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imx8qm: power up SMMU

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There is SMMU in i.MX8QM. To use SMMU in Linux, need power up it.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Peng Fan 2019-08-26 08:11:49 +00:00 committed by Stefano Babic
parent b5fd5fd5a4
commit 8f99438b09
1 changed files with 7 additions and 0 deletions
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7
arch/arm/mach-imx/imx8/cpu.c
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@ -67,6 +67,13 @@ int arch_cpu_init_dm(void)
return ret; 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; return 0;
} }