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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * Copyright (C) 2010-2013 Freescale Semiconductor, Inc.
- * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com>
- * Copyright (C) 2014-2019, Toradex AG
- * copied from nitrogen6x
- */
- #include <common.h>
- #include <dm.h>
- #include <init.h>
- #include <ahci.h>
- #include <asm/arch/clock.h>
- #include <asm/arch/crm_regs.h>
- #include <asm/arch/imx-regs.h>
- #include <asm/arch/mx6-ddr.h>
- #include <asm/arch/mx6-pins.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/boot_mode.h>
- #include <asm/mach-imx/iomux-v3.h>
- #include <asm/mach-imx/sata.h>
- #include <asm/mach-imx/video.h>
- #include <dm/device-internal.h>
- #include <dm/platform_data/serial_mxc.h>
- #include <dwc_ahsata.h>
- #include <env.h>
- #include <fsl_esdhc_imx.h>
- #include <imx_thermal.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_40ohm | \
- PAD_CTL_SRE_FAST | PAD_CTL_HYS)
- #define USDHC_EMMC_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 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_RGB (PAD_CTL_SPEED_MED|PAD_CTL_DSE_60ohm|PAD_CTL_SRE_FAST)
- #define APALIS_IMX6_SATA_INIT_RETRIES 10
- 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),
- };
- #if defined(CONFIG_FSL_ESDHC_IMX) && defined(CONFIG_SPL_BUILD)
- /* 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_EMMC_PAD_CTRL),
- MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
- MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
- MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
- MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
- MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
- MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
- MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
- MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
- MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
- MX6_PAD_SD3_RST__GPIO7_IO08 | MUX_PAD_CTRL(WEAK_PULLUP) | MUX_MODE_SION,
- };
- #endif /* CONFIG_FSL_ESDHC_IMX & CONFIG_SPL_BUILD */
- 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) |
- MUX_MODE_SION,
- # 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_request(GPIO_ENET_PHY_RESET, "ETH_RESET#");
- 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) |
- MUX_MODE_SION,
- MX6_PAD_NANDF_D5__GPIO2_IO05 | MUX_PAD_CTRL(WEAK_PULLUP) |
- MUX_MODE_SION,
- MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(WEAK_PULLUP) |
- MUX_MODE_SION,
- MX6_PAD_NANDF_D7__GPIO2_IO07 | MUX_PAD_CTRL(WEAK_PULLUP) |
- MUX_MODE_SION,
- MX6_PAD_NANDF_RB0__GPIO6_IO10 | MUX_PAD_CTRL(WEAK_PULLUP) |
- MUX_MODE_SION,
- MX6_PAD_NANDF_WP_B__GPIO6_IO09 | MUX_PAD_CTRL(WEAK_PULLUP) |
- MUX_MODE_SION,
- MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(WEAK_PULLDOWN) |
- MUX_MODE_SION,
- MX6_PAD_GPIO_6__GPIO1_IO06 | MUX_PAD_CTRL(WEAK_PULLUP) |
- MUX_MODE_SION,
- MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(WEAK_PULLUP) |
- MUX_MODE_SION,
- };
- 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) | MUX_MODE_SION,
- # 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) | MUX_MODE_SION,
- # 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 UCR3 0x88 /* FIFO Control Register */
- #define UCR3_RI BIT(8) /* RIDELT DTE mode */
- #define UCR3_DCD BIT(9) /* DCDDELT DTE mode */
- #define UFCR 0x90 /* FIFO Control Register */
- #define UFCR_DCEDTE BIT(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);
- clrbits_le32((u32 *)(UART1_BASE + UCR3), UCR3_DCD | UCR3_RI);
- clrbits_le32((u32 *)(UART2_BASE + UCR3), UCR3_DCD | UCR3_RI);
- clrbits_le32((u32 *)(UART4_BASE + UCR3), UCR3_DCD | UCR3_RI);
- clrbits_le32((u32 *)(UART5_BASE + UCR3), UCR3_DCD | UCR3_RI);
- }
- 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;
- }
- #endif
- #if defined(CONFIG_FSL_ESDHC_IMX) && defined(CONFIG_SPL_BUILD)
- /* use the following sequence: eMMC, MMC1, SD1 */
- 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_request(GPIO_MMC_CD, "MMC_CD");
- gpio_direction_input(GPIO_MMC_CD);
- ret = !gpio_get_value(GPIO_MMC_CD);
- break;
- case USDHC2_BASE_ADDR:
- gpio_request(GPIO_MMC_CD, "SD_CD");
- gpio_direction_input(GPIO_SD_CD);
- ret = !gpio_get_value(GPIO_SD_CD);
- break;
- }
- return ret;
- }
- int board_mmc_init(bd_t *bis)
- {
- struct src *psrc = (struct src *)SRC_BASE_ADDR;
- unsigned reg = readl(&psrc->sbmr1) >> 11;
- /*
- * Upon reading BOOT_CFG register the following map is done:
- * Bit 11 and 12 of BOOT_CFG register can determine the current
- * mmc port
- * 0x1 SD1
- * 0x2 SD2
- * 0x3 SD4
- */
- switch (reg & 0x3) {
- case 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 /* CONFIG_FSL_ESDHC_IMX & CONFIG_SPL_BUILD */
- 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 /* CONFIG_FEC_MXC */
- 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) |
- MUX_MODE_SION,
- #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) |
- MUX_MODE_SION,
- #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) | MUX_MODE_SION,
- #define RGB_BACKLIGHTPWM_OE IMX_GPIO_NR(5, 2)
- /* PSAVE# integrated VDAC */
- MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL) |
- MUX_MODE_SION,
- #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 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,
- .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_request(RGB_BACKLIGHTPWM_GP, "BKL1_PWM");
- gpio_request(RGB_BACKLIGHTPWM_OE, "BKL1_PWM_EN");
- gpio_request(RGB_BACKLIGHT_GP, "BKL1_ON");
- gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
- gpio_direction_output(RGB_BACKLIGHTPWM_OE, 0);
- gpio_direction_output(RGB_BACKLIGHT_GP, 1);
- }
- /*
- * Backlight off before OS handover
- */
- void board_preboot_os(void)
- {
- gpio_direction_output(RGB_BACKLIGHTPWM_GP, 1);
- gpio_direction_output(RGB_BACKLIGHT_GP, 0);
- }
- #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
- 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;
- #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);
- #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 = env_get("fdt_file");
- if ((fdt_env != NULL) && (strcmp(FDT_FILE, fdt_env) == 0)) {
- env_set("fdt_file", FDT_FILE_V1_0);
- printf("patching fdt_file to " FDT_FILE_V1_0 "\n");
- #ifndef CONFIG_ENV_IS_NOWHERE
- env_save();
- #endif
- }
- }
- #endif /* CONFIG_TDX_APALIS_IMX6_V1_0 */
- #endif /* CONFIG_REVISION_TAG */
- #ifdef CONFIG_CMD_USB_SDP
- if (is_boot_from_usb()) {
- printf("Serial Downloader recovery mode, using sdp command\n");
- env_set("bootdelay", "0");
- env_set("bootcmd", "sdp 0");
- }
- #endif /* CONFIG_CMD_USB_SDP */
- return 0;
- }
- #endif /* CONFIG_BOARD_LATE_INIT */
- 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 <linux/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 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 */
- 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);
- }
- #ifdef CONFIG_SPL_LOAD_FIT
- int board_fit_config_name_match(const char *name)
- {
- if (!strcmp(name, "imx6-apalis"))
- return 0;
- return -1;
- }
- #endif
- void reset_cpu(ulong addr)
- {
- }
- #endif /* CONFIG_SPL_BUILD */
- 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,
- };
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