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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <device/mmio.h>
#include <soc/addressmap.h>
#include <soc/lastbus.h>
static unsigned long preisys_dump_offset[] = {
0x500, /* PERIBUS_DBG0 */
0x504, /* PERIBUS_DBG1 */
0x508, /* PERIBUS_DBG2 */
0x50C, /* PERIBUS_DBG3 */
0x510, /* PERIBUS_DBG4 */
0x514, /* PERIBUS_DBG5 */
0x518, /* PERIBUS_DBG6 */
0x51C, /* PERIBUS_DBG7 */
0x520, /* PERIBUS_DBG8 */
0x524, /* PERIBUS_DBG9 */
0x528, /* PERIBUS_DBG10 */
0x52C, /* PERIBUS_DBG11 */
0x530, /* PERIBUS_DBG12 */
0x534, /* PERIBUS_DBG13 */
0x538, /* PERIBUS_DBG14 */
0x53C, /* PERIBUS_DBG15 */
0x580, /* PERIBUS_DBG16 */
0x584, /* PERIBUS_DBG17 */
};
static void lastbus_setup(void)
{
/* peri lastbus init */
write32p(PERICFG_BASE + BUS_PERI_R0, PERISYS_TIMEOUT);
write32p(PERICFG_BASE + BUS_PERI_R1, PERISYS_ENABLE);
/* infra lastbus init */
write32p(INFRACFG_AO_BASE + BUS_INFRA_CTRL, INFRASYS_CONFIG);
}
static void lastbus_dump(void)
{
unsigned int i;
uintptr_t reg;
if (read32p(INFRACFG_AO_BASE + BUS_INFRA_CTRL) & 0x1) {
printk(BIOS_DEBUG, "** Dump lastbus infra debug registers start **\n");
for (i = 0; i < INFRA_NUM; i++) {
reg = INFRACFG_AO_BASE + BUS_INFRA_SNAPSHOT + 4 * i;
printk(BIOS_DEBUG, "%08x\n", read32p(reg));
}
}
if (read32p(PERICFG_BASE + BUS_PERI_R1) & 0x1) {
printk(BIOS_DEBUG, "** Dump lastbus peri debug registers start **\n");
for (i = 0; i < PERI_NUM; i++) {
reg = PERICFG_BASE + preisys_dump_offset[i];
printk(BIOS_DEBUG, "%08x\n", read32p(reg));
}
}
}
void lastbus_init(void)
{
lastbus_dump();
lastbus_setup();
}
|
