blob: d56ab7a56e719e566cbff7ce9215aebd962cd406 (
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
|
/* SPDX-License-Identifier: GPL-2.0-only */
#include <commonlib/helpers.h>
#include <console/console.h>
#include <delay.h>
#include <types.h>
#include "raminit_native.h"
#include "raminit_common.h"
#include "raminit_tables.h"
#include "sandybridge.h"
/* FIXME: no support for 3-channel chipsets */
/* Number of programmed IOSAV subsequences. */
static unsigned int ssq_count = 0;
void iosav_write_sequence(const int ch, const struct iosav_ssq *seq, const unsigned int length)
{
for (unsigned int i = 0; i < length; i++) {
MCHBAR32(IOSAV_n_SP_CMD_CTRL_ch(ch, i)) = seq[i].sp_cmd_ctrl.raw;
MCHBAR32(IOSAV_n_SUBSEQ_CTRL_ch(ch, i)) = seq[i].subseq_ctrl.raw;
MCHBAR32(IOSAV_n_SP_CMD_ADDR_ch(ch, i)) = seq[i].sp_cmd_addr.raw;
MCHBAR32(IOSAV_n_ADDR_UPDATE_ch(ch, i)) = seq[i].addr_update.raw;
}
ssq_count = length;
}
void iosav_run_queue(const int ch, const u8 loops, const u8 as_timer)
{
/* Should never happen */
if (ssq_count == 0)
return;
MCHBAR32(IOSAV_SEQ_CTL_ch(ch)) = loops | ((ssq_count - 1) << 18) | (as_timer << 22);
}
void iosav_run_once(const int ch)
{
iosav_run_queue(ch, 1, 0);
}
void wait_for_iosav(int channel)
{
while (1) {
if (MCHBAR32(IOSAV_STATUS_ch(channel)) & 0x50)
return;
}
}
|
