Commit Graph

267 Commits

Author SHA1 Message Date
Sam Payne 53ea158551 Tegra210: Enable ECC reporting for B01 SKUs
This patch enables L2 error correction and parity protection
for Tegra210 on boot and exit from suspend. The previous bootloader
sets the boot parameter, indicating ECC reporting, only for B01 SKUs.

Change-Id: I6927884d375a64c69e2f1e9aed85f95c5e3cb17c
Signed-off-by: Sam Payne <spayne@nvidia.com>
2019-01-16 10:20:39 -08:00
Harvey Hsieh c195fec698 Tegra210: skip the BTB invalidate workaround for B01 SKUs
This patch skips the BTB invalidate workaround for Tegra210-B01 chips, as
they have already been fixed in the hardware. To allow the .S file to
include macros, add proper guards to tegra_platform.h.

Change-Id: I0826d3c54faeffc9cb0709331f47cbdf25d4b653
Signed-off-by: Harvey Hsieh <hhsieh@nvidia.com>
2019-01-16 10:20:32 -08:00
Krishna Reddy b86e691eb3 Tegra186: memctrl_v2: Set MC clients ordering as per client needs
Set MC Clients ordering as per the clients needs(ordered, BW, ISO/non-ISO)
based on the latest info received from HW team as a part of BW issues debug.

SMMU Client config register are obsolete from T186. Clean up the unnecessary
register definitions and programming of these registers.
Cleanup unnecessary macros as well.

Change-Id: I0d28ae8842a33ed534f6a15bfca3c9926b3d46b2
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
2019-01-16 10:20:26 -08:00
Varun Wadekar 223844af41 Tegra210: memmap all the IRAM memory banks
This patch memmaps all the IRAM memory banks during boot. The BPMP
firmware might place the channels in any of the IRAMs, so it is better
to map all the banks to avoid surprises.

Change-Id: Ia009a65d227ee50fbb23e511ce509daf41b877ee
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:20:19 -08:00
Varun Wadekar 78edaac4a6 Tegra: bpmp: fix check to see if Atomics block is powered on
This patch fixes the logic to check if Atomics hardware block is powered
on during boot

Reported by: Peter De Schrijver <pdeschrijver@nvidia.com>

Change-Id: I4a6521bcee37225d1402321151c48fa631776b8a
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:20:12 -08:00
Varun Wadekar 07d94a69ac Tegra210: increase MAX_XLAT_TABLES and MAX_MMAP_REGIONS
This patch updates the macros to include the newly added IRAM
memory apertures.

Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Change-Id: I931daa310d738e8bf966f14e11d0631920e9bdde
2019-01-16 10:20:03 -08:00
Anthony Zhou d6102295c5 Tegra186: setup: fix defects flagged by MISRA scan
Main fixes:

Added explicit casts (e.g. 0U) to integers in order for them to be
compatible with whatever operation they're used in [Rule 10.1]

Force operands of an operator to the same type category [Rule 10.4]

Added curly braces ({}) around if statements in order to
make them compound [Rule 15.6]

Change-Id: I4840c3122939f736113d61f1462af3bd7b0b5085
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
2019-01-16 10:19:52 -08:00
Anthony Zhou 214e8464ac Tegra186: PM: fix MISRA defects in plat_psci_handlers.c
Main fixes:

Added explicit casts (e.g. 0U) to integers in order for them to be
compatible with whatever operation they're used in [Rule 10.1]

convert object type to match the type of function parameters
[Rule 10.3]

Force operands of an operator to the same type category [Rule 10.4]

Fix implicit widening of composite assignment [Rule 10.6]

Change-Id: I5840a07f37beefc3326ac56d0b4a4701602bd8a8
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
2019-01-16 10:19:27 -08:00
Varun Wadekar d2dc0cf679 Tegra186: mce: remove unwanted print messages
This patch removes unwanted error prints from the MCE command
handler, to reduce the code complexity for this function.

Tested with 'pmccabe'

Change-Id: I375d289db1df9e119eeb1830210974457c8905a4
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:13:10 -08:00
Varun Wadekar 96b2f8a23b Tegra186: remove support for Quasi System power off (SC8) state
This patch removes support for the SC8 power state as the feature is no
longer required for Tegra186 projects.

Change-Id: I622a5ddcffe025b9b798801d09bbb856853befd7
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:13:01 -08:00
Anthony Zhou aeafc36212 Tegra: sip_calls: fix defects flagged by MISRA scan
Main fixes:

* Expressions resulting from the expansion of macro parameters
  shall be enclosed in parentheses [Rule 20.7]
* Added explicit casts (e.g. 0U) to integers in order for them
  to be compatible with whatever operation they're used in [Rule
  10.1]
* Fix implicit widening of composite assignment [Rule 10.6]

Change-Id: Ia83c3ab6e4c8c03c19c950978a7936ebfc290590
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:12:43 -08:00
Anthony Zhou 592035d05b Tegra186: secondary: fix MISRA defects
Main fixes:

Added explicit casts (e.g. 0U) to integers in order for them to be
compatible with whatever operation they're used in [Rule 10.1]

Force operands of an operator to the same type category [Rule 10.4]

Voided non c-library functions whose return types are not used [Rule 17.7]

Change-Id: I758e7ef6d45dd2edf4cd5580e2af15219246e75c
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
2019-01-16 10:12:35 -08:00
Varun Wadekar 47b83ad2d9 Tegra: Passing EKS size as boot arg to trusty
* EKS blob size was not passed by as a boot parameter
  earlier. Its being passed now
* If EKS value sent by bootloader is non-zero
  update the boot parameter from default value to the argument
  passed by bootloader

Change-Id: I65a3091bd2c1c908cc9e81c0aab6489cab02c098
Signed-off-by: Akshay Sharan <asharan@nvidia.com>
2019-01-16 10:12:26 -08:00
Sam Payne 8668fe0c80 Tegra210B01: initialize DRBG on boot and resume
DRBG must be initialized to guarantee SRK has a random
value during suspend. This patch add a sequence to generate
an SRK on boot and during resume for SE1 and SE2. This SRK
value is not saved to PMC scratch, and should be overwitten
during atomic suspend.

Change-Id: Id5e2dc74a1b462dd6addaec1709fec46083a6e1c
Signed-off-by: Sam Payne <spayne@nvidia.com>
2019-01-16 10:12:12 -08:00
Varun Wadekar dd1a71f1c2 Tegra210: bpmp: power management interface
This patch adds the driver to communicate with the BPMP processor
for power management use cases. BPMP controls the entry into cluster
and system power states. The Tegra210 platform port queries the BPMP
to calculate the target state for the cluster. In case BPMP does not
allow CCx entry, the core enters a power down state.

Change-Id: I9c40aef561607a0b02c49b7f8118570eb9105cc9
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:12:01 -08:00
Anthony Zhou a9cd8630a3 Tegra186: mce: fix trivial MISRA defects
This patch fixes MISRA defects for the MCE driver.

* Using logical NOT for bool type function
* Using MPIDR_AFFLVL_MASK << MPIDR_AFFINITY_BITS replace
  MPIDR_CLUSTER_MASK

Change-Id: I97e96f172a3c1158646a15a184c273c53a103d63
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
2019-01-16 10:11:52 -08:00
Anthony Zhou 7aba390fd0 Tegra: topology: fix MISRA defects for Rule 4.6
This patch uses int32_t to replace ints, to fix Rule 4.6 of the
MISRA standard.

Change-Id: I20ac6185929eced684b43da3ef1f8cd5fbddc83d
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:11:41 -08:00
Anthony Zhou 82e73ae703 Tegra: fiq_glue: fix MISRA defects for Rule 2.7
This patch adds (void) for unused function parameters to
fix Rule 2.7 of the MISRA standard.

Change-Id: Ibc3f10b3bfe73363383b4c28413ab8d99fbc8c89
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:11:31 -08:00
Marvin Hsu ce3c97c95b Tegra210B01: SE1 and SE2/PKA1 context save (atomic)
This patch adds the implementation of the SE atomic context save
sequence. The atomic context-save consistently saves to the TZRAM
carveout; thus there is no need to declare context save buffer or
map MMU region in TZRAM for context save. The atomic context-save
routine is responsible to validate the context-save progress
counter, where CTX_SAVE_CNT=133(SE1)/646(SE2), and the SE error
status to ensure the context save procedure complete successfully.

Change-Id: Ic80843902af70e76415530266cb158f668976c42
Signed-off-by: Marvin Hsu <marvinh@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:11:18 -08:00
Anthony Zhou 1d49112b2a Tegra: sip_calls: fix defects flagged by MISRA scan
Main fixes:

* Expressions resulting from the expansion of macro parameters
  shall be enclosed in parentheses [Rule 20.7]
* Added explicit casts (e.g. 0U) to integers in order for them
  to be compatible with whatever operation they're used in [Rule
  10.1]
* Fix implicit widening of composite assignment [Rule 10.6]

Change-Id: Ia83c3ab6e4c8c03c19c950978a7936ebfc290590
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:11:06 -08:00
Harvey Hsieh b495791ba2 Tegra: support to set the L2 ECC and Parity enable bit
This patch adds capability to read the boot flag to enable L2 ECC
and Parity Protection bit for the Cortex-A57 CPUs. The previous
bootloader sets this flag value for the platform.

* with some coverity fix:
MISRA C-2012 Directive 4.6
MISRA C-2012 Rule 2.5
MISRA C-2012 Rule 10.3
MISRA C-2012 Rule 10.4

Change-Id: Id7303bbbdc290b52919356c31625847b8904b073
Signed-off-by: Harvey Hsieh <hhsieh@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:10:52 -08:00
Harvey Hsieh 322e7c3e00 Tegra: console clock settings for real/FPGA platforms
This patch sets up the clock for the UART console, for real Silicon
and FPGA platforms. FPGA platforms run the UART clock source at
13MHz, whereas the clock cource runs at 408MHz for real silicon.

Change-Id: Ibfd99df032ec473f29e636e597cfc95a0f580598
Signed-off-by: Harvey Hsieh <hhsieh@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:08:53 -08:00
Marvin Hsu d3b71331eb Tegra: platform: helper functions to read chip ID
This patch adds helper functions to find out the chip ID of the
Tegra SoC.

Change-Id: Ia3901dc7cdf77d8c23884d1ed38a80dba6a8afde
Signed-off-by: Marvin Hsu <marvinh@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:08:32 -08:00
Varun Wadekar 7b3b41d676 Tegra: retrieve power domain tree from the platforms
The platform code generates the power domain tree. The handler to
retrieve the tree should also reside in the platform code.

This patch moves the plat_get_power_domain_tree_desc() to the
individual platforms.

Change-Id: Iaafc83ed381d83129501111ef655e3c58a8a553f
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:08:08 -08:00
Anthony Zhou c62be07999 Tegra: platform: support simulation platforms and MISRA fixes
This patch adds support for simulation platforms as well as
fixes issues flagged by the MISRA scans.

Main MISRA fixes:

* Added explicit casts (e.g. 0U) to integers in order for them to be
  compatible with whatever operation they're used in [Rule 10.1]
* Fix return type doesn't match the function type [Rule 10.3]
* Use single return point instead of multiple [Rule 15.5]
* Change return type for the tegra_platform_is_x handlers to bool

Change-Id: I871b7c37b22942f6c0c2049c14cc626d4a24d81c
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2019-01-16 10:07:43 -08:00
Antonio Nino Diaz 09d40e0e08 Sanitise includes across codebase
Enforce full include path for includes. Deprecate old paths.

The following folders inside include/lib have been left unchanged:

- include/lib/cpus/${ARCH}
- include/lib/el3_runtime/${ARCH}

The reason for this change is that having a global namespace for
includes isn't a good idea. It defeats one of the advantages of having
folders and it introduces problems that are sometimes subtle (because
you may not know the header you are actually including if there are two
of them).

For example, this patch had to be created because two headers were
called the same way: e0ea0928d5 ("Fix gpio includes of mt8173 platform
to avoid collision."). More recently, this patch has had similar
problems: 46f9b2c3a2 ("drivers: add tzc380 support").

This problem was introduced in commit 4ecca33988 ("Move include and
source files to logical locations"). At that time, there weren't too
many headers so it wasn't a real issue. However, time has shown that
this creates problems.

Platforms that want to preserve the way they include headers may add the
removed paths to PLAT_INCLUDES, but this is discouraged.

Change-Id: I39dc53ed98f9e297a5966e723d1936d6ccf2fc8f
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2019-01-04 10:43:17 +00:00
Varun Wadekar 80c50eeaf9 Tegra: support for native GICv2 drivers
This patch converts Tegra platforms to support native
GICv2 drivers. This involves removes Tegra's GIC driver
port platforms to use interrupt_props

Change-Id: I83d8a690ff276dd97928dc60824a4fd36999bb30
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2018-12-18 14:25:27 -08:00
Varun Wadekar ce6107c747 Tegra: support to compile native GICv2 drivers
This patch adds a macro to allow platforms to compile native
GICv2 drivers along with Tegra handlers.

Change-Id: I8281796c09dae5704cff2daab831395d65e261b7
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2018-12-18 13:24:52 -08:00
Antonio Nino Diaz c3cf06f1a3 Standardise header guards across codebase
All identifiers, regardless of use, that start with two underscores are
reserved. This means they can't be used in header guards.

The style that this project is now to use the full name of the file in
capital letters followed by 'H'. For example, for a file called
"uart_example.h", the header guard is UART_EXAMPLE_H.

The exceptions are files that are imported from other projects:

- CryptoCell driver
- dt-bindings folders
- zlib headers

Change-Id: I50561bf6c88b491ec440d0c8385c74650f3c106e
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2018-11-08 10:20:19 +00:00
Antonio Nino Diaz 9c675b374a Add plat_crash_console_flush to platforms without it
Even though at this point plat_crash_console_flush is optional, it will
stop being optional in a following patch.

The console driver of warp7 doesn't support flush, so the implementation
is a placeholder.

TI had ``plat_crash_console_init`` and ``plat_crash_console_putc``, but
they weren't global so they weren't actually used. Also, they were
calling the wrong functions.

imx8_helpers.S only has placeholders for all of the functions.

Change-Id: I8d17bbf37c7dad74e134c61ceb92acb9af497718
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2018-10-25 09:56:09 +01:00
Antonio Nino Diaz fdcc112797 tegra: Migrate to new interfaces
- Migrate to bl31_early_platform_setup2().
- Remove references to removed build options.
- Replace zeromem16() by zeromem().
- Use private definition of bl31_params_t.

This is an incomplete migration, the platform doesn't currently compile.

Change-Id: I67fbf2206678be80c3a16692024221a131cec42f
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2018-09-28 15:34:17 +01:00
Antonio Nino Diaz 93c78ed231 libc: Fix all includes in codebase
The codebase was using non-standard headers. It is needed to replace
them by the correct ones so that we can use the new libc headers.

Change-Id: I530f71d9510cb036e69fe79823c8230afe890b9d
Acked-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2018-08-22 10:26:05 +01:00
Sandrine Bailleux c426fd709f Tegra: Fix up INFO() message
With commit cf24229e6e ("Run compiler on debug macros for type
checking"), the compiler will now always evaluate INFO() macro
calls, no matter the LOG_LEVEL value. Therefore, any variable
referenced in the macro has to be be defined.

Address this issue by removing the local variable and using the
expression it was assigned directly in the INFO() call.

Change-Id: Iedc23b3538c1e162372e85390881e50718e50bf3
Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
2018-07-13 11:31:17 +02:00
Masahiro Yamada 0a2d5b43c8 types: use int-ll64 for both aarch32 and aarch64
Since commit 031dbb1224 ("AArch32: Add essential Arch helpers"),
it is difficult to use consistent format strings for printf() family
between aarch32 and aarch64.

For example, uint64_t is defined as 'unsigned long long' for aarch32
and as 'unsigned long' for aarch64.  Likewise, uintptr_t is defined
as 'unsigned int' for aarch32, and as 'unsigned long' for aarch64.

A problem typically arises when you use printf() in common code.

One solution could be, to cast the arguments to a type long enough
for both architectures.  For example, if 'val' is uint64_t type,
like this:

  printf("val = %llx\n", (unsigned long long)val);

Or, somebody may suggest to use a macro provided by <inttypes.h>,
like this:

  printf("val = %" PRIx64 "\n", val);

But, both would make the code ugly.

The solution adopted in Linux kernel is to use the same typedefs for
all architectures.  The fixed integer types in the kernel-space have
been unified into int-ll64, like follows:

    typedef signed char           int8_t;
    typedef unsigned char         uint8_t;

    typedef signed short          int16_t;
    typedef unsigned short        uint16_t;

    typedef signed int            int32_t;
    typedef unsigned int          uint32_t;

    typedef signed long long      int64_t;
    typedef unsigned long long    uint64_t;

[ Linux commit: 0c79a8e29b5fcbcbfd611daf9d500cfad8370fcf ]

This gets along with the codebase shared between 32 bit and 64 bit,
with the data model called ILP32, LP64, respectively.

The width for primitive types is defined as follows:

                   ILP32           LP64
    int            32              32
    long           32              64
    long long      64              64
    pointer        32              64

'long long' is 64 bit for both, so it is used for defining uint64_t.
'long' has the same width as pointer, so for uintptr_t.

We still need an ifdef conditional for (s)size_t.

All 64 bit architectures use "unsigned long" size_t, and most 32 bit
architectures use "unsigned int" size_t.  H8/300, S/390 are known as
exceptions; they use "unsigned long" size_t despite their architecture
is 32 bit.

One idea for simplification might be to define size_t as 'unsigned long'
across architectures, then forbid the use of "%z" string format.
However, this would cause a distortion between size_t and sizeof()
operator.  We have unknowledge about the native type of sizeof(), so
we need a guess of it anyway.  I want the following formula to always
return 1:

  __builtin_types_compatible_p(size_t, typeof(sizeof(int)))

Fortunately, ARM is probably a majority case.  As far as I know, all
32 bit ARM compilers use "unsigned int" size_t.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-04-27 18:35:02 +09:00
Masahiro Yamada 57d1e5faf2 Fix pointer type mismatch of handlers
Commit 4c0d039076 ("Rework type usage in Trusted Firmware") changed
the type usage in struct declarations, but did not touch the definition
side.  Fix the type mismatch.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-04-27 18:35:02 +09:00
Joel Hutton 9f85f9e379 Clean usage of void pointers to access symbols
Void pointers have been used to access linker symbols, by declaring an
extern pointer, then taking the address of it. This limits symbols
values to aligned pointer values. To remove this restriction an
IMPORT_SYM macro has been introduced, which declares it as a char
pointer and casts it to the required type.

Change-Id: I89877fc3b13ed311817bb8ba79d4872b89bfd3b0
Signed-off-by: Joel Hutton <Joel.Hutton@Arm.com>
2018-03-27 13:20:27 +01:00
Antonio Nino Diaz 41376c3a4a tegra: Use SPDX license identifier
Change-Id: I770b2db68c8d115d10067bb557e32b5e269c94a5
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2018-03-08 10:57:43 +00:00
davidcunado-arm dbf9f28316
Merge pull request #1239 from arve-android/trusty-fixes
Trusty fixes
2018-03-07 10:43:56 +00:00
Arve Hjønnevåg 06ff251ec1 tegra/trusty: Setup tegra specific trusty args in platform code
Fixes tegra build with SPD=trusty. Not tested.

Change-Id: I851a2b00b8b1cc65112b6088980a811d8eda1a99
2018-02-21 17:36:44 -08:00
Andreas Färber 28db3e96ef tegra: Fix mmap_region_t struct mismatch
Commit fdb1964c34 ("xlat: Introduce
MAP_REGION2() macro") added a granularity field to mmap_region_t.

Tegra platforms were using the v2 xlat_tables implementation in
common/tegra_common.mk, but v1 xlat_tables.h headers in soc/*/plat_setup.c
where arrays are being defined. This caused the next physical address to
be read as granularity, causing EINVAL error and triggering an assert.

Consistently use xlat_tables_v2.h header to avoid this.

Fixes ARM-software/tf-issues#548.

Signed-off-by: Andreas Färber <afaerber@suse.de>
2018-02-17 06:15:35 +01:00
David Cunado 3872fc2d1f Do not enable SVE on pre-v8.2 platforms
Pre-v8.2 platforms such as the Juno platform does not have
the Scalable Vector Extensions implemented and so the build
option ENABLE_SVE is set to zero.

This has a minor performance improvement with no functional
impact.

Change-Id: Ib072735db7a0247406f8b60e325b7e28b1e04ad1
Signed-off-by: David Cunado <david.cunado@arm.com>
2017-11-30 17:45:23 +00:00
Antonio Nino Diaz e47ac1fd63 Fix type of `unsigned long` constants
The type `unsigned long` is 32 bit wide in AArch32, but 64 bit wide in
AArch64. This is inconsistent and that's why we avoid using it as per
the Coding Guidelines. This patch changes all `UL` occurrences to `U`
or `ULL` depending on the context so that the size of the constant is
clear.

This problem affected the macro `BIT(nr)`. As long as this macro is used
to fill fields of registers, that's not a problem, since all registers
are 32 bit wide in AArch32 and 64 bit wide in AArch64. However, if the
macro is used to fill the fields of a 64-bit integer, it won't be able
to set the upper 32 bits in AArch32.

By changing the type of this macro to `unsigned long long` the behaviour
is always the same regardless of the architecture, as this type is
64-bit wide in both cases.

Some Tegra platform files have been modified by this patch.

Change-Id: I918264c03e7d691a931f0d1018df25a2796cc221
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
2017-09-21 12:03:53 +01:00
Eleanor Bonnici d0e1094ea0 Tegra: Rename CORTEX_A57_ACTLR_EL1 to *CPUACTLR*
CORTEX_A57_ACTLR_EL1 macro refers to the CPUACTLR_EL1 register. Since
ACTLR_EL1 is a different register (not implemented in Cortex-A57) this
patch renames this macro for clarity.

Change-Id: I94d7d564cd2423ae032bbdd59a99d2dc535cdff6
Signed-off-by: Eleanor Bonnici <Eleanor.bonnici@arm.com>
2017-08-29 13:52:48 +01:00
Julius Werner 64726e6d61 Add new alignment parameter to func assembler macro
Assembler programmers are used to being able to define functions with a
specific aligment with a pattern like this:

    .align X
  myfunction:

However, this pattern is subtly broken when instead of a direct label
like 'myfunction:', you use the 'func myfunction' macro that's standard
in Trusted Firmware. Since the func macro declares a new section for the
function, the .align directive written above it actually applies to the
*previous* section in the assembly file, and the function it was
supposed to apply to is linked with default alignment.

An extreme case can be seen in Rockchip's plat_helpers.S which contains
this code:

  [...]
  endfunc plat_crash_console_putc

  .align 16
  func platform_cpu_warmboot
  [...]

This assembles into the following plat_helpers.o:

  Sections:
  Idx Name                             Size  [...]  Algn
   9 .text.plat_crash_console_putc 00010000  [...]  2**16
  10 .text.platform_cpu_warmboot   00000080  [...]  2**3

As can be seen, the *previous* function actually got the alignment
constraint, and it is also 64KB big even though it contains only two
instructions, because the .align directive at the end of its section
forces the assembler to insert a giant sled of NOPs. The function we
actually wanted to align has the default constraint. This code only
works at all because the linker just happens to put the two functions
right behind each other when linking the final image, and since the end
of plat_crash_console_putc is aligned the start of platform_cpu_warmboot
will also be. But it still wastes almost 64KB of image space
unnecessarily, and it will break under certain circumstances (e.g. if
the plat_crash_console_putc function becomes unused and its section gets
garbage-collected out).

There's no real way to fix this with the existing func macro. Code like

 func myfunc
 .align X

happens to do the right thing, but is still not really correct code
(because the function label is inserted before the .align directive, so
the assembler is technically allowed to insert padding at the beginning
of the function which would then get executed as instructions if the
function was called). Therefore, this patch adds a new parameter with a
default value to the func macro that allows overriding its alignment.

Also fix up all existing instances of this dangerous antipattern.

Change-Id: I5696a07e2fde896f21e0e83644c95b7b6ac79a10
Signed-off-by: Julius Werner <jwerner@chromium.org>
2017-08-15 16:37:08 -07:00
Varun Wadekar cb95a19a61 Tegra: implement the early suspend handler
This patch implements the early suspend handler for Tegra SoCs. This
handler is empty for now and the actual support for a particular platform
would be added later.

Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2017-07-31 11:41:41 -07:00
Isla Mitchell ee1ebbd18e Fix order of remaining platform #includes
This fix modifies the order of system includes to meet the ARM TF coding
standard. There are some exceptions to this change in order to retain
header groupings and where there are headers within #if statements.

Change-Id: Ib5b668c992d817cc860e97b29e16ef106d17e404
Signed-off-by: Isla Mitchell <isla.mitchell@arm.com>
2017-07-14 10:50:41 +01:00
Douglas Raillard 2ba62de5c3 Fix Tegra CFLAGS usage
Use TF_CFLAGS instead of CFLAGS, to allow CFLAGS to be overriden from
the make command line.

Change-Id: I3e5726c04bcd0176f232581b8be2c94413374ac7
Signed-off-by: Douglas Raillard <douglas.raillard@arm.com>
2017-06-23 10:37:16 +01:00
Anthony Zhou ab712fd86b Tegra186: mce: fix MISRA defects
Main fixes:

* Added explicit casts (e.g. 0U) to integers in order for them to be
  compatible with whatever operation they're used in [Rule 10.1]
* Force operands of an operator to the same type category [Rule 10.4]
* Added curly braces ({}) around if/while statements in order to
  make them compound [Rule 15.6]
* Added parentheses [Rule 12.1]
* Voided non C-library functions whose return types are not used [Rule 17.7]

Change-Id: I91404edec2e2194b1ce2672d2a3fc6a1f5bf41f1
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2017-06-14 17:02:01 -07:00
Anthony Zhou 3436089d67 Tegra: delay_timer: fix MISRA defects
Main fixes:

* Include header file for function declarations [Rule 8.4]
* Move global object into function [Rule 8.9]

Change-Id: I1bc9f3f0ebd4ffc0b8444ac856cd97b0cb56bda4
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
2017-06-14 17:01:51 -07:00
Varun Wadekar 9a8f05e47d Tegra: gic: fix MISRA defects
Main fixes:

* Use int32_t replace int, use uint32_t replace unsign int [Rule 4.6]
* Added explicit casts (e.g. 0U) to integers in order for them to be
  compatible with whatever operation they're used in [Rule 10.1]
* Force operands of an operator to the same type category [Rule 10.4]
* Fixed assert/if statements conditions to be essentially boolean [Rule 14.4]
* Added curly braces ({}) around if statements in order to
  make them compound [Rule 15.6]
* Convert macros form headers to unsigned ints

Change-Id: I8051cc16499cece2039c9751bd347645f40f0901
Signed-off-by: Anthony Zhou <anzhou@nvidia.com>
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
2017-06-14 17:01:39 -07:00