| developer | 65014b8 | 2015-04-13 14:47:57 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions are met: |
| 6 | * |
| 7 | * Redistributions of source code must retain the above copyright notice, this |
| 8 | * list of conditions and the following disclaimer. |
| 9 | * |
| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * Neither the name of ARM nor the names of its contributors may be used |
| 15 | * to endorse or promote products derived from this software without specific |
| 16 | * prior written permission. |
| 17 | * |
| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 28 | * POSSIBILITY OF SUCH DAMAGE. |
| 29 | */ |
| 30 | #include <arch.h> |
| 31 | #include <asm_macros.S> |
| 32 | #include <mt8173_def.h> |
| 33 | |
| 34 | .globl plat_secondary_cold_boot_setup |
| 35 | .globl plat_report_exception |
| 36 | .globl platform_is_primary_cpu |
| 37 | .globl plat_crash_console_init |
| 38 | .globl plat_crash_console_putc |
| 39 | |
| 40 | /* ----------------------------------------------------- |
| 41 | * void plat_secondary_cold_boot_setup (void); |
| 42 | * |
| 43 | * This function performs any platform specific actions |
| 44 | * needed for a secondary cpu after a cold reset e.g |
| 45 | * mark the cpu's presence, mechanism to place it in a |
| 46 | * holding pen etc. |
| 47 | * ----------------------------------------------------- |
| 48 | */ |
| 49 | func plat_secondary_cold_boot_setup |
| 50 | /* MT8173 Oak does not do cold boot for secondary CPU */ |
| 51 | cb_panic: |
| 52 | b cb_panic |
| 53 | endfunc plat_secondary_cold_boot_setup |
| 54 | |
| 55 | func platform_is_primary_cpu |
| 56 | and x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK) |
| 57 | cmp x0, #MT8173_PRIMARY_CPU |
| 58 | cset x0, eq |
| 59 | ret |
| 60 | endfunc platform_is_primary_cpu |
| 61 | |
| 62 | /* --------------------------------------------- |
| 63 | * int plat_crash_console_init(void) |
| 64 | * Function to initialize the crash console |
| 65 | * without a C Runtime to print crash report. |
| 66 | * Clobber list : x0, x1, x2 |
| 67 | * --------------------------------------------- |
| 68 | */ |
| 69 | func plat_crash_console_init |
| 70 | mov_imm x0, MT8173_UART0_BASE |
| 71 | mov_imm x1, MT8173_UART_CLOCK |
| 72 | mov_imm x2, MT8173_BAUDRATE |
| 73 | b console_core_init |
| 74 | endfunc plat_crash_console_init |
| 75 | |
| 76 | /* --------------------------------------------- |
| 77 | * int plat_crash_console_putc(void) |
| 78 | * Function to print a character on the crash |
| 79 | * console without a C Runtime. |
| 80 | * Clobber list : x1, x2 |
| 81 | * --------------------------------------------- |
| 82 | */ |
| 83 | func plat_crash_console_putc |
| 84 | mov_imm x1, MT8173_UART0_BASE |
| 85 | b console_core_putc |
| 86 | endfunc plat_crash_console_putc |