*
* Paul Mackerras August 1996.
* Copyright (C) 1996 Paul Mackerras.
+ * Copyright (C) 2003-2005 Benjamin Herrenschmidt.
+ *
*/
#include <linux/config.h>
#include <linux/errno.h>
#include <asm/machdep.h>
#include <asm/time.h>
#include <asm/nvram.h>
+#include <asm/smu.h>
#undef DEBUG
void __pmac pmac_get_rtc_time(struct rtc_time *tm)
{
- struct adb_request req;
- unsigned int now;
-
- /* Get the time from the RTC */
- if (pmu_request(&req, NULL, 1, PMU_READ_RTC) < 0)
- return;
- while (!req.complete)
- pmu_poll();
- if (req.reply_len != 4)
- printk(KERN_ERR "pmac_get_rtc_time: got %d byte reply\n",
- req.reply_len);
- now = (req.reply[0] << 24) + (req.reply[1] << 16)
- + (req.reply[2] << 8) + req.reply[3];
- DBG("get: %u -> %u\n", (int)now, (int)(now - RTC_OFFSET));
- now -= RTC_OFFSET;
-
- to_tm(now, tm);
- tm->tm_year -= 1900;
- tm->tm_mon -= 1;
+ switch(sys_ctrler) {
+#ifdef CONFIG_ADB_PMU
+ case SYS_CTRLER_PMU: {
+ /* TODO: Move that to a function in the PMU driver */
+ struct adb_request req;
+ unsigned int now;
+
+ if (pmu_request(&req, NULL, 1, PMU_READ_RTC) < 0)
+ return;
+ pmu_wait_complete(&req);
+ if (req.reply_len != 4)
+ printk(KERN_ERR "pmac_get_rtc_time: PMU returned a %d"
+ " bytes reply\n", req.reply_len);
+ now = (req.reply[0] << 24) + (req.reply[1] << 16)
+ + (req.reply[2] << 8) + req.reply[3];
+ DBG("get: %u -> %u\n", (int)now, (int)(now - RTC_OFFSET));
+ now -= RTC_OFFSET;
+
+ to_tm(now, tm);
+ tm->tm_year -= 1900;
+ tm->tm_mon -= 1;
- DBG("-> tm_mday: %d, tm_mon: %d, tm_year: %d, %d:%02d:%02d\n",
- tm->tm_mday, tm->tm_mon, tm->tm_year,
- tm->tm_hour, tm->tm_min, tm->tm_sec);
+ DBG("-> tm_mday: %d, tm_mon: %d, tm_year: %d, %d:%02d:%02d\n",
+ tm->tm_mday, tm->tm_mon, tm->tm_year,
+ tm->tm_hour, tm->tm_min, tm->tm_sec);
+ break;
+ }
+#endif /* CONFIG_ADB_PMU */
+
+#ifdef CONFIG_PMAC_SMU
+ case SYS_CTRLER_SMU:
+ smu_get_rtc_time(tm);
+ break;
+#endif /* CONFIG_PMAC_SMU */
+ default:
+ ;
+ }
}
int __pmac pmac_set_rtc_time(struct rtc_time *tm)
{
- struct adb_request req;
- unsigned int nowtime;
-
- DBG("set: tm_mday: %d, tm_mon: %d, tm_year: %d, %d:%02d:%02d\n",
- tm->tm_mday, tm->tm_mon, tm->tm_year,
- tm->tm_hour, tm->tm_min, tm->tm_sec);
-
- nowtime = mktime(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
- tm->tm_hour, tm->tm_min, tm->tm_sec);
- DBG("-> %u -> %u\n", (int)nowtime, (int)(nowtime + RTC_OFFSET));
- nowtime += RTC_OFFSET;
-
- if (pmu_request(&req, NULL, 5, PMU_SET_RTC,
- nowtime >> 24, nowtime >> 16, nowtime >> 8, nowtime) < 0)
+ switch(sys_ctrler) {
+#ifdef CONFIG_ADB_PMU
+ case SYS_CTRLER_PMU: {
+ /* TODO: Move that to a function in the PMU driver */
+ struct adb_request req;
+ unsigned int nowtime;
+
+ DBG("set: tm_mday: %d, tm_mon: %d, tm_year: %d,"
+ " %d:%02d:%02d\n",
+ tm->tm_mday, tm->tm_mon, tm->tm_year,
+ tm->tm_hour, tm->tm_min, tm->tm_sec);
+
+ nowtime = mktime(tm->tm_year + 1900, tm->tm_mon + 1,
+ tm->tm_mday, tm->tm_hour, tm->tm_min,
+ tm->tm_sec);
+
+ DBG("-> %u -> %u\n", (int)nowtime,
+ (int)(nowtime + RTC_OFFSET));
+ nowtime += RTC_OFFSET;
+
+ if (pmu_request(&req, NULL, 5, PMU_SET_RTC,
+ nowtime >> 24, nowtime >> 16,
+ nowtime >> 8, nowtime) < 0)
+ return -ENXIO;
+ pmu_wait_complete(&req);
+ if (req.reply_len != 0)
+ printk(KERN_ERR "pmac_set_rtc_time: PMU returned a %d"
+ " bytes reply\n", req.reply_len);
return 0;
- while (!req.complete)
- pmu_poll();
- if (req.reply_len != 0)
- printk(KERN_ERR "pmac_set_rtc_time: got %d byte reply\n",
- req.reply_len);
- return 1;
+ }
+#endif /* CONFIG_ADB_PMU */
+
+#ifdef CONFIG_PMAC_SMU
+ case SYS_CTRLER_SMU:
+ return smu_set_rtc_time(tm);
+#endif /* CONFIG_PMAC_SMU */
+ default:
+ return -ENODEV;
+ }
}
void __init pmac_get_boot_time(struct rtc_time *tm)