Lines Matching +full:ext +full:- +full:26 +full:m
1 // SPDX-License-Identifier: GPL-2.0-or-later
10 * Read/write operation in the region 0x80000000-0xBFFFFFFF causes
23 * We know (and support) only one board that uses the PCI interface -
34 #include <linux/dma-direct.h>
54 #define AR2315_PCIMISC_GIG_MASK 0x0000000C /* bits 31-30 for pci req */
102 #define AR2315_PCI_INT_TXEOL 0x00000008 /* Desc In End-of-List */
107 #define AR2315_PCI_INT_TXOOD 0x00000200 /* Desc In Out-of-Desc */
133 #define AR2315_PCI_IRQ_ABORT 26
143 * We need some arbitrary non-zero value to be programmed to the BAR1 register
181 return dma_addr - ar2315_dev_offset(dev); in dma_to_phys()
186 struct pci_controller *hose = bus->sysdata; in ar2315_pci_bus_to_apc()
193 return __raw_readl(apc->mmr_mem + reg); in ar2315_pci_reg_read()
199 __raw_writel(val, apc->mmr_mem + reg); in ar2315_pci_reg_write()
218 u32 mask = 0xffffffff >> 8 * (4 - size); in ar2315_pci_cfg_access()
234 value = __raw_readl(apc->cfg_mem + addr); in ar2315_pci_cfg_access()
243 __raw_writel(value, apc->cfg_mem + addr); in ar2315_pci_cfg_access()
316 return -ENODEV; in ar2315_pci_host_setup()
343 ret = generic_handle_domain_irq(apc->domain, __ffs(pending)); in ar2315_pci_irq_handler()
353 ar2315_pci_reg_mask(apc, AR2315_PCI_IMR, BIT(d->hwirq), 0); in ar2315_pci_irq_mask()
359 u32 m = BIT(d->hwirq); in ar2315_pci_irq_mask_ack() local
361 ar2315_pci_reg_mask(apc, AR2315_PCI_IMR, m, 0); in ar2315_pci_irq_mask_ack()
362 ar2315_pci_reg_write(apc, AR2315_PCI_ISR, m); in ar2315_pci_irq_mask_ack()
369 ar2315_pci_reg_mask(apc, AR2315_PCI_IMR, 0, BIT(d->hwirq)); in ar2315_pci_irq_unmask()
373 .name = "AR2315-PCI",
383 irq_set_chip_data(irq, d->host_data); in ar2315_pci_irq_map()
397 apc->irq_ext = irq_create_mapping(apc->domain, AR2315_PCI_IRQ_EXT); in ar2315_pci_irq_init()
399 irq_set_chained_handler_and_data(apc->irq, ar2315_pci_irq_handler, in ar2315_pci_irq_init()
412 struct device *dev = &pdev->dev; in ar2315_pci_probe()
418 return -ENOMEM; in ar2315_pci_probe()
422 return -EINVAL; in ar2315_pci_probe()
423 apc->irq = irq; in ar2315_pci_probe()
425 apc->mmr_mem = devm_platform_ioremap_resource_byname(pdev, in ar2315_pci_probe()
426 "ar2315-pci-ctrl"); in ar2315_pci_probe()
427 if (IS_ERR(apc->mmr_mem)) in ar2315_pci_probe()
428 return PTR_ERR(apc->mmr_mem); in ar2315_pci_probe()
431 "ar2315-pci-ext"); in ar2315_pci_probe()
433 return -EINVAL; in ar2315_pci_probe()
435 apc->mem_res.name = "AR2315 PCI mem space"; in ar2315_pci_probe()
436 apc->mem_res.parent = res; in ar2315_pci_probe()
437 apc->mem_res.start = res->start; in ar2315_pci_probe()
438 apc->mem_res.end = res->end; in ar2315_pci_probe()
439 apc->mem_res.flags = IORESOURCE_MEM; in ar2315_pci_probe()
442 apc->cfg_mem = devm_ioremap(dev, res->start, in ar2315_pci_probe()
444 if (!apc->cfg_mem) { in ar2315_pci_probe()
446 return -ENOMEM; in ar2315_pci_probe()
449 /* Reset the PCI bus by setting bits 5-4 in PCI_MCFG */ in ar2315_pci_probe()
472 apc->domain = irq_domain_add_linear(NULL, AR2315_PCI_IRQ_COUNT, in ar2315_pci_probe()
474 if (!apc->domain) { in ar2315_pci_probe()
476 return -ENOMEM; in ar2315_pci_probe()
482 apc->io_res.name = "AR2315 IO space"; in ar2315_pci_probe()
483 apc->io_res.start = 0; in ar2315_pci_probe()
484 apc->io_res.end = 0; in ar2315_pci_probe()
485 apc->io_res.flags = IORESOURCE_IO; in ar2315_pci_probe()
487 apc->pci_ctrl.pci_ops = &ar2315_pci_ops; in ar2315_pci_probe()
488 apc->pci_ctrl.mem_resource = &apc->mem_res; in ar2315_pci_probe()
489 apc->pci_ctrl.io_resource = &apc->io_res; in ar2315_pci_probe()
491 register_pci_controller(&apc->pci_ctrl); in ar2315_pci_probe()
501 .name = "ar2315-pci",
513 struct ar2315_pci_ctrl *apc = ar2315_pci_bus_to_apc(dev->bus); in pcibios_map_irq()
515 return slot ? 0 : apc->irq_ext; in pcibios_map_irq()