1 /*
2 * (C) Copyright 2000-2004
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 *
5 * (C) Copyright 2012
6 * Ilya Yanok <ilya.yanok@gmail.com>
7 *
8 * SPDX-License-Identifier: GPL-2.0+
9 */
10 #include <common.h>
11 #include <errno.h>
12 #include <spl.h>
13 #include <net.h>
14 #include <linux/libfdt.h>
15
16 DECLARE_GLOBAL_DATA_PTR;
17
18 #if defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)
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 *)(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 *)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 #ifdef CONFIG_SPL_FIT_IMAGE_MULTIPLE
51 if ((IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
52 image_get_magic(header) == FDT_MAGIC) ||
53 CONFIG_SPL_FIT_IMAGE_MULTIPLE > 1) {
54 #else
55 if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
56 image_get_magic(header) == FDT_MAGIC) {
57 #endif
58 struct spl_load_info load;
59
60 debug("Found FIT\n");
61 load.bl_len = 1;
62 load.read = spl_net_load_read;
63 rv = spl_load_simple_fit(spl_image, &load, 0, header);
64 } else {
65 debug("Legacy image\n");
66
67 rv = spl_parse_image_header(spl_image, header);
68 if (rv)
69 return rv;
70
71 memcpy((void *)spl_image->load_addr, header, spl_image->size);
72 }
73
74 return rv;
75 }
76 #endif
77
78 #ifdef CONFIG_SPL_ETH_SUPPORT
79 int spl_net_load_image_cpgmac(struct spl_image_info *spl_image,
80 struct spl_boot_device *bootdev)
81 {
82 #ifdef CONFIG_SPL_ETH_DEVICE
83 bootdev->boot_device_name = CONFIG_SPL_ETH_DEVICE;
84 #endif
85
86 return spl_net_load_image(spl_image, bootdev);
87 }
88 SPL_LOAD_IMAGE_METHOD("eth device", 0, BOOT_DEVICE_CPGMAC,
89 spl_net_load_image_cpgmac);
90 #endif
91
92 #ifdef CONFIG_SPL_USBETH_SUPPORT
93 int spl_net_load_image_usb(struct spl_image_info *spl_image,
94 struct spl_boot_device *bootdev)
95 {
96 bootdev->boot_device_name = "usb_ether";
97
98 return spl_net_load_image(spl_image, bootdev);
99 }
100 SPL_LOAD_IMAGE_METHOD("USB eth", 0, BOOT_DEVICE_USBETH, spl_net_load_image_usb);
101 #endif
102