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E1000 - reading EEPROM

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- once the DONE bit is set, we already have the data
This commit is contained in:
Tomas Hruby 2011-07-07 17:24:26 +00:00 committed by Tomas Hruby
parent 48a4ff2307
commit 123cf7fe37
1 changed files with 3 additions and 7 deletions
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10
drivers/e1000/e1000.c
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@ -941,20 +941,16 @@ void *v;
int reg; int reg;
{ {
e1000_t *e = (e1000_t *) v; e1000_t *e = (e1000_t *) v;
u16_t data; u32_t data;
/* Request EEPROM read. */ /* Request EEPROM read. */
e1000_reg_write(e, E1000_REG_EERD, e1000_reg_write(e, E1000_REG_EERD,
(reg << e->eeprom_addr_off) | (E1000_REG_EERD_START)); (reg << e->eeprom_addr_off) | (E1000_REG_EERD_START));
/* Wait until ready. */ /* Wait until ready. */
while (!(e1000_reg_read(e, E1000_REG_EERD) & while (!(data = (e1000_reg_read(e, E1000_REG_EERD)) & e->eeprom_done_bit));
e->eeprom_done_bit));
/* Fetch data. */ return data >> 16;
data = (e1000_reg_read(e, E1000_REG_EERD) &
E1000_REG_EERD_DATA) >> 16;
return data;
} }
/*===========================================================================* /*===========================================================================*