From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC4B5C432C2 for ; Wed, 25 Sep 2019 15:03:49 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9F4DB21D7B for ; Wed, 25 Sep 2019 15:03:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9F4DB21D7B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kaod.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:53338 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iD8pX-0001qF-3A for qemu-devel@archiver.kernel.org; Wed, 25 Sep 2019 11:03:47 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52737) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iD8NW-0004XA-Vl for qemu-devel@nongnu.org; Wed, 25 Sep 2019 10:34:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iD8NU-0001OH-J4 for qemu-devel@nongnu.org; Wed, 25 Sep 2019 10:34:50 -0400 Received: from 20.mo1.mail-out.ovh.net ([188.165.45.168]:43982) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iD8NU-0001Nt-DA for qemu-devel@nongnu.org; Wed, 25 Sep 2019 10:34:48 -0400 Received: from player786.ha.ovh.net (unknown [10.108.35.59]) by mo1.mail-out.ovh.net (Postfix) with ESMTP id 3FCF018DEC8 for ; Wed, 25 Sep 2019 16:34:47 +0200 (CEST) Received: from kaod.org (lfbn-1-2229-223.w90-76.abo.wanadoo.fr [90.76.50.223]) (Authenticated sender: clg@kaod.org) by player786.ha.ovh.net (Postfix) with ESMTPSA id B22A5A4D40F2; Wed, 25 Sep 2019 14:34:40 +0000 (UTC) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: Peter Maydell Subject: [PATCH v2 15/23] aspeed/i2c: Introduce an object class per SoC Date: Wed, 25 Sep 2019 16:32:40 +0200 Message-Id: <20190925143248.10000-16-clg@kaod.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190925143248.10000-1-clg@kaod.org> References: <20190925143248.10000-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Ovh-Tracer-Id: 8865054393088576273 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedufedrfedvgdejkecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfqggfjpdevjffgvefmvefgnecuuegrihhlohhuthemucehtddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 188.165.45.168 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: Andrew Jeffery , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , qemu-arm@nongnu.org, qemu-devel@nongnu.org, Joel Stanley Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" It prepares ground for register differences between SoCs. Signed-off-by: C=C3=A9dric Le Goater Reviewed-by: Joel Stanley --- include/hw/i2c/aspeed_i2c.h | 15 ++++++++++ hw/arm/aspeed_soc.c | 3 +- hw/i2c/aspeed_i2c.c | 60 ++++++++++++++++++++++++++++++++----- 3 files changed, 69 insertions(+), 9 deletions(-) diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h index a2753f0bbbaa..6e2dae7db818 100644 --- a/include/hw/i2c/aspeed_i2c.h +++ b/include/hw/i2c/aspeed_i2c.h @@ -25,6 +25,8 @@ #include "hw/sysbus.h" =20 #define TYPE_ASPEED_I2C "aspeed.i2c" +#define TYPE_ASPEED_2400_I2C TYPE_ASPEED_I2C "-ast2400" +#define TYPE_ASPEED_2500_I2C TYPE_ASPEED_I2C "-ast2500" #define ASPEED_I2C(obj) \ OBJECT_CHECK(AspeedI2CState, (obj), TYPE_ASPEED_I2C) =20 @@ -59,6 +61,19 @@ typedef struct AspeedI2CState { AspeedI2CBus busses[ASPEED_I2C_NR_BUSSES]; } AspeedI2CState; =20 +#define ASPEED_I2C_CLASS(klass) \ + OBJECT_CLASS_CHECK(AspeedI2CClass, (klass), TYPE_ASPEED_I2C) +#define ASPEED_I2C_GET_CLASS(obj) \ + OBJECT_GET_CLASS(AspeedI2CClass, (obj), TYPE_ASPEED_I2C) + +typedef struct AspeedI2CClass { + SysBusDeviceClass parent_class; + + uint8_t num_busses; + uint8_t reg_size; + uint8_t gap; +} AspeedI2CClass; + I2CBus *aspeed_i2c_get_bus(DeviceState *dev, int busnr); =20 #endif /* ASPEED_I2C_H */ diff --git a/hw/arm/aspeed_soc.c b/hw/arm/aspeed_soc.c index 5c5fcb810944..e60f198d92c1 100644 --- a/hw/arm/aspeed_soc.c +++ b/hw/arm/aspeed_soc.c @@ -188,8 +188,9 @@ static void aspeed_soc_init(Object *obj) object_property_add_const_link(OBJECT(&s->timerctrl), "scu", OBJECT(&s->scu), &error_abort); =20 + snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname); sysbus_init_child_obj(obj, "i2c", OBJECT(&s->i2c), sizeof(s->i2c), - TYPE_ASPEED_I2C); + typename); =20 snprintf(typename, sizeof(typename), "aspeed.fmc-%s", socname); sysbus_init_child_obj(obj, "fmc", OBJECT(&s->fmc), sizeof(s->fmc), diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index a956eb384922..fabdb01e9747 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -408,10 +408,11 @@ static void aspeed_i2c_reset(DeviceState *dev) { int i; AspeedI2CState *s =3D ASPEED_I2C(dev); + AspeedI2CClass *aic =3D ASPEED_I2C_GET_CLASS(s); =20 s->intr_status =3D 0; =20 - for (i =3D 0; i < ASPEED_I2C_NR_BUSSES; i++) { + for (i =3D 0; i < aic->num_busses; i++) { s->busses[i].intr_ctrl =3D 0; s->busses[i].intr_status =3D 0; s->busses[i].cmd =3D 0; @@ -421,7 +422,7 @@ static void aspeed_i2c_reset(DeviceState *dev) } =20 /* - * Address Definitions + * Address Definitions (AST2400 and AST2500) * * 0x000 ... 0x03F: Global Register * 0x040 ... 0x07F: Device 1 @@ -446,22 +447,24 @@ static void aspeed_i2c_realize(DeviceState *dev, Er= ror **errp) int i; SysBusDevice *sbd =3D SYS_BUS_DEVICE(dev); AspeedI2CState *s =3D ASPEED_I2C(dev); + AspeedI2CClass *aic =3D ASPEED_I2C_GET_CLASS(s); =20 sysbus_init_irq(sbd, &s->irq); memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_i2c_ctrl_ops, s, "aspeed.i2c", 0x1000); sysbus_init_mmio(sbd, &s->iomem); =20 - for (i =3D 0; i < ASPEED_I2C_NR_BUSSES; i++) { - char name[16]; - int offset =3D i < 7 ? 1 : 5; + for (i =3D 0; i < aic->num_busses; i++) { + char name[32]; + int offset =3D i < aic->gap ? 1 : 5; snprintf(name, sizeof(name), "aspeed.i2c.%d", i); s->busses[i].controller =3D s; s->busses[i].id =3D i; s->busses[i].bus =3D i2c_init_bus(dev, name); memory_region_init_io(&s->busses[i].mr, OBJECT(dev), - &aspeed_i2c_bus_ops, &s->busses[i], name, = 0x40); - memory_region_add_subregion(&s->iomem, 0x40 * (i + offset), + &aspeed_i2c_bus_ops, &s->busses[i], name, + aic->reg_size); + memory_region_add_subregion(&s->iomem, aic->reg_size * (i + offs= et), &s->busses[i].mr); } } @@ -481,11 +484,51 @@ static const TypeInfo aspeed_i2c_info =3D { .parent =3D TYPE_SYS_BUS_DEVICE, .instance_size =3D sizeof(AspeedI2CState), .class_init =3D aspeed_i2c_class_init, + .class_size =3D sizeof(AspeedI2CClass), + .abstract =3D true, +}; + +static void aspeed_2400_i2c_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + AspeedI2CClass *aic =3D ASPEED_I2C_CLASS(klass); + + dc->desc =3D "ASPEED 2400 I2C Controller"; + + aic->num_busses =3D 14; + aic->reg_size =3D 0x40; + aic->gap =3D 7; +} + +static const TypeInfo aspeed_2400_i2c_info =3D { + .name =3D TYPE_ASPEED_2400_I2C, + .parent =3D TYPE_ASPEED_I2C, + .class_init =3D aspeed_2400_i2c_class_init, +}; + +static void aspeed_2500_i2c_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + AspeedI2CClass *aic =3D ASPEED_I2C_CLASS(klass); + + dc->desc =3D "ASPEED 2500 I2C Controller"; + + aic->num_busses =3D 14; + aic->reg_size =3D 0x40; + aic->gap =3D 7; +} + +static const TypeInfo aspeed_2500_i2c_info =3D { + .name =3D TYPE_ASPEED_2500_I2C, + .parent =3D TYPE_ASPEED_I2C, + .class_init =3D aspeed_2500_i2c_class_init, }; =20 static void aspeed_i2c_register_types(void) { type_register_static(&aspeed_i2c_info); + type_register_static(&aspeed_2400_i2c_info); + type_register_static(&aspeed_2500_i2c_info); } =20 type_init(aspeed_i2c_register_types) @@ -494,9 +537,10 @@ type_init(aspeed_i2c_register_types) I2CBus *aspeed_i2c_get_bus(DeviceState *dev, int busnr) { AspeedI2CState *s =3D ASPEED_I2C(dev); + AspeedI2CClass *aic =3D ASPEED_I2C_GET_CLASS(s); I2CBus *bus =3D NULL; =20 - if (busnr >=3D 0 && busnr < ASPEED_I2C_NR_BUSSES) { + if (busnr >=3D 0 && busnr < aic->num_busses) { bus =3D s->busses[busnr].bus; } =20 --=20 2.21.0