imx: imx8qm: add system off support

Add system power off support for i.MX8QM,
when Linux kernel issues "poweroff" command,
TF-A will send command to inform system
controller to power off whole board according
to board design, tested on i.MX8QM MEK board.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>

diff --git a/plat/imx/imx8qm/imx8qm_psci.c b/plat/imx/imx8qm/imx8qm_psci.c
index b9b794becb6e84a17e5ce911d707252ed9b5c90b..53b5ccd04c08eb563f4fd1c887c1f5282f3bb78d 100644 (file)
--- a/plat/imx/imx8qm/imx8qm_psci.c
+++ b/plat/imx/imx8qm/imx8qm_psci.c
@@ -94,6 +94,7 @@ static const plat_psci_ops_t imx_plat_psci_ops = {
        .pwr_domain_on = imx_pwr_domain_on,
        .pwr_domain_on_finish = imx_pwr_domain_on_finish,
        .validate_ns_entrypoint = imx_validate_ns_entrypoint,
+       .system_off = imx_system_off,
 };
 
 int plat_setup_psci_ops(uintptr_t sec_entrypoint,

diff --git a/plat/imx/imx8qm/platform.mk b/plat/imx/imx8qm/platform.mk
index c295e14bfd3c3ab56a4c6508844a3e7d2b6a18d6..022ad9902a85646bb30a715660bc033d01146f23 100644 (file)
--- a/plat/imx/imx8qm/platform.mk
+++ b/plat/imx/imx8qm/platform.mk
@@ -21,6 +21,7 @@ BL31_SOURCES          +=      plat/imx/common/lpuart_console.S        \
                                plat/imx/imx8qm/imx8qm_bl31_setup.c     \
                                plat/imx/imx8qm/imx8qm_psci.c           \
                                plat/imx/common/imx8_topology.c         \
+                               plat/imx/common/imx8_psci.c             \
                                lib/xlat_tables/aarch64/xlat_tables.c           \
                                lib/xlat_tables/xlat_tables_common.c            \
                                lib/cpus/aarch64/cortex_a53.S                   \