bcma: define ChipCommon B MII registers

We don't have access to datasheets to document all the bits but we can
name these registers at least.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

2 files changed, 8 insertions, 4 deletions

diff --git a/drivers/bcma/driver_chipcommon_b.c b/drivers/bcma/driver_chipcommon_b.c
index c20b5f4ff290..57f10b58b47c 100644
--- a/drivers/bcma/driver_chipcommon_b.c
+++ b/drivers/bcma/driver_chipcommon_b.c
@@ -33,11 +33,12 @@ static bool bcma_wait_reg(struct bcma_bus *bus, void __iomem *addr, u32 mask,
 void bcma_chipco_b_mii_write(struct bcma_drv_cc_b *ccb, u32 offset, u32 value)
 {
         struct bcma_bus *bus = ccb->core->bus;
+        void __iomem *mii = ccb->mii;
 
-        writel(offset, ccb->mii + 0x00);
-        bcma_wait_reg(bus, ccb->mii + 0x00, 0x0100, 0x0000, 100);
-        writel(value, ccb->mii + 0x04);
-        bcma_wait_reg(bus, ccb->mii + 0x00, 0x0100, 0x0000, 100);
+        writel(offset, mii + BCMA_CCB_MII_MNG_CTL);
+        bcma_wait_reg(bus, mii + BCMA_CCB_MII_MNG_CTL, 0x0100, 0x0000, 100);
+        writel(value, mii + BCMA_CCB_MII_MNG_CMD_DATA);
+        bcma_wait_reg(bus, mii + BCMA_CCB_MII_MNG_CTL, 0x0100, 0x0000, 100);
 }
 EXPORT_SYMBOL_GPL(bcma_chipco_b_mii_write);
 
diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h
index a5ac2cad5cb7..b20e3d56253f 100644
--- a/include/linux/bcma/bcma_driver_chipcommon.h
+++ b/include/linux/bcma/bcma_driver_chipcommon.h
@@ -504,6 +504,9 @@
 #define BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_MASK     0x1ff00000
 #define BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_SHIFT    20
 
+#define BCMA_CCB_MII_MNG_CTL            0x0000
+#define BCMA_CCB_MII_MNG_CMD_DATA       0x0004
+
 /* BCM4331 ChipControl numbers. */
 #define BCMA_CHIPCTL_4331_BT_COEXIST            BIT(0)  /* 0 disable */
 #define BCMA_CHIPCTL_4331_SECI                  BIT(1)  /* 0 SECI is disabled (JATG functional) */