efi_loader: remove superfluous check in efi_setup_loaded_image()
[oweals/u-boot.git] / common / spl / spl_net.c
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 <errno.h>
11 #include <spl.h>
12 #include <net.h>
13 #include <linux/libfdt.h>
14
15 #if defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USB_ETHER)
16 static ulong spl_net_load_read(struct spl_load_info *load, ulong sector,
17                                ulong count, void *buf)
18 {
19         debug("%s: sector %lx, count %lx, buf %lx\n",
20               __func__, sector, count, (ulong)buf);
21         memcpy(buf, (void *)(load_addr + sector), count);
22         return count;
23 }
24
25 static int spl_net_load_image(struct spl_image_info *spl_image,
26                               struct spl_boot_device *bootdev)
27 {
28         struct image_header *header = (struct image_header *)load_addr;
29         int rv;
30
31         env_init();
32         env_relocate();
33         env_set("autoload", "yes");
34         rv = eth_initialize();
35         if (rv == 0) {
36                 printf("No Ethernet devices found\n");
37                 return -ENODEV;
38         }
39         if (bootdev->boot_device_name)
40                 env_set("ethact", bootdev->boot_device_name);
41         rv = net_loop(BOOTP);
42         if (rv < 0) {
43                 printf("Problem booting with BOOTP\n");
44                 return rv;
45         }
46
47         if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
48             image_get_magic(header) == FDT_MAGIC) {
49                 struct spl_load_info load;
50
51                 debug("Found FIT\n");
52                 load.bl_len = 1;
53                 load.read = spl_net_load_read;
54                 rv = spl_load_simple_fit(spl_image, &load, 0, header);
55         } else {
56                 debug("Legacy image\n");
57
58                 rv = spl_parse_image_header(spl_image, header);
59                 if (rv)
60                         return rv;
61
62                 memcpy((void *)spl_image->load_addr, header, spl_image->size);
63         }
64
65         return rv;
66 }
67 #endif
68
69 #ifdef CONFIG_SPL_ETH_SUPPORT
70 int spl_net_load_image_cpgmac(struct spl_image_info *spl_image,
71                               struct spl_boot_device *bootdev)
72 {
73 #ifdef CONFIG_SPL_ETH_DEVICE
74         bootdev->boot_device_name = CONFIG_SPL_ETH_DEVICE;
75 #endif
76
77         return spl_net_load_image(spl_image, bootdev);
78 }
79 SPL_LOAD_IMAGE_METHOD("eth device", 0, BOOT_DEVICE_CPGMAC,
80                       spl_net_load_image_cpgmac);
81 #endif
82
83 #ifdef CONFIG_SPL_USB_ETHER
84 int spl_net_load_image_usb(struct spl_image_info *spl_image,
85                            struct spl_boot_device *bootdev)
86 {
87         bootdev->boot_device_name = "usb_ether";
88 #if CONFIG_IS_ENABLED(DM_USB_GADGET)
89         usb_ether_init();
90 #endif
91         return spl_net_load_image(spl_image, bootdev);
92 }
93 SPL_LOAD_IMAGE_METHOD("USB eth", 0, BOOT_DEVICE_USBETH, spl_net_load_image_usb);
94 #endif