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Merged in jjlange/nuttx/lpc17_ethupdates (pull request #847) 

Added support for KSZ8081RNA PHY to LPC17xx Ethernet driver.

* Added support for KSZ8081RNA PHY to LPC17xx Ethernet driver.

* Updated PHY error message

Approved-by: Gregory Nutt <gnutt@nuttx.org>
This commit is contained in:
jjlange 2019-04-04 23:21:09 +00:00 committed by Gregory Nutt
parent 880029d994
commit b50452301d
1 changed files with 28 additions and 1 deletions
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29
arch/arm/src/lpc17xx/lpc17_ethernet.c
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@ -199,6 +199,11 @@
# define LPC17_PHYID1 MII_PHYID1_LAN8720
# define LPC17_PHYID2 MII_PHYID2_LAN8720
# define LPC17_HAVE_PHY 1
#elif defined(CONFIG_ETH0_PHY_KSZ8081)
# define LPC17_PHYNAME "KSZ8081"
# define LPC17_PHYID1 MII_PHYID1_KSZ8081
# define LPC17_PHYID2 MII_PHYID2_KSZ8081
# define LPC17_HAVE_PHY 1
#else
# warning "No PHY specified!"
# undef LPC17_HAVE_PHY
@ -2436,7 +2441,7 @@ static inline int lpc17_phyinit(struct lpc17_driver_s *priv)
* latches different at different addresses.
*/
for (phyaddr = 1; phyaddr < 32; phyaddr++)
for (phyaddr = 0; phyaddr < 32; phyaddr++)
{
/* Check if we can see the selected device ID at this
* PHY address.
@ -2587,7 +2592,29 @@ static inline int lpc17_phyinit(struct lpc17_driver_s *priv)
nerr("ERROR: Unrecognized mode: %04x\n", phyreg);
return -ENODEV;
}
#elif defined(CONFIG_ETH0_PHY_KSZ8081)
phyreg = lpc17_phyread(phyaddr, MII_KSZ8081_PHYCTRL1);
switch (phyreg & MII_PHYCTRL1_MODE_MASK)
{
case MII_PHYCTRL1_MODE_10HDX: /* 10BASE-T half duplex */
priv->lp_mode = LPC17_10BASET_HD;
lpc17_putreg(0, LPC17_ETH_SUPP);
break;
case MII_PHYCTRL1_MODE_100HDX: /* 100BASE-T half duplex */
priv->lp_mode = LPC17_100BASET_HD;
break;
case MII_PHYCTRL1_MODE_10FDX: /* 10BASE-T full duplex */
priv->lp_mode = LPC17_10BASET_FD;
lpc17_putreg(0, LPC17_ETH_SUPP);
break;
case MII_PHYCTRL1_MODE_100FDX: /* 100BASE-T full duplex */
priv->lp_mode = LPC17_100BASET_FD;
break;
default:
nerr("ERROR: Unrecognized mode: %04x\n", phyreg);
return -ENODEV;
}
#elif defined(CONFIG_ETH0_PHY_DP83848C)
phyreg = lpc17_phyread(phyaddr, MII_DP83848C_STS);