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Sun, 3 Nov 2019 07:55:15 +0000 From: Anup Patel To: Peter Maydell , Palmer Dabbelt , Alistair Francis , Sagar Karandikar , Bastian Koppelmann Subject: [PATCH v6 0/3] RTC support for QEMU RISC-V virt machine Thread-Topic: [PATCH v6 0/3] RTC support for QEMU RISC-V virt machine Thread-Index: AQHVkhwHtaMdVeAHgEeQqW1cWu5BtA== Date: Sun, 3 Nov 2019 07:55:15 +0000 Message-ID: <20191103075353.86497-1-anup.patel@wdc.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: MA1PR0101CA0058.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:20::20) To DM6PR04MB6059.namprd04.prod.outlook.com (2603:10b6:5:129::25) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Anup.Patel@wdc.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.17.1 x-originating-ip: [106.51.18.255] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 62d03ee1-a35b-4d50-7b57-08d76033299a x-ms-traffictypediagnostic: DM6PR04MB4635: x-ms-exchange-purlcount: 1 x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:7691; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: 62d03ee1-a35b-4d50-7b57-08d76033299a X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Nov 2019 07:55:15.7630 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: yz7XHUpLoQST2SJuZgkkUeV3J++wZAGMf9SeheNQ5LiiPubLEH9gIcY4o5nmJknDV2Yzp0owyrf4a+QcS5Xbwg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR04MB4635 X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 68.232.141.245 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Atish Patra , Anup Patel , "qemu-riscv@nongnu.org" , "qemu-devel@nongnu.org" , Anup Patel Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This series adds RTC device to QEMU RISC-V virt machine. We have selected Goldfish RTC device model for this. It's a pretty simple synthetic device with few MMIO registers and no dependency external clock. The driver for Goldfish RTC is already available in Linux so we just need to enable it in Kconfig for RISCV and also update Linux defconfigs. We have tested this series with Linux-5.4-rc4 plus defconfig changes available in 'goldfish_rtc_v2' branch of: https://github.com/avpatel/linux.git Changes since v5: - Rebased on latest QEMU master - Added maintainer entry for Goldfish RTC Changes since v4: - Fixed typo in trace event usage - Moved goldfish_rtc.h to correct location Changes since v3: - Address all nit comments from Alistair Changes since v2: - Rebased on RTC code refactoring Changes since v1: - Implemented VMState save/restore callbacks Anup Patel (3): hw: rtc: Add Goldfish RTC device riscv: virt: Use Goldfish RTC device MAINTAINERS: Add maintainer entry for Goldfish RTC MAINTAINERS | 7 + hw/riscv/Kconfig | 1 + hw/riscv/virt.c | 15 ++ hw/rtc/Kconfig | 3 + hw/rtc/Makefile.objs | 1 + hw/rtc/goldfish_rtc.c | 288 ++++++++++++++++++++++++++++++++++ hw/rtc/trace-events | 4 + include/hw/riscv/virt.h | 2 + include/hw/rtc/goldfish_rtc.h | 46 ++++++ 9 files changed, 367 insertions(+) create mode 100644 hw/rtc/goldfish_rtc.c create mode 100644 include/hw/rtc/goldfish_rtc.h -- 2.17.1