| /* |
| * Copyright (C) 2010-2013 Freescale Semiconductor, Inc. |
| * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com> |
| * Copyright (C) 2014-2016, Toradex AG |
| * copied from nitrogen6x |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <dm.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/crm_regs.h> |
| #include <asm/arch/mxc_hdmi.h> |
| #include <asm/arch/imx-regs.h> |
| #include <asm/arch/iomux.h> |
| #include <asm/arch/sys_proto.h> |
| #include <asm/arch/mx6-pins.h> |
| #include <asm/arch/mx6-ddr.h> |
| #include <asm/bootm.h> |
| #include <asm/gpio.h> |
| #include <asm/io.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 <dm/platform_data/serial_mxc.h> |
| #include <dm/platdata.h> |
| #include <fsl_esdhc.h> |
| #include <i2c.h> |
| #include <imx_thermal.h> |
| #include <linux/errno.h> |
| #include <malloc.h> |
| #include <mmc.h> |
| #include <micrel.h> |
| #include <miiphy.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 TRISTATE (PAD_CTL_HYS | PAD_CTL_SPEED_MED) |
| |
| #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; |
| } |
| |
| /* 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) |
| { |
| /* 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; |
| } |
| |
| /* mux the Apalis GPIO pins, so they can be used from the U-Boot cmdline */ |
| iomux_v3_cfg_t const gpio_pads[] = { |
| /* Apalis GPIO1 - GPIO8 */ |
| MX6_PAD_NANDF_D4__GPIO2_IO04 | MUX_PAD_CTRL(WEAK_PULLUP), |
| MX6_PAD_NANDF_D5__GPIO2_IO05 | MUX_PAD_CTRL(WEAK_PULLUP), |
| MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(WEAK_PULLUP), |
| MX6_PAD_NANDF_D7__GPIO2_IO07 | MUX_PAD_CTRL(WEAK_PULLUP), |
| MX6_PAD_NANDF_RB0__GPIO6_IO10 | MUX_PAD_CTRL(WEAK_PULLUP), |
| MX6_PAD_NANDF_WP_B__GPIO6_IO09 | MUX_PAD_CTRL(WEAK_PULLUP), |
| MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(WEAK_PULLDOWN), |
| MX6_PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(WEAK_PULLUP), |
| MX6_PAD_GPIO_4__GPIO1_IO04 | 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[] = { |
| /* 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) |
| }; |
| |
| /* |
| * 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) |
| { |
| #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[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; |
| #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 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; |
| 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) |
| { |
| 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; |
| } |
| |
| 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 RGB connector: J15 */ |
| MX6_PAD_EIM_DA13__GPIO3_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL), |
| #define RGB_BACKLIGHT_GP IMX_GPIO_NR(3, 13) |
| /* additional CPU pin on BKL_PWM, keep in tristate */ |
| MX6_PAD_EIM_DA14__GPIO3_IO14 | MUX_PAD_CTRL(TRISTATE), |
| /* Backlight PWM, used as GPIO in U-Boot */ |
| 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 rgb_pads[] = { |
| MX6_PAD_EIM_A16__IPU1_DI1_DISP_CLK | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_DA10__IPU1_DI1_PIN15 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_DA11__IPU1_DI1_PIN02 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_DA12__IPU1_DI1_PIN03 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_DA9__IPU1_DISP1_DATA00 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_DA8__IPU1_DISP1_DATA01 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_DA7__IPU1_DISP1_DATA02 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_DA6__IPU1_DISP1_DATA03 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_DA5__IPU1_DISP1_DATA04 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_DA4__IPU1_DISP1_DATA05 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_DA3__IPU1_DISP1_DATA06 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_DA2__IPU1_DISP1_DATA07 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_DA1__IPU1_DISP1_DATA08 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_DA0__IPU1_DISP1_DATA09 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_EB1__IPU1_DISP1_DATA10 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_EB0__IPU1_DISP1_DATA11 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_A17__IPU1_DISP1_DATA12 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_A18__IPU1_DISP1_DATA13 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_A19__IPU1_DISP1_DATA14 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_A20__IPU1_DISP1_DATA15 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_A21__IPU1_DISP1_DATA16 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_A22__IPU1_DISP1_DATA17 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_A23__IPU1_DISP1_DATA18 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_A24__IPU1_DISP1_DATA19 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_D26__IPU1_DISP1_DATA22 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_D27__IPU1_DISP1_DATA23 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_D30__IPU1_DISP1_DATA21 | MUX_PAD_CTRL(OUTPUT_RGB), |
| MX6_PAD_EIM_D31__IPU1_DISP1_DATA20 | MUX_PAD_CTRL(OUTPUT_RGB), |
| }; |
| |
| 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 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, |
| .di = 1, |
| .pixfmt = IPU_PIX_FMT_RGB24, |
| .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, |
| .di = 1, |
| .pixfmt = IPU_PIX_FMT_RGB24, |
| .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 |
| } }, { |
| .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 |
| } } }; |
| 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_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_TDX_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); |
| |
| #ifdef CONFIG_TDX_CMD_IMX_MFGR |
| (void) pmic_init(); |
| #endif |
| |
| #ifdef CONFIG_CMD_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); |
| setenv("board_rev", env_str); |
| |
| #ifndef CONFIG_TDX_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 /* CONFIG_TDX_APALIS_IMX6_V1_0 */ |
| #endif /* CONFIG_REVISION_TAG */ |
| |
| 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 Apalis iMX6 %s %s%s\n", |
| is_cpu_type(MXC_CPU_MX6D) ? "Dual" : "Quad", |
| (gd->ram_size == 0x80000000) ? "2GB" : |
| (gd->ram_size == 0x40000000) ? "1GB" : "512MB", 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[] = { |
| /* 4-bit bus width */ |
| {"mmc", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)}, |
| {"sd", 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; |
| } |
| |
| #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 <libfdt.h> |
| #include "asm/arch/mx6q-ddr.h" |
| #include "asm/arch/iomux.h" |
| #include "asm/arch/crm_regs.h" |
| |
| static int mx6_com_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) |
| */ |
| MX6_MMDC_P0_MDMISC, 0x00081740, |
| |
| /* |
| * MDSCR con_req |
| */ |
| MX6_MMDC_P0_MDSCR, 0x00008000, |
| |
| /* 1066mhz_4x128mx16.cfg */ |
| |
| MX6_MMDC_P0_MDPDC, 0x00020036, |
| MX6_MMDC_P0_MDCFG0, 0x555A7954, |
| MX6_MMDC_P0_MDCFG1, 0xDB328F64, |
| MX6_MMDC_P0_MDCFG2, 0x01FF00DB, |
| MX6_MMDC_P0_MDRWD, 0x000026D2, |
| MX6_MMDC_P0_MDOR, 0x005A1023, |
| MX6_MMDC_P0_MDOTC, 0x09555050, |
| MX6_MMDC_P0_MDPDC, 0x00025576, |
| MX6_MMDC_P0_MDASP, 0x00000027, |
| MX6_MMDC_P0_MDCTL, 0x831A0000, |
| MX6_MMDC_P0_MDSCR, 0x04088032, |
| MX6_MMDC_P0_MDSCR, 0x00008033, |
| MX6_MMDC_P0_MDSCR, 0x00428031, |
| MX6_MMDC_P0_MDSCR, 0x19308030, |
| 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, 0x432A0338, |
| MX6_MMDC_P0_MPDGCTRL1, 0x03260324, |
| MX6_MMDC_P1_MPDGCTRL0, 0x43340344, |
| MX6_MMDC_P1_MPDGCTRL1, 0x031E027C, |
| |
| MX6_MMDC_P0_MPRDDLCTL, 0x33272D2E, |
| MX6_MMDC_P1_MPRDDLCTL, 0x2F312B37, |
| |
| MX6_MMDC_P0_MPWRDLCTL, 0x3A35433C, |
| MX6_MMDC_P1_MPWRDLCTL, 0x4336453F, |
| |
| MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E, |
| MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B, |
| MX6_MMDC_P1_MPWLDECTRL0, 0x00060015, |
| MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E, |
| |
| MX6_MMDC_P0_MPMUR0, 0x00000800, |
| MX6_MMDC_P1_MPMUR0, 0x00000800, |
| MX6_MMDC_P0_MDSCR, 0x00000000, |
| MX6_MMDC_P0_MAPSR, 0x00011006, |
| }; |
| |
| static int mx6_it_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) |
| */ |
| MX6_MMDC_P0_MDMISC, 0x00081740, |
| |
| /* |
| * MDSCR con_req |
| */ |
| MX6_MMDC_P0_MDSCR, 0x00008000, |
| |
| /* 1066mhz_4x256mx16.cfg */ |
| |
| MX6_MMDC_P0_MDPDC, 0x00020036, |
| MX6_MMDC_P0_MDCFG0, 0x898E78f5, |
| MX6_MMDC_P0_MDCFG1, 0xff328f64, |
| MX6_MMDC_P0_MDCFG2, 0x01FF00DB, |
| MX6_MMDC_P0_MDRWD, 0x000026D2, |
| MX6_MMDC_P0_MDOR, 0x008E1023, |
| MX6_MMDC_P0_MDOTC, 0x09444040, |
| MX6_MMDC_P0_MDPDC, 0x00025576, |
| MX6_MMDC_P0_MDASP, 0x00000047, |
| MX6_MMDC_P0_MDCTL, 0x841A0000, |
| MX6_MMDC_P0_MDSCR, 0x02888032, |
| MX6_MMDC_P0_MDSCR, 0x00008033, |
| MX6_MMDC_P0_MDSCR, 0x00048031, |
| MX6_MMDC_P0_MDSCR, 0x19408030, |
| MX6_MMDC_P0_MDSCR, 0x04008040, |
| MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003, |
| MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003, |
| MX6_MMDC_P0_MDREF, 0x00007800, |
| MX6_MMDC_P0_MPODTCTRL, 0x00022227, |
| MX6_MMDC_P1_MPODTCTRL, 0x00022227, |
| |
| MX6_MMDC_P0_MPDGCTRL0, 0x03300338, |
| MX6_MMDC_P0_MPDGCTRL1, 0x03240324, |
| MX6_MMDC_P1_MPDGCTRL0, 0x03440350, |
| MX6_MMDC_P1_MPDGCTRL1, 0x032C0308, |
| |
| MX6_MMDC_P0_MPRDDLCTL, 0x40363C3E, |
| MX6_MMDC_P1_MPRDDLCTL, 0x3C3E3C46, |
| |
| MX6_MMDC_P0_MPWRDLCTL, 0x403E463E, |
| MX6_MMDC_P1_MPWRDLCTL, 0x4A384C46, |
| |
| MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E, |
| MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B, |
| MX6_MMDC_P1_MPWLDECTRL0, 0x00060015, |
| MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E, |
| |
| 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 gpr_init(void) |
| { |
| struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; |
| |
| /* enable AXI cache for VDOA/VPU/IPU */ |
| writel(0xF00000CF, &iomux->gpr[4]); |
| /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */ |
| writel(0x007F007F, &iomux->gpr[6]); |
| writel(0x007F007F, &iomux->gpr[7]); |
| } |
| |
| 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: |
| puts("Commercial temperature grade DDR3 timings.\n"); |
| ddr_init(mx6_com_dcd_table, ARRAY_SIZE(mx6_com_dcd_table)); |
| break; |
| case TEMP_INDUSTRIAL: |
| case TEMP_AUTOMOTIVE: |
| default: |
| puts("Industrial temperature grade DDR3 timings.\n"); |
| ddr_init(mx6_it_dcd_table, ARRAY_SIZE(mx6_it_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(); |
| |
| #ifndef CONFIG_TDX_APALIS_IMX6_V1_0 |
| /* Make sure we use dte mode */ |
| setup_dtemode_uart(); |
| #endif |
| |
| /* 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, |
| }; |