Lines Matching +full:rpc +full:- +full:if
1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2011-2013 Gabor Juhos <juhosg@openwrt.org>
21 #include <asm/mach-ralink/rt3883.h>
22 #include <asm/mach-ralink/ralink_regs.h>
76 hose = (struct pci_controller *) bus->sysdata; in pci_bus_to_rt3883_controller()
80 static inline u32 rt3883_pci_r32(struct rt3883_pci_controller *rpc, in rt3883_pci_r32() argument
83 return ioread32(rpc->base + reg); in rt3883_pci_r32()
86 static inline void rt3883_pci_w32(struct rt3883_pci_controller *rpc, in rt3883_pci_w32() argument
89 iowrite32(val, rpc->base + reg); in rt3883_pci_w32()
99 static u32 rt3883_pci_read_cfg32(struct rt3883_pci_controller *rpc, in rt3883_pci_read_cfg32() argument
109 rt3883_pci_w32(rpc, address, RT3883_PCI_REG_CFGADDR); in rt3883_pci_read_cfg32()
110 ret = rt3883_pci_r32(rpc, RT3883_PCI_REG_CFGDATA); in rt3883_pci_read_cfg32()
115 static void rt3883_pci_write_cfg32(struct rt3883_pci_controller *rpc, in rt3883_pci_write_cfg32() argument
124 rt3883_pci_w32(rpc, address, RT3883_PCI_REG_CFGADDR); in rt3883_pci_write_cfg32()
125 rt3883_pci_w32(rpc, val, RT3883_PCI_REG_CFGDATA); in rt3883_pci_write_cfg32()
130 struct rt3883_pci_controller *rpc; in rt3883_pci_irq_handler() local
133 rpc = irq_desc_get_handler_data(desc); in rt3883_pci_irq_handler()
135 pending = rt3883_pci_r32(rpc, RT3883_PCI_REG_PCIINT) & in rt3883_pci_irq_handler()
136 rt3883_pci_r32(rpc, RT3883_PCI_REG_PCIENA); in rt3883_pci_irq_handler()
138 if (!pending) { in rt3883_pci_irq_handler()
146 irq = irq_find_mapping(rpc->irq_domain, bit); in rt3883_pci_irq_handler()
155 struct rt3883_pci_controller *rpc; in rt3883_pci_irq_unmask() local
158 rpc = irq_data_get_irq_chip_data(d); in rt3883_pci_irq_unmask()
160 t = rt3883_pci_r32(rpc, RT3883_PCI_REG_PCIENA); in rt3883_pci_irq_unmask()
161 rt3883_pci_w32(rpc, t | BIT(d->hwirq), RT3883_PCI_REG_PCIENA); in rt3883_pci_irq_unmask()
163 rt3883_pci_r32(rpc, RT3883_PCI_REG_PCIENA); in rt3883_pci_irq_unmask()
168 struct rt3883_pci_controller *rpc; in rt3883_pci_irq_mask() local
171 rpc = irq_data_get_irq_chip_data(d); in rt3883_pci_irq_mask()
173 t = rt3883_pci_r32(rpc, RT3883_PCI_REG_PCIENA); in rt3883_pci_irq_mask()
174 rt3883_pci_w32(rpc, t & ~BIT(d->hwirq), RT3883_PCI_REG_PCIENA); in rt3883_pci_irq_mask()
176 rt3883_pci_r32(rpc, RT3883_PCI_REG_PCIENA); in rt3883_pci_irq_mask()
190 irq_set_chip_data(irq, d->host_data); in rt3883_pci_irq_map()
201 struct rt3883_pci_controller *rpc) in rt3883_pci_irq_init() argument
205 irq = irq_of_parse_and_map(rpc->intc_of_node, 0); in rt3883_pci_irq_init()
206 if (irq == 0) { in rt3883_pci_irq_init()
207 dev_err(dev, "%pOF has no IRQ", rpc->intc_of_node); in rt3883_pci_irq_init()
208 return -EINVAL; in rt3883_pci_irq_init()
212 rt3883_pci_w32(rpc, 0, RT3883_PCI_REG_PCIENA); in rt3883_pci_irq_init()
214 rpc->irq_domain = in rt3883_pci_irq_init()
215 irq_domain_add_linear(rpc->intc_of_node, RT3883_PCI_IRQ_COUNT, in rt3883_pci_irq_init()
217 rpc); in rt3883_pci_irq_init()
218 if (!rpc->irq_domain) { in rt3883_pci_irq_init()
220 return -ENODEV; in rt3883_pci_irq_init()
223 irq_set_chained_handler_and_data(irq, rt3883_pci_irq_handler, rpc); in rt3883_pci_irq_init()
231 struct rt3883_pci_controller *rpc; in rt3883_pci_config_read() local
236 rpc = pci_bus_to_rt3883_controller(bus); in rt3883_pci_config_read()
238 if (!rpc->pcie_ready && bus->number == 1) in rt3883_pci_config_read()
241 address = rt3883_pci_get_cfgaddr(bus->number, PCI_SLOT(devfn), in rt3883_pci_config_read()
244 rt3883_pci_w32(rpc, address, RT3883_PCI_REG_CFGADDR); in rt3883_pci_config_read()
245 data = rt3883_pci_r32(rpc, RT3883_PCI_REG_CFGDATA); in rt3883_pci_config_read()
265 struct rt3883_pci_controller *rpc; in rt3883_pci_config_write() local
270 rpc = pci_bus_to_rt3883_controller(bus); in rt3883_pci_config_write()
272 if (!rpc->pcie_ready && bus->number == 1) in rt3883_pci_config_write()
275 address = rt3883_pci_get_cfgaddr(bus->number, PCI_SLOT(devfn), in rt3883_pci_config_write()
278 rt3883_pci_w32(rpc, address, RT3883_PCI_REG_CFGADDR); in rt3883_pci_config_write()
279 data = rt3883_pci_r32(rpc, RT3883_PCI_REG_CFGDATA); in rt3883_pci_config_write()
295 rt3883_pci_w32(rpc, data, RT3883_PCI_REG_CFGDATA); in rt3883_pci_config_write()
305 static void rt3883_pci_preinit(struct rt3883_pci_controller *rpc, unsigned mode) in rt3883_pci_preinit() argument
316 if (mode & RT3883_PCI_MODE_PCIE) { in rt3883_pci_preinit()
351 if (mode & RT3883_PCI_MODE_PCI) { in rt3883_pci_preinit()
356 if (mode & RT3883_PCI_MODE_PCIE) { in rt3883_pci_preinit()
369 * and de-assert the reset line in rt3883_pci_preinit()
372 rt3883_pci_w32(rpc, t, RT3883_PCI_REG_PCICFG); in rt3883_pci_preinit()
375 rt3883_pci_r32(rpc, RT3883_PCI_REG_PCICFG); in rt3883_pci_preinit()
378 if (mode & RT3883_PCI_MODE_PCIE) { in rt3883_pci_preinit()
381 t = rt3883_pci_r32(rpc, RT3883_PCI_REG_STATUS(1)); in rt3883_pci_preinit()
383 rpc->pcie_ready = t & BIT(0); in rt3883_pci_preinit()
385 if (!rpc->pcie_ready) { in rt3883_pci_preinit()
405 rt3883_pci_w32(rpc, 0x79, RT3883_PCI_REG_ARBCTL); in rt3883_pci_preinit()
410 struct rt3883_pci_controller *rpc; in rt3883_pci_probe() local
411 struct device *dev = &pdev->dev; in rt3883_pci_probe()
412 struct device_node *np = dev->of_node; in rt3883_pci_probe()
419 rpc = devm_kzalloc(dev, sizeof(*rpc), GFP_KERNEL); in rt3883_pci_probe()
420 if (!rpc) in rt3883_pci_probe()
421 return -ENOMEM; in rt3883_pci_probe()
424 rpc->base = devm_ioremap_resource(dev, res); in rt3883_pci_probe()
425 if (IS_ERR(rpc->base)) in rt3883_pci_probe()
426 return PTR_ERR(rpc->base); in rt3883_pci_probe()
430 if (of_get_property(child, "interrupt-controller", NULL)) { in rt3883_pci_probe()
431 rpc->intc_of_node = child; in rt3883_pci_probe()
436 if (!rpc->intc_of_node) { in rt3883_pci_probe()
438 rpc->intc_of_node, in rt3883_pci_probe()
440 return -EINVAL; in rt3883_pci_probe()
445 if (of_node_is_type(child, "pci")) { in rt3883_pci_probe()
446 rpc->pci_controller.of_node = child; in rt3883_pci_probe()
451 if (!rpc->pci_controller.of_node) { in rt3883_pci_probe()
453 rpc->intc_of_node, in rt3883_pci_probe()
455 err = -EINVAL; in rt3883_pci_probe()
460 for_each_available_child_of_node(rpc->pci_controller.of_node, child) { in rt3883_pci_probe()
463 if (!of_node_is_type(child, "pci")) in rt3883_pci_probe()
467 if (devfn < 0) in rt3883_pci_probe()
482 if (mode == RT3883_PCI_MODE_NONE) { in rt3883_pci_probe()
484 err = -EINVAL; in rt3883_pci_probe()
492 rt3883_pci_preinit(rpc, mode); in rt3883_pci_probe()
494 rpc->pci_controller.pci_ops = &rt3883_pci_ops; in rt3883_pci_probe()
495 rpc->pci_controller.io_resource = &rpc->io_res; in rt3883_pci_probe()
496 rpc->pci_controller.mem_resource = &rpc->mem_res; in rt3883_pci_probe()
499 pci_load_of_ranges(&rpc->pci_controller, in rt3883_pci_probe()
500 rpc->pci_controller.of_node); in rt3883_pci_probe()
502 rt3883_pci_w32(rpc, rpc->mem_res.start, RT3883_PCI_REG_MEMBASE); in rt3883_pci_probe()
503 rt3883_pci_w32(rpc, rpc->io_res.start, RT3883_PCI_REG_IOBASE); in rt3883_pci_probe()
505 ioport_resource.start = rpc->io_res.start; in rt3883_pci_probe()
506 ioport_resource.end = rpc->io_res.end; in rt3883_pci_probe()
509 rt3883_pci_w32(rpc, 0x03ff0000, RT3883_PCI_REG_BAR0SETUP(0)); in rt3883_pci_probe()
510 rt3883_pci_w32(rpc, RT3883_MEMORY_BASE, RT3883_PCI_REG_IMBASEBAR0(0)); in rt3883_pci_probe()
511 rt3883_pci_w32(rpc, 0x08021814, RT3883_PCI_REG_ID(0)); in rt3883_pci_probe()
512 rt3883_pci_w32(rpc, 0x00800001, RT3883_PCI_REG_CLASS(0)); in rt3883_pci_probe()
513 rt3883_pci_w32(rpc, 0x28801814, RT3883_PCI_REG_SUBID(0)); in rt3883_pci_probe()
516 rt3883_pci_w32(rpc, 0x03ff0000, RT3883_PCI_REG_BAR0SETUP(1)); in rt3883_pci_probe()
517 rt3883_pci_w32(rpc, RT3883_MEMORY_BASE, RT3883_PCI_REG_IMBASEBAR0(1)); in rt3883_pci_probe()
518 rt3883_pci_w32(rpc, 0x08021814, RT3883_PCI_REG_ID(1)); in rt3883_pci_probe()
519 rt3883_pci_w32(rpc, 0x06040001, RT3883_PCI_REG_CLASS(1)); in rt3883_pci_probe()
520 rt3883_pci_w32(rpc, 0x28801814, RT3883_PCI_REG_SUBID(1)); in rt3883_pci_probe()
522 err = rt3883_pci_irq_init(dev, rpc); in rt3883_pci_probe()
523 if (err) in rt3883_pci_probe()
527 val = rt3883_pci_read_cfg32(rpc, 0, 0x01, 0, PCI_COMMAND); in rt3883_pci_probe()
529 rt3883_pci_write_cfg32(rpc, 0, 0x01, 0, PCI_COMMAND, val); in rt3883_pci_probe()
532 val = rt3883_pci_read_cfg32(rpc, 0, 0x00, 0, PCI_COMMAND); in rt3883_pci_probe()
534 rt3883_pci_write_cfg32(rpc, 0, 0x00, 0, PCI_COMMAND, val); in rt3883_pci_probe()
536 if (mode == RT3883_PCI_MODE_PCIE) { in rt3883_pci_probe()
537 rt3883_pci_w32(rpc, 0x03ff0001, RT3883_PCI_REG_BAR0SETUP(0)); in rt3883_pci_probe()
538 rt3883_pci_w32(rpc, 0x03ff0001, RT3883_PCI_REG_BAR0SETUP(1)); in rt3883_pci_probe()
540 rt3883_pci_write_cfg32(rpc, 0, RT3883_P2P_BR_DEVNUM, 0, in rt3883_pci_probe()
544 rt3883_pci_read_cfg32(rpc, 0, RT3883_P2P_BR_DEVNUM, 0, in rt3883_pci_probe()
547 rt3883_pci_write_cfg32(rpc, 0, RT3883_P2P_BR_DEVNUM, 0, in rt3883_pci_probe()
551 register_pci_controller(&rpc->pci_controller); in rt3883_pci_probe()
556 of_node_put(rpc->pci_controller.of_node); in rt3883_pci_probe()
558 of_node_put(rpc->intc_of_node); in rt3883_pci_probe()
573 { .compatible = "ralink,rt3883-pci" },
580 .name = "rt3883-pci",