diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/rtc/mpc8xx.c')
-rw-r--r-- | qemu/roms/u-boot/drivers/rtc/mpc8xx.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/rtc/mpc8xx.c b/qemu/roms/u-boot/drivers/rtc/mpc8xx.c new file mode 100644 index 000000000..d239daee1 --- /dev/null +++ b/qemu/roms/u-boot/drivers/rtc/mpc8xx.c @@ -0,0 +1,61 @@ +/* + * (C) Copyright 2001 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Date & Time support for internal RTC of MPC8xx + */ + +/*#define DEBUG*/ + +#include <common.h> +#include <command.h> +#include <rtc.h> + +#if defined(CONFIG_CMD_DATE) + +/* ------------------------------------------------------------------------- */ + +int rtc_get (struct rtc_time *tmp) +{ + volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; + ulong tim; + + tim = immr->im_sit.sit_rtc; + + to_tm (tim, tmp); + + debug ( "Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", + tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, + tmp->tm_hour, tmp->tm_min, tmp->tm_sec); + + return 0; +} + +int rtc_set (struct rtc_time *tmp) +{ + volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; + ulong tim; + + debug ( "Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", + tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, + tmp->tm_hour, tmp->tm_min, tmp->tm_sec); + + tim = mktime (tmp->tm_year, tmp->tm_mon, tmp->tm_mday, + tmp->tm_hour, tmp->tm_min, tmp->tm_sec); + + immr->im_sitk.sitk_rtck = KAPWR_KEY; + immr->im_sit.sit_rtc = tim; + + return 0; +} + +void rtc_reset (void) +{ + return; /* nothing to do */ +} + +#endif |