4  * SPDX-License-Identifier: Apache-2.0
11 #include <zephyr/drivers/pcie/pcie.h>
12 #include <zephyr/drivers/pcie/controller.h>
15 #include <zephyr/drivers/pcie/msi.h>
18 /* arch agnostic PCIe API implementation */
26 		LOG_ERR("Failed to get PCIe root complex");  in pcie_conf_read()
39 		LOG_ERR("Failed to get PCIe root complex");  in pcie_conf_write()
136 				"assigned [%s 0x%lx-0x%lx -> 0x%lx-0x%lx]",  in pcie_generic_ctrl_enumerate_bars()
140 				bar_bus_addr, bar_bus_addr + bar_size - 1,  in pcie_generic_ctrl_enumerate_bars()
141 				bar_phys_addr, bar_phys_addr + bar_size - 1);  in pcie_generic_ctrl_enumerate_bars()
164 	/* Handle only PCI-to-PCI bridge for now */  in pcie_generic_ctrl_enumerate_type1()
229 				bus_number - 1,  in pcie_generic_ctrl_post_enumerate_type1()
240 					((bar_base_addr - 1) & 0x0000f000) >> 16,  in pcie_generic_ctrl_post_enumerate_type1()
245 					((bar_base_addr - 1) & 0xffff0000) >> 16));  in pcie_generic_ctrl_post_enumerate_type1()
255 					(bar_base_addr - 1) >> 16));  in pcie_generic_ctrl_post_enumerate_type1()
300 	/* Do not enumerate sub-functions if not a multifunction device */  in pcie_generic_ctrl_enumerate_endpoint()
341 	/* Next BDF to scan on bus, either valid or PCIE_BDF_NONE when all EP scanned */
347 /* Non-recursive stack based PCIe bus & bridge enumeration */
363 		/* Top of stack contains the current PCIe bus to traverse */  in pcie_generic_ctrl_enumerate()
367 		if (state->bridge_bdf != PCIE_BDF_NONE) {  in pcie_generic_ctrl_enumerate()
368 			pcie_generic_ctrl_post_enumerate_type1(ctrl_dev, state->bridge_bdf,  in pcie_generic_ctrl_enumerate()
371 			state->bridge_bdf = PCIE_BDF_NONE;  in pcie_generic_ctrl_enumerate()
375 		if (state->next_bdf != PCIE_BDF_NONE) {  in pcie_generic_ctrl_enumerate()
376 			while (state->next_bdf != PCIE_BDF_NONE) {  in pcie_generic_ctrl_enumerate()
378 										 state->next_bdf,  in pcie_generic_ctrl_enumerate()
382 					state->bridge_bdf = state->next_bdf;  in pcie_generic_ctrl_enumerate()
383 					state->next_bdf = pcie_bdf_bus_next(state->next_bdf,  in pcie_generic_ctrl_enumerate()
387 					if (stack_top == (MAX_TRAVERSE_STACK - 1) ||  in pcie_generic_ctrl_enumerate()
404 				state->next_bdf = pcie_bdf_bus_next(state->next_bdf,  in pcie_generic_ctrl_enumerate()
409 			stack_top--;  in pcie_generic_ctrl_enumerate()
419 	return vector->arch.address;  in pcie_msi_map()
426 	return vector->arch.eventid;  in pcie_msi_mdr()
437 		LOG_ERR("Failed to get PCIe root complex");  in arch_pcie_msi_vectors_allocate()
449 	if (irq_connect_dynamic(vector->arch.irq, vector->arch.priority, routine,  in arch_pcie_msi_vector_connect()
450 				parameter, flags) != vector->arch.irq) {  in arch_pcie_msi_vector_connect()
454 	irq_enable(vector->arch.irq);  in arch_pcie_msi_vector_connect()