projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| c609719b WD |
1 | /* |
| 2 | * (C) Copyright 2001 | |
| 3 | * Bill Hunter, Wave 7 Optics, williamhunter@mediaone.net | |
| 4 | * and | |
| 5 | * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com. | |
| 6 | * | |
| 3765b3e7 | 7 | * SPDX-License-Identifier: GPL-2.0+ |
| c609719b WD |
8 | */ |
| 9 | ||
| 10 | #include <common.h> | |
| 11 | #include <config.h> | |
| 12 | #include <rtc.h> | |
| 13 | #include "errors.h" | |
| 14 | #include "dtt.h" | |
| 15 | ||
| f2302d44 SR |
16 | /* for LM75 DTT POST test */ |
| 17 | #define DTT_READ_TEMP 0x0 | |
| 18 | #define DTT_CONFIG 0x1 | |
| 19 | #define DTT_TEMP_HYST 0x2 | |
| 20 | #define DTT_TEMP_SET 0x3 | |
| 21 | ||
| c609719b WD |
22 | #if defined(CONFIG_RTC_M48T35A) |
| 23 | void rtctest(void) | |
| 24 | { | |
| 6d0f6bcf | 25 | volatile uchar *tchar = (uchar*)(CONFIG_SYS_NVRAM_BASE_ADDR + CONFIG_SYS_NVRAM_SIZE - 9); |
| c609719b WD |
26 | struct rtc_time tmp; |
| 27 | ||
| 28 | /* set up led code for RTC tests */ | |
| 29 | log_stat(ERR_RTCG); | |
| 30 | ||
| 31 | /* | |
| 32 | * Do RTC battery test. The first write after power up | |
| 33 | * fails if battery is low. | |
| 34 | */ | |
| 35 | *tchar = 0xaa; | |
| 36 | if ((*tchar ^ 0xaa) != 0x0) log_warn(ERR_RTCBAT); | |
| 37 | *tchar = 0x55; /* Reset test address */ | |
| 38 | ||
| 39 | /* | |
| 40 | * Now lets check the validity of the values in the RTC. | |
| 41 | */ | |
| 42 | rtc_get(&tmp); | |
| 43 | if ((tmp.tm_sec < 0) | (tmp.tm_sec > 59) | | |
| 44 | (tmp.tm_min < 0) | (tmp.tm_min > 59) | | |
| 45 | (tmp.tm_hour < 0) | (tmp.tm_hour > 23) | | |
| 46 | (tmp.tm_mday < 1 ) | (tmp.tm_mday > 31) | | |
| 47 | (tmp.tm_mon < 1 ) | (tmp.tm_mon > 12) | | |
| 48 | (tmp.tm_year < 2000) | (tmp.tm_year > 2500) | | |
| 49 | (tmp.tm_wday < 1 ) | (tmp.tm_wday > 7)) { | |
| 50 | log_warn(ERR_RTCTIM); | |
| 51 | rtc_reset(); | |
| 52 | } | |
| 53 | ||
| 54 | /* | |
| 55 | * Now lets do a check to see if the NV RAM is there. | |
| 56 | */ | |
| 57 | *tchar = 0xaa; | |
| 58 | if ((*tchar ^ 0xaa) != 0x0) log_err(ERR_RTCVAL); | |
| 59 | *tchar = 0x55; /* Reset test address */ | |
| 60 | ||
| 61 | } /* rtctest() */ | |
| 62 | #endif /* CONFIG_RTC_M48T35A */ | |
| 63 | ||
| 64 | ||
| 65 | #ifdef CONFIG_DTT_LM75 | |
| 66 | int dtt_test(int sensor) | |
| 67 | { | |
| 68 | short temp, trip, hyst; | |
| 69 | ||
| 70 | /* get values */ | |
| 71 | temp = dtt_read(sensor, DTT_READ_TEMP) / 256; | |
| 72 | trip = dtt_read(sensor, DTT_TEMP_SET) / 256; | |
| 73 | hyst = dtt_read(sensor, DTT_TEMP_HYST) / 256; | |
| 74 | ||
| 75 | /* check values */ | |
| 6d0f6bcf JCPV |
76 | if ((hyst != (CONFIG_SYS_DTT_MAX_TEMP - CONFIG_SYS_DTT_HYSTERESIS)) || |
| 77 | (trip != CONFIG_SYS_DTT_MAX_TEMP) || | |
| 78 | (temp < CONFIG_SYS_DTT_LOW_TEMP) || (temp > CONFIG_SYS_DTT_MAX_TEMP)) | |
| c609719b WD |
79 | return 1; |
| 80 | ||
| 81 | return 0; | |
| 82 | } /* dtt_test() */ | |
| 83 | #endif /* CONFIG_DTT_LM75 */ | |
| 84 | ||
| 85 | /*****************************************/ | |
| 86 | ||
| 87 | void post2(void) | |
| 88 | { | |
| 89 | #if defined(CONFIG_RTC_M48T35A) | |
| 90 | rtctest(); | |
| 91 | #endif /* CONFIG_RTC_M48T35A */ | |
| 92 | ||
| 93 | #ifdef CONFIG_DTT_LM75 | |
| 94 | log_stat(ERR_TempG); | |
| 95 | if(dtt_test(2) != 0) log_warn(ERR_Ttest0); | |
| 96 | if(dtt_test(4) != 0) log_warn(ERR_Ttest1); | |
| 97 | #endif /* CONFIG_DTT_LM75 */ | |
| 98 | } /* post2() */ |