/* * (C) Copyright 2014 * Heiko Schocher, DENX Software Engineering, hs@denx.de. * * Based on: * Copyright (C) 2012 Freescale Semiconductor, Inc. * * Author: Fabio Estevam * * 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 DECLARE_GLOBAL_DATA_PTR; #define UART_PAD_CTRL (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_PUS_47K_UP | \ PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ PAD_CTL_SRE_FAST | PAD_CTL_HYS) #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) #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) #define DISP_PAD_CTRL (0x10) #define ECSPI4_CS1 IMX_GPIO_NR(5, 2) struct i2c_pads_info i2c_pad_info1 = { .scl = { .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | PC, .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | PC, .gp = IMX_GPIO_NR(5, 27) }, .sda = { .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | PC, .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | PC, .gp = IMX_GPIO_NR(5, 26) } }; struct i2c_pads_info i2c_pad_info2 = { .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) } }; struct i2c_pads_info i2c_pad_info3 = { .scl = { .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC, .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC, .gp = IMX_GPIO_NR(3, 17) }, .sda = { .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC, .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC, .gp = IMX_GPIO_NR(3, 18) } }; int dram_init(void) { gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); return 0; } iomux_v3_cfg_t const uart1_pads[] = { MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), }; iomux_v3_cfg_t const uart5_pads[] = { MX6_PAD_CSI0_DAT14__UART5_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), MX6_PAD_CSI0_DAT15__UART5_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), }; iomux_v3_cfg_t const gpio_pads[] = { /* LED enable */ MX6_PAD_SD4_DAT5__GPIO2_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL), /* spi flash WP protect */ MX6_PAD_SD4_DAT7__GPIO2_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), /* backlight enable */ MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* LED yellow */ MX6_PAD_GPIO_3__GPIO1_IO03 | MUX_PAD_CTRL(NO_PAD_CTRL), /* LED red */ MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), /* LED green */ MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL), /* LED blue */ MX6_PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL), /* i2c4 scl */ MX6_PAD_GPIO_7__GPIO1_IO07 | MUX_PAD_CTRL(NO_PAD_CTRL), /* i2c4 sda */ MX6_PAD_GPIO_8__GPIO1_IO08 | MUX_PAD_CTRL(NO_PAD_CTRL), /* spi CS 1 */ MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static iomux_v3_cfg_t const misc_pads[] = { MX6_PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL), /* OTG Power enable */ MX6_PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), }; iomux_v3_cfg_t const enet_pads[] = { MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(0x4001b0a8), MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_TXD0__ENET_TX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_TXD1__ENET_TX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_TX_EN__ENET_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_RX_ER__ENET_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_RXD0__ENET_RX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_RXD1__ENET_RX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_CRS_DV__ENET_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), }; static void setup_iomux_enet(void) { struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); /* set GPIO_16 as ENET_REF_CLK_OUT */ setbits_le32(&iomux->gpr[1], IOMUXC_GPR1_ENET_CLK_SEL_MASK); } 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_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), }; 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_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), }; iomux_v3_cfg_t const ecspi4_pads[] = { MX6_PAD_EIM_D21__ECSPI4_SCLK | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_EIM_D22__ECSPI4_MISO | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_EIM_D28__ECSPI4_MOSI | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_EIM_D20__GPIO3_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static iomux_v3_cfg_t const display_pads[] = { MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(DISP_PAD_CTRL), MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15, MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03, MX6_PAD_DI0_PIN4__GPIO4_IO20, MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00, MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01, MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02, MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03, MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04, MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05, MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06, MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07, MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08, MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09, MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10, MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11, MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12, MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13, MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14, MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15, MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16, MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17, MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18, MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19, MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20, MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21, MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22, MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23, }; static iomux_v3_cfg_t const backlight_pads[] = { MX6_PAD_GPIO_9__PWM1_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_SD4_DAT1__PWM3_OUT | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static void setup_spi(void) { int i; imx_iomux_v3_setup_multiple_pads(ecspi4_pads, ARRAY_SIZE(ecspi4_pads)); for (i = 0; i < 3; i++) enable_spi_clk(true, i); /* set cs1 to high */ gpio_direction_output(ECSPI4_CS1, 1); } static void setup_iomux_gpio(void) { imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads)); } static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads)); } #ifdef CONFIG_FSL_ESDHC struct fsl_esdhc_cfg usdhc_cfg[2] = { {USDHC1_BASE_ADDR}, {USDHC2_BASE_ADDR}, }; int board_mmc_getcd(struct mmc *mmc) { return 1; } int board_mmc_init(bd_t *bis) { usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); imx_iomux_v3_setup_multiple_pads(usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); return fsl_esdhc_initialize(bis, &usdhc_cfg[0]) | fsl_esdhc_initialize(bis, &usdhc_cfg[1]); } #endif /* * Do not overwrite the console * Use always serial for U-Boot console */ int overwrite_console(void) { return 1; } int board_eth_init(bd_t *bis) { struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; int ret; setup_iomux_enet(); /* clear gpr1[14], gpr1[18:17] to select anatop clock */ clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC_MASK, 0); ret = enable_fec_anatop_clock(ENET_50MHz); if (ret) return ret; return cpu_eth_init(bis); } #if defined(CONFIG_VIDEO_IPUV3) static void enable_lvds(struct display_info_t const *dev) { imx_iomux_v3_setup_multiple_pads( display_pads, ARRAY_SIZE(display_pads)); imx_iomux_v3_setup_multiple_pads( backlight_pads, ARRAY_SIZE(backlight_pads)); /* enable backlight PWM 3 */ if (pwm_init(2, 0, 0)) goto error; /* duty cycle 200ns, period: 3000ns */ if (pwm_config(2, 200, 3000)) goto error; if (pwm_enable(2)) goto error; return; error: puts("error init pwm for backlight\n"); return; } struct display_info_t const displays[] = { { .bus = -1, .addr = 0, .pixfmt = IPU_PIX_FMT_RGB24, .detect = NULL, .enable = enable_lvds, .mode = { .name = "lb07wv8", .refresh = 60, .xres = 800, .yres = 480, .pixclock = 33246, .left_margin = 88, .right_margin = 88, .upper_margin = 10, .lower_margin = 10, .hsync_len = 25, .vsync_len = 1, .sync = 0, .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; int reg; enable_ipu_clock(); reg = readl(&mxc_ccm->cs2cdr); /* select pll 5 clock */ reg &= MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK; reg &= MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK; writel(reg, &mxc_ccm->cs2cdr); imx_iomux_v3_setup_multiple_pads(backlight_pads, ARRAY_SIZE(backlight_pads)); } /* no console on this board */ int board_cfb_skip(void) { return 1; } #endif int board_early_init_f(void) { setup_iomux_uart(); setup_iomux_gpio(); #if defined(CONFIG_VIDEO_IPUV3) setup_display(); #endif return 0; } iomux_v3_cfg_t nfc_pads[] = { MX6_PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_CS1__NAND_CE1_B | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_CS2__NAND_CE2_B | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_CS3__NAND_CE3_B | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_SD4_DAT0__NAND_DQS | MUX_PAD_CTRL(NO_PAD_CTRL), }; static void setup_gpmi_nand(void) { struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; /* config gpmi nand iomux */ imx_iomux_v3_setup_multiple_pads(nfc_pads, ARRAY_SIZE(nfc_pads)); /* config gpmi and bch clock to 100 MHz */ clrsetbits_le32(&mxc_ccm->cs2cdr, MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK | MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK | MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK, MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) | MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) | MXC_CCM_CS2CDR_ENFC_CLK_SEL(3)); /* enable gpmi and bch clock gating */ setbits_le32(&mxc_ccm->CCGR4, MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK | MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK | MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK | MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK | MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET); /* enable apbh clock gating */ setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); } int board_init(void) { struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; setup_spi(); setup_i2c(0, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, &i2c_pad_info1); setup_i2c(1, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, &i2c_pad_info2); setup_i2c(2, CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, &i2c_pad_info3); /* i2c4 not used, set it to gpio input */ gpio_request(IMX_GPIO_NR(1, 7), "i2c4_scl"); gpio_direction_input(IMX_GPIO_NR(1, 7)); gpio_request(IMX_GPIO_NR(1, 8), "i2c4_sda"); gpio_direction_input(IMX_GPIO_NR(1, 8)); /* SPI NOR Flash read only */ gpio_request(CONFIG_GPIO_ENABLE_SPI_FLASH, "ena_spi_nor"); gpio_direction_output(CONFIG_GPIO_ENABLE_SPI_FLASH, 0); gpio_free(CONFIG_GPIO_ENABLE_SPI_FLASH); /* enable LED */ gpio_request(IMX_GPIO_NR(2, 13), "LED ena"); gpio_direction_output(IMX_GPIO_NR(2, 13), 0); gpio_request(IMX_GPIO_NR(1, 3), "LED yellow"); gpio_direction_output(IMX_GPIO_NR(1, 3), 1); gpio_request(IMX_GPIO_NR(1, 4), "LED red"); gpio_direction_output(IMX_GPIO_NR(1, 4), 1); gpio_request(IMX_GPIO_NR(1, 5), "LED green"); gpio_direction_output(IMX_GPIO_NR(1, 5), 1); gpio_request(IMX_GPIO_NR(1, 6), "LED blue"); gpio_direction_output(IMX_GPIO_NR(1, 6), 1); setup_gpmi_nand(); /* GPIO_1 for USB_OTG_ID */ setbits_le32(&iomux->gpr[1], IOMUXC_GPR1_USB_OTG_ID_SEL_MASK); imx_iomux_v3_setup_multiple_pads(misc_pads, ARRAY_SIZE(misc_pads)); return 0; } int checkboard(void) { puts("Board: aristaitenos\n"); return 0; } #ifdef CONFIG_USB_EHCI_MX6 int board_ehci_hcd_init(int port) { int ret; ret = gpio_request(ARISTAINETOS_USB_H1_PWR, "usb-h1-pwr"); if (!ret) gpio_direction_output(ARISTAINETOS_USB_H1_PWR, 1); ret = gpio_request(ARISTAINETOS_USB_OTG_PWR, "usb-OTG-pwr"); if (!ret) gpio_direction_output(ARISTAINETOS_USB_OTG_PWR, 1); return 0; } int board_ehci_power(int port, int on) { if (port) gpio_set_value(ARISTAINETOS_USB_OTG_PWR, on); else gpio_set_value(ARISTAINETOS_USB_H1_PWR, on); return 0; } #endif