1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2000-2004
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 *
6 * (C) Copyright 2012
7 * Ilya Yanok <ilya.yanok@gmail.com>
8 */
9 #include <common.h>
10 #include <env.h>
11 #include <errno.h>
12 #include <image.h>
13 #include <log.h>
14 #include <spl.h>
15 #include <net.h>
16 #include <linux/libfdt.h>
17
18 #if defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USB_ETHER)
spl_net_load_read(struct spl_load_info * load,ulong sector,ulong count,void * buf)19 static ulong spl_net_load_read(struct spl_load_info *load, ulong sector,
20 ulong count, void *buf)
21 {
22 debug("%s: sector %lx, count %lx, buf %lx\n",
23 __func__, sector, count, (ulong)buf);
24 memcpy(buf, (void *)(image_load_addr + sector), count);
25 return count;
26 }
27
spl_net_load_image(struct spl_image_info * spl_image,struct spl_boot_device * bootdev)28 static int spl_net_load_image(struct spl_image_info *spl_image,
29 struct spl_boot_device *bootdev)
30 {
31 struct image_header *header = (struct image_header *)image_load_addr;
32 int rv;
33
34 env_init();
35 env_relocate();
36 env_set("autoload", "yes");
37 rv = eth_initialize();
38 if (rv == 0) {
39 printf("No Ethernet devices found\n");
40 return -ENODEV;
41 }
42 if (bootdev->boot_device_name)
43 env_set("ethact", bootdev->boot_device_name);
44 rv = net_loop(BOOTP);
45 if (rv < 0) {
46 printf("Problem booting with BOOTP\n");
47 return rv;
48 }
49
50 if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
51 image_get_magic(header) == FDT_MAGIC) {
52 struct spl_load_info load;
53
54 debug("Found FIT\n");
55 load.bl_len = 1;
56 load.read = spl_net_load_read;
57 rv = spl_load_simple_fit(spl_image, &load, 0, header);
58 } else {
59 debug("Legacy image\n");
60
61 rv = spl_parse_image_header(spl_image, header);
62 if (rv)
63 return rv;
64
65 memcpy((void *)spl_image->load_addr, header, spl_image->size);
66 }
67
68 return rv;
69 }
70 #endif
71
72 #ifdef CONFIG_SPL_ETH_SUPPORT
spl_net_load_image_cpgmac(struct spl_image_info * spl_image,struct spl_boot_device * bootdev)73 int spl_net_load_image_cpgmac(struct spl_image_info *spl_image,
74 struct spl_boot_device *bootdev)
75 {
76 #ifdef CONFIG_SPL_ETH_DEVICE
77 bootdev->boot_device_name = CONFIG_SPL_ETH_DEVICE;
78 #endif
79
80 return spl_net_load_image(spl_image, bootdev);
81 }
82 SPL_LOAD_IMAGE_METHOD("eth device", 0, BOOT_DEVICE_CPGMAC,
83 spl_net_load_image_cpgmac);
84 #endif
85
86 #ifdef CONFIG_SPL_USB_ETHER
spl_net_load_image_usb(struct spl_image_info * spl_image,struct spl_boot_device * bootdev)87 int spl_net_load_image_usb(struct spl_image_info *spl_image,
88 struct spl_boot_device *bootdev)
89 {
90 bootdev->boot_device_name = "usb_ether";
91 #if CONFIG_IS_ENABLED(DM_USB_GADGET)
92 usb_ether_init();
93 #endif
94 return spl_net_load_image(spl_image, bootdev);
95 }
96 SPL_LOAD_IMAGE_METHOD("USB eth", 0, BOOT_DEVICE_USBETH, spl_net_load_image_usb);
97 #endif
98