/* * 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 #include DECLARE_GLOBAL_DATA_PTR; #define BOOT_CFG 0x020D8004 #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 I2C_PMIC 1 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL) #define DISP0_PWR_EN IMX_GPIO_NR(1, 21) int dram_init(void) { gd->ram_size = imx_ddr_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 enet_pads[] = { 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_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), /* AR8031 PHY Reset */ MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static void setup_iomux_enet(void) { imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); /* Reset AR8031 PHY */ gpio_direction_output(IMX_GPIO_NR(1, 25) , 0); udelay(500); gpio_set_value(IMX_GPIO_NR(1, 25), 1); } 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), MX6_PAD_NANDF_D4__SD2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_NANDF_D5__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_NANDF_D6__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_NANDF_D7__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ }; 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_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ }; iomux_v3_cfg_t const usdhc4_pads[] = { MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), }; iomux_v3_cfg_t const ecspi1_pads[] = { MX6_PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), MX6_PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), MX6_PAD_KEY_ROW0__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), MX6_PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static iomux_v3_cfg_t const rgb_pads[] = { MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23 | MUX_PAD_CTRL(NO_PAD_CTRL), MX6_PAD_SD1_DAT3__GPIO1_IO21 | MUX_PAD_CTRL(NO_PAD_CTRL), }; static void enable_rgb(struct display_info_t const *dev) { imx_iomux_v3_setup_multiple_pads(rgb_pads, ARRAY_SIZE(rgb_pads)); gpio_direction_output(DISP0_PWR_EN, 1); } static struct i2c_pads_info i2c_pad_info1 = { .scl = { .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD, .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD, .gp = IMX_GPIO_NR(4, 12) }, .sda = { .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD, .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD, .gp = IMX_GPIO_NR(4, 13) } }; static void setup_spi(void) { imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); } iomux_v3_cfg_t const pcie_pads[] = { MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), /* POWER */ MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), /* RESET */ }; static void setup_pcie(void) { imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads)); } iomux_v3_cfg_t const di0_pads[] = { MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK, /* DISP0_CLK */ MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, /* DISP0_HSYNC */ MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03, /* DISP0_VSYNC */ }; static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); } #ifdef CONFIG_FSL_ESDHC struct fsl_esdhc_cfg usdhc_cfg[3] = { {USDHC2_BASE_ADDR}, {USDHC3_BASE_ADDR}, {USDHC4_BASE_ADDR}, }; #define USDHC2_CD_GPIO IMX_GPIO_NR(2, 2) #define USDHC3_CD_GPIO IMX_GPIO_NR(2, 0) 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 USDHC2_BASE_ADDR: ret = !gpio_get_value(USDHC2_CD_GPIO); break; case USDHC3_BASE_ADDR: ret = !gpio_get_value(USDHC3_CD_GPIO); break; case USDHC4_BASE_ADDR: ret = 1; /* eMMC/uSDHC4 is always present */ break; } return ret; } int board_mmc_init(bd_t *bis) { #ifndef CONFIG_SPL_BUILD int ret; int i; /* * According to the board_mmc_init() the following map is done: * (U-boot device node) (Physical Port) * mmc0 SD2 * mmc1 SD3 * mmc2 eMMC */ for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { switch (i) { case 0: imx_iomux_v3_setup_multiple_pads( usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); gpio_direction_input(USDHC2_CD_GPIO); usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); break; case 1: imx_iomux_v3_setup_multiple_pads( usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); gpio_direction_input(USDHC3_CD_GPIO); usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); break; case 2: imx_iomux_v3_setup_multiple_pads( usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); break; default: printf("Warning: you configured more USDHC controllers" "(%d) then supported by the board (%d)\n", i + 1, CONFIG_SYS_FSL_USDHC_NUM); return -EINVAL; } ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); if (ret) return ret; } return 0; #else unsigned reg = readl(BOOT_CFG) >> 11; /* * Upon reading BOOT_CFG register the following map is done: * Bit 11 and 12 of BOOT_CFG register can determine the current * mmc port * 0x1 SD1 * 0x2 SD2 * 0x3 SD4 */ switch (reg & 0x3) { case 0x1: imx_iomux_v3_setup_multiple_pads( usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR; usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; break; case 0x2: imx_iomux_v3_setup_multiple_pads( usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR; usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; break; case 0x3: imx_iomux_v3_setup_multiple_pads( usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR; usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; break; } return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); #endif } #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; } #if defined(CONFIG_VIDEO_IPUV3) static void disable_lvds(struct display_info_t const *dev) { struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; int reg = readl(&iomux->gpr[2]); reg &= ~(IOMUXC_GPR2_LVDS_CH0_MODE_MASK | IOMUXC_GPR2_LVDS_CH1_MODE_MASK); writel(reg, &iomux->gpr[2]); } static void do_enable_hdmi(struct display_info_t const *dev) { disable_lvds(dev); imx_enable_hdmi_phy(); } static void enable_lvds(struct display_info_t const *dev) { struct iomuxc *iomux = (struct iomuxc *) IOMUXC_BASE_ADDR; u32 reg = readl(&iomux->gpr[2]); reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT; writel(reg, &iomux->gpr[2]); } struct display_info_t const displays[] = {{ .bus = -1, .addr = 0, .pixfmt = IPU_PIX_FMT_RGB666, .detect = NULL, .enable = enable_lvds, .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 = detect_hdmi, .enable = do_enable_hdmi, .mode = { .name = "HDMI", .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 = 0, .addr = 0, .pixfmt = IPU_PIX_FMT_RGB24, .detect = NULL, .enable = enable_rgb, .mode = { .name = "SEIKO-WVGA", .refresh = 60, .xres = 800, .yres = 480, .pixclock = 29850, .left_margin = 89, .right_margin = 164, .upper_margin = 23, .lower_margin = 10, .hsync_len = 10, .vsync_len = 10, .sync = 0, .vmode = FB_VMODE_NONINTERLACED } } }; size_t display_count = ARRAY_SIZE(displays); 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 HSYNC, VSYNC, DISP_CLK for debugging purposes */ imx_iomux_v3_setup_multiple_pads(di0_pads, ARRAY_SIZE(di0_pads)); enable_ipu_clock(); imx_setup_hdmi(); /* Turn on LDB0, LDB1, IPU,IPU DI0 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 LDB0, LDB1 clk select to 011/011 */ 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_BGREF_RRMODE_EXTERNAL_RES | 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_DISABLED | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0; writel(reg, &iomux->gpr[2]); reg = readl(&iomux->gpr[3]); reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK | IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 << IOMUXC_GPR3_LVDS1_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; } int board_eth_init(bd_t *bis) { setup_iomux_enet(); setup_pcie(); return cpu_eth_init(bis); } int board_early_init_f(void) { setup_iomux_uart(); #if defined(CONFIG_VIDEO_IPUV3) setup_display(); #endif return 0; } int board_init(void) { /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; #ifdef CONFIG_MXC_SPI setup_spi(); #endif setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); return 0; } static int pfuze_init(void) { struct pmic *p; int ret; unsigned int reg; ret = power_pfuze100_init(I2C_PMIC); if (ret) return ret; p = pmic_get("PFUZE100"); ret = pmic_probe(p); if (ret) return ret; pmic_reg_read(p, PFUZE100_DEVICEID, ®); printf("PMIC: PFUZE100 ID=0x%02x\n", reg); /* Increase VGEN3 from 2.5 to 2.8V */ pmic_reg_read(p, PFUZE100_VGEN3VOL, ®); reg &= ~0xf; reg |= 0xa; pmic_reg_write(p, PFUZE100_VGEN3VOL, reg); /* Increase VGEN5 from 2.8 to 3V */ pmic_reg_read(p, PFUZE100_VGEN5VOL, ®); reg &= ~0xf; reg |= 0xc; pmic_reg_write(p, PFUZE100_VGEN5VOL, reg); /* Set SW1AB stanby volage to 0.975V */ pmic_reg_read(p, PFUZE100_SW1ABSTBY, ®); reg &= ~0x3f; reg |= 0x1b; pmic_reg_write(p, PFUZE100_SW1ABSTBY, reg); /* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ pmic_reg_read(p, PUZE_100_SW1ABCONF, ®); reg &= ~0xc0; reg |= 0x40; pmic_reg_write(p, PUZE_100_SW1ABCONF, reg); /* Set SW1C standby voltage to 0.975V */ pmic_reg_read(p, PFUZE100_SW1CSTBY, ®); reg &= ~0x3f; reg |= 0x1b; pmic_reg_write(p, PFUZE100_SW1CSTBY, reg); /* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */ pmic_reg_read(p, PFUZE100_SW1CCONF, ®); reg &= ~0xc0; reg |= 0x40; pmic_reg_write(p, PFUZE100_SW1CCONF, reg); return 0; } #ifdef CONFIG_MXC_SPI int board_spi_cs_gpio(unsigned bus, unsigned cs) { return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 9)) : -1; } #endif #ifdef CONFIG_CMD_BMODE static const struct boot_mode board_boot_modes[] = { /* 4 bit bus width */ {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, /* 8 bit bus width */ {"emmc", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)}, {NULL, 0}, }; #endif int board_late_init(void) { #ifdef CONFIG_CMD_BMODE add_board_boot_modes(board_boot_modes); #endif pfuze_init(); return 0; } int checkboard(void) { puts("Board: MX6-SabreSD\n"); return 0; } #ifdef CONFIG_SPL_BUILD #include #include const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = { .dram_sdclk_0 = 0x00020030, .dram_sdclk_1 = 0x00020030, .dram_cas = 0x00020030, .dram_ras = 0x00020030, .dram_reset = 0x00020030, .dram_sdcke0 = 0x00003000, .dram_sdcke1 = 0x00003000, .dram_sdba2 = 0x00000000, .dram_sdodt0 = 0x00003030, .dram_sdodt1 = 0x00003030, .dram_sdqs0 = 0x00000030, .dram_sdqs1 = 0x00000030, .dram_sdqs2 = 0x00000030, .dram_sdqs3 = 0x00000030, .dram_sdqs4 = 0x00000030, .dram_sdqs5 = 0x00000030, .dram_sdqs6 = 0x00000030, .dram_sdqs7 = 0x00000030, .dram_dqm0 = 0x00020030, .dram_dqm1 = 0x00020030, .dram_dqm2 = 0x00020030, .dram_dqm3 = 0x00020030, .dram_dqm4 = 0x00020030, .dram_dqm5 = 0x00020030, .dram_dqm6 = 0x00020030, .dram_dqm7 = 0x00020030, }; const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = { .grp_ddr_type = 0x000C0000, .grp_ddrmode_ctl = 0x00020000, .grp_ddrpke = 0x00000000, .grp_addds = 0x00000030, .grp_ctlds = 0x00000030, .grp_ddrmode = 0x00020000, .grp_b0ds = 0x00000030, .grp_b1ds = 0x00000030, .grp_b2ds = 0x00000030, .grp_b3ds = 0x00000030, .grp_b4ds = 0x00000030, .grp_b5ds = 0x00000030, .grp_b6ds = 0x00000030, .grp_b7ds = 0x00000030, }; const struct mx6_mmdc_calibration mx6_mmcd_calib = { .p0_mpwldectrl0 = 0x001F001F, .p0_mpwldectrl1 = 0x001F001F, .p1_mpwldectrl0 = 0x00440044, .p1_mpwldectrl1 = 0x00440044, .p0_mpdgctrl0 = 0x434B0350, .p0_mpdgctrl1 = 0x034C0359, .p1_mpdgctrl0 = 0x434B0350, .p1_mpdgctrl1 = 0x03650348, .p0_mprddlctl = 0x4436383B, .p1_mprddlctl = 0x39393341, .p0_mpwrdlctl = 0x35373933, .p1_mpwrdlctl = 0x48254A36, }; static struct mx6_ddr3_cfg mem_ddr = { .mem_speed = 1600, .density = 4, .width = 64, .banks = 8, .rowaddr = 14, .coladdr = 10, .pagesz = 2, .trcd = 1375, .trcmin = 4875, .trasmin = 3500, }; /* * This section require the differentiation * between iMX6 Sabre Families. * But for now, it will configure only for * SabreSD. */ static void spl_dram_init(void) { struct mx6_ddr_sysinfo sysinfo = { /* width of data bus:0=16,1=32,2=64 */ .dsize = mem_ddr.width/32, /* config for full 4GB range so that get_mem_size() works */ .cs_density = 32, /* 32Gb per CS */ /* single chip select */ .ncs = 1, .cs1_mirror = 0, .rtt_wr = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Wr = RZQ/4 */ #ifdef RTT_NOM_120OHM .rtt_nom = 2 /*DDR3_RTT_120_OHM*/, /* RTT_Nom = RZQ/2 */ #else .rtt_nom = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Nom = RZQ/4 */ #endif .walat = 1, /* Write additional latency */ .ralat = 5, /* Read additional latency */ .mif3_mode = 3, /* Command prediction working mode */ .bi_on = 1, /* Bank interleaving enabled */ .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */ .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */ }; mx6dq_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs); mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr); } void board_init_f(ulong dummy) { /* setup AIPS and disable watchdog */ arch_cpu_init(); /* iomux and setup of i2c */ board_early_init_f(); /* setup GP timer */ timer_init(); /* UART clocks enabled and gd valid - init serial console */ preloader_console_init(); /* DDR initialization */ spl_dram_init(); /* Clear the BSS. */ memset(__bss_start, 0, __bss_end - __bss_start); /* load/boot image from boot device */ board_init_r(NULL, 0); } void reset_cpu(ulong addr) { } #endif