diff options
| author | Ryan Grachek <ryan@edited.us> | 2019-01-11 08:33:00 -0600 |
|---|---|---|
| committer | Ryan Grachek <ryan@edited.us> | 2019-01-31 09:03:11 -0600 |
| commit | 96034263399e4e6ebfa8abfa80e577fa7c12c474 (patch) | |
| tree | 03d6864f071c685b6b91cc044e41780f14ca515a /plat/hisilicon | |
| parent | c3faf745c42ec97fba7745589961039bd0951c40 (diff) | |
hikey960: EDMAC: leave channel 0 as secure
Channel 0 is used to communicate with LPM3, a coprocessor
for power management. Leave it as secure.
Signed-off-by: Ryan Grachek <ryan@edited.us>
Diffstat (limited to 'plat/hisilicon')
| -rw-r--r-- | plat/hisilicon/hikey960/hikey960_bl31_setup.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/plat/hisilicon/hikey960/hikey960_bl31_setup.c b/plat/hisilicon/hikey960/hikey960_bl31_setup.c index 67b06f49..c3fcc380 100644 --- a/plat/hisilicon/hikey960/hikey960_bl31_setup.c +++ b/plat/hisilicon/hikey960/hikey960_bl31_setup.c @@ -154,7 +154,8 @@ static void hikey960_edma_init(void) non_secure = EDMAC_SEC_CTRL_INTR_SEC | EDMAC_SEC_CTRL_GLOBAL_SEC; mmio_write_32(EDMAC_SEC_CTRL, non_secure); - for (i = 0; i < EDMAC_CHANNEL_NUMS; i++) { + /* Channel 0 is reserved for LPM3, keep secure */ + for (i = 1; i < EDMAC_CHANNEL_NUMS; i++) { mmio_write_32(EDMAC_AXI_CONF(i), (1 << 6) | (1 << 18)); } } |