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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-11 19:40:14 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-11 19:40:14 -0700
commit038a5008b2f395c85e6e71d6ddf3c684e7c405b0 (patch)
tree4735eab577e97e5a22c3141e3f60071c8065585e /drivers/net/b44.c
parentdd6d1844af33acb4edd0a40b1770d091a22c94be (diff)
parent266918303226cceac7eca38ced30f15f277bd89c (diff)
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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (867 commits) [SKY2]: status polling loop (post merge) [NET]: Fix NAPI completion handling in some drivers. [TCP]: Limit processing lost_retrans loop to work-to-do cases [TCP]: Fix lost_retrans loop vs fastpath problems [TCP]: No need to re-count fackets_out/sacked_out at RTO [TCP]: Extract tcp_match_queue_to_sack from sacktag code [TCP]: Kill almost unused variable pcount from sacktag [TCP]: Fix mark_head_lost to ignore R-bit when trying to mark L [TCP]: Add bytes_acked (ABC) clearing to FRTO too [IPv6]: Update setsockopt(IPV6_MULTICAST_IF) to support RFC 3493, try2 [NETFILTER]: x_tables: add missing ip6t_modulename aliases [NETFILTER]: nf_conntrack_tcp: fix connection reopening [QETH]: fix qeth_main.c [NETLINK]: fib_frontend build fixes [IPv6]: Export userland ND options through netlink (RDNSS support) [9P]: build fix with !CONFIG_SYSCTL [NET]: Fix dev_put() and dev_hold() comments [NET]: make netlink user -> kernel interface synchronious [NET]: unify netlink kernel socket recognition [NET]: cleanup 3rd argument in netlink_sendskb ... Fix up conflicts manually in Documentation/feature-removal-schedule.txt and my new least favourite crap, the "mod_devicetable" support in the files include/linux/mod_devicetable.h and scripts/mod/file2alias.c. (The latter files seem to be explicitly _designed_ to get conflicts when different subsystems work with them - that have an absolutely horrid lack of subsystem separation!) Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/net/b44.c')
-rw-r--r--drivers/net/b44.c810
1 files changed, 384 insertions, 426 deletions
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index 0795df235492..3d247f3f4a3c 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -1,8 +1,11 @@
-/* b44.c: Broadcom 4400 device driver.
+/* b44.c: Broadcom 44xx/47xx Fast Ethernet device driver.
*
* Copyright (C) 2002 David S. Miller (davem@redhat.com)
- * Fixed by Pekka Pietikainen (pp@ee.oulu.fi)
+ * Copyright (C) 2004 Pekka Pietikainen (pp@ee.oulu.fi)
+ * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
+ * Copyright (C) 2006 Felix Fietkau (nbd@openwrt.org)
* Copyright (C) 2006 Broadcom Corporation.
+ * Copyright (C) 2007 Michael Buesch <mb@bu3sch.de>
*
* Distribute under GPL.
*/
@@ -21,17 +24,18 @@
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/dma-mapping.h>
+#include <linux/ssb/ssb.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/irq.h>
+
#include "b44.h"
#define DRV_MODULE_NAME "b44"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "1.01"
-#define DRV_MODULE_RELDATE "Jun 16, 2006"
+#define DRV_MODULE_VERSION "2.0"
#define B44_DEF_MSG_ENABLE \
(NETIF_MSG_DRV | \
@@ -85,10 +89,10 @@
#define B44_ETHIPV4UDP_HLEN 42
static char version[] __devinitdata =
- DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
+ DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION "\n";
-MODULE_AUTHOR("Florian Schirmer, Pekka Pietikainen, David S. Miller");
-MODULE_DESCRIPTION("Broadcom 4400 10/100 PCI ethernet driver");
+MODULE_AUTHOR("Felix Fietkau, Florian Schirmer, Pekka Pietikainen, David S. Miller");
+MODULE_DESCRIPTION("Broadcom 44xx/47xx 10/100 PCI ethernet driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);
@@ -96,18 +100,28 @@ static int b44_debug = -1; /* -1 == use B44_DEF_MSG_ENABLE as value */
module_param(b44_debug, int, 0);
MODULE_PARM_DESC(b44_debug, "B44 bitmapped debugging message enable value");
-static struct pci_device_id b44_pci_tbl[] = {
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401B0,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
- { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401B1,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
- { } /* terminate list with empty entry */
-};
+#ifdef CONFIG_B44_PCI
+static const struct pci_device_id b44_pci_tbl[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401B0) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4401B1) },
+ { 0 } /* terminate list with empty entry */
+};
MODULE_DEVICE_TABLE(pci, b44_pci_tbl);
+static struct pci_driver b44_pci_driver = {
+ .name = DRV_MODULE_NAME,
+ .id_table = b44_pci_tbl,
+};
+#endif /* CONFIG_B44_PCI */
+
+static const struct ssb_device_id b44_ssb_tbl[] = {
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_ETHERNET, SSB_ANY_REV),
+ SSB_DEVTABLE_END
+};
+MODULE_DEVICE_TABLE(ssb, b44_ssb_tbl);
+
static void b44_halt(struct b44 *);
static void b44_init_rings(struct b44 *);
@@ -119,6 +133,7 @@ static void b44_init_hw(struct b44 *, int);
static int dma_desc_align_mask;
static int dma_desc_sync_size;
+static int instance;
static const char b44_gstrings[][ETH_GSTRING_LEN] = {
#define _B44(x...) # x,
@@ -126,35 +141,35 @@ B44_STAT_REG_DECLARE
#undef _B44
};
-static inline void b44_sync_dma_desc_for_device(struct pci_dev *pdev,
- dma_addr_t dma_base,
- unsigned long offset,
- enum dma_data_direction dir)
+static inline void b44_sync_dma_desc_for_device(struct ssb_device *sdev,
+ dma_addr_t dma_base,
+ unsigned long offset,
+ enum dma_data_direction dir)
{
- dma_sync_single_range_for_device(&pdev->dev, dma_base,
- offset & dma_desc_align_mask,
- dma_desc_sync_size, dir);
+ dma_sync_single_range_for_device(sdev->dev, dma_base,
+ offset & dma_desc_align_mask,
+ dma_desc_sync_size, dir);
}
-static inline void b44_sync_dma_desc_for_cpu(struct pci_dev *pdev,
- dma_addr_t dma_base,
- unsigned long offset,
- enum dma_data_direction dir)
+static inline void b44_sync_dma_desc_for_cpu(struct ssb_device *sdev,
+ dma_addr_t dma_base,
+ unsigned long offset,
+ enum dma_data_direction dir)
{
- dma_sync_single_range_for_cpu(&pdev->dev, dma_base,
- offset & dma_desc_align_mask,
- dma_desc_sync_size, dir);
+ dma_sync_single_range_for_cpu(sdev->dev, dma_base,
+ offset & dma_desc_align_mask,
+ dma_desc_sync_size, dir);
}
static inline unsigned long br32(const struct b44 *bp, unsigned long reg)
{
- return readl(bp->regs + reg);
+ return ssb_read32(bp->sdev, reg);
}
static inline void bw32(const struct b44 *bp,
unsigned long reg, unsigned long val)
{
- writel(val, bp->regs + reg);
+ ssb_write32(bp->sdev, reg, val);
}
static int b44_wait_bit(struct b44 *bp, unsigned long reg,
@@ -182,117 +197,29 @@ static int b44_wait_bit(struct b44 *bp, unsigned long reg,
return 0;
}
-/* Sonics SiliconBackplane support routines. ROFL, you should see all the
- * buzz words used on this company's website :-)
- *
- * All of these routines must be invoked with bp->lock held and
- * interrupts disabled.
- */
-
-#define SB_PCI_DMA 0x40000000 /* Client Mode PCI memory access space (1 GB) */
-#define BCM4400_PCI_CORE_ADDR 0x18002000 /* Address of PCI core on BCM4400 cards */
-
-static u32 ssb_get_core_rev(struct b44 *bp)
-{
- return (br32(bp, B44_SBIDHIGH) & SBIDHIGH_RC_MASK);
-}
-
-static u32 ssb_pci_setup(struct b44 *bp, u32 cores)
-{
- u32 bar_orig, pci_rev, val;
-
- pci_read_config_dword(bp->pdev, SSB_BAR0_WIN, &bar_orig);
- pci_write_config_dword(bp->pdev, SSB_BAR0_WIN, BCM4400_PCI_CORE_ADDR);
- pci_rev = ssb_get_core_rev(bp);
-
- val = br32(bp, B44_SBINTVEC);
- val |= cores;
- bw32(bp, B44_SBINTVEC, val);
-
- val = br32(bp, SSB_PCI_TRANS_2);
- val |= SSB_PCI_PREF | SSB_PCI_BURST;
- bw32(bp, SSB_PCI_TRANS_2, val);
-
- pci_write_config_dword(bp->pdev, SSB_BAR0_WIN, bar_orig);
-
- return pci_rev;
-}
-
-static void ssb_core_disable(struct b44 *bp)
-{
- if (br32(bp, B44_SBTMSLOW) & SBTMSLOW_RESET)
- return;
-
- bw32(bp, B44_SBTMSLOW, (SBTMSLOW_REJECT | SBTMSLOW_CLOCK));
- b44_wait_bit(bp, B44_SBTMSLOW, SBTMSLOW_REJECT, 100000, 0);
- b44_wait_bit(bp, B44_SBTMSHIGH, SBTMSHIGH_BUSY, 100000, 1);
- bw32(bp, B44_SBTMSLOW, (SBTMSLOW_FGC | SBTMSLOW_CLOCK |
- SBTMSLOW_REJECT | SBTMSLOW_RESET));
- br32(bp, B44_SBTMSLOW);
- udelay(1);
- bw32(bp, B44_SBTMSLOW, (SBTMSLOW_REJECT | SBTMSLOW_RESET));
- br32(bp, B44_SBTMSLOW);
- udelay(1);
-}
-
-static void ssb_core_reset(struct b44 *bp)
+static inline void __b44_cam_read(struct b44 *bp, unsigned char *data, int index)
{
u32 val;
- ssb_core_disable(bp);
- bw32(bp, B44_SBTMSLOW, (SBTMSLOW_RESET | SBTMSLOW_CLOCK | SBTMSLOW_FGC));
- br32(bp, B44_SBTMSLOW);
- udelay(1);
-
- /* Clear SERR if set, this is a hw bug workaround. */
- if (br32(bp, B44_SBTMSHIGH) & SBTMSHIGH_SERR)
- bw32(bp, B44_SBTMSHIGH, 0);
-
- val = br32(bp, B44_SBIMSTATE);
- if (val & (SBIMSTATE_IBE | SBIMSTATE_TO))
- bw32(bp, B44_SBIMSTATE, val & ~(SBIMSTATE_IBE | SBIMSTATE_TO));
-
- bw32(bp, B44_SBTMSLOW, (SBTMSLOW_CLOCK | SBTMSLOW_FGC));
- br32(bp, B44_SBTMSLOW);
- udelay(1);
-
- bw32(bp, B44_SBTMSLOW, (SBTMSLOW_CLOCK));
- br32(bp, B44_SBTMSLOW);
- udelay(1);
-}
+ bw32(bp, B44_CAM_CTRL, (CAM_CTRL_READ |
+ (index << CAM_CTRL_INDEX_SHIFT)));
-static int ssb_core_unit(struct b44 *bp)
-{
-#if 0
- u32 val = br32(bp, B44_SBADMATCH0);
- u32 base;
+ b44_wait_bit(bp, B44_CAM_CTRL, CAM_CTRL_BUSY, 100, 1);
- type = val & SBADMATCH0_TYPE_MASK;
- switch (type) {
- case 0:
- base = val & SBADMATCH0_BS0_MASK;
- break;
+ val = br32(bp, B44_CAM_DATA_LO);
- case 1:
- base = val & SBADMATCH0_BS1_MASK;
- break;
+ data[2] = (val >> 24) & 0xFF;
+ data[3] = (val >> 16) & 0xFF;
+ data[4] = (val >> 8) & 0xFF;
+ data[5] = (val >> 0) & 0xFF;
- case 2:
- default:
- base = val & SBADMATCH0_BS2_MASK;
- break;
- };
-#endif
- return 0;
-}
+ val = br32(bp, B44_CAM_DATA_HI);
-static int ssb_is_core_up(struct b44 *bp)
-{
- return ((br32(bp, B44_SBTMSLOW) & (SBTMSLOW_RESET | SBTMSLOW_REJECT | SBTMSLOW_CLOCK))
- == SBTMSLOW_CLOCK);
+ data[0] = (val >> 8) & 0xFF;
+ data[1] = (val >> 0) & 0xFF;
}
-static void __b44_cam_write(struct b44 *bp, unsigned char *data, int index)
+static inline void __b44_cam_write(struct b44 *bp, unsigned char *data, int index)
{
u32 val;
@@ -328,14 +255,14 @@ static void b44_enable_ints(struct b44 *bp)
bw32(bp, B44_IMASK, bp->imask);
}
-static int b44_readphy(struct b44 *bp, int reg, u32 *val)
+static int __b44_readphy(struct b44 *bp, int phy_addr, int reg, u32 *val)
{
int err;
bw32(bp, B44_EMAC_ISTAT, EMAC_INT_MII);
bw32(bp, B44_MDIO_DATA, (MDIO_DATA_SB_START |
(MDIO_OP_READ << MDIO_DATA_OP_SHIFT) |
- (bp->phy_addr << MDIO_DATA_PMD_SHIFT) |
+ (phy_addr << MDIO_DATA_PMD_SHIFT) |
(reg << MDIO_DATA_RA_SHIFT) |
(MDIO_TA_VALID << MDIO_DATA_TA_SHIFT)));
err = b44_wait_bit(bp, B44_EMAC_ISTAT, EMAC_INT_MII, 100, 0);
@@ -344,29 +271,40 @@ static int b44_readphy(struct b44 *bp, int reg, u32 *val)
return err;
}
-static int b44_writephy(struct b44 *bp, int reg, u32 val)
+static int __b44_writephy(struct b44 *bp, int phy_addr, int reg, u32 val)
{
bw32(bp, B44_EMAC_ISTAT, EMAC_INT_MII);
bw32(bp, B44_MDIO_DATA, (MDIO_DATA_SB_START |
(MDIO_OP_WRITE << MDIO_DATA_OP_SHIFT) |
- (bp->phy_addr << MDIO_DATA_PMD_SHIFT) |
+ (phy_addr << MDIO_DATA_PMD_SHIFT) |
(reg << MDIO_DATA_RA_SHIFT) |
(MDIO_TA_VALID << MDIO_DATA_TA_SHIFT) |
(val & MDIO_DATA_DATA)));
return b44_wait_bit(bp, B44_EMAC_ISTAT, EMAC_INT_MII, 100, 0);
}
+static inline int b44_readphy(struct b44 *bp, int reg, u32 *val)
+{
+ if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
+ return 0;
+
+ return __b44_readphy(bp, bp->phy_addr, reg, val);
+}
+
+static inline int b44_writephy(struct b44 *bp, int reg, u32 val)
+{
+ if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
+ return 0;
+
+ return __b44_writephy(bp, bp->phy_addr, reg, val);
+}
+
/* miilib interface */
-/* FIXME FIXME: phy_id is ignored, bp->phy_addr use is unconditional
- * due to code existing before miilib use was added to this driver.
- * Someone should remove this artificial driver limitation in
- * b44_{read,write}phy. bp->phy_addr itself is fine (and needed).
- */
static int b44_mii_read(struct net_device *dev, int phy_id, int location)
{
u32 val;
struct b44 *bp = netdev_priv(dev);
- int rc = b44_readphy(bp, location, &val);
+ int rc = __b44_readphy(bp, phy_id, location, &val);
if (rc)
return 0xffffffff;
return val;
@@ -376,7 +314,7 @@ static void b44_mii_write(struct net_device *dev, int phy_id, int location,
int val)
{
struct b44 *bp = netdev_priv(dev);
- b44_writephy(bp, location, val);
+ __b44_writephy(bp, phy_id, location, val);
}
static int b44_phy_reset(struct b44 *bp)
@@ -384,6 +322,8 @@ static int b44_phy_reset(struct b44 *bp)
u32 val;
int err;
+ if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
+ return 0;
err = b44_writephy(bp, MII_BMCR, BMCR_RESET);
if (err)
return err;
@@ -442,11 +382,52 @@ static void b44_set_flow_ctrl(struct b44 *bp, u32 local, u32 remote)
__b44_set_flow_ctrl(bp, pause_enab);
}
+#ifdef SSB_DRIVER_MIPS
+extern char *nvram_get(char *name);
+static void b44_wap54g10_workaround(struct b44 *bp)
+{
+ const char *str;
+ u32 val;
+ int err;
+
+ /*
+ * workaround for bad hardware design in Linksys WAP54G v1.0
+ * see https://dev.openwrt.org/ticket/146
+ * check and reset bit "isolate"
+ */
+ str = nvram_get("boardnum");
+ if (!str)
+ return;
+ if (simple_strtoul(str, NULL, 0) == 2) {
+ err = __b44_readphy(bp, 0, MII_BMCR, &val);
+ if (err)
+ goto error;
+ if (!(val & BMCR_ISOLATE))
+ return;
+ val &= ~BMCR_ISOLATE;
+ err = __b44_writephy(bp, 0, MII_BMCR, val);
+ if (err)
+ goto error;
+ }
+ return;
+error:
+ printk(KERN_WARNING PFX "PHY: cannot reset MII transceiver isolate bit.\n");
+}
+#else
+static inline void b44_wap54g10_workaround(struct b44 *bp)
+{
+}
+#endif
+
static int b44_setup_phy(struct b44 *bp)
{
u32 val;
int err;
+ b44_wap54g10_workaround(bp);
+
+ if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
+ return 0;
if ((err = b44_readphy(bp, B44_MII_ALEDCTRL, &val)) != 0)
goto out;
if ((err = b44_writephy(bp, B44_MII_ALEDCTRL,
@@ -542,6 +523,19 @@ static void b44_check_phy(struct b44 *bp)
{
u32 bmsr, aux;
+ if (bp->phy_addr == B44_PHY_ADDR_NO_PHY) {
+ bp->flags |= B44_FLAG_100_BASE_T;
+ bp->flags |= B44_FLAG_FULL_DUPLEX;
+ if (!netif_carrier_ok(bp->dev)) {
+ u32 val = br32(bp, B44_TX_CTRL);
+ val |= TX_CTRL_DUPLEX;
+ bw32(bp, B44_TX_CTRL, val);
+ netif_carrier_on(bp->dev);
+ b44_link_report(bp);
+ }
+ return;
+ }
+
if (!b44_readphy(bp, MII_BMSR, &bmsr) &&
!b44_readphy(bp, B44_MII_AUXCTRL, &aux) &&
(bmsr != 0xffff)) {
@@ -617,10 +611,10 @@ static void b44_tx(struct b44 *bp)
BUG_ON(skb == NULL);
- pci_unmap_single(bp->pdev,
- pci_unmap_addr(rp, mapping),
+ dma_unmap_single(bp->sdev->dev,
+ rp->mapping,
skb->len,
- PCI_DMA_TODEVICE);
+ DMA_TO_DEVICE);
rp->skb = NULL;
dev_kfree_skb_irq(skb);
}
@@ -657,9 +651,9 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
if (skb == NULL)
return -ENOMEM;
- mapping = pci_map_single(bp->pdev, skb->data,
+ mapping = dma_map_single(bp->sdev->dev, skb->data,
RX_PKT_BUF_SZ,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
/* Hardware bug work-around, the chip is unable to do PCI DMA
to/from anything above 1GB :-( */
@@ -667,18 +661,19 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) {
/* Sigh... */
if (!dma_mapping_error(mapping))
- pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE);
+ dma_unmap_single(bp->sdev->dev, mapping,
+ RX_PKT_BUF_SZ, DMA_FROM_DEVICE);
dev_kfree_skb_any(skb);
skb = __netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ, GFP_ATOMIC|GFP_DMA);
if (skb == NULL)
return -ENOMEM;
- mapping = pci_map_single(bp->pdev, skb->data,
+ mapping = dma_map_single(bp->sdev->dev, skb->data,
RX_PKT_BUF_SZ,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
if (dma_mapping_error(mapping) ||
mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) {
if (!dma_mapping_error(mapping))
- pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE);
+ dma_unmap_single(bp->sdev->dev, mapping, RX_PKT_BUF_SZ,DMA_FROM_DEVICE);
dev_kfree_skb_any(skb);
return -ENOMEM;
}
@@ -691,7 +686,7 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
rh->flags = 0;
map->skb = skb;
- pci_unmap_addr_set(map, mapping, mapping);
+ map->mapping = mapping;
if (src_map != NULL)
src_map->skb = NULL;
@@ -705,9 +700,9 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
dp->addr = cpu_to_le32((u32) mapping + RX_PKT_OFFSET + bp->dma_offset);
if (bp->flags & B44_FLAG_RX_RING_HACK)
- b44_sync_dma_desc_for_device(bp->pdev, bp->rx_ring_dma,
- dest_idx * sizeof(dp),
- DMA_BIDIRECTIONAL);
+ b44_sync_dma_desc_for_device(bp->sdev, bp->rx_ring_dma,
+ dest_idx * sizeof(dp),
+ DMA_BIDIRECTIONAL);
return RX_PKT_BUF_SZ;
}
@@ -730,13 +725,12 @@ static void b44_recycle_rx(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
rh = (struct rx_header *) src_map->skb->data;
rh->len = 0;
rh->flags = 0;
- pci_unmap_addr_set(dest_map, mapping,
- pci_unmap_addr(src_map, mapping));
+ dest_map->mapping = src_map->mapping;
if (bp->flags & B44_FLAG_RX_RING_HACK)
- b44_sync_dma_desc_for_cpu(bp->pdev, bp->rx_ring_dma,
- src_idx * sizeof(src_desc),
- DMA_BIDIRECTIONAL);
+ b44_sync_dma_desc_for_cpu(bp->sdev, bp->rx_ring_dma,
+ src_idx * sizeof(src_desc),
+ DMA_BIDIRECTIONAL);
ctrl = src_desc->ctrl;
if (dest_idx == (B44_RX_RING_SIZE - 1))
@@ -750,13 +744,13 @@ static void b44_recycle_rx(struct b44 *bp, int src_idx, u32 dest_idx_unmasked)
src_map->skb = NULL;
if (bp->flags & B44_FLAG_RX_RING_HACK)
- b44_sync_dma_desc_for_device(bp->pdev, bp->rx_ring_dma,
- dest_idx * sizeof(dest_desc),
- DMA_BIDIRECTIONAL);
+ b44_sync_dma_desc_for_device(bp->sdev, bp->rx_ring_dma,
+ dest_idx * sizeof(dest_desc),
+ DMA_BIDIRECTIONAL);
- pci_dma_sync_single_for_device(bp->pdev, le32_to_cpu(src_desc->addr),
- RX_PKT_BUF_SZ,
- PCI_DMA_FROMDEVICE);
+ dma_sync_single_for_device(bp->sdev->dev, le32_to_cpu(src_desc->addr),
+ RX_PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
}
static int b44_rx(struct b44 *bp, int budget)
@@ -772,13 +766,13 @@ static int b44_rx(struct b44 *bp, int budget)
while (cons != prod && budget > 0) {
struct ring_info *rp = &bp->rx_buffers[cons];
struct sk_buff *skb = rp->skb;
- dma_addr_t map = pci_unmap_addr(rp, mapping);
+ dma_addr_t map = rp->mapping;
struct rx_header *rh;
u16 len;
- pci_dma_sync_single_for_cpu(bp->pdev, map,
+ dma_sync_single_for_cpu(bp->sdev->dev, map,
RX_PKT_BUF_SZ,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
rh = (struct rx_header *) skb->data;
len = le16_to_cpu(rh->len);
if ((len > (RX_PKT_BUF_SZ - RX_PKT_OFFSET)) ||
@@ -810,8 +804,8 @@ static int b44_rx(struct b44 *bp, int budget)
skb_size = b44_alloc_rx_skb(bp, cons, bp->rx_prod);
if (skb_size < 0)
goto drop_it;
- pci_unmap_single(bp->pdev, map,
- skb_size, PCI_DMA_FROMDEVICE);
+ dma_unmap_single(bp->sdev->dev, map,
+ skb_size, DMA_FROM_DEVICE);
/* Leave out rx_header */
skb_put(skb, len + RX_PKT_OFFSET);
skb_pull(skb, RX_PKT_OFFSET);
@@ -848,10 +842,11 @@ static int b44_rx(struct b44 *bp, int budget)
return received;
}
-static int b44_poll(struct net_device *netdev, int *budget)
+static int b44_poll(struct napi_struct *napi, int budget)
{
- struct b44 *bp = netdev_priv(netdev);
- int done;
+ struct b44 *bp = container_of(napi, struct b44, napi);
+ struct net_device *netdev = bp->dev;
+ int work_done;
spin_lock_irq(&bp->lock);
@@ -862,22 +857,9 @@ static int b44_poll(struct net_device *netdev, int *budget)
}
spin_unlock_irq(&bp->lock);
- done = 1;
- if (bp->istat & ISTAT_RX) {
- int orig_budget = *budget;
- int work_done;
-
- if (orig_budget > netdev->quota)
- orig_budget = netdev->quota;
-
- work_done = b44_rx(bp, orig_budget);
-
- *budget -= work_done;
- netdev->quota -= work_done;
-
- if (work_done >= orig_budget)
- done = 0;
- }
+ work_done = 0;
+ if (bp->istat & ISTAT_RX)
+ work_done += b44_rx(bp, budget);
if (bp->istat & ISTAT_ERRORS) {
unsigned long flags;
@@ -888,15 +870,15 @@ static int b44_poll(struct net_device *netdev, int *budget)
b44_init_hw(bp, B44_FULL_RESET_SKIP_PHY);
netif_wake_queue(bp->dev);
spin_unlock_irqrestore(&bp->lock, flags);
- done = 1;
+ work_done = 0;
}
- if (done) {
- netif_rx_complete(netdev);
+ if (work_done < budget) {
+ netif_rx_complete(netdev, napi);
b44_enable_ints(bp);
}
- return (done ? 0 : 1);
+ return work_done;
}
static irqreturn_t b44_interrupt(int irq, void *dev_id)
@@ -924,13 +906,13 @@ static irqreturn_t b44_interrupt(int irq, void *dev_id)
goto irq_ack;
}
- if (netif_rx_schedule_prep(dev)) {
+ if (netif_rx_schedule_prep(dev, &bp->napi)) {
/* NOTE: These writes are posted by the readback of
* the ISTAT register below.
*/
bp->istat = istat;
__b44_disable_ints(bp);
- __netif_rx_schedule(dev);
+ __netif_rx_schedule(dev, &bp->napi);
} else {
printk(KERN_ERR PFX "%s: Error, poll already scheduled\n",
dev->name);
@@ -982,24 +964,25 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
goto err_out;
}
- mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE);
+ mapping = dma_map_single(bp->sdev->dev, skb->data, len, DMA_TO_DEVICE);
if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) {
struct sk_buff *bounce_skb;
/* Chip can't handle DMA to/from >1GB, use bounce buffer */
if (!dma_mapping_error(mapping))
- pci_unmap_single(bp->pdev, mapping, len, PCI_DMA_TODEVICE);
+ dma_unmap_single(bp->sdev->dev, mapping, len,
+ DMA_TO_DEVICE);
bounce_skb = __dev_alloc_skb(len, GFP_ATOMIC | GFP_DMA);
if (!bounce_skb)
goto err_out;
- mapping = pci_map_single(bp->pdev, bounce_skb->data,
- len, PCI_DMA_TODEVICE);
+ mapping = dma_map_single(bp->sdev->dev, bounce_skb->data,
+ len, DMA_TO_DEVICE);
if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) {
if (!dma_mapping_error(mapping))
- pci_unmap_single(bp->pdev, mapping,
- len, PCI_DMA_TODEVICE);
+ dma_unmap_single(bp->sdev->dev, mapping,
+ len, DMA_TO_DEVICE);
dev_kfree_skb_any(bounce_skb);
goto err_out;
}
@@ -1011,7 +994,7 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
entry = bp->tx_prod;
bp->tx_buffers[entry].skb = skb;
- pci_unmap_addr_set(&bp->tx_buffers[entry], mapping, mapping);
+ bp->tx_buffers[entry].mapping = mapping;
ctrl = (len & DESC_CTRL_LEN);
ctrl |= DESC_CTRL_IOC | DESC_CTRL_SOF | DESC_CTRL_EOF;
@@ -1022,9 +1005,9 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev)
bp->tx_ring[entry].addr = cpu_to_le32((u32) mapping+bp->dma_offset);
if (bp->flags & B44_FLAG_TX_RING_HACK)
- b44_sync_dma_desc_for_device(bp->pdev, bp->tx_ring_dma,
- entry * sizeof(bp->tx_ring[0]),
- DMA_TO_DEVICE);
+ b44_sync_dma_desc_for_device(bp->sdev, bp->tx_ring_dma,
+ entry * sizeof(bp->tx_ring[0]),
+ DMA_TO_DEVICE);
entry = NEXT_TX(entry);
@@ -1097,10 +1080,8 @@ static void b44_free_rings(struct b44 *bp)
if (rp->skb == NULL)
continue;
- pci_unmap_single(bp->pdev,
- pci_unmap_addr(rp, mapping),
- RX_PKT_BUF_SZ,
- PCI_DMA_FROMDEVICE);
+ dma_unmap_single(bp->sdev->dev, rp->mapping, RX_PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
dev_kfree_skb_any(rp->skb);
rp->skb = NULL;
}
@@ -1111,10 +1092,8 @@ static void b44_free_rings(struct b44 *bp)
if (rp->skb == NULL)
continue;
- pci_unmap_single(bp->pdev,
- pci_unmap_addr(rp, mapping),
- rp->skb->len,
- PCI_DMA_TODEVICE);
+ dma_unmap_single(bp->sdev->dev, rp->mapping, rp->skb->len,
+ DMA_TO_DEVICE);
dev_kfree_skb_any(rp->skb);
rp->skb = NULL;
}
@@ -1136,14 +1115,14 @@ static void b44_init_rings(struct b44 *bp)
memset(bp->tx_ring, 0, B44_TX_RING_BYTES);
if (bp->flags & B44_FLAG_RX_RING_HACK)
- dma_sync_single_for_device(&bp->pdev->dev, bp->rx_ring_dma,
- DMA_TABLE_BYTES,
- PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_device(bp->sdev->dev, bp->rx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_BIDIRECTIONAL);
if (bp->flags & B44_FLAG_TX_RING_HACK)
- dma_sync_single_for_device(&bp->pdev->dev, bp->tx_ring_dma,
- DMA_TABLE_BYTES,
- PCI_DMA_TODEVICE);
+ dma_sync_single_for_device(bp->sdev->dev, bp->tx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_TO_DEVICE);
for (i = 0; i < bp->rx_pending; i++) {
if (b44_alloc_rx_skb(bp, -1, i) < 0)
@@ -1163,24 +1142,24 @@ static void b44_free_consistent(struct b44 *bp)
bp->tx_buffers = NULL;
if (bp->rx_ring) {
if (bp->flags & B44_FLAG_RX_RING_HACK) {
- dma_unmap_single(&bp->pdev->dev, bp->rx_ring_dma,
- DMA_TABLE_BYTES,
- DMA_BIDIRECTIONAL);
+ dma_unmap_single(bp->sdev->dev, bp->rx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_BIDIRECTIONAL);
kfree(bp->rx_ring);
} else
- pci_free_consistent(bp->pdev, DMA_TABLE_BYTES,
+ dma_free_coherent(bp->sdev->dev, DMA_TABLE_BYTES,
bp->rx_ring, bp->rx_ring_dma);
bp->rx_ring = NULL;
bp->flags &= ~B44_FLAG_RX_RING_HACK;
}
if (bp->tx_ring) {
if (bp->flags & B44_FLAG_TX_RING_HACK) {
- dma_unmap_single(&bp->pdev->dev, bp->tx_ring_dma,
- DMA_TABLE_BYTES,
- DMA_TO_DEVICE);
+ dma_unmap_single(bp->sdev->dev, bp->tx_ring_dma,
+ DMA_TABLE_BYTES,
+ DMA_TO_DEVICE);
kfree(bp->tx_ring);
} else
- pci_free_consistent(bp->pdev, DMA_TABLE_BYTES,
+ dma_free_coherent(bp->sdev->dev, DMA_TABLE_BYTES,
bp->tx_ring, bp->tx_ring_dma);
bp->tx_ring = NULL;
bp->flags &= ~B44_FLAG_TX_RING_HACK;
@@ -1191,22 +1170,22 @@ static void b44_free_consistent(struct b44 *bp)
* Must not be invoked with interrupt sources disabled and
* the hardware shutdown down. Can sleep.
*/
-static int b44_alloc_consistent(struct b44 *bp)
+static int b44_alloc_consistent(struct b44 *bp, gfp_t gfp)
{
int size;
size = B44_RX_RING_SIZE * sizeof(struct ring_info);
- bp->rx_buffers = kzalloc(size, GFP_KERNEL);
+ bp->rx_buffers = kzalloc(size, gfp);
if (!bp->rx_buffers)
goto out_err;
size = B44_TX_RING_SIZE * sizeof(struct ring_info);
- bp->tx_buffers = kzalloc(size, GFP_KERNEL);
+ bp->tx_buffers = kzalloc(size, gfp);
if (!bp->tx_buffers)
goto out_err;
size = DMA_TABLE_BYTES;
- bp->rx_ring = pci_alloc_consistent(bp->pdev, size, &bp->rx_ring_dma);
+ bp->rx_ring = dma_alloc_coherent(bp->sdev->dev, size, &bp->rx_ring_dma, gfp);
if (!bp->rx_ring) {
/* Allocation may have failed due to pci_alloc_consistent
insisting on use of GFP_DMA, which is more restrictive
@@ -1214,13 +1193,13 @@ static int b44_alloc_consistent(struct b44 *bp)
struct dma_desc *rx_ring;
dma_addr_t rx_ring_dma;
- rx_ring = kzalloc(size, GFP_KERNEL);
+ rx_ring = kzalloc(size, gfp);
if (!rx_ring)
goto out_err;
- rx_ring_dma = dma_map_single(&bp->pdev->dev, rx_ring,
- DMA_TABLE_BYTES,
- DMA_BIDIRECTIONAL);
+ rx_ring_dma = dma_map_single(bp->sdev->dev, rx_ring,
+ DMA_TABLE_BYTES,
+ DMA_BIDIRECTIONAL);
if (dma_mapping_error(rx_ring_dma) ||
rx_ring_dma + size > DMA_30BIT_MASK) {
@@ -1233,21 +1212,21 @@ static int b44_alloc_consistent(struct b44 *bp)
bp->flags |= B44_FLAG_RX_RING_HACK;
}
- bp->tx_ring = pci_alloc_consistent(bp->pdev, size, &bp->tx_ring_dma);
+ bp->tx_ring = dma_alloc_coherent(bp->sdev->dev, size, &bp->tx_ring_dma, gfp);
if (!bp->tx_ring) {
- /* Allocation may have failed due to pci_alloc_consistent
+ /* Allocation may have failed due to dma_alloc_coherent
insisting on use of GFP_DMA, which is more restrictive
than necessary... */
struct dma_desc *tx_ring;
dma_addr_t tx_ring_dma;
- tx_ring = kzalloc(size, GFP_KERNEL);
+ tx_ring = kzalloc(size, gfp);
if (!tx_ring)
goto out_err;
- tx_ring_dma = dma_map_single(&bp->pdev->dev, tx_ring,
- DMA_TABLE_BYTES,
- DMA_TO_DEVICE);
+ tx_ring_dma = dma_map_single(bp->sdev->dev, tx_ring,
+ DMA_TABLE_BYTES,
+ DMA_TO_DEVICE);
if (dma_mapping_error(tx_ring_dma) ||
tx_ring_dma + size > DMA_30BIT_MASK) {
@@ -1282,7 +1261,9 @@ static void b44_clear_stats(struct b44 *bp)
/* bp->lock is held. */
static void b44_chip_reset(struct b44 *bp)
{
- if (ssb_is_core_up(bp)) {
+ struct ssb_device *sdev = bp->sdev;
+
+ if (ssb_device_is_enabled(bp->sdev)) {
bw32(bp, B44_RCV_LAZY, 0);
bw32(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE);
b44_wait_bit(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE, 200, 1);
@@ -1294,19 +1275,25 @@ static void b44_chip_reset(struct b44 *bp)
}
bw32(bp, B44_DMARX_CTRL, 0);
bp->rx_prod = bp->rx_cons = 0;
- } else {
- ssb_pci_setup(bp, (bp->core_unit == 0 ?
- SBINTVEC_ENET0 :
- SBINTVEC_ENET1));
- }
-
- ssb_core_reset(bp);
+ } else
+ ssb_pcicore_dev_irqvecs_enable(&sdev->bus->pcicore, sdev);
+ ssb_device_enable(bp->sdev, 0);
b44_clear_stats(bp);
- /* Make PHY accessible. */
- bw32(bp, B44_MDIO_CTRL, (MDIO_CTRL_PREAMBLE |
- (0x0d & MDIO_CTRL_MAXF_MASK)));
+ switch (sdev->bus->bustype) {
+ case SSB_BUSTYPE_SSB:
+ bw32(bp, B44_MDIO_CTRL, (MDIO_CTRL_PREAMBLE |
+ (((ssb_clockspeed(sdev->bus) + (B44_MDC_RATIO / 2)) / B44_MDC_RATIO)
+ & MDIO_CTRL_MAXF_MASK)));
+ break;
+ case SSB_BUSTYPE_PCI:
+ case SSB_BUSTYPE_PCMCIA:
+ bw32(bp, B44_MDIO_CTRL, (MDIO_CTRL_PREAMBLE |
+ (0x0d & MDIO_CTRL_MAXF_MASK)));
+ break;
+ }
+
br32(bp, B44_MDIO_CTRL);
if (!(br32(bp, B44_DEVCTRL) & DEVCTRL_IPP)) {
@@ -1349,6 +1336,7 @@ static int b44_set_mac_addr(struct net_device *dev, void *p)
{
struct b44 *bp = netdev_priv(dev);
struct sockaddr *addr = p;
+ u32 val;
if (netif_running(dev))
return -EBUSY;
@@ -1359,7 +1347,11 @@ static int b44_set_mac_addr(struct net_device *dev, void *p)
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
spin_lock_irq(&bp->lock);
- __b44_set_mac_addr(bp);
+
+ val = br32(bp, B44_RXCONFIG);
+ if (!(val & RXCONFIG_CAM_ABSENT))
+ __b44_set_mac_addr(bp);
+
spin_unlock_irq(&bp->lock);
return 0;
@@ -1416,10 +1408,12 @@ static int b44_open(struct net_device *dev)
struct b44 *bp = netdev_priv(dev);
int err;
- err = b44_alloc_consistent(bp);
+ err = b44_alloc_consistent(bp, GFP_KERNEL);
if (err)
goto out;
+ napi_enable(&bp->napi);
+
b44_init_rings(bp);
b44_init_hw(bp, B44_FULL_RESET);
@@ -1427,6 +1421,7 @@ static int b44_open(struct net_device *dev)
err = request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev);
if (unlikely(err < 0)) {
+ napi_disable(&bp->napi);
b44_chip_reset(bp);
b44_free_rings(bp);
b44_free_consistent(bp);
@@ -1445,18 +1440,6 @@ out:
return err;
}
-#if 0
-/*static*/ void b44_dump_state(struct b44 *bp)
-{
- u32 val32, val32_2, val32_3, val32_4, val32_5;
- u16 val16;
-
- pci_read_config_word(bp->pdev, PCI_STATUS, &val16);
- printk("DEBUG: PCI status [%04x] \n", val16);
-
-}
-#endif
-
#ifdef CONFIG_NET_POLL_CONTROLLER
/*
* Polling receive - used by netconsole and other diagnostic tools
@@ -1567,10 +1550,24 @@ static void b44_setup_pseudo_magicp(struct b44 *bp)
}
+#ifdef CONFIG_B44_PCI
+static void b44_setup_wol_pci(struct b44 *bp)
+{
+ u16 val;
+
+ if (bp->sdev->bus->bustype != SSB_BUSTYPE_SSB) {
+ bw32(bp, SSB_TMSLOW, br32(bp, SSB_TMSLOW) | SSB_TMSLOW_PE);
+ pci_read_config_word(bp->sdev->bus->host_pci, SSB_PMCSR, &val);
+ pci_write_config_word(bp->sdev->bus->host_pci, SSB_PMCSR, val | SSB_PE);
+ }
+}
+#else
+static inline void b44_setup_wol_pci(struct b44 *bp) { }
+#endif /* CONFIG_B44_PCI */
+
static void b44_setup_wol(struct b44 *bp)
{
u32 val;
- u16 pmval;
bw32(bp, B44_RXCONFIG, RXCONFIG_ALLMULTI);
@@ -1594,13 +1591,7 @@ static void b44_setup_wol(struct b44 *bp)
} else {
b44_setup_pseudo_magicp(bp);
}
-
- val = br32(bp, B44_SBTMSLOW);
- bw32(bp, B44_SBTMSLOW, val | SBTMSLOW_PE);
-
- pci_read_config_word(bp