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path: root/drivers/ssb/main.c
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Diffstat (limited to 'drivers/ssb/main.c')
-rw-r--r--drivers/ssb/main.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index ad3da93a428c..f8a13f863217 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -1329,6 +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;