* Copyright (C) Linux Networx.
* Massive upgrade to work with the new intel gigabit NICs.
* <ebiederman at lnxi dot com>
+ *
+ * Copyright 2011 Freescale Semiconductor, Inc.
*/
#include "e1000.h"
#define virt_to_bus(devno, v) pci_virt_to_mem(devno, (void *) (v))
#define bus_to_phys(devno, a) pci_mem_to_phys(devno, a)
-#define mdelay(n) udelay((n)*1000)
#define E1000_DEFAULT_PCI_PBA 0x00000030
#define E1000_DEFAULT_PCIE_PBA 0x000a0026
static int tx_tail;
static int rx_tail, rx_last;
-static struct pci_device_id supported[] = {
+static struct pci_device_id e1000_supported[] = {
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82542},
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82543GC_FIBER},
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82543GC_COPPER},
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82573E},
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82573E_IAMT},
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82573L},
+ {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82574L},
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82546GB_QUAD_COPPER_KSP3},
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_80003ES2LAN_COPPER_DPT},
{PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_80003ES2LAN_SERDES_DPT},
static int32_t e1000_swfw_sync_acquire(struct e1000_hw *hw, uint16_t mask);
static int32_t e1000_check_phy_reset_block(struct e1000_hw *hw);
-#define E1000_WRITE_REG(a, reg, value) (writel((value), ((a)->hw_addr + E1000_##reg)))
-#define E1000_READ_REG(a, reg) (readl((a)->hw_addr + E1000_##reg))
-#define E1000_WRITE_REG_ARRAY(a, reg, offset, value) (\
- writel((value), ((a)->hw_addr + E1000_##reg + ((offset) << 2))))
-#define E1000_READ_REG_ARRAY(a, reg, offset) ( \
- readl((a)->hw_addr + E1000_##reg + ((offset) << 2)))
-#define E1000_WRITE_FLUSH(a) {uint32_t x; x = E1000_READ_REG(a, STATUS);}
-
-#ifndef CONFIG_AP1000 /* remove for warnings */
+
static int32_t e1000_read_eeprom(struct e1000_hw *hw, uint16_t offset,
uint16_t words,
uint16_t *data);
* hw - Struct containing variables accessed by shared code
* eecd - EECD's current value
*****************************************************************************/
-static void
-e1000_raise_ee_clk(struct e1000_hw *hw, uint32_t * eecd)
+void e1000_raise_ee_clk(struct e1000_hw *hw, uint32_t * eecd)
{
/* Raise the clock input to the EEPROM (by setting the SK bit), and then
* wait 50 microseconds.
* hw - Struct containing variables accessed by shared code
* eecd - EECD's current value
*****************************************************************************/
-static void
-e1000_lower_ee_clk(struct e1000_hw *hw, uint32_t * eecd)
+void e1000_lower_ee_clk(struct e1000_hw *hw, uint32_t * eecd)
{
/* Lower the clock input to the EEPROM (by clearing the SK bit), and then
* wait 50 microseconds.
*
* hw - Struct containing variables accessed by shared code
*****************************************************************************/
-static void
-e1000_standby_eeprom(struct e1000_hw *hw)
+void e1000_standby_eeprom(struct e1000_hw *hw)
{
struct e1000_eeprom_info *eeprom = &hw->eeprom;
uint32_t eecd;
*
* hw - Struct containing variables accessed by shared code
****************************************************************************/
-static boolean_t e1000_is_onboard_nvm_eeprom(struct e1000_hw *hw)
+static bool e1000_is_onboard_nvm_eeprom(struct e1000_hw *hw)
{
uint32_t eecd = 0;
DEBUGFUNC();
if (hw->mac_type == e1000_ich8lan)
- return FALSE;
+ return false;
- if (hw->mac_type == e1000_82573) {
+ if (hw->mac_type == e1000_82573 || hw->mac_type == e1000_82574) {
eecd = E1000_READ_REG(hw, EECD);
/* Isolate bits 15 & 16 */
/* If both bits are set, device is Flash type */
if (eecd == 0x03)
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
/******************************************************************************
* Lowers EEPROM clock. Clears input pin. Sets the chip select pin. This
* function should be called before issuing a command to the EEPROM.
*****************************************************************************/
-static int32_t
-e1000_acquire_eeprom(struct e1000_hw *hw)
+int32_t e1000_acquire_eeprom(struct e1000_hw *hw)
{
struct e1000_eeprom_info *eeprom = &hw->eeprom;
uint32_t eecd, i = 0;
return -E1000_ERR_SWFW_SYNC;
eecd = E1000_READ_REG(hw, EECD);
- if (hw->mac_type != e1000_82573) {
+ if (hw->mac_type != e1000_82573 || hw->mac_type != e1000_82574) {
/* Request EEPROM Access */
if (hw->mac_type > e1000_82544) {
eecd |= E1000_EECD_REQ;
eeprom->opcode_bits = 3;
eeprom->address_bits = 6;
eeprom->delay_usec = 50;
- eeprom->use_eerd = FALSE;
- eeprom->use_eewr = FALSE;
+ eeprom->use_eerd = false;
+ eeprom->use_eewr = false;
break;
case e1000_82540:
case e1000_82545:
eeprom->word_size = 64;
eeprom->address_bits = 6;
}
- eeprom->use_eerd = FALSE;
- eeprom->use_eewr = FALSE;
+ eeprom->use_eerd = false;
+ eeprom->use_eewr = false;
break;
case e1000_82541:
case e1000_82541_rev_2:
eeprom->address_bits = 6;
}
}
- eeprom->use_eerd = FALSE;
- eeprom->use_eewr = FALSE;
+ eeprom->use_eerd = false;
+ eeprom->use_eewr = false;
break;
case e1000_82571:
case e1000_82572:
eeprom->page_size = 8;
eeprom->address_bits = 8;
}
- eeprom->use_eerd = FALSE;
- eeprom->use_eewr = FALSE;
+ eeprom->use_eerd = false;
+ eeprom->use_eewr = false;
break;
case e1000_82573:
+ case e1000_82574:
eeprom->type = e1000_eeprom_spi;
eeprom->opcode_bits = 8;
eeprom->delay_usec = 1;
eeprom->page_size = 8;
eeprom->address_bits = 8;
}
- eeprom->use_eerd = TRUE;
- eeprom->use_eewr = TRUE;
- if (e1000_is_onboard_nvm_eeprom(hw) == FALSE) {
+ eeprom->use_eerd = true;
+ eeprom->use_eewr = true;
+ if (e1000_is_onboard_nvm_eeprom(hw) == false) {
eeprom->type = e1000_eeprom_flash;
eeprom->word_size = 2048;
eeprom->page_size = 8;
eeprom->address_bits = 8;
}
- eeprom->use_eerd = TRUE;
- eeprom->use_eewr = FALSE;
+ eeprom->use_eerd = true;
+ eeprom->use_eewr = false;
break;
/* ich8lan does not support currently. if needed, please
int32_t i = 0;
eeprom->type = e1000_eeprom_ich8;
- eeprom->use_eerd = FALSE;
- eeprom->use_eewr = FALSE;
+ eeprom->use_eerd = false;
+ eeprom->use_eewr = false;
eeprom->word_size = E1000_SHADOW_RAM_WORDS;
uint32_t flash_size = E1000_READ_ICH_FLASH_REG(hw,
ICH_FLASH_GFPREG);
* so as to save time for driver init */
if (hw->eeprom_shadow_ram != NULL) {
for (i = 0; i < E1000_SHADOW_RAM_WORDS; i++) {
- hw->eeprom_shadow_ram[i].modified = FALSE;
+ hw->eeprom_shadow_ram[i].modified = false;
hw->eeprom_shadow_ram[i].eeprom_word = 0xFFFF;
}
}
return error;
}
-static void
-e1000_release_eeprom(struct e1000_hw *hw)
+void e1000_release_eeprom(struct e1000_hw *hw)
{
uint32_t eecd;
* directly. In this case, we need to acquire the EEPROM so that
* FW or other port software does not interrupt.
*/
- if (e1000_is_onboard_nvm_eeprom(hw) == TRUE &&
- hw->eeprom.use_eerd == FALSE) {
+ if (e1000_is_onboard_nvm_eeprom(hw) == true &&
+ hw->eeprom.use_eerd == false) {
/* Prepare the EEPROM for bit-bang reading */
if (e1000_acquire_eeprom(hw) != E1000_SUCCESS)
}
/* Eerd register EEPROM access requires no eeprom aquire/release */
- if (eeprom->use_eerd == TRUE)
+ if (eeprom->use_eerd == true)
return e1000_read_eeprom_eerd(hw, offset, words, data);
/* ich8lan does not support currently. if needed, please
* If the the sum of the 64 16 bit words is 0xBABA, the EEPROM's checksum is
* valid.
*****************************************************************************/
-static int
-e1000_validate_eeprom_checksum(struct eth_device *nic)
+static int e1000_validate_eeprom_checksum(struct e1000_hw *hw)
{
- struct e1000_hw *hw = nic->priv;
- uint16_t checksum = 0;
- uint16_t i, eeprom_data;
+ uint16_t i, checksum, checksum_reg, *buf;
DEBUGFUNC();
- for (i = 0; i < (EEPROM_CHECKSUM_REG + 1); i++) {
- if (e1000_read_eeprom(hw, i, 1, &eeprom_data) < 0) {
- DEBUGOUT("EEPROM Read Error\n");
- return -E1000_ERR_EEPROM;
- }
- checksum += eeprom_data;
+ /* Allocate a temporary buffer */
+ buf = malloc(sizeof(buf[0]) * (EEPROM_CHECKSUM_REG + 1));
+ if (!buf) {
+ E1000_ERR(hw->nic, "Unable to allocate EEPROM buffer!\n");
+ return -E1000_ERR_EEPROM;
}
- if (checksum == (uint16_t) EEPROM_SUM) {
- return 0;
- } else {
- DEBUGOUT("EEPROM Checksum Invalid\n");
+ /* Read the EEPROM */
+ if (e1000_read_eeprom(hw, 0, EEPROM_CHECKSUM_REG + 1, buf) < 0) {
+ E1000_ERR(hw->nic, "Unable to read EEPROM!\n");
return -E1000_ERR_EEPROM;
}
+
+ /* Compute the checksum */
+ checksum = 0;
+ for (i = 0; i < EEPROM_CHECKSUM_REG; i++)
+ checksum += buf[i];
+ checksum = ((uint16_t)EEPROM_SUM) - checksum;
+ checksum_reg = buf[i];
+
+ /* Verify it! */
+ if (checksum == checksum_reg)
+ return 0;
+
+ /* Hrm, verification failed, print an error */
+ E1000_ERR(hw->nic, "EEPROM checksum is incorrect!\n");
+ E1000_ERR(hw->nic, " ...register was 0x%04hx, calculated 0x%04hx\n",
+ checksum_reg, checksum);
+
+ return -E1000_ERR_EEPROM;
}
/*****************************************************************************
if (ret_val)
return ret_val;
- hw->phy_reset_disable = FALSE;
+ hw->phy_reset_disable = false;
}
}
return E1000_SUCCESS;
}
-#endif /* #ifndef CONFIG_AP1000 */
/***************************************************************************
*
return E1000_SUCCESS;
}
+static bool e1000_is_second_port(struct e1000_hw *hw)
+{
+ switch (hw->mac_type) {
+ case e1000_80003es2lan:
+ case e1000_82546:
+ case e1000_82571:
+ if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
+ return true;
+ /* Fallthrough */
+ default:
+ return false;
+ }
+}
+
/******************************************************************************
* Reads the adapter's MAC address from the EEPROM and inverts the LSB for the
* second function of dual function devices
static int
e1000_read_mac_addr(struct eth_device *nic)
{
-#ifndef CONFIG_AP1000
struct e1000_hw *hw = nic->priv;
uint16_t offset;
uint16_t eeprom_data;
nic->enetaddr[i] = eeprom_data & 0xff;
nic->enetaddr[i + 1] = (eeprom_data >> 8) & 0xff;
}
- if ((hw->mac_type == e1000_82546) &&
- (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)) {
- /* Invert the last bit if this is the second device */
- nic->enetaddr[5] += 1;
- }
+
+ /* Invert the last bit if this is the second device */
+ if (e1000_is_second_port(hw))
+ nic->enetaddr[5] ^= 1;
+
#ifdef CONFIG_E1000_FALLBACK_MAC
- if ( *(u32*)(nic->enetaddr) == 0 || *(u32*)(nic->enetaddr) == ~0 ) {
+ if (!is_valid_ether_addr(nic->enetaddr)) {
unsigned char fb_mac[NODE_ADDRESS_SIZE] = CONFIG_E1000_FALLBACK_MAC;
memcpy (nic->enetaddr, fb_mac, NODE_ADDRESS_SIZE);
}
-#endif
-#else
- /*
- * The AP1000's e1000 has no eeprom; the MAC address is stored in the
- * environment variables. Currently this does not support the addition
- * of a PMC e1000 card, which is certainly a possibility, so this should
- * be updated to properly use the env variable only for the onboard e1000
- */
-
- int ii;
- char *s, *e;
-
- DEBUGFUNC();
-
- s = getenv ("ethaddr");
- if (s == NULL) {
- return -E1000_ERR_EEPROM;
- } else {
- for(ii = 0; ii < 6; ii++) {
- nic->enetaddr[ii] = s ? simple_strtoul (s, &e, 16) : 0;
- if (s){
- s = (*e) ? e + 1 : e;
- }
- }
- }
#endif
return 0;
}
case E1000_DEV_ID_82573L:
hw->mac_type = e1000_82573;
break;
+ case E1000_DEV_ID_82574L:
+ hw->mac_type = e1000_82574;
+ break;
case E1000_DEV_ID_80003ES2LAN_COPPER_SPT:
case E1000_DEV_ID_80003ES2LAN_SERDES_SPT:
case E1000_DEV_ID_80003ES2LAN_COPPER_DPT:
{
uint32_t ctrl;
uint32_t ctrl_ext;
- uint32_t icr;
uint32_t manc;
uint32_t pba = 0;
E1000_WRITE_FLUSH(hw);
/* The tbi_compatibility_on Flag must be cleared when Rctl is cleared. */
- hw->tbi_compatibility_on = FALSE;
+ hw->tbi_compatibility_on = false;
/* Delay to allow any outstanding PCI transactions to complete before
* resetting the device
E1000_WRITE_REG(hw, IMC, 0xffffffff);
/* Clear any pending interrupt events. */
- icr = E1000_READ_REG(hw, ICR);
+ E1000_READ_REG(hw, ICR);
/* If MWI was previously enabled, reenable it. */
if (hw->mac_type == e1000_82542_rev2_0) {
E1000_WRITE_REG(hw, TARC1, reg_tarc1);
break;
case e1000_82573:
+ case e1000_82574:
reg_ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
reg_ctrl_ext &= ~(1 << 23);
reg_ctrl_ext |= (1 << 22);
E1000_WRITE_REG(hw, TXDCTL, ctrl);
}
+ /* Set the receive descriptor write back policy */
+
+ if (hw->mac_type >= e1000_82571) {
+ ctrl = E1000_READ_REG(hw, RXDCTL);
+ ctrl =
+ (ctrl & ~E1000_RXDCTL_WTHRESH) |
+ E1000_RXDCTL_FULL_RX_DESC_WB;
+ E1000_WRITE_REG(hw, RXDCTL, ctrl);
+ }
+
switch (hw->mac_type) {
default:
break;
| E1000_TXDCTL_FULL_TX_DESC_WB;
E1000_WRITE_REG(hw, TXDCTL1, ctrl);
break;
- }
-
- if (hw->mac_type == e1000_82573) {
- uint32_t gcr = E1000_READ_REG(hw, GCR);
- gcr |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX;
- E1000_WRITE_REG(hw, GCR, gcr);
+ case e1000_82573:
+ case e1000_82574:
+ reg_data = E1000_READ_REG(hw, GCR);
+ reg_data |= E1000_GCR_L1_ACT_WITHOUT_L0S_RX;
+ E1000_WRITE_REG(hw, GCR, reg_data);
}
#if 0
if (e1000_check_phy_reset_block(hw))
return E1000_SUCCESS;
-#ifndef CONFIG_AP1000
/* Read and store word 0x0F of the EEPROM. This word contains bits
* that determine the hardware's default PAUSE (flow control) mode,
* a bit that determines whether the HW defaults to enabling or
DEBUGOUT("EEPROM Read Error\n");
return -E1000_ERR_EEPROM;
}
-#else
- /* we have to hardcode the proper value for our hardware. */
- /* this value is for the 82540EM pci card used for prototyping, and it works. */
- eeprom_data = 0xb220;
-#endif
if (hw->fc == e1000_fc_default) {
switch (hw->mac_type) {
case e1000_ich8lan:
case e1000_82573:
+ case e1000_82574:
hw->fc = e1000_fc_full;
break;
default:
-#ifndef CONFIG_AP1000
ret_val = e1000_read_eeprom(hw,
EEPROM_INIT_CONTROL2_REG, 1, &eeprom_data);
if (ret_val) {
DEBUGOUT("EEPROM Read Error\n");
return -E1000_ERR_EEPROM;
}
-#else
- eeprom_data = 0xb220;
-#endif
if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) == 0)
hw->fc = e1000_fc_none;
else if ((eeprom_data & EEPROM_WORD0F_PAUSE_MASK) ==
}
DEBUGOUT("Phy ID = %x \n", hw->phy_id);
-#ifndef CONFIG_AP1000
/* Set PHY to class A mode (if necessary) */
ret_val = e1000_set_phy_mode(hw);
if (ret_val)
return ret_val;
-#endif
if ((hw->mac_type == e1000_82545_rev_3) ||
(hw->mac_type == e1000_82546_rev_3)) {
ret_val = e1000_read_phy_reg(hw, M88E1000_PHY_SPEC_CTRL,
hw->mac_type == e1000_82541 || hw->mac_type == e1000_82547 ||
hw->mac_type == e1000_82541_rev_2
|| hw->mac_type == e1000_82547_rev_2)
- hw->phy_reset_disable = FALSE;
+ hw->phy_reset_disable = false;
return E1000_SUCCESS;
}
****************************************************************************/
static int32_t
-e1000_set_d3_lplu_state(struct e1000_hw *hw, boolean_t active)
+e1000_set_d3_lplu_state(struct e1000_hw *hw, bool active)
{
uint32_t phy_ctrl = 0;
int32_t ret_val;
****************************************************************************/
static int32_t
-e1000_set_d0_lplu_state(struct e1000_hw *hw, boolean_t active)
+e1000_set_d0_lplu_state(struct e1000_hw *hw, bool active)
{
uint32_t phy_ctrl = 0;
int32_t ret_val;
/* The NVM settings will configure LPLU in D3 for IGP2 and IGP3 PHYs */
if (hw->phy_type == e1000_phy_igp) {
/* disable lplu d3 during driver init */
- ret_val = e1000_set_d3_lplu_state(hw, FALSE);
+ ret_val = e1000_set_d3_lplu_state(hw, false);
if (ret_val) {
DEBUGOUT("Error Disabling LPLU D3\n");
return ret_val;
}
/* disable lplu d0 during driver init */
- ret_val = e1000_set_d0_lplu_state(hw, FALSE);
+ ret_val = e1000_set_d0_lplu_state(hw, false);
if (ret_val) {
DEBUGOUT("Error Disabling LPLU D0\n");
return ret_val;
/*****************************************************************************
* This function checks the mode of the firmware.
*
- * returns - TRUE when the mode is IAMT or FALSE.
+ * returns - true when the mode is IAMT or false.
****************************************************************************/
-boolean_t
+bool
e1000_check_mng_mode(struct e1000_hw *hw)
{
uint32_t fwsm;
if (hw->mac_type == e1000_ich8lan) {
if ((fwsm & E1000_FWSM_MODE_MASK) ==
(E1000_MNG_ICH_IAMT_MODE << E1000_FWSM_MODE_SHIFT))
- return TRUE;
+ return true;
} else if ((fwsm & E1000_FWSM_MODE_MASK) ==
(E1000_MNG_IAMT_MODE << E1000_FWSM_MODE_SHIFT))
- return TRUE;
+ return true;
- return FALSE;
+ return false;
}
static int32_t
e1000_write_kmrn_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t data)
{
+ uint16_t swfw = E1000_SWFW_PHY0_SM;
uint32_t reg_val;
- uint16_t swfw;
DEBUGFUNC();
- if ((hw->mac_type == e1000_80003es2lan) &&
- (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)) {
+ if (e1000_is_second_port(hw))
swfw = E1000_SWFW_PHY1_SM;
- } else {
- swfw = E1000_SWFW_PHY0_SM;
- }
+
if (e1000_swfw_sync_acquire(hw, swfw))
return -E1000_ERR_SWFW_SYNC;
static int32_t
e1000_read_kmrn_reg(struct e1000_hw *hw, uint32_t reg_addr, uint16_t *data)
{
+ uint16_t swfw = E1000_SWFW_PHY0_SM;
uint32_t reg_val;
- uint16_t swfw;
DEBUGFUNC();
- if ((hw->mac_type == e1000_80003es2lan) &&
- (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)) {
+ if (e1000_is_second_port(hw))
swfw = E1000_SWFW_PHY1_SM;
- } else {
- swfw = E1000_SWFW_PHY0_SM;
- }
+
if (e1000_swfw_sync_acquire(hw, swfw))
return -E1000_ERR_SWFW_SYNC;
* firmware will have already initialized them. We only initialize
* them if the HW is not in IAMT mode.
*/
- if (e1000_check_mng_mode(hw) == FALSE) {
+ if (e1000_check_mng_mode(hw) == false) {
/* Enable Electrical Idle on the PHY */
phy_data |= GG82563_PMCR_ENABLE_ELECTRICAL_IDLE;
ret_val = e1000_write_phy_reg(hw,
}
}
- hw->get_link_status = TRUE;
+ hw->get_link_status = true;
return E1000_SUCCESS;
}
}
if (phy_data & MII_SR_LINK_STATUS) {
- hw->get_link_status = FALSE;
+ hw->get_link_status = false;
} else {
/* No link detected */
return -E1000_ERR_NOLINK;
rctl = E1000_READ_REG(hw, RCTL);
rctl &= ~E1000_RCTL_SBP;
E1000_WRITE_REG(hw, RCTL, rctl);
- hw->tbi_compatibility_on = FALSE;
+ hw->tbi_compatibility_on = false;
}
} else {
/* If TBI compatibility is was previously off, turn it on. For
* will look like CRC errors to to the hardware.
*/
if (!hw->tbi_compatibility_on) {
- hw->tbi_compatibility_on = TRUE;
+ hw->tbi_compatibility_on = true;
rctl = E1000_READ_REG(hw, RCTL);
rctl |= E1000_RCTL_SBP;
E1000_WRITE_REG(hw, RCTL, rctl);
default:
mdelay(10);
break;
+
case e1000_80003es2lan:
/* Separate *_CFG_DONE_* bit for each port */
- if (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
+ if (e1000_is_second_port(hw))
cfg_mask = E1000_EEPROM_CFG_DONE_PORT_1;
- /* Fall Through */
+ /* Fall Through */
+
case e1000_82571:
case e1000_82572:
while (timeout) {
int32_t
e1000_phy_hw_reset(struct e1000_hw *hw)
{
+ uint16_t swfw = E1000_SWFW_PHY0_SM;
uint32_t ctrl, ctrl_ext;
uint32_t led_ctrl;
int32_t ret_val;
- uint16_t swfw;
DEBUGFUNC();
DEBUGOUT("Resetting Phy...\n");
if (hw->mac_type > e1000_82543) {
- if ((hw->mac_type == e1000_80003es2lan) &&
- (E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)) {
+ if (e1000_is_second_port(hw))
swfw = E1000_SWFW_PHY1_SM;
- } else {
- swfw = E1000_SWFW_PHY0_SM;
- }
+
if (e1000_swfw_sync_acquire(hw, swfw)) {
DEBUGOUT("Unable to acquire swfw sync\n");
return -E1000_ERR_SWFW_SYNC;
}
+
/* Read the device control register and assert the E1000_CTRL_PHY_RST
* bit. Then, take it out of reset.
*/
mdelay(20);
/* Now enable the transmitter */
- e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
+ if (!ret_val)
+ e1000_write_phy_reg(hw, 0x2F5B, phy_saved_data);
if (hw->mac_type == e1000_82547) {
uint16_t fused, fine, coarse;
hw->phy_type = e1000_phy_gg82563;
break;
}
+ case BME1000_E_PHY_ID:
+ hw->phy_type = e1000_phy_bm;
+ break;
/* Fall Through */
default:
/* Should never have loaded on this device */
{
int32_t phy_init_status, ret_val;
uint16_t phy_id_high, phy_id_low;
- boolean_t match = FALSE;
+ bool match = false;
DEBUGFUNC();
switch (hw->mac_type) {
case e1000_82543:
if (hw->phy_id == M88E1000_E_PHY_ID)
- match = TRUE;
+ match = true;
break;
case e1000_82544:
if (hw->phy_id == M88E1000_I_PHY_ID)
- match = TRUE;
+ match = true;
break;
case e1000_82540:
case e1000_82545:
case e1000_82546:
case e1000_82546_rev_3:
if (hw->phy_id == M88E1011_I_PHY_ID)
- match = TRUE;
+ match = true;
break;
case e1000_82541:
case e1000_82541_rev_2:
case e1000_82547:
case e1000_82547_rev_2:
if(hw->phy_id == IGP01E1000_I_PHY_ID)
- match = TRUE;
+ match = true;
break;
case e1000_82573:
if (hw->phy_id == M88E1111_I_PHY_ID)
- match = TRUE;
+ match = true;
+ break;
+ case e1000_82574:
+ if (hw->phy_id == BME1000_E_PHY_ID)
+ match = true;
break;
case e1000_80003es2lan:
if (hw->phy_id == GG82563_E_PHY_ID)
- match = TRUE;
+ match = true;
break;
case e1000_ich8lan:
if (hw->phy_id == IGP03E1000_E_PHY_ID)
- match = TRUE;
+ match = true;
if (hw->phy_id == IFE_E_PHY_ID)
- match = TRUE;
+ match = true;
if (hw->phy_id == IFE_PLUS_E_PHY_ID)
- match = TRUE;
+ match = true;
if (hw->phy_id == IFE_C_E_PHY_ID)
- match = TRUE;
+ match = true;
break;
default:
DEBUGOUT("Invalid MAC type %d\n", hw->mac_type);
if (hw->mac_type != e1000_82543) {
/* tbi_compatibility is only valid on 82543 */
- hw->tbi_compatibility_en = FALSE;
+ hw->tbi_compatibility_en = false;
}
switch (hw->device_id) {
break;
case e1000_ich8lan:
case e1000_82573:
+ case e1000_82574:
/* The STATUS_TBIMODE bit is reserved or reused
* for the this device.
*/
if (status & E1000_STATUS_TBIMODE) {
hw->media_type = e1000_media_type_fiber;
/* tbi_compatibility not valid on fiber */
- hw->tbi_compatibility_en = FALSE;
+ hw->tbi_compatibility_en = false;
} else {
hw->media_type = e1000_media_type_copper;
}
**/
static int
-e1000_sw_init(struct eth_device *nic, int cardnum)
+e1000_sw_init(struct eth_device *nic)
{
struct e1000_hw *hw = (typeof(hw)) nic->priv;
int result;
/* identify the MAC */
result = e1000_set_mac_type(hw);
if (result) {
- E1000_ERR("Unknown MAC Type\n");
+ E1000_ERR(hw->nic, "Unknown MAC Type\n");
return result;
}
break;
}
- /* lan a vs. lan b settings */
- if (hw->mac_type == e1000_82546)
- /*this also works w/ multiple 82546 cards */
- /*but not if they're intermingled /w other e1000s */
- hw->lan_loc = (cardnum % 2) ? e1000_lan_b : e1000_lan_a;
- else
- hw->lan_loc = e1000_lan_a;
-
/* flow control settings */
hw->fc_high_water = E1000_FC_HIGH_THRESH;
hw->fc_low_water = E1000_FC_LOW_THRESH;
hw->media_type = e1000_media_type_fiber;
}
- hw->tbi_compatibility_en = TRUE;
- hw->wait_autoneg_complete = TRUE;
+ hw->tbi_compatibility_en = true;
+ hw->wait_autoneg_complete = true;
if (hw->mac_type < e1000_82543)
hw->report_tx_early = 0;
else
/**************************************************************************
TRANSMIT - Transmit a frame
***************************************************************************/
-static int
-e1000_transmit(struct eth_device *nic, volatile void *packet, int length)
+static int e1000_transmit(struct eth_device *nic, void *packet, int length)
{
+ void *nv_packet = (void *)packet;
struct e1000_hw *hw = nic->priv;
struct e1000_tx_desc *txp;
int i = 0;
txp = tx_base + tx_tail;
tx_tail = (tx_tail + 1) % 8;
- txp->buffer_addr = cpu_to_le64(virt_to_bus(hw->pdev, packet));
+ txp->buffer_addr = cpu_to_le64(virt_to_bus(hw->pdev, nv_packet));
txp->lower.data = cpu_to_le32(hw->txd_cmd | length);
txp->upper.data = 0;
E1000_WRITE_REG(hw, TDT, tx_tail);
if (ret_val < 0) {
if ((ret_val == -E1000_ERR_NOLINK) ||
(ret_val == -E1000_ERR_TIMEOUT)) {
- E1000_ERR("Valid Link not detected\n");
+ E1000_ERR(hw->nic, "Valid Link not detected\n");
} else {
- E1000_ERR("Hardware Initialization Failed\n");
+ E1000_ERR(hw->nic, "Hardware Initialization Failed\n");
}
return 0;
}
case e1000_82571:
case e1000_82572:
case e1000_82573:
+ case e1000_82574:
case e1000_80003es2lan:
hw->bus_type = e1000_bus_type_pci_express;
break;
}
}
+/* A list of all registered e1000 devices */
+static LIST_HEAD(e1000_hw_list);
+
/**************************************************************************
PROBE - Look for an adapter, this routine's visible to the outside
You should omit the last argument struct pci_device * for a non-PCI NIC
int
e1000_initialize(bd_t * bis)
{
+ unsigned int i;
pci_dev_t devno;
- int card_number = 0;
- struct eth_device *nic = NULL;
- struct e1000_hw *hw = NULL;
- u32 iobase;
- int idx = 0;
- u32 PciCommandWord;
DEBUGFUNC();
- while (1) { /* Find PCI device(s) */
- if ((devno = pci_find_devices(supported, idx++)) < 0) {
- break;
- }
-
- pci_read_config_dword(devno, PCI_BASE_ADDRESS_0, &iobase);
- iobase &= ~0xf; /* Mask the bits that say "this is an io addr" */
- DEBUGOUT("e1000#%d: iobase 0x%08x\n", card_number, iobase);
-
- pci_write_config_dword(devno, PCI_COMMAND,
- PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
- /* Check if I/O accesses and Bus Mastering are enabled. */
- pci_read_config_dword(devno, PCI_COMMAND, &PciCommandWord);
- if (!(PciCommandWord & PCI_COMMAND_MEMORY)) {
- printf("Error: Can not enable MEM access.\n");
- continue;
- } else if (!(PciCommandWord & PCI_COMMAND_MASTER)) {
- printf("Error: Can not enable Bus Mastering.\n");
- continue;
- }
-
- nic = (struct eth_device *) malloc(sizeof (*nic));
- if (!nic) {
- printf("Error: e1000 - Can not alloc memory\n");
- return 0;
- }
+ /* Find and probe all the matching PCI devices */
+ for (i = 0; (devno = pci_find_devices(e1000_supported, i)) >= 0; i++) {
+ u32 val;
- hw = (struct e1000_hw *) malloc(sizeof (*hw));
- if (!hw) {
+ /*
+ * These will never get freed due to errors, this allows us to
+ * perform SPI EEPROM programming from U-boot, for example.
+ */
+ struct eth_device *nic = malloc(sizeof(*nic));
+ struct e1000_hw *hw = malloc(sizeof(*hw));
+ if (!nic || !hw) {
+ printf("e1000#%u: Out of Memory!\n", i);
free(nic);
- printf("Error: e1000 - Can not alloc memory\n");
- return 0;
+ free(hw);
+ continue;
}
- memset(nic, 0, sizeof(*dev));
+ /* Make sure all of the fields are initially zeroed */
+ memset(nic, 0, sizeof(*nic));
memset(hw, 0, sizeof(*hw));
+ /* Assign the passed-in values */
+ hw->cardnum = i;
hw->pdev = devno;
+ hw->nic = nic;
nic->priv = hw;
- sprintf(nic->name, "e1000#%d", card_number);
+ /* Generate a card name */
+ sprintf(nic->name, "e1000#%u", hw->cardnum);
+
+ /* Print a debug message with the IO base address */
+ pci_read_config_dword(devno, PCI_BASE_ADDRESS_0, &val);
+ E1000_DBG(nic, "iobase 0x%08x\n", val & 0xfffffff0);
+
+ /* Try to enable I/O accesses and bus-mastering */
+ val = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER;
+ pci_write_config_dword(devno, PCI_COMMAND, val);
+
+ /* Make sure it worked */
+ pci_read_config_dword(devno, PCI_COMMAND, &val);
+ if (!(val & PCI_COMMAND_MEMORY)) {
+ E1000_ERR(nic, "Can't enable I/O memory\n");
+ continue;
+ }
+ if (!(val & PCI_COMMAND_MASTER)) {
+ E1000_ERR(nic, "Can't enable bus-mastering\n");
+ continue;
+ }
/* Are these variables needed? */
hw->fc = e1000_fc_default;
hw->original_fc = e1000_fc_default;
hw->autoneg_failed = 0;
hw->autoneg = 1;
- hw->get_link_status = TRUE;
- hw->hw_addr =
- pci_map_bar(devno, PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
+ hw->get_link_status = true;
+ hw->hw_addr = pci_map_bar(devno, PCI_BASE_ADDRESS_0,
+ PCI_REGION_MEM);
hw->mac_type = e1000_undefined;
/* MAC and Phy settings */
- if (e1000_sw_init(nic, card_number) < 0) {
- free(hw);
- free(nic);
- return 0;
+ if (e1000_sw_init(nic) < 0) {
+ E1000_ERR(nic, "Software init failed\n");
+ continue;
}
if (e1000_check_phy_reset_block(hw))
- printf("phy reset block error \n");
+ E1000_ERR(nic, "PHY Reset is blocked!\n");
+
+ /* Basic init was OK, reset the hardware and allow SPI access */
e1000_reset_hw(hw);
-#if !(defined(CONFIG_AP1000) || defined(CONFIG_MVBC_1G))
+ list_add_tail(&hw->list_node, &e1000_hw_list);
+
+ /* Validate the EEPROM and get chipset information */
+#if !defined(CONFIG_MVBC_1G)
if (e1000_init_eeprom_params(hw)) {
- printf("The EEPROM Checksum Is Not Valid\n");
- free(hw);
- free(nic);
- return 0;
- }
- if (e1000_validate_eeprom_checksum(nic) < 0) {
- printf("The EEPROM Checksum Is Not Valid\n");
- free(hw);
- free(nic);
- return 0;
+ E1000_ERR(nic, "EEPROM is invalid!\n");
+ continue;
}
+ if (e1000_validate_eeprom_checksum(hw))
+ continue;
#endif
e1000_read_mac_addr(nic);
-
- /* get the bus type information */
e1000_get_bus_type(hw);
- printf("e1000: %02x:%02x:%02x:%02x:%02x:%02x\n",
+ printf("e1000: %02x:%02x:%02x:%02x:%02x:%02x\n ",
nic->enetaddr[0], nic->enetaddr[1], nic->enetaddr[2],
nic->enetaddr[3], nic->enetaddr[4], nic->enetaddr[5]);
+ /* Set up the function pointers and register the device */
nic->init = e1000_init;
nic->recv = e1000_poll;
nic->send = e1000_transmit;
nic->halt = e1000_disable;
-
eth_register(nic);
+ }
+
+ return i;
+}
+
+struct e1000_hw *e1000_find_card(unsigned int cardnum)
+{
+ struct e1000_hw *hw;
+
+ list_for_each_entry(hw, &e1000_hw_list, list_node)
+ if (hw->cardnum == cardnum)
+ return hw;
- card_number++;
+ return NULL;
+}
+
+#ifdef CONFIG_CMD_E1000
+static int do_e1000(cmd_tbl_t *cmdtp, int flag,
+ int argc, char * const argv[])
+{
+ struct e1000_hw *hw;
+
+ if (argc < 3) {
+ cmd_usage(cmdtp);
+ return 1;
+ }
+
+ /* Make sure we can find the requested e1000 card */
+ hw = e1000_find_card(simple_strtoul(argv[1], NULL, 10));
+ if (!hw) {
+ printf("e1000: ERROR: No such device: e1000#%s\n", argv[1]);
+ return 1;
}
- return card_number;
+
+ if (!strcmp(argv[2], "print-mac-address")) {
+ unsigned char *mac = hw->nic->enetaddr;
+ printf("%02x:%02x:%02x:%02x:%02x:%02x\n",
+ mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ return 0;
+ }
+
+#ifdef CONFIG_E1000_SPI
+ /* Handle the "SPI" subcommand */
+ if (!strcmp(argv[2], "spi"))
+ return do_e1000_spi(cmdtp, hw, argc - 3, argv + 3);
+#endif
+
+ cmd_usage(cmdtp);
+ return 1;
}
+
+U_BOOT_CMD(
+ e1000, 7, 0, do_e1000,
+ "Intel e1000 controller management",
+ /* */"<card#> print-mac-address\n"
+#ifdef CONFIG_E1000_SPI
+ "e1000 <card#> spi show [<offset> [<length>]]\n"
+ "e1000 <card#> spi dump <addr> <offset> <length>\n"
+ "e1000 <card#> spi program <addr> <offset> <length>\n"
+ "e1000 <card#> spi checksum [update]\n"
+#endif
+ " - Manage the Intel E1000 PCI device"
+);
+#endif /* not CONFIG_CMD_E1000 */
projects / karo-tx-uboot.git / blobdiff