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Code

update b44 driver for brcm-2.4 and 2.6, fix #214

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2998 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2006-01-16 21:10:50 +00:00
parent f87a57f5af
commit 922857a281
2 changed files with 120 additions and 70 deletions
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94
target/linux/brcm-2.4/patches/008-b44_bcm47xx_support.patch
View File

@ -1,6 +1,6 @@
diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
--- linux.old/drivers/net/b44.c 2006-01-12 17:27:45.920623500 +0100
+++ linux.dev/drivers/net/b44.c 2006-01-13 13:29:18.782391750 +0100
--- linux.old/drivers/net/b44.c 2006-01-16 21:10:55.873911750 +0100
+++ linux.dev/drivers/net/b44.c 2006-01-16 21:16:02.041046000 +0100
@@ -1,7 +1,9 @@
/* b44.c: Broadcom 4400 device driver.
*
@ -182,26 +182,32 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
err = b44_writephy(bp, MII_BMCR, BMCR_RESET);
if (err)
return err;
@@ -405,6 +490,18 @@
@@ -405,6 +490,24 @@
{
u32 val;
int err;
+ char *s;
+
+ if ((s = nvram_get("boardnum")) && (s != NULL) && \
+ !strncmp(s, "2", 1) && \
+ (__b44_readphy(bp, 0, MII_BMCR, &val) != 0) && \
+ (val & BMCR_ISOLATE) && \
+#ifdef CONFIG_BCM947XX
+ /*
+ * workaround for bad hardware design in Linksys WAP54G v1.0
+ * see https://dev.openwrt.org/ticket/146
+ * check and reset bit "isolate"
+ */
+ if ((bp->pdev->device == PCI_DEVICE_ID_BCM4713) &&
+ (atoi(nvram_get("boardnum")) == 2) &&
+ (__b44_readphy(bp, 0, MII_BMCR, &val) == 0) &&
+ (val & BMCR_ISOLATE) &&
+ (__b44_writephy(bp, 0, MII_BMCR, val & ~BMCR_ISOLATE) != 0)) {
+ printk(KERN_WARNING PFX "PHY: cannot reset MII transceiver isolate bit.\n");
+ }
+
+#endif
+ if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
+ return 0;
if ((err = b44_readphy(bp, B44_MII_ALEDCTRL, &val)) != 0)
goto out;
@@ -498,6 +595,19 @@
@@ -498,6 +601,19 @@
{
u32 bmsr, aux;
@ -221,7 +227,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
if (!b44_readphy(bp, MII_BMSR, &bmsr) &&
!b44_readphy(bp, B44_MII_AUXCTRL, &aux) &&
(bmsr != 0xffff)) {
@@ -1092,6 +1202,8 @@
@@ -1092,6 +1208,8 @@
/* bp->lock is held. */
static void b44_chip_reset(struct b44 *bp)
{
@ -230,7 +236,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
if (ssb_is_core_up(bp)) {
bw32(B44_RCV_LAZY, 0);
bw32(B44_ENET_CTRL, ENET_CTRL_DISABLE);
@@ -1105,9 +1217,10 @@
@@ -1105,9 +1223,10 @@
bw32(B44_DMARX_CTRL, 0);
bp->rx_prod = bp->rx_cons = 0;
} else {
@ -244,7 +250,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
}
ssb_core_reset(bp);
@@ -1115,6 +1228,11 @@
@@ -1115,6 +1234,11 @@
b44_clear_stats(bp);
/* Make PHY accessible. */
@ -256,7 +262,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
bw32(B44_MDIO_CTRL, (MDIO_CTRL_PREAMBLE |
(0x0d & MDIO_CTRL_MAXF_MASK)));
br32(B44_MDIO_CTRL);
@@ -1628,7 +1746,7 @@
@@ -1628,7 +1752,7 @@
u32 mii_regval;
spin_lock_irq(&bp->lock);
@ -265,7 +271,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
spin_unlock_irq(&bp->lock);
data->val_out = mii_regval;
@@ -1641,7 +1759,7 @@
@@ -1641,7 +1765,7 @@
return -EPERM;
spin_lock_irq(&bp->lock);
@ -274,7 +280,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
spin_unlock_irq(&bp->lock);
return err;
@@ -1668,21 +1786,52 @@
@@ -1668,21 +1792,52 @@
static int __devinit b44_get_invariants(struct b44 *bp)
{
u8 eeprom[128];
@ -285,41 +291,39 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
- err = b44_read_eeprom(bp, &eeprom[0]);
- if (err)
- goto out;
-
+ if (bp->pdev->device == PCI_DEVICE_ID_BCM4713) {
+ /*
+ * BCM47xx boards don't have a EEPROM. The MAC is stored in
+ * a NVRAM area somewhere in the flash memory.
+ */
+ sprintf(buf, "et%dmacaddr", b44_4713_instance);
+ if (nvram_get(buf)) {
+ e_aton(nvram_get(buf), bp->dev->dev_addr);
+ } else {
+ /*
+ * Getting the MAC out of NVRAM failed. To make it work
+ * here, we simply rely on the bootloader to write the
+ * MAC into the CAM.
+ */
+ spin_lock_irqsave(&bp->lock, flags);
+ __b44_cam_read(bp, bp->dev->dev_addr, 0);
+ spin_unlock_irqrestore(&bp->lock, flags);
+ }
- bp->dev->dev_addr[0] = eeprom[79];
- bp->dev->dev_addr[1] = eeprom[78];
- bp->dev->dev_addr[2] = eeprom[81];
- bp->dev->dev_addr[3] = eeprom[80];
- bp->dev->dev_addr[4] = eeprom[83];
- bp->dev->dev_addr[5] = eeprom[82];
-
- bp->phy_addr = eeprom[90] & 0x1f;
- bp->mdc_port = (eeprom[90] >> 14) & 0x1;
+ if (bp->pdev->device == PCI_DEVICE_ID_BCM4713) {
+#ifdef CONFIG_BCM947XX
+ sprintf(buf, "et%dmacaddr", instance - 1);
+ e_aton(nvram_get(buf), bp->dev->dev_addr);
+
+ sprintf(buf, "et%dphyaddr", instance - 1);
+ bp->phy_addr = B44_PHY_ADDR_NO_PHY;
+#else
+ /*
+ * BCM47xx boards don't have a EEPROM. The MAC is stored in
+ * a NVRAM area somewhere in the flash memory. As we don't
+ * know the location and/or the format of the NVRAM area
+ * here, we simply rely on the bootloader to write the
+ * MAC into the CAM.
+ */
+ spin_lock_irqsave(&bp->lock, flags);
+ __b44_cam_read(bp, bp->dev->dev_addr, 0);
+ spin_unlock_irqrestore(&bp->lock, flags);
+
+ /*
+ * BCM47xx boards don't have a PHY. Usually there is a switch
+ * chip with multiple PHYs connected to the PHY port.
+ */
+ bp->phy_addr = B44_PHY_ADDR_NO_PHY;
+#endif
+ bp->dma_offset = 0;
+ } else {
+ err = b44_read_eeprom(bp, &eeprom[0]);
@ -340,7 +344,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
/* With this, plus the rx_header prepended to the data by the
* hardware, we'll land the ethernet header on a 2-byte boundary.
@@ -1692,13 +1841,12 @@
@@ -1692,13 +1847,12 @@
bp->imask = IMASK_DEF;
bp->core_unit = ssb_core_unit(bp);
@ -356,7 +360,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
}
static int __devinit b44_init_one(struct pci_dev *pdev,
@@ -1710,6 +1858,10 @@
@@ -1710,6 +1864,10 @@
struct b44 *bp;
int err, i;
@ -367,7 +371,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
if (b44_version_printed++ == 0)
printk(KERN_INFO "%s", version);
@@ -1819,11 +1971,17 @@
@@ -1819,11 +1977,17 @@
pci_save_state(bp->pdev, bp->pci_cfg_state);
@ -387,8 +391,8 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
err_out_iounmap:
diff -urN linux.old/drivers/net/b44.h linux.dev/drivers/net/b44.h
--- linux.old/drivers/net/b44.h 2006-01-12 17:26:13.234831000 +0100
+++ linux.dev/drivers/net/b44.h 2006-01-12 17:22:01.043070000 +0100
--- linux.old/drivers/net/b44.h 2006-01-16 21:10:55.881912250 +0100
+++ linux.dev/drivers/net/b44.h 2006-01-16 21:02:38.018249750 +0100
@@ -229,8 +229,6 @@
#define SBIPSFLAG_IMASK4 0x3f000000 /* Which sbflags --> mips interrupt 4 */
#define SBIPSFLAG_ISHIFT4 24
@ -408,9 +412,9 @@ diff -urN linux.old/drivers/net/b44.h linux.dev/drivers/net/b44.h
/* SW copy of device statistics, kept up to date by periodic timer
* which probes HW values. Must have same relative layout as HW
diff -urN linux.old/include/linux/pci_ids.h linux.dev/include/linux/pci_ids.h
--- linux.old/include/linux/pci_ids.h 2006-01-12 17:26:13.250832000 +0100
+++ linux.dev/include/linux/pci_ids.h 2006-01-12 17:22:01.071071750 +0100
@@ -1735,6 +1735,7 @@
--- linux.old/include/linux/pci_ids.h 2006-01-16 21:10:55.901913500 +0100
+++ linux.dev/include/linux/pci_ids.h 2006-01-16 21:02:38.034250750 +0100
@@ -1741,6 +1741,7 @@
#define PCI_DEVICE_ID_TIGON3_5901_2 0x170e
#define PCI_DEVICE_ID_BCM4401 0x4401
#define PCI_DEVICE_ID_BCM4401B0 0x4402

96
target/linux/brcm-2.6/patches/004-b44_bcm47xx_support.patch
View File

@ -1,6 +1,6 @@
diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
--- linux.old/drivers/net/b44.c 2006-01-12 01:44:42.548326000 +0100
+++ linux.dev/drivers/net/b44.c 2006-01-13 17:30:08.283122500 +0100
--- linux.old/drivers/net/b44.c 2006-01-16 20:35:09.203794500 +0100
+++ linux.dev/drivers/net/b44.c 2006-01-16 20:40:29.023782000 +0100
@@ -1,7 +1,9 @@
-/* b44.c: Broadcom 4400 device driver.
+/* b44.c: Broadcom 4400/47xx device driver.
@ -93,7 +93,38 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
return 0;
}
@@ -313,14 +334,14 @@
@@ -277,6 +298,30 @@
== SBTMSLOW_CLOCK);
}
+#ifdef CONFIG_BCM947XX
+static inline void __b44_cam_read(struct b44 *bp, unsigned char *data, int index)
+{
+ u32 val;
+
+ bw32(bp, B44_CAM_CTRL, (CAM_CTRL_READ |
+ (index << CAM_CTRL_INDEX_SHIFT)));
+
+ b44_wait_bit(bp, B44_CAM_CTRL, CAM_CTRL_BUSY, 100, 1);
+
+ val = br32(bp, B44_CAM_DATA_LO);
+
+ data[2] = (val >> 24) & 0xFF;
+ data[3] = (val >> 16) & 0xFF;
+ data[4] = (val >> 8) & 0xFF;
+ data[5] = (val >> 0) & 0xFF;
+
+ val = br32(bp, B44_CAM_DATA_HI);
+
+ data[0] = (val >> 8) & 0xFF;
+ data[1] = (val >> 0) & 0xFF;
+}
+#endif
+
static void __b44_cam_write(struct b44 *bp, unsigned char *data, int index)
{
u32 val;
@@ -313,14 +358,14 @@
bw32(bp, B44_IMASK, bp->imask);
}
@ -110,7 +141,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
(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);
@@ -329,18 +350,34 @@
@@ -329,18 +374,34 @@
return err;
}
@ -147,7 +178,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
/* 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.
@@ -369,6 +406,8 @@
@@ -369,6 +430,8 @@
u32 val;
int err;
@ -156,16 +187,20 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
err = b44_writephy(bp, MII_BMCR, BMCR_RESET);
if (err)
return err;
@@ -439,6 +478,18 @@
@@ -439,6 +502,22 @@
u32 val;
int err;
+#ifdef CONFIG_BCM947XX
+ char *s;
+ if ((s = nvram_get("boardnum")) && (s != NULL) && \
+ !strncmp(s, "2", 1) && \
+ (__b44_readphy(bp, 0, MII_BMCR, &val) != 0) && \
+ (val & BMCR_ISOLATE) && \
+ /*
+ * workaround for bad hardware design in Linksys WAP54G v1.0
+ * see https://dev.openwrt.org/ticket/146
+ * check and reset bit "isolate"
+ */
+ if ((bp->pdev->device == PCI_DEVICE_ID_BCM4713) &&
+ (atoi(nvram_get("boardnum")) == 2) &&
+ (__b44_readphy(bp, 0, MII_BMCR, &val) == 0) &&
+ (val & BMCR_ISOLATE) &&
+ (__b44_writephy(bp, 0, MII_BMCR, val & ~BMCR_ISOLATE) != 0)) {
+ printk(KERN_WARNING PFX "PHY: cannot reset MII transceiver isolate bit.\n");
+ }
@ -175,7 +210,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
if ((err = b44_readphy(bp, B44_MII_ALEDCTRL, &val)) != 0)
goto out;
if ((err = b44_writephy(bp, B44_MII_ALEDCTRL,
@@ -534,6 +585,19 @@
@@ -534,6 +613,19 @@
{
u32 bmsr, aux;
@ -195,7 +230,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
if (!b44_readphy(bp, MII_BMSR, &bmsr) &&
!b44_readphy(bp, B44_MII_AUXCTRL, &aux) &&
(bmsr != 0xffff)) {
@@ -1281,9 +1345,10 @@
@@ -1281,9 +1373,10 @@
bw32(bp, B44_DMARX_CTRL, 0);
bp->rx_prod = bp->rx_cons = 0;
} else {
@ -209,7 +244,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
}
ssb_core_reset(bp);
@@ -1291,8 +1356,14 @@
@@ -1291,8 +1384,14 @@
b44_clear_stats(bp);
/* Make PHY accessible. */
@ -225,7 +260,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
br32(bp, B44_MDIO_CTRL);
if (!(br32(bp, B44_DEVCTRL) & DEVCTRL_IPP)) {
@@ -1834,18 +1905,297 @@
@@ -1834,18 +1933,297 @@
.get_perm_addr = ethtool_op_get_perm_addr,
};
@ -527,14 +562,12 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
out:
return err;
}
@@ -1865,22 +2215,43 @@
@@ -1865,22 +2243,54 @@
static int __devinit b44_get_invariants(struct b44 *bp)
{
u8 eeprom[128];
- int err;
+ u8 buf[32];
+ int err = 0;
-
- err = b44_read_eeprom(bp, &eeprom[0]);
- if (err)
- goto out;
@ -546,7 +579,9 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
- bp->dev->dev_addr[4] = eeprom[83];
- bp->dev->dev_addr[5] = eeprom[82];
- memcpy(bp->dev->perm_addr, bp->dev->dev_addr, bp->dev->addr_len);
-
+ u8 buf[32];
+ int err = 0;
- bp->phy_addr = eeprom[90] & 0x1f;
+#ifdef CONFIG_BCM947XX
+ if (bp->pdev->device == PCI_DEVICE_ID_BCM4713) {
@ -555,7 +590,18 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
+ * a NVRAM area somewhere in the flash memory.
+ */
+ sprintf(buf, "et%dmacaddr", b44_4713_instance);
+ e_aton(nvram_get(buf), bp->dev->dev_addr);
+ if (nvram_get(buf)) {
+ e_aton(nvram_get(buf), bp->dev->dev_addr);
+ } else {
+ /*
+ * Getting the MAC out of NVRAM failed. To make it work
+ * here, we simply rely on the bootloader to write the
+ * MAC into the CAM.
+ */
+ spin_lock_irqsave(&bp->lock, flags);
+ __b44_cam_read(bp, bp->dev->dev_addr, 0);
+ spin_unlock_irqrestore(&bp->lock, flags);
+ }
+ /*
+ * BCM47xx boards don't have a PHY. Usually there is a switch
@ -585,7 +631,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
/* With this, plus the rx_header prepended to the data by the
* hardware, we'll land the ethernet header on a 2-byte boundary.
*/
@@ -1889,11 +2260,7 @@
@@ -1889,11 +2299,7 @@
bp->imask = IMASK_DEF;
bp->core_unit = ssb_core_unit(bp);
@ -597,7 +643,7 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
out:
return err;
}
@@ -2032,11 +2399,17 @@
@@ -2032,11 +2438,17 @@
pci_save_state(bp->pdev);
@ -617,8 +663,8 @@ diff -urN linux.old/drivers/net/b44.c linux.dev/drivers/net/b44.c
err_out_iounmap:
diff -urN linux.old/drivers/net/b44.h linux.dev/drivers/net/b44.h
--- linux.old/drivers/net/b44.h 2006-01-12 01:44:42.548326000 +0100
+++ linux.dev/drivers/net/b44.h 2006-01-12 02:55:06.290783500 +0100
--- linux.old/drivers/net/b44.h 2006-01-16 20:35:09.255797750 +0100
+++ linux.dev/drivers/net/b44.h 2006-01-16 20:30:30.566380750 +0100
@@ -292,6 +292,10 @@
#define SSB_PCI_MASK1 0xfc000000
#define SSB_PCI_MASK2 0xc0000000