29 	unsigned int region;  in _emi_mpu_set_protection()  local
31 	region = (start >> 24) & 0xFF;  in _emi_mpu_set_protection()
36 	if  ((region >= EMI_MPU_REGION_NUM) || (dgroup > EMI_MPU_DGROUP_NUM)) {  in _emi_mpu_set_protection()
42 	if (region_lock_state[region] == LOCK) {  in _emi_mpu_set_protection()
48 		region_lock_state[region] = LOCK;  in _emi_mpu_set_protection()
64 	mmio_write_32(EMI_MPU_SA(region), start);  in _emi_mpu_set_protection()
65 	mmio_write_32(EMI_MPU_EA(region), end);  in _emi_mpu_set_protection()
66 	mmio_write_32(EMI_MPU_APC(region, dgroup), apc);  in _emi_mpu_set_protection()
69 	mmio_write_32(SUB_EMI_MPU_SA(region), start);  in _emi_mpu_set_protection()
70 	mmio_write_32(SUB_EMI_MPU_EA(region), end);  in _emi_mpu_set_protection()
71 	mmio_write_32(SUB_EMI_MPU_APC(region, dgroup), apc);  in _emi_mpu_set_protection()
76 int emi_mpu_clear_protection(unsigned int region)  in emi_mpu_clear_protection()  argument
80 	if (region >= EMI_MPU_REGION_NUM) {  in emi_mpu_clear_protection()
86 	if (region_lock_state[region] == LOCK) {  in emi_mpu_clear_protection()
91 	if (mmio_read_32(EMI_MPU_APC(region, 0)) & (LOCK << 31UL)) {  in emi_mpu_clear_protection()
97 	if (mmio_read_32(SUB_EMI_MPU_APC(region, 0)) & (LOCK << 31UL)) {  in emi_mpu_clear_protection()
104 		mmio_write_32(EMI_MPU_APC(region, dgroup), 0x0);  in emi_mpu_clear_protection()
106 	mmio_write_32(EMI_MPU_SA(region), 0x0);  in emi_mpu_clear_protection()
107 	mmio_write_32(EMI_MPU_EA(region), 0x0);  in emi_mpu_clear_protection()
111 		mmio_write_32(SUB_EMI_MPU_APC(region, dgroup), 0x0);  in emi_mpu_clear_protection()
113 	mmio_write_32(SUB_EMI_MPU_SA(region), 0);  in emi_mpu_clear_protection()
114 	mmio_write_32(SUB_EMI_MPU_EA(region), 0);  in emi_mpu_clear_protection()
122 	int region, i;  in dump_emi_mpu_regions()  local
125 	for (region = 0; region < 8; ++region) {  in dump_emi_mpu_regions()
126 		INFO("region %d:\n", region);  in dump_emi_mpu_regions()
128 		     mmio_read_32(EMI_MPU_SA(region)), mmio_read_32(EMI_MPU_EA(region)));  in dump_emi_mpu_regions()
131 			INFO("\tapc%d: 0x%x\n", i, mmio_read_32(EMI_MPU_APC(region, i)));  in dump_emi_mpu_regions()
141 	if (region_info->region >= EMI_MPU_REGION_NUM) {  in emi_mpu_set_protection()
147 		(region_info->region << 24);  in emi_mpu_set_protection()