cregit-Linux how code gets into the kernel

Release 4.7 arch/arm/mach-bcm/board_bcm281xx.c

/*
 * Copyright (C) 2012-2014 Broadcom Corporation
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/clocksource.h>
#include <linux/of_address.h>
#include <linux/of_platform.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); 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); }

Contributors

PersonTokensPropCommitsCommitProp
markus mayermarkus mayer123100.00%2100.00%
Total123100.00%2100.00%


static void __init bcm281xx_init(void) { of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); kona_l2_cache_init(); }

Contributors

PersonTokensPropCommitsCommitProp
christian daudtchristian daudt2191.30%250.00%
markus mayermarkus mayer14.35%125.00%
pawel mollpawel moll14.35%125.00%
Total23100.00%4100.00%

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

Overall Contributors

PersonTokensPropCommitsCommitProp
markus mayermarkus mayer16271.37%535.71%
christian daudtchristian daudt5825.55%535.71%
alex elderalex elder52.20%214.29%
rob herringrob herring10.44%17.14%
pawel mollpawel moll10.44%17.14%
Total227100.00%14100.00%
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