78 lines
1.4 KiB
ArmAsm
78 lines
1.4 KiB
ArmAsm
/*
|
|
* Copyright 2018-2020 NXP
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
*/
|
|
|
|
#include <arch.h>
|
|
#include <asm_macros.S>
|
|
|
|
#include <platform_def.h>
|
|
|
|
.globl plat_secondary_cold_boot_setup
|
|
.globl plat_is_my_cpu_primary
|
|
.globl plat_reset_handler
|
|
.globl platform_mem_init
|
|
|
|
|
|
func platform_mem1_init
|
|
ret
|
|
endfunc platform_mem1_init
|
|
|
|
|
|
func platform_mem_init
|
|
ret
|
|
endfunc platform_mem_init
|
|
|
|
|
|
func apply_platform_errata
|
|
|
|
ret
|
|
endfunc apply_platform_errata
|
|
|
|
|
|
func plat_reset_handler
|
|
mov x29, x30
|
|
bl apply_platform_errata
|
|
|
|
#if defined(IMAGE_BL31)
|
|
ldr x0, =POLICY_SMMU_PAGESZ_64K
|
|
cbz x0, 1f
|
|
/* Set the SMMU page size in the sACR register */
|
|
bl _set_smmu_pagesz_64
|
|
#endif
|
|
1:
|
|
mov x30, x29
|
|
|
|
ret
|
|
endfunc plat_reset_handler
|
|
|
|
|
|
/* 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
|
|
/* lx2160a does not do cold boot for secondary CPU */
|
|
cb_panic:
|
|
b cb_panic
|
|
endfunc plat_secondary_cold_boot_setup
|
|
|
|
|
|
/* unsigned int plat_is_my_cpu_primary (void);
|
|
*
|
|
* Find out whether the current cpu is the primary
|
|
* cpu.
|
|
*/
|
|
func plat_is_my_cpu_primary
|
|
mrs x0, mpidr_el1
|
|
and x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
|
|
cmp x0, 0x0
|
|
cset w0, eq
|
|
ret
|
|
endfunc plat_is_my_cpu_primary
|