diff options
| author | Peng Fan <[email protected]> | 2019-08-26 08:11:49 +0000 |
|---|---|---|
| committer | Stefano Babic <[email protected]> | 2019-10-08 16:35:59 +0200 |
| commit | 8f99438b095aaf9b6472a21e2f087483439826da (patch) | |
| tree | 32b231d04de29504aab67142cca902ec95f9e411 | |
| parent | b5fd5fd5a4d770d6ea39a69355c95c4acabb7cac (diff) | |
imx8qm: power up SMMU
There is SMMU in i.MX8QM. To use SMMU in Linux, need power up it.
Signed-off-by: Peng Fan <[email protected]>
| -rw-r--r-- | arch/arm/mach-imx/imx8/cpu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c index 667f829acd5..1a5d8113732 100644 --- a/arch/arm/mach-imx/imx8/cpu.c +++ b/arch/arm/mach-imx/imx8/cpu.c @@ -67,6 +67,13 @@ int arch_cpu_init_dm(void) return ret; } + if (is_imx8qm()) { + ret = sc_pm_set_resource_power_mode(-1, SC_R_SMMU, + SC_PM_PW_MODE_ON); + if (ret) + return ret; + } + return 0; } |