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path: root/drivers/net/ethernet/natsemi/jazzsonic.c
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Diffstat (limited to 'drivers/net/ethernet/natsemi/jazzsonic.c')
-rw-r--r--drivers/net/ethernet/natsemi/jazzsonic.c92
1 files changed, 23 insertions, 69 deletions
diff --git a/drivers/net/ethernet/natsemi/jazzsonic.c b/drivers/net/ethernet/natsemi/jazzsonic.c
index c20766c2f65b..6d29d2e1fa7c 100644
--- a/drivers/net/ethernet/natsemi/jazzsonic.c
+++ b/drivers/net/ethernet/natsemi/jazzsonic.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* jazzsonic.c
*
@@ -24,7 +25,6 @@
#include <linux/fcntl.h>
#include <linux/gfp.h>
#include <linux/interrupt.h>
-#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/in.h>
#include <linux/string.h>
@@ -36,9 +36,9 @@
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
+#include <linux/pgtable.h>
#include <asm/bootinfo.h>
-#include <asm/pgtable.h>
#include <asm/io.h>
#include <asm/dma.h>
#include <asm/jazz.h>
@@ -60,14 +60,6 @@ do { \
*((volatile unsigned int *)dev->base_addr+(reg)) = (val); \
} while (0)
-
-/* use 0 for production, 1 for verification, >1 for debug */
-#ifdef SONIC_DEBUG
-static unsigned int sonic_debug = SONIC_DEBUG;
-#else
-static unsigned int sonic_debug = 1;
-#endif
-
/*
* We cannot use station (ethernet) address prefixes to detect the
* sonic controller since these are board manufacturer depended.
@@ -83,8 +75,7 @@ static int jazzsonic_open(struct net_device* dev)
{
int retval;
- retval = request_irq(dev->irq, sonic_interrupt, IRQF_DISABLED,
- "sonic", dev);
+ retval = request_irq(dev->irq, sonic_interrupt, 0, "sonic", dev);
if (retval) {
printk(KERN_ERR "%s: unable to get IRQ %d.\n",
dev->name, dev->irq);
@@ -112,19 +103,18 @@ static const struct net_device_ops sonic_netdev_ops = {
.ndo_get_stats = sonic_get_stats,
.ndo_set_rx_mode = sonic_multicast_list,
.ndo_tx_timeout = sonic_tx_timeout,
- .ndo_change_mtu = eth_change_mtu,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = eth_mac_addr,
};
static int sonic_probe1(struct net_device *dev)
{
- static unsigned version_printed;
unsigned int silicon_revision;
unsigned int val;
struct sonic_local *lp = netdev_priv(dev);
int err = -ENODEV;
int i;
+ unsigned char addr[ETH_ALEN];
if (!request_mem_region(dev->base_addr, SONIC_MEM_SIZE, jazz_sonic_string))
return -EBUSY;
@@ -135,26 +125,17 @@ static int sonic_probe1(struct net_device *dev)
* the expected location.
*/
silicon_revision = SONIC_READ(SONIC_SR);
- if (sonic_debug > 1)
- printk("SONIC Silicon Revision = 0x%04x\n",silicon_revision);
-
i = 0;
while (known_revisions[i] != 0xffff &&
known_revisions[i] != silicon_revision)
i++;
if (known_revisions[i] == 0xffff) {
- printk("SONIC ethernet controller not found (0x%4x)\n",
- silicon_revision);
+ pr_info("SONIC ethernet controller not found (0x%4x)\n",
+ silicon_revision);
goto out;
}
- if (sonic_debug && version_printed++ == 0)
- printk(version);
-
- printk(KERN_INFO "%s: Sonic ethernet found at 0x%08lx, ",
- dev_name(lp->device), dev->base_addr);
-
/*
* Put the sonic into software reset, then
* retrieve and print the ethernet address.
@@ -163,43 +144,17 @@ static int sonic_probe1(struct net_device *dev)
SONIC_WRITE(SONIC_CEP,0);
for (i=0; i<3; i++) {
val = SONIC_READ(SONIC_CAP0-i);
- dev->dev_addr[i*2] = val;
- dev->dev_addr[i*2+1] = val >> 8;
+ addr[i*2] = val;
+ addr[i*2+1] = val >> 8;
}
-
- err = -ENOMEM;
-
- /* Initialize the device structure. */
+ eth_hw_addr_set(dev, addr);
lp->dma_bitmode = SONIC_BITMODE32;
- /* Allocate the entire chunk of memory for the descriptors.
- Note that this cannot cross a 64K boundary. */
- lp->descriptors = dma_alloc_coherent(lp->device,
- SIZEOF_SONIC_DESC *
- SONIC_BUS_SCALE(lp->dma_bitmode),
- &lp->descriptors_laddr,
- GFP_KERNEL);
- if (lp->descriptors == NULL)
+ err = sonic_alloc_descriptors(dev);
+ if (err)
goto out;
- /* Now set up the pointers to point to the appropriate places */
- lp->cda = lp->descriptors;
- lp->tda = lp->cda + (SIZEOF_SONIC_CDA
- * SONIC_BUS_SCALE(lp->dma_bitmode));
- lp->rda = lp->tda + (SIZEOF_SONIC_TD * SONIC_NUM_TDS
- * SONIC_BUS_SCALE(lp->dma_bitmode));
- lp->rra = lp->rda + (SIZEOF_SONIC_RD * SONIC_NUM_RDS
- * SONIC_BUS_SCALE(lp->dma_bitmode));
-
- lp->cda_laddr = lp->descriptors_laddr;
- lp->tda_laddr = lp->cda_laddr + (SIZEOF_SONIC_CDA
- * SONIC_BUS_SCALE(lp->dma_bitmode));
- lp->rda_laddr = lp->tda_laddr + (SIZEOF_SONIC_TD * SONIC_NUM_TDS
- * SONIC_BUS_SCALE(lp->dma_bitmode));
- lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS
- * SONIC_BUS_SCALE(lp->dma_bitmode));
-
dev->netdev_ops = &sonic_netdev_ops;
dev->watchdog_timeo = TX_TIMEOUT;
@@ -240,22 +195,26 @@ static int jazz_sonic_probe(struct platform_device *pdev)
SET_NETDEV_DEV(dev, &pdev->dev);
platform_set_drvdata(pdev, dev);
- netdev_boot_setup_check(dev);
-
dev->base_addr = res->start;
dev->irq = platform_get_irq(pdev, 0);
err = sonic_probe1(dev);
if (err)
goto out;
+
+ pr_info("SONIC ethernet @%08lx, MAC %pM, IRQ %d\n",
+ dev->base_addr, dev->dev_addr, dev->irq);
+
+ sonic_msg_init(dev);
+
err = register_netdev(dev);
if (err)
- goto out1;
-
- printk("%s: MAC %pM IRQ %d\n", dev->name, dev->dev_addr, dev->irq);
+ goto undo_probe1;
return 0;
-out1:
+undo_probe1:
+ dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
+ lp->descriptors, lp->descriptors_laddr);
release_mem_region(dev->base_addr, SONIC_MEM_SIZE);
out:
free_netdev(dev);
@@ -264,13 +223,11 @@ out:
}
MODULE_DESCRIPTION("Jazz SONIC ethernet driver");
-module_param(sonic_debug, int, 0);
-MODULE_PARM_DESC(sonic_debug, "jazzsonic debug level (1-4)");
MODULE_ALIAS("platform:jazzsonic");
#include "sonic.c"
-static int jazz_sonic_device_remove(struct platform_device *pdev)
+static void jazz_sonic_device_remove(struct platform_device *pdev)
{
struct net_device *dev = platform_get_drvdata(pdev);
struct sonic_local* lp = netdev_priv(dev);
@@ -280,16 +237,13 @@ static int jazz_sonic_device_remove(struct platform_device *pdev)
lp->descriptors, lp->descriptors_laddr);
release_mem_region(dev->base_addr, SONIC_MEM_SIZE);
free_netdev(dev);
-
- return 0;
}
static struct platform_driver jazz_sonic_driver = {
.probe = jazz_sonic_probe,
- .remove = jazz_sonic_device_remove,
+ .remove = jazz_sonic_device_remove,
.driver = {
.name = jazz_sonic_string,
- .owner = THIS_MODULE,
},
};
generated by cgit (git 2.34.1) at 2025-12-26 03:49:39 +0000