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| author | Niek Linnenbank | 2020-03-11 23:18:48 +0100 |
|---|---|---|
| committer | Peter Maydell | 2020-03-12 17:27:33 +0100 |
| commit | a9ad9e73a733fee77b8287b660e2c9894cbc5255 (patch) | |
| tree | 6d486027c1ec6392b52311ebe959c4640c7fe8c7 /hw/arm/allwinner-h3.c | |
| parent | hw/arm/allwinner-h3: add SDRAM controller device (diff) | |
| download | qemu-a9ad9e73a733fee77b8287b660e2c9894cbc5255.tar.gz qemu-a9ad9e73a733fee77b8287b660e2c9894cbc5255.tar.xz qemu-a9ad9e73a733fee77b8287b660e2c9894cbc5255.zip | |
hw/arm/allwinner: add RTC device support
Allwinner System-on-Chips usually contain a Real Time Clock (RTC)
for non-volatile system date and time keeping. This commit adds a generic
Allwinner RTC device that supports the RTC devices found in Allwinner SoC
family sun4i (A10), sun7i (A20) and sun6i and newer (A31, H2+, H3, etc).
The following RTC functionality and features are implemented:
* Year-Month-Day read/write
* Hour-Minute-Second read/write
* General Purpose storage
The following boards are extended with the RTC device:
* Cubieboard (hw/arm/cubieboard.c)
* Orange Pi PC (hw/arm/orangepi.c)
Signed-off-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200311221854.30370-13-nieklinnenbank@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm/allwinner-h3.c')
| -rw-r--r-- | hw/arm/allwinner-h3.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/hw/arm/allwinner-h3.c b/hw/arm/allwinner-h3.c index c0a2ecfee8..9e4ce36093 100644 --- a/hw/arm/allwinner-h3.c +++ b/hw/arm/allwinner-h3.c @@ -63,6 +63,7 @@ const hwaddr allwinner_h3_memmap[] = { [AW_H3_GIC_CPU] = 0x01c82000, [AW_H3_GIC_HYP] = 0x01c84000, [AW_H3_GIC_VCPU] = 0x01c86000, + [AW_H3_RTC] = 0x01f00000, [AW_H3_CPUCFG] = 0x01f01c00, [AW_H3_SDRAM] = 0x40000000 }; @@ -118,7 +119,6 @@ struct AwH3Unimplemented { { "csi", 0x01cb0000, 320 * KiB }, { "tve", 0x01e00000, 64 * KiB }, { "hdmi", 0x01ee0000, 128 * KiB }, - { "rtc", 0x01f00000, 1 * KiB }, { "r_timer", 0x01f00800, 1 * KiB }, { "r_intc", 0x01f00c00, 1 * KiB }, { "r_wdog", 0x01f01000, 1 * KiB }, @@ -235,6 +235,9 @@ static void allwinner_h3_init(Object *obj) "ram-addr", &error_abort); object_property_add_alias(obj, "ram-size", OBJECT(&s->dramc), "ram-size", &error_abort); + + sysbus_init_child_obj(obj, "rtc", &s->rtc, sizeof(s->rtc), + TYPE_AW_RTC_SUN6I); } static void allwinner_h3_realize(DeviceState *dev, Error **errp) @@ -425,6 +428,10 @@ static void allwinner_h3_realize(DeviceState *dev, Error **errp) sysbus_mmio_map(SYS_BUS_DEVICE(&s->dramc), 1, s->memmap[AW_H3_DRAMCTL]); sysbus_mmio_map(SYS_BUS_DEVICE(&s->dramc), 2, s->memmap[AW_H3_DRAMPHY]); + /* RTC */ + qdev_init_nofail(DEVICE(&s->rtc)); + sysbus_mmio_map(SYS_BUS_DEVICE(&s->rtc), 0, s->memmap[AW_H3_RTC]); + /* Unimplemented devices */ for (i = 0; i < ARRAY_SIZE(unimplemented); i++) { create_unimplemented_device(unimplemented[i].device_name, |