update brcm-2.4 b44 bcm47xx support patch, add fixes from #205

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@2950 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 355 insertions, 24 deletions

diff --git a/openwrt/target/linux/brcm-2.4/patches/008-b44_bcm47xx_support.patch b/openwrt/target/linux/brcm-2.4/patches/008-b44_bcm47xx_support.patch
index ddf4164534..ee356bc2c2 100644
--- a/openwrt/target/linux/brcm-2.4/patches/008-b44_bcm47xx_support.patch
+++ b/openwrt/target/linux/brcm-2.4/patches/008-b44_bcm47xx_support.patch
@@ -1,17 +1,31 @@
---- linux-2.4.32.old/drivers/net/b44.c	2006-01-11 04:41:11.175458750 +0100
-+++ linux-2.4.32/drivers/net/b44.c	2006-01-11 20:19:57.900822500 +0100
-@@ -3,6 +3,7 @@
+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
+@@ -1,7 +1,9 @@
+ /* b44.c: Broadcom 4400 device driver.
+  *
   * Copyright (C) 2002 David S. Miller (davem@redhat.com)
-  * Copyright (C) 2004 Pekka Pietikainen (pp@ee.oulu.fi)
-  * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
+- * 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)
   *
   * Distribute under GPL.
   */
-@@ -36,6 +37,31 @@
- #include <sbchipc.h>
- #include <sflash.h>
+@@ -25,6 +27,41 @@
+ 
+ #include "b44.h"
  
++#include <typedefs.h>
++#include <bcmdevs.h>
++#include <bcmutils.h>
++#include <osl.h>
++#include <bcmutils.h>
++#include <bcmnvram.h>
++#include <sbconfig.h>
++#include <sbchipc.h>
++#include <sflash.h>
++
 +#ifdef CONFIG_BCM947XX
 +#define atoi(str) simple_strtoul(((str != NULL) ? str : ""), NULL, 0)
 + 
@@ -40,24 +54,248 @@
  #define DRV_MODULE_NAME		"b44"
  #define PFX DRV_MODULE_NAME	": "
  #define DRV_MODULE_VERSION	"0.93"
-@@ -285,7 +311,7 @@
+@@ -75,7 +112,7 @@
+ 	DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
+ 
+ MODULE_AUTHOR("David S. Miller (davem@redhat.com)");
+-MODULE_DESCRIPTION("Broadcom 4400 10/100 PCI ethernet driver");
++MODULE_DESCRIPTION("Broadcom 4400/47xx 10/100 PCI ethernet driver");
+ MODULE_LICENSE("GPL");
+ MODULE_PARM(b44_debug, "i");
+ MODULE_PARM_DESC(b44_debug, "B44 bitmapped debugging message enable value");
+@@ -89,6 +126,8 @@
+ 	  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 },
++	{ PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BCM4713,
++	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
+ 	{ }	/* terminate list with empty entry */
+ };
+ 
+@@ -236,6 +275,8 @@
+ 	udelay(1);
+ }
+ 
++static int b44_4713_instance;
++
+ static int ssb_core_unit(struct b44 *bp)
+ {
+ #if 0
+@@ -258,6 +299,9 @@
+ 		break;
+ 	};
+ #endif
++	if (bp->pdev->device == PCI_DEVICE_ID_BCM4713)
++		return b44_4713_instance++;
++	else
+ 	return 0;
+ }
+ 
+@@ -267,6 +311,28 @@
  		== SBTMSLOW_CLOCK);
  }
  
--static void __b44_cam_read(struct b44 *bp, unsigned char *data, int index)
 +static inline void __b44_cam_read(struct b44 *bp, unsigned char *data, int index)
++{
++	u32 val;
++
++	bw32(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(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(B44_CAM_DATA_HI);
++
++	data[0] = (val >> 8) & 0xFF;
++	data[1] = (val >> 0) & 0xFF;
++}
++
+ static void __b44_cam_write(struct b44 *bp, unsigned char *data, int index)
+ {
+ 	u32 val;
+@@ -303,14 +369,14 @@
+ 	bw32(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(B44_EMAC_ISTAT, EMAC_INT_MII);
+ 	bw32(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);
+@@ -319,23 +385,42 @@
+ 	return err;
+ }
+ 
+-static int b44_writephy(struct b44 *bp, int reg, u32 val)
++static 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 int __b44_writephy(struct b44 *bp, int phy_addr, int reg, u32 val)
+ {
+ 	bw32(B44_EMAC_ISTAT, EMAC_INT_MII);
+ 	bw32(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 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);
++}
++
+ static int b44_phy_reset(struct b44 *bp)
  {
  	u32 val;
+ 	int err;
  
-@@ -1751,10 +1777,18 @@
++	if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
++		return 0;
++
+ 	err = b44_writephy(bp, MII_BMCR, BMCR_RESET);
+ 	if (err)
+ 		return err;
+@@ -405,6 +490,18 @@
+ {
+ 	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) && \
++			(__b44_writephy(bp, 0, MII_BMCR, val & ~BMCR_ISOLATE) != 0)) {
++		printk(KERN_WARNING PFX "PHY: cannot reset MII transceiver isolate bit.\n");
++	}
++	
++	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 @@
+ {
+ 	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(B44_TX_CTRL);
++			val |= TX_CTRL_DUPLEX;
++			bw32(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)) {
+@@ -1092,6 +1202,8 @@
+ /* bp->lock is held. */
+ static void b44_chip_reset(struct b44 *bp)
+ {
++	unsigned int sb_clock;
++
+ 	if (ssb_is_core_up(bp)) {
+ 		bw32(B44_RCV_LAZY, 0);
+ 		bw32(B44_ENET_CTRL, ENET_CTRL_DISABLE);
+@@ -1105,9 +1217,10 @@
+ 		bw32(B44_DMARX_CTRL, 0);
+ 		bp->rx_prod = bp->rx_cons = 0;
+ 	} else {
+-		ssb_pci_setup(bp, (bp->core_unit == 0 ?
+-				   SBINTVEC_ENET0 :
+-				   SBINTVEC_ENET1));
++		/*if (bp->pdev->device != PCI_DEVICE_ID_BCM4713)*/
++			ssb_pci_setup(bp, (bp->core_unit == 0 ?
++				   	SBINTVEC_ENET0 :
++				   	SBINTVEC_ENET1));
+ 	}
+ 
+ 	ssb_core_reset(bp);
+@@ -1115,6 +1228,11 @@
+ 	b44_clear_stats(bp);
+ 
+ 	/* Make PHY accessible. */
++	if (bp->pdev->device == PCI_DEVICE_ID_BCM4713)
++		sb_clock = 100000000; /* 100 MHz */
++	else
++		sb_clock = 62500000; /* 62.5 MHz */
++
+ 	bw32(B44_MDIO_CTRL, (MDIO_CTRL_PREAMBLE |
+ 			     (0x0d & MDIO_CTRL_MAXF_MASK)));
+ 	br32(B44_MDIO_CTRL);
+@@ -1628,7 +1746,7 @@
+ 		u32 mii_regval;
+ 
+ 		spin_lock_irq(&bp->lock);
+-		err = b44_readphy(bp, data->reg_num & 0x1f, &mii_regval);
++		err = __b44_readphy(bp, data->phy_id & 0x1f, data->reg_num & 0x1f, &mii_regval);
+ 		spin_unlock_irq(&bp->lock);
+ 
+ 		data->val_out = mii_regval;
+@@ -1641,7 +1759,7 @@
+ 			return -EPERM;
+ 
+ 		spin_lock_irq(&bp->lock);
+-		err = b44_writephy(bp, data->reg_num & 0x1f, data->val_in);
++		err = __b44_writephy(bp, data->phy_id & 0x1f, data->reg_num & 0x1f, data->val_in);
+ 		spin_unlock_irq(&bp->lock);
+ 
+ 		return err;
+@@ -1668,21 +1786,52 @@
  static int __devinit b44_get_invariants(struct b44 *bp)
  {
  	u8 eeprom[128];
 +	u8 buf[32];
  	int err;
- 	unsigned long flags;
++	unsigned long flags;
  
- 	if (bp->pdev->device == PCI_DEVICE_ID_BCM4713) {
+-	err = b44_read_eeprom(bp, &eeprom[0]);
+-	if (err)
+-		goto out;
+-
+-	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);
@@ -65,18 +303,60 @@
 +		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
-@@ -1771,6 +1805,7 @@
- 		 * chip with multiple PHYs connected to the PHY port.
- 		 */
- 		bp->phy_addr = B44_PHY_ADDR_NO_PHY;
++		/*
++		 * 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]);
-@@ -1814,6 +1849,10 @@
++		bp->dma_offset = 0;
++	} else {
++		err = b44_read_eeprom(bp, &eeprom[0]);
++		if (err)
++			return err;
++
++		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->dma_offset = SB_PCI_DMA;
++		bp->mdc_port = (eeprom[90] >> 14) & 0x1;
++	}
+ 
+ 	/* 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 @@
+ 	bp->imask = IMASK_DEF;
+ 
+ 	bp->core_unit = ssb_core_unit(bp);
+-	bp->dma_offset = ssb_get_addr(bp, SBID_PCI_DMA, 0);
+ 
+ 	/* XXX - really required? 
+ 	   bp->flags |= B44_FLAG_BUGGY_TXPTR;
+          */
+-out:
+-	return err;
++
++	return 0;
+ }
+ 
+ static int __devinit b44_init_one(struct pci_dev *pdev,
+@@ -1710,6 +1858,10 @@
  	struct b44 *bp;
  	int err, i;
  
@@ -87,3 +367,54 @@
  	if (b44_version_printed++ == 0)
  		printk(KERN_INFO "%s", version);
  
+@@ -1819,11 +1971,17 @@
+ 
+ 	pci_save_state(bp->pdev, bp->pci_cfg_state);
+ 
+-	printk(KERN_INFO "%s: Broadcom 4400 10/100BaseT Ethernet ", dev->name);
++	printk(KERN_INFO "%s: Broadcom %s 10/100BaseT Ethernet ", dev->name,
++		(pdev->device == PCI_DEVICE_ID_BCM4713) ? "47xx" : "4400");
+ 	for (i = 0; i < 6; i++)
+ 		printk("%2.2x%c", dev->dev_addr[i],
+ 		       i == 5 ? '\n' : ':');
+ 
++	/* Initialize phy */
++	spin_lock_irq(&bp->lock);
++	b44_chip_reset(bp);
++	spin_unlock_irq(&bp->lock);
++	
+ 	return 0;
+ 
+ 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
+@@ -229,8 +229,6 @@
+ #define  SBIPSFLAG_IMASK4	0x3f000000 /* Which sbflags --> mips interrupt 4 */
+ #define  SBIPSFLAG_ISHIFT4	24
+ #define B44_SBTPSFLAG	0x0F18UL /* SB Target Port OCP Slave Flag */
+-#define  SBTPS_NUM0_MASK	0x0000003f
+-#define  SBTPS_F0EN0		0x00000040
+ #define B44_SBADMATCH3	0x0F60UL /* SB Address Match 3 */
+ #define B44_SBADMATCH2	0x0F68UL /* SB Address Match 2 */
+ #define B44_SBADMATCH1	0x0F70UL /* SB Address Match 1 */
+@@ -461,6 +459,8 @@
+ };
+ 
+ #define B44_MCAST_TABLE_SIZE	32
++#define B44_PHY_ADDR_NO_PHY	30
++#define B44_MDC_RATIO		5000000
+ 
+ /* 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 @@
+ #define PCI_DEVICE_ID_TIGON3_5901_2	0x170e
+ #define PCI_DEVICE_ID_BCM4401		0x4401
+ #define PCI_DEVICE_ID_BCM4401B0		0x4402
++#define PCI_DEVICE_ID_BCM4713		0x4713
+ 
+ #define PCI_VENDOR_ID_ENE		0x1524
+ #define PCI_DEVICE_ID_ENE_1211		0x1211