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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2005-10-31 17:14:57 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-10-31 17:14:57 +0000
commit37bb30e86bc2e48d9affb25f6ce9eb3d8e65b2ac (patch)
treed1419f0393effa0f4fd175cf0c65080e1f4626c6
parent1be7228da280252167150346dcec4e7c50a79eb4 (diff)
downloadop-kernel-dev-37bb30e86bc2e48d9affb25f6ce9eb3d8e65b2ac.zip
op-kernel-dev-37bb30e86bc2e48d9affb25f6ce9eb3d8e65b2ac.tar.gz
[ARM] Convert EBSA110 network driver to a platform driver
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/mach-ebsa110/core.c26
-rw-r--r--drivers/net/arm/am79c961a.c41
-rw-r--r--drivers/net/arm/am79c961a.h2
3 files changed, 57 insertions, 12 deletions
diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c
index 1526164..ed46149 100644
--- a/arch/arm/mach-ebsa110/core.c
+++ b/arch/arm/mach-ebsa110/core.c
@@ -251,9 +251,33 @@ static struct platform_device serial_device = {
},
};
+static struct resource am79c961_resources[] = {
+ {
+ .start = 0x220,
+ .end = 0x238,
+ .flags = IORESOURCE_IO,
+ }, {
+ .start = IRQ_EBSA110_ETHERNET,
+ .end = IRQ_EBSA110_ETHERNET,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device am79c961_device = {
+ .name = "am79c961",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(am79c961_resources),
+ .resource = am79c961_resources,
+};
+
+static struct platform_device *ebsa110_devices[] = {
+ &serial_device,
+ &am79c961_device,
+};
+
static int __init ebsa110_init(void)
{
- return platform_device_register(&serial_device);
+ return platform_add_devices(ebsa110_devices, ARRAY_SIZE(ebsa110_devices));
}
arch_initcall(ebsa110_init);
diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c
index 3d50e95..877891a 100644
--- a/drivers/net/arm/am79c961a.c
+++ b/drivers/net/arm/am79c961a.c
@@ -26,11 +26,11 @@
#include <linux/init.h>
#include <linux/crc32.h>
#include <linux/bitops.h>
+#include <linux/platform_device.h>
-#include <asm/system.h>
-#include <asm/irq.h>
#include <asm/hardware.h>
#include <asm/io.h>
+#include <asm/system.h>
#define TX_BUFFERS 15
#define RX_BUFFERS 25
@@ -280,10 +280,13 @@ static void am79c961_timer(unsigned long data)
lnkstat = read_ireg(dev->base_addr, ISALED0) & ISALED0_LNKST;
carrier = netif_carrier_ok(dev);
- if (lnkstat && !carrier)
+ if (lnkstat && !carrier) {
netif_carrier_on(dev);
- else if (!lnkstat && carrier)
+ printk("%s: link up\n", dev->name);
+ } else if (!lnkstat && carrier) {
netif_carrier_off(dev);
+ printk("%s: link down\n", dev->name);
+ }
mod_timer(&priv->timer, jiffies + msecs_to_jiffies(500));
}
@@ -665,17 +668,25 @@ static void __init am79c961_banner(void)
printk(KERN_INFO "%s", version);
}
-static int __init am79c961_init(void)
+static int __init am79c961_probe(struct device *_dev)
{
+ struct platform_device *pdev = to_platform_device(_dev);
+ struct resource *res;
struct net_device *dev;
struct dev_priv *priv;
int i, ret;
+ res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (!res)
+ return -ENODEV;
+
dev = alloc_etherdev(sizeof(struct dev_priv));
ret = -ENOMEM;
if (!dev)
goto out;
+ SET_NETDEV_DEV(dev, &pdev->dev);
+
priv = netdev_priv(dev);
/*
@@ -683,8 +694,8 @@ static int __init am79c961_init(void)
* The PNP initialisation should have been
* done by the ether bootp loader.
*/
- dev->base_addr = 0x220;
- dev->irq = IRQ_EBSA110_ETHERNET;
+ dev->base_addr = res->start;
+ dev->irq = platform_get_irq(pdev, 0);
ret = -ENODEV;
if (!request_region(dev->base_addr, 0x18, dev->name))
@@ -705,11 +716,11 @@ static int __init am79c961_init(void)
inb(dev->base_addr + 4) != 0x2b)
goto release;
- am79c961_banner();
-
for (i = 0; i < 6; i++)
dev->dev_addr[i] = inb(dev->base_addr + i * 2) & 0xff;
+ am79c961_banner();
+
spin_lock_init(&priv->chip_lock);
init_timer(&priv->timer);
priv->timer.data = (unsigned long)dev;
@@ -732,6 +743,7 @@ static int __init am79c961_init(void)
if (ret == 0) {
printk(KERN_INFO "%s: ether address ", dev->name);
+ /* Retrive and print the ethernet address. */
for (i = 0; i < 6; i++)
printk (i == 5 ? "%02x\n" : "%02x:", dev->dev_addr[i]);
@@ -746,4 +758,15 @@ out:
return ret;
}
+static struct device_driver am79c961_driver = {
+ .name = "am79c961",
+ .bus = &platform_bus_type,
+ .probe = am79c961_probe,
+};
+
+static int __init am79c961_init(void)
+{
+ return driver_register(&am79c961_driver);
+}
+
__initcall(am79c961_init);
diff --git a/drivers/net/arm/am79c961a.h b/drivers/net/arm/am79c961a.h
index 1e9b050..6a49ac7 100644
--- a/drivers/net/arm/am79c961a.h
+++ b/drivers/net/arm/am79c961a.h
@@ -143,6 +143,4 @@ struct dev_priv {
struct timer_list timer;
};
-extern int am79c961_probe (struct net_device *dev);
-
#endif
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