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b=JJcqyaGwNYexMAm9 75Y5f5oRh0+6XSK9SXJ8vEO/F9cjCCk3hek63WtFQzWMd0gdp5ORVdVqyPj8ZD55 q1V9R1/rk5Os+L9MxW2MNL6IBcXRCJcueZS4N80PQAY8Kbzer/Wp/9qjj28uQys0 djLulkcwLKKUXwgu1+Y5cURtWdhVfTKz+CxybHHZfGxDR/C/YnZxRM7QZKINGtC+ Cuxu9+vAnUN0Mo3qkmSQltM+MBhQ2wUD0lqx696Dg85IY/2trSnuBnhKnZdzxD1o zINZYTNmJIzrSxO1gDq5+bdNlBBNjSX7+IYlqVAzhrozdUDdLO1i6qES1SSLRJW9 CxrOJw== From: Chalapathi V To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, fbarrat@linux.ibm.com, npiggin@gmail.com, clg@kaod.org, calebs@us.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 v5 6/6] tests/qtest: Add pnv-spi-seeprom qtest Date: Wed, 26 Jun 2024 04:05:28 -0500 Message-Id: <20240626090528.812-7-chalapathi.v@linux.ibm.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240626090528.812-1-chalapathi.v@linux.ibm.com> References: <20240626090528.812-1-chalapathi.v@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: KKui9KH5cxm8m-9Qg7f9PzZv-S03P2GW X-Proofpoint-ORIG-GUID: W9T_8480Sw61prWTq7pauzvLZ7hO6EII 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=2024-06-26_03,2024-06-25_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=531 spamscore=0 suspectscore=0 lowpriorityscore=0 phishscore=0 impostorscore=0 malwarescore=0 priorityscore=1501 mlxscore=0 bulkscore=0 clxscore=1015 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2406260062 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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.156.1; envelope-from=chalapathi.v@linux.ibm.com; helo=mx0a-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=0.001, RCVD_IN_MSPIKE_WL=0.001, 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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1719392862026100003 In this commit Write a qtest pnv-spi-seeprom-test to check the SPI transactions between spi controller and seeprom device. Signed-off-by: Chalapathi V Acked-by: C=C3=A9dric Le Goater Reviewed-by: Caleb Schlossin --- tests/qtest/pnv-spi-seeprom-test.c | 110 +++++++++++++++++++++++++++++ tests/qtest/meson.build | 1 + 2 files changed, 111 insertions(+) create mode 100644 tests/qtest/pnv-spi-seeprom-test.c diff --git a/tests/qtest/pnv-spi-seeprom-test.c b/tests/qtest/pnv-spi-seepr= om-test.c new file mode 100644 index 0000000000..92bc8a11ae --- /dev/null +++ b/tests/qtest/pnv-spi-seeprom-test.c @@ -0,0 +1,110 @@ +/* + * QTest testcase for PowerNV 10 Seeprom Communications + * + * Copyright (c) 2024, IBM Corporation. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include "qemu/osdep.h" +#include "libqtest.h" +#include "qemu/bswap.h" +#include "hw/ssi/pnv_spi_regs.h" +#include "pnv-xscom.h" + +#define FLASH_SIZE (512 * 1024) +#define SPIC2_XSCOM_BASE 0xc0040 + +/* To transmit READ opcode and address */ +#define READ_OP_TDR_DATA 0x0300010000000000 +/* + * N1 shift - tx 4 bytes (transmit opcode and address) + * N2 shift - tx and rx 8 bytes. + */ +#define READ_OP_COUNTER_CONFIG 0x2040000000002b00 +/* SEQ_OP_SELECT_RESPONDER - N1 Shift - N2 Shift * 5 - SEQ_OP_STOP */ +#define READ_OP_SEQUENCER 0x1130404040404010 + +/* To transmit WREN(Set Write Enable Latch in status0 register) opcode */ +#define WRITE_OP_WREN 0x0600000000000000 +/* To transmit WRITE opcode, address and data */ +#define WRITE_OP_TDR_DATA 0x0300010012345678 +/* N1 shift - tx 8 bytes (transmit opcode, address and data) */ +#define WRITE_OP_COUNTER_CONFIG 0x4000000000002000 +/* SEQ_OP_SELECT_RESPONDER - N1 Shift - SEQ_OP_STOP */ +#define WRITE_OP_SEQUENCER 0x1130100000000000 + +static void pnv_spi_xscom_write(QTestState *qts, const PnvChip *chip, + uint32_t reg, uint64_t val) +{ + uint32_t pcba =3D SPIC2_XSCOM_BASE + reg; + qtest_writeq(qts, pnv_xscom_addr(chip, pcba), val); +} + +static uint64_t pnv_spi_xscom_read(QTestState *qts, const PnvChip *chip, + uint32_t reg) +{ + uint32_t pcba =3D SPIC2_XSCOM_BASE + reg; + return qtest_readq(qts, pnv_xscom_addr(chip, pcba)); +} + +static void spi_seeprom_transaction(QTestState *qts, const PnvChip *chip) +{ + /* SPI transactions to SEEPROM to read from SEEPROM image */ + pnv_spi_xscom_write(qts, chip, SPI_CTR_CFG_REG, READ_OP_COUNTER_CONFIG= ); + pnv_spi_xscom_write(qts, chip, SPI_SEQ_OP_REG, READ_OP_SEQUENCER); + pnv_spi_xscom_write(qts, chip, SPI_XMIT_DATA_REG, READ_OP_TDR_DATA); + pnv_spi_xscom_write(qts, chip, SPI_XMIT_DATA_REG, 0); + /* Read 5*8 bytes from SEEPROM at 0x100 */ + uint64_t rdr_val =3D pnv_spi_xscom_read(qts, chip, SPI_RCV_DATA_REG); + g_test_message("RDR READ =3D 0x%lx", rdr_val); + rdr_val =3D pnv_spi_xscom_read(qts, chip, SPI_RCV_DATA_REG); + rdr_val =3D pnv_spi_xscom_read(qts, chip, SPI_RCV_DATA_REG); + rdr_val =3D pnv_spi_xscom_read(qts, chip, SPI_RCV_DATA_REG); + rdr_val =3D pnv_spi_xscom_read(qts, chip, SPI_RCV_DATA_REG); + g_test_message("RDR READ =3D 0x%lx", rdr_val); + + /* SPI transactions to SEEPROM to write to SEEPROM image */ + pnv_spi_xscom_write(qts, chip, SPI_CTR_CFG_REG, WRITE_OP_COUNTER_CONFI= G); + /* Set Write Enable Latch bit of status0 register */ + pnv_spi_xscom_write(qts, chip, SPI_SEQ_OP_REG, WRITE_OP_SEQUENCER); + pnv_spi_xscom_write(qts, chip, SPI_XMIT_DATA_REG, WRITE_OP_WREN); + /* write 8 bytes to SEEPROM at 0x100 */ + pnv_spi_xscom_write(qts, chip, SPI_SEQ_OP_REG, WRITE_OP_SEQUENCER); + pnv_spi_xscom_write(qts, chip, SPI_XMIT_DATA_REG, WRITE_OP_TDR_DATA); +} + +static void test_spi_seeprom(const void *data) +{ + const PnvChip *chip =3D data; + QTestState *qts =3D NULL; + g_autofree char *tmp_path =3D NULL; + int ret; + int fd; + + /* Create a temporary raw image */ + fd =3D g_file_open_tmp("qtest-seeprom-XXXXXX", &tmp_path, NULL); + g_assert(fd >=3D 0); + ret =3D ftruncate(fd, FLASH_SIZE); + g_assert(ret =3D=3D 0); + close(fd); + + qts =3D qtest_initf("-m 2G -machine powernv10 -smp 2,cores=3D2," + "threads=3D1 -accel tcg,thread=3Dsingle -nographic " + "-blockdev node-name=3Dpib_spic2,driver=3Dfile," + "filename=3D%s -device 25csm04,bus=3Dpnv-spi-bus.2,c= s=3D0," + "drive=3Dpib_spic2", tmp_path); + spi_seeprom_transaction(qts, chip); + qtest_quit(qts); + unlink(tmp_path); +} + +int main(int argc, char **argv) +{ + g_test_init(&argc, &argv, NULL); + char *tname =3D g_strdup_printf("pnv-xscom/spi-seeprom/%s", + pnv_chips[3].cpu_model); + qtest_add_data_func(tname, &pnv_chips[3], test_spi_seeprom); + g_free(tname); + return g_test_run(); +} diff --git a/tests/qtest/meson.build b/tests/qtest/meson.build index 86293051dc..2fa98b2430 100644 --- a/tests/qtest/meson.build +++ b/tests/qtest/meson.build @@ -171,6 +171,7 @@ qtests_ppc64 =3D \ qtests_ppc + \ (config_all_devices.has_key('CONFIG_PSERIES') ? ['device-plug-test'] : [= ]) + \ (config_all_devices.has_key('CONFIG_POWERNV') ? ['pnv-xscom-test'] : [])= + \ + (config_all_devices.has_key('CONFIG_POWERNV') ? ['pnv-spi-seeprom-test']= : []) + \ (config_all_devices.has_key('CONFIG_POWERNV') ? ['pnv-host-i2c-test'] : = []) + \ (config_all_devices.has_key('CONFIG_PSERIES') ? ['rtas-test'] : []) + = \ (slirp.found() ? ['pxe-test'] : []) + \ --=20 2.39.3