diff options
Diffstat (limited to 'bsps/arm/csb337/include/at91rm9200_emac.h')
| -rw-r--r-- | bsps/arm/csb337/include/at91rm9200_emac.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/bsps/arm/csb337/include/at91rm9200_emac.h b/bsps/arm/csb337/include/at91rm9200_emac.h new file mode 100644 index 0000000000..77c42d1526 --- /dev/null +++ b/bsps/arm/csb337/include/at91rm9200_emac.h @@ -0,0 +1,160 @@ +/* + * Atmel AT91RM9200 EMAC Register definitions + * + * Copyright (c) 2003 by Cogent Computer Systems + * Written by Mike Kelly <mike@cogcomp.com> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ +#ifndef __AT91RM9200_EMAC_H__ +#define __AT91RM9200_EMAC_H__ + +#include <bits.h> + +/*Register offsets */ +#define EMAC_CTL 0x00 /* Network Control Register */ +#define EMAC_CFG 0x04 /* Network Configuration Register */ +#define EMAC_SR 0x08 /* Network Status Register */ +#define EMAC_TAR 0x0C /* Transmit Address Register */ +#define EMAC_TCR 0x10 /* Transmit Control Register */ +#define EMAC_TSR 0x14 /* Transmit Status Register */ +#define EMAC_RBQP 0x18 /* Receive Buffer Queue Pointer */ +#define EMAC_RSR 0x20 /* Receive Status Register */ +#define EMAC_ISR 0x24 /* Interrupt Enable Register */ +#define EMAC_IER 0x28 /* Interrupt Enable Register */ +#define EMAC_IDR 0x2C /* Interrupt Disable Register */ +#define EMAC_IMR 0x30 /* Interrupt Mask Register */ +#define EMAC_MAN 0x34 /* PHY Maintenance Register */ +#define EMAC_FRA 0x40 /* Frames Transmitted OK Register */ +#define EMAC_SCOL 0x44 /* Single Collision Frame Register */ +#define EMAC_MCOL 0x48 /* Multiple Collision Frame Register */ +#define EMAC_OK 0x4C /* Frames Received OK Register */ +#define EMAC_SEQE 0x50 /* Frame Check Sequence Error Register */ +#define EMAC_ALE 0x54 /* Alignment Error Register */ +#define EMAC_DTE 0x58 /* Deferred Transmission Frame Register */ +#define EMAC_LCOL 0x5C /* Late Collision Register */ +#define EMAC_ECOL 0x60 /* Excessive Collision Register */ +#define EMAC_CSE 0x64 /* Carrier Sense Error Register */ +#define EMAC_TUE 0x68 /* Transmit Underrun Error Register */ +#define EMAC_CDE 0x6C /* Code Error Register */ +#define EMAC_ELR 0x70 /* Excessive Length Error Register */ +#define EMAC_RJB 0x74 /* Receive Jabber Register */ +#define EMAC_USF 0x78 /* Undersize Frame Register */ +#define EMAC_SQEE 0x7C /* SQE Test Error Register */ +#define EMAC_DRFC 0x80 /* Discarded RX Frame Register */ +#define EMAC_HSH 0x90 /* Hash Address High[63:32] */ +#define EMAC_HSL 0x94 /* Hash Address Low[31:0] */ +#define EMAC_SA1L 0x98 /* Specific Addr 1 Low, First 4 bytes */ +#define EMAC_SA1H 0x9C /* Specific Addr 1 High, Last 2 bytes */ +#define EMAC_SA2L 0xA0 /* Specific Addr 2 Low, First 4 bytes */ +#define EMAC_SA2H 0xA4 /* Specific Addr 2 High, Last 2 bytes */ +#define EMAC_SA3L 0xA8 /* Specific Addr 3 Low, First 4 bytes */ +#define EMAC_SA3H 0xAC /* Specific Addr 3 High, Last 2 bytes */ +#define EMAC_SA4L 0xB0 /* Specific Addr 4 Low, First 4 bytes */ +#define EMAC_SA4H 0xB4 /* Specific Addr 4 High, Last 2 bytesr */ + +/* Control Register, EMAC_CTL, Offset 0x0 */ +#define EMAC_CTL_LB BIT0 /* 1 = Set Loopback output signal */ +#define EMAC_CTL_LBL BIT1 /* 1 = Loopback local. */ +#define EMAC_CTL_RE BIT2 /* 1 = Receive enable. */ +#define EMAC_CTL_TE BIT3 /* 1 = Transmit enable. */ +#define EMAC_CTL_MPE BIT4 /* 1 = Management port enable. */ +#define EMAC_CTL_CSR BIT5 /* Write 1 to clear stats registers. */ +#define EMAC_CTL_ISR BIT6 /* Write to increment stats registers */ +#define EMAC_CTL_WES BIT7 /* 1 = Enable writing to stats regs */ +#define EMAC_CTL_BP BIT8 /* 1 = Force collision on all RX frames */ + +/* Configuration Register, EMAC_CFG, Offset 0x4 */ +#define EMAC_CFG_SPD BIT0 /* 1 = 10/100 Speed (not functional?) */ +#define EMAC_CFG_FD BIT1 /* 1 = Full duplex. */ +#define EMAC_CFG_BR BIT2 /* write 0 */ +#define EMAC_CFG_CAF BIT4 /* 1 = accept all frames */ +#define EMAC_CFG_NBC BIT5 /* 1 = disable reception of bcast frms */ +#define EMAC_CFG_MTI BIT6 /* 1 = Multicast hash enable */ +#define EMAC_CFG_UNI BIT7 /* 1 = Unicast hash enable. */ +#define EMAC_CFG_BIG BIT8 /* 1 = enable reception 1522 byte frms */ +#define EMAC_CFG_EAE BIT9 /* write 0 */ +#define EMAC_CFG_CLK_8 (0 << 10) /* MII Clock = HCLK divided by 8 */ +#define EMAC_CFG_CLK_16 (1 << 10) /* MII Clock = HCLK divided by 16 */ +#define EMAC_CFG_CLK_32 (2 << 10) /* MII Clock = HCLK divided by 32 */ +#define EMAC_CFG_CLK_64 (3 << 10) /* MII Clock = HCLK divided by 64 */ +#define EMAC_CFG_CLK_MASK (3 << 10) /* MII Clock mask */ +#define EMAC_CFG_RTY BIT12 /* Retry Test Mode - Must be 0 */ +#define EMAC_CFG_RMII BIT13 /* Reduced MII Mode Enable */ + +/* Status Register, EMAC_SR, Offset 0x8 */ +#define EMAC_LINK BIT0 /* Link pin */ +#define EMAC_MDIO BIT1 /* Real Time state of MDIO pin */ +#define EMAC_IDLE BIT2 /* 0 = PHY Logic is idle */ + +/* Transmit Control Register, EMAC_TCR, Offset 0x10 */ +#define EMAC_TCR_LEN(_x_) ((_x_ & 0x7FF) << 0) /* Tx frame len minus CRC */ +#define EMAC_TCR_NCRC BIT15 /* Do'nt append CRC on Tx */ + +/* Transmit Status Register, EMAC_TSR, Offset 0x14 */ +#define EMAC_TSR_OVR BIT0 /* 1 = Transmit buffer overrun */ +#define EMAC_TSR_COL BIT1 /* 1 = Collision occured */ +#define EMAC_TSR_RLE BIT2 /* 1 = Retry lmimt exceeded */ +#define EMAC_TSR_TXIDLE BIT3 /* 1 = Transmitter is idle */ +#define EMAC_TSR_BNQ BIT4 /* 1 = Transmit buffer not queued */ +#define EMAC_TSR_COMP BIT5 /* 1 = Transmit complete */ +#define EMAC_TSR_UND BIT6 /* 1 = Transmit underrun */ + +/* Receive Status Register, EMAC_RSR, Offset 0x20 */ +#define EMAC_RSR_BNA BIT0 /* 1 = Buffer not available */ +#define EMAC_RSR_REC BIT1 /* 1 = Frame received */ +#define EMAC_RSR_OVR BIT2 /* 1 = Receive overrun */ + +/* + * Interrupt Status Register, EMAC_ISR, Offsen 0x24 + * Interrupt Enable Register, EMAC_IER, Offset 0x28 + * Interrupt Disable Register, EMAC_IDR, Offset 0x2c + * Interrupt Mask Register, EMAC_IMR, Offset 0x30 + */ +#define EMAC_INT_DONE BIT0 /* Phy management done */ +#define EMAC_INT_RCOM BIT1 /* Receive complete */ +#define EMAC_INT_RBNA BIT2 /* Receive buffer not available */ +#define EMAC_INT_TOVR BIT3 /* Transmit buffer overrun */ +#define EMAC_INT_TUND BIT4 /* Transmit buffer underrun */ +#define EMAC_INT_RTRY BIT5 /* Transmit Retry limt */ +#define EMAC_INT_TBRE BIT6 /* Transmit buffer register empty */ +#define EMAC_INT_TCOM BIT7 /* Transmit complete */ +#define EMAC_INT_TIDLE BIT8 /* Transmit idle */ +#define EMAC_INT_LINK BIT9 /* Link pin changed value */ +#define EMAC_INT_ROVR BIT10 /* Receive overrun */ +#define EMAC_INT_ABT BIT11 /* Abort on DMA transfer */ + +/* PHY Maintenance Register, EMAC_MAN, Offset 0x34 */ +#define EMAC_MAN_DATA(_x_) ((_x_ & 0xFFFF) << 0)/* PHY data register */ +#define EMAC_MAN_CODE (0x2 << 16) /* IEEE Code */ +#define EMAC_MAN_REGA(_x_) ((_x_ & 0x1F) << 18) /* PHY register address */ +#define EMAC_MAN_PHYA(_x_) ((_x_ & 0x1F) << 23) /* PHY address */ +#define EMAC_MAN_WRITE (0x1 << 28) /* Transfer is a write */ +#define EMAC_MAN_READ (0x2 << 28) /* Transfer is a read */ +#define EMAC_MAN_HIGH BIT30 /* Must be set */ +#define EMAC_MAN_LOW BIT31 + +/* + * Bit assignments for Receive Buffer Descriptor + * Address - Word 0 + */ +#define RXBUF_ADD_BASE_MASK 0xfffffffc /* Base addr of the rx buf */ +#define RXBUF_ADD_WRAP BIT1 /* set indicates last buf */ +#define RXBUF_ADD_OWNED BIT0 /* 1 = SW owns the pointer */ + +/* Status - Word 1 */ +#define RXBUF_STAT_BCAST BIT31 /* Global bcast addr detected */ +#define RXBUF_STAT_MULTI BIT30 /* Multicast hash match */ +#define RXBUF_STAT_UNI BIT29 /* Unicast hash match */ +#define RXBUF_STAT_EXT BIT28 /* External address (optional) */ +#define RXBUF_STAT_UNK BIT27 /* Unknown source address */ +#define RXBUF_STAT_LOC1 BIT26 /* Local address 1 match */ +#define RXBUF_STAT_LOC2 BIT25 /* Local address 2 match */ +#define RXBUF_STAT_LOC3 BIT24 /* Local address 3 match */ +#define RXBUF_STAT_LOC4 BIT23 /* Local address 4 match */ +#define RXBUF_STAT_LEN_MASK 0x7ff /* Len of frame including FCS */ + +#endif /* __AT91RM9200_EMAC_H__ */ + |