/* * Copyright (C) 2012-2016 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 #include #include #include #include "../common/pfuze.h" #ifdef CONFIG_CMD_SATA #include #endif 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) /*Need more drive strength for SD1 slot on base board*/ #define USDHC1_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \ PAD_CTL_DSE_40ohm | 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 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 GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP) #define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \ PAD_CTL_SRE_FAST) #define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1) #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) #define SPI_PAD_CTRL (PAD_CTL_HYS | \ PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) #define WEIM_NOR_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) #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 I2C_PMIC 1 int dram_init(void) { gd->ram_size = imx_ddr_size(); return 0; } static iomux_v3_cfg_t const uart4_pads[] = { MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), }; static iomux_v3_cfg_t const enet_pads[] = { MX6_PAD_KEY_COL1__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_KEY_COL2__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), }; #ifdef CONFIG_SYS_I2C /* I2C2 PMIC, iPod, Tuner, Codec, Touch, HDMI EDID, MIPI CSI2 card */ static struct i2c_pads_info i2c_pad_info1 = { .scl = { .i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC, .gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC, .gp = IMX_GPIO_NR(2, 30) }, .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) } }; #endif #ifndef CONFIG_SYS_FLASH_CFI /* * I2C3 MLB, Port Expanders (A, B, C), Video ADC, Light Sensor, * Compass Sensor, Accelerometer, Res Touch */ static struct i2c_pads_info i2c_pad_info2 = { .scl = { .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | PC, .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | PC, .gp = IMX_GPIO_NR(1, 3) }, .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) } }; #endif static iomux_v3_cfg_t const i2c3_pads[] = { MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static iomux_v3_cfg_t const port_exp[] = { MX6_PAD_SD2_DAT0__GPIO1_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), }; #ifdef CONFIG_PCA953X /*Define for building port exp gpio, pin starts from 0*/ #define PORTEXP_IO_NR(chip, pin) \ ((chip << 5) + pin) /*Get the chip addr from a ioexp gpio*/ #define PORTEXP_IO_TO_CHIP(gpio_nr) \ (gpio_nr >> 5) /*Get the pin number from a ioexp gpio*/ #define PORTEXP_IO_TO_PIN(gpio_nr) \ (gpio_nr & 0x1f) static int port_exp_direction_output(unsigned gpio, int value) { int ret; i2c_set_bus_num(2); ret = i2c_probe(PORTEXP_IO_TO_CHIP(gpio)); if (ret) return ret; ret = pca953x_set_dir(PORTEXP_IO_TO_CHIP(gpio), (1 << PORTEXP_IO_TO_PIN(gpio)), (PCA953X_DIR_OUT << PORTEXP_IO_TO_PIN(gpio))); if (ret) return ret; ret = pca953x_set_val(PORTEXP_IO_TO_CHIP(gpio), (1 << PORTEXP_IO_TO_PIN(gpio)), (value << PORTEXP_IO_TO_PIN(gpio))); if (ret) return ret; return 0; } #endif #ifdef CONFIG_MTD_NOR_FLASH static iomux_v3_cfg_t const eimnor_pads[] = { MX6_PAD_EIM_D16__EIM_DATA16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D17__EIM_DATA17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D18__EIM_DATA18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D19__EIM_DATA19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D20__EIM_DATA20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D21__EIM_DATA21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D22__EIM_DATA22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D23__EIM_DATA23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D24__EIM_DATA24 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D25__EIM_DATA25 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D26__EIM_DATA26 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D27__EIM_DATA27 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D28__EIM_DATA28 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D29__EIM_DATA29 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D30__EIM_DATA30 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_D31__EIM_DATA31 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA0__EIM_AD00 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA1__EIM_AD01 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA2__EIM_AD02 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA3__EIM_AD03 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA4__EIM_AD04 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA5__EIM_AD05 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA6__EIM_AD06 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA7__EIM_AD07 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA8__EIM_AD08 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA9__EIM_AD09 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA10__EIM_AD10 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA11__EIM_AD11 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL) , MX6_PAD_EIM_DA12__EIM_AD12 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA13__EIM_AD13 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA14__EIM_AD14 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_DA15__EIM_AD15 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_A16__EIM_ADDR16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_A17__EIM_ADDR17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_A18__EIM_ADDR18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_A19__EIM_ADDR19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_A20__EIM_ADDR20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_A21__EIM_ADDR21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_A22__EIM_ADDR22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_A23__EIM_ADDR23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL), MX6_PAD_EIM_OE__EIM_OE_B | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_EIM_RW__EIM_RW | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_EIM_CS0__EIM_CS0_B | MUX_PAD_CTRL(NO_PAD_CTRL), }; static void eimnor_cs_setup(void) { struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR; writel(0x00020181, &weim_regs->cs0gcr1); writel(0x00000001, &weim_regs->cs0gcr2); writel(0x0a020000, &weim_regs->cs0rcr1); writel(0x0000c000, &weim_regs->cs0rcr2); writel(0x0804a240, &weim_regs->cs0wcr1); writel(0x00000120, &weim_regs->wcr); set_chipselect_size(CS0_128); } static void eim_clk_setup(void) { struct mxc_ccm_reg *imx_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; int cscmr1, ccgr6; /* Turn off EIM clock */ ccgr6 = readl(&imx_ccm->CCGR6); ccgr6 &= ~(0x3 << 10); writel(ccgr6, &imx_ccm->CCGR6); /* * Configure clk_eim_slow_sel = 00 --> derive clock from AXI clk root * and aclk_eim_slow_podf = 01 --> divide by 2 * so that we can have EIM at the maximum clock of 132MHz */ cscmr1 = readl(&imx_ccm->cscmr1); cscmr1 &= ~(MXC_CCM_CSCMR1_ACLK_EMI_SLOW_MASK | MXC_CCM_CSCMR1_ACLK_EMI_SLOW_PODF_MASK); cscmr1 |= (1 << MXC_CCM_CSCMR1_ACLK_EMI_SLOW_PODF_OFFSET); writel(cscmr1, &imx_ccm->cscmr1); /* Turn on EIM clock */ ccgr6 |= (0x3 << 10); writel(ccgr6, &imx_ccm->CCGR6); } static void setup_iomux_eimnor(void) { imx_iomux_v3_setup_multiple_pads(eimnor_pads, ARRAY_SIZE(eimnor_pads)); gpio_direction_output(IMX_GPIO_NR(5, 4), 0); eimnor_cs_setup(); } #endif static void setup_iomux_enet(void) { imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); } static iomux_v3_cfg_t const usdhc1_pads[] = { /*To avoid pin conflict with NAND, set usdhc1 to 4 pins*/ MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC1_PAD_CTRL), MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC1_PAD_CTRL), MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC1_PAD_CTRL), MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC1_PAD_CTRL), MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC1_PAD_CTRL), MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC1_PAD_CTRL), /*CD pin*/ MX6_PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NO_PAD_CTRL), }; 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_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_GPIO_18__SD3_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads)); } #ifdef CONFIG_FSL_ESDHC #define USDHC1_CD_GPIO IMX_GPIO_NR(1, 1) #define USDHC3_CD_GPIO IMX_GPIO_NR(6, 15) static struct fsl_esdhc_cfg usdhc_cfg[2] = { {USDHC1_BASE_ADDR, 0, 4}, {USDHC3_BASE_ADDR}, }; int board_mmc_get_env_dev(int devno) { /* * need ubstract 1 to map to the mmc3 device id * see the comments in board_mmc_init function */ if (devno == 2) devno--; return devno; } int mmc_map_to_kernel_blk(int devno) { if (devno == 1) devno = 2; 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: gpio_direction_input(USDHC1_CD_GPIO); ret = !gpio_get_value(USDHC1_CD_GPIO); break; case USDHC3_BASE_ADDR: gpio_direction_input(USDHC3_CD_GPIO); 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 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( usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); gpio_request(USDHC3_CD_GPIO, "usdhc3 cd"); gpio_direction_input(USDHC3_CD_GPIO); 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; } if (fsl_esdhc_initialize(bis, &usdhc_cfg[i])) printf("Warning: failed to initialize mmc dev %d\n", i); } return 0; } #endif #ifdef CONFIG_NAND_MXS static iomux_v3_cfg_t gpmi_pads[] = { MX6_PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL0), MX6_PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), MX6_PAD_SD4_DAT0__NAND_DQS | MUX_PAD_CTRL(GPMI_PAD_CTRL1), }; 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(gpmi_pads, ARRAY_SIZE(gpmi_pads)); setup_gpmi_io_clk((MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) | MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) | MXC_CCM_CS2CDR_ENFC_CLK_SEL(3))); /* enable apbh clock gating */ setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); } #endif int mx6_rgmii_rework(struct phy_device *phydev) { unsigned short val; /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); val &= 0xffe3; val |= 0x18; phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); /* introduce tx clock delay */ phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); val |= 0x0100; phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); return 0; } int board_phy_config(struct phy_device *phydev) { mx6_rgmii_rework(phydev); if (phydev->drv->config) phydev->drv->config(phydev); return 0; } static void setup_fec(void) { int ret; if (is_mx6dqp()) { /* * select ENET MAC0 TX clock from PLL */ imx_iomux_set_gpr_register(5, 9, 1, 1); } else { imx_iomux_set_gpr_register(1, 21, 1, 1); } ret = enable_fec_anatop_clock(0, ENET_125MHZ); if (ret) printf("Error fec anatop clock settings!\n"); } int board_eth_init(bd_t *bis) { setup_iomux_enet(); return cpu_eth_init(bis); } #define BOARD_REV_B 0x200 #define BOARD_REV_A 0x100 static int mx6sabre_rev(void) { /* * Get Board ID information from OCOTP_GP1[15:8] * i.MX6Q ARD RevA: 0x01 * i.MX6Q ARD RevB: 0x02 */ struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; struct fuse_bank *bank = &ocotp->bank[4]; struct fuse_bank4_regs *fuse = (struct fuse_bank4_regs *)bank->fuse_regs; int reg = readl(&fuse->gp1); int ret; switch (reg >> 8 & 0x0F) { case 0x02: ret = BOARD_REV_B; break; case 0x01: default: ret = BOARD_REV_A; break; } return ret; } u32 get_board_rev(void) { int rev = mx6sabre_rev(); return (get_cpu_rev() & ~(0xF << 8)) | rev; } #if defined(CONFIG_VIDEO_IPUV3) static void disable_lvds(struct display_info_t const *dev) { struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; clrbits_le32(&iomux->gpr[2], IOMUXC_GPR2_LVDS_CH0_MODE_MASK | IOMUXC_GPR2_LVDS_CH1_MODE_MASK); } 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 = 1024, .yres = 768, .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_SD4_DAT1__GPIO2_IO09 | MUX_PAD_CTRL(ENET_PAD_CTRL), }; static void setup_iomux_backlight(void) { gpio_request(IMX_GPIO_NR(2, 9), "backlight"); gpio_direction_output(IMX_GPIO_NR(2, 9), 1); imx_iomux_v3_setup_multiple_pads(backlight_pads, ARRAY_SIZE(backlight_pads)); } 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; 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; } #ifdef CONFIG_MXC_SPI iomux_v3_cfg_t const ecspi1_pads[] = { MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), /* Steer logic */ MX6_PAD_EIM_A24__GPIO5_IO04 | 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(3, 19), "escpi cs"); gpio_direction_output(IMX_GPIO_NR(5, 4), 0); gpio_direction_output(IMX_GPIO_NR(3, 19), 0); } int board_spi_cs_gpio(unsigned bus, unsigned cs) { return (bus == 0 && cs == 1) ? (IMX_GPIO_NR(3, 19)) : -1; } #endif #ifdef CONFIG_USB_EHCI_MX6 iomux_v3_cfg_t const usb_otg_pads[] = { MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL), }; static void setup_usb(void) { imx_iomux_v3_setup_multiple_pads(usb_otg_pads, ARRAY_SIZE(usb_otg_pads)); /* * Set daisy chain for otg_pin_id on 6q. * For 6dl, this bit is reserved. */ imx_iomux_set_gpr_register(1, 13, 1, 0); #ifdef CONFIG_DM_PCA953X struct gpio_desc desc; int ret; ret = dm_gpio_lookup_name("gpio@32_7", &desc); if (ret) return; ret = dm_gpio_request(&desc, "usb_host1_pwr"); if (ret) return; dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT); ret = dm_gpio_lookup_name("gpio@34_1", &desc); if (ret) return; ret = dm_gpio_request(&desc, "usb_otg_pwr"); if (ret) return; dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT); #endif } int board_ehci_power(int port, int on) { #ifdef CONFIG_PCA953X #define USB_HOST1_PWR PORTEXP_IO_NR(0x32, 7) #define USB_OTG_PWR PORTEXP_IO_NR(0x34, 1) switch (port) { case 0: if (on) port_exp_direction_output(USB_OTG_PWR, 1); else port_exp_direction_output(USB_OTG_PWR, 0); break; case 1: if (on) port_exp_direction_output(USB_HOST1_PWR, 1); else port_exp_direction_output(USB_HOST1_PWR, 0); break; default: printf("MXC USB port %d not yet supported\n", port); return -EINVAL; } #elif defined(CONFIG_DM_PCA953X) struct gpio_desc desc; int ret; switch (port) { case 0: ret = dm_gpio_lookup_name("gpio@34_1", &desc); if (ret) return ret; if (on) dm_gpio_set_value(&desc, 1); else dm_gpio_set_value(&desc, 0); break; case 1: ret = dm_gpio_lookup_name("gpio@32_7", &desc); if (ret) return ret; if (on) dm_gpio_set_value(&desc, 1); else dm_gpio_set_value(&desc, 0); break; default: printf("MXC USB port %d not yet supported\n", port); return -EINVAL; } #endif return 0; } #endif int board_early_init_f(void) { setup_iomux_uart(); #ifdef CONFIG_MTD_NOR_FLASH eim_clk_setup(); #endif return 0; } int board_init(void) { /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; #ifdef CONFIG_SYS_I2C /* I2C 2 and 3 setup - I2C 3 hw mux with EIM */ setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); #endif /* I2C 3 Steer */ gpio_request(IMX_GPIO_NR(5, 4), "steer logic"); gpio_direction_output(IMX_GPIO_NR(5, 4), 1); imx_iomux_v3_setup_multiple_pads(i2c3_pads, ARRAY_SIZE(i2c3_pads)); #ifndef CONFIG_SYS_FLASH_CFI setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); #endif gpio_request(IMX_GPIO_NR(1, 15), "expander en"); gpio_direction_output(IMX_GPIO_NR(1, 15), 1); imx_iomux_v3_setup_multiple_pads(port_exp, ARRAY_SIZE(port_exp)); #ifdef CONFIG_VIDEO_IPUV3 setup_display(); #endif #ifdef CONFIG_MXC_SPI setup_spinor(); #endif #ifdef CONFIG_NAND_MXS setup_gpmi_nand(); #endif #ifdef CONFIG_CMD_SATA setup_sata(); #endif #ifdef CONFIG_MTD_NOR_FLASH setup_iomux_eimnor(); #endif #ifdef CONFIG_FEC_MXC setup_fec(); #endif #ifdef CONFIG_USB_EHCI_MX6 setup_usb(); #endif return 0; } #ifdef CONFIG_POWER int power_init_board(void) { struct pmic *pfuze; unsigned int value; int ret; pfuze = pfuze_common_init(I2C_PMIC); if (!pfuze) return -ENODEV; if (is_mx6dqp()) ret = pfuze_mode_init(pfuze, APS_APS); else ret = pfuze_mode_init(pfuze, APS_PFM); if (ret < 0) return ret; if (is_mx6dqp()) { /* set SW1C staby volatage 1.075V*/ pmic_reg_read(pfuze, PFUZE100_SW1CSTBY, &value); value &= ~0x3f; value |= 0x1f; 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); /* set SW2 staby volatage 0.975V*/ pmic_reg_read(pfuze, PFUZE100_SW2STBY, &value); value &= ~0x3f; value |= 0x17; pmic_reg_write(pfuze, PFUZE100_SW2STBY, value); /* set SW2/VDDARM step ramp up time to from 16us to 4us/25mV */ pmic_reg_read(pfuze, PFUZE100_SW2CONF, &value); value &= ~0xc0; value |= 0x40; pmic_reg_write(pfuze, PFUZE100_SW2CONF, value); } else { /* set SW1AB staby volatage 0.975V*/ pmic_reg_read(pfuze, PFUZE100_SW1ABSTBY, &value); value &= ~0x3f; value |= 0x1b; 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; unsigned int reg; int ret; dev = pfuze_common_init(); if (!dev) return -ENODEV; if (is_mx6dqp()) ret = pfuze_mode_init(dev, APS_APS); else ret = pfuze_mode_init(dev, APS_PFM); if (ret < 0) return ret; if (is_mx6dqp()) { /* set SW1C staby volatage 1.075V*/ reg = pmic_reg_read(dev, PFUZE100_SW1CSTBY); reg &= ~0x3f; reg |= 0x1f; pmic_reg_write(dev, PFUZE100_SW1CSTBY, reg); /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */ reg = pmic_reg_read(dev, PFUZE100_SW1CCONF); reg &= ~0xc0; reg |= 0x40; pmic_reg_write(dev, PFUZE100_SW1CCONF, reg); /* set SW2/VDDARM staby volatage 0.975V*/ reg = pmic_reg_read(dev, PFUZE100_SW2STBY); reg &= ~0x3f; reg |= 0x17; pmic_reg_write(dev, PFUZE100_SW2STBY, reg); /* set SW2/VDDARM step ramp up time to from 16us to 4us/25mV */ reg = pmic_reg_read(dev, PFUZE100_SW2CONF); reg &= ~0xc0; reg |= 0x40; pmic_reg_write(dev, PFUZE100_SW2CONF, reg); } else { /* set SW1AB staby volatage 0.975V*/ reg = pmic_reg_read(dev, PFUZE100_SW1ABSTBY); reg &= ~0x3f; reg |= 0x1b; pmic_reg_write(dev, PFUZE100_SW1ABSTBY, reg); /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ reg = pmic_reg_read(dev, PFUZE100_SW1ABCONF); reg &= ~0xc0; reg |= 0x40; pmic_reg_write(dev, PFUZE100_SW1ABCONF, reg); /* set SW1C staby volatage 0.975V*/ reg = pmic_reg_read(dev, PFUZE100_SW1CSTBY); reg &= ~0x3f; reg |= 0x1b; pmic_reg_write(dev, PFUZE100_SW1CSTBY, reg); /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */ reg = pmic_reg_read(dev, PFUZE100_SW1CCONF); reg &= ~0xc0; reg |= 0x40; pmic_reg_write(dev, PFUZE100_SW1CCONF, reg); } return 0; } #endif #ifdef CONFIG_LDO_BYPASS_CHECK #ifdef CONFIG_POWER void ldo_mode_set(int ldo_bypass) { unsigned int value; struct pmic *p = pmic_get("PFUZE100"); if (!p) { printf("No PMIC found!\n"); return; } /* increase VDDARM/VDDSOC to support 1.2G chip */ if (check_1_2G()) { ldo_bypass = 0; /* ldo_enable on 1.2G chip */ printf("1.2G chip, increase VDDARM_IN/VDDSOC_IN\n"); if (is_mx6dqp()) { /* increase VDDARM to 1.425V */ pmic_reg_read(p, PFUZE100_SW2VOL, &value); value &= ~0x3f; value |= 0x29; pmic_reg_write(p, PFUZE100_SW2VOL, value); } else { /* increase VDDARM to 1.425V */ pmic_reg_read(p, PFUZE100_SW1ABVOL, &value); value &= ~0x3f; value |= 0x2d; pmic_reg_write(p, PFUZE100_SW1ABVOL, value); } /* increase VDDSOC to 1.425V */ pmic_reg_read(p, PFUZE100_SW1CVOL, &value); value &= ~0x3f; value |= 0x2d; pmic_reg_write(p, PFUZE100_SW1CVOL, value); } } #elif defined(CONFIG_DM_PMIC_PFUZE100) void ldo_mode_set(int ldo_bypass) { struct udevice *dev; int ret; ret = pmic_get("pfuze100", &dev); if (ret == -ENODEV) { printf("No PMIC found!\n"); return; } /* increase VDDARM/VDDSOC to support 1.2G chip */ if (check_1_2G()) { ldo_bypass = 0; /* ldo_enable on 1.2G chip */ printf("1.2G chip, increase VDDARM_IN/VDDSOC_IN\n"); if (is_mx6dqp()) { /* increase VDDARM to 1.425V */ pmic_clrsetbits(dev, PFUZE100_SW2VOL, 0x3f, 0x29); } else { /* increase VDDARM to 1.425V */ pmic_clrsetbits(dev, PFUZE100_SW1ABVOL, 0x3f, 0x2d); } /* increase VDDSOC to 1.425V */ pmic_clrsetbits(dev, PFUZE100_SW1CVOL, 0x3f, 0x2d); } } #endif #endif #ifdef CONFIG_CMD_BMODE static const struct boot_mode board_boot_modes[] = { /* 4 bit bus width */ {"mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, {NULL, 0}, }; #endif int board_late_init(void) { #ifdef CONFIG_CMD_BMODE add_board_boot_modes(board_boot_modes); #endif #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG setenv("board_name", "SABREAUTO"); if (is_mx6dqp()) setenv("board_rev", "MX6QP"); else if (is_mx6dq()) setenv("board_rev", "MX6Q"); else if (is_mx6sdl()) setenv("board_rev", "MX6DL"); #endif #ifdef CONFIG_ENV_IS_IN_MMC board_late_mmc_env_init(); #endif return 0; } int checkboard(void) { int rev = mx6sabre_rev(); char *revname; switch (rev) { case BOARD_REV_B: revname = "B"; break; case BOARD_REV_A: default: revname = "A"; break; } printf("Board: MX6Q-Sabreauto rev%s\n", revname); return 0; }