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authormb <mb@3c298f89-4303-0410-b956-a3cf2f4a3e73>2008-02-23 19:07:12 +0000
committermb <mb@3c298f89-4303-0410-b956-a3cf2f4a3e73>2008-02-23 19:07:12 +0000
commit90344b92f965986521d65cca995a73cde4bebb03 (patch)
treedfbb4d1b3441616dff342f041d6eafb9d58e5467 /target/linux/brcm47xx
parente693bef4a87086ad4882ee8af016d7b69b46ebe5 (diff)
More SSB GigE fixes.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10521 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm47xx')
-rw-r--r--target/linux/brcm47xx/patches-2.6.23/700-ssb-gigabit-ethernet-driver.patch422
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;