mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-01 20:33:08 +02:00
97e6f60806
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32605 3c298f89-4303-0410-b956-a3cf2f4a3e73
95 lines
2.3 KiB
Diff
95 lines
2.3 KiB
Diff
From f2d2d928c3900b67a5f95e53b86de5b61a3ab12c Mon Sep 17 00:00:00 2001
|
|
From: Gabor Juhos <juhosg@openwrt.org>
|
|
Date: Mon, 11 Jun 2012 13:19:44 +0200
|
|
Subject: [PATCH 04/34] MIPS: pci-ar724x: convert to a platform driver
|
|
|
|
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
|
|
---
|
|
arch/mips/pci/pci-ar724x.c | 57 ++++++++++++++++++++++++++++++++++++++++++-
|
|
1 files changed, 55 insertions(+), 2 deletions(-)
|
|
|
|
--- a/arch/mips/pci/pci-ar724x.c
|
|
+++ b/arch/mips/pci/pci-ar724x.c
|
|
@@ -11,6 +11,8 @@
|
|
|
|
#include <linux/irq.h>
|
|
#include <linux/pci.h>
|
|
+#include <linux/module.h>
|
|
+#include <linux/platform_device.h>
|
|
#include <asm/mach-ath79/ath79.h>
|
|
#include <asm/mach-ath79/ar71xx_regs.h>
|
|
#include <asm/mach-ath79/pci.h>
|
|
@@ -262,7 +264,7 @@ static struct irq_chip ar724x_pci_irq_ch
|
|
.irq_mask_ack = ar724x_pci_irq_mask,
|
|
};
|
|
|
|
-static void __init ar724x_pci_irq_init(int irq)
|
|
+static void __devinit ar724x_pci_irq_init(int irq)
|
|
{
|
|
void __iomem *base;
|
|
int i;
|
|
@@ -282,7 +284,7 @@ static void __init ar724x_pci_irq_init(i
|
|
irq_set_chained_handler(irq, ar724x_pci_irq_handler);
|
|
}
|
|
|
|
-int __init ar724x_pcibios_init(int irq)
|
|
+int __devinit ar724x_pcibios_init(int irq)
|
|
{
|
|
int ret;
|
|
|
|
@@ -312,3 +314,54 @@ err_unmap_devcfg:
|
|
err:
|
|
return ret;
|
|
}
|
|
+
|
|
+static int __devinit ar724x_pci_probe(struct platform_device *pdev)
|
|
+{
|
|
+ struct resource *res;
|
|
+ int irq;
|
|
+
|
|
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ctrl_base");
|
|
+ if (!res)
|
|
+ return -EINVAL;
|
|
+
|
|
+ ar724x_pci_ctrl_base = devm_request_and_ioremap(&pdev->dev, res);
|
|
+ if (ar724x_pci_ctrl_base == NULL)
|
|
+ return -EBUSY;
|
|
+
|
|
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base");
|
|
+ if (!res)
|
|
+ return -EINVAL;
|
|
+
|
|
+ ar724x_pci_devcfg_base = devm_request_and_ioremap(&pdev->dev, res);
|
|
+ if (!ar724x_pci_devcfg_base)
|
|
+ return -EBUSY;
|
|
+
|
|
+ irq = platform_get_irq(pdev, 0);
|
|
+ if (irq < 0)
|
|
+ return -EINVAL;
|
|
+
|
|
+ ar724x_pci_link_up = ar724x_pci_check_link();
|
|
+ if (!ar724x_pci_link_up)
|
|
+ dev_warn(&pdev->dev, "PCIe link is down\n");
|
|
+
|
|
+ ar724x_pci_irq_init(irq);
|
|
+
|
|
+ register_pci_controller(&ar724x_pci_controller);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static struct platform_driver ar724x_pci_driver = {
|
|
+ .probe = ar724x_pci_probe,
|
|
+ .driver = {
|
|
+ .name = "ar724x-pci",
|
|
+ .owner = THIS_MODULE,
|
|
+ },
|
|
+};
|
|
+
|
|
+static int __init ar724x_pci_init(void)
|
|
+{
|
|
+ return platform_driver_register(&ar724x_pci_driver);
|
|
+}
|
|
+
|
|
+postcore_initcall(ar724x_pci_init);
|