rcar_gen3: drivers: console
Signed-off-by: ldts <jramirez@baylibre.com>
diff --git a/drivers/renesas/rcar/console/rcar_console.S b/drivers/renesas/rcar/console/rcar_console.S
new file mode 100644
index 0000000..e3c7363
--- /dev/null
+++ b/drivers/renesas/rcar/console/rcar_console.S
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2018, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+
+ .globl console_init
+ .globl console_putc
+ .globl console_uninit
+ .globl console_core_init
+ .globl console_core_putc
+ .globl console_core_getc
+ .globl console_flush
+
+ .extern rcar_log_init
+ .extern rcar_set_log_data
+
+ /* -----------------------------------------------
+ * int console_core_init(unsigned long base_addr,
+ * unsigned int uart_clk, unsigned int baud_rate)
+ * Function to initialize the log area. This
+ * function will be accessed by console_init and
+ * crash reporting.
+ * Return 1 on SUCCESS, 0 on error
+ * In: x0 - Not used
+ * w1 - Not used
+ * w2 - Not used
+ * -----------------------------------------------
+ */
+func console_core_init
+ b rcar_log_init
+endfunc console_core_init
+func console_init
+ b console_core_init
+endfunc console_init
+
+ /* --------------------------------------------------------
+ * int console_core_putc(int c, unsigned long base_addr)
+ * Function to output a character over the log area.
+ * Return 1 on SUCCESS, 0 on error
+ * In : w0 - Not used
+ * x1 - Not used
+ * --------------------------------------------------------
+ */
+func console_core_putc
+ b rcar_set_log_data
+endfunc console_core_putc
+func console_putc
+ b console_core_putc
+endfunc console_putc
+
+ /* ---------------------------------------------
+ * int console_core_getc(unsigned long base_addr)
+ * Function to get a character from the console.
+ * It returns the character grabbed on success
+ * or -1 on error.
+ * In : x0 - console base address
+ * Clobber list : x0, x1
+ * ---------------------------------------------
+ */
+func console_core_getc
+ ret
+endfunc console_core_getc
+
+ /* -----------------------------------------------
+ * void console_uninit(void)
+ * Function to finish the use of console driver.
+ * -----------------------------------------------
+ */
+func console_uninit
+ ret
+endfunc console_uninit
+
+ /* ---------------------------------------------
+ * int console_flush(void)
+ * Function to force a write of all buffered
+ * data that hasn't been output. It returns 0
+ * upon successful completion, otherwise it
+ * returns -1.
+ * Clobber list : x0, x1
+ * ---------------------------------------------
+ */
+func console_flush
+ mov w0, #0
+ ret
+endfunc console_flush