Move console drivers to AArch64 folder

This patch moves the various assembly console drivers
into `aarch64` architecture specific folder. Stub files,
which include files from new location, are retained at the
original location for platform compatibility reasons.

Change-Id: I0069b6c1c0489ca47f5204d4e26e3bc3def533a8

2 files changed, 159 insertions, 126 deletions

diff --git a/drivers/ti/uart/16550_console.S b/drivers/ti/uart/16550_console.S
index ebb46151..90b12e5f 100644
--- a/drivers/ti/uart/16550_console.S
+++ b/drivers/ti/uart/16550_console.S
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -28,128 +28,6 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <arch.h>
-#include <asm_macros.S>
-#include <uart_16550.h>
-
-	.globl	console_core_init
-	.globl	console_core_putc
-	.globl	console_core_getc
-
-	/* -----------------------------------------------
-	 * int console_core_init(unsigned long base_addr,
-	 * unsigned int uart_clk, unsigned int baud_rate)
-	 * Function to initialize the console without a
-	 * C Runtime to print debug information. This
-	 * function will be accessed by console_init and
-	 * crash reporting.
-	 * In: x0 - console base address
-	 *     w1 - Uart clock in Hz
-	 *     w2 - Baud rate
-	 * Out: return 1 on success
-	 * Clobber list : x1, x2, x3
-	 * -----------------------------------------------
-	 */
-func console_core_init
-	/* Check the input base address */
-	cbz	x0, init_fail
-	/* Check baud rate and uart clock for sanity */
-	cbz	w1, init_fail
-	cbz	w2, init_fail
-
-	/* Program the baudrate */
-	/* Divisor =  Uart clock / (16 * baudrate) */
-	lsl	w2, w2, #4
-	udiv	w2, w1, w2
-	and	w1, w2, #0xff		/* w1 = DLL */
-	lsr	w2, w2, #8
-	and	w2, w2, #0xff		/* w2 = DLLM */
-	ldr	w3, [x0, #UARTLCR]
-	orr	w3, w3, #UARTLCR_DLAB
-	str	w3, [x0, #UARTLCR]	/* enable DLL, DLLM programming */
-	str	w1, [x0, #UARTDLL]	/* program DLL */
-	str	w2, [x0, #UARTDLLM]	/* program DLLM */
-	mov	w2, #~UARTLCR_DLAB
-	and	w3, w3, w2
-	str	w3, [x0, #UARTLCR]	/* disable DLL, DLLM programming */
-
-	/* 8n1 */
-	mov	w3, #3
-	str	w3, [x0, #UARTLCR]
-	/* no interrupt */
-	mov	w3, #0
-	str	w3, [x0, #UARTIER]
-	/* enable fifo, DMA */
-	mov	w3, #(UARTFCR_FIFOEN | UARTFCR_DMAEN)
-	str	w3, [x0, #UARTFCR]
-	/* DTR + RTS */
-	mov	w3, #3
-	str	w3, [x0, #UARTMCR]
-	mov	w0, #1
-init_fail:
-	ret
-endfunc console_core_init
-
-	/* --------------------------------------------------------
-	 * int console_core_putc(int c, unsigned int base_addr)
-	 * Function to output a character over the console. It
-	 * returns the character printed on success or -1 on error.
-	 * In : w0 - character to be printed
-	 *      x1 - console base address
-	 * Out : return -1 on error else return character.
-	 * Clobber list : x2
-	 * --------------------------------------------------------
-	 */
-func console_core_putc
-	/* Check the input parameter */
-	cbz	x1, putc_error
-
-	/* Prepend '\r' to '\n' */
-	cmp	w0, #0xA
-	b.ne	2f
-	/* Check if the transmit FIFO is full */
-1:	ldr	w2, [x1, #UARTLSR]
-	and	w2, w2, #(UARTLSR_TEMT | UARTLSR_THRE)
-	cmp	w2, #(UARTLSR_TEMT | UARTLSR_THRE)
-	b.ne	1b
-	mov	w2, #0xD		/* '\r' */
-	str	w2, [x1, #UARTTX]
-	ldr	w2, [x1, #UARTFCR]
-	orr	w2, w2, #UARTFCR_TXCLR
-	str	w2, [x1, #UARTFCR]
-
-	/* Check if the transmit FIFO is full */
-2:	ldr	w2, [x1, #UARTLSR]
-	and	w2, w2, #(UARTLSR_TEMT | UARTLSR_THRE)
-	cmp	w2, #(UARTLSR_TEMT | UARTLSR_THRE)
-	b.ne	2b
-	str	w0, [x1, #UARTTX]
-	ldr	w2, [x1, #UARTFCR]
-	orr	w2, w2, #UARTFCR_TXCLR
-	str	w2, [x1, #UARTFCR]
-	ret
-putc_error:
-	mov	w0, #-1
-	ret
-endfunc console_core_putc
-
-	/* ---------------------------------------------
-	 * int console_core_getc(void)
-	 * Function to get a character from the console.
-	 * It returns the character grabbed on success
-	 * or -1 on error.
-	 * In : w0 - console base address
-	 * Out : return -1 on error else return character.
-	 * Clobber list : x0, x1
-	 * ---------------------------------------------
-	 */
-func console_core_getc
-	/* Check if the receive FIFO is empty */
-1:	ldr	w1, [x0, #UARTLSR]
-	tbz	w1, #UARTLSR_RDR, 1b
-	ldr	w0, [x0, #UARTRX]
-	ret
-getc_error:
-	mov	w0, #-1
-	ret
-endfunc console_core_getc
+#if !ERROR_DEPRECATED
+#include "./aarch64/16550_console.S"
+#endif
diff --git a/drivers/ti/uart/aarch64/16550_console.S b/drivers/ti/uart/aarch64/16550_console.S
new file mode 100644
index 00000000..05353814
--- /dev/null
+++ b/drivers/ti/uart/aarch64/16550_console.S
@@ -0,0 +1,155 @@
+/*
+ * Copyright (c) 2015-2016, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <uart_16550.h>
+
+	.globl	console_core_init
+	.globl	console_core_putc
+	.globl	console_core_getc
+
+	/* -----------------------------------------------
+	 * int console_core_init(unsigned long base_addr,
+	 * unsigned int uart_clk, unsigned int baud_rate)
+	 * Function to initialize the console without a
+	 * C Runtime to print debug information. This
+	 * function will be accessed by console_init and
+	 * crash reporting.
+	 * In: x0 - console base address
+	 *     w1 - Uart clock in Hz
+	 *     w2 - Baud rate
+	 * Out: return 1 on success
+	 * Clobber list : x1, x2, x3
+	 * -----------------------------------------------
+	 */
+func console_core_init
+	/* Check the input base address */
+	cbz	x0, init_fail
+	/* Check baud rate and uart clock for sanity */
+	cbz	w1, init_fail
+	cbz	w2, init_fail
+
+	/* Program the baudrate */
+	/* Divisor =  Uart clock / (16 * baudrate) */
+	lsl	w2, w2, #4
+	udiv	w2, w1, w2
+	and	w1, w2, #0xff		/* w1 = DLL */
+	lsr	w2, w2, #8
+	and	w2, w2, #0xff		/* w2 = DLLM */
+	ldr	w3, [x0, #UARTLCR]
+	orr	w3, w3, #UARTLCR_DLAB
+	str	w3, [x0, #UARTLCR]	/* enable DLL, DLLM programming */
+	str	w1, [x0, #UARTDLL]	/* program DLL */
+	str	w2, [x0, #UARTDLLM]	/* program DLLM */
+	mov	w2, #~UARTLCR_DLAB
+	and	w3, w3, w2
+	str	w3, [x0, #UARTLCR]	/* disable DLL, DLLM programming */
+
+	/* 8n1 */
+	mov	w3, #3
+	str	w3, [x0, #UARTLCR]
+	/* no interrupt */
+	mov	w3, #0
+	str	w3, [x0, #UARTIER]
+	/* enable fifo, DMA */
+	mov	w3, #(UARTFCR_FIFOEN | UARTFCR_DMAEN)
+	str	w3, [x0, #UARTFCR]
+	/* DTR + RTS */
+	mov	w3, #3
+	str	w3, [x0, #UARTMCR]
+	mov	w0, #1
+init_fail:
+	ret
+endfunc console_core_init
+
+	/* --------------------------------------------------------
+	 * int console_core_putc(int c, unsigned int base_addr)
+	 * Function to output a character over the console. It
+	 * returns the character printed on success or -1 on error.
+	 * In : w0 - character to be printed
+	 *      x1 - console base address
+	 * Out : return -1 on error else return character.
+	 * Clobber list : x2
+	 * --------------------------------------------------------
+	 */
+func console_core_putc
+	/* Check the input parameter */
+	cbz	x1, putc_error
+
+	/* Prepend '\r' to '\n' */
+	cmp	w0, #0xA
+	b.ne	2f
+	/* Check if the transmit FIFO is full */
+1:	ldr	w2, [x1, #UARTLSR]
+	and	w2, w2, #(UARTLSR_TEMT | UARTLSR_THRE)
+	cmp	w2, #(UARTLSR_TEMT | UARTLSR_THRE)
+	b.ne	1b
+	mov	w2, #0xD		/* '\r' */
+	str	w2, [x1, #UARTTX]
+	ldr	w2, [x1, #UARTFCR]
+	orr	w2, w2, #UARTFCR_TXCLR
+	str	w2, [x1, #UARTFCR]
+
+	/* Check if the transmit FIFO is full */
+2:	ldr	w2, [x1, #UARTLSR]
+	and	w2, w2, #(UARTLSR_TEMT | UARTLSR_THRE)
+	cmp	w2, #(UARTLSR_TEMT | UARTLSR_THRE)
+	b.ne	2b
+	str	w0, [x1, #UARTTX]
+	ldr	w2, [x1, #UARTFCR]
+	orr	w2, w2, #UARTFCR_TXCLR
+	str	w2, [x1, #UARTFCR]
+	ret
+putc_error:
+	mov	w0, #-1
+	ret
+endfunc console_core_putc
+
+	/* ---------------------------------------------
+	 * int console_core_getc(void)
+	 * Function to get a character from the console.
+	 * It returns the character grabbed on success
+	 * or -1 on error.
+	 * In : w0 - console base address
+	 * Out : return -1 on error else return character.
+	 * Clobber list : x0, x1
+	 * ---------------------------------------------
+	 */
+func console_core_getc
+	/* Check if the receive FIFO is empty */
+1:	ldr	w1, [x0, #UARTLSR]
+	tbz	w1, #UARTLSR_RDR, 1b
+	ldr	w0, [x0, #UARTRX]
+	ret
+getc_error:
+	mov	w0, #-1
+	ret
+endfunc console_core_getc