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GET /api/patches/806456/?format=api
{ "id": 806456, "url": "http://patchwork.ozlabs.org/api/patches/806456/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20170828091533.15133-1-ran.wang_1@nxp.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170828091533.15133-1-ran.wang_1@nxp.com>", "list_archive_url": null, "date": "2017-08-28T09:15:26", "name": "[U-Boot,v4,1/8] armv8: Add workaround for USB erratum A-009008", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "24b9bdf4b86b2bc1e8501186e6dec5bf06774cc9", "submitter": { "id": 71939, "url": "http://patchwork.ozlabs.org/api/people/71939/?format=api", "name": "Ran Wang", "email": "ran.wang_1@nxp.com" }, "delegate": { "id": 2666, "url": "http://patchwork.ozlabs.org/api/users/2666/?format=api", "username": "yorksun", "first_name": "York", "last_name": "Sun", "email": "yorksun@freescale.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20170828091533.15133-1-ran.wang_1@nxp.com/mbox/", "series": [ { "id": 118, "url": "http://patchwork.ozlabs.org/api/series/118/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=118", "date": "2017-08-28T09:15:26", "name": "[U-Boot,v4,1/8] armv8: Add workaround for USB erratum A-009008", "version": 4, "mbox": "http://patchwork.ozlabs.org/series/118/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/806456/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/806456/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", 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(version=TLS1_0,\n\tcipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1341.15\n\tvia Frontend Transport; Mon, 28 Aug 2017 09:32:38 +0000", "from titan.ap.freescale.net ([10.192.208.233])\n\tby tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id\n\tv7S9WYoj028765; Mon, 28 Aug 2017 02:32:35 -0700" ], "X-Spam-Checker-Version": "SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de", "X-Spam-Level": "", "X-Spam-Status": "No, score=-0.0 required=5.0 tests=BAD_ENC_HEADER,\n\tRCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,\n\tSPF_HELO_PASS autolearn=unavailable\n\tautolearn_force=no version=3.4.0", "Received-SPF": "Fail (protection.outlook.com: domain of nxp.com does not\n\tdesignate 192.88.168.50 as permitted sender)\n\treceiver=protection.outlook.com; \n\tclient-ip=192.88.168.50; helo=tx30smr01.am.freescale.net;", "From": "Ran Wang <ran.wang_1@nxp.com>", "To": "open list <u-boot@lists.denx.de>, York Sun <york.sun@nxp.com>", "Date": "Mon, 28 Aug 2017 17:15:26 +0800", "Message-ID": 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PCL:0;\n\tRULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(6095135)(601004)(2401047)(13018025)(8121501046)(13016025)(5005006)(3002001)(10201501046)(93006095)(93001095)(100000703101)(100105400095)(6055026)(6096035)(20161123563025)(20161123561025)(20161123565025)(20161123556025)(20161123559100)(201703131430075)(201703131448075)(201703131433075)(201703161259150)(201703151042153)(201708071742011)(100000704101)(100105200095)(100000705101)(100105500095);\n\tSRVR:MWHPR03MB3327; BCL:0; PCL:0;\n\tRULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(400006)(100000804101)(100110200095)(100000805101)(100110500095);\n\tSRVR:MWHPR03MB3327; ", "X-Forefront-PRVS": "0413C9F1ED", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "28 Aug 2017 09:32:38.8545\n\t(UTC)", "X-MS-Exchange-CrossTenant-Id": "5afe0b00-7697-4969-b663-5eab37d5f47e", "X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp": "TenantId=5afe0b00-7697-4969-b663-5eab37d5f47e;\n\tIp=[192.88.168.50]; \n\tHelo=[tx30smr01.am.freescale.net]", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "MWHPR03MB3327", "Cc": "Priyanka Jain <priyanka.jain@nxp.com>,\n\tSuresh Gupta <suresh.bhagat@nxp.com>, ran.wang_1@nxp.com", "Subject": "[U-Boot] [PATCH v4 1/8] armv8: Add workaround for USB erratum\n\tA-009008", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.18", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<http://lists.denx.de/pipermail/u-boot/>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>" }, "content": "USB High Speed (HS) EYE Height Adjustment\nUSB HS speed eye diagram fails with the default value at\nmany corners, particularly at a high temperature\n\nOptimal eye at TXREFTUNE value to 0x9 is observed, change\nset the same value.\n\nSigned-off-by: Ran Wang <ran.wang_1@nxp.com>\n---\nChange in v4:\n\tChange 1001 to 0x9 in the commit message to match the code.\n\tClean up the math in set_usb_txvreftune().\n\tRename USB_TXVREFTUNE to SCFG_USB_TXVREFTUNE.\n\nChange in v3:\n\tUse inline function to make code cleaner.\n\nChange in v2:\n\tIn function erratum_a009008():\n\t1.Put a blank line after variable declaration.\n\t2.Move common code together.\n\n arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 7 ++++++\n arch/arm/cpu/armv8/fsl-layerscape/soc.c | 26 ++++++++++++++++++++++\n .../include/asm/arch-fsl-layerscape/immap_lsch2.h | 6 +++++\n .../include/asm/arch-fsl-layerscape/immap_lsch3.h | 1 +\n 4 files changed, 40 insertions(+)", "diff": "diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig\nindex cdeef26fe5..d8936a4334 100644\n--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig\n+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig\n@@ -22,6 +22,7 @@ config ARCH_LS1043A\n \tselect SYS_FSL_ERRATUM_A009942\n \tselect SYS_FSL_ERRATUM_A010315\n \tselect SYS_FSL_ERRATUM_A010539\n+\tselect SYS_FSL_ERRATUM_A009008\n \tselect SYS_FSL_HAS_DDR3\n \tselect SYS_FSL_HAS_DDR4\n \tselect ARCH_EARLY_INIT_R\n@@ -44,6 +45,7 @@ config ARCH_LS1046A\n \tselect SYS_FSL_ERRATUM_A009942\n \tselect SYS_FSL_ERRATUM_A010165\n \tselect SYS_FSL_ERRATUM_A010539\n+\tselect SYS_FSL_ERRATUM_A009008\n \tselect SYS_FSL_HAS_DDR4\n \tselect SYS_FSL_SRDS_2\n \tselect ARCH_EARLY_INIT_R\n@@ -80,6 +82,7 @@ config ARCH_LS2080A\n \tselect SYS_FSL_ERRATUM_A009942\n \tselect SYS_FSL_ERRATUM_A010165\n \tselect SYS_FSL_ERRATUM_A009203\n+\tselect SYS_FSL_ERRATUM_A009008\n \tselect ARCH_EARLY_INIT_R\n \tselect BOARD_EARLY_INIT_F\n \n@@ -223,6 +226,10 @@ config SYS_FSL_ERRATUM_A010315\n config SYS_FSL_ERRATUM_A010539\n \tbool \"Workaround for PIN MUX erratum A010539\"\n \n+config SYS_FSL_ERRATUM_A009008\n+\tbool \"Workaround for USB PHY erratum A009008\"\n+\n+\n config MAX_CPUS\n \tint \"Maximum number of CPUs permitted for Layerscape\"\n \tdefault 4 if ARCH_LS1043A\ndiff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c\nindex 639e9d2ddc..52a7abd13c 100644\n--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c\n+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c\n@@ -52,6 +52,30 @@ bool soc_has_aiop(void)\n \treturn false;\n }\n \n+static inline void set_usb_txvreftune(u32 __iomem *scfg, u32 offset)\n+{\n+\tu32 val;\n+\n+\tval = scfg_in32(scfg + offset / 4);\n+\tval &= ~(0xF << 6);\n+\tval |= SCFG_USB_TXVREFTUNE << 6;\n+\tscfg_out32(scfg + offset / 4, val);\n+}\n+\n+static void erratum_a009008(void)\n+{\n+#ifdef CONFIG_SYS_FSL_ERRATUM_A009008\n+\tu32 __iomem *scfg = (u32 __iomem *)SCFG_BASE;\n+#if defined(CONFIG_ARCH_LS1043A) || defined(CONFIG_ARCH_LS1046A)\n+\tset_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB1);\n+\tset_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB2);\n+\tset_usb_txvreftune(scfg, SCFG_USB3PRM1CR_USB3);\n+#elif defined(CONFIG_ARCH_LS2080A)\n+\tset_usb_txvreftune(scfg, SCFG_USB3PRM1CR);\n+#endif\n+#endif /* CONFIG_SYS_FSL_ERRATUM_A009008 */\n+}\n+\n #if defined(CONFIG_FSL_LSCH3)\n /*\n * This erratum requires setting a value to eddrtqcr1 to\n@@ -198,6 +222,7 @@ void fsl_lsch3_early_init_f(void)\n #endif\n \terratum_a008514();\n \terratum_a008336();\n+\terratum_a009008();\n #ifdef CONFIG_CHAIN_OF_TRUST\n \t/* In case of Secure Boot, the IBR configures the SMMU\n \t* to allow only Secure transactions.\n@@ -473,6 +498,7 @@ void fsl_lsch2_early_init_f(void)\n \terratum_a009929();\n \terratum_a009660();\n \terratum_a010539();\n+\terratum_a009008();\n }\n #endif\n \ndiff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h\nindex 4afc338b8e..c60d8ddfa2 100644\n--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h\n+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h\n@@ -338,6 +338,12 @@ struct ccsr_gur {\n #define SCFG_USBPWRFAULT_USB2_SHIFT\t2\n #define SCFG_USBPWRFAULT_USB1_SHIFT\t0\n \n+#define SCFG_BASE\t\t\t0x01570000\n+#define SCFG_USB3PRM1CR_USB1\t\t0x070\n+#define SCFG_USB3PRM1CR_USB2\t\t0x07C\n+#define SCFG_USB3PRM1CR_USB3\t\t0x088\n+#define SCFG_USB_TXVREFTUNE\t\t\t0x9\n+\n #define SCFG_SNPCNFGCR_SECRDSNP\t\t0x80000000\n #define SCFG_SNPCNFGCR_SECWRSNP\t\t0x40000000\n #define SCFG_SNPCNFGCR_SATARDSNP\t0x00800000\ndiff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h\nindex 59410aa7e7..01b24d03f1 100644\n--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h\n+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h\n@@ -133,6 +133,7 @@\n #define SCFG_BASE\t\t0x01fc0000\n #define SCFG_USB3PRM1CR\t\t\t0x000\n #define SCFG_USB3PRM1CR_INIT\t\t0x27672b2a\n+#define SCFG_USB_TXVREFTUNE\t\t0x9\n #define SCFG_QSPICLKCTLR\t0x10\n \n #define TP_ITYP_AV\t\t0x00000001\t/* Initiator available */\n", "prefixes": [ "U-Boot", "v4", "1/8" ] }