Browse Source

Register definitions for the STM32F107 Ethernet.

Thanks to Gareth McMullin <gareth@blacksphere.co.nz>.
pull/2/head
Uwe Hermann 14 years ago
parent
commit
4ef35380e8
  1. 203
      include/libopenstm32/ethernet.h
  2. 53
      lib/ethernet.c

203
include/libopenstm32/ethernet.h

@ -0,0 +1,203 @@
/*
* This file is part of the libopenstm32 project.
*
* Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
*
* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef LIBOPENSTM32_ETHERNET_H
#define LIBOPENSTM32_ETHERNET_H
#include <libopenstm32/memorymap.h>
#include <libopenstm32/common.h>
/* Ethernet MAC registers */
#define ETH_MACCR MMIO32(ETHERNET_BASE + 0x00)
#define ETH_MACFFR MMIO32(ETHERNET_BASE + 0x04)
#define ETH_MACHTHR MMIO32(ETHERNET_BASE + 0x08)
#define ETH_MACHTLR MMIO32(ETHERNET_BASE + 0x0C)
#define ETH_MACMIIAR MMIO32(ETHERNET_BASE + 0x10)
#define ETH_MACMIIDR MMIO32(ETHERNET_BASE + 0x14)
#define ETH_MACFCR MMIO32(ETHERNET_BASE + 0x18)
#define ETH_MACVLANTR MMIO32(ETHERNET_BASE + 0x1C)
#define ETH_MACRWUFFR MMIO32(ETHERNET_BASE + 0x28)
#define ETH_MACPMTCSR MMIO32(ETHERNET_BASE + 0x2C)
#define ETH_MACSR MMIO32(ETHERNET_BASE + 0x38)
#define ETH_MACIMR MMIO32(ETHERNET_BASE + 0x3C)
#define ETH_MACA0HR MMIO32(ETHERNET_BASE + 0x40)
#define ETH_MACA0LR MMIO32(ETHERNET_BASE + 0x44)
#define ETH_MACA1HR MMIO32(ETHERNET_BASE + 0x48)
#define ETH_MACA1LR MMIO32(ETHERNET_BASE + 0x4C)
#define ETH_MACA2HR MMIO32(ETHERNET_BASE + 0x50)
#define ETH_MACA2LR MMIO32(ETHERNET_BASE + 0x54)
#define ETH_MACA3HR MMIO32(ETHERNET_BASE + 0x58)
#define ETH_MACA3LR MMIO32(ETHERNET_BASE + 0x5C)
/* Ethernet MMC registers */
#define ETH_MMCCR MMIO32(ETHERNET_BASE + 0x100)
#define ETH_MMCRIR MMIO32(ETHERNET_BASE + 0x104)
#define ETH_MMCTIR MMIO32(ETHERNET_BASE + 0x108)
#define ETH_MMCRIMR MMIO32(ETHERNET_BASE + 0x10C)
#define ETH_MMCTIMR MMIO32(ETHERNET_BASE + 0x110)
#define ETH_MMCTGFSCCR MMIO32(ETHERNET_BASE + 0x14C)
#define ETH_MMCTGFMSCCR MMIO32(ETHERNET_BASE + 0x150)
#define ETH_MMCTGFCR MMIO32(ETHERNET_BASE + 0x168)
#define ETH_MMCRFCECR MMIO32(ETHERNET_BASE + 0x194)
#define ETH_MMCRFAECR MMIO32(ETHERNET_BASE + 0x198)
#define ETH_MMCRGUFCR MMIO32(ETHERNET_BASE + 0x1C4)
/* Ethrenet IEEE 1588 time stamp registers */
#define ETH_PTPTSCR MMIO32(ETHERNET_BASE + 0x700)
#define ETH_PTPSSIR MMIO32(ETHERNET_BASE + 0x704)
#define ETH_PTPTSHR MMIO32(ETHERNET_BASE + 0x708)
#define ETH_PTPTSLR MMIO32(ETHERNET_BASE + 0x70C)
#define ETH_PTPTSHUR MMIO32(ETHERNET_BASE + 0x710)
#define ETH_PTPTSLUR MMIO32(ETHERNET_BASE + 0x714)
#define ETH_PTPTSAR MMIO32(ETHERNET_BASE + 0x718)
#define ETH_PTPTTHR MMIO32(ETHERNET_BASE + 0x71C)
#define ETH_PTPTTLR MMIO32(ETHERNET_BASE + 0x720)
/* Ethernet DMA registers */
#define ETH_DMABMR MMIO32(ETHERNET_BASE + 0x1000)
#define ETH_DMATPDR MMIO32(ETHERNET_BASE + 0x1004)
#define ETH_DMARPDR MMIO32(ETHERNET_BASE + 0x1008)
#define ETH_DMARDLAR MMIO32(ETHERNET_BASE + 0x100C)
#define ETH_DMATDLAR MMIO32(ETHERNET_BASE + 0x1010)
#define ETH_DMATDLAR MMIO32(ETHERNET_BASE + 0x1010)
#define ETH_DMASR MMIO32(ETHERNET_BASE + 0x1014)
#define ETH_DMAOMR MMIO32(ETHERNET_BASE + 0x1018)
#define ETH_DMAIER MMIO32(ETHERNET_BASE + 0x101C)
#define ETH_DMAMFBOCR MMIO32(ETHERNET_BASE + 0x1020)
#define ETH_DMACHTDR MMIO32(ETHERNET_BASE + 0x1048)
#define ETH_DMACHRDR MMIO32(ETHERNET_BASE + 0x104C)
#define ETH_DMACHTBAR MMIO32(ETHERNET_BASE + 0x1050)
#define ETH_DMACHRBAR MMIO32(ETHERNET_BASE + 0x1054)
/* Ethernet MAC Register bit definitions */
/* Ethernet MAC configuration register ETH_MACCR bits */
#define ETH_MACCR_RE 0x00000004
#define ETH_MACCR_TE 0x00000008
#define ETH_MACCR_DC 0x00000010
#define ETH_MACCR_BL 0x00000060
#define ETH_MACCR_APCS 0x00000080
#define ETH_MACCR_RD 0x00000200
#define ETH_MACCR_IPCO 0x00000400
#define ETH_MACCR_DM 0x00000800
#define ETH_MACCR_LM 0x00001000
#define ETH_MACCR_ROD 0x00002000
#define ETH_MACCR_FES 0x00004000
#define ETH_MACCR_CSD 0x00010000
#define ETH_MACCR_IFG 0x000E0000
#define ETH_MACCR_JD 0x00400000
#define ETH_MACCR_WD 0x00800000
/* Ethernet MAC frame filter register ETH_MACFFR bits */
#define ETH_MACFFR_PM 0x00000001
#define ETH_MACFFR_HU 0x00000002
#define ETH_MACFFR_HM 0x00000004
#define ETH_MACFFR_DAIF 0x00000008
#define ETH_MACFFR_PAM 0x00000010
#define ETH_MACFFR_BFD 0x00000020
#define ETH_MACFFR_PCF 0x000000C0
#define ETH_MACFFR_SAIF 0x00000100
#define ETH_MACFFR_SAF 0x00000200
#define ETH_MACFFR_HPF 0x00000400
#define ETH_MACFFR_PA 0x80000000
/* Ethernet MAC MII address register ETH_MACMIIAR bits */
#define ETH_MACMIIAR_MB 0x0001
#define ETH_MACMIIAR_MW 0x0002
/* Clock Range for MDC frequency */
#define ETH_MACMIIAR_CR_MASK 0x001C
#define ETH_MACMIIAR_CR_HCLK_DIV_42 0x0000 /* For HCLK 60-72 MHz */
#define ETH_MACMIIAR_CR_HCLK_DIV_16 0x0008 /* For HCLK 20-35 MHz */
#define ETH_MACMIIAR_CR_HCLK_DIV_24 0x000C /* For HCLK 35-60 MHz */
#define ETH_MACMIIAR_MR 0x07C0
#define ETH_MACMIIAR_PA 0xF800
/* Ethernet MAC flow control register ETH_MACFCR bits */
#define ETH_MACFCR_FCB 0x00000001
#define ETH_MACFCR_BPA 0x00000001
#define ETH_MACFCR_TFCE 0x00000002
#define ETH_MACFCR_RFCE 0x00000004
#define ETH_MACFCR_UPFD 0x00000008
#define ETH_MACFCR_PLT 0x00000030
#define ETH_MACFCR_ZQPD 0x00000080
#define ETH_MACFCR_PT 0xFFFF0000
/* Ethernet MAC interrupt status regster ETH_MACSR bits */
#define ETH_MACSR_PMTS 0x0008
#define ETH_MACSR_MMCS 0x0010
#define ETH_MACSR_MMCRS 0x0020
#define ETH_MACSR_MMCTS 0x0040
#define ETH_MACSR_TSTS 0x0200
/* Ethernet MAC interrupt mask regster ETH_MACIMR bits */
#define ETH_MACIMR_PMTIM 0x0008
#define ETH_MACIMR_TSTIM 0x0200
/* Ethernet DMA Register bit definitions */
/* Ethernet DMA bus mode register ETH_DMABMR bits */
#define ETH_DMABMR_SR 0x00000001
#define ETH_DMABMR_DA 0x00000002
#define ETH_DMABMR_DSL_MASK 0x0000007C
#define ETH_DMABMR_PBL_MASK 0x00003F00
#define ETH_DMABMR_RTPR_MASK 0x0000C000
#define ETH_DMABMR_RTPR_1TO1 0x00000000
#define ETH_DMABMR_RTPR_2TO1 0x00004000
#define ETH_DMABMR_RTPR_3TO1 0x00008000
#define ETH_DMABMR_RTPR_4TO1 0x0000C000
#define ETH_DMABMR_FB 0x00010000
#define ETH_DMABMR_RDP_MASK 0x007E0000
#define ETH_DMABMR_USP 0x00800000
#define ETH_DMABMR_FPM 0x01000000
#define ETH_DMABMR_AAB 0x02000000
/* Ethernet DMA operation mode register ETH_DMAOMR bits */
#define ETH_DMAOMR_SR 0x00000002
#define ETH_DMAOMR_OSF 0x00000004
#define ETH_DMAOMR_RTC_MASK 0x00000018
#define ETH_DMAOMR_RTC_64 0x00000000
#define ETH_DMAOMR_RTC_32 0x00000008
#define ETH_DMAOMR_RTC_96 0x00000010
#define ETH_DMAOMR_RTC_128 0x00000018
#define ETH_DMAOMR_FUGF 0x00000040
#define ETH_DMAOMR_FEF 0x00000080
#define ETH_DMAOMR_ST 0x00002000
#define ETH_DMAOMR_TTC_MASK 0x0001C000
#define ETH_DMAOMR_FTF 0x00100000
#define ETH_DMAOMR_TSF 0x00200000
#define ETH_DMAOMR_DFRF 0x01000000
#define ETH_DMAOMR_RSF 0x02000000
#define ETH_DMAOMR_DTCEFD 0x04000000
/* Ethernet DMA interrupt enable register ETH_DMAIER bits */
#define ETH_DMAIER_TIE 0x00000001
#define ETH_DMAIER_TPSIE 0x00000002
#define ETH_DMAIER_TBUIE 0x00000004
#define ETH_DMAIER_TJTIE 0x00000008
#define ETH_DMAIER_ROIE 0x00000010
#define ETH_DMAIER_TUIE 0x00000020
#define ETH_DMAIER_RIE 0x00000040
#define ETH_DMAIER_RBUIE 0x00000080
#define ETH_DMAIER_RPSIE 0x00000100
#define ETH_DMAIER_RWTIE 0x00000200
#define ETH_DMAIER_ETIE 0x00000400
#define ETH_DMAIER_FBEIE 0x00002000
#define ETH_DMAIER_ERIE 0x00004000
#define ETH_DMAIER_AISE 0x00008000
#define ETH_DMAIER_NSIE 0x00010000
#endif

53
lib/ethernet.c

@ -0,0 +1,53 @@
/*
* This file is part of the libopenstm32 project.
*
* Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include <libopenstm32/ethernet.h>
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_MACMIAR_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);
}
Loading…
Cancel
Save