diff options
Diffstat (limited to 'sys/contrib/octeon-sdk/cvmx-cn3010-evb-hs5.c')
| -rw-r--r-- | sys/contrib/octeon-sdk/cvmx-cn3010-evb-hs5.c | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/sys/contrib/octeon-sdk/cvmx-cn3010-evb-hs5.c b/sys/contrib/octeon-sdk/cvmx-cn3010-evb-hs5.c deleted file mode 100644 index 1f2f049b4382..000000000000 --- a/sys/contrib/octeon-sdk/cvmx-cn3010-evb-hs5.c +++ /dev/null @@ -1,216 +0,0 @@ -/***********************license start*************** - * Copyright (c) 2003-2010 Cavium Inc. (support@cavium.com). All rights - * reserved. - * - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials provided - * with the distribution. - - * * Neither the name of Cavium Inc. nor the names of - * its contributors may be used to endorse or promote products - * derived from this software without specific prior written - * permission. - - * This Software, including technical data, may be subject to U.S. export control - * laws, including the U.S. Export Administration Act and its associated - * regulations, and may be subject to export or import regulations in other - * countries. - - * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" - * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR - * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO - * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR - * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM - * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, - * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF - * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR - * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR - * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. - ***********************license end**************************************/ - - - - - - - -/** - * @file - * - * Interface to the EBH-30xx specific devices - * - * <hr>$Revision: 70030 $<hr> - * - */ - -#include <time.h> -#include "cvmx-config.h" -#include "cvmx.h" -#include "cvmx-sysinfo.h" -#include "cvmx-cn3010-evb-hs5.h" -#include "cvmx-twsi.h" - - -static inline uint8_t bin2bcd(uint8_t bin) -{ - return (bin / 10) << 4 | (bin % 10); -} - -static inline uint8_t bcd2bin(uint8_t bcd) -{ - return (bcd >> 4) * 10 + (bcd & 0xf); -} - -#define TM_CHECK(_expr, _msg) \ - do { \ - if (_expr) { \ - cvmx_dprintf("Warning: RTC has invalid %s field\n", (_msg)); \ - rc = -1; \ - } \ - } while(0); - -static int validate_tm_struct(struct tm * tms) -{ - int rc = 0; - - if (!tms) - return -1; - - TM_CHECK(tms->tm_sec < 0 || tms->tm_sec > 60, "second"); /* + Leap sec */ - TM_CHECK(tms->tm_min < 0 || tms->tm_min > 59, "minute"); - TM_CHECK(tms->tm_hour < 0 || tms->tm_hour > 23, "hour"); - TM_CHECK(tms->tm_mday < 1 || tms->tm_mday > 31, "day"); - TM_CHECK(tms->tm_wday < 0 || tms->tm_wday > 6, "day of week"); - TM_CHECK(tms->tm_mon < 0 || tms->tm_mon > 11, "month"); - TM_CHECK(tms->tm_year < 0 || tms->tm_year > 200,"year"); - - return rc; -} - -/* - * Board-specifc RTC read - * Time is expressed in seconds from epoch (Jan 1 1970 at 00:00:00 UTC) - * and converted internally to calendar format. - */ -uint32_t cvmx_rtc_ds1337_read(void) -{ - int i, retry; - uint32_t time; - uint8_t reg[8]; - uint8_t sec; - struct tm tms; - - - memset(®, 0, sizeof(reg)); - memset(&tms, 0, sizeof(struct tm)); - - for(retry=0; retry<2; retry++) - { - /* Lockless read: detects the infrequent roll-over and retries */ - reg[0] = cvmx_twsi_read8(CVMX_RTC_DS1337_ADDR, 0x0); - for(i=1; i<7; i++) - reg[i] = cvmx_twsi_read8_cur_addr(CVMX_RTC_DS1337_ADDR); - - sec = cvmx_twsi_read8(CVMX_RTC_DS1337_ADDR, 0x0); - if ((sec & 0xf) == (reg[0] & 0xf)) - break; /* Time did not roll-over, value is correct */ - } - - tms.tm_sec = bcd2bin(reg[0] & 0x7f); - tms.tm_min = bcd2bin(reg[1] & 0x7f); - tms.tm_hour = bcd2bin(reg[2] & 0x3f); - if ((reg[2] & 0x40) && (reg[2] & 0x20)) /* AM/PM format and is PM time */ - { - tms.tm_hour = (tms.tm_hour + 12) % 24; - } - tms.tm_wday = (reg[3] & 0x7) - 1; /* Day of week field is 0..6 */ - tms.tm_mday = bcd2bin(reg[4] & 0x3f); - tms.tm_mon = bcd2bin(reg[5] & 0x1f) - 1; /* Month field is 0..11 */ - tms.tm_year = ((reg[5] & 0x80) ? 100 : 0) + bcd2bin(reg[6]); - - - if (validate_tm_struct(&tms)) - cvmx_dprintf("Warning: RTC calendar is not configured properly\n"); - - time = mktime(&tms); - - return time; -} - -/* - * Board-specific RTC write - * Time returned is in seconds from epoch (Jan 1 1970 at 00:00:00 UTC) - */ -int cvmx_rtc_ds1337_write(uint32_t time) -{ - int i, rc, retry; - struct tm tms; - uint8_t reg[8]; - uint8_t sec; - time_t time_from_epoch = time; - - - localtime_r(&time_from_epoch, &tms); - - if (validate_tm_struct(&tms)) - { - cvmx_dprintf("Error: RTC was passed wrong calendar values, write failed\n"); - goto tm_invalid; - } - - reg[0] = bin2bcd(tms.tm_sec); - reg[1] = bin2bcd(tms.tm_min); - reg[2] = bin2bcd(tms.tm_hour); /* Force 0..23 format even if using AM/PM */ - reg[3] = bin2bcd(tms.tm_wday + 1); - reg[4] = bin2bcd(tms.tm_mday); - reg[5] = bin2bcd(tms.tm_mon + 1); - if (tms.tm_year >= 100) /* Set century bit*/ - { - reg[5] |= 0x80; - } - reg[6] = bin2bcd(tms.tm_year % 100); - - /* Lockless write: detects the infrequent roll-over and retries */ - for(retry=0; retry<2; retry++) - { - rc = 0; - for(i=0; i<7; i++) - { - rc |= cvmx_twsi_write8(CVMX_RTC_DS1337_ADDR, i, reg[i]); - } - - sec = cvmx_twsi_read8(CVMX_RTC_DS1337_ADDR, 0x0); - if ((sec & 0xf) == (reg[0] & 0xf)) - break; /* Time did not roll-over, value is correct */ - } - - return (rc ? -1 : 0); - - tm_invalid: - return -1; -} - -#ifdef CVMX_RTC_DEBUG - -void cvmx_rtc_ds1337_dump_state(void) -{ - int i = 0; - - printf("RTC:\n"); - printf("%d : %02X ", i, cvmx_twsi_read8(CVMX_RTC_DS1337_ADDR, 0x0)); - for(i=1; i<16; i++) { - printf("%02X ", cvmx_twsi_read8_cur_addr(CVMX_RTC_DS1337_ADDR)); - } - printf("\n"); -} - -#endif /* CVMX_RTC_DEBUG */ |