/**
* e1000_configure_tx - Configure 8254x Transmit Unit after Reset
* @adapter: board private structure
*
* Configure the Tx unit of the MAC after a reset.
**/
static void e1000_configure_tx ( struct e1000_adapter *adapter )
{
struct e1000_hw *hw = &adapter->hw;
uint32_t tctl;
DBG ( "e1000_configure_tx\n" );
E1000_WRITE_REG ( hw, E1000_TDBAH(0), 0 );
E1000_WRITE_REG ( hw, E1000_TDBAL(0), virt_to_bus ( adapter->tx_base ) );
E1000_WRITE_REG ( hw, E1000_TDLEN(0), adapter->tx_ring_size );
DBG ( "E1000_TDBAL(0): %#08x\n", E1000_READ_REG ( hw, E1000_TDBAL(0) ) );
DBG ( "E1000_TDLEN(0): %d\n", E1000_READ_REG ( hw, E1000_TDLEN(0) ) );
/* Setup the HW Tx Head and Tail descriptor pointers */
E1000_WRITE_REG ( hw, E1000_TDH(0), 0 );
E1000_WRITE_REG ( hw, E1000_TDT(0), 0 );
adapter->tx_head = 0;
adapter->tx_tail = 0;
adapter->tx_fill_ctr = 0;
/* Setup Transmit Descriptor Settings for eop descriptor */
tctl = E1000_TCTL_PSP | E1000_TCTL_EN |
(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT) |
(E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT);
e1000_config_collision_dist ( hw );
E1000_WRITE_REG ( hw, E1000_TCTL, tctl );
E1000_WRITE_FLUSH ( hw );
}
/*------------------------------------------------------------------------
* _82545EM_configure_tx - Configure Transmit Unit after Reset
*------------------------------------------------------------------------
*/
local void _82545EM_configure_tx(
struct ether *ethptr
)
{
uint32 tctl, tipg, txdctl;
uint32 ipgr1, ipgr2;
/* Set the transmit descriptor write-back policy for both queues */
txdctl = e1000_io_readl(ethptr->iobase, E1000_TXDCTL(0));
txdctl &= ~E1000_TXDCTL_WTHRESH;
txdctl |= E1000_TXDCTL_GRAN;
e1000_io_writel(ethptr->iobase, E1000_TXDCTL(0), txdctl);
/* Program the Transmit Control Register */
tctl = e1000_io_readl(ethptr->iobase, E1000_TCTL);
tctl &= ~E1000_TCTL_CT;
tctl |= E1000_TCTL_RTLC |
E1000_TCTL_EN |
E1000_TCTL_PSP |
(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
tctl &= ~E1000_TCTL_COLD;
tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT;
/* Set the default values for the Tx Inter Packet Gap timer */
tipg = E1000_TIPG_IPGT_COPPER_DEFAULT;
ipgr1 = E1000_TIPG_IPGR1_DEFAULT;
ipgr2 = E1000_TIPG_IPGR2_DEFAULT;
tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
e1000_io_writel(ethptr->iobase, E1000_TIPG, tipg);
/* Set the Tx Interrupt Delay register */
e1000_io_writel(ethptr->iobase, E1000_TIDV, E1000_TIDV_DEFAULT);
e1000_io_writel(ethptr->iobase, E1000_TADV, E1000_TADV_DEFAULT);
/* Setup the HW Tx Head and Tail descriptor pointers */
e1000_io_writel(ethptr->iobase, E1000_TDBAL(0),
(uint32)ethptr->txRing);
e1000_io_writel(ethptr->iobase, E1000_TDBAH(0), 0);
e1000_io_writel(ethptr->iobase, E1000_TDLEN(0),
E1000_TDSIZE * ethptr->txRingSize);
e1000_io_writel(ethptr->iobase, E1000_TDH(0), 0);
e1000_io_writel(ethptr->iobase, E1000_TDT(0), 0);
e1000_io_writel(ethptr->iobase, E1000_TCTL, tctl);
}
/**
* e1000_translate_register_82542 - Translate the proper register offset
* @reg: e1000 register to be read
*
* Registers in 82542 are located in different offsets than other adapters
* even though they function in the same manner. This function takes in
* the name of the register to read and returns the correct offset for
* 82542 silicon.
**/
u32 e1000_translate_register_82542(u32 reg)
{
/*
* Some of the 82542 registers are located at different
* offsets than they are in newer adapters.
* Despite the difference in location, the registers
* function in the same manner.
*/
switch (reg) {
case E1000_RA:
reg = 0x00040;
break;
case E1000_RDTR:
reg = 0x00108;
break;
case E1000_RDBAL(0):
reg = 0x00110;
break;
case E1000_RDBAH(0):
reg = 0x00114;
break;
case E1000_RDLEN(0):
reg = 0x00118;
break;
case E1000_RDH(0):
reg = 0x00120;
break;
case E1000_RDT(0):
reg = 0x00128;
break;
case E1000_RDBAL(1):
reg = 0x00138;
break;
case E1000_RDBAH(1):
reg = 0x0013C;
break;
case E1000_RDLEN(1):
reg = 0x00140;
break;
case E1000_RDH(1):
reg = 0x00148;
break;
case E1000_RDT(1):
reg = 0x00150;
break;
case E1000_FCRTH:
reg = 0x00160;
break;
case E1000_FCRTL:
reg = 0x00168;
break;
case E1000_MTA:
reg = 0x00200;
break;
case E1000_TDBAL(0):
reg = 0x00420;
break;
case E1000_TDBAH(0):
reg = 0x00424;
break;
case E1000_TDLEN(0):
reg = 0x00428;
break;
case E1000_TDH(0):
reg = 0x00430;
break;
case E1000_TDT(0):
reg = 0x00438;
break;
case E1000_TIDV:
reg = 0x00440;
break;
case E1000_VFTA:
reg = 0x00600;
break;
case E1000_TDFH:
reg = 0x08010;
break;
case E1000_TDFT:
reg = 0x08018;
break;
default:
break;
}
return reg;
}
static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data)
{
struct e1000_hw *hw = &adapter->hw;
struct e1000_mac_info *mac = &adapter->hw.mac;
u32 value;
u32 before;
u32 after;
u32 i;
u32 toggle;
u32 mask;
u32 wlock_mac = 0;
/*
* The status register is Read Only, so a write should fail.
* Some bits that get toggled are ignored.
*/
switch (mac->type) {
/* there are several bits on newer hardware that are r/w */
case e1000_82571:
case e1000_82572:
case e1000_80003es2lan:
toggle = 0x7FFFF3FF;
break;
default:
toggle = 0x7FFFF033;
break;
}
before = er32(STATUS);
value = (er32(STATUS) & toggle);
ew32(STATUS, toggle);
after = er32(STATUS) & toggle;
if (value != after) {
e_err("failed STATUS register test got: 0x%08X expected: 0x%08X\n",
after, value);
*data = 1;
return 1;
}
/* restore previous status */
ew32(STATUS, before);
if (!(adapter->flags & FLAG_IS_ICH)) {
REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF);
REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF);
REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF);
REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF);
}
REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF);
REG_PATTERN_TEST(E1000_RDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
REG_PATTERN_TEST(E1000_RDLEN(0), 0x000FFF80, 0x000FFFFF);
REG_PATTERN_TEST(E1000_RDH(0), 0x0000FFFF, 0x0000FFFF);
REG_PATTERN_TEST(E1000_RDT(0), 0x0000FFFF, 0x0000FFFF);
REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8);
REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF);
REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF);
REG_PATTERN_TEST(E1000_TDBAH(0), 0xFFFFFFFF, 0xFFFFFFFF);
REG_PATTERN_TEST(E1000_TDLEN(0), 0x000FFF80, 0x000FFFFF);
REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000);
before = ((adapter->flags & FLAG_IS_ICH) ? 0x06C3B33E : 0x06DFB3FE);
REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB);
REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000);
REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF);
REG_PATTERN_TEST(E1000_RDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
if (!(adapter->flags & FLAG_IS_ICH))
REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF);
REG_PATTERN_TEST(E1000_TDBAL(0), 0xFFFFFFF0, 0xFFFFFFFF);
REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF);
mask = 0x8003FFFF;
switch (mac->type) {
case e1000_ich10lan:
case e1000_pchlan:
case e1000_pch2lan:
case e1000_pch_lpt:
mask |= (1 << 18);
break;
default:
break;
}
if (mac->type == e1000_pch_lpt)
wlock_mac = (er32(FWSM) & E1000_FWSM_WLOCK_MAC_MASK) >>
E1000_FWSM_WLOCK_MAC_SHIFT;
for (i = 0; i < mac->rar_entry_count; i++) {
/* Cannot test write-protected SHRAL[n] registers */
if ((wlock_mac == 1) || (wlock_mac && (i > wlock_mac)))
continue;
REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1),
mask, 0xFFFFFFFF);
}
for (i = 0; i < mac->mta_reg_count; i++)
REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF);
*data = 0;
return 0;
}
/**
* e1000_configure_tx - Configure 8254x Transmit Unit after Reset
* @adapter: board private structure
*
* Configure the Tx unit of the MAC after a reset.
**/
static void e1000e_configure_tx ( struct e1000_adapter *adapter )
{
struct e1000_hw *hw = &adapter->hw;
u32 tctl, tipg, tarc;
u32 ipgr1, ipgr2;
DBGP ( "e1000_configure_tx\n" );
/* disable transmits while setting up the descriptors */
tctl = E1000_READ_REG ( hw, E1000_TCTL );
E1000_WRITE_REG ( hw, E1000_TCTL, tctl & ~E1000_TCTL_EN );
e1e_flush();
mdelay(10);
E1000_WRITE_REG ( hw, E1000_TDBAH(0), 0 );
E1000_WRITE_REG ( hw, E1000_TDBAL(0), virt_to_bus ( adapter->tx_base ) );
E1000_WRITE_REG ( hw, E1000_TDLEN(0), adapter->tx_ring_size );
DBG ( "E1000_TDBAL(0): %#08x\n", E1000_READ_REG ( hw, E1000_TDBAL(0) ) );
DBG ( "E1000_TDLEN(0): %d\n", E1000_READ_REG ( hw, E1000_TDLEN(0) ) );
/* Setup the HW Tx Head and Tail descriptor pointers */
E1000_WRITE_REG ( hw, E1000_TDH(0), 0 );
E1000_WRITE_REG ( hw, E1000_TDT(0), 0 );
adapter->tx_head = 0;
adapter->tx_tail = 0;
adapter->tx_fill_ctr = 0;
/* Set the default values for the Tx Inter Packet Gap timer */
tipg = DEFAULT_82543_TIPG_IPGT_COPPER; /* 8 */
ipgr1 = DEFAULT_82543_TIPG_IPGR1; /* 8 */
ipgr2 = DEFAULT_82543_TIPG_IPGR2; /* 6 */
if (adapter->flags & FLAG_TIPG_MEDIUM_FOR_80003ESLAN)
ipgr2 = DEFAULT_80003ES2LAN_TIPG_IPGR2; /* 7 */
tipg |= ipgr1 << E1000_TIPG_IPGR1_SHIFT;
tipg |= ipgr2 << E1000_TIPG_IPGR2_SHIFT;
ew32(TIPG, tipg);
/* Program the Transmit Control Register */
tctl = er32(TCTL);
tctl &= ~E1000_TCTL_CT;
tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
if (adapter->flags & FLAG_TARC_SPEED_MODE_BIT) {
tarc = er32(TARC(0));
/*
* set the speed mode bit, we'll clear it if we're not at
* gigabit link later
*/
#define SPEED_MODE_BIT (1 << 21)
tarc |= SPEED_MODE_BIT;
ew32(TARC(0), tarc);
}
/* errata: program both queues to unweighted RR */
if (adapter->flags & FLAG_TARC_SET_BIT_ZERO) {
tarc = er32(TARC(0));
tarc |= 1;
ew32(TARC(0), tarc);
tarc = er32(TARC(1));
tarc |= 1;
ew32(TARC(1), tarc);
}
/* Setup Transmit Descriptor Settings for eop descriptor */
adapter->txd_cmd = E1000_TXD_CMD_EOP | E1000_TXD_CMD_IFCS;
/* enable Report Status bit */
adapter->txd_cmd |= E1000_TXD_CMD_RS;
/*
* enable transmits in the hardware, need to do this
* after setting TARC(0)
*/
tctl |= E1000_TCTL_EN;
ew32(TCTL, tctl);
e1e_flush();
e1000e_config_collision_dist(hw);
}
/*
* mac_dump - dump important mac registers
*/
void
mac_dump(void *instance)
{
struct e1000g *Adapter = (struct e1000g *)instance;
struct e1000_hw *hw = &Adapter->shared;
int i;
/* {name, offset} for each mac register */
Regi_t macreg[NUM_REGS] = {
{"CTRL", E1000_CTRL}, {"STATUS", E1000_STATUS},
{"EECD", E1000_EECD}, {"EERD", E1000_EERD},
{"CTRL_EXT", E1000_CTRL_EXT}, {"FLA", E1000_FLA},
{"MDIC", E1000_MDIC}, {"SCTL", E1000_SCTL},
{"FCAL", E1000_FCAL}, {"FCAH", E1000_FCAH},
{"FCT", E1000_FCT}, {"VET", E1000_VET},
{"ICR", E1000_ICR}, {"ITR", E1000_ITR},
{"ICS", E1000_ICS}, {"IMS", E1000_IMS},
{"IMC", E1000_IMC}, {"IAM", E1000_IAM},
{"RCTL", E1000_RCTL}, {"FCTTV", E1000_FCTTV},
{"TXCW", E1000_TXCW}, {"RXCW", E1000_RXCW},
{"TCTL", E1000_TCTL}, {"TIPG", E1000_TIPG},
{"AIT", E1000_AIT}, {"LEDCTL", E1000_LEDCTL},
{"PBA", E1000_PBA}, {"PBS", E1000_PBS},
{"EEMNGCTL", E1000_EEMNGCTL}, {"ERT", E1000_ERT},
{"FCRTL", E1000_FCRTL}, {"FCRTH", E1000_FCRTH},
{"PSRCTL", E1000_PSRCTL}, {"RDBAL(0)", E1000_RDBAL(0)},
{"RDBAH(0)", E1000_RDBAH(0)}, {"RDLEN(0)", E1000_RDLEN(0)},
{"RDH(0)", E1000_RDH(0)}, {"RDT(0)", E1000_RDT(0)},
{"RDTR", E1000_RDTR}, {"RXDCTL(0)", E1000_RXDCTL(0)},
{"RADV", E1000_RADV}, {"RDBAL(1)", E1000_RDBAL(1)},
{"RDBAH(1)", E1000_RDBAH(1)}, {"RDLEN(1)", E1000_RDLEN(1)},
{"RDH(1)", E1000_RDH(1)}, {"RDT(1)", E1000_RDT(1)},
{"RXDCTL(1)", E1000_RXDCTL(1)}, {"RSRPD", E1000_RSRPD},
{"RAID", E1000_RAID}, {"CPUVEC", E1000_CPUVEC},
{"TDFH", E1000_TDFH}, {"TDFT", E1000_TDFT},
{"TDFHS", E1000_TDFHS}, {"TDFTS", E1000_TDFTS},
{"TDFPC", E1000_TDFPC}, {"TDBAL(0)", E1000_TDBAL(0)},
{"TDBAH(0)", E1000_TDBAH(0)}, {"TDLEN(0)", E1000_TDLEN(0)},
{"TDH(0)", E1000_TDH(0)}, {"TDT(0)", E1000_TDT(0)},
{"TIDV", E1000_TIDV}, {"TXDCTL(0)", E1000_TXDCTL(0)},
{"TADV", E1000_TADV}, {"TARC(0)", E1000_TARC(0)},
{"TDBAL(1)", E1000_TDBAL(1)}, {"TDBAH(1)", E1000_TDBAH(1)},
{"TDLEN(1)", E1000_TDLEN(1)}, {"TDH(1)", E1000_TDH(1)},
{"TDT(1)", E1000_TDT(1)}, {"TXDCTL(1)", E1000_TXDCTL(1)},
{"TARC(1)", E1000_TARC(1)}, {"ALGNERRC", E1000_ALGNERRC},
{"RXERRC", E1000_RXERRC}, {"MPC", E1000_MPC},
{"SCC", E1000_SCC}, {"ECOL", E1000_ECOL},
{"MCC", E1000_MCC}, {"LATECOL", E1000_LATECOL},
{"COLC", E1000_COLC}, {"DC", E1000_DC},
{"TNCRS", E1000_TNCRS}, {"SEC", E1000_SEC},
{"CEXTERR", E1000_CEXTERR}, {"RLEC", E1000_RLEC},
{"XONRXC", E1000_XONRXC}, {"XONTXC", E1000_XONTXC},
{"XOFFRXC", E1000_XOFFRXC}, {"XOFFTXC", E1000_XOFFTXC},
{"FCRUC", E1000_FCRUC}, {"PRC64", E1000_PRC64},
{"PRC127", E1000_PRC127}, {"PRC255", E1000_PRC255},
{"PRC511", E1000_PRC511}, {"PRC1023", E1000_PRC1023},
{"PRC1522", E1000_PRC1522}, {"GPRC", E1000_GPRC},
{"BPRC", E1000_BPRC}, {"MPRC", E1000_MPRC},
{"GPTC", E1000_GPTC}, {"GORCL", E1000_GORCL},
{"GORCH", E1000_GORCH}, {"GOTCL", E1000_GOTCL},
{"GOTCH", E1000_GOTCH}, {"RNBC", E1000_RNBC},
{"RUC", E1000_RUC}, {"RFC", E1000_RFC},
{"ROC", E1000_ROC}, {"RJC", E1000_RJC},
{"MGTPRC", E1000_MGTPRC}, {"MGTPDC", E1000_MGTPDC},
{"MGTPTC", E1000_MGTPTC}, {"TORL", E1000_TORL},
{"TORH", E1000_TORH}, {"TOTL", E1000_TOTL},
{"TOTH", E1000_TOTH}, {"TPR", E1000_TPR},
{"TPT", E1000_TPT}, {"PTC64", E1000_PTC64},
{"PTC127", E1000_PTC127}, {"PTC255", E1000_PTC255},
{"PTC511", E1000_PTC511}, {"PTC1023", E1000_PTC1023},
{"PTC1522", E1000_PTC1522}, {"MPTC", E1000_MPTC},
{"BPTC", E1000_BPTC}, {"TSCTC", E1000_TSCTC},
{"TSCTFC", E1000_TSCTFC}, {"IAC", E1000_IAC},
{"ICRXPTC", E1000_ICRXPTC}, {"ICRXATC", E1000_ICRXATC},
{"ICTXPTC", E1000_ICTXPTC}, {"ICTXATC", E1000_ICTXATC},
{"ICTXQEC", E1000_ICTXQEC}, {"ICTXQMTC", E1000_ICTXQMTC},
{"ICRXDMTC", E1000_ICRXDMTC}, {"ICRXOC", E1000_ICRXOC},
{"RXCSUM", E1000_RXCSUM}, {"RFCTL", E1000_RFCTL},
{"WUC", E1000_WUC}, {"WUFC", E1000_WUFC},
{"WUS", E1000_WUS}, {"MRQC", E1000_MRQC},
{"MANC", E1000_MANC}, {"IPAV", E1000_IPAV},
{"MANC2H", E1000_MANC2H}, {"RSSIM", E1000_RSSIM},
{"RSSIR", E1000_RSSIR}, {"WUPL", E1000_WUPL},
{"GCR", E1000_GCR}, {"GSCL_1", E1000_GSCL_1},
{"GSCL_2", E1000_GSCL_2}, {"GSCL_3", E1000_GSCL_3},
{"GSCL_4", E1000_GSCL_4}, {"FACTPS", E1000_FACTPS},
{"FWSM", E1000_FWSM},
};
e1000g_log(Adapter, CE_CONT, "Begin MAC dump\n");
for (i = 0; i < NUM_REGS; i++) {
e1000g_log(Adapter, CE_CONT,
"macreg %10s offset: 0x%x value: 0x%x\n",
macreg[i].name, macreg[i].offset,
e1000_read_reg(hw, macreg[i].offset));
}
}