diff options
Diffstat (limited to 'target/linux/atheros')
| -rw-r--r-- | target/linux/atheros/patches-3.18/105-ar2315_pci.patch | 71 |
1 files changed, 56 insertions, 15 deletions
diff --git a/target/linux/atheros/patches-3.18/105-ar2315_pci.patch b/target/linux/atheros/patches-3.18/105-ar2315_pci.patch index 904e60fe54..267053cc8a 100644 --- a/target/linux/atheros/patches-3.18/105-ar2315_pci.patch +++ b/target/linux/atheros/patches-3.18/105-ar2315_pci.patch @@ -10,7 +10,7 @@ obj-$(CONFIG_MIPS_PCI_VIRTIO) += pci-virtio-guest.o --- /dev/null +++ b/arch/mips/pci/pci-ar2315.c -@@ -0,0 +1,482 @@ +@@ -0,0 +1,494 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License @@ -60,9 +60,6 @@ +#include <linux/irq.h> +#include <linux/io.h> +#include <asm/paccess.h> -+#include <ath25_platform.h> -+#include <ar231x.h> -+#include <ar2315_regs.h> + +/* + * PCI Bus Interface Registers @@ -175,6 +172,7 @@ +struct ar2315_pci_ctrl { + void __iomem *cfg_mem; + void __iomem *mmr_mem; ++ unsigned irq; + struct pci_controller pci_ctrl; + struct resource mem_res; + struct resource io_res; @@ -393,8 +391,8 @@ + irq_set_chip_data(irq, apc); + } + -+ irq_set_chained_handler(AR2315_IRQ_LCBUS_PCI, ar2315_pci_irq_handler); -+ irq_set_handler_data(AR2315_IRQ_LCBUS_PCI, apc); ++ irq_set_chained_handler(apc->irq, ar2315_pci_irq_handler); ++ irq_set_handler_data(apc->irq, apc); + + /* Clear any pending Abort or external Interrupts + * and enable interrupt processing */ @@ -407,23 +405,37 @@ +{ + struct ar2315_pci_ctrl *apc; + struct device *dev = &pdev->dev; -+ int err; ++ struct resource *res; ++ int irq, err; + + apc = devm_kzalloc(dev, sizeof(*apc), GFP_KERNEL); + if (!apc) + return -ENOMEM; + -+ apc->mmr_mem = devm_ioremap_nocache(dev, AR2315_PCI, AR2315_PCI_SIZE); -+ if (!apc->mmr_mem) -+ return -ENOMEM; ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) ++ return -EINVAL; ++ apc->irq = irq; ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, ++ "ar2315-pci-ctrl"); ++ apc->mmr_mem = devm_ioremap_resource(dev, res); ++ if (IS_ERR(apc->mmr_mem)) ++ return PTR_ERR(apc->mmr_mem); ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, ++ "ar2315-pci-ext"); ++ if (!res) ++ return -EINVAL; + + apc->mem_res.name = "AR2315 PCI mem space"; -+ apc->mem_res.start = AR2315_PCIEXT; -+ apc->mem_res.end = AR2315_PCIEXT + AR2315_PCIEXT_SZ - 1; ++ apc->mem_res.parent = res; ++ apc->mem_res.start = res->start; ++ apc->mem_res.end = res->end; + apc->mem_res.flags = IORESOURCE_MEM; + + /* Remap PCI config space */ -+ apc->cfg_mem = devm_ioremap_nocache(dev, AR2315_PCIEXT, ++ apc->cfg_mem = devm_ioremap_nocache(dev, res->start, + AR2315_PCI_CFG_SIZE); + if (!apc->cfg_mem) { + dev_err(dev, "failed to remap PCI config space\n"); @@ -519,7 +531,34 @@ else if (pending & CAUSEF_IP2) do_IRQ(AR2315_IRQ_MISC_INTRS); else if (pending & CAUSEF_IP7) -@@ -427,4 +431,31 @@ void __init ar2315_arch_init(void) +@@ -423,8 +427,60 @@ void __init ar2315_plat_mem_setup(void) + _machine_restart = ar2315_restart; + } + ++#ifdef CONFIG_PCI_AR2315 ++static struct resource ar2315_pci_res[] = { ++ { ++ .name = "ar2315-pci-ctrl", ++ .flags = IORESOURCE_MEM, ++ .start = AR2315_PCI, ++ .end = AR2315_PCI + AR2315_PCI_SIZE - 1, ++ }, ++ { ++ .name = "ar2315-pci-ext", ++ .flags = IORESOURCE_MEM, ++ .start = AR2315_PCIEXT, ++ .end = AR2315_PCIEXT + AR2315_PCIEXT_SZ - 1, ++ }, ++ { ++ .name = "ar2315-pci", ++ .flags = IORESOURCE_IRQ, ++ .start = AR2315_IRQ_LCBUS_PCI, ++ .end = AR2315_IRQ_LCBUS_PCI, ++ }, ++}; ++#endif ++ + void __init ar2315_arch_init(void) { ath25_serial_setup(AR2315_UART0, AR2315_MISC_IRQ_UART0, ar2315_apb_frequency()); @@ -547,7 +586,9 @@ + (AR2315_IF_PCI_CLK_OUTPUT_CLK << + AR2315_IF_PCI_CLK_SHIFT)); + -+ platform_device_register_simple("ar2315-pci", -1, NULL, 0); ++ platform_device_register_simple("ar2315-pci", -1, ++ ar2315_pci_res, ++ ARRAY_SIZE(ar2315_pci_res)); + } +#endif } |