leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

r6040: define and use bits of register PHY_CC

Browse Source 
Define and use the bits of the PHY_CC (status change configuration) register.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2012-04-11 07:18:42 +00:00 committed by David S. Miller
parent 940ff7ed0e
commit 31171aec23
1 changed files with 10 additions and 2 deletions

12
drivers/net/ethernet/rdc/r6040.c
View File

@ -128,6 +128,9 @@
#define MID_3M 0x82 /* MID3 Medium */
#define MID_3H 0x84 /* MID3 High */
#define PHY_CC 0x88 /* PHY status change configuration register */
#define SCEN 0x8000 /* PHY status change enable */
#define PHYAD_SHIFT 8 /* PHY address shift */
#define TMRDIV_SHIFT 0 /* Timer divider shift */
#define PHY_ST 0x8A /* PHY status register */
#define MAC_SM 0xAC /* MAC status machine */
#define MAC_SM_RST 0x0002 /* MAC status machine reset */
@ -1132,10 +1135,15 @@ static int __devinit r6040_init_one(struct pci_dev *pdev,
err = -EIO;
goto err_out_free_res;
}
/* If PHY status change register is still set to zero it means the
* bootloader didn't initialize it */
* bootloader didn't initialize it, so we set it to:
* - enable phy status change
* - enable all phy addresses
* - set to lowest timer divider */
if (ioread16(ioaddr + PHY_CC) == 0)
iowrite16(0x9f07, ioaddr + PHY_CC);
iowrite16(SCEN | PHY_MAX_ADDR << PHYAD_SHIFT |
7 << TMRDIV_SHIFT, ioaddr + PHY_CC);
/* Init system & device */
lp->base = ioaddr;