98 lines
2.6 KiB
ArmAsm
98 lines
2.6 KiB
ArmAsm
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/*
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* Copyright (c) 2018-2020, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <arch.h>
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#include <asm_macros.S>
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#include <assert_macros.S>
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#include <platform_def.h>
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.globl plat_crash_console_flush
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.globl plat_crash_console_init
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.globl plat_crash_console_putc
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.globl platform_mem_init
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.globl plat_is_my_cpu_primary
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.globl plat_my_core_pos
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.globl plat_reset_handler
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.globl plat_calc_core_pos
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/* -----------------------------------------------------
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* unsigned int plat_my_core_pos(void);
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* -----------------------------------------------------
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*/
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func plat_my_core_pos
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mrs x0, mpidr_el1
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b plat_calc_core_pos
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endfunc plat_my_core_pos
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/* -----------------------------------------------------
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* unsigned int plat_calc_core_pos(u_register_t mpidr);
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* -----------------------------------------------------
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*/
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func plat_calc_core_pos
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and x0, x0, #MPIDR_CPU_MASK
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ret
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endfunc plat_calc_core_pos
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/* -----------------------------------------------------
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* unsigned int plat_is_my_cpu_primary(void);
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* -----------------------------------------------------
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*/
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func plat_is_my_cpu_primary
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mrs x0, mpidr_el1
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and x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
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cmp x0, #AML_PRIMARY_CPU
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cset w0, eq
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ret
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endfunc plat_is_my_cpu_primary
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/* ---------------------------------------------
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* void platform_mem_init(void);
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* ---------------------------------------------
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*/
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func platform_mem_init
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ret
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endfunc platform_mem_init
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/* ---------------------------------------------
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* int plat_crash_console_init(void)
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* ---------------------------------------------
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*/
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func plat_crash_console_init
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mov_imm x0, AML_UART0_AO_BASE
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mov_imm x1, AML_UART0_AO_CLK_IN_HZ
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mov_imm x2, AML_UART_BAUDRATE
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b console_meson_init
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endfunc plat_crash_console_init
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/* ---------------------------------------------
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* int plat_crash_console_putc(int c)
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* Clobber list : x1, x2
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* ---------------------------------------------
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*/
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func plat_crash_console_putc
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mov_imm x1, AML_UART0_AO_BASE
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b console_meson_core_putc
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endfunc plat_crash_console_putc
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/* ---------------------------------------------
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* void plat_crash_console_flush()
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* Out : void.
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* Clobber list : x0, x1
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* ---------------------------------------------
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*/
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func plat_crash_console_flush
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mov_imm x0, AML_UART0_AO_BASE
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b console_meson_core_flush
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endfunc plat_crash_console_flush
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/* ---------------------------------------------
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* void plat_reset_handler(void);
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* ---------------------------------------------
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*/
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func plat_reset_handler
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ret
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endfunc plat_reset_handler
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