git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@278 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
gdisirio
parent
2064a108e7
commit
2f94eac810
|
|
@ -0,0 +1,152 @@
|
|||
/*
|
||||
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
|
||||
|
||||
This file is part of ChibiOS/RT.
|
||||
|
||||
ChibiOS/RT 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.
|
||||
|
||||
ChibiOS/RT 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/>.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Parts of this file are borrowed by the Linux include file linux/mii.h:
|
||||
* Copyright (C) 1996, 1999, 2001 David S. Miller (davem@redhat.com)
|
||||
*/
|
||||
|
||||
#ifndef _MII_H_
|
||||
#define _MII_H_
|
||||
|
||||
/* Generic MII registers. */
|
||||
#define MII_BMCR 0x00 /* Basic mode control register */
|
||||
#define MII_BMSR 0x01 /* Basic mode status register */
|
||||
#define MII_PHYSID1 0x02 /* PHYS ID 1 */
|
||||
#define MII_PHYSID2 0x03 /* PHYS ID 2 */
|
||||
#define MII_ADVERTISE 0x04 /* Advertisement control reg */
|
||||
#define MII_LPA 0x05 /* Link partner ability reg */
|
||||
#define MII_EXPANSION 0x06 /* Expansion register */
|
||||
#define MII_CTRL1000 0x09 /* 1000BASE-T control */
|
||||
#define MII_STAT1000 0x0a /* 1000BASE-T status */
|
||||
#define MII_ESTATUS 0x0f /* Extended Status */
|
||||
#define MII_DCOUNTER 0x12 /* Disconnect counter */
|
||||
#define MII_FCSCOUNTER 0x13 /* False carrier counter */
|
||||
#define MII_NWAYTEST 0x14 /* N-way auto-neg test reg */
|
||||
#define MII_RERRCOUNTER 0x15 /* Receive error counter */
|
||||
#define MII_SREVISION 0x16 /* Silicon revision */
|
||||
#define MII_RESV1 0x17 /* Reserved... */
|
||||
#define MII_LBRERROR 0x18 /* Lpback, rx, bypass error */
|
||||
#define MII_PHYADDR 0x19 /* PHY address */
|
||||
#define MII_RESV2 0x1a /* Reserved... */
|
||||
#define MII_TPISTATUS 0x1b /* TPI status for 10mbps */
|
||||
#define MII_NCONFIG 0x1c /* Network interface config */
|
||||
|
||||
/* Basic mode control register. */
|
||||
#define BMCR_RESV 0x003f /* Unused... */
|
||||
#define BMCR_SPEED1000 0x0040 /* MSB of Speed (1000) */
|
||||
#define BMCR_CTST 0x0080 /* Collision test */
|
||||
#define BMCR_FULLDPLX 0x0100 /* Full duplex */
|
||||
#define BMCR_ANRESTART 0x0200 /* Auto negotiation restart */
|
||||
#define BMCR_ISOLATE 0x0400 /* Disconnect DP83840 from MII */
|
||||
#define BMCR_PDOWN 0x0800 /* Powerdown the DP83840 */
|
||||
#define BMCR_ANENABLE 0x1000 /* Enable auto negotiation */
|
||||
#define BMCR_SPEED100 0x2000 /* Select 100Mbps */
|
||||
#define BMCR_LOOPBACK 0x4000 /* TXD loopback bits */
|
||||
#define BMCR_RESET 0x8000 /* Reset the DP83840 */
|
||||
|
||||
/* Basic mode status register. */
|
||||
#define BMSR_ERCAP 0x0001 /* Ext-reg capability */
|
||||
#define BMSR_JCD 0x0002 /* Jabber detected */
|
||||
#define BMSR_LSTATUS 0x0004 /* Link status */
|
||||
#define BMSR_ANEGCAPABLE 0x0008 /* Able to do auto-negotiation */
|
||||
#define BMSR_RFAULT 0x0010 /* Remote fault detected */
|
||||
#define BMSR_ANEGCOMPLETE 0x0020 /* Auto-negotiation complete */
|
||||
#define BMSR_RESV 0x00c0 /* Unused... */
|
||||
#define BMSR_ESTATEN 0x0100 /* Extended Status in R15 */
|
||||
#define BMSR_100HALF2 0x0200 /* Can do 100BASE-T2 HDX */
|
||||
#define BMSR_100FULL2 0x0400 /* Can do 100BASE-T2 FDX */
|
||||
#define BMSR_10HALF 0x0800 /* Can do 10mbps, half-duplex */
|
||||
#define BMSR_10FULL 0x1000 /* Can do 10mbps, full-duplex */
|
||||
#define BMSR_100HALF 0x2000 /* Can do 100mbps, half-duplex */
|
||||
#define BMSR_100FULL 0x4000 /* Can do 100mbps, full-duplex */
|
||||
#define BMSR_100BASE4 0x8000 /* Can do 100mbps, 4k packets */
|
||||
|
||||
/* Advertisement control register. */
|
||||
#define ADVERTISE_SLCT 0x001f /* Selector bits */
|
||||
#define ADVERTISE_CSMA 0x0001 /* Only selector supported */
|
||||
#define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */
|
||||
#define ADVERTISE_1000XFULL 0x0020 /* Try for 1000BASE-X full-duplex */
|
||||
#define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */
|
||||
#define ADVERTISE_1000XHALF 0x0040 /* Try for 1000BASE-X half-duplex */
|
||||
#define ADVERTISE_100HALF 0x0080 /* Try for 100mbps half-duplex */
|
||||
#define ADVERTISE_1000XPAUSE 0x0080 /* Try for 1000BASE-X pause */
|
||||
#define ADVERTISE_100FULL 0x0100 /* Try for 100mbps full-duplex */
|
||||
#define ADVERTISE_1000XPSE_ASYM 0x0100 /* Try for 1000BASE-X asym pause */
|
||||
#define ADVERTISE_100BASE4 0x0200 /* Try for 100mbps 4k packets */
|
||||
#define ADVERTISE_PAUSE_CAP 0x0400 /* Try for pause */
|
||||
#define ADVERTISE_PAUSE_ASYM 0x0800 /* Try for asymetric pause */
|
||||
#define ADVERTISE_RESV 0x1000 /* Unused... */
|
||||
#define ADVERTISE_RFAULT 0x2000 /* Say we can detect faults */
|
||||
#define ADVERTISE_LPACK 0x4000 /* Ack link partners response */
|
||||
#define ADVERTISE_NPAGE 0x8000 /* Next page bit */
|
||||
|
||||
#define ADVERTISE_FULL (ADVERTISE_100FULL | ADVERTISE_10FULL | \
|
||||
ADVERTISE_CSMA)
|
||||
#define ADVERTISE_ALL (ADVERTISE_10HALF | ADVERTISE_10FULL | \
|
||||
ADVERTISE_100HALF | ADVERTISE_100FULL)
|
||||
|
||||
/* Link partner ability register. */
|
||||
#define LPA_SLCT 0x001f /* Same as advertise selector */
|
||||
#define LPA_10HALF 0x0020 /* Can do 10mbps half-duplex */
|
||||
#define LPA_1000XFULL 0x0020 /* Can do 1000BASE-X full-duplex */
|
||||
#define LPA_10FULL 0x0040 /* Can do 10mbps full-duplex */
|
||||
#define LPA_1000XHALF 0x0040 /* Can do 1000BASE-X half-duplex */
|
||||
#define LPA_100HALF 0x0080 /* Can do 100mbps half-duplex */
|
||||
#define LPA_1000XPAUSE 0x0080 /* Can do 1000BASE-X pause */
|
||||
#define LPA_100FULL 0x0100 /* Can do 100mbps full-duplex */
|
||||
#define LPA_1000XPAUSE_ASYM 0x0100 /* Can do 1000BASE-X pause asym*/
|
||||
#define LPA_100BASE4 0x0200 /* Can do 100mbps 4k packets */
|
||||
#define LPA_PAUSE_CAP 0x0400 /* Can pause */
|
||||
#define LPA_PAUSE_ASYM 0x0800 /* Can pause asymetrically */
|
||||
#define LPA_RESV 0x1000 /* Unused... */
|
||||
#define LPA_RFAULT 0x2000 /* Link partner faulted */
|
||||
#define LPA_LPACK 0x4000 /* Link partner acked us */
|
||||
#define LPA_NPAGE 0x8000 /* Next page bit */
|
||||
|
||||
#define LPA_DUPLEX (LPA_10FULL | LPA_100FULL)
|
||||
#define LPA_100 (LPA_100FULL | LPA_100HALF | LPA_100BASE4)
|
||||
|
||||
/* Expansion register for auto-negotiation. */
|
||||
#define EXPANSION_NWAY 0x0001 /* Can do N-way auto-nego */
|
||||
#define EXPANSION_LCWP 0x0002 /* Got new RX page code word */
|
||||
#define EXPANSION_ENABLENPAGE 0x0004 /* This enables npage words */
|
||||
#define EXPANSION_NPCAPABLE 0x0008 /* Link partner supports npage */
|
||||
#define EXPANSION_MFAULTS 0x0010 /* Multiple faults detected */
|
||||
#define EXPANSION_RESV 0xffe0 /* Unused... */
|
||||
|
||||
#define ESTATUS_1000_TFULL 0x2000 /* Can do 1000BT Full */
|
||||
#define ESTATUS_1000_THALF 0x1000 /* Can do 1000BT Half */
|
||||
|
||||
/* N-way test register. */
|
||||
#define NWAYTEST_RESV1 0x00ff /* Unused... */
|
||||
#define NWAYTEST_LOOPBACK 0x0100 /* Enable loopback for N-way */
|
||||
#define NWAYTEST_RESV2 0xfe00 /* Unused... */
|
||||
|
||||
/* 1000BASE-T Control register */
|
||||
#define ADVERTISE_1000FULL 0x0200 /* Advertise 1000BASE-T full duplex */
|
||||
#define ADVERTISE_1000HALF 0x0100 /* Advertise 1000BASE-T half duplex */
|
||||
|
||||
/* 1000BASE-T Status register */
|
||||
#define LPA_1000LOCALRXOK 0x2000 /* Link partner local receiver status */
|
||||
#define LPA_1000REMRXOK 0x1000 /* Link partner remote receiver status */
|
||||
#define LPA_1000FULL 0x0800 /* Link partner 1000BASE-T full duplex */
|
||||
#define LPA_1000HALF 0x0400 /* Link partner 1000BASE-T half duplex */
|
||||
|
||||
#endif /* _MII_H_ */
|
||||
|
|
@ -0,0 +1,97 @@
|
|||
/*
|
||||
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
|
||||
|
||||
This file is part of ChibiOS/RT.
|
||||
|
||||
ChibiOS/RT 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.
|
||||
|
||||
ChibiOS/RT 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 <ch.h>
|
||||
|
||||
#include "board.h"
|
||||
#include "sam7x_emac.h"
|
||||
#include "mii.h"
|
||||
#include "at91lib/aic.h"
|
||||
|
||||
static BufDescriptorEntry rent[EMAC_RECEIVE_BUFFERS] __attribute__((aligned(4)));
|
||||
//static BufDescriptorEntry tent[EMAC_TRANSMIT_BUFFERS] __attribute__((aligned(4)));
|
||||
static uint8_t rbuffers[128 * EMAC_RECEIVE_BUFFERS] __attribute__((aligned(4)));
|
||||
|
||||
EventSource TransmitDone, ReceiveNotEmpty;
|
||||
|
||||
#define AT91C_PB15_ERXDV AT91C_PB15_ERXDV_ECRSDV
|
||||
#define EMAC_PIN_MASK (AT91C_PB1_ETXEN | AT91C_PB2_ETX0 | \
|
||||
AT91C_PB3_ETX1 | AT91C_PB4_ECRS | \
|
||||
AT91C_PB5_ERX0 | AT91C_PB6_ERX1 | \
|
||||
AT91C_PB7_ERXER | AT91C_PB8_EMDC | \
|
||||
AT91C_PB9_EMDIO | AT91C_PB10_ETX2 | \
|
||||
AT91C_PB11_ETX3 | AT91C_PB12_ETXER | \
|
||||
AT91C_PB13_ERX2 | AT91C_PB14_ERX3 | \
|
||||
AT91C_PB15_ERXDV | AT91C_PB16_ECOL | \
|
||||
AT91C_PB17_ERXCK)
|
||||
|
||||
/*
|
||||
* EMAC subsystem initialization.
|
||||
*/
|
||||
void InitEMAC(int prio) {
|
||||
int i;
|
||||
|
||||
for (i = 0; i < EMAC_RECEIVE_BUFFERS; i++) {
|
||||
rent[i].w1 = (uint32_t)&rbuffers[i * 128];
|
||||
rent[i].w2 = 0;
|
||||
}
|
||||
rent[EMAC_RECEIVE_BUFFERS - 1].w1 |= W1_R_WRAP;
|
||||
|
||||
/*
|
||||
* Disables default pullups, the PHY has an internal pulldowns.
|
||||
* Selects MII mode.
|
||||
*/
|
||||
AT91C_BASE_PIOB->PIO_PPUDR = AT91C_PB15_ERXDV | AT91C_PB16_ECOL;
|
||||
|
||||
/*
|
||||
* PHY powerdown.
|
||||
*/
|
||||
AT91C_BASE_PIOB->PIO_OER = PIOB_PHY_PD; // Becomes an output.
|
||||
AT91C_BASE_PIOB->PIO_PPUDR = PIOB_PHY_PD; // Default pullup disabled.
|
||||
AT91C_BASE_PIOB->PIO_CODR = PIOB_PHY_PD; // Output to low level.
|
||||
|
||||
/*
|
||||
* PHY reset by pulsing the NRST pin.
|
||||
*/
|
||||
AT91C_BASE_RSTC->RSTC_RMR = 0xA5000100;
|
||||
AT91C_BASE_RSTC->RSTC_RCR = 0xA5000000 | AT91C_RSTC_EXTRST;
|
||||
while (!(AT91C_BASE_RSTC->RSTC_RSR & AT91C_RSTC_NRSTL))
|
||||
;
|
||||
|
||||
/*
|
||||
* EMAC pins setup.
|
||||
*/
|
||||
AT91C_BASE_PIOB->PIO_ASR = EMAC_PIN_MASK;
|
||||
AT91C_BASE_PIOB->PIO_PDR = EMAC_PIN_MASK;
|
||||
AT91C_BASE_PIOB->PIO_PPUDR = EMAC_PIN_MASK; // ?????
|
||||
|
||||
/*
|
||||
* EMAC setup.
|
||||
*/
|
||||
AT91C_BASE_EMAC->EMAC_NCR |= AT91C_EMAC_MPE; // Enable Management Port.
|
||||
AT91C_BASE_EMAC->EMAC_NCFGR |= 2 << 10; // CLK = MCK / 32
|
||||
|
||||
chThdSleep(5);
|
||||
}
|
||||
|
||||
/*
|
||||
* Transmits a data buffer (whole ethernet frame).
|
||||
*/
|
||||
//bool_t EMACTransmit(uint8_t *buf, size_t size) {
|
||||
//}
|
||||
|
|
@ -0,0 +1,73 @@
|
|||
/*
|
||||
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
|
||||
|
||||
This file is part of ChibiOS/RT.
|
||||
|
||||
ChibiOS/RT 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.
|
||||
|
||||
ChibiOS/RT 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 _SAM7X_EMAC_H_
|
||||
#define _SAM7X_EMAC_H_
|
||||
|
||||
#define EMAC_RECEIVE_BUFFERS 60
|
||||
#define EMAC_TRANSMIT_BUFFERS 12
|
||||
|
||||
typedef struct {
|
||||
uint32_t w1;
|
||||
uint32_t w2;
|
||||
} BufDescriptorEntry;
|
||||
|
||||
#define W1_R_OWNERSHIP 0x00000001
|
||||
#define W1_R_WRAP 0x00000002
|
||||
#define W1_R_ADDRESS_MASK 0xFFFFFFFC
|
||||
|
||||
#define W2_R_LENGTH_MASK 0x00000FFF
|
||||
#define W2_R_FRAME_START 0x00004000
|
||||
#define W2_R_FRAME_END 0x00008000
|
||||
#define W2_R_CFI 0x00010000
|
||||
#define W2_R_VLAN_PRIO_MASK 0x000E0000
|
||||
#define W2_R_PRIO_TAG_DETECTED 0x00100000
|
||||
#define W2_R_VLAN_TAG_DETECTED 0x00200000
|
||||
#define W2_R_TYPE_ID_MATCH 0x00400000
|
||||
#define W2_R_ADDR4_MATCH 0x00800000
|
||||
#define W2_R_ADDR3_MATCH 0x01000000
|
||||
#define W2_R_ADDR2_MATCH 0x02000000
|
||||
#define W2_R_ADDR1_MATCH 0x04000000
|
||||
#define W2_R_RFU1 0x08000000
|
||||
#define W2_R_ADDR_EXT_MATCH 0x10000000
|
||||
#define W2_R_UNICAST_MATCH 0x20000000
|
||||
#define W2_R_MULTICAST_MATCH 0x40000000
|
||||
#define W2_R_BROADCAST_DETECTED 0x80000000
|
||||
|
||||
#define W2_T_LENGTH_MASK 0x000007FF
|
||||
#define W2_T_RFU1 0x00003800
|
||||
#define W2_T_LAST_BUFFER 0x00004000
|
||||
#define W2_T_NO_CRC 0x00008000
|
||||
#define W2_T_RFU2 0x07FF0000
|
||||
#define W2_T_BUFFERS_EXHAUSTED 0x08000000
|
||||
#define W2_T_TRANSMIT_UNDERRUN 0x10000000
|
||||
#define W2_T_RETRY_LIMIT_EXC 0x20000000
|
||||
#define W2_T_WRAP 0x40000000
|
||||
#define W2_T_USED 0x80000000
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
void InitEMAC(int prio);
|
||||
bool_t EMACTransmit(uint8_t *buf, size_t size);
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _SAM7X_EMAC_H_ */
|
||||
Loading…
Reference in New Issue