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

source/trusted-firmware/trusted-firmware-a-2.8/drivers/nxp/console/console_16550.c

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <assert.h>
+
+#include <common/debug.h>
+#include <dcfg.h>
+#include <lib/utils.h>
+#include <plat_console.h>
+
+/*
+ * Perform Arm specific early platform setup. At this moment we only initialize
+ * the console and the memory layout.
+ */
+void plat_console_init(uintptr_t nxp_console_addr, uint32_t uart_clk_div,
+			uint32_t baud)
+{
+	struct sysinfo sys;
+	static console_t nxp_console;
+
+	zeromem(&sys, sizeof(sys));
+	if (get_clocks(&sys)) {
+		ERROR("System clocks are not set\n");
+		panic();
+	}
+	nxp_console_16550_register(nxp_console_addr,
+			      (sys.freq_platform/uart_clk_div),
+			       baud, &nxp_console);
+}