA04__GPIO1_IO11, MX6_PAD_EPDC_DATA05__GPIO1_IO12, MX6_PAD_EPDC_DATA06__GPIO1_IO13, MX6_PAD_EPDC_DATA07__GPIO1_IO14, MX6_PAD_EPDC_DATA08__GPIO1_IO15, MX6_PAD_EPDC_DATA09__GPIO1_IO16, MX6_PAD_EPDC_DATA10__GPIO1_IO17, MX6_PAD_EPDC_DATA11__GPIO1_IO18, MX6_PAD_EPDC_DATA12__GPIO1_IO19, MX6_PAD_EPDC_DATA13__GPIO1_IO20, MX6_PAD_EPDC_DATA14__GPIO1_IO21, MX6_PAD_EPDC_DATA15__GPIO1_IO22, MX6_PAD_EPDC_SDCLK__GPIO1_IO23, MX6_PAD_EPDC_SDLE__GPIO1_IO24, MX6_PAD_EPDC_SDOE__GPIO1_IO25, MX6_PAD_EPDC_SDSHR__GPIO1_IO26, MX6_PAD_EPDC_SDCE0__GPIO1_IO27, MX6_PAD_EPDC_GDCLK__GPIO1_IO31, MX6_PAD_EPDC_GDOE__GPIO2_IO00, MX6_PAD_EPDC_GDRL__GPIO2_IO01, MX6_PAD_EPDC_GDSP__GPIO2_IO02, }; vidinfo_t panel_info = { .vl_refresh = 85, .vl_col = 1024, .vl_row = 758, .vl_pixclock = 40000000, .vl_left_margin = 12, .vl_right_margin = 76, .vl_upper_margin = 4, .vl_lower_margin = 5, .vl_hsync = 12, .vl_vsync = 2, .vl_sync = 0, .vl_mode = 0, .vl_flag = 0, .vl_bpix = 3, .cmap = 0, }; struct epdc_timing_params panel_timings = { .vscan_holdoff = 4, .sdoed_width = 10, .sdoed_delay = 20, .sdoez_width = 10, .sdoez_delay = 20, .gdclk_hp_offs = 524, .gdsp_offs = 327, .gdoe_offs = 0, .gdclk_offs = 19, .num_ce = 1, }; static void setup_epdc_power(void) { /* Setup epdc voltage */ /* EPDC_PWRSTAT - GPIO2[13] for PWR_GOOD status */ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_STAT__GPIO2_IO13 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); gpio_request(IMX_GPIO_NR(2, 13), "EPDC_PWRSTAT"); gpio_direction_input(IMX_GPIO_NR(2, 13)); /* EPDC_VCOM0 - GPIO2[03] for VCOM control */ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_VCOM0__GPIO2_IO03 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* Set as output */ gpio_request(IMX_GPIO_NR(2, 3), "EPDC_VCOM0"); gpio_direction_output(IMX_GPIO_NR(2, 3), 1); /* EPDC_PWRWAKEUP - GPIO2[14] for EPD PMIC WAKEUP */ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_WAKE__GPIO2_IO14 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* Set as output */ gpio_request(IMX_GPIO_NR(2, 14), "EPDC_PWRWAKEUP"); gpio_direction_output(IMX_GPIO_NR(2, 14), 1); /* EPDC_PWRCTRL0 - GPIO2[07] for EPD PWR CTL0 */ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_CTRL0__GPIO2_IO07 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* Set as output */ gpio_request(IMX_GPIO_NR(2, 7), "EPDC_PWRCTRL0"); gpio_direction_output(IMX_GPIO_NR(2, 7), 1); } static void epdc_enable_pins(void) { /* epdc iomux settings */ imx_iomux_v3_setup_multiple_pads(epdc_enable_pads, ARRAY_SIZE(epdc_enable_pads)); } static void epdc_disable_pins(void) { /* Configure MUX settings for EPDC pins to GPIO and drive to 0 */ imx_iomux_v3_setup_multiple_pads(epdc_disable_pads, ARRAY_SIZE(epdc_disable_pads)); } static void setup_epdc(void) { /*** epdc Maxim PMIC settings ***/ /* EPDC_PWRSTAT - GPIO2[13] for PWR_GOOD status */ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_STAT__GPIO2_IO13 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* EPDC_VCOM0 - GPIO2[03] for VCOM control */ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_VCOM0__GPIO2_IO03 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* EPDC_PWRWAKEUP - GPIO2[14] for EPD PMIC WAKEUP */ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_WAKE__GPIO2_IO14 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* EPDC_PWRCTRL0 - GPIO2[07] for EPD PWR CTL0 */ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWR_CTRL0__GPIO2_IO07 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* Set pixel clock rates for EPDC in clock.c */ panel_info.epdc_data.wv_modes.mode_init = 0; panel_info.epdc_data.wv_modes.mode_du = 1; panel_info.epdc_data.wv_modes.mode_gc4 = 3; panel_info.epdc_data.wv_modes.mode_gc8 = 2; panel_info.epdc_data.wv_modes.mode_gc16 = 2; panel_info.epdc_data.wv_modes.mode_gc32 = 2; panel_info.epdc_data.epdc_timings = panel_timings; setup_epdc_power(); } void epdc_power_on(void) { unsigned int reg; struct gpio_regs *gpio_regs = (struct gpio_regs *)GPIO2_BASE_ADDR; /* Set EPD_PWR_CTL0 to high - enable EINK_VDD (3.15) */ gpio_set_value(IMX_GPIO_NR(2, 7), 1); udelay(1000); /* Enable epdc signal pin */ epdc_enable_pins(); /* Set PMIC Wakeup to high - enable Display power */ gpio_set_value(IMX_GPIO_NR(2, 14), 1); /* Wait for PWRGOOD == 1 */ while (1) { reg = readl(&gpio_regs->gpio_psr); if (!(reg & (1 << 13))) break; udelay(100); } /* Enable VCOM */ gpio_set_value(IMX_GPIO_NR(2, 3), 1); udelay(500); } void epdc_power_off(void) { /* Set PMIC Wakeup to low - disable Display power */ gpio_set_value(IMX_GPIO_NR(2, 14), 0); /* Disable VCOM */ gpio_set_value(IMX_GPIO_NR(2, 3), 0); epdc_disable_pins(); /* Set EPD_PWR_CTL0 to low - disable EINK_VDD (3.15) */ gpio_set_value(IMX_GPIO_NR(2, 7), 0); } #endif #ifdef CONFIG_USB_EHCI_MX6 #ifndef CONFIG_DM_USB #define USB_OTHERREGS_OFFSET 0x800 #define UCTRL_PWR_POL (1 << 9) iomux_v3_cfg_t const usb_otg1_pads[] = { MX6_PAD_KEY_COL4__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_KEY_ROW4__USB_OTG1_OC | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_EPDC_PWR_COM__USB_OTG1_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL), }; iomux_v3_cfg_t const usb_otg2_pads[] = { MX6_PAD_KEY_COL5__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_ECSPI2_SCLK__USB_OTG2_OC | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_EPDC_PWR_IRQ__USB_OTG2_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL), }; int board_usb_phy_mode(int port) { return usb_phy_mode(port); } int board_ehci_hcd_init(int port) { u32 *usbnc_usb_ctrl; if (port > 1) return -EINVAL; switch (port) { case 0: imx_iomux_v3_setup_multiple_pads(usb_otg1_pads, ARRAY_SIZE(usb_otg1_pads)); break; case 1: imx_iomux_v3_setup_multiple_pads(usb_otg2_pads, ARRAY_SIZE(usb_otg2_pads)); break; default: printf("MXC USB port %d not yet supported\n", port); return 1; } usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET + port * 4); /* Set Power polarity */ setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL); return 0; } #endif #endif int board_early_init_f(void) { setup_iomux_uart(); enable_uart_clk(true); return 0; } int board_init(void) { /* Address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; #ifdef CONFIG_SYS_I2C setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); #endif #ifdef CONFIG_MXC_SPI setup_spinor(); #endif #ifdef CONFIG_MXC_EPDC enable_epdc_clock(); setup_epdc(); #endif return 0; } int board_late_init(void) { #ifdef CONFIG_ENV_IS_IN_MMC board_late_mmc_env_init(); #endif imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); set_wdog_reset((struct wdog_regs *)WDOG1_BASE_ADDR); return 0; } u32 get_board_rev(void) { return get_cpu_rev(); } int checkboard(void) { #ifdef CONFIG_LPDDR2 puts("Board: MX6SLL LPDDR2 ARM2\n"); #else puts("Board: MX6SLL LPDDR3 ARM2\n"); #endif return 0; }