TLAN_CH_PARM
outl(virt_to_bus(&rx_ring), BASE + TLAN_CH_PARM);
printf("AC: 0x%hX\n", inw(BASE + TLAN_CH_PARM));
outl(virt_to_le32desc(tail_list), BASE + TLAN_CH_PARM);
outl(virt_to_le32desc(head_list), BASE + TLAN_CH_PARM);
outl(virt_to_le32desc(head_list), BASE + TLAN_CH_PARM);