1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2021
4 * Walter Schweizer <swwa@users.sourceforge.net>
5 * Phil Sutter <phil@nwl.cc>
6 */
7
8 #include <config.h>
9 #include <vsprintf.h>
10 #include <env.h>
11 #include <net.h>
12 #include <asm/setup.h>
13
14 #include "legacy.h"
15
syno_board_id(void)16 static unsigned int syno_board_id(void)
17 {
18 #ifdef CONFIG_MACH_TYPE
19 switch (CONFIG_MACH_TYPE) {
20 case 527:
21 return SYNO_DS109_ID;
22 case 3036:
23 return SYNO_AXP_4BAY_2BAY;
24 }
25 #endif
26 return 0;
27 }
28
usb_port_modes(void)29 static unsigned int usb_port_modes(void)
30 {
31 unsigned int i, ret = 0;
32 char var[32], *val;
33
34 for (i = 0; i < USBPORT_MAX; i++) {
35 snprintf(var, 32, "usb%dMode", i);
36 val = env_get(var);
37
38 if (!val || strcasecmp(val, "host"))
39 continue;
40
41 ret |= 1 << i;
42 }
43 return ret;
44 }
45
46 /* Support old kernels */
setup_board_tags(struct tag ** in_params)47 void setup_board_tags(struct tag **in_params)
48 {
49 struct tag_mv_uboot *t;
50 struct tag *params;
51 int i;
52
53 debug("Synology board tags...\n");
54
55 params = *in_params;
56 t = (struct tag_mv_uboot *)¶ms->u;
57
58 t->uboot_version = VER_NUM | syno_board_id();
59 t->tclk = CONFIG_SYS_TCLK;
60 t->sysclk = CONFIG_SYS_TCLK * 2;
61 t->isusbhost = usb_port_modes();
62
63 for (i = 0; i < ETHADDR_MAX; i++) {
64 char addrvar[16], mtuvar[16];
65
66 sprintf(addrvar, i ? "eth%daddr" : "ethaddr", i);
67 sprintf(mtuvar, i ? "eth%dmtu" : "ethmtu", i);
68
69 eth_env_get_enetaddr(addrvar, t->macaddr[i]);
70 t->mtu[i] = env_get_ulong(mtuvar, 10, 0);
71 }
72
73 params->hdr.tag = ATAG_MV_UBOOT;
74 params->hdr.size = tag_size(tag_mv_uboot);
75 params = tag_next(params);
76 *in_params = params;
77 }
78