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GET /api/1.2/patches/2235248/?format=api
{ "id": 2235248, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2235248/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/44fb6aa80d06ea63fe1fd7db92e07a363d2a4509.1778277334.git.aidan@wolfssl.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/1.2/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": "<44fb6aa80d06ea63fe1fd7db92e07a363d2a4509.1778277334.git.aidan@wolfssl.com>", "list_archive_url": null, "date": "2026-05-09T00:04:14", "name": "[v3,07/12] tpm: add wolfTPM driver helpers and Kconfig options", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "1af1bff6c4edc915f22191a9be810939b1aa521f", "submitter": { "id": 92785, "url": "http://patchwork.ozlabs.org/api/1.2/people/92785/?format=api", "name": "Aidan Garske", "email": "aidan@wolfssl.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/44fb6aa80d06ea63fe1fd7db92e07a363d2a4509.1778277334.git.aidan@wolfssl.com/mbox/", "series": [ { "id": 503464, "url": "http://patchwork.ozlabs.org/api/1.2/series/503464/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=503464", "date": "2026-05-09T00:04:07", "name": "tpm: Add wolfTPM library support for TPM 2.0", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/503464/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2235248/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2235248/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": 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"From": "Aidan Garske <aidan@wolfssl.com>", "To": "u-boot@lists.denx.de", "Cc": "David Garske <david@wolfssl.com>,\n Ilias Apalodimas <ilias.apalodimas@linaro.org>", "Subject": "[PATCH v3 07/12] tpm: add wolfTPM driver helpers and Kconfig options", "Date": "Fri, 8 May 2026 17:04:14 -0700", "Message-ID": "\n <44fb6aa80d06ea63fe1fd7db92e07a363d2a4509.1778277334.git.aidan@wolfssl.com>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<cover.1778277334.git.aidan@wolfssl.com>", "References": "<cover.1778277334.git.aidan@wolfssl.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Mailman-Approved-At": "Sat, 09 May 2026 02:40:11 +0200", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.39", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n <mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<https://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 <mailto:u-boot-request@lists.denx.de?subject=subscribe>", "Errors-To": "u-boot-bounces@lists.denx.de", "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>", "X-Virus-Scanned": "clamav-milter 0.103.8 at phobos.denx.de", "X-Virus-Status": "Clean" }, "content": "From: Aidan <aidan@wolfssl.com>\n\nAdd wolfTPM helper functions and configuration options to the TPM\ndriver subsystem.\n\ndrivers/tpm/wolftpm_common.c:\n Shared helper functions used by the wolfTPM command backend:\n - TPM2_IFX_FwData_Cb(): firmware data callback for Infineon\n firmware update streaming\n - TPM2_IFX_GetOpModeStr(): converts Infineon operational mode\n codes to human-readable strings\n - TPM2_IFX_PrintInfo(): prints manufacturer, vendor, firmware\n version, and operational mode from WOLFTPM2_CAPS\n - TPM2_PCRs_Print(): enumerates and prints assigned PCR banks\n and their selected PCR indices\n - TPM2_Init_Device(): initializes wolfTPM with the TPM2_IoCb\n HAL callback\n\ndrivers/tpm/Kconfig:\n Adds configuration options under TPM_V2:\n - TPM2_SPI_SANDBOX: sandbox TPM SPI emulator for testing\n - TPM_AUTODETECT: auto-detect TPM chip for swtpm/QEMU\n - WOLFTPM_LINUX_DEV: use U-Boot driver model instead of\n wolfTPM's native TIS layer\n - WOLFTPM_SLB9672/SLB9673: Infineon chip-specific features\n - WOLFTPM_FIRMWARE_UPGRADE: firmware update support\n\ndrivers/tpm/Makefile:\n Compiles wolftpm_common.o and sets wolfTPM include paths and\n -DWOLFTPM_USER_SETTINGS when CONFIG_TPM_WOLF is enabled.\n\nSigned-off-by: Aidan Garske <aidan@wolfssl.com>\n---\n drivers/tpm/Kconfig | 44 +++++++++++\n drivers/tpm/Makefile | 9 +++\n drivers/tpm/wolftpm_common.c | 137 +++++++++++++++++++++++++++++++++++\n 3 files changed, 190 insertions(+)\n create mode 100644 drivers/tpm/wolftpm_common.c", "diff": "diff --git a/drivers/tpm/Kconfig b/drivers/tpm/Kconfig\nindex 219ea606b50..a2897a0e040 100644\n--- a/drivers/tpm/Kconfig\n+++ b/drivers/tpm/Kconfig\n@@ -158,6 +158,14 @@ config TPM2_TIS_SANDBOX\n \t such as basic configuration, PCR extension and PCR read. Extended\n \t functionalities are not implemented.\n \n+config TPM2_SPI_SANDBOX\n+\tbool \"Enable sandbox TPM SPI emulator\"\n+\tdepends on TPM_V2 && SANDBOX && DM_SPI\n+\thelp\n+\t This driver emulates a TPM connected via SPI for sandbox testing.\n+\t It implements the TPM TIS SPI protocol and can be used to test\n+\t wolfTPM SPI HAL code without physical hardware.\n+\n config TPM2_TIS_SPI\n \tbool \"Enable support for TPMv2.x SPI chips\"\n \tdepends on TPM_V2 && DM_SPI\n@@ -200,6 +208,42 @@ config TPM2_EVENT_LOG_SIZE\n \t allocated twice. One for the eventlog it self and one for the\n \t configuration table that is required from the TCG2 spec\n \n+config TPM_AUTODETECT\n+ bool \"wolfTPM auto-detect TPM chip (for swtpm/QEMU)\"\n+ depends on TPM_V2 && TPM_WOLF\n+ help\n+ Enable wolfTPM chip auto-detection instead of using a specific\n+ chip type (SLB9672/SLB9673). Use this for swtpm/QEMU testing\n+ where no specific hardware chip is present.\n+\n+config WOLFTPM_LINUX_DEV\n+ bool \"Use device-level TPM interface (bypass wolfTPM TIS layer)\"\n+ depends on TPM_V2 && TPM_WOLF\n+ default y\n+ help\n+ Enable wolfTPM to use the underlying TPM driver instead of its own\n+ TIS (TPM Interface Specification) layer. On U-Boot, this uses the\n+ U-Boot TPM driver model (tpm_xfer). On Linux, this uses /dev/tpm0.\n+ This is the recommended setting for U-Boot.\n+\n+config WOLFTPM_SLB9672\n+ bool \"Enable support for Infineon SLB9672 TPM\"\n+ depends on TPM_V2 && TPM_WOLF\n+ help\n+ Enable support for Infineon SLB9672 TPM features in wolfTPM.\n+\n+config WOLFTPM_SLB9673\n+ bool \"Enable support for Infineon SLB9673 TPM\"\n+ depends on TPM_V2 && TPM_WOLF\n+ help\n+ Enable support for Infineon SLB9673 TPM features in wolfTPM.\n+\n+config WOLFTPM_FIRMWARE_UPGRADE\n+ bool \"Enable firmware upgrade support for wolfTPM\"\n+ depends on TPM_V2 && TPM_WOLF\n+ help\n+ Enable support for Infineon TPM firmware upgrade commands in wolfTPM.\n+\n endif # TPM_V2\n \n endmenu\ndiff --git a/drivers/tpm/Makefile b/drivers/tpm/Makefile\nindex b83ce703ec0..bee4193e9fc 100644\n--- a/drivers/tpm/Makefile\n+++ b/drivers/tpm/Makefile\n@@ -10,7 +10,16 @@ obj-$(CONFIG_TPM_TIS_SANDBOX) += tpm_tis_sandbox.o sandbox_common.o\n \n obj-$(CONFIG_$(PHASE_)TPM2_CR50_I2C) += cr50_i2c.o\n obj-$(CONFIG_TPM2_TIS_SANDBOX) += tpm2_tis_sandbox.o sandbox_common.o\n+obj-$(CONFIG_TPM2_SPI_SANDBOX) += tpm_spi_sandbox.o\n obj-$(CONFIG_TPM2_TIS_SPI) += tpm2_tis_core.o tpm2_tis_spi.o\n obj-$(CONFIG_TPM2_TIS_I2C) += tpm2_tis_core.o tpm2_tis_i2c.o\n obj-$(CONFIG_TPM2_FTPM_TEE) += tpm2_ftpm_tee.o\n obj-$(CONFIG_TPM2_MMIO) += tpm2_tis_core.o tpm2_tis_mmio.o\n+\n+# wolfTPM helper functions\n+ifeq ($(CONFIG_TPM_WOLF),y)\n+ccflags-y += -I$(srctree)/lib/wolftpm \\\n+ -I$(srctree)/include/configs \\\n+ -DWOLFTPM_USER_SETTINGS\n+obj-y += wolftpm_common.o\n+endif\ndiff --git a/drivers/tpm/wolftpm_common.c b/drivers/tpm/wolftpm_common.c\nnew file mode 100644\nindex 00000000000..bea36cf0229\n--- /dev/null\n+++ b/drivers/tpm/wolftpm_common.c\n@@ -0,0 +1,137 @@\n+// SPDX-License-Identifier: GPL-2.0+\n+/*\n+ * wolfTPM common helper functions for U-Boot\n+ *\n+ * Copyright (C) 2025 wolfSSL Inc.\n+ * Author: Aidan Garske <aidan@wolfssl.com>\n+ */\n+\n+#define LOG_CATEGORY UCLASS_BOOTSTD\n+\n+#include <wolftpm.h>\n+#include <wolftpm/tpm2.h>\n+#include <wolftpm/tpm2_wrap.h>\n+#include <wolftpm/tpm2_packet.h>\n+#include <hal/tpm_io.h>\n+#include <stdio.h>\n+#include <string.h>\n+#include <log.h>\n+#include <hash.h>\n+#include <examples/wrap/wrap_test.h>\n+\n+#ifndef WOLFTPM2_NO_WRAPPER\n+#ifdef WOLFTPM_FIRMWARE_UPGRADE\n+\n+/******************************************************************************/\n+/* --- BEGIN helper functions -- */\n+/******************************************************************************/\n+\n+struct fw_info {\n+\tbyte *manifest_buf;\n+\tbyte *firmware_buf;\n+\tsize_t manifest_bufSz;\n+\tsize_t firmware_bufSz;\n+};\n+\n+int TPM2_IFX_FwData_Cb(uint8_t *data, uint32_t data_req_sz,\n+\t\t\tuint32_t offset, void *cb_ctx)\n+{\n+\tstruct fw_info *fwinfo = (struct fw_info *)cb_ctx;\n+\n+\tif (offset > fwinfo->firmware_bufSz)\n+\t\treturn BUFFER_E;\n+\tif (offset + data_req_sz > (uint32_t)fwinfo->firmware_bufSz)\n+\t\tdata_req_sz = (uint32_t)fwinfo->firmware_bufSz - offset;\n+\tif (data_req_sz > 0)\n+\t\tmemcpy(data, &fwinfo->firmware_buf[offset], data_req_sz);\n+\treturn data_req_sz;\n+}\n+\n+const char *TPM2_IFX_GetOpModeStr(int opMode)\n+{\n+\tconst char *opModeStr = \"Unknown\";\n+\n+\tswitch (opMode) {\n+\tcase 0x00:\n+\t\topModeStr = \"Normal TPM operational mode\";\n+\t\tbreak;\n+\tcase 0x01:\n+\t\topModeStr = \"TPM firmware update mode (abandon possible)\";\n+\t\tbreak;\n+\tcase 0x02:\n+\t\topModeStr = \"TPM firmware update mode (abandon not possible)\";\n+\t\tbreak;\n+\tcase 0x03:\n+\t\topModeStr = \"After successful update, but before finalize\";\n+\t\tbreak;\n+\tcase 0x04:\n+\t\topModeStr = \"After finalize or abandon, reboot required\";\n+\t\tbreak;\n+\tdefault:\n+\t\tbreak;\n+\t}\n+\treturn opModeStr;\n+}\n+\n+void TPM2_IFX_PrintInfo(WOLFTPM2_CAPS *caps)\n+{\n+\tprintf(\"Mfg %s (%d), Vendor %s, Fw %u.%u (0x%x)\\n\",\n+\t\tcaps->mfgStr, caps->mfg, caps->vendorStr, caps->fwVerMajor,\n+\t\tcaps->fwVerMinor, caps->fwVerVendor);\n+\tprintf(\"Operational mode: %s (0x%x)\\n\",\n+\t\tTPM2_IFX_GetOpModeStr(caps->opMode), caps->opMode);\n+\tprintf(\"KeyGroupId 0x%x, FwCounter %d (%d same)\\n\",\n+\t\tcaps->keyGroupId, caps->fwCounter, caps->fwCounterSame);\n+}\n+#endif /* WOLFTPM_FIRMWARE_UPGRADE */\n+\n+int TPM2_PCRs_Print(void)\n+{\n+\tint rc;\n+\tint pcrCount, pcrIndex;\n+\tGetCapability_In capIn;\n+\tGetCapability_Out capOut;\n+\tTPML_PCR_SELECTION *pcrSel;\n+\n+\tmemset(&capIn, 0, sizeof(capIn));\n+\tcapIn.capability = TPM_CAP_PCRS;\n+\tcapIn.property = 0;\n+\tcapIn.propertyCount = 1;\n+\trc = TPM2_GetCapability(&capIn, &capOut);\n+\tif (rc != TPM_RC_SUCCESS) {\n+\t\tlog_debug(\"TPM2_GetCapability failed rc=%d (%s)\\n\",\n+\t\t\t rc, TPM2_GetRCString(rc));\n+\t\treturn rc;\n+\t}\n+\tpcrSel = &capOut.capabilityData.data.assignedPCR;\n+\tprintf(\"Assigned PCR's:\\n\");\n+\tfor (pcrCount = 0; pcrCount < (int)pcrSel->count; pcrCount++) {\n+\t\tprintf(\"\\t%s: \",\n+\t\t TPM2_GetAlgName(pcrSel->pcrSelections[pcrCount].hash));\n+\t\tfor (pcrIndex = 0;\n+\t\t pcrIndex < pcrSel->pcrSelections[pcrCount].sizeofSelect * 8;\n+\t\t pcrIndex++) {\n+\t\t\tif ((pcrSel->pcrSelections[pcrCount].pcrSelect[pcrIndex / 8] &\n+\t\t\t ((1 << (pcrIndex % 8)))) != 0)\n+\t\t\t\tprintf(\" %d\", pcrIndex);\n+\t\t}\n+\t\tprintf(\"\\n\");\n+\t}\n+\treturn TPM_RC_SUCCESS;\n+}\n+\n+int TPM2_Init_Device(WOLFTPM2_DEV *dev, void *userCtx)\n+{\n+\tint rc;\n+\n+\t/* Use TPM2_IoCb callback for packet-level access */\n+\trc = wolfTPM2_Init(dev, TPM2_IoCb, userCtx);\n+\tlog_debug(\"tpm2 init: rc = %d (%s)\\n\", rc, TPM2_GetRCString(rc));\n+\treturn rc;\n+}\n+\n+#endif /* WOLFTPM2_NO_WRAPPER */\n+\n+/******************************************************************************/\n+/* --- END helper functions -- */\n+/******************************************************************************/\n", "prefixes": [ "v3", "07/12" ] }