/* * Copyright (C) 2015 Freescale Semiconductor, Inc. * * SPDX-License-Identifier: GPL-2.0+ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CONFIG_SYS_I2C_MXC #include #include #endif #if defined(CONFIG_MXC_EPDC) #include #include #endif #include #ifdef CONFIG_VIDEO_MXS #include #include #endif DECLARE_GLOBAL_DATA_PTR; #define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | \ PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS) #define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM) #define ENET_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM) #define ENET_PAD_CTRL_MII (PAD_CTL_DSE_3P3V_32OHM) #define ENET_RX_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM) #define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \ PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM) #define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \ PAD_CTL_DSE_3P3V_49OHM) #define EPDC_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_40ohm | \ PAD_CTL_DSE_3P3V_490HM) #define QSPI_PAD_CTRL \ (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM) #define SPI_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS) #ifdef CONFIG_SYS_I2C_MXC #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) /* I2C1 for PMIC */ struct i2c_pads_info i2c_pad_info1 = { .scl = { .i2c_mode = MX7D_PAD_I2C1_SCL__I2C1_SCL | PC, .gpio_mode = MX7D_PAD_I2C1_SCL__GPIO4_IO8 | PC, .gp = IMX_GPIO_NR(4, 8), }, .sda = { .i2c_mode = MX7D_PAD_I2C1_SDA__I2C1_SDA | PC, .gpio_mode = MX7D_PAD_I2C1_SDA__GPIO4_IO9 | PC, .gp = IMX_GPIO_NR(4, 9), }, }; /* I2C3 */ struct i2c_pads_info i2c_pad_info3 = { .scl = { .i2c_mode = MX7D_PAD_I2C3_SCL__I2C3_SCL | PC, .gpio_mode = MX7D_PAD_I2C3_SCL__GPIO4_IO12 | PC, .gp = IMX_GPIO_NR(4, 12), }, .sda = { .i2c_mode = MX7D_PAD_I2C3_SDA__I2C3_SDA | PC, .gpio_mode = MX7D_PAD_I2C3_SDA__GPIO4_IO13 | PC, .gp = IMX_GPIO_NR(4, 13), }, }; #endif int dram_init(void) { gd->ram_size = PHYS_SDRAM_SIZE; return 0; } static iomux_v3_cfg_t const wdog_pads[] = { MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL), }; static iomux_v3_cfg_t const uart1_pads[] = { MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), }; static iomux_v3_cfg_t const usdhc1_pads[] = { MX7D_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD1_DATA0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD1_DATA1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD1_DATA2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD1_DATA3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD1_CD_B__GPIO5_IO0 | MUX_PAD_CTRL(NO_PAD_CTRL), MX7D_PAD_SD1_RESET_B__GPIO5_IO2 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static iomux_v3_cfg_t const usdhc3_emmc_pads[] = { MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD3_STROBE__SD3_STROBE | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD3_RESET_B__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL), }; #define IOX_SDI IMX_GPIO_NR(1, 9) #define IOX_STCP IMX_GPIO_NR(1, 12) #define IOX_SHCP IMX_GPIO_NR(1, 13) static iomux_v3_cfg_t const iox_pads[] = { /* IOX_SDI */ MX7D_PAD_GPIO1_IO09__GPIO1_IO9 | MUX_PAD_CTRL(NO_PAD_CTRL), /* IOX_STCP */ MX7D_PAD_GPIO1_IO12__GPIO1_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), /* IOX_SHCP */ MX7D_PAD_GPIO1_IO13__GPIO1_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL), }; /* * PCIE_DIS_B --> Q0 * PCIE_RST_B --> Q1 * HDMI_RST_B --> Q2 * PERI_RST_B --> Q3 * SENSOR_RST_B --> Q4 * ENET_RST_B --> Q5 * PERI_3V3_EN --> Q6 * LCD_PWR_EN --> Q7 */ enum qn { PCIE_DIS_B, PCIE_RST_B, HDMI_RST_B, PERI_RST_B, SENSOR_RST_B, ENET_RST_B, PERI_3V3_EN, LCD_PWR_EN, }; enum qn_func { qn_reset, qn_enable, qn_disable, }; enum qn_level { qn_low = 0, qn_high = 1, }; static enum qn_level seq[3][2] = { {0, 1}, {1, 1}, {0, 0} }; static enum qn_func qn_output[8] = { qn_disable, qn_reset, qn_reset, qn_reset, qn_reset, qn_enable, qn_enable }; void iox74lv_init(void) { int i = 0; for (i = 0; i < 8; i++) { gpio_direction_output(IOX_SHCP, 0); gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]); udelay(500); gpio_direction_output(IOX_SHCP, 1); udelay(500); } gpio_direction_output(IOX_STCP, 0); udelay(500); /* * shift register will be output to pins */ gpio_direction_output(IOX_STCP, 1); for (i = 0; i < 8; i++) { gpio_direction_output(IOX_SHCP, 0); gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]); udelay(500); gpio_direction_output(IOX_SHCP, 1); udelay(500); } gpio_direction_output(IOX_STCP, 0); udelay(500); /* * shift register will be output to pins */ gpio_direction_output(IOX_STCP, 1); }; void iox74lv_set(int index) { int i = 0; for (i = 0; i < 8; i++) { gpio_direction_output(IOX_SHCP, 0); if (i == index) gpio_direction_output(IOX_SDI, seq[qn_output[i]][0]); else gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]); udelay(500); gpio_direction_output(IOX_SHCP, 1); udelay(500); } gpio_direction_output(IOX_STCP, 0); udelay(500); /* * shift register will be output to pins */ gpio_direction_output(IOX_STCP, 1); for (i = 0; i < 8; i++) { gpio_direction_output(IOX_SHCP, 0); gpio_direction_output(IOX_SDI, seq[qn_output[i]][1]); udelay(500); gpio_direction_output(IOX_SHCP, 1); udelay(500); } gpio_direction_output(IOX_STCP, 0); udelay(500); /* * shift register will be output to pins */ gpio_direction_output(IOX_STCP, 1); }; #ifdef CONFIG_SYS_USE_NAND static iomux_v3_cfg_t const gpmi_pads[] = { MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SD3_DATA1__NAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SD3_DATA2__NAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SD3_DATA3__NAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SD3_DATA4__NAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SD3_DATA5__NAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SD3_DATA6__NAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SD3_DATA7__NAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SD3_CLK__NAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SD3_CMD__NAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SD3_STROBE__NAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SD3_RESET_B__NAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SAI1_MCLK__NAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SAI1_RX_BCLK__NAND_CE3_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SAI1_RX_SYNC__NAND_CE2_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SAI1_RX_DATA__NAND_CE1_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SAI1_TX_BCLK__NAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX7D_PAD_SAI1_TX_SYNC__NAND_DQS | MUX_PAD_CTRL(GPMI_PAD_CTRL1), MX7D_PAD_SAI1_TX_DATA__NAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL0), }; static void setup_gpmi_nand(void) { u32 target; imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads)); /* * NAND_USDHC_BUS_CLK is set in rom */ set_clk_nand(); /* * APBH clock root is set in init_esdhc, USDHC3_CLK. * There is no clk gate for APBHDMA. * No touch here. */ } #endif #ifdef CONFIG_VIDEO_MXS static iomux_v3_cfg_t const lcd_pads[] = { MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA00__LCD_DATA0 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA01__LCD_DATA1 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA02__LCD_DATA2 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA03__LCD_DATA3 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA04__LCD_DATA4 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA05__LCD_DATA5 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA06__LCD_DATA6 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA07__LCD_DATA7 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA08__LCD_DATA8 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA09__LCD_DATA9 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL), MX7D_PAD_LCD_RESET__GPIO3_IO4 | MUX_PAD_CTRL(LCD_PAD_CTRL), }; static iomux_v3_cfg_t const pwm_pads[] = { /* Use GPIO for Brightness adjustment, duty cycle = period */ MX7D_PAD_GPIO1_IO01__GPIO1_IO1 | MUX_PAD_CTRL(NO_PAD_CTRL), }; struct lcd_panel_info_t { unsigned int lcdif_base_addr; int depth; void (*enable)(struct lcd_panel_info_t const *dev); struct fb_videomode mode; }; void do_enable_parallel_lcd(struct lcd_panel_info_t const *dev) { imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); imx_iomux_v3_setup_multiple_pads(pwm_pads, ARRAY_SIZE(pwm_pads)); /* Reset LCD */ gpio_direction_output(IMX_GPIO_NR(3, 4) , 0); udelay(500); gpio_direction_output(IMX_GPIO_NR(3, 4) , 1); /* Set Brightness to high */ gpio_direction_output(IMX_GPIO_NR(1, 1) , 1); } static struct lcd_panel_info_t const displays[] = {{ .lcdif_base_addr = ELCDIF1_IPS_BASE_ADDR, .depth = 24, .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 } } }; int board_video_skip(void) { int i; int ret; char const *panel = getenv("panel"); if (!panel) { panel = displays[0].mode.name; printf("No panel detected: default to %s\n", panel); i = 0; } else { for (i = 0; i < ARRAY_SIZE(displays); i++) { if (!strcmp(panel, displays[i].mode.name)) break; } } if (i < ARRAY_SIZE(displays)) { ret = mxs_lcd_panel_setup(displays[i].mode, displays[i].depth, displays[i].lcdif_base_addr); if (!ret) { if (displays[i].enable) displays[i].enable(displays+i); printf("Display: %s (%ux%u)\n", displays[i].mode.name, displays[i].mode.xres, displays[i].mode.yres); } else printf("LCD %s cannot be configured: %d\n", displays[i].mode.name, ret); } else { printf("unsupported panel %s\n", panel); return -EINVAL; } return 0; } #endif #ifdef CONFIG_MXC_EPDC static iomux_v3_cfg_t const epdc_enable_pads[] = { MX7D_PAD_EPDC_DATA00__EPDC_DATA0 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA01__EPDC_DATA1 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA02__EPDC_DATA2 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA03__EPDC_DATA3 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA04__EPDC_DATA4 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA05__EPDC_DATA5 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA06__EPDC_DATA6 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA07__EPDC_DATA7 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA08__EPDC_DATA8 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA09__EPDC_DATA9 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA10__EPDC_DATA10 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA11__EPDC_DATA11 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA12__EPDC_DATA12 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA13__EPDC_DATA13 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA14__EPDC_DATA14 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_DATA15__EPDC_DATA15 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_SDCE0__EPDC_SDCE0 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_SDCE1__EPDC_SDCE1 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_SDCE2__EPDC_SDCE2 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_SDCE3__EPDC_SDCE3 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_SDCLK__EPDC_SDCLK | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_SDLE__EPDC_SDLE | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_SDOE__EPDC_SDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_SDSHR__EPDC_SDSHR | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_GDCLK__EPDC_GDCLK | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_GDOE__EPDC_GDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_GDRL__EPDC_GDRL | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_GDSP__EPDC_GDSP | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_PWR_COM__EPDC_PWR_COM | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_PWR_STAT__EPDC_PWR_STAT | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_BDR0__EPDC_BDR0 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_BDR1__EPDC_BDR1 | MUX_PAD_CTRL(EPDC_PAD_CTRL), }; static iomux_v3_cfg_t const epdc_disable_pads[] = { MX7D_PAD_EPDC_DATA00__GPIO2_IO0, MX7D_PAD_EPDC_DATA01__GPIO2_IO1, MX7D_PAD_EPDC_DATA02__GPIO2_IO2, MX7D_PAD_EPDC_DATA03__GPIO2_IO3, MX7D_PAD_EPDC_DATA04__GPIO2_IO4, MX7D_PAD_EPDC_DATA05__GPIO2_IO5, MX7D_PAD_EPDC_DATA06__GPIO2_IO6, MX7D_PAD_EPDC_DATA07__GPIO2_IO7, MX7D_PAD_EPDC_DATA08__GPIO2_IO8, MX7D_PAD_EPDC_DATA09__GPIO2_IO9, MX7D_PAD_EPDC_DATA10__GPIO2_IO10, MX7D_PAD_EPDC_DATA11__GPIO2_IO11, MX7D_PAD_EPDC_DATA12__GPIO2_IO12, MX7D_PAD_EPDC_DATA13__GPIO2_IO13, MX7D_PAD_EPDC_DATA14__GPIO2_IO14, MX7D_PAD_EPDC_DATA15__GPIO2_IO15, MX7D_PAD_EPDC_SDCLK__GPIO2_IO16, MX7D_PAD_EPDC_SDLE__GPIO2_IO17, MX7D_PAD_EPDC_SDOE__GPIO2_IO18, MX7D_PAD_EPDC_SDSHR__GPIO2_IO19, MX7D_PAD_EPDC_SDCE0__GPIO2_IO20, MX7D_PAD_EPDC_SDCE1__GPIO2_IO21, MX7D_PAD_EPDC_SDCE2__GPIO2_IO22, MX7D_PAD_EPDC_SDCE3__GPIO2_IO23, MX7D_PAD_EPDC_GDCLK__GPIO2_IO24, MX7D_PAD_EPDC_GDOE__GPIO2_IO25, MX7D_PAD_EPDC_GDRL__GPIO2_IO26, MX7D_PAD_EPDC_GDSP__GPIO2_IO27, MX7D_PAD_EPDC_BDR0__GPIO2_IO28, MX7D_PAD_EPDC_BDR1__GPIO2_IO29, MX7D_PAD_EPDC_PWR_COM__GPIO2_IO30, MX7D_PAD_EPDC_PWR_STAT__GPIO2_IO31, }; #endif #ifdef CONFIG_FEC_MXC static iomux_v3_cfg_t const fec1_pads[] = { MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), MX7D_PAD_GPIO1_IO10__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII), MX7D_PAD_GPIO1_IO11__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII), }; static void setup_iomux_fec(void) { imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); } #endif static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); } #ifdef CONFIG_QSPI static iomux_v3_cfg_t const quadspi_pads[] = { MX7D_PAD_EPDC_DATA00__QSPI_A_DATA0 | MUX_PAD_CTRL(QSPI_PAD_CTRL), MX7D_PAD_EPDC_DATA01__QSPI_A_DATA1 | MUX_PAD_CTRL(QSPI_PAD_CTRL), MX7D_PAD_EPDC_DATA02__QSPI_A_DATA2 | MUX_PAD_CTRL(QSPI_PAD_CTRL), MX7D_PAD_EPDC_DATA03__QSPI_A_DATA3 | MUX_PAD_CTRL(QSPI_PAD_CTRL), MX7D_PAD_EPDC_DATA05__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL), MX7D_PAD_EPDC_DATA06__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL), }; int board_qspi_init(void) { /* Set the iomux */ imx_iomux_v3_setup_multiple_pads(quadspi_pads, ARRAY_SIZE(quadspi_pads)); /* Set the clock */ set_clk_qspi(); return 0; } #endif #ifdef CONFIG_FSL_ESDHC #define USDHC1_CD_GPIO IMX_GPIO_NR(5, 0) #define USDHC1_PWR_GPIO IMX_GPIO_NR(5, 2) #define USDHC3_PWR_GPIO IMX_GPIO_NR(6, 11) static struct fsl_esdhc_cfg usdhc_cfg[3] = { {USDHC1_BASE_ADDR, 0, 4}, {USDHC3_BASE_ADDR}, }; int mmc_get_env_devno(void) { u32 soc_sbmr = readl(SRC_BASE_ADDR + 0x58); u32 dev_no; u32 bootsel; bootsel = (soc_sbmr & 0x0000F000) >> 12; /* If not boot from sd/mmc, use default value */ if ((bootsel != BOOT_TYPE_SD) && (bootsel != BOOT_TYPE_MMC)) return CONFIG_SYS_MMC_ENV_DEV; /* BOOT_CFG2[2] and BOOT_CFG2[3] */ dev_no = (soc_sbmr & 0x00000C00) >> 10; if (2 == dev_no) dev_no--; return dev_no; } int mmc_map_to_kernel_blk(int dev_no) { if (1 == dev_no) dev_no++; return dev_no; } 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 USDHC3_BASE_ADDR: ret = 1; /* Assume uSDHC3 emmc is always present */ break; } return ret; } int board_mmc_init(bd_t *bis) { int i, ret; /* * According to the board_mmc_init() the following map is done: * (U-boot device node) (Physical Port) * mmc0 USDHC1 * mmc2 USDHC3 (eMMC) */ 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); gpio_request(USDHC1_PWR_GPIO, "usdhc1_pwr"); gpio_direction_output(USDHC1_PWR_GPIO, 0); udelay(500); gpio_direction_output(USDHC1_PWR_GPIO, 1); usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); break; case 1: imx_iomux_v3_setup_multiple_pads( usdhc3_emmc_pads, ARRAY_SIZE(usdhc3_emmc_pads)); gpio_request(USDHC3_PWR_GPIO, "usdhc3_pwr"); gpio_direction_output(USDHC3_PWR_GPIO, 0); udelay(500); gpio_direction_output(USDHC3_PWR_GPIO, 1); usdhc_cfg[1].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; } ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); if (ret) return ret; } return 0; } int check_mmc_autodetect(void) { char *autodetect_str = getenv("mmcautodetect"); if ((autodetect_str != NULL) && (strcmp(autodetect_str, "yes") == 0)) { return 1; } return 0; } void board_late_mmc_init(void) { char cmd[32]; char mmcblk[32]; u32 dev_no = mmc_get_env_devno(); if (!check_mmc_autodetect()) return; setenv_ulong("mmcdev", dev_no); /* Set mmcblk env */ sprintf(mmcblk, "/dev/mmcblk%dp2 rootwait rw", mmc_map_to_kernel_blk(dev_no)); setenv("mmcroot", mmcblk); sprintf(cmd, "mmc dev %d", dev_no); run_command(cmd, 0); } #endif #ifdef CONFIG_FEC_MXC int board_eth_init(bd_t *bis) { int ret; setup_iomux_fec(); ret = fecmxc_initialize_multi(bis, 0, CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); if (ret) printf("FEC1 MXC: %s:failed\n", __func__); return ret; } static int setup_fec(void) { struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs = (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR; int ret; /* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17]*/ clrsetbits_le32(&iomuxc_gpr_regs->gpr[1], (IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK | IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0); ret = set_clk_enet(ENET_125MHz); if (ret) return ret; return 0; } int board_phy_config(struct phy_device *phydev) { /* enable rgmii rxc skew and phy mode select to RGMII copper */ phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x21); phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x7ea8); phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x2f); phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x71b7); if (phydev->drv->config) phydev->drv->config(phydev); return 0; } #endif int board_early_init_f(void) { setup_iomux_uart(); #ifdef CONFIG_SYS_I2C_MXC setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3); #endif return 0; } int board_init(void) { /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; imx_iomux_v3_setup_multiple_pads(iox_pads, ARRAY_SIZE(iox_pads)); iox74lv_init(); #ifdef CONFIG_FEC_MXC setup_fec(); #endif #ifdef CONFIG_SYS_USE_NAND setup_gpmi_nand(); #endif #ifdef CONFIG_QSPI board_qspi_init(); #endif return 0; } #ifdef CONFIG_CMD_BMODE static const struct boot_mode board_boot_modes[] = { /* 4 bit bus width */ {"sd1", MAKE_CFGVAL(0x10, 0x10, 0x00, 0x00)}, {"emmc", MAKE_CFGVAL(0x10, 0x2a, 0x00, 0x00)}, /* TODO: Nand */ {"qspi", MAKE_CFGVAL(0x00, 0x40, 0x00, 0x00)}, {NULL, 0}, }; #endif #ifdef CONFIG_PFUZE3000_PMIC_I2C #define PFUZE_DEVICEID 0x0 #define PFUZE_REVID 0x3 #define PFUZE_FABID 0x4 #define PFUZE_LDOGCTL 0x69 static int setup_pmic_voltages(void) { unsigned char value, rev_id = 0; i2c_set_bus_num(CONFIG_PMIC_I2C_BUS); i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_PMIC_I2C_SLAVE); if (!i2c_probe(CONFIG_PMIC_I2C_SLAVE)) { if (i2c_read(CONFIG_PMIC_I2C_SLAVE, PFUZE_DEVICEID, 1, &value, 1)) { printf("Read device ID error!\n"); return -1; } if (i2c_read(CONFIG_PMIC_I2C_SLAVE, PFUZE_REVID, 1, &rev_id, 1)) { printf("Read Rev ID error!\n"); return -1; } printf("Found PFUZE300! deviceid 0x%x, revid 0x%x\n", value, rev_id); /* disable Low Power Mode during standby mode */ if (i2c_read(CONFIG_PMIC_I2C_SLAVE, PFUZE_LDOGCTL, 1, &value, 1)) { printf("Read LDOCTL error!\n"); return -1; } value |= 0x1; if (i2c_write(CONFIG_PMIC_I2C_SLAVE, PFUZE_LDOGCTL, 1, &value, 1)) { printf("Set LDOCTL error!\n"); return -1; } } return 0; } #endif int board_late_init(void) { #ifdef CONFIG_CMD_BMODE add_board_boot_modes(board_boot_modes); #endif #ifdef CONFIG_PFUZE3000_PMIC_I2C int ret = 0; ret = setup_pmic_voltages(); if (ret) return ret; #endif #ifdef CONFIG_ENV_IS_IN_MMC board_late_mmc_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) { puts("Board: i.MX7D SABRESD\n"); return 0; } #ifdef CONFIG_USB_EHCI_MX7 iomux_v3_cfg_t const usb_otg1_pads[] = { MX7D_PAD_GPIO1_IO05__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), }; iomux_v3_cfg_t const usb_otg2_pads[] = { MX7D_PAD_UART3_CTS_B__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), }; int board_ehci_hcd_init(int port) { 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; } return 0; } #endif