Contributors: 6
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Markus Mayer |
162 |
73.97% |
5 |
35.71% |
| Christian Daudt |
44 |
20.09% |
4 |
28.57% |
| Wen Yang |
5 |
2.28% |
1 |
7.14% |
| Alex Elder |
5 |
2.28% |
2 |
14.29% |
| Thomas Gleixner |
2 |
0.91% |
1 |
7.14% |
| Rob Herring |
1 |
0.46% |
1 |
7.14% |
| Total |
219 |
|
14 |
|
// SPDX-License-Identifier: GPL-2.0-only
// Copyright (C) 2012-2014 Broadcom Corporation
#include <linux/clocksource.h>
#include <linux/of_address.h>
#include <asm/mach/arch.h>
#include "kona_l2_cache.h"
#define SECWDOG_OFFSET 0x00000000
#define SECWDOG_RESERVED_MASK 0xe2000000
#define SECWDOG_WD_LOAD_FLAG_MASK 0x10000000
#define SECWDOG_EN_MASK 0x08000000
#define SECWDOG_SRSTEN_MASK 0x04000000
#define SECWDOG_CLKS_SHIFT 20
#define SECWDOG_COUNT_SHIFT 0
static void bcm281xx_restart(enum reboot_mode mode, const char *cmd)
{
uint32_t val;
void __iomem *base;
struct device_node *np_wdog;
np_wdog = of_find_compatible_node(NULL, NULL, "brcm,kona-wdt");
if (!np_wdog) {
pr_emerg("Couldn't find brcm,kona-wdt\n");
return;
}
base = of_iomap(np_wdog, 0);
of_node_put(np_wdog);
if (!base) {
pr_emerg("Couldn't map brcm,kona-wdt\n");
return;
}
/* Enable watchdog with short timeout (244us). */
val = readl(base + SECWDOG_OFFSET);
val &= SECWDOG_RESERVED_MASK | SECWDOG_WD_LOAD_FLAG_MASK;
val |= SECWDOG_EN_MASK | SECWDOG_SRSTEN_MASK |
(0x15 << SECWDOG_CLKS_SHIFT) |
(0x8 << SECWDOG_COUNT_SHIFT);
writel(val, base + SECWDOG_OFFSET);
/* Wait for reset */
while (1);
}
static void __init bcm281xx_init(void)
{
kona_l2_cache_init();
}
static const char * const bcm281xx_dt_compat[] = {
"brcm,bcm11351", /* Have to use the first number upstreamed */
NULL,
};
DT_MACHINE_START(BCM281XX_DT, "BCM281xx Broadcom Application Processor")
.init_machine = bcm281xx_init,
.restart = bcm281xx_restart,
.dt_compat = bcm281xx_dt_compat,
MACHINE_END