diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/rtc/mx27rtc.c')
-rw-r--r-- | qemu/roms/u-boot/drivers/rtc/mx27rtc.c | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/qemu/roms/u-boot/drivers/rtc/mx27rtc.c b/qemu/roms/u-boot/drivers/rtc/mx27rtc.c deleted file mode 100644 index ae6595b86..000000000 --- a/qemu/roms/u-boot/drivers/rtc/mx27rtc.c +++ /dev/null @@ -1,70 +0,0 @@ -/* - * Freescale i.MX27 RTC Driver - * - * Copyright (C) 2012 Philippe Reynes <tremyfr@yahoo.fr> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <rtc.h> -#include <asm/io.h> -#include <asm/arch/imx-regs.h> - -#define HOUR_SHIFT 8 -#define HOUR_MASK 0x1f -#define MIN_SHIFT 0 -#define MIN_MASK 0x3f - -int rtc_get(struct rtc_time *time) -{ - struct rtc_regs *rtc_regs = (struct rtc_regs *)IMX_RTC_BASE; - uint32_t day, hour, min, sec; - - day = readl(&rtc_regs->dayr); - hour = readl(&rtc_regs->hourmin); - sec = readl(&rtc_regs->seconds); - - min = (hour >> MIN_SHIFT) & MIN_MASK; - hour = (hour >> HOUR_SHIFT) & HOUR_MASK; - - sec += min * 60 + hour * 3600 + day * 24 * 3600; - - to_tm(sec, time); - - return 0; -} - -int rtc_set(struct rtc_time *time) -{ - struct rtc_regs *rtc_regs = (struct rtc_regs *)IMX_RTC_BASE; - uint32_t day, hour, min, sec; - - sec = mktime(time->tm_year, time->tm_mon, time->tm_mday, - time->tm_hour, time->tm_min, time->tm_sec); - - day = sec / (24 * 3600); - sec = sec % (24 * 3600); - hour = sec / 3600; - sec = sec % 3600; - min = sec / 60; - sec = sec % 60; - - hour = (hour & HOUR_MASK) << HOUR_SHIFT; - hour |= (min & MIN_MASK) << MIN_SHIFT; - - writel(day, &rtc_regs->dayr); - writel(hour, &rtc_regs->hourmin); - writel(sec, &rtc_regs->seconds); - - return 0; -} - -void rtc_reset(void) -{ - struct rtc_regs *rtc_regs = (struct rtc_regs *)IMX_RTC_BASE; - - writel(0, &rtc_regs->dayr); - writel(0, &rtc_regs->hourmin); - writel(0, &rtc_regs->seconds); -} |