9 #include "arm-smmu.h"
12 	struct arm_smmu_device smmu;  member
17 static struct qcom_smmu *to_qcom_smmu(struct arm_smmu_device *smmu)  in to_qcom_smmu()  argument
19 	return container_of(smmu, struct qcom_smmu, smmu);  in to_qcom_smmu()
33 static int qcom_smmu_cfg_probe(struct arm_smmu_device *smmu)  in qcom_smmu_cfg_probe()  argument
35 	unsigned int last_s2cr = ARM_SMMU_GR0_S2CR(smmu->num_mapping_groups - 1);  in qcom_smmu_cfg_probe()
36 	struct qcom_smmu *qsmmu = to_qcom_smmu(smmu);  in qcom_smmu_cfg_probe()
50 	arm_smmu_gr0_write(smmu, last_s2cr, reg);  in qcom_smmu_cfg_probe()
51 	reg = arm_smmu_gr0_read(smmu, last_s2cr);  in qcom_smmu_cfg_probe()
54 		qsmmu->bypass_cbndx = smmu->num_context_banks - 1;  in qcom_smmu_cfg_probe()
56 		set_bit(qsmmu->bypass_cbndx, smmu->context_map);  in qcom_smmu_cfg_probe()
58 		arm_smmu_cb_write(smmu, qsmmu->bypass_cbndx, ARM_SMMU_CB_SCTLR, 0);  in qcom_smmu_cfg_probe()
61 		arm_smmu_gr1_write(smmu, ARM_SMMU_GR1_CBAR(qsmmu->bypass_cbndx), reg);  in qcom_smmu_cfg_probe()
64 	for (i = 0; i < smmu->num_mapping_groups; i++) {  in qcom_smmu_cfg_probe()
65 		smr = arm_smmu_gr0_read(smmu, ARM_SMMU_GR0_SMR(i));  in qcom_smmu_cfg_probe()
70 			smmu->smrs[i].id = FIELD_GET(ARM_SMMU_SMR_ID, smr);  in qcom_smmu_cfg_probe()
71 			smmu->smrs[i].mask = FIELD_GET(ARM_SMMU_SMR_MASK, smr);  in qcom_smmu_cfg_probe()
72 			smmu->smrs[i].valid = true;  in qcom_smmu_cfg_probe()
74 			smmu->s2crs[i].type = S2CR_TYPE_BYPASS;  in qcom_smmu_cfg_probe()
75 			smmu->s2crs[i].privcfg = S2CR_PRIVCFG_DEFAULT;  in qcom_smmu_cfg_probe()
76 			smmu->s2crs[i].cbndx = 0xff;  in qcom_smmu_cfg_probe()
83 static void qcom_smmu_write_s2cr(struct arm_smmu_device *smmu, int idx)  in qcom_smmu_write_s2cr()  argument
85 	struct arm_smmu_s2cr *s2cr = smmu->s2crs + idx;  in qcom_smmu_write_s2cr()
86 	struct qcom_smmu *qsmmu = to_qcom_smmu(smmu);  in qcom_smmu_write_s2cr()
115 	arm_smmu_gr0_write(smmu, ARM_SMMU_GR0_S2CR(idx), reg);  in qcom_smmu_write_s2cr()
126 static int qcom_sdm845_smmu500_reset(struct arm_smmu_device *smmu)  in qcom_sdm845_smmu500_reset()  argument
138 		dev_warn(smmu->dev, "Failed to turn off SAFE logic\n");  in qcom_sdm845_smmu500_reset()
143 static int qcom_smmu500_reset(struct arm_smmu_device *smmu)  in qcom_smmu500_reset()  argument
145 	const struct device_node *np = smmu->dev->of_node;  in qcom_smmu500_reset()
147 	arm_mmu500_reset(smmu);  in qcom_smmu500_reset()
149 	if (of_device_is_compatible(np, "qcom,sdm845-smmu-500"))  in qcom_smmu500_reset()
150 		return qcom_sdm845_smmu500_reset(smmu);  in qcom_smmu500_reset()
162 struct arm_smmu_device *qcom_smmu_impl_init(struct arm_smmu_device *smmu)  in qcom_smmu_impl_init()  argument
170 	qsmmu = devm_kzalloc(smmu->dev, sizeof(*qsmmu), GFP_KERNEL);  in qcom_smmu_impl_init()
174 	qsmmu->smmu = *smmu;  in qcom_smmu_impl_init()
176 	qsmmu->smmu.impl = &qcom_smmu_impl;  in qcom_smmu_impl_init()
177 	devm_kfree(smmu->dev, smmu);  in qcom_smmu_impl_init()
179 	return &qsmmu->smmu;  in qcom_smmu_impl_init()