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Thu, 31 Aug 2023 11:29:26 -0500 From: Francisco Iglesias To: CC: , , , , , , , Subject: [PATCH v4 6/8] hw/misc: Introduce a model of Xilinx Versal's CFRAME_BCAST_REG Date: Thu, 31 Aug 2023 18:29:17 +0200 Message-ID: <20230831162919.30472-2-francisco.iglesias@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230831162919.30472-1-francisco.iglesias@amd.com> References: <20230831162919.30472-1-francisco.iglesias@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MWH0EPF000971E5:EE_|DM4PR12MB5200:EE_ X-MS-Office365-Filtering-Correlation-Id: 722f6818-bf2f-426c-c3ee-08dbaa3f73a1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; 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envelope-from=francisco.iglesias@amd.com; helo=NAM04-BN8-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 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-bounces+incoming=patchwork.ozlabs.org@nongnu.org Introduce a model of Xilinx Versal's Configuration Frame broadcast controller (CFRAME_BCAST_REG). Signed-off-by: Francisco Iglesias Reviewed-by: Peter Maydell --- hw/misc/xlnx-versal-cframe-reg.c | 161 +++++++++++++++++++++++ include/hw/misc/xlnx-versal-cframe-reg.h | 17 +++ 2 files changed, 178 insertions(+) diff --git a/hw/misc/xlnx-versal-cframe-reg.c b/hw/misc/xlnx-versal-cframe-reg.c index 78db68f10c..8e8ec0715a 100644 --- a/hw/misc/xlnx-versal-cframe-reg.c +++ b/hw/misc/xlnx-versal-cframe-reg.c @@ -569,6 +569,83 @@ static const MemoryRegionOps cframe_reg_fdri_ops = { }, }; +static uint64_t cframes_bcast_reg_read(void *opaque, hwaddr addr, unsigned size) +{ + qemu_log_mask(LOG_GUEST_ERROR, "%s: Unsupported read from addr=%" + HWADDR_PRIx "\n", __func__, addr); + return 0; +} + +static void cframes_bcast_write(XlnxVersalCFrameBcastReg *s, uint8_t reg_addr, + uint32_t *wfifo) +{ + XlnxCfiPacket pkt = { + .reg_addr = reg_addr, + .data[0] = wfifo[0], + .data[1] = wfifo[1], + .data[2] = wfifo[2], + .data[3] = wfifo[3] + }; + + for (int i = 0; i < ARRAY_SIZE(s->cfg.cframe); i++) { + if (s->cfg.cframe[i]) { + xlnx_cfi_transfer_packet(s->cfg.cframe[i], &pkt); + } + } +} + +static void cframes_bcast_reg_write(void *opaque, hwaddr addr, uint64_t value, + unsigned size) +{ + XlnxVersalCFrameBcastReg *s = XLNX_VERSAL_CFRAME_BCAST_REG(opaque); + uint32_t wfifo[WFIFO_SZ]; + + if (update_wfifo(addr, value, s->wfifo, wfifo)) { + uint8_t reg_addr = extract32(addr, 4, 6); + + cframes_bcast_write(s, reg_addr, wfifo); + } +} + +static uint64_t cframes_bcast_fdri_read(void *opaque, hwaddr addr, + unsigned size) +{ + qemu_log_mask(LOG_GUEST_ERROR, "%s: Unsupported read from addr=%" + HWADDR_PRIx "\n", __func__, addr); + return 0; +} + +static void cframes_bcast_fdri_write(void *opaque, hwaddr addr, uint64_t value, + unsigned size) +{ + XlnxVersalCFrameBcastReg *s = XLNX_VERSAL_CFRAME_BCAST_REG(opaque); + uint32_t wfifo[WFIFO_SZ]; + + if (update_wfifo(addr, value, s->wfifo, wfifo)) { + cframes_bcast_write(s, CFRAME_FDRI, wfifo); + } +} + +static const MemoryRegionOps cframes_bcast_reg_reg_ops = { + .read = cframes_bcast_reg_read, + .write = cframes_bcast_reg_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + }, +}; + +static const MemoryRegionOps cframes_bcast_reg_fdri_ops = { + .read = cframes_bcast_fdri_read, + .write = cframes_bcast_fdri_write, + .endianness = DEVICE_LITTLE_ENDIAN, + .valid = { + .min_access_size = 4, + .max_access_size = 4, + }, +}; + static void cframe_reg_realize(DeviceState *dev, Error **errp) { XlnxVersalCFrameReg *s = XLNX_VERSAL_CFRAME_REG(dev); @@ -663,6 +740,71 @@ static Property cframe_regs_props[] = { DEFINE_PROP_END_OF_LIST(), }; +static void cframe_bcast_reg_init(Object *obj) +{ + XlnxVersalCFrameBcastReg *s = XLNX_VERSAL_CFRAME_BCAST_REG(obj); + SysBusDevice *sbd = SYS_BUS_DEVICE(obj); + + memory_region_init_io(&s->iomem_reg, obj, &cframes_bcast_reg_reg_ops, s, + TYPE_XLNX_VERSAL_CFRAME_BCAST_REG, KEYHOLE_STREAM_4K); + memory_region_init_io(&s->iomem_fdri, obj, &cframes_bcast_reg_fdri_ops, s, + TYPE_XLNX_VERSAL_CFRAME_BCAST_REG "-fdri", + KEYHOLE_STREAM_4K); + sysbus_init_mmio(sbd, &s->iomem_reg); + sysbus_init_mmio(sbd, &s->iomem_fdri); +} + +static void cframe_bcast_reg_reset_enter(Object *obj, ResetType type) +{ + XlnxVersalCFrameBcastReg *s = XLNX_VERSAL_CFRAME_BCAST_REG(obj); + + memset(s->wfifo, 0, WFIFO_SZ * sizeof(uint32_t)); +} + +static const VMStateDescription vmstate_cframe_bcast_reg = { + .name = TYPE_XLNX_VERSAL_CFRAME_BCAST_REG, + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT32_ARRAY(wfifo, XlnxVersalCFrameBcastReg, 4), + VMSTATE_END_OF_LIST(), + } +}; + +static Property cframe_bcast_regs_props[] = { + DEFINE_PROP_LINK("cframe0", XlnxVersalCFrameBcastReg, cfg.cframe[0], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe1", XlnxVersalCFrameBcastReg, cfg.cframe[1], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe2", XlnxVersalCFrameBcastReg, cfg.cframe[2], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe3", XlnxVersalCFrameBcastReg, cfg.cframe[3], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe4", XlnxVersalCFrameBcastReg, cfg.cframe[4], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe5", XlnxVersalCFrameBcastReg, cfg.cframe[5], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe6", XlnxVersalCFrameBcastReg, cfg.cframe[6], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe7", XlnxVersalCFrameBcastReg, cfg.cframe[7], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe8", XlnxVersalCFrameBcastReg, cfg.cframe[8], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe9", XlnxVersalCFrameBcastReg, cfg.cframe[9], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe10", XlnxVersalCFrameBcastReg, cfg.cframe[10], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe11", XlnxVersalCFrameBcastReg, cfg.cframe[11], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe12", XlnxVersalCFrameBcastReg, cfg.cframe[12], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe13", XlnxVersalCFrameBcastReg, cfg.cframe[13], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_LINK("cframe14", XlnxVersalCFrameBcastReg, cfg.cframe[14], + TYPE_XLNX_CFI_IF, XlnxCfiIf *), + DEFINE_PROP_END_OF_LIST(), +}; + static void cframe_reg_class_init(ObjectClass *klass, void *data) { ResettableClass *rc = RESETTABLE_CLASS(klass); @@ -677,6 +819,16 @@ static void cframe_reg_class_init(ObjectClass *klass, void *data) xcic->cfi_transfer_packet = cframe_reg_cfi_transfer_packet; } +static void cframe_bcast_reg_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + ResettableClass *rc = RESETTABLE_CLASS(klass); + + dc->vmsd = &vmstate_cframe_bcast_reg; + device_class_set_props(dc, cframe_bcast_regs_props); + rc->phases.enter = cframe_bcast_reg_reset_enter; +} + static const TypeInfo cframe_reg_info = { .name = TYPE_XLNX_VERSAL_CFRAME_REG, .parent = TYPE_SYS_BUS_DEVICE, @@ -689,9 +841,18 @@ static const TypeInfo cframe_reg_info = { } }; +static const TypeInfo cframe_bcast_reg_info = { + .name = TYPE_XLNX_VERSAL_CFRAME_BCAST_REG, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(XlnxVersalCFrameBcastReg), + .class_init = cframe_bcast_reg_class_init, + .instance_init = cframe_bcast_reg_init, +}; + static void cframe_reg_register_types(void) { type_register_static(&cframe_reg_info); + type_register_static(&cframe_bcast_reg_info); } type_init(cframe_reg_register_types) diff --git a/include/hw/misc/xlnx-versal-cframe-reg.h b/include/hw/misc/xlnx-versal-cframe-reg.h index f286d973bf..a14fbd7fe4 100644 --- a/include/hw/misc/xlnx-versal-cframe-reg.h +++ b/include/hw/misc/xlnx-versal-cframe-reg.h @@ -26,6 +26,10 @@ #define TYPE_XLNX_VERSAL_CFRAME_REG "xlnx,cframe-reg" OBJECT_DECLARE_SIMPLE_TYPE(XlnxVersalCFrameReg, XLNX_VERSAL_CFRAME_REG) +#define TYPE_XLNX_VERSAL_CFRAME_BCAST_REG "xlnx.cframe-bcast-reg" +OBJECT_DECLARE_SIMPLE_TYPE(XlnxVersalCFrameBcastReg, + XLNX_VERSAL_CFRAME_BCAST_REG) + /* * The registers in this module are 128 bits wide but it is ok to write * and read them through 4 sequential 32 bit accesses (address[3:2] = 0, @@ -283,4 +287,17 @@ struct XlnxVersalCFrameReg { bool row_configured; }; +struct XlnxVersalCFrameBcastReg { + SysBusDevice parent_obj; + MemoryRegion iomem_reg; + MemoryRegion iomem_fdri; + + /* 128-bit wfifo. */ + uint32_t wfifo[WFIFO_SZ]; + + struct { + XlnxCfiIf *cframe[15]; + } cfg; +}; + #endif