hw: Move Aspeed RTC from hw/timer/ to hw/rtc/ subdirectory

Move RTC devices under the hw/rtc/ subdirectory.

Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20191003230404.19384-12-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

3 files changed, 1 insertions, 186 deletions

diff --git a/hw/timer/Makefile.objs b/hw/timer/Makefile.objs
index 33191d74cb..83091770df 100644
--- a/hw/timer/Makefile.objs
+++ b/hw/timer/Makefile.objs
@@ -29,7 +29,7 @@ common-obj-$(CONFIG_MIPS_CPS) += mips_gictimer.o
 common-obj-$(CONFIG_ALLWINNER_A10_PIT) += allwinner-a10-pit.o
 
 common-obj-$(CONFIG_STM32F2XX_TIMER) += stm32f2xx_timer.o
-common-obj-$(CONFIG_ASPEED_SOC) += aspeed_timer.o aspeed_rtc.o
+common-obj-$(CONFIG_ASPEED_SOC) += aspeed_timer.o
 
 common-obj-$(CONFIG_CMSDK_APB_TIMER) += cmsdk-apb-timer.o
 common-obj-$(CONFIG_CMSDK_APB_DUALTIMER) += cmsdk-apb-dualtimer.o
diff --git a/hw/timer/aspeed_rtc.c b/hw/timer/aspeed_rtc.c
deleted file mode 100644
index 5313017353..0000000000
--- a/hw/timer/aspeed_rtc.c
+++ /dev/null
@@ -1,181 +0,0 @@
-/*
- * ASPEED Real Time Clock
- * Joel Stanley <joel@jms.id.au>
- *
- * Copyright 2019 IBM Corp
- * SPDX-License-Identifier: GPL-2.0-or-later
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "hw/timer/aspeed_rtc.h"
-#include "migration/vmstate.h"
-#include "qemu/log.h"
-#include "qemu/timer.h"
-
-#include "trace.h"
-
-#define COUNTER1        (0x00 / 4)
-#define COUNTER2        (0x04 / 4)
-#define ALARM           (0x08 / 4)
-#define CONTROL         (0x10 / 4)
-#define ALARM_STATUS    (0x14 / 4)
-
-#define RTC_UNLOCKED    BIT(1)
-#define RTC_ENABLED     BIT(0)
-
-static void aspeed_rtc_calc_offset(AspeedRtcState *rtc)
-{
-    struct tm tm;
-    uint32_t year, cent;
-    uint32_t reg1 = rtc->reg[COUNTER1];
-    uint32_t reg2 = rtc->reg[COUNTER2];
-
-    tm.tm_mday = (reg1 >> 24) & 0x1f;
-    tm.tm_hour = (reg1 >> 16) & 0x1f;
-    tm.tm_min = (reg1 >> 8) & 0x3f;
-    tm.tm_sec = (reg1 >> 0) & 0x3f;
-
-    cent = (reg2 >> 16) & 0x1f;
-    year = (reg2 >> 8) & 0x7f;
-    tm.tm_mon = ((reg2 >>  0) & 0x0f) - 1;
-    tm.tm_year = year + (cent * 100) - 1900;
-
-    rtc->offset = qemu_timedate_diff(&tm);
-}
-
-static uint32_t aspeed_rtc_get_counter(AspeedRtcState *rtc, int r)
-{
-    uint32_t year, cent;
-    struct tm now;
-
-    qemu_get_timedate(&now, rtc->offset);
-
-    switch (r) {
-    case COUNTER1:
-        return (now.tm_mday << 24) | (now.tm_hour << 16) |
-            (now.tm_min << 8) | now.tm_sec;
-    case COUNTER2:
-        cent = (now.tm_year + 1900) / 100;
-        year = now.tm_year % 100;
-        return ((cent & 0x1f) << 16) | ((year & 0x7f) << 8) |
-            ((now.tm_mon + 1) & 0xf);
-    default:
-        g_assert_not_reached();
-    }
-}
-
-static uint64_t aspeed_rtc_read(void *opaque, hwaddr addr,
-                                unsigned size)
-{
-    AspeedRtcState *rtc = opaque;
-    uint64_t val;
-    uint32_t r = addr >> 2;
-
-    switch (r) {
-    case COUNTER1:
-    case COUNTER2:
-        if (rtc->reg[CONTROL] & RTC_ENABLED) {
-            rtc->reg[r] = aspeed_rtc_get_counter(rtc, r);
-        }
-        /* fall through */
-    case CONTROL:
-        val = rtc->reg[r];
-        break;
-    case ALARM:
-    case ALARM_STATUS:
-    default:
-        qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx "\n", __func__, addr);
-        return 0;
-    }
-
-    trace_aspeed_rtc_read(addr, val);
-
-    return val;
-}
-
-static void aspeed_rtc_write(void *opaque, hwaddr addr,
-                             uint64_t val, unsigned size)
-{
-    AspeedRtcState *rtc = opaque;
-    uint32_t r = addr >> 2;
-
-    switch (r) {
-    case COUNTER1:
-    case COUNTER2:
-        if (!(rtc->reg[CONTROL] & RTC_UNLOCKED)) {
-            break;
-        }
-        /* fall through */
-    case CONTROL:
-        rtc->reg[r] = val;
-        aspeed_rtc_calc_offset(rtc);
-        break;
-    case ALARM:
-    case ALARM_STATUS:
-    default:
-        qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx "\n", __func__, addr);
-        break;
-    }
-    trace_aspeed_rtc_write(addr, val);
-}
-
-static void aspeed_rtc_reset(DeviceState *d)
-{
-    AspeedRtcState *rtc = ASPEED_RTC(d);
-
-    rtc->offset = 0;
-    memset(rtc->reg, 0, sizeof(rtc->reg));
-}
-
-static const MemoryRegionOps aspeed_rtc_ops = {
-    .read = aspeed_rtc_read,
-    .write = aspeed_rtc_write,
-    .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static const VMStateDescription vmstate_aspeed_rtc = {
-    .name = TYPE_ASPEED_RTC,
-    .version_id = 1,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT32_ARRAY(reg, AspeedRtcState, 0x18),
-        VMSTATE_INT32(offset, AspeedRtcState),
-        VMSTATE_INT32(offset, AspeedRtcState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static void aspeed_rtc_realize(DeviceState *dev, Error **errp)
-{
-    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
-    AspeedRtcState *s = ASPEED_RTC(dev);
-
-    sysbus_init_irq(sbd, &s->irq);
-
-    memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_rtc_ops, s,
-                          "aspeed-rtc", 0x18ULL);
-    sysbus_init_mmio(sbd, &s->iomem);
-}
-
-static void aspeed_rtc_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-
-    dc->realize = aspeed_rtc_realize;
-    dc->vmsd = &vmstate_aspeed_rtc;
-    dc->reset = aspeed_rtc_reset;
-}
-
-static const TypeInfo aspeed_rtc_info = {
-    .name          = TYPE_ASPEED_RTC,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(AspeedRtcState),
-    .class_init    = aspeed_rtc_class_init,
-};
-
-static void aspeed_rtc_register_types(void)
-{
-    type_register_static(&aspeed_rtc_info);
-}
-
-type_init(aspeed_rtc_register_types)
diff --git a/hw/timer/trace-events b/hw/timer/trace-events
index 1459d07237..e18b87fc96 100644
--- a/hw/timer/trace-events
+++ b/hw/timer/trace-events
@@ -66,10 +66,6 @@ cmsdk_apb_dualtimer_read(uint64_t offset, uint64_t data, unsigned size) "CMSDK A
 cmsdk_apb_dualtimer_write(uint64_t offset, uint64_t data, unsigned size) "CMSDK APB dualtimer write: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u"
 cmsdk_apb_dualtimer_reset(void) "CMSDK APB dualtimer: reset"
 
-# hw/timer/aspeed-rtc.c
-aspeed_rtc_read(uint64_t addr, uint64_t value) "addr 0x%02" PRIx64 " value 0x%08" PRIx64
-aspeed_rtc_write(uint64_t addr, uint64_t value) "addr 0x%02" PRIx64 " value 0x%08" PRIx64
-
 # nrf51_timer.c
 nrf51_timer_read(uint64_t addr, uint32_t value, unsigned size) "read addr 0x%" PRIx64 " data 0x%" PRIx32 " size %u"
 nrf51_timer_write(uint64_t addr, uint32_t value, unsigned size) "write addr 0x%" PRIx64 " data 0x%" PRIx32 " size %u"