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-rw-r--r--drivers/ssb/Kconfig75
-rw-r--r--drivers/ssb/Makefile6
-rw-r--r--drivers/ssb/b43_pci_bridge.c11
-rw-r--r--drivers/ssb/driver_chipcommon.c303
-rw-r--r--drivers/ssb/driver_chipcommon_pmu.c716
-rw-r--r--drivers/ssb/driver_chipcommon_sflash.c164
-rw-r--r--drivers/ssb/driver_extif.c69
-rw-r--r--drivers/ssb/driver_gige.c297
-rw-r--r--drivers/ssb/driver_gpio.c484
-rw-r--r--drivers/ssb/driver_mipscore.c181
-rw-r--r--drivers/ssb/driver_pcicore.c429
-rw-r--r--drivers/ssb/embedded.c128
-rw-r--r--drivers/ssb/main.c710
-rw-r--r--drivers/ssb/pci.c802
-rw-r--r--drivers/ssb/pcihost_wrapper.c25
-rw-r--r--drivers/ssb/pcmcia.c699
-rw-r--r--drivers/ssb/scan.c75
-rw-r--r--drivers/ssb/sdio.c606
-rw-r--r--drivers/ssb/sprom.c200
-rw-r--r--drivers/ssb/ssb_private.h177
20 files changed, 5368 insertions, 789 deletions
diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig
index adea792fb67..75b3603906c 100644
--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
@@ -1,10 +1,11 @@
-menu "Sonics Silicon Backplane"
-
config SSB_POSSIBLE
bool
- depends on HAS_IOMEM
+ depends on HAS_IOMEM && HAS_DMA
default y
+menu "Sonics Silicon Backplane"
+ depends on SSB_POSSIBLE
+
config SSB
tristate "Sonics Silicon Backplane support"
depends on SSB_POSSIBLE
@@ -20,6 +21,15 @@ 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 +38,7 @@ 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
@@ -42,21 +53,36 @@ config SSB_B43_PCI_BRIDGE
config SSB_PCMCIAHOST_POSSIBLE
bool
- depends on SSB && (PCMCIA = y || PCMCIA = SSB) && EXPERIMENTAL
+ depends on SSB && (PCMCIA = y || PCMCIA = SSB)
default y
config SSB_PCMCIAHOST
- bool "Support for SSB on PCMCIA-bus host (EXPERIMENTAL)"
+ bool "Support for SSB on PCMCIA-bus host"
depends on SSB_PCMCIAHOST_POSSIBLE
+ select SSB_SPROM
help
Support for a Sonics Silicon Backplane on top
of a PCMCIA device.
If unsure, say N
+config SSB_SDIOHOST_POSSIBLE
+ bool
+ depends on SSB && (MMC = y || MMC = SSB)
+ default y
+
+config SSB_SDIOHOST
+ bool "Support for SSB on SDIO-bus host"
+ depends on SSB_SDIOHOST_POSSIBLE
+ help
+ Support for a Sonics Silicon Backplane on top
+ of a SDIO device.
+
+ If unsure, say N
+
config SSB_SILENT
bool "No SSB kernel messages"
- depends on SSB && EMBEDDED
+ depends on SSB && EXPERT
help
This option turns off all Sonics Silicon Backplane printks.
Note that you won't be able to identify problems, once
@@ -95,14 +121,14 @@ config SSB_DRIVER_PCICORE
If unsure, say Y
config SSB_PCICORE_HOSTMODE
- bool "Hostmode support for SSB PCI core (EXPERIMENTAL)"
- depends on SSB_DRIVER_PCICORE && SSB_DRIVER_MIPS && EXPERIMENTAL
+ bool "Hostmode support for SSB PCI core"
+ depends on SSB_DRIVER_PCICORE && SSB_DRIVER_MIPS
help
PCIcore hostmode operation (external PCI bus).
config SSB_DRIVER_MIPS
- bool "SSB Broadcom MIPS core driver (EXPERIMENTAL)"
- depends on SSB && MIPS && EXPERIMENTAL
+ bool "SSB Broadcom MIPS core driver"
+ depends on SSB && MIPS
select SSB_SERIAL
help
Driver for the Sonics Silicon Backplane attached
@@ -110,19 +136,42 @@ config SSB_DRIVER_MIPS
If unsure, say N
+config SSB_SFLASH
+ bool "SSB serial flash support"
+ depends on SSB_DRIVER_MIPS
+ default y
+
# Assumption: We are on embedded, if we compile the MIPS core.
config SSB_EMBEDDED
bool
- depends on SSB_DRIVER_MIPS
+ depends on SSB_DRIVER_MIPS && SSB_PCICORE_HOSTMODE
default y
config SSB_DRIVER_EXTIF
- bool "SSB Broadcom EXTIF core driver (EXPERIMENTAL)"
- depends on SSB_DRIVER_MIPS && EXPERIMENTAL
+ bool "SSB Broadcom EXTIF core driver"
+ depends on SSB_DRIVER_MIPS
help
Driver for the Sonics Silicon Backplane attached
Broadcom EXTIF core.
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
+
+config SSB_DRIVER_GPIO
+ bool "SSB GPIO driver"
+ depends on SSB && GPIOLIB
+ select IRQ_DOMAIN if SSB_EMBEDDED
+ help
+ Driver to provide access to the GPIO pins on the bus.
+
+ If unsure, say N
+
endmenu
diff --git a/drivers/ssb/Makefile b/drivers/ssb/Makefile
index de94c2eb7a3..b1ddc116d38 100644
--- a/drivers/ssb/Makefile
+++ b/drivers/ssb/Makefile
@@ -1,16 +1,22 @@
# core
ssb-y += main.o scan.o
ssb-$(CONFIG_SSB_EMBEDDED) += embedded.o
+ssb-$(CONFIG_SSB_SPROM) += sprom.o
# host support
ssb-$(CONFIG_SSB_PCIHOST) += pci.o pcihost_wrapper.o
ssb-$(CONFIG_SSB_PCMCIAHOST) += pcmcia.o
+ssb-$(CONFIG_SSB_SDIOHOST) += sdio.o
# built-in drivers
ssb-y += driver_chipcommon.o
+ssb-y += driver_chipcommon_pmu.o
+ssb-$(CONFIG_SSB_SFLASH) += driver_chipcommon_sflash.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
+ssb-$(CONFIG_SSB_DRIVER_GPIO) += driver_gpio.o
# b43 pci-ssb-bridge driver
# Not strictly a part of SSB, but kept here for convenience
diff --git a/drivers/ssb/b43_pci_bridge.c b/drivers/ssb/b43_pci_bridge.c
index 2d27d6d6d08..19396dc4ee4 100644
--- a/drivers/ssb/b43_pci_bridge.c
+++ b/drivers/ssb/b43_pci_bridge.c
@@ -5,12 +5,13 @@
* because of its small size we include it in the SSB core
* instead of creating a standalone module.
*
- * Copyright 2007 Michael Buesch <mb@bu3sch.de>
+ * Copyright 2007 Michael Buesch <m@bues.ch>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
#include <linux/pci.h>
+#include <linux/module.h>
#include <linux/ssb/ssb.h>
#include "ssb_private.h"
@@ -18,17 +19,25 @@
static const struct pci_device_id b43_pci_bridge_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4301) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4306) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4307) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4311) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4312) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4315) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4318) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BCM_GVC, 0x4318) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4319) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4320) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4321) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4322) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43222) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4324) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4325) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4328) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4329) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x432b) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x432c) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4350) },
{ 0, },
};
MODULE_DEVICE_TABLE(pci, b43_pci_bridge_tbl);
diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c
index e586321a473..7cb7d2c8fd8 100644
--- a/drivers/ssb/driver_chipcommon.c
+++ b/drivers/ssb/driver_chipcommon.c
@@ -3,14 +3,17 @@
* Broadcom ChipCommon core driver
*
* Copyright 2005, Broadcom Corporation
- * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
+ * Copyright 2006, 2007, Michael Buesch <m@bues.ch>
+ * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_regs.h>
+#include <linux/export.h>
#include <linux/pci.h>
+#include <linux/bcm47xx_wdt.h>
#include "ssb_private.h"
@@ -26,19 +29,6 @@ enum ssb_clksrc {
};
-static inline u32 chipco_read32(struct ssb_chipcommon *cc,
- u16 offset)
-{
- return ssb_read32(cc->dev, offset);
-}
-
-static inline void chipco_write32(struct ssb_chipcommon *cc,
- u16 offset,
- u32 value)
-{
- ssb_write32(cc->dev, offset, value);
-}
-
static inline u32 chipco_write32_masked(struct ssb_chipcommon *cc, u16 offset,
u32 mask, u32 value)
{
@@ -59,40 +49,66 @@ void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc,
if (!ccdev)
return;
bus = ccdev->bus;
+
+ /* We support SLOW only on 6..9 */
+ if (ccdev->id.revision >= 10 && mode == SSB_CLKMODE_SLOW)
+ mode = SSB_CLKMODE_DYNAMIC;
+
+ if (cc->capabilities & SSB_CHIPCO_CAP_PMU)
+ return; /* PMU controls clockmode, separated function needed */
+ SSB_WARN_ON(ccdev->id.revision >= 20);
+
/* chipcommon cores prior to rev6 don't support dynamic clock control */
if (ccdev->id.revision < 6)
return;
- /* chipcommon cores rev10 are a whole new ball game */
+
+ /* ChipCommon cores rev10+ need testing */
if (ccdev->id.revision >= 10)
return;
+
if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL))
return;
switch (mode) {
- case SSB_CLKMODE_SLOW:
+ case SSB_CLKMODE_SLOW: /* For revs 6..9 only */
tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
tmp |= SSB_CHIPCO_SLOWCLKCTL_FSLOW;
chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
break;
case SSB_CLKMODE_FAST:
- ssb_pci_xtal(bus, SSB_GPIO_XTAL, 1); /* Force crystal on */
- tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
- tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW;
- tmp |= SSB_CHIPCO_SLOWCLKCTL_IPLL;
- chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
+ if (ccdev->id.revision < 10) {
+ ssb_pci_xtal(bus, SSB_GPIO_XTAL, 1); /* Force crystal on */
+ tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
+ tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW;
+ tmp |= SSB_CHIPCO_SLOWCLKCTL_IPLL;
+ chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
+ } else {
+ chipco_write32(cc, SSB_CHIPCO_SYSCLKCTL,
+ (chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL) |
+ SSB_CHIPCO_SYSCLKCTL_FORCEHT));
+ /* udelay(150); TODO: not available in early init */
+ }
break;
case SSB_CLKMODE_DYNAMIC:
- tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
- tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW;
- tmp &= ~SSB_CHIPCO_SLOWCLKCTL_IPLL;
- tmp &= ~SSB_CHIPCO_SLOWCLKCTL_ENXTAL;
- if ((tmp & SSB_CHIPCO_SLOWCLKCTL_SRC) != SSB_CHIPCO_SLOWCLKCTL_SRC_XTAL)
- tmp |= SSB_CHIPCO_SLOWCLKCTL_ENXTAL;
- chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
-
- /* for dynamic control, we have to release our xtal_pu "force on" */
- if (tmp & SSB_CHIPCO_SLOWCLKCTL_ENXTAL)
- ssb_pci_xtal(bus, SSB_GPIO_XTAL, 0);
+ if (ccdev->id.revision < 10) {
+ tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL);
+ tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW;
+ tmp &= ~SSB_CHIPCO_SLOWCLKCTL_IPLL;
+ tmp &= ~SSB_CHIPCO_SLOWCLKCTL_ENXTAL;
+ if ((tmp & SSB_CHIPCO_SLOWCLKCTL_SRC) !=
+ SSB_CHIPCO_SLOWCLKCTL_SRC_XTAL)
+ tmp |= SSB_CHIPCO_SLOWCLKCTL_ENXTAL;
+ chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp);
+
+ /* For dynamic control, we have to release our xtal_pu
+ * "force on" */
+ if (tmp & SSB_CHIPCO_SLOWCLKCTL_ENXTAL)
+ ssb_pci_xtal(bus, SSB_GPIO_XTAL, 0);
+ } else {
+ chipco_write32(cc, SSB_CHIPCO_SYSCLKCTL,
+ (chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL) &
+ ~SSB_CHIPCO_SYSCLKCTL_FORCEHT));
+ }
break;
default:
SSB_WARN_ON(1);
@@ -222,6 +238,24 @@ static void chipco_powercontrol_init(struct ssb_chipcommon *cc)
}
}
+/* http://bcm-v4.sipsolutions.net/802.11/PmuFastPwrupDelay */
+static u16 pmu_fast_powerup_delay(struct ssb_chipcommon *cc)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+
+ switch (bus->chip_id) {
+ case 0x4312:
+ case 0x4322:
+ case 0x4328:
+ return 7000;
+ case 0x4325:
+ /* TODO: */
+ default:
+ return 15000;
+ }
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/ClkctlFastPwrupDelay */
static void calc_fast_powerup_delay(struct ssb_chipcommon *cc)
{
struct ssb_bus *bus = cc->dev->bus;
@@ -231,6 +265,12 @@ static void calc_fast_powerup_delay(struct ssb_chipcommon *cc)
if (bus->bustype != SSB_BUSTYPE_PCI)
return;
+
+ if (cc->capabilities & SSB_CHIPCO_CAP_PMU) {
+ cc->fast_pwrup_delay = pmu_fast_powerup_delay(cc);
+ return;
+ }
+
if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL))
return;
@@ -242,16 +282,97 @@ static void calc_fast_powerup_delay(struct ssb_chipcommon *cc)
cc->fast_pwrup_delay = tmp;
}
+static u32 ssb_chipco_alp_clock(struct ssb_chipcommon *cc)
+{
+ if (cc->capabilities & SSB_CHIPCO_CAP_PMU)
+ return ssb_pmu_get_alp_clock(cc);
+
+ return 20000000;
+}
+
+static u32 ssb_chipco_watchdog_get_max_timer(struct ssb_chipcommon *cc)
+{
+ u32 nb;
+
+ if (cc->capabilities & SSB_CHIPCO_CAP_PMU) {
+ if (cc->dev->id.revision < 26)
+ nb = 16;
+ else
+ nb = (cc->dev->id.revision >= 37) ? 32 : 24;
+ } else {
+ nb = 28;
+ }
+ if (nb == 32)
+ return 0xffffffff;
+ else
+ return (1 << nb) - 1;
+}
+
+u32 ssb_chipco_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks)
+{
+ struct ssb_chipcommon *cc = bcm47xx_wdt_get_drvdata(wdt);
+
+ if (cc->dev->bus->bustype != SSB_BUSTYPE_SSB)
+ return 0;
+
+ return ssb_chipco_watchdog_timer_set(cc, ticks);
+}
+
+u32 ssb_chipco_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms)
+{
+ struct ssb_chipcommon *cc = bcm47xx_wdt_get_drvdata(wdt);
+ u32 ticks;
+
+ if (cc->dev->bus->bustype != SSB_BUSTYPE_SSB)
+ return 0;
+
+ ticks = ssb_chipco_watchdog_timer_set(cc, cc->ticks_per_ms * ms);
+ return ticks / cc->ticks_per_ms;
+}
+
+static int ssb_chipco_watchdog_ticks_per_ms(struct ssb_chipcommon *cc)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+
+ if (cc->capabilities & SSB_CHIPCO_CAP_PMU) {
+ /* based on 32KHz ILP clock */
+ return 32;
+ } else {
+ if (cc->dev->id.revision < 18)
+ return ssb_clockspeed(bus) / 1000;
+ else
+ return ssb_chipco_alp_clock(cc) / 1000;
+ }
+}
+
void ssb_chipcommon_init(struct ssb_chipcommon *cc)
{
if (!cc->dev)
return; /* We don't have a ChipCommon */
+
+ spin_lock_init(&cc->gpio_lock);
+
+ if (cc->dev->id.revision >= 11)
+ cc->status = chipco_read32(cc, SSB_CHIPCO_CHIPSTAT);
+ ssb_dbg("chipcommon status is 0x%x\n", cc->status);
+
+ if (cc->dev->id.revision >= 20) {
+ chipco_write32(cc, SSB_CHIPCO_GPIOPULLUP, 0);
+ chipco_write32(cc, SSB_CHIPCO_GPIOPULLDOWN, 0);
+ }
+
+ ssb_pmu_init(cc);
chipco_powercontrol_init(cc);
ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
calc_fast_powerup_delay(cc);
+
+ if (cc->dev->bus->bustype == SSB_BUSTYPE_SSB) {
+ cc->ticks_per_ms = ssb_chipco_watchdog_ticks_per_ms(cc);
+ cc->max_timer_ms = ssb_chipco_watchdog_get_max_timer(cc) / cc->ticks_per_ms;
+ }
}
-void ssb_chipco_suspend(struct ssb_chipcommon *cc, pm_message_t state)
+void ssb_chipco_suspend(struct ssb_chipcommon *cc)
{
if (!cc->dev)
return;
@@ -347,10 +468,37 @@ void ssb_chipco_timing_init(struct ssb_chipcommon *cc,
}
/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
-void ssb_chipco_watchdog_timer_set(struct ssb_chipcommon *cc, u32 ticks)
+u32 ssb_chipco_watchdog_timer_set(struct ssb_chipcommon *cc, u32 ticks)
+{
+ u32 maxt;
+ enum ssb_clkmode clkmode;
+
+ maxt = ssb_chipco_watchdog_get_max_timer(cc);
+ if (cc->capabilities & SSB_CHIPCO_CAP_PMU) {
+ if (ticks == 1)
+ ticks = 2;
+ else if (ticks > maxt)
+ ticks = maxt;
+ chipco_write32(cc, SSB_CHIPCO_PMU_WATCHDOG, ticks);
+ } else {
+ clkmode = ticks ? SSB_CLKMODE_FAST : SSB_CLKMODE_DYNAMIC;
+ ssb_chipco_set_clockmode(cc, clkmode);
+ if (ticks > maxt)
+ ticks = maxt;
+ /* instant NMI */
+ chipco_write32(cc, SSB_CHIPCO_WATCHDOG, ticks);
+ }
+ return 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)
{
- /* instant NMI */
- chipco_write32(cc, SSB_CHIPCO_WATCHDOG, ticks);
+ return chipco_read32(cc, SSB_CHIPCO_IRQSTAT) & mask;
}
u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask)
@@ -360,27 +508,93 @@ u32 ssb_chipco_gpio_in(struct ssb_chipcommon *cc, u32 mask)
u32 ssb_chipco_gpio_out(struct ssb_chipcommon *cc, u32 mask, u32 value)
{
- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUT, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
u32 ssb_chipco_gpio_outen(struct ssb_chipcommon *cc, u32 mask, u32 value)
{
- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOOUTEN, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
u32 ssb_chipco_gpio_control(struct ssb_chipcommon *cc, u32 mask, u32 value)
{
- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOCTL, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOCTL, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
+EXPORT_SYMBOL(ssb_chipco_gpio_control);
u32 ssb_chipco_gpio_intmask(struct ssb_chipcommon *cc, u32 mask, u32 value)
{
- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOIRQ, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOIRQ, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
u32 ssb_chipco_gpio_polarity(struct ssb_chipcommon *cc, u32 mask, u32 value)
{
- return chipco_write32_masked(cc, SSB_CHIPCO_GPIOPOL, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOPOL, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
+}
+
+u32 ssb_chipco_gpio_pullup(struct ssb_chipcommon *cc, u32 mask, u32 value)
+{
+ unsigned long flags;
+ u32 res = 0;
+
+ if (cc->dev->id.revision < 20)
+ return 0xffffffff;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOPULLUP, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
+}
+
+u32 ssb_chipco_gpio_pulldown(struct ssb_chipcommon *cc, u32 mask, u32 value)
+{
+ unsigned long flags;
+ u32 res = 0;
+
+ if (cc->dev->id.revision < 20)
+ return 0xffffffff;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = chipco_write32_masked(cc, SSB_CHIPCO_GPIOPULLDOWN, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
}
#ifdef CONFIG_SSB_SERIAL
@@ -414,12 +628,7 @@ int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
chipco_read32(cc, SSB_CHIPCO_CORECTL)
| SSB_CHIPCO_CORECTL_UARTCLK0);
} else if ((ccrev >= 11) && (ccrev != 15)) {
- /* Fixed ALP clock */
- baud_base = 20000000;
- if (cc->capabilities & SSB_CHIPCO_CAP_PMU) {
- /* FIXME: baud_base is different for devices with a PMU */
- SSB_WARN_ON(1);
- }
+ baud_base = ssb_chipco_alp_clock(cc);
div = 1;
if (ccrev >= 21) {
/* Turn off UART clock before switching clocksource. */
diff --git a/drivers/ssb/driver_chipcommon_pmu.c b/drivers/ssb/driver_chipcommon_pmu.c
new file mode 100644
index 00000000000..1173a091b40
--- /dev/null
+++ b/drivers/ssb/driver_chipcommon_pmu.c
@@ -0,0 +1,716 @@
+/*
+ * Sonics Silicon Backplane
+ * Broadcom ChipCommon Power Management Unit driver
+ *
+ * Copyright 2009, Michael Buesch <m@bues.ch>
+ * Copyright 2007, Broadcom Corporation
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/ssb/ssb.h>
+#include <linux/ssb/ssb_regs.h>
+#include <linux/ssb/ssb_driver_chipcommon.h>
+#include <linux/delay.h>
+#include <linux/export.h>
+#ifdef CONFIG_BCM47XX
+#include <bcm47xx_nvram.h>
+#endif
+
+#include "ssb_private.h"
+
+static u32 ssb_chipco_pll_read(struct ssb_chipcommon *cc, u32 offset)
+{
+ chipco_write32(cc, SSB_CHIPCO_PLLCTL_ADDR, offset);
+ return chipco_read32(cc, SSB_CHIPCO_PLLCTL_DATA);
+}
+
+static void ssb_chipco_pll_write(struct ssb_chipcommon *cc,
+ u32 offset, u32 value)
+{
+ chipco_write32(cc, SSB_CHIPCO_PLLCTL_ADDR, offset);
+ chipco_write32(cc, SSB_CHIPCO_PLLCTL_DATA, value);
+}
+
+static void ssb_chipco_regctl_maskset(struct ssb_chipcommon *cc,
+ u32 offset, u32 mask, u32 set)
+{
+ u32 value;
+
+ chipco_read32(cc, SSB_CHIPCO_REGCTL_ADDR);
+ chipco_write32(cc, SSB_CHIPCO_REGCTL_ADDR, offset);
+ chipco_read32(cc, SSB_CHIPCO_REGCTL_ADDR);
+ value = chipco_read32(cc, SSB_CHIPCO_REGCTL_DATA);
+ value &= mask;
+ value |= set;
+ chipco_write32(cc, SSB_CHIPCO_REGCTL_DATA, value);
+ chipco_read32(cc, SSB_CHIPCO_REGCTL_DATA);
+}
+
+struct pmu0_plltab_entry {
+ u16 freq; /* Crystal frequency in kHz.*/
+ u8 xf; /* Crystal frequency value for PMU control */
+ u8 wb_int;
+ u32 wb_frac;
+};
+
+static const struct pmu0_plltab_entry pmu0_plltab[] = {
+ { .freq = 12000, .xf = 1, .wb_int = 73, .wb_frac = 349525, },
+ { .freq = 13000, .xf = 2, .wb_int = 67, .wb_frac = 725937, },
+ { .freq = 14400, .xf = 3, .wb_int = 61, .wb_frac = 116508, },
+ { .freq = 15360, .xf = 4, .wb_int = 57, .wb_frac = 305834, },
+ { .freq = 16200, .xf = 5, .wb_int = 54, .wb_frac = 336579, },
+ { .freq = 16800, .xf = 6, .wb_int = 52, .wb_frac = 399457, },
+ { .freq = 19200, .xf = 7, .wb_int = 45, .wb_frac = 873813, },
+ { .freq = 19800, .xf = 8, .wb_int = 44, .wb_frac = 466033, },
+ { .freq = 20000, .xf = 9, .wb_int = 44, .wb_frac = 0, },
+ { .freq = 25000, .xf = 10, .wb_int = 70, .wb_frac = 419430, },
+ { .freq = 26000, .xf = 11, .wb_int = 67, .wb_frac = 725937, },
+ { .freq = 30000, .xf = 12, .wb_int = 58, .wb_frac = 699050, },
+ { .freq = 38400, .xf = 13, .wb_int = 45, .wb_frac = 873813, },
+ { .freq = 40000, .xf = 14, .wb_int = 45, .wb_frac = 0, },
+};
+#define SSB_PMU0_DEFAULT_XTALFREQ 20000
+
+static const struct pmu0_plltab_entry * pmu0_plltab_find_entry(u32 crystalfreq)
+{
+ const struct pmu0_plltab_entry *e;
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(pmu0_plltab); i++) {
+ e = &pmu0_plltab[i];
+ if (e->freq == crystalfreq)
+ return e;
+ }
+
+ return NULL;
+}
+
+/* Tune the PLL to the crystal speed. crystalfreq is in kHz. */
+static void ssb_pmu0_pllinit_r0(struct ssb_chipcommon *cc,
+ u32 crystalfreq)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+ const struct pmu0_plltab_entry *e = NULL;
+ u32 pmuctl, tmp, pllctl;
+ unsigned int i;
+
+ if (crystalfreq)
+ e = pmu0_plltab_find_entry(crystalfreq);
+ if (!e)
+ e = pmu0_plltab_find_entry(SSB_PMU0_DEFAULT_XTALFREQ);
+ BUG_ON(!e);
+ crystalfreq = e->freq;
+ cc->pmu.crystalfreq = e->freq;
+
+ /* Check if the PLL already is programmed to this frequency. */
+ pmuctl = chipco_read32(cc, SSB_CHIPCO_PMU_CTL);
+ if (((pmuctl & SSB_CHIPCO_PMU_CTL_XTALFREQ) >> SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT) == e->xf) {
+ /* We're already there... */
+ return;
+ }
+
+ ssb_info("Programming PLL to %u.%03u MHz\n",
+ crystalfreq / 1000, crystalfreq % 1000);
+
+ /* First turn the PLL off. */
+ switch (bus->chip_id) {
+ case 0x4328:
+ chipco_mask32(cc, SSB_CHIPCO_PMU_MINRES_MSK,
+ ~(1 << SSB_PMURES_4328_BB_PLL_PU));
+ chipco_mask32(cc, SSB_CHIPCO_PMU_MAXRES_MSK,
+ ~(1 << SSB_PMURES_4328_BB_PLL_PU));
+ break;
+ case 0x5354:
+ chipco_mask32(cc, SSB_CHIPCO_PMU_MINRES_MSK,
+ ~(1 << SSB_PMURES_5354_BB_PLL_PU));
+ chipco_mask32(cc, SSB_CHIPCO_PMU_MAXRES_MSK,
+ ~(1 << SSB_PMURES_5354_BB_PLL_PU));
+ break;
+ default:
+ SSB_WARN_ON(1);
+ }
+ for (i = 1500; i; i--) {
+ tmp = chipco_read32(cc, SSB_CHIPCO_CLKCTLST);
+ if (!(tmp & SSB_CHIPCO_CLKCTLST_HAVEHT))
+ break;
+ udelay(10);
+ }
+ tmp = chipco_read32(cc, SSB_CHIPCO_CLKCTLST);
+ if (tmp & SSB_CHIPCO_CLKCTLST_HAVEHT)
+ ssb_emerg("Failed to turn the PLL off!\n");
+
+ /* Set PDIV in PLL control 0. */
+ pllctl = ssb_chipco_pll_read(cc, SSB_PMU0_PLLCTL0);
+ if (crystalfreq >= SSB_PMU0_PLLCTL0_PDIV_FREQ)
+ pllctl |= SSB_PMU0_PLLCTL0_PDIV_MSK;
+ else
+ pllctl &= ~SSB_PMU0_PLLCTL0_PDIV_MSK;
+ ssb_chipco_pll_write(cc, SSB_PMU0_PLLCTL0, pllctl);
+
+ /* Set WILD in PLL control 1. */
+ pllctl = ssb_chipco_pll_read(cc, SSB_PMU0_PLLCTL1);
+ pllctl &= ~SSB_PMU0_PLLCTL1_STOPMOD;
+ pllctl &= ~(SSB_PMU0_PLLCTL1_WILD_IMSK | SSB_PMU0_PLLCTL1_WILD_FMSK);
+ pllctl |= ((u32)e->wb_int << SSB_PMU0_PLLCTL1_WILD_IMSK_SHIFT) & SSB_PMU0_PLLCTL1_WILD_IMSK;
+ pllctl |= ((u32)e->wb_frac << SSB_PMU0_PLLCTL1_WILD_FMSK_SHIFT) & SSB_PMU0_PLLCTL1_WILD_FMSK;
+ if (e->wb_frac == 0)
+ pllctl |= SSB_PMU0_PLLCTL1_STOPMOD;
+ ssb_chipco_pll_write(cc, SSB_PMU0_PLLCTL1, pllctl);
+
+ /* Set WILD in PLL control 2. */
+ pllctl = ssb_chipco_pll_read(cc, SSB_PMU0_PLLCTL2);
+ pllctl &= ~SSB_PMU0_PLLCTL2_WILD_IMSKHI;
+ pllctl |= (((u32)e->wb_int >> 4) << SSB_PMU0_PLLCTL2_WILD_IMSKHI_SHIFT) & SSB_PMU0_PLLCTL2_WILD_IMSKHI;
+ ssb_chipco_pll_write(cc, SSB_PMU0_PLLCTL2, pllctl);
+
+ /* Set the crystalfrequency and the divisor. */
+ pmuctl = chipco_read32(cc, SSB_CHIPCO_PMU_CTL);
+ pmuctl &= ~SSB_CHIPCO_PMU_CTL_ILP_DIV;
+ pmuctl |= (((crystalfreq + 127) / 128 - 1) << SSB_CHIPCO_PMU_CTL_ILP_DIV_SHIFT)
+ & SSB_CHIPCO_PMU_CTL_ILP_DIV;
+ pmuctl &= ~SSB_CHIPCO_PMU_CTL_XTALFREQ;
+ pmuctl |= ((u32)e->xf << SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT) & SSB_CHIPCO_PMU_CTL_XTALFREQ;
+ chipco_write32(cc, SSB_CHIPCO_PMU_CTL, pmuctl);
+}
+
+struct pmu1_plltab_entry {
+ u16 freq; /* Crystal frequency in kHz.*/
+ u8 xf; /* Crystal frequency value for PMU control */
+ u8 ndiv_int;
+ u32 ndiv_frac;
+ u8 p1div;
+ u8 p2div;
+};
+
+static const struct pmu1_plltab_entry pmu1_plltab[] = {
+ { .freq = 12000, .xf = 1, .p1div = 3, .p2div = 22, .ndiv_int = 0x9, .ndiv_frac = 0xFFFFEF, },
+ { .freq = 13000, .xf = 2, .p1div = 1, .p2div = 6, .ndiv_int = 0xb, .ndiv_frac = 0x483483, },
+ { .freq = 14400, .xf = 3, .p1div = 1, .p2div = 10, .ndiv_int = 0xa, .ndiv_frac = 0x1C71C7, },
+ { .freq = 15360, .xf = 4, .p1div = 1, .p2div = 5, .ndiv_int = 0xb, .ndiv_frac = 0x755555, },
+ { .freq = 16200, .xf = 5, .p1div = 1, .p2div = 10, .ndiv_int = 0x5, .ndiv_frac = 0x6E9E06, },
+ { .freq = 16800, .xf = 6, .p1div = 1, .p2div = 10, .ndiv_int = 0x5, .ndiv_frac = 0x3CF3CF, },
+ { .freq = 19200, .xf = 7, .p1div = 1, .p2div = 9, .ndiv_int = 0x5, .ndiv_frac = 0x17B425, },
+ { .freq = 19800, .xf = 8, .p1div = 1, .p2div = 11, .ndiv_int = 0x4, .ndiv_frac = 0xA57EB, },
+ { .freq = 20000, .xf = 9, .p1div = 1, .p2div = 11, .ndiv_int = 0x4, .ndiv_frac = 0, },
+ { .freq = 24000, .xf = 10, .p1div = 3, .p2div = 11, .ndiv_int = 0xa, .ndiv_frac = 0, },
+ { .freq = 25000, .xf = 11, .p1div = 5, .p2div = 16, .ndiv_int = 0xb, .ndiv_frac = 0, },
+ { .freq = 26000, .xf = 12, .p1div = 1, .p2div = 2, .ndiv_int = 0x10, .ndiv_frac = 0xEC4EC4, },
+ { .freq = 30000, .xf = 13, .p1div = 3, .p2div = 8, .ndiv_int = 0xb, .ndiv_frac = 0, },
+ { .freq = 38400, .xf = 14, .p1div = 1, .p2div = 5, .ndiv_int = 0x4, .ndiv_frac = 0x955555, },
+ { .freq = 40000, .xf = 15, .p1div = 1, .p2div = 2, .ndiv_int = 0xb, .ndiv_frac = 0, },
+};
+
+#define SSB_PMU1_DEFAULT_XTALFREQ 15360
+
+static const struct pmu1_plltab_entry * pmu1_plltab_find_entry(u32 crystalfreq)
+{
+ const struct pmu1_plltab_entry *e;
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(pmu1_plltab); i++) {
+ e = &pmu1_plltab[i];
+ if (e->freq == crystalfreq)
+ return e;
+ }
+
+ return NULL;
+}
+
+/* Tune the PLL to the crystal speed. crystalfreq is in kHz. */
+static void ssb_pmu1_pllinit_r0(struct ssb_chipcommon *cc,
+ u32 crystalfreq)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+ const struct pmu1_plltab_entry *e = NULL;
+ u32 buffer_strength = 0;
+ u32 tmp, pllctl, pmuctl;
+ unsigned int i;
+
+ if (bus->chip_id == 0x4312) {
+ /* We do not touch the BCM4312 PLL and assume
+ * the default crystal settings work out-of-the-box. */
+ cc->pmu.crystalfreq = 20000;
+ return;
+ }
+
+ if (crystalfreq)
+ e = pmu1_plltab_find_entry(crystalfreq);
+ if (!e)
+ e = pmu1_plltab_find_entry(SSB_PMU1_DEFAULT_XTALFREQ);
+ BUG_ON(!e);
+ crystalfreq = e->freq;
+ cc->pmu.crystalfreq = e->freq;
+
+ /* Check if the PLL already is programmed to this frequency. */
+ pmuctl = chipco_read32(cc, SSB_CHIPCO_PMU_CTL);
+ if (((pmuctl & SSB_CHIPCO_PMU_CTL_XTALFREQ) >> SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT) == e->xf) {
+ /* We're already there... */
+ return;
+ }
+
+ ssb_info("Programming PLL to %u.%03u MHz\n",
+ crystalfreq / 1000, crystalfreq % 1000);
+
+ /* First turn the PLL off. */
+ switch (bus->chip_id) {
+ case 0x4325:
+ chipco_mask32(cc, SSB_CHIPCO_PMU_MINRES_MSK,
+ ~((1 << SSB_PMURES_4325_BBPLL_PWRSW_PU) |
+ (1 << SSB_PMURES_4325_HT_AVAIL)));
+ chipco_mask32(cc, SSB_CHIPCO_PMU_MAXRES_MSK,
+ ~((1 << SSB_PMURES_4325_BBPLL_PWRSW_PU) |
+ (1 << SSB_PMURES_4325_HT_AVAIL)));
+ /* Adjust the BBPLL to 2 on all channels later. */
+ buffer_strength = 0x222222;
+ break;
+ default:
+ SSB_WARN_ON(1);
+ }
+ for (i = 1500; i; i--) {
+ tmp = chipco_read32(cc, SSB_CHIPCO_CLKCTLST);
+ if (!(tmp & SSB_CHIPCO_CLKCTLST_HAVEHT))
+ break;
+ udelay(10);
+ }
+ tmp = chipco_read32(cc, SSB_CHIPCO_CLKCTLST);
+ if (tmp & SSB_CHIPCO_CLKCTLST_HAVEHT)
+ ssb_emerg("Failed to turn the PLL off!\n");
+
+ /* Set p1div and p2div. */
+ pllctl = ssb_chipco_pll_read(cc, SSB_PMU1_PLLCTL0);
+ pllctl &= ~(SSB_PMU1_PLLCTL0_P1DIV | SSB_PMU1_PLLCTL0_P2DIV);
+ pllctl |= ((u32)e->p1div << SSB_PMU1_PLLCTL0_P1DIV_SHIFT) & SSB_PMU1_PLLCTL0_P1DIV;
+ pllctl |= ((u32)e->p2div << SSB_PMU1_PLLCTL0_P2DIV_SHIFT) & SSB_PMU1_PLLCTL0_P2DIV;
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL0, pllctl);
+
+ /* Set ndiv int and ndiv mode */
+ pllctl = ssb_chipco_pll_read(cc, SSB_PMU1_PLLCTL2);
+ pllctl &= ~(SSB_PMU1_PLLCTL2_NDIVINT | SSB_PMU1_PLLCTL2_NDIVMODE);
+ pllctl |= ((u32)e->ndiv_int << SSB_PMU1_PLLCTL2_NDIVINT_SHIFT) & SSB_PMU1_PLLCTL2_NDIVINT;
+ pllctl |= (1 << SSB_PMU1_PLLCTL2_NDIVMODE_SHIFT) & SSB_PMU1_PLLCTL2_NDIVMODE;
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL2, pllctl);
+
+ /* Set ndiv frac */
+ pllctl = ssb_chipco_pll_read(cc, SSB_PMU1_PLLCTL3);
+ pllctl &= ~SSB_PMU1_PLLCTL3_NDIVFRAC;
+ pllctl |= ((u32)e->ndiv_frac << SSB_PMU1_PLLCTL3_NDIVFRAC_SHIFT) & SSB_PMU1_PLLCTL3_NDIVFRAC;
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL3, pllctl);
+
+ /* Change the drive strength, if required. */
+ if (buffer_strength) {
+ pllctl = ssb_chipco_pll_read(cc, SSB_PMU1_PLLCTL5);
+ pllctl &= ~SSB_PMU1_PLLCTL5_CLKDRV;
+ pllctl |= (buffer_strength << SSB_PMU1_PLLCTL5_CLKDRV_SHIFT) & SSB_PMU1_PLLCTL5_CLKDRV;
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL5, pllctl);
+ }
+
+ /* Tune the crystalfreq and the divisor. */
+ pmuctl = chipco_read32(cc, SSB_CHIPCO_PMU_CTL);
+ pmuctl &= ~(SSB_CHIPCO_PMU_CTL_ILP_DIV | SSB_CHIPCO_PMU_CTL_XTALFREQ);
+ pmuctl |= ((((u32)e->freq + 127) / 128 - 1) << SSB_CHIPCO_PMU_CTL_ILP_DIV_SHIFT)
+ & SSB_CHIPCO_PMU_CTL_ILP_DIV;
+ pmuctl |= ((u32)e->xf << SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT) & SSB_CHIPCO_PMU_CTL_XTALFREQ;
+ chipco_write32(cc, SSB_CHIPCO_PMU_CTL, pmuctl);
+}
+
+static void ssb_pmu_pll_init(struct ssb_chipcommon *cc)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+ u32 crystalfreq = 0; /* in kHz. 0 = keep default freq. */
+
+ if (bus->bustype == SSB_BUSTYPE_SSB) {
+#ifdef CONFIG_BCM47XX
+ char buf[20];
+ if (bcm47xx_nvram_getenv("xtalfreq", buf, sizeof(buf)) >= 0)
+ crystalfreq = simple_strtoul(buf, NULL, 0);
+#endif
+ }
+
+ switch (bus->chip_id) {
+ case 0x4312:
+ case 0x4325:
+ ssb_pmu1_pllinit_r0(cc, crystalfreq);
+ break;
+ case 0x4328:
+ ssb_pmu0_pllinit_r0(cc, crystalfreq);
+ break;
+ case 0x5354:
+ if (crystalfreq == 0)
+ crystalfreq = 25000;
+ ssb_pmu0_pllinit_r0(cc, crystalfreq);
+ break;
+ case 0x4322:
+ if (cc->pmu.rev == 2) {
+ chipco_write32(cc, SSB_CHIPCO_PLLCTL_ADDR, 0x0000000A);
+ chipco_write32(cc, SSB_CHIPCO_PLLCTL_DATA, 0x380005C0);
+ }
+ break;
+ case 43222:
+ break;
+ default:
+ ssb_err("ERROR: PLL init unknown for device %04X\n",
+ bus->chip_id);
+ }
+}
+
+struct pmu_res_updown_tab_entry {
+ u8 resource; /* The resource number */
+ u16 updown; /* The updown value */
+};
+
+enum pmu_res_depend_tab_task {
+ PMU_RES_DEP_SET = 1,
+ PMU_RES_DEP_ADD,
+ PMU_RES_DEP_REMOVE,
+};
+
+struct pmu_res_depend_tab_entry {
+ u8 resource; /* The resource number */
+ u8 task; /* SET | ADD | REMOVE */
+ u32 depend; /* The depend mask */
+};
+
+static const struct pmu_res_updown_tab_entry pmu_res_updown_tab_4328a0[] = {
+ { .resource = SSB_PMURES_4328_EXT_SWITCHER_PWM, .updown = 0x0101, },
+ { .resource = SSB_PMURES_4328_BB_SWITCHER_PWM, .updown = 0x1F01, },
+ { .resource = SSB_PMURES_4328_BB_SWITCHER_BURST, .updown = 0x010F, },
+ { .resource = SSB_PMURES_4328_BB_EXT_SWITCHER_BURST, .updown = 0x0101, },
+ { .resource = SSB_PMURES_4328_ILP_REQUEST, .updown = 0x0202, },
+ { .resource = SSB_PMURES_4328_RADIO_SWITCHER_PWM, .updown = 0x0F01, },
+ { .resource = SSB_PMURES_4328_RADIO_SWITCHER_BURST, .updown = 0x0F01, },
+ { .resource = SSB_PMURES_4328_ROM_SWITCH, .updown = 0x0101, },
+ { .resource = SSB_PMURES_4328_PA_REF_LDO, .updown = 0x0F01, },
+ { .resource = SSB_PMURES_4328_RADIO_LDO, .updown = 0x0F01, },
+ { .resource = SSB_PMURES_4328_AFE_LDO, .updown = 0x0F01, },
+ { .resource = SSB_PMURES_4328_PLL_LDO, .updown = 0x0F01, },
+ { .resource = SSB_PMURES_4328_BG_FILTBYP, .updown = 0x0101, },
+ { .resource = SSB_PMURES_4328_TX_FILTBYP, .updown = 0x0101, },
+ { .resource = SSB_PMURES_4328_RX_FILTBYP, .updown = 0x0101, },
+ { .resource = SSB_PMURES_4328_XTAL_PU, .updown = 0x0101, },
+ { .resource = SSB_PMURES_4328_XTAL_EN, .updown = 0xA001, },
+ { .resource = SSB_PMURES_4328_BB_PLL_FILTBYP, .updown = 0x0101, },
+ { .resource = SSB_PMURES_4328_RF_PLL_FILTBYP, .updown = 0x0101, },
+ { .resource = SSB_PMURES_4328_BB_PLL_PU, .updown = 0x0701, },
+};
+
+static const struct pmu_res_depend_tab_entry pmu_res_depend_tab_4328a0[] = {
+ {
+ /* Adjust ILP Request to avoid forcing EXT/BB into burst mode. */
+ .resource = SSB_PMURES_4328_ILP_REQUEST,
+ .task = PMU_RES_DEP_SET,
+ .depend = ((1 << SSB_PMURES_4328_EXT_SWITCHER_PWM) |
+ (1 << SSB_PMURES_4328_BB_SWITCHER_PWM)),
+ },
+};
+
+static const struct pmu_res_updown_tab_entry pmu_res_updown_tab_4325a0[] = {
+ { .resource = SSB_PMURES_4325_XTAL_PU, .updown = 0x1501, },
+};
+
+static const struct pmu_res_depend_tab_entry pmu_res_depend_tab_4325a0[] = {
+ {
+ /* Adjust HT-Available dependencies. */
+ .resource = SSB_PMURES_4325_HT_AVAIL,
+ .task = PMU_RES_DEP_ADD,
+ .depend = ((1 << SSB_PMURES_4325_RX_PWRSW_PU) |
+ (1 << SSB_PMURES_4325_TX_PWRSW_PU) |
+ (1 << SSB_PMURES_4325_LOGEN_PWRSW_PU) |
+ (1 << SSB_PMURES_4325_AFE_PWRSW_PU)),
+ },
+};
+
+static void ssb_pmu_resources_init(struct ssb_chipcommon *cc)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+ u32 min_msk = 0, max_msk = 0;
+ unsigned int i;
+ const struct pmu_res_updown_tab_entry *updown_tab = NULL;
+ unsigned int updown_tab_size = 0;
+ const struct pmu_res_depend_tab_entry *depend_tab = NULL;
+ unsigned int depend_tab_size = 0;
+
+ switch (bus->chip_id) {
+ case 0x4312:
+ min_msk = 0xCBB;
+ break;
+ case 0x4322:
+ case 43222:
+ /* We keep the default settings:
+ * min_msk = 0xCBB
+ * max_msk = 0x7FFFF
+ */
+ break;
+ case 0x4325:
+ /* Power OTP down later. */
+ min_msk = (1 << SSB_PMURES_4325_CBUCK_BURST) |
+ (1 << SSB_PMURES_4325_LNLDO2_PU);
+ if (chipco_read32(cc, SSB_CHIPCO_CHIPSTAT) &
+ SSB_CHIPCO_CHST_4325_PMUTOP_2B)
+ min_msk |= (1 << SSB_PMURES_4325_CLDO_CBUCK_BURST);
+ /* The PLL may turn on, if it decides so. */
+ max_msk = 0xFFFFF;
+ updown_tab = pmu_res_updown_tab_4325a0;
+ updown_tab_size = ARRAY_SIZE(pmu_res_updown_tab_4325a0);
+ depend_tab = pmu_res_depend_tab_4325a0;
+ depend_tab_size = ARRAY_SIZE(pmu_res_depend_tab_4325a0);
+ break;
+ case 0x4328:
+ min_msk = (1 << SSB_PMURES_4328_EXT_SWITCHER_PWM) |
+ (1 << SSB_PMURES_4328_BB_SWITCHER_PWM) |
+ (1 << SSB_PMURES_4328_XTAL_EN);
+ /* The PLL may turn on, if it decides so. */
+ max_msk = 0xFFFFF;
+ updown_tab = pmu_res_updown_tab_4328a0;
+ updown_tab_size = ARRAY_SIZE(pmu_res_updown_tab_4328a0);
+ depend_tab = pmu_res_depend_tab_4328a0;
+ depend_tab_size = ARRAY_SIZE(pmu_res_depend_tab_4328a0);
+ break;
+ case 0x5354:
+ /* The PLL may turn on, if it decides so. */
+ max_msk = 0xFFFFF;
+ break;
+ default:
+ ssb_err("ERROR: PMU resource config unknown for device %04X\n",
+ bus->chip_id);
+ }
+
+ if (updown_tab) {
+ for (i = 0; i < updown_tab_size; i++) {
+ chipco_write32(cc, SSB_CHIPCO_PMU_RES_TABSEL,
+ updown_tab[i].resource);
+ chipco_write32(cc, SSB_CHIPCO_PMU_RES_UPDNTM,
+ updown_tab[i].updown);
+ }
+ }
+ if (depend_tab) {
+ for (i = 0; i < depend_tab_size; i++) {
+ chipco_write32(cc, SSB_CHIPCO_PMU_RES_TABSEL,
+ depend_tab[i].resource);
+ switch (depend_tab[i].task) {
+ case PMU_RES_DEP_SET:
+ chipco_write32(cc, SSB_CHIPCO_PMU_RES_DEPMSK,
+ depend_tab[i].depend);
+ break;
+ case PMU_RES_DEP_ADD:
+ chipco_set32(cc, SSB_CHIPCO_PMU_RES_DEPMSK,
+ depend_tab[i].depend);
+ break;
+ case PMU_RES_DEP_REMOVE:
+ chipco_mask32(cc, SSB_CHIPCO_PMU_RES_DEPMSK,
+ ~(depend_tab[i].depend));
+ break;
+ default:
+ SSB_WARN_ON(1);
+ }
+ }
+ }
+
+ /* Set the resource masks. */
+ if (min_msk)
+ chipco_write32(cc, SSB_CHIPCO_PMU_MINRES_MSK, min_msk);
+ if (max_msk)
+ chipco_write32(cc, SSB_CHIPCO_PMU_MAXRES_MSK, max_msk);
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/SSB/PmuInit */
+void ssb_pmu_init(struct ssb_chipcommon *cc)
+{
+ u32 pmucap;
+
+ if (!(cc->capabilities & SSB_CHIPCO_CAP_PMU))
+ return;
+
+ pmucap = chipco_read32(cc, SSB_CHIPCO_PMU_CAP);
+ cc->pmu.rev = (pmucap & SSB_CHIPCO_PMU_CAP_REVISION);
+
+ ssb_dbg("Found rev %u PMU (capabilities 0x%08X)\n",
+ cc->pmu.rev, pmucap);
+
+ if (cc->pmu.rev == 1)
+ chipco_mask32(cc, SSB_CHIPCO_PMU_CTL,
+ ~SSB_CHIPCO_PMU_CTL_NOILPONW);
+ else
+ chipco_set32(cc, SSB_CHIPCO_PMU_CTL,
+ SSB_CHIPCO_PMU_CTL_NOILPONW);
+ ssb_pmu_pll_init(cc);
+ ssb_pmu_resources_init(cc);
+}
+
+void ssb_pmu_set_ldo_voltage(struct ssb_chipcommon *cc,
+ enum ssb_pmu_ldo_volt_id id, u32 voltage)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+ u32 addr, shift, mask;
+
+ switch (bus->chip_id) {
+ case 0x4328:
+ case 0x5354:
+ switch (id) {
+ case LDO_VOLT1:
+ addr = 2;
+ shift = 25;
+ mask = 0xF;
+ break;
+ case LDO_VOLT2:
+ addr = 3;
+ shift = 1;
+ mask = 0xF;
+ break;
+ case LDO_VOLT3:
+ addr = 3;
+ shift = 9;
+ mask = 0xF;
+ break;
+ case LDO_PAREF:
+ addr = 3;
+ shift = 17;
+ mask = 0x3F;
+ break;
+ default:
+ SSB_WARN_ON(1);
+ return;
+ }
+ break;
+ case 0x4312:
+ if (SSB_WARN_ON(id != LDO_PAREF))
+ return;
+ addr = 0;
+ shift = 21;
+ mask = 0x3F;
+ break;
+ default:
+ return;
+ }
+
+ ssb_chipco_regctl_maskset(cc, addr, ~(mask << shift),
+ (voltage & mask) << shift);
+}
+
+void ssb_pmu_set_ldo_paref(struct ssb_chipcommon *cc, bool on)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+ int ldo;
+
+ switch (bus->chip_id) {
+ case 0x4312:
+ ldo = SSB_PMURES_4312_PA_REF_LDO;
+ break;
+ case 0x4328:
+ ldo = SSB_PMURES_4328_PA_REF_LDO;
+ break;
+ case 0x5354:
+ ldo = SSB_PMURES_5354_PA_REF_LDO;
+ break;
+ default:
+ return;
+ }
+
+ if (on)
+ chipco_set32(cc, SSB_CHIPCO_PMU_MINRES_MSK, 1 << ldo);
+ else
+ chipco_mask32(cc, SSB_CHIPCO_PMU_MINRES_MSK, ~(1 << ldo));
+ chipco_read32(cc, SSB_CHIPCO_PMU_MINRES_MSK); //SPEC FIXME found via mmiotrace - dummy read?
+}
+
+EXPORT_SYMBOL(ssb_pmu_set_ldo_voltage);
+EXPORT_SYMBOL(ssb_pmu_set_ldo_paref);
+
+static u32 ssb_pmu_get_alp_clock_clk0(struct ssb_chipcommon *cc)
+{
+ u32 crystalfreq;
+ const struct pmu0_plltab_entry *e = NULL;
+
+ crystalfreq = chipco_read32(cc, SSB_CHIPCO_PMU_CTL) &
+ SSB_CHIPCO_PMU_CTL_XTALFREQ >> SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT;
+ e = pmu0_plltab_find_entry(crystalfreq);
+ BUG_ON(!e);
+ return e->freq * 1000;
+}
+
+u32 ssb_pmu_get_alp_clock(struct ssb_chipcommon *cc)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+
+ switch (bus->chip_id) {
+ case 0x5354:
+ ssb_pmu_get_alp_clock_clk0(cc);
+ default:
+ ssb_err("ERROR: PMU alp clock unknown for device %04X\n",
+ bus->chip_id);
+ return 0;
+ }
+}
+
+u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+
+ switch (bus->chip_id) {
+ case 0x5354:
+ /* 5354 chip uses a non programmable PLL of frequency 240MHz */
+ return 240000000;
+ default:
+ ssb_err("ERROR: PMU cpu clock unknown for device %04X\n",
+ bus->chip_id);
+ return 0;
+ }
+}
+
+u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+
+ switch (bus->chip_id) {
+ case 0x5354:
+ return 120000000;
+ default:
+ ssb_err("ERROR: PMU controlclock unknown for device %04X\n",
+ bus->chip_id);
+ return 0;
+ }
+}
+
+void ssb_pmu_spuravoid_pllupdate(struct ssb_chipcommon *cc, int spuravoid)
+{
+ u32 pmu_ctl = 0;
+
+ switch (cc->dev->bus->chip_id) {
+ case 0x4322:
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL0, 0x11100070);
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL1, 0x1014140a);
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL5, 0x88888854);
+ if (spuravoid == 1)
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL2, 0x05201828);
+ else
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL2, 0x05001828);
+ pmu_ctl = SSB_CHIPCO_PMU_CTL_PLL_UPD;
+ break;
+ case 43222:
+ if (spuravoid == 1) {
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL0, 0x11500008);
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL1, 0x0C000C06);
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL2, 0x0F600a08);
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL3, 0x00000000);
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL4, 0x2001E920);
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL5, 0x88888815);
+ } else {
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL0, 0x11100008);
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL1, 0x0c000c06);
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL2, 0x03000a08);
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL3, 0x00000000);
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL4, 0x200005c0);
+ ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL5, 0x88888855);
+ }
+ pmu_ctl = SSB_CHIPCO_PMU_CTL_PLL_UPD;
+ break;
+ default:
+ ssb_printk(KERN_ERR PFX
+ "Unknown spuravoidance settings for chip 0x%04X, not changing PLL\n",
+ cc->dev->bus->chip_id);
+ return;
+ }
+
+ chipco_set32(cc, SSB_CHIPCO_PMU_CTL, pmu_ctl);
+}
+EXPORT_SYMBOL_GPL(ssb_pmu_spuravoid_pllupdate);
diff --git a/drivers/ssb/driver_chipcommon_sflash.c b/drivers/ssb/driver_chipcommon_sflash.c
new file mode 100644
index 00000000000..937fc31971a
--- /dev/null
+++ b/drivers/ssb/driver_chipcommon_sflash.c
@@ -0,0 +1,164 @@
+/*
+ * Sonics Silicon Backplane
+ * ChipCommon serial flash interface
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/ssb/ssb.h>
+
+#include "ssb_private.h"
+
+static struct resource ssb_sflash_resource = {
+ .name = "ssb_sflash",
+ .start = SSB_FLASH2,
+ .end = 0,
+ .flags = IORESOURCE_MEM | IORESOURCE_READONLY,
+};
+
+struct platform_device ssb_sflash_dev = {
+ .name = "ssb_sflash",
+ .resource = &ssb_sflash_resource,
+ .num_resources = 1,
+};
+
+struct ssb_sflash_tbl_e {
+ char *name;
+ u32 id;
+ u32 blocksize;
+ u16 numblocks;
+};
+
+static const struct ssb_sflash_tbl_e ssb_sflash_st_tbl[] = {
+ { "M25P20", 0x11, 0x10000, 4, },
+ { "M25P40", 0x12, 0x10000, 8, },
+
+ { "M25P16", 0x14, 0x10000, 32, },
+ { "M25P32", 0x15, 0x10000, 64, },
+ { "M25P64", 0x16, 0x10000, 128, },
+ { "M25FL128", 0x17, 0x10000, 256, },
+ { NULL },
+};
+
+static const struct ssb_sflash_tbl_e ssb_sflash_sst_tbl[] = {
+ { "SST25WF512", 1, 0x1000, 16, },
+ { "SST25VF512", 0x48, 0x1000, 16, },
+ { "SST25WF010", 2, 0x1000, 32, },
+ { "SST25VF010", 0x49, 0x1000, 32, },
+ { "SST25WF020", 3, 0x1000, 64, },
+ { "SST25VF020", 0x43, 0x1000, 64, },
+ { "SST25WF040", 4, 0x1000, 128, },
+ { "SST25VF040", 0x44, 0x1000, 128, },
+ { "SST25VF040B", 0x8d, 0x1000, 128, },
+ { "SST25WF080", 5, 0x1000, 256, },
+ { "SST25VF080B", 0x8e, 0x1000, 256, },
+ { "SST25VF016", 0x41, 0x1000, 512, },
+ { "SST25VF032", 0x4a, 0x1000, 1024, },
+ { "SST25VF064", 0x4b, 0x1000, 2048, },
+ { NULL },
+};
+
+static const struct ssb_sflash_tbl_e ssb_sflash_at_tbl[] = {
+ { "AT45DB011", 0xc, 256, 512, },
+ { "AT45DB021", 0x14, 256, 1024, },
+ { "AT45DB041", 0x1c, 256, 2048, },
+ { "AT45DB081", 0x24, 256, 4096, },
+ { "AT45DB161", 0x2c, 512, 4096, },
+ { "AT45DB321", 0x34, 512, 8192, },
+ { "AT45DB642", 0x3c, 1024, 8192, },
+ { NULL },
+};
+
+static void ssb_sflash_cmd(struct ssb_chipcommon *cc, u32 opcode)
+{
+ int i;
+ chipco_write32(cc, SSB_CHIPCO_FLASHCTL,
+ SSB_CHIPCO_FLASHCTL_START | opcode);
+ for (i = 0; i < 1000; i++) {
+ if (!(chipco_read32(cc, SSB_CHIPCO_FLASHCTL) &
+ SSB_CHIPCO_FLASHCTL_BUSY))
+ return;
+ cpu_relax();
+ }
+ pr_err("SFLASH control command failed (timeout)!\n");
+}
+
+/* Initialize serial flash access */
+int ssb_sflash_init(struct ssb_chipcommon *cc)
+{
+ struct ssb_sflash *sflash = &cc->dev->bus->mipscore.sflash;
+ const struct ssb_sflash_tbl_e *e;
+ u32 id, id2;
+
+ switch (cc->capabilities & SSB_CHIPCO_CAP_FLASHT) {
+ case SSB_CHIPCO_FLASHT_STSER:
+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_DP);
+
+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, 0);
+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_RES);
+ id = chipco_read32(cc, SSB_CHIPCO_FLASHDATA);
+
+ chipco_write32(cc, SSB_CHIPCO_FLASHADDR, 1);
+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_ST_RES);
+ id2 = chipco_read32(cc, SSB_CHIPCO_FLASHDATA);
+
+ switch (id) {
+ case 0xbf:
+ for (e = ssb_sflash_sst_tbl; e->name; e++) {
+ if (e->id == id2)
+ break;
+ }
+ break;
+ case 0x13:
+ return -ENOTSUPP;
+ default:
+ for (e = ssb_sflash_st_tbl; e->name; e++) {
+ if (e->id == id)
+ break;
+ }
+ break;
+ }
+ if (!e->name) {
+ pr_err("Unsupported ST serial flash (id: 0x%X, id2: 0x%X)\n",
+ id, id2);
+ return -ENOTSUPP;
+ }
+
+ break;
+ case SSB_CHIPCO_FLASHT_ATSER:
+ ssb_sflash_cmd(cc, SSB_CHIPCO_FLASHCTL_AT_STATUS);
+ id = chipco_read32(cc, SSB_CHIPCO_FLASHDATA) & 0x3c;
+
+ for (e = ssb_sflash_at_tbl; e->name; e++) {
+ if (e->id == id)
+ break;
+ }
+ if (!e->name) {
+ pr_err("Unsupported Atmel serial flash (id: 0x%X)\n",
+ id);
+ return -ENOTSUPP;
+ }
+
+ break;
+ default:
+ pr_err("Unsupported flash type\n");
+ return -ENOTSUPP;
+ }
+
+ sflash->window = SSB_FLASH2;
+ sflash->blocksize = e->blocksize;
+ sflash->numblocks = e->numblocks;
+ sflash->size = sflash->blocksize * sflash->numblocks;
+ sflash->present = true;
+
+ pr_info("Found %s serial flash (size: %dKiB, blocksize: 0x%X, blocks: %d)\n",
+ e->name, sflash->size / 1024, e->blocksize, e->numblocks);
+
+ /* Prepare platform device, but don't register it yet. It's too early,
+ * malloc (required by device_private_init) is not available yet. */
+ ssb_sflash_dev.resource[0].end = ssb_sflash_dev.resource[0].start +
+ sflash->size;
+ ssb_sflash_dev.dev.platform_data = sflash;
+
+ return 0;
+}
diff --git a/drivers/ssb/driver_extif.c b/drivers/ssb/driver_extif.c
index c3e1d3e6d61..59385fdab5b 100644
--- a/drivers/ssb/driver_extif.c
+++ b/drivers/ssb/driver_extif.c
@@ -3,7 +3,7 @@
* Broadcom EXTIF core driver
*
* Copyright 2005, Broadcom Corporation
- * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
+ * Copyright 2006, 2007, Michael Buesch <m@bues.ch>
* Copyright 2006, 2007, Felix Fietkau <nbd@openwrt.org>
* Copyright 2007, Aurelien Jarno <aurelien@aurel32.net>
*
@@ -112,10 +112,37 @@ void ssb_extif_get_clockcontrol(struct ssb_extif *extif,
*m = extif_read32(extif, SSB_EXTIF_CLOCK_SB);
}
-void ssb_extif_watchdog_timer_set(struct ssb_extif *extif,
- u32 ticks)
+u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks)
{
+ struct ssb_extif *extif = bcm47xx_wdt_get_drvdata(wdt);
+
+ return ssb_extif_watchdog_timer_set(extif, ticks);
+}
+
+u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms)
+{
+ struct ssb_extif *extif = bcm47xx_wdt_get_drvdata(wdt);
+ u32 ticks = (SSB_EXTIF_WATCHDOG_CLK / 1000) * ms;
+
+ ticks = ssb_extif_watchdog_timer_set(extif, ticks);
+
+ return (ticks * 1000) / SSB_EXTIF_WATCHDOG_CLK;
+}
+
+u32 ssb_extif_watchdog_timer_set(struct ssb_extif *extif, u32 ticks)
+{
+ if (ticks > SSB_EXTIF_WATCHDOG_MAX_TIMER)
+ ticks = SSB_EXTIF_WATCHDOG_MAX_TIMER;
extif_write32(extif, SSB_EXTIF_WATCHDOG, ticks);
+
+ return ticks;
+}
+
+void ssb_extif_init(struct ssb_extif *extif)
+{
+ if (!extif->dev)
+ return; /* We don't have a Extif core */
+ spin_lock_init(&extif->gpio_lock);
}
u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask)
@@ -125,22 +152,50 @@ u32 ssb_extif_gpio_in(struct ssb_extif *extif, u32 mask)
u32 ssb_extif_gpio_out(struct ssb_extif *extif, u32 mask, u32 value)
{
- return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0),
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&extif->gpio_lock, flags);
+ res = extif_write32_masked(extif, SSB_EXTIF_GPIO_OUT(0),
mask, value);
+ spin_unlock_irqrestore(&extif->gpio_lock, flags);
+
+ return res;
}
u32 ssb_extif_gpio_outen(struct ssb_extif *extif, u32 mask, u32 value)
{
- return extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0),
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&extif->gpio_lock, flags);
+ res = extif_write32_masked(extif, SSB_EXTIF_GPIO_OUTEN(0),
mask, value);
+ spin_unlock_irqrestore(&extif->gpio_lock, flags);
+
+ return res;
}
u32 ssb_extif_gpio_polarity(struct ssb_extif *extif, u32 mask, u32 value)
{
- return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTPOL, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&extif->gpio_lock, flags);
+ res = extif_write32_masked(extif, SSB_EXTIF_GPIO_INTPOL, mask, value);
+ spin_unlock_irqrestore(&extif->gpio_lock, flags);
+
+ return res;
}
u32 ssb_extif_gpio_intmask(struct ssb_extif *extif, u32 mask, u32 value)
{
- return extif_write32_masked(extif, SSB_EXTIF_GPIO_INTMASK, mask, value);
+ unsigned long flags;
+ u32 res = 0;
+
+ spin_lock_irqsave(&extif->gpio_lock, flags);
+ res = extif_write32_masked(extif, SSB_EXTIF_GPIO_INTMASK, mask, value);
+ spin_unlock_irqrestore(&extif->gpio_lock, flags);
+
+ return res;
}
diff --git a/drivers/ssb/driver_gige.c b/drivers/ssb/driver_gige.c
new file mode 100644
index 00000000000..21f71a1581f
--- /dev/null
+++ b/drivers/ssb/driver_gige.c
@@ -0,0 +1,297 @@
+/*
+ * Sonics Silicon Backplane
+ * Broadcom Gigabit Ethernet core driver
+ *
+ * Copyright 2008, Broadcom Corporation
+ * Copyright 2008, Michael Buesch <m@bues.ch>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/ssb/ssb.h>
+#include <linux/ssb/ssb_driver_gige.h>
+#include <linux/export.h>
+#include <linux/pci.h>
+#include <linux/pci_regs.h>
+#include <linux/slab.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_gpio.c b/drivers/ssb/driver_gpio.c
new file mode 100644
index 00000000000..ba350d2035c
--- /dev/null
+++ b/drivers/ssb/driver_gpio.c
@@ -0,0 +1,484 @@
+/*
+ * Sonics Silicon Backplane
+ * GPIO driver
+ *
+ * Copyright 2011, Broadcom Corporation
+ * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/irqdomain.h>
+#include <linux/export.h>
+#include <linux/ssb/ssb.h>
+
+#include "ssb_private.h"
+
+
+/**************************************************
+ * Shared
+ **************************************************/
+
+static struct ssb_bus *ssb_gpio_get_bus(struct gpio_chip *chip)
+{
+ return container_of(chip, struct ssb_bus, gpio);
+}
+
+#if IS_ENABLED(CONFIG_SSB_EMBEDDED)
+static int ssb_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ if (bus->bustype == SSB_BUSTYPE_SSB)
+ return irq_find_mapping(bus->irq_domain, gpio);
+ else
+ return -EINVAL;
+}
+#endif
+
+/**************************************************
+ * ChipCommon
+ **************************************************/
+
+static int ssb_gpio_chipco_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ return !!ssb_chipco_gpio_in(&bus->chipco, 1 << gpio);
+}
+
+static void ssb_gpio_chipco_set_value(struct gpio_chip *chip, unsigned gpio,
+ int value)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0);
+}
+
+static int ssb_gpio_chipco_direction_input(struct gpio_chip *chip,
+ unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 0);
+ return 0;
+}
+
+static int ssb_gpio_chipco_direction_output(struct gpio_chip *chip,
+ unsigned gpio, int value)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_chipco_gpio_outen(&bus->chipco, 1 << gpio, 1 << gpio);
+ ssb_chipco_gpio_out(&bus->chipco, 1 << gpio, value ? 1 << gpio : 0);
+ return 0;
+}
+
+static int ssb_gpio_chipco_request(struct gpio_chip *chip, unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_chipco_gpio_control(&bus->chipco, 1 << gpio, 0);
+ /* clear pulldown */
+ ssb_chipco_gpio_pulldown(&bus->chipco, 1 << gpio, 0);
+ /* Set pullup */
+ ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 1 << gpio);
+
+ return 0;
+}
+
+static void ssb_gpio_chipco_free(struct gpio_chip *chip, unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ /* clear pullup */
+ ssb_chipco_gpio_pullup(&bus->chipco, 1 << gpio, 0);
+}
+
+#if IS_ENABLED(CONFIG_SSB_EMBEDDED)
+static void ssb_gpio_irq_chipco_mask(struct irq_data *d)
+{
+ struct ssb_bus *bus = irq_data_get_irq_chip_data(d);
+ int gpio = irqd_to_hwirq(d);
+
+ ssb_chipco_gpio_intmask(&bus->chipco, BIT(gpio), 0);
+}
+
+static void ssb_gpio_irq_chipco_unmask(struct irq_data *d)
+{
+ struct ssb_bus *bus = irq_data_get_irq_chip_data(d);
+ int gpio = irqd_to_hwirq(d);
+ u32 val = ssb_chipco_gpio_in(&bus->chipco, BIT(gpio));
+
+ ssb_chipco_gpio_polarity(&bus->chipco, BIT(gpio), val);
+ ssb_chipco_gpio_intmask(&bus->chipco, BIT(gpio), BIT(gpio));
+}
+
+static struct irq_chip ssb_gpio_irq_chipco_chip = {
+ .name = "SSB-GPIO-CC",
+ .irq_mask = ssb_gpio_irq_chipco_mask,
+ .irq_unmask = ssb_gpio_irq_chipco_unmask,
+};
+
+static irqreturn_t ssb_gpio_irq_chipco_handler(int irq, void *dev_id)
+{
+ struct ssb_bus *bus = dev_id;
+ struct ssb_chipcommon *chipco = &bus->chipco;
+ u32 val = chipco_read32(chipco, SSB_CHIPCO_GPIOIN);
+ u32 mask = chipco_read32(chipco, SSB_CHIPCO_GPIOIRQ);
+ u32 pol = chipco_read32(chipco, SSB_CHIPCO_GPIOPOL);
+ unsigned long irqs = (val ^ pol) & mask;
+ int gpio;
+
+ if (!irqs)
+ return IRQ_NONE;
+
+ for_each_set_bit(gpio, &irqs, bus->gpio.ngpio)
+ generic_handle_irq(ssb_gpio_to_irq(&bus->gpio, gpio));
+ ssb_chipco_gpio_polarity(chipco, irqs, val & irqs);
+
+ return IRQ_HANDLED;
+}
+
+static int ssb_gpio_irq_chipco_domain_init(struct ssb_bus *bus)
+{
+ struct ssb_chipcommon *chipco = &bus->chipco;
+ struct gpio_chip *chip = &bus->gpio;
+ int gpio, hwirq, err;
+
+ if (bus->bustype != SSB_BUSTYPE_SSB)
+ return 0;
+
+ bus->irq_domain = irq_domain_add_linear(NULL, chip->ngpio,
+ &irq_domain_simple_ops, chipco);
+ if (!bus->irq_domain) {
+ err = -ENODEV;
+ goto err_irq_domain;
+ }
+ for (gpio = 0; gpio < chip->ngpio; gpio++) {
+ int irq = irq_create_mapping(bus->irq_domain, gpio);
+
+ irq_set_chip_data(irq, bus);
+ irq_set_chip_and_handler(irq, &ssb_gpio_irq_chipco_chip,
+ handle_simple_irq);
+ }
+
+ hwirq = ssb_mips_irq(bus->chipco.dev) + 2;
+ err = request_irq(hwirq, ssb_gpio_irq_chipco_handler, IRQF_SHARED,
+ "gpio", bus);
+ if (err)
+ goto err_req_irq;
+
+ ssb_chipco_gpio_intmask(&bus->chipco, ~0, 0);
+ chipco_set32(chipco, SSB_CHIPCO_IRQMASK, SSB_CHIPCO_IRQ_GPIO);
+
+ return 0;
+
+err_req_irq:
+ for (gpio = 0; gpio < chip->ngpio; gpio++) {
+ int irq = irq_find_mapping(bus->irq_domain, gpio);
+
+ irq_dispose_mapping(irq);
+ }
+ irq_domain_remove(bus->irq_domain);
+err_irq_domain:
+ return err;
+}
+
+static void ssb_gpio_irq_chipco_domain_exit(struct ssb_bus *bus)
+{
+ struct ssb_chipcommon *chipco = &bus->chipco;
+ struct gpio_chip *chip = &bus->gpio;
+ int gpio;
+
+ if (bus->bustype != SSB_BUSTYPE_SSB)
+ return;
+
+ chipco_mask32(chipco, SSB_CHIPCO_IRQMASK, ~SSB_CHIPCO_IRQ_GPIO);
+ free_irq(ssb_mips_irq(bus->chipco.dev) + 2, chipco);
+ for (gpio = 0; gpio < chip->ngpio; gpio++) {
+ int irq = irq_find_mapping(bus->irq_domain, gpio);
+
+ irq_dispose_mapping(irq);
+ }
+ irq_domain_remove(bus->irq_domain);
+}
+#else
+static int ssb_gpio_irq_chipco_domain_init(struct ssb_bus *bus)
+{
+ return 0;
+}
+
+static void ssb_gpio_irq_chipco_domain_exit(struct ssb_bus *bus)
+{
+}
+#endif
+
+static int ssb_gpio_chipco_init(struct ssb_bus *bus)
+{
+ struct gpio_chip *chip = &bus->gpio;
+ int err;
+
+ chip->label = "ssb_chipco_gpio";
+ chip->owner = THIS_MODULE;
+ chip->request = ssb_gpio_chipco_request;
+ chip->free = ssb_gpio_chipco_free;
+ chip->get = ssb_gpio_chipco_get_value;
+ chip->set = ssb_gpio_chipco_set_value;
+ chip->direction_input = ssb_gpio_chipco_direction_input;
+ chip->direction_output = ssb_gpio_chipco_direction_output;
+#if IS_ENABLED(CONFIG_SSB_EMBEDDED)
+ chip->to_irq = ssb_gpio_to_irq;
+#endif
+ chip->ngpio = 16;
+ /* There is just one SoC in one device and its GPIO addresses should be
+ * deterministic to address them more easily. The other buses could get
+ * a random base number. */
+ if (bus->bustype == SSB_BUSTYPE_SSB)
+ chip->base = 0;
+ else
+ chip->base = -1;
+
+ err = ssb_gpio_irq_chipco_domain_init(bus);
+ if (err)
+ return err;
+
+ err = gpiochip_add(chip);
+ if (err) {
+ ssb_gpio_irq_chipco_domain_exit(bus);
+ return err;
+ }
+
+ return 0;
+}
+
+/**************************************************
+ * EXTIF
+ **************************************************/
+
+#ifdef CONFIG_SSB_DRIVER_EXTIF
+
+static int ssb_gpio_extif_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ return !!ssb_extif_gpio_in(&bus->extif, 1 << gpio);
+}
+
+static void ssb_gpio_extif_set_value(struct gpio_chip *chip, unsigned gpio,
+ int value)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_extif_gpio_out(&bus->extif, 1 << gpio, value ? 1 << gpio : 0);
+}
+
+static int ssb_gpio_extif_direction_input(struct gpio_chip *chip,
+ unsigned gpio)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_extif_gpio_outen(&bus->extif, 1 << gpio, 0);
+ return 0;
+}
+
+static int ssb_gpio_extif_direction_output(struct gpio_chip *chip,
+ unsigned gpio, int value)
+{
+ struct ssb_bus *bus = ssb_gpio_get_bus(chip);
+
+ ssb_extif_gpio_outen(&bus->extif, 1 << gpio, 1 << gpio);
+ ssb_extif_gpio_out(&bus->extif, 1 << gpio, value ? 1 << gpio : 0);
+ return 0;
+}
+
+#if IS_ENABLED(CONFIG_SSB_EMBEDDED)
+static void ssb_gpio_irq_extif_mask(struct irq_data *d)
+{
+ struct ssb_bus *bus = irq_data_get_irq_chip_data(d);
+ int gpio = irqd_to_hwirq(d);
+
+ ssb_extif_gpio_intmask(&bus->extif, BIT(gpio), 0);
+}
+
+static void ssb_gpio_irq_extif_unmask(struct irq_data *d)
+{
+ struct ssb_bus *bus = irq_data_get_irq_chip_data(d);
+ int gpio = irqd_to_hwirq(d);
+ u32 val = ssb_extif_gpio_in(&bus->extif, BIT(gpio));
+
+ ssb_extif_gpio_polarity(&bus->extif, BIT(gpio), val);
+ ssb_extif_gpio_intmask(&bus->extif, BIT(gpio), BIT(gpio));
+}
+
+static struct irq_chip ssb_gpio_irq_extif_chip = {
+ .name = "SSB-GPIO-EXTIF",
+ .irq_mask = ssb_gpio_irq_extif_mask,
+ .irq_unmask = ssb_gpio_irq_extif_unmask,
+};
+
+static irqreturn_t ssb_gpio_irq_extif_handler(int irq, void *dev_id)
+{
+ struct ssb_bus *bus = dev_id;
+ struct ssb_extif *extif = &bus->extif;
+ u32 val = ssb_read32(extif->dev, SSB_EXTIF_GPIO_IN);
+ u32 mask = ssb_read32(extif->dev, SSB_EXTIF_GPIO_INTMASK);
+ u32 pol = ssb_read32(extif->dev, SSB_EXTIF_GPIO_INTPOL);
+ unsigned long irqs = (val ^ pol) & mask;
+ int gpio;
+
+ if (!irqs)
+ return IRQ_NONE;
+
+ for_each_set_bit(gpio, &irqs, bus->gpio.ngpio)
+ generic_handle_irq(ssb_gpio_to_irq(&bus->gpio, gpio));
+ ssb_extif_gpio_polarity(extif, irqs, val & irqs);
+
+ return IRQ_HANDLED;
+}
+
+static int ssb_gpio_irq_extif_domain_init(struct ssb_bus *bus)
+{
+ struct ssb_extif *extif = &bus->extif;
+ struct gpio_chip *chip = &bus->gpio;
+ int gpio, hwirq, err;
+
+ if (bus->bustype != SSB_BUSTYPE_SSB)
+ return 0;
+
+ bus->irq_domain = irq_domain_add_linear(NULL, chip->ngpio,
+ &irq_domain_simple_ops, extif);
+ if (!bus->irq_domain) {
+ err = -ENODEV;
+ goto err_irq_domain;
+ }
+ for (gpio = 0; gpio < chip->ngpio; gpio++) {
+ int irq = irq_create_mapping(bus->irq_domain, gpio);
+
+ irq_set_chip_data(irq, bus);
+ irq_set_chip_and_handler(irq, &ssb_gpio_irq_extif_chip,
+ handle_simple_irq);
+ }
+
+ hwirq = ssb_mips_irq(bus->extif.dev) + 2;
+ err = request_irq(hwirq, ssb_gpio_irq_extif_handler, IRQF_SHARED,
+ "gpio", bus);
+ if (err)
+ goto err_req_irq;
+
+ ssb_extif_gpio_intmask(&bus->extif, ~0, 0);
+
+ return 0;
+
+err_req_irq:
+ for (gpio = 0; gpio < chip->ngpio; gpio++) {
+ int irq = irq_find_mapping(bus->irq_domain, gpio);
+
+ irq_dispose_mapping(irq);
+ }
+ irq_domain_remove(bus->irq_domain);
+err_irq_domain:
+ return err;
+}
+
+static void ssb_gpio_irq_extif_domain_exit(struct ssb_bus *bus)
+{
+ struct ssb_extif *extif = &bus->extif;
+ struct gpio_chip *chip = &bus->gpio;
+ int gpio;
+
+ if (bus->bustype != SSB_BUSTYPE_SSB)
+ return;
+
+ free_irq(ssb_mips_irq(bus->extif.dev) + 2, extif);
+ for (gpio = 0; gpio < chip->ngpio; gpio++) {
+ int irq = irq_find_mapping(bus->irq_domain, gpio);
+
+ irq_dispose_mapping(irq);
+ }
+ irq_domain_remove(bus->irq_domain);
+}
+#else
+static int ssb_gpio_irq_extif_domain_init(struct ssb_bus *bus)
+{
+ return 0;
+}
+
+static void ssb_gpio_irq_extif_domain_exit(struct ssb_bus *bus)
+{
+}
+#endif
+
+static int ssb_gpio_extif_init(struct ssb_bus *bus)
+{
+ struct gpio_chip *chip = &bus->gpio;
+ int err;
+
+ chip->label = "ssb_extif_gpio";
+ chip->owner = THIS_MODULE;
+ chip->get = ssb_gpio_extif_get_value;
+ chip->set = ssb_gpio_extif_set_value;
+ chip->direction_input = ssb_gpio_extif_direction_input;
+ chip->direction_output = ssb_gpio_extif_direction_output;
+#if IS_ENABLED(CONFIG_SSB_EMBEDDED)
+ chip->to_irq = ssb_gpio_to_irq;
+#endif
+ chip->ngpio = 5;
+ /* There is just one SoC in one device and its GPIO addresses should be
+ * deterministic to address them more easily. The other buses could get
+ * a random base number. */
+ if (bus->bustype == SSB_BUSTYPE_SSB)
+ chip->base = 0;
+ else
+ chip->base = -1;
+
+ err = ssb_gpio_irq_extif_domain_init(bus);
+ if (err)
+ return err;
+
+ err = gpiochip_add(chip);
+ if (err) {
+ ssb_gpio_irq_extif_domain_exit(bus);
+ return err;
+ }
+
+ return 0;
+}
+
+#else
+static int ssb_gpio_extif_init(struct ssb_bus *bus)
+{
+ return -ENOTSUPP;
+}
+#endif
+
+/**************************************************
+ * Init
+ **************************************************/
+
+int ssb_gpio_init(struct ssb_bus *bus)
+{
+ if (ssb_chipco_available(&bus->chipco))
+ return ssb_gpio_chipco_init(bus);
+ else if (ssb_extif_available(&bus->extif))
+ return ssb_gpio_extif_init(bus);
+ else
+ SSB_WARN_ON(1);
+
+ return -1;
+}
+
+int ssb_gpio_unregister(struct ssb_bus *bus)
+{
+ if (ssb_chipco_available(&bus->chipco) ||
+ ssb_extif_available(&bus->extif)) {
+ return gpiochip_remove(&bus->gpio);
+ } else {
+ SSB_WARN_ON(1);
+ }
+
+ return -1;
+}
diff --git a/drivers/ssb/driver_mipscore.c b/drivers/ssb/driver_mipscore.c
index 3d3dd32bf3a..09077067b0c 100644
--- a/drivers/ssb/driver_mipscore.c
+++ b/drivers/ssb/driver_mipscore.c
@@ -3,13 +3,14 @@
* Broadcom MIPS core driver
*
* Copyright 2005, Broadcom Corporation
- * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
+ * Copyright 2006, 2007, Michael Buesch <m@bues.ch>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
#include <linux/ssb/ssb.h>
+#include <linux/mtd/physmap.h>
#include <linux/serial.h>
#include <linux/serial_core.h>
#include <linux/serial_reg.h>
@@ -17,6 +18,25 @@
#include "ssb_private.h"
+static const char * const part_probes[] = { "bcm47xxpart", NULL };
+
+static struct physmap_flash_data ssb_pflash_data = {
+ .part_probe_types = part_probes,
+};
+
+static struct resource ssb_pflash_resource = {
+ .name = "ssb_pflash",
+ .flags = IORESOURCE_MEM,
+};
+
+struct platform_device ssb_pflash_dev = {
+ .name = "physmap-flash",
+ .dev = {
+ .platform_data = &ssb_pflash_data,
+ },
+ .resource = &ssb_pflash_resource,
+ .num_resources = 1,
+};
static inline u32 mips_read32(struct ssb_mipscore *mcore,
u16 offset)
@@ -49,29 +69,54 @@ static const u32 ipsflag_irq_shift[] = {
static inline u32 ssb_irqflag(struct ssb_device *dev)
{
- return ssb_read32(dev, SSB_TPSFLAG) & SSB_TPSFLAG_BPFLAG;
+ u32 tpsflag = ssb_read32(dev, SSB_TPSFLAG);
+ if (tpsflag)
+ return ssb_read32(dev, SSB_TPSFLAG) & SSB_TPSFLAG_BPFLAG;
+ else
+ /* not irq supported */
+ return 0x3f;
+}
+
+static struct ssb_device *find_device(struct ssb_device *rdev, int irqflag)
+{
+ struct ssb_bus *bus = rdev->bus;
+ int i;
+ for (i = 0; i < bus->nr_devices; i++) {
+ struct ssb_device *dev;
+ dev = &(bus->devices[i]);
+ if (ssb_irqflag(dev) == irqflag)
+ return dev;
+ }
+ return NULL;
}
/* Get the MIPS IRQ assignment for a specified device.
* If unassigned, 0 is returned.
+ * If disabled, 5 is returned.
+ * If not supported, 6 is returned.
*/
unsigned int ssb_mips_irq(struct ssb_device *dev)
{
struct ssb_bus *bus = dev->bus;
+ struct ssb_device *mdev = bus->mipscore.dev;
u32 irqflag;
u32 ipsflag;
u32 tmp;
unsigned int irq;
irqflag = ssb_irqflag(dev);
+ if (irqflag == 0x3f)
+ return 6;
ipsflag = ssb_read32(bus->mipscore.dev, SSB_IPSFLAG);
for (irq = 1; irq <= 4; irq++) {
tmp = ((ipsflag & ipsflag_irq_mask[irq]) >> ipsflag_irq_shift[irq]);
if (tmp == irqflag)
break;
}
- if (irq == 5)
- irq = 0;
+ if (irq == 5) {
+ if ((1 << irqflag) & ssb_read32(mdev, SSB_INTVEC))
+ irq = 0;
+ }
return irq;
}
@@ -97,33 +142,66 @@ static void set_irq(struct ssb_device *dev, unsigned int irq)
struct ssb_device *mdev = bus->mipscore.dev;
u32 irqflag = ssb_irqflag(dev);
+ BUG_ON(oldirq == 6);
+
dev->irq = irq + 2;
- ssb_dprintk(KERN_INFO PFX
- "set_irq: core 0x%04x, irq %d => %d\n",
- dev->id.coreid, oldirq, irq);
/* clear the old irq */
if (oldirq == 0)
ssb_write32(mdev, SSB_INTVEC, (~(1 << irqflag) & ssb_read32(mdev, SSB_INTVEC)));
- else
+ else if (oldirq != 5)
clear_irq(bus, oldirq);
/* assign the new one */
- if (irq == 0)
- ssb_write32(mdev, SSB_INTVEC, ((1 << irqflag) & ssb_read32(mdev, SSB_INTVEC)));
+ if (irq == 0) {
+ ssb_write32(mdev, SSB_INTVEC, ((1 << irqflag) | ssb_read32(mdev, SSB_INTVEC)));
+ } else {
+ u32 ipsflag = ssb_read32(mdev, SSB_IPSFLAG);
+ if ((ipsflag & ipsflag_irq_mask[irq]) != ipsflag_irq_mask[irq]) {
+ u32 oldipsflag = (ipsflag & ipsflag_irq_mask[irq]) >> ipsflag_irq_shift[irq];
+ struct ssb_device *olddev = find_device(dev, oldipsflag);
+ if (olddev)
+ set_irq(olddev, 0);
+ }
+ irqflag <<= ipsflag_irq_shift[irq];
+ irqflag |= (ipsflag & ~ipsflag_irq_mask[irq]);
+ ssb_write32(mdev, SSB_IPSFLAG, irqflag);
+ }
+ ssb_dbg("set_irq: core 0x%04x, irq %d => %d\n",
+ dev->id.coreid, oldirq+2, irq+2);
+}
- irqflag <<= ipsflag_irq_shift[irq];
- irqflag |= (ssb_read32(mdev, SSB_IPSFLAG) & ~ipsflag_irq_mask[irq]);
- ssb_write32(mdev, SSB_IPSFLAG, irqflag);
+static void print_irq(struct ssb_device *dev, unsigned int irq)
+{
+ static const char *irq_name[] = {"2(S)", "3", "4", "5", "6", "D", "I"};
+ ssb_dbg("core 0x%04x, irq : %s%s %s%s %s%s %s%s %s%s %s%s %s%s\n",
+ dev->id.coreid,
+ irq_name[0], irq == 0 ? "*" : " ",
+ irq_name[1], irq == 1 ? "*" : " ",
+ irq_name[2], irq == 2 ? "*" : " ",
+ irq_name[3], irq == 3 ? "*" : " ",
+ irq_name[4], irq == 4 ? "*" : " ",
+ irq_name[5], irq == 5 ? "*" : " ",
+ irq_name[6], irq == 6 ? "*" : " ");
+}
+
+static void dump_irq(struct ssb_bus *bus)
+{
+ int i;
+ for (i = 0; i < bus->nr_devices; i++) {
+ struct ssb_device *dev;
+ dev = &(bus->devices[i]);
+ print_irq(dev, ssb_mips_irq(dev));
+ }
}
static void ssb_mips_serial_init(struct ssb_mipscore *mcore)
{
struct ssb_bus *bus = mcore->dev->bus;
- if (bus->extif.dev)
+ if (ssb_extif_available(&bus->extif))
mcore->nr_serial_ports = ssb_extif_serial_init(&bus->extif, mcore->serial_ports);
- else if (bus->chipco.dev)
+ else if (ssb_chipco_available(&bus->chipco))
mcore->nr_serial_ports = ssb_chipco_serial_init(&bus->chipco, mcore->serial_ports);
else
mcore->nr_serial_ports = 0;
@@ -132,17 +210,42 @@ static void ssb_mips_serial_init(struct ssb_mipscore *mcore)
static void ssb_mips_flash_detect(struct ssb_mipscore *mcore)
{
struct ssb_bus *bus = mcore->dev->bus;
+ struct ssb_pflash *pflash = &mcore->pflash;
+
+ /* When there is no chipcommon on the bus there is 4MB flash */
+ if (!ssb_chipco_available(&bus->chipco)) {
+ pflash->present = true;
+ pflash->buswidth = 2;
+ pflash->window = SSB_FLASH1;
+ pflash->window_size = SSB_FLASH1_SZ;
+ goto ssb_pflash;
+ }
- mcore->flash_buswidth = 2;
- if (bus->chipco.dev) {
- mcore->flash_window = 0x1c000000;
- mcore->flash_window_size = 0x02000000;
+ /* There is ChipCommon, so use it to read info about flash */
+ switch (bus->chipco.capabilities & SSB_CHIPCO_CAP_FLASHT) {
+ case SSB_CHIPCO_FLASHT_STSER:
+ case SSB_CHIPCO_FLASHT_ATSER:
+ pr_debug("Found serial flash\n");
+ ssb_sflash_init(&bus->chipco);
+ break;
+ case SSB_CHIPCO_FLASHT_PARA:
+ pr_debug("Found parallel flash\n");
+ pflash->present = true;
+ pflash->window = SSB_FLASH2;
+ pflash->window_size = SSB_FLASH2_SZ;
if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG)
& SSB_CHIPCO_CFG_DS16) == 0)
- mcore->flash_buswidth = 1;
- } else {
- mcore->flash_window = 0x1fc00000;
- mcore->flash_window_size = 0x00400000;
+ pflash->buswidth = 1;
+ else
+ pflash->buswidth = 2;
+ break;
+ }
+
+ssb_pflash:
+ if (pflash->present) {
+ ssb_pflash_data.width = pflash->buswidth;
+ ssb_pflash_resource.start = pflash->window;
+ ssb_pflash_resource.end = pflash->window + pflash->window_size;
}
}
@@ -151,9 +254,12 @@ u32 ssb_cpu_clock(struct ssb_mipscore *mcore)
struct ssb_bus *bus = mcore->dev->bus;
u32 pll_type, n, m, rate = 0;
- if (bus->extif.dev) {
+ if (bus->chipco.capabilities & SSB_CHIPCO_CAP_PMU)
+ return ssb_pmu_get_cpu_clock(&bus->chipco);
+
+ if (ssb_extif_available(&bus->extif)) {
ssb_extif_get_clockcontrol(&bus->extif, &pll_type, &n, &m);
- } else if (bus->chipco.dev) {
+ } else if (ssb_chipco_available(&bus->chipco)) {
ssb_chipco_get_clockcpu(&bus->chipco, &pll_type, &n, &m);
} else
return 0;
@@ -181,7 +287,7 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore)
if (!mcore->dev)
return; /* We don't have a MIPS core */
- ssb_dprintk(KERN_INFO PFX "Initializing MIPS core...\n");
+ ssb_dbg("Initializing MIPS core...\n");
bus = mcore->dev->bus;
hz = ssb_clockspeed(bus);
@@ -189,26 +295,33 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore)
hz = 100000000;
ns = 1000000000 / hz;
- if (bus->extif.dev)
+ if (ssb_extif_available(&bus->extif))
ssb_extif_timing_init(&bus->extif, ns);
- else if (bus->chipco.dev)
+ else if (ssb_chipco_available(&bus->chipco))
ssb_chipco_timing_init(&bus->chipco, ns);
/* Assign IRQs to all cores on the bus, start with irq line 2, because serial usually takes 1 */
for (irq = 2, i = 0; i < bus->nr_devices; i++) {
+ int mips_irq;
dev = &(bus->devices[i]);
- dev->irq = ssb_mips_irq(dev) + 2;
+ mips_irq = ssb_mips_irq(dev);
+ if (mips_irq > 4)
+ dev->irq = 0;
+ else
+ dev->irq = mips_irq + 2;
+ if (dev->irq > 5)
+ continue;
switch (dev->id.coreid) {
case SSB_DEV_USB11_HOST:
/* shouldn't need a separate irq line for non-4710, most of them have a proper
* external usb controller on the pci */
if ((bus->chip_id == 0x4710) && (irq <= 4)) {
set_irq(dev, irq++);
- break;
}
- /* fallthrough */
+ break;
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 */
@@ -216,8 +329,14 @@ void ssb_mipscore_init(struct ssb_mipscore *mcore)
set_irq(dev, irq++);
break;
}
+ /* fallthrough */
+ case SSB_DEV_EXTIF:
+ set_irq(dev, 0);
+ break;
}
}
+ ssb_dbg("after irq reconfiguration\n");
+ dump_irq(bus);
ssb_mips_serial_init(mcore);
ssb_mips_flash_detect(mcore);
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index 74b9a8aea52..d75b72ba267 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -3,18 +3,24 @@
* Broadcom PCI-core driver
*
* Copyright 2005, Broadcom Corporation
- * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
+ * Copyright 2006, 2007, Michael Buesch <m@bues.ch>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
#include <linux/ssb/ssb.h>
#include <linux/pci.h>
+#include <linux/export.h>
#include <linux/delay.h>
#include <linux/ssb/ssb_embedded.h>
#include "ssb_private.h"
+static u32 ssb_pcie_read(struct ssb_pcicore *pc, u32 address);
+static void ssb_pcie_write(struct ssb_pcicore *pc, u32 address, u32 data);
+static u16 ssb_pcie_mdio_read(struct ssb_pcicore *pc, u8 device, u8 address);
+static void ssb_pcie_mdio_write(struct ssb_pcicore *pc, u8 device,
+ u8 address, u16 data);
static inline
u32 pcicore_read32(struct ssb_pcicore *pc, u16 offset)
@@ -60,77 +66,6 @@ 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,
@@ -140,7 +75,7 @@ static u32 get_cfgspace_addr(struct ssb_pcicore *pc,
u32 tmp;
/* We do only have one cardbus device behind the bridge. */
- if (pc->cardbusmode && (dev >= 1))
+ if (pc->cardbusmode && (dev > 1))
goto out;
if (bus == 0) {
@@ -317,9 +252,68 @@ static struct pci_controller ssb_pcicore_controller = {
.pci_ops = &ssb_pcicore_pciops,
.io_resource = &ssb_pcicore_io_resource,
.mem_resource = &ssb_pcicore_mem_resource,
- .mem_offset = 0x24000000,
};
+/* 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)
+{
+ if (d->bus->ops != &ssb_pcicore_pciops) {
+ /* This is not a device on the PCI-core bridge. */
+ return -ENODEV;
+ }
+
+ ssb_info("PCI: Fixing up device %s\n", pci_name(d));
+
+ /* 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_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_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_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;
@@ -328,7 +322,7 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
return;
extpci_core = pc;
- ssb_dprintk(KERN_INFO PFX "PCIcore in host mode found\n");
+ ssb_dbg("PCIcore in host mode found\n");
/* Reset devices on the external PCI bus */
val = SSB_PCICORE_CTL_RST_OE;
val |= SSB_PCICORE_CTL_CLK_OE;
@@ -343,7 +337,7 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
udelay(1); /* Assertion time demanded by the PCI standard */
if (pc->dev->bus->has_cardbus_slot) {
- ssb_dprintk(KERN_INFO PFX "CardBus slot detected\n");
+ ssb_dbg("CardBus slot detected\n");
pc->cardbusmode = 1;
/* GPIO 1 resets the bridge */
ssb_gpio_out(pc->dev->bus, 1, 1);
@@ -414,6 +408,107 @@ static int pcicore_is_in_hostmode(struct ssb_pcicore *pc)
}
#endif /* CONFIG_SSB_PCICORE_HOSTMODE */
+/**************************************************
+ * Workarounds.
+ **************************************************/
+
+static void ssb_pcicore_fix_sprom_core_index(struct ssb_pcicore *pc)
+{
+ u16 tmp = pcicore_read16(pc, SSB_PCICORE_SPROM(0));
+ if (((tmp & 0xF000) >> 12) != pc->dev->core_index) {
+ tmp &= ~0xF000;
+ tmp |= (pc->dev->core_index << 12);
+ pcicore_write16(pc, SSB_PCICORE_SPROM(0), tmp);
+ }
+}
+
+static u8 ssb_pcicore_polarity_workaround(struct ssb_pcicore *pc)
+{
+ return (ssb_pcie_read(pc, 0x204) & 0x10) ? 0xC0 : 0x80;
+}
+
+static void ssb_pcicore_serdes_workaround(struct ssb_pcicore *pc)
+{
+ const u8 serdes_pll_device = 0x1D;
+ const u8 serdes_rx_device = 0x1F;
+ u16 tmp;
+
+ ssb_pcie_mdio_write(pc, serdes_rx_device, 1 /* Control */,
+ ssb_pcicore_polarity_workaround(pc));
+ tmp = ssb_pcie_mdio_read(pc, serdes_pll_device, 1 /* Control */);
+ if (tmp & 0x4000)
+ ssb_pcie_mdio_write(pc, serdes_pll_device, 1, tmp & ~0x4000);
+}
+
+static void ssb_pcicore_pci_setup_workarounds(struct ssb_pcicore *pc)
+{
+ struct ssb_device *pdev = pc->dev;
+ struct ssb_bus *bus = pdev->bus;
+ u32 tmp;
+
+ tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2);
+ tmp |= SSB_PCICORE_SBTOPCI_PREF;
+ tmp |= SSB_PCICORE_SBTOPCI_BURST;
+ pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp);
+
+ if (pdev->id.revision < 5) {
+ tmp = ssb_read32(pdev, SSB_IMCFGLO);
+ tmp &= ~SSB_IMCFGLO_SERTO;
+ tmp |= 2;
+ tmp &= ~SSB_IMCFGLO_REQTO;
+ tmp |= 3 << SSB_IMCFGLO_REQTO_SHIFT;
+ ssb_write32(pdev, SSB_IMCFGLO, tmp);
+ ssb_commit_settings(bus);
+ } else if (pdev->id.revision >= 11) {
+ tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2);
+ tmp |= SSB_PCICORE_SBTOPCI_MRM;
+ pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp);
+ }
+}
+
+static void ssb_pcicore_pcie_setup_workarounds(struct ssb_pcicore *pc)
+{
+ u32 tmp;
+ u8 rev = pc->dev->id.revision;
+
+ if (rev == 0 || rev == 1) {
+ /* TLP Workaround register. */
+ tmp = ssb_pcie_read(pc, 0x4);
+ tmp |= 0x8;
+ ssb_pcie_write(pc, 0x4, tmp);
+ }
+ if (rev == 1) {
+ /* DLLP Link Control register. */
+ tmp = ssb_pcie_read(pc, 0x100);
+ tmp |= 0x40;
+ ssb_pcie_write(pc, 0x100, tmp);
+ }
+
+ if (rev == 0) {
+ const u8 serdes_rx_device = 0x1F;
+
+ ssb_pcie_mdio_write(pc, serdes_rx_device,
+ 2 /* Timer */, 0x8128);
+ ssb_pcie_mdio_write(pc, serdes_rx_device,
+ 6 /* CDR */, 0x0100);
+ ssb_pcie_mdio_write(pc, serdes_rx_device,
+ 7 /* CDR BW */, 0x1466);
+ } else if (rev == 3 || rev == 4 || rev == 5) {
+ /* TODO: DLLP Power Management Threshold */
+ ssb_pcicore_serdes_workaround(pc);
+ /* TODO: ASPM */
+ } else if (rev == 7) {
+ /* TODO: No PLL down */
+ }
+
+ if (rev >= 6) {
+ /* Miscellaneous Configuration Fixup */
+ tmp = pcicore_read16(pc, SSB_PCICORE_SPROM(5));
+ if (!(tmp & 0x8000))
+ pcicore_write16(pc, SSB_PCICORE_SPROM(5),
+ tmp | 0x8000);
+ }
+}
/**************************************************
* Generic and Clientmode operation code.
@@ -421,18 +516,29 @@ static int pcicore_is_in_hostmode(struct ssb_pcicore *pc)
static void ssb_pcicore_init_clientmode(struct ssb_pcicore *pc)
{
+ struct ssb_device *pdev = pc->dev;
+ struct ssb_bus *bus = pdev->bus;
+
+ if (bus->bustype == SSB_BUSTYPE_PCI)
+ ssb_pcicore_fix_sprom_core_index(pc);
+
/* Disable PCI interrupts. */
- ssb_write32(pc->dev, SSB_INTVEC, 0);
+ ssb_write32(pdev, SSB_INTVEC, 0);
+
+ /* Additional PCIe always once-executed workarounds */
+ if (pc->dev->id.coreid == SSB_DEV_PCIE) {
+ ssb_pcicore_serdes_workaround(pc);
+ /* TODO: ASPM */
+ /* TODO: Clock Request Update */
+ }
}
void ssb_pcicore_init(struct ssb_pcicore *pc)
{
struct ssb_device *dev = pc->dev;
- struct ssb_bus *bus;
if (!dev)
return;
- bus = dev->bus;
if (!ssb_device_is_enabled(dev))
ssb_device_enable(dev, 0);
@@ -457,11 +563,35 @@ static void ssb_pcie_write(struct ssb_pcicore *pc, u32 address, u32 data)
pcicore_write32(pc, 0x134, data);
}
-static void ssb_pcie_mdio_write(struct ssb_pcicore *pc, u8 device,
- u8 address, u16 data)
+static void ssb_pcie_mdio_set_phy(struct ssb_pcicore *pc, u8 phy)
+{
+ const u16 mdio_control = 0x128;
+ const u16 mdio_data = 0x12C;
+ u32 v;
+ int i;
+
+ v = (1 << 30); /* Start of Transaction */
+ v |= (1 << 28); /* Write Transaction */
+ v |= (1 << 17); /* Turnaround */
+ v |= (0x1F << 18);
+ v |= (phy << 4);
+ pcicore_write32(pc, mdio_data, v);
+
+ udelay(10);
+ for (i = 0; i < 200; i++) {
+ v = pcicore_read32(pc, mdio_control);
+ if (v & 0x100 /* Trans complete */)
+ break;
+ msleep(1);
+ }
+}
+
+static u16 ssb_pcie_mdio_read(struct ssb_pcicore *pc, u8 device, u8 address)
{
const u16 mdio_control = 0x128;
const u16 mdio_data = 0x12C;
+ int max_retries = 10;
+ u16 ret = 0;
u32 v;
int i;
@@ -469,46 +599,68 @@ static void ssb_pcie_mdio_write(struct ssb_pcicore *pc, u8 device,
v |= 0x2; /* MDIO Clock Divisor */
pcicore_write32(pc, mdio_control, v);
+ if (pc->dev->id.revision >= 10) {
+ max_retries = 200;
+ ssb_pcie_mdio_set_phy(pc, device);
+ }
+
v = (1 << 30); /* Start of Transaction */
- v |= (1 << 28); /* Write Transaction */
+ v |= (1 << 29); /* Read Transaction */
v |= (1 << 17); /* Turnaround */
- v |= (u32)device << 22;
+ if (pc->dev->id.revision < 10)
+ v |= (u32)device << 22;
v |= (u32)address << 18;
- v |= data;
pcicore_write32(pc, mdio_data, v);
/* Wait for the device to complete the transaction */
udelay(10);
- for (i = 0; i < 10; i++) {
+ for (i = 0; i < max_retries; i++) {
v = pcicore_read32(pc, mdio_control);
- if (v & 0x100 /* Trans complete */)
+ if (v & 0x100 /* Trans complete */) {
+ udelay(10);
+ ret = pcicore_read32(pc, mdio_data);
break;
+ }
msleep(1);
}
pcicore_write32(pc, mdio_control, 0);
+ return ret;
}
-static void ssb_broadcast_value(struct ssb_device *dev,
- u32 address, u32 data)
+static void ssb_pcie_mdio_write(struct ssb_pcicore *pc, u8 device,
+ u8 address, u16 data)
{
- /* This is used for both, PCI and ChipCommon core, so be careful. */
- BUILD_BUG_ON(SSB_PCICORE_BCAST_ADDR != SSB_CHIPCO_BCAST_ADDR);
- BUILD_BUG_ON(SSB_PCICORE_BCAST_DATA != SSB_CHIPCO_BCAST_DATA);
-
- ssb_write32(dev, SSB_PCICORE_BCAST_ADDR, address);
- ssb_read32(dev, SSB_PCICORE_BCAST_ADDR); /* flush */
- ssb_write32(dev, SSB_PCICORE_BCAST_DATA, data);
- ssb_read32(dev, SSB_PCICORE_BCAST_DATA); /* flush */
-}
+ const u16 mdio_control = 0x128;
+ const u16 mdio_data = 0x12C;
+ int max_retries = 10;
+ u32 v;
+ int i;
-static void ssb_commit_settings(struct ssb_bus *bus)
-{
- struct ssb_device *dev;
+ v = 0x80; /* Enable Preamble Sequence */
+ v |= 0x2; /* MDIO Clock Divisor */
+ pcicore_write32(pc, mdio_control, v);
- dev = bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev;
- if (WARN_ON(!dev))
- return;
- /* This forces an update of the cached registers. */
- ssb_broadcast_value(dev, 0xFD8, 0);
+ if (pc->dev->id.revision >= 10) {
+ max_retries = 200;
+ ssb_pcie_mdio_set_phy(pc, device);
+ }
+
+ v = (1 << 30); /* Start of Transaction */
+ v |= (1 << 28); /* Write Transaction */
+ v |= (1 << 17); /* Turnaround */
+ if (pc->dev->id.revision < 10)
+ v |= (u32)device << 22;
+ v |= (u32)address << 18;
+ v |= data;
+ pcicore_write32(pc, mdio_data, v);
+ /* Wait for the device to complete the transaction */
+ udelay(10);
+ for (i = 0; i < max_retries; i++) {
+ v = pcicore_read32(pc, mdio_control);
+ if (v & 0x100 /* Trans complete */)
+ break;
+ msleep(1);
+ }
+ pcicore_write32(pc, mdio_control, 0);
}
int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
@@ -519,20 +671,27 @@ int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
int err = 0;
u32 tmp;
- might_sleep();
+ if (dev->bus->bustype != SSB_BUSTYPE_PCI) {
+ /* This SSB device is not on a PCI host-bus. So the IRQs are
+ * not routed through the PCI core.
+ * So we must not enable routing through the PCI core. */
+ goto out;
+ }
if (!pdev)
goto out;
bus = pdev->bus;
+ might_sleep_if(pdev->id.coreid != SSB_DEV_PCI);
+
/* Enable interrupts for this device. */
- if (bus->host_pci &&
- ((pdev->id.revision >= 6) || (pdev->id.coreid == SSB_DEV_PCIE))) {
+ if ((pdev->id.revision >= 6) || (pdev->id.coreid == SSB_DEV_PCIE)) {
u32 coremask;
/* Calculate the "coremask" for the device. */
coremask = (1 << dev->core_index);
+ SSB_WARN_ON(bus->bustype != SSB_BUSTYPE_PCI);
err = pci_read_config_dword(bus->host_pci, SSB_PCI_IRQMASK, &tmp);
if (err)
goto out;
@@ -544,15 +703,9 @@ int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
u32 intvec;
intvec = ssb_read32(pdev, SSB_INTVEC);
- if ((bus->chip_id & 0xFF00) == 0x4400) {
- /* Workaround: On the BCM44XX the BPFLAG routing
- * bit is wrong. Use a hardcoded constant. */
- intvec |= 0x00000002;
- } else {
- tmp = ssb_read32(dev, SSB_TPSFLAG);
- tmp &= SSB_TPSFLAG_BPFLAG;
- intvec |= tmp;
- }
+ tmp = ssb_read32(dev, SSB_TPSFLAG);
+ tmp &= SSB_TPSFLAG_BPFLAG;
+ intvec |= (1 << tmp);
ssb_write32(pdev, SSB_INTVEC, intvec);
}
@@ -560,48 +713,10 @@ int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
if (pc->setup_done)
goto out;
if (pdev->id.coreid == SSB_DEV_PCI) {
- tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2);
- tmp |= SSB_PCICORE_SBTOPCI_PREF;
- tmp |= SSB_PCICORE_SBTOPCI_BURST;
- pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp);
-
- if (pdev->id.revision < 5) {
- tmp = ssb_read32(pdev, SSB_IMCFGLO);
- tmp &= ~SSB_IMCFGLO_SERTO;
- tmp |= 2;
- tmp &= ~SSB_IMCFGLO_REQTO;
- tmp |= 3 << SSB_IMCFGLO_REQTO_SHIFT;
- ssb_write32(pdev, SSB_IMCFGLO, tmp);
- ssb_commit_settings(bus);
- } else if (pdev->id.revision >= 11) {
- tmp = pcicore_read32(pc, SSB_PCICORE_SBTOPCI2);
- tmp |= SSB_PCICORE_SBTOPCI_MRM;
- pcicore_write32(pc, SSB_PCICORE_SBTOPCI2, tmp);
- }
+ ssb_pcicore_pci_setup_workarounds(pc);
} else {
WARN_ON(pdev->id.coreid != SSB_DEV_PCIE);
- //TODO: Better make defines for all these magic PCIE values.
- if ((pdev->id.revision == 0) || (pdev->id.revision == 1)) {
- /* TLP Workaround register. */
- tmp = ssb_pcie_read(pc, 0x4);
- tmp |= 0x8;
- ssb_pcie_write(pc, 0x4, tmp);
- }
- if (pdev->id.revision == 0) {
- const u8 serdes_rx_device = 0x1F;
-
- ssb_pcie_mdio_write(pc, serdes_rx_device,
- 2 /* Timer */, 0x8128);
- ssb_pcie_mdio_write(pc, serdes_rx_device,
- 6 /* CDR */, 0x0100);
- ssb_pcie_mdio_write(pc, serdes_rx_device,
- 7 /* CDR BW */, 0x1466);
- } else if (pdev->id.revision == 1) {
- /* DLLP Link Control register. */
- tmp = ssb_pcie_read(pc, 0x100);
- tmp |= 0x40;
- ssb_pcie_write(pc, 0x100, tmp);
- }
+ ssb_pcicore_pcie_setup_workarounds(pc);
}
pc->setup_done = 1;
out:
diff --git a/drivers/ssb/embedded.c b/drivers/ssb/embedded.c
index d3ade821555..55e10111503 100644
--- a/drivers/ssb/embedded.c
+++ b/drivers/ssb/embedded.c
@@ -3,13 +3,19 @@
* Embedded systems support code
*
* Copyright 2005-2008, Broadcom Corporation
- * Copyright 2006-2008, Michael Buesch <mb@bu3sch.de>
+ * Copyright 2006-2008, Michael Buesch <m@bues.ch>
+ * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
+#include <linux/export.h>
+#include <linux/platform_device.h>
#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"
@@ -26,6 +32,39 @@ int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks)
}
return -ENODEV;
}
+EXPORT_SYMBOL(ssb_watchdog_timer_set);
+
+int ssb_watchdog_register(struct ssb_bus *bus)
+{
+ struct bcm47xx_wdt wdt = {};
+ struct platform_device *pdev;
+
+ if (ssb_chipco_available(&bus->chipco)) {
+ wdt.driver_data = &bus->chipco;
+ wdt.timer_set = ssb_chipco_watchdog_timer_set_wdt;
+ wdt.timer_set_ms = ssb_chipco_watchdog_timer_set_ms;
+ wdt.max_timer_ms = bus->chipco.max_timer_ms;
+ } else if (ssb_extif_available(&bus->extif)) {
+ wdt.driver_data = &bus->extif;
+ wdt.timer_set = ssb_extif_watchdog_timer_set_wdt;
+ wdt.timer_set_ms = ssb_extif_watchdog_timer_set_ms;
+ wdt.max_timer_ms = SSB_EXTIF_WATCHDOG_MAX_TIMER_MS;
+ } else {
+ return -ENODEV;
+ }
+
+ pdev = platform_device_register_data(NULL, "bcm47xx-wdt",
+ bus->busnumber, &wdt,
+ sizeof(wdt));
+ if (IS_ERR(pdev)) {
+ ssb_dbg("can not register watchdog device, err: %li\n",
+ PTR_ERR(pdev));
+ return PTR_ERR(pdev);
+ }
+
+ bus->watchdog = pdev;
+ return 0;
+}
u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask)
{
@@ -130,3 +169,90 @@ 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 bedb2b4ee9d..2fead382084 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -3,7 +3,7 @@
* Subsystem core
*
* Copyright 2005, Broadcom Corporation
- * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
+ * Copyright 2006, 2007, Michael Buesch <m@bues.ch>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
@@ -12,13 +12,16 @@
#include <linux/delay.h>
#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/platform_device.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>
+#include <linux/mmc/sdio_func.h>
+#include <linux/slab.h>
-#include <pcmcia/cs_types.h>
-#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>
@@ -68,6 +71,63 @@ 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 */
+
+#ifdef CONFIG_SSB_SDIOHOST
+struct ssb_bus *ssb_sdio_func_to_bus(struct sdio_func *func)
+{
+ struct ssb_bus *bus;
+
+ ssb_buses_lock();
+ list_for_each_entry(bus, &buses, list) {
+ if (bus->bustype == SSB_BUSTYPE_SDIO &&
+ bus->host_sdio == func)
+ goto found;
+ }
+ bus = NULL;
+found:
+ ssb_buses_unlock();
+
+ return bus;
+}
+#endif /* CONFIG_SSB_SDIOHOST */
+
+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 +141,12 @@ 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 +158,10 @@ 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) {
@@ -151,105 +171,120 @@ 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_devices_freeze(struct ssb_bus *bus)
+int ssb_bus_suspend(struct ssb_bus *bus)
{
- struct ssb_device *dev;
- struct ssb_driver *drv;
- int err = 0;
- int i;
- pm_message_t state = PMSG_FREEZE;
+ 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
+/** ssb_devices_freeze - Freeze all devices on the bus.
+ *
+ * After freezing no device driver will be handling a device
+ * on this bus anymore. ssb_devices_thaw() must be called after
+ * a successful freeze to reactivate the devices.
+ *
+ * @bus: The bus.
+ * @ctx: Context structure. Pass this to ssb_devices_thaw().
+ */
+int ssb_devices_freeze(struct ssb_bus *bus, struct ssb_freeze_context *ctx)
+{
+ struct ssb_device *sdev;
+ struct ssb_driver *sdrv;
+ unsigned int i;
+
+ memset(ctx, 0, sizeof(*ctx));
+ ctx->bus = bus;
+ SSB_WARN_ON(bus->nr_devices > ARRAY_SIZE(ctx->device_frozen));
- /* First check that we are capable to freeze all devices. */
for (i = 0; i < bus->nr_devices; i++) {
- dev = &(bus->devices[i]);
- if (!dev->dev ||
- !dev->dev->driver ||
- !device_is_registered(dev->dev))
- continue;
- drv = drv_to_ssb_drv(dev->dev->driver);
- if (!drv)
+ sdev = ssb_device_get(&bus->devices[i]);
+
+ if (!sdev->dev || !sdev->dev->driver ||
+ !device_is_registered(sdev->dev)) {
+ ssb_device_put(sdev);
continue;
- if (!drv->suspend) {
- /* Nope, can't suspend this one. */
- return -EOPNOTSUPP;
}
- }
- /* Now suspend all devices */
- for (i = 0; i < bus->nr_devices; i++) {
- dev = &(bus->devices[i]);
- if (!dev->dev ||
- !dev->dev->driver ||
- !device_is_registered(dev->dev))
- continue;
- drv = drv_to_ssb_drv(dev->dev->driver);
- if (!drv)
+ sdrv = drv_to_ssb_drv(sdev->dev->driver);
+ if (SSB_WARN_ON(!sdrv->remove))
continue;
- err = drv->suspend(dev, state);
- if (err) {
- ssb_printk(KERN_ERR PFX "Failed to freeze device %s\n",
- dev->dev->bus_id);
- goto err_unwind;
- }
+ sdrv->remove(sdev);
+ ctx->device_frozen[i] = 1;
}
return 0;
-err_unwind:
- for (i--; i >= 0; i--) {
- dev = &(bus->devices[i]);
- if (!dev->dev ||
- !dev->dev->driver ||
- !device_is_registered(dev->dev))
- continue;
- drv = drv_to_ssb_drv(dev->dev->driver);
- if (!drv)
- continue;
- if (drv->resume)
- drv->resume(dev);
- }
- return err;
}
-int ssb_devices_thaw(struct ssb_bus *bus)
+/** ssb_devices_thaw - Unfreeze all devices on the bus.
+ *
+ * This will re-attach the device drivers and re-init the devices.
+ *
+ * @ctx: The context structure from ssb_devices_freeze()
+ */
+int ssb_devices_thaw(struct ssb_freeze_context *ctx)
{
- struct ssb_device *dev;
- struct ssb_driver *drv;
- int err;
- int i;
+ struct ssb_bus *bus = ctx->bus;
+ struct ssb_device *sdev;
+ struct ssb_driver *sdrv;
+ unsigned int i;
+ int err, result = 0;
for (i = 0; i < bus->nr_devices; i++) {
- dev = &(bus->devices[i]);
- if (!dev->dev ||
- !dev->dev->driver ||
- !device_is_registered(dev->dev))
+ if (!ctx->device_frozen[i])
continue;
- drv = drv_to_ssb_drv(dev->dev->driver);
- if (!drv)
+ sdev = &bus->devices[i];
+
+ if (SSB_WARN_ON(!sdev->dev || !sdev->dev->driver))
continue;
- if (SSB_WARN_ON(!drv->resume))
+ sdrv = drv_to_ssb_drv(sdev->dev->driver);
+ if (SSB_WARN_ON(!sdrv || !sdrv->probe))
continue;
- err = drv->resume(dev);
+
+ err = sdrv->probe(sdev, &sdev->id);
if (err) {
- ssb_printk(KERN_ERR PFX "Failed to thaw device %s\n",
- dev->dev->bus_id);
+ ssb_err("Failed to thaw device %s\n",
+ dev_name(sdev->dev));
+ result = err;
}
+ ssb_device_put(sdev);
}
- return 0;
+ return result;
}
-#endif /* CONFIG_SSB_PCIHOST */
+#endif /* CONFIG_SSB_SPROM */
static void ssb_device_shutdown(struct device *dev)
{
@@ -334,6 +369,38 @@ static int ssb_device_uevent(struct device *dev, struct kobj_uevent_env *env)
ssb_dev->id.revision);
}
+#define ssb_config_attr(attrib, field, format_string) \
+static ssize_t \
+attrib##_show(struct device *dev, struct device_attribute *attr, char *buf) \
+{ \
+ return sprintf(buf, format_string, dev_to_ssb_dev(dev)->field); \
+} \
+static DEVICE_ATTR_RO(attrib);
+
+ssb_config_attr(core_num, core_index, "%u\n")
+ssb_config_attr(coreid, id.coreid, "0x%04x\n")
+ssb_config_attr(vendor, id.vendor, "0x%04x\n")
+ssb_config_attr(revision, id.revision, "%u\n")
+ssb_config_attr(irq, irq, "%u\n")
+static ssize_t
+name_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%s\n",
+ ssb_core_name(dev_to_ssb_dev(dev)->id.coreid));
+}
+static DEVICE_ATTR_RO(name);
+
+static struct attribute *ssb_device_attrs[] = {
+ &dev_attr_name.attr,
+ &dev_attr_core_num.attr,
+ &dev_attr_coreid.attr,
+ &dev_attr_vendor.attr,
+ &dev_attr_revision.attr,
+ &dev_attr_irq.attr,
+ NULL,
+};
+ATTRIBUTE_GROUPS(ssb_device);
+
static struct bus_type ssb_bustype = {
.name = "ssb",
.match = ssb_bus_match,
@@ -343,6 +410,7 @@ static struct bus_type ssb_bustype = {
.suspend = ssb_device_suspend,
.resume = ssb_device_resume,
.uevent = ssb_device_uevent,
+ .dev_groups = ssb_device_groups,
};
static void ssb_buses_lock(void)
@@ -369,16 +437,29 @@ static void ssb_devices_unregister(struct ssb_bus *bus)
if (sdev->dev)
device_unregister(sdev->dev);
}
+
+#ifdef CONFIG_SSB_EMBEDDED
+ if (bus->bustype == SSB_BUSTYPE_SSB)
+ platform_device_unregister(bus->watchdog);
+#endif
}
void ssb_bus_unregister(struct ssb_bus *bus)
{
+ int err;
+
+ err = ssb_gpio_unregister(bus);
+ if (err == -EBUSY)
+ ssb_dbg("Some GPIOs are still in use\n");
+ else if (err)
+ ssb_dbg("Can not unregister GPIO driver: %i\n", err);
+
ssb_buses_lock();
ssb_devices_unregister(bus);
list_del(&bus->list);
ssb_buses_unlock();
- /* ssb_pcmcia_exit(bus); */
+ ssb_pcmcia_exit(bus);
ssb_pci_exit(bus);
ssb_iounmap(bus);
}
@@ -418,8 +499,7 @@ static int ssb_devices_register(struct ssb_bus *bus)
devwrap = kzalloc(sizeof(*devwrap), GFP_KERNEL);
if (!devwrap) {
- ssb_printk(KERN_ERR PFX
- "Could not allocate device\n");
+ ssb_err("Could not allocate device\n");
err = -ENOMEM;
goto error;
}
@@ -428,32 +508,37 @@ static int ssb_devices_register(struct ssb_bus *bus)
dev->release = ssb_release_dev;
dev->bus = &ssb_bustype;
- snprintf(dev->bus_id, sizeof(dev->bus_id),
- "ssb%u:%d", bus->busnumber, dev_idx);
+ dev_set_name(dev, "ssb%u:%d", bus->busnumber, dev_idx);
switch (bus->bustype) {
case SSB_BUSTYPE_PCI:
#ifdef CONFIG_SSB_PCIHOST
sdev->irq = bus->host_pci->irq;
dev->parent = &bus->host_pci->dev;
+ sdev->dma_dev = dev->parent;
#endif
break;
case SSB_BUSTYPE_PCMCIA:
#ifdef CONFIG_SSB_PCMCIAHOST
- sdev->irq = bus->host_pcmcia->irq.AssignedIRQ;
+ sdev->irq = bus->host_pcmcia->irq;
dev->parent = &bus->host_pcmcia->dev;
#endif
break;
+ case SSB_BUSTYPE_SDIO:
+#ifdef CONFIG_SSB_SDIOHOST
+ dev->parent = &bus->host_sdio->dev;
+#endif
+ break;
case SSB_BUSTYPE_SSB:
+ dev->dma_mask = &dev->coherent_dma_mask;
+ sdev->dma_dev = dev;
break;
}
sdev->dev = dev;
err = device_register(dev);
if (err) {
- ssb_printk(KERN_ERR PFX
- "Could not register %s\n",
- dev->bus_id);
+ ssb_err("Could not register %s\n", dev_name(dev));
/* Set dev to NULL to not unregister
* dev on error unwinding. */
sdev->dev = NULL;
@@ -463,6 +548,22 @@ static int ssb_devices_register(struct ssb_bus *bus)
dev_idx++;
}
+#ifdef CONFIG_SSB_DRIVER_MIPS
+ if (bus->mipscore.pflash.present) {
+ err = platform_device_register(&ssb_pflash_dev);
+ if (err)
+ pr_err("Error registering parallel flash\n");
+ }
+#endif
+
+#ifdef CONFIG_SSB_SFLASH
+ if (bus->mipscore.sflash.present) {
+ err = platform_device_register(&ssb_sflash_dev);
+ if (err)
+ pr_err("Error registering serial flash\n");
+ }
+#endif
+
return 0;
error:
/* Unwind the already registered devices. */
@@ -490,6 +591,15 @@ static int ssb_attach_queued_buses(void)
if (err)
goto error;
ssb_pcicore_init(&bus->pcicore);
+ if (bus->bustype == SSB_BUSTYPE_SSB)
+ ssb_watchdog_register(bus);
+
+ err = ssb_gpio_init(bus);
+ if (err == -ENOTSUPP)
+ ssb_dbg("GPIO driver not activated\n");
+ else if (err)
+ ssb_dbg("Error registering GPIO driver: %i\n", err);
+
ssb_bus_may_powerdown(bus);
err = ssb_devices_register(bus);
@@ -505,6 +615,14 @@ 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 +639,63 @@ 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 +712,67 @@ 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,
@@ -578,12 +808,18 @@ static int ssb_bus_register(struct ssb_bus *bus,
err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1);
if (err)
goto out;
+
+ /* Init SDIO-host device (if any), before the scan */
+ err = ssb_sdio_init(bus);
+ if (err)
+ goto err_disable_xtal;
+
ssb_buses_lock();
bus->busnumber = next_busnumber;
/* Scan for devices (cores) */
err = ssb_bus_scan(bus, baseaddr);
if (err)
- goto err_disable_xtal;
+ goto err_sdio_exit;
/* Init PCI-host device (if any) */
err = ssb_pci_init(bus);
@@ -599,6 +835,7 @@ static int ssb_bus_register(struct ssb_bus *bus,
if (err)
goto err_pcmcia_exit;
ssb_chipcommon_init(&bus->chipco);
+ ssb_extif_init(&bus->extif);
ssb_mipscore_init(&bus->mipscore);
err = ssb_fetch_invariants(bus, get_invariants);
if (err) {
@@ -625,11 +862,13 @@ 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:
ssb_iounmap(bus);
+err_sdio_exit:
+ ssb_sdio_exit(bus);
err_disable_xtal:
ssb_buses_unlock();
ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0);
@@ -637,8 +876,7 @@ err_disable_xtal:
}
#ifdef CONFIG_SSB_PCIHOST
-int ssb_bus_pcibus_register(struct ssb_bus *bus,
- struct pci_dev *host_pci)
+int ssb_bus_pcibus_register(struct ssb_bus *bus, struct pci_dev *host_pci)
{
int err;
@@ -648,8 +886,11 @@ int ssb_bus_pcibus_register(struct ssb_bus *bus,
err = ssb_bus_register(bus, ssb_pci_get_invariants, 0);
if (!err) {
- ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found on "
- "PCI device %s\n", host_pci->dev.bus_id);
+ ssb_info("Sonics Silicon Backplane found on PCI device %s\n",
+ dev_name(&host_pci->dev));
+ } else {
+ ssb_err("Failed to register PCI version of SSB with error %d\n",
+ err);
}
return err;
@@ -670,8 +911,8 @@ int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
err = ssb_bus_register(bus, ssb_pcmcia_get_invariants, baseaddr);
if (!err) {
- ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found on "
- "PCMCIA device %s\n", pcmcia_dev->devname);
+ ssb_info("Sonics Silicon Backplane found on PCMCIA device %s\n",
+ pcmcia_dev->devname);
}
return err;
@@ -679,8 +920,29 @@ int ssb_bus_pcmciabus_register(struct ssb_bus *bus,
EXPORT_SYMBOL(ssb_bus_pcmciabus_register);
#endif /* CONFIG_SSB_PCMCIAHOST */
-int ssb_bus_ssbbus_register(struct ssb_bus *bus,
- unsigned long baseaddr,
+#ifdef CONFIG_SSB_SDIOHOST
+int ssb_bus_sdiobus_register(struct ssb_bus *bus, struct sdio_func *func,
+ unsigned int quirks)
+{
+ int err;
+
+ bus->bustype = SSB_BUSTYPE_SDIO;
+ bus->host_sdio = func;
+ bus->ops = &ssb_sdio_ops;
+ bus->quirks = quirks;
+
+ err = ssb_bus_register(bus, ssb_sdio_get_invariants, ~0);
+ if (!err) {
+ ssb_info("Sonics Silicon Backplane found on SDIO device %s\n",
+ sdio_func_id(func));
+ }
+
+ return err;
+}
+EXPORT_SYMBOL(ssb_bus_sdiobus_register);
+#endif /* CONFIG_SSB_PCMCIAHOST */
+
+int ssb_bus_ssbbus_register(struct ssb_bus *bus, unsigned long baseaddr,
ssb_invariants_func_t get_invariants)
{
int err;
@@ -690,8 +952,8 @@ int ssb_bus_ssbbus_register(struct ssb_bus *bus,
err = ssb_bus_register(bus, get_invariants, baseaddr);
if (!err) {
- ssb_printk(KERN_INFO PFX "Sonics Silicon Backplane found at "
- "address 0x%08lX\n", baseaddr);
+ ssb_info("Sonics Silicon Backplane found at address 0x%08lX\n",
+ baseaddr);
}
return err;
@@ -762,8 +1024,8 @@ u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m)
switch (plltype) {
case SSB_PLLTYPE_6: /* 100/200 or 120/240 only */
if (m & SSB_CHIPCO_CLK_T6_MMASK)
- return SSB_CHIPCO_CLK_T6_M0;
- return SSB_CHIPCO_CLK_T6_M1;
+ return SSB_CHIPCO_CLK_T6_M1;
+ return SSB_CHIPCO_CLK_T6_M0;
case SSB_PLLTYPE_1: /* 48Mhz base, 3 dividers */
case SSB_PLLTYPE_3: /* 25Mhz, 2 dividers */
case SSB_PLLTYPE_4: /* 48Mhz, 4 dividers */
@@ -853,6 +1115,9 @@ u32 ssb_clockspeed(struct ssb_bus *bus)
u32 plltype;
u32 clkctl_n, clkctl_m;
+ if (bus->chipco.capabilities & SSB_CHIPCO_CAP_PMU)
+ return ssb_pmu_get_controlclock(&bus->chipco);
+
if (ssb_extif_available(&bus->extif))
ssb_extif_get_clockcontrol(&bus->extif, &plltype,
&clkctl_n, &clkctl_m);
@@ -878,23 +1143,21 @@ static u32 ssb_tmslow_reject_bitmask(struct ssb_device *dev)
{
u32 rev = ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_SSBREV;
- /* The REJECT bit changed position in TMSLOW between
- * Backplane revisions. */
+ /* The REJECT bit seems to be different for Backplane rev 2.3 */
switch (rev) {
case SSB_IDLOW_SSBREV_22:
- return SSB_TMSLOW_REJECT_22;
+ case SSB_IDLOW_SSBREV_24:
+ case SSB_IDLOW_SSBREV_26:
+ return SSB_TMSLOW_REJECT;
case SSB_IDLOW_SSBREV_23:
return SSB_TMSLOW_REJECT_23;
- case SSB_IDLOW_SSBREV_24: /* TODO - find the proper REJECT bits */
- case SSB_IDLOW_SSBREV_25: /* same here */
- case SSB_IDLOW_SSBREV_26: /* same here */
+ case SSB_IDLOW_SSBREV_25: /* TODO - find the proper REJECT bit */
case SSB_IDLOW_SSBREV_27: /* same here */
- return SSB_TMSLOW_REJECT_23; /* this is a guess */
+ return SSB_TMSLOW_REJECT; /* this is a guess */
default:
- printk(KERN_INFO "ssb: Backplane Revision 0x%.8X\n", rev);
- WARN_ON(1);
+ WARN(1, KERN_INFO "ssb: Backplane Revision 0x%.8X\n", rev);
}
- return (SSB_TMSLOW_REJECT_22 | SSB_TMSLOW_REJECT_23);
+ return (SSB_TMSLOW_REJECT | SSB_TMSLOW_REJECT_23);
}
int ssb_device_is_enabled(struct ssb_device *dev)
@@ -953,10 +1216,10 @@ void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags)
}
EXPORT_SYMBOL(ssb_device_enable);
-/* Wait for a bit in a register to get set or unset.
+/* Wait for bitmask in a register to get set or cleared.
* timeout is in units of ten-microseconds */
-static int ssb_wait_bit(struct ssb_device *dev, u16 reg, u32 bitmask,
- int timeout, int set)
+static int ssb_wait_bits(struct ssb_device *dev, u16 reg, u32 bitmask,
+ int timeout, int set)
{
int i;
u32 val;
@@ -964,7 +1227,7 @@ static int ssb_wait_bit(struct ssb_device *dev, u16 reg, u32 bitmask,
for (i = 0; i < timeout; i++) {
val = ssb_read32(dev, reg);
if (set) {
- if (val & bitmask)
+ if ((val & bitmask) == bitmask)
return 0;
} else {
if (!(val & bitmask))
@@ -981,20 +1244,38 @@ static int ssb_wait_bit(struct ssb_device *dev, u16 reg, u32 bitmask,
void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags)
{
- u32 reject;
+ u32 reject, val;
if (ssb_read32(dev, SSB_TMSLOW) & SSB_TMSLOW_RESET)
return;
reject = ssb_tmslow_reject_bitmask(dev);
- ssb_write32(dev, SSB_TMSLOW, reject | SSB_TMSLOW_CLOCK);
- ssb_wait_bit(dev, SSB_TMSLOW, reject, 1000, 1);
- ssb_wait_bit(dev, SSB_TMSHIGH, SSB_TMSHIGH_BUSY, 1000, 0);
- ssb_write32(dev, SSB_TMSLOW,
- SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK |
- reject | SSB_TMSLOW_RESET |
- core_specific_flags);
- ssb_flush_tmslow(dev);
+
+ if (ssb_read32(dev, SSB_TMSLOW) & SSB_TMSLOW_CLOCK) {
+ ssb_write32(dev, SSB_TMSLOW, reject | SSB_TMSLOW_CLOCK);
+ ssb_wait_bits(dev, SSB_TMSLOW, reject, 1000, 1);
+ ssb_wait_bits(dev, SSB_TMSHIGH, SSB_TMSHIGH_BUSY, 1000, 0);
+
+ if (ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_INITIATOR) {
+ val = ssb_read32(dev, SSB_IMSTATE);
+ val |= SSB_IMSTATE_REJECT;
+ ssb_write32(dev, SSB_IMSTATE, val);
+ ssb_wait_bits(dev, SSB_IMSTATE, SSB_IMSTATE_BUSY, 1000,
+ 0);
+ }
+
+ ssb_write32(dev, SSB_TMSLOW,
+ SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK |
+ reject | SSB_TMSLOW_RESET |
+ core_specific_flags);
+ ssb_flush_tmslow(dev);
+
+ if (ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_INITIATOR) {
+ val = ssb_read32(dev, SSB_IMSTATE);
+ val &= ~SSB_IMSTATE_REJECT;
+ ssb_write32(dev, SSB_IMSTATE, val);
+ }
+ }
ssb_write32(dev, SSB_TMSLOW,
reject | SSB_TMSLOW_RESET |
@@ -1003,35 +1284,41 @@ void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags)
}
EXPORT_SYMBOL(ssb_device_disable);
+/* Some chipsets need routing known for PCIe and 64-bit DMA */
+static bool ssb_dma_translation_special_bit(struct ssb_device *dev)
+{
+ u16 chip_id = dev->bus->chip_id;
+
+ if (dev->id.coreid == SSB_DEV_80211) {
+ return (chip_id == 0x4322 || chip_id == 43221 ||
+ chip_id == 43231 || chip_id == 43222);
+ }
+
+ return 0;
+}
+
u32 ssb_dma_translation(struct ssb_device *dev)
{
switch (dev->bus->bustype) {
case SSB_BUSTYPE_SSB:
return 0;
case SSB_BUSTYPE_PCI:
- case SSB_BUSTYPE_PCMCIA:
- return SSB_PCI_DMA;
+ if (pci_is_pcie(dev->bus->host_pci) &&
+ ssb_read32(dev, SSB_TMSHIGH) & SSB_TMSHIGH_DMA64) {
+ return SSB_PCIE_DMA_H32;
+ } else {
+ if (ssb_dma_translation_special_bit(dev))
+ return SSB_PCIE_DMA_H32;
+ else
+ return SSB_PCI_DMA;
+ }
+ default:
+ __ssb_dma_not_implemented(dev);
}
return 0;
}
EXPORT_SYMBOL(ssb_dma_translation);
-int ssb_dma_set_mask(struct ssb_device *ssb_dev, u64 mask)
-{
- struct device *dev = ssb_dev->dev;
-
-#ifdef CONFIG_SSB_PCIHOST
- if (ssb_dev->bus->bustype == SSB_BUSTYPE_PCI &&
- !dma_supported(dev, mask))
- return -EIO;
-#endif
- dev->coherent_dma_mask = mask;
- dev->dma_mask = &dev->coherent_dma_mask;
-
- return 0;
-}
-EXPORT_SYMBOL(ssb_dma_set_mask);
-
int ssb_bus_may_powerdown(struct ssb_bus *bus)
{
struct ssb_chipcommon *cc;
@@ -1044,6 +1331,12 @@ int ssb_bus_may_powerdown(struct ssb_bus *bus)
goto out;
cc = &bus->chipco;
+
+ if (!cc->dev)
+ goto out;
+ if (cc->dev->id.revision < 5)
+ goto out;
+
ssb_chipco_set_clockmode(cc, SSB_CLKMODE_SLOW);
err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 0);
if (err)
@@ -1054,34 +1347,65 @@ out:
#endif
return err;
error:
- ssb_printk(KERN_ERR PFX "Bus powerdown failed\n");
+ ssb_err("Bus powerdown failed\n");
goto out;
}
EXPORT_SYMBOL(ssb_bus_may_powerdown);
int ssb_bus_powerup(struct ssb_bus *bus, bool dynamic_pctl)
{
- struct ssb_chipcommon *cc;
int err;
enum ssb_clkmode mode;
err = ssb_pci_xtal(bus, SSB_GPIO_XTAL | SSB_GPIO_PLL, 1);
if (err)
goto error;
- cc = &bus->chipco;
- mode = dynamic_pctl ? SSB_CLKMODE_DYNAMIC : SSB_CLKMODE_FAST;
- ssb_chipco_set_clockmode(cc, mode);
#ifdef CONFIG_SSB_DEBUG
bus->powered_up = 1;
#endif
+
+ mode = dynamic_pctl ? SSB_CLKMODE_DYNAMIC : SSB_CLKMODE_FAST;
+ ssb_chipco_set_clockmode(&bus->chipco, mode);
+
return 0;
error:
- ssb_printk(KERN_ERR PFX "Bus powerup failed\n");
+ ssb_err("Bus powerup failed\n");
return err;
}
EXPORT_SYMBOL(ssb_bus_powerup);
+static void ssb_broadcast_value(struct ssb_device *dev,
+ u32 address, u32 data)
+{
+#ifdef CONFIG_SSB_DRIVER_PCICORE
+ /* This is used for both, PCI and ChipCommon core, so be careful. */
+ BUILD_BUG_ON(SSB_PCICORE_BCAST_ADDR != SSB_CHIPCO_BCAST_ADDR);
+ BUILD_BUG_ON(SSB_PCICORE_BCAST_DATA != SSB_CHIPCO_BCAST_DATA);
+#endif
+
+ ssb_write32(dev, SSB_CHIPCO_BCAST_ADDR, address);
+ ssb_read32(dev, SSB_CHIPCO_BCAST_ADDR); /* flush */
+ ssb_write32(dev, SSB_CHIPCO_BCAST_DATA, data);
+ ssb_read32(dev, SSB_CHIPCO_BCAST_DATA); /* flush */
+}
+
+void ssb_commit_settings(struct ssb_bus *bus)
+{
+ struct ssb_device *dev;
+
+#ifdef CONFIG_SSB_DRIVER_PCICORE
+ dev = bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev;
+#else
+ dev = bus->chipco.dev;
+#endif
+ if (WARN_ON(!dev))
+ return;
+ /* This forces an update of the cached registers. */
+ ssb_broadcast_value(dev, 0xFD8, 0);
+}
+EXPORT_SYMBOL(ssb_commit_settings);
+
u32 ssb_admatch_base(u32 adm)
{
u32 base = 0;
@@ -1147,17 +1471,24 @@ static int __init ssb_modinit(void)
ssb_buses_lock();
err = ssb_attach_queued_buses();
ssb_buses_unlock();
- if (err)
+ if (err) {
bus_unregister(&ssb_bustype);
+ goto out;
+ }
err = b43_pci_ssb_bridge_init();
if (err) {
- ssb_printk(KERN_ERR "Broadcom 43xx PCI-SSB-bridge "
- "initialization failed");
+ ssb_err("Broadcom 43xx PCI-SSB-bridge initialization failed\n");
/* don't fail SSB init because of this */
err = 0;
}
-
+ err = ssb_gige_init();
+ if (err) {
+ ssb_err("SSB Broadcom Gigabit Ethernet driver initialization failed\n");
+ /* don't fail SSB init because of this */
+ err = 0;
+ }
+out:
return err;
}
/* ssb must be initialized after PCI but before the ssb drivers.
@@ -1167,6 +1498,7 @@ 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 b434df75047..a8dc95ebf2d 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -1,7 +1,7 @@
/*
* Sonics Silicon Backplane PCI-Hostbus related functions.
*
- * Copyright (C) 2005-2006 Michael Buesch <mb@bu3sch.de>
+ * Copyright (C) 2005-2006 Michael Buesch <m@bues.ch>
* 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>
@@ -17,6 +17,7 @@
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_regs.h>
+#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/delay.h>
@@ -55,7 +56,7 @@ int ssb_pci_switch_coreidx(struct ssb_bus *bus, u8 coreidx)
}
return 0;
error:
- ssb_printk(KERN_ERR PFX "Failed to switch to core %u\n", coreidx);
+ ssb_err("Failed to switch to core %u\n", coreidx);
return -ENODEV;
}
@@ -66,10 +67,9 @@ int ssb_pci_switch_core(struct ssb_bus *bus,
unsigned long flags;
#if SSB_VERBOSE_PCICORESWITCH_DEBUG
- ssb_printk(KERN_INFO PFX
- "Switching to %s core, index %d\n",
- ssb_core_name(dev->id.coreid),
- dev->core_index);
+ ssb_info("Switching to %s core, index %d\n",
+ ssb_core_name(dev->id.coreid),
+ dev->core_index);
#endif
spin_lock_irqsave(&bus->bar_lock, flags);
@@ -167,10 +167,28 @@ err_pci:
}
/* Get the word-offset for a SSB_SPROM_XXX define. */
-#define SPOFF(offset) (((offset) - SSB_SPROM_BASE) / sizeof(u16))
+#define SPOFF(offset) ((offset) / sizeof(u16))
/* Helper to extract some _offset, which is one of the SSB_SPROM_XXX defines. */
-#define SPEX(_outvar, _offset, _mask, _shift) \
+#define SPEX16(_outvar, _offset, _mask, _shift) \
out->_outvar = ((in[SPOFF(_offset)] & (_mask)) >> (_shift))
+#define SPEX32(_outvar, _offset, _mask, _shift) \
+ out->_outvar = ((((u32)in[SPOFF((_offset)+2)] << 16 | \
+ in[SPOFF(_offset)]) & (_mask)) >> (_shift))
+#define SPEX(_outvar, _offset, _mask, _shift) \
+ SPEX16(_outvar, _offset, _mask, _shift)
+
+#define SPEX_ARRAY8(_field, _offset, _mask, _shift) \
+ do { \
+ SPEX(_field[0], _offset + 0, _mask, _shift); \
+ SPEX(_field[1], _offset + 2, _mask, _shift); \
+ SPEX(_field[2], _offset + 4, _mask, _shift); \
+ SPEX(_field[3], _offset + 6, _mask, _shift); \
+ SPEX(_field[4], _offset + 8, _mask, _shift); \
+ SPEX(_field[5], _offset + 10, _mask, _shift); \
+ SPEX(_field[6], _offset + 12, _mask, _shift); \
+ SPEX(_field[7], _offset + 14, _mask, _shift); \
+ } while (0)
+
static inline u8 ssb_crc8(u8 crc, u8 data)
{
@@ -212,6 +230,15 @@ static inline u8 ssb_crc8(u8 crc, u8 data)
return t[crc ^ data];
}
+static void sprom_get_mac(char *mac, const u16 *in)
+{
+ int i;
+ for (i = 0; i < 3; i++) {
+ *mac++ = in[i] >> 8;
+ *mac++ = in[i];
+ }
+}
+
static u8 ssb_sprom_crc(const u16 *sprom, u16 size)
{
int word;
@@ -227,7 +254,7 @@ 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 +269,14 @@ 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));
+ sprom[i] = ioread16(bus->mmio + bus->sprom_offset + (i * 2));
+
+ return 0;
}
static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom)
@@ -257,7 +286,7 @@ static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom)
u32 spromctl;
u16 size = bus->sprom_size;
- ssb_printk(KERN_NOTICE PFX "Writing SPROM. Do NOT turn off the power! Please stand by...\n");
+ ssb_notice("Writing SPROM. Do NOT turn off the power! Please stand by...\n");
err = pci_read_config_dword(pdev, SSB_SPROMCTL, &spromctl);
if (err)
goto err_ctlreg;
@@ -265,18 +294,18 @@ static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom)
err = pci_write_config_dword(pdev, SSB_SPROMCTL, spromctl);
if (err)
goto err_ctlreg;
- ssb_printk(KERN_NOTICE PFX "[ 0%%");
+ ssb_notice("[ 0%%");
msleep(500);
for (i = 0; i < size; i++) {
if (i == size / 4)
- ssb_printk("25%%");
+ ssb_cont("25%%");
else if (i == size / 2)
- ssb_printk("50%%");
+ ssb_cont("50%%");
else if (i == (size * 3) / 4)
- ssb_printk("75%%");
+ ssb_cont("75%%");
else if (i % 2)
- ssb_printk(".");
- writew(sprom[i], bus->mmio + SSB_SPROM_BASE + (i * 2));
+ ssb_cont(".");
+ writew(sprom[i], bus->mmio + bus->sprom_offset + (i * 2));
mmiowb();
msleep(20);
}
@@ -288,12 +317,12 @@ static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom)
if (err)
goto err_ctlreg;
msleep(500);
- ssb_printk("100%% ]\n");
- ssb_printk(KERN_NOTICE PFX "SPROM written.\n");
+ ssb_cont("100%% ]\n");
+ ssb_notice("SPROM written\n");
return 0;
err_ctlreg:
- ssb_printk(KERN_ERR PFX "Could not access SPROM control register.\n");
+ ssb_err("Could not access SPROM control register.\n");
return err;
}
@@ -318,33 +347,36 @@ static s8 r123_extract_antgain(u8 sprom_revision, const u16 *in,
return (s8)gain;
}
+static void sprom_extract_r23(struct ssb_sprom *out, const u16 *in)
+{
+ SPEX(boardflags_hi, SSB_SPROM2_BFLHI, 0xFFFF, 0);
+ SPEX(opo, SSB_SPROM2_OPO, SSB_SPROM2_OPO_VALUE, 0);
+ SPEX(pa1lob0, SSB_SPROM2_PA1LOB0, 0xFFFF, 0);
+ SPEX(pa1lob1, SSB_SPROM2_PA1LOB1, 0xFFFF, 0);
+ SPEX(pa1lob2, SSB_SPROM2_PA1LOB2, 0xFFFF, 0);
+ SPEX(pa1hib0, SSB_SPROM2_PA1HIB0, 0xFFFF, 0);
+ SPEX(pa1hib1, SSB_SPROM2_PA1HIB1, 0xFFFF, 0);
+ SPEX(pa1hib2, SSB_SPROM2_PA1HIB2, 0xFFFF, 0);
+ SPEX(maxpwr_ah, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_HI, 0);
+ SPEX(maxpwr_al, SSB_SPROM2_MAXP_A, SSB_SPROM2_MAXP_A_LO,
+ SSB_SPROM2_MAXP_A_LO_SHIFT);
+}
+
static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in)
{
- int i;
- u16 v;
- s8 gain;
u16 loc[3];
- if (out->revision == 3) { /* rev 3 moved MAC */
+ if (out->revision == 3) /* rev 3 moved MAC */
loc[0] = SSB_SPROM3_IL0MAC;
- loc[1] = SSB_SPROM3_ET0MAC;
- loc[2] = SSB_SPROM3_ET1MAC;
- } else {
+ else {
loc[0] = SSB_SPROM1_IL0MAC;
loc[1] = SSB_SPROM1_ET0MAC;
loc[2] = SSB_SPROM1_ET1MAC;
}
- for (i = 0; i < 3; i++) {
- v = in[SPOFF(loc[0]) + i];
- *(((__be16 *)out->il0mac) + i) = cpu_to_be16(v);
- }
- for (i = 0; i < 3; i++) {
- v = in[SPOFF(loc[1]) + i];
- *(((__be16 *)out->et0mac) + i) = cpu_to_be16(v);
- }
- for (i = 0; i < 3; i++) {
- v = in[SPOFF(loc[2]) + i];
- *(((__be16 *)out->et1mac) + i) = cpu_to_be16(v);
+ sprom_get_mac(out->il0mac, &in[SPOFF(loc[0])]);
+ if (out->revision < 3) { /* only rev 1-2 have et0, et1 */
+ sprom_get_mac(out->et0mac, &in[SPOFF(loc[1])]);
+ sprom_get_mac(out->et1mac, &in[SPOFF(loc[2])]);
}
SPEX(et0phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0A, 0);
SPEX(et1phyaddr, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1A,
@@ -352,8 +384,10 @@ static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in)
SPEX(et0mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET0M, 14);
SPEX(et1mdcport, SSB_SPROM1_ETHPHY, SSB_SPROM1_ETHPHY_ET1M, 15);
SPEX(board_rev, SSB_SPROM1_BINF, SSB_SPROM1_BINF_BREV, 0);
- SPEX(country_code, SSB_SPROM1_BINF, SSB_SPROM1_BINF_CCODE,
- SSB_SPROM1_BINF_CCODE_SHIFT);
+ SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0);
+ if (out->revision == 1)
+ SPEX(country_code, SSB_SPROM1_BINF, SSB_SPROM1_BINF_CCODE,
+ SSB_SPROM1_BINF_CCODE_SHIFT);
SPEX(ant_available_a, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTA,
SSB_SPROM1_BINF_ANTA_SHIFT);
SPEX(ant_available_bg, SSB_SPROM1_BINF, SSB_SPROM1_BINF_ANTBG,
@@ -377,50 +411,92 @@ static void sprom_extract_r123(struct ssb_sprom *out, const u16 *in)
SSB_SPROM1_ITSSI_A_SHIFT);
SPEX(itssi_bg, SSB_SPROM1_ITSSI, SSB_SPROM1_ITSSI_BG, 0);
SPEX(boardflags_lo, SSB_SPROM1_BFLLO, 0xFFFF, 0);
- if (out->revision >= 2)
- SPEX(boardflags_hi, SSB_SPROM2_BFLHI, 0xFFFF, 0);
+
+ SPEX(alpha2[0], SSB_SPROM1_CCODE, 0xff00, 8);
+ SPEX(alpha2[1], SSB_SPROM1_CCODE, 0x00ff, 0);
/* Extract the antenna gain values. */
- gain = r123_extract_antgain(out->revision, in,
- SSB_SPROM1_AGAIN_BG,
- SSB_SPROM1_AGAIN_BG_SHIFT);
- out->antenna_gain.ghz24.a0 = gain;
- out->antenna_gain.ghz24.a1 = gain;
- out->antenna_gain.ghz24.a2 = gain;
- out->antenna_gain.ghz24.a3 = gain;
- gain = r123_extract_antgain(out->revision, in,
- SSB_SPROM1_AGAIN_A,
- SSB_SPROM1_AGAIN_A_SHIFT);
- out->antenna_gain.ghz5.a0 = gain;
- out->antenna_gain.ghz5.a1 = gain;
- out->antenna_gain.ghz5.a2 = gain;
- out->antenna_gain.ghz5.a3 = gain;
-}
-
-static void sprom_extract_r4(struct ssb_sprom *out, const u16 *in)
+ out->antenna_gain.a0 = r123_extract_antgain(out->revision, in,
+ SSB_SPROM1_AGAIN_BG,
+ SSB_SPROM1_AGAIN_BG_SHIFT);
+ out->antenna_gain.a1 = r123_extract_antgain(out->revision, in,
+ SSB_SPROM1_AGAIN_A,
+ SSB_SPROM1_AGAIN_A_SHIFT);
+ if (out->revision >= 2)
+ sprom_extract_r23(out, in);
+}
+
+/* Revs 4 5 and 8 have partially shared layout */
+static void sprom_extract_r458(struct ssb_sprom *out, const u16 *in)
{
- int i;
- u16 v;
+ SPEX(txpid2g[0], SSB_SPROM4_TXPID2G01,
+ SSB_SPROM4_TXPID2G0, SSB_SPROM4_TXPID2G0_SHIFT);
+ SPEX(txpid2g[1], SSB_SPROM4_TXPID2G01,
+ SSB_SPROM4_TXPID2G1, SSB_SPROM4_TXPID2G1_SHIFT);
+ SPEX(txpid2g[2], SSB_SPROM4_TXPID2G23,
+ SSB_SPROM4_TXPID2G2, SSB_SPROM4_TXPID2G2_SHIFT);
+ SPEX(txpid2g[3], SSB_SPROM4_TXPID2G23,
+ SSB_SPROM4_TXPID2G3, SSB_SPROM4_TXPID2G3_SHIFT);
+
+ SPEX(txpid5gl[0], SSB_SPROM4_TXPID5GL01,
+ SSB_SPROM4_TXPID5GL0, SSB_SPROM4_TXPID5GL0_SHIFT);
+ SPEX(txpid5gl[1], SSB_SPROM4_TXPID5GL01,
+ SSB_SPROM4_TXPID5GL1, SSB_SPROM4_TXPID5GL1_SHIFT);
+ SPEX(txpid5gl[2], SSB_SPROM4_TXPID5GL23,
+ SSB_SPROM4_TXPID5GL2, SSB_SPROM4_TXPID5GL2_SHIFT);
+ SPEX(txpid5gl[3], SSB_SPROM4_TXPID5GL23,
+ SSB_SPROM4_TXPID5GL3, SSB_SPROM4_TXPID5GL3_SHIFT);
+
+ SPEX(txpid5g[0], SSB_SPROM4_TXPID5G01,
+ SSB_SPROM4_TXPID5G0, SSB_SPROM4_TXPID5G0_SHIFT);
+ SPEX(txpid5g[1], SSB_SPROM4_TXPID5G01,
+ SSB_SPROM4_TXPID5G1, SSB_SPROM4_TXPID5G1_SHIFT);
+ SPEX(txpid5g[2], SSB_SPROM4_TXPID5G23,
+ SSB_SPROM4_TXPID5G2, SSB_SPROM4_TXPID5G2_SHIFT);
+ SPEX(txpid5g[3], SSB_SPROM4_TXPID5G23,
+ SSB_SPROM4_TXPID5G3, SSB_SPROM4_TXPID5G3_SHIFT);
+
+ SPEX(txpid5gh[0], SSB_SPROM4_TXPID5GH01,
+ SSB_SPROM4_TXPID5GH0, SSB_SPROM4_TXPID5GH0_SHIFT);
+ SPEX(txpid5gh[1], SSB_SPROM4_TXPID5GH01,
+ SSB_SPROM4_TXPID5GH1, SSB_SPROM4_TXPID5GH1_SHIFT);
+ SPEX(txpid5gh[2], SSB_SPROM4_TXPID5GH23,
+ SSB_SPROM4_TXPID5GH2, SSB_SPROM4_TXPID5GH2_SHIFT);
+ SPEX(txpid5gh[3], SSB_SPROM4_TXPID5GH23,
+ SSB_SPROM4_TXPID5GH3, SSB_SPROM4_TXPID5GH3_SHIFT);
+}
+
+static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in)
+{
+ u16 il0mac_offset;
+
+ if (out->revision == 4)
+ il0mac_offset = SSB_SPROM4_IL0MAC;
+ else
+ il0mac_offset = SSB_SPROM5_IL0MAC;
+
+ sprom_get_mac(out->il0mac, &in[SPOFF(il0mac_offset)]);
- /* extract the equivalent of the r1 variables */
- for (i = 0; i < 3; i++) {
- v = in[SPOFF(SSB_SPROM4_IL0MAC) + i];
- *(((__be16 *)out->il0mac) + i) = cpu_to_be16(v);
- }
- for (i = 0; i < 3; i++) {
- v = in[SPOFF(SSB_SPROM4_ET0MAC) + i];
- *(((__be16 *)out->et0mac) + i) = cpu_to_be16(v);
- }
- for (i = 0; i < 3; i++) {
- v = in[SPOFF(SSB_SPROM4_ET1MAC) + i];
- *(((__be16 *)out->et1mac) + i) = cpu_to_be16(v);
- }
SPEX(et0phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET0A, 0);
SPEX(et1phyaddr, SSB_SPROM4_ETHPHY, SSB_SPROM4_ETHPHY_ET1A,
SSB_SPROM4_ETHPHY_ET1A_SHIFT);
- SPEX(country_code, SSB_SPROM4_CCODE, 0xFFFF, 0);
- SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0);
- SPEX(boardflags_hi, SSB_SPROM4_BFLHI, 0xFFFF, 0);
+ SPEX(board_rev, SSB_SPROM4_BOARDREV, 0xFFFF, 0);
+ SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0);
+ if (out->revision == 4) {
+ SPEX(alpha2[0], SSB_SPROM4_CCODE, 0xff00, 8);
+ SPEX(alpha2[1], SSB_SPROM4_CCODE, 0x00ff, 0);
+ SPEX(boardflags_lo, SSB_SPROM4_BFLLO, 0xFFFF, 0);
+ SPEX(boardflags_hi, SSB_SPROM4_BFLHI, 0xFFFF, 0);
+ SPEX(boardflags2_lo, SSB_SPROM4_BFL2LO, 0xFFFF, 0);
+ SPEX(boardflags2_hi, SSB_SPROM4_BFL2HI, 0xFFFF, 0);
+ } else {
+ SPEX(alpha2[0], SSB_SPROM5_CCODE, 0xff00, 8);
+ SPEX(alpha2[1], SSB_SPROM5_CCODE, 0x00ff, 0);
+ SPEX(boardflags_lo, SSB_SPROM5_BFLLO, 0xFFFF, 0);
+ SPEX(boardflags_hi, SSB_SPROM5_BFLHI, 0xFFFF, 0);
+ SPEX(boardflags2_lo, SSB_SPROM5_BFL2LO, 0xFFFF, 0);
+ SPEX(boardflags2_hi, SSB_SPROM5_BFL2HI, 0xFFFF, 0);
+ }
SPEX(ant_available_a, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_A,
SSB_SPROM4_ANTAVAIL_A_SHIFT);
SPEX(ant_available_bg, SSB_SPROM4_ANTAVAIL, SSB_SPROM4_ANTAVAIL_BG,
@@ -431,109 +507,366 @@ static void sprom_extract_r4(struct ssb_sprom *out, const u16 *in)
SPEX(maxpwr_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_MAXP_A_MASK, 0);
SPEX(itssi_a, SSB_SPROM4_MAXP_A, SSB_SPROM4_ITSSI_A,
SSB_SPROM4_ITSSI_A_SHIFT);
- SPEX(gpio0, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P0, 0);
- SPEX(gpio1, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P1,
- SSB_SPROM4_GPIOA_P1_SHIFT);
- SPEX(gpio2, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P2, 0);
- SPEX(gpio3, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P3,
- SSB_SPROM4_GPIOB_P3_SHIFT);
+ if (out->revision == 4) {
+ SPEX(gpio0, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P0, 0);
+ SPEX(gpio1, SSB_SPROM4_GPIOA, SSB_SPROM4_GPIOA_P1,
+ SSB_SPROM4_GPIOA_P1_SHIFT);
+ SPEX(gpio2, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P2, 0);
+ SPEX(gpio3, SSB_SPROM4_GPIOB, SSB_SPROM4_GPIOB_P3,
+ SSB_SPROM4_GPIOB_P3_SHIFT);
+ } else {
+ SPEX(gpio0, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P0, 0);
+ SPEX(gpio1, SSB_SPROM5_GPIOA, SSB_SPROM5_GPIOA_P1,
+ SSB_SPROM5_GPIOA_P1_SHIFT);
+ SPEX(gpio2, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P2, 0);
+ SPEX(gpio3, SSB_SPROM5_GPIOB, SSB_SPROM5_GPIOB_P3,
+ SSB_SPROM5_GPIOB_P3_SHIFT);
+ }
/* Extract the antenna gain values. */
- SPEX(antenna_gain.ghz24.a0, SSB_SPROM4_AGAIN01,
+ SPEX(antenna_gain.a0, SSB_SPROM4_AGAIN01,
SSB_SPROM4_AGAIN0, SSB_SPROM4_AGAIN0_SHIFT);
- SPEX(antenna_gain.ghz24.a1, SSB_SPROM4_AGAIN01,
+ SPEX(antenna_gain.a1, SSB_SPROM4_AGAIN01,
SSB_SPROM4_AGAIN1, SSB_SPROM4_AGAIN1_SHIFT);
- SPEX(antenna_gain.ghz24.a2, SSB_SPROM4_AGAIN23,
+ SPEX(antenna_gain.a2, SSB_SPROM4_AGAIN23,
SSB_SPROM4_AGAIN2, SSB_SPROM4_AGAIN2_SHIFT);
- SPEX(antenna_gain.ghz24.a3, SSB_SPROM4_AGAIN23,
+ SPEX(antenna_gain.a3, SSB_SPROM4_AGAIN23,
SSB_SPROM4_AGAIN3, SSB_SPROM4_AGAIN3_SHIFT);
- memcpy(&out->antenna_gain.ghz5, &out->antenna_gain.ghz24,
- sizeof(out->antenna_gain.ghz5));
+
+ sprom_extract_r458(out, in);
/* TODO - get remaining rev 4 stuff needed */
}
+static void sprom_extract_r8(struct ssb_sprom *out, const u16 *in)
+{
+ int i;
+ u16 o;
+ u16 pwr_info_offset[] = {
+ SSB_SROM8_PWR_INFO_CORE0, SSB_SROM8_PWR_INFO_CORE1,
+ SSB_SROM8_PWR_INFO_CORE2, SSB_SROM8_PWR_INFO_CORE3
+ };
+ BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) !=
+ ARRAY_SIZE(out->core_pwr_info));
+
+ /* extract the MAC address */
+ sprom_get_mac(out->il0mac, &in[SPOFF(SSB_SPROM8_IL0MAC)]);
+
+ SPEX(board_rev, SSB_SPROM8_BOARDREV, 0xFFFF, 0);
+ SPEX(board_type, SSB_SPROM1_SPID, 0xFFFF, 0);
+ SPEX(alpha2[0], SSB_SPROM8_CCODE, 0xff00, 8);
+ SPEX(alpha2[1], SSB_SPROM8_CCODE, 0x00ff, 0);
+ SPEX(boardflags_lo, SSB_SPROM8_BFLLO, 0xFFFF, 0);
+ SPEX(boardflags_hi, SSB_SPROM8_BFLHI, 0xFFFF, 0);
+ SPEX(boardflags2_lo, SSB_SPROM8_BFL2LO, 0xFFFF, 0);
+ SPEX(boardflags2_hi, SSB_SPROM8_BFL2HI, 0xFFFF, 0);
+ SPEX(ant_available_a, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_A,
+ SSB_SPROM8_ANTAVAIL_A_SHIFT);
+ SPEX(ant_available_bg, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_BG,
+ SSB_SPROM8_ANTAVAIL_BG_SHIFT);
+ SPEX(maxpwr_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_MAXP_BG_MASK, 0);
+ SPEX(itssi_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_ITSSI_BG,
+ SSB_SPROM8_ITSSI_BG_SHIFT);
+ SPEX(maxpwr_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_MAXP_A_MASK, 0);
+ SPEX(itssi_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_ITSSI_A,
+ SSB_SPROM8_ITSSI_A_SHIFT);
+ SPEX(maxpwr_ah, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AH_MASK, 0);
+ SPEX(maxpwr_al, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AL_MASK,
+ SSB_SPROM8_MAXP_AL_SHIFT);
+ SPEX(gpio0, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P0, 0);
+ SPEX(gpio1, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P1,
+ SSB_SPROM8_GPIOA_P1_SHIFT);
+ SPEX(gpio2, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P2, 0);
+ SPEX(gpio3, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P3,
+ SSB_SPROM8_GPIOB_P3_SHIFT);
+ SPEX(tri2g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI2G, 0);
+ SPEX(tri5g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI5G,
+ SSB_SPROM8_TRI5G_SHIFT);
+ SPEX(tri5gl, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GL, 0);
+ SPEX(tri5gh, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GH,
+ SSB_SPROM8_TRI5GH_SHIFT);
+ SPEX(rxpo2g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO2G, 0);
+ SPEX(rxpo5g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO5G,
+ SSB_SPROM8_RXPO5G_SHIFT);
+ SPEX(rssismf2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMF2G, 0);
+ SPEX(rssismc2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMC2G,
+ SSB_SPROM8_RSSISMC2G_SHIFT);
+ SPEX(rssisav2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISAV2G,
+ SSB_SPROM8_RSSISAV2G_SHIFT);
+ SPEX(bxa2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_BXA2G,
+ SSB_SPROM8_BXA2G_SHIFT);
+ SPEX(rssismf5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMF5G, 0);
+ SPEX(rssismc5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMC5G,
+ SSB_SPROM8_RSSISMC5G_SHIFT);
+ SPEX(rssisav5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISAV5G,
+ SSB_SPROM8_RSSISAV5G_SHIFT);
+ SPEX(bxa5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_BXA5G,
+ SSB_SPROM8_BXA5G_SHIFT);
+ SPEX(pa0b0, SSB_SPROM8_PA0B0, 0xFFFF, 0);
+ SPEX(pa0b1, SSB_SPROM8_PA0B1, 0xFFFF, 0);
+ SPEX(pa0b2, SSB_SPROM8_PA0B2, 0xFFFF, 0);
+ SPEX(pa1b0, SSB_SPROM8_PA1B0, 0xFFFF, 0);
+ SPEX(pa1b1, SSB_SPROM8_PA1B1, 0xFFFF, 0);
+ SPEX(pa1b2, SSB_SPROM8_PA1B2, 0xFFFF, 0);
+ SPEX(pa1lob0, SSB_SPROM8_PA1LOB0, 0xFFFF, 0);
+ SPEX(pa1lob1, SSB_SPROM8_PA1LOB1, 0xFFFF, 0);
+ SPEX(pa1lob2, SSB_SPROM8_PA1LOB2, 0xFFFF, 0);
+ SPEX(pa1hib0, SSB_SPROM8_PA1HIB0, 0xFFFF, 0);
+ SPEX(pa1hib1, SSB_SPROM8_PA1HIB1, 0xFFFF, 0);
+ SPEX(pa1hib2, SSB_SPROM8_PA1HIB2, 0xFFFF, 0);
+ SPEX(cck2gpo, SSB_SPROM8_CCK2GPO, 0xFFFF, 0);
+ SPEX32(ofdm2gpo, SSB_SPROM8_OFDM2GPO, 0xFFFFFFFF, 0);
+ SPEX32(ofdm5glpo, SSB_SPROM8_OFDM5GLPO, 0xFFFFFFFF, 0);
+ SPEX32(ofdm5gpo, SSB_SPROM8_OFDM5GPO, 0xFFFFFFFF, 0);
+ SPEX32(ofdm5ghpo, SSB_SPROM8_OFDM5GHPO, 0xFFFFFFFF, 0);
+
+ /* Extract the antenna gain values. */
+ SPEX(antenna_gain.a0, SSB_SPROM8_AGAIN01,
+ SSB_SPROM8_AGAIN0, SSB_SPROM8_AGAIN0_SHIFT);
+ SPEX(antenna_gain.a1, SSB_SPROM8_AGAIN01,
+ SSB_SPROM8_AGAIN1, SSB_SPROM8_AGAIN1_SHIFT);
+ SPEX(antenna_gain.a2, SSB_SPROM8_AGAIN23,
+ SSB_SPROM8_AGAIN2, SSB_SPROM8_AGAIN2_SHIFT);
+ SPEX(antenna_gain.a3, SSB_SPROM8_AGAIN23,
+ SSB_SPROM8_AGAIN3, SSB_SPROM8_AGAIN3_SHIFT);
+
+ /* Extract cores power info info */
+ for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) {
+ o = pwr_info_offset[i];
+ SPEX(core_pwr_info[i].itssi_2g, o + SSB_SROM8_2G_MAXP_ITSSI,
+ SSB_SPROM8_2G_ITSSI, SSB_SPROM8_2G_ITSSI_SHIFT);
+ SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SROM8_2G_MAXP_ITSSI,
+ SSB_SPROM8_2G_MAXP, 0);
+
+ SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SROM8_2G_PA_0, ~0, 0);
+ SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SROM8_2G_PA_1, ~0, 0);
+ SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SROM8_2G_PA_2, ~0, 0);
+
+ SPEX(core_pwr_info[i].itssi_5g, o + SSB_SROM8_5G_MAXP_ITSSI,
+ SSB_SPROM8_5G_ITSSI, SSB_SPROM8_5G_ITSSI_SHIFT);
+ SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SROM8_5G_MAXP_ITSSI,
+ SSB_SPROM8_5G_MAXP, 0);
+ SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM8_5GHL_MAXP,
+ SSB_SPROM8_5GH_MAXP, 0);
+ SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM8_5GHL_MAXP,
+ SSB_SPROM8_5GL_MAXP, SSB_SPROM8_5GL_MAXP_SHIFT);
+
+ SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SROM8_5GL_PA_0, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SROM8_5GL_PA_1, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SROM8_5GL_PA_2, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SROM8_5G_PA_0, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SROM8_5G_PA_1, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SROM8_5G_PA_2, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SROM8_5GH_PA_0, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SROM8_5GH_PA_1, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SROM8_5GH_PA_2, ~0, 0);
+ }
+
+ /* Extract FEM info */
+ SPEX(fem.ghz2.tssipos, SSB_SPROM8_FEM2G,
+ SSB_SROM8_FEM_TSSIPOS, SSB_SROM8_FEM_TSSIPOS_SHIFT);
+ SPEX(fem.ghz2.extpa_gain, SSB_SPROM8_FEM2G,
+ SSB_SROM8_FEM_EXTPA_GAIN, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT);
+ SPEX(fem.ghz2.pdet_range, SSB_SPROM8_FEM2G,
+ SSB_SROM8_FEM_PDET_RANGE, SSB_SROM8_FEM_PDET_RANGE_SHIFT);
+ SPEX(fem.ghz2.tr_iso, SSB_SPROM8_FEM2G,
+ SSB_SROM8_FEM_TR_ISO, SSB_SROM8_FEM_TR_ISO_SHIFT);
+ SPEX(fem.ghz2.antswlut, SSB_SPROM8_FEM2G,
+ SSB_SROM8_FEM_ANTSWLUT, SSB_SROM8_FEM_ANTSWLUT_SHIFT);
+
+ SPEX(fem.ghz5.tssipos, SSB_SPROM8_FEM5G,
+ SSB_SROM8_FEM_TSSIPOS, SSB_SROM8_FEM_TSSIPOS_SHIFT);
+ SPEX(fem.ghz5.extpa_gain, SSB_SPROM8_FEM5G,
+ SSB_SROM8_FEM_EXTPA_GAIN, SSB_SROM8_FEM_EXTPA_GAIN_SHIFT);
+ SPEX(fem.ghz5.pdet_range, SSB_SPROM8_FEM5G,
+ SSB_SROM8_FEM_PDET_RANGE, SSB_SROM8_FEM_PDET_RANGE_SHIFT);
+ SPEX(fem.ghz5.tr_iso, SSB_SPROM8_FEM5G,
+ SSB_SROM8_FEM_TR_ISO, SSB_SROM8_FEM_TR_ISO_SHIFT);
+ SPEX(fem.ghz5.antswlut, SSB_SPROM8_FEM5G,
+ SSB_SROM8_FEM_ANTSWLUT, SSB_SROM8_FEM_ANTSWLUT_SHIFT);
+
+ SPEX(leddc_on_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_ON,
+ SSB_SPROM8_LEDDC_ON_SHIFT);
+ SPEX(leddc_off_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_OFF,
+ SSB_SPROM8_LEDDC_OFF_SHIFT);
+
+ SPEX(txchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_TXCHAIN,
+ SSB_SPROM8_TXRXC_TXCHAIN_SHIFT);
+ SPEX(rxchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_RXCHAIN,
+ SSB_SPROM8_TXRXC_RXCHAIN_SHIFT);
+ SPEX(antswitch, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_SWITCH,
+ SSB_SPROM8_TXRXC_SWITCH_SHIFT);
+
+ SPEX(opo, SSB_SPROM8_OFDM2GPO, 0x00ff, 0);
+
+ SPEX_ARRAY8(mcs2gpo, SSB_SPROM8_2G_MCSPO, ~0, 0);
+ SPEX_ARRAY8(mcs5gpo, SSB_SPROM8_5G_MCSPO, ~0, 0);
+ SPEX_ARRAY8(mcs5glpo, SSB_SPROM8_5GL_MCSPO, ~0, 0);
+ SPEX_ARRAY8(mcs5ghpo, SSB_SPROM8_5GH_MCSPO, ~0, 0);
+
+ SPEX(rawtempsense, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_RAWTEMP,
+ SSB_SPROM8_RAWTS_RAWTEMP_SHIFT);
+ SPEX(measpower, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_MEASPOWER,
+ SSB_SPROM8_RAWTS_MEASPOWER_SHIFT);
+ SPEX(tempsense_slope, SSB_SPROM8_OPT_CORRX,
+ SSB_SPROM8_OPT_CORRX_TEMP_SLOPE,
+ SSB_SPROM8_OPT_CORRX_TEMP_SLOPE_SHIFT);
+ SPEX(tempcorrx, SSB_SPROM8_OPT_CORRX, SSB_SPROM8_OPT_CORRX_TEMPCORRX,
+ SSB_SPROM8_OPT_CORRX_TEMPCORRX_SHIFT);
+ SPEX(tempsense_option, SSB_SPROM8_OPT_CORRX,
+ SSB_SPROM8_OPT_CORRX_TEMP_OPTION,
+ SSB_SPROM8_OPT_CORRX_TEMP_OPTION_SHIFT);
+ SPEX(freqoffset_corr, SSB_SPROM8_HWIQ_IQSWP,
+ SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR,
+ SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR_SHIFT);
+ SPEX(iqcal_swp_dis, SSB_SPROM8_HWIQ_IQSWP,
+ SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP,
+ SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP_SHIFT);
+ SPEX(hw_iqcal_en, SSB_SPROM8_HWIQ_IQSWP, SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL,
+ SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL_SHIFT);
+
+ SPEX(bw40po, SSB_SPROM8_BW40PO, ~0, 0);
+ SPEX(cddpo, SSB_SPROM8_CDDPO, ~0, 0);
+ SPEX(stbcpo, SSB_SPROM8_STBCPO, ~0, 0);
+ SPEX(bwduppo, SSB_SPROM8_BWDUPPO, ~0, 0);
+
+ SPEX(tempthresh, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_TRESH,
+ SSB_SPROM8_THERMAL_TRESH_SHIFT);
+ SPEX(tempoffset, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_OFFSET,
+ SSB_SPROM8_THERMAL_OFFSET_SHIFT);
+ SPEX(phycal_tempdelta, SSB_SPROM8_TEMPDELTA,
+ SSB_SPROM8_TEMPDELTA_PHYCAL,
+ SSB_SPROM8_TEMPDELTA_PHYCAL_SHIFT);
+ SPEX(temps_period, SSB_SPROM8_TEMPDELTA, SSB_SPROM8_TEMPDELTA_PERIOD,
+ SSB_SPROM8_TEMPDELTA_PERIOD_SHIFT);
+ SPEX(temps_hysteresis, SSB_SPROM8_TEMPDELTA,
+ SSB_SPROM8_TEMPDELTA_HYSTERESIS,
+ SSB_SPROM8_TEMPDELTA_HYSTERESIS_SHIFT);
+ sprom_extract_r458(out, in);
+
+ /* TODO - get remaining rev 8 stuff needed */
+}
+
static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
const u16 *in, u16 size)
{
memset(out, 0, sizeof(*out));
out->revision = in[size - 1] & 0x00FF;
- ssb_dprintk(KERN_DEBUG PFX "SPROM revision %d detected.\n", out->revision);
+ ssb_dbg("SPROM revision %d detected\n", out->revision);
+ memset(out->et0mac, 0xFF, 6); /* preset et0 and et1 mac */
+ memset(out->et1mac, 0xFF, 6);
+
if ((bus->chip_id & 0xFF00) == 0x4400) {
/* Workaround: The BCM44XX chip has a stupid revision
* number stored in the SPROM.
* Always extract r1. */
out->revision = 1;
+ ssb_dbg("SPROM treated as revision %d\n", out->revision);
+ }
+
+ switch (out->revision) {
+ case 1:
+ case 2:
+ case 3:
+ sprom_extract_r123(out, in);
+ break;
+ case 4:
+ case 5:
+ sprom_extract_r45(out, in);
+ break;
+ case 8:
+ sprom_extract_r8(out, in);
+ break;
+ default:
+ ssb_warn("Unsupported SPROM revision %d detected. Will extract v1\n",
+ out->revision);
+ out->revision = 1;
sprom_extract_r123(out, in);
- } else if (bus->chip_id == 0x4321) {
- /* the BCM4328 has a chipid == 0x4321 and a rev 4 SPROM */
- out->revision = 4;
- sprom_extract_r4(out, in);
- } else {
- if (out->revision == 0)
- goto unsupported;
- if (out->revision >= 1 && out->revision <= 3) {
- sprom_extract_r123(out, in);
- }
- if (out->revision == 4)
- sprom_extract_r4(out, in);
- if (out->revision >= 5)
- goto unsupported;
}
- return 0;
-unsupported:
- ssb_printk(KERN_WARNING PFX "Unsupported SPROM revision %d "
- "detected. Will extract v1\n", out->revision);
- sprom_extract_r123(out, in);
+ if (out->boardflags_lo == 0xFFFF)
+ out->boardflags_lo = 0; /* per specs */
+ if (out->boardflags_hi == 0xFFFF)
+ out->boardflags_hi = 0; /* per specs */
+
return 0;
}
static int ssb_pci_sprom_get(struct ssb_bus *bus,
struct ssb_sprom *sprom)
{
- int err = -ENOMEM;
+ int err;
u16 *buf;
+ if (!ssb_is_sprom_available(bus)) {
+ ssb_err("No SPROM available!\n");
+ return -ENODEV;
+ }
+ if (bus->chipco.dev) { /* can be unavailable! */
+ /*
+ * get SPROM offset: SSB_SPROM_BASE1 except for
+ * chipcommon rev >= 31 or chip ID is 0x4312 and
+ * chipcommon status & 3 == 2
+ */
+ if (bus->chipco.dev->id.revision >= 31)
+ bus->sprom_offset = SSB_SPROM_BASE31;
+ else if (bus->chip_id == 0x4312 &&
+ (bus->chipco.status & 0x03) == 2)
+ bus->sprom_offset = SSB_SPROM_BASE31;
+ else
+ bus->sprom_offset = SSB_SPROM_BASE1;
+ } else {
+ bus->sprom_offset = SSB_SPROM_BASE1;
+ }
+ ssb_dbg("SPROM offset is 0x%x\n", bus->sprom_offset);
+
buf = kcalloc(SSB_SPROMSIZE_WORDS_R123, sizeof(u16), GFP_KERNEL);
if (!buf)
- goto out;
+ return -ENOMEM;
bus->sprom_size = SSB_SPROMSIZE_WORDS_R123;
sprom_do_read(bus, buf);
err = sprom_check_crc(buf, bus->sprom_size);
if (err) {
- /* check for rev 4 sprom - has special signature */
- if (buf[32] == 0x5372) {
- kfree(buf);
- buf = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
- GFP_KERNEL);
- if (!buf)
- goto out;
- bus->sprom_size = SSB_SPROMSIZE_WORDS_R4;
- sprom_do_read(bus, buf);
- err = sprom_check_crc(buf, bus->sprom_size);
+ /* try for a 440 byte SPROM - revision 4 and higher */
+ kfree(buf);
+ buf = kcalloc(SSB_SPROMSIZE_WORDS_R4, sizeof(u16),
+ GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+ bus->sprom_size = SSB_SPROMSIZE_WORDS_R4;
+ sprom_do_read(bus, buf);
+ err = sprom_check_crc(buf, bus->sprom_size);
+ if (err) {
+ /* All CRC attempts failed.
+ * Maybe there is no SPROM on the device?
+ * Now we ask the arch code if there is some sprom
+ * available for this device in some other storage */
+ err = ssb_fill_sprom_with_fallback(bus, sprom);
+ if (err) {
+ ssb_warn("WARNING: Using fallback SPROM failed (err %d)\n",
+ err);
+ } else {
+ ssb_dbg("Using SPROM revision %d provided by platform\n",
+ sprom->revision);
+ err = 0;
+ goto out_free;
+ }
+ ssb_warn("WARNING: Invalid SPROM CRC (corrupt SPROM)\n");
}
- if (err)
- ssb_printk(KERN_WARNING PFX "WARNING: Invalid"
- " SPROM CRC (corrupt SPROM)\n");
}
err = sprom_extract(bus, sprom, buf, bus->sprom_size);
+out_free:
kfree(buf);
-out:
return err;
}
static void ssb_pci_get_boardinfo(struct ssb_bus *bus,
struct ssb_boardinfo *bi)
{
- pci_read_config_word(bus->host_pci, PCI_SUBSYSTEM_VENDOR_ID,
- &bi->vendor);
- pci_read_config_word(bus->host_pci, PCI_SUBSYSTEM_ID,
- &bi->type);
- pci_read_config_word(bus->host_pci, PCI_REVISION_ID,
- &bi->rev);
+ bi->vendor = bus->host_pci->subsystem_vendor;
+ bi->type = bus->host_pci->subsystem_device;
}
int ssb_pci_get_invariants(struct ssb_bus *bus,
@@ -572,6 +905,19 @@ 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 +944,54 @@ 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 +1018,63 @@ 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 +1083,13 @@ 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 +1116,7 @@ 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 82a10abef64..69161bbc4d0 100644
--- a/drivers/ssb/pcihost_wrapper.c
+++ b/drivers/ssb/pcihost_wrapper.c
@@ -6,18 +6,26 @@
* 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>
- * Copyright (c) 2005-2007 Michael Buesch <mbuesch@freenet.de>
+ * Copyright (c) 2005-2007 Michael Buesch <m@bues.ch>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
#include <linux/pci.h>
+#include <linux/export.h>
+#include <linux/slab.h>
#include <linux/ssb/ssb.h>
#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));
@@ -27,13 +35,17 @@ 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);
+ pci_set_power_state(dev, PCI_D0);
err = pci_enable_device(dev);
if (err)
return err;
pci_restore_state(dev);
+ err = ssb_bus_resume(ssb);
+ if (err)
+ return err;
return 0;
}
@@ -48,6 +60,7 @@ static int ssb_pcihost_probe(struct pci_dev *dev,
struct ssb_bus *ssb;
int err = -ENOMEM;
const char *name;
+ u32 val;
ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
if (!ssb)
@@ -55,7 +68,7 @@ static int ssb_pcihost_probe(struct pci_dev *dev,
err = pci_enable_device(dev);
if (err)
goto err_kfree_ssb;
- name = dev->dev.bus_id;
+ name = dev_name(&dev->dev);
if (dev->driver && dev->driver->name)
name = dev->driver->name;
err = pci_request_regions(dev, name);
@@ -63,6 +76,12 @@ static int ssb_pcihost_probe(struct pci_dev *dev,
goto err_pci_disable;
pci_set_master(dev);
+ /* Disable the RETRY_TIMEOUT register (0x41) to keep
+ * PCI Tx retries from interfering with C3 CPU state */
+ pci_read_config_dword(dev, 0x40, &val);
+ if ((val & 0x0000ff00) != 0)
+ pci_write_config_dword(dev, 0x40, val & 0xffff00ff);
+
err = ssb_bus_pcibus_register(ssb, dev);
if (err)
goto err_pci_release_regions;
diff --git a/drivers/ssb/pcmcia.c b/drivers/ssb/pcmcia.c
index 46816cda8b9..b413e018708 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 <m@bues.ch>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
@@ -11,9 +11,8 @@
#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>
#include <pcmcia/cistpl.h>
#include <pcmcia/ciscode.h>
#include <pcmcia/ds.h>
@@ -26,59 +25,117 @@
#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)
+{
+ int res;
+
+ res = pcmcia_write_config_byte(bus->host_pcmcia, offset, value);
+ if (unlikely(res != 0))
+ return -EBUSY;
+
+ return 0;
+}
+
+/* Read from a PCMCIA configuration register. */
+static int ssb_pcmcia_cfg_read(struct ssb_bus *bus, u8 offset, u8 *value)
+{
+ int res;
+
+ res = pcmcia_read_config_byte(bus->host_pcmcia, offset, value);
+ if (unlikely(res != 0))
+ return -EBUSY;
+
+ 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);
@@ -86,8 +143,8 @@ 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;
+ ssb_err("Failed to switch to core %u\n", coreidx);
+ return err;
}
int ssb_pcmcia_switch_core(struct ssb_bus *bus,
@@ -96,10 +153,9 @@ int ssb_pcmcia_switch_core(struct ssb_bus *bus,
int err;
#if SSB_VERBOSE_PCMCIACORESWITCH_DEBUG
- ssb_printk(KERN_INFO PFX
- "Switching to %s core, index %d\n",
- ssb_core_name(dev->id.coreid),
- dev->core_index);
+ ssb_info("Switching to %s core, index %d\n",
+ ssb_core_name(dev->id.coreid),
+ dev->core_index);
#endif
err = ssb_pcmcia_switch_coreidx(bus, dev->core_index);
@@ -112,27 +168,21 @@ 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);
@@ -141,8 +191,8 @@ 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;
+ ssb_err("Failed to switch pcmcia segment\n");
+ return err;
}
static int select_core_and_segment(struct ssb_device *dev,
@@ -172,6 +222,22 @@ 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 +272,78 @@ 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 +374,422 @@ 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_notice("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_notice("Could not enable SPROM write access\n");
+ return -EBUSY;
+ }
+ ssb_notice("[ 0%%");
+ msleep(500);
+ for (i = 0; i < size; i++) {
+ if (i == size / 4)
+ ssb_cont("25%%");
+ else if (i == size / 2)
+ ssb_cont("50%%");
+ else if (i == (size * 3) / 4)
+ ssb_cont("75%%");
+ else if (i % 2)
+ ssb_cont(".");
+ err = ssb_pcmcia_sprom_write(bus, i, sprom[i]);
+ if (err) {
+ ssb_notice("Failed to write to SPROM\n");
+ failed = 1;
+ break;
+ }
+ }
+ err = ssb_pcmcia_sprom_command(bus, SSB_PCMCIA_SPROMCTL_WRITEDIS);
+ if (err) {
+ ssb_notice("Could not disable SPROM write access\n");
+ failed = 1;
+ }
+ msleep(500);
+ if (!failed) {
+ ssb_cont("100%% ]\n");
+ ssb_notice("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)
+
+static int ssb_pcmcia_get_mac(struct pcmcia_device *p_dev,
+ tuple_t *tuple,
+ void *priv)
+{
+ struct ssb_sprom *sprom = priv;
+
+ if (tuple->TupleData[0] != CISTPL_FUNCE_LAN_NODE_ID)
+ return -EINVAL;
+ if (tuple->TupleDataLen != ETH_ALEN + 2)
+ return -EINVAL;
+ if (tuple->TupleData[1] != ETH_ALEN)
+ return -EINVAL;
+ memcpy(sprom->il0mac, &tuple->TupleData[2], ETH_ALEN);
+ return 0;
+};
+
+static int ssb_pcmcia_do_get_invariants(struct pcmcia_device *p_dev,
+ tuple_t *tuple,
+ void *priv)
+{
+ struct ssb_init_invariants *iv = priv;
+ struct ssb_sprom *sprom = &iv->sprom;
+ struct ssb_boardinfo *bi = &iv->boardinfo;
+ const char *error_description;
+
+ 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) &&
+ (tuple->TupleDataLen != 10),
+ "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.a0 = tuple->TupleData[1];
+ sprom->antenna_gain.a1 = tuple->TupleData[1];
+ sprom->antenna_gain.a2 = tuple->TupleData[1];
+ sprom->antenna_gain.a3 = tuple->TupleData[1];
+ break;
+ case SSB_PCMCIA_CIS_BFLAGS:
+ GOTO_ERROR_ON((tuple->TupleDataLen != 3) &&
+ (tuple->TupleDataLen != 5),
+ "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;
+ }
+ return -ENOSPC; /* continue with next entry */
+
+error:
+ ssb_err(
+ "PCMCIA: Failed to fetch device invariants: %s\n",
+ error_description);
+ return -ENODEV;
+}
+
+
int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
struct ssb_init_invariants *iv)
{
- //TODO
- random_ether_addr(iv->sprom.il0mac);
+ struct ssb_sprom *sprom = &iv->sprom;
+ int res;
+
+ memset(sprom, 0xFF, sizeof(*sprom));
+ sprom->revision = 1;
+ sprom->boardflags_lo = 0;
+ sprom->boardflags_hi = 0;
+
+ /* First fetch the MAC address. */
+ res = pcmcia_loop_tuple(bus->host_pcmcia, CISTPL_FUNCE,
+ ssb_pcmcia_get_mac, sprom);
+ if (res != 0) {
+ ssb_err(
+ "PCMCIA: Failed to fetch MAC address\n");
+ return -ENODEV;
+ }
+
+ /* Fetch the vendor specific tuples. */
+ res = pcmcia_loop_tuple(bus->host_pcmcia, SSB_PCMCIA_CIS,
+ ssb_pcmcia_do_get_invariants, iv);
+ if ((res == 0) || (res == -ENOSPC))
+ return 0;
+
+ ssb_err(
+ "PCMCIA: Failed to fetch device invariants\n");
+ return -ENODEV;
+}
+
+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;
}
-int ssb_pcmcia_init(struct ssb_bus *bus)
+/* 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 +798,45 @@ 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;
+
+ 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;
- /* 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)
+ 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_err("Failed to initialize PCMCIA host device\n");
+ return err;
}
diff --git a/drivers/ssb/scan.c b/drivers/ssb/scan.c
index 63ee5cfbefb..b9429df583e 100644
--- a/drivers/ssb/scan.c
+++ b/drivers/ssb/scan.c
@@ -2,7 +2,7 @@
* Sonics Silicon Backplane
* Bus scanning
*
- * Copyright (C) 2005-2007 Michael Buesch <mb@bu3sch.de>
+ * Copyright (C) 2005-2007 Michael Buesch <m@bues.ch>
* 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>
@@ -17,8 +17,6 @@
#include <linux/pci.h>
#include <linux/io.h>
-#include <pcmcia/cs_types.h>
-#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>
@@ -92,6 +90,8 @@ const char *ssb_core_name(u16 coreid)
return "ARM 1176";
case SSB_DEV_ARM_7TDMI:
return "ARM 7TDMI";
+ case SSB_DEV_ARM_CM3:
+ return "ARM Cortex M3";
}
return "UNKNOWN";
}
@@ -125,8 +125,7 @@ static u16 pcidev_to_chipid(struct pci_dev *pci_dev)
chipid_fallback = 0x4401;
break;
default:
- ssb_printk(KERN_ERR PFX
- "PCI-ID not in fallback list\n");
+ ssb_err("PCI-ID not in fallback list\n");
}
return chipid_fallback;
@@ -152,8 +151,7 @@ static u8 chipid_to_nrcores(u16 chipid)
case 0x4704:
return 9;
default:
- ssb_printk(KERN_ERR PFX
- "CHIPID not in nrcores fallback list\n");
+ ssb_err("CHIPID not in nrcores fallback list\n");
}
return 1;
@@ -162,6 +160,8 @@ static u8 chipid_to_nrcores(u16 chipid)
static u32 scan_read32(struct ssb_bus *bus, u8 current_coreidx,
u16 offset)
{
+ u32 lo, hi;
+
switch (bus->bustype) {
case SSB_BUSTYPE_SSB:
offset += current_coreidx * SSB_CORE_SIZE;
@@ -174,7 +174,12 @@ static u32 scan_read32(struct ssb_bus *bus, u8 current_coreidx,
offset -= 0x800;
} else
ssb_pcmcia_switch_segment(bus, 0);
- break;
+ lo = readw(bus->mmio + offset);
+ hi = readw(bus->mmio + offset + 2);
+ return lo | (hi << 16);
+ case SSB_BUSTYPE_SDIO:
+ offset += current_coreidx * SSB_CORE_SIZE;
+ return ssb_sdio_scan_read32(bus, offset);
}
return readl(bus->mmio + offset);
}
@@ -188,6 +193,8 @@ static int scan_switchcore(struct ssb_bus *bus, u8 coreidx)
return ssb_pci_switch_coreidx(bus, coreidx);
case SSB_BUSTYPE_PCMCIA:
return ssb_pcmcia_switch_coreidx(bus, coreidx);
+ case SSB_BUSTYPE_SDIO:
+ return ssb_sdio_scan_switch_coreidx(bus, coreidx);
}
return 0;
}
@@ -206,6 +213,8 @@ void ssb_iounmap(struct ssb_bus *bus)
SSB_BUG_ON(1); /* Can't reach this code. */
#endif
break;
+ case SSB_BUSTYPE_SDIO:
+ break;
}
bus->mmio = NULL;
bus->mapped_device = NULL;
@@ -230,6 +239,10 @@ static void __iomem *ssb_ioremap(struct ssb_bus *bus,
SSB_BUG_ON(1); /* Can't reach this code. */
#endif
break;
+ case SSB_BUSTYPE_SDIO:
+ /* Nothing to ioremap in the SDIO case, just fake it */
+ mmio = (void __iomem *)baseaddr;
+ break;
}
return mmio;
@@ -245,7 +258,10 @@ static int we_support_multiple_80211_cores(struct ssb_bus *bus)
#ifdef CONFIG_SSB_PCIHOST
if (bus->bustype == SSB_BUSTYPE_PCI) {
if (bus->host_pci->vendor == PCI_VENDOR_ID_BROADCOM &&
- bus->host_pci->device == 0x4324)
+ ((bus->host_pci->device == 0x4313) ||
+ (bus->host_pci->device == 0x431A) ||
+ (bus->host_pci->device == 0x4321) ||
+ (bus->host_pci->device == 0x4324)))
return 1;
}
#endif /* CONFIG_SSB_PCIHOST */
@@ -294,8 +310,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
} else {
if (bus->bustype == SSB_BUSTYPE_PCI) {
bus->chip_id = pcidev_to_chipid(bus->host_pci);
- pci_read_config_word(bus->host_pci, PCI_REVISION_ID,
- &bus->chip_rev);
+ bus->chip_rev = bus->host_pci->revision;
bus->chip_package = 0;
} else {
bus->chip_id = 0x4710;
@@ -303,12 +318,13 @@ int ssb_bus_scan(struct ssb_bus *bus,
bus->chip_package = 0;
}
}
+ ssb_info("Found chip with id 0x%04X, rev 0x%02X and package 0x%02X\n",
+ bus->chip_id, bus->chip_rev, bus->chip_package);
if (!bus->nr_devices)
bus->nr_devices = chipid_to_nrcores(bus->chip_id);
if (bus->nr_devices > ARRAY_SIZE(bus->devices)) {
- ssb_printk(KERN_ERR PFX
- "More than %d ssb cores found (%d)\n",
- SSB_MAX_NR_CORES, bus->nr_devices);
+ ssb_err("More than %d ssb cores found (%d)\n",
+ SSB_MAX_NR_CORES, bus->nr_devices);
goto err_unmap;
}
if (bus->bustype == SSB_BUSTYPE_SSB) {
@@ -339,7 +355,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
dev->bus = bus;
dev->ops = bus->ops;
- ssb_dprintk(KERN_INFO PFX
+ printk(KERN_DEBUG PFX
"Core %d found: %s "
"(cc 0x%03X, rev 0x%02X, vendor 0x%04X)\n",
i, ssb_core_name(dev->id.coreid),
@@ -350,8 +366,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
nr_80211_cores++;
if (nr_80211_cores > 1) {
if (!we_support_multiple_80211_cores(bus)) {
- ssb_dprintk(KERN_INFO PFX "Ignoring additional "
- "802.11 core\n");
+ ssb_dbg("Ignoring additional 802.11 core\n");
continue;
}
}
@@ -359,8 +374,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
case SSB_DEV_EXTIF:
#ifdef CONFIG_SSB_DRIVER_EXTIF
if (bus->extif.dev) {
- ssb_printk(KERN_WARNING PFX
- "WARNING: Multiple EXTIFs found\n");
+ ssb_warn("WARNING: Multiple EXTIFs found\n");
break;
}
bus->extif.dev = dev;
@@ -368,8 +382,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
break;
case SSB_DEV_CHIPCOMMON:
if (bus->chipco.dev) {
- ssb_printk(KERN_WARNING PFX
- "WARNING: Multiple ChipCommon found\n");
+ ssb_warn("WARNING: Multiple ChipCommon found\n");
break;
}
bus->chipco.dev = dev;
@@ -378,8 +391,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
case SSB_DEV_MIPS_3302:
#ifdef CONFIG_SSB_DRIVER_MIPS
if (bus->mipscore.dev) {
- ssb_printk(KERN_WARNING PFX
- "WARNING: Multiple MIPS cores found\n");
+ ssb_warn("WARNING: Multiple MIPS cores found\n");
break;
}
bus->mipscore.dev = dev;
@@ -392,21 +404,30 @@ int ssb_bus_scan(struct ssb_bus *bus,
/* Ignore PCI cores on PCI-E cards.
* Ignore PCI-E cores on PCI cards. */
if (dev->id.coreid == SSB_DEV_PCI) {
- if (bus->host_pci->is_pcie)
+ if (pci_is_pcie(bus->host_pci))
continue;
} else {
- if (!bus->host_pci->is_pcie)
+ if (!pci_is_pcie(bus->host_pci))
continue;
}
}
if (bus->pcicore.dev) {
- ssb_printk(KERN_WARNING PFX
- "WARNING: Multiple PCI(E) cores found\n");
+ ssb_warn("WARNING: Multiple PCI(E) cores found\n");
break;
}
bus->pcicore.dev = dev;
#endif /* CONFIG_SSB_DRIVER_PCICORE */
break;
+ case SSB_DEV_ETHERNET:
+ if (bus->bustype == SSB_BUSTYPE_PCI) {
+ if (bus->host_pci->vendor == PCI_VENDOR_ID_BROADCOM &&
+ (bus->host_pci->device & 0xFF00) == 0x4300) {
+ /* This is a dangling ethernet core on a
+ * wireless device. Ignore it. */
+ continue;
+ }
+ }
+ break;
default:
break;
}
diff --git a/drivers/ssb/sdio.c b/drivers/ssb/sdio.c
new file mode 100644
index 00000000000..b2d36f7736c
--- /dev/null
+++ b/drivers/ssb/sdio.c
@@ -0,0 +1,606 @@
+/*
+ * Sonics Silicon Backplane
+ * SDIO-Hostbus related functions
+ *
+ * Copyright 2009 Albert Herranz <albert_herranz@yahoo.es>
+ *
+ * Based on drivers/ssb/pcmcia.c
+ * Copyright 2006 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2007-2008 Michael Buesch <m@bues.ch>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ *
+ */
+
+#include <linux/ssb/ssb.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/etherdevice.h>
+#include <linux/mmc/sdio_func.h>
+
+#include "ssb_private.h"
+
+/* Define the following to 1 to enable a printk on each coreswitch. */
+#define SSB_VERBOSE_SDIOCORESWITCH_DEBUG 0
+
+
+/* Hardware invariants CIS tuples */
+#define SSB_SDIO_CIS 0x80
+#define SSB_SDIO_CIS_SROMREV 0x00
+#define SSB_SDIO_CIS_ID 0x01
+#define SSB_SDIO_CIS_BOARDREV 0x02
+#define SSB_SDIO_CIS_PA 0x03
+#define SSB_SDIO_CIS_PA_PA0B0_LO 0
+#define SSB_SDIO_CIS_PA_PA0B0_HI 1
+#define SSB_SDIO_CIS_PA_PA0B1_LO 2
+#define SSB_SDIO_CIS_PA_PA0B1_HI 3
+#define SSB_SDIO_CIS_PA_PA0B2_LO 4
+#define SSB_SDIO_CIS_PA_PA0B2_HI 5
+#define SSB_SDIO_CIS_PA_ITSSI 6
+#define SSB_SDIO_CIS_PA_MAXPOW 7
+#define SSB_SDIO_CIS_OEMNAME 0x04
+#define SSB_SDIO_CIS_CCODE 0x05
+#define SSB_SDIO_CIS_ANTENNA 0x06
+#define SSB_SDIO_CIS_ANTGAIN 0x07
+#define SSB_SDIO_CIS_BFLAGS 0x08
+#define SSB_SDIO_CIS_LEDS 0x09
+
+#define CISTPL_FUNCE_LAN_NODE_ID 0x04 /* same as in PCMCIA */
+
+
+/*
+ * Function 1 miscellaneous registers.
+ *
+ * Definitions match src/include/sbsdio.h from the
+ * Android Open Source Project
+ * http://android.git.kernel.org/?p=platform/system/wlan/broadcom.git
+ *
+ */
+#define SBSDIO_FUNC1_SBADDRLOW 0x1000a /* SB Address window Low (b15) */
+#define SBSDIO_FUNC1_SBADDRMID 0x1000b /* SB Address window Mid (b23-b16) */
+#define SBSDIO_FUNC1_SBADDRHIGH 0x1000c /* SB Address window High (b24-b31) */
+
+/* valid bits in SBSDIO_FUNC1_SBADDRxxx regs */
+#define SBSDIO_SBADDRLOW_MASK 0x80 /* Valid address bits in SBADDRLOW */
+#define SBSDIO_SBADDRMID_MASK 0xff /* Valid address bits in SBADDRMID */
+#define SBSDIO_SBADDRHIGH_MASK 0xff /* Valid address bits in SBADDRHIGH */
+
+#define SBSDIO_SB_OFT_ADDR_MASK 0x7FFF /* sb offset addr is <= 15 bits, 32k */
+
+/* REVISIT: this flag doesn't seem to matter */
+#define SBSDIO_SB_ACCESS_2_4B_FLAG 0x8000 /* forces 32-bit SB access */
+
+
+/*
+ * Address map within the SDIO function address space (128K).
+ *
+ * Start End Description
+ * ------- ------- ------------------------------------------
+ * 0x00000 0x0ffff selected backplane address window (64K)
+ * 0x10000 0x1ffff backplane control registers (max 64K)
+ *
+ * The current address window is configured by writing to registers
+ * SBADDRLOW, SBADDRMID and SBADDRHIGH.
+ *
+ * In order to access the contents of a 32-bit Silicon Backplane address
+ * the backplane address window must be first loaded with the highest
+ * 16 bits of the target address. Then, an access must be done to the
+ * SDIO function address space using the lower 15 bits of the address.
+ * Bit 15 of the address must be set when doing 32 bit accesses.
+ *
+ * 10987654321098765432109876543210
+ * WWWWWWWWWWWWWWWWW SB Address Window
+ * OOOOOOOOOOOOOOOO Offset within SB Address Window
+ * a 32-bit access flag
+ */
+
+
+/*
+ * SSB I/O via SDIO.
+ *
+ * NOTE: SDIO address @addr is 17 bits long (SDIO address space is 128K).
+ */
+
+static inline struct device *ssb_sdio_dev(struct ssb_bus *bus)
+{
+ return &bus->host_sdio->dev;
+}
+
+/* host claimed */
+static int ssb_sdio_writeb(struct ssb_bus *bus, unsigned int addr, u8 val)
+{
+ int error = 0;
+
+ sdio_writeb(bus->host_sdio, val, addr, &error);
+ if (unlikely(error)) {
+ dev_dbg(ssb_sdio_dev(bus), "%08X <- %02x, error %d\n",
+ addr, val, error);
+ }
+
+ return error;
+}
+
+#if 0
+static u8 ssb_sdio_readb(struct ssb_bus *bus, unsigned int addr)
+{
+ u8 val;
+ int error = 0;
+
+ val = sdio_readb(bus->host_sdio, addr, &error);
+ if (unlikely(error)) {
+ dev_dbg(ssb_sdio_dev(bus), "%08X -> %02x, error %d\n",
+ addr, val, error);
+ }
+
+ return val;
+}
+#endif
+
+/* host claimed */
+static int ssb_sdio_set_sbaddr_window(struct ssb_bus *bus, u32 address)
+{
+ int error;
+
+ error = ssb_sdio_writeb(bus, SBSDIO_FUNC1_SBADDRLOW,
+ (address >> 8) & SBSDIO_SBADDRLOW_MASK);
+ if (error)
+ goto out;
+ error = ssb_sdio_writeb(bus, SBSDIO_FUNC1_SBADDRMID,
+ (address >> 16) & SBSDIO_SBADDRMID_MASK);
+ if (error)
+ goto out;
+ error = ssb_sdio_writeb(bus, SBSDIO_FUNC1_SBADDRHIGH,
+ (address >> 24) & SBSDIO_SBADDRHIGH_MASK);
+ if (error)
+ goto out;
+ bus->sdio_sbaddr = address;
+out:
+ if (error) {
+ dev_dbg(ssb_sdio_dev(bus), "failed to set address window"
+ " to 0x%08x, error %d\n", address, error);
+ }
+
+ return error;
+}
+
+/* for enumeration use only */
+u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset)
+{
+ u32 val;
+ int error;
+
+ sdio_claim_host(bus->host_sdio);
+ val = sdio_readl(bus->host_sdio, offset, &error);
+ sdio_release_host(bus->host_sdio);
+ if (unlikely(error)) {
+ dev_dbg(ssb_sdio_dev(bus), "%04X:%04X > %08x, error %d\n",
+ bus->sdio_sbaddr >> 16, offset, val, error);
+ }
+
+ return val;
+}
+
+/* for enumeration use only */
+int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx)
+{
+ u32 sbaddr;
+ int error;
+
+ sbaddr = (coreidx * SSB_CORE_SIZE) + SSB_ENUM_BASE;
+ sdio_claim_host(bus->host_sdio);
+ error = ssb_sdio_set_sbaddr_window(bus, sbaddr);
+ sdio_release_host(bus->host_sdio);
+ if (error) {
+ dev_err(ssb_sdio_dev(bus), "failed to switch to core %u,"
+ " error %d\n", coreidx, error);
+ goto out;
+ }
+out:
+ return error;
+}
+
+/* host must be already claimed */
+int ssb_sdio_switch_core(struct ssb_bus *bus, struct ssb_device *dev)
+{
+ u8 coreidx = dev->core_index;
+ u32 sbaddr;
+ int error = 0;
+
+ sbaddr = (coreidx * SSB_CORE_SIZE) + SSB_ENUM_BASE;
+ if (unlikely(bus->sdio_sbaddr != sbaddr)) {
+#if SSB_VERBOSE_SDIOCORESWITCH_DEBUG
+ dev_info(ssb_sdio_dev(bus),
+ "switching to %s core, index %d\n",
+ ssb_core_name(dev->id.coreid), coreidx);
+#endif
+ error = ssb_sdio_set_sbaddr_window(bus, sbaddr);
+ if (error) {
+ dev_dbg(ssb_sdio_dev(bus), "failed to switch to"
+ " core %u, error %d\n", coreidx, error);
+ goto out;
+ }
+ bus->mapped_device = dev;
+ }
+
+out:
+ return error;
+}
+
+static u8 ssb_sdio_read8(struct ssb_device *dev, u16 offset)
+{
+ struct ssb_bus *bus = dev->bus;
+ u8 val = 0xff;
+ int error = 0;
+
+ sdio_claim_host(bus->host_sdio);
+ if (unlikely(ssb_sdio_switch_core(bus, dev)))
+ goto out;
+ offset |= bus->sdio_sbaddr & 0xffff;
+ offset &= SBSDIO_SB_OFT_ADDR_MASK;
+ val = sdio_readb(bus->host_sdio, offset, &error);
+ if (error) {
+ dev_dbg(ssb_sdio_dev(bus), "%04X:%04X > %02x, error %d\n",
+ bus->sdio_sbaddr >> 16, offset, val, error);
+ }
+out:
+ sdio_release_host(bus->host_sdio);
+
+ return val;
+}
+
+static u16 ssb_sdio_read16(struct ssb_device *dev, u16 offset)
+{
+ struct ssb_bus *bus = dev->bus;
+ u16 val = 0xffff;
+ int error = 0;
+
+ sdio_claim_host(bus->host_sdio);
+ if (unlikely(ssb_sdio_switch_core(bus, dev)))
+ goto out;
+ offset |= bus->sdio_sbaddr & 0xffff;
+ offset &= SBSDIO_SB_OFT_ADDR_MASK;
+ val = sdio_readw(bus->host_sdio, offset, &error);
+ if (error) {
+ dev_dbg(ssb_sdio_dev(bus), "%04X:%04X > %04x, error %d\n",
+ bus->sdio_sbaddr >> 16, offset, val, error);
+ }
+out:
+ sdio_release_host(bus->host_sdio);
+
+ return val;
+}
+
+static u32 ssb_sdio_read32(struct ssb_device *dev, u16 offset)
+{
+ struct ssb_bus *bus = dev->bus;
+ u32 val = 0xffffffff;
+ int error = 0;
+
+ sdio_claim_host(bus->host_sdio);
+ if (unlikely(ssb_sdio_switch_core(bus, dev)))
+ goto out;
+ offset |= bus->sdio_sbaddr & 0xffff;
+ offset &= SBSDIO_SB_OFT_ADDR_MASK;
+ offset |= SBSDIO_SB_ACCESS_2_4B_FLAG; /* 32 bit data access */
+ val = sdio_readl(bus->host_sdio, offset, &error);
+ if (error) {
+ dev_dbg(ssb_sdio_dev(bus), "%04X:%04X > %08x, error %d\n",
+ bus->sdio_sbaddr >> 16, offset, val, error);
+ }
+out:
+ sdio_release_host(bus->host_sdio);
+
+ return val;
+}
+
+#ifdef CONFIG_SSB_BLOCKIO
+static void ssb_sdio_block_read(struct ssb_device *dev, void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ size_t saved_count = count;
+ struct ssb_bus *bus = dev->bus;
+ int error = 0;
+
+ sdio_claim_host(bus->host_sdio);
+ if (unlikely(ssb_sdio_switch_core(bus, dev))) {
+ error = -EIO;
+ memset(buffer, 0xff, count);
+ goto err_out;
+ }
+ offset |= bus->sdio_sbaddr & 0xffff;
+ offset &= SBSDIO_SB_OFT_ADDR_MASK;
+
+ switch (reg_width) {
+ case sizeof(u8): {
+ error = sdio_readsb(bus->host_sdio, buffer, offset, count);
+ break;
+ }
+ case sizeof(u16): {
+ SSB_WARN_ON(count & 1);
+ error = sdio_readsb(bus->host_sdio, buffer, offset, count);
+ break;
+ }
+ case sizeof(u32): {
+ SSB_WARN_ON(count & 3);
+ offset |= SBSDIO_SB_ACCESS_2_4B_FLAG; /* 32 bit data access */
+ error = sdio_readsb(bus->host_sdio, buffer, offset, count);
+ break;
+ }
+ default:
+ SSB_WARN_ON(1);
+ }
+ if (!error)
+ goto out;
+
+err_out:
+ dev_dbg(ssb_sdio_dev(bus), "%04X:%04X (width=%u, len=%zu), error %d\n",
+ bus->sdio_sbaddr >> 16, offset, reg_width, saved_count, error);
+out:
+ sdio_release_host(bus->host_sdio);
+}
+#endif /* CONFIG_SSB_BLOCKIO */
+
+static void ssb_sdio_write8(struct ssb_device *dev, u16 offset, u8 val)
+{
+ struct ssb_bus *bus = dev->bus;
+ int error = 0;
+
+ sdio_claim_host(bus->host_sdio);
+ if (unlikely(ssb_sdio_switch_core(bus, dev)))
+ goto out;
+ offset |= bus->sdio_sbaddr & 0xffff;
+ offset &= SBSDIO_SB_OFT_ADDR_MASK;
+ sdio_writeb(bus->host_sdio, val, offset, &error);
+ if (error) {
+ dev_dbg(ssb_sdio_dev(bus), "%04X:%04X < %02x, error %d\n",
+ bus->sdio_sbaddr >> 16, offset, val, error);
+ }
+out:
+ sdio_release_host(bus->host_sdio);
+}
+
+static void ssb_sdio_write16(struct ssb_device *dev, u16 offset, u16 val)
+{
+ struct ssb_bus *bus = dev->bus;
+ int error = 0;
+
+ sdio_claim_host(bus->host_sdio);
+ if (unlikely(ssb_sdio_switch_core(bus, dev)))
+ goto out;
+ offset |= bus->sdio_sbaddr & 0xffff;
+ offset &= SBSDIO_SB_OFT_ADDR_MASK;
+ sdio_writew(bus->host_sdio, val, offset, &error);
+ if (error) {
+ dev_dbg(ssb_sdio_dev(bus), "%04X:%04X < %04x, error %d\n",
+ bus->sdio_sbaddr >> 16, offset, val, error);
+ }
+out:
+ sdio_release_host(bus->host_sdio);
+}
+
+static void ssb_sdio_write32(struct ssb_device *dev, u16 offset, u32 val)
+{
+ struct ssb_bus *bus = dev->bus;
+ int error = 0;
+
+ sdio_claim_host(bus->host_sdio);
+ if (unlikely(ssb_sdio_switch_core(bus, dev)))
+ goto out;
+ offset |= bus->sdio_sbaddr & 0xffff;
+ offset &= SBSDIO_SB_OFT_ADDR_MASK;
+ offset |= SBSDIO_SB_ACCESS_2_4B_FLAG; /* 32 bit data access */
+ sdio_writel(bus->host_sdio, val, offset, &error);
+ if (error) {
+ dev_dbg(ssb_sdio_dev(bus), "%04X:%04X < %08x, error %d\n",
+ bus->sdio_sbaddr >> 16, offset, val, error);
+ }
+ if (bus->quirks & SSB_QUIRK_SDIO_READ_AFTER_WRITE32)
+ sdio_readl(bus->host_sdio, 0, &error);
+out:
+ sdio_release_host(bus->host_sdio);
+}
+
+#ifdef CONFIG_SSB_BLOCKIO
+static void ssb_sdio_block_write(struct ssb_device *dev, const void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ size_t saved_count = count;
+ struct ssb_bus *bus = dev->bus;
+ int error = 0;
+
+ sdio_claim_host(bus->host_sdio);
+ if (unlikely(ssb_sdio_switch_core(bus, dev))) {
+ error = -EIO;
+ memset((void *)buffer, 0xff, count);
+ goto err_out;
+ }
+ offset |= bus->sdio_sbaddr & 0xffff;
+ offset &= SBSDIO_SB_OFT_ADDR_MASK;
+
+ switch (reg_width) {
+ case sizeof(u8):
+ error = sdio_writesb(bus->host_sdio, offset,
+ (void *)buffer, count);
+ break;
+ case sizeof(u16):
+ SSB_WARN_ON(count & 1);
+ error = sdio_writesb(bus->host_sdio, offset,
+ (void *)buffer, count);
+ break;
+ case sizeof(u32):
+ SSB_WARN_ON(count & 3);
+ offset |= SBSDIO_SB_ACCESS_2_4B_FLAG; /* 32 bit data access */
+ error = sdio_writesb(bus->host_sdio, offset,
+ (void *)buffer, count);
+ break;
+ default:
+ SSB_WARN_ON(1);
+ }
+ if (!error)
+ goto out;
+
+err_out:
+ dev_dbg(ssb_sdio_dev(bus), "%04X:%04X (width=%u, len=%zu), error %d\n",
+ bus->sdio_sbaddr >> 16, offset, reg_width, saved_count, error);
+out:
+ sdio_release_host(bus->host_sdio);
+}
+
+#endif /* CONFIG_SSB_BLOCKIO */
+
+/* Not "static", as it's used in main.c */
+const struct ssb_bus_ops ssb_sdio_ops = {
+ .read8 = ssb_sdio_read8,
+ .read16 = ssb_sdio_read16,
+ .read32 = ssb_sdio_read32,
+ .write8 = ssb_sdio_write8,
+ .write16 = ssb_sdio_write16,
+ .write32 = ssb_sdio_write32,
+#ifdef CONFIG_SSB_BLOCKIO
+ .block_read = ssb_sdio_block_read,
+ .block_write = ssb_sdio_block_write,
+#endif
+};
+
+#define GOTO_ERROR_ON(condition, description) do { \
+ if (unlikely(condition)) { \
+ error_description = description; \
+ goto error; \
+ } \
+ } while (0)
+
+int ssb_sdio_get_invariants(struct ssb_bus *bus,
+ struct ssb_init_invariants *iv)
+{
+ struct ssb_sprom *sprom = &iv->sprom;
+ struct ssb_boardinfo *bi = &iv->boardinfo;
+ const char *error_description = "none";
+ struct sdio_func_tuple *tuple;
+ void *mac;
+
+ memset(sprom, 0xFF, sizeof(*sprom));
+ sprom->boardflags_lo = 0;
+ sprom->boardflags_hi = 0;
+
+ tuple = bus->host_sdio->tuples;
+ while (tuple) {
+ switch (tuple->code) {
+ case 0x22: /* extended function */
+ switch (tuple->data[0]) {
+ case CISTPL_FUNCE_LAN_NODE_ID:
+ GOTO_ERROR_ON((tuple->size != 7) &&
+ (tuple->data[1] != 6),
+ "mac tpl size");
+ /* fetch the MAC address. */
+ mac = tuple->data + 2;
+ memcpy(sprom->il0mac, mac, ETH_ALEN);
+ memcpy(sprom->et1mac, mac, ETH_ALEN);
+ break;
+ default:
+ break;
+ }
+ break;
+ case 0x80: /* vendor specific tuple */
+ switch (tuple->data[0]) {
+ case SSB_SDIO_CIS_SROMREV:
+ GOTO_ERROR_ON(tuple->size != 2,
+ "sromrev tpl size");
+ sprom->revision = tuple->data[1];
+ break;
+ case SSB_SDIO_CIS_ID:
+ GOTO_ERROR_ON((tuple->size != 5) &&
+ (tuple->size != 7),
+ "id tpl size");
+ bi->vendor = tuple->data[1] |
+ (tuple->data[2]<<8);
+ break;
+ case SSB_SDIO_CIS_BOARDREV:
+ GOTO_ERROR_ON(tuple->size != 2,
+ "boardrev tpl size");
+ sprom->board_rev = tuple->data[1];
+ break;
+ case SSB_SDIO_CIS_PA:
+ GOTO_ERROR_ON((tuple->size != 9) &&
+ (tuple->size != 10),
+ "pa tpl size");
+ sprom->pa0b0 = tuple->data[1] |
+ ((u16)tuple->data[2] << 8);
+ sprom->pa0b1 = tuple->data[3] |
+ ((u16)tuple->data[4] << 8);
+ sprom->pa0b2 = tuple->data[5] |
+ ((u16)tuple->data[6] << 8);
+ sprom->itssi_a = tuple->data[7];
+ sprom->itssi_bg = tuple->data[7];
+ sprom->maxpwr_a = tuple->data[8];
+ sprom->maxpwr_bg = tuple->data[8];
+ break;
+ case SSB_SDIO_CIS_OEMNAME:
+ /* Not present */
+ break;
+ case SSB_SDIO_CIS_CCODE:
+ GOTO_ERROR_ON(tuple->size != 2,
+ "ccode tpl size");
+ sprom->country_code = tuple->data[1];
+ break;
+ case SSB_SDIO_CIS_ANTENNA:
+ GOTO_ERROR_ON(tuple->size != 2,
+ "ant tpl size");
+ sprom->ant_available_a = tuple->data[1];
+ sprom->ant_available_bg = tuple->data[1];
+ break;
+ case SSB_SDIO_CIS_ANTGAIN:
+ GOTO_ERROR_ON(tuple->size != 2,
+ "antg tpl size");
+ sprom->antenna_gain.a0 = tuple->data[1];
+ sprom->antenna_gain.a1 = tuple->data[1];
+ sprom->antenna_gain.a2 = tuple->data[1];
+ sprom->antenna_gain.a3 = tuple->data[1];
+ break;
+ case SSB_SDIO_CIS_BFLAGS:
+ GOTO_ERROR_ON((tuple->size != 3) &&
+ (tuple->size != 5),
+ "bfl tpl size");
+ sprom->boardflags_lo = tuple->data[1] |
+ ((u16)tuple->data[2] << 8);
+ break;
+ case SSB_SDIO_CIS_LEDS:
+ GOTO_ERROR_ON(tuple->size != 5,
+ "leds tpl size");
+ sprom->gpio0 = tuple->data[1];
+ sprom->gpio1 = tuple->data[2];
+ sprom->gpio2 = tuple->data[3];
+ sprom->gpio3 = tuple->data[4];
+ break;
+ default:
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ tuple = tuple->next;
+ }
+
+ return 0;
+error:
+ dev_err(ssb_sdio_dev(bus), "failed to fetch device invariants: %s\n",
+ error_description);
+ return -ENODEV;
+}
+
+void ssb_sdio_exit(struct ssb_bus *bus)
+{
+ if (bus->bustype != SSB_BUSTYPE_SDIO)
+ return;
+ /* Nothing to do here. */
+}
+
+int ssb_sdio_init(struct ssb_bus *bus)
+{
+ if (bus->bustype != SSB_BUSTYPE_SDIO)
+ return 0;
+
+ bus->sdio_sbaddr = ~0;
+
+ return 0;
+}
diff --git a/drivers/ssb/sprom.c b/drivers/ssb/sprom.c
new file mode 100644
index 00000000000..e753fbe302a
--- /dev/null
+++ b/drivers/ssb/sprom.c
@@ -0,0 +1,200 @@
+/*
+ * Sonics Silicon Backplane
+ * Common SPROM support routines
+ *
+ * Copyright (C) 2005-2008 Michael Buesch <m@bues.ch>
+ * 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"
+
+#include <linux/ctype.h>
+#include <linux/slab.h>
+
+
+static int(*get_fallback_sprom)(struct ssb_bus *dev, struct ssb_sprom *out);
+
+
+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 c, tmp[5] = { 0 };
+ int err, cnt = 0;
+ unsigned long parsed;
+
+ /* Strip whitespace at the end. */
+ while (len) {
+ c = dump[len - 1];
+ if (!isspace(c) && c != '\0')
+ break;
+ len--;
+ }
+ /* Length must match exactly. */
+ if (len != sprom_size_words * 4)
+ return -EINVAL;
+
+ while (cnt < sprom_size_words) {
+ memcpy(tmp, dump, 4);
+ dump += 4;
+ err = kstrtoul(tmp, 16, &parsed);
+ if (err)
+ return err;
+ 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;
+ struct ssb_freeze_context freeze;
+
+ 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, &freeze);
+ if (err) {
+ ssb_err("SPROM write: Could not freeze all devices\n");
+ goto out_unlock;
+ }
+ res = sprom_write(bus, sprom);
+ err = ssb_devices_thaw(&freeze);
+ if (err)
+ ssb_err("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;
+}
+
+/**
+ * ssb_arch_register_fallback_sprom - Registers a method providing a
+ * fallback SPROM if no SPROM is found.
+ *
+ * @sprom_callback: The callback function.
+ *
+ * With this function the architecture implementation may register a
+ * callback handler which fills the SPROM data structure. The fallback is
+ * only used for PCI based SSB devices, where no valid SPROM can be found
+ * in the shadow registers.
+ *
+ * This function is useful for weird architectures that have a half-assed
+ * SSB device hardwired to their PCI bus.
+ *
+ * Note that it does only work with PCI attached SSB devices. PCMCIA
+ * devices currently don't use this fallback.
+ * Architectures must provide the SPROM for native SSB devices anyway, so
+ * the fallback also isn't used for native devices.
+ *
+ * This function is available for architecture code, only. So it is not
+ * exported.
+ */
+int ssb_arch_register_fallback_sprom(int (*sprom_callback)(struct ssb_bus *bus,
+ struct ssb_sprom *out))
+{
+ if (get_fallback_sprom)
+ return -EEXIST;
+ get_fallback_sprom = sprom_callback;
+
+ return 0;
+}
+
+int ssb_fill_sprom_with_fallback(struct ssb_bus *bus, struct ssb_sprom *out)
+{
+ if (!get_fallback_sprom)
+ return -ENOENT;
+
+ return get_fallback_sprom(bus, out);
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/IsSpromAvailable */
+bool ssb_is_sprom_available(struct ssb_bus *bus)
+{
+ /* status register only exists on chipcomon rev >= 11 and we need check
+ for >= 31 only */
+ /* this routine differs from specs as we do not access SPROM directly
+ on PCMCIA */
+ if (bus->bustype == SSB_BUSTYPE_PCI &&
+ bus->chipco.dev && /* can be unavailable! */
+ bus->chipco.dev->id.revision >= 31)
+ return bus->chipco.capabilities & SSB_CHIPCO_CAP_SPROM;
+
+ return true;
+}
diff --git a/drivers/ssb/ssb_private.h b/drivers/ssb/ssb_private.h
index 21eca2b5118..eb507a50a56 100644
--- a/drivers/ssb/ssb_private.h
+++ b/drivers/ssb/ssb_private.h
@@ -3,21 +3,33 @@
#include <linux/ssb/ssb.h>
#include <linux/types.h>
+#include <linux/bcm47xx_wdt.h>
#define PFX "ssb: "
#ifdef CONFIG_SSB_SILENT
-# define ssb_printk(fmt, x...) do { /* nothing */ } while (0)
+# define ssb_printk(fmt, ...) \
+ do { if (0) printk(fmt, ##__VA_ARGS__); } while (0)
#else
-# define ssb_printk printk
+# define ssb_printk(fmt, ...) \
+ printk(fmt, ##__VA_ARGS__)
#endif /* CONFIG_SSB_SILENT */
+#define ssb_emerg(fmt, ...) ssb_printk(KERN_EMERG PFX fmt, ##__VA_ARGS__)
+#define ssb_err(fmt, ...) ssb_printk(KERN_ERR PFX fmt, ##__VA_ARGS__)
+#define ssb_warn(fmt, ...) ssb_printk(KERN_WARNING PFX fmt, ##__VA_ARGS__)
+#define ssb_notice(fmt, ...) ssb_printk(KERN_NOTICE PFX fmt, ##__VA_ARGS__)
+#define ssb_info(fmt, ...) ssb_printk(KERN_INFO PFX fmt, ##__VA_ARGS__)
+#define ssb_cont(fmt, ...) ssb_printk(KERN_CONT fmt, ##__VA_ARGS__)
+
/* dprintk: Debugging printk; vanishes for non-debug compilation */
#ifdef CONFIG_SSB_DEBUG
-# define ssb_dprintk(fmt, x...) ssb_printk(fmt , ##x)
+# define ssb_dbg(fmt, ...) \
+ ssb_printk(KERN_DEBUG PFX fmt, ##__VA_ARGS__)
#else
-# define ssb_dprintk(fmt, x...) do { /* nothing */ } while (0)
+# define ssb_dbg(fmt, ...) \
+ do { if (0) printk(KERN_DEBUG PFX fmt, ##__VA_ARGS__); } while (0)
#endif
#ifdef CONFIG_SSB_DEBUG
@@ -81,6 +93,8 @@ 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 */
@@ -99,12 +113,59 @@ 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;
}
#endif /* CONFIG_SSB_PCMCIAHOST */
+/* sdio.c */
+#ifdef CONFIG_SSB_SDIOHOST
+extern int ssb_sdio_get_invariants(struct ssb_bus *bus,
+ struct ssb_init_invariants *iv);
+
+extern u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset);
+extern int ssb_sdio_switch_core(struct ssb_bus *bus, struct ssb_device *dev);
+extern int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx);
+extern int ssb_sdio_hardware_setup(struct ssb_bus *bus);
+extern void ssb_sdio_exit(struct ssb_bus *bus);
+extern int ssb_sdio_init(struct ssb_bus *bus);
+
+extern const struct ssb_bus_ops ssb_sdio_ops;
+#else /* CONFIG_SSB_SDIOHOST */
+static inline u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset)
+{
+ return 0;
+}
+static inline int ssb_sdio_switch_core(struct ssb_bus *bus,
+ struct ssb_device *dev)
+{
+ return 0;
+}
+static inline int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx)
+{
+ return 0;
+}
+static inline int ssb_sdio_hardware_setup(struct ssb_bus *bus)
+{
+ return 0;
+}
+static inline void ssb_sdio_exit(struct ssb_bus *bus)
+{
+}
+static inline int ssb_sdio_init(struct ssb_bus *bus)
+{
+ return 0;
+}
+#endif /* CONFIG_SSB_SDIOHOST */
+
/* scan.c */
extern const char *ssb_core_name(u16 coreid);
@@ -113,17 +174,42 @@ 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));
+extern int ssb_fill_sprom_with_fallback(struct ssb_bus *bus,
+ struct ssb_sprom *out);
+
+
/* 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);
+
+struct ssb_freeze_context {
+ /* Pointer to the bus */
+ struct ssb_bus *bus;
+ /* Boolean list to indicate whether a device is frozen on this bus. */
+ bool device_frozen[SSB_MAX_NR_CORES];
+};
+extern int ssb_devices_freeze(struct ssb_bus *bus, struct ssb_freeze_context *ctx);
+extern int ssb_devices_thaw(struct ssb_freeze_context *ctx);
+
+
/* b43_pci_bridge.c */
#ifdef CONFIG_SSB_B43_PCI_BRIDGE
extern int __init b43_pci_ssb_bridge_init(void);
extern void __exit b43_pci_ssb_bridge_exit(void);
-#else /* CONFIG_SSB_B43_PCI_BRIDGR */
+#else /* CONFIG_SSB_B43_PCI_BRIDGE */
static inline int b43_pci_ssb_bridge_init(void)
{
return 0;
@@ -131,6 +217,81 @@ static inline int b43_pci_ssb_bridge_init(void)
static inline void b43_pci_ssb_bridge_exit(void)
{
}
-#endif /* CONFIG_SSB_PCIHOST */
+#endif /* CONFIG_SSB_B43_PCI_BRIDGE */
+
+/* driver_chipcommon_pmu.c */
+extern u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc);
+extern u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc);
+extern u32 ssb_pmu_get_alp_clock(struct ssb_chipcommon *cc);
+
+extern u32 ssb_chipco_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt,
+ u32 ticks);
+extern u32 ssb_chipco_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms);
+
+/* driver_chipcommon_sflash.c */
+#ifdef CONFIG_SSB_SFLASH
+int ssb_sflash_init(struct ssb_chipcommon *cc);
+#else
+static inline int ssb_sflash_init(struct ssb_chipcommon *cc)
+{
+ pr_err("Serial flash not supported\n");
+ return 0;
+}
+#endif /* CONFIG_SSB_SFLASH */
+
+#ifdef CONFIG_SSB_DRIVER_MIPS
+extern struct platform_device ssb_pflash_dev;
+#endif
+
+#ifdef CONFIG_SSB_SFLASH
+extern struct platform_device ssb_sflash_dev;
+#endif
+
+#ifdef CONFIG_SSB_DRIVER_EXTIF
+extern u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks);
+extern u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms);
+#else
+static inline u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt,
+ u32 ticks)
+{
+ return 0;
+}
+static inline u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt,
+ u32 ms)
+{
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_SSB_EMBEDDED
+extern int ssb_watchdog_register(struct ssb_bus *bus);
+#else /* CONFIG_SSB_EMBEDDED */
+static inline int ssb_watchdog_register(struct ssb_bus *bus)
+{
+ return 0;
+}
+#endif /* CONFIG_SSB_EMBEDDED */
+
+#ifdef CONFIG_SSB_DRIVER_EXTIF
+extern void ssb_extif_init(struct ssb_extif *extif);
+#else
+static inline void ssb_extif_init(struct ssb_extif *extif)
+{
+}
+#endif
+
+#ifdef CONFIG_SSB_DRIVER_GPIO
+extern int ssb_gpio_init(struct ssb_bus *bus);
+extern int ssb_gpio_unregister(struct ssb_bus *bus);
+#else /* CONFIG_SSB_DRIVER_GPIO */
+static inline int ssb_gpio_init(struct ssb_bus *bus)
+{
+ return -ENOTSUPP;
+}
+static inline int ssb_gpio_unregister(struct ssb_bus *bus)
+{
+ return 0;
+}
+#endif /* CONFIG_SSB_DRIVER_GPIO */
#endif /* LINUX_SSB_PRIVATE_H_ */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 06:25:55 +0000