From patchwork Wed Aug 17 15:08:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 1667305 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.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-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4M7BM41WbWz1ygV for ; Thu, 18 Aug 2022 01:12:00 +1000 (AEST) Received: from localhost ([::1]:56996 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oOKi6-0003BB-1Y for incoming@patchwork.ozlabs.org; Wed, 17 Aug 2022 11:11:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39532) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oOKeg-0004cE-Ku; Wed, 17 Aug 2022 11:08:26 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]:43860) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oOKed-0002ma-Oh; Wed, 17 Aug 2022 11:08:26 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 4D5337470B9; Wed, 17 Aug 2022 17:08:22 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 174EA746FDE; Wed, 17 Aug 2022 17:08:22 +0200 (CEST) Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v2 04/31] ppc/ppc405: QOM'ify OCM MIME-Version: 1.0 MIME-Version: 1.0 To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, Daniel Henrique Barboza , Peter Maydell Date: Wed, 17 Aug 2022 17:08:22 +0200 (CEST) X-Spam-Probability: 10% Received-SPF: pass client-ip=2001:738:2001:2001::2001; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham 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" From: Cédric Le Goater The OCM controller is currently modeled as a simple DCR device with a couple of memory regions. Signed-off-by: Cédric Le Goater [balaton: ppc4xx_dcr_register changes] Signed-off-by: BALATON Zoltan --- hw/ppc/ppc405.h | 16 ++++++++++ hw/ppc/ppc405_uc.c | 77 +++++++++++++++++++++++----------------------- 2 files changed, 55 insertions(+), 38 deletions(-) diff --git a/hw/ppc/ppc405.h b/hw/ppc/ppc405.h index bcf55e4f6b..a5b493d3e7 100644 --- a/hw/ppc/ppc405.h +++ b/hw/ppc/ppc405.h @@ -63,6 +63,21 @@ struct ppc4xx_bd_info_t { uint32_t bi_iic_fast[2]; }; +/* On Chip Memory */ +#define TYPE_PPC405_OCM "ppc405-ocm" +OBJECT_DECLARE_SIMPLE_TYPE(Ppc405OcmState, PPC405_OCM); +struct Ppc405OcmState { + Ppc4xxDcrDeviceState parent_obj; + + MemoryRegion ram; + MemoryRegion isarc_ram; + MemoryRegion dsarc_ram; + uint32_t isarc; + uint32_t isacntl; + uint32_t dsarc; + uint32_t dsacntl; +}; + /* General purpose timers */ #define TYPE_PPC405_GPT "ppc405-gpt" OBJECT_DECLARE_SIMPLE_TYPE(Ppc405GptState, PPC405_GPT); @@ -136,6 +151,7 @@ struct Ppc405SoCState { DeviceState *uic; Ppc405CpcState cpc; Ppc405GptState gpt; + Ppc405OcmState ocm; }; /* PowerPC 405 core */ diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c index bf95fabdc0..2282cfcd18 100644 --- a/hw/ppc/ppc405_uc.c +++ b/hw/ppc/ppc405_uc.c @@ -773,20 +773,9 @@ enum { OCM0_DSACNTL = 0x01B, }; -typedef struct ppc405_ocm_t ppc405_ocm_t; -struct ppc405_ocm_t { - MemoryRegion ram; - MemoryRegion isarc_ram; - MemoryRegion dsarc_ram; - uint32_t isarc; - uint32_t isacntl; - uint32_t dsarc; - uint32_t dsacntl; -}; - -static void ocm_update_mappings (ppc405_ocm_t *ocm, - uint32_t isarc, uint32_t isacntl, - uint32_t dsarc, uint32_t dsacntl) +static void ocm_update_mappings(Ppc405OcmState *ocm, + uint32_t isarc, uint32_t isacntl, + uint32_t dsarc, uint32_t dsacntl) { trace_ocm_update_mappings(isarc, isacntl, dsarc, dsacntl, ocm->isarc, ocm->isacntl, ocm->dsarc, ocm->dsacntl); @@ -828,12 +817,11 @@ static void ocm_update_mappings (ppc405_ocm_t *ocm, } } -static uint32_t dcr_read_ocm (void *opaque, int dcrn) +static uint32_t dcr_read_ocm(void *opaque, int dcrn) { - ppc405_ocm_t *ocm; + Ppc405OcmState *ocm = opaque; uint32_t ret; - ocm = opaque; switch (dcrn) { case OCM0_ISARC: ret = ocm->isarc; @@ -855,12 +843,11 @@ static uint32_t dcr_read_ocm (void *opaque, int dcrn) return ret; } -static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val) +static void dcr_write_ocm(void *opaque, int dcrn, uint32_t val) { - ppc405_ocm_t *ocm; + Ppc405OcmState *ocm = opaque; uint32_t isarc, dsarc, isacntl, dsacntl; - ocm = opaque; isarc = ocm->isarc; dsarc = ocm->dsarc; isacntl = ocm->isacntl; @@ -886,12 +873,11 @@ static void dcr_write_ocm (void *opaque, int dcrn, uint32_t val) ocm->dsacntl = dsacntl; } -static void ocm_reset (void *opaque) +static void ppc405_ocm_reset(DeviceState *dev) { - ppc405_ocm_t *ocm; + Ppc405OcmState *ocm = PPC405_OCM(dev); uint32_t isarc, dsarc, isacntl, dsacntl; - ocm = opaque; isarc = 0x00000000; isacntl = 0x00000000; dsarc = 0x00000000; @@ -903,25 +889,31 @@ static void ocm_reset (void *opaque) ocm->dsacntl = dsacntl; } -static void ppc405_ocm_init(CPUPPCState *env) +static void ppc405_ocm_realize(DeviceState *dev, Error **errp) { - ppc405_ocm_t *ocm; + Ppc405OcmState *ocm = PPC405_OCM(dev); + Ppc4xxDcrDeviceState *dcr = PPC4xx_DCR_DEVICE(dev); - ocm = g_new0(ppc405_ocm_t, 1); /* XXX: Size is 4096 or 0x04000000 */ - memory_region_init_ram(&ocm->isarc_ram, NULL, "ppc405.ocm", 4 * KiB, + memory_region_init_ram(&ocm->isarc_ram, OBJECT(ocm), "ppc405.ocm", 4 * KiB, &error_fatal); - memory_region_init_alias(&ocm->dsarc_ram, NULL, "ppc405.dsarc", + memory_region_init_alias(&ocm->dsarc_ram, OBJECT(ocm), "ppc405.dsarc", &ocm->isarc_ram, 0, 4 * KiB); - qemu_register_reset(&ocm_reset, ocm); - ppc_dcr_register(env, OCM0_ISARC, - ocm, &dcr_read_ocm, &dcr_write_ocm); - ppc_dcr_register(env, OCM0_ISACNTL, - ocm, &dcr_read_ocm, &dcr_write_ocm); - ppc_dcr_register(env, OCM0_DSARC, - ocm, &dcr_read_ocm, &dcr_write_ocm); - ppc_dcr_register(env, OCM0_DSACNTL, - ocm, &dcr_read_ocm, &dcr_write_ocm); + + ppc4xx_dcr_register(dcr, OCM0_ISARC, ocm, &dcr_read_ocm, &dcr_write_ocm); + ppc4xx_dcr_register(dcr, OCM0_ISACNTL, ocm, &dcr_read_ocm, &dcr_write_ocm); + ppc4xx_dcr_register(dcr, OCM0_DSARC, ocm, &dcr_read_ocm, &dcr_write_ocm); + ppc4xx_dcr_register(dcr, OCM0_DSACNTL, ocm, &dcr_read_ocm, &dcr_write_ocm); +} + +static void ppc405_ocm_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + dc->realize = ppc405_ocm_realize; + dc->reset = ppc405_ocm_reset; + /* Reason: only works as function of a ppc4xx SoC */ + dc->user_creatable = false; } /*****************************************************************************/ @@ -1417,6 +1409,8 @@ static void ppc405_soc_instance_init(Object *obj) object_property_add_alias(obj, "sys-clk", OBJECT(&s->cpc), "sys-clk"); object_initialize_child(obj, "gpt", &s->gpt, TYPE_PPC405_GPT); + + object_initialize_child(obj, "ocm", &s->ocm, TYPE_PPC405_OCM); } static void ppc405_reset(void *opaque) @@ -1513,7 +1507,9 @@ static void ppc405_soc_realize(DeviceState *dev, Error **errp) } /* OCM */ - ppc405_ocm_init(env); + if (!ppc4xx_dcr_realize(PPC4xx_DCR_DEVICE(&s->ocm), &s->cpu, errp)) { + return; + } /* GPT */ sbd = SYS_BUS_DEVICE(&s->gpt); @@ -1556,6 +1552,11 @@ static void ppc405_soc_class_init(ObjectClass *oc, void *data) static const TypeInfo ppc405_types[] = { { + .name = TYPE_PPC405_OCM, + .parent = TYPE_PPC4xx_DCR_DEVICE, + .instance_size = sizeof(Ppc405OcmState), + .class_init = ppc405_ocm_class_init, + }, { .name = TYPE_PPC405_GPT, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(Ppc405GptState),