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[exanic] Power up optical PHYs (if present)

Modified-by: Michael Brown <mcb30@ipxe.org>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Peter von Konigsmark 2017-09-06 00:06:42 +01:00 committed by Michael Brown
parent af02a8d071
commit f756fd78f7
2 changed files with 7 additions and 0 deletions

View File

@ -812,6 +812,9 @@ static int exanic_probe ( struct pci_device *pci ) {
/* Read capabilities */
exanic->caps = readl ( exanic->regs + EXANIC_CAPS );
/* Power up PHYs */
writel ( EXANIC_POWER_ON, ( exanic->regs + EXANIC_POWER ) );
/* Fetch base MAC address */
if ( ( rc = exanic_fetch_mac ( exanic ) ) != 0 )
goto err_fetch_mac;

View File

@ -62,6 +62,10 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
/** I2C GPIO register */
#define EXANIC_I2C 0x012c
/** Power control register */
#define EXANIC_POWER 0x0138
#define EXANIC_POWER_ON 0x000000f0UL /**< Power on PHYs */
/** Port register offset */
#define EXANIC_PORT_REGS( index ) ( 0x0200 + ( 0x40 * (index) ) )