diff options
| author | Marvin Zhang <mzhang@nvidia.com> | 2012-04-03 12:53:58 -0700 |
|---|---|---|
| committer | Rohan Somvanshi <rsomvanshi@nvidia.com> | 2012-05-25 02:58:44 -0700 |
| commit | 4e571e426a41d0a5297854bd8bf303a2b8be66f1 (patch) | |
| tree | 2b77eacc2c490839af09fc263b9853d2e23c914b /security/tf_driver/tf_comm_tz.c | |
| parent | 9d85ccb8c12126fdb48f00a8951860d4ed070653 (diff) | |
tf_driver: integrate latest TL release:
Tegra 2 version: TF_TEGRA2_AA01.09.34784
Tegra 3 version: TF_TEGRA3_AB01.08.34931
Add dynamic support for UART used by the Secure World trace driver.
The files are from the Tegra 3 version of SDK.
Bug 960201.
Change-Id: I14c3cfc35f81d3a37981e82760c2a2259164a904
Signed-off-by: Marvin Zhang <mzhang@nvidia.com>
Reviewed-on: http://git-master/r/94306
(cherry picked from commit 173b55aa4d30fc3771719093d675972fca600cd3)
Reviewed-on: http://git-master/r/104037
Reviewed-by: Chris Johnson <cwj@nvidia.com>
Reviewed-by: Karan Jhavar <kjhavar@nvidia.com>
Tested-by: Karan Jhavar <kjhavar@nvidia.com>
Reviewed-by: Yu-Huan Hsu <yhsu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Diffstat (limited to 'security/tf_driver/tf_comm_tz.c')
| -rw-r--r-- | security/tf_driver/tf_comm_tz.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/security/tf_driver/tf_comm_tz.c b/security/tf_driver/tf_comm_tz.c index 4c89de84accf..4628f24f3cf2 100644 --- a/security/tf_driver/tf_comm_tz.c +++ b/security/tf_driver/tf_comm_tz.c @@ -194,6 +194,20 @@ static inline void tf_smc_nyield(void) tf_smc_generic_call(&generic_smc); } +#ifdef CONFIG_SECURE_TRACES +static void tf_print_secure_traces(struct tf_comm *comm) +{ + spin_lock(&(comm->lock)); + if (comm->l1_buffer->traces_status != 0) { + if (comm->l1_buffer->traces_status > 1) + pr_info("TF : traces lost...\n"); + pr_info("TF : %s", comm->l1_buffer->traces_buffer); + comm->l1_buffer->traces_status = 0; + } + spin_unlock(&(comm->lock)); +} +#endif + /* Yields the Secure World */ int tf_schedule_secure_world(struct tf_comm *comm) { @@ -202,6 +216,10 @@ int tf_schedule_secure_world(struct tf_comm *comm) /* yield to the Secure World */ tf_smc_nyield(); +#ifdef CONFIG_SECURE_TRACES + tf_print_secure_traces(comm); +#endif + return 0; } |