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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>
- */
- #include <common.h>
- #include <command.h>
- #include <env.h>
- #include <init.h>
- #include <net.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 <linux/delay.h>
- #include <linux/errno.h>
- #include <asm/gpio.h>
- #include <asm/mach-imx/iomux-v3.h>
- #include <asm/mach-imx/mxc_i2c.h>
- #include <asm/mach-imx/sata.h>
- #include <asm/mach-imx/spi.h>
- #include <asm/mach-imx/boot_mode.h>
- #include <asm/mach-imx/video.h>
- #include <fsl_esdhc_imx.h>
- #include <micrel.h>
- #include <miiphy.h>
- #include <netdev.h>
- #include <asm/arch/crm_regs.h>
- #include <asm/arch/mxc_hdmi.h>
- #include <i2c.h>
- #include <input.h>
- #include <netdev.h>
- #include <usb/ehci-ci.h>
- DECLARE_GLOBAL_DATA_PTR;
- #define GP_USB_OTG_PWR IMX_GPIO_NR(3, 22)
- #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 RGB_PAD_CTRL PAD_CTL_DSE_120ohm
- #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 OUTPUT_40OHM (PAD_CTL_SPEED_MED|PAD_CTL_DSE_40ohm)
- /* Prevent compiler error if gpio number 08 or 09 is used */
- #define not_octal(gp) ((((0x##gp >> 4) & 0xf) * 10) + ((0x##gp & 0xf)))
- #define _I2C_PADS_INFO_CPU(cpu, i2cnum, scl_pad, scl_bank, scl_gp, \
- sda_pad, sda_bank, sda_gp, pad_ctrl, join_io) { \
- .scl = { \
- .i2c_mode = NEW_PAD_CTRL(cpu##_PAD_##scl_pad##__##i2cnum##_SCL,\
- pad_ctrl), \
- .gpio_mode = NEW_PAD_CTRL( \
- cpu##_PAD_##scl_pad##__GPIO##scl_bank##join_io##scl_gp,\
- pad_ctrl), \
- .gp = IMX_GPIO_NR(scl_bank, not_octal(scl_gp)) \
- }, \
- .sda = { \
- .i2c_mode = NEW_PAD_CTRL(cpu##_PAD_##sda_pad##__##i2cnum##_SDA,\
- pad_ctrl), \
- .gpio_mode = NEW_PAD_CTRL( \
- cpu##_PAD_##sda_pad##__GPIO##sda_bank##join_io##sda_gp,\
- pad_ctrl), \
- .gp = IMX_GPIO_NR(sda_bank, not_octal(sda_gp)) \
- } \
- }
- #define I2C_PADS_INFO_CPU(cpu, i2cnum, scl_pad, scl_bank, scl_gp, \
- sda_pad, sda_bank, sda_gp, pad_ctrl) \
- _I2C_PADS_INFO_CPU(cpu, i2cnum, scl_pad, scl_bank, scl_gp, \
- sda_pad, sda_bank, sda_gp, pad_ctrl, _IO)
- #if defined(CONFIG_MX6QDL)
- #define I2C_PADS_INFO_ENTRY(i2cnum, scl_pad, scl_bank, scl_gp, \
- sda_pad, sda_bank, sda_gp, pad_ctrl) \
- I2C_PADS_INFO_CPU(MX6Q, i2cnum, scl_pad, scl_bank, scl_gp, \
- sda_pad, sda_bank, sda_gp, pad_ctrl), \
- I2C_PADS_INFO_CPU(MX6DL, i2cnum, scl_pad, scl_bank, scl_gp, \
- sda_pad, sda_bank, sda_gp, pad_ctrl)
- #define I2C_PADS_INFO_ENTRY_SPACING 2
- #define IOMUX_PAD_CTRL(name, pad_ctrl) \
- NEW_PAD_CTRL(MX6Q_PAD_##name, pad_ctrl), \
- NEW_PAD_CTRL(MX6DL_PAD_##name, pad_ctrl)
- #else
- #define I2C_PADS_INFO_ENTRY(i2cnum, scl_pad, scl_bank, scl_gp, \
- sda_pad, sda_bank, sda_gp, pad_ctrl) \
- I2C_PADS_INFO_CPU(MX6, i2cnum, scl_pad, scl_bank, scl_gp, \
- sda_pad, sda_bank, sda_gp, pad_ctrl)
- #define I2C_PADS_INFO_ENTRY_SPACING 1
- #define IOMUX_PAD_CTRL(name, pad_ctrl) NEW_PAD_CTRL(MX6_PAD_##name, pad_ctrl)
- #endif
- int dram_init(void)
- {
- gd->ram_size = ((ulong)CONFIG_DDR_MB * 1024 * 1024);
- return 0;
- }
- static iomux_v3_cfg_t const uart1_pads[] = {
- IOMUX_PAD_CTRL(SD3_DAT6__UART1_RX_DATA, UART_PAD_CTRL),
- IOMUX_PAD_CTRL(SD3_DAT7__UART1_TX_DATA, UART_PAD_CTRL),
- };
- static iomux_v3_cfg_t const uart2_pads[] = {
- IOMUX_PAD_CTRL(EIM_D26__UART2_TX_DATA, UART_PAD_CTRL),
- IOMUX_PAD_CTRL(EIM_D27__UART2_RX_DATA, UART_PAD_CTRL),
- };
- static struct i2c_pads_info i2c_pads[] = {
- /* I2C1, SGTL5000 */
- I2C_PADS_INFO_ENTRY(I2C1, EIM_D21, 3, 21, EIM_D28, 3, 28, I2C_PAD_CTRL),
- /* I2C2 Camera, MIPI */
- I2C_PADS_INFO_ENTRY(I2C2, KEY_COL3, 4, 12, KEY_ROW3, 4, 13,
- I2C_PAD_CTRL),
- /* I2C3, J15 - RGB connector */
- I2C_PADS_INFO_ENTRY(I2C3, GPIO_5, 1, 05, GPIO_16, 7, 11, I2C_PAD_CTRL),
- };
- #define I2C_BUS_CNT 3
- static iomux_v3_cfg_t const usdhc2_pads[] = {
- IOMUX_PAD_CTRL(SD2_CLK__SD2_CLK, USDHC_PAD_CTRL),
- IOMUX_PAD_CTRL(SD2_CMD__SD2_CMD, USDHC_PAD_CTRL),
- IOMUX_PAD_CTRL(SD2_DAT0__SD2_DATA0, USDHC_PAD_CTRL),
- IOMUX_PAD_CTRL(SD2_DAT1__SD2_DATA1, USDHC_PAD_CTRL),
- IOMUX_PAD_CTRL(SD2_DAT2__SD2_DATA2, USDHC_PAD_CTRL),
- IOMUX_PAD_CTRL(SD2_DAT3__SD2_DATA3, USDHC_PAD_CTRL),
- };
- static iomux_v3_cfg_t const enet_pads1[] = {
- IOMUX_PAD_CTRL(ENET_MDIO__ENET_MDIO, ENET_PAD_CTRL),
- IOMUX_PAD_CTRL(ENET_MDC__ENET_MDC, ENET_PAD_CTRL),
- IOMUX_PAD_CTRL(RGMII_TXC__RGMII_TXC, ENET_PAD_CTRL),
- IOMUX_PAD_CTRL(RGMII_TD0__RGMII_TD0, ENET_PAD_CTRL),
- IOMUX_PAD_CTRL(RGMII_TD1__RGMII_TD1, ENET_PAD_CTRL),
- IOMUX_PAD_CTRL(RGMII_TD2__RGMII_TD2, ENET_PAD_CTRL),
- IOMUX_PAD_CTRL(RGMII_TD3__RGMII_TD3, ENET_PAD_CTRL),
- IOMUX_PAD_CTRL(RGMII_TX_CTL__RGMII_TX_CTL, ENET_PAD_CTRL),
- IOMUX_PAD_CTRL(ENET_REF_CLK__ENET_TX_CLK, ENET_PAD_CTRL),
- /* pin 35 - 1 (PHY_AD2) on reset */
- IOMUX_PAD_CTRL(RGMII_RXC__GPIO6_IO30, NO_PAD_CTRL),
- /* pin 32 - 1 - (MODE0) all */
- IOMUX_PAD_CTRL(RGMII_RD0__GPIO6_IO25, NO_PAD_CTRL),
- /* pin 31 - 1 - (MODE1) all */
- IOMUX_PAD_CTRL(RGMII_RD1__GPIO6_IO27, NO_PAD_CTRL),
- /* pin 28 - 1 - (MODE2) all */
- IOMUX_PAD_CTRL(RGMII_RD2__GPIO6_IO28, NO_PAD_CTRL),
- /* pin 27 - 1 - (MODE3) all */
- IOMUX_PAD_CTRL(RGMII_RD3__GPIO6_IO29, NO_PAD_CTRL),
- /* pin 33 - 1 - (CLK125_EN) 125Mhz clockout enabled */
- IOMUX_PAD_CTRL(RGMII_RX_CTL__GPIO6_IO24, NO_PAD_CTRL),
- /* pin 42 PHY nRST */
- IOMUX_PAD_CTRL(EIM_D23__GPIO3_IO23, NO_PAD_CTRL),
- IOMUX_PAD_CTRL(ENET_RXD0__GPIO1_IO27, NO_PAD_CTRL),
- };
- static iomux_v3_cfg_t const enet_pads2[] = {
- IOMUX_PAD_CTRL(RGMII_RXC__RGMII_RXC, ENET_PAD_CTRL),
- IOMUX_PAD_CTRL(RGMII_RD0__RGMII_RD0, ENET_PAD_CTRL),
- IOMUX_PAD_CTRL(RGMII_RD1__RGMII_RD1, ENET_PAD_CTRL),
- IOMUX_PAD_CTRL(RGMII_RD2__RGMII_RD2, ENET_PAD_CTRL),
- IOMUX_PAD_CTRL(RGMII_RD3__RGMII_RD3, ENET_PAD_CTRL),
- IOMUX_PAD_CTRL(RGMII_RX_CTL__RGMII_RX_CTL, ENET_PAD_CTRL),
- };
- static iomux_v3_cfg_t const misc_pads[] = {
- IOMUX_PAD_CTRL(GPIO_1__USB_OTG_ID, WEAK_PULLUP),
- IOMUX_PAD_CTRL(KEY_COL4__USB_OTG_OC, WEAK_PULLUP),
- IOMUX_PAD_CTRL(EIM_D30__USB_H1_OC, WEAK_PULLUP),
- /* OTG Power enable */
- IOMUX_PAD_CTRL(EIM_D22__GPIO3_IO22, OUTPUT_40OHM),
- };
- /* wl1271 pads on nitrogen6x */
- static iomux_v3_cfg_t const wl12xx_pads[] = {
- IOMUX_PAD_CTRL(NANDF_CS1__GPIO6_IO14, WEAK_PULLDOWN),
- IOMUX_PAD_CTRL(NANDF_CS2__GPIO6_IO15, OUTPUT_40OHM),
- IOMUX_PAD_CTRL(NANDF_CS3__GPIO6_IO16, OUTPUT_40OHM),
- };
- #define WL12XX_WL_IRQ_GP IMX_GPIO_NR(6, 14)
- #define WL12XX_WL_ENABLE_GP IMX_GPIO_NR(6, 15)
- #define WL12XX_BT_ENABLE_GP IMX_GPIO_NR(6, 16)
- /* Button assignments for J14 */
- static iomux_v3_cfg_t const button_pads[] = {
- /* Menu */
- IOMUX_PAD_CTRL(NANDF_D1__GPIO2_IO01, BUTTON_PAD_CTRL),
- /* Back */
- IOMUX_PAD_CTRL(NANDF_D2__GPIO2_IO02, BUTTON_PAD_CTRL),
- /* Labelled Search (mapped to Power under Android) */
- IOMUX_PAD_CTRL(NANDF_D3__GPIO2_IO03, BUTTON_PAD_CTRL),
- /* Home */
- IOMUX_PAD_CTRL(NANDF_D4__GPIO2_IO04, BUTTON_PAD_CTRL),
- /* Volume Down */
- IOMUX_PAD_CTRL(GPIO_19__GPIO4_IO05, BUTTON_PAD_CTRL),
- /* Volume Up */
- IOMUX_PAD_CTRL(GPIO_18__GPIO7_IO13, BUTTON_PAD_CTRL),
- };
- static void setup_iomux_enet(void)
- {
- gpio_direction_output(IMX_GPIO_NR(3, 23), 0); /* SABRE Lite PHY rst */
- gpio_direction_output(IMX_GPIO_NR(1, 27), 0); /* Nitrogen6X PHY rst */
- gpio_direction_output(IMX_GPIO_NR(6, 30), 1);
- gpio_direction_output(IMX_GPIO_NR(6, 25), 1);
- gpio_direction_output(IMX_GPIO_NR(6, 27), 1);
- gpio_direction_output(IMX_GPIO_NR(6, 28), 1);
- gpio_direction_output(IMX_GPIO_NR(6, 29), 1);
- SETUP_IOMUX_PADS(enet_pads1);
- gpio_direction_output(IMX_GPIO_NR(6, 24), 1);
- /* Need delay 10ms according to KSZ9021 spec */
- udelay(1000 * 10);
- gpio_set_value(IMX_GPIO_NR(3, 23), 1); /* SABRE Lite PHY reset */
- gpio_set_value(IMX_GPIO_NR(1, 27), 1); /* Nitrogen6X PHY reset */
- SETUP_IOMUX_PADS(enet_pads2);
- udelay(100); /* Wait 100 us before using mii interface */
- }
- static iomux_v3_cfg_t const usb_pads[] = {
- IOMUX_PAD_CTRL(GPIO_17__GPIO7_IO12, NO_PAD_CTRL),
- };
- static void setup_iomux_uart(void)
- {
- SETUP_IOMUX_PADS(uart1_pads);
- SETUP_IOMUX_PADS(uart2_pads);
- }
- #ifdef CONFIG_USB_EHCI_MX6
- int board_ehci_hcd_init(int port)
- {
- SETUP_IOMUX_PADS(usb_pads);
- /* Reset USB hub */
- gpio_direction_output(IMX_GPIO_NR(7, 12), 0);
- mdelay(2);
- gpio_set_value(IMX_GPIO_NR(7, 12), 1);
- return 0;
- }
- int board_ehci_power(int port, int on)
- {
- if (port)
- return 0;
- gpio_set_value(GP_USB_OTG_PWR, on);
- return 0;
- }
- #endif
- #ifdef CONFIG_MXC_SPI
- int board_spi_cs_gpio(unsigned bus, unsigned cs)
- {
- return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(3, 19)) : -1;
- }
- static iomux_v3_cfg_t const ecspi1_pads[] = {
- /* SS1 */
- IOMUX_PAD_CTRL(EIM_D19__GPIO3_IO19, NO_PAD_CTRL),
- IOMUX_PAD_CTRL(EIM_D17__ECSPI1_MISO, SPI_PAD_CTRL),
- IOMUX_PAD_CTRL(EIM_D18__ECSPI1_MOSI, SPI_PAD_CTRL),
- IOMUX_PAD_CTRL(EIM_D16__ECSPI1_SCLK, SPI_PAD_CTRL),
- };
- static void setup_spi(void)
- {
- SETUP_IOMUX_PADS(ecspi1_pads);
- }
- #endif
- int board_phy_config(struct phy_device *phydev)
- {
- /* min rx data delay */
- ksz9021_phy_extended_write(phydev,
- MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW, 0x0);
- /* min tx data delay */
- ksz9021_phy_extended_write(phydev,
- MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW, 0x0);
- /* max rx/tx clock delay, min rx/tx control */
- ksz9021_phy_extended_write(phydev,
- MII_KSZ9021_EXT_RGMII_CLOCK_SKEW, 0xf0f0);
- if (phydev->drv->config)
- phydev->drv->config(phydev);
- return 0;
- }
- int board_eth_init(struct bd_info *bis)
- {
- uint32_t base = IMX_FEC_BASE;
- struct mii_dev *bus = NULL;
- struct phy_device *phydev = NULL;
- int ret;
- gpio_request(WL12XX_WL_IRQ_GP, "wifi_irq");
- gpio_request(IMX_GPIO_NR(6, 30), "rgmii_rxc");
- gpio_request(IMX_GPIO_NR(6, 25), "rgmii_rd0");
- gpio_request(IMX_GPIO_NR(6, 27), "rgmii_rd1");
- gpio_request(IMX_GPIO_NR(6, 28), "rgmii_rd2");
- gpio_request(IMX_GPIO_NR(6, 29), "rgmii_rd3");
- gpio_request(IMX_GPIO_NR(6, 24), "rgmii_rx_ctl");
- gpio_request(IMX_GPIO_NR(3, 23), "rgmii_reset_sabrelite");
- gpio_request(IMX_GPIO_NR(1, 27), "rgmii_reset_nitrogen6x");
- setup_iomux_enet();
- #ifdef CONFIG_FEC_MXC
- bus = fec_get_miibus(base, -1);
- if (!bus)
- return -EINVAL;
- /* scan phy 4,5,6,7 */
- phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII);
- if (!phydev) {
- ret = -EINVAL;
- goto free_bus;
- }
- printf("using phy at %d\n", phydev->addr);
- ret = fec_probe(bis, -1, base, bus, phydev);
- if (ret)
- goto free_phydev;
- #endif
- #ifdef CONFIG_CI_UDC
- /* For otg ethernet*/
- usb_eth_initialize(bis);
- #endif
- return 0;
- free_phydev:
- free(phydev);
- free_bus:
- free(bus);
- return ret;
- }
- static void setup_buttons(void)
- {
- SETUP_IOMUX_PADS(button_pads);
- }
- #if defined(CONFIG_VIDEO_IPUV3)
- static iomux_v3_cfg_t const backlight_pads[] = {
- /* Backlight on RGB connector: J15 */
- IOMUX_PAD_CTRL(SD1_DAT3__GPIO1_IO21, NO_PAD_CTRL),
- #define RGB_BACKLIGHT_GP IMX_GPIO_NR(1, 21)
- /* Backlight on LVDS connector: J6 */
- IOMUX_PAD_CTRL(SD1_CMD__GPIO1_IO18, NO_PAD_CTRL),
- #define LVDS_BACKLIGHT_GP IMX_GPIO_NR(1, 18)
- };
- static iomux_v3_cfg_t const rgb_pads[] = {
- IOMUX_PAD_CTRL(DI0_DISP_CLK__IPU1_DI0_DISP_CLK, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DI0_PIN15__IPU1_DI0_PIN15, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DI0_PIN2__IPU1_DI0_PIN02, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DI0_PIN3__IPU1_DI0_PIN03, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DI0_PIN4__GPIO4_IO20, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT0__IPU1_DISP0_DATA00, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT1__IPU1_DISP0_DATA01, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT2__IPU1_DISP0_DATA02, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT3__IPU1_DISP0_DATA03, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT4__IPU1_DISP0_DATA04, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT5__IPU1_DISP0_DATA05, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT6__IPU1_DISP0_DATA06, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT7__IPU1_DISP0_DATA07, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT8__IPU1_DISP0_DATA08, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT9__IPU1_DISP0_DATA09, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT10__IPU1_DISP0_DATA10, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT11__IPU1_DISP0_DATA11, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT12__IPU1_DISP0_DATA12, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT13__IPU1_DISP0_DATA13, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT14__IPU1_DISP0_DATA14, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT15__IPU1_DISP0_DATA15, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT16__IPU1_DISP0_DATA16, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT17__IPU1_DISP0_DATA17, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT18__IPU1_DISP0_DATA18, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT19__IPU1_DISP0_DATA19, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT20__IPU1_DISP0_DATA20, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT21__IPU1_DISP0_DATA21, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT22__IPU1_DISP0_DATA22, RGB_PAD_CTRL),
- IOMUX_PAD_CTRL(DISP0_DAT23__IPU1_DISP0_DATA23, RGB_PAD_CTRL),
- };
- 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(LVDS_BACKLIGHT_GP, 1);
- }
- static void enable_lvds_jeida(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
- |IOMUXC_GPR2_BIT_MAPPING_CH0_JEIDA;
- writel(reg, &iomux->gpr[2]);
- gpio_direction_output(LVDS_BACKLIGHT_GP, 1);
- }
- static void enable_rgb(struct display_info_t const *dev)
- {
- SETUP_IOMUX_PADS(rgb_pads);
- gpio_direction_output(RGB_BACKLIGHT_GP, 1);
- }
- struct display_info_t const displays[] = {{
- .bus = 1,
- .addr = 0x50,
- .pixfmt = IPU_PIX_FMT_RGB24,
- .detect = detect_i2c,
- .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 = 0,
- .addr = 0,
- .pixfmt = IPU_PIX_FMT_RGB24,
- .detect = NULL,
- .enable = enable_lvds_jeida,
- .mode = {
- .name = "LDB-WXGA",
- .refresh = 60,
- .xres = 1280,
- .yres = 800,
- .pixclock = 14065,
- .left_margin = 40,
- .right_margin = 40,
- .upper_margin = 3,
- .lower_margin = 80,
- .hsync_len = 10,
- .vsync_len = 10,
- .sync = FB_SYNC_EXT,
- .vmode = FB_VMODE_NONINTERLACED
- } }, {
- .bus = 0,
- .addr = 0,
- .pixfmt = IPU_PIX_FMT_RGB24,
- .detect = NULL,
- .enable = enable_lvds,
- .mode = {
- .name = "LDB-WXGA-S",
- .refresh = 60,
- .xres = 1280,
- .yres = 800,
- .pixclock = 14065,
- .left_margin = 40,
- .right_margin = 40,
- .upper_margin = 3,
- .lower_margin = 80,
- .hsync_len = 10,
- .vsync_len = 10,
- .sync = FB_SYNC_EXT,
- .vmode = FB_VMODE_NONINTERLACED
- } }, {
- .bus = 2,
- .addr = 0x4,
- .pixfmt = IPU_PIX_FMT_LVDS666,
- .detect = detect_i2c,
- .enable = enable_lvds,
- .mode = {
- .name = "Hannstar-XGA",
- .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 = 0,
- .addr = 0,
- .pixfmt = IPU_PIX_FMT_LVDS666,
- .detect = NULL,
- .enable = enable_lvds,
- .mode = {
- .name = "LG-9.7",
- .refresh = 60,
- .xres = 1024,
- .yres = 768,
- .pixclock = 15385, /* ~65MHz */
- .left_margin = 480,
- .right_margin = 260,
- .upper_margin = 16,
- .lower_margin = 6,
- .hsync_len = 250,
- .vsync_len = 10,
- .sync = FB_SYNC_EXT,
- .vmode = FB_VMODE_NONINTERLACED
- } }, {
- .bus = 2,
- .addr = 0x38,
- .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 = 2,
- .addr = 0x10,
- .pixfmt = IPU_PIX_FMT_RGB666,
- .detect = detect_i2c,
- .enable = enable_rgb,
- .mode = {
- .name = "fusion7",
- .refresh = 60,
- .xres = 800,
- .yres = 480,
- .pixclock = 33898,
- .left_margin = 96,
- .right_margin = 24,
- .upper_margin = 3,
- .lower_margin = 10,
- .hsync_len = 72,
- .vsync_len = 7,
- .sync = 0x40000002,
- .vmode = FB_VMODE_NONINTERLACED
- } }, {
- .bus = 0,
- .addr = 0,
- .pixfmt = IPU_PIX_FMT_RGB666,
- .detect = NULL,
- .enable = enable_rgb,
- .mode = {
- .name = "svga",
- .refresh = 60,
- .xres = 800,
- .yres = 600,
- .pixclock = 15385,
- .left_margin = 220,
- .right_margin = 40,
- .upper_margin = 21,
- .lower_margin = 7,
- .hsync_len = 60,
- .vsync_len = 10,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED
- } }, {
- .bus = 2,
- .addr = 0x41,
- .pixfmt = IPU_PIX_FMT_LVDS666,
- .detect = detect_i2c,
- .enable = enable_lvds,
- .mode = {
- .name = "amp1024x600",
- .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 = 0,
- .addr = 0,
- .pixfmt = IPU_PIX_FMT_LVDS666,
- .detect = 0,
- .enable = enable_lvds,
- .mode = {
- .name = "wvga-lvds",
- .refresh = 57,
- .xres = 800,
- .yres = 480,
- .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 = 2,
- .addr = 0x48,
- .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 = 0,
- .addr = 0,
- .pixfmt = IPU_PIX_FMT_RGB24,
- .detect = NULL,
- .enable = enable_rgb,
- .mode = {
- .name = "qvga",
- .refresh = 60,
- .xres = 320,
- .yres = 240,
- .pixclock = 37037,
- .left_margin = 38,
- .right_margin = 37,
- .upper_margin = 16,
- .lower_margin = 15,
- .hsync_len = 30,
- .vsync_len = 3,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED
- } } };
- size_t display_count = ARRAY_SIZE(displays);
- int board_cfb_skip(void)
- {
- return NULL != env_get("novideo");
- }
- 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 off until needed */
- SETUP_IOMUX_PADS(backlight_pads);
- gpio_direction_input(LVDS_BACKLIGHT_GP);
- gpio_direction_input(RGB_BACKLIGHT_GP);
- }
- #endif
- static iomux_v3_cfg_t const init_pads[] = {
- /* SGTL5000 sys_mclk */
- IOMUX_PAD_CTRL(GPIO_0__CCM_CLKO1, OUTPUT_40OHM),
- /* J5 - Camera MCLK */
- IOMUX_PAD_CTRL(GPIO_3__CCM_CLKO2, OUTPUT_40OHM),
- /* wl1271 pads on nitrogen6x */
- /* WL12XX_WL_IRQ_GP */
- IOMUX_PAD_CTRL(NANDF_CS1__GPIO6_IO14, WEAK_PULLDOWN),
- /* WL12XX_WL_ENABLE_GP */
- IOMUX_PAD_CTRL(NANDF_CS2__GPIO6_IO15, OUTPUT_40OHM),
- /* WL12XX_BT_ENABLE_GP */
- IOMUX_PAD_CTRL(NANDF_CS3__GPIO6_IO16, OUTPUT_40OHM),
- /* USB otg power */
- IOMUX_PAD_CTRL(EIM_D22__GPIO3_IO22, OUTPUT_40OHM),
- IOMUX_PAD_CTRL(NANDF_D5__GPIO2_IO05, OUTPUT_40OHM),
- IOMUX_PAD_CTRL(NANDF_WP_B__GPIO6_IO09, OUTPUT_40OHM),
- IOMUX_PAD_CTRL(GPIO_8__GPIO1_IO08, OUTPUT_40OHM),
- IOMUX_PAD_CTRL(GPIO_6__GPIO1_IO06, OUTPUT_40OHM),
- };
- #define WL12XX_WL_IRQ_GP IMX_GPIO_NR(6, 14)
- static unsigned gpios_out_low[] = {
- /* Disable wl1271 */
- IMX_GPIO_NR(6, 15), /* disable wireless */
- IMX_GPIO_NR(6, 16), /* disable bluetooth */
- IMX_GPIO_NR(3, 22), /* disable USB otg power */
- IMX_GPIO_NR(2, 5), /* ov5640 mipi camera reset */
- IMX_GPIO_NR(1, 8), /* ov5642 reset */
- };
- static unsigned gpios_out_high[] = {
- IMX_GPIO_NR(1, 6), /* ov5642 powerdown */
- IMX_GPIO_NR(6, 9), /* ov5640 mipi camera power down */
- };
- static void set_gpios(unsigned *p, int cnt, int val)
- {
- int i;
- for (i = 0; i < cnt; i++)
- gpio_direction_output(*p++, val);
- }
- int board_early_init_f(void)
- {
- setup_iomux_uart();
- set_gpios(gpios_out_high, ARRAY_SIZE(gpios_out_high), 1);
- set_gpios(gpios_out_low, ARRAY_SIZE(gpios_out_low), 0);
- gpio_direction_input(WL12XX_WL_IRQ_GP);
- SETUP_IOMUX_PADS(wl12xx_pads);
- SETUP_IOMUX_PADS(init_pads);
- setup_buttons();
- #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)
- {
- struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
- struct i2c_pads_info *p = i2c_pads;
- int i;
- int stride = 1;
- #if defined(CONFIG_MX6QDL)
- stride = 2;
- if (!is_mx6dq() && !is_mx6dqp())
- p += 1;
- #endif
- clrsetbits_le32(&iomuxc_regs->gpr[1],
- IOMUXC_GPR1_OTG_ID_MASK,
- IOMUXC_GPR1_OTG_ID_GPIO1);
- SETUP_IOMUX_PADS(misc_pads);
- /* address of boot parameters */
- gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
- #ifdef CONFIG_MXC_SPI
- setup_spi();
- #endif
- SETUP_IOMUX_PADS(usdhc2_pads);
- for (i = 0; i < I2C_BUS_CNT; i++) {
- setup_i2c(i, CONFIG_SYS_I2C_SPEED, 0x7f, p);
- p += stride;
- }
- #ifdef CONFIG_SATA
- setup_sata();
- #endif
- return 0;
- }
- int checkboard(void)
- {
- int ret = gpio_get_value(WL12XX_WL_IRQ_GP);
- if (ret < 0) {
- /* The gpios have not been probed yet. Read it myself */
- struct gpio_regs *regs = (struct gpio_regs *)GPIO6_BASE_ADDR;
- int gpio = WL12XX_WL_IRQ_GP & 0x1f;
- ret = (readl(®s->gpio_psr) >> gpio) & 0x01;
- }
- if (ret)
- puts("Board: Nitrogen6X\n");
- else
- puts("Board: SABRE Lite\n");
- return 0;
- }
- struct button_key {
- char const *name;
- unsigned gpnum;
- char ident;
- };
- static struct button_key const buttons[] = {
- {"back", IMX_GPIO_NR(2, 2), 'B'},
- {"home", IMX_GPIO_NR(2, 4), 'H'},
- {"menu", IMX_GPIO_NR(2, 1), 'M'},
- {"search", IMX_GPIO_NR(2, 3), 'S'},
- {"volup", IMX_GPIO_NR(7, 13), 'V'},
- {"voldown", IMX_GPIO_NR(4, 5), 'v'},
- };
- /*
- * generate a null-terminated string containing the buttons pressed
- * returns number of keys pressed
- */
- static int read_keys(char *buf)
- {
- int i, numpressed = 0;
- for (i = 0; i < ARRAY_SIZE(buttons); i++) {
- if (!gpio_get_value(buttons[i].gpnum))
- buf[numpressed++] = buttons[i].ident;
- }
- buf[numpressed] = '\0';
- return numpressed;
- }
- static int do_kbd(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
- {
- char envvalue[ARRAY_SIZE(buttons)+1];
- int numpressed = read_keys(envvalue);
- env_set("keybd", envvalue);
- return numpressed == 0;
- }
- U_BOOT_CMD(
- kbd, 1, 1, do_kbd,
- "Tests for keypresses, sets 'keybd' environment variable",
- "Returns 0 (true) to shell if key is pressed."
- );
- #ifdef CONFIG_PREBOOT
- static char const kbd_magic_prefix[] = "key_magic";
- static char const kbd_command_prefix[] = "key_cmd";
- static void preboot_keys(void)
- {
- int numpressed;
- char keypress[ARRAY_SIZE(buttons)+1];
- numpressed = read_keys(keypress);
- if (numpressed) {
- char *kbd_magic_keys = env_get("magic_keys");
- char *suffix;
- /*
- * loop over all magic keys
- */
- for (suffix = kbd_magic_keys; *suffix; ++suffix) {
- char *keys;
- char magic[sizeof(kbd_magic_prefix) + 1];
- sprintf(magic, "%s%c", kbd_magic_prefix, *suffix);
- keys = env_get(magic);
- if (keys) {
- if (!strcmp(keys, keypress))
- break;
- }
- }
- if (*suffix) {
- char cmd_name[sizeof(kbd_command_prefix) + 1];
- char *cmd;
- sprintf(cmd_name, "%s%c", kbd_command_prefix, *suffix);
- cmd = env_get(cmd_name);
- if (cmd) {
- env_set("preboot", cmd);
- return;
- }
- }
- }
- }
- #endif
- #ifdef CONFIG_CMD_BMODE
- static const struct boot_mode board_boot_modes[] = {
- /* 4 bit bus width */
- {"mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
- {"mmc1", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
- {NULL, 0},
- };
- #endif
- int misc_init_r(void)
- {
- gpio_request(RGB_BACKLIGHT_GP, "lvds backlight");
- gpio_request(LVDS_BACKLIGHT_GP, "lvds backlight");
- gpio_request(GP_USB_OTG_PWR, "usbotg power");
- gpio_request(IMX_GPIO_NR(7, 12), "usbh1 hub reset");
- gpio_request(IMX_GPIO_NR(2, 2), "back");
- gpio_request(IMX_GPIO_NR(2, 4), "home");
- gpio_request(IMX_GPIO_NR(2, 1), "menu");
- gpio_request(IMX_GPIO_NR(2, 3), "search");
- gpio_request(IMX_GPIO_NR(7, 13), "volup");
- gpio_request(IMX_GPIO_NR(4, 5), "voldown");
- #ifdef CONFIG_PREBOOT
- preboot_keys();
- #endif
- #ifdef CONFIG_CMD_BMODE
- add_board_boot_modes(board_boot_modes);
- #endif
- env_set_hex("reset_cause", get_imx_reset_cause());
- return 0;
- }
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