From 424b094ce83e6c9ae577cef22e86054cc2d945a5 Mon Sep 17 00:00:00 2001 From: Fergus Noble Date: Mon, 12 Sep 2011 18:25:11 -0700 Subject: Renaming lib code for stm32 f1 series. --- lib/stm32f1/ethernet.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 lib/stm32f1/ethernet.c (limited to 'lib/stm32f1/ethernet.c') diff --git a/lib/stm32f1/ethernet.c b/lib/stm32f1/ethernet.c new file mode 100644 index 0000000..4a4d080 --- /dev/null +++ b/lib/stm32f1/ethernet.c @@ -0,0 +1,53 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2010 Gareth McMullin + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include + +void eth_smi_write(u8 phy, u8 reg, u16 data) +{ + /* Set PHY and register addresses for write access. */ + ETH_MACMIIAR &= ~(ETH_MACMIIAR_MR | ETH_MACMIIAR_PA); + ETH_MACMIIAR |= (phy << 11) | (reg << 6) | ETH_MACMIIAR_MW; + + /* Set register value. */ + ETH_MACMIIDR = data; + + /* Begin transaction. */ + ETH_MACMIIAR |= ETH_MACMIIAR_MB; + + /* Wait for not busy. */ + while (ETH_MACMIIAR & ETH_MACMIIAR_MB); +} + +u16 eth_smi_read(u8 phy, u8 reg) +{ + /* Set PHY and register addresses for write access. */ + ETH_MACMIIAR &= ~(ETH_MACMIIAR_MR | ETH_MACMIIAR_PA | + ETH_MACMIIAR_MW); + ETH_MACMIIAR |= (phy << 11) | (reg << 6); + + /* Begin transaction. */ + ETH_MACMIIAR |= ETH_MACMIIAR_MB; + + /* Wait for not busy. */ + while (ETH_MACMIIAR & ETH_MACMIIAR_MB); + + /* Set register value. */ + return (u16)(ETH_MACMIIDR); +} -- cgit v1.2.3