Kelvin Zhang | c4c3dd1 | 2021-12-24 20:59:18 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2014-2018 Amlogic, Inc. All rights reserved. |
| 3 | * |
| 4 | * All information contained herein is Amlogic confidential. |
| 5 | * |
| 6 | * This software is provided to you pursuant to Software License Agreement |
| 7 | * (SLA) with Amlogic Inc ("Amlogic"). This software may be used |
| 8 | * only in accordance with the terms of this agreement. |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification is strictly prohibited without prior written permission from |
| 12 | * Amlogic. |
| 13 | * |
| 14 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 15 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 16 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 17 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 18 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 19 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 20 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | *//* |
| 26 | * Copyright (C) 2014-2018 Amlogic, Inc. All rights reserved. |
| 27 | * |
| 28 | * All information contained herein is Amlogic confidential. |
| 29 | * |
| 30 | * This software is provided to you pursuant to Software License Agreement |
| 31 | * (SLA) with Amlogic Inc ("Amlogic"). This software may be used |
| 32 | * only in accordance with the terms of this agreement. |
| 33 | * |
| 34 | * Redistribution and use in source and binary forms, with or without |
| 35 | * modification is strictly prohibited without prior written permission from |
| 36 | * Amlogic. |
| 37 | * |
| 38 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 39 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 40 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 41 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 42 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 43 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 44 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 45 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 46 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 47 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 48 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 49 | */ |
| 50 | |
| 51 | #include "register.h" |
| 52 | #include "common.h" |
| 53 | #include "stdio.h" |
| 54 | #include "timer_source.h" |
| 55 | |
| 56 | |
| 57 | uint32_t timere_read(void) |
| 58 | { |
| 59 | uint32_t time = 0; |
| 60 | unsigned long long te = 0, temp = 0; |
| 61 | |
| 62 | /*timeE high+low, first read low, second read high*/ |
| 63 | te = REG32(TIMERE_LOW_REG); |
| 64 | temp = REG32(TIMERE_HIG_REG); |
| 65 | te += (temp << 32); |
| 66 | te = te/1000000; |
| 67 | time = (uint32_t)te; |
| 68 | //printf("----------time_e: %us\n", time); |
| 69 | return time; |
| 70 | } |
| 71 | |
| 72 | unsigned long long timere_read_us(void) |
| 73 | { |
| 74 | unsigned long long te = 0, temp = 0; |
| 75 | |
| 76 | /*timeE high+low, first read low, second read high*/ |
| 77 | te = REG32(TIMERE_LOW_REG); |
| 78 | temp = REG32(TIMERE_HIG_REG); |
| 79 | te += (temp << 32); |
| 80 | |
| 81 | return te; |
| 82 | } |
| 83 | |
| 84 | void udelay(uint32_t uS) |
| 85 | { |
| 86 | unsigned long long t0; |
| 87 | |
| 88 | if (uS == 0) |
| 89 | return; |
| 90 | t0 = timere_read_us(); |
| 91 | while (timere_read_us() - t0 < uS); |
| 92 | } |
| 93 | |
| 94 | void mdelay(uint32_t mS) |
| 95 | { |
| 96 | if (mS == 0) |
| 97 | return; |
| 98 | while (mS--) { |
| 99 | udelay(1000); |
| 100 | } |
| 101 | } |