Add Broadcom / Netgear changes from RAXE 1.0.0.48

[project/bcm63xx/u-boot.git] / board / broadcom / bcmbca / reset_button.c

diff --git a/board/broadcom/bcmbca/reset_button.c b/board/broadcom/bcmbca/reset_button.c
new file mode 100644 (file)
index 0000000..ed2618e
--- /dev/null
+++ b/board/broadcom/bcmbca/reset_button.c
@@ -0,0 +1,77 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2020 Broadcom Ltd.
+ */
+
+#include <common.h>
+#include "bcmbca_button.h"
+
+#define DEFAULT_RESET_CMD      "sdk restoredefault;reset"
+
+static void btn_hook_rst_to_dflt(unsigned long time, void *param)
+{
+       if (param) {
+               run_command((char *)param, 0);
+       } else {
+               /* stop the auto boot as the default rst button behavior */
+               run_command(DEFAULT_RESET_CMD, 0);
+       }
+}
+
+static void btn_hook_reset_release(unsigned long time, void *param)
+{
+       if (param) {
+               run_command((char *)param, 0);
+       }
+}
+
+
+/* 
+ * u-boot button drv uses release event to support multiple press action with
+ * different length of press time. Using the example below, if user press and
+ * hold reset button for more than 5s but less 10s, the default_cmd action
+ * will be taken.  If user press and hold longer than 10s then release, the
+ * recovery action will be taken.  If user press and never release the button,
+ * u-boot boot will stuck and wait for user to release the botton
+ *
+ * User can add more action items with different wait length. Button drv 
+ * enumerate all of them when registering action for release event.
+ *
+ * If release action is not specified, it fallbacks to hold rst_to_dflt action
+ * 
+ *             reset_button {
+ *                     press {
+ *                             print = "Button Press -- Hold for 5s to do restore to default";
+ *                     };
+ *                     hold {
+ *                             rst_to_dflt = <5>;
+ *                     };
+ *                     release {
+ *                             reset = <0>;
+ *                             default = < 5>;
+ *                             default_cmd= "sdk restoredfaults ; sdk boot_image";
+ *                             recovery = <10>;
+ *                             recovery_cmd = "setenv ipaddr 192.168.1.1; setenv netmask 255.0.0.0 ; sdk httpd_start ; sdk poll_bg";
+ *                     };      
+ *             };
+ */
+
+int reset_button_init(void)
+{
+       int ret;
+
+       ret = register_button_action_for_event("reset_button", "release", NULL,
+                       btn_hook_reset_release);
+       /* if board does not use release event for the reset button, fallback
+          default hold event */
+       if (ret <= 1) {
+               ret = register_button_action("reset_button", "rst_to_dflt",
+                       btn_hook_rst_to_dflt);
+               if (ret < 0) {
+                       printk("Failed to register rst_to_dflt action rc %d\n", ret);
+                       return -1;
+               }
+       }
+
+       return 0;
+}