#include <asm/fiq_glue.h>
#endif
+#ifdef CONFIG_FIQ_DEBUGGER_UART_OVERLAY
+#include <linux/of.h>
+#endif
+
#include <linux/uaccess.h>
#include "fiq_debugger.h"
#endif
static bool fiq_kgdb_enable;
+static bool fiq_debugger_disable;
module_param_named(no_sleep, initial_no_sleep, bool, 0644);
module_param_named(debug_enable, initial_debug_enable, bool, 0644);
module_param_named(console_enable, initial_console_enable, bool, 0644);
module_param_named(kgdb_enable, fiq_kgdb_enable, bool, 0644);
+module_param_named(disable, fiq_debugger_disable, bool, 0644);
#ifdef CONFIG_FIQ_DEBUGGER_WAKEUP_IRQ_ALWAYS_ON
static inline
},
};
+#if defined(CONFIG_FIQ_DEBUGGER_UART_OVERLAY)
+int fiq_debugger_uart_overlay(void)
+{
+ struct device_node *onp = of_find_node_by_path("/uart_overlay@0");
+ int ret;
+
+ if (!onp) {
+ pr_err("serial_debugger: uart overlay not found\n");
+ return -ENODEV;
+ }
+
+ ret = of_overlay_create(onp);
+ if (ret < 0) {
+ pr_err("serial_debugger: fail to create overlay: %d\n", ret);
+ of_node_put(onp);
+ return ret;
+ }
+
+ pr_info("serial_debugger: uart overlay applied\n");
+ return 0;
+}
+#endif
+
static int __init fiq_debugger_init(void)
{
+ if (fiq_debugger_disable) {
+ pr_err("serial_debugger: disabled\n");
+ return -ENODEV;
+ }
#if defined(CONFIG_FIQ_DEBUGGER_CONSOLE)
fiq_debugger_tty_init();
+#endif
+#if defined(CONFIG_FIQ_DEBUGGER_UART_OVERLAY)
+ fiq_debugger_uart_overlay();
#endif
return platform_driver_register(&fiq_debugger_driver);
}