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This patch pushes the ACPI dependency into the device driver code itself. Now, even without ACPI/PNP enabled, the device can be registered using the TIS specified memory space. This will however result in the lack of access to the bios event log, being the only implication of such ACPI removal. Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com> Acked-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
70 lines
2.4 KiB
Plaintext
70 lines
2.4 KiB
Plaintext
#
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# TPM device configuration
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#
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menuconfig TCG_TPM
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tristate "TPM Hardware Support"
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depends on HAS_IOMEM
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depends on EXPERIMENTAL
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select SECURITYFS
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---help---
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If you have a TPM security chip in your system, which
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implements the Trusted Computing Group's specification,
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say Yes and it will be accessible from within Linux. For
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more information see <http://www.trustedcomputinggroup.org>.
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An implementation of the Trusted Software Stack (TSS), the
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userspace enablement piece of the specification, can be
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obtained at: <http://sourceforge.net/projects/trousers>. To
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compile this driver as a module, choose M here; the module
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will be called tpm. If unsure, say N.
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Note: For more TPM drivers and BIOS LOG access enable
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CONFIG_PNP, CONFIG_ACPI and CONFIG_PNPACPI.
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if TCG_TPM
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config TCG_TIS
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tristate "TPM Interface Specification 1.2 Interface"
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---help---
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If you have a TPM security chip that is compliant with the
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TCG TIS 1.2 TPM specification say Yes and it will be accessible
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from within Linux. To compile this driver as a module, choose
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M here; the module will be called tpm_tis.
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config TCG_BIOS_LOG
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bool "TPM bios mesurement log"
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depends on X86
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select ACPI
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---help---
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ACPI is required for access to bios measurements lists and therefore
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to validate the PCR[0] value. So say Yes in case you want this
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feature and, consequently, ACPI will be enabled.
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config TCG_NSC
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tristate "National Semiconductor TPM Interface"
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---help---
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If you have a TPM security chip from National Semiconductor
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say Yes and it will be accessible from within Linux. To
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compile this driver as a module, choose M here; the module
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will be called tpm_nsc.
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config TCG_ATMEL
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tristate "Atmel TPM Interface"
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---help---
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If you have a TPM security chip from Atmel say Yes and it
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will be accessible from within Linux. To compile this driver
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as a module, choose M here; the module will be called tpm_atmel.
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config TCG_INFINEON
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tristate "Infineon Technologies TPM Interface"
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depends on PNP
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---help---
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If you have a TPM security chip from Infineon Technologies
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(either SLD 9630 TT 1.1 or SLB 9635 TT 1.2) say Yes and it
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will be accessible from within Linux.
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To compile this driver as a module, choose M here; the module
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will be called tpm_infineon.
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Further information on this driver and the supported hardware
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can be found at http://www.prosec.rub.de/tpm
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endif # TCG_TPM
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