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2017-04-02platform: Add support for Marvell A7K/A8K platformsKonstantin Porotchkin
Add platform support files for Marvell A7K and A7K SoC families. Change-Id: I4f8b0a7cd222be5b7f43577172f1cdba58ffc124 Signed-off-by: Haim Boot <hayim@marvell.com> Signed-off-by: Konstantin Porotchkin <kostap@marvell.com> Reviewed-on: http://vgitil04.il.marvell.com:8080/37918
2017-04-02platform: Add marvell platforms common componentsKonstantin Porotchkin
Add common platform components to be used by all supported Marvell platforms. Change-Id: Ie5f70fc7ff668c8f8073d6dd936458f35890ebcf Signed-off-by: Haim Boot <hayim@marvell.com> Signed-off-by: Konstantin Porotchkin <kostap@marvell.com> Reviewed-on: http://vgitil04.il.marvell.com:8080/38133
2016-09-21AArch32: Support in SP_MIN to receive arguments from BL2Yatharth Kochar
This patch adds support in SP_MIN to receive generic and platform specific arguments from BL2. The new signature is as following: void sp_min_early_platform_setup(void *from_bl2, void *plat_params_from_bl2); ARM platforms have been modified to use this support. Note: Platforms may break if using old signature. Default value for RESET_TO_SP_MIN is changed to 0. Change-Id: I008d4b09fd3803c7b6231587ebf02a047bdba8d0
2016-09-21AArch32: Common changes needed for BL1/BL2Yatharth Kochar
This patch adds common changes to support AArch32 state in BL1 and BL2. Following are the changes: * Added functions for disabling MMU from Secure state. * Added AArch32 specific SMC function. * Added semihosting support. * Added reporting of unhandled exceptions. * Added uniprocessor stack support. * Added `el3_entrypoint_common` macro that can be shared by BL1 and BL32 (SP_MIN) BL stages. The `el3_entrypoint_common` is similar to the AArch64 counterpart with the main difference in the assembly instructions and the registers that are relevant to AArch32 execution state. * Enabled `LOAD_IMAGE_V2` flag in Makefile for `ARCH=aarch32` and added check to make sure that platform has not overridden to disable it. Change-Id: I33c6d8dfefb2e5d142fdfd06a0f4a7332962e1a3
2016-09-21ARM platform changes for new version of image loadingYatharth Kochar
This patch adds changes in ARM platform code to use new version of image loading. Following are the major changes: -Refactor the signatures for bl31_early_platform_setup() and arm_bl31_early_platform_setup() function to use `void *` instead of `bl31_params_t *`. -Introduce `plat_arm_bl2_handle_scp_bl2()` to handle loading of SCP_BL2 image from BL2. -Remove usage of reserve_mem() function from `arm_bl1_early_platform_setup()` -Extract BL32 & BL33 entrypoint info, from the link list passed by BL2, in `arm_bl31_early_platform_setup()` -Provides weak definitions for following platform functions: plat_get_bl_image_load_info plat_get_next_bl_params plat_flush_next_bl_params bl2_plat_handle_post_image_load -Instantiates a descriptor array for ARM platforms describing image and entrypoint information for `SCP_BL2`, `BL31`, `BL32` and `BL33` images. All the above changes are conditionally compiled using the `LOAD_IMAGE_V2` flag. Change-Id: I5e88b9785a3df1a2b2bbbb37d85b8e353ca61049
2016-09-20Changes for new version of image loading in BL1/BL2Yatharth Kochar
This patch adds changes in BL1 & BL2 to use new version of image loading to load the BL images. Following are the changes in BL1: -Use new version of load_auth_image() to load BL2 -Modified `bl1_init_bl2_mem_layout()` to remove using `reserve_mem()` and to calculate `bl2_mem_layout`. `bl2_mem_layout` calculation now assumes that BL1 RW data is at the top of the bl1_mem_layout, which is more restrictive than the previous BL1 behaviour. Following are the changes in BL2: -The `bl2_main.c` is refactored and all the functions for loading BLxx images are now moved to `bl2_image_load.c` `bl2_main.c` now calls a top level `bl2_load_images()` to load all the images that are applicable in BL2. -Added new file `bl2_image_load_v2.c` that uses new version of image loading to load the BL images in BL2. All the above changes are conditionally compiled using the `LOAD_IMAGE_V2` flag. Change-Id: Ic6dcde5a484495bdc05526d9121c59fa50c1bf23
2016-09-20Add new version of image loading.Yatharth Kochar
This patch adds capability to load BL images based on image descriptors instead of hard coded way of loading BL images. This framework is designed such that it can be readily adapted by any BL stage that needs to load images. In order to provide the above capability the following new platform functions are introduced: bl_load_info_t *plat_get_bl_image_load_info(void); This function returns pointer to the list of images that the platform has populated to load. bl_params_t *plat_get_next_bl_params(void); This function returns a pointer to the shared memory that the platform has kept aside to pass trusted firmware related information that next BL image needs. void plat_flush_next_bl_params(void); This function flushes to main memory all the params that are passed to next image. int bl2_plat_handle_post_image_load(unsigned int image_id) This function can be used by the platforms to update/use image information for given `image_id`. `desc_image_load.c` contains utility functions which can be used by the platforms to generate, load and executable, image list based on the registered image descriptors. This patch also adds new version of `load_image/load_auth_image` functions in-order to achieve the above capability. Following are the changes for the new version as compared to old: - Refactor the signature and only keep image_id and image_info_t arguments. Removed image_base argument as it is already passed through image_info_t. Given that the BL image base addresses and limit/size are already provided by the platforms, the meminfo_t and entry_point_info arguments are not needed to provide/reserve the extent of free memory for the given BL image. - Added check for the image size against the defined max size. This is needed because the image size could come from an unauthenticated source (e.g. the FIP header). To make this check, new member is added to the image_info_t struct for identifying the image maximum size. New flag `LOAD_IMAGE_V2` is added in the Makefile. Default value is 0. NOTE: `TRUSTED_BOARD_BOOT` is currently not supported when `LOAD_IMAGE_V2` is enabled. Change-Id: Ia7b643f4817a170d5a2fbf479b9bc12e63112e79
2016-09-19Merge pull request #702 from jeenu-arm/psci-node-hw-statedanh-arm
Support for PSCI NODE_HW_STATE
2016-09-15CSS: Implement support for NODE_HW_STATEJeenu Viswambharan
This patch implements CSS platform hook to support NODE_HW_STATE PSCI API. The platform hook queries SCP to obtain CSS power state. Power states returned by SCP are then converted to expected PSCI return codes. Juno's PSCI operation structure is modified to use the CSS implementation. Change-Id: I4a5edac0e5895dd77b51398cbd78f934831dafc0
2016-09-15Add some missing forward declarations in plat_arm.hSandrine Bailleux
This patch adds a couple of missing forward declarations in plat_arm.h so that all types it references are known within this header file, without relying on previous header inclusions. This concerns the meminfo and bl31_params structures, which are defined in bl_common.h. Other external types referenced from plat_arm.h (e.g. mmap_region_t) get declared through header files included by arm_plat.h so they don't need forward declarations. Change-Id: I471d5aa487919aff3fa979fc65e053f4f5b0ef32
2016-08-10AArch32: Add FVP support for SP_MINSoby Mathew
This patch implements the support for SP_MIN in FVP. The SP_MIN platform APIs are implemented and the required makefile support is added for FVP. Change-Id: Id50bd6093eccbd5e38894e3fd2b20d5baeac5452
2016-08-10AArch32: Add essential ARM platform and FVP supportSoby Mathew
This patch adds AArch32 support for FVP and implements common platform APIs like `plat_get_my_stack`, `plat_set_my_stack`, `plat_my_core_cos` for AArch32. Only Multi Processor(MP) implementations of these functions are considered in this patch. The ARM Standard platform layer helpers are implemented for AArch32 and the common makefiles are modified to cater for both AArch64 and AArch32 builds. Compatibility with the deprecated platform API is not supported for AArch32. Change-Id: Iad228400613eec91abf731b49e21a15bcf2833ea
2016-07-28Merge pull request #671 from antonio-nino-diaz-arm/an/unoptimised-memdanh-arm
ARM platforms: Define common image sizes
2016-07-25ARM platforms: Define common image sizesAntonio Nino Diaz
Compile option `ARM_BOARD_OPTIMISE_MMAP` has been renamed to `ARM_BOARD_OPTIMISE_MEM` because it now applies not only to defines related to the translation tables but to the image size as well. The defines `PLAT_ARM_MAX_BL1_RW_SIZE`, `PLAT_ARM_MAX_BL2_SIZE` and `PLAT_ARM_MAX_BL31_SIZE` have been moved to the file board_arm_def.h. This way, ARM platforms no longer have to set their own values if `ARM_BOARD_OPTIMISE_MEM=0` and they can specify optimized values otherwise. The common sizes have been set to the highest values used for any of the current build configurations. This is needed because in some build configurations some images are running out of space. This way there is a common set of values known to work for all of them and it can be optimized for each particular platform if needed. The space reserved for BL2 when `TRUSTED_BOARD_BOOT=0` has been increased. This is needed because when memory optimisations are disabled the values for Juno of `PLAT_ARM_MMAP_ENTRIES` and `MAX_XLAT_TABLES` are higher. If in this situation the code is compiled in debug mode and with "-O0", the code won't fit. Change-Id: I70a3d8d3a0b0cad1d6b602c01a7ea334776e718e
2016-07-18Rework type usage in Trusted FirmwareSoby Mathew
This patch reworks type usage in generic code, drivers and ARM platform files to make it more portable. The major changes done with respect to type usage are as listed below: * Use uintptr_t for storing address instead of uint64_t or unsigned long. * Review usage of unsigned long as it can no longer be assumed to be 64 bit. * Use u_register_t for register values whose width varies depending on whether AArch64 or AArch32. * Use generic C types where-ever possible. In addition to the above changes, this patch also modifies format specifiers in print invocations so that they are AArch64/AArch32 agnostic. Only files related to upcoming feature development have been reworked. Change-Id: I9f8c78347c5a52ba7027ff389791f1dad63ee5f8
2016-07-08ARM CSS platforms: Map flash as execute-never by defaultSandrine Bailleux
On ARM CSS platforms, the whole flash used to be mapped as executable. This is not required, given that the flash is used to store the BL1 and FIP images and: - The FIP is not executed in place, its images are copied to RAM and executed from there. - BL1 is executed in place from flash but only its code needs to be mapped as executable and platform code takes care of re-mapping BL1's read-only section as executable. Therefore, this patch now maps the flash as non-executable by default on these platforms. This increases security by restricting the executable region to what is strictly needed. This patch also adds some comments to clarify the memory mapping attributes on these platforms. Change-Id: I4db3c145508bea1f43fbe0f6dcd551e1aec1ecd3
2016-07-08ARM platforms: Add support for SEPARATE_CODE_AND_RODATASandrine Bailleux
The arm_setup_page_tables() function used to expect a single set of addresses defining the extents of the whole read-only section, code and read-only data mixed up, which was mapped as executable. This patch changes this behaviour. arm_setup_page_tables() now expects 2 separate sets of addresses: - the extents of the code section; - the extents of the read-only data section. The code is mapped as executable, whereas the data is mapped as execute-never. New #defines have been introduced to identify the extents of the code and the read-only data section. Given that all BL images except BL1 share the same memory layout and linker script structure, these #defines are common across these images. The slight memory layout differences in BL1 have been handled by providing values specific to BL1. Note that this patch also affects the Xilinx platform port, which uses the arm_setup_page_tables() function. It has been updated accordingly, such that the memory mappings on this platform are unchanged. This is achieved by passing null values as the extents of the read-only data section so that it is ignored. As a result, the whole read-only section is still mapped as executable. Fixes ARM-software/tf-issues#85 Change-Id: I1f95865c53ce6e253a01286ff56e0aa1161abac5
2016-07-08Introduce utils.h header fileSandrine Bailleux
This patch introduces a new header file: include/lib/utils.h. Its purpose is to provide generic macros and helper functions that are independent of any BL image, architecture, platform and even not specific to Trusted Firmware. For now, it contains only 2 macros: ARRAY_SIZE() and IS_POWER_OF_TWO(). These were previously defined in bl_common.h and xlat_tables.c respectively. bl_common.h includes utils.h to retain compatibility for platforms that relied on bl_common.h for the ARRAY_SIZE() macro. Upstream platform ports that use this macro have been updated to include utils.h. Change-Id: I960450f54134f25d1710bfbdc4184f12c049a9a9
2016-07-08Introduce arm_setup_page_tables() functionSandrine Bailleux
This patch introduces the arm_setup_page_tables() function to set up page tables on ARM platforms. It replaces the arm_configure_mmu_elx() functions and does the same thing except that it doesn't enable the MMU at the end. The idea is to reduce the amount of per-EL code that is generated by the C preprocessor by splitting the memory regions definitions and page tables creation (which is generic) from the MMU enablement (which is the only per-EL configuration). As a consequence, the call to the enable_mmu_elx() function has been moved up into the plat_arch_setup() hook. Any other ARM standard platforms that use the functions `arm_configure_mmu_elx()` must be updated. Change-Id: I6f12a20ce4e5187b3849a8574aac841a136de83d
2016-06-03Allow dynamic overriding of ROTPK verificationSoby Mathew
A production ROM with TBB enabled must have the ability to boot test software before a real ROTPK is deployed (e.g. manufacturing mode). Previously the function plat_get_rotpk_info() must return a valid ROTPK for TBB to succeed. This patch adds an additional bit `ROTPK_NOT_DEPLOYED` in the output `flags` parameter from plat_get_rotpk_info(). If this bit is set, then the ROTPK in certificate is used without verifying against the platform value. Fixes ARM-software/tf-issues#381 Change-Id: Icbbffab6bff8ed76b72431ee21337f550d8fdbbb
2016-05-20Add 32 bit version of plat_get_syscnt_freqAntonio Nino Diaz
Added plat_get_syscnt_freq2, which is a 32 bit variant of the 64 bit plat_get_syscnt_freq. The old one has been flagged as deprecated. Common code has been updated to use this new version. Porting guide has been updated. Change-Id: I9e913544926c418970972bfe7d81ee88b4da837e
2016-04-21Move `plat_get_syscnt_freq()` to arm_common.cYatharth Kochar
This patch moves the definition for `plat_get_syscnt_freq()` from arm_bl31_setup.c to arm_common.c. This could be useful in case a delay timer needs to be installed based on the generic timer in other BLs. This patch also modifies the return type for this function from `uint64_t` to `unsigned long long` within ARM and other platform files. Change-Id: Iccdfa811948e660d4fdcaae60ad1d700e4eda80d
2016-04-14Dump platform-defined regs in crash reportingGerald Lejeune
It is up to the platform to implement the new plat_crash_print_regs macro to report all relevant platform registers helpful for troubleshooting. plat_crash_print_regs merges or calls previously defined plat_print_gic_regs and plat_print_interconnect_regs macros for each existing platforms. NOTE: THIS COMMIT REQUIRES ALL PLATFORMS THAT ENABLE THE `CRASH_REPORTING` BUILD FLAG TO MIGRATE TO USE THE NEW `plat_crash_print_regs()` MACRO. BY DEFAULT, `CRASH_REPORTING` IS ENABLED IN DEBUG BUILDS FOR ALL PLATFORMS. Fixes: arm-software/tf-issues#373 Signed-off-by: Gerald Lejeune <gerald.lejeune@st.com>
2016-04-08Merge pull request #586 from antonio-nino-diaz-arm/an/spd-bl32danh-arm
Remove BL32_BASE when building without SPD for FVP
2016-04-08Remove BL32_BASE when building without SPD for FVPAntonio Nino Diaz
Previously, when building TF without SPD support, BL2 tried to load a BL32 image from the FIP and fails to find one, which resulted on warning messages on the console. Even if there is a BL32 image in the FIP it shouldn't be loaded because there is no way to transfer control to the Secure Payload without SPD support. The Makefile has been modified to pass a define of the form SPD_${SPD} to the source code the same way it's done for PLAT. The define SPD_none is then used to undefine BL32_BASE when BL32 is not used to prevent BL2 from trying to load a BL32 image and failing, thus removing the warning messages mentioned above. Fixes ARM-software/tf-issues#287 Change-Id: Ifeb6f1c26935efb76afd353fea88e87ba09e9658
2016-04-07Merge pull request #575 from soby-mathew/sm/new_tzc_driverdanh-arm
Refactor the TZC driver and add DMC-500 driver
2016-04-07Merge pull request #572 from jcastillo-arm/jc/tbb_nvcounterdanh-arm
TBB NVcounter support
2016-04-01Modify return type of plat_get_ns_image_entrypoint()Soby Mathew
This patch modifies the return type of the platform API `plat_get_ns_image_entrypoint()` from `unsigned long` to `uintptr_t` in accordance with the coding guidelines. Change-Id: Icb4510ca98b706aa4d535fe27e203394184fb4ca
2016-03-31Add support to program a DMC-500 TZC on ARM platformsVikram Kanigiri
This patch adds support to program TrustZone protection on ARM platforms that implement a DMC-500. arm_dmc_500.c has been added which implements the arm_dmc_tzc_setup() function. This function relies on constants related to TZC programming that are exported by each platform to program TrustZone protection using the DMC-500 TrustZone controller driver. This function should be called from plat_arm_security_setup() which is implemented by each platform. Change-Id: I5400bdee9e4b29155fd11296a40693d512312f29
2016-03-31Migrate ARM standard platforms to the refactored TZC driverSoby Mathew
This patch migrates ARM Standard platforms to the refactored TZC driver. Change-Id: I2a2f60b645f73e14d8f416740c4551cec87cb1fb
2016-03-31TBB: add non-volatile counter supportJuan Castillo
This patch adds support for non-volatile counter authentication to the Authentication Module. This method consists of matching the counter values provided in the certificates with the ones stored in the platform. If the value from the certificate is lower than the platform, the boot process is aborted. This mechanism protects the system against rollback. The TBBR CoT has been updated to include this method as part of the authentication process. Two counters are used: one for the trusted world images and another for the non trusted world images. ** NEW PLATFORM APIs (mandatory when TBB is enabled) ** int plat_get_nv_ctr(void *cookie, unsigned int *nv_ctr); This API returns the non-volatile counter value stored in the platform. The cookie in the first argument may be used to select the counter in case the platform provides more than one (i.e. TBSA compliant platforms must provide trusted and non-trusted counters). This cookie is specified in the CoT. int plat_set_nv_ctr(void *cookie, unsigned int nv_ctr); This API sets a new counter value. The cookie may be used to select the counter to be updated. An implementation of these new APIs for ARM platforms is also provided. The values are obtained from the Trusted Non-Volatile Counters peripheral. The cookie is used to pass the extension OID. This OID may be interpreted by the platform to know which counter must return. On Juno, The trusted and non-trusted counter values have been tied to 31 and 223, respectively, and cannot be modified. ** IMPORTANT ** THIS PATCH BREAKS THE BUILD WHEN TRUSTED_BOARD_BOOT IS ENABLED. THE NEW PLATFORM APIs INTRODUCED IN THIS PATCH MUST BE IMPLEMENTED IN ORDER TO SUCCESSFULLY BUILD TF. Change-Id: Ic943b76b25f2a37f490eaaab6d87b4a8b3cbc89a
2016-03-31Add support to load BL31 in DRAMDavid Wang
This patch adds an option to the ARM common platforms to load BL31 in the TZC secured DRAM instead of the default secure SRAM. To enable this feature, set `ARM_BL31_IN_DRAM` to 1 in build options. If TSP is present, then setting this option also sets the TSP location to DRAM and ignores the `ARM_TSP_RAM_LOCATION` build flag. To use this feature, BL2 platform code must map in the DRAM used by BL31. The macro ARM_MAP_BL31_SEC_DRAM is provided for this purpose. Currently, only the FVP BL2 platform code maps in this DRAM. Change-Id: If5f7cc9deb569cfe68353a174d4caa48acd78d67
2016-03-14Remove all non-configurable dead loopsAntonio Nino Diaz
Added a new platform porting function plat_panic_handler, to allow platforms to handle unexpected error situations. It must be implemented in assembly as it may be called before the C environment is initialized. A default implementation is provided, which simply spins. Corrected all dead loops in generic code to call this function instead. This includes the dead loop that occurs at the end of the call to panic(). All unnecesary wfis from bl32/tsp/aarch64/tsp_exceptions.S have been removed. Change-Id: I67cb85f6112fa8e77bd62f5718efcef4173d8134
2016-02-26Merge pull request #533 from yatharth-arm/yk/genfw-1292danh-arm
Fix the inconsistencies in bl1_tbbr_image_descs[]
2016-02-22Fix the inconsistencies in bl1_tbbr_image_descs[]Yatharth Kochar
This patch fixes inconsistencies in bl1_tbbr_image_descs[] and miscellaneous fixes in Firmware Update code. Following are the changes: * As part of the original FWU changes, a `copied_size` field was added to `image_info_t`. This was a subtle binary compatibility break because it changed the size of the `bl31_params_t` struct, which could cause problems if somebody used different versions of BL2 or BL31, one with the old `image_info_t` and one with the new version. This patch put the `copied_size` within the `image_desc_t`. * EXECUTABLE flag is now stored in `ep_info.h.attr` in place of `image_info.h.attr`, associating it to an entrypoint. * The `image_info.image_base` is only relevant for secure images that are copied from non-secure memory into secure memory. This patch removes initializing `image_base` for non secure images in the bl1_tbbr_image_descs[]. * A new macro `SET_STATIC_PARAM_HEAD` is added for populating bl1_tbbr_image_descs[].ep_info/image_info.h members statically. The version, image_type and image attributes are now populated using this new macro. * Added PLAT_ARM_NVM_BASE and PLAT_ARM_NVM_SIZE to avoid direct usage of V2M_FLASH0_XXX in plat/arm/common/arm_bl1_fwu.c. * Refactoring of code/macros related to SECURE and EXECUTABLE flags. NOTE: PLATFORM PORTS THAT RELY ON THE SIZE OF `image_info_t` OR USE the "EXECUTABLE" BIT WITHIN `image_info_t.h.attr` OR USE THEIR OWN `image_desc_t` ARRAY IN BL1, MAY BE BROKEN BY THIS CHANGE. THIS IS CONSIDERED UNLIKELY. Change-Id: Id4e5989af7bf0ed263d19d3751939da1169b561d
2016-02-22Merge pull request #532 from soby-mathew/vk/configure_mmap_macrosdanh-arm
Rationalise MMU and Page table related constants on ARM platforms
2016-02-22Rationalise MMU and Page table related constants on ARM platformsVikram Kanigiri
`board_arm_def.h` contains multiple definitions of `PLAT_ARM_MMAP_ENTRIES` and `MAX_XLAT_TABLES` that are optimised for memory usage depending upon the chosen build configuration. To ease maintenance of these constants, this patch replaces their multiple definitions with a single set of definitions that will work on all ARM platforms. Platforms can override the defaults with optimal values by enabling the `ARM_BOARD_OPTIMISE_MMAP` build option. An example has been provided in the Juno ADP port. Additionally, `PLAT_ARM_MMAP_ENTRIES` is increased by one to accomodate future ARM platforms. Change-Id: I5ba6490fdd1e118cc9cc2d988ad7e9c38492b6f0
2016-02-19Merge pull request #531 from soby-mathew/sm/multicluster_fvpdanh-arm
Allow multi cluster topology definitions for ARM platforms
2016-02-19Allow multi cluster topology definitions for ARM platformsSoby Mathew
The common topology description helper funtions and macros for ARM Standard platforms assumed a dual cluster system. This is not flexible enough to scale to multi cluster platforms. This patch does the following changes for more flexibility in defining topology: 1. The `plat_get_power_domain_tree_desc()` definition is moved from `arm_topology.c` to platform specific files, that is `fvp_topology.c` and `juno_topology.c`. Similarly the common definition of the porting macro `PLATFORM_CORE_COUNT` in `arm_def.h` is moved to platform specific `platform_def.h` header. 2. The ARM common layer porting macros which were dual cluster specific are now removed and a new macro PLAT_ARM_CLUSTER_COUNT is introduced which must be defined by each ARM standard platform. 3. A new mandatory ARM common layer porting API `plat_arm_get_cluster_core_count()` is introduced to enable the common implementation of `arm_check_mpidr()` to validate MPIDR. 4. For the FVP platforms, a new build option `FVP_NUM_CLUSTERS` has been introduced which allows the user to specify the cluster count to be used to build the topology tree within Trusted Firmare. This enables Trusted Firmware to be built for multi cluster FVP models. Change-Id: Ie7a2e38e5661fe2fdb2c8fdf5641d2b2614c2b6b
2016-02-18Merge pull request #523 from jcastillo-arm/jc/genfw-791danh-arm
ARM platforms: rationalise memory attributes of shared memory
2016-02-18ARM platforms: rationalise memory attributes of shared memoryJuan Castillo
The shared memory region on ARM platforms contains the mailboxes and, on Juno, the payload area for communication with the SCP. This shared memory may be configured as normal memory or device memory at build time by setting the platform flag 'PLAT_ARM_SHARED_RAM_CACHED' (on Juno, the value of this flag is defined by 'MHU_PAYLOAD_CACHED'). When set as normal memory, the platform port performs the corresponding cache maintenance operations. From a functional point of view, this is the equivalent of setting the shared memory as device memory, so there is no need to maintain both options. This patch removes the option to specify the shared memory as normal memory on ARM platforms. Shared memory is always treated as device memory. Cache maintenance operations are no longer needed and have been replaced by data memory barriers to guarantee that payload and MHU are accessed in the right order. Change-Id: I7f958621d6a536dd4f0fa8768385eedc4295e79f
2016-02-16Rework use of interconnect driversVikram Kanigiri
ARM Trusted Firmware supports 2 different interconnect peripheral drivers: CCI and CCN. ARM platforms are implemented using either of the interconnect peripherals. This patch adds a layer of abstraction to help ARM platform ports to choose the right interconnect driver and corresponding platform support. This is as described below: 1. A set of ARM common functions have been implemented to initialise an interconnect and for entering/exiting a cluster from coherency. These functions are prefixed as "plat_arm_interconnect_". Weak definitions of these functions have been provided for each type of driver. 2.`plat_print_interconnect_regs` macro used for printing CCI registers is moved from a common arm_macros.S to cci_macros.S. 3. The `ARM_CONFIG_HAS_CCI` flag used in `arm_config_flags` structure is renamed to `ARM_CONFIG_HAS_INTERCONNECT`. Change-Id: I02f31184fbf79b784175892d5ce1161b65a0066c
2016-02-16Merge pull request #520 from vikramkanigiri/vk/scp_flexibilitydanh-arm
Vk/scp flexibility
2016-02-16Make SCP_BL2(U) image loading configurable on CSS platformsVikram Kanigiri
Current code mandates loading of SCP_BL2/SCP_BL2U images for all CSS platforms. On future ARM CSS platforms, the Application Processor (AP) might not need to load these images. So, these items can be removed from the FIP on those platforms. BL2 tries to load SCP_BL2/SCP_BL2U images if their base addresses are defined causing boot error if the images are not found in FIP. This change adds a make flag `CSS_LOAD_SCP_IMAGES` which if set to `1` does: 1. Adds SCP_BL2, SCP_BL2U images to FIP. 2. Defines the base addresses of these images so that AP loads them. And vice-versa if it is set to `0`. The default value is set to `1`. Change-Id: I5abfe22d5dc1e9d80d7809acefc87b42a462204a
2016-02-15Support for varying BOM/SCPI protocol base addresses in ARM platformsVikram Kanigiri
Current code assumes `SCP_COM_SHARED_MEM_BASE` as the base address for BOM/SCPI protocol between AP<->SCP on all CSS platforms. To cater for future ARM platforms this is made platform specific. Similarly, the bit shifts of `SCP_BOOT_CONFIG_ADDR` are also made platform specific. Change-Id: Ie8866c167abf0229a37b3c72576917f085c142e8
2016-02-15Add API to return memory map on ARM platformsVikram Kanigiri
Functions to configure the MMU in S-EL1 and EL3 on ARM platforms expect each platform to export its memory map in the `plat_arm_mmap` data structure. This approach does not scale well in case the memory map cannot be determined until runtime. To cater for this possibility, this patch introduces the plat_arm_get_mmap() API. It returns a reference to the `plat_arm_mmap` by default but can be overridden by a platform if required. Change-Id: Idae6ad8fdf40cdddcd8b992abc188455fa047c74
2016-02-11Add support for SSC_VERSION register on CSS platformsVikram Kanigiri
Each ARM Compute Subsystem based platform implements a System Security Control (SSC) Registers Unit. The SSC_VERSION register inside it carries information to identify the platform. This enables ARM Trusted Firmware to compile in support for multiple ARM platforms and choose one at runtime. This patch adds macros to enable access to this register. Each platform is expected to export its PART_NUMBER separately. Additionally, it also adds juno part number. Change-Id: I2b1d5f5b65a9c7b76c6f64480cc7cf0aef019422
2016-02-11Re-factor definition of some macros on ARM platformsVikram Kanigiri
This patch moves the definition of some macros used only on ARM platforms from common headers to platform specific headers. It also forces all ARM standard platforms to have distinct definitions (even if they are usually the same). 1. `PLAT_ARM_TZC_BASE` and `PLAT_ARM_NSTIMER_FRAME_ID` have been moved from `css_def.h` to `platform_def.h`. 2. `MHU_BASE` used in CSS platforms is moved from common css_def.h to platform specific header `platform_def.h` on Juno and renamed as `PLAT_ARM_MHU_BASE`. 3. To cater for different sizes of BL images, new macros like `PLAT_ARM_MAX_BL31_SIZE` have been created for each BL image. All ARM platforms need to define them for each image. Change-Id: I9255448bddfad734b387922aa9e68d2117338c3f
2016-02-01Use tf_printf() for debug logs from xlat_tables.cSoby Mathew
The debug prints used to debug translation table setup in xlat_tables.c used the `printf()` standard library function instead of the stack optimized `tf_printf()` API. DEBUG_XLAT_TABLE option was used to enable debug logs within xlat_tables.c and it configured a much larger stack size for the platform in case it was enabled. This patch modifies these debug prints within xlat_tables.c to use tf_printf() and modifies the format specifiers to be compatible with tf_printf(). The debug prints are now enabled if the VERBOSE prints are enabled in Trusted Firmware via LOG_LEVEL build option. The much larger stack size definition when DEBUG_XLAT_TABLE is defined is no longer required and the platform ports are modified to remove this stack size definition. Change-Id: I2f7d77ea12a04b827fa15e2adc3125b1175e4c23
2016-01-14Migrate __warn_deprecated -> __deprecatedSoren Brinkmann
Use the new __deprecated macro from the generic cdefs header and remove the deprecated __warn_deprecated. Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>