@@ -12,9 +12,26 @@
#include <asm/siginfo.h>
#include <asm/signal.h>
+#include <linux/bcma/bcma.h>
static bool first_fault = true;
+static struct bcma_bus *bcm5301x_get_bcma_bus(void)
+{
+ struct device_node *np;
+ struct platform_device *pdev;
+
+ np = of_find_compatible_node(NULL, NULL, "brcm,bus-axi");
+ if (!np)
+ return NULL;
+
+ pdev = of_find_device_by_node(np);
+ if (!pdev)
+ return NULL;
+
+ return platform_get_drvdata(pdev);
+}
+
static int bcm5301x_abort_handler(unsigned long addr, unsigned int fsr,
struct pt_regs *regs)
{
@@ -43,6 +60,19 @@ static void __init bcm5301x_init_early(void)
"imprecise external abort");
}
+static void bcm5301x_restart(enum reboot_mode mode, const char *cmd)
+{
+ struct bcma_bus *bus = bcm5301x_get_bcma_bus();
+
+ if (bus)
+ bcma_chipco_watchdog_timer_set(&bus->drv_cc, 1);
+ else
+ pr_warn("Unable to access bcma bus\n");
+
+ while (1)
+ ;
+}
+
static const char __initconst *bcm5301x_dt_compat[] = {
"brcm,bcm4708",
NULL,
@@ -52,5 +82,6 @@ DT_MACHINE_START(BCM5301X, "BCM5301X")
.l2c_aux_val = 0,
.l2c_aux_mask = ~0,
.init_early = bcm5301x_init_early,
+ .restart = bcm5301x_restart,
.dt_compat = bcm5301x_dt_compat,
MACHINE_END