blob: f5c2eaa808a3a0ccf7c0fbf22e06a4204d3908df (
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
|
/*
* Copyright (C) Marvell International Ltd. and its affiliates
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
*
* Copyright (C) 2015 Stefan Roese <sr@denx.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <asm/arch/soc.h>
DECLARE_GLOBAL_DATA_PTR;
#define TIMER_LOAD_VAL 0xffffffff
static int init_done __attribute__((section(".data"))) = 0;
/*
* Timer initialization
*/
int timer_init(void)
{
/* Only init the timer once */
if (init_done)
return 0;
init_done = 1;
/* load value into timer */
writel(TIMER_LOAD_VAL, MVEBU_TIMER_BASE + 0x10);
writel(TIMER_LOAD_VAL, MVEBU_TIMER_BASE + 0x14);
#if defined(CONFIG_ARCH_MVEBU)
/* On Armada XP / 38x ..., the 25MHz clock source needs to be enabled */
setbits_le32(MVEBU_TIMER_BASE + 0x00, BIT(11));
#endif
/* enable timer in auto reload mode */
setbits_le32(MVEBU_TIMER_BASE + 0x00, 0x3);
return 0;
}
|
