#include <env.h>
#include <init.h>
#include <watchdog.h>
+#include <wdt.h>
#include <malloc.h>
#include <twl4030.h>
#include <i2c.h>
static unsigned long int twl_i2c_lock;
/*
- * Routine: hw_watchdog_reset
+ * Routine: rx51_watchdog_reset
* Description: Reset timeout of twl4030 watchdog.
*/
-void hw_watchdog_reset(void)
+static int rx51_watchdog_reset(struct udevice *dev)
{
u8 timeout = 0;
/* do not reset watchdog too often - max every 4s */
if (get_timer(twl_wd_time) < 4 * CONFIG_SYS_HZ)
- return;
+ return 0;
/* localy lock twl4030 i2c bus */
if (test_and_set_bit(0, &twl_i2c_lock))
- return;
+ return 0;
/* read actual watchdog timeout */
twl4030_i2c_read_u8(TWL4030_CHIP_PM_RECEIVER,
/* localy unlock twl4030 i2c bus */
test_and_clear_bit(0, &twl_i2c_lock);
+
+ return 0;
+}
+
+static int rx51_watchdog_start(struct udevice *dev, u64 timeout_ms, ulong flags)
+{
+ return 0;
}
+static int rx51_watchdog_probe(struct udevice *dev)
+{
+ return 0;
+}
+
+static const struct wdt_ops rx51_watchdog_ops = {
+ .start = rx51_watchdog_start,
+ .reset = rx51_watchdog_reset,
+};
+
+U_BOOT_DRIVER(rx51_watchdog) = {
+ .name = "rx51_watchdog",
+ .id = UCLASS_WDT,
+ .ops = &rx51_watchdog_ops,
+ .probe = rx51_watchdog_probe,
+};
+
/*
* TWL4030 keypad handler for cfb_console
*/
{ "i2c_omap", &rx51_i2c[1] },
{ "i2c_omap", &rx51_i2c[2] },
};
+
+U_BOOT_DRVINFOS(rx51_watchdog) = {
+ { "rx51_watchdog" },
+};