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[Qemu-devel] [PATCH 13/14] timer: ds-rtc model ds1375
From: |
Michael Davidsaver |
Subject: |
[Qemu-devel] [PATCH 13/14] timer: ds-rtc model ds1375 |
Date: |
Sat, 24 Mar 2018 12:24:54 -0700 |
differences from ds1338
* Has alarms (not modeled)
* different control register (not modeled)
* smaller address space (0x20 vs. 0x40)
Signed-off-by: Michael Davidsaver <address@hidden>
---
hw/timer/ds-rtc.c | 30 ++++++++++++++++++++++++++++--
1 file changed, 28 insertions(+), 2 deletions(-)
diff --git a/hw/timer/ds-rtc.c b/hw/timer/ds-rtc.c
index 5a4df1b115..e5da36cae8 100644
--- a/hw/timer/ds-rtc.c
+++ b/hw/timer/ds-rtc.c
@@ -1,8 +1,9 @@
/*
- * MAXIM DSRTC I2C RTC+NVRAM
+ * MAXIM/Dallas DS1338 and DS1375 I2C RTC+NVRAM
*
+ * Copyright (c) 2018 Michael Davidsaver
* Copyright (c) 2009 CodeSourcery.
- * Written by Paul Brook
+ * Written by Paul Brook, Michael Davidsaver
*
* This code is licensed under the GNU GPL v2.
*
@@ -41,6 +42,7 @@
#define R_YEAR (0x6)
#define R_DS1338_CTRL (0x7)
+#define R_DS1375_CTRL (0xe)
/* use 12 hour mode when set */
FIELD(HOUR, SET12, 6, 1)
@@ -296,10 +298,34 @@ static const TypeInfo ds1338_info = {
.class_init = ds1338_class_init,
};
+static void ds1375_control_write(DSRTCState *s, uint8_t data)
+{
+ /* just store it, we don't model any features */
+ s->nvram[R_DS1375_CTRL] = data;
+}
+
+static void ds1375_class_init(ObjectClass *klass, void *data)
+{
+ DSRTCClass *k = DSRTC_CLASS(klass);
+
+ k->has_century = true;
+ k->addr_size = 0x20;
+ k->ctrl_offset = R_DS1375_CTRL;
+ k->ctrl_write = ds1375_control_write;
+}
+
+static const TypeInfo ds1375_info = {
+ .name = "ds1375",
+ .parent = TYPE_DSRTC,
+ .class_size = sizeof(DSRTCClass),
+ .class_init = ds1375_class_init,
+};
+
static void dsrtc_register_types(void)
{
type_register_static(&dsrtc_info);
type_register_static(&ds1338_info);
+ type_register_static(&ds1375_info);
}
type_init(dsrtc_register_types)
--
2.11.0
- [Qemu-devel] [PATCH 14/14] tests: drop ds1338-test, (continued)
- [Qemu-devel] [PATCH 14/14] tests: drop ds1338-test, Michael Davidsaver, 2018/03/24
- [Qemu-devel] [PATCH 08/14] tests: ds-rtc test wday offset, Michael Davidsaver, 2018/03/24
- [Qemu-devel] [PATCH 12/14] timer: ds-rtc handle CENTURY bit, Michael Davidsaver, 2018/03/24
- [Qemu-devel] [PATCH 02/14] timer: ds1338 use registerfields.h, Michael Davidsaver, 2018/03/24
- [Qemu-devel] [PATCH 09/14] timer: rename ds1338 -> dsrtc, Michael Davidsaver, 2018/03/24
- [Qemu-devel] [PATCH 06/14] tests: ds-rtc test 12 hour mode, Michael Davidsaver, 2018/03/24
- [Qemu-devel] [PATCH 04/14] timer: ds1338 clarify HOUR handling, Michael Davidsaver, 2018/03/24
- [Qemu-devel] [PATCH 10/14] timer: rename file ds1338.c -> ds-rtc.c, Michael Davidsaver, 2018/03/24
- [Qemu-devel] [PATCH 01/14] tests: more thorough tests of ds1338, Michael Davidsaver, 2018/03/24
- [Qemu-devel] [PATCH 07/14] timer: ds1338 fix wday_offset handling, Michael Davidsaver, 2018/03/24
- [Qemu-devel] [PATCH 13/14] timer: ds-rtc model ds1375,
Michael Davidsaver <=
- [Qemu-devel] [PATCH 03/14] timer: ds1338 persist 12-hour mode selection, Michael Davidsaver, 2018/03/24
- [Qemu-devel] [PATCH 11/14] timer: generalize ds1338, Michael Davidsaver, 2018/03/24
- Re: [Qemu-devel] [PATCH 00/14] Generalize Dallas/Maxim I2C RTC devices v2, no-reply, 2018/03/24
- Re: [Qemu-devel] [PATCH 00/14] Generalize Dallas/Maxim I2C RTC devices v2, no-reply, 2018/03/24
- Re: [Qemu-devel] [PATCH 00/14] Generalize Dallas/Maxim I2C RTC devices v2, no-reply, 2018/03/26