diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-3.18/131-ARM-BCM5301X-add-restart-support.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-3.18/131-ARM-BCM5301X-add-restart-support.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-3.18/131-ARM-BCM5301X-add-restart-support.patch b/target/linux/bcm53xx/patches-3.18/131-ARM-BCM5301X-add-restart-support.patch new file mode 100644 index 0000000000..a977116a53 --- /dev/null +++ b/target/linux/bcm53xx/patches-3.18/131-ARM-BCM5301X-add-restart-support.patch @@ -0,0 +1,69 @@ +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 |