From nobody Thu May 2 14:58:54 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 155375458871129.68962182243945; Wed, 27 Mar 2019 23:29:48 -0700 (PDT) Received: from localhost ([127.0.0.1]:59916 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h9OXp-0004oC-E5 for importer@patchew.org; Thu, 28 Mar 2019 02:29:45 -0400 Received: from eggs.gnu.org ([209.51.188.92]:33163) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h9OVG-0003Hx-JQ for qemu-devel@nongnu.org; Thu, 28 Mar 2019 02:27:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h9OR8-000141-QY for qemu-devel@nongnu.org; Thu, 28 Mar 2019 02:22:52 -0400 Received: from mail-pl1-x644.google.com ([2607:f8b0:4864:20::644]:35393) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1h9OR6-00012k-OD; Thu, 28 Mar 2019 02:22:48 -0400 Received: by mail-pl1-x644.google.com with SMTP id p19so4488014plo.2; Wed, 27 Mar 2019 23:22:48 -0700 (PDT) Received: from voyager.jms.id.au ([36.255.48.244]) by smtp.gmail.com with ESMTPSA id z128sm51679264pfz.107.2019.03.27.23.22.44 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 27 Mar 2019 23:22:47 -0700 (PDT) Received: by voyager.jms.id.au (sSMTP sendmail emulation); Thu, 28 Mar 2019 16:52:41 +1030 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=4FxN9V/BT41CZKahL7Uifpdg4DmO88QVnNaG9tmDErY=; b=OJIKvzzmJhwlOL+C+WB5fsur6hHOEpTXJd4uR4diauBKA4nwqJm6QorON4KO7BK2I4 GyJv251CB8SSp3uaI2I79NjNfko/zrZtCTnAiRVPVVDHQFu92dK04+7PVEFoPDELlYdG zHAMo6u0kvhI9eoi83vhpJiOr8vu0HqyMJ8AM56EI8MjKlMuV5Gsydh4ilLumygJPofH JAQ1OADMI5jdQ38wOUprvdIzcphz2d+4uqQvolP2yxlSv6aihV3ND1EwuNULyB4AODqs YLiO0h+qxhjVNCqz+0VUiZ6lRUJ4EAaAHugMDUHR87v+Cj5OOUhEacwvEJlFKivXKHvr uXrw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=4FxN9V/BT41CZKahL7Uifpdg4DmO88QVnNaG9tmDErY=; b=pt4dK5H/P8D8tWmhrTww/VPtDUU5xB1wPHoJR5jsWV+xMoVUzK23pELf+TQpMvyTU5 S9PlEei4Mh3OCJ5AHTUj1aay5dJLLydvj/og6o8VO2Ugr3WKe6s2cUu0JGBVoJ8qdJa/ mIiJy4dqC2Gm25rSgCEGCzCBT+8msZXrDlWWuvZ0g3RPMc6hOnOwOnylSZ48crsMDe0N xodS9scDNK0DCeWOlZWT5Kl4uclobIIJ4wF9V6kwyPkxFx8YOhTYo4vpetD18oJ70hpN t9Fpej8KVT+qDedQhaIOzFrf1PoASWqrGa/mClALikoMmMdFG6W9DoRdygISeH336JUO Dx8w== X-Gm-Message-State: APjAAAXDhrWU9A5LluAufTzzZT89D6N+RxeXcgjo6ehrmKNqP1H32AOS OCXlzBdNWi7FlRETkf4EvR24PH+lK18= X-Google-Smtp-Source: APXvYqzFnys3it2wMsI7fhTmH9ZhkdQIXO88f9uxcdWXQKCBvtsZtQrPlJn6B677/9GNgLCizVd/jw== X-Received: by 2002:a17:902:b48c:: with SMTP id y12mr41776255plr.280.1553754167684; Wed, 27 Mar 2019 23:22:47 -0700 (PDT) From: Joel Stanley To: Peter Maydell , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Andrew Jeffery Date: Thu, 28 Mar 2019 16:52:21 +1030 Message-Id: <20190328062222.8409-2-joel@jms.id.au> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190328062222.8409-1-joel@jms.id.au> References: <20190328062222.8409-1-joel@jms.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::644 Subject: [Qemu-devel] [PATCH 1/2] hw: timer: Add ASPEED RTC device X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Signed-off-by: Joel Stanley Signed-off-by: C=C3=A9dric Le Goater --- hw/timer/Makefile.objs | 2 +- hw/timer/aspeed_rtc.c | 157 ++++++++++++++++++++++++++++++++++ hw/timer/trace-events | 4 + include/hw/timer/aspeed_rtc.h | 31 +++++++ 4 files changed, 193 insertions(+), 1 deletion(-) create mode 100644 hw/timer/aspeed_rtc.c create mode 100644 include/hw/timer/aspeed_rtc.h diff --git a/hw/timer/Makefile.objs b/hw/timer/Makefile.objs index 0e9a4530f848..123d92c9692c 100644 --- a/hw/timer/Makefile.objs +++ b/hw/timer/Makefile.objs @@ -41,7 +41,7 @@ obj-$(CONFIG_MC146818RTC) +=3D mc146818rtc.o obj-$(CONFIG_ALLWINNER_A10_PIT) +=3D allwinner-a10-pit.o =20 common-obj-$(CONFIG_STM32F2XX_TIMER) +=3D stm32f2xx_timer.o -common-obj-$(CONFIG_ASPEED_SOC) +=3D aspeed_timer.o +common-obj-$(CONFIG_ASPEED_SOC) +=3D aspeed_timer.o aspeed_rtc.o =20 common-obj-$(CONFIG_SUN4V_RTC) +=3D sun4v-rtc.o common-obj-$(CONFIG_CMSDK_APB_TIMER) +=3D cmsdk-apb-timer.o diff --git a/hw/timer/aspeed_rtc.c b/hw/timer/aspeed_rtc.c new file mode 100644 index 000000000000..daccf00eccdc --- /dev/null +++ b/hw/timer/aspeed_rtc.c @@ -0,0 +1,157 @@ +/* + * ASPEED Real Time Clock + * Joel Stanley + * + * 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 "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 =3D rtc->reg[COUNTER1]; + uint32_t reg2 =3D rtc->reg[COUNTER2]; + + tm.tm_mday =3D (reg1 >> 24) & 0x1f; + tm.tm_hour =3D (reg1 >> 16) & 0x1f; + tm.tm_min =3D (reg1 >> 8) & 0x3f; + tm.tm_sec =3D (reg1 >> 0) & 0x3f; + + cent =3D (reg2 >> 16) & 0x1f; + year =3D (reg2 >> 8) & 0x7f; + tm.tm_mon =3D ((reg2 >> 0) & 0x0f) - 1; + tm.tm_year =3D year + (cent * 100) - 1900; + + rtc->offset =3D 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 =3D (now.tm_year + 1900) / 100; + year =3D now.tm_year % 100; + return ((cent & 0x1f) << 16) | ((year & 0x7f) << 8) | + ((now.tm_mon + 1) & 0xf); + default: + abort(); + } +} + +static uint64_t aspeed_rtc_read(void *opaque, hwaddr addr, + unsigned size) +{ + AspeedRtcState *rtc =3D opaque; + uint64_t val; + uint32_t r =3D addr >> 2; + + switch (r) { + case COUNTER1: + case COUNTER2: + if (rtc->reg[CONTROL] & RTC_ENABLED) { + rtc->reg[r] =3D aspeed_rtc_get_counter(rtc, r); + } + case ALARM: + case CONTROL: + case ALARM_STATUS: + val =3D rtc->reg[r]; + break; + default: + qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx "\n", __func__, add= r); + 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 =3D opaque; + uint32_t r =3D addr >> 2; + + switch (r) { + case COUNTER1: + case COUNTER2: + if (!(rtc->reg[CONTROL] & RTC_UNLOCKED)) { + break; + } + case CONTROL: + rtc->reg[r] =3D val; + aspeed_rtc_calc_offset(rtc); + break; + case ALARM: + case ALARM_STATUS: + default: + qemu_log_mask(LOG_UNIMP, "%s: 0x%" HWADDR_PRIx "\n", __func__, add= r); + break; + } + trace_aspeed_rtc_write(addr, val); +} + +static const MemoryRegionOps aspeed_rtc_ops =3D { + .read =3D aspeed_rtc_read, + .write =3D aspeed_rtc_write, + .endianness =3D DEVICE_NATIVE_ENDIAN, +}; + +static void aspeed_rtc_realize(DeviceState *dev, Error **errp) +{ + SysBusDevice *sbd =3D SYS_BUS_DEVICE(dev); + AspeedRtcState *s =3D 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 =3D DEVICE_CLASS(klass); + + dc->realize =3D aspeed_rtc_realize; +} + +static const TypeInfo aspeed_rtc_info =3D { + .name =3D TYPE_ASPEED_RTC, + .parent =3D TYPE_SYS_BUS_DEVICE, + .instance_size =3D sizeof(AspeedRtcState), + .class_init =3D 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 dcaf3d6da6c8..db02a9142cda 100644 --- a/hw/timer/trace-events +++ b/hw/timer/trace-events @@ -66,6 +66,10 @@ 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" =20 +# 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 " valu= e 0x%08" PRIx64 + # sun4v-rtc.c sun4v_rtc_read(uint64_t addr, uint64_t value) "read: addr 0x%" PRIx64 " va= lue 0x%" PRIx64 sun4v_rtc_write(uint64_t addr, uint64_t value) "write: addr 0x%" PRIx64 " = value 0x%" PRIx64 diff --git a/include/hw/timer/aspeed_rtc.h b/include/hw/timer/aspeed_rtc.h new file mode 100644 index 000000000000..1f1155a676c1 --- /dev/null +++ b/include/hw/timer/aspeed_rtc.h @@ -0,0 +1,31 @@ +/* + * ASPEED Real Time Clock + * Joel Stanley + * + * Copyright 2019 IBM Corp + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#ifndef ASPEED_RTC_H +#define ASPEED_RTC_H + +#include + +#include "hw/hw.h" +#include "hw/irq.h" +#include "hw/sysbus.h" + +typedef struct AspeedRtcState { + SysBusDevice parent_obj; + + MemoryRegion iomem; + qemu_irq irq; + + uint32_t reg[0x18]; + int offset; + +} AspeedRtcState; + +#define TYPE_ASPEED_RTC "aspeed.rtc" +#define ASPEED_RTC(obj) OBJECT_CHECK(AspeedRtcState, (obj), TYPE_ASPEED_RT= C) + +#endif /* ASPEED_RTC_H */ --=20 2.20.1 From nobody Thu May 2 14:58:54 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1553754562057145.99606113608854; Wed, 27 Mar 2019 23:29:22 -0700 (PDT) Received: from localhost ([127.0.0.1]:59914 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h9OXM-0004Uv-JK for importer@patchew.org; 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Wed, 27 Mar 2019 23:22:54 -0700 (PDT) From: Joel Stanley To: Peter Maydell , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Andrew Jeffery Date: Thu, 28 Mar 2019 16:52:22 +1030 Message-Id: <20190328062222.8409-3-joel@jms.id.au> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190328062222.8409-1-joel@jms.id.au> References: <20190328062222.8409-1-joel@jms.id.au> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::642 Subject: [Qemu-devel] [PATCH 2/2] hw/arm/aspeed: Add RTC to SoC X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Signed-off-by: Joel Stanley Signed-off-by: C=C3=A9dric Le Goater --- hw/arm/aspeed_soc.c | 15 +++++++++++++++ include/hw/arm/aspeed_soc.h | 2 ++ 2 files changed, 17 insertions(+) diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index a27233d4876b..628ec633c91a 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -32,6 +32,7 @@ #define ASPEED_SOC_SDMC_BASE 0x1E6E0000 #define ASPEED_SOC_SCU_BASE 0x1E6E2000 #define ASPEED_SOC_SRAM_BASE 0x1E720000 +#define ASPEED_SOC_RTC_BASE 0x1E781000 #define ASPEED_SOC_TIMER_BASE 0x1E782000 #define ASPEED_SOC_WDT_BASE 0x1E785000 #define ASPEED_SOC_I2C_BASE 0x1E78A000 @@ -135,6 +136,10 @@ static void aspeed_soc_init(Object *obj) object_property_add_child(obj, "i2c", OBJECT(&s->i2c), NULL); qdev_set_parent_bus(DEVICE(&s->i2c), sysbus_get_default()); =20 + object_initialize(&s->rtc, sizeof(s->rtc), TYPE_ASPEED_RTC); + object_property_add_child(obj, "rtc", OBJECT(&s->rtc), NULL); + qdev_set_parent_bus(DEVICE(&s->rtc), sysbus_get_default()); + object_initialize(&s->fmc, sizeof(s->fmc), sc->info->fmc_typename); object_property_add_child(obj, "fmc", OBJECT(&s->fmc), NULL); qdev_set_parent_bus(DEVICE(&s->fmc), sysbus_get_default()); @@ -231,6 +236,16 @@ static void aspeed_soc_realize(DeviceState *dev, Error= **errp) sysbus_connect_irq(SYS_BUS_DEVICE(&s->timerctrl), i, irq); } =20 + /* RTC */ + object_property_set_bool(OBJECT(&s->rtc), true, "realized", &err); + if (err) { + error_propagate(errp, err); + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->rtc), 0, ASPEED_SOC_RTC_BASE); + sysbus_connect_irq(SYS_BUS_DEVICE(&s->rtc), 0, + qdev_get_gpio_in(DEVICE(&s->vic), 22)); + /* UART - attach an 8250 to the IO space as our UART5 */ if (serial_hd(0)) { qemu_irq uart5 =3D qdev_get_gpio_in(DEVICE(&s->vic), uart_irqs[4]); diff --git a/include/hw/arm/aspeed_soc.h b/include/hw/arm/aspeed_soc.h index 11ec0179db50..a5f8f219e404 100644 --- a/include/hw/arm/aspeed_soc.h +++ b/include/hw/arm/aspeed_soc.h @@ -17,6 +17,7 @@ #include "hw/misc/aspeed_scu.h" #include "hw/misc/aspeed_sdmc.h" #include "hw/timer/aspeed_timer.h" +#include "hw/timer/aspeed_rtc.h" #include "hw/i2c/aspeed_i2c.h" #include "hw/ssi/aspeed_smc.h" #include "hw/watchdog/wdt_aspeed.h" @@ -33,6 +34,7 @@ typedef struct AspeedSoCState { ARMCPU cpu; MemoryRegion sram; AspeedVICState vic; + AspeedRtcState rtc; AspeedTimerCtrlState timerctrl; AspeedI2CState i2c; AspeedSCUState scu; --=20 2.20.1