From patchwork Mon Aug 1 13:10:27 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: 12933779 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 01393C00144 for ; Mon, 1 Aug 2022 13:21:55 +0000 (UTC) Received: from localhost ([::1]:50846 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oIVMp-0002oz-02 for qemu-devel@archiver.kernel.org; Mon, 01 Aug 2022 09:21:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56358) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oIVCg-0004JW-7U; Mon, 01 Aug 2022 09:11:27 -0400 Received: from gandalf.ozlabs.org ([150.107.74.76]:37769) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oIVCd-0007Ix-Kp; Mon, 01 Aug 2022 09:11:25 -0400 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by gandalf.ozlabs.org (Postfix) with ESMTP id 4LxJRF2208z4xGD; Mon, 1 Aug 2022 23:11:21 +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 4LxJRB4J6Cz4x1L; Mon, 1 Aug 2022 23:11:18 +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 , =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PATCH 07/19] ppc/ppc405: QOM'ify CPC Date: Mon, 1 Aug 2022 15:10:27 +0200 Message-Id: <20220801131039.1693913-8-clg@kaod.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220801131039.1693913-1-clg@kaod.org> References: <20220801131039.1693913-1-clg@kaod.org> MIME-Version: 1.0 Received-SPF: pass client-ip=150.107.74.76; envelope-from=SRS0=LBbo=YF=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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Since all clock settings are now handled at the CPC level, this changes the SoC "sys-clk" property to be an alias on the same property in the CPC model. Signed-off-by: Cédric Le Goater Reviewed-by: Daniel Henrique Barboza --- 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 4e99ab48be36..d51fb5094e95 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]; }; +typedef struct Ppc405SoCState Ppc405SoCState; + +#define TYPE_PPC405_CPC "ppc405-cpc" +OBJECT_DECLARE_SIMPLE_TYPE(Ppc405CpcState, PPC405_CPC); + +enum { + PPC405EP_CPU_CLK = 0, + PPC405EP_PLB_CLK = 1, + PPC405EP_OPB_CLK = 2, + PPC405EP_EBC_CLK = 3, + PPC405EP_MAL_CLK = 4, + PPC405EP_PCI_CLK = 5, + PPC405EP_UART0_CLK = 6, + PPC405EP_UART1_CLK = 7, + PPC405EP_CLK_NB = 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); @@ -79,9 +116,9 @@ struct Ppc405SoCState { MemoryRegion *dram_mr; hwaddr ram_size; - uint32_t sysclk; PowerPCCPU cpu; DeviceState *uic; + Ppc405CpcState cpc; }; /* PowerPC 405 core */ diff --git a/hw/ppc/ppc405_uc.c b/hw/ppc/ppc405_uc.c index b84749b36114..20a3e5543423 100644 --- a/hw/ppc/ppc405_uc.c +++ b/hw/ppc/ppc405_uc.c @@ -1178,36 +1178,7 @@ enum { #endif }; -enum { - PPC405EP_CPU_CLK = 0, - PPC405EP_PLB_CLK = 1, - PPC405EP_OPB_CLK = 2, - PPC405EP_EBC_CLK = 3, - PPC405EP_MAL_CLK = 4, - PPC405EP_PCI_CLK = 5, - PPC405EP_UART0_CLK = 6, - PPC405EP_UART1_CLK = 7, - PPC405EP_CLK_NB = 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) static uint32_t dcr_read_epcpc (void *opaque, int dcrn) { - ppc405ep_cpc_t *cpc; + Ppc405CpcState *cpc = PPC405_CPC(opaque); uint32_t ret; - cpc = opaque; switch (dcrn) { case PPC405EP_CPC0_BOOT: ret = cpc->boot; @@ -1342,9 +1312,8 @@ static uint32_t dcr_read_epcpc (void *opaque, int dcrn) static void dcr_write_epcpc (void *opaque, int dcrn, uint32_t val) { - ppc405ep_cpc_t *cpc; + Ppc405CpcState *cpc = PPC405_CPC(opaque); - cpc = 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) } } -static void ppc405ep_cpc_reset (void *opaque) +static void ppc405_cpc_reset(DeviceState *dev) { - ppc405ep_cpc_t *cpc = opaque; + Ppc405CpcState *cpc = PPC405_CPC(dev); cpc->boot = 0x00000010; /* Boot from PCI - IIC EEPROM disabled */ cpc->epctl = 0x00000000; @@ -1391,21 +1360,24 @@ static void ppc405ep_cpc_reset (void *opaque) cpc->er = 0x00000000; cpc->fr = 0x00000000; cpc->sr = 0x00000000; + cpc->jtagid = 0x20267049; ppc405ep_compute_clocks(cpc); } /* 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 = PPC405_CPC(dev); + CPUPPCState *env; + + assert(cpc->cpu); + + env = &cpc->cpu->env; + + cpc->clk_setup[PPC405EP_CPU_CLK].cb = + ppc_40x_timers_init(env, cpc->sysclk, PPC_INTERRUPT_PIT); + cpc->clk_setup[PPC405EP_CPU_CLK].opaque = env; - cpc = g_new0(ppc405ep_cpc_t, 1); - memcpy(cpc->clk_setup, clk_setup, - PPC405EP_CLK_NB * sizeof(clk_setup_t)); - cpc->jtagid = 0x20267049; - cpc->sysclk = 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, clk_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[] = { + 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 = DEVICE_CLASS(oc); + + dc->realize = ppc405_cpc_realize; + dc->user_creatable = false; + dc->reset = ppc405_cpc_reset; + device_class_set_props(dc, ppc405_cpc_properties); } static void ppc405_soc_instance_init(Object *obj) @@ -1438,12 +1419,14 @@ static void ppc405_soc_instance_init(Object *obj) 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"); } static void ppc405_soc_realize(DeviceState *dev, Error **errp) { Ppc405SoCState *s = 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 = NULL; @@ -1467,8 +1450,6 @@ static void ppc405_soc_realize(DeviceState *dev, Error **errp) memory_region_add_subregion(get_system_memory(), PPC405EP_SRAM_BASE, &s->sram); - memset(clk_setup, 0, sizeof(clk_setup)); - /* init CPUs */ if (!qdev_realize(DEVICE(&s->cpu), NULL, errp)) { return; @@ -1476,14 +1457,14 @@ static void ppc405_soc_realize(DeviceState *dev, Error **errp) env = &s->cpu.env; - clk_setup[PPC405EP_CPU_CLK].cb = - ppc_40x_timers_init(env, s->sysclk, PPC_INTERRUPT_PIT); - clk_setup[PPC405EP_CPU_CLK].opaque = env; - ppc_dcr_init(env, NULL, NULL); /* 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; + } /* PLB arbitrer */ ppc4xx_plb_init(env); @@ -1568,7 +1549,6 @@ static void ppc405_soc_realize(DeviceState *dev, Error **errp) static Property ppc405_soc_properties[] = { 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(), @@ -1585,6 +1565,11 @@ static void ppc405_soc_class_init(ObjectClass *oc, void *data) static const TypeInfo ppc405_types[] = { { + .name = TYPE_PPC405_CPC, + .parent = TYPE_DEVICE, + .instance_size = sizeof(Ppc405CpcState), + .class_init = ppc405_cpc_class_init, + }, { .name = TYPE_PPC405_SOC, .parent = TYPE_DEVICE, .instance_size = sizeof(Ppc405SoCState),