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Tue, 30 Jul 2024 17:24:16 +0000 (GMT) Received: from smtpav02.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1692A20040; Tue, 30 Jul 2024 17:24:15 +0000 (GMT) Received: from gfwr527.rchland.ibm.com (unknown [9.10.239.127]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 30 Jul 2024 17:24:14 +0000 (GMT) From: Chalapathi V To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, fbarrat@linux.ibm.com, npiggin@gmail.com, clg@kaod.org, calebs@linux.ibm.com, chalapathi.v@ibm.com, chalapathi.v@linux.ibm.com, saif.abrar@linux.ibm.com, dantan@us.ibm.com, milesg@linux.ibm.com Subject: [PATCH v6 5/6] hw/ppc: SPI controller wiring to P10 chip Date: Tue, 30 Jul 2024 12:23:42 -0500 Message-Id: <20240730172343.5818-6-chalapathi.v@linux.ibm.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240730172343.5818-1-chalapathi.v@linux.ibm.com> References: <20240730172343.5818-1-chalapathi.v@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: iZi4J1peuWh2wLEptDYV8fkoUzjURfur X-Proofpoint-ORIG-GUID: TH1kCDvapyBv4p5XU-SGU84FQ0Wi6xav X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-30_13,2024-07-30_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 priorityscore=1501 impostorscore=0 clxscore=1015 suspectscore=0 spamscore=0 mlxlogscore=777 lowpriorityscore=0 malwarescore=0 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2407110000 definitions=main-2407300119 Received-SPF: pass client-ip=148.163.158.5; envelope-from=chalapathi.v@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org In this commit, create SPI controller on p10 chip and connect cs irq. The QOM tree of pnv-spi and seeprom are. /machine (powernv10-machine) /chip[0] (power10_v2.0-pnv-chip) /pib_spic[2] (pnv-spi) /pnv-spi-bus.2 (SSI) /xscom-spi[0] (memory-region) /machine (powernv10-machine) /peripheral-anon (container) /device[0] (25csm04) /WP#[0] (irq) /ssi-gpio-cs[0] (irq) (qemu) qom-get /machine/peripheral-anon /device[76] "parent_bus" "/machine/chip[0]/pib_spic[2]/pnv-spi-bus.2" Signed-off-by: Chalapathi V Reviewed-by: Glenn Miles Reviewed-by: Cédric Le Goater --- include/hw/ppc/pnv_chip.h | 3 +++ hw/ppc/pnv.c | 21 ++++++++++++++++++++- hw/ssi/pnv_spi.c | 8 ++++++++ 3 files changed, 31 insertions(+), 1 deletion(-) diff --git a/include/hw/ppc/pnv_chip.h b/include/hw/ppc/pnv_chip.h index 8589f3291e..a3376fa844 100644 --- a/include/hw/ppc/pnv_chip.h +++ b/include/hw/ppc/pnv_chip.h @@ -6,6 +6,7 @@ #include "hw/ppc/pnv_core.h" #include "hw/ppc/pnv_homer.h" #include "hw/ppc/pnv_n1_chiplet.h" +#include "hw/ssi/pnv_spi.h" #include "hw/ppc/pnv_lpc.h" #include "hw/ppc/pnv_occ.h" #include "hw/ppc/pnv_psi.h" @@ -118,6 +119,8 @@ struct Pnv10Chip { PnvSBE sbe; PnvHomer homer; PnvN1Chiplet n1_chiplet; +#define PNV10_CHIP_MAX_PIB_SPIC 6 + PnvSpi pib_spic[PNV10_CHIP_MAX_PIB_SPIC]; uint32_t nr_quads; PnvQuad *quads; diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 6e3a5ccdec..2ada4394e2 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -1829,6 +1829,11 @@ static void pnv_chip_power10_instance_init(Object *obj) for (i = 0; i < pcc->i2c_num_engines; i++) { object_initialize_child(obj, "i2c[*]", &chip10->i2c[i], TYPE_PNV_I2C); } + + for (i = 0; i < PNV10_CHIP_MAX_PIB_SPIC; i++) { + object_initialize_child(obj, "pib_spic[*]", &chip10->pib_spic[i], + TYPE_PNV_SPI); + } } static void pnv_chip_power10_quad_realize(Pnv10Chip *chip10, Error **errp) @@ -2043,7 +2048,21 @@ static void pnv_chip_power10_realize(DeviceState *dev, Error **errp) qdev_get_gpio_in(DEVICE(&chip10->psi), PSIHB9_IRQ_SBE_I2C)); } - + /* PIB SPI Controller */ + for (i = 0; i < PNV10_CHIP_MAX_PIB_SPIC; i++) { + object_property_set_int(OBJECT(&chip10->pib_spic[i]), "spic_num", + i, &error_fatal); + /* pib_spic[2] connected to 25csm04 which implements 1 byte transfer */ + object_property_set_int(OBJECT(&chip10->pib_spic[i]), "transfer_len", + (i == 2) ? 1 : 4, &error_fatal); + if (!sysbus_realize(SYS_BUS_DEVICE(OBJECT + (&chip10->pib_spic[i])), errp)) { + return; + } + pnv_xscom_add_subregion(chip, PNV10_XSCOM_PIB_SPIC_BASE + + i * PNV10_XSCOM_PIB_SPIC_SIZE, + &chip10->pib_spic[i].xscom_spic_regs); + } } static void pnv_rainier_i2c_init(PnvMachineState *pnv) diff --git a/hw/ssi/pnv_spi.c b/hw/ssi/pnv_spi.c index d02f4dca01..83b1ea40b6 100644 --- a/hw/ssi/pnv_spi.c +++ b/hw/ssi/pnv_spi.c @@ -1052,9 +1052,17 @@ static void operation_sequencer(PnvSpi *s) static void do_reset(DeviceState *dev) { PnvSpi *s = PNV_SPI(dev); + DeviceState *ssi_dev; trace_pnv_spi_reset(); + /* Connect cs irq */ + ssi_dev = ssi_get_cs(s->ssi_bus, 0); + if (ssi_dev) { + qemu_irq cs_line = qdev_get_gpio_in_named(ssi_dev, SSI_GPIO_CS, 0); + qdev_connect_gpio_out_named(DEVICE(s), "cs", 0, cs_line); + } + /* Reset all N1 and N2 counters, and other constants */ s->N2_bits = 0; s->N2_bytes = 0;