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MIPS: TXx9: Fix RBTX4939 ethernet address initialization

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Fix location of ethernet adddress when booted from external ROM.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto 2008-09-11 00:44:04 +09:00 committed by Ralf Baechle
parent e946217e4f
commit 9cc4581528
1 changed files with 10 additions and 4 deletions
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14
arch/mips/txx9/rbtx4939/setup.c
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@ -308,16 +308,22 @@ static void __init rbtx4939_device_init(void)
#if defined(CONFIG_TC35815) || defined(CONFIG_TC35815_MODULE)
int i, j;
unsigned char ethaddr[2][6];
u8 bdipsw = readb(rbtx4939_bdipsw_addr) & 0x0f;
for (i = 0; i < 2; i++) {
unsigned long area = CKSEG1 + 0x1fff0000 + (i * 0x10);
if (readb(rbtx4939_bdipsw_addr) & 8) {
if (bdipsw == 0)
memcpy(ethaddr[i], (void *)area, 6);
else {
u16 buf[3];
area -= 0x03000000;
if (bdipsw & 8)
area -= 0x03000000;
else
area -= 0x01000000;
for (j = 0; j < 3; j++)
buf[j] = le16_to_cpup((u16 *)(area + j * 2));
memcpy(ethaddr[i], buf, 6);
} else
memcpy(ethaddr[i], (void *)area, 6);
}
}
tx4939_ethaddr_init(ethaddr[0], ethaddr[1]);
#endif