2 * Copyright (c) 2015 The FreeBSD Foundation
5 * This software was developed by Semihalf under
6 * the sponsorship of the FreeBSD Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 /* Common PCIe functions for Cavium Thunder SOC */
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
39 #include <machine/bus.h>
40 #include <machine/cpu.h>
41 #include <machine/intr.h>
43 #include "thunder_pcie_common.h"
47 thunder_common_map_msi(device_t pcib, device_t child, int irq,
48 uint64_t *addr, uint32_t *data)
52 error = arm_map_msix(child, irq, addr, data);
57 thunder_common_alloc_msix(device_t pcib, device_t child, int *irq)
61 error = arm_alloc_msix(child, irq);
66 thunder_common_release_msix(device_t pcib, device_t child, int irq)
70 error = arm_release_msix(child, irq);
75 thunder_common_alloc_msi(device_t pcib, device_t child, int count, int maxcount,
80 error = arm_alloc_msi(child, count, irqs);
85 thunder_common_release_msi(device_t pcib, device_t child, int count, int *irqs)
89 error = arm_release_msi(child, count, irqs);
94 range_addr_is_pci(struct pcie_range *ranges, uint64_t addr, uint64_t size)
99 for (tuple = 0; tuple < MAX_RANGES_TUPLES; tuple++) {
101 if (addr >= r->pci_base &&
102 addr < (r->pci_base + r->size) &&
104 /* Address is within PCI range */
109 /* Address is outside PCI range */
114 range_addr_is_phys(struct pcie_range *ranges, uint64_t addr, uint64_t size)
116 struct pcie_range *r;
119 for (tuple = 0; tuple < MAX_RANGES_TUPLES; tuple++) {
121 if (addr >= r->phys_base &&
122 addr < (r->phys_base + r->size) &&
124 /* Address is within Physical range */
129 /* Address is outside Physical range */
134 range_addr_pci_to_phys(struct pcie_range *ranges, uint64_t pci_addr)
136 struct pcie_range *r;
140 /* Find physical address corresponding to given bus address */
141 for (tuple = 0; tuple < MAX_RANGES_TUPLES; tuple++) {
143 if (pci_addr >= r->pci_base &&
144 pci_addr < (r->pci_base + r->size)) {
145 /* Given pci addr is in this range.
146 * Translate bus addr to phys addr.
148 offset = pci_addr - r->pci_base;
149 return (r->phys_base + offset);