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[209.51.188.17]) by mx.google.com with ESMTPS id p16-20020a05622a00d000b002f94475d2d4si13200978qtw.199.2022.06.08.20.16.21 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 08 Jun 2022 20:16:22 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@fb.com header.s=facebook header.b=WGssUZxo; spf=pass (google.com: domain of qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=fb.com Received: from localhost ([::1]:36304 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nz8ej-0004pQ-Jn for alex.bennee@linaro.org; Wed, 08 Jun 2022 23:16:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46072) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nz8cN-0002mB-AW; Wed, 08 Jun 2022 23:13:55 -0400 Received: from mx0a-00082601.pphosted.com ([67.231.145.42]:30560) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nz8cJ-0004Ny-N3; Wed, 08 Jun 2022 23:13:54 -0400 Received: from pps.filterd (m0148461.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 258NnfJl011299; Wed, 8 Jun 2022 20:13:32 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=facebook; bh=A1/8YLGWKTY92wfJMtFQwPs1QyEdcR4DSPnCSXRpWLo=; b=WGssUZxoqOWPWNNbB8GRYWjBhnU1V2tCLTGR25tE8FA34r96WPN/Ey5ifB6ZUUwiOqHf b+3iMB5Z52173vwCE4k5lvaKQh2ai4LMX20lMcgx/y017irDZeJ7XBHHF1+ECMUKtDZ2 ylgqBccL8koLVqHk0PNBy6xYSX47xAjJMuI= Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3gjhy6yj2j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Wed, 08 Jun 2022 20:13:32 -0700 Received: from localhost (2620:10d:c0a8:1b::d) by mail.thefacebook.com (2620:10d:c0a8:83::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Wed, 8 Jun 2022 20:13:31 -0700 From: Iris Chen To: CC: , , , , , , , , , , , , , , Subject: [PATCH v2 2/2] hw: m25p80: add tests for write protect Date: Wed, 8 Jun 2022 20:13:20 -0700 Message-ID: <20220609031320.2212468-2-irischenlj@fb.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220609031320.2212468-1-irischenlj@fb.com> References: <20220609031320.2212468-1-irischenlj@fb.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [2620:10d:c0a8:1b::d] X-Proofpoint-GUID: 8sgLw3Q10o3BcDNQuED_n4-OXixaJ9vv X-Proofpoint-ORIG-GUID: 8sgLw3Q10o3BcDNQuED_n4-OXixaJ9vv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.874,Hydra:6.0.517,FMLib:17.11.64.514 definitions=2022-06-08_05,2022-06-07_02,2022-02-23_01 Received-SPF: pass client-ip=67.231.145.42; envelope-from=prvs=71593e3617=irischenlj@fb.com; helo=mx0a-00082601.pphosted.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=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+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-devel" X-TUID: e8wcoXCBTYXL Signed-off-by: Iris Chen --- Include the tests in a separate patch. Using qtest_set_irq_in() as per review. tests/qtest/aspeed_smc-test.c | 60 +++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/tests/qtest/aspeed_smc-test.c b/tests/qtest/aspeed_smc-test.c index c5d97d4410..7786addfb8 100644 --- a/tests/qtest/aspeed_smc-test.c +++ b/tests/qtest/aspeed_smc-test.c @@ -392,6 +392,64 @@ static void test_read_status_reg(void) flash_reset(); } +static void test_status_reg_write_protection(void) +{ + uint8_t r; + + spi_conf(CONF_ENABLE_W0); + + /* default case: WP# is high and SRWD is low -> status register writable */ + spi_ctrl_start_user(); + writeb(ASPEED_FLASH_BASE, WREN); + /* test ability to write SRWD */ + writeb(ASPEED_FLASH_BASE, WRSR); + writeb(ASPEED_FLASH_BASE, SRWD); + writeb(ASPEED_FLASH_BASE, RDSR); + r = readb(ASPEED_FLASH_BASE); + spi_ctrl_stop_user(); + g_assert_cmphex(r & SRWD, ==, SRWD); + + /* WP# high and SRWD high -> status register writable */ + spi_ctrl_start_user(); + writeb(ASPEED_FLASH_BASE, WREN); + /* test ability to write SRWD */ + writeb(ASPEED_FLASH_BASE, WRSR); + writeb(ASPEED_FLASH_BASE, 0); + writeb(ASPEED_FLASH_BASE, RDSR); + r = readb(ASPEED_FLASH_BASE); + spi_ctrl_stop_user(); + g_assert_cmphex(r & SRWD, ==, 0); + + /* WP# low and SRWD low -> status register writable */ + qtest_set_irq_in(global_qtest, + "/machine/soc/fmc/ssi.0/child[0]", "WP#", 0, 0); + spi_ctrl_start_user(); + writeb(ASPEED_FLASH_BASE, WREN); + /* test ability to write SRWD */ + writeb(ASPEED_FLASH_BASE, WRSR); + writeb(ASPEED_FLASH_BASE, SRWD); + writeb(ASPEED_FLASH_BASE, RDSR); + r = readb(ASPEED_FLASH_BASE); + spi_ctrl_stop_user(); + g_assert_cmphex(r & SRWD, ==, SRWD); + + /* WP# low and SRWD high -> status register NOT writable */ + spi_ctrl_start_user(); + writeb(ASPEED_FLASH_BASE, WREN); + /* test ability to write SRWD */ + writeb(ASPEED_FLASH_BASE, WRSR); + writeb(ASPEED_FLASH_BASE, 0); + writeb(ASPEED_FLASH_BASE, RDSR); + r = readb(ASPEED_FLASH_BASE); + spi_ctrl_stop_user(); + /* write is not successful */ + g_assert_cmphex(r & SRWD, ==, SRWD); + + qtest_set_irq_in(global_qtest, + "/machine/soc/fmc/ssi.0/child[0]", "WP#", 0, 1); + flash_reset(); +} + static char tmp_path[] = "/tmp/qtest.m25p80.XXXXXX"; int main(int argc, char **argv) @@ -418,6 +476,8 @@ int main(int argc, char **argv) qtest_add_func("/ast2400/smc/read_page_mem", test_read_page_mem); qtest_add_func("/ast2400/smc/write_page_mem", test_write_page_mem); qtest_add_func("/ast2400/smc/read_status_reg", test_read_status_reg); + qtest_add_func("/ast2400/smc/status_reg_write_protection", + test_status_reg_write_protection); ret = g_test_run(); -- 2.30.2