From nobody Mon Feb 9 22:38:46 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.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 1659534056602715.9743813169957; Wed, 3 Aug 2022 06:40:56 -0700 (PDT) Received: from localhost ([::1]:49010 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oJEcJ-0001fO-EM for importer@patchew.org; Wed, 03 Aug 2022 09:40:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52092) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJER5-0002lM-9I; Wed, 03 Aug 2022 09:29:19 -0400 Received: from mail.ozlabs.org ([2404:9400:2221:ea00::3]:53853 helo=gandalf.ozlabs.org) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oJER2-0000Xr-S8; Wed, 03 Aug 2022 09:29:19 -0400 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4LyXkv4bBVz4xG7; Wed, 3 Aug 2022 23:29:11 +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 4LyXks64KXz4x1Y; Wed, 3 Aug 2022 23:29:09 +1000 (AEST) From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= To: qemu-ppc@nongnu.org Cc: Daniel Henrique Barboza , qemu-devel@nongnu.org, BALATON Zoltan , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PATCH v2 07/20] ppc/ppc405: QOM'ify CPC Date: Wed, 3 Aug 2022 15:28:31 +0200 Message-Id: <20220803132844.2370514-8-clg@kaod.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220803132844.2370514-1-clg@kaod.org> References: <20220803132844.2370514-1-clg@kaod.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.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; Received-SPF: pass client-ip=2404:9400:2221:ea00::3; envelope-from=SRS0=fO70=YH=kaod.org=clg@ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_PASS=-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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1659534058179100001 Introduce a QOM property "cpu" to initialize the DCR handlers. This is a pattern that we will reuse for the all other 405 devices needing it. Now that all clock settings are handled at the CPC level, change the SoC "sys-clk" property to be an alias on the same property in the CPC model. Reviewed-by: Daniel Henrique Barboza Signed-off-by: C=C3=A9dric Le Goater --- hw/ppc/ppc405.h | 39 +++++++++++++++- hw/ppc/ppc405_uc.c | 109 +++++++++++++++++++-------------------------- 2 files changed, 85 insertions(+), 63 deletions(-) diff --git a/hw/ppc/ppc405.h b/hw/ppc/ppc405.h index ae64549537c6..88c63774d9ba 100644 --- a/hw/ppc/ppc405.h +++ b/hw/ppc/ppc405.h @@ -63,6 +63,43 @@ struct ppc4xx_bd_info_t { uint32_t bi_iic_fast[2]; }; =20 +typedef struct Ppc405SoCState Ppc405SoCState; + +#define TYPE_PPC405_CPC "ppc405-cpc" +OBJECT_DECLARE_SIMPLE_TYPE(Ppc405CpcState, PPC405_CPC); + +enum { + PPC405EP_CPU_CLK =3D 0, + PPC405EP_PLB_CLK =3D 1, + PPC405EP_OPB_CLK =3D 2, + PPC405EP_EBC_CLK =3D 3, + PPC405EP_MAL_CLK =3D 4, + PPC405EP_PCI_CLK =3D 5, + PPC405EP_UART0_CLK =3D 6, + PPC405EP_UART1_CLK =3D 7, + PPC405EP_CLK_NB =3D 8, +}; + +struct Ppc405CpcState { + DeviceState parent_obj; + + PowerPCCPU *cpu; + + uint32_t sysclk; + clk_setup_t clk_setup[PPC405EP_CLK_NB]; + uint32_t boot; + uint32_t epctl; + uint32_t pllmr[2]; + uint32_t ucr; + uint32_t srr; + uint32_t jtagid; + uint32_t pci; + /* Clock and power management */ + uint32_t er; + uint32_t fr; + uint32_t sr; +}; + #define TYPE_PPC405_SOC "ppc405-soc" OBJECT_DECLARE_SIMPLE_TYPE(Ppc405SoCState, PPC405_SOC); =20 @@ -79,9 +116,9 @@ struct Ppc405SoCState { MemoryRegion *dram_mr; hwaddr ram_size; =20 - uint32_t sysclk; PowerPCCPU cpu; DeviceState *uic; + Ppc405CpcState cpc; }; =20 /* PowerPC 405 core */ diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c index 013dccee898b..32bfc9480bc6 100644 --- a/hw/ppc/ppc405_uc.c +++ b/hw/ppc/ppc405_uc.c @@ -1178,36 +1178,7 @@ enum { #endif }; =20 -enum { - PPC405EP_CPU_CLK =3D 0, - PPC405EP_PLB_CLK =3D 1, - PPC405EP_OPB_CLK =3D 2, - PPC405EP_EBC_CLK =3D 3, - PPC405EP_MAL_CLK =3D 4, - PPC405EP_PCI_CLK =3D 5, - PPC405EP_UART0_CLK =3D 6, - PPC405EP_UART1_CLK =3D 7, - PPC405EP_CLK_NB =3D 8, -}; - -typedef struct ppc405ep_cpc_t ppc405ep_cpc_t; -struct ppc405ep_cpc_t { - uint32_t sysclk; - clk_setup_t clk_setup[PPC405EP_CLK_NB]; - uint32_t boot; - uint32_t epctl; - uint32_t pllmr[2]; - uint32_t ucr; - uint32_t srr; - uint32_t jtagid; - uint32_t pci; - /* Clock and power management */ - uint32_t er; - uint32_t fr; - uint32_t sr; -}; - -static void ppc405ep_compute_clocks (ppc405ep_cpc_t *cpc) +static void ppc405ep_compute_clocks(Ppc405CpcState *cpc) { uint32_t CPU_clk, PLB_clk, OPB_clk, EBC_clk, MAL_clk, PCI_clk; uint32_t UART0_clk, UART1_clk; @@ -1302,10 +1273,9 @@ static void ppc405ep_compute_clocks (ppc405ep_cpc_t = *cpc) =20 static uint32_t dcr_read_epcpc (void *opaque, int dcrn) { - ppc405ep_cpc_t *cpc; + Ppc405CpcState *cpc =3D PPC405_CPC(opaque); uint32_t ret; =20 - cpc =3D opaque; switch (dcrn) { case PPC405EP_CPC0_BOOT: ret =3D cpc->boot; @@ -1342,9 +1312,8 @@ static uint32_t dcr_read_epcpc (void *opaque, int dcr= n) =20 static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val) { - ppc405ep_cpc_t *cpc; + Ppc405CpcState *cpc =3D PPC405_CPC(opaque); =20 - cpc =3D opaque; switch (dcrn) { case PPC405EP_CPC0_BOOT: /* Read-only register */ @@ -1377,9 +1346,9 @@ static void dcr_write_epcpc (void *opaque, int dcrn, = uint32_t val) } } =20 -static void ppc405ep_cpc_reset (void *opaque) +static void ppc405_cpc_reset(DeviceState *dev) { - ppc405ep_cpc_t *cpc =3D opaque; + Ppc405CpcState *cpc =3D PPC405_CPC(dev); =20 cpc->boot =3D 0x00000010; /* Boot from PCI - IIC EEPROM disabled */ cpc->epctl =3D 0x00000000; @@ -1391,21 +1360,24 @@ static void ppc405ep_cpc_reset (void *opaque) cpc->er =3D 0x00000000; cpc->fr =3D 0x00000000; cpc->sr =3D 0x00000000; + cpc->jtagid =3D 0x20267049; ppc405ep_compute_clocks(cpc); } =20 /* XXX: sysclk should be between 25 and 100 MHz */ -static void ppc405ep_cpc_init (CPUPPCState *env, clk_setup_t clk_setup[8], - uint32_t sysclk) +static void ppc405_cpc_realize(DeviceState *dev, Error **errp) { - ppc405ep_cpc_t *cpc; + Ppc405CpcState *cpc =3D PPC405_CPC(dev); + CPUPPCState *env; + + assert(cpc->cpu); + + env =3D &cpc->cpu->env; + + cpc->clk_setup[PPC405EP_CPU_CLK].cb =3D + ppc_40x_timers_init(env, cpc->sysclk, PPC_INTERRUPT_PIT); + cpc->clk_setup[PPC405EP_CPU_CLK].opaque =3D env; =20 - cpc =3D g_new0(ppc405ep_cpc_t, 1); - memcpy(cpc->clk_setup, clk_setup, - PPC405EP_CLK_NB * sizeof(clk_setup_t)); - cpc->jtagid =3D 0x20267049; - cpc->sysclk =3D sysclk; - qemu_register_reset(&ppc405ep_cpc_reset, cpc); ppc_dcr_register(env, PPC405EP_CPC0_BOOT, cpc, &dcr_read_epcpc, &dcr_write_epcpc); ppc_dcr_register(env, PPC405EP_CPC0_EPCTL, cpc, @@ -1422,14 +1394,23 @@ static void ppc405ep_cpc_init (CPUPPCState *env, cl= k_setup_t clk_setup[8], &dcr_read_epcpc, &dcr_write_epcpc); ppc_dcr_register(env, PPC405EP_CPC0_PCI, cpc, &dcr_read_epcpc, &dcr_write_epcpc); -#if 0 - ppc_dcr_register(env, PPC405EP_CPC0_ER, cpc, - &dcr_read_epcpc, &dcr_write_epcpc); - ppc_dcr_register(env, PPC405EP_CPC0_FR, cpc, - &dcr_read_epcpc, &dcr_write_epcpc); - ppc_dcr_register(env, PPC405EP_CPC0_SR, cpc, - &dcr_read_epcpc, &dcr_write_epcpc); -#endif +} + +static Property ppc405_cpc_properties[] =3D { + DEFINE_PROP_LINK("cpu", Ppc405CpcState, cpu, TYPE_POWERPC_CPU, + PowerPCCPU *), + DEFINE_PROP_UINT32("sys-clk", Ppc405CpcState, sysclk, 0), + DEFINE_PROP_END_OF_LIST(), +}; + +static void ppc405_cpc_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(oc); + + dc->realize =3D ppc405_cpc_realize; + dc->user_creatable =3D false; + dc->reset =3D ppc405_cpc_reset; + device_class_set_props(dc, ppc405_cpc_properties); } =20 static void ppc405_soc_instance_init(Object *obj) @@ -1438,12 +1419,14 @@ static void ppc405_soc_instance_init(Object *obj) =20 object_initialize_child(obj, "cpu", &s->cpu, POWERPC_CPU_TYPE_NAME("405ep")); + + object_initialize_child(obj, "cpc", &s->cpc, TYPE_PPC405_CPC); + object_property_add_alias(obj, "sys-clk", OBJECT(&s->cpc), "sys-clk"); } =20 static void ppc405_soc_realize(DeviceState *dev, Error **errp) { Ppc405SoCState *s =3D PPC405_SOC(dev); - clk_setup_t clk_setup[PPC405EP_CLK_NB]; qemu_irq dma_irqs[4], gpt_irqs[5], mal_irqs[4]; CPUPPCState *env; Error *err =3D NULL; @@ -1458,8 +1441,6 @@ static void ppc405_soc_realize(DeviceState *dev, Erro= r **errp) memory_region_add_subregion(get_system_memory(), PPC405EP_SRAM_BASE, &s->sram); =20 - memset(clk_setup, 0, sizeof(clk_setup)); - /* init CPUs */ if (!qdev_realize(DEVICE(&s->cpu), NULL, errp)) { return; @@ -1468,14 +1449,14 @@ static void ppc405_soc_realize(DeviceState *dev, Er= ror **errp) =20 env =3D &s->cpu.env; =20 - clk_setup[PPC405EP_CPU_CLK].cb =3D - ppc_40x_timers_init(env, s->sysclk, PPC_INTERRUPT_PIT); - clk_setup[PPC405EP_CPU_CLK].opaque =3D env; - ppc_dcr_init(env, NULL, NULL); =20 /* CPU control */ - ppc405ep_cpc_init(env, clk_setup, s->sysclk); + object_property_set_link(OBJECT(&s->cpc), "cpu", OBJECT(&s->cpu), + &error_abort); + if (!qdev_realize(DEVICE(&s->cpc), NULL, errp)) { + return; + } =20 /* PLB arbitrer */ ppc4xx_plb_init(env); @@ -1566,7 +1547,6 @@ static void ppc405_soc_realize(DeviceState *dev, Erro= r **errp) static Property ppc405_soc_properties[] =3D { DEFINE_PROP_LINK("dram", Ppc405SoCState, dram_mr, TYPE_MEMORY_REGION, MemoryRegion *), - DEFINE_PROP_UINT32("sys-clk", Ppc405SoCState, sysclk, 0), DEFINE_PROP_BOOL("dram-init", Ppc405SoCState, do_dram_init, 0), DEFINE_PROP_UINT64("ram-size", Ppc405SoCState, ram_size, 0), DEFINE_PROP_END_OF_LIST(), @@ -1583,6 +1563,11 @@ static void ppc405_soc_class_init(ObjectClass *oc, v= oid *data) =20 static const TypeInfo ppc405_types[] =3D { { + .name =3D TYPE_PPC405_CPC, + .parent =3D TYPE_DEVICE, + .instance_size =3D sizeof(Ppc405CpcState), + .class_init =3D ppc405_cpc_class_init, + }, { .name =3D TYPE_PPC405_SOC, .parent =3D TYPE_DEVICE, .instance_size =3D sizeof(Ppc405SoCState), --=20 2.37.1