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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>
This commit is contained in:
Ryan Grachek 2019-01-11 08:33:00 -06:00
parent c3faf745c4
commit 9603426339
1 changed files with 2 additions and 1 deletions
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3
plat/hisilicon/hikey960/hikey960_bl31_setup.c
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@ -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));
}
}