7fc9bb1aca
This adds initial support for kernel 3.18. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> SVN-Revision: 43097
69 lines
1.7 KiB
Diff
69 lines
1.7 KiB
Diff
From 28b11a8b1258214b3b5d58bb6e3bbcb0fc9fd4fe Mon Sep 17 00:00:00 2001
|
|
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
|
|
Date: Thu, 31 Jul 2014 07:28:05 +0200
|
|
Subject: [PATCH] ARM: BCM5301X: add restart support
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
|
|
---
|
|
arch/arm/mach-bcm/bcm_5301x.c | 31 +++++++++++++++++++++++++++++++
|
|
1 file changed, 31 insertions(+)
|
|
|
|
--- a/arch/arm/mach-bcm/bcm_5301x.c
|
|
+++ b/arch/arm/mach-bcm/bcm_5301x.c
|
|
@@ -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(v
|
|
"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
|