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Diffstat (limited to 'qemu/roms/u-boot/drivers/rtc/mpc8xx.c')
-rw-r--r--qemu/roms/u-boot/drivers/rtc/mpc8xx.c61
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