diff options
| author | Anson Huang <Anson.Huang@nxp.com> | 2018-07-12 11:04:15 +0800 |
|---|---|---|
| committer | Anson Huang <Anson.Huang@nxp.com> | 2018-07-12 11:05:21 +0800 |
| commit | 351e3731cacf9c36f94a80e0bee6af021bed7faf (patch) | |
| tree | 4bceb8feea92d02e2d6a133012b6c3c795f1c959 | |
| parent | 8972694e931df4622cb5844c96ecdd0fe5941235 (diff) | |
imx: imx8qx: add system reset support
Add system reset support for i.MX8QX,
when Linux kernel issues "reboot" command,
TF-A will send command to inform system
controller to reset whole board according
to board design, tested on i.MX8QX MEK board.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
| -rw-r--r-- | plat/imx/common/imx8_psci.c | 7 | ||||
| -rw-r--r-- | plat/imx/common/include/plat_imx8.h | 1 | ||||
| -rw-r--r-- | plat/imx/imx8qx/imx8qx_psci.c | 1 |
3 files changed, 9 insertions, 0 deletions
diff --git a/plat/imx/common/imx8_psci.c b/plat/imx/common/imx8_psci.c index 0b0dcb57..37eda3e6 100644 --- a/plat/imx/common/imx8_psci.c +++ b/plat/imx/common/imx8_psci.c @@ -19,4 +19,11 @@ void __dead2 imx_system_off(void) panic(); } +void __dead2 imx_system_reset(void) +{ + sc_pm_reset(ipc_handle, SC_PM_RESET_TYPE_BOARD); + wfi(); + ERROR("system reset failed.\n"); + panic(); +} diff --git a/plat/imx/common/include/plat_imx8.h b/plat/imx/common/include/plat_imx8.h index 640d60e7..3b5f4ec6 100644 --- a/plat/imx/common/include/plat_imx8.h +++ b/plat/imx/common/include/plat_imx8.h @@ -18,4 +18,5 @@ void plat_gic_cpuif_disable(void); void plat_gic_pcpu_init(void); void __dead2 imx_system_off(void); +void __dead2 imx_system_reset(void); #endif /*__PLAT_IMX8_H__ */ diff --git a/plat/imx/imx8qx/imx8qx_psci.c b/plat/imx/imx8qx/imx8qx_psci.c index 1e8f7fa4..80f747b1 100644 --- a/plat/imx/imx8qx/imx8qx_psci.c +++ b/plat/imx/imx8qx/imx8qx_psci.c @@ -65,6 +65,7 @@ static const plat_psci_ops_t imx_plat_psci_ops = { .pwr_domain_on_finish = imx_pwr_domain_on_finish, .validate_ns_entrypoint = imx_validate_ns_entrypoint, .system_off = imx_system_off, + .system_reset = imx_system_reset, }; int plat_setup_psci_ops(uintptr_t sec_entrypoint, |