diff options
Diffstat (limited to 'drivers/net/phy/mdio-mux-bcm-iproc.c')
| -rw-r--r-- | drivers/net/phy/mdio-mux-bcm-iproc.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/net/phy/mdio-mux-bcm-iproc.c b/drivers/net/phy/mdio-mux-bcm-iproc.c index 0c5b68e7da51..9b3167054843 100644 --- a/drivers/net/phy/mdio-mux-bcm-iproc.c +++ b/drivers/net/phy/mdio-mux-bcm-iproc.c @@ -22,7 +22,7 @@ #include <linux/mdio-mux.h> #include <linux/delay.h> -#define MDIO_PARAM_OFFSET 0x00 +#define MDIO_PARAM_OFFSET 0x23c #define MDIO_PARAM_MIIM_CYCLE 29 #define MDIO_PARAM_INTERNAL_SEL 25 #define MDIO_PARAM_BUS_ID 22 @@ -30,20 +30,22 @@ #define MDIO_PARAM_PHY_ID 16 #define MDIO_PARAM_PHY_DATA 0 -#define MDIO_READ_OFFSET 0x04 +#define MDIO_READ_OFFSET 0x240 #define MDIO_READ_DATA_MASK 0xffff -#define MDIO_ADDR_OFFSET 0x08 +#define MDIO_ADDR_OFFSET 0x244 -#define MDIO_CTRL_OFFSET 0x0C +#define MDIO_CTRL_OFFSET 0x248 #define MDIO_CTRL_WRITE_OP 0x1 #define MDIO_CTRL_READ_OP 0x2 -#define MDIO_STAT_OFFSET 0x10 +#define MDIO_STAT_OFFSET 0x24c #define MDIO_STAT_DONE 1 #define BUS_MAX_ADDR 32 #define EXT_BUS_START_ADDR 16 +#define MDIO_REG_ADDR_SPACE_SIZE 0x250 + struct iproc_mdiomux_desc { void *mux_handle; void __iomem *base; @@ -169,6 +171,14 @@ static int mdio_mux_iproc_probe(struct platform_device *pdev) md->dev = &pdev->dev; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res->start & 0xfff) { + /* For backward compatibility in case the + * base address is specified with an offset. + */ + dev_info(&pdev->dev, "fix base address in dt-blob\n"); + res->start &= ~0xfff; + res->end = res->start + MDIO_REG_ADDR_SPACE_SIZE - 1; + } md->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(md->base)) { dev_err(&pdev->dev, "failed to ioremap register\n"); |