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82575EB Gigabit Ethernet Controller — EEPROM-Less Support
Intel
®
82575EB Gigabit Ethernet Controller 324632-003
Software Developer’s Manual and EEPROM Guide Revision: 2.1
48 January 2011
e1000_write_8bit_ctrl_reg(E1000_GIOCTL, 0x2F, 0x81);
/* PCIe PLL Configuration */
e1000_write_8bit_ctrl_reg(E1000_SCCTL, 0x02, 0x47);
e1000_write_8bit_ctrl_reg(E1000_SCCTL, 0x14, 0x00);
e1000_write_8bit_ctrl_reg(E1000_SCCTL, 0x10, 0x00);
}
}
/**
* e1000_write_8bit_ctrl_reg - Write a 8bit CTRL register
* INPUTS
* reg: 32-bit register offset such as E1000_SCTL
* offset: register offset to write to
* data: data to write at register offset
*
* Writes an address/data control type register. There are several of these
* and they all have the format address << 8 | data and bit 31 is polled for
* completion.
**/
s32
e1000_write_8bit_ctrl_reg (u32 reg, u32 offset, u8 data)
{
u32 i, regvalue = 0;
s32 ret_val = E1000_SUCCESS;
/* Set up the address and data */
regvalue = ((u32)data) | (offset << E1000_GEN_CTL_ADDRESS_SHIFT);
E1000_WRITE_REG(reg, regvalue);