Index: linux-2.6.25.4/drivers/ssb/Kconfig =================================================================== --- linux-2.6.25.4.orig/drivers/ssb/Kconfig +++ linux-2.6.25.4/drivers/ssb/Kconfig @@ -125,4 +125,13 @@ config SSB_DRIVER_EXTIF If unsure, say N +config SSB_DRIVER_GIGE + bool "SSB Broadcom Gigabit Ethernet driver" + depends on SSB_PCIHOST_POSSIBLE && SSB_EMBEDDED && MIPS + help + Driver for the Sonics Silicon Backplane attached + Broadcom Gigabit Ethernet. + + If unsure, say N + endmenu Index: linux-2.6.25.4/drivers/ssb/Makefile =================================================================== --- linux-2.6.25.4.orig/drivers/ssb/Makefile +++ linux-2.6.25.4/drivers/ssb/Makefile @@ -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 ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o +ssb-$(CONFIG_SSB_DRIVER_GIGE) += driver_gige.o # b43 pci-ssb-bridge driver # Not strictly a part of SSB, but kept here for convenience Index: linux-2.6.25.4/drivers/ssb/driver_gige.c =================================================================== --- /dev/null +++ linux-2.6.25.4/drivers/ssb/driver_gige.c @@ -0,0 +1,294 @@ +/* + * Sonics Silicon Backplane + * Broadcom Gigabit Ethernet core driver + * + * Copyright 2008, Broadcom Corporation + * Copyright 2008, Michael Buesch + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + +#include +#include +#include +#include + + +/* +MODULE_DESCRIPTION("SSB Broadcom Gigabit Ethernet driver"); +MODULE_AUTHOR("Michael Buesch"); +MODULE_LICENSE("GPL"); +*/ + +static const struct ssb_device_id ssb_gige_tbl[] = { + SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_ETHERNET_GBIT, SSB_ANY_REV), + SSB_DEVTABLE_END +}; +/* MODULE_DEVICE_TABLE(ssb, ssb_gige_tbl); */ + + +static inline u8 gige_read8(struct ssb_gige *dev, u16 offset) +{ + return ssb_read8(dev->dev, offset); +} + +static inline u16 gige_read16(struct ssb_gige *dev, u16 offset) +{ + return ssb_read16(dev->dev, offset); +} + +static inline u32 gige_read32(struct ssb_gige *dev, u16 offset) +{ + return ssb_read32(dev->dev, offset); +} + +static inline void gige_write8(struct ssb_gige *dev, + u16 offset, u8 value) +{ + ssb_write8(dev->dev, offset, value); +} + +static inline void gige_write16(struct ssb_gige *dev, + u16 offset, u16 value) +{ + ssb_write16(dev->dev, offset, value); +} + +static inline void gige_write32(struct ssb_gige *dev, + u16 offset, u32 value) +{ + ssb_write32(dev->dev, offset, value); +} + +static inline +u8 gige_pcicfg_read8(struct ssb_gige *dev, unsigned int offset) +{ + BUG_ON(offset >= 256); + return gige_read8(dev, SSB_GIGE_PCICFG + offset); +} + +static inline +u16 gige_pcicfg_read16(struct ssb_gige *dev, unsigned int offset) +{ + BUG_ON(offset >= 256); + return gige_read16(dev, SSB_GIGE_PCICFG + offset); +} + +static inline +u32 gige_pcicfg_read32(struct ssb_gige *dev, unsigned int offset) +{ + BUG_ON(offset >= 256); + return gige_read32(dev, SSB_GIGE_PCICFG + offset); +} + +static inline +void gige_pcicfg_write8(struct ssb_gige *dev, + unsigned int offset, u8 value) +{ + BUG_ON(offset >= 256); + gige_write8(dev, SSB_GIGE_PCICFG + offset, value); +} + +static inline +void gige_pcicfg_write16(struct ssb_gige *dev, + unsigned int offset, u16 value) +{ + BUG_ON(offset >= 256); + gige_write16(dev, SSB_GIGE_PCICFG + offset, value); +} + +static inline +void gige_pcicfg_write32(struct ssb_gige *dev, + unsigned int offset, u32 value) +{ + BUG_ON(offset >= 256); + gige_write32(dev, SSB_GIGE_PCICFG + offset, value); +} + +static int ssb_gige_pci_read_config(struct pci_bus *bus, unsigned int devfn, + int reg, int size, u32 *val) +{ + struct ssb_gige *dev = container_of(bus->ops, struct ssb_gige, pci_ops); + unsigned long flags; + + if ((PCI_SLOT(devfn) > 0) || (PCI_FUNC(devfn) > 0)) + return PCIBIOS_DEVICE_NOT_FOUND; + if (reg >= 256) + return PCIBIOS_DEVICE_NOT_FOUND; + + spin_lock_irqsave(&dev->lock, flags); + switch (size) { + case 1: + *val = gige_pcicfg_read8(dev, reg); + break; + case 2: + *val = gige_pcicfg_read16(dev, reg); + break; + case 4: + *val = gige_pcicfg_read32(dev, reg); + break; + default: + WARN_ON(1); + } + spin_unlock_irqrestore(&dev->lock, flags); + + return PCIBIOS_SUCCESSFUL; +} + +static int ssb_gige_pci_write_config(struct pci_bus *bus, unsigned int devfn, + int reg, int size, u32 val) +{ + struct ssb_gige *dev = container_of(bus->ops, struct ssb_gige, pci_ops); + unsigned long flags; + + if ((PCI_SLOT(devfn) > 0) || (PCI_FUNC(devfn) > 0)) + return PCIBIOS_DEVICE_NOT_FOUND; + if (reg >= 256) + return PCIBIOS_DEVICE_NOT_FOUND; + + spin_lock_irqsave(&dev->lock, flags); + switch (size) { + case 1: + gige_pcicfg_write8(dev, reg, val); + break; + case 2: + gige_pcicfg_write16(dev, reg, val); + break; + case 4: + gige_pcicfg_write32(dev, reg, val); + break; + default: + WARN_ON(1); + } + spin_unlock_irqrestore(&dev->lock, flags); + + return PCIBIOS_SUCCESSFUL; +} + +static int ssb_gige_probe(struct ssb_device *sdev, const struct ssb_device_id *id) +{ + struct ssb_gige *dev; + u32 base, tmslow, tmshigh; + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) + return -ENOMEM; + dev->dev = sdev; + + spin_lock_init(&dev->lock); + 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.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_IO_RES_NAME; + dev->io_resource.start = 0x800; + dev->io_resource.end = 0x8FF; + dev->io_resource.flags = IORESOURCE_IO | IORESOURCE_PCI_FIXED; + + if (!ssb_device_is_enabled(sdev)) + ssb_device_enable(sdev, 0); + + /* Setup BAR0. This is a 64k MMIO region. */ + base = ssb_admatch_base(ssb_read32(sdev, SSB_ADMATCH1)); + gige_pcicfg_write32(dev, PCI_BASE_ADDRESS_0, base); + gige_pcicfg_write32(dev, PCI_BASE_ADDRESS_1, 0); + + dev->mem_resource.name = SSB_GIGE_MEM_RES_NAME; + dev->mem_resource.start = base; + dev->mem_resource.end = base + 0x10000 - 1; + dev->mem_resource.flags = IORESOURCE_MEM | IORESOURCE_PCI_FIXED; + + /* Enable the memory region. */ + gige_pcicfg_write16(dev, PCI_COMMAND, + gige_pcicfg_read16(dev, PCI_COMMAND) + | PCI_COMMAND_MEMORY); + + /* Write flushing is controlled by the Flush Status Control register. + * We want to flush every register write with a timeout and we want + * to disable the IRQ mask while flushing to avoid concurrency. + * Note that automatic write flushing does _not_ work from + * an IRQ handler. The driver must flush manually by reading a register. + */ + gige_write32(dev, SSB_GIGE_SHIM_FLUSHSTAT, 0x00000068); + + /* 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); + + return 0; +} + +bool pdev_is_ssb_gige_core(struct pci_dev *pdev) +{ + if (!pdev->resource[0].name) + return 0; + return (strcmp(pdev->resource[0].name, SSB_GIGE_MEM_RES_NAME) == 0); +} +EXPORT_SYMBOL(pdev_is_ssb_gige_core); + +int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev, + struct pci_dev *pdev) +{ + struct ssb_gige *dev = ssb_get_drvdata(sdev); + struct resource *res; + + if (pdev->bus->ops != &dev->pci_ops) { + /* The PCI device is not on this SSB GigE bridge device. */ + return -ENODEV; + } + + /* Fixup the PCI resources. */ + res = &(pdev->resource[0]); + res->flags = IORESOURCE_MEM | IORESOURCE_PCI_FIXED; + res->name = dev->mem_resource.name; + res->start = dev->mem_resource.start; + res->end = dev->mem_resource.end; + + /* Fixup interrupt lines. */ + pdev->irq = ssb_mips_irq(sdev) + 2; + pci_write_config_byte(pdev, PCI_INTERRUPT_LINE, pdev->irq); + + return 0; +} + +int ssb_gige_map_irq(struct ssb_device *sdev, + const struct pci_dev *pdev) +{ + struct ssb_gige *dev = ssb_get_drvdata(sdev); + + if (pdev->bus->ops != &dev->pci_ops) { + /* The PCI device is not on this SSB GigE bridge device. */ + return -ENODEV; + } + + return ssb_mips_irq(sdev) + 2; +} + +static struct ssb_driver ssb_gige_driver = { + .name = "BCM-GigE", + .id_table = ssb_gige_tbl, + .probe = ssb_gige_probe, +}; + +int ssb_gige_init(void) +{ + return ssb_driver_register(&ssb_gige_driver); +} Index: linux-2.6.25.4/include/linux/ssb/ssb_driver_gige.h =================================================================== --- /dev/null +++ linux-2.6.25.4/include/linux/ssb/ssb_driver_gige.h @@ -0,0 +1,174 @@ +#ifndef LINUX_SSB_DRIVER_GIGE_H_ +#define LINUX_SSB_DRIVER_GIGE_H_ + +#include +#include +#include + + +#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) */ +#define SSB_GIGE_SHIM_FLUSHSTAT 0x0C00 /* PCI to OCP: Flush status control (32bit) */ +#define SSB_GIGE_SHIM_FLUSHRDA 0x0C04 /* PCI to OCP: Flush read address (32bit) */ +#define SSB_GIGE_SHIM_FLUSHTO 0x0C08 /* PCI to OCP: Flush timeout counter (32bit) */ +#define SSB_GIGE_SHIM_BARRIER 0x0C0C /* PCI to OCP: Barrier register (32bit) */ +#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; + struct resource mem_resource; + struct resource io_resource; +}; + +/* Check whether a PCI device is a SSB Gigabit Ethernet core. */ +extern bool pdev_is_ssb_gige_core(struct pci_dev *pdev); + +/* 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); +/* 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"); + 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, + const struct pci_dev *pdev); + +/* The GigE driver is not a standalone module, because we don't have support + * for unregistering the driver. So we could not unload the module anyway. */ +extern int ssb_gige_init(void); +static inline void ssb_gige_exit(void) +{ + /* Currently we can not unregister the GigE driver, + * because we can not unregister the PCI bridge. */ + BUG(); +} + + +#else /* CONFIG_SSB_DRIVER_GIGE */ +/* Gigabit Ethernet driver disabled */ + + +static inline int ssb_gige_pcibios_plat_dev_init(struct ssb_device *sdev, + struct pci_dev *pdev) +{ + return -ENOSYS; +} +static inline int ssb_gige_map_irq(struct ssb_device *sdev, + const struct pci_dev *pdev) +{ + return -ENOSYS; +} +static inline int ssb_gige_init(void) +{ + return 0; +} +static inline void ssb_gige_exit(void) +{ +} + +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-2.6.25.4/drivers/ssb/driver_pcicore.c =================================================================== --- linux-2.6.25.4.orig/drivers/ssb/driver_pcicore.c +++ linux-2.6.25.4/drivers/ssb/driver_pcicore.c @@ -60,78 +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; -static u32 ssb_pcicore_pcibus_iobase = 0x100; -static u32 ssb_pcicore_pcibus_membase = SSB_PCI_DMA; - -int pcibios_plat_dev_init(struct pci_dev *d) -{ - struct resource *res; - int pos, size; - u32 *base; - - ssb_printk(KERN_INFO "PCI: Fixing up device %s\n", - pci_name(d)); - - /* Fix up resource bases */ - for (pos = 0; pos < 6; pos++) { - res = &d->resource[pos]; - if (res->flags & IORESOURCE_IO) - base = &ssb_pcicore_pcibus_iobase; - else - base = &ssb_pcicore_pcibus_membase; - res->flags |= IORESOURCE_PCI_FIXED; - if (res->end) { - size = res->end - res->start + 1; - if (*base & (size - 1)) - *base = (*base + size) & ~(size - 1); - res->start = *base; - res->end = res->start + size - 1; - *base += size; - pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start); - } - /* Fix up PCI bridge BAR0 only */ - if (d->bus->number == 0 && PCI_SLOT(d->devfn) == 0) - break; - } - /* Fix up interrupt lines */ - d->irq = ssb_mips_irq(extpci_core->dev) + 2; - pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq); - - return 0; -} - -static void __init ssb_fixup_pcibridge(struct pci_dev *dev) -{ - u8 lat; - - if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) != 0) - return; - - ssb_printk(KERN_INFO "PCI: Fixing up bridge %s\n", pci_name(dev)); - - /* Enable PCI bridge bus mastering and memory space */ - pci_set_master(dev); - if (pcibios_enable_device(dev, ~0) < 0) { - ssb_printk(KERN_ERR "PCI: SSB bridge enable failed\n"); - return; - } - - /* Enable PCI bridge BAR1 prefetch and burst */ - pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3); - - /* Make sure our latency is high enough to handle the devices behind us */ - lat = 168; - ssb_printk(KERN_INFO "PCI: Fixing latency timer of device %s to %u\n", - pci_name(dev), lat); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); -} -DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_fixup_pcibridge); - -int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - return ssb_mips_irq(extpci_core->dev) + 2; -} - static u32 get_cfgspace_addr(struct ssb_pcicore *pc, unsigned int bus, unsigned int dev, unsigned int func, unsigned int off) @@ -320,6 +248,95 @@ static struct pci_controller ssb_pcicore .mem_offset = 0x24000000, }; +static u32 ssb_pcicore_pcibus_iobase = 0x100; +static u32 ssb_pcicore_pcibus_membase = SSB_PCI_DMA; + +/* This function is called when doing a pci_enable_device(). + * We must first check if the device is a device on the PCI-core bridge. */ +int ssb_pcicore_plat_dev_init(struct pci_dev *d) +{ + struct resource *res; + int pos, size; + u32 *base; + + if (d->bus->ops != &ssb_pcicore_pciops) { + /* This is not a device on the PCI-core bridge. */ + return -ENODEV; + } + + ssb_printk(KERN_INFO "PCI: Fixing up device %s\n", + pci_name(d)); + + /* Fix up resource bases */ + for (pos = 0; pos < 6; pos++) { + res = &d->resource[pos]; + if (res->flags & IORESOURCE_IO) + base = &ssb_pcicore_pcibus_iobase; + else + base = &ssb_pcicore_pcibus_membase; + res->flags |= IORESOURCE_PCI_FIXED; + if (res->end) { + size = res->end - res->start + 1; + if (*base & (size - 1)) + *base = (*base + size) & ~(size - 1); + res->start = *base; + res->end = res->start + size - 1; + *base += size; + pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start); + } + /* Fix up PCI bridge BAR0 only */ + if (d->bus->number == 0 && PCI_SLOT(d->devfn) == 0) + break; + } + /* Fix up interrupt lines */ + d->irq = ssb_mips_irq(extpci_core->dev) + 2; + pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq); + + return 0; +} + +/* Early PCI fixup for a device on the PCI-core bridge. */ +static void ssb_pcicore_fixup_pcibridge(struct pci_dev *dev) +{ + u8 lat; + + if (dev->bus->ops != &ssb_pcicore_pciops) { + /* This is not a device on the PCI-core bridge. */ + return; + } + if (dev->bus->number != 0 || PCI_SLOT(dev->devfn) != 0) + return; + + ssb_printk(KERN_INFO "PCI: Fixing up bridge %s\n", pci_name(dev)); + + /* Enable PCI bridge bus mastering and memory space */ + pci_set_master(dev); + if (pcibios_enable_device(dev, ~0) < 0) { + ssb_printk(KERN_ERR "PCI: SSB bridge enable failed\n"); + return; + } + + /* Enable PCI bridge BAR1 prefetch and burst */ + pci_write_config_dword(dev, SSB_BAR1_CONTROL, 3); + + /* Make sure our latency is high enough to handle the devices behind us */ + lat = 168; + ssb_printk(KERN_INFO "PCI: Fixing latency timer of device %s to %u\n", + pci_name(dev), lat); + pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat); +} +DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, ssb_pcicore_fixup_pcibridge); + +/* PCI device IRQ mapping. */ +int ssb_pcicore_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + if (dev->bus->ops != &ssb_pcicore_pciops) { + /* This is not a device on the PCI-core bridge. */ + return -ENODEV; + } + return ssb_mips_irq(extpci_core->dev) + 2; +} + static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc) { u32 val; Index: linux-2.6.25.4/drivers/ssb/embedded.c =================================================================== --- linux-2.6.25.4.orig/drivers/ssb/embedded.c +++ linux-2.6.25.4/drivers/ssb/embedded.c @@ -10,6 +10,9 @@ #include #include +#include +#include +#include #include "ssb_private.h" @@ -130,3 +133,90 @@ u32 ssb_gpio_polarity(struct ssb_bus *bu return res; } EXPORT_SYMBOL(ssb_gpio_polarity); + +#ifdef CONFIG_SSB_DRIVER_GIGE +static int gige_pci_init_callback(struct ssb_bus *bus, unsigned long data) +{ + struct pci_dev *pdev = (struct pci_dev *)data; + struct ssb_device *dev; + unsigned int i; + int res; + + for (i = 0; i < bus->nr_devices; i++) { + dev = &(bus->devices[i]); + if (dev->id.coreid != SSB_DEV_ETHERNET_GBIT) + continue; + if (!dev->dev || + !dev->dev->driver || + !device_is_registered(dev->dev)) + continue; + res = ssb_gige_pcibios_plat_dev_init(dev, pdev); + if (res >= 0) + return res; + } + + return -ENODEV; +} +#endif /* CONFIG_SSB_DRIVER_GIGE */ + +int ssb_pcibios_plat_dev_init(struct pci_dev *dev) +{ + int err; + + err = ssb_pcicore_plat_dev_init(dev); + if (!err) + return 0; +#ifdef CONFIG_SSB_DRIVER_GIGE + err = ssb_for_each_bus_call((unsigned long)dev, gige_pci_init_callback); + if (err >= 0) + return err; +#endif + /* This is not a PCI device on any SSB device. */ + + return -ENODEV; +} + +#ifdef CONFIG_SSB_DRIVER_GIGE +static int gige_map_irq_callback(struct ssb_bus *bus, unsigned long data) +{ + const struct pci_dev *pdev = (const struct pci_dev *)data; + struct ssb_device *dev; + unsigned int i; + int res; + + for (i = 0; i < bus->nr_devices; i++) { + dev = &(bus->devices[i]); + if (dev->id.coreid != SSB_DEV_ETHERNET_GBIT) + continue; + if (!dev->dev || + !dev->dev->driver || + !device_is_registered(dev->dev)) + continue; + res = ssb_gige_map_irq(dev, pdev); + if (res >= 0) + return res; + } + + return -ENODEV; +} +#endif /* CONFIG_SSB_DRIVER_GIGE */ + +int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + int res; + + /* Check if this PCI device is a device on a SSB bus or device + * and return the IRQ number for it. */ + + res = ssb_pcicore_pcibios_map_irq(dev, slot, pin); + if (res >= 0) + return res; +#ifdef CONFIG_SSB_DRIVER_GIGE + res = ssb_for_each_bus_call((unsigned long)dev, gige_map_irq_callback); + if (res >= 0) + return res; +#endif + /* This is not a PCI device on any SSB device. */ + + return -ENODEV; +} Index: linux-2.6.25.4/include/linux/ssb/ssb.h =================================================================== --- linux-2.6.25.4.orig/include/linux/ssb/ssb.h +++ linux-2.6.25.4/include/linux/ssb/ssb.h @@ -426,5 +426,12 @@ extern int ssb_bus_powerup(struct ssb_bu extern u32 ssb_admatch_base(u32 adm); extern u32 ssb_admatch_size(u32 adm); +/* PCI device mapping and fixup routines. + * Called from the architecture pcibios init code. + * These are only available on SSB_EMBEDDED configurations. */ +#ifdef CONFIG_SSB_EMBEDDED +int ssb_pcibios_plat_dev_init(struct pci_dev *dev); +int ssb_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); +#endif /* CONFIG_SSB_EMBEDDED */ #endif /* LINUX_SSB_H_ */ Index: linux-2.6.25.4/include/linux/ssb/ssb_driver_pci.h =================================================================== --- linux-2.6.25.4.orig/include/linux/ssb/ssb_driver_pci.h +++ linux-2.6.25.4/include/linux/ssb/ssb_driver_pci.h @@ -1,6 +1,11 @@ #ifndef LINUX_SSB_PCICORE_H_ #define LINUX_SSB_PCICORE_H_ +#include + +struct pci_dev; + + #ifdef CONFIG_SSB_DRIVER_PCICORE /* PCI core registers. */ @@ -88,6 +93,9 @@ extern void ssb_pcicore_init(struct ssb_ extern int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc, struct ssb_device *dev); +int ssb_pcicore_plat_dev_init(struct pci_dev *d); +int ssb_pcicore_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin); + #else /* CONFIG_SSB_DRIVER_PCICORE */ @@ -107,5 +115,16 @@ int ssb_pcicore_dev_irqvecs_enable(struc return 0; } +static inline +int ssb_pcicore_plat_dev_init(struct pci_dev *d) +{ + return -ENODEV; +} +static inline +int ssb_pcicore_pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) +{ + return -ENODEV; +} + #endif /* CONFIG_SSB_DRIVER_PCICORE */ #endif /* LINUX_SSB_PCICORE_H_ */ Index: linux-2.6.25.4/drivers/ssb/main.c =================================================================== --- linux-2.6.25.4.orig/drivers/ssb/main.c +++ linux-2.6.25.4/drivers/ssb/main.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include @@ -68,6 +69,25 @@ found: } #endif /* CONFIG_SSB_PCIHOST */ +int ssb_for_each_bus_call(unsigned long data, + int (*func)(struct ssb_bus *bus, unsigned long data)) +{ + struct ssb_bus *bus; + int res; + + ssb_buses_lock(); + list_for_each_entry(bus, &buses, list) { + res = func(bus, data); + if (res >= 0) { + ssb_buses_unlock(); + return res; + } + } + ssb_buses_unlock(); + + return -ENODEV; +} + static struct ssb_device *ssb_device_get(struct ssb_device *dev) { if (dev) @@ -1181,7 +1201,14 @@ static int __init ssb_modinit(void) err = b43_pci_ssb_bridge_init(); if (err) { ssb_printk(KERN_ERR "Broadcom 43xx PCI-SSB-bridge " - "initialization failed"); + "initialization failed\n"); + /* don't fail SSB init because of this */ + err = 0; + } + err = ssb_gige_init(); + if (err) { + ssb_printk(KERN_ERR "SSB Broadcom Gigabit Ethernet " + "driver initialization failed\n"); /* don't fail SSB init because of this */ err = 0; } @@ -1195,6 +1222,7 @@ fs_initcall(ssb_modinit); static void __exit ssb_modexit(void) { + ssb_gige_exit(); b43_pci_ssb_bridge_exit(); bus_unregister(&ssb_bustype); } Index: linux-2.6.25.4/drivers/ssb/ssb_private.h =================================================================== --- linux-2.6.25.4.orig/drivers/ssb/ssb_private.h +++ linux-2.6.25.4/drivers/ssb/ssb_private.h @@ -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); extern struct ssb_bus *ssb_pci_dev_to_bus(struct pci_dev *pdev); +int ssb_for_each_bus_call(unsigned long data, + int (*func)(struct ssb_bus *bus, unsigned long data)); /* b43_pci_bridge.c */ #ifdef CONFIG_SSB_B43_PCI_BRIDGE Index: linux-2.6.25.4/drivers/net/tg3.c =================================================================== --- linux-2.6.25.4.orig/drivers/net/tg3.c +++ linux-2.6.25.4/drivers/net/tg3.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include @@ -425,8 +426,9 @@ 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); } @@ -706,7 +708,7 @@ static void tg3_switch_clocks(struct tg3 #define PHY_BUSY_LOOPS 5000 -static int tg3_readphy(struct tg3 *tp, int reg, u32 *val) +static int __tg3_readphy(struct tg3 *tp, unsigned int phy_addr, int reg, u32 *val) { u32 frame_val; unsigned int loops; @@ -720,7 +722,7 @@ static int tg3_readphy(struct tg3 *tp, i *val = 0x0; - frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) & + frame_val = ((phy_addr << MI_COM_PHY_ADDR_SHIFT) & MI_COM_PHY_ADDR_MASK); frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) & MI_COM_REG_ADDR_MASK); @@ -755,7 +757,12 @@ static int tg3_readphy(struct tg3 *tp, i return ret; } -static int tg3_writephy(struct tg3 *tp, int reg, u32 val) +static int tg3_readphy(struct tg3 *tp, int reg, u32 *val) +{ + return __tg3_readphy(tp, PHY_ADDR, reg, val); +} + +static int __tg3_writephy(struct tg3 *tp, unsigned int phy_addr, int reg, u32 val) { u32 frame_val; unsigned int loops; @@ -771,7 +778,7 @@ static int tg3_writephy(struct tg3 *tp, udelay(80); } - frame_val = ((PHY_ADDR << MI_COM_PHY_ADDR_SHIFT) & + frame_val = ((phy_addr << MI_COM_PHY_ADDR_SHIFT) & MI_COM_PHY_ADDR_MASK); frame_val |= ((reg << MI_COM_REG_ADDR_SHIFT) & MI_COM_REG_ADDR_MASK); @@ -804,6 +811,11 @@ static int tg3_writephy(struct tg3 *tp, return ret; } +static int tg3_writephy(struct tg3 *tp, int reg, u32 val) +{ + return __tg3_writephy(tp, PHY_ADDR, reg, val); +} + static void tg3_phydsp_write(struct tg3 *tp, u32 reg, u32 val) { tg3_writephy(tp, MII_TG3_DSP_ADDRESS, reg); @@ -2250,6 +2262,14 @@ static int tg3_setup_copper_phy(struct t } } + if (tp->tg3_flags & 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) tg3_setup_flow_control(tp, lcl_adv, rmt_adv); @@ -5197,6 +5217,11 @@ 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++) { @@ -5435,6 +5460,14 @@ 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) { @@ -5704,9 +5737,12 @@ 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; } @@ -5787,6 +5823,11 @@ 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]; @@ -6345,6 +6386,11 @@ 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; @@ -7306,6 +7352,11 @@ 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 @@ -8906,6 +8957,11 @@ static int tg3_test_nvram(struct tg3 *tp __le32 *buf; int i, j, k, 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; @@ -9689,7 +9745,7 @@ static int tg3_ioctl(struct net_device * return -EAGAIN; spin_lock_bh(&tp->lock); - err = tg3_readphy(tp, data->reg_num & 0x1f, &mii_regval); + err = __tg3_readphy(tp, data->phy_id & 0x1f, data->reg_num & 0x1f, &mii_regval); spin_unlock_bh(&tp->lock); data->val_out = mii_regval; @@ -9708,7 +9764,7 @@ static int tg3_ioctl(struct net_device * return -EAGAIN; spin_lock_bh(&tp->lock); - err = tg3_writephy(tp, data->reg_num & 0x1f, data->val_in); + err = __tg3_writephy(tp, data->phy_id & 0x1f, data->reg_num & 0x1f, data->val_in); spin_unlock_bh(&tp->lock); return err; @@ -10177,6 +10233,12 @@ 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 << @@ -10317,6 +10379,9 @@ 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); @@ -10563,6 +10628,9 @@ 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); @@ -11610,7 +11678,6 @@ 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; @@ -11646,6 +11713,11 @@ 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 @@ -12017,6 +12089,10 @@ 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_SPARC if (!tg3_get_default_macaddr_sparc(tp)) return 0; @@ -12508,6 +12584,7 @@ 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"; @@ -12695,6 +12772,13 @@ 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-2.6.25.4/drivers/net/tg3.h =================================================================== --- linux-2.6.25.4.orig/drivers/net/tg3.h +++ linux-2.6.25.4/drivers/net/tg3.h @@ -2477,6 +2477,9 @@ struct tg3 { #define TG3_FLG3_ENABLE_APE 0x00000002 #define TG3_FLG3_5761_5784_AX_FIXES 0x00000004 #define TG3_FLG3_5701_DMA_BUG 0x00000008 +#define TG3_FLG3_IS_SSB_CORE 0x00000010 +#define TG3_FLG3_FLUSH_POSTED_WRITES 0x00000020 +#define TG3_FLG3_ROBOSWITCH 0x00000040 struct timer_list timer; u16 timer_counter; @@ -2532,6 +2535,7 @@ 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_BCM5784 0xbc050fa0 @@ -2568,7 +2572,7 @@ struct tg3 { (X) == PHY_ID_BCM5780 || (X) == PHY_ID_BCM5787 || \ (X) == PHY_ID_BCM5755 || (X) == PHY_ID_BCM5756 || \ (X) == PHY_ID_BCM5906 || (X) == PHY_ID_BCM5761 || \ - (X) == PHY_ID_BCM8002) + (X) == PHY_ID_BCM8002 || (X) == PHY_ID_BCM5750_2) struct tg3_hw_stats *hw_stats; dma_addr_t stats_mapping; Index: linux-2.6.25.4/drivers/ssb/driver_mipscore.c =================================================================== --- linux-2.6.25.4.orig/drivers/ssb/driver_mipscore.c +++ linux-2.6.25.4/drivers/ssb/driver_mipscore.c @@ -212,6 +212,7 @@ void ssb_mipscore_init(struct ssb_mipsco /* fallthrough */ case SSB_DEV_PCI: case SSB_DEV_ETHERNET: + case SSB_DEV_ETHERNET_GBIT: case SSB_DEV_80211: case SSB_DEV_USB20_HOST: /* These devices get their own IRQ line if available, the rest goes on IRQ0 */