amlogic: Move assembly helpers to common directory

The assembly helpers are common to all the amlogic SoCs. Move the .S
file to the common directory.
Signed-off-by: Carlo Caione <ccaione@baylibre.com>
Change-Id: I0d8616a7ae22dbcb14848cefd0149b6bb5814ea6

plat/amlogic/gxbb/platform.mk

@@ -8,6 +8,7 @@ include lib/xlat_tables_v2/xlat_tables.mk
 
 AML_PLAT		:=	plat/amlogic
 AML_PLAT_SOC		:=	${AML_PLAT}/${PLAT}
+AML_PLAT_COMMON		:=	${AML_PLAT}/common
 
 PLAT_INCLUDES		:=	-I${AML_PLAT_SOC}/include
 
@@ -23,7 +24,7 @@ PLAT_BL_COMMON_SOURCES	:=	drivers/amlogic/console/aarch64/meson_console.S \
 
 BL31_SOURCES		+=	lib/cpus/aarch64/cortex_a53.S		\
 				plat/common/plat_psci_common.c		\
-				${AML_PLAT_SOC}/aarch64/gxbb_helpers.S	\
+				${AML_PLAT_COMMON}/aarch64/aml_helpers.S	\
 				${AML_PLAT_SOC}/gxbb_bl31_setup.c	\
 				${AML_PLAT_SOC}/gxbb_efuse.c		\
 				${AML_PLAT_SOC}/gxbb_mhu.c		\

plat/amlogic/gxl/aarch64/gxl_helpers.S

-/*
- * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include <arch.h>
-#include <asm_macros.S>
-#include <assert_macros.S>
-#include <platform_def.h>
-
-	.globl	plat_crash_console_flush
-	.globl	plat_crash_console_init
-	.globl	plat_crash_console_putc
-	.globl	platform_mem_init
-	.globl	plat_is_my_cpu_primary
-	.globl	plat_my_core_pos
-	.globl	plat_reset_handler
-	.globl	plat_gxbb_calc_core_pos
-
-	/* -----------------------------------------------------
-	 * unsigned int plat_my_core_pos(void);
-	 * -----------------------------------------------------
-	 */
-func plat_my_core_pos
-	mrs	x0, mpidr_el1
-	b	plat_gxbb_calc_core_pos
-endfunc plat_my_core_pos
-
-	/* -----------------------------------------------------
-	 *  unsigned int plat_gxbb_calc_core_pos(u_register_t mpidr);
-	 * -----------------------------------------------------
-	 */
-func plat_gxbb_calc_core_pos
-	and	x0, x0, #MPIDR_CPU_MASK
-	ret
-endfunc plat_gxbb_calc_core_pos
-
-	/* -----------------------------------------------------
-	 * unsigned int plat_is_my_cpu_primary(void);
-	 * -----------------------------------------------------
-	 */
-func plat_is_my_cpu_primary
-	mrs	x0, mpidr_el1
-	and	x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
-	cmp	x0, #GXBB_PRIMARY_CPU
-	cset	w0, eq
-	ret
-endfunc plat_is_my_cpu_primary
-
-	/* ---------------------------------------------
-	 * void platform_mem_init(void);
-	 * ---------------------------------------------
-	 */
-func platform_mem_init
-	ret
-endfunc platform_mem_init
-
-	/* ---------------------------------------------
-	 * int plat_crash_console_init(void)
-	 * ---------------------------------------------
-	 */
-func plat_crash_console_init
-	mov_imm	x0, GXBB_UART0_AO_BASE
-	mov_imm	x1, GXBB_UART0_AO_CLK_IN_HZ
-	mov_imm	x2, GXBB_UART_BAUDRATE
-	b	console_meson_init
-endfunc plat_crash_console_init
-
-	/* ---------------------------------------------
-	 * int plat_crash_console_putc(int c)
-	 * Clobber list : x1, x2
-	 * ---------------------------------------------
-	 */
-func plat_crash_console_putc
-	mov_imm	x1, GXBB_UART0_AO_BASE
-	b	console_meson_core_putc
-endfunc plat_crash_console_putc
-
-	/* ---------------------------------------------
-	 * int plat_crash_console_flush()
-	 * Out : return -1 on error else return 0.
-	 * Clobber list : x0, x1
-	 * ---------------------------------------------
-	 */
-func plat_crash_console_flush
-	mov_imm	x0, GXBB_UART0_AO_BASE
-	b	console_meson_core_flush
-endfunc plat_crash_console_flush
-
-	/* ---------------------------------------------
-	 * void plat_reset_handler(void);
-	 * ---------------------------------------------
-	 */
-func plat_reset_handler
-	ret
-endfunc plat_reset_handler

plat/amlogic/gxl/platform.mk

@@ -8,6 +8,7 @@ include lib/xlat_tables_v2/xlat_tables.mk
 
 AML_PLAT		:=	plat/amlogic
 AML_PLAT_SOC		:=	${AML_PLAT}/${PLAT}
+AML_PLAT_COMMON		:=	${AML_PLAT}/common
 
 DOIMAGEPATH		?=	tools/amlogic
 DOIMAGETOOL		?=	${DOIMAGEPATH}/doimage
@@ -28,7 +29,7 @@ PLAT_BL_COMMON_SOURCES	:=	drivers/amlogic/console/aarch64/meson_console.S	\
 
 BL31_SOURCES		+=	lib/cpus/aarch64/cortex_a53.S		\
 				plat/common/plat_psci_common.c		\
-				${AML_PLAT_SOC}/aarch64/gxl_helpers.S	\
+				${AML_PLAT_COMMON}/aarch64/aml_helpers.S	\
 				${AML_PLAT_SOC}/gxl_bl31_setup.c	\
 				${AML_PLAT_SOC}/gxl_efuse.c		\
 				${AML_PLAT_SOC}/gxl_mhu.c		\