]>
git.ipfire.org Git - people/ms/u-boot.git/blob - drivers/net/ax88796.c
2 * (c) 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
4 * SPDX-License-Identifier: GPL-2.0+
12 static void ax88796_bitset(u32 bit
)
30 static u8
ax88796_bitget(void)
45 * Send COMMAND to EEPROM
47 static void ax88796_eep_cmd(u8 cmd
)
49 ax88796_bitset(BIT_DUMMY
);
85 static void ax88796_eep_setaddr(u16 addr
)
89 for( i
= 7 ; i
>= 0 ; i
-- )
90 ax88796_bitset(addr
& (1 << i
));
94 * Get data from EEPROM
96 static u16
ax88796_eep_getdata(void)
101 ax88796_bitget(); /* DUMMY */
102 for( i
= 0 ; i
< 16 ; i
++ ){
104 data
|= ax88796_bitget();
109 static void ax88796_mac_read(u8
*buff
)
115 for( i
= 0 ; i
< 3; i
++ )
121 ax88796_eep_cmd(MAC_EEP_READ
);
123 ax88796_eep_setaddr(addr
++);
125 data
= ax88796_eep_getdata();
126 *buff
++ = (uchar
)(data
& 0xff);
127 *buff
++ = (uchar
)((data
>> 8) & 0xff);
134 int get_prom(u8
* mac_addr
, u8
* base_addr
)
139 ax88796_mac_read(prom
);
140 for (i
= 0; i
< 6; i
++){
141 mac_addr
[i
] = prom
[i
];