| /* |
| * Copyright (c) 2018, Arm Limited. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <arch.h> |
| #include <asm_macros.S> |
| #include <platform_def.h> |
| |
| .global platform_get_core_pos |
| .global plat_crash_console_init |
| .global plat_crash_console_flush |
| .global plat_crash_console_putc |
| |
| /*---------------------------------------------------------------------- |
| * unsigned int platform_get_core_pos(u_register_t mpid) |
| * |
| * Function to calculate the core position on Hikey960. Since Hikey960 |
| * doesn't feature multithreaded cores, we ignore the MT bit. |
| * clobbers: x0 - x3 |
| * --------------------------------------------------------------------- |
| */ |
| func platform_get_core_pos |
| /* x1 = core-id inside cluster */ |
| ubfx x1, x0, #MPIDR_AFF0_SHIFT, #MPIDR_AFFINITY_BITS |
| /* x2 = cluster-id */ |
| ubfx x2, x0, #MPIDR_AFF1_SHIFT, #MPIDR_AFFINITY_BITS |
| |
| /* core-position = cluster-id * cores per cluster + core-id */ |
| mov x3, #PLATFORM_CORE_COUNT_PER_CLUSTER |
| madd x0, x2, x3, x1 |
| ret |
| endfunc platform_get_core_pos |
| |
| /* --------------------------------------------- |
| * int plat_crash_console_init(void) |
| * Function to initialize the crash console |
| * without a C Runtime to print crash report. |
| * Clobber list : x0 - x4 |
| * --------------------------------------------- |
| */ |
| func plat_crash_console_init |
| mov_imm x0, CRASH_CONSOLE_BASE |
| mov_imm x1, PL011_UART_CLK_IN_HZ |
| mov_imm x2, PL011_BAUDRATE |
| b console_core_init |
| endfunc plat_crash_console_init |
| |
| /* --------------------------------------------- |
| * int plat_crash_console_putc(int c) |
| * Function to print a character on the crash |
| * console without a C Runtime. |
| * Clobber list : x1, x2 |
| * --------------------------------------------- |
| */ |
| func plat_crash_console_putc |
| mov_imm x1, CRASH_CONSOLE_BASE |
| b console_core_putc |
| endfunc plat_crash_console_putc |
| |
| /* --------------------------------------------- |
| * int plat_crash_console_flush() |
| * Function to force a write of all buffered |
| * data that hasn't been output. |
| * Out : return -1 on error else return 0. |
| * Clobber list : r0 - r1 |
| * --------------------------------------------- |
| */ |
| func plat_crash_console_flush |
| mov_imm x1, CRASH_CONSOLE_BASE |
| b console_core_flush |
| endfunc plat_crash_console_flush |