From patchwork Tue Aug 9 15:38:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 1664965 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4M2Hh36qsXz9s5W for ; Wed, 10 Aug 2022 01:54:43 +1000 (AEST) Received: from localhost ([::1]:48714 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oLRZ4-00011I-11 for incoming@patchwork.ozlabs.org; Tue, 09 Aug 2022 11:54:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57814) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oLRKk-0004ch-32; Tue, 09 Aug 2022 11:39:54 -0400 Received: from gandalf.ozlabs.org ([150.107.74.76]:41129) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oLRKh-0004Qw-O5; Tue, 09 Aug 2022 11:39:53 -0400 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4M2HLt5lvBz4xVH; Wed, 10 Aug 2022 01:39:50 +1000 (AEST) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4M2HLr5WTbz4xTv; Wed, 10 Aug 2022 01:39:48 +1000 (AEST) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-ppc@nongnu.org Cc: Daniel Henrique Barboza , qemu-devel@nongnu.org, BALATON Zoltan , Peter Maydell , =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PATCH v4 15/24] ppc/ppc405: QOM'ify OPBA Date: Tue, 9 Aug 2022 17:38:55 +0200 Message-Id: <20220809153904.485018-16-clg@kaod.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220809153904.485018-1-clg@kaod.org> References: <20220809153904.485018-1-clg@kaod.org> MIME-Version: 1.0 Received-SPF: pass client-ip=150.107.74.76; envelope-from=SRS0=uImW=YN=kaod.org=clg@ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The OPB arbitrer is currently modeled as a simple SysBus device with a unique memory region. Reviewed-by: Daniel Henrique Barboza Signed-off-by: Cédric Le Goater --- hw/ppc/ppc405.h | 12 ++++++++++++ hw/ppc/ppc405_uc.c | 48 +++++++++++++++++++++++++++------------------ hw/ppc/trace-events | 1 - 3 files changed, 41 insertions(+), 20 deletions(-) diff --git a/hw/ppc/ppc405.h b/hw/ppc/ppc405.h index 82bf8dae931f..d63c2acdc7b5 100644 --- a/hw/ppc/ppc405.h +++ b/hw/ppc/ppc405.h @@ -63,6 +63,17 @@ struct ppc4xx_bd_info_t { uint32_t bi_iic_fast[2]; }; +/* OPB arbitrer */ +#define TYPE_PPC405_OPBA "ppc405-opba" +OBJECT_DECLARE_SIMPLE_TYPE(Ppc405OpbaState, PPC405_OPBA); +struct Ppc405OpbaState { + SysBusDevice parent_obj; + + MemoryRegion io; + uint8_t cr; + uint8_t pr; +}; + /* Peripheral controller */ #define TYPE_PPC405_EBC "ppc405-ebc" OBJECT_DECLARE_SIMPLE_TYPE(Ppc405EbcState, PPC405_EBC); @@ -208,6 +219,7 @@ struct Ppc405SoCState { Ppc405GpioState gpio; Ppc405DmaState dma; Ppc405EbcState ebc; + Ppc405OpbaState opba; }; /* PowerPC 405 core */ diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c index 3722387d6ac8..447a654a349a 100644 --- a/hw/ppc/ppc405_uc.c +++ b/hw/ppc/ppc405_uc.c @@ -310,16 +310,10 @@ static void ppc4xx_pob_init(CPUPPCState *env) /*****************************************************************************/ /* OPB arbitrer */ -typedef struct ppc4xx_opba_t ppc4xx_opba_t; -struct ppc4xx_opba_t { - MemoryRegion io; - uint8_t cr; - uint8_t pr; -}; static uint64_t opba_readb(void *opaque, hwaddr addr, unsigned size) { - ppc4xx_opba_t *opba = opaque; + Ppc405OpbaState *opba = PPC405_OPBA(opaque); uint32_t ret; switch (addr) { @@ -341,7 +335,7 @@ static uint64_t opba_readb(void *opaque, hwaddr addr, unsigned size) static void opba_writeb(void *opaque, hwaddr addr, uint64_t value, unsigned size) { - ppc4xx_opba_t *opba = opaque; + Ppc405OpbaState *opba = PPC405_OPBA(opaque); trace_opba_writeb(addr, value); @@ -366,25 +360,31 @@ static const MemoryRegionOps opba_ops = { .endianness = DEVICE_BIG_ENDIAN, }; -static void ppc4xx_opba_reset (void *opaque) +static void ppc405_opba_reset(DeviceState *dev) { - ppc4xx_opba_t *opba; + Ppc405OpbaState *opba = PPC405_OPBA(dev); - opba = opaque; opba->cr = 0x00; /* No dynamic priorities - park disabled */ opba->pr = 0x11; } -static void ppc4xx_opba_init(hwaddr base) +static void ppc405_opba_realize(DeviceState *dev, Error **errp) { - ppc4xx_opba_t *opba; + Ppc405OpbaState *s = PPC405_OPBA(dev); + SysBusDevice *sbd = SYS_BUS_DEVICE(dev); - trace_opba_init(base); + memory_region_init_io(&s->io, OBJECT(s), &opba_ops, s, "opba", 0x002); + sysbus_init_mmio(sbd, &s->io); +} + +static void ppc405_opba_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); - opba = g_new0(ppc4xx_opba_t, 1); - memory_region_init_io(&opba->io, NULL, &opba_ops, opba, "opba", 0x002); - memory_region_add_subregion(get_system_memory(), base, &opba->io); - qemu_register_reset(ppc4xx_opba_reset, opba); + dc->realize = ppc405_opba_realize; + dc->reset = ppc405_opba_reset; + /* Reason: only works as function of a ppc4xx SoC */ + dc->user_creatable = false; } /*****************************************************************************/ @@ -1366,6 +1366,8 @@ static void ppc405_soc_instance_init(Object *obj) object_initialize_child(obj, "dma", &s->dma, TYPE_PPC405_DMA); object_initialize_child(obj, "ebc", &s->ebc, TYPE_PPC405_EBC); + + object_initialize_child(obj, "opba", &s->opba, TYPE_PPC405_OPBA); } static void ppc405_reset(void *opaque) @@ -1402,7 +1404,10 @@ static void ppc405_soc_realize(DeviceState *dev, Error **errp) ppc4xx_pob_init(env); /* OBP arbitrer */ - ppc4xx_opba_init(0xef600600); + if (!sysbus_realize(SYS_BUS_DEVICE(&s->opba), errp)) { + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->opba), 0, 0xef600600); /* Universal interrupt controller */ s->uic = qdev_new(TYPE_PPC_UIC); @@ -1516,6 +1521,11 @@ static void ppc405_soc_class_init(ObjectClass *oc, void *data) static const TypeInfo ppc405_types[] = { { + .name = TYPE_PPC405_OPBA, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(Ppc405OpbaState), + .class_init = ppc405_opba_class_init, + }, { .name = TYPE_PPC405_EBC, .parent = TYPE_PPC4xx_DCR_DEVICE, .instance_size = sizeof(Ppc405EbcState), diff --git a/hw/ppc/trace-events b/hw/ppc/trace-events index 66fbf0e03525..38b62e93484f 100644 --- a/hw/ppc/trace-events +++ b/hw/ppc/trace-events @@ -150,7 +150,6 @@ ppc440_pcix_reg_write(uint64_t addr, uint32_t val, uint32_t size) "addr 0x%" PRI # ppc405_boards.c opba_readb(uint64_t addr, uint32_t val) "addr 0x%" PRIx64 " = 0x%" PRIx32 opba_writeb(uint64_t addr, uint64_t val) "addr 0x%" PRIx64 " = 0x%" PRIx64 -opba_init(uint64_t addr) "offet 0x%" PRIx64 ppc405_gpio_read(uint64_t addr, uint32_t size) "addr 0x%" PRIx64 " size %d" ppc405_gpio_write(uint64_t addr, uint32_t size, uint64_t val) "addr 0x%" PRIx64 " size %d = 0x%" PRIx64