blob: 08df6f161ca4ba1b15a0924bf070dde13f9b2250 (
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
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Ethernet driver for the Atmel AT91RM9200 (Thunder)
*
* Copyright (C) SAN People (Pty) Ltd
*
* Based on an earlier Atmel EMAC macrocell driver by Atmel and Lineo Inc.
* Initial version by Rick Bronson.
*/
#ifndef AT91_ETHERNET
#define AT91_ETHERNET
/* ........................................................................ */
#define MAX_RBUFF_SZ 0x600 /* 1518 rounded up */
#define MAX_RX_DESCR 64 /* max number of receive buffers */
/* ----- Ethernet Buffer definitions ----- */
#define RBF_ADDR 0xfffffffc
#define RBF_OWNER (1<<0)
#define RBF_WRAP (1<<1)
#define RBF_SIZE 0x07ff
struct rbf_t
{
unsigned int addr;
unsigned long size;
};
/*
* Read from a EMAC register.
*/
static inline unsigned long at91_emac_read(unsigned int reg)
{
return __raw_readl(AT91_VA_BASE_EMAC + reg);
}
/*
* Write to a EMAC register.
*/
static inline void at91_emac_write(unsigned int reg, unsigned long value)
{
__raw_writel(value, AT91_VA_BASE_EMAC + reg);
}
#endif
|
