diff options
Diffstat (limited to 'board/toradex/apalis_imx6/apalis_imx6.c')
| -rw-r--r-- | board/toradex/apalis_imx6/apalis_imx6.c | 858 |
1 files changed, 858 insertions, 0 deletions
diff --git a/board/toradex/apalis_imx6/apalis_imx6.c b/board/toradex/apalis_imx6/apalis_imx6.c new file mode 100644 index 0000000000..52ab253bd0 --- /dev/null +++ b/board/toradex/apalis_imx6/apalis_imx6.c @@ -0,0 +1,858 @@ +/* + * Copyright (C) 2010-2013 Freescale Semiconductor, Inc. + * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com> + * Copyright (C) 2014-2015, Toradex AG + * copied from nitrogen6x + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/iomux.h> +#include <asm/arch/sys_proto.h> +#include <malloc.h> +#include <asm/arch/mx6-pins.h> +#include <asm/errno.h> +#include <asm/gpio.h> +#include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/mxc_i2c.h> +#include <asm/imx-common/sata.h> +#include <asm/imx-common/boot_mode.h> +#include <asm/imx-common/video.h> +#include <mmc.h> +#include <fsl_esdhc.h> +#include <micrel.h> +#include <miiphy.h> +#include <netdev.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/mxc_hdmi.h> +#include <g_dnl.h> +#include <i2c.h> + +#include "../common/configblock.h" +#include "pf0100.h" + +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 WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \ + PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \ + PAD_CTL_HYS | PAD_CTL_SRE_SLOW) + +#define TRISTATE (PAD_CTL_HYS | PAD_CTL_SPEED_MED) + +#define OUTPUT_40OHM (PAD_CTL_SPEED_MED|PAD_CTL_DSE_40ohm) + +u32 get_board_rev(void); + +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; +} + +/* Apalis UART1 */ +iomux_v3_cfg_t const uart1_pads_dce[] = { + 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 uart1_pads_dte[] = { + 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) +/* Apalis I2C1 */ +struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_CSI0_DAT9__I2C1_SCL | PC, + .gpio_mode = MX6_PAD_CSI0_DAT9__GPIO5_IO27 | PC, + .gp = IMX_GPIO_NR(5, 27) + }, + .sda = { + .i2c_mode = MX6_PAD_CSI0_DAT8__I2C1_SDA | PC, + .gpio_mode = MX6_PAD_CSI0_DAT8__GPIO5_IO26 | PC, + .gp = IMX_GPIO_NR(5, 26) + } +}; + +/* Apalis local, PMIC, SGTL5000, STMPE811*/ +struct i2c_pads_info i2c_pad_info_loc = { + .scl = { + .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | PC, + .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | PC, + .gp = IMX_GPIO_NR(4, 12) + }, + .sda = { + .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC, + .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | PC, + .gp = IMX_GPIO_NR(4, 13) + } +}; + +/* Apalis I2C3 / CAM */ +struct i2c_pads_info i2c_pad_info3 = { + .scl = { + .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC, + .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC, + .gp = IMX_GPIO_NR(3, 17) + }, + .sda = { + .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC, + .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC, + .gp = IMX_GPIO_NR(3, 18) + } +}; + +/* Apalis I2C2 / DDC */ +struct i2c_pads_info i2c_pad_info_ddc = { + .scl = { + .i2c_mode = MX6_PAD_EIM_EB2__HDMI_TX_DDC_SCL | PC, + .gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC, + .gp = IMX_GPIO_NR(2, 30) + }, + .sda = { + .i2c_mode = MX6_PAD_EIM_D16__HDMI_TX_DDC_SDA | PC, + .gpio_mode = MX6_PAD_EIM_D16__GPIO3_IO16 | PC, + .gp = IMX_GPIO_NR(3, 16) + } +}; + +/* Apalis MMC1 */ +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_D0__SD1_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NANDF_D1__SD1_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NANDF_D2__SD1_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_NANDF_D3__SD1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_DI0_PIN4__GPIO4_IO20 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ +# define GPIO_MMC_CD IMX_GPIO_NR(4, 20) +}; + +/* Apalis SD1 */ +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_CS1__GPIO6_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ +# define GPIO_SD_CD IMX_GPIO_NR(6, 14) +}; + +/* 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__GPIO7_IO08 | MUX_PAD_CTRL(WEAK_PULLUP), +}; + +int mx6_rgmii_rework(struct phy_device *phydev) +{ + /* + * Bug: Apparently Apalis iMX6 does not works with Gigabit switches... + * Limiting speed to 10/100Mbps, and setting master mode, seems to + * be the only way to have a successfull PHY auto negotiation. + * How to fix: Understand why Linux kernel do not have this issue. + */ + phy_write(phydev, MDIO_DEVAD_NONE, MII_CTRL1000, 0x1c00); + + /* control data pad skew - devaddr = 0x02, register = 0x04 */ + ksz9031_phy_extended_write(phydev, 0x02, + MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW, + MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); + /* rx data pad skew - devaddr = 0x02, register = 0x05 */ + ksz9031_phy_extended_write(phydev, 0x02, + MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW, + MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); + /* tx data pad skew - devaddr = 0x02, register = 0x05 */ + ksz9031_phy_extended_write(phydev, 0x02, + MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW, + MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000); + /* gtx and rx clock pad skew - devaddr = 0x02, register = 0x08 */ + ksz9031_phy_extended_write(phydev, 0x02, + MII_KSZ9031_EXT_RGMII_CLOCK_SKEW, + MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x03FF); + return 0; +} + +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), + /* KSZ9031 PHY Reset */ + MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL), +# define GPIO_ENET_PHY_RESET IMX_GPIO_NR(1, 25) +}; + +static void setup_iomux_enet(void) +{ + imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); +} + +static int reset_enet_phy (struct mii_dev *bus) +{ + /* Reset KSZ9031 PHY */ + gpio_direction_output(GPIO_ENET_PHY_RESET, 0); + mdelay(10); + gpio_set_value(GPIO_ENET_PHY_RESET, 1); + + return 0; +} + +iomux_v3_cfg_t const usb_pads[] = { + /* TODO This pin has a dedicated USB power functionality, can we use it? */ + /* USBH_EN */ + MX6_PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), +# define GPIO_USBH_EN IMX_GPIO_NR(1, 0) + /* USB_VBUS_DET */ + MX6_PAD_EIM_D28__GPIO3_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL), +# define GPIO_USB_VBUS_DET IMX_GPIO_NR(3, 28) + /* USBO1_ID */ + MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(WEAK_PULLUP), + /* USBO1_EN */ + MX6_PAD_EIM_D22__GPIO3_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL), +# define GPIO_USBO_EN IMX_GPIO_NR(3, 22) +}; + +/* if 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 *)(UART4_BASE + UFCR), UFCR_DCEDTE); + setbits_le32((u32 *)(UART5_BASE + UFCR), UFCR_DCEDTE); +} +static void setup_dcemode_uart(void) +{ + clrbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE); + clrbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE); + clrbits_le32((u32 *)(UART4_BASE + UFCR), UFCR_DCEDTE); + clrbits_le32((u32 *)(UART5_BASE + UFCR), UFCR_DCEDTE); +} + +static void setup_iomux_dte_uart(void) +{ + setup_dtemode_uart(); + imx_iomux_v3_setup_multiple_pads(uart1_pads_dte, ARRAY_SIZE(uart1_pads_dte)); +} + +static void setup_iomux_dce_uart(void) +{ + setup_dcemode_uart(); + imx_iomux_v3_setup_multiple_pads(uart1_pads_dce, ARRAY_SIZE(uart1_pads_dce)); +} + +#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 */ + gpio_direction_output(GPIO_USBO_EN, on); + mdelay(100); + break; + case 1: + /* Control MXM USBH */ + gpio_direction_output(GPIO_USBH_EN, on); + mdelay(2); + /* Control onboard USB Hub VBUS */ + gpio_direction_output(GPIO_USB_VBUS_DET, on); + mdelay(100); + break; + default: + break; + } + return 0; +} +#endif + +#ifdef CONFIG_FSL_ESDHC +/* use the following sequence: eMMC, MMC, SD */ +struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = { + {USDHC3_BASE_ADDR}, + {USDHC1_BASE_ADDR}, + {USDHC2_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; + case USDHC2_BASE_ADDR: + gpio_direction_input(GPIO_SD_CD); + ret = !gpio_get_value(GPIO_SD_CD); + break; + } + + return ret; +} + +int board_mmc_init(bd_t *bis) +{ + 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[2].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + + usdhc_cfg[0].max_bus_width = 8; + usdhc_cfg[1].max_bus_width = 8; + usdhc_cfg[2].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; + case 2: + imx_iomux_v3_setup_multiple_pads( + usdhc2_pads, ARRAY_SIZE(usdhc2_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; +} +#endif + +int board_phy_config(struct phy_device *phydev) +{ + mx6_rgmii_rework(phydev); + if (phydev->drv->config) + phydev->drv->config(phydev); + + return 0; +} + +int board_eth_init(bd_t *bis) +{ + uint32_t base = IMX_FEC_BASE; + struct mii_dev *bus = NULL; + struct phy_device *phydev = NULL; + int ret; + + setup_iomux_enet(); + +#ifdef CONFIG_FEC_MXC + bus = fec_get_miibus(base, -1); + if (!bus) + return 0; + bus->reset = reset_enet_phy; + /* scan phy 4,5,6,7 */ + phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII); + if (!phydev) { + free(bus); + puts("no phy found\n"); + return 0; + } + 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; +} + +#if defined(CONFIG_VIDEO_IPUV3) + +static iomux_v3_cfg_t const backlight_pads[] = { + /* Backlight on RGB connector: J15 */ + MX6_PAD_EIM_DA13__GPIO3_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL), +#define RGB_BACKLIGHT_GP IMX_GPIO_NR(3, 13) +/* TODO PWM not GPIO */ + /* additional CPU pin on BKL_PWM, keep in tristate */ + MX6_PAD_EIM_DA14__GPIO3_IO14 | MUX_PAD_CTRL(TRISTATE), + /* PWM4 pin */ + MX6_PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL), +#define RGB_BACKLIGHTPWM_GP IMX_GPIO_NR(2, 10) + /* buffer output enable 0: buffer enabled*/ + MX6_PAD_EIM_A25__GPIO5_IO02 | MUX_PAD_CTRL(WEAK_PULLUP), +#define RGB_BACKLIGHTPWM_OE IMX_GPIO_NR(5, 2) + /* PSAVE# integrated VDAC */ + MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL), +#define VGA_PSAVE_NOT_GP IMX_GPIO_NR(6, 31) +}; + +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) +}; + +static iomux_v3_cfg_t const rgb_pads[] = { + MX6_PAD_EIM_A16__IPU1_DI1_DISP_CLK, + MX6_PAD_EIM_DA10__IPU1_DI1_PIN15, + MX6_PAD_EIM_DA11__IPU1_DI1_PIN02, + MX6_PAD_EIM_DA12__IPU1_DI1_PIN03, + MX6_PAD_EIM_DA9__IPU1_DISP1_DATA00, + MX6_PAD_EIM_DA8__IPU1_DISP1_DATA01, + MX6_PAD_EIM_DA7__IPU1_DISP1_DATA02, + MX6_PAD_EIM_DA6__IPU1_DISP1_DATA03, + MX6_PAD_EIM_DA5__IPU1_DISP1_DATA04, + MX6_PAD_EIM_DA4__IPU1_DISP1_DATA05, + MX6_PAD_EIM_DA3__IPU1_DISP1_DATA06, + MX6_PAD_EIM_DA2__IPU1_DISP1_DATA07, + MX6_PAD_EIM_DA1__IPU1_DISP1_DATA08, + MX6_PAD_EIM_DA0__IPU1_DISP1_DATA09, + MX6_PAD_EIM_EB1__IPU1_DISP1_DATA10, + MX6_PAD_EIM_EB0__IPU1_DISP1_DATA11, + MX6_PAD_EIM_A17__IPU1_DISP1_DATA12, + MX6_PAD_EIM_A18__IPU1_DISP1_DATA13, + MX6_PAD_EIM_A19__IPU1_DISP1_DATA14, + MX6_PAD_EIM_A20__IPU1_DISP1_DATA15, + MX6_PAD_EIM_A21__IPU1_DISP1_DATA16, + MX6_PAD_EIM_A22__IPU1_DISP1_DATA17, + MX6_PAD_EIM_A23__IPU1_DISP1_DATA18, + MX6_PAD_EIM_A24__IPU1_DISP1_DATA19, + MX6_PAD_EIM_D26__IPU1_DISP1_DATA22, + MX6_PAD_EIM_D27__IPU1_DISP1_DATA23, + MX6_PAD_EIM_D30__IPU1_DISP1_DATA21, + MX6_PAD_EIM_D31__IPU1_DISP1_DATA20, +}; + +static iomux_v3_cfg_t const vga_pads[] = { +#ifdef FOR_DL_SOLO + /* Dualite/Solo doesn't have IPU2 */ + MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK, + MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15, + MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, + MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03, + MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00, + MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01, + MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02, + MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03, + MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04, + MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05, + MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06, + MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07, + MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08, + MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09, + MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10, + MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11, + MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12, + MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13, + MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14, + MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15, +#else + MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK, + MX6_PAD_DI0_PIN15__IPU2_DI0_PIN15, + MX6_PAD_DI0_PIN2__IPU2_DI0_PIN02, + MX6_PAD_DI0_PIN3__IPU2_DI0_PIN03, + MX6_PAD_DISP0_DAT0__IPU2_DISP0_DATA00, + MX6_PAD_DISP0_DAT1__IPU2_DISP0_DATA01, + MX6_PAD_DISP0_DAT2__IPU2_DISP0_DATA02, + MX6_PAD_DISP0_DAT3__IPU2_DISP0_DATA03, + MX6_PAD_DISP0_DAT4__IPU2_DISP0_DATA04, + MX6_PAD_DISP0_DAT5__IPU2_DISP0_DATA05, + MX6_PAD_DISP0_DAT6__IPU2_DISP0_DATA06, + MX6_PAD_DISP0_DAT7__IPU2_DISP0_DATA07, + MX6_PAD_DISP0_DAT8__IPU2_DISP0_DATA08, + MX6_PAD_DISP0_DAT9__IPU2_DISP0_DATA09, + MX6_PAD_DISP0_DAT10__IPU2_DISP0_DATA10, + MX6_PAD_DISP0_DAT11__IPU2_DISP0_DATA11, + MX6_PAD_DISP0_DAT12__IPU2_DISP0_DATA12, + MX6_PAD_DISP0_DAT13__IPU2_DISP0_DATA13, + MX6_PAD_DISP0_DAT14__IPU2_DISP0_DATA14, + MX6_PAD_DISP0_DAT15__IPU2_DISP0_DATA15, +#endif +}; + +static void do_enable_hdmi(struct display_info_t const *dev) +{ + imx_enable_hdmi_phy(); +} + +static int detect_i2c(struct display_info_t const *dev) +{ + return ((0 == i2c_set_bus_num(dev->bus)) + && + (0 == i2c_probe(dev->addr))); +} + +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_24BIT; + writel(reg, &iomux->gpr[2]); + gpio_direction_output(RGB_BACKLIGHT_GP, 1); + gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0); + gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0); +} + +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); + gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0); +} + +static void enable_vga(struct display_info_t const *dev) +{ + imx_iomux_v3_setup_multiple_pads( + vga_pads, + ARRAY_SIZE(vga_pads)); + gpio_direction_output(VGA_PSAVE_NOT_GP, 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_LVDS666, + .detect = detect_i2c, + .enable = enable_lvds, + .mode = { + .name = "wsvga-lvds", + .refresh = 60, + .xres = 1024, + .yres = 600, + .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_i2c, + .enable = enable_rgb, + .mode = { + .name = "wvga-rgb", + .refresh = 57, + .xres = 800, + .yres = 480, + .pixclock = 37037, + .left_margin = 40, + .right_margin = 60, + .upper_margin = 10, + .lower_margin = 10, + .hsync_len = 20, + .vsync_len = 10, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED +} }, { + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB565, + .enable = enable_vga, + .mode = { + .name = "xga-analog-rgb", + .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, +} } }; +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]); + + /* backlights 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_BACKLIGHTPWM_OE, 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)); +#ifndef CONFIG_APALIS_IMX6_V1_0 + setup_iomux_dte_uart(); +#else + setup_iomux_dce_uart(); +#endif + +#if defined(CONFIG_VIDEO_IPUV3) + setup_display(); +#endif + 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(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info_loc); + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info3); + + (void) pmic_init(); + +#ifdef CONFIG_CMD_SATA + setup_sata(); +#endif + + return 0; +} + +#ifdef CONFIG_BOARD_LATE_INIT +int board_late_init(void) +{ + char env_str[256]; + u32 rev; + +#if defined(CONFIG_REVISION_TAG) && defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG) + rev = get_board_rev(); + snprintf(env_str, ARRAY_SIZE(env_str), "%.4x", rev); + setenv("board_rev", env_str); +#endif + +#ifndef CONFIG_APALIS_IMX6_V1_0 + if((rev & 0xfff0) == 0x0100) { + char* fdt_env; + + /* reconfigure the UART to DCE mode dynamically if on V1.0 HW */ + setup_iomux_dce_uart(); + + /* if using the default device tree, use version for V1.0 HW */ + fdt_env = getenv("fdt_file"); + if((fdt_env != NULL) && (strcmp(FDT_FILE, fdt_env) == 0)) { + setenv("fdt_file", FDT_FILE_V1_0); + printf("patching fdt_file to " FDT_FILE_V1_0 "\n"); +#ifndef CONFIG_ENV_IS_NOWHERE + saveenv(); +#endif + } + } +#endif + + return 0; +} +#endif /* CONFIG_BOARD_LATE_INIT */ + +int checkboard(void) +{ +#ifdef CONFIG_TRDX_CFG_BLOCK + if (read_trdx_cfg_block()) + printf("Missing Toradex config block\n"); + else { + display_board_info(); + return 0; + } +#endif + printf("Model: Toradex Apalis iMX6 %s\n", (gd->ram_size == 0x80000000)?"2GB":(gd->ram_size == 0x40000000)?"1GB":"512MB"); + return 0; +} + +int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name) +{ + unsigned short prodnr = 0; + unsigned short usb_pid; + /* assume a maximum 64bit serial */ + char serialnr[21]; + + get_board_product_number(&prodnr); + + put_unaligned(CONFIG_TRDX_VID, &dev->idVendor); + + usb_pid = prodnr + 0x100; + put_unaligned(usb_pid, &dev->idProduct); + + get_board_serial_char(serialnr); + g_dnl_set_serialnumber(serialnr); + + return 0; +} + +#ifdef CONFIG_CMD_BMODE +static const struct boot_mode board_boot_modes[] = { + /* 4 bit bus width */ + {"mmc0", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)}, + {"mmc1", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, + {NULL, 0}, +}; +#endif + +int misc_init_r(void) +{ +#ifdef CONFIG_CMD_BMODE + add_board_boot_modes(board_boot_modes); +#endif + return 0; +} |