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Diffstat (limited to 'drivers/firmware/qcom/Kconfig')
| -rw-r--r-- | drivers/firmware/qcom/Kconfig | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/firmware/qcom/Kconfig b/drivers/firmware/qcom/Kconfig index 3f05d9854ddf..7f6eb4174734 100644 --- a/drivers/firmware/qcom/Kconfig +++ b/drivers/firmware/qcom/Kconfig @@ -7,8 +7,39 @@ menu "Qualcomm firmware drivers" config QCOM_SCM + select QCOM_TZMEM tristate +config QCOM_TZMEM + tristate + select GENERIC_ALLOCATOR + +choice + prompt "TrustZone interface memory allocator mode" + default QCOM_TZMEM_MODE_GENERIC + help + Selects the mode of the memory allocator providing memory buffers of + suitable format for sharing with the TrustZone. If in doubt, select + 'Generic'. + +config QCOM_TZMEM_MODE_GENERIC + bool "Generic" + help + Use the generic allocator mode. The memory is page-aligned, non-cachable + and physically contiguous. + +config QCOM_TZMEM_MODE_SHMBRIDGE + bool "SHM Bridge" + help + Use Qualcomm Shared Memory Bridge. The memory has the same alignment as + in the 'Generic' allocator but is also explicitly marked as an SHM Bridge + buffer. + + With this selected, all buffers passed to the TrustZone must be allocated + using the TZMem allocator or else the TrustZone will refuse to use them. + +endchoice + config QCOM_SCM_DOWNLOAD_MODE_DEFAULT bool "Qualcomm download mode enabled by default" depends on QCOM_SCM |