blob: 08496e83d867d6926f80a614de8adf7a920e2b65 (
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
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* This file is created based on MT8196 Functional Specification
* Chapter number: 1.2 2.2
*/
#include <device/mmio.h>
#include <soc/addressmap.h>
#include <soc/timer.h>
static void clear_systimer(struct systimer *const mtk_systimer)
{
unsigned int id = 0;
for (id = 0; id < SYSTIMER_CNT; id++) {
u32 *cnttval_con = &mtk_systimer->cnttval[id].con;
WRITE32_BITFIELDS(cnttval_con, SYST_CON, SYST_CON_EN);
SET32_BITFIELDS(cnttval_con, SYST_CON, SYST_CON_IRQ_CLR);
WRITE32_BITFIELDS(cnttval_con, SYST_CON, SYST_CON_CLR);
}
SET32_BITFIELDS(&mtk_systimer->cntcr, REV_SET, REV_CLR_EN);
}
void timer_prepare(void)
{
struct systimer *mtk_systimer = (void *)SYSTIMER_BASE;
SET32_BITFIELDS(&mtk_systimer->cntcr,
COMP_FEATURE, COMP_FEATURE_CLR | COMP_FEATURE_20_EN,
COMP_FEATURE_TIE, COMP_FEATURE_TIE_CLR | COMP_FEATURE_TIE_EN);
clear_systimer(mtk_systimer);
}
|
