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