 6684bef12e
			
		
	
	
		6684bef12e
		
	
	
	
	
		
			
			hw/net/mii.h provides common definitions for MII. Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Jason Wang <jasowang@redhat.com>
		
			
				
	
	
		
			155 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			155 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * QEMU Freescale eTSEC Emulator
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|  *
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|  * Copyright (c) 2011-2013 AdaCore
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|  *
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|  * Permission is hereby granted, free of charge, to any person obtaining a copy
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|  * of this software and associated documentation files (the "Software"), to deal
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|  * in the Software without restriction, including without limitation the rights
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|  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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|  * copies of the Software, and to permit persons to whom the Software is
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|  * furnished to do so, subject to the following conditions:
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|  *
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|  * The above copyright notice and this permission notice shall be included in
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|  * all copies or substantial portions of the Software.
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|  *
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|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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|  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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|  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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|  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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|  * THE SOFTWARE.
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|  */
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| 
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| #ifndef ETSEC_H
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| #define ETSEC_H
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| 
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| #include "hw/sysbus.h"
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| #include "net/net.h"
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| #include "hw/ptimer.h"
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| #include "qom/object.h"
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| 
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| /* Buffer Descriptors */
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| 
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| typedef struct eTSEC_rxtx_bd {
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|     uint16_t flags;
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|     uint16_t length;
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|     uint32_t bufptr;
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| } eTSEC_rxtx_bd;
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| 
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| #define BD_WRAP       (1 << 13)
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| #define BD_INTERRUPT  (1 << 12)
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| #define BD_LAST       (1 << 11)
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| 
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| #define BD_TX_READY     (1 << 15)
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| #define BD_TX_PADCRC    (1 << 14)
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| #define BD_TX_TC        (1 << 10)
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| #define BD_TX_PREDEF    (1 << 9)
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| #define BD_TX_HFELC     (1 << 7)
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| #define BD_TX_CFRL      (1 << 6)
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| #define BD_TX_RC_MASK   0xF
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| #define BD_TX_RC_OFFSET 0x2
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| #define BD_TX_TOEUN     (1 << 1)
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| #define BD_TX_TR        (1 << 0)
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| 
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| #define BD_RX_EMPTY     (1 << 15)
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| #define BD_RX_RO1       (1 << 14)
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| #define BD_RX_FIRST     (1 << 10)
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| #define BD_RX_MISS      (1 << 8)
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| #define BD_RX_BROADCAST (1 << 7)
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| #define BD_RX_MULTICAST (1 << 6)
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| #define BD_RX_LG        (1 << 5)
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| #define BD_RX_NO        (1 << 4)
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| #define BD_RX_SH        (1 << 3)
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| #define BD_RX_CR        (1 << 2)
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| #define BD_RX_OV        (1 << 1)
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| #define BD_RX_TR        (1 << 0)
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| 
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| /* Tx FCB flags */
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| #define FCB_TX_VLN     (1 << 7)
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| #define FCB_TX_IP      (1 << 6)
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| #define FCB_TX_IP6     (1 << 5)
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| #define FCB_TX_TUP     (1 << 4)
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| #define FCB_TX_UDP     (1 << 3)
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| #define FCB_TX_CIP     (1 << 2)
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| #define FCB_TX_CTU     (1 << 1)
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| #define FCB_TX_NPH     (1 << 0)
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| 
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| /* eTSEC */
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| 
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| /* Number of register in the device */
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| #define ETSEC_REG_NUMBER 1024
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| 
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| typedef struct eTSEC_Register {
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|     const char *name;
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|     const char *desc;
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|     uint32_t    access;
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|     uint32_t    value;
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| } eTSEC_Register;
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| 
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| struct eTSEC {
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|     SysBusDevice  busdev;
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| 
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|     MemoryRegion  io_area;
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| 
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|     eTSEC_Register regs[ETSEC_REG_NUMBER];
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| 
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|     NICState *nic;
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|     NICConf   conf;
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| 
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|     /* Tx */
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| 
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|     uint8_t       *tx_buffer;
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|     uint32_t       tx_buffer_len;
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|     eTSEC_rxtx_bd  first_bd;
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| 
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|     /* Rx */
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| 
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|     uint8_t       *rx_buffer;
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|     uint32_t       rx_buffer_len;
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|     uint32_t       rx_remaining_data;
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|     uint8_t        rx_first_in_frame;
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|     uint8_t        rx_fcb_size;
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|     eTSEC_rxtx_bd  rx_first_bd;
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|     uint8_t        rx_fcb[10];
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|     uint32_t       rx_padding;
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| 
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|     /* IRQs */
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|     qemu_irq     tx_irq;
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|     qemu_irq     rx_irq;
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|     qemu_irq     err_irq;
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| 
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| 
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|     uint16_t phy_status;
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|     uint16_t phy_control;
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| 
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|     /* Polling */
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|     struct ptimer_state *ptimer;
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| 
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|     /* Whether we should flush the rx queue when buffer becomes available. */
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|     bool need_flush;
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| };
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| typedef struct eTSEC eTSEC;
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| 
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| #define TYPE_ETSEC_COMMON "eTSEC"
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| OBJECT_DECLARE_SIMPLE_TYPE(eTSEC, ETSEC_COMMON)
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| 
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| #define eTSEC_TRANSMIT 1
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| #define eTSEC_RECEIVE  2
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| 
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| void etsec_update_irq(eTSEC *etsec);
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| 
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| void etsec_walk_tx_ring(eTSEC *etsec, int ring_nbr);
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| void etsec_walk_rx_ring(eTSEC *etsec, int ring_nbr);
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| ssize_t etsec_rx_ring_write(eTSEC *etsec, const uint8_t *buf, size_t size);
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| 
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| void etsec_write_miim(eTSEC          *etsec,
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|                       eTSEC_Register *reg,
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|                       uint32_t        reg_index,
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|                       uint32_t        value);
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| 
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| void etsec_miim_link_status(eTSEC *etsec, NetClientState *nc);
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| 
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| #endif /* ETSEC_H */
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