GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/plat/marvell/armada/common/marvell_console.c

@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <assert.h>
+
+#include <platform_def.h>
+
+#include <common/debug.h>
+#include <drivers/console.h>
+
+#include <plat_marvell.h>
+
+#ifdef PLAT_a3700
+#include <drivers/marvell/uart/a3700_console.h>
+#define PLAT_MARVELL_UART_CLK_IN_HZ (get_ref_clk() * 1000000)
+#define console_marvell_register console_a3700_register
+#else
+#include <drivers/ti/uart/uart_16550.h>
+#define console_marvell_register console_16550_register
+#endif
+
+static console_t marvell_boot_console;
+static console_t marvell_runtime_console;
+
+/*******************************************************************************
+ * Functions that set up the console
+ ******************************************************************************/
+
+/* Initialize the console to provide early debug support */
+void marvell_console_boot_init(void)
+{
+	int rc =
+	console_marvell_register(PLAT_MARVELL_UART_BASE,
+				 PLAT_MARVELL_UART_CLK_IN_HZ,
+				 MARVELL_CONSOLE_BAUDRATE,
+				 &marvell_boot_console);
+	if (rc == 0) {
+		/*
+		 * The crash console doesn't use the multi console API, it uses
+		 * the core console functions directly. It is safe to call panic
+		 * and let it print debug information.
+		 */
+		panic();
+	}
+
+	console_set_scope(&marvell_boot_console, CONSOLE_FLAG_BOOT);
+}
+
+void marvell_console_boot_end(void)
+{
+	console_flush();
+
+	(void)console_unregister(&marvell_boot_console);
+}
+
+/* Initialize the runtime console */
+void marvell_console_runtime_init(void)
+{
+	int rc =
+	console_marvell_register(PLAT_MARVELL_UART_BASE,
+				 PLAT_MARVELL_UART_CLK_IN_HZ,
+				 MARVELL_CONSOLE_BAUDRATE,
+				 &marvell_runtime_console);
+	if (rc == 0)
+		panic();
+
+	console_set_scope(&marvell_runtime_console, CONSOLE_FLAG_RUNTIME);
+}
+
+void marvell_console_runtime_end(void)
+{
+	console_flush();
+
+	(void)console_unregister(&marvell_runtime_console);
+}