diff options
Diffstat (limited to 'qemu/hw/net/fsl_etsec/etsec.h')
| -rw-r--r-- | qemu/hw/net/fsl_etsec/etsec.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/qemu/hw/net/fsl_etsec/etsec.h b/qemu/hw/net/fsl_etsec/etsec.h new file mode 100644 index 000000000..e7dc0a4b9 --- /dev/null +++ b/qemu/hw/net/fsl_etsec/etsec.h @@ -0,0 +1,176 @@ +/* + * QEMU Freescale eTSEC Emulator + * + * Copyright (c) 2011-2013 AdaCore + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#ifndef _ETSEC_H_ +#define _ETSEC_H_ + +#include "hw/qdev.h" +#include "hw/sysbus.h" +#include "net/net.h" +#include "hw/ptimer.h" + +/* Buffer Descriptors */ + +typedef struct eTSEC_rxtx_bd { + uint16_t flags; + uint16_t length; + uint32_t bufptr; +} eTSEC_rxtx_bd; + +#define BD_WRAP (1 << 13) +#define BD_INTERRUPT (1 << 12) +#define BD_LAST (1 << 11) + +#define BD_TX_READY (1 << 15) +#define BD_TX_PADCRC (1 << 14) +#define BD_TX_TC (1 << 10) +#define BD_TX_PREDEF (1 << 9) +#define BD_TX_HFELC (1 << 7) +#define BD_TX_CFRL (1 << 6) +#define BD_TX_RC_MASK 0xF +#define BD_TX_RC_OFFSET 0x2 +#define BD_TX_TOEUN (1 << 1) +#define BD_TX_TR (1 << 0) + +#define BD_RX_EMPTY (1 << 15) +#define BD_RX_RO1 (1 << 14) +#define BD_RX_FIRST (1 << 10) +#define BD_RX_MISS (1 << 8) +#define BD_RX_BROADCAST (1 << 7) +#define BD_RX_MULTICAST (1 << 6) +#define BD_RX_LG (1 << 5) +#define BD_RX_NO (1 << 4) +#define BD_RX_SH (1 << 3) +#define BD_RX_CR (1 << 2) +#define BD_RX_OV (1 << 1) +#define BD_RX_TR (1 << 0) + +/* Tx FCB flags */ +#define FCB_TX_VLN (1 << 7) +#define FCB_TX_IP (1 << 6) +#define FCB_TX_IP6 (1 << 5) +#define FCB_TX_TUP (1 << 4) +#define FCB_TX_UDP (1 << 3) +#define FCB_TX_CIP (1 << 2) +#define FCB_TX_CTU (1 << 1) +#define FCB_TX_NPH (1 << 0) + +/* PHY Status Register */ +#define MII_SR_EXTENDED_CAPS 0x0001 /* Extended register capabilities */ +#define MII_SR_JABBER_DETECT 0x0002 /* Jabber Detected */ +#define MII_SR_LINK_STATUS 0x0004 /* Link Status 1 = link */ +#define MII_SR_AUTONEG_CAPS 0x0008 /* Auto Neg Capable */ +#define MII_SR_REMOTE_FAULT 0x0010 /* Remote Fault Detect */ +#define MII_SR_AUTONEG_COMPLETE 0x0020 /* Auto Neg Complete */ +#define MII_SR_PREAMBLE_SUPPRESS 0x0040 /* Preamble may be suppressed */ +#define MII_SR_EXTENDED_STATUS 0x0100 /* Ext. status info in Reg 0x0F */ +#define MII_SR_100T2_HD_CAPS 0x0200 /* 100T2 Half Duplex Capable */ +#define MII_SR_100T2_FD_CAPS 0x0400 /* 100T2 Full Duplex Capable */ +#define MII_SR_10T_HD_CAPS 0x0800 /* 10T Half Duplex Capable */ +#define MII_SR_10T_FD_CAPS 0x1000 /* 10T Full Duplex Capable */ +#define MII_SR_100X_HD_CAPS 0x2000 /* 100X Half Duplex Capable */ +#define MII_SR_100X_FD_CAPS 0x4000 /* 100X Full Duplex Capable */ +#define MII_SR_100T4_CAPS 0x8000 /* 100T4 Capable */ + +/* eTSEC */ + +/* Number of register in the device */ +#define ETSEC_REG_NUMBER 1024 + +typedef struct eTSEC_Register { + const char *name; + const char *desc; + uint32_t access; + uint32_t value; +} eTSEC_Register; + +typedef struct eTSEC { + SysBusDevice busdev; + + MemoryRegion io_area; + + eTSEC_Register regs[ETSEC_REG_NUMBER]; + + NICState *nic; + NICConf conf; + + /* Tx */ + + uint8_t *tx_buffer; + uint32_t tx_buffer_len; + eTSEC_rxtx_bd first_bd; + + /* Rx */ + + uint8_t *rx_buffer; + uint32_t rx_buffer_len; + uint32_t rx_remaining_data; + uint8_t rx_first_in_frame; + uint8_t rx_fcb_size; + eTSEC_rxtx_bd rx_first_bd; + uint8_t rx_fcb[10]; + uint32_t rx_padding; + + /* IRQs */ + qemu_irq tx_irq; + qemu_irq rx_irq; + qemu_irq err_irq; + + + uint16_t phy_status; + uint16_t phy_control; + + /* Polling */ + QEMUBH *bh; + struct ptimer_state *ptimer; + + /* Whether we should flush the rx queue when buffer becomes available. */ + bool need_flush; +} eTSEC; + +#define TYPE_ETSEC_COMMON "eTSEC" +#define ETSEC_COMMON(obj) \ + OBJECT_CHECK(eTSEC, (obj), TYPE_ETSEC_COMMON) + +#define eTSEC_TRANSMIT 1 +#define eTSEC_RECEIVE 2 + +DeviceState *etsec_create(hwaddr base, + MemoryRegion *mr, + NICInfo *nd, + qemu_irq tx_irq, + qemu_irq rx_irq, + qemu_irq err_irq); + +void etsec_walk_tx_ring(eTSEC *etsec, int ring_nbr); +void etsec_walk_rx_ring(eTSEC *etsec, int ring_nbr); +ssize_t etsec_rx_ring_write(eTSEC *etsec, const uint8_t *buf, size_t size); + +void etsec_write_miim(eTSEC *etsec, + eTSEC_Register *reg, + uint32_t reg_index, + uint32_t value); + +void etsec_miim_link_status(eTSEC *etsec, NetClientState *nc); + +#endif /* ! _ETSEC_H_ */ |