summaryrefslogtreecommitdiffstats
path: root/arch/m68k/include/asm/intersil.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/m68k/include/asm/intersil.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/m68k/include/asm/intersil.h')
-rw-r--r--arch/m68k/include/asm/intersil.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/intersil.h b/arch/m68k/include/asm/intersil.h
new file mode 100644
index 000000000..b696348f9
--- /dev/null
+++ b/arch/m68k/include/asm/intersil.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _SUN3_INTERSIL_H
+#define _SUN3_INTERSIL_H
+/* bits 0 and 1 */
+#define INTERSIL_FREQ_32K 0x00
+#define INTERSIL_FREQ_1M 0x01
+#define INTERSIL_FREQ_2M 0x02
+#define INTERSIL_FREQ_4M 0x03
+
+/* bit 2 */
+#define INTERSIL_12H_MODE 0x00
+#define INTERSIL_24H_MODE 0x04
+
+/* bit 3 */
+#define INTERSIL_STOP 0x00
+#define INTERSIL_RUN 0x08
+
+/* bit 4 */
+#define INTERSIL_INT_ENABLE 0x10
+#define INTERSIL_INT_DISABLE 0x00
+
+/* bit 5 */
+#define INTERSIL_MODE_NORMAL 0x00
+#define INTERSIL_MODE_TEST 0x20
+
+#define INTERSIL_HZ_100_MASK 0x02
+
+struct intersil_dt {
+ unsigned char csec;
+ unsigned char hour;
+ unsigned char minute;
+ unsigned char second;
+ unsigned char month;
+ unsigned char day;
+ unsigned char year;
+ unsigned char weekday;
+};
+
+struct intersil_7170 {
+ struct intersil_dt counter;
+ struct intersil_dt alarm;
+ unsigned char int_reg;
+ unsigned char cmd_reg;
+};
+
+extern volatile char* clock_va;
+#define intersil_clock ((volatile struct intersil_7170 *) clock_va)
+#define intersil_clear() (void)intersil_clock->int_reg
+#endif