diff options
Diffstat (limited to 'drivers/bcma')
| -rw-r--r-- | drivers/bcma/Kconfig | 11 | ||||
| -rw-r--r-- | drivers/bcma/driver_chipcommon_b.c | 9 |
2 files changed, 14 insertions, 6 deletions
diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig index efdc2ae84..b5c48a8d4 100644 --- a/drivers/bcma/Kconfig +++ b/drivers/bcma/Kconfig @@ -76,9 +76,16 @@ config BCMA_PFLASH default y config BCMA_SFLASH - bool - depends on BCMA_DRIVER_MIPS + bool "ChipCommon-attached serial flash support" + depends on BCMA_HOST_SOC default y + help + Some cheap devices have serial flash connected to the ChipCommon + instead of independent SPI controller. It requires using a separated + driver that implements ChipCommon specific interface communication. + + Enabling this symbol will let bcma recognize serial flash and register + it as platform device. config BCMA_NFLASH bool diff --git a/drivers/bcma/driver_chipcommon_b.c b/drivers/bcma/driver_chipcommon_b.c index c20b5f4ff..57f10b58b 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); |