More SSB GigE fixes.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10521 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 396 insertions, 26 deletions

diff --git a/target/linux/brcm47xx/patches-2.6.23/700-ssb-gigabit-ethernet-driver.patch b/target/linux/brcm47xx/patches-2.6.23/700-ssb-gigabit-ethernet-driver.patch
index 2095765d67..2b31d69124 100644
--- a/target/linux/brcm47xx/patches-2.6.23/700-ssb-gigabit-ethernet-driver.patch
+++ b/target/linux/brcm47xx/patches-2.6.23/700-ssb-gigabit-ethernet-driver.patch
@@ -1,7 +1,7 @@
 Index: linux-2.6.23.16/drivers/ssb/Kconfig
 ===================================================================
---- linux-2.6.23.16.orig/drivers/ssb/Kconfig	2008-02-20 18:32:01.000000000 +0100
-+++ linux-2.6.23.16/drivers/ssb/Kconfig	2008-02-20 18:32:31.000000000 +0100
+--- linux-2.6.23.16.orig/drivers/ssb/Kconfig	2008-02-22 19:40:57.000000000 +0100
++++ linux-2.6.23.16/drivers/ssb/Kconfig	2008-02-22 19:42:52.000000000 +0100
 @@ -120,4 +120,13 @@ config SSB_DRIVER_EXTIF
  
  	  If unsure, say N
@@ -18,8 +18,8 @@ Index: linux-2.6.23.16/drivers/ssb/Kconfig
  endmenu
 Index: linux-2.6.23.16/drivers/ssb/Makefile
 ===================================================================
---- linux-2.6.23.16.orig/drivers/ssb/Makefile	2008-02-20 18:32:01.000000000 +0100
-+++ linux-2.6.23.16/drivers/ssb/Makefile	2008-02-20 18:32:31.000000000 +0100
+--- linux-2.6.23.16.orig/drivers/ssb/Makefile	2008-02-22 19:40:57.000000000 +0100
++++ linux-2.6.23.16/drivers/ssb/Makefile	2008-02-22 19:42:52.000000000 +0100
 @@ -11,6 +11,7 @@ ssb-y					+= driver_chipcommon.o
  ssb-$(CONFIG_SSB_DRIVER_MIPS)		+= driver_mipscore.o
  ssb-$(CONFIG_SSB_DRIVER_EXTIF)		+= driver_extif.o
@@ -31,8 +31,8 @@ Index: linux-2.6.23.16/drivers/ssb/Makefile
 Index: linux-2.6.23.16/drivers/ssb/driver_gige.c
 ===================================================================
 --- /dev/null	1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23.16/drivers/ssb/driver_gige.c	2008-02-20 18:32:31.000000000 +0100
-@@ -0,0 +1,268 @@
++++ linux-2.6.23.16/drivers/ssb/driver_gige.c	2008-02-22 20:59:46.000000000 +0100
+@@ -0,0 +1,281 @@
 +/*
 + * Sonics Silicon Backplane
 + * Broadcom Gigabit Ethernet core driver
@@ -202,7 +202,7 @@ Index: linux-2.6.23.16/drivers/ssb/driver_gige.c
 +static int ssb_gige_probe(struct ssb_device *sdev, const struct ssb_device_id *id)
 +{
 +	struct ssb_gige *dev;
-+	u32 base;
++	u32 base, tmslow, tmshigh;
 +
 +	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 +	if (!dev)
@@ -213,12 +213,11 @@ Index: linux-2.6.23.16/drivers/ssb/driver_gige.c
 +	dev->pci_controller.pci_ops = &dev->pci_ops;
 +	dev->pci_controller.io_resource = &dev->io_resource;
 +	dev->pci_controller.mem_resource = &dev->mem_resource;
-+	dev->pci_controller.mem_offset = 0x24000000;
 +	dev->pci_controller.io_map_base = 0x800;
 +	dev->pci_ops.read = ssb_gige_pci_read_config;
 +	dev->pci_ops.write = ssb_gige_pci_write_config;
 +
-+	dev->io_resource.name = "SSB GIGE I/O";
++	dev->io_resource.name = SSB_GIGE_IO_RES_NAME;
 +	dev->io_resource.start = 0x800;
 +	dev->io_resource.end = 0x8FF;
 +	dev->io_resource.flags = IORESOURCE_IO | IORESOURCE_PCI_FIXED;
@@ -231,9 +230,9 @@ Index: linux-2.6.23.16/drivers/ssb/driver_gige.c
 +	gige_pcicfg_write32(dev, PCI_BASE_ADDRESS_0, base);
 +	gige_pcicfg_write32(dev, PCI_BASE_ADDRESS_1, 0);
 +
-+	dev->mem_resource.name = "SSB GIGE memory";
++	dev->mem_resource.name = SSB_GIGE_MEM_RES_NAME;
 +	dev->mem_resource.start = base;
-+	dev->mem_resource.end = base + SSB_CORE_SIZE - 1;
++	dev->mem_resource.end = base + 0x10000 - 1;
 +	dev->mem_resource.flags = IORESOURCE_MEM | IORESOURCE_PCI_FIXED;
 +
 +	/* Enable the memory region. */
@@ -249,7 +248,21 @@ Index: linux-2.6.23.16/drivers/ssb/driver_gige.c
 +	 */
 +	gige_write32(dev, SSB_GIGE_SHIM_FLUSHSTAT, 0x00000068);
 +
-+	//TODO
++	/* Check if we have an RGMII or GMII PHY-bus.
++	 * On RGMII do not bypass the DLLs */
++	tmslow = ssb_read32(sdev, SSB_TMSLOW);
++	tmshigh = ssb_read32(sdev, SSB_TMSHIGH);
++	if (tmshigh & SSB_GIGE_TMSHIGH_RGMII) {
++		tmslow &= ~SSB_GIGE_TMSLOW_TXBYPASS;
++		tmslow &= ~SSB_GIGE_TMSLOW_RXBYPASS;
++		dev->has_rgmii = 1;
++	} else {
++		tmslow |= SSB_GIGE_TMSLOW_TXBYPASS;
++		tmslow |= SSB_GIGE_TMSLOW_RXBYPASS;
++		dev->has_rgmii = 0;
++	}
++	tmslow |= SSB_GIGE_TMSLOW_DLLEN;
++	ssb_write32(sdev, SSB_TMSLOW, tmslow);
 +
 +	ssb_set_drvdata(sdev, dev);
 +	register_pci_controller(&dev->pci_controller);
@@ -304,16 +317,19 @@ Index: linux-2.6.23.16/drivers/ssb/driver_gige.c
 Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_gige.h
 ===================================================================
 --- /dev/null	1970-01-01 00:00:00.000000000 +0000
-+++ linux-2.6.23.16/include/linux/ssb/ssb_driver_gige.h	2008-02-20 18:32:31.000000000 +0100
-@@ -0,0 +1,70 @@
++++ linux-2.6.23.16/include/linux/ssb/ssb_driver_gige.h	2008-02-22 20:47:58.000000000 +0100
+@@ -0,0 +1,178 @@
 +#ifndef LINUX_SSB_DRIVER_GIGE_H_
 +#define LINUX_SSB_DRIVER_GIGE_H_
 +
++#include <linux/ssb/ssb.h>
 +#include <linux/pci.h>
 +#include <linux/spinlock.h>
 +
++
 +#ifdef CONFIG_SSB_DRIVER_GIGE
 +
++
 +#define SSB_GIGE_PCIIO			0x0000 /* PCI I/O Registers (1024 bytes) */
 +#define SSB_GIGE_RESERVED		0x0400 /* Reserved (1024 bytes) */
 +#define SSB_GIGE_PCICFG			0x0800 /* PCI config space (256 bytes) */
@@ -324,11 +340,29 @@ Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_gige.h
 +#define SSB_GIGE_SHIM_MAOCPSI		0x0C10 /* PCI to OCP: MaocpSI Control (32bit) */
 +#define SSB_GIGE_SHIM_SIOCPMA		0x0C14 /* PCI to OCP: SiocpMa Control (32bit) */
 +
++/* TM Status High flags */
++#define SSB_GIGE_TMSHIGH_RGMII		0x00010000 /* Have an RGMII PHY-bus */
++/* TM Status Low flags */
++#define SSB_GIGE_TMSLOW_TXBYPASS	0x00080000 /* TX bypass (no delay) */
++#define SSB_GIGE_TMSLOW_RXBYPASS	0x00100000 /* RX bypass (no delay) */
++#define SSB_GIGE_TMSLOW_DLLEN		0x01000000 /* Enable DLL controls */
++
++/* Boardflags (low) */
++#define SSB_GIGE_BFL_ROBOSWITCH		0x0010
++
++
++#define SSB_GIGE_MEM_RES_NAME		"SSB Broadcom 47xx GigE memory"
++#define SSB_GIGE_IO_RES_NAME		"SSB Broadcom 47xx GigE I/O"
++
 +struct ssb_gige {
 +	struct ssb_device *dev;
 +
 +	spinlock_t lock;
 +
++	/* True, if the device has an RGMII bus.
++	 * False, if the device has a GMII bus. */
++	bool has_rgmii;
++
 +	/* The PCI controller device. */
 +	struct pci_controller pci_controller;
 +	struct pci_ops pci_ops;
@@ -336,6 +370,68 @@ Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_gige.h
 +	struct resource io_resource;
 +};
 +
++/* Check whether a PCI device is a SSB Gigabit Ethernet core. */
++static inline bool pdev_is_ssb_gige_core(struct pci_dev *pdev)
++{
++	return (pdev->resource[0].name &&
++		strcmp(pdev->resource[0].name, SSB_GIGE_MEM_RES_NAME) == 0);
++}
++
++/* Convert a pci_dev pointer to a ssb_gige pointer. */
++static inline struct ssb_gige * pdev_to_ssb_gige(struct pci_dev *pdev)
++{
++	if (!pdev_is_ssb_gige_core(pdev))
++		return NULL;
++	return container_of(pdev->bus->ops, struct ssb_gige, pci_ops);
++}
++
++/* Returns whether the PHY is connected by an RGMII bus. */
++static inline bool ssb_gige_is_rgmii(struct pci_dev *pdev)
++{
++	struct ssb_gige *dev = pdev_to_ssb_gige(pdev);
++	return (dev ? dev->has_rgmii : 0);
++}
++
++/* Returns whether we have a Roboswitch. */
++static inline bool ssb_gige_have_roboswitch(struct pci_dev *pdev)
++{
++	struct ssb_gige *dev = pdev_to_ssb_gige(pdev);
++	if (dev)
++		return !!(dev->dev->bus->sprom.boardflags_lo &
++			  SSB_GIGE_BFL_ROBOSWITCH);
++	return 0;
++}
++
++/* Returns whether we can only do one DMA at once. */
++static inline bool ssb_gige_one_dma_at_once(struct pci_dev *pdev)
++{
++	struct ssb_gige *dev = pdev_to_ssb_gige(pdev);
++	if (dev)
++		return ((dev->dev->bus->chip_id == 0x4785) &&
++			(dev->dev->bus->chip_rev < 2));
++	return 0;
++}
++
++/* Returns whether we must flush posted writes. */
++static inline bool ssb_gige_must_flush_posted_writes(struct pci_dev *pdev)
++{
++	struct ssb_gige *dev = pdev_to_ssb_gige(pdev);
++	if (dev)
++		return (dev->dev->bus->chip_id == 0x4785);
++	return 0;
++}
++
++extern char * nvram_get(const char *name); //FIXME
++/* Get the device MAC address */
++static inline void ssb_gige_get_macaddr(struct pci_dev *pdev, u8 *macaddr)
++{
++#ifdef CONFIG_BCM947XX
++	char *res = nvram_get("et0macaddr"); //FIXME
++	if (res)
++		memcpy(macaddr, res, 6);
++#endif
++}
++
 +extern int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev,
 +					  struct pci_dev *pdev);
 +extern int ssb_gige_map_irq(struct ssb_device *sdev,
@@ -374,12 +470,37 @@ Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_gige.h
 +{
 +}
 +
++static inline bool pdev_is_ssb_gige_core(struct pci_dev *pdev)
++{
++	return 0;
++}
++static inline struct ssb_gige * pdev_to_ssb_gige(struct pci_dev *pdev)
++{
++	return NULL;
++}
++static inline bool ssb_gige_is_rgmii(struct pci_dev *pdev)
++{
++	return 0;
++}
++static inline bool ssb_gige_have_roboswitch(struct pci_dev *pdev)
++{
++	return 0;
++}
++static inline bool ssb_gige_one_dma_at_once(struct pci_dev *pdev)
++{
++	return 0;
++}
++static inline bool ssb_gige_must_flush_posted_writes(struct pci_dev *pdev)
++{
++	return 0;
++}
++
 +#endif /* CONFIG_SSB_DRIVER_GIGE */
 +#endif /* LINUX_SSB_DRIVER_GIGE_H_ */
 Index: linux-2.6.23.16/drivers/ssb/driver_pcicore.c
 ===================================================================
---- linux-2.6.23.16.orig/drivers/ssb/driver_pcicore.c	2008-02-20 18:32:01.000000000 +0100
-+++ linux-2.6.23.16/drivers/ssb/driver_pcicore.c	2008-02-20 18:32:31.000000000 +0100
+--- linux-2.6.23.16.orig/drivers/ssb/driver_pcicore.c	2008-02-22 19:40:57.000000000 +0100
++++ linux-2.6.23.16/drivers/ssb/driver_pcicore.c	2008-02-22 19:42:52.000000000 +0100
 @@ -60,74 +60,6 @@ static DEFINE_SPINLOCK(cfgspace_lock);
  /* Core to access the external PCI config space. Can only have one. */
  static struct ssb_pcicore *extpci_core;
@@ -550,8 +671,8 @@ Index: linux-2.6.23.16/drivers/ssb/driver_pcicore.c
  	u32 val;
 Index: linux-2.6.23.16/drivers/ssb/embedded.c
 ===================================================================
---- linux-2.6.23.16.orig/drivers/ssb/embedded.c	2008-02-20 18:32:01.000000000 +0100
-+++ linux-2.6.23.16/drivers/ssb/embedded.c	2008-02-20 18:32:31.000000000 +0100
+--- linux-2.6.23.16.orig/drivers/ssb/embedded.c	2008-02-22 19:40:57.000000000 +0100
++++ linux-2.6.23.16/drivers/ssb/embedded.c	2008-02-22 19:42:52.000000000 +0100
 @@ -10,6 +10,9 @@
  
  #include <linux/ssb/ssb.h>
@@ -655,8 +776,8 @@ Index: linux-2.6.23.16/drivers/ssb/embedded.c
 +}
 Index: linux-2.6.23.16/include/linux/ssb/ssb.h
 ===================================================================
---- linux-2.6.23.16.orig/include/linux/ssb/ssb.h	2008-02-20 18:32:01.000000000 +0100
-+++ linux-2.6.23.16/include/linux/ssb/ssb.h	2008-02-20 18:32:31.000000000 +0100
+--- linux-2.6.23.16.orig/include/linux/ssb/ssb.h	2008-02-22 19:40:57.000000000 +0100
++++ linux-2.6.23.16/include/linux/ssb/ssb.h	2008-02-22 19:42:52.000000000 +0100
 @@ -422,5 +422,12 @@ extern int ssb_bus_powerup(struct ssb_bu
  extern u32 ssb_admatch_base(u32 adm);
  extern u32 ssb_admatch_size(u32 adm);
@@ -672,8 +793,8 @@ Index: linux-2.6.23.16/include/linux/ssb/ssb.h
  #endif /* LINUX_SSB_H_ */
 Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_pci.h
 ===================================================================
---- linux-2.6.23.16.orig/include/linux/ssb/ssb_driver_pci.h	2008-02-20 18:32:01.000000000 +0100
-+++ linux-2.6.23.16/include/linux/ssb/ssb_driver_pci.h	2008-02-20 18:32:31.000000000 +0100
+--- linux-2.6.23.16.orig/include/linux/ssb/ssb_driver_pci.h	2008-02-22 19:40:57.000000000 +0100
++++ linux-2.6.23.16/include/linux/ssb/ssb_driver_pci.h	2008-02-22 19:42:52.000000000 +0100
 @@ -1,6 +1,11 @@
  #ifndef LINUX_SSB_PCICORE_H_
  #define LINUX_SSB_PCICORE_H_
@@ -715,8 +836,8 @@ Index: linux-2.6.23.16/include/linux/ssb/ssb_driver_pci.h
  #endif /* LINUX_SSB_PCICORE_H_ */
 Index: linux-2.6.23.16/drivers/ssb/main.c
 ===================================================================
---- linux-2.6.23.16.orig/drivers/ssb/main.c	2008-02-20 18:32:01.000000000 +0100
-+++ linux-2.6.23.16/drivers/ssb/main.c	2008-02-20 18:32:31.000000000 +0100
+--- linux-2.6.23.16.orig/drivers/ssb/main.c	2008-02-22 19:40:57.000000000 +0100
++++ linux-2.6.23.16/drivers/ssb/main.c	2008-02-22 19:42:52.000000000 +0100
 @@ -14,6 +14,7 @@
  #include <linux/io.h>
  #include <linux/ssb/ssb.h>
@@ -777,8 +898,8 @@ Index: linux-2.6.23.16/drivers/ssb/main.c
  }
 Index: linux-2.6.23.16/drivers/ssb/ssb_private.h
 ===================================================================
---- linux-2.6.23.16.orig/drivers/ssb/ssb_private.h	2008-02-20 18:32:01.000000000 +0100
-+++ linux-2.6.23.16/drivers/ssb/ssb_private.h	2008-02-20 18:32:31.000000000 +0100
+--- linux-2.6.23.16.orig/drivers/ssb/ssb_private.h	2008-02-22 19:40:57.000000000 +0100
++++ linux-2.6.23.16/drivers/ssb/ssb_private.h	2008-02-22 19:42:52.000000000 +0100
 @@ -118,6 +118,8 @@ extern u32 ssb_calc_clock_rate(u32 pllty
  extern int ssb_devices_freeze(struct ssb_bus *bus);
  extern int ssb_devices_thaw(struct ssb_bus *bus);
@@ -788,3 +909,252 @@ Index: linux-2.6.23.16/drivers/ssb/ssb_private.h
  
  /* b43_pci_bridge.c */
  #ifdef CONFIG_SSB_PCIHOST
+Index: linux-2.6.23.16/drivers/net/tg3.c
+===================================================================
+--- linux-2.6.23.16.orig/drivers/net/tg3.c	2008-02-22 19:40:57.000000000 +0100
++++ linux-2.6.23.16/drivers/net/tg3.c	2008-02-23 20:02:58.000000000 +0100
+@@ -38,6 +38,7 @@
+ #include <linux/workqueue.h>
+ #include <linux/prefetch.h>
+ #include <linux/dma-mapping.h>
++#include <linux/ssb/ssb_driver_gige.h>
+ 
+ #include <net/checksum.h>
+ #include <net/ip.h>
+@@ -410,8 +411,9 @@ static void _tw32_flush(struct tg3 *tp, 
+ static inline void tw32_mailbox_flush(struct tg3 *tp, u32 off, u32 val)
+ {
+ 	tp->write32_mbox(tp, off, val);
+-	if (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
+-	    !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND))
++	if ((tp->tg3_flags3 & TG3_FLG3_FLUSH_POSTED_WRITES) ||
++	    (!(tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER) &&
++	     !(tp->tg3_flags2 & TG3_FLG2_ICH_WORKAROUND)))
+ 		tp->read32_mbox(tp, off);
+ }
+ 
+@@ -1988,6 +1990,14 @@ static int tg3_setup_copper_phy(struct t
+ 		tp->link_config.active_duplex = current_duplex;
+ 	}
+ 
++	if (tp->tg3_flags3 & TG3_FLG3_ROBOSWITCH) {
++		current_link_up = 1;
++		current_speed = SPEED_1000; //FIXME
++		current_duplex = DUPLEX_FULL;
++		tp->link_config.active_speed = current_speed;
++		tp->link_config.active_duplex = current_duplex;
++	}
++
+ 	if (current_link_up == 1 &&
+ 	    (tp->link_config.active_duplex == DUPLEX_FULL) &&
+ 	    (tp->link_config.autoneg == AUTONEG_ENABLE)) {
+@@ -4813,6 +4823,11 @@ static int tg3_poll_fw(struct tg3 *tp)
+ 	int i;
+ 	u32 val;
+ 
++	if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
++		/* We don't use firmware. */
++		return 0;
++	}
++
+ 	if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906) {
+ 		/* Wait up to 20ms for init done. */
+ 		for (i = 0; i < 200; i++) {
+@@ -5040,6 +5055,14 @@ static int tg3_chip_reset(struct tg3 *tp
+ 		tw32(0x5000, 0x400);
+ 	}
+ 
++	if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
++		/* BCM4785: In order to avoid repercussions from using potentially
++		 * defective internal ROM, stop the Rx RISC CPU, which is not
++		 * required. */
++		tg3_stop_fw(tp);
++		tg3_halt_cpu(tp, RX_CPU_BASE);
++	}
++
+ 	tw32(GRC_MODE, tp->grc_mode);
+ 
+ 	if (tp->pci_chip_rev_id == CHIPREV_ID_5705_A0) {
+@@ -5308,9 +5331,12 @@ static int tg3_halt_cpu(struct tg3 *tp, 
+ 		return -ENODEV;
+ 	}
+ 
+-	/* Clear firmware's nvram arbitration. */
+-	if (tp->tg3_flags & TG3_FLAG_NVRAM)
+-		tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
++	if (!(tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE)) {
++		/* Clear firmware's nvram arbitration. */
++		if (tp->tg3_flags & TG3_FLAG_NVRAM)
++			tw32(NVRAM_SWARB, SWARB_REQ_CLR0);
++	}
++
+ 	return 0;
+ }
+ 
+@@ -5391,6 +5417,11 @@ static int tg3_load_5701_a0_firmware_fix
+ 	struct fw_info info;
+ 	int err, i;
+ 
++	if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
++		/* We don't use firmware. */
++		return 0;
++	}
++
+ 	info.text_base = TG3_FW_TEXT_ADDR;
+ 	info.text_len = TG3_FW_TEXT_LEN;
+ 	info.text_data = &tg3FwText[0];
+@@ -5949,6 +5980,11 @@ static int tg3_load_tso_firmware(struct 
+ 	unsigned long cpu_base, cpu_scratch_base, cpu_scratch_size;
+ 	int err, i;
+ 
++	if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
++		/* We don't use firmware. */
++		return 0;
++	}
++
+ 	if (tp->tg3_flags2 & TG3_FLG2_HW_TSO)
+ 		return 0;
+ 
+@@ -6850,6 +6886,11 @@ static void tg3_timer(unsigned long __op
+ 
+ 	spin_lock(&tp->lock);
+ 
++	if (tp->tg3_flags3 & TG3_FLG3_FLUSH_POSTED_WRITES) {
++		/* BCM4785: Flush posted writes from GbE to host memory. */
++		tr32(HOSTCC_MODE);
++	}
++
+ 	if (!(tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)) {
+ 		/* All of this garbage is because when using non-tagged
+ 		 * IRQ status the mailbox/status_block protocol the chip
+@@ -8432,6 +8473,11 @@ static int tg3_test_nvram(struct tg3 *tp
+ 	u32 *buf, csum, magic;
+ 	int i, j, err = 0, size;
+ 
++	if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
++		/* We don't have NVRAM. */
++		return 0;
++	}
++
+ 	if (tg3_nvram_read_swab(tp, 0, &magic) != 0)
+ 		return -EIO;
+ 
+@@ -9571,6 +9617,12 @@ static void __devinit tg3_get_5906_nvram
+ /* Chips other than 5700/5701 use the NVRAM for fetching info. */
+ static void __devinit tg3_nvram_init(struct tg3 *tp)
+ {
++	if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE) {
++		/* No NVRAM and EEPROM on the SSB Broadcom GigE core. */
++		tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
++		return;
++	}
++
+ 	tw32_f(GRC_EEPROM_ADDR,
+ 	     (EEPROM_ADDR_FSM_RESET |
+ 	      (EEPROM_DEFAULT_CLOCK_PERIOD <<
+@@ -9706,6 +9758,9 @@ static int tg3_nvram_read(struct tg3 *tp
+ {
+ 	int ret;
+ 
++	if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE)
++		return -ENODEV;
++
+ 	if (!(tp->tg3_flags & TG3_FLAG_NVRAM))
+ 		return tg3_nvram_read_using_eeprom(tp, offset, val);
+ 
+@@ -9938,6 +9993,9 @@ static int tg3_nvram_write_block(struct 
+ {
+ 	int ret;
+ 
++	if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE)
++		return -ENODEV;
++
+ 	if (tp->tg3_flags & TG3_FLAG_EEPROM_WRITE_PROT) {
+ 		tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl &
+ 		       ~GRC_LCLCTRL_GPIO_OUTPUT1);
+@@ -10804,7 +10862,6 @@ static int __devinit tg3_get_invariants(
+ 		tp->write32 = tg3_write_flush_reg32;
+ 	}
+ 
+-
+ 	if ((tp->tg3_flags & TG3_FLAG_TXD_MBOX_HWBUG) ||
+ 	    (tp->tg3_flags & TG3_FLAG_MBOX_WRITE_REORDER)) {
+ 		tp->write32_tx_mbox = tg3_write32_tx_mbox;
+@@ -10840,6 +10897,11 @@ static int __devinit tg3_get_invariants(
+ 	      GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)))
+ 		tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
+ 
++	if (tp->tg3_flags3 & TG3_FLG3_FLUSH_POSTED_WRITES) {
++		tp->write32_tx_mbox = tg3_write_flush_reg32;
++		tp->write32_rx_mbox = tg3_write_flush_reg32;
++	}
++
+ 	/* Get eeprom hw config before calling tg3_set_power_state().
+ 	 * In particular, the TG3_FLG2_IS_NIC flag must be
+ 	 * determined before calling tg3_set_power_state() so that
+@@ -11184,6 +11246,10 @@ static int __devinit tg3_get_device_addr
+ 	}
+ 
+ 	if (!is_valid_ether_addr(&dev->dev_addr[0])) {
++		if (tp->tg3_flags3 & TG3_FLG3_IS_SSB_CORE)
++			ssb_gige_get_macaddr(tp->pdev, &dev->dev_addr[0]);
++	}
++	if (!is_valid_ether_addr(&dev->dev_addr[0])) {
+ #ifdef CONFIG_SPARC64
+ 		if (!tg3_get_default_macaddr_sparc(tp))
+ 			return 0;
+@@ -11675,6 +11741,7 @@ static char * __devinit tg3_phy_string(s
+ 	case PHY_ID_BCM5704:	return "5704";
+ 	case PHY_ID_BCM5705:	return "5705";
+ 	case PHY_ID_BCM5750:	return "5750";
++	case PHY_ID_BCM5750_2:	return "5750-2";
+ 	case PHY_ID_BCM5752:	return "5752";
+ 	case PHY_ID_BCM5714:	return "5714";
+ 	case PHY_ID_BCM5780:	return "5780";
+@@ -11859,6 +11926,13 @@ static int __devinit tg3_init_one(struct
+ 		tp->msg_enable = tg3_debug;
+ 	else
+ 		tp->msg_enable = TG3_DEF_MSG_ENABLE;
++	if (pdev_is_ssb_gige_core(pdev)) {
++		tp->tg3_flags3 |= TG3_FLG3_IS_SSB_CORE;
++		if (ssb_gige_must_flush_posted_writes(pdev))
++			tp->tg3_flags3 |= TG3_FLG3_FLUSH_POSTED_WRITES;
++		if (ssb_gige_have_roboswitch(pdev))
++			tp->tg3_flags3 |= TG3_FLG3_ROBOSWITCH;
++	}
+ 
+ 	/* The word/byte swap controls here control register access byte
+ 	 * swapping.  DMA data byte swapping is controlled in the GRC_MODE
+Index: linux-2.6.23.16/drivers/net/tg3.h
+===================================================================
+--- linux-2.6.23.16.orig/drivers/net/tg3.h	2008-02-22 19:40:57.000000000 +0100
++++ linux-2.6.23.16/drivers/net/tg3.h	2008-02-23 19:35:15.000000000 +0100
+@@ -2279,6 +2279,10 @@ struct tg3 {
+ #define TG3_FLG2_PHY_JITTER_BUG		0x20000000
+ #define TG3_FLG2_NO_FWARE_REPORTED	0x40000000
+ #define TG3_FLG2_PHY_ADJUST_TRIM	0x80000000
++	u32				tg3_flags3;
++#define TG3_FLG3_IS_SSB_CORE		0x00000001
++#define TG3_FLG3_FLUSH_POSTED_WRITES	0x00000002
++#define TG3_FLG3_ROBOSWITCH		0x00000004
+ 
+ 	struct timer_list		timer;
+ 	u16				timer_counter;
+@@ -2333,6 +2337,7 @@ struct tg3 {
+ #define PHY_ID_BCM5714			0x60008340
+ #define PHY_ID_BCM5780			0x60008350
+ #define PHY_ID_BCM5755			0xbc050cc0
++#define PHY_ID_BCM5750_2		0xbc050cd0
+ #define PHY_ID_BCM5787			0xbc050ce0
+ #define PHY_ID_BCM5756			0xbc050ed0
+ #define PHY_ID_BCM5906			0xdc00ac40
+@@ -2364,7 +2369,8 @@ struct tg3 {
+ 	 (X) == PHY_ID_BCM5752 || (X) == PHY_ID_BCM5714 || \
+ 	 (X) == PHY_ID_BCM5780 || (X) == PHY_ID_BCM5787 || \
+ 	 (X) == PHY_ID_BCM5755 || (X) == PHY_ID_BCM5756 || \
+-	 (X) == PHY_ID_BCM5906 || (X) == PHY_ID_BCM8002)
++	 (X) == PHY_ID_BCM5906 || (X) == PHY_ID_BCM8002 || \
++	 (X) == PHY_ID_BCM5750_2)
+ 
+ 	struct tg3_hw_stats		*hw_stats;
+ 	dma_addr_t			stats_mapping;