nxp:add console driver for nxp platform
NXP SoCs, supports two types of UART controller:
- PL011 - using ARM drivers sources
- 16550 - using TI drivers source
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: Iacbcefd2b6e5d96f83fa00ad25b4f63a4c822bb4
diff --git a/drivers/nxp/console/plat_console.h b/drivers/nxp/console/plat_console.h
new file mode 100644
index 0000000..8b1b23a
--- /dev/null
+++ b/drivers/nxp/console/plat_console.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef PLAT_CONSOLE_H
+#define PLAT_CONSOLE_H
+
+#include <stdint.h>
+#include <drivers/console.h>
+
+#if (NXP_CONSOLE == NS16550)
+/*
+ * NXP specific UART - 16550 configuration
+ *
+ * Initialize a NXP 16550 console instance and register it with the console
+ * framework. The |console| pointer must point to storage that will be valid
+ * for the lifetime of the console, such as a global or static local variable.
+ * Its contents will be reinitialized from scratch.
+ * When |clock| has a value of 0, the UART will *not* be initialised. This
+ * means the UART should already be enabled and the baudrate and clock setup
+ * should have been done already, either by platform specific code or by
+ * previous firmware stages. The |baud| parameter will be ignored in this
+ * case as well.
+ */
+int nxp_console_16550_register(uintptr_t baseaddr, uint32_t clock,
+ uint32_t baud, console_t *console);
+#endif
+/*
+ * Function to initialize platform's console
+ * and register with console framework
+ */
+void plat_console_init(uintptr_t nxp_console_addr, uint32_t uart_clk_div,
+ uint32_t baud);
+
+#endif