differences from ds1338
* Has alarms (not modeled)
* different control register (not modeled)
* smaller address space (0x20 vs. 0x40)
Signed-off-by: Michael Davidsaver <mdavidsa...@gmail.com>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org>
---
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 9abac38628..3a8ad1a00f 100644
--- a/hw/timer/ds-rtc.c
+++ b/hw/timer/ds-rtc.c
@@ -1,8 +1,9 @@
/*
- * MAXIM DS1338 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)
@@ -300,10 +302,34 @@ 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
