RTC_CMD_READ
#define RTC_CMD_XPRAM_READ (RTC_CMD_READ(RTC_REG_XPRAM) << 8)
via_rtc_command(RTC_CMD_READ(RTC_REG_SECONDS_0), &last_result.cdata[3]);
via_rtc_command(RTC_CMD_READ(RTC_REG_SECONDS_1), &last_result.cdata[2]);
via_rtc_command(RTC_CMD_READ(RTC_REG_SECONDS_2), &last_result.cdata[1]);
via_rtc_command(RTC_CMD_READ(RTC_REG_SECONDS_3), &last_result.cdata[0]);
via_rtc_command(RTC_CMD_READ(RTC_REG_SECONDS_0),
via_rtc_command(RTC_CMD_READ(RTC_REG_SECONDS_1),
via_rtc_command(RTC_CMD_READ(RTC_REG_SECONDS_2),
via_rtc_command(RTC_CMD_READ(RTC_REG_SECONDS_3),
addr = RTC_ADDR_CTRL << 1 | RTC_CMD_READ;
addr = RTC_ADDR_CTRL << 1 | RTC_CMD_READ;
u8 addr = RTC_CLCK_BURST << 1 | RTC_CMD_READ;