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ax88796: Add method to take MAC from platform data

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Implement a way to provide the MAC address for ax88796 devices from
their platform data. Boards might decide to set the address
programmatically, taken from boot tags or other sources.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Mack 2009-03-24 23:32:03 -07:00 committed by David S. Miller
parent 47cb035560
commit 67fca028f1
2 changed files with 20 additions and 10 deletions
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17
drivers/net/ax88796.c
View File

@ -733,12 +733,19 @@ static int ax_init_dev(struct net_device *dev, int first_init)
/* load the mac-address from the device if this is the
* first time we've initialised */
if (first_init && ax->plat->flags & AXFLG_MAC_FROMDEV) {
ei_outb(E8390_NODMA + E8390_PAGE1 + E8390_STOP,
ei_local->mem + E8390_CMD); /* 0x61 */
if (first_init) {
if (ax->plat->flags & AXFLG_MAC_FROMDEV) {
ei_outb(E8390_NODMA + E8390_PAGE1 + E8390_STOP,
ei_local->mem + E8390_CMD); /* 0x61 */
for (i = 0; i < ETHER_ADDR_LEN; i++)
dev->dev_addr[i] =
ei_inb(ioaddr + EN1_PHYS_SHIFT(i));
}
for (i = 0 ; i < ETHER_ADDR_LEN ; i++)
dev->dev_addr[i] = ei_inb(ioaddr + EN1_PHYS_SHIFT(i));
if ((ax->plat->flags & AXFLG_MAC_FROMPLATFORM) &&
ax->plat->mac_addr)
memcpy(dev->dev_addr, ax->plat->mac_addr,
ETHER_ADDR_LEN);
}
ax_reset_8390(dev);

13
include/net/ax88796.h
View File

@ -15,14 +15,17 @@
#define AXFLG_HAS_EEPROM (1<<0)
#define AXFLG_MAC_FROMDEV (1<<1) /* device already has MAC */
#define AXFLG_HAS_93CX6 (1<<2) /* use eeprom_93cx6 driver */
#define AXFLG_MAC_FROMPLATFORM (1<<3) /* MAC given by platform data */
struct ax_plat_data {
unsigned int flags;
unsigned char wordlength; /* 1 or 2 */
unsigned char dcr_val; /* default value for DCR */
unsigned char rcr_val; /* default value for RCR */
unsigned char gpoc_val; /* default value for GPOC */
u32 *reg_offsets; /* register offsets */
unsigned char wordlength; /* 1 or 2 */
unsigned char dcr_val; /* default value for DCR */
unsigned char rcr_val; /* default value for RCR */
unsigned char gpoc_val; /* default value for GPOC */
u32 *reg_offsets; /* register offsets */
u8 *mac_addr; /* MAC addr (only used when
AXFLG_MAC_FROMPLATFORM is used */
};
#endif /* __NET_AX88796_PLAT_H */