blob: c8a94d0c9ffbd637e1be6d6070662203697bb6ce (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* bfin_mac.h - some defines/structures for the Blackfin on-chip MAC.
*
* Copyright (c) 2005-2008 Analog Device, Inc.
*
* Licensed under the GPL-2 or later.
*/
#ifndef __BFIN_MAC_H__
#define __BFIN_MAC_H__
#define PHYADDR 0x01
#define NO_PHY_REGS 0x20
#define DEFAULT_PHY_PHYID1 0x0007
#define DEFAULT_PHY_PHYID2 0xC0A3
#define PHY_MODECTL 0x00
#define PHY_MODESTAT 0x01
#define PHY_PHYID1 0x02
#define PHY_PHYID2 0x03
#define PHY_ANAR 0x04
#define PHY_ANLPAR 0x05
#define PHY_ANER 0x06
#define PHY_RESET 0x8000
#define PHY_ANEG_EN 0x1000
#define PHY_DUPLEX 0x0100
#define PHY_SPD_SET 0x2000
#define RECV_BUFSIZE (0x614)
typedef volatile u32 reg32;
typedef volatile u16 reg16;
typedef struct ADI_DMA_CONFIG_REG {
u16 b_DMA_EN:1; /* 0 Enabled */
u16 b_WNR:1; /* 1 Direction */
u16 b_WDSIZE:2; /* 2:3 Transfer word size */
u16 b_DMA2D:1; /* 4 DMA mode */
u16 b_RESTART:1; /* 5 Retain FIFO */
u16 b_DI_SEL:1; /* 6 Data interrupt timing select */
u16 b_DI_EN:1; /* 7 Data interrupt enabled */
u16 b_NDSIZE:4; /* 8:11 Flex descriptor size */
u16 b_FLOW:3; /* 12:14Flow */
} ADI_DMA_CONFIG_REG;
typedef struct adi_ether_frame_buffer {
u16 NoBytes; /* the no. of following bytes */
u8 Dest[6]; /* destination MAC address */
u8 Srce[6]; /* source MAC address */
u16 LTfield; /* length/type field */
u8 Data[0]; /* payload bytes */
} ADI_ETHER_FRAME_BUFFER;
/* 16 bytes/struct */
typedef struct dma_descriptor {
struct dma_descriptor *NEXT_DESC_PTR;
u32 START_ADDR;
ADI_DMA_CONFIG_REG CONFIG;
} DMA_DESCRIPTOR;
/* 10 bytes/struct in 12 bytes */
typedef struct adi_ether_buffer {
DMA_DESCRIPTOR Dma[2]; /* first for the frame, second for the status */
ADI_ETHER_FRAME_BUFFER *FrmData;/* pointer to data */
struct adi_ether_buffer *pNext; /* next buffer */
struct adi_ether_buffer *pPrev; /* prev buffer */
u16 IPHdrChksum; /* the IP header checksum */
u16 IPPayloadChksum; /* the IP header and payload checksum */
volatile u32 StatusWord; /* the frame status word */
} ADI_ETHER_BUFFER;
/* 40 bytes/struct in 44 bytes */
static ADI_ETHER_BUFFER *SetupRxBuffer(int no);
static ADI_ETHER_BUFFER *SetupTxBuffer(int no);
static int bfin_EMAC_init(struct eth_device *dev, bd_t *bd);
static void bfin_EMAC_halt(struct eth_device *dev);
static int bfin_EMAC_send(struct eth_device *dev, volatile void *packet, int length);
static int bfin_EMAC_recv(struct eth_device *dev);
static void PollMdcDone(void);
static void WrPHYReg(u16 PHYAddr, u16 RegAddr, u16 Data);
static u16 RdPHYReg(u16 PHYAddr, u16 RegAddr);
static int SetupSystemRegs(int *opmode);
static void bfin_EMAC_setup_addr(bd_t *bd);
#endif
|
