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Diffstat (limited to 'target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c')
-rw-r--r--target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c b/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c
index 3936ee7a4..7d41b079a 100644
--- a/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c
+++ b/target/linux/ramips/files/arch/mips/ralink/rt305x/devices.c
@@ -189,3 +189,31 @@ void __init rt305x_register_wifi(void)
{
platform_device_register(&rt305x_wifi_device);
}
+
+static struct resource rt305x_wdt_resources[] = {
+ {
+ .start = RT305X_TIMER_BASE,
+ .end = RT305X_TIMER_BASE + RT305X_TIMER_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device rt305x_wdt_device = {
+ .name = "ramips-wdt",
+ .id = -1,
+ .resource = rt305x_wdt_resources,
+ .num_resources = ARRAY_SIZE(rt305x_wdt_resources),
+};
+
+void __init rt305x_register_wdt(void)
+{
+ u32 t;
+
+ /* enable WDT reset output on pin SRAM_CS_N */
+ t = rt305x_sysc_rr(SYSC_REG_SYSTEM_CONFIG);
+ t |= SYSTEM_CONFIG_SRAM_CS0_MODE_WDT <<
+ SYSTEM_CONFIG_SRAM_CS0_MODE_SHIFT;
+ rt305x_sysc_wr(t, SYSC_REG_SYSTEM_CONFIG);
+
+ platform_device_register(&rt305x_wdt_device);
+}