diff options
Diffstat (limited to 'plat/juno/aarch64/bl1_plat_helpers.S')
| -rw-r--r-- | plat/juno/aarch64/bl1_plat_helpers.S | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/plat/juno/aarch64/bl1_plat_helpers.S b/plat/juno/aarch64/bl1_plat_helpers.S deleted file mode 100644 index 9b929799d..000000000 --- a/plat/juno/aarch64/bl1_plat_helpers.S +++ /dev/null @@ -1,146 +0,0 @@ -/* - * 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 "../juno_def.h" - - .globl platform_is_primary_cpu - .globl platform_get_entrypoint - .globl platform_cold_boot_init - .globl plat_secondary_cold_boot_setup - - /* ----------------------------------------------------- - * unsigned int platform_is_primary_cpu (unsigned int mpid); - * - * Given the mpidr say whether this cpu is the primary - * cpu (applicable ony after a cold boot) - * ----------------------------------------------------- - */ -func platform_is_primary_cpu - mov x9, x30 - bl platform_get_core_pos - ldr x1, =SCP_BOOT_CFG_ADDR - ldr x1, [x1] - ubfx x1, x1, #PRIMARY_CPU_SHIFT, #PRIMARY_CPU_MASK - cmp x0, x1 - cset x0, eq - ret x9 -endfunc platform_is_primary_cpu - - /* ----------------------------------------------------- - * 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 - /* Juno todo: Implement secondary CPU cold boot setup on Juno */ -cb_panic: - b cb_panic -endfunc plat_secondary_cold_boot_setup - - - /* ----------------------------------------------------- - * 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 -endfunc platform_get_entrypoint - - - /* ----------------------------------------------------- - * 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 -endfunc platform_cold_boot_init |