Commit Graph

17 Commits

Author SHA1 Message Date
Yann Gautier 33667d299b feat(st): use newly introduced clock framework
Replace calls to stm32mp_clk_enable() / stm32mp_clk_disable() /
stm32mp_clk_get_rate() with clk_enable() / clk_disable() /
clk_get_rate().

Change-Id: I15d2ce57b9499211fa522a1b53eeee9cf584c111
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
2021-12-22 13:08:09 +01:00
Yann Gautier 3cc5155c84 refactor(plat/st): use TZC400 bindings
This avoids duplicate define of TZC_REGION_NSEC_ALL_ACCESS_RDWR.
And remove the previous TZC400 definitions from stm32mp1_def.h.

Change-Id: I6c72c2a18731f69d855fbce8ce822a21da9364fa
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
2021-09-07 09:14:05 +02:00
Yann Gautier c1ad41fbf7 refactor(plat/st): map DDR secure at boot
In BL2, the DDR can be mapped as secured in MMU, as no other SW
has access to it during its execution.
The TZC400 configuration is also updated to reflect this. When using
OP-TEE, the TZC400 is reconfigured at the end of BL2, to match OP-TEE
mapping. Else, SP_min will be in charge to reconfigure TZC400 to set
DDR non-secure.

Change-Id: Ic5ec614b218f733796feeab1cdc425d28cc7c103
Signed-off-by: Yann Gautier <yann.gautier@st.com>
2021-07-13 18:16:55 +02:00
Yann Gautier b230b3f2dd refactor(plat/st): rework TZC400 configuration
Add new static functions to factorize code in stm32mp1_security.c.

Change-Id: Ifa5a1aaf7c56c25dba9a0ab8e985496d7cb06990
Signed-off-by: Yann Gautier <yann.gautier@st.com>
2021-07-13 18:16:55 +02:00
Yann Gautier 236fc428bb stm32mp1: add TZC400 interrupt management
TZC400 is configured to raise an interrupt in case of faulty access.
Call the new added tzc400_it_handler, in case this interrupt occurs.

Change-Id: Iaf4fa408a8eff99498042e11e2d6177bad39868c
Signed-off-by: Yann Gautier <yann.gautier@st.com>
2021-03-23 13:06:15 +01:00
Yann Gautier 5813e6edbc stm32mp1: use stm32mp_get_ddr_ns_size() function
Instead of using dt_get_ddr_size() and withdrawing the secure and shared
memory areas, use stm32mp_get_ddr_ns_size() function.

Change-Id: I5608fd7873589ea0e1262ba7d2ee3e52b53d9a7d
Signed-off-by: Yann Gautier <yann.gautier@st.com>
2020-03-26 18:34:01 +01:00
Yann Gautier 1989a19c2d stm32mp1: add OP-TEE support
Support booting OP-TEE as BL32 boot stage and secure runtime
service.

OP-TEE executes in internal RAM and uses a secure DDR area to store
the pager pagestore. Memory mapping and TZC are configured accordingly
prior OP-TEE boot. OP-TEE image is expected in OP-TEE v2 format where
a header file describes the effective boot images. This change
post processes header file content to get OP-TEE load addresses
and set OP-TEE boot arguments.

Change-Id: I02ef8b915e4be3e95b27029357d799d70e01cd44
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
2019-04-23 13:34:12 +02:00
Yann Gautier eb4519ef65 stm32mp1: fix TZC400 configuration against non-secure DDR
This change disables secure accesses to non-secure DDR which are useless.
TF-A already maps non-secure memory with non-secure permissions thanks
to the MMU.

This change also corrects some inline comments.

Change-Id: Id4c20c9ee5c95a666dae6b7446ed80baf2d53fb0
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
2019-04-23 13:34:11 +02:00
Yann Gautier b053a22e8a stm32mp1: add minimal support for co-processor Cortex-M4
STM32MP1 chip embeds a dual Cortex-A7 and a Cortex-M4.
The support for Cortex-M4 clocks is added when configuring the clock tree.
Some minimal security features to allow communications between A7 and M4
are also added.

Change-Id: I60417e244a476f60a2758f4969700b2684056665
Signed-off-by: Yann Gautier <yann.gautier@st.com>
2019-02-20 17:34:21 +01:00
Yann Gautier 0d21680c35 stm32mp1: update clock driver
Remove useless private structure in function prototypes.
Add a reference counter on clocks.
Prepare for future secured/shared/non-secured clocks.

Change-Id: I3dbed81721da5ceff5e10b2c4155b1e340c036ee
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Nicolas LE BAYON <nicolas.le.bayon@st.com>
2019-02-14 11:20:23 +01:00
Yann Gautier e0a8ce5d0d stm32mp1: remove some dependencies on clocks and reset in drivers
Include all RCC, clocks and reset headers from stm32mp1_def.h
which if exported to the firmware through platform_def.h.
The same dependency removal is done in common code as well.
Some useless includes are also removed in stm32_sdmmc2 driver.

Change-Id: I731ea5775c3fdb7f7b0c388b93923ed5e84b8d3f
Signed-off-by: Yann Gautier <yann.gautier@st.com>
2019-02-14 11:20:23 +01:00
Yann Gautier 3f9c97842e stm32mp1: make functions and macros more common
Mainly remove suffix 1 from prefix stm32mp1 in several macros and functions
that can be used in drivers shared by different platforms.

Change-Id: I2295c44f5b1edac7e80a93c0e8dfd671b36e88e7
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
2019-02-14 11:20:23 +01:00
Yann Gautier c9d75b3cf9 stm32mp1: split code between common and private parts
Some parts of code could be shared with platform derivatives,
or new platforms.
A new folder plat/st/common is created to put common parts.

stm32mp_common.h is a common API aggregate.

Remove some casts where applicable.
Fix some types where applicable.
Remove also some platform includes that are already in stm32mp1_def.h.

Change-Id: I46d763c8d9e15732d1ee7383207fd58206d7f583
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
2019-02-14 11:20:23 +01:00
Yann Gautier 59a1cdf16a stm32mp1: update platform files
Move print_reset_reason function to bl2_plat_setup.c
Put __unused attribute for unused bl2_el3_early_platform_setup args.
Rename dt_dev_info to dt_uart_info.
Put MMU configuration earlier.
Remove unused macros.
Use U() or ULL() macros where needed.
Use device tree to configure GIC.
Use GIC helper function.

Change-Id: I34620c421cc6967a668bca318f7689fd74fa78a6
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
2019-01-18 15:45:08 +01:00
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
Yann Gautier 964dfee1a2 stm32mp1: Add BL32 SP_min secure monitor
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Mathieu Belou <mathieu.belou@st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
2018-07-24 17:18:32 +02:00
Yann Gautier 10a511ceaa stm32mp1: Add DDR support and its security with TZC400
The DDR driver is under dual license, BSD and GPLv2.
The configuration parameters are taken from device tree.

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Nicolas Le Bayon <nicolas.le.bayon@st.com>
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
2018-07-24 17:18:19 +02:00