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-rw-r--r--target/linux/cns3xxx/patches-3.3/002-cns3xxx_wdt.patch69
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/cns3xxx/patches-3.3/002-cns3xxx_wdt.patch b/target/linux/cns3xxx/patches-3.3/002-cns3xxx_wdt.patch
new file mode 100644
index 0000000000..d013334267
--- /dev/null
+++ b/target/linux/cns3xxx/patches-3.3/002-cns3xxx_wdt.patch
@@ -0,0 +1,69 @@
+1. Made the connection between CNS3xxx SOCs(ARCH_CNS3xxx) and MPcore watchdog
+ since the CNS3xxx SOCs have ARM11 MPcore CPU.
+2. Enable mpcore_watchdog option as module to default configuration at
+ arch/arm/configs/cns3420vb_defconfig.
+
+Signed-off-by: Tommy Lin <tommy.lin@caviumnetworks.com>
+
+---
+arch/arm/Kconfig | 1 +
+ arch/arm/configs/cns3420vb_defconfig | 2 ++
+ arch/arm/mach-cns3xxx/cns3420vb.c | 22 ++++++++++++++++++++++
+ 3 files changed, 25 insertions(+), 0 deletions(-)
+
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -372,6 +372,7 @@ config ARCH_CNS3XXX
+ select MIGHT_HAVE_CACHE_L2X0
+ select MIGHT_HAVE_PCI
+ select PCI_DOMAINS if PCI
++ select HAVE_ARM_TWD
+ help
+ Support for Cavium Networks CNS3XXX platform.
+
+--- a/arch/arm/configs/cns3420vb_defconfig
++++ b/arch/arm/configs/cns3420vb_defconfig
+@@ -53,6 +53,8 @@ CONFIG_LEGACY_PTY_COUNT=16
+ # CONFIG_HW_RANDOM is not set
+ # CONFIG_HWMON is not set
+ # CONFIG_VGA_CONSOLE is not set
++CONFIG_WATCHDOG=y
++CONFIG_MPCORE_WATCHDOG=m
+ # CONFIG_HID_SUPPORT is not set
+ # CONFIG_USB_SUPPORT is not set
+ CONFIG_MMC=y
+--- a/arch/arm/mach-cns3xxx/cns3420vb.c
++++ b/arch/arm/mach-cns3xxx/cns3420vb.c
+@@ -159,10 +159,32 @@ static struct platform_device cns3xxx_us
+ },
+ };
+
++/* Watchdog */
++static struct resource cns3xxx_watchdog_resources[] = {
++ [0] = {
++ .start = CNS3XXX_TC11MP_TWD_BASE,
++ .end = CNS3XXX_TC11MP_TWD_BASE + PAGE_SIZE - 1,
++ .flags = IORESOURCE_MEM,
++ },
++ [1] = {
++ .start = IRQ_LOCALWDOG,
++ .end = IRQ_LOCALWDOG,
++ .flags = IORESOURCE_IRQ,
++ }
++};
++
++static struct platform_device cns3xxx_watchdog_device = {
++ .name = "mpcore_wdt",
++ .id = -1,
++ .num_resources = ARRAY_SIZE(cns3xxx_watchdog_resources),
++ .resource = cns3xxx_watchdog_resources,
++};
++
+ /*
+ * Initialization
+ */
+ static struct platform_device *cns3420_pdevs[] __initdata = {
++ &cns3xxx_watchdog_device,
+ &cns3420_nor_pdev,
+ &cns3xxx_usb_ehci_device,
+ &cns3xxx_usb_ohci_device,