/* * Copyright (C) 2015-2016 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 "../common/pfuze.h" #include #include #include #include #include #if defined(CONFIG_MXC_EPDC) #include #include #endif #include 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 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) #define BUTTON_PAD_CTRL (PAD_CTL_PUS_PU5KOHM | PAD_CTL_DSE_3P3V_98OHM) #define NAND_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS) #define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU5KOHM) #define EPDC_PAD_CTRL 0x0 #ifdef CONFIG_SYS_I2C_MXC #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) /* I2C1 for PMIC */ static 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 */ static 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(USDHC_PAD_CTRL), MX7D_PAD_SD1_RESET_B__GPIO5_IO2 | MUX_PAD_CTRL(USDHC_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(USDHC_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_reset, qn_enable, qn_enable }; static void iox74lv_init(void) { int i; for (i = 7; i >= 0; 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 = 7; i >= 0; 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; for (i = 7; i >= 0; 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 = 7; i >= 0; 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); }; #define BOARD_REV_B 0x200 #define BOARD_REV_A 0x100 static int mx7sabre_rev(void) { /* * Get Board ID information from OCOTP_GP1[15:8] * i.MX7D SDB RevA: 0x41 * i.MX7D SDB RevB: 0x42 */ struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; struct fuse_bank *bank = &ocotp->bank[14]; int reg = readl(&bank->fuse_regs[0]); int ret; if (reg != 0) { switch (reg >> 8 & 0x0F) { case 0x02: ret = BOARD_REV_B; break; case 0x01: default: ret = BOARD_REV_A; break; } } else { /* If the gp1 fuse is not burn, we have to use TO rev for the board rev */ if (is_soc_rev(CHIP_REV_1_0)) ret = BOARD_REV_A; else ret = BOARD_REV_B; } return ret; } u32 get_board_rev(void) { int rev = mx7sabre_rev(); return (get_cpu_rev() & ~(0xF << 8)) | rev; } #ifdef CONFIG_NAND_MXS static iomux_v3_cfg_t const gpmi_pads[] = { MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SD3_DATA1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SD3_DATA2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SD3_DATA3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SD3_DATA4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SD3_DATA5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SD3_DATA6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SD3_DATA7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SD3_CLK__NAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SD3_CMD__NAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SD3_STROBE__NAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SD3_RESET_B__NAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SAI1_MCLK__NAND_WP_B | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SAI1_RX_BCLK__NAND_CE3_B | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SAI1_RX_SYNC__NAND_CE2_B | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SAI1_RX_DATA__NAND_CE1_B | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SAI1_TX_BCLK__NAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SAI1_TX_SYNC__NAND_DQS | MUX_PAD_CTRL(NAND_PAD_CTRL), MX7D_PAD_SAI1_TX_DATA__NAND_READY_B | MUX_PAD_CTRL(NAND_PAD_READY0_CTRL), }; static void setup_gpmi_nand(void) { imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads)); /* NAND_USDHC_BUS_CLK is set in rom */ set_clk_nand(); } #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), }; void do_enable_parallel_lcd(struct display_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); } struct display_info_t const displays[] = {{ .bus = ELCDIF1_IPS_BASE_ADDR, .addr = 0, .pixfmt = 24, .detect = NULL, .enable = do_enable_parallel_lcd, .mode = { .name = "TFT43AB", .xres = 480, .yres = 272, .pixclock = 108695, .left_margin = 8, .right_margin = 4, .upper_margin = 2, .lower_margin = 4, .hsync_len = 41, .vsync_len = 10, .sync = 0, .vmode = FB_VMODE_NONINTERLACED } } }; size_t display_count = ARRAY_SIZE(displays); #endif static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); } #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 board_mmc_get_env_dev(int devno) { if (devno == 2) devno--; return devno; } int mmc_map_to_kernel_blk(int dev_no) { if (dev_no == 1) 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 -EINVAL; } ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); if (ret) return ret; } return 0; } #endif iomux_v3_cfg_t const fec2_en_pads[] = { MX7D_PAD_GPIO1_IO04__GPIO1_IO4 | MUX_PAD_CTRL(NO_PAD_CTRL), }; #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 iomux_v3_cfg_t const fec2_pads[] = { MX7D_PAD_EPDC_SDCE0__ENET2_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX7D_PAD_EPDC_SDCLK__ENET2_RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX7D_PAD_EPDC_SDLE__ENET2_RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX7D_PAD_EPDC_SDOE__ENET2_RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX7D_PAD_EPDC_SDSHR__ENET2_RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX7D_PAD_EPDC_SDCE1__ENET2_RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), MX7D_PAD_EPDC_GDRL__ENET2_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), MX7D_PAD_EPDC_SDCE2__ENET2_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX7D_PAD_EPDC_SDCE3__ENET2_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX7D_PAD_EPDC_GDCLK__ENET2_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX7D_PAD_EPDC_GDOE__ENET2_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX7D_PAD_EPDC_GDSP__ENET2_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) { if (0 == CONFIG_FEC_ENET_DEV) { imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads)); } else { if (mx7sabre_rev() == BOARD_REV_B) { /* On RevB, GPIO1_IO04 is used for ENET2 EN, * so set its output to low to enable ENET2 signals */ imx_iomux_v3_setup_multiple_pads(fec2_en_pads, ARRAY_SIZE(fec2_en_pads)); gpio_direction_output(IMX_GPIO_NR(1, 4), 0); } imx_iomux_v3_setup_multiple_pads(fec2_pads, ARRAY_SIZE(fec2_pads)); } } int board_eth_init(bd_t *bis) { int ret; setup_iomux_fec(); ret = fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV, CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE); if (ret) printf("FEC1 MXC: %s:failed\n", __func__); return ret; } static int setup_fec(int fec_id) { struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs = (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR; if (0 == fec_id) { /* 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); } else { /* Use 125M anatop REF_CLK2 for ENET2, clear gpr1[14], gpr1[18]*/ clrsetbits_le32(&iomuxc_gpr_regs->gpr[1], (IOMUXC_GPR_GPR1_GPR_ENET2_TX_CLK_SEL_MASK | IOMUXC_GPR_GPR1_GPR_ENET2_CLK_DIR_MASK), 0); } return set_clk_enet(ENET_125MHz); } 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 #ifdef CONFIG_FSL_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_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_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_SDCE0__EPDC_SDCE0 | MUX_PAD_CTRL(EPDC_PAD_CTRL), MX7D_PAD_EPDC_SDCE1__EPDC_SDCE1 | 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_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_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_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, }; 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) { /* IOMUX_GPR1: bit30: Disable On-chip RAM EPDC Function */ struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs = (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR; clrsetbits_le32(&iomuxc_gpr_regs->gpr[1], IOMUXC_GPR_GPR1_GPR_ENABLE_OCRAM_EPDC_MASK, 0); /* Setup epdc voltage */ /* EPDC_PWRSTAT - GPIO2[31] for PWR_GOOD status */ imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_PWR_STAT__GPIO2_IO31 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); gpio_direction_input(IMX_GPIO_NR(2, 31)); /* EPDC_VCOM0 - GPIO4[14] for VCOM control */ imx_iomux_v3_setup_pad(MX7D_PAD_I2C4_SCL__GPIO4_IO14 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* Set as output */ gpio_direction_output(IMX_GPIO_NR(4, 14), 1); /* EPDC_PWRWAKEUP - GPIO2[23] for EPD PMIC WAKEUP */ imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_SDCE3__GPIO2_IO23 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* Set as output */ gpio_direction_output(IMX_GPIO_NR(2, 23), 1); /* EPDC_PWRCTRL0 - GPIO2[30] for EPD PWR CTL0 */ imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_PWR_COM__GPIO2_IO30 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* Set as output */ gpio_direction_output(IMX_GPIO_NR(2, 30), 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[31] for PWR_GOOD status */ imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_PWR_STAT__GPIO2_IO31 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* EPDC_VCOM0 - GPIO4[14] for VCOM control */ imx_iomux_v3_setup_pad(MX7D_PAD_I2C4_SCL__GPIO4_IO14 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* EPDC_PWRWAKEUP - GPIO4[23] for EPD PMIC WAKEUP */ imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_SDCE3__GPIO2_IO23 | MUX_PAD_CTRL(EPDC_PAD_CTRL)); /* EPDC_PWRCTRL0 - GPIO4[20] for EPD PWR CTL0 */ imx_iomux_v3_setup_pad(MX7D_PAD_EPDC_PWR_COM__GPIO2_IO30 | 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, 30), 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, 23), 1); /* Wait for PWRGOOD == 1 */ while (1) { reg = readl(&gpio_regs->gpio_psr); if (!(reg & (1 << 31))) break; udelay(100); } /* Enable VCOM */ gpio_set_value(IMX_GPIO_NR(4, 14), 1); udelay(500); } void epdc_power_off(void) { /* Set PMIC Wakeup to low - disable Display power */ gpio_set_value(IMX_GPIO_NR(2, 23), 0); /* Disable VCOM */ gpio_set_value(IMX_GPIO_NR(4, 14), 0); epdc_disable_pins(); /* Set EPD_PWR_CTL0 to low - disable EINK_VDD (3.15) */ gpio_set_value(IMX_GPIO_NR(2, 30), 0); } #endif #ifdef CONFIG_USB_EHCI_MX7 static iomux_v3_cfg_t const usb_otg1_pads[] = { MX7D_PAD_GPIO1_IO05__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), }; static iomux_v3_cfg_t const usb_otg2_pads[] = { MX7D_PAD_UART3_CTS_B__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), }; /* On RevB board, the GPIO_IO07 is muxed for OTG2 PWR */ iomux_v3_cfg_t const usb_otg2_revB_pads[] = { MX7D_PAD_GPIO1_IO07__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), }; static void setup_usb(void) { imx_iomux_v3_setup_multiple_pads(usb_otg1_pads, ARRAY_SIZE(usb_otg1_pads)); if (mx7sabre_rev() == BOARD_REV_B) imx_iomux_v3_setup_multiple_pads(usb_otg2_revB_pads, ARRAY_SIZE(usb_otg2_revB_pads)); else imx_iomux_v3_setup_multiple_pads(usb_otg2_pads, ARRAY_SIZE(usb_otg2_pads)); } int board_usb_phy_mode(int port) { if (port == 0) return usb_phy_mode(port); else return USB_INIT_HOST; } #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(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3); #endif #ifdef CONFIG_USB_EHCI_MX7 setup_usb(); #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(CONFIG_FEC_ENET_DEV); #endif #ifdef CONFIG_NAND_MXS setup_gpmi_nand(); #endif #ifdef CONFIG_FSL_QSPI board_qspi_init(); #endif #ifdef CONFIG_MXC_EPDC if (mx7sabre_rev() == BOARD_REV_B) { /* On RevB, GPIO1_IO04 is used for ENET2 EN, * so set its output to high to isolate the ENET2 signals for EPDC */ imx_iomux_v3_setup_multiple_pads(fec2_en_pads, ARRAY_SIZE(fec2_en_pads)); gpio_direction_output(IMX_GPIO_NR(1, 4), 1); } else { qn_output[5] = qn_disable; iox74lv_set(5); } setup_epdc(); #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_POWER #define I2C_PMIC 0 int power_init_board(void) { struct pmic *p; int ret; unsigned int reg, rev_id; ret = power_pfuze3000_init(I2C_PMIC); if (ret) return ret; p = pmic_get("PFUZE3000"); ret = pmic_probe(p); if (ret) return ret; pmic_reg_read(p, PFUZE3000_DEVICEID, ®); pmic_reg_read(p, PFUZE3000_REVID, &rev_id); printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id); /* disable Low Power Mode during standby mode */ pmic_reg_read(p, PFUZE3000_LDOGCTL, ®); reg |= 0x1; pmic_reg_write(p, PFUZE3000_LDOGCTL, reg); /* SW1A/1B mode set to APS/APS */ reg = 0x8; pmic_reg_write(p, PFUZE3000_SW1AMODE, reg); pmic_reg_write(p, PFUZE3000_SW1BMODE, reg); /* SW1A/1B standby voltage set to 1.025V */ reg = 0xd; pmic_reg_write(p, PFUZE3000_SW1ASTBY, reg); pmic_reg_write(p, PFUZE3000_SW1BSTBY, reg); /* decrease SW1B normal voltage to 0.975V */ pmic_reg_read(p, PFUZE3000_SW1BVOLT, ®); reg &= ~0x1f; reg |= PFUZE3000_SW1AB_SETP(975); pmic_reg_write(p, PFUZE3000_SW1BVOLT, reg); return 0; } #endif int board_late_init(void) { struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR; #ifdef CONFIG_CMD_BMODE add_board_boot_modes(board_boot_modes); #endif #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(wdog); /* * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4), * since we use PMIC_PWRON to reset the board. */ clrsetbits_le16(&wdog->wcr, 0, 0x10); return 0; } int checkboard(void) { int rev = mx7sabre_rev(); char *revname; switch (rev) { case BOARD_REV_B: revname = "B"; break; case BOARD_REV_A: default: revname = "A"; break; } printf("Board: i.MX7D SABRESD Rev%s\n", revname); return 0; }