Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[karo-tx-linux.git] / drivers / bcma / driver_chipcommon_pmu.c

diff --git a/drivers/bcma/driver_chipcommon_pmu.c b/drivers/bcma/driver_chipcommon_pmu.c
index 5940c81e7e1274d3feca3eeff84d64b40acf727d..2968d809d49f8357cae15ef644cdd5a81cbe0a5a 100644 (file)
--- a/drivers/bcma/driver_chipcommon_pmu.c
+++ b/drivers/bcma/driver_chipcommon_pmu.c
@@ -18,20 +18,40 @@ static u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset)
        return bcma_cc_read32(cc, BCMA_CC_PLLCTL_DATA);
 }
 
-static void bcma_chipco_chipctl_maskset(struct bcma_drv_cc *cc,
-                                       u32 offset, u32 mask, u32 set)
+void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset, u32 value)
 {
-       u32 value;
+       bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
+       bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
+       bcma_cc_write32(cc, BCMA_CC_PLLCTL_DATA, value);
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_pll_write);
 
-       bcma_cc_read32(cc, BCMA_CC_CHIPCTL_ADDR);
+void bcma_chipco_pll_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
+                            u32 set)
+{
+       bcma_cc_write32(cc, BCMA_CC_PLLCTL_ADDR, offset);
+       bcma_cc_read32(cc, BCMA_CC_PLLCTL_ADDR);
+       bcma_cc_maskset32(cc, BCMA_CC_PLLCTL_DATA, mask, set);
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_pll_maskset);
+
+void bcma_chipco_chipctl_maskset(struct bcma_drv_cc *cc,
+                                u32 offset, u32 mask, u32 set)
+{
        bcma_cc_write32(cc, BCMA_CC_CHIPCTL_ADDR, offset);
        bcma_cc_read32(cc, BCMA_CC_CHIPCTL_ADDR);
-       value = bcma_cc_read32(cc, BCMA_CC_CHIPCTL_DATA);
-       value &= mask;
-       value |= set;
-       bcma_cc_write32(cc, BCMA_CC_CHIPCTL_DATA, value);
-       bcma_cc_read32(cc, BCMA_CC_CHIPCTL_DATA);
+       bcma_cc_maskset32(cc, BCMA_CC_CHIPCTL_DATA, mask, set);
 }
+EXPORT_SYMBOL_GPL(bcma_chipco_chipctl_maskset);
+
+void bcma_chipco_regctl_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
+                               u32 set)
+{
+       bcma_cc_write32(cc, BCMA_CC_REGCTL_ADDR, offset);
+       bcma_cc_read32(cc, BCMA_CC_REGCTL_ADDR);
+       bcma_cc_maskset32(cc, BCMA_CC_REGCTL_DATA, mask, set);
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_regctl_maskset);
 
 static void bcma_pmu_pll_init(struct bcma_drv_cc *cc)
 {
@@ -90,6 +110,24 @@ void bcma_pmu_swreg_init(struct bcma_drv_cc *cc)
        }
 }
 
+/* Disable to allow reading SPROM. Don't know the adventages of enabling it. */
+void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable)
+{
+       struct bcma_bus *bus = cc->core->bus;
+       u32 val;
+
+       val = bcma_cc_read32(cc, BCMA_CC_CHIPCTL);
+       if (enable) {
+               val |= BCMA_CHIPCTL_4331_EXTPA_EN;
+               if (bus->chipinfo.pkg == 9 || bus->chipinfo.pkg == 11)
+                       val |= BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
+       } else {
+               val &= ~BCMA_CHIPCTL_4331_EXTPA_EN;
+               val &= ~BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
+       }
+       bcma_cc_write32(cc, BCMA_CC_CHIPCTL, val);
+}
+
 void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
 {
        struct bcma_bus *bus = cc->core->bus;
@@ -99,7 +137,7 @@ void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
                bcma_chipco_chipctl_maskset(cc, 0, ~0, 0x7);
                break;
        case 0x4331:
-               pr_err("Enabling Ext PA lines not implemented\n");
+               /* BCM4331 workaround is SPROM-related, we put it in sprom.c */
                break;
        case 43224:
                if (bus->chipinfo.rev == 0) {