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yaml
---
r: 360077
b: refs/heads/master
c: fb167e8
h: refs/heads/master
i:
  360075: a9ca193
v: v3
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Gabor Juhos authored and John Crispin committed Feb 17, 2013
1 parent cf7f0c8 commit 4744a70
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Showing 2 changed files with 57 additions and 5 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 58d2e9bcd682d76bcb9575dc56c85f1d82a81bfa
refs/heads/master: fb167e891d5cc6386840dd092af2d461b38eb802
60 changes: 56 additions & 4 deletions trunk/arch/mips/pci/pci-ar71xx.c
Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@
#include <linux/pci.h>
#include <linux/pci_regs.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/platform_device.h>

#include <asm/mach-ath79/ar71xx_regs.h>
#include <asm/mach-ath79/ath79.h>
Expand Down Expand Up @@ -309,7 +311,7 @@ static struct irq_chip ar71xx_pci_irq_chip = {
.irq_mask_ack = ar71xx_pci_irq_mask,
};

static __init void ar71xx_pci_irq_init(void)
static void ar71xx_pci_irq_init(int irq)
{
void __iomem *base = ath79_reset_base;
int i;
Expand All @@ -324,10 +326,10 @@ static __init void ar71xx_pci_irq_init(void)
irq_set_chip_and_handler(i, &ar71xx_pci_irq_chip,
handle_level_irq);

irq_set_chained_handler(ATH79_CPU_IRQ_IP2, ar71xx_pci_irq_handler);
irq_set_chained_handler(irq, ar71xx_pci_irq_handler);
}

static __init void ar71xx_pci_reset(void)
static void ar71xx_pci_reset(void)
{
void __iomem *ddr_base = ath79_ddr_base;

Expand Down Expand Up @@ -367,9 +369,59 @@ __init int ar71xx_pcibios_init(void)
/* clear bus errors */
ar71xx_pci_check_error(1);

ar71xx_pci_irq_init();
ar71xx_pci_irq_init(ATH79_CPU_IRQ_IP2);

register_pci_controller(&ar71xx_pci_controller);

return 0;
}

static int ar71xx_pci_probe(struct platform_device *pdev)
{
struct resource *res;
int irq;
u32 t;

res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base");
if (!res)
return -EINVAL;

ar71xx_pcicfg_base = devm_request_and_ioremap(&pdev->dev, res);
if (!ar71xx_pcicfg_base)
return -ENOMEM;

irq = platform_get_irq(pdev, 0);
if (irq < 0)
return -EINVAL;

ar71xx_pci_reset();

/* setup COMMAND register */
t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE
| PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK;
ar71xx_pci_local_write(PCI_COMMAND, 4, t);

/* clear bus errors */
ar71xx_pci_check_error(1);

ar71xx_pci_irq_init(irq);

register_pci_controller(&ar71xx_pci_controller);

return 0;
}

static struct platform_driver ar71xx_pci_driver = {
.probe = ar71xx_pci_probe,
.driver = {
.name = "ar71xx-pci",
.owner = THIS_MODULE,
},
};

static int __init ar71xx_pci_init(void)
{
return platform_driver_register(&ar71xx_pci_driver);
}

postcore_initcall(ar71xx_pci_init);

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