blob: 86b89bd920496f97063f86815ce5d80e7c95fc04 (
plain)
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
|
#include <string.h>
#include <console/console.h>
#include <usbdebug_direct.h>
#include <pc80/mc146818rtc.h>
struct ehci_debug_info dbg_info;
void set_ehci_base(unsigned ehci_base)
{
unsigned diff;
if(!dbg_info.ehci_debug) return;
diff = dbg_info.ehci_caps - ehci_base;
dbg_info.ehci_regs -= diff;
dbg_info.ehci_debug -= diff;
dbg_info.ehci_caps = ehci_base;
}
void set_ehci_debug(unsigned ehci_debug)
{
dbg_info.ehci_debug = ehci_debug;
}
unsigned get_ehci_debug(void)
{
return dbg_info.ehci_debug;
}
static void dbgp_init(void)
{
struct ehci_debug_info *dbg_infox;
dbg_infox = (struct ehci_debug_info *)((CONFIG_LB_MEM_TOPK<<10) - sizeof (struct ehci_debug_info)); //in RAM
memcpy(&dbg_info, dbg_infox, sizeof(struct ehci_debug_info) );
}
static void dbgp_tx_byte(unsigned char data)
{
if(dbg_info.ehci_debug)
dbgp_bulk_write_x(&dbg_info,&data,1);
}
static unsigned char dbgp_rx_byte(void)
{
unsigned char data = 0xff;
if(dbg_info.ehci_debug)
dbgp_bulk_read_x(&dbg_info,&data,1);
return data;
}
static int dbgp_tst_byte(void)
{
return dbg_info.ehci_debug;
}
static const struct console_driver usbdebug_direct_console __console = {
.init = dbgp_init,
.tx_byte = dbgp_tx_byte,
.rx_byte = dbgp_rx_byte,
.tst_byte = dbgp_tst_byte,
};
|
