57 	struct spear_pcie_gadget_config config;  member
62 	ssize_t		(*show)(struct spear_pcie_gadget_config *config,
64 	ssize_t		(*store)(struct spear_pcie_gadget_config *config,
89 static void spear_dbi_read_reg(struct spear_pcie_gadget_config *config,  in spear_dbi_read_reg()  argument
92 	struct pcie_app_reg __iomem *app_reg = config->va_app_base;  in spear_dbi_read_reg()
98 	va_address = (ulong)config->va_dbi_base + (where & ~0x3);  in spear_dbi_read_reg()
111 static void spear_dbi_write_reg(struct spear_pcie_gadget_config *config,  in spear_dbi_write_reg()  argument
114 	struct pcie_app_reg __iomem *app_reg = config->va_app_base;  in spear_dbi_write_reg()
120 	va_address = (ulong)config->va_dbi_base + (where & ~0x3);  in spear_dbi_write_reg()
135 static int pci_find_own_next_cap_ttl(struct spear_pcie_gadget_config *config,  in pci_find_own_next_cap_ttl()  argument
141 		spear_dbi_read_reg(config, pos, 1, &pos);  in pci_find_own_next_cap_ttl()
145 		spear_dbi_read_reg(config, pos + PCI_CAP_LIST_ID, 1, &id);  in pci_find_own_next_cap_ttl()
155 static int pci_find_own_next_cap(struct spear_pcie_gadget_config *config,  in pci_find_own_next_cap()  argument
160 	return pci_find_own_next_cap_ttl(config, pos, cap, &ttl);  in pci_find_own_next_cap()
163 static int pci_find_own_cap_start(struct spear_pcie_gadget_config *config,  in pci_find_own_cap_start()  argument
168 	spear_dbi_read_reg(config, PCI_STATUS, 2, &status);  in pci_find_own_cap_start()
200 static int pci_find_own_capability(struct spear_pcie_gadget_config *config,  in pci_find_own_capability()  argument
206 	spear_dbi_read_reg(config, PCI_HEADER_TYPE, 1, &hdr_type);  in pci_find_own_capability()
208 	pos = pci_find_own_cap_start(config, hdr_type);  in pci_find_own_capability()
210 		pos = pci_find_own_next_cap(config, pos, cap);  in pci_find_own_capability()
266 	struct spear_pcie_gadget_config *config = to_target(item)  in pcie_gadget_int_type_store()  local
271 		spear_dbi_write_reg(config, PCI_INTERRUPT_LINE, 1, 1);  in pcie_gadget_int_type_store()
274 		vector = config->requested_msi;  in pcie_gadget_int_type_store()
280 		spear_dbi_write_reg(config, PCI_INTERRUPT_LINE, 1, 0);  in pcie_gadget_int_type_store()
281 		cap = pci_find_own_capability(config, PCI_CAP_ID_MSI);  in pcie_gadget_int_type_store()
282 		spear_dbi_read_reg(config, cap + PCI_MSI_FLAGS, 1, &flags);  in pcie_gadget_int_type_store()
285 		spear_dbi_write_reg(config, cap + PCI_MSI_FLAGS, 1, flags);  in pcie_gadget_int_type_store()
289 	strcpy(config->int_type, buf);  in pcie_gadget_int_type_store()
296 	struct spear_pcie_gadget_config *config = to_target(item)  in pcie_gadget_no_of_msi_show()  local
305 		cap = pci_find_own_capability(config, PCI_CAP_ID_MSI);  in pcie_gadget_no_of_msi_show()
306 		spear_dbi_read_reg(config, cap + PCI_MSI_FLAGS, 1, &flags);  in pcie_gadget_no_of_msi_show()
313 	config->configured_msi = vector;  in pcie_gadget_no_of_msi_show()
327 	if (config->requested_msi > 32)  in pcie_gadget_no_of_msi_store()
328 		config->requested_msi = 32;  in pcie_gadget_no_of_msi_store()
357 	struct spear_pcie_gadget_config *config = to_target(item)  in pcie_gadget_send_msi_store()  local
358 	struct pcie_app_reg __iomem *app_reg = config->va_app_base;  in pcie_gadget_send_msi_store()
367 	if (!config->configured_msi)  in pcie_gadget_send_msi_store()
370 	if (vector >= config->configured_msi)  in pcie_gadget_send_msi_store()
447 	struct spear_pcie_gadget_config *config = to_target(item)  in pcie_gadget_bar0_size_store()  local
478 	config->bar0_size = size;  in pcie_gadget_bar0_size_store()
479 	spear_dbi_write_reg(config, PCIE_BAR0_MASK_REG, 4, size - 1);  in pcie_gadget_bar0_size_store()
497 	struct spear_pcie_gadget_config *config = to_target(item)  in pcie_gadget_bar0_address_store()  local
498 	struct pcie_app_reg __iomem *app_reg = config->va_app_base;  in pcie_gadget_bar0_address_store()
506 	address &= ~(config->bar0_size - 1);  in pcie_gadget_bar0_address_store()
507 	if (config->va_bar0_address)  in pcie_gadget_bar0_address_store()
508 		iounmap(config->va_bar0_address);  in pcie_gadget_bar0_address_store()
509 	config->va_bar0_address = ioremap(address, config->bar0_size);  in pcie_gadget_bar0_address_store()
510 	if (!config->va_bar0_address)  in pcie_gadget_bar0_address_store()
544 	struct spear_pcie_gadget_config *config = to_target(item)  in pcie_gadget_bar0_data_show()  local
547 	if (!config->va_bar0_address)  in pcie_gadget_bar0_data_show()
550 	data = readl((ulong)config->va_bar0_address + config->bar0_rw_offset);  in pcie_gadget_bar0_data_show()
558 	struct spear_pcie_gadget_config *config = to_target(item)  in pcie_gadget_bar0_data_store()  local
566 	if (!config->va_bar0_address)  in pcie_gadget_bar0_data_store()
569 	writel(data, (ulong)config->va_bar0_address + config->bar0_rw_offset);  in pcie_gadget_bar0_data_store()
606 static void spear13xx_pcie_device_init(struct spear_pcie_gadget_config *config)  in spear13xx_pcie_device_init()  argument
608 	struct pcie_app_reg __iomem *app_reg = config->va_app_base;  in spear13xx_pcie_device_init()
612 	writel(config->base, &app_reg->in0_mem_addr_start);  in spear13xx_pcie_device_init()
638 	config->bar0_size = INBOUND_ADDR_MASK + 1;  in spear13xx_pcie_device_init()
639 	spear_dbi_write_reg(config, PCIE_BAR0_MASK_REG, 4, INBOUND_ADDR_MASK);  in spear13xx_pcie_device_init()
640 	spear_dbi_write_reg(config, PCI_BASE_ADDRESS_0, 4, 0xC);  in spear13xx_pcie_device_init()
641 	config->va_bar0_address = ioremap(SPEAR13XX_SYSRAM1_BASE,  in spear13xx_pcie_device_init()
642 			config->bar0_size);  in spear13xx_pcie_device_init()
659 	spear_dbi_write_reg(config, PCI_INTERRUPT_LINE, 1, 1);  in spear13xx_pcie_device_init()
669 	struct spear_pcie_gadget_config *config;  in spear_pcie_gadget_probe()  local
682 	config = &target->config;  in spear_pcie_gadget_probe()
686 	config->va_app_base = devm_ioremap_resource(&pdev->dev, res0);  in spear_pcie_gadget_probe()
687 	if (IS_ERR(config->va_app_base)) {  in spear_pcie_gadget_probe()
689 		return PTR_ERR(config->va_app_base);  in spear_pcie_gadget_probe()
694 	config->base = (void __iomem *)res1->start;  in spear_pcie_gadget_probe()
696 	config->va_dbi_base = devm_ioremap_resource(&pdev->dev, res1);  in spear_pcie_gadget_probe()
697 	if (IS_ERR(config->va_dbi_base)) {  in spear_pcie_gadget_probe()
699 		return PTR_ERR(config->va_dbi_base);  in spear_pcie_gadget_probe()
763 	spear13xx_pcie_device_init(config);  in spear_pcie_gadget_probe()