1 From 28b11a8b1258214b3b5d58bb6e3bbcb0fc9fd4fe Mon Sep 17 00:00:00 2001
2 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
3 Date: Thu, 31 Jul 2014 07:28:05 +0200
4 Subject: [PATCH] ARM: BCM5301X: add restart support
6 Content-Type: text/plain; charset=UTF-8
7 Content-Transfer-Encoding: 8bit
9 Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
11 arch/arm/mach-bcm/bcm_5301x.c | 31 +++++++++++++++++++++++++++++++
12 1 file changed, 31 insertions(+)
14 diff --git a/arch/arm/mach-bcm/bcm_5301x.c b/arch/arm/mach-bcm/bcm_5301x.c
15 index edff697..e349897 100644
16 --- a/arch/arm/mach-bcm/bcm_5301x.c
17 +++ b/arch/arm/mach-bcm/bcm_5301x.c
19 #include <asm/siginfo.h>
20 #include <asm/signal.h>
22 +#include <linux/bcma/bcma.h>
24 static bool first_fault = true;
26 +static struct bcma_bus *bcm5301x_get_bcma_bus(void)
28 + struct device_node *np;
29 + struct platform_device *pdev;
31 + np = of_find_compatible_node(NULL, NULL, "brcm,bus-aix");
35 + pdev = of_find_device_by_node(np);
39 + return platform_get_drvdata(pdev);
42 static int bcm5301x_abort_handler(unsigned long addr, unsigned int fsr,
45 @@ -49,6 +66,19 @@ static void __init bcm5301x_dt_init(void)
46 of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
49 +static void bcm5301x_restart(enum reboot_mode mode, const char *cmd)
51 + struct bcma_bus *bus = bcm5301x_get_bcma_bus();
54 + bcma_chipco_watchdog_timer_set(&bus->drv_cc, 1);
56 + pr_warn("Unable to access bcma bus\n");
62 static const char __initconst *bcm5301x_dt_compat[] = {
65 @@ -57,5 +87,6 @@ static const char __initconst *bcm5301x_dt_compat[] = {
66 DT_MACHINE_START(BCM5301X, "BCM5301X")
67 .init_early = bcm5301x_init_early,
68 .init_machine = bcm5301x_dt_init,
69 + .restart = bcm5301x_restart,
70 .dt_compat = bcm5301x_dt_compat,