1 files changed, 499 insertions, 0 deletions
diff --git a/roms/u-boot/board/wandboard/wandboard.c b/roms/u-boot/board/wandboard/wandboard.c
new file mode 100644
index 000000000..da995dd0f
--- /dev/null
+++ b/roms/u-boot/board/wandboard/wandboard.c
@@ -0,0 +1,499 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2013 Freescale Semiconductor, Inc.
+ * Copyright (C) 2014 O.S. Systems Software LTDA.
+ *
+ * Author: Fabio Estevam <fabio.estevam@freescale.com>
+ */
+
+#include <common.h>
+#include <image.h>
+#include <init.h>
+#include <log.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/global_data.h>
+#include <asm/gpio.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/mach-imx/mxc_i2c.h>
+#include <asm/mach-imx/boot_mode.h>
+#include <asm/mach-imx/video.h>
+#include <asm/mach-imx/sata.h>
+#include <asm/io.h>
+#include <env.h>
+#include <linux/delay.h>
+#include <linux/sizes.h>
+#include <common.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <phy.h>
+#include <i2c.h>
+#include <power/pmic.h>
+#include <power/pfuze100_pmic.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |			\
+	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+#define ENET_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 ETH_PHY_RESET		IMX_GPIO_NR(3, 29)
+#define ETH_PHY_AR8035_POWER	IMX_GPIO_NR(7, 13)
+#define REV_DETECTION		IMX_GPIO_NR(2, 28)
+
+/* Speed defined in Kconfig is only applicable when not using DM_I2C.  */
+#if CONFIG_IS_ENABLED(DM_I2C)
+#define I2C1_SPEED_NON_DM	0
+#define I2C2_SPEED_NON_DM	0
+#else
+#define I2C1_SPEED_NON_DM	CONFIG_SYS_MXC_I2C1_SPEED
+#define I2C2_SPEED_NON_DM	CONFIG_SYS_MXC_I2C2_SPEED
+#endif
+
+static bool with_pmic;
+
+int dram_init(void)
+{
+	gd->ram_size = imx_ddr_size();
+
+	return 0;
+}
+
+static iomux_v3_cfg_t const uart1_pads[] = {
+	IOMUX_PADS(PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
+	IOMUX_PADS(PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
+};
+
+static iomux_v3_cfg_t const enet_pads[] = {
+	/* AR8031 PHY Reset */
+	IOMUX_PADS(PAD_EIM_D29__GPIO3_IO29    | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+static iomux_v3_cfg_t const enet_ar8035_power_pads[] = {
+	/* AR8035 POWER */
+	IOMUX_PADS(PAD_GPIO_18__GPIO7_IO13    | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+static iomux_v3_cfg_t const rev_detection_pad[] = {
+	IOMUX_PADS(PAD_EIM_EB0__GPIO2_IO28  | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+static void setup_iomux_uart(void)
+{
+	SETUP_IOMUX_PADS(uart1_pads);
+}
+
+static void setup_iomux_enet(void)
+{
+	SETUP_IOMUX_PADS(enet_pads);
+
+	if (with_pmic) {
+		SETUP_IOMUX_PADS(enet_ar8035_power_pads);
+		/* enable AR8035 POWER */
+		gpio_request(ETH_PHY_AR8035_POWER, "PHY_POWER");
+		gpio_direction_output(ETH_PHY_AR8035_POWER, 0);
+	}
+	/* wait until 3.3V of PHY and clock become stable */
+	mdelay(10);
+
+	/* Reset AR8031 PHY */
+	gpio_request(ETH_PHY_RESET, "PHY_RESET");
+	gpio_direction_output(ETH_PHY_RESET, 0);
+	mdelay(10);
+	gpio_set_value(ETH_PHY_RESET, 1);
+	udelay(100);
+}
+
+static int ar8031_phy_fixup(struct phy_device *phydev)
+{
+	unsigned short val;
+	int mask;
+
+	/* To enable AR8031 ouput a 125MHz clk from CLK_25M */
+	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
+	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
+	phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
+
+	val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
+	if (with_pmic)
+		mask = 0xffe7;	/* AR8035 */
+	else
+		mask = 0xffe3;	/* AR8031 */
+
+	val &= mask;
+	val |= 0x18;
+	phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val);
+
+	/* introduce tx clock delay */
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
+	val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
+	val |= 0x0100;
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
+
+	return 0;
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+	ar8031_phy_fixup(phydev);
+
+	if (phydev->drv->config)
+		phydev->drv->config(phydev);
+
+	return 0;
+}
+
+#if defined(CONFIG_VIDEO_IPUV3)
+struct i2c_pads_info mx6q_i2c2_pad_info = {
+	.scl = {
+		.i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gp = IMX_GPIO_NR(4, 12)
+	},
+	.sda = {
+		.i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gp = IMX_GPIO_NR(4, 13)
+	}
+};
+
+struct i2c_pads_info mx6dl_i2c2_pad_info = {
+	.scl = {
+		.i2c_mode = MX6DL_PAD_KEY_COL3__I2C2_SCL
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gpio_mode = MX6DL_PAD_KEY_COL3__GPIO4_IO12
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gp = IMX_GPIO_NR(4, 12)
+	},
+	.sda = {
+		.i2c_mode = MX6DL_PAD_KEY_ROW3__I2C2_SDA
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gpio_mode = MX6DL_PAD_KEY_ROW3__GPIO4_IO13
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gp = IMX_GPIO_NR(4, 13)
+	}
+};
+
+struct i2c_pads_info mx6q_i2c3_pad_info = {
+	.scl = {
+		.i2c_mode = MX6Q_PAD_GPIO_5__I2C3_SCL
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gpio_mode = MX6Q_PAD_GPIO_5__GPIO1_IO05
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gp = IMX_GPIO_NR(1, 5)
+	},
+	.sda = {
+		.i2c_mode = MX6Q_PAD_GPIO_16__I2C3_SDA
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gpio_mode = MX6Q_PAD_GPIO_16__GPIO7_IO11
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gp = IMX_GPIO_NR(7, 11)
+	}
+};
+
+struct i2c_pads_info mx6dl_i2c3_pad_info = {
+	.scl = {
+		.i2c_mode = MX6DL_PAD_GPIO_5__I2C3_SCL
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gpio_mode = MX6DL_PAD_GPIO_5__GPIO1_IO05
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gp = IMX_GPIO_NR(1, 5)
+	},
+	.sda = {
+		.i2c_mode = MX6DL_PAD_GPIO_16__I2C3_SDA
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gpio_mode = MX6DL_PAD_GPIO_16__GPIO7_IO11
+			| MUX_PAD_CTRL(I2C_PAD_CTRL),
+		.gp = IMX_GPIO_NR(7, 11)
+	}
+};
+
+static iomux_v3_cfg_t const fwadapt_7wvga_pads[] = {
+	IOMUX_PADS(PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK),
+	IOMUX_PADS(PAD_DI0_PIN2__IPU1_DI0_PIN02), /* HSync */
+	IOMUX_PADS(PAD_DI0_PIN3__IPU1_DI0_PIN03), /* VSync */
+	IOMUX_PADS(PAD_DI0_PIN4__IPU1_DI0_PIN04	| MUX_PAD_CTRL(PAD_CTL_DSE_120ohm)), /* Contrast */
+	IOMUX_PADS(PAD_DI0_PIN15__IPU1_DI0_PIN15), /* DISP0_DRDY */
+	IOMUX_PADS(PAD_DISP0_DAT0__IPU1_DISP0_DATA00),
+	IOMUX_PADS(PAD_DISP0_DAT1__IPU1_DISP0_DATA01),
+	IOMUX_PADS(PAD_DISP0_DAT2__IPU1_DISP0_DATA02),
+	IOMUX_PADS(PAD_DISP0_DAT3__IPU1_DISP0_DATA03),
+	IOMUX_PADS(PAD_DISP0_DAT4__IPU1_DISP0_DATA04),
+	IOMUX_PADS(PAD_DISP0_DAT5__IPU1_DISP0_DATA05),
+	IOMUX_PADS(PAD_DISP0_DAT6__IPU1_DISP0_DATA06),
+	IOMUX_PADS(PAD_DISP0_DAT7__IPU1_DISP0_DATA07),
+	IOMUX_PADS(PAD_DISP0_DAT8__IPU1_DISP0_DATA08),
+	IOMUX_PADS(PAD_DISP0_DAT9__IPU1_DISP0_DATA09),
+	IOMUX_PADS(PAD_DISP0_DAT10__IPU1_DISP0_DATA10),
+	IOMUX_PADS(PAD_DISP0_DAT11__IPU1_DISP0_DATA11),
+	IOMUX_PADS(PAD_DISP0_DAT12__IPU1_DISP0_DATA12),
+	IOMUX_PADS(PAD_DISP0_DAT13__IPU1_DISP0_DATA13),
+	IOMUX_PADS(PAD_DISP0_DAT14__IPU1_DISP0_DATA14),
+	IOMUX_PADS(PAD_DISP0_DAT15__IPU1_DISP0_DATA15),
+	IOMUX_PADS(PAD_DISP0_DAT16__IPU1_DISP0_DATA16),
+	IOMUX_PADS(PAD_DISP0_DAT17__IPU1_DISP0_DATA17),
+	IOMUX_PADS(PAD_SD4_DAT2__GPIO2_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL)), /* DISP0_BKLEN */
+	IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL)), /* DISP0_VDDEN */
+};
+
+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)
+{
+#if CONFIG_IS_ENABLED(DM_I2C)
+	struct udevice *bus, *udev;
+	int rc;
+
+	rc = uclass_get_device_by_seq(UCLASS_I2C, dev->bus, &bus);
+	if (rc)
+		return rc;
+	rc = dm_i2c_probe(bus, dev->addr, 0, &udev);
+	if (rc)
+		return 0;
+	return 1;
+#else
+	return (0 == i2c_set_bus_num(dev->bus)) &&
+			(0 == i2c_probe(dev->addr));
+#endif
+}
+
+static void enable_fwadapt_7wvga(struct display_info_t const *dev)
+{
+	SETUP_IOMUX_PADS(fwadapt_7wvga_pads);
+
+	gpio_request(IMX_GPIO_NR(2, 10), "DISP0_BKLEN");
+	gpio_request(IMX_GPIO_NR(2, 11), "DISP0_VDDEN");
+	gpio_direction_output(IMX_GPIO_NR(2, 10), 1);
+	gpio_direction_output(IMX_GPIO_NR(2, 11), 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	= 0x10,
+	.pixfmt	= IPU_PIX_FMT_RGB666,
+	.detect	= detect_i2c,
+	.enable	= enable_fwadapt_7wvga,
+	.mode	= {
+		.name           = "FWBADAPT-LCD-F07A-0102",
+		.refresh        = 60,
+		.xres           = 800,
+		.yres           = 480,
+		.pixclock       = 33260,
+		.left_margin    = 128,
+		.right_margin   = 128,
+		.upper_margin   = 22,
+		.lower_margin   = 22,
+		.hsync_len      = 1,
+		.vsync_len      = 1,
+		.sync           = 0,
+		.vmode          = FB_VMODE_NONINTERLACED
+} } };
+size_t display_count = ARRAY_SIZE(displays);
+
+static void setup_display(void)
+{
+	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+	int reg;
+
+	enable_ipu_clock();
+	imx_setup_hdmi();
+
+	reg = readl(&mxc_ccm->chsccdr);
+	reg |= (CHSCCDR_CLK_SEL_LDB_DI0
+		<< MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
+	writel(reg, &mxc_ccm->chsccdr);
+
+	/* Disable LCD backlight */
+	SETUP_IOMUX_PAD(PAD_DI0_PIN4__GPIO4_IO20);
+	gpio_request(IMX_GPIO_NR(4, 20), "LCD_BKLEN");
+	gpio_direction_input(IMX_GPIO_NR(4, 20));
+}
+#endif /* CONFIG_VIDEO_IPUV3 */
+
+int board_early_init_f(void)
+{
+	setup_iomux_uart();
+#ifdef CONFIG_SATA
+	setup_sata();
+#endif
+
+	return 0;
+}
+
+#define PMIC_I2C_BUS		2
+
+int power_init_board(void)
+{
+	struct udevice *dev;
+	int reg, ret;
+
+	ret = pmic_get("pfuze100@8", &dev);
+	if (ret < 0) {
+		debug("pmic_get() ret %d\n", ret);
+		return 0;
+	}
+
+	reg = pmic_reg_read(dev, PFUZE100_DEVICEID);
+	if (reg < 0) {
+		debug("pmic_reg_read() ret %d\n", reg);
+		return 0;
+	}
+	printf("PMIC:  PFUZE100 ID=0x%02x\n", reg);
+	with_pmic = true;
+
+	/* Set VGEN2 to 1.5V and enable */
+	reg = pmic_reg_read(dev, PFUZE100_VGEN2VOL);
+	reg &= ~(LDO_VOL_MASK);
+	reg |= (LDOA_1_50V | (1 << (LDO_EN)));
+	pmic_reg_write(dev, PFUZE100_VGEN2VOL, reg);
+	return 0;
+}
+
+/*
+ * Do not overwrite the console
+ * Use always serial for U-Boot console
+ */
+int overwrite_console(void)
+{
+	return 1;
+}
+
+#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, 0x20, 0x00, 0x00)},
+	{NULL,	 0},
+};
+#endif
+
+static bool is_revc1(void)
+{
+	SETUP_IOMUX_PADS(rev_detection_pad);
+	gpio_request(REV_DETECTION, "REV_DETECT");
+	gpio_direction_input(REV_DETECTION);
+
+	if (gpio_get_value(REV_DETECTION))
+		return true;
+	else
+		return false;
+}
+
+static bool is_revd1(void)
+{
+	if (with_pmic)
+		return true;
+	else
+		return false;
+}
+
+int board_late_init(void)
+{
+#ifdef CONFIG_CMD_BMODE
+	add_board_boot_modes(board_boot_modes);
+#endif
+
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+	if (is_mx6dqp())
+		env_set("board_rev", "MX6QP");
+	else if (is_mx6dq())
+		env_set("board_rev", "MX6Q");
+	else
+		env_set("board_rev", "MX6DL");
+
+	if (is_revd1())
+		env_set("board_name", "D1");
+	else if (is_revc1())
+		env_set("board_name", "C1");
+	else
+		env_set("board_name", "B1");
+#endif
+	setup_iomux_enet();
+
+	if (is_revd1())
+		puts("Board: Wandboard rev D1\n");
+	else if (is_revc1())
+		puts("Board: Wandboard rev C1\n");
+	else
+		puts("Board: Wandboard rev B1\n");
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+#if defined(CONFIG_VIDEO_IPUV3)
+	setup_i2c(1, I2C1_SPEED_NON_DM, 0x7f, &mx6dl_i2c2_pad_info);
+	if (is_mx6dq() || is_mx6dqp()) {
+		setup_i2c(1, I2C1_SPEED_NON_DM, 0x7f, &mx6q_i2c2_pad_info);
+		setup_i2c(2, I2C2_SPEED_NON_DM, 0x7f, &mx6q_i2c3_pad_info);
+	} else {
+		setup_i2c(1, I2C1_SPEED_NON_DM, 0x7f, &mx6dl_i2c2_pad_info);
+		setup_i2c(2, I2C2_SPEED_NON_DM, 0x7f, &mx6dl_i2c3_pad_info);
+	}
+
+	setup_display();
+#endif
+
+	return 0;
+}
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+	if (is_mx6dq()) {
+		if (!strcmp(name, "imx6q-wandboard-revd1"))
+			return 0;
+	} else if (is_mx6dqp()) {
+		if (!strcmp(name, "imx6qp-wandboard-revd1"))
+			return 0;
+	} else if (is_mx6dl() || is_mx6solo()) {
+		if (!strcmp(name, "imx6dl-wandboard-revd1"))
+			return 0;
+	}
+
+	return -EINVAL;
+}
+#endif