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authorIru Cai <mytbk920423@gmail.com>2019-10-30 14:21:52 +0800
committerIru Cai <mytbk920423@gmail.com>2019-10-30 14:48:38 +0800
commitae51f41d14f548d494ac41e0d21137c5a4c3f59c (patch)
tree6ddb9d1aaa7bd5bad5bbf8497edc2e08ff208d79 /include/mk48t59.h
downloaduext4-ae51f41d14f548d494ac41e0d21137c5a4c3f59c.tar.xz
import the U-Boot code and make it compile
Diffstat (limited to 'include/mk48t59.h')
-rw-r--r--include/mk48t59.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/include/mk48t59.h b/include/mk48t59.h
new file mode 100644
index 0000000..5d863ef
--- /dev/null
+++ b/include/mk48t59.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Andreas Heppel <aheppel@sysgo.de>
+ */
+
+/*
+ * Date & Time support for the MK48T59 RTC
+ */
+
+
+#if defined(CONFIG_RTC_MK48T59) && defined(CONFIG_CMD_DATE)
+
+#define RTC_PORT_ADDR0 CONFIG_SYS_ISA_IO + 0x70
+#define RTC_PORT_ADDR1 RTC_PORT_ADDR0 + 0x1
+#define RTC_PORT_DATA CONFIG_SYS_ISA_IO + 0x76
+
+/* RTC Offsets */
+#define RTC_SECONDS 0x1FF9
+#define RTC_MINUTES 0x1FFA
+#define RTC_HOURS 0x1FFB
+#define RTC_DAY_OF_WEEK 0x1FFC
+#define RTC_DAY_OF_MONTH 0x1FFD
+#define RTC_MONTH 0x1FFE
+#define RTC_YEAR 0x1FFF
+
+#define RTC_CONTROLA 0x1FF8
+#define RTC_CA_WRITE 0x80
+#define RTC_CA_READ 0x40
+#define RTC_CA_CALIB_SIGN 0x20
+#define RTC_CA_CALIB_MASK 0x1f
+
+#define RTC_CONTROLB 0x1FF9
+#define RTC_CB_STOP 0x80
+
+#define RTC_WATCHDOG 0x1FF7
+#define RTC_WDS 0x80
+#define RTC_WD_RB_16TH 0x0
+#define RTC_WD_RB_4TH 0x1
+#define RTC_WD_RB_1 0x2
+#define RTC_WD_RB_4 0x3
+
+void rtc_set_watchdog(short multi, short res);
+void *nvram_read(void *dest, const short src, size_t count);
+void nvram_write(short dest, const void *src, size_t count);
+
+#endif