1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
// 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 <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 *)(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 *)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
|
