// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2012 Freescale Semiconductor, Inc. * * Author: Fabio Estevam */ #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 #include "../common/pfuze.h" #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 I2C_PMIC 1 #define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL) #define DISP0_PWR_EN IMX_GPIO_NR(1, 21) #define KEY_VOL_UP IMX_GPIO_NR(1, 4) int dram_init(void) { gd->ram_size = imx_ddr_size(); return 0; } static iomux_v3_cfg_t const uart1_pads[] = { IOMUX_PADS(PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), IOMUX_PADS(PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), }; static iomux_v3_cfg_t const enet_pads[] = { IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)), IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)), /* AR8031 PHY Reset */ IOMUX_PADS(PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; static void setup_iomux_enet(void) { SETUP_IOMUX_PADS(enet_pads); } static iomux_v3_cfg_t const usdhc2_pads[] = { IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_NANDF_D4__SD2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_NANDF_D5__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_NANDF_D6__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_NANDF_D7__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL)), /* CD */ }; static iomux_v3_cfg_t const usdhc3_pads[] = { IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL)), /* CD */ }; static iomux_v3_cfg_t const usdhc4_pads[] = { IOMUX_PADS(PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), IOMUX_PADS(PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), }; static iomux_v3_cfg_t const ecspi1_pads[] = { IOMUX_PADS(PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)), IOMUX_PADS(PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)), IOMUX_PADS(PAD_KEY_ROW0__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)), IOMUX_PADS(PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; static iomux_v3_cfg_t const rgb_pads[] = { IOMUX_PADS(PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT18__IPU1_DISP0_DATA18 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT19__IPU1_DISP0_DATA19 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT20__IPU1_DISP0_DATA20 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT21__IPU1_DISP0_DATA21 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT22__IPU1_DISP0_DATA22 | MUX_PAD_CTRL(NO_PAD_CTRL)), IOMUX_PADS(PAD_DISP0_DAT23__IPU1_DISP0_DATA23 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; static iomux_v3_cfg_t const bl_pads[] = { IOMUX_PADS(PAD_SD1_DAT3__GPIO1_IO21 | MUX_PAD_CTRL(NO_PAD_CTRL)), }; static void enable_backlight(void) { SETUP_IOMUX_PADS(bl_pads); gpio_request(DISP0_PWR_EN, "Display Power Enable"); gpio_direction_output(DISP0_PWR_EN, 1); } static void enable_rgb(struct display_info_t const *dev) { SETUP_IOMUX_PADS(rgb_pads); enable_backlight(); } static void enable_lvds(struct display_info_t const *dev) { enable_backlight(); } static struct i2c_pads_info mx6q_i2c_pad_info1 = { .scl = { .i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL | I2C_PAD, .gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD, .gp = IMX_GPIO_NR(4, 12) }, .sda = { .i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD, .gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD, .gp = IMX_GPIO_NR(4, 13) } }; static struct i2c_pads_info mx6dl_i2c_pad_info1 = { .scl = { .i2c_mode = MX6DL_PAD_KEY_COL3__I2C2_SCL | I2C_PAD, .gpio_mode = MX6DL_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD, .gp = IMX_GPIO_NR(4, 12) }, .sda = { .i2c_mode = MX6DL_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD, .gpio_mode = MX6DL_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD, .gp = IMX_GPIO_NR(4, 13) } }; static void setup_spi(void) { SETUP_IOMUX_PADS(ecspi1_pads); } iomux_v3_cfg_t const di0_pads[] = { IOMUX_PADS(PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK), /* DISP0_CLK */ IOMUX_PADS(PAD_DI0_PIN2__IPU1_DI0_PIN02), /* DISP0_HSYNC */ IOMUX_PADS(PAD_DI0_PIN3__IPU1_DI0_PIN03), /* DISP0_VSYNC */ }; static void setup_iomux_uart(void) { SETUP_IOMUX_PADS(uart1_pads); } #ifdef CONFIG_FSL_ESDHC_IMX 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_get_env_dev(int devno) { return devno - 1; } 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) { struct src *psrc = (struct src *)SRC_BASE_ADDR; unsigned reg = readl(&psrc->sbmr1) >> 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: SETUP_IOMUX_PADS(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: SETUP_IOMUX_PADS(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: SETUP_IOMUX_PADS(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 static int ar8031_phy_fixup(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) { ar8031_phy_fixup(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(); } 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 = 15384, .left_margin = 160, .right_margin = 24, .upper_margin = 29, .lower_margin = 3, .hsync_len = 136, .vsync_len = 6, .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 = 15384, .left_margin = 160, .right_margin = 24, .upper_margin = 29, .lower_margin = 3, .hsync_len = 136, .vsync_len = 6, .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 */ SETUP_IOMUX_PADS(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(); return cpu_eth_init(bis); } #ifdef CONFIG_USB_EHCI_MX6 static void setup_usb(void) { /* * set daisy chain for otg_pin_id on 6q. * for 6dl, this bit is reserved */ imx_iomux_set_gpr_register(1, 13, 1, 0); } #endif int board_early_init_f(void) { setup_iomux_uart(); 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 if (is_mx6dq() || is_mx6dqp()) setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c_pad_info1); else setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c_pad_info1); #if defined(CONFIG_VIDEO_IPUV3) setup_display(); #endif #ifdef CONFIG_USB_EHCI_MX6 setup_usb(); #endif return 0; } int power_init_board(void) { struct pmic *p; unsigned int reg; int ret; p = pfuze_common_init(I2C_PMIC); if (!p) return -ENODEV; ret = pfuze_mode_init(p, APS_PFM); if (ret < 0) return ret; /* Increase VGEN3 from 2.5 to 2.8V */ pmic_reg_read(p, PFUZE100_VGEN3VOL, ®); reg &= ~LDO_VOL_MASK; reg |= LDOB_2_80V; pmic_reg_write(p, PFUZE100_VGEN3VOL, reg); /* Increase VGEN5 from 2.8 to 3V */ pmic_reg_read(p, PFUZE100_VGEN5VOL, ®); reg &= ~LDO_VOL_MASK; reg |= LDOB_3_00V; pmic_reg_write(p, PFUZE100_VGEN5VOL, 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(0x60, 0x58, 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 env_set("board_name", "SABRESD"); if (is_mx6dqp()) env_set("board_rev", "MX6QP"); else if (is_mx6dq()) env_set("board_rev", "MX6Q"); else if (is_mx6sdl()) env_set("board_rev", "MX6DL"); #endif return 0; } int checkboard(void) { puts("Board: MX6-SabreSD\n"); return 0; } #ifdef CONFIG_SPL_BUILD #include #include #include #ifdef CONFIG_SPL_OS_BOOT int spl_start_uboot(void) { gpio_request(KEY_VOL_UP, "KEY Volume UP"); gpio_direction_input(KEY_VOL_UP); /* Only enter in Falcon mode if KEY_VOL_UP is pressed */ return gpio_get_value(KEY_VOL_UP); } #endif static void ccgr_init(void) { struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; writel(0x00C03F3F, &ccm->CCGR0); writel(0x0030FC03, &ccm->CCGR1); writel(0x0FFFC000, &ccm->CCGR2); writel(0x3FF00000, &ccm->CCGR3); writel(0x00FFF300, &ccm->CCGR4); writel(0x0F0000C3, &ccm->CCGR5); writel(0x000003FF, &ccm->CCGR6); } static int mx6q_dcd_table[] = { 0x020e0798, 0x000C0000, 0x020e0758, 0x00000000, 0x020e0588, 0x00000030, 0x020e0594, 0x00000030, 0x020e056c, 0x00000030, 0x020e0578, 0x00000030, 0x020e074c, 0x00000030, 0x020e057c, 0x00000030, 0x020e058c, 0x00000000, 0x020e059c, 0x00000030, 0x020e05a0, 0x00000030, 0x020e078c, 0x00000030, 0x020e0750, 0x00020000, 0x020e05a8, 0x00000030, 0x020e05b0, 0x00000030, 0x020e0524, 0x00000030, 0x020e051c, 0x00000030, 0x020e0518, 0x00000030, 0x020e050c, 0x00000030, 0x020e05b8, 0x00000030, 0x020e05c0, 0x00000030, 0x020e0774, 0x00020000, 0x020e0784, 0x00000030, 0x020e0788, 0x00000030, 0x020e0794, 0x00000030, 0x020e079c, 0x00000030, 0x020e07a0, 0x00000030, 0x020e07a4, 0x00000030, 0x020e07a8, 0x00000030, 0x020e0748, 0x00000030, 0x020e05ac, 0x00000030, 0x020e05b4, 0x00000030, 0x020e0528, 0x00000030, 0x020e0520, 0x00000030, 0x020e0514, 0x00000030, 0x020e0510, 0x00000030, 0x020e05bc, 0x00000030, 0x020e05c4, 0x00000030, 0x021b0800, 0xa1390003, 0x021b080c, 0x001F001F, 0x021b0810, 0x001F001F, 0x021b480c, 0x001F001F, 0x021b4810, 0x001F001F, 0x021b083c, 0x43270338, 0x021b0840, 0x03200314, 0x021b483c, 0x431A032F, 0x021b4840, 0x03200263, 0x021b0848, 0x4B434748, 0x021b4848, 0x4445404C, 0x021b0850, 0x38444542, 0x021b4850, 0x4935493A, 0x021b081c, 0x33333333, 0x021b0820, 0x33333333, 0x021b0824, 0x33333333, 0x021b0828, 0x33333333, 0x021b481c, 0x33333333, 0x021b4820, 0x33333333, 0x021b4824, 0x33333333, 0x021b4828, 0x33333333, 0x021b08b8, 0x00000800, 0x021b48b8, 0x00000800, 0x021b0004, 0x00020036, 0x021b0008, 0x09444040, 0x021b000c, 0x555A7975, 0x021b0010, 0xFF538F64, 0x021b0014, 0x01FF00DB, 0x021b0018, 0x00001740, 0x021b001c, 0x00008000, 0x021b002c, 0x000026d2, 0x021b0030, 0x005A1023, 0x021b0040, 0x00000027, 0x021b0000, 0x831A0000, 0x021b001c, 0x04088032, 0x021b001c, 0x00008033, 0x021b001c, 0x00048031, 0x021b001c, 0x09408030, 0x021b001c, 0x04008040, 0x021b0020, 0x00005800, 0x021b0818, 0x00011117, 0x021b4818, 0x00011117, 0x021b0004, 0x00025576, 0x021b0404, 0x00011006, 0x021b001c, 0x00000000, }; static int mx6qp_dcd_table[] = { 0x020e0798, 0x000c0000, 0x020e0758, 0x00000000, 0x020e0588, 0x00000030, 0x020e0594, 0x00000030, 0x020e056c, 0x00000030, 0x020e0578, 0x00000030, 0x020e074c, 0x00000030, 0x020e057c, 0x00000030, 0x020e058c, 0x00000000, 0x020e059c, 0x00000030, 0x020e05a0, 0x00000030, 0x020e078c, 0x00000030, 0x020e0750, 0x00020000, 0x020e05a8, 0x00000030, 0x020e05b0, 0x00000030, 0x020e0524, 0x00000030, 0x020e051c, 0x00000030, 0x020e0518, 0x00000030, 0x020e050c, 0x00000030, 0x020e05b8, 0x00000030, 0x020e05c0, 0x00000030, 0x020e0774, 0x00020000, 0x020e0784, 0x00000030, 0x020e0788, 0x00000030, 0x020e0794, 0x00000030, 0x020e079c, 0x00000030, 0x020e07a0, 0x00000030, 0x020e07a4, 0x00000030, 0x020e07a8, 0x00000030, 0x020e0748, 0x00000030, 0x020e05ac, 0x00000030, 0x020e05b4, 0x00000030, 0x020e0528, 0x00000030, 0x020e0520, 0x00000030, 0x020e0514, 0x00000030, 0x020e0510, 0x00000030, 0x020e05bc, 0x00000030, 0x020e05c4, 0x00000030, 0x021b0800, 0xa1390003, 0x021b080c, 0x001b001e, 0x021b0810, 0x002e0029, 0x021b480c, 0x001b002a, 0x021b4810, 0x0019002c, 0x021b083c, 0x43240334, 0x021b0840, 0x0324031a, 0x021b483c, 0x43340344, 0x021b4840, 0x03280276, 0x021b0848, 0x44383A3E, 0x021b4848, 0x3C3C3846, 0x021b0850, 0x2e303230, 0x021b4850, 0x38283E34, 0x021b081c, 0x33333333, 0x021b0820, 0x33333333, 0x021b0824, 0x33333333, 0x021b0828, 0x33333333, 0x021b481c, 0x33333333, 0x021b4820, 0x33333333, 0x021b4824, 0x33333333, 0x021b4828, 0x33333333, 0x021b08c0, 0x24912249, 0x021b48c0, 0x24914289, 0x021b08b8, 0x00000800, 0x021b48b8, 0x00000800, 0x021b0004, 0x00020036, 0x021b0008, 0x24444040, 0x021b000c, 0x555A7955, 0x021b0010, 0xFF320F64, 0x021b0014, 0x01ff00db, 0x021b0018, 0x00001740, 0x021b001c, 0x00008000, 0x021b002c, 0x000026d2, 0x021b0030, 0x005A1023, 0x021b0040, 0x00000027, 0x021b0400, 0x14420000, 0x021b0000, 0x831A0000, 0x021b0890, 0x00400C58, 0x00bb0008, 0x00000000, 0x00bb000c, 0x2891E41A, 0x00bb0038, 0x00000564, 0x00bb0014, 0x00000040, 0x00bb0028, 0x00000020, 0x00bb002c, 0x00000020, 0x021b001c, 0x04088032, 0x021b001c, 0x00008033, 0x021b001c, 0x00048031, 0x021b001c, 0x09408030, 0x021b001c, 0x04008040, 0x021b0020, 0x00005800, 0x021b0818, 0x00011117, 0x021b4818, 0x00011117, 0x021b0004, 0x00025576, 0x021b0404, 0x00011006, 0x021b001c, 0x00000000, }; static int mx6dl_dcd_table[] = { 0x020e0774, 0x000C0000, 0x020e0754, 0x00000000, 0x020e04ac, 0x00000030, 0x020e04b0, 0x00000030, 0x020e0464, 0x00000030, 0x020e0490, 0x00000030, 0x020e074c, 0x00000030, 0x020e0494, 0x00000030, 0x020e04a0, 0x00000000, 0x020e04b4, 0x00000030, 0x020e04b8, 0x00000030, 0x020e076c, 0x00000030, 0x020e0750, 0x00020000, 0x020e04bc, 0x00000030, 0x020e04c0, 0x00000030, 0x020e04c4, 0x00000030, 0x020e04c8, 0x00000030, 0x020e04cc, 0x00000030, 0x020e04d0, 0x00000030, 0x020e04d4, 0x00000030, 0x020e04d8, 0x00000030, 0x020e0760, 0x00020000, 0x020e0764, 0x00000030, 0x020e0770, 0x00000030, 0x020e0778, 0x00000030, 0x020e077c, 0x00000030, 0x020e0780, 0x00000030, 0x020e0784, 0x00000030, 0x020e078c, 0x00000030, 0x020e0748, 0x00000030, 0x020e0470, 0x00000030, 0x020e0474, 0x00000030, 0x020e0478, 0x00000030, 0x020e047c, 0x00000030, 0x020e0480, 0x00000030, 0x020e0484, 0x00000030, 0x020e0488, 0x00000030, 0x020e048c, 0x00000030, 0x021b0800, 0xa1390003, 0x021b080c, 0x001F001F, 0x021b0810, 0x001F001F, 0x021b480c, 0x001F001F, 0x021b4810, 0x001F001F, 0x021b083c, 0x4220021F, 0x021b0840, 0x0207017E, 0x021b483c, 0x4201020C, 0x021b4840, 0x01660172, 0x021b0848, 0x4A4D4E4D, 0x021b4848, 0x4A4F5049, 0x021b0850, 0x3F3C3D31, 0x021b4850, 0x3238372B, 0x021b081c, 0x33333333, 0x021b0820, 0x33333333, 0x021b0824, 0x33333333, 0x021b0828, 0x33333333, 0x021b481c, 0x33333333, 0x021b4820, 0x33333333, 0x021b4824, 0x33333333, 0x021b4828, 0x33333333, 0x021b08b8, 0x00000800, 0x021b48b8, 0x00000800, 0x021b0004, 0x0002002D, 0x021b0008, 0x00333030, 0x021b000c, 0x3F435313, 0x021b0010, 0xB66E8B63, 0x021b0014, 0x01FF00DB, 0x021b0018, 0x00001740, 0x021b001c, 0x00008000, 0x021b002c, 0x000026d2, 0x021b0030, 0x00431023, 0x021b0040, 0x00000027, 0x021b0000, 0x831A0000, 0x021b001c, 0x04008032, 0x021b001c, 0x00008033, 0x021b001c, 0x00048031, 0x021b001c, 0x05208030, 0x021b001c, 0x04008040, 0x021b0020, 0x00005800, 0x021b0818, 0x00011117, 0x021b4818, 0x00011117, 0x021b0004, 0x0002556D, 0x021b0404, 0x00011006, 0x021b001c, 0x00000000, }; static void ddr_init(int *table, int size) { int i; for (i = 0; i < size / 2 ; i++) writel(table[2 * i + 1], table[2 * i]); } static void spl_dram_init(void) { if (is_mx6dq()) ddr_init(mx6q_dcd_table, ARRAY_SIZE(mx6q_dcd_table)); else if (is_mx6dqp()) ddr_init(mx6qp_dcd_table, ARRAY_SIZE(mx6qp_dcd_table)); else if (is_mx6sdl()) ddr_init(mx6dl_dcd_table, ARRAY_SIZE(mx6dl_dcd_table)); } void board_init_f(ulong dummy) { /* DDR initialization */ spl_dram_init(); /* setup AIPS and disable watchdog */ arch_cpu_init(); ccgr_init(); gpr_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(); /* Clear the BSS. */ memset(__bss_start, 0, __bss_end - __bss_start); /* load/boot image from boot device */ board_init_r(NULL, 0); } #endif #ifdef CONFIG_SPL_LOAD_FIT int board_fit_config_name_match(const char *name) { if (is_mx6dq()) { if (!strcmp(name, "imx6q-sabresd")) return 0; } else if (is_mx6dqp()) { if (!strcmp(name, "imx6qp-sabresd")) return 0; } else if (is_mx6dl()) { if (!strcmp(name, "imx6dl-sabresd")) return 0; } return -1; } #endif