diff options
Diffstat (limited to 'drivers/ssb/main.c')
-rw-r--r-- | drivers/ssb/main.c | 54 |
1 files changed, 42 insertions, 12 deletions
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index e05ba6e..f8a13f8 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -1117,23 +1117,22 @@ 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); } - 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) @@ -1309,20 +1308,20 @@ 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"); @@ -1330,6 +1329,37 @@ error: } 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; |