Push old Amlogic BL2 sourcesHEADmaster

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diff --git a/plat/gxb/aarch64/bl1_plat_helpers.S b/plat/gxb/aarch64/bl1_plat_helpers.S
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+/*
+ * Copyright (c) 2013-2014, 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 "../plat_def.h"
+
+	.globl	platform_get_entrypoint
+	.globl	platform_cold_boot_init
+	.globl	plat_secondary_cold_boot_setup
+
+
+	/* -----------------------------------------------------
+	 * void plat_secondary_cold_boot_setup (void);
+	 *
+	 * This function performs any platform specific actions
+	 * needed for a secondary cpu after a cold reset e.g
+	 * mark the cpu's presence, mechanism to place it in a
+	 * holding pen etc.
+	 * -----------------------------------------------------
+	 */
+func plat_secondary_cold_boot_setup
+	/* PLAT todo: Implement secondary CPU cold boot setup on PLAT */
+cb_panic:
+	b	cb_panic
+
+
+	/* -----------------------------------------------------
+	 * void platform_get_entrypoint (unsigned int mpid);
+	 *
+	 * Main job of this routine is to distinguish between
+	 * a cold and warm boot.
+	 * On a cold boot the secondaries first wait for the
+	 * platform to be initialized after which they are
+	 * hotplugged in. The primary proceeds to perform the
+	 * platform initialization.
+	 * On a warm boot, each cpu jumps to the address in its
+	 * mailbox.
+	 *
+	 * TODO: Not a good idea to save lr in a temp reg
+	 * -----------------------------------------------------
+	 */
+func platform_get_entrypoint
+	mov	x9, x30 // lr
+	bl	platform_get_core_pos
+	ldr	x1, =TRUSTED_MAILBOXES_BASE
+	lsl	x0, x0, #TRUSTED_MAILBOX_SHIFT
+	ldr	x0, [x1, x0]
+	ret	x9
+
+
+	/* -----------------------------------------------------
+	 * void platform_cold_boot_init (bl1_main function);
+	 *
+	 * Routine called only by the primary cpu after a cold
+	 * boot to perform early platform initialization
+	 * -----------------------------------------------------
+	 */
+func platform_cold_boot_init
+	mov	x20, x0
+
+	/* ---------------------------------------------
+	 * Give ourselves a small coherent stack to
+	 * ease the pain of initializing the MMU and
+	 * CCI in assembler
+	 * ---------------------------------------------
+	 */
+	mrs	x0, mpidr_el1
+	bl	platform_set_coherent_stack
+
+	/* ---------------------------------------------
+	 * Architectural init. can be generic e.g.
+	 * enabling stack alignment and platform spec-
+	 * ific e.g. MMU & page table setup as per the
+	 * platform memory map. Perform the latter here
+	 * and the former in bl1_main.
+	 * ---------------------------------------------
+	 */
+	bl	bl1_early_platform_setup
+	bl	bl1_plat_arch_setup
+
+	/* ---------------------------------------------
+	 * Give ourselves a stack allocated in Normal
+	 * -IS-WBWA memory
+	 * ---------------------------------------------
+	 */
+	mrs	x0, mpidr_el1
+	bl	platform_set_stack
+
+	/* ---------------------------------------------
+	 * Jump to the main function. Returning from it
+	 * is a terminal error.
+	 * ---------------------------------------------
+	 */
+	blr	x20
+
+cb_init_panic:
+	b	cb_init_panic