V1.0.6

bsp/examples_bare/test-se-pm/test_pm_mbox.c

@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2022-2023, ArtInChip Technology Co., Ltd
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ */
+#include "aic_core.h"
+#include "console.h"
+#include "hal_wdt.h"
+#include <wdt.h>
+#include "hal_mailbox.h"
+#include "rpmsg_aic.h"
+
+extern void aic_se_suspend_and_resume(void);
+
+static char g_name[8] = "sess";
+static u32 g_mbox_regs = SE_MBOX_SE2CS_BASE;
+static volatile u32 check_idle = 0;
+static volatile u32 standby_request = 0;
+static u32 g_send_data = 0;
+
+static void pm_mbox_recv_cb(u32 *data, u32 len)
+{
+    struct aic_rpmsg *msg = (struct aic_rpmsg *)data;
+
+    data[len] = 0;
+    printf("\n%s: Recv cmd 0x%x, seq %d, data len %d Word\n",
+           g_name, msg->cmd, msg->seq, msg->len);
+
+    if (msg->cmd == RPMSG_CMD_IS_IDLE)
+        check_idle = 1;
+    if (msg->cmd == RPMSG_CMD_PRE_STANDBY)
+        standby_request = 1;
+}
+
+static void pm_mbox_send_msg(u16 cmd)
+{
+    struct aic_rpmsg msg;
+
+    memset(&msg, 0, sizeof(struct aic_rpmsg));
+    msg.cmd = cmd;
+    memcpy(&g_send_data, &msg, 4);
+
+    printf("%s: Resp cmd 0x%x, seq %d, data len %d Word",
+           g_name, msg.cmd, msg.seq, msg.len);
+
+    hal_mbox_wr_cmp(g_mbox_regs, g_send_data);
+}
+
+static int cmd_pm_mbox(int argc, char **argv)
+{
+    aicos_request_irq(MBOX_SE2CS_IRQn, hal_mbox_isr, 0, NULL, &g_mbox_regs);
+    hal_mbox_set_cb(pm_mbox_recv_cb);
+
+    hal_mbox_int_all_en(g_mbox_regs, 1);
+
+    printf("\nWait for msg from master ...\n");
+
+    while (!check_idle)
+    {}
+
+    pm_mbox_send_msg(RPMSG_CMD_ACK);
+
+    while (!standby_request)
+    {}
+
+    check_idle = 0;
+    standby_request = 0;
+
+    //Init watchdog
+    wdt_init();
+    //Only reset SE CPU
+    hal_wdt_rst_type_set(1);
+    //SE watchdog reset SESS after 5 seconds
+    wdt_start(5000);
+
+    //enter suspend
+    aic_se_suspend_and_resume();
+
+    printf("sess resumed\n");
+    wdt_deinit();
+    return 0;
+}
+CONSOLE_CMD(pm_mbox, cmd_pm_mbox, "SE suspend/resume test case");