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authorHauke Mehrtens <hauke@openwrt.org>2014-07-31 21:43:40 +0000
committerHauke Mehrtens <hauke@openwrt.org>2014-07-31 21:43:40 +0000
commit495d520425437e3b73785a5d318b77f342833deb (patch)
tree4b54e3074de995a17a871a074b2c428c86ab53c9 /target/linux
parent7a4fa1b0a7cedac12015168572aed39f263e2964 (diff)
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bcm53xx: add restart support
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41912 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux')
-rw-r--r--target/linux/bcm53xx/patches-3.14/131-ARM-BCM5301X-add-restart-support.patch74
1 files changed, 74 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-3.14/131-ARM-BCM5301X-add-restart-support.patch b/target/linux/bcm53xx/patches-3.14/131-ARM-BCM5301X-add-restart-support.patch
new file mode 100644
index 0000000000..7fdbaa3853
--- /dev/null
+++ b/target/linux/bcm53xx/patches-3.14/131-ARM-BCM5301X-add-restart-support.patch
@@ -0,0 +1,74 @@
+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(+)
+
+diff --git a/arch/arm/mach-bcm/bcm_5301x.c b/arch/arm/mach-bcm/bcm_5301x.c
+index edff697..e349897 100644
+--- 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-aix");
++ 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)
+ {
+@@ -49,6 +66,19 @@ static void __init bcm5301x_dt_init(void)
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+ }
+
++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,
+@@ -57,5 +87,6 @@ static const char __initconst *bcm5301x_dt_compat[] = {
+ DT_MACHINE_START(BCM5301X, "BCM5301X")
+ .init_early = bcm5301x_init_early,
+ .init_machine = bcm5301x_dt_init,
++ .restart = bcm5301x_restart,
+ .dt_compat = bcm5301x_dt_compat,
+ MACHINE_END
+--
+1.8.4.5
+