diff options
Diffstat (limited to 'services/spd/tspd/tspd_common.c')
-rw-r--r-- | services/spd/tspd/tspd_common.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/services/spd/tspd/tspd_common.c b/services/spd/tspd/tspd_common.c index 2d0b08b..d975ec4 100644 --- a/services/spd/tspd/tspd_common.c +++ b/services/spd/tspd/tspd_common.c @@ -65,10 +65,14 @@ int32_t tspd_init_secure_context(uint64_t entrypoint, */ memset(tsp_ctx, 0, sizeof(*tsp_ctx)); - /* Set the right security state and register width for the SP */ + /* + * Set the right security state, register width and enable access to + * the secure physical timer for the SP. + */ scr = read_scr(); scr &= ~SCR_NS_BIT; scr &= ~SCR_RW_BIT; + scr |= SCR_ST_BIT; if (rw == TSP_AARCH64) scr |= SCR_RW_BIT; |