1 files changed, 97 insertions, 0 deletions
diff --git a/roms/u-boot/common/spl/spl_net.c b/roms/u-boot/common/spl/spl_net.c
new file mode 100644
index 000000000..e140a6306
--- /dev/null
+++ b/roms/u-boot/common/spl/spl_net.c
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2012
+ * Ilya Yanok <ilya.yanok@gmail.com>
+ */
+#include <common.h>
+#include <env.h>
+#include <errno.h>
+#include <image.h>
+#include <log.h>
+#include <spl.h>
+#include <net.h>
+#include <linux/libfdt.h>
+
+#if defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USB_ETHER)
+static ulong spl_net_load_read(struct spl_load_info *load, ulong sector,
+			       ulong count, void *buf)
+{
+	debug("%s: sector %lx, count %lx, buf %lx\n",
+	      __func__, sector, count, (ulong)buf);
+	memcpy(buf, (void *)(image_load_addr + sector), count);
+	return count;
+}
+
+static int spl_net_load_image(struct spl_image_info *spl_image,
+			      struct spl_boot_device *bootdev)
+{
+	struct image_header *header = (struct image_header *)image_load_addr;
+	int rv;
+
+	env_init();
+	env_relocate();
+	env_set("autoload", "yes");
+	rv = eth_initialize();
+	if (rv == 0) {
+		printf("No Ethernet devices found\n");
+		return -ENODEV;
+	}
+	if (bootdev->boot_device_name)
+		env_set("ethact", bootdev->boot_device_name);
+	rv = net_loop(BOOTP);
+	if (rv < 0) {
+		printf("Problem booting with BOOTP\n");
+		return rv;
+	}
+
+	if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
+	    image_get_magic(header) == FDT_MAGIC) {
+		struct spl_load_info load;
+
+		debug("Found FIT\n");
+		load.bl_len = 1;
+		load.read = spl_net_load_read;
+		rv = spl_load_simple_fit(spl_image, &load, 0, header);
+	} else {
+		debug("Legacy image\n");
+
+		rv = spl_parse_image_header(spl_image, header);
+		if (rv)
+			return rv;
+
+		memcpy((void *)spl_image->load_addr, header, spl_image->size);
+	}
+
+	return rv;
+}
+#endif
+
+#ifdef CONFIG_SPL_ETH_SUPPORT
+int spl_net_load_image_cpgmac(struct spl_image_info *spl_image,
+			      struct spl_boot_device *bootdev)
+{
+#ifdef CONFIG_SPL_ETH_DEVICE
+	bootdev->boot_device_name = CONFIG_SPL_ETH_DEVICE;
+#endif
+
+	return spl_net_load_image(spl_image, bootdev);
+}
+SPL_LOAD_IMAGE_METHOD("eth device", 0, BOOT_DEVICE_CPGMAC,
+		      spl_net_load_image_cpgmac);
+#endif
+
+#ifdef CONFIG_SPL_USB_ETHER
+int spl_net_load_image_usb(struct spl_image_info *spl_image,
+			   struct spl_boot_device *bootdev)
+{
+	bootdev->boot_device_name = "usb_ether";
+#if CONFIG_IS_ENABLED(DM_USB_GADGET)
+	usb_ether_init();
+#endif
+	return spl_net_load_image(spl_image, bootdev);
+}
+SPL_LOAD_IMAGE_METHOD("USB eth", 0, BOOT_DEVICE_USBETH, spl_net_load_image_usb);
+#endif