// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2010-2013 Freescale Semiconductor, Inc. * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com> * Copyright (C) 2014-2016, Toradex AG * copied from nitrogen6x */ #include <common.h> #include <dm.h> #include <asm/arch/clock.h> #include <asm/arch/crm_regs.h> #include <asm/arch/imx-regs.h> #include <asm/arch/iomux.h> #include <asm/arch/mx6-pins.h> #include <asm/arch/mx6-ddr.h> #include <asm/arch/mxc_hdmi.h> #include <asm/arch/sys_proto.h> #include <asm/bootm.h> #include <asm/gpio.h> #include <asm/mach-imx/iomux-v3.h> #include <asm/mach-imx/mxc_i2c.h> #include <asm/mach-imx/sata.h> #include <asm/mach-imx/boot_mode.h> #include <asm/mach-imx/video.h> #include <asm/io.h> #include <dm/platform_data/serial_mxc.h> #include <dm/platdata.h> #include <fsl_esdhc.h> #include <i2c.h> #include <input.h> #include <imx_thermal.h> #include <linux/errno.h> #include <malloc.h> #include <micrel.h> #include <miiphy.h> #include <mmc.h> #include <netdev.h> #include "../common/tdx-cfg-block.h" #ifdef CONFIG_TDX_CMD_IMX_MFGR #include "pf0100.h" #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) #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 BUTTON_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 WEAK_PULLUP (PAD_CTL_PUS_100K_UP | \ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ PAD_CTL_SRE_SLOW) #define NO_PULLUP ( \ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ PAD_CTL_SRE_SLOW) #define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \ PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ PAD_CTL_HYS | PAD_CTL_SRE_SLOW) #define OUTPUT_40OHM (PAD_CTL_SPEED_MED|PAD_CTL_DSE_40ohm) #define OUTPUT_RGB (PAD_CTL_SPEED_MED|PAD_CTL_DSE_60ohm|PAD_CTL_SRE_FAST) int dram_init(void) { /* use the DDR controllers configured size */ gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, (ulong)imx_ddr_size()); return 0; } /* Colibri UARTA */ iomux_v3_cfg_t const uart1_pads[] = { MX6_PAD_CSI0_DAT10__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), MX6_PAD_CSI0_DAT11__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), }; #define PC MUX_PAD_CTRL(I2C_PAD_CTRL) /* Colibri I2C */ struct i2c_pads_info i2c_pad_info1 = { .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_GPIO_6__I2C3_SDA | PC, .gpio_mode = MX6_PAD_GPIO_6__GPIO1_IO06 | PC, .gp = IMX_GPIO_NR(1, 6) } }; /* Colibri local, PMIC, SGTL5000, STMPE811 */ struct i2c_pads_info i2c_pad_info_loc = { .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_EIM_D16__I2C2_SDA | PC, .gpio_mode = MX6_PAD_EIM_D16__GPIO3_IO16 | PC, .gp = IMX_GPIO_NR(3, 16) } }; /* Apalis MMC */ 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), MX6_PAD_NANDF_D5__GPIO2_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ # define GPIO_MMC_CD IMX_GPIO_NR(2, 5) }; /* eMMC */ 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_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL), }; iomux_v3_cfg_t const enet_pads[] = { MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_MDIO__ENET_MDIO | 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_RX_ER__ENET_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_ENET_TX_EN__ENET_TX_EN | 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_CRS_DV__ENET_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL), }; static void setup_iomux_enet(void) { imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); } /* mux auxiliary pins to GPIO, so they can be used from the U-Boot cmdline */ iomux_v3_cfg_t const gpio_pads[] = { /* ADDRESS[17:18] [25] used as GPIO */ MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_KEY_COL2__GPIO4_IO10 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_NANDF_D1__GPIO2_IO01 | MUX_PAD_CTRL(WEAK_PULLUP), /* ADDRESS[19:24] used as GPIO */ MX6_PAD_DISP0_DAT23__GPIO5_IO17 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_DISP0_DAT22__GPIO5_IO16 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_DISP0_DAT21__GPIO5_IO15 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_DISP0_DAT20__GPIO5_IO14 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_DISP0_DAT19__GPIO5_IO13 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_DISP0_DAT18__GPIO5_IO12 | MUX_PAD_CTRL(WEAK_PULLUP), /* DATA[16:29] [31] used as GPIO */ MX6_PAD_EIM_LBA__GPIO2_IO27 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_NANDF_CS3__GPIO6_IO16 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_NANDF_RB0__GPIO6_IO10 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_NANDF_ALE__GPIO6_IO08 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_NANDF_WP_B__GPIO6_IO09 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_NANDF_CLE__GPIO6_IO07 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_GPIO_19__GPIO4_IO05 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_CSI0_MCLK__GPIO5_IO19 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_CSI0_PIXCLK__GPIO5_IO18 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(WEAK_PULLUP), /* DQM[0:3] used as GPIO */ MX6_PAD_EIM_EB0__GPIO2_IO28 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_EIM_EB1__GPIO2_IO29 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_SD2_DAT2__GPIO1_IO13 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(WEAK_PULLUP), /* RDY used as GPIO */ MX6_PAD_EIM_WAIT__GPIO5_IO00 | MUX_PAD_CTRL(WEAK_PULLUP), /* ADDRESS[16] DATA[30] used as GPIO */ MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(WEAK_PULLDOWN), MX6_PAD_KEY_COL4__GPIO4_IO14 | MUX_PAD_CTRL(WEAK_PULLUP), /* CSI pins used as GPIO */ MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_SD2_CMD__GPIO1_IO11 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_EIM_D18__GPIO3_IO18 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_EIM_A19__GPIO2_IO19 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(WEAK_PULLDOWN), MX6_PAD_EIM_A23__GPIO6_IO06 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_EIM_A17__GPIO2_IO21 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_EIM_A18__GPIO2_IO20 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_EIM_EB3__GPIO2_IO31 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_EIM_D17__GPIO3_IO17 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_SD2_DAT0__GPIO1_IO15 | MUX_PAD_CTRL(WEAK_PULLUP), /* GPIO */ MX6_PAD_EIM_D26__GPIO3_IO26 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_EIM_D27__GPIO3_IO27 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_NANDF_D3__GPIO2_IO03 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_ENET_REF_CLK__GPIO1_IO23 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_DI0_PIN4__GPIO4_IO20 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_SD4_DAT3__GPIO2_IO11 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_NANDF_D4__GPIO2_IO04 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_GPIO_7__GPIO1_IO07 | MUX_PAD_CTRL(WEAK_PULLUP), MX6_PAD_GPIO_8__GPIO1_IO08 | MUX_PAD_CTRL(WEAK_PULLUP), /* USBH_OC */ MX6_PAD_EIM_D30__GPIO3_IO30 | MUX_PAD_CTRL(WEAK_PULLUP), /* USBC_ID */ MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(WEAK_PULLUP), /* USBC_DET */ MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(WEAK_PULLUP), }; static void setup_iomux_gpio(void) { imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads)); } iomux_v3_cfg_t const usb_pads[] = { /* USB_PE */ MX6_PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL), # define GPIO_USBH_EN IMX_GPIO_NR(3, 31) }; /* * UARTs are used in DTE mode, switch the mode on all UARTs before * any pinmuxing connects a (DCE) output to a transceiver output. */ #define UFCR 0x90 /* FIFO Control Register */ #define UFCR_DCEDTE (1<<6) /* DCE=0 */ static void setup_dtemode_uart(void) { setbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE); setbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE); setbits_le32((u32 *)(UART3_BASE + UFCR), UFCR_DCEDTE); } static void setup_iomux_uart(void) { setup_dtemode_uart(); imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); } #ifdef CONFIG_USB_EHCI_MX6 int board_ehci_hcd_init(int port) { imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads)); return 0; } int board_ehci_power(int port, int on) { switch (port) { case 0: /* control OTG power */ /* No special PE for USBC, always on when ID pin signals host mode */ break; case 1: /* Control MXM USBH */ /* Set MXM USBH power enable, '0' means on */ gpio_direction_output(GPIO_USBH_EN, !on); mdelay(100); break; default: break; } return 0; } #endif #ifdef CONFIG_FSL_ESDHC /* use the following sequence: eMMC, MMC */ struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = { {USDHC3_BASE_ADDR}, {USDHC1_BASE_ADDR}, }; int board_mmc_getcd(struct mmc *mmc) { struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; int ret = true; /* default: assume inserted */ switch (cfg->esdhc_base) { case USDHC1_BASE_ADDR: gpio_direction_input(GPIO_MMC_CD); ret = !gpio_get_value(GPIO_MMC_CD); break; } return ret; } int board_mmc_init(bd_t *bis) { #ifndef CONFIG_SPL_BUILD s32 status = 0; u32 index = 0; usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); usdhc_cfg[0].max_bus_width = 8; usdhc_cfg[1].max_bus_width = 4; for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { switch (index) { case 0: imx_iomux_v3_setup_multiple_pads( usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); break; case 1: imx_iomux_v3_setup_multiple_pads( usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); break; default: printf("Warning: you configured more USDHC controllers (%d) then supported by the board (%d)\n", index + 1, CONFIG_SYS_FSL_USDHC_NUM); return status; } status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]); } return status; #else 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 0x0: imx_iomux_v3_setup_multiple_pads( usdhc1_pads, ARRAY_SIZE(usdhc1_pads)); usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR; usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_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; default: puts("MMC boot device not available"); } return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); #endif } #endif int board_phy_config(struct phy_device *phydev) { if (phydev->drv->config) phydev->drv->config(phydev); return 0; } int board_eth_init(bd_t *bis) { struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; uint32_t base = IMX_FEC_BASE; struct mii_dev *bus = NULL; struct phy_device *phydev = NULL; int ret; /* provide the PHY clock from the i.MX 6 */ ret = enable_fec_anatop_clock(0, ENET_50MHZ); if (ret) return ret; /* set gpr1[ENET_CLK_SEL] */ setbits_le32(&iomuxc_regs->gpr[1], IOMUXC_GPR1_ENET_CLK_SEL_MASK); setup_iomux_enet(); #ifdef CONFIG_FEC_MXC bus = fec_get_miibus(base, -1); if (!bus) return 0; /* scan PHY 1..7 */ phydev = phy_find_by_mask(bus, 0xff, PHY_INTERFACE_MODE_RMII); if (!phydev) { free(bus); puts("no PHY found\n"); return 0; } phy_reset(phydev); printf("using PHY at %d\n", phydev->addr); ret = fec_probe(bis, -1, base, bus, phydev); if (ret) { printf("FEC MXC: %s:failed\n", __func__); free(phydev); free(bus); } #endif return 0; } static iomux_v3_cfg_t const pwr_intb_pads[] = { /* * the bootrom sets the iomux to vselect, potentially connecting * two outputs. Set this back to GPIO */ MX6_PAD_GPIO_18__GPIO7_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL) }; #if defined(CONFIG_VIDEO_IPUV3) static iomux_v3_cfg_t const backlight_pads[] = { /* Backlight On */ MX6_PAD_EIM_D26__GPIO3_IO26 | MUX_PAD_CTRL(NO_PAD_CTRL), #define RGB_BACKLIGHT_GP IMX_GPIO_NR(3, 26) /* Backlight PWM, used as GPIO in U-Boot */ MX6_PAD_EIM_A22__GPIO2_IO16 | MUX_PAD_CTRL(NO_PULLUP), MX6_PAD_SD4_DAT1__GPIO2_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL), #define RGB_BACKLIGHTPWM_GP IMX_GPIO_NR(2, 9) }; static iomux_v3_cfg_t const rgb_pads[] = { MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(OUTPUT_RGB), MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(OUTPUT_RGB), }; static void do_enable_hdmi(struct display_info_t const *dev) { imx_enable_hdmi_phy(); } 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(RGB_BACKLIGHT_GP, 1); gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0); } static int detect_default(struct display_info_t const *dev) { (void) dev; return 1; } struct display_info_t const displays[] = {{ .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 = -1, .addr = 0, .pixfmt = IPU_PIX_FMT_RGB666, .detect = detect_default, .enable = enable_rgb, .mode = { .name = "vga-rgb", .refresh = 60, .xres = 640, .yres = 480, .pixclock = 33000, .left_margin = 48, .right_margin = 16, .upper_margin = 31, .lower_margin = 11, .hsync_len = 96, .vsync_len = 2, .sync = 0, .vmode = FB_VMODE_NONINTERLACED } }, { .bus = -1, .addr = 0, .pixfmt = IPU_PIX_FMT_RGB666, .enable = enable_rgb, .mode = { .name = "wvga-rgb", .refresh = 60, .xres = 800, .yres = 480, .pixclock = 25000, .left_margin = 40, .right_margin = 88, .upper_margin = 33, .lower_margin = 10, .hsync_len = 128, .vsync_len = 2, .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; enable_ipu_clock(); imx_setup_hdmi(); /* Turn on LDB0,IPU,IPU DI0 clocks */ reg = __raw_readl(&mxc_ccm->CCGR3); reg |= MXC_CCM_CCGR3_LDB_DI0_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; writel(reg, &mxc_ccm->cscmr2); reg = readl(&mxc_ccm->chsccdr); reg |= (CHSCCDR_CLK_SEL_LDB_DI0 <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); writel(reg, &mxc_ccm->chsccdr); reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH |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_CH1_MODE_DISABLED |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0; writel(reg, &iomux->gpr[2]); reg = readl(&iomux->gpr[3]); reg = (reg & ~(IOMUXC_GPR3_LVDS0_MUX_CTL_MASK |IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET); writel(reg, &iomux->gpr[3]); /* backlight unconditionally on for now */ imx_iomux_v3_setup_multiple_pads(backlight_pads, ARRAY_SIZE(backlight_pads)); /* use 0 for EDT 7", use 1 for LG fullHD panel */ gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0); gpio_direction_output(RGB_BACKLIGHT_GP, 1); } #endif /* defined(CONFIG_VIDEO_IPUV3) */ int board_early_init_f(void) { imx_iomux_v3_setup_multiple_pads(pwr_intb_pads, ARRAY_SIZE(pwr_intb_pads)); setup_iomux_uart(); return 0; } /* * Do not overwrite the console * Use always serial for U-Boot console */ int overwrite_console(void) { return 1; } int board_init(void) { /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info_loc); #if defined(CONFIG_VIDEO_IPUV3) setup_display(); #endif #ifdef CONFIG_TDX_CMD_IMX_MFGR (void) pmic_init(); #endif #ifdef CONFIG_SATA setup_sata(); #endif setup_iomux_gpio(); return 0; } #ifdef CONFIG_BOARD_LATE_INIT int board_late_init(void) { #if defined(CONFIG_REVISION_TAG) && \ defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG) char env_str[256]; u32 rev; rev = get_board_rev(); snprintf(env_str, ARRAY_SIZE(env_str), "%.4x", rev); env_set("board_rev", env_str); #endif return 0; } #endif /* CONFIG_BOARD_LATE_INIT */ #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_SYSTEM_SETUP) int ft_system_setup(void *blob, bd_t *bd) { return 0; } #endif int checkboard(void) { char it[] = " IT"; int minc, maxc; switch (get_cpu_temp_grade(&minc, &maxc)) { case TEMP_AUTOMOTIVE: case TEMP_INDUSTRIAL: break; case TEMP_EXTCOMMERCIAL: default: it[0] = 0; }; printf("Model: Toradex Colibri iMX6 %s %sMB%s\n", is_cpu_type(MXC_CPU_MX6DL) ? "DualLite" : "Solo", (gd->ram_size == 0x20000000) ? "512" : "256", it); return 0; } #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) int ft_board_setup(void *blob, bd_t *bd) { return ft_common_board_setup(blob, bd); } #endif #ifdef CONFIG_CMD_BMODE static const struct boot_mode board_boot_modes[] = { {"mmc", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)}, {NULL, 0}, }; #endif int misc_init_r(void) { #ifdef CONFIG_CMD_BMODE add_board_boot_modes(board_boot_modes); #endif return 0; } #ifdef CONFIG_LDO_BYPASS_CHECK /* TODO, use external pmic, for now always ldo_enable */ void ldo_mode_set(int ldo_bypass) { return; } #endif #ifdef CONFIG_SPL_BUILD #include <spl.h> #include <linux/libfdt.h> #include "asm/arch/mx6dl-ddr.h" #include "asm/arch/iomux.h" #include "asm/arch/crm_regs.h" static int mx6s_dcd_table[] = { /* ddr-setup.cfg */ MX6_IOM_DRAM_SDQS0, 0x00000030, MX6_IOM_DRAM_SDQS1, 0x00000030, MX6_IOM_DRAM_SDQS2, 0x00000030, MX6_IOM_DRAM_SDQS3, 0x00000030, MX6_IOM_DRAM_SDQS4, 0x00000030, MX6_IOM_DRAM_SDQS5, 0x00000030, MX6_IOM_DRAM_SDQS6, 0x00000030, MX6_IOM_DRAM_SDQS7, 0x00000030, MX6_IOM_GRP_B0DS, 0x00000030, MX6_IOM_GRP_B1DS, 0x00000030, MX6_IOM_GRP_B2DS, 0x00000030, MX6_IOM_GRP_B3DS, 0x00000030, MX6_IOM_GRP_B4DS, 0x00000030, MX6_IOM_GRP_B5DS, 0x00000030, MX6_IOM_GRP_B6DS, 0x00000030, MX6_IOM_GRP_B7DS, 0x00000030, MX6_IOM_GRP_ADDDS, 0x00000030, /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ MX6_IOM_GRP_CTLDS, 0x00000030, MX6_IOM_DRAM_DQM0, 0x00020030, MX6_IOM_DRAM_DQM1, 0x00020030, MX6_IOM_DRAM_DQM2, 0x00020030, MX6_IOM_DRAM_DQM3, 0x00020030, MX6_IOM_DRAM_DQM4, 0x00020030, MX6_IOM_DRAM_DQM5, 0x00020030, MX6_IOM_DRAM_DQM6, 0x00020030, MX6_IOM_DRAM_DQM7, 0x00020030, MX6_IOM_DRAM_CAS, 0x00020030, MX6_IOM_DRAM_RAS, 0x00020030, MX6_IOM_DRAM_SDCLK_0, 0x00020030, MX6_IOM_DRAM_SDCLK_1, 0x00020030, MX6_IOM_DRAM_RESET, 0x00020030, MX6_IOM_DRAM_SDCKE0, 0x00003000, MX6_IOM_DRAM_SDCKE1, 0x00003000, MX6_IOM_DRAM_SDODT0, 0x00003030, MX6_IOM_DRAM_SDODT1, 0x00003030, /* (differential input) */ MX6_IOM_DDRMODE_CTL, 0x00020000, /* (differential input) */ MX6_IOM_GRP_DDRMODE, 0x00020000, /* disable ddr pullups */ MX6_IOM_GRP_DDRPKE, 0x00000000, MX6_IOM_DRAM_SDBA2, 0x00000000, /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ MX6_IOM_GRP_DDR_TYPE, 0x000C0000, /* Read data DQ Byte0-3 delay */ MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333, MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333, MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333, MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333, MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333, MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333, MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333, MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333, /* * MDMISC mirroring interleaved (row/bank/col) */ /* TODO: check what the RALAT field does */ MX6_MMDC_P0_MDMISC, 0x00081740, /* * MDSCR con_req */ MX6_MMDC_P0_MDSCR, 0x00008000, /* 800mhz_2x64mx16.cfg */ MX6_MMDC_P0_MDPDC, 0x0002002D, MX6_MMDC_P0_MDCFG0, 0x2C305503, MX6_MMDC_P0_MDCFG1, 0xB66D8D63, MX6_MMDC_P0_MDCFG2, 0x01FF00DB, MX6_MMDC_P0_MDRWD, 0x000026D2, MX6_MMDC_P0_MDOR, 0x00301023, MX6_MMDC_P0_MDOTC, 0x00333030, MX6_MMDC_P0_MDPDC, 0x0002556D, /* CS0 End: 7MSB of ((0x10000000, + 512M) -1) >> 25 */ MX6_MMDC_P0_MDASP, 0x00000017, /* DDR3 DATA BUS SIZE: 64BIT */ /* MX6_MMDC_P0_MDCTL, 0x821A0000, */ /* DDR3 DATA BUS SIZE: 32BIT */ MX6_MMDC_P0_MDCTL, 0x82190000, /* Write commands to DDR */ /* Load Mode Registers */ /* TODO Use Auto Self-Refresh mode (Extended Temperature)*/ /* MX6_MMDC_P0_MDSCR, 0x04408032, */ MX6_MMDC_P0_MDSCR, 0x04008032, MX6_MMDC_P0_MDSCR, 0x00008033, MX6_MMDC_P0_MDSCR, 0x00048031, MX6_MMDC_P0_MDSCR, 0x13208030, /* ZQ calibration */ MX6_MMDC_P0_MDSCR, 0x04008040, MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003, MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003, MX6_MMDC_P0_MDREF, 0x00005800, MX6_MMDC_P0_MPODTCTRL, 0x00000000, MX6_MMDC_P1_MPODTCTRL, 0x00000000, MX6_MMDC_P0_MPDGCTRL0, 0x42360232, MX6_MMDC_P0_MPDGCTRL1, 0x021F022A, MX6_MMDC_P1_MPDGCTRL0, 0x421E0224, MX6_MMDC_P1_MPDGCTRL1, 0x02110218, MX6_MMDC_P0_MPRDDLCTL, 0x41434344, MX6_MMDC_P1_MPRDDLCTL, 0x4345423E, MX6_MMDC_P0_MPWRDLCTL, 0x39383339, MX6_MMDC_P1_MPWRDLCTL, 0x3E363930, MX6_MMDC_P0_MPWLDECTRL0, 0x00340039, MX6_MMDC_P0_MPWLDECTRL1, 0x002C002D, MX6_MMDC_P1_MPWLDECTRL0, 0x00120019, MX6_MMDC_P1_MPWLDECTRL1, 0x0012002D, MX6_MMDC_P0_MPMUR0, 0x00000800, MX6_MMDC_P1_MPMUR0, 0x00000800, MX6_MMDC_P0_MDSCR, 0x00000000, MX6_MMDC_P0_MAPSR, 0x00011006, }; static int mx6dl_dcd_table[] = { /* ddr-setup.cfg */ MX6_IOM_DRAM_SDQS0, 0x00000030, MX6_IOM_DRAM_SDQS1, 0x00000030, MX6_IOM_DRAM_SDQS2, 0x00000030, MX6_IOM_DRAM_SDQS3, 0x00000030, MX6_IOM_DRAM_SDQS4, 0x00000030, MX6_IOM_DRAM_SDQS5, 0x00000030, MX6_IOM_DRAM_SDQS6, 0x00000030, MX6_IOM_DRAM_SDQS7, 0x00000030, MX6_IOM_GRP_B0DS, 0x00000030, MX6_IOM_GRP_B1DS, 0x00000030, MX6_IOM_GRP_B2DS, 0x00000030, MX6_IOM_GRP_B3DS, 0x00000030, MX6_IOM_GRP_B4DS, 0x00000030, MX6_IOM_GRP_B5DS, 0x00000030, MX6_IOM_GRP_B6DS, 0x00000030, MX6_IOM_GRP_B7DS, 0x00000030, MX6_IOM_GRP_ADDDS, 0x00000030, /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ MX6_IOM_GRP_CTLDS, 0x00000030, MX6_IOM_DRAM_DQM0, 0x00020030, MX6_IOM_DRAM_DQM1, 0x00020030, MX6_IOM_DRAM_DQM2, 0x00020030, MX6_IOM_DRAM_DQM3, 0x00020030, MX6_IOM_DRAM_DQM4, 0x00020030, MX6_IOM_DRAM_DQM5, 0x00020030, MX6_IOM_DRAM_DQM6, 0x00020030, MX6_IOM_DRAM_DQM7, 0x00020030, MX6_IOM_DRAM_CAS, 0x00020030, MX6_IOM_DRAM_RAS, 0x00020030, MX6_IOM_DRAM_SDCLK_0, 0x00020030, MX6_IOM_DRAM_SDCLK_1, 0x00020030, MX6_IOM_DRAM_RESET, 0x00020030, MX6_IOM_DRAM_SDCKE0, 0x00003000, MX6_IOM_DRAM_SDCKE1, 0x00003000, MX6_IOM_DRAM_SDODT0, 0x00003030, MX6_IOM_DRAM_SDODT1, 0x00003030, /* (differential input) */ MX6_IOM_DDRMODE_CTL, 0x00020000, /* (differential input) */ MX6_IOM_GRP_DDRMODE, 0x00020000, /* disable ddr pullups */ MX6_IOM_GRP_DDRPKE, 0x00000000, MX6_IOM_DRAM_SDBA2, 0x00000000, /* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ MX6_IOM_GRP_DDR_TYPE, 0x000C0000, /* Read data DQ Byte0-3 delay */ MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333, MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333, MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333, MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333, MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333, MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333, MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333, MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333, /* * MDMISC mirroring interleaved (row/bank/col) */ /* TODO: check what the RALAT field does */ MX6_MMDC_P0_MDMISC, 0x00081740, /* * MDSCR con_req */ MX6_MMDC_P0_MDSCR, 0x00008000, /* 800mhz_2x64mx16.cfg */ MX6_MMDC_P0_MDPDC, 0x0002002D, MX6_MMDC_P0_MDCFG0, 0x2C305503, MX6_MMDC_P0_MDCFG1, 0xB66D8D63, MX6_MMDC_P0_MDCFG2, 0x01FF00DB, MX6_MMDC_P0_MDRWD, 0x000026D2, MX6_MMDC_P0_MDOR, 0x00301023, MX6_MMDC_P0_MDOTC, 0x00333030, MX6_MMDC_P0_MDPDC, 0x0002556D, /* CS0 End: 7MSB of ((0x10000000, + 512M) -1) >> 25 */ MX6_MMDC_P0_MDASP, 0x00000017, /* DDR3 DATA BUS SIZE: 64BIT */ MX6_MMDC_P0_MDCTL, 0x821A0000, /* DDR3 DATA BUS SIZE: 32BIT */ /* MX6_MMDC_P0_MDCTL, 0x82190000, */ /* Write commands to DDR */ /* Load Mode Registers */ /* TODO Use Auto Self-Refresh mode (Extended Temperature)*/ /* MX6_MMDC_P0_MDSCR, 0x04408032, */ MX6_MMDC_P0_MDSCR, 0x04008032, MX6_MMDC_P0_MDSCR, 0x00008033, MX6_MMDC_P0_MDSCR, 0x00048031, MX6_MMDC_P0_MDSCR, 0x13208030, /* ZQ calibration */ MX6_MMDC_P0_MDSCR, 0x04008040, MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003, MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003, MX6_MMDC_P0_MDREF, 0x00005800, MX6_MMDC_P0_MPODTCTRL, 0x00000000, MX6_MMDC_P1_MPODTCTRL, 0x00000000, MX6_MMDC_P0_MPDGCTRL0, 0x42360232, MX6_MMDC_P0_MPDGCTRL1, 0x021F022A, MX6_MMDC_P1_MPDGCTRL0, 0x421E0224, MX6_MMDC_P1_MPDGCTRL1, 0x02110218, MX6_MMDC_P0_MPRDDLCTL, 0x41434344, MX6_MMDC_P1_MPRDDLCTL, 0x4345423E, MX6_MMDC_P0_MPWRDLCTL, 0x39383339, MX6_MMDC_P1_MPWRDLCTL, 0x3E363930, MX6_MMDC_P0_MPWLDECTRL0, 0x00340039, MX6_MMDC_P0_MPWLDECTRL1, 0x002C002D, MX6_MMDC_P1_MPWLDECTRL0, 0x00120019, MX6_MMDC_P1_MPWLDECTRL1, 0x0012002D, MX6_MMDC_P0_MPMUR0, 0x00000800, MX6_MMDC_P1_MPMUR0, 0x00000800, MX6_MMDC_P0_MDSCR, 0x00000000, MX6_MMDC_P0_MAPSR, 0x00011006, }; 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(0x0FFFFFF3, &ccm->CCGR2); writel(0x3FF0300F, &ccm->CCGR3); writel(0x00FFF300, &ccm->CCGR4); writel(0x0F0000F3, &ccm->CCGR5); writel(0x000003FF, &ccm->CCGR6); /* * Setup CCM_CCOSR register as follows: * * cko1_en = 1 --> CKO1 enabled * cko1_div = 111 --> divide by 8 * cko1_sel = 1011 --> ahb_clk_root * * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz */ writel(0x000000FB, &ccm->ccosr); } 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) { int minc, maxc; switch (get_cpu_temp_grade(&minc, &maxc)) { case TEMP_COMMERCIAL: case TEMP_EXTCOMMERCIAL: if (is_cpu_type(MXC_CPU_MX6DL)) { puts("Commercial temperature grade DDR3 timings, 64bit bus width.\n"); ddr_init(mx6dl_dcd_table, ARRAY_SIZE(mx6dl_dcd_table)); } else { puts("Commercial temperature grade DDR3 timings, 32bit bus width.\n"); ddr_init(mx6s_dcd_table, ARRAY_SIZE(mx6s_dcd_table)); } break; case TEMP_INDUSTRIAL: case TEMP_AUTOMOTIVE: default: if (is_cpu_type(MXC_CPU_MX6DL)) { ddr_init(mx6dl_dcd_table, ARRAY_SIZE(mx6dl_dcd_table)); } else { puts("Industrial temperature grade DDR3 timings, 32bit bus width.\n"); ddr_init(mx6s_dcd_table, ARRAY_SIZE(mx6s_dcd_table)); } break; }; udelay(100); } void board_init_f(ulong dummy) { /* 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(); /* Make sure we use dte mode */ setup_dtemode_uart(); /* 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 static struct mxc_serial_platdata mxc_serial_plat = { .reg = (struct mxc_uart *)UART1_BASE, .use_dte = true, }; U_BOOT_DEVICE(mxc_serial) = { .name = "serial_mxc", .platdata = &mxc_serial_plat, };