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-rw-r--r--drivers/net/sunqe.c147
-rw-r--r--drivers/net/sunqe.h4
2 files changed, 71 insertions, 80 deletions
diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c
index 4521972fbf3d..81604cac8e3e 100644
--- a/drivers/net/sunqe.c
+++ b/drivers/net/sunqe.c
@@ -3,7 +3,7 @@
3 * controller out there can be most efficiently programmed 3 * controller out there can be most efficiently programmed
4 * if you make it look like a LANCE. 4 * if you make it look like a LANCE.
5 * 5 *
6 * Copyright (C) 1996, 1999, 2003, 2006 David S. Miller (davem@davemloft.net) 6 * Copyright (C) 1996, 1999, 2003, 2006, 2008 David S. Miller (davem@davemloft.net)
7 */ 7 */
8 8
9#include <linux/module.h> 9#include <linux/module.h>
@@ -25,13 +25,14 @@
25#include <linux/ethtool.h> 25#include <linux/ethtool.h>
26#include <linux/bitops.h> 26#include <linux/bitops.h>
27#include <linux/dma-mapping.h> 27#include <linux/dma-mapping.h>
28#include <linux/of.h>
29#include <linux/of_device.h>
28 30
29#include <asm/system.h> 31#include <asm/system.h>
30#include <asm/io.h> 32#include <asm/io.h>
31#include <asm/dma.h> 33#include <asm/dma.h>
32#include <asm/byteorder.h> 34#include <asm/byteorder.h>
33#include <asm/idprom.h> 35#include <asm/idprom.h>
34#include <asm/sbus.h>
35#include <asm/openprom.h> 36#include <asm/openprom.h>
36#include <asm/oplib.h> 37#include <asm/oplib.h>
37#include <asm/auxio.h> 38#include <asm/auxio.h>
@@ -41,8 +42,8 @@
41#include "sunqe.h" 42#include "sunqe.h"
42 43
43#define DRV_NAME "sunqe" 44#define DRV_NAME "sunqe"
44#define DRV_VERSION "4.0" 45#define DRV_VERSION "4.1"
45#define DRV_RELDATE "June 23, 2006" 46#define DRV_RELDATE "August 27, 2008"
46#define DRV_AUTHOR "David S. Miller (davem@davemloft.net)" 47#define DRV_AUTHOR "David S. Miller (davem@davemloft.net)"
47 48
48static char version[] = 49static char version[] =
@@ -691,12 +692,18 @@ static void qe_set_multicast(struct net_device *dev)
691/* Ethtool support... */ 692/* Ethtool support... */
692static void qe_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) 693static void qe_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
693{ 694{
695 const struct linux_prom_registers *regs;
694 struct sunqe *qep = dev->priv; 696 struct sunqe *qep = dev->priv;
697 struct of_device *op;
695 698
696 strcpy(info->driver, "sunqe"); 699 strcpy(info->driver, "sunqe");
697 strcpy(info->version, "3.0"); 700 strcpy(info->version, "3.0");
698 sprintf(info->bus_info, "SBUS:%d", 701
699 qep->qe_sdev->slot); 702 op = qep->op;
703 regs = of_get_property(op->node, "reg", NULL);
704 if (regs)
705 sprintf(info->bus_info, "SBUS:%d", regs->which_io);
706
700} 707}
701 708
702static u32 qe_get_link(struct net_device *dev) 709static u32 qe_get_link(struct net_device *dev)
@@ -718,7 +725,7 @@ static const struct ethtool_ops qe_ethtool_ops = {
718}; 725};
719 726
720/* This is only called once at boot time for each card probed. */ 727/* This is only called once at boot time for each card probed. */
721static inline void qec_init_once(struct sunqec *qecp, struct sbus_dev *qsdev) 728static void qec_init_once(struct sunqec *qecp, struct of_device *op)
722{ 729{
723 u8 bsizes = qecp->qec_bursts; 730 u8 bsizes = qecp->qec_bursts;
724 731
@@ -736,15 +743,15 @@ static inline void qec_init_once(struct sunqec *qecp, struct sbus_dev *qsdev)
736 sbus_writel(GLOB_PSIZE_2048, qecp->gregs + GLOB_PSIZE); 743 sbus_writel(GLOB_PSIZE_2048, qecp->gregs + GLOB_PSIZE);
737 744
738 /* Set the local memsize register, divided up to one piece per QE channel. */ 745 /* Set the local memsize register, divided up to one piece per QE channel. */
739 sbus_writel((qsdev->reg_addrs[1].reg_size >> 2), 746 sbus_writel((resource_size(&op->resource[1]) >> 2),
740 qecp->gregs + GLOB_MSIZE); 747 qecp->gregs + GLOB_MSIZE);
741 748
742 /* Divide up the local QEC memory amongst the 4 QE receiver and 749 /* Divide up the local QEC memory amongst the 4 QE receiver and
743 * transmitter FIFOs. Basically it is (total / 2 / num_channels). 750 * transmitter FIFOs. Basically it is (total / 2 / num_channels).
744 */ 751 */
745 sbus_writel((qsdev->reg_addrs[1].reg_size >> 2) >> 1, 752 sbus_writel((resource_size(&op->resource[1]) >> 2) >> 1,
746 qecp->gregs + GLOB_TSIZE); 753 qecp->gregs + GLOB_TSIZE);
747 sbus_writel((qsdev->reg_addrs[1].reg_size >> 2) >> 1, 754 sbus_writel((resource_size(&op->resource[1]) >> 2) >> 1,
748 qecp->gregs + GLOB_RSIZE); 755 qecp->gregs + GLOB_RSIZE);
749} 756}
750 757
@@ -768,24 +775,21 @@ static u8 __devinit qec_get_burst(struct device_node *dp)
768 return bsizes; 775 return bsizes;
769} 776}
770 777
771static struct sunqec * __devinit get_qec(struct sbus_dev *child_sdev) 778static struct sunqec * __devinit get_qec(struct of_device *child)
772{ 779{
773 struct sbus_dev *qec_sdev = child_sdev->parent; 780 struct of_device *op = to_of_device(child->dev.parent);
774 struct sunqec *qecp; 781 struct sunqec *qecp;
775 782
776 for (qecp = root_qec_dev; qecp; qecp = qecp->next_module) { 783 qecp = dev_get_drvdata(&op->dev);
777 if (qecp->qec_sdev == qec_sdev)
778 break;
779 }
780 if (!qecp) { 784 if (!qecp) {
781 qecp = kzalloc(sizeof(struct sunqec), GFP_KERNEL); 785 qecp = kzalloc(sizeof(struct sunqec), GFP_KERNEL);
782 if (qecp) { 786 if (qecp) {
783 u32 ctrl; 787 u32 ctrl;
784 788
785 qecp->qec_sdev = qec_sdev; 789 qecp->op = op;
786 qecp->gregs = sbus_ioremap(&qec_sdev->resource[0], 0, 790 qecp->gregs = of_ioremap(&op->resource[0], 0,
787 GLOB_REG_SIZE, 791 GLOB_REG_SIZE,
788 "QEC Global Registers"); 792 "QEC Global Registers");
789 if (!qecp->gregs) 793 if (!qecp->gregs)
790 goto fail; 794 goto fail;
791 795
@@ -800,16 +804,18 @@ static struct sunqec * __devinit get_qec(struct sbus_dev *child_sdev)
800 if (qec_global_reset(qecp->gregs)) 804 if (qec_global_reset(qecp->gregs))
801 goto fail; 805 goto fail;
802 806
803 qecp->qec_bursts = qec_get_burst(qec_sdev->ofdev.node); 807 qecp->qec_bursts = qec_get_burst(op->node);
804 808
805 qec_init_once(qecp, qec_sdev); 809 qec_init_once(qecp, op);
806 810
807 if (request_irq(qec_sdev->irqs[0], &qec_interrupt, 811 if (request_irq(op->irqs[0], &qec_interrupt,
808 IRQF_SHARED, "qec", (void *) qecp)) { 812 IRQF_SHARED, "qec", (void *) qecp)) {
809 printk(KERN_ERR "qec: Can't register irq.\n"); 813 printk(KERN_ERR "qec: Can't register irq.\n");
810 goto fail; 814 goto fail;
811 } 815 }
812 816
817 dev_set_drvdata(&op->dev, qecp);
818
813 qecp->next_module = root_qec_dev; 819 qecp->next_module = root_qec_dev;
814 root_qec_dev = qecp; 820 root_qec_dev = qecp;
815 } 821 }
@@ -819,17 +825,17 @@ static struct sunqec * __devinit get_qec(struct sbus_dev *child_sdev)
819 825
820fail: 826fail:
821 if (qecp->gregs) 827 if (qecp->gregs)
822 sbus_iounmap(qecp->gregs, GLOB_REG_SIZE); 828 of_iounmap(&op->resource[0], qecp->gregs, GLOB_REG_SIZE);
823 kfree(qecp); 829 kfree(qecp);
824 return NULL; 830 return NULL;
825} 831}
826 832
827static int __devinit qec_ether_init(struct sbus_dev *sdev) 833static int __devinit qec_ether_init(struct of_device *op)
828{ 834{
829 static unsigned version_printed; 835 static unsigned version_printed;
830 struct net_device *dev; 836 struct net_device *dev;
831 struct sunqe *qe;
832 struct sunqec *qecp; 837 struct sunqec *qecp;
838 struct sunqe *qe;
833 int i, res; 839 int i, res;
834 840
835 if (version_printed++ == 0) 841 if (version_printed++ == 0)
@@ -843,48 +849,41 @@ static int __devinit qec_ether_init(struct sbus_dev *sdev)
843 849
844 qe = netdev_priv(dev); 850 qe = netdev_priv(dev);
845 851
846 i = of_getintprop_default(sdev->ofdev.node, "channel#", -1); 852 res = -ENODEV;
847 if (i == -1) { 853
848 struct sbus_dev *td = sdev->parent->child; 854 i = of_getintprop_default(op->node, "channel#", -1);
849 i = 0; 855 if (i == -1)
850 while (td != sdev) { 856 goto fail;
851 td = td->next;
852 i++;
853 }
854 }
855 qe->channel = i; 857 qe->channel = i;
856 spin_lock_init(&qe->lock); 858 spin_lock_init(&qe->lock);
857 859
858 res = -ENODEV; 860 qecp = get_qec(op);
859 qecp = get_qec(sdev);
860 if (!qecp) 861 if (!qecp)
861 goto fail; 862 goto fail;
862 863
863 qecp->qes[qe->channel] = qe; 864 qecp->qes[qe->channel] = qe;
864 qe->dev = dev; 865 qe->dev = dev;
865 qe->parent = qecp; 866 qe->parent = qecp;
866 qe->qe_sdev = sdev; 867 qe->op = op;
867 868
868 res = -ENOMEM; 869 res = -ENOMEM;
869 qe->qcregs = sbus_ioremap(&qe->qe_sdev->resource[0], 0, 870 qe->qcregs = of_ioremap(&op->resource[0], 0,
870 CREG_REG_SIZE, "QEC Channel Registers"); 871 CREG_REG_SIZE, "QEC Channel Registers");
871 if (!qe->qcregs) { 872 if (!qe->qcregs) {
872 printk(KERN_ERR "qe: Cannot map channel registers.\n"); 873 printk(KERN_ERR "qe: Cannot map channel registers.\n");
873 goto fail; 874 goto fail;
874 } 875 }
875 876
876 qe->mregs = sbus_ioremap(&qe->qe_sdev->resource[1], 0, 877 qe->mregs = of_ioremap(&op->resource[1], 0,
877 MREGS_REG_SIZE, "QE MACE Registers"); 878 MREGS_REG_SIZE, "QE MACE Registers");
878 if (!qe->mregs) { 879 if (!qe->mregs) {
879 printk(KERN_ERR "qe: Cannot map MACE registers.\n"); 880 printk(KERN_ERR "qe: Cannot map MACE registers.\n");
880 goto fail; 881 goto fail;
881 } 882 }
882 883
883 qe->qe_block = dma_alloc_coherent(&qe->qe_sdev->ofdev.dev, 884 qe->qe_block = dma_alloc_coherent(&op->dev, PAGE_SIZE,
884 PAGE_SIZE,
885 &qe->qblock_dvma, GFP_ATOMIC); 885 &qe->qblock_dvma, GFP_ATOMIC);
886 qe->buffers = dma_alloc_coherent(&qe->qe_sdev->ofdev.dev, 886 qe->buffers = dma_alloc_coherent(&op->dev, sizeof(struct sunqe_buffers),
887 sizeof(struct sunqe_buffers),
888 &qe->buffers_dvma, GFP_ATOMIC); 887 &qe->buffers_dvma, GFP_ATOMIC);
889 if (qe->qe_block == NULL || qe->qblock_dvma == 0 || 888 if (qe->qe_block == NULL || qe->qblock_dvma == 0 ||
890 qe->buffers == NULL || qe->buffers_dvma == 0) 889 qe->buffers == NULL || qe->buffers_dvma == 0)
@@ -893,7 +892,7 @@ static int __devinit qec_ether_init(struct sbus_dev *sdev)
893 /* Stop this QE. */ 892 /* Stop this QE. */
894 qe_stop(qe); 893 qe_stop(qe);
895 894
896 SET_NETDEV_DEV(dev, &sdev->ofdev.dev); 895 SET_NETDEV_DEV(dev, &op->dev);
897 896
898 dev->open = qe_open; 897 dev->open = qe_open;
899 dev->stop = qe_close; 898 dev->stop = qe_close;
@@ -901,7 +900,7 @@ static int __devinit qec_ether_init(struct sbus_dev *sdev)
901 dev->set_multicast_list = qe_set_multicast; 900 dev->set_multicast_list = qe_set_multicast;
902 dev->tx_timeout = qe_tx_timeout; 901 dev->tx_timeout = qe_tx_timeout;
903 dev->watchdog_timeo = 5*HZ; 902 dev->watchdog_timeo = 5*HZ;
904 dev->irq = sdev->irqs[0]; 903 dev->irq = op->irqs[0];
905 dev->dma = 0; 904 dev->dma = 0;
906 dev->ethtool_ops = &qe_ethtool_ops; 905 dev->ethtool_ops = &qe_ethtool_ops;
907 906
@@ -909,7 +908,7 @@ static int __devinit qec_ether_init(struct sbus_dev *sdev)
909 if (res) 908 if (res)
910 goto fail; 909 goto fail;
911 910
912 dev_set_drvdata(&sdev->ofdev.dev, qe); 911 dev_set_drvdata(&op->dev, qe);
913 912
914 printk(KERN_INFO "%s: qe channel[%d] ", dev->name, qe->channel); 913 printk(KERN_INFO "%s: qe channel[%d] ", dev->name, qe->channel);
915 for (i = 0; i < 6; i++) 914 for (i = 0; i < 6; i++)
@@ -923,16 +922,14 @@ static int __devinit qec_ether_init(struct sbus_dev *sdev)
923 922
924fail: 923fail:
925 if (qe->qcregs) 924 if (qe->qcregs)
926 sbus_iounmap(qe->qcregs, CREG_REG_SIZE); 925 of_iounmap(&op->resource[0], qe->qcregs, CREG_REG_SIZE);
927 if (qe->mregs) 926 if (qe->mregs)
928 sbus_iounmap(qe->mregs, MREGS_REG_SIZE); 927 of_iounmap(&op->resource[1], qe->mregs, MREGS_REG_SIZE);
929 if (qe->qe_block) 928 if (qe->qe_block)
930 dma_free_coherent(&qe->qe_sdev->ofdev.dev, 929 dma_free_coherent(&op->dev, PAGE_SIZE,
931 PAGE_SIZE, 930 qe->qe_block, qe->qblock_dvma);
932 qe->qe_block,
933 qe->qblock_dvma);
934 if (qe->buffers) 931 if (qe->buffers)
935 dma_free_coherent(&qe->qe_sdev->ofdev.dev, 932 dma_free_coherent(&op->dev,
936 sizeof(struct sunqe_buffers), 933 sizeof(struct sunqe_buffers),
937 qe->buffers, 934 qe->buffers,
938 qe->buffers_dvma); 935 qe->buffers_dvma);
@@ -942,34 +939,28 @@ fail:
942 return res; 939 return res;
943} 940}
944 941
945static int __devinit qec_sbus_probe(struct of_device *dev, const struct of_device_id *match) 942static int __devinit qec_sbus_probe(struct of_device *op, const struct of_device_id *match)
946{ 943{
947 struct sbus_dev *sdev = to_sbus_device(&dev->dev); 944 return qec_ether_init(op);
948
949 return qec_ether_init(sdev);
950} 945}
951 946
952static int __devexit qec_sbus_remove(struct of_device *dev) 947static int __devexit qec_sbus_remove(struct of_device *op)
953{ 948{
954 struct sunqe *qp = dev_get_drvdata(&dev->dev); 949 struct sunqe *qp = dev_get_drvdata(&op->dev);
955 struct net_device *net_dev = qp->dev; 950 struct net_device *net_dev = qp->dev;
956 951
957 unregister_netdev(net_dev); 952 unregister_netdev(net_dev);
958 953
959 sbus_iounmap(qp->qcregs, CREG_REG_SIZE); 954 of_iounmap(&op->resource[0], qp->qcregs, CREG_REG_SIZE);
960 sbus_iounmap(qp->mregs, MREGS_REG_SIZE); 955 of_iounmap(&op->resource[1], qp->mregs, MREGS_REG_SIZE);
961 dma_free_coherent(&qp->qe_sdev->ofdev.dev, 956 dma_free_coherent(&op->dev, PAGE_SIZE,
962 PAGE_SIZE, 957 qp->qe_block, qp->qblock_dvma);
963 qp->qe_block, 958 dma_free_coherent(&op->dev, sizeof(struct sunqe_buffers),
964 qp->qblock_dvma); 959 qp->buffers, qp->buffers_dvma);
965 dma_free_coherent(&qp->qe_sdev->ofdev.dev,
966 sizeof(struct sunqe_buffers),
967 qp->buffers,
968 qp->buffers_dvma);
969 960
970 free_netdev(net_dev); 961 free_netdev(net_dev);
971 962
972 dev_set_drvdata(&dev->dev, NULL); 963 dev_set_drvdata(&op->dev, NULL);
973 964
974 return 0; 965 return 0;
975} 966}
@@ -992,7 +983,7 @@ static struct of_platform_driver qec_sbus_driver = {
992 983
993static int __init qec_init(void) 984static int __init qec_init(void)
994{ 985{
995 return of_register_driver(&qec_sbus_driver, &sbus_bus_type); 986 return of_register_driver(&qec_sbus_driver, &of_bus_type);
996} 987}
997 988
998static void __exit qec_exit(void) 989static void __exit qec_exit(void)
@@ -1001,11 +992,11 @@ static void __exit qec_exit(void)
1001 992
1002 while (root_qec_dev) { 993 while (root_qec_dev) {
1003 struct sunqec *next = root_qec_dev->next_module; 994 struct sunqec *next = root_qec_dev->next_module;
995 struct of_device *op = root_qec_dev->op;
1004 996
1005 free_irq(root_qec_dev->qec_sdev->irqs[0], 997 free_irq(op->irqs[0], (void *) root_qec_dev);
1006 (void *) root_qec_dev); 998 of_iounmap(&op->resource[0], root_qec_dev->gregs,
1007 sbus_iounmap(root_qec_dev->gregs, GLOB_REG_SIZE); 999 GLOB_REG_SIZE);
1008
1009 kfree(root_qec_dev); 1000 kfree(root_qec_dev);
1010 1001
1011 root_qec_dev = next; 1002 root_qec_dev = next;
diff --git a/drivers/net/sunqe.h b/drivers/net/sunqe.h
index 347c8ddc1592..5813a7b2faa5 100644
--- a/drivers/net/sunqe.h
+++ b/drivers/net/sunqe.h
@@ -314,7 +314,7 @@ struct sunqec {
314 void __iomem *gregs; /* QEC Global Registers */ 314 void __iomem *gregs; /* QEC Global Registers */
315 struct sunqe *qes[4]; /* Each child MACE */ 315 struct sunqe *qes[4]; /* Each child MACE */
316 unsigned int qec_bursts; /* Support burst sizes */ 316 unsigned int qec_bursts; /* Support burst sizes */
317 struct sbus_dev *qec_sdev; /* QEC's SBUS device */ 317 struct of_device *op; /* QEC's OF device */
318 struct sunqec *next_module; /* List of all QECs in system */ 318 struct sunqec *next_module; /* List of all QECs in system */
319}; 319};
320 320
@@ -342,7 +342,7 @@ struct sunqe {
342 __u32 buffers_dvma; /* DVMA visible address. */ 342 __u32 buffers_dvma; /* DVMA visible address. */
343 struct sunqec *parent; 343 struct sunqec *parent;
344 u8 mconfig; /* Base MACE mconfig value */ 344 u8 mconfig; /* Base MACE mconfig value */
345 struct sbus_dev *qe_sdev; /* QE's SBUS device struct */ 345 struct of_device *op; /* QE's OF device struct */
346 struct net_device *dev; /* QE's netdevice struct */ 346 struct net_device *dev; /* QE's netdevice struct */
347 int channel; /* Who am I? */ 347 int channel; /* Who am I? */
348}; 348};