As per the hardware spec, the SMMU must be halted during programming of
the implementation defined registers. Add the missing halt.
Change-Id: Id28b546e5b5b646c263d7431a32f3c95ed3f2042
Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
arm_smmu_disable_clocks(smmu);
}
+static int arm_smmu_halt(struct arm_smmu_device *smmu);
+static void arm_smmu_resume(struct arm_smmu_device *smmu);
+
static void arm_smmu_impl_def_programming(struct arm_smmu_device *smmu)
{
int i;
struct arm_smmu_impl_def_reg *regs = smmu->impl_def_attach_registers;
+ arm_smmu_halt(smmu);
for (i = 0; i < smmu->num_impl_def_attach_registers; ++i)
writel_relaxed(regs[i].value,
ARM_SMMU_GR0(smmu) + regs[i].offset);
+ arm_smmu_resume(smmu);
}
static void arm_smmu_device_reset(struct arm_smmu_device *smmu);