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
|
// SPDX-License-Identifier: GPL-2.0-only
#define pr_fmt(fmt) "rk3568-r2pro: " fmt
#include <common.h>
#include <init.h>
#include <mach/bbu.h>
#include <aiodev.h>
#include <bootsource.h>
#include <environment.h>
#include <globalvar.h>
#include <magicvar.h>
#include <deep-probe.h>
static bool machine_is_bpi_r2pro = false;
static int rk3568_bpi_r2pro_probe(struct device_d *dev)
{
enum bootsource bootsource = bootsource_get();
int instance = bootsource_get_instance();
barebox_set_model("BPI R2PRO");
barebox_set_hostname("bpi-r2pro");
machine_is_bpi_r2pro = true;
if (bootsource == BOOTSOURCE_MMC && instance == 1)
of_device_enable_path("/chosen/environment-sd");
else
of_device_enable_path("/chosen/environment-emmc");
rk3568_bbu_mmc_register("emmc", BBU_HANDLER_FLAG_DEFAULT, "/dev/emmc");
rk3568_bbu_mmc_register("sd", 0, "/dev/sd");
return 0;
}
static const struct of_device_id rk3568_bpi_r2pro_of_match[] = {
{ .compatible = "rockchip,rk3568-bpi-r2pro" },
{ /* Sentinel */},
};
static struct driver_d rk3568_bpi_r2pro_board_driver = {
.name = "board-rk3568-bpi-r2pro",
.probe = rk3568_bpi_r2pro_probe,
.of_compatible = rk3568_bpi_r2pro_of_match,
};
coredevice_platform_driver(rk3568_bpi_r2pro_board_driver);
BAREBOX_DEEP_PROBE_ENABLE(rk3568_bpi_r2pro_of_match);
static int rk3568_bpi_r2pro_detect_hwid(void)
{
int ret;
int hwid_voltage;
struct aiochannel *hwid_chan;
char *hwid;
if (!IS_ENABLED(CONFIG_AIODEV))
return 0;
if (!machine_is_bpi_r2pro)
return 0;
hwid_chan = aiochannel_by_name("aiodev0.in_value1_mV");
if (IS_ERR(hwid_chan)) {
ret = PTR_ERR(hwid_chan);
goto err_hwid;
}
ret = aiochannel_get_value(hwid_chan, &hwid_voltage);
if (ret)
goto err_hwid;
pr_info("hwid_voltage: %d\n", hwid_voltage);
if (hwid_voltage == 1800)
hwid = "V00";
else
hwid = "unknown";
pr_info("Detected RK3568 BananaPi R2 Pro %s\n", hwid);
globalvar_add_simple("board.hwid", hwid);
return 0;
err_hwid:
pr_err("couldn't retrieve hardware ID\n");
return ret;
}
late_initcall(rk3568_bpi_r2pro_detect_hwid);
BAREBOX_MAGICVAR(global.board.hwid, "The board hardware ID");
|