diff --git a/board/theobroma-systems/ringneck_px30/ringneck-px30.c b/board/theobroma-systems/ringneck_px30/ringneck-px30.c
new file mode 100644
index 0000000..47d1a40
--- /dev/null
+++ b/board/theobroma-systems/ringneck_px30/ringneck-px30.c
@@ -0,0 +1,175 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2022 Theobroma Systems Design und Consulting GmbH
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <env.h>
+#include <env_internal.h>
+#include <init.h>
+#include <log.h>
+#include <misc.h>
+#include <spl.h>
+#include <syscon.h>
+#include <u-boot/crc.h>
+#include <usb.h>
+#include <dm/pinctrl.h>
+#include <dm/uclass-internal.h>
+#include <asm/io.h>
+#include <asm/setup.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/hardware.h>
+#include <asm/arch-rockchip/periph.h>
+#include <asm/arch-rockchip/misc.h>
+#include <power/regulator.h>
+#include <u-boot/sha256.h>
+
+/*
+ * Swap mmc0 and mmc1 in boot_targets if booted from SD-Card.
+ *
+ * If bootsource is uSD-card we can assume that we want to use the
+ * SD-Card instead of the eMMC as first boot_target for distroboot.
+ * We only want to swap the defaults and not any custom environment a
+ * user has set. We exit early if a changed boot_targets environment
+ * is detected.
+ */
+static int setup_boottargets(void)
+{
+	const char *boot_device =
+		ofnode_read_chosen_string("u-boot,spl-boot-device");
+	char *env_default, *env;
+
+	if (!boot_device) {
+		debug("%s: /chosen/u-boot,spl-boot-device not set\n",
+		      __func__);
+		return -1;
+	}
+	debug("%s: booted from %s\n", __func__, boot_device);
+
+	env_default = env_get_default("boot_targets");
+	env = env_get("boot_targets");
+	if (!env) {
+		debug("%s: boot_targets does not exist\n", __func__);
+		return -1;
+	}
+	debug("%s: boot_targets current: %s - default: %s\n",
+	      __func__, env, env_default);
+
+	if (strcmp(env_default, env) != 0) {
+		debug("%s: boot_targets not default, don't change it\n",
+		      __func__);
+		return 0;
+	}
+
+	/*
+	 * Make the default boot medium between SD Card and eMMC, the one that
+	 * was used to load U-Boot proper.
+	 */
+	bool sd_booted = !strcmp(boot_device, "/mmc@ff370000");
+	char *mmc0, *mmc1;
+
+	debug("%s: booted from %s\n", __func__,
+	      sd_booted ? "SD-Card" : "eMMC");
+	mmc0 = strstr(env, "mmc0");
+	mmc1 = strstr(env, "mmc1");
+
+	if (!mmc0 || !mmc1) {
+		debug("%s: only one mmc boot_target found\n", __func__);
+		return -1;
+	}
+
+	/*
+	 * If mmc0 comes first in the boot order and U-Boot proper was
+	 * loaded from mmc1, swap mmc0 and mmc1 in the list.
+	 * If mmc1 comes first in the boot order and U-Boot proper was
+	 * loaded from mmc0, swap mmc0 and mmc1 in the list.
+	 */
+	if ((mmc0 < mmc1 && sd_booted) ||
+	    (mmc0 > mmc1 && !sd_booted)) {
+		mmc0[3] = '1';
+		mmc1[3] = '0';
+		debug("%s: set boot_targets to: %s\n", __func__, env);
+		env_set("boot_targets", env);
+	}
+
+	return 0;
+}
+
+int mmc_get_env_dev(void)
+{
+	const char *boot_device =
+		ofnode_read_chosen_string("u-boot,spl-boot-device");
+
+	if (!boot_device) {
+		debug("%s: /chosen/u-boot,spl-boot-device not set\n",
+		      __func__);
+		return CONFIG_SYS_MMC_ENV_DEV;
+	}
+
+	debug("%s: booted from %s\n", __func__, boot_device);
+
+	if (!strcmp(boot_device, "/mmc@ff370000"))
+		return 1;
+
+	if (!strcmp(boot_device, "/mmc@ff390000"))
+		return 0;
+
+	return CONFIG_SYS_MMC_ENV_DEV;
+}
+
+#if !IS_ENABLED(CONFIG_ENV_IS_NOWHERE)
+#error Please enable CONFIG_ENV_IS_NOWHERE
+#endif
+
+enum env_location arch_env_get_location(enum env_operation op, int prio)
+{
+	const char *boot_device =
+		ofnode_read_chosen_string("u-boot,spl-boot-device");
+
+	if (prio > 0)
+		return ENVL_UNKNOWN;
+
+	if (!boot_device) {
+		debug("%s: /chosen/u-boot,spl-boot-device not set\n",
+		      __func__);
+		return ENVL_NOWHERE;
+	}
+
+	debug("%s: booted from %s\n", __func__, boot_device);
+
+	if (IS_ENABLED(CONFIG_ENV_IS_IN_MMC) &&
+	    (!strcmp(boot_device, "/mmc@ff370000") ||
+	     !strcmp(boot_device, "/mmc@ff390000")))
+		return ENVL_MMC;
+
+	printf("%s: No environment available: booted from %s but U-Boot "
+	       "config does not allow loading environment from it.",
+	       __func__, boot_device);
+
+	return ENVL_NOWHERE;
+}
+
+int misc_init_r(void)
+{
+	const u32 cpuid_offset = 0x7;
+	const u32 cpuid_length = 0x10;
+	u8 cpuid[cpuid_length];
+	int ret;
+
+	ret = rockchip_cpuid_from_efuse(cpuid_offset, cpuid_length, cpuid);
+	if (ret)
+		return ret;
+
+	ret = rockchip_cpuid_set(cpuid, cpuid_length);
+	if (ret)
+		return ret;
+
+	ret = rockchip_setup_macaddr();
+	if (ret)
+		return ret;
+
+	setup_boottargets();
+
+	return 0;
+}