summaryrefslogtreecommitdiff
path: root/drivers/ssb
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ssb')
-rw-r--r--drivers/ssb/Kconfig20
-rw-r--r--drivers/ssb/Makefile2
-rw-r--r--drivers/ssb/driver_chipcommon.c12
-rw-r--r--drivers/ssb/driver_gige.c294
-rw-r--r--drivers/ssb/driver_mipscore.c1
-rw-r--r--drivers/ssb/driver_pcicore.c160
-rw-r--r--drivers/ssb/embedded.c90
-rw-r--r--drivers/ssb/main.c260
-rw-r--r--drivers/ssb/pci.c211
-rw-r--r--drivers/ssb/pcihost_wrapper.c10
-rw-r--r--drivers/ssb/pcmcia.c699
-rw-r--r--drivers/ssb/sprom.c133
-rw-r--r--drivers/ssb/ssb_private.h24
13 files changed, 1624 insertions, 292 deletions
diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig
index adea792fb675..cd845b8acd17 100644
--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
@@ -20,6 +20,15 @@ config SSB
If unsure, say N.
+# Common SPROM support routines
+config SSB_SPROM
+ bool
+
+# Support for Block-I/O. SELECT this from the driver that needs it.
+config SSB_BLOCKIO
+ bool
+ depends on SSB
+
config SSB_PCIHOST_POSSIBLE
bool
depends on SSB && (PCI = y || PCI = SSB)
@@ -28,6 +37,7 @@ config SSB_PCIHOST_POSSIBLE
config SSB_PCIHOST
bool "Support for SSB on PCI-bus host"
depends on SSB_PCIHOST_POSSIBLE
+ select SSB_SPROM
default y
help
Support for a Sonics Silicon Backplane on top
@@ -48,6 +58,7 @@ config SSB_PCMCIAHOST_POSSIBLE
config SSB_PCMCIAHOST
bool "Support for SSB on PCMCIA-bus host (EXPERIMENTAL)"
depends on SSB_PCMCIAHOST_POSSIBLE
+ select SSB_SPROM
help
Support for a Sonics Silicon Backplane on top
of a PCMCIA device.
@@ -125,4 +136,13 @@ 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
diff --git a/drivers/ssb/Makefile b/drivers/ssb/Makefile
index de94c2eb7a37..6f255e9c5af9 100644
--- a/drivers/ssb/Makefile
+++ b/drivers/ssb/Makefile
@@ -1,6 +1,7 @@
# core
ssb-y += main.o scan.o
ssb-$(CONFIG_SSB_EMBEDDED) += embedded.o
+ssb-$(CONFIG_SSB_SPROM) += sprom.o
# host support
ssb-$(CONFIG_SSB_PCIHOST) += pci.o pcihost_wrapper.o
@@ -11,6 +12,7 @@ ssb-y += driver_chipcommon.o
ssb-$(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
diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c
index e586321a473a..571f4fd55236 100644
--- a/drivers/ssb/driver_chipcommon.c
+++ b/drivers/ssb/driver_chipcommon.c
@@ -251,7 +251,7 @@ void ssb_chipcommon_init(struct ssb_chipcommon *cc)
calc_fast_powerup_delay(cc);
}
-void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state)
+void ssb_chipco_suspend(struct ssb_chipcommon *cc)
{
if (!cc->dev)
return;
@@ -353,6 +353,16 @@ void ssb_chipco_watchdog_timer_set(struct ssb_chipcommon *cc, u32 ticks)
chipco_write32(cc, SSB_CHIPCO_WATCHDOG, ticks);
}
+void ssb_chipco_irq_mask(struct ssb_chipcommon *cc, u32 mask, u32 value)
+{
+ chipco_write32_masked(cc, SSB_CHIPCO_IRQMASK, mask, value);
+}
+
+u32 ssb_chipco_irq_status(struct ssb_chipcommon *cc, u32 mask)
+{
+ return chipco_read32(cc, SSB_CHIPCO_IRQSTAT) & mask;
+}
+
u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask)
{
return chipco_read32(cc, SSB_CHIPCO_GPIOIN) & mask;
diff --git a/drivers/ssb/driver_gige.c b/drivers/ssb/driver_gige.c
new file mode 100644
index 000000000000..172f90407b93
--- /dev/null
+++ b/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 <mb@bu3sch.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/ssb/ssb.h>
+#include <linux/ssb/ssb_driver_gige.h>
+#include <linux/pci.h>
+#include <linux/pci_regs.h>
+
+
+/*
+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);
+}
diff --git a/drivers/ssb/driver_mipscore.c b/drivers/ssb/driver_mipscore.c
index a9e7eb45b2e7..3fd3e3b412b6 100644
--- a/drivers/ssb/driver_mipscore.c
+++ b/drivers/ssb/driver_mipscore.c
@@ -210,6 +210,7 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore)
/* 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 */
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index 5d777f211699..2cc668ac5609 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -60,77 +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,
@@ -320,6 +249,95 @@ static struct pci_controller ssb_pcicore_controller = {
.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;
diff --git a/drivers/ssb/embedded.c b/drivers/ssb/embedded.c
index d3ade821555c..7dc3a6b41397 100644
--- a/drivers/ssb/embedded.c
+++ b/drivers/ssb/embedded.c
@@ -10,6 +10,9 @@
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_embedded.h>
+#include <linux/ssb/ssb_driver_pci.h>
+#include <linux/ssb/ssb_driver_gige.h>
+#include <linux/pci.h>
#include "ssb_private.h"
@@ -130,3 +133,90 @@ u32 ssb_gpio_polarity(struct ssb_bus *bus, u32 mask, u32 value)
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;
+}
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index 72017bf2e577..6ce92e82b64e 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -14,6 +14,7 @@
#include <linux/io.h>
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_regs.h>
+#include <linux/ssb/ssb_driver_gige.h>
#include <linux/dma-mapping.h>
#include <linux/pci.h>
@@ -68,6 +69,44 @@ found:
}
#endif /* CONFIG_SSB_PCIHOST */
+#ifdef CONFIG_SSB_PCMCIAHOST
+struct ssb_bus *ssb_pcmcia_dev_to_bus(struct pcmcia_device *pdev)
+{
+ struct ssb_bus *bus;
+
+ ssb_buses_lock();
+ list_for_each_entry(bus, &buses, list) {
+ if (bus->bustype == SSB_BUSTYPE_PCMCIA &&
+ bus->host_pcmcia == pdev)
+ goto found;
+ }
+ bus = NULL;
+found:
+ ssb_buses_unlock();
+
+ return bus;
+}
+#endif /* CONFIG_SSB_PCMCIAHOST */
+
+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)
@@ -81,35 +120,12 @@ static void ssb_device_put(struct ssb_device *dev)
put_device(dev->dev);
}
-static int ssb_bus_resume(struct ssb_bus *bus)
-{
- int err;
-
- ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1);
- err = ssb_pcmcia_init(bus);
- if (err) {
- /* No need to disable XTAL, as we don't have one on PCMCIA. */
- return err;
- }
- ssb_chipco_resume(&bus->chipco);
-
- return 0;
-}
-
static int ssb_device_resume(struct device *dev)
{
struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
struct ssb_driver *ssb_drv;
- struct ssb_bus *bus;
int err = 0;
- bus = ssb_dev->bus;
- if (bus->suspend_cnt == bus->nr_devices) {
- err = ssb_bus_resume(bus);
- if (err)
- return err;
- }
- bus->suspend_cnt--;
if (dev->driver) {
ssb_drv = drv_to_ssb_drv(dev->driver);
if (ssb_drv && ssb_drv->resume)
@@ -121,27 +137,10 @@ out:
return err;
}
-static void ssb_bus_suspend(struct ssb_bus *bus, pm_message_t state)
-{
- ssb_chipco_suspend(&bus->chipco, state);
- ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0);
-
- /* Reset HW state information in memory, so that HW is
- * completely reinitialized on resume. */
- bus->mapped_device = NULL;
-#ifdef CONFIG_SSB_DRIVER_PCICORE
- bus->pcicore.setup_done = 0;
-#endif
-#ifdef CONFIG_SSB_DEBUG
- bus->powered_up = 0;
-#endif
-}
-
static int ssb_device_suspend(struct device *dev, pm_message_t state)
{
struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
struct ssb_driver *ssb_drv;
- struct ssb_bus *bus;
int err = 0;
if (dev->driver) {
@@ -151,19 +150,46 @@ static int ssb_device_suspend(struct device *dev, pm_message_t state)
if (err)
goto out;
}
+out:
+ return err;
+}
+
+int ssb_bus_resume(struct ssb_bus *bus)
+{
+ int err;
+
+ /* Reset HW state information in memory, so that HW is
+ * completely reinitialized. */
+ bus->mapped_device = NULL;
+#ifdef CONFIG_SSB_DRIVER_PCICORE
+ bus->pcicore.setup_done = 0;
+#endif
- bus = ssb_dev->bus;
- bus->suspend_cnt++;
- if (bus->suspend_cnt == bus->nr_devices) {
- /* All devices suspended. Shutdown the bus. */
- ssb_bus_suspend(bus, state);
+ err = ssb_bus_powerup(bus, 0);
+ if (err)
+ return err;
+ err = ssb_pcmcia_hardware_setup(bus);
+ if (err) {
+ ssb_bus_may_powerdown(bus);
+ return err;
}
+ ssb_chipco_resume(&bus->chipco);
+ ssb_bus_may_powerdown(bus);
-out:
- return err;
+ return 0;
}
+EXPORT_SYMBOL(ssb_bus_resume);
-#ifdef CONFIG_SSB_PCIHOST
+int ssb_bus_suspend(struct ssb_bus *bus)
+{
+ ssb_chipco_suspend(&bus->chipco);
+ ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0);
+
+ return 0;
+}
+EXPORT_SYMBOL(ssb_bus_suspend);
+
+#ifdef CONFIG_SSB_SPROM
int ssb_devices_freeze(struct ssb_bus *bus)
{
struct ssb_device *dev;
@@ -249,7 +275,7 @@ int ssb_devices_thaw(struct ssb_bus *bus)
return 0;
}
-#endif /* CONFIG_SSB_PCIHOST */
+#endif /* CONFIG_SSB_SPROM */
static void ssb_device_shutdown(struct device *dev)
{
@@ -378,7 +404,7 @@ void ssb_bus_unregister(struct ssb_bus *bus)
list_del(&bus->list);
ssb_buses_unlock();
- /* ssb_pcmcia_exit(bus); */
+ ssb_pcmcia_exit(bus);
ssb_pci_exit(bus);
ssb_iounmap(bus);
}
@@ -505,6 +531,14 @@ error:
return err;
}
+static u8 ssb_ssb_read8(struct ssb_device *dev, u16 offset)
+{
+ struct ssb_bus *bus = dev->bus;
+
+ offset += dev->core_index * SSB_CORE_SIZE;
+ return readb(bus->mmio + offset);
+}
+
static u16 ssb_ssb_read16(struct ssb_device *dev, u16 offset)
{
struct ssb_bus *bus = dev->bus;
@@ -521,6 +555,63 @@ static u32 ssb_ssb_read32(struct ssb_device *dev, u16 offset)
return readl(bus->mmio + offset);
}
+#ifdef CONFIG_SSB_BLOCKIO
+static void ssb_ssb_block_read(struct ssb_device *dev, void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ struct ssb_bus *bus = dev->bus;
+ void __iomem *addr;
+
+ offset += dev->core_index * SSB_CORE_SIZE;
+ addr = bus->mmio + offset;
+
+ switch (reg_width) {
+ case sizeof(u8): {
+ u8 *buf = buffer;
+
+ while (count) {
+ *buf = __raw_readb(addr);
+ buf++;
+ count--;
+ }
+ break;
+ }
+ case sizeof(u16): {
+ __le16 *buf = buffer;
+
+ SSB_WARN_ON(count & 1);
+ while (count) {
+ *buf = (__force __le16)__raw_readw(addr);
+ buf++;
+ count -= 2;
+ }
+ break;
+ }
+ case sizeof(u32): {
+ __le32 *buf = buffer;
+
+ SSB_WARN_ON(count & 3);
+ while (count) {
+ *buf = (__force __le32)__raw_readl(addr);
+ buf++;
+ count -= 4;
+ }
+ break;
+ }
+ default:
+ SSB_WARN_ON(1);
+ }
+}
+#endif /* CONFIG_SSB_BLOCKIO */
+
+static void ssb_ssb_write8(struct ssb_device *dev, u16 offset, u8 value)
+{
+ struct ssb_bus *bus = dev->bus;
+
+ offset += dev->core_index * SSB_CORE_SIZE;
+ writeb(value, bus->mmio + offset);
+}
+
static void ssb_ssb_write16(struct ssb_device *dev, u16 offset, u16 value)
{
struct ssb_bus *bus = dev->bus;
@@ -537,12 +628,67 @@ static void ssb_ssb_write32(struct ssb_device *dev, u16 offset, u32 value)
writel(value, bus->mmio + offset);
}
+#ifdef CONFIG_SSB_BLOCKIO
+static void ssb_ssb_block_write(struct ssb_device *dev, const void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ struct ssb_bus *bus = dev->bus;
+ void __iomem *addr;
+
+ offset += dev->core_index * SSB_CORE_SIZE;
+ addr = bus->mmio + offset;
+
+ switch (reg_width) {
+ case sizeof(u8): {
+ const u8 *buf = buffer;
+
+ while (count) {
+ __raw_writeb(*buf, addr);
+ buf++;
+ count--;
+ }
+ break;
+ }
+ case sizeof(u16): {
+ const __le16 *buf = buffer;
+
+ SSB_WARN_ON(count & 1);
+ while (count) {
+ __raw_writew((__force u16)(*buf), addr);
+ buf++;
+ count -= 2;
+ }
+ break;
+ }
+ case sizeof(u32): {
+ const __le32 *buf = buffer;
+
+ SSB_WARN_ON(count & 3);
+ while (count) {
+ __raw_writel((__force u32)(*buf), addr);
+ buf++;
+ count -= 4;
+ }
+ break;
+ }
+ default:
+ SSB_WARN_ON(1);
+ }
+}
+#endif /* CONFIG_SSB_BLOCKIO */
+
/* Ops for the plain SSB bus without a host-device (no PCI or PCMCIA). */
static const struct ssb_bus_ops ssb_ssb_ops = {
+ .read8 = ssb_ssb_read8,
.read16 = ssb_ssb_read16,
.read32 = ssb_ssb_read32,
+ .write8 = ssb_ssb_write8,
.write16 = ssb_ssb_write16,
.write32 = ssb_ssb_write32,
+#ifdef CONFIG_SSB_BLOCKIO
+ .block_read = ssb_ssb_block_read,
+ .block_write = ssb_ssb_block_write,
+#endif
};
static int ssb_fetch_invariants(struct ssb_bus *bus,
@@ -625,7 +771,7 @@ out:
err_dequeue:
list_del(&bus->list);
err_pcmcia_exit:
-/* ssb_pcmcia_exit(bus); */
+ ssb_pcmcia_exit(bus);
err_pci_exit:
ssb_pci_exit(bus);
err_unmap:
@@ -1007,9 +1153,9 @@ u32 ssb_dma_translation(struct ssb_device *dev)
{
switch (dev->bus->bustype) {
case SSB_BUSTYPE_SSB:
+ case SSB_BUSTYPE_PCMCIA:
return 0;
case SSB_BUSTYPE_PCI:
- case SSB_BUSTYPE_PCMCIA:
return SSB_PCI_DMA;
}
return 0;
@@ -1159,7 +1305,14 @@ 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;
}
@@ -1173,6 +1326,7 @@ fs_initcall(ssb_modinit);
static void __exit ssb_modexit(void)
{
+ ssb_gige_exit();
b43_pci_ssb_bridge_exit();
bus_unregister(&ssb_bustype);
}
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c
index b434df75047f..904b1a8d0885 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -227,7 +227,7 @@ static u8 ssb_sprom_crc(const u16 *sprom, u16 size)
return crc;
}
-static int sprom_check_crc(const u16 *sprom, u16 size)
+static int sprom_check_crc(const u16 *sprom, size_t size)
{
u8 crc;
u8 expected_crc;
@@ -242,12 +242,14 @@ static int sprom_check_crc(const u16 *sprom, u16 size)
return 0;
}
-static void sprom_do_read(struct ssb_bus *bus, u16 *sprom)
+static int sprom_do_read(struct ssb_bus *bus, u16 *sprom)
{
int i;
for (i = 0; i < bus->sprom_size; i++)
sprom[i] = ioread16(bus->mmio + SSB_SPROM_BASE + (i * 2));
+
+ return 0;
}
static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom)
@@ -572,6 +574,19 @@ static inline int ssb_pci_assert_buspower(struct ssb_bus *bus)
}
#endif /* DEBUG */
+static u8 ssb_pci_read8(struct ssb_device *dev, u16 offset)
+{
+ struct ssb_bus *bus = dev->bus;
+
+ if (unlikely(ssb_pci_assert_buspower(bus)))
+ return 0xFF;
+ if (unlikely(bus->mapped_device != dev)) {
+ if (unlikely(ssb_pci_switch_core(bus, dev)))
+ return 0xFF;
+ }
+ return ioread8(bus->mmio + offset);
+}
+
static u16 ssb_pci_read16(struct ssb_device *dev, u16 offset)
{
struct ssb_bus *bus = dev->bus;
@@ -598,6 +613,54 @@ static u32 ssb_pci_read32(struct ssb_device *dev, u16 offset)
return ioread32(bus->mmio + offset);
}
+#ifdef CONFIG_SSB_BLOCKIO
+static void ssb_pci_block_read(struct ssb_device *dev, void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ struct ssb_bus *bus = dev->bus;
+ void __iomem *addr = bus->mmio + offset;
+
+ if (unlikely(ssb_pci_assert_buspower(bus)))
+ goto error;
+ if (unlikely(bus->mapped_device != dev)) {
+ if (unlikely(ssb_pci_switch_core(bus, dev)))
+ goto error;
+ }
+ switch (reg_width) {
+ case sizeof(u8):
+ ioread8_rep(addr, buffer, count);
+ break;
+ case sizeof(u16):
+ SSB_WARN_ON(count & 1);
+ ioread16_rep(addr, buffer, count >> 1);
+ break;
+ case sizeof(u32):
+ SSB_WARN_ON(count & 3);
+ ioread32_rep(addr, buffer, count >> 2);
+ break;
+ default:
+ SSB_WARN_ON(1);
+ }
+
+ return;
+error:
+ memset(buffer, 0xFF, count);
+}
+#endif /* CONFIG_SSB_BLOCKIO */
+
+static void ssb_pci_write8(struct ssb_device *dev, u16 offset, u8 value)
+{
+ struct ssb_bus *bus = dev->bus;
+
+ if (unlikely(ssb_pci_assert_buspower(bus)))
+ return;
+ if (unlikely(bus->mapped_device != dev)) {
+ if (unlikely(ssb_pci_switch_core(bus, dev)))
+ return;
+ }
+ iowrite8(value, bus->mmio + offset);
+}
+
static void ssb_pci_write16(struct ssb_device *dev, u16 offset, u16 value)
{
struct ssb_bus *bus = dev->bus;
@@ -624,79 +687,63 @@ static void ssb_pci_write32(struct ssb_device *dev, u16 offset, u32 value)
iowrite32(value, bus->mmio + offset);
}
+#ifdef CONFIG_SSB_BLOCKIO
+static void ssb_pci_block_write(struct ssb_device *dev, const void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ struct ssb_bus *bus = dev->bus;
+ void __iomem *addr = bus->mmio + offset;
+
+ if (unlikely(ssb_pci_assert_buspower(bus)))
+ return;
+ if (unlikely(bus->mapped_device != dev)) {
+ if (unlikely(ssb_pci_switch_core(bus, dev)))
+ return;
+ }
+ switch (reg_width) {
+ case sizeof(u8):
+ iowrite8_rep(addr, buffer, count);
+ break;
+ case sizeof(u16):
+ SSB_WARN_ON(count & 1);
+ iowrite16_rep(addr, buffer, count >> 1);
+ break;
+ case sizeof(u32):
+ SSB_WARN_ON(count & 3);
+ iowrite32_rep(addr, buffer, count >> 2);
+ break;
+ default:
+ SSB_WARN_ON(1);
+ }
+}
+#endif /* CONFIG_SSB_BLOCKIO */
+
/* Not "static", as it's used in main.c */
const struct ssb_bus_ops ssb_pci_ops = {
+ .read8 = ssb_pci_read8,
.read16 = ssb_pci_read16,
.read32 = ssb_pci_read32,
+ .write8 = ssb_pci_write8,
.write16 = ssb_pci_write16,
.write32 = ssb_pci_write32,
+#ifdef CONFIG_SSB_BLOCKIO
+ .block_read = ssb_pci_block_read,
+ .block_write = ssb_pci_block_write,
+#endif
};
-static int sprom2hex(const u16 *sprom, char *buf, size_t buf_len, u16 size)
-{
- int i, pos = 0;
-
- for (i = 0; i < size; i++)
- pos += snprintf(buf + pos, buf_len - pos - 1,
- "%04X", swab16(sprom[i]) & 0xFFFF);
- pos += snprintf(buf + pos, buf_len - pos - 1, "\n");
-
- return pos + 1;
-}
-
-static int hex2sprom(u16 *sprom, const char *dump, size_t len, u16 size)
-{
- char tmp[5] = { 0 };
- int cnt = 0;
- unsigned long parsed;
-
- if (len < size * 2)
- return -EINVAL;
-
- while (cnt < size) {
- memcpy(tmp, dump, 4);
- dump += 4;
- parsed = simple_strtoul(tmp, NULL, 16);
- sprom[cnt++] = swab16((u16)parsed);
- }
-
- return 0;
-}
-
static ssize_t ssb_pci_attr_sprom_show(struct device *pcidev,
struct device_attribute *attr,
char *buf)
{
struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev);
struct ssb_bus *bus;
- u16 *sprom;
- int err = -ENODEV;
- ssize_t count = 0;
bus = ssb_pci_dev_to_bus(pdev);
if (!bus)
- goto out;
- err = -ENOMEM;
- sprom = kcalloc(bus->sprom_size, sizeof(u16), GFP_KERNEL);
- if (!sprom)
- goto out;
-
- /* Use interruptible locking, as the SPROM write might
- * be holding the lock for several seconds. So allow userspace
- * to cancel operation. */
- err = -ERESTARTSYS;
- if (mutex_lock_interruptible(&bus->pci_sprom_mutex))
- goto out_kfree;
- sprom_do_read(bus, sprom);
- mutex_unlock(&bus->pci_sprom_mutex);
+ return -ENODEV;
- count = sprom2hex(sprom, buf, PAGE_SIZE, bus->sprom_size);
- err = 0;
-
-out_kfree:
- kfree(sprom);
-out:
- return err ? err : count;
+ return ssb_attr_sprom_show(bus, buf, sprom_do_read);
}
static ssize_t ssb_pci_attr_sprom_store(struct device *pcidev,
@@ -705,55 +752,13 @@ static ssize_t ssb_pci_attr_sprom_store(struct device *pcidev,
{
struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev);
struct ssb_bus *bus;
- u16 *sprom;
- int res = 0, err = -ENODEV;
bus = ssb_pci_dev_to_bus(pdev);
if (!bus)
- goto out;
- err = -ENOMEM;
- sprom = kcalloc(bus->sprom_size, sizeof(u16), GFP_KERNEL);
- if (!sprom)
- goto out;
- err = hex2sprom(sprom, buf, count, bus->sprom_size);
- if (err) {
- err = -EINVAL;
- goto out_kfree;
- }
- err = sprom_check_crc(sprom, bus->sprom_size);
- if (err) {
- err = -EINVAL;
- goto out_kfree;
- }
+ return -ENODEV;
- /* Use interruptible locking, as the SPROM write might
- * be holding the lock for several seconds. So allow userspace
- * to cancel operation. */
- err = -ERESTARTSYS;
- if (mutex_lock_interruptible(&bus->pci_sprom_mutex))
- goto out_kfree;
- err = ssb_devices_freeze(bus);
- if (err == -EOPNOTSUPP) {
- ssb_printk(KERN_ERR PFX "SPROM write: Could not freeze devices. "
- "No suspend support. Is CONFIG_PM enabled?\n");
- goto out_unlock;
- }
- if (err) {
- ssb_printk(KERN_ERR PFX "SPROM write: Could not freeze all devices\n");
- goto out_unlock;
- }
- res = sprom_do_write(bus, sprom);
- err = ssb_devices_thaw(bus);
- if (err)
- ssb_printk(KERN_ERR PFX "SPROM write: Could not thaw all devices\n");
-out_unlock:
- mutex_unlock(&bus->pci_sprom_mutex);
-out_kfree:
- kfree(sprom);
-out:
- if (res)
- return res;
- return err ? err : count;
+ return ssb_attr_sprom_store(bus, buf, count,
+ sprom_check_crc, sprom_do_write);
}
static DEVICE_ATTR(ssb_sprom, 0600,
@@ -780,7 +785,7 @@ int ssb_pci_init(struct ssb_bus *bus)
return 0;
pdev = bus->host_pci;
- mutex_init(&bus->pci_sprom_mutex);
+ mutex_init(&bus->sprom_mutex);
err = device_create_file(&pdev->dev, &dev_attr_ssb_sprom);
if (err)
goto out;
diff --git a/drivers/ssb/pcihost_wrapper.c b/drivers/ssb/pcihost_wrapper.c
index 82a10abef640..e82db4aaa050 100644
--- a/drivers/ssb/pcihost_wrapper.c
+++ b/drivers/ssb/pcihost_wrapper.c
@@ -18,6 +18,12 @@
#ifdef CONFIG_PM
static int ssb_pcihost_suspend(struct pci_dev *dev, pm_message_t state)
{
+ struct ssb_bus *ssb = pci_get_drvdata(dev);
+ int err;
+
+ err = ssb_bus_suspend(ssb);
+ if (err)
+ return err;
pci_save_state(dev);
pci_disable_device(dev);
pci_set_power_state(dev, pci_choose_state(dev, state));
@@ -27,6 +33,7 @@ static int ssb_pcihost_suspend(struct pci_dev *dev, pm_message_t state)
static int ssb_pcihost_resume(struct pci_dev *dev)
{
+ struct ssb_bus *ssb = pci_get_drvdata(dev);
int err;
pci_set_power_state(dev, 0);
@@ -34,6 +41,9 @@ static int ssb_pcihost_resume(struct pci_dev *dev)
if (err)
return err;
pci_restore_state(dev);
+ err = ssb_bus_resume(ssb);
+ if (err)
+ return err;
return 0;
}
diff --git a/drivers/ssb/pcmcia.c b/drivers/ssb/pcmcia.c
index 46816cda8b98..24c2a46c1476 100644
--- a/drivers/ssb/pcmcia.c
+++ b/drivers/ssb/pcmcia.c
@@ -3,7 +3,7 @@
* PCMCIA-Hostbus related functions
*
* Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
- * Copyright 2007 Michael Buesch <mb@bu3sch.de>
+ * Copyright 2007-2008 Michael Buesch <mb@bu3sch.de>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
@@ -11,6 +11,7 @@
#include <linux/ssb/ssb.h>
#include <linux/delay.h>
#include <linux/io.h>
+#include <linux/etherdevice.h>
#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
@@ -26,59 +27,127 @@
#define SSB_VERBOSE_PCMCIACORESWITCH_DEBUG 0
+/* PCMCIA configuration registers */
+#define SSB_PCMCIA_ADDRESS0 0x2E
+#define SSB_PCMCIA_ADDRESS1 0x30
+#define SSB_PCMCIA_ADDRESS2 0x32
+#define SSB_PCMCIA_MEMSEG 0x34
+#define SSB_PCMCIA_SPROMCTL 0x36
+#define SSB_PCMCIA_SPROMCTL_IDLE 0
+#define SSB_PCMCIA_SPROMCTL_WRITE 1
+#define SSB_PCMCIA_SPROMCTL_READ 2
+#define SSB_PCMCIA_SPROMCTL_WRITEEN 4
+#define SSB_PCMCIA_SPROMCTL_WRITEDIS 7
+#define SSB_PCMCIA_SPROMCTL_DONE 8
+#define SSB_PCMCIA_SPROM_DATALO 0x38
+#define SSB_PCMCIA_SPROM_DATAHI 0x3A
+#define SSB_PCMCIA_SPROM_ADDRLO 0x3C
+#define SSB_PCMCIA_SPROM_ADDRHI 0x3E
+
+/* Hardware invariants CIS tuples */
+#define SSB_PCMCIA_CIS 0x80
+#define SSB_PCMCIA_CIS_ID 0x01
+#define SSB_PCMCIA_CIS_BOARDREV 0x02
+#define SSB_PCMCIA_CIS_PA 0x03
+#define SSB_PCMCIA_CIS_PA_PA0B0_LO 0
+#define SSB_PCMCIA_CIS_PA_PA0B0_HI 1
+#define SSB_PCMCIA_CIS_PA_PA0B1_LO 2
+#define SSB_PCMCIA_CIS_PA_PA0B1_HI 3
+#define SSB_PCMCIA_CIS_PA_PA0B2_LO 4
+#define SSB_PCMCIA_CIS_PA_PA0B2_HI 5
+#define SSB_PCMCIA_CIS_PA_ITSSI 6
+#define SSB_PCMCIA_CIS_PA_MAXPOW 7
+#define SSB_PCMCIA_CIS_OEMNAME 0x04
+#define SSB_PCMCIA_CIS_CCODE 0x05
+#define SSB_PCMCIA_CIS_ANTENNA 0x06
+#define SSB_PCMCIA_CIS_ANTGAIN 0x07
+#define SSB_PCMCIA_CIS_BFLAGS 0x08
+#define SSB_PCMCIA_CIS_LEDS 0x09
+
+/* PCMCIA SPROM size. */
+#define SSB_PCMCIA_SPROM_SIZE 256
+#define SSB_PCMCIA_SPROM_SIZE_BYTES (SSB_PCMCIA_SPROM_SIZE * sizeof(u16))
+
+
+/* Write to a PCMCIA configuration register. */
+static int ssb_pcmcia_cfg_write(struct ssb_bus *bus, u8 offset, u8 value)
+{
+ conf_reg_t reg;
+ int res;
+
+ memset(&reg, 0, sizeof(reg));
+ reg.Offset = offset;
+ reg.Action = CS_WRITE;
+ reg.Value = value;
+ res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
+ if (unlikely(res != CS_SUCCESS))
+ return -EBUSY;
+
+ return 0;
+}
+
+/* Read from a PCMCIA configuration register. */
+static int ssb_pcmcia_cfg_read(struct ssb_bus *bus, u8 offset, u8 *value)
+{
+ conf_reg_t reg;
+ int res;
+
+ memset(&reg, 0, sizeof(reg));
+ reg.Offset = offset;
+ reg.Action = CS_READ;
+ res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
+ if (unlikely(res != CS_SUCCESS))
+ return -EBUSY;
+ *value = reg.Value;
+
+ return 0;
+}
+
int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
u8 coreidx)
{
- struct pcmcia_device *pdev = bus->host_pcmcia;
int err;
int attempts = 0;
u32 cur_core;
- conf_reg_t reg;
u32 addr;
u32 read_addr;
+ u8 val;
addr = (coreidx * SSB_CORE_SIZE) + SSB_ENUM_BASE;
while (1) {
- reg.Action = CS_WRITE;
- reg.Offset = 0x2E;
- reg.Value = (addr & 0x0000F000) >> 12;
- err = pcmcia_access_configuration_register(pdev, &reg);
- if (err != CS_SUCCESS)
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_ADDRESS0,
+ (addr & 0x0000F000) >> 12);
+ if (err)
goto error;
- reg.Offset = 0x30;
- reg.Value = (addr & 0x00FF0000) >> 16;
- err = pcmcia_access_configuration_register(pdev, &reg);
- if (err != CS_SUCCESS)
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_ADDRESS1,
+ (addr & 0x00FF0000) >> 16);
+ if (err)
goto error;
- reg.Offset = 0x32;
- reg.Value = (addr & 0xFF000000) >> 24;
- err = pcmcia_access_configuration_register(pdev, &reg);
- if (err != CS_SUCCESS)
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_ADDRESS2,
+ (addr & 0xFF000000) >> 24);
+ if (err)
goto error;
read_addr = 0;
- reg.Action = CS_READ;
- reg.Offset = 0x2E;
- err = pcmcia_access_configuration_register(pdev, &reg);
- if (err != CS_SUCCESS)
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_ADDRESS0, &val);
+ if (err)
goto error;
- read_addr |= ((u32)(reg.Value & 0x0F)) << 12;
- reg.Offset = 0x30;
- err = pcmcia_access_configuration_register(pdev, &reg);
- if (err != CS_SUCCESS)
+ read_addr |= ((u32)(val & 0x0F)) << 12;
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_ADDRESS1, &val);
+ if (err)
goto error;
- read_addr |= ((u32)reg.Value) << 16;
- reg.Offset = 0x32;
- err = pcmcia_access_configuration_register(pdev, &reg);
- if (err != CS_SUCCESS)
+ read_addr |= ((u32)val) << 16;
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_ADDRESS2, &val);
+ if (err)
goto error;
- read_addr |= ((u32)reg.Value) << 24;
+ read_addr |= ((u32)val) << 24;
cur_core = (read_addr - SSB_ENUM_BASE) / SSB_CORE_SIZE;
if (cur_core == coreidx)
break;
+ err = -ETIMEDOUT;
if (attempts++ > SSB_BAR0_MAX_RETRIES)
goto error;
udelay(10);
@@ -87,7 +156,7 @@ int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
return 0;
error:
ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx);
- return -ENODEV;
+ return err;
}
int ssb_pcmcia_switch_core(struct ssb_bus *bus,
@@ -112,27 +181,21 @@ int ssb_pcmcia_switch_core(struct ssb_bus *bus,
int ssb_pcmcia_switch_segment(struct ssb_bus *bus, u8 seg)
{
int attempts = 0;
- conf_reg_t reg;
- int res;
+ int err;
+ u8 val;
SSB_WARN_ON((seg != 0) && (seg != 1));
- reg.Offset = 0x34;
- reg.Function = 0;
while (1) {
- reg.Action = CS_WRITE;
- reg.Value = seg;
- res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
- if (unlikely(res != CS_SUCCESS))
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_MEMSEG, seg);
+ if (err)
goto error;
- reg.Value = 0xFF;
- reg.Action = CS_READ;
- res = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
- if (unlikely(res != CS_SUCCESS))
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_MEMSEG, &val);
+ if (err)
goto error;
-
- if (reg.Value == seg)
+ if (val == seg)
break;
+ err = -ETIMEDOUT;
if (unlikely(attempts++ > SSB_BAR0_MAX_RETRIES))
goto error;
udelay(10);
@@ -142,7 +205,7 @@ int ssb_pcmcia_switch_segment(struct ssb_bus *bus, u8 seg)
return 0;
error:
ssb_printk(KERN_ERR PFX "Failed to switch pcmcia segment\n");
- return -ENODEV;
+ return err;
}
static int select_core_and_segment(struct ssb_device *dev,
@@ -172,6 +235,22 @@ static int select_core_and_segment(struct ssb_device *dev,
return 0;
}
+static u8 ssb_pcmcia_read8(struct ssb_device *dev, u16 offset)
+{
+ struct ssb_bus *bus = dev->bus;
+ unsigned long flags;
+ int err;
+ u8 value = 0xFF;
+
+ spin_lock_irqsave(&bus->bar_lock, flags);
+ err = select_core_and_segment(dev, &offset);
+ if (likely(!err))
+ value = readb(bus->mmio + offset);
+ spin_unlock_irqrestore(&bus->bar_lock, flags);
+
+ return value;
+}
+
static u16 ssb_pcmcia_read16(struct ssb_device *dev, u16 offset)
{
struct ssb_bus *bus = dev->bus;
@@ -206,6 +285,78 @@ static u32 ssb_pcmcia_read32(struct ssb_device *dev, u16 offset)
return (lo | (hi << 16));
}
+#ifdef CONFIG_SSB_BLOCKIO
+static void ssb_pcmcia_block_read(struct ssb_device *dev, void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ struct ssb_bus *bus = dev->bus;
+ unsigned long flags;
+ void __iomem *addr = bus->mmio + offset;
+ int err;
+
+ spin_lock_irqsave(&bus->bar_lock, flags);
+ err = select_core_and_segment(dev, &offset);
+ if (unlikely(err)) {
+ memset(buffer, 0xFF, count);
+ goto unlock;
+ }
+ switch (reg_width) {
+ case sizeof(u8): {
+ u8 *buf = buffer;
+
+ while (count) {
+ *buf = __raw_readb(addr);
+ buf++;
+ count--;
+ }
+ break;
+ }
+ case sizeof(u16): {
+ __le16 *buf = buffer;
+
+ SSB_WARN_ON(count & 1);
+ while (count) {
+ *buf = (__force __le16)__raw_readw(addr);
+ buf++;
+ count -= 2;
+ }
+ break;
+ }
+ case sizeof(u32): {
+ __le16 *buf = buffer;
+
+ SSB_WARN_ON(count & 3);
+ while (count) {
+ *buf = (__force __le16)__raw_readw(addr);
+ buf++;
+ *buf = (__force __le16)__raw_readw(addr + 2);
+ buf++;
+ count -= 4;
+ }
+ break;
+ }
+ default:
+ SSB_WARN_ON(1);
+ }
+unlock:
+ spin_unlock_irqrestore(&bus->bar_lock, flags);
+}
+#endif /* CONFIG_SSB_BLOCKIO */
+
+static void ssb_pcmcia_write8(struct ssb_device *dev, u16 offset, u8 value)
+{
+ struct ssb_bus *bus = dev->bus;
+ unsigned long flags;
+ int err;
+
+ spin_lock_irqsave(&bus->bar_lock, flags);
+ err = select_core_and_segment(dev, &offset);
+ if (likely(!err))
+ writeb(value, bus->mmio + offset);
+ mmiowb();
+ spin_unlock_irqrestore(&bus->bar_lock, flags);
+}
+
static void ssb_pcmcia_write16(struct ssb_device *dev, u16 offset, u16 value)
{
struct ssb_bus *bus = dev->bus;
@@ -236,26 +387,425 @@ static void ssb_pcmcia_write32(struct ssb_device *dev, u16 offset, u32 value)
spin_unlock_irqrestore(&bus->bar_lock, flags);
}
+#ifdef CONFIG_SSB_BLOCKIO
+static void ssb_pcmcia_block_write(struct ssb_device *dev, const void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ struct ssb_bus *bus = dev->bus;
+ unsigned long flags;
+ void __iomem *addr = bus->mmio + offset;
+ int err;
+
+ spin_lock_irqsave(&bus->bar_lock, flags);
+ err = select_core_and_segment(dev, &offset);
+ if (unlikely(err))
+ goto unlock;
+ switch (reg_width) {
+ case sizeof(u8): {
+ const u8 *buf = buffer;
+
+ while (count) {
+ __raw_writeb(*buf, addr);
+ buf++;
+ count--;
+ }
+ break;
+ }
+ case sizeof(u16): {
+ const __le16 *buf = buffer;
+
+ SSB_WARN_ON(count & 1);
+ while (count) {
+ __raw_writew((__force u16)(*buf), addr);
+ buf++;
+ count -= 2;
+ }
+ break;
+ }
+ case sizeof(u32): {
+ const __le16 *buf = buffer;
+
+ SSB_WARN_ON(count & 3);
+ while (count) {
+ __raw_writew((__force u16)(*buf), addr);
+ buf++;
+ __raw_writew((__force u16)(*buf), addr + 2);
+ buf++;
+ count -= 4;
+ }
+ break;
+ }
+ default:
+ SSB_WARN_ON(1);
+ }
+unlock:
+ mmiowb();
+ spin_unlock_irqrestore(&bus->bar_lock, flags);
+}
+#endif /* CONFIG_SSB_BLOCKIO */
+
/* Not "static", as it's used in main.c */
const struct ssb_bus_ops ssb_pcmcia_ops = {
+ .read8 = ssb_pcmcia_read8,
.read16 = ssb_pcmcia_read16,
.read32 = ssb_pcmcia_read32,
+ .write8 = ssb_pcmcia_write8,
.write16 = ssb_pcmcia_write16,
.write32 = ssb_pcmcia_write32,
+#ifdef CONFIG_SSB_BLOCKIO
+ .block_read = ssb_pcmcia_block_read,
+ .block_write = ssb_pcmcia_block_write,
+#endif
};
-#include <linux/etherdevice.h>
+static int ssb_pcmcia_sprom_command(struct ssb_bus *bus, u8 command)
+{
+ unsigned int i;
+ int err;
+ u8 value;
+
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROMCTL, command);
+ if (err)
+ return err;
+ for (i = 0; i < 1000; i++) {
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_SPROMCTL, &value);
+ if (err)
+ return err;
+ if (value & SSB_PCMCIA_SPROMCTL_DONE)
+ return 0;
+ udelay(10);
+ }
+
+ return -ETIMEDOUT;
+}
+
+/* offset is the 16bit word offset */
+static int ssb_pcmcia_sprom_read(struct ssb_bus *bus, u16 offset, u16 *value)
+{
+ int err;
+ u8 lo, hi;
+
+ offset *= 2; /* Make byte offset */
+
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRLO,
+ (offset & 0x00FF));
+ if (err)
+ return err;
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRHI,
+ (offset & 0xFF00) >> 8);
+ if (err)
+ return err;
+ err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_READ);
+ if (err)
+ return err;
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_SPROM_DATALO, &lo);
+ if (err)
+ return err;
+ err = ssb_pcmcia_cfg_read(bus, SSB_PCMCIA_SPROM_DATAHI, &hi);
+ if (err)
+ return err;
+ *value = (lo | (((u16)hi) << 8));
+
+ return 0;
+}
+
+/* offset is the 16bit word offset */
+static int ssb_pcmcia_sprom_write(struct ssb_bus *bus, u16 offset, u16 value)
+{
+ int err;
+
+ offset *= 2; /* Make byte offset */
+
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRLO,
+ (offset & 0x00FF));
+ if (err)
+ return err;
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_ADDRHI,
+ (offset & 0xFF00) >> 8);
+ if (err)
+ return err;
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_DATALO,
+ (value & 0x00FF));
+ if (err)
+ return err;
+ err = ssb_pcmcia_cfg_write(bus, SSB_PCMCIA_SPROM_DATAHI,
+ (value & 0xFF00) >> 8);
+ if (err)
+ return err;
+ err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_WRITE);
+ if (err)
+ return err;
+ msleep(20);
+
+ return 0;
+}
+
+/* Read the SPROM image. bufsize is in 16bit words. */
+static int ssb_pcmcia_sprom_read_all(struct ssb_bus *bus, u16 *sprom)
+{
+ int err, i;
+
+ for (i = 0; i < SSB_PCMCIA_SPROM_SIZE; i++) {
+ err = ssb_pcmcia_sprom_read(bus, i, &sprom[i]);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+/* Write the SPROM image. size is in 16bit words. */
+static int ssb_pcmcia_sprom_write_all(struct ssb_bus *bus, const u16 *sprom)
+{
+ int i, err;
+ bool failed = 0;
+ size_t size = SSB_PCMCIA_SPROM_SIZE;
+
+ ssb_printk(KERN_NOTICE PFX
+ "Writing SPROM. Do NOT turn off the power! "
+ "Please stand by...\n");
+ err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_WRITEEN);
+ if (err) {
+ ssb_printk(KERN_NOTICE PFX
+ "Could not enable SPROM write access.\n");
+ return -EBUSY;
+ }
+ ssb_printk(KERN_NOTICE PFX "[ 0%%");
+ msleep(500);
+ for (i = 0; i < size; i++) {
+ if (i == size / 4)
+ ssb_printk("25%%");
+ else if (i == size / 2)
+ ssb_printk("50%%");
+ else if (i == (size * 3) / 4)
+ ssb_printk("75%%");
+ else if (i % 2)
+ ssb_printk(".");
+ err = ssb_pcmcia_sprom_write(bus, i, sprom[i]);
+ if (err) {
+ ssb_printk("\n" KERN_NOTICE PFX
+ "Failed to write to SPROM.\n");
+ failed = 1;
+ break;
+ }
+ }
+ err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_WRITEDIS);
+ if (err) {
+ ssb_printk("\n" KERN_NOTICE PFX
+ "Could not disable SPROM write access.\n");
+ failed = 1;
+ }
+ msleep(500);
+ if (!failed) {
+ ssb_printk("100%% ]\n");
+ ssb_printk(KERN_NOTICE PFX "SPROM written.\n");
+ }
+
+ return failed ? -EBUSY : 0;
+}
+
+static int ssb_pcmcia_sprom_check_crc(const u16 *sprom, size_t size)
+{
+ //TODO
+ return 0;
+}
+
+#define GOTO_ERROR_ON(condition, description) do { \
+ if (unlikely(condition)) { \
+ error_description = description; \
+ goto error; \
+ } \
+ } while (0)
+
int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
struct ssb_init_invariants *iv)
{
- //TODO
- random_ether_addr(iv->sprom.il0mac);
+ tuple_t tuple;
+ int res;
+ unsigned char buf[32];
+ struct ssb_sprom *sprom = &iv->sprom;
+ struct ssb_boardinfo *bi = &iv->boardinfo;
+ const char *error_description;
+
+ memset(sprom, 0xFF, sizeof(*sprom));
+ sprom->revision = 1;
+ sprom->boardflags_lo = 0;
+ sprom->boardflags_hi = 0;
+
+ /* First fetch the MAC address. */
+ memset(&tuple, 0, sizeof(tuple));
+ tuple.DesiredTuple = CISTPL_FUNCE;
+ tuple.TupleData = buf;
+ tuple.TupleDataMax = sizeof(buf);
+ res = pcmcia_get_first_tuple(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "MAC first tpl");
+ res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "MAC first tpl data");
+ while (1) {
+ GOTO_ERROR_ON(tuple.TupleDataLen < 1, "MAC tpl < 1");
+ if (tuple.TupleData[0] == CISTPL_FUNCE_LAN_NODE_ID)
+ break;
+ res = pcmcia_get_next_tuple(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "MAC next tpl");
+ res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "MAC next tpl data");
+ }
+ GOTO_ERROR_ON(tuple.TupleDataLen != ETH_ALEN + 2, "MAC tpl size");
+ memcpy(sprom->il0mac, &tuple.TupleData[2], ETH_ALEN);
+
+ /* Fetch the vendor specific tuples. */
+ memset(&tuple, 0, sizeof(tuple));
+ tuple.DesiredTuple = SSB_PCMCIA_CIS;
+ tuple.TupleData = buf;
+ tuple.TupleDataMax = sizeof(buf);
+ res = pcmcia_get_first_tuple(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "VEN first tpl");
+ res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "VEN first tpl data");
+ while (1) {
+ GOTO_ERROR_ON(tuple.TupleDataLen < 1, "VEN tpl < 1");
+ switch (tuple.TupleData[0]) {
+ case SSB_PCMCIA_CIS_ID:
+ GOTO_ERROR_ON((tuple.TupleDataLen != 5) &&
+ (tuple.TupleDataLen != 7),
+ "id tpl size");
+ bi->vendor = tuple.TupleData[1] |
+ ((u16)tuple.TupleData[2] << 8);
+ break;
+ case SSB_PCMCIA_CIS_BOARDREV:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 2,
+ "boardrev tpl size");
+ sprom->board_rev = tuple.TupleData[1];
+ break;
+ case SSB_PCMCIA_CIS_PA:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 9,
+ "pa tpl size");
+ sprom->pa0b0 = tuple.TupleData[1] |
+ ((u16)tuple.TupleData[2] << 8);
+ sprom->pa0b1 = tuple.TupleData[3] |
+ ((u16)tuple.TupleData[4] << 8);
+ sprom->pa0b2 = tuple.TupleData[5] |
+ ((u16)tuple.TupleData[6] << 8);
+ sprom->itssi_a = tuple.TupleData[7];
+ sprom->itssi_bg = tuple.TupleData[7];
+ sprom->maxpwr_a = tuple.TupleData[8];
+ sprom->maxpwr_bg = tuple.TupleData[8];
+ break;
+ case SSB_PCMCIA_CIS_OEMNAME:
+ /* We ignore this. */
+ break;
+ case SSB_PCMCIA_CIS_CCODE:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 2,
+ "ccode tpl size");
+ sprom->country_code = tuple.TupleData[1];
+ break;
+ case SSB_PCMCIA_CIS_ANTENNA:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 2,
+ "ant tpl size");
+ sprom->ant_available_a = tuple.TupleData[1];
+ sprom->ant_available_bg = tuple.TupleData[1];
+ break;
+ case SSB_PCMCIA_CIS_ANTGAIN:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 2,
+ "antg tpl size");
+ sprom->antenna_gain.ghz24.a0 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz24.a1 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz24.a2 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz24.a3 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz5.a0 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz5.a1 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz5.a2 = tuple.TupleData[1];
+ sprom->antenna_gain.ghz5.a3 = tuple.TupleData[1];
+ break;
+ case SSB_PCMCIA_CIS_BFLAGS:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 3,
+ "bfl tpl size");
+ sprom->boardflags_lo = tuple.TupleData[1] |
+ ((u16)tuple.TupleData[2] << 8);
+ break;
+ case SSB_PCMCIA_CIS_LEDS:
+ GOTO_ERROR_ON(tuple.TupleDataLen != 5,
+ "leds tpl size");
+ sprom->gpio0 = tuple.TupleData[1];
+ sprom->gpio1 = tuple.TupleData[2];
+ sprom->gpio2 = tuple.TupleData[3];
+ sprom->gpio3 = tuple.TupleData[4];
+ break;
+ }
+ res = pcmcia_get_next_tuple(bus->host_pcmcia, &tuple);
+ if (res == CS_NO_MORE_ITEMS)
+ break;
+ GOTO_ERROR_ON(res != CS_SUCCESS, "VEN next tpl");
+ res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);
+ GOTO_ERROR_ON(res != CS_SUCCESS, "VEN next tpl data");
+ }
+
return 0;
+error:
+ ssb_printk(KERN_ERR PFX
+ "PCMCIA: Failed to fetch device invariants: %s\n",
+ error_description);
+ return -ENODEV;
}
-int ssb_pcmcia_init(struct ssb_bus *bus)
+static ssize_t ssb_pcmcia_attr_sprom_show(struct device *pcmciadev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct pcmcia_device *pdev =
+ container_of(pcmciadev, struct pcmcia_device, dev);
+ struct ssb_bus *bus;
+
+ bus = ssb_pcmcia_dev_to_bus(pdev);
+ if (!bus)
+ return -ENODEV;
+
+ return ssb_attr_sprom_show(bus, buf,
+ ssb_pcmcia_sprom_read_all);
+}
+
+static ssize_t ssb_pcmcia_attr_sprom_store(struct device *pcmciadev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct pcmcia_device *pdev =
+ container_of(pcmciadev, struct pcmcia_device, dev);
+ struct ssb_bus *bus;
+
+ bus = ssb_pcmcia_dev_to_bus(pdev);
+ if (!bus)
+ return -ENODEV;
+
+ return ssb_attr_sprom_store(bus, buf, count,
+ ssb_pcmcia_sprom_check_crc,
+ ssb_pcmcia_sprom_write_all);
+}
+
+static DEVICE_ATTR(ssb_sprom, 0600,
+ ssb_pcmcia_attr_sprom_show,
+ ssb_pcmcia_attr_sprom_store);
+
+static int ssb_pcmcia_cor_setup(struct ssb_bus *bus, u8 cor)
+{
+ u8 val;
+ int err;
+
+ err = ssb_pcmcia_cfg_read(bus, cor, &val);
+ if (err)
+ return err;
+ val &= ~COR_SOFT_RESET;
+ val |= COR_FUNC_ENA | COR_IREQ_ENA | COR_LEVEL_REQ;
+ err = ssb_pcmcia_cfg_write(bus, cor, val);
+ if (err)
+ return err;
+ msleep(40);
+
+ return 0;
+}
+
+/* Initialize the PCMCIA hardware. This is called on Init and Resume. */
+int ssb_pcmcia_hardware_setup(struct ssb_bus *bus)
{
- conf_reg_t reg;
int err;
if (bus->bustype != SSB_BUSTYPE_PCMCIA)
@@ -264,24 +814,45 @@ int ssb_pcmcia_init(struct ssb_bus *bus)
/* Switch segment to a known state and sync
* bus->mapped_pcmcia_seg with hardware state. */
ssb_pcmcia_switch_segment(bus, 0);
+ /* Init the COR register. */
+ err = ssb_pcmcia_cor_setup(bus, CISREG_COR);
+ if (err)
+ return err;
+ /* Some cards also need this register to get poked. */
+ err = ssb_pcmcia_cor_setup(bus, CISREG_COR + 0x80);
+ if (err)
+ return err;
- /* Init IRQ routing */
- reg.Action = CS_READ;
- reg.Function = 0;
- if (bus->chip_id == 0x4306)
- reg.Offset = 0x00;
- else
- reg.Offset = 0x80;
- err = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
- if (err != CS_SUCCESS)
+ return 0;
+}
+
+void ssb_pcmcia_exit(struct ssb_bus *bus)
+{
+ if (bus->bustype != SSB_BUSTYPE_PCMCIA)
+ return;
+
+ device_remove_file(&bus->host_pcmcia->dev, &dev_attr_ssb_sprom);
+}
+
+int ssb_pcmcia_init(struct ssb_bus *bus)
+{
+ int err;
+
+ if (bus->bustype != SSB_BUSTYPE_PCMCIA)
+ return 0;
+
+ err = ssb_pcmcia_hardware_setup(bus);
+ if (err)
goto error;
- reg.Action = CS_WRITE;
- reg.Value |= 0x04 | 0x01;
- err = pcmcia_access_configuration_register(bus->host_pcmcia, &reg);
- if (err != CS_SUCCESS)
+
+ bus->sprom_size = SSB_PCMCIA_SPROM_SIZE;
+ mutex_init(&bus->sprom_mutex);
+ err = device_create_file(&bus->host_pcmcia->dev, &dev_attr_ssb_sprom);
+ if (err)
goto error;
return 0;
error:
- return -ENODEV;
+ ssb_printk(KERN_ERR PFX "Failed to initialize PCMCIA host device\n");
+ return err;
}
diff --git a/drivers/ssb/sprom.c b/drivers/ssb/sprom.c
new file mode 100644
index 000000000000..3668edb39315
--- /dev/null
+++ b/drivers/ssb/sprom.c
@@ -0,0 +1,133 @@
+/*
+ * Sonics Silicon Backplane
+ * Common SPROM support routines
+ *
+ * Copyright (C) 2005-2008 Michael Buesch <mb@bu3sch.de>
+ * Copyright (C) 2005 Martin Langer <martin-langer@gmx.de>
+ * Copyright (C) 2005 Stefano Brivio <st3@riseup.net>
+ * Copyright (C) 2005 Danny van Dyk <kugelfang@gentoo.org>
+ * Copyright (C) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "ssb_private.h"
+
+
+static int sprom2hex(const u16 *sprom, char *buf, size_t buf_len,
+ size_t sprom_size_words)
+{
+ int i, pos = 0;
+
+ for (i = 0; i < sprom_size_words; i++)
+ pos += snprintf(buf + pos, buf_len - pos - 1,
+ "%04X", swab16(sprom[i]) & 0xFFFF);
+ pos += snprintf(buf + pos, buf_len - pos - 1, "\n");
+
+ return pos + 1;
+}
+
+static int hex2sprom(u16 *sprom, const char *dump, size_t len,
+ size_t sprom_size_words)
+{
+ char tmp[5] = { 0 };
+ int cnt = 0;
+ unsigned long parsed;
+
+ if (len < sprom_size_words * 2)
+ return -EINVAL;
+
+ while (cnt < sprom_size_words) {
+ memcpy(tmp, dump, 4);
+ dump += 4;
+ parsed = simple_strtoul(tmp, NULL, 16);
+ sprom[cnt++] = swab16((u16)parsed);
+ }
+
+ return 0;
+}
+
+/* Common sprom device-attribute show-handler */
+ssize_t ssb_attr_sprom_show(struct ssb_bus *bus, char *buf,
+ int (*sprom_read)(struct ssb_bus *bus, u16 *sprom))
+{
+ u16 *sprom;
+ int err = -ENOMEM;
+ ssize_t count = 0;
+ size_t sprom_size_words = bus->sprom_size;
+
+ sprom = kcalloc(sprom_size_words, sizeof(u16), GFP_KERNEL);
+ if (!sprom)
+ goto out;
+
+ /* Use interruptible locking, as the SPROM write might
+ * be holding the lock for several seconds. So allow userspace
+ * to cancel operation. */
+ err = -ERESTARTSYS;
+ if (mutex_lock_interruptible(&bus->sprom_mutex))
+ goto out_kfree;
+ err = sprom_read(bus, sprom);
+ mutex_unlock(&bus->sprom_mutex);
+
+ if (!err)
+ count = sprom2hex(sprom, buf, PAGE_SIZE, sprom_size_words);
+
+out_kfree:
+ kfree(sprom);
+out:
+ return err ? err : count;
+}
+
+/* Common sprom device-attribute store-handler */
+ssize_t ssb_attr_sprom_store(struct ssb_bus *bus,
+ const char *buf, size_t count,
+ int (*sprom_check_crc)(const u16 *sprom, size_t size),
+ int (*sprom_write)(struct ssb_bus *bus, const u16 *sprom))
+{
+ u16 *sprom;
+ int res = 0, err = -ENOMEM;
+ size_t sprom_size_words = bus->sprom_size;
+
+ sprom = kcalloc(bus->sprom_size, sizeof(u16), GFP_KERNEL);
+ if (!sprom)
+ goto out;
+ err = hex2sprom(sprom, buf, count, sprom_size_words);
+ if (err) {
+ err = -EINVAL;
+ goto out_kfree;
+ }
+ err = sprom_check_crc(sprom, sprom_size_words);
+ if (err) {
+ err = -EINVAL;
+ goto out_kfree;
+ }
+
+ /* Use interruptible locking, as the SPROM write might
+ * be holding the lock for several seconds. So allow userspace
+ * to cancel operation. */
+ err = -ERESTARTSYS;
+ if (mutex_lock_interruptible(&bus->sprom_mutex))
+ goto out_kfree;
+ err = ssb_devices_freeze(bus);
+ if (err == -EOPNOTSUPP) {
+ ssb_printk(KERN_ERR PFX "SPROM write: Could not freeze devices. "
+ "No suspend support. Is CONFIG_PM enabled?\n");
+ goto out_unlock;
+ }
+ if (err) {
+ ssb_printk(KERN_ERR PFX "SPROM write: Could not freeze all devices\n");
+ goto out_unlock;
+ }
+ res = sprom_write(bus, sprom);
+ err = ssb_devices_thaw(bus);
+ if (err)
+ ssb_printk(KERN_ERR PFX "SPROM write: Could not thaw all devices\n");
+out_unlock:
+ mutex_unlock(&bus->sprom_mutex);
+out_kfree:
+ kfree(sprom);
+out:
+ if (res)
+ return res;
+ return err ? err : count;
+}
diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h
index 21eca2b5118b..ebc32d8fe15f 100644
--- a/drivers/ssb/ssb_private.h
+++ b/drivers/ssb/ssb_private.h
@@ -81,6 +81,8 @@ extern int ssb_pcmcia_switch_segment(struct ssb_bus *bus,
u8 seg);
extern int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
struct ssb_init_invariants *iv);
+extern int ssb_pcmcia_hardware_setup(struct ssb_bus *bus);
+extern void ssb_pcmcia_exit(struct ssb_bus *bus);
extern int ssb_pcmcia_init(struct ssb_bus *bus);
extern const struct ssb_bus_ops ssb_pcmcia_ops;
#else /* CONFIG_SSB_PCMCIAHOST */
@@ -99,6 +101,13 @@ static inline int ssb_pcmcia_switch_segment(struct ssb_bus *bus,
{
return 0;
}
+static inline int ssb_pcmcia_hardware_setup(struct ssb_bus *bus)
+{
+ return 0;
+}
+static inline void ssb_pcmcia_exit(struct ssb_bus *bus)
+{
+}
static inline int ssb_pcmcia_init(struct ssb_bus *bus)
{
return 0;
@@ -113,11 +122,26 @@ extern int ssb_bus_scan(struct ssb_bus *bus,
extern void ssb_iounmap(struct ssb_bus *ssb);
+/* sprom.c */
+extern
+ssize_t ssb_attr_sprom_show(struct ssb_bus *bus, char *buf,
+ int (*sprom_read)(struct ssb_bus *bus, u16 *sprom));
+extern
+ssize_t ssb_attr_sprom_store(struct ssb_bus *bus,
+ const char *buf, size_t count,
+ int (*sprom_check_crc)(const u16 *sprom, size_t size),
+ int (*sprom_write)(struct ssb_bus *bus, const u16 *sprom));
+
+
/* core.c */
extern u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m);
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));
+extern struct ssb_bus *ssb_pcmcia_dev_to_bus(struct pcmcia_device *pdev);
+
/* b43_pci_bridge.c */
#ifdef CONFIG_SSB_B43_PCI_BRIDGE
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 19:10:24 +0000