1 files changed, 478 insertions, 0 deletions
diff --git a/board/toradex/colibri-imx8qxp/colibri-imx8qxp.c b/board/toradex/colibri-imx8qxp/colibri-imx8qxp.c
new file mode 100644
index 0000000000..4ab7ff6612
--- /dev/null
+++ b/board/toradex/colibri-imx8qxp/colibri-imx8qxp.c
@@ -0,0 +1,478 @@
+/*
+ * Copyright (C), 2018 Toradex AG
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <malloc.h>
+#include <errno.h>
+#include <netdev.h>
+#include <fsl_ifc.h>
+#include <fdt_support.h>
+#include <libfdt.h>
+#include <environment.h>
+#include <fsl_esdhc.h>
+#include <i2c.h>
+
+#include <asm/io.h>
+#include <asm/gpio.h>
+#include <asm/arch/clock.h>
+#include <asm/imx-common/sci/sci.h>
+#include <asm/arch/imx8-pins.h>
+#include <dm.h>
+#include <imx8_hsio.h>
+#include <usb.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/imx-common/video.h>
+#include <asm/arch/video_common.h>
+#include <power-domain.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define ESDHC_PAD_CTRL	((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
+						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
+
+#define ESDHC_CLK_PAD_CTRL	((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
+						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
+
+// this is likely the same as in the dts file
+#define ENET_INPUT_PAD_CTRL	((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
+						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
+#define ENET_NORMAL_PAD_CTRL	ENET_INPUT_PAD_CTRL
+
+#define FSPI_PAD_CTRL	((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
+						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
+
+#define GPIO_PAD_CTRL	((SC_PAD_CONFIG_NORMAL << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
+						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
+
+#define I2C_PAD_CTRL	((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
+						| (SC_PAD_28FDSOI_DSE_DV_LOW << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
+
+#define UART_PAD_CTRL	((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \
+						| (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT))
+
+static iomux_cfg_t uart0_pads[] = {
+	SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+	SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static void setup_iomux_uart(void)
+{
+	imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads));
+}
+
+int board_early_init_f(void)
+{
+	sc_ipc_t ipcHndl = 0;
+	sc_err_t sciErr = 0;
+
+	ipcHndl = gd->arch.ipc_channel_handle;
+
+	/* Power up UART0 */
+	sciErr = sc_pm_set_resource_power_mode(ipcHndl, SC_R_UART_0, SC_PM_PW_MODE_ON);
+	if (sciErr != SC_ERR_NONE)
+		return 0;
+
+	/* Set UART0 clock root to 80 MHz */
+	sc_pm_clock_rate_t rate = 80000000;
+	sciErr = sc_pm_set_clock_rate(ipcHndl, SC_R_UART_0, 2, &rate);
+	if (sciErr != SC_ERR_NONE)
+		return 0;
+
+	/* Enable UART0 clock root */
+	sciErr = sc_pm_clock_enable(ipcHndl, SC_R_UART_0, 2, true, false);
+	if (sciErr != SC_ERR_NONE)
+		return 0;
+
+	setup_iomux_uart();
+
+	return 0;
+}
+
+#ifdef CONFIG_FSL_ESDHC
+
+#define USDHC1_CD_GPIO	IMX_GPIO_NR(3, 9)
+
+static struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = {
+	{USDHC1_BASE_ADDR, 0, 8},
+	{USDHC2_BASE_ADDR, 0, 4},
+};
+
+static iomux_cfg_t emmc0[] = {
+	SC_P_EMMC0_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
+	SC_P_EMMC0_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_EMMC0_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_EMMC0_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_EMMC0_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_EMMC0_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_EMMC0_DATA4 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_EMMC0_DATA5 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_EMMC0_DATA6 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_EMMC0_DATA7 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_EMMC0_STROBE | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+};
+
+static iomux_cfg_t usdhc1_sd[] = {
+	SC_P_USDHC1_CLK | MUX_PAD_CTRL(ESDHC_CLK_PAD_CTRL),
+	SC_P_USDHC1_CMD | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_USDHC1_DATA0 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_USDHC1_DATA1 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_USDHC1_DATA2 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_USDHC1_DATA3 | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+	SC_P_QSPI0A_DATA0 | MUX_MODE_ALT(4) | MUX_PAD_CTRL(ESDHC_PAD_CTRL), /* Mux for CD,  GPIO3 IO09 */
+	SC_P_USDHC1_VSELECT | MUX_PAD_CTRL(ESDHC_PAD_CTRL),
+};
+
+int board_mmc_init(bd_t *bis)
+{
+	int i, ret;
+	struct power_domain pd;
+
+	/*
+	 * According to the board_mmc_init() the following map is done:
+	 * (U-boot device node)    (Physical Port)
+	 * mmc0                    USDHC1
+	 * mmc1                    USDHC2
+	 */
+	for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
+		switch (i) {
+		case 0:
+			if (!power_domain_lookup_name("conn_sdhc0", &pd))
+				power_domain_on(&pd);
+			imx8_iomux_setup_multiple_pads(emmc0, ARRAY_SIZE(emmc0));
+			init_clk_usdhc(0);
+			usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+			break;
+		case 1:
+			if (!power_domain_lookup_name("conn_sdhc1", &pd))
+				power_domain_on(&pd);
+			imx8_iomux_setup_multiple_pads(usdhc1_sd, ARRAY_SIZE(usdhc1_sd));
+			init_clk_usdhc(1);
+			usdhc_cfg[i].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+			gpio_request(USDHC1_CD_GPIO, "sd1_cd");
+			gpio_direction_input(USDHC1_CD_GPIO);
+			break;
+		default:
+			printf("Warning: you configured more USDHC controllers"
+				"(%d) than supported by the board\n", i + 1);
+			return 0;
+		}
+		ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
+		if (ret) {
+			printf("Warning: failed to initialize mmc dev %d\n", i);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+	struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+	int ret = 0;
+
+	switch (cfg->esdhc_base) {
+	case USDHC1_BASE_ADDR:
+		ret = 1; /* eMMC */
+		break;
+	case USDHC2_BASE_ADDR:
+		ret = !gpio_get_value(USDHC1_CD_GPIO);
+		break;
+	}
+
+	return ret;
+}
+
+#endif /* CONFIG_FSL_ESDHC */
+
+
+#ifdef CONFIG_FEC_MXC
+#include <miiphy.h>
+
+static iomux_cfg_t pad_enet0[] = {
+	SC_P_ENET0_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
+	SC_P_ENET0_RGMII_RXD0 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
+	SC_P_ENET0_RGMII_RXD1 | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
+	SC_P_ENET0_RGMII_RXD2 | MUX_MODE_ALT(1) | MUX_PAD_CTRL(ENET_INPUT_PAD_CTRL),
+	SC_P_ENET0_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
+	SC_P_ENET0_RGMII_TXD0 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
+	SC_P_ENET0_RGMII_TXD1 | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
+	SC_P_ENET0_RGMII_TXC | MUX_MODE_ALT(1) | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
+
+	/* Shared MDIO */
+	SC_P_ENET0_MDC | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
+	SC_P_ENET0_MDIO | MUX_PAD_CTRL(ENET_NORMAL_PAD_CTRL),
+};
+
+static void setup_iomux_fec(void)
+{
+	imx8_iomux_setup_multiple_pads(pad_enet0, ARRAY_SIZE(pad_enet0));
+}
+
+static void enet_device_phy_reset(void)
+{
+	struct gpio_desc desc;
+	int ret;
+
+	/* The BB_PER_RST_B will reset the ENET1 PHY */
+	if (0 == CONFIG_FEC_ENET_DEV) {
+		ret = dm_gpio_lookup_name("gpio@1a_4", &desc);
+		if (ret)
+			return;
+
+		ret = dm_gpio_request(&desc, "enet0_reset");
+		if (ret)
+			return;
+
+		dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
+		dm_gpio_set_value(&desc, 0);
+		udelay(50);
+		dm_gpio_set_value(&desc, 1);
+	}
+
+	/* The board has a long delay for this reset to become stable */
+	mdelay(200);
+}
+
+int board_eth_init(bd_t *bis)
+{
+	int ret;
+	struct power_domain pd;
+
+	printf("[%s] %d\n", __func__, __LINE__);
+
+	if (CONFIG_FEC_ENET_DEV) {
+		if (!power_domain_lookup_name("conn_enet1", &pd))
+			power_domain_on(&pd);
+	} else {
+		if (!power_domain_lookup_name("conn_enet0", &pd))
+			power_domain_on(&pd);
+	}
+
+	setup_iomux_fec();
+
+	ret = fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV,
+		CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
+	if (ret)
+		printf("FEC1 MXC: %s:failed\n", __func__);
+
+	return ret;
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
+
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x00);
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x82ee);
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
+	phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
+
+	if (phydev->drv->config)
+		phydev->drv->config(phydev);
+
+	return 0;
+}
+
+static int setup_fec(int ind)
+{
+	/* Reset ENET PHY */
+	enet_device_phy_reset();
+
+	return 0;
+}
+#endif
+
+#undef CONFIG_MXC_GPIO /* TODO */
+#ifdef CONFIG_MXC_GPIO
+#define IOEXP_RESET IMX_GPIO_NR(1, 1)
+
+static iomux_cfg_t board_gpios[] = {
+	SC_P_SPI2_SDO | MUX_MODE_ALT(4) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
+	SC_P_ENET0_REFCLK_125M_25M | MUX_MODE_ALT(4) | MUX_PAD_CTRL(GPIO_PAD_CTRL),
+};
+
+static void board_gpio_init(void)
+{
+	int ret;
+	struct gpio_desc desc;
+
+	ret = dm_gpio_lookup_name("gpio@1a_3", &desc);
+	if (ret)
+		return;
+
+	ret = dm_gpio_request(&desc, "bb_per_rst_b");
+	if (ret)
+		return;
+
+	dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
+	dm_gpio_set_value(&desc, 0);
+	udelay(50);
+	dm_gpio_set_value(&desc, 1);
+
+	imx8_iomux_setup_multiple_pads(board_gpios, ARRAY_SIZE(board_gpios));
+
+	/* enable i2c port expander assert reset line */
+	gpio_request(IOEXP_RESET, "ioexp_rst");
+	gpio_direction_output(IOEXP_RESET, 1);
+}
+#endif
+
+int checkboard(void)
+{
+	puts("Board: Colibri iMX8 ########## need to move to common handling\n");
+
+	print_bootinfo();
+
+	/* Note:  After reloc, ipcHndl will no longer be valid.  If handle
+	 *        returned by sc_ipc_open matches SC_IPC_CH, use this
+	 *        macro (valid after reloc) for subsequent SCI calls.
+	 */
+	if (gd->arch.ipc_channel_handle != SC_IPC_CH)
+		printf("\nSCI error! Invalid handle\n");
+
+#ifdef SCI_FORCE_ABORT
+	sc_rpc_msg_t abort_msg;
+
+	puts("Send abort request\n");
+	RPC_SIZE(&abort_msg) = 1;
+	RPC_SVC(&abort_msg) = SC_RPC_SVC_ABORT;
+	sc_ipc_write(SC_IPC_CH, &abort_msg);
+
+	/* Close IPC channel */
+	sc_ipc_close(SC_IPC_CH);
+#endif /* SCI_FORCE_ABORT */
+
+	return 0;
+}
+
+int board_init(void)
+{
+#ifdef CONFIG_MXC_GPIO
+	board_gpio_init();
+#endif
+
+#ifdef CONFIG_FEC_MXC
+	setup_fec(CONFIG_FEC_ENET_DEV);
+#endif
+	return 0;
+}
+
+void board_quiesce_devices()
+{
+	const char *power_on_devices[] = {
+		"dma_lpuart0",
+
+		/* HIFI DSP boot */
+		"audio_sai0",
+		"audio_ocram",
+	};
+
+	power_off_pd_devices(power_on_devices, ARRAY_SIZE(power_on_devices));
+}
+
+void detail_board_ddr_info(void)
+{
+	puts("\nDDR    ");
+}
+
+/*
+ * Board specific reset that is system reset.
+ */
+void reset_cpu(ulong addr)
+{
+	puts("SCI reboot request");
+	sc_pm_reboot(SC_IPC_CH, SC_PM_RESET_TYPE_COLD);
+	while (1)
+		putc('.');
+}
+
+#ifdef CONFIG_OF_BOARD_SETUP
+int ft_board_setup(void *blob, bd_t *bd)
+{
+	return 0;
+}
+#endif
+void board_late_mmc_env_init() {}
+int board_mmc_get_env_dev(int devno)
+{
+	return devno;
+}
+
+int board_late_init(void)
+{
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+/* TODO move to common */
+	setenv("board_name", "Colibri iMX8QXP");
+	setenv("board_rev", "v1.0");
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_MMC
+	board_late_mmc_env_init();
+#endif
+
+	return 0;
+}
+
+#ifdef CONFIG_FSL_FASTBOOT
+#ifdef CONFIG_ANDROID_RECOVERY
+int is_recovery_key_pressing(void)
+{
+	return 0; /*TODO*/
+}
+#endif /*CONFIG_ANDROID_RECOVERY*/
+#endif /*CONFIG_FSL_FASTBOOT*/
+
+#if defined(CONFIG_VIDEO_IMXDPUV1)
+static void enable_lvds(struct display_info_t const *dev)
+{
+#ifdef TODO
+	struct gpio_desc desc;
+	int ret;
+
+	/* MIPI_DSI0_EN on IOEXP 0x1a port 6, MIPI_DSI1_EN on IOEXP 0x1d port 7 */
+	ret = dm_gpio_lookup_name("gpio@1a_6", &desc);
+	if (ret)
+		return;
+
+	ret = dm_gpio_request(&desc, "lvds0_en");
+	if (ret)
+		return;
+
+	dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
+
+	display_controller_setup((PS2KHZ(dev->mode.pixclock) * 1000));
+	lvds_soc_setup(dev->bus, (PS2KHZ(dev->mode.pixclock) * 1000));
+	lvds_configure(dev->bus);
+	lvds2hdmi_setup(13);
+#endif
+}
+
+struct display_info_t const displays[] = {{
+	.bus	= 0, /* LVDS0 */
+	.addr	= 0, /* LVDS0 */
+	.pixfmt	= IMXDPUV1_PIX_FMT_BGRA32,
+	.detect	= NULL,
+	.enable	= enable_lvds,
+	.mode	= {
+		.name           = "IT6263", /* 720P60 */
+		.refresh        = 60,
+		.xres           = 1280,
+		.yres           = 720,
+		.pixclock       = 13468, /* 74250000 */
+		.left_margin    = 110,
+		.right_margin   = 220,
+		.upper_margin   = 5,
+		.lower_margin   = 20,
+		.hsync_len      = 40,
+		.vsync_len      = 5,
+		.sync           = FB_SYNC_EXT,
+		.vmode          = FB_VMODE_NONINTERLACED
+} } };
+size_t display_count = ARRAY_SIZE(displays);
+
+#endif /* CONFIG_VIDEO_IMXDPUV1 */