1 // SPDX-License-Identifier: (BSD-2-Clause AND BSD-3-Clause)
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
41  * Neither the name of ARM nor the names of its contributors may be used
42  * to endorse or promote products derived from this software without specific
45  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
54  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
222 	 * We expect to see a tzc400. Check component ID. The TZC-400 TRM shows  in tzc_init()
270 	assert(((cfg->filters >> tzc.num_filters) == 0) &&  in tzc_configure_region()
278 	assert(((cfg->top <= (UINT64_MAX >> (64 - tzc.addr_width))) &&  in tzc_configure_region()
279 		(cfg->base < cfg->top)));  in tzc_configure_region()
282 	assert(((cfg->base | (cfg->top + 1)) & (4096 - 1)) == 0);  in tzc_configure_region()
284 	assert(cfg->sec_attr <= TZC_REGION_S_RDWR);  in tzc_configure_region()
291 	tzc_write_region_base_low(tzc.base, region, addr_low(cfg->base));  in tzc_configure_region()
292 	tzc_write_region_base_high(tzc.base, region, addr_high(cfg->base));  in tzc_configure_region()
294 	tzc_write_region_top_low(tzc.base, region, addr_low(cfg->top));  in tzc_configure_region()
295 	tzc_write_region_top_high(tzc.base, region, addr_high(cfg->top));  in tzc_configure_region()
299 				    (cfg->sec_attr << REG_ATTR_SEC_SHIFT) |  in tzc_configure_region()
300 				    cfg->filters);  in tzc_configure_region()
303 	 * Specify which non-secure devices have permission to access this  in tzc_configure_region()
306 	tzc_write_region_id_access(tzc.base, region, cfg->ns_device_access);  in tzc_configure_region()
316 	cfg->base = reg_pair_to_64(tzc_read_region_base_high(tzc.base, region),  in tzc_get_region_config()
318 	cfg->top = reg_pair_to_64(tzc_read_region_top_high(tzc.base, region),  in tzc_get_region_config()
321 	cfg->ns_device_access = tzc_read_region_id_access(tzc.base, region);  in tzc_get_region_config()
324 	cfg->sec_attr = val32 >> REG_ATTR_SEC_SHIFT;  in tzc_get_region_config()
325 	cfg->filters = val32 & REG_ATTR_F_EN_MASK;  in tzc_get_region_config()
335 	 * - Currently no handler is provided to trap an error via interrupt  in tzc_set_action()
337 	 * - The interrupt action has not been tested.  in tzc_set_action()
359 			 * http://infocenter.arm.com/help/index.jsp?\  in tzc_enable_filters()
360 			 * topic=/com.arm.doc.ddi0504c/CJHHECBF.html  in tzc_enable_filters()
427 	     nonsecure_not_secure(filter) ? "non-" : "",  in dump_fail_filter()
449 	io_setbits32(tzc.base + INT_CLEAR, GENMASK_32(tzc.num_filters - 1, 0));  in tzc_int_clear()