ARM:imx:imx8mq-cm: Add support for Ronetix iMX8MQ-CM
Supported peripherals: Ethernet, eMMC, Serial.
U-Boot SPL 2021.04-00911-g5fa1e2ffeb-dirty (Apr 23 2021 - 09:11:14
+0200)
Normal Boot
Trying to boot from MMC2
U-Boot 2021.04-00911-g5fa1e2ffeb-dirty (Apr 23 2021 - 09:11:14 +0200)
CPU: Freescale i.MX8MQ rev2.1 at 1000 MHz
Reset cause: POR
Model: Ronetix iMX8M-CM SoM
DRAM: 1 GiB
WDT: Started with servicing (60s timeout)
MMC: FSL_SDHC: 0, FSL_SDHC: 1
Loading Environment from MMC... OK
In: serial
Out: serial
Err: serial
Net:
Warning: ethernet@30be0000 (eth0) using random MAC address -
42:0d:e7:78:da:53
eth0: ethernet@30be0000
Hit any key to stop autoboot: 0
u-boot=>
Signed-off-by: Ilko Iliev <iliev@ronetix.at>
diff --git a/board/ronetix/imx8mq-cm/imx8mq_cm.c b/board/ronetix/imx8mq-cm/imx8mq_cm.c
new file mode 100644
index 0000000..9805a3a
--- /dev/null
+++ b/board/ronetix/imx8mq-cm/imx8mq_cm.c
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018 NXP
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <asm-generic/gpio.h>
+#include <asm/arch/imx8mq_pins.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/clock.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_FSEL1)
+
+#define WDOG_PAD_CTRL (PAD_CTL_DSE6 | PAD_CTL_HYS | PAD_CTL_PUE)
+
+static iomux_v3_cfg_t const wdog_pads[] = {
+ IMX8MQ_PAD_GPIO1_IO02__WDOG1_WDOG_B | MUX_PAD_CTRL(WDOG_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const uart_pads[] = {
+ IMX8MQ_PAD_UART1_RXD__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+ IMX8MQ_PAD_UART1_TXD__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+int board_early_init_f(void)
+{
+ struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
+
+ imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
+ set_wdog_reset(wdog);
+
+ imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
+
+ return 0;
+}
+
+static int setup_fec(void)
+{
+ struct iomuxc_gpr_base_regs *gpr =
+ (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
+
+ /* Use 125M anatop REF_CLK1 for ENET1, not from external */
+ clrsetbits_le32(&gpr->gpr[1], BIT(13) | BIT(17), 0);
+ return set_clk_enet(ENET_125MHZ);
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+ /* enable rgmii rxc skew and phy mode select to RGMII copper */
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
+
+ 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;
+}
+
+int board_init(void)
+{
+ setup_fec();
+
+ return 0;
+}
+
+int board_mmc_get_env_dev(int devno)
+{
+ return devno;
+}
+
+int board_late_init(void)
+{
+ if (IS_ENABLED(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)) {
+ env_set("board_name", "imx8mq-cm");
+ env_set("board_rev", "v2.0");
+ }
+
+ return 0;
+}