bool active);
STATIC s32 e1000_read_nvm_ich8lan(struct e1000_hw *hw, u16 offset,
u16 words, u16 *data);
+STATIC s32 e1000_read_nvm_spt(struct e1000_hw *hw, u16 offset, u16 words,
+ u16 *data);
STATIC s32 e1000_write_nvm_ich8lan(struct e1000_hw *hw, u16 offset,
u16 words, u16 *data);
STATIC s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw);
STATIC s32 e1000_update_nvm_checksum_ich8lan(struct e1000_hw *hw);
+STATIC s32 e1000_update_nvm_checksum_spt(struct e1000_hw *hw);
STATIC s32 e1000_valid_led_default_ich8lan(struct e1000_hw *hw,
u16 *data);
STATIC s32 e1000_id_led_init_pchlan(struct e1000_hw *hw);
u32 offset, u8 *data);
STATIC s32 e1000_read_flash_data_ich8lan(struct e1000_hw *hw, u32 offset,
u8 size, u16 *data);
+STATIC s32 e1000_read_flash_data32_ich8lan(struct e1000_hw *hw, u32 offset,
+ u32 *data);
+STATIC s32 e1000_read_flash_dword_ich8lan(struct e1000_hw *hw,
+ u32 offset, u32 *data);
+STATIC s32 e1000_write_flash_data32_ich8lan(struct e1000_hw *hw,
+ u32 offset, u32 data);
+STATIC s32 e1000_retry_write_flash_dword_ich8lan(struct e1000_hw *hw,
+ u32 offset, u32 dword);
STATIC s32 e1000_read_flash_word_ich8lan(struct e1000_hw *hw,
u32 offset, u16 *data);
STATIC s32 e1000_retry_write_flash_byte_ich8lan(struct e1000_hw *hw,
if (ret_val)
return false;
out:
- if (hw->mac.type == e1000_pch_lpt) {
+ if (hw->mac.type >= e1000_pch_lpt) {
/* Only unforce SMBus if ME is not active */
if (!(E1000_READ_REG(hw, E1000_FWSM) &
E1000_ICH_FWSM_FW_VALID)) {
*/
switch (hw->mac.type) {
case e1000_pch_lpt:
+ case e1000_pch_spt:
if (e1000_phy_is_accessible_pchlan(hw))
break;
/* fall-through */
case e1000_pch2lan:
case e1000_pch_lpt:
+ case e1000_pch_spt:
/* In case the PHY needs to be in mdio slow mode,
* set slow mode and try to get the PHY id again.
*/
struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
u32 gfpreg, sector_base_addr, sector_end_addr;
u16 i;
+ u32 nvm_size;
DEBUGFUNC("e1000_init_nvm_params_ich8lan");
- /* Can't read flash registers if the register set isn't mapped. */
nvm->type = e1000_nvm_flash_sw;
- if (!hw->flash_address) {
- DEBUGOUT("ERROR: Flash registers not mapped\n");
- return -E1000_ERR_CONFIG;
- }
- gfpreg = E1000_READ_FLASH_REG(hw, ICH_FLASH_GFPREG);
+ if (hw->mac.type >= e1000_pch_spt) {
+ /* in SPT, gfpreg doesn't exist. NVM size is taken from the
+ * STRAP register. This is because in SPT the GbE Flash region
+ * is no longer accessed through the flash registers. Instead,
+ * the mechanism has changed, and the Flash region access
+ * registers are now implemented in GbE memory space.
+ */
+ nvm->flash_base_addr = 0;
+ nvm_size =
+ (((E1000_READ_REG(hw, E1000_STRAP) >> 1) & 0x1F) + 1)
+ * NVM_SIZE_MULTIPLIER;
+ nvm->flash_bank_size = nvm_size / 2;
+ /* Adjust to word count */
+ nvm->flash_bank_size /= sizeof(u16);
+ /* Set the base address for flash register access */
+ hw->flash_address = hw->hw_addr + E1000_FLASH_BASE_ADDR;
+ } else {
+ /* Can't read flash registers if register set isn't mapped. */
+ if (!hw->flash_address) {
+ DEBUGOUT("ERROR: Flash registers not mapped\n");
+ return -E1000_ERR_CONFIG;
+ }
- /* sector_X_addr is a "sector"-aligned address (4096 bytes)
- * Add 1 to sector_end_addr since this sector is included in
- * the overall size.
- */
- sector_base_addr = gfpreg & FLASH_GFPREG_BASE_MASK;
- sector_end_addr = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK) + 1;
+ gfpreg = E1000_READ_FLASH_REG(hw, ICH_FLASH_GFPREG);
+
+ /* sector_X_addr is a "sector"-aligned address (4096 bytes)
+ * Add 1 to sector_end_addr since this sector is included in
+ * the overall size.
+ */
+ sector_base_addr = gfpreg & FLASH_GFPREG_BASE_MASK;
+ sector_end_addr = ((gfpreg >> 16) & FLASH_GFPREG_BASE_MASK) + 1;
- /* flash_base_addr is byte-aligned */
- nvm->flash_base_addr = sector_base_addr << FLASH_SECTOR_ADDR_SHIFT;
+ /* flash_base_addr is byte-aligned */
+ nvm->flash_base_addr = sector_base_addr
+ << FLASH_SECTOR_ADDR_SHIFT;
- /* find total size of the NVM, then cut in half since the total
- * size represents two separate NVM banks.
- */
- nvm->flash_bank_size = ((sector_end_addr - sector_base_addr)
- << FLASH_SECTOR_ADDR_SHIFT);
- nvm->flash_bank_size /= 2;
- /* Adjust to word count */
- nvm->flash_bank_size /= sizeof(u16);
+ /* find total size of the NVM, then cut in half since the total
+ * size represents two separate NVM banks.
+ */
+ nvm->flash_bank_size = ((sector_end_addr - sector_base_addr)
+ << FLASH_SECTOR_ADDR_SHIFT);
+ nvm->flash_bank_size /= 2;
+ /* Adjust to word count */
+ nvm->flash_bank_size /= sizeof(u16);
+ }
nvm->word_size = E1000_SHADOW_RAM_WORDS;
/* Function Pointers */
nvm->ops.acquire = e1000_acquire_nvm_ich8lan;
nvm->ops.release = e1000_release_nvm_ich8lan;
- nvm->ops.read = e1000_read_nvm_ich8lan;
- nvm->ops.update = e1000_update_nvm_checksum_ich8lan;
+ if (hw->mac.type >= e1000_pch_spt) {
+ nvm->ops.read = e1000_read_nvm_spt;
+ nvm->ops.update = e1000_update_nvm_checksum_spt;
+ } else {
+ nvm->ops.read = e1000_read_nvm_ich8lan;
+ nvm->ops.update = e1000_update_nvm_checksum_ich8lan;
+ }
nvm->ops.valid_led_default = e1000_valid_led_default_ich8lan;
nvm->ops.validate = e1000_validate_nvm_checksum_ich8lan;
nvm->ops.write = e1000_write_nvm_ich8lan;
mac->ops.rar_set = e1000_rar_set_pch2lan;
/* fall-through */
case e1000_pch_lpt:
+ case e1000_pch_spt:
#ifndef NO_NON_BLOCKING_PHY_MTA_UPDATE_SUPPORT
/* multicast address update for pch2 */
mac->ops.update_mc_addr_list =
#if defined(QV_RELEASE) || !defined(NO_PCH_LPT_B0_SUPPORT)
/* save PCH revision_id */
e1000_read_pci_cfg(hw, E1000_PCI_REVISION_ID_REG, &pci_cfg);
- hw->revision_id = (u8)(pci_cfg &= 0x000F);
+ /* SPT uses full byte for revision ID,
+ * as opposed to previous generations
+ */
+ if (hw->mac.type >= e1000_pch_spt)
+ hw->revision_id = (u8)(pci_cfg &= 0x00FF);
+ else
+ hw->revision_id = (u8)(pci_cfg &= 0x000F);
#endif /* QV_RELEASE || !defined(NO_PCH_LPT_B0_SUPPORT) */
/* check management mode */
mac->ops.check_mng_mode = e1000_check_mng_mode_pchlan;
break;
}
- if (mac->type == e1000_pch_lpt) {
+ if (mac->type >= e1000_pch_lpt) {
mac->rar_entry_count = E1000_PCH_LPT_RAR_ENTRIES;
mac->ops.rar_set = e1000_rar_set_pch_lpt;
mac->ops.setup_physical_interface = e1000_setup_copper_link_pch_lpt;
/* clear FEXTNVM6 bit 8 on link down or 10/100 */
fextnvm6 &= ~E1000_FEXTNVM6_REQ_PLL_CLK;
- if (!link || ((status & E1000_STATUS_SPEED_100) &&
- (status & E1000_STATUS_FD)))
+ if ((hw->phy.revision > 5) || !link ||
+ ((status & E1000_STATUS_SPEED_100) &&
+ (status & E1000_STATUS_FD)))
goto update_fextnvm6;
ret_val = hw->phy.ops.read_reg(hw, I217_INBAND_CTRL, ®);
* aggressive resulting in many collisions. To avoid this, increase
* the IPG and reduce Rx latency in the PHY.
*/
- if (((hw->mac.type == e1000_pch2lan) ||
- (hw->mac.type == e1000_pch_lpt)) && link) {
+ if ((hw->mac.type >= e1000_pch2lan) && link) {
u16 speed, duplex;
e1000_get_speed_and_duplex_copper_generic(hw, &speed, &duplex);
tipg_reg |= 0xFF;
/* Reduce Rx latency in analog PHY */
emi_val = 0;
+ } else if (hw->mac.type >= e1000_pch_spt &&
+ duplex == FULL_DUPLEX && speed != SPEED_1000) {
+ tipg_reg |= 0xC;
+ emi_val = 1;
} else {
/* Roll back the default values */
tipg_reg |= 0x08;
if (ret_val)
return ret_val;
+
+ if (hw->mac.type >= e1000_pch_spt) {
+ u16 data;
+ u16 ptr_gap;
+
+ if (speed == SPEED_1000) {
+ ret_val = hw->phy.ops.acquire(hw);
+ if (ret_val)
+ return ret_val;
+
+ ret_val = hw->phy.ops.read_reg_locked(hw,
+ PHY_REG(776, 20),
+ &data);
+ if (ret_val) {
+ hw->phy.ops.release(hw);
+ return ret_val;
+ }
+
+ ptr_gap = (data & (0x3FF << 2)) >> 2;
+ if (ptr_gap < 0x18) {
+ data &= ~(0x3FF << 2);
+ data |= (0x18 << 2);
+ ret_val =
+ hw->phy.ops.write_reg_locked(hw,
+ PHY_REG(776, 20), data);
+ }
+ hw->phy.ops.release(hw);
+ if (ret_val)
+ return ret_val;
+ } else {
+ ret_val = hw->phy.ops.acquire(hw);
+ if (ret_val)
+ return ret_val;
+
+ ret_val = hw->phy.ops.write_reg_locked(hw,
+ PHY_REG(776, 20),
+ 0xC023);
+ hw->phy.ops.release(hw);
+ if (ret_val)
+ return ret_val;
+
+ }
+ }
}
/* I217 Packet Loss issue:
* on power up.
* Set the Beacon Duration for I217 to 8 usec
*/
- if (hw->mac.type == e1000_pch_lpt) {
+ if (hw->mac.type >= e1000_pch_lpt) {
u32 mac_reg;
mac_reg = E1000_READ_REG(hw, E1000_FEXTNVM4);
hw->dev_spec.ich8lan.eee_lp_ability = 0;
/* Configure K0s minimum time */
- if (hw->mac.type == e1000_pch_lpt) {
+ if (hw->mac.type >= e1000_pch_lpt) {
e1000_configure_k0s_lpt(hw, K1_ENTRY_LATENCY, K1_MIN_TIME);
}
+ if (hw->mac.type >= e1000_pch_lpt) {
+ u32 fextnvm6 = E1000_READ_REG(hw, E1000_FEXTNVM6);
+
+ if (hw->mac.type == e1000_pch_spt) {
+ /* FEXTNVM6 K1-off workaround - for SPT only */
+ u32 pcieanacfg = E1000_READ_REG(hw, E1000_PCIEANACFG);
+
+ if (pcieanacfg & E1000_FEXTNVM6_K1_OFF_ENABLE)
+ fextnvm6 |= E1000_FEXTNVM6_K1_OFF_ENABLE;
+ else
+ fextnvm6 &= ~E1000_FEXTNVM6_K1_OFF_ENABLE;
+ }
+
+ E1000_WRITE_REG(hw, E1000_FEXTNVM6, fextnvm6);
+ }
+
if (!link)
return E1000_SUCCESS; /* No link detected */
case e1000_pchlan:
case e1000_pch2lan:
case e1000_pch_lpt:
+ case e1000_pch_spt:
hw->phy.ops.init_params = e1000_init_phy_params_pchlan;
break;
default:
case e1000_pchlan:
case e1000_pch2lan:
case e1000_pch_lpt:
+ case e1000_pch_spt:
sw_cfg_mask = E1000_FEXTNVM_SW_CONFIG_ICH8M;
break;
default:
DEBUGFUNC("e1000_valid_nvm_bank_detect_ich8lan");
switch (hw->mac.type) {
+ case e1000_pch_spt:
+ bank1_offset = nvm->flash_bank_size;
+ act_offset = E1000_ICH_NVM_SIG_WORD;
+
+ /* set bank to 0 in case flash read fails */
+ *bank = 0;
+
+ /* Check bank 0 */
+ ret_val = e1000_read_flash_dword_ich8lan(hw, act_offset,
+ &nvm_dword);
+ if (ret_val)
+ return ret_val;
+ sig_byte = (u8)((nvm_dword & 0xFF00) >> 8);
+ if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) ==
+ E1000_ICH_NVM_SIG_VALUE) {
+ *bank = 0;
+ return E1000_SUCCESS;
+ }
+
+ /* Check bank 1 */
+ ret_val = e1000_read_flash_dword_ich8lan(hw, act_offset +
+ bank1_offset,
+ &nvm_dword);
+ if (ret_val)
+ return ret_val;
+ sig_byte = (u8)((nvm_dword & 0xFF00) >> 8);
+ if ((sig_byte & E1000_ICH_NVM_VALID_SIG_MASK) ==
+ E1000_ICH_NVM_SIG_VALUE) {
+ *bank = 1;
+ return E1000_SUCCESS;
+ }
+
+ DEBUGOUT("ERROR: No valid NVM bank present\n");
+ return -E1000_ERR_NVM;
case e1000_ich8lan:
case e1000_ich9lan:
eecd = E1000_READ_REG(hw, E1000_EECD);
}
}
+/**
+ * e1000_read_nvm_spt - NVM access for SPT
+ * @hw: pointer to the HW structure
+ * @offset: The offset (in bytes) of the word(s) to read.
+ * @words: Size of data to read in words.
+ * @data: pointer to the word(s) to read at offset.
+ *
+ * Reads a word(s) from the NVM
+ **/
+STATIC s32 e1000_read_nvm_spt(struct e1000_hw *hw, u16 offset, u16 words,
+ u16 *data)
+{
+ struct e1000_nvm_info *nvm = &hw->nvm;
+ struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
+ u32 act_offset;
+ s32 ret_val = E1000_SUCCESS;
+ u32 bank = 0;
+ u32 dword = 0;
+ u16 offset_to_read;
+ u16 i;
+
+ DEBUGFUNC("e1000_read_nvm_spt");
+
+ if ((offset >= nvm->word_size) || (words > nvm->word_size - offset) ||
+ (words == 0)) {
+ DEBUGOUT("nvm parameter(s) out of bounds\n");
+ ret_val = -E1000_ERR_NVM;
+ goto out;
+ }
+
+ nvm->ops.acquire(hw);
+
+ ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
+ if (ret_val != E1000_SUCCESS) {
+ DEBUGOUT("Could not detect valid bank, assuming bank 0\n");
+ bank = 0;
+ }
+
+ act_offset = (bank) ? nvm->flash_bank_size : 0;
+ act_offset += offset;
+
+ ret_val = E1000_SUCCESS;
+
+ for (i = 0; i < words; i += 2) {
+ if (words - i == 1) {
+ if (dev_spec->shadow_ram[offset+i].modified) {
+ data[i] = dev_spec->shadow_ram[offset+i].value;
+ } else {
+ offset_to_read = act_offset + i -
+ ((act_offset + i) % 2);
+ ret_val =
+ e1000_read_flash_dword_ich8lan(hw,
+ offset_to_read,
+ &dword);
+ if (ret_val)
+ break;
+ if ((act_offset + i) % 2 == 0)
+ data[i] = (u16)(dword & 0xFFFF);
+ else
+ data[i] = (u16)((dword >> 16) & 0xFFFF);
+ }
+ } else {
+ offset_to_read = act_offset + i;
+ if (!(dev_spec->shadow_ram[offset+i].modified) ||
+ !(dev_spec->shadow_ram[offset+i+1].modified)) {
+ ret_val =
+ e1000_read_flash_dword_ich8lan(hw,
+ offset_to_read,
+ &dword);
+ if (ret_val)
+ break;
+ }
+ if (dev_spec->shadow_ram[offset+i].modified)
+ data[i] = dev_spec->shadow_ram[offset+i].value;
+ else
+ data[i] = (u16) (dword & 0xFFFF);
+ if (dev_spec->shadow_ram[offset+i].modified)
+ data[i+1] =
+ dev_spec->shadow_ram[offset+i+1].value;
+ else
+ data[i+1] = (u16) (dword >> 16 & 0xFFFF);
+ }
+ }
+
+ nvm->ops.release(hw);
+
+out:
+ if (ret_val)
+ DEBUGOUT1("NVM read error: %d\n", ret_val);
+
+ return ret_val;
+}
+
/**
* e1000_read_nvm_ich8lan - Read word(s) from the NVM
* @hw: pointer to the HW structure
/* Clear FCERR and DAEL in hw status by writing 1 */
hsfsts.hsf_status.flcerr = 1;
hsfsts.hsf_status.dael = 1;
- E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFSTS, hsfsts.regval);
+ if (hw->mac.type >= e1000_pch_spt)
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_HSFSTS,
+ hsfsts.regval & 0xFFFF);
+ else
+ E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFSTS, hsfsts.regval);
/* Either we should have a hardware SPI cycle in progress
* bit to check against, in order to start a new cycle or
* Begin by setting Flash Cycle Done.
*/
hsfsts.hsf_status.flcdone = 1;
- E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFSTS, hsfsts.regval);
+ if (hw->mac.type >= e1000_pch_spt)
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_HSFSTS,
+ hsfsts.regval & 0xFFFF);
+ else
+ E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFSTS,
+ hsfsts.regval);
ret_val = E1000_SUCCESS;
} else {
s32 i;
* now set the Flash Cycle Done.
*/
hsfsts.hsf_status.flcdone = 1;
- E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFSTS,
- hsfsts.regval);
+ if (hw->mac.type >= e1000_pch_spt)
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_HSFSTS,
+ hsfsts.regval & 0xFFFF);
+ else
+ E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFSTS,
+ hsfsts.regval);
} else {
DEBUGOUT("Flash controller busy, cannot get access\n");
}
DEBUGFUNC("e1000_flash_cycle_ich8lan");
/* Start a cycle by writing 1 in Flash Cycle Go in Hw Flash Control */
- hsflctl.regval = E1000_READ_FLASH_REG16(hw, ICH_FLASH_HSFCTL);
+ if (hw->mac.type >= e1000_pch_spt)
+ hsflctl.regval = E1000_READ_FLASH_REG(hw, ICH_FLASH_HSFSTS)>>16;
+ else
+ hsflctl.regval = E1000_READ_FLASH_REG16(hw, ICH_FLASH_HSFCTL);
hsflctl.hsf_ctrl.flcgo = 1;
- E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval);
+ if (hw->mac.type >= e1000_pch_spt)
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_HSFSTS,
+ hsflctl.regval << 16);
+ else
+ E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval);
/* wait till FDONE bit is set to 1 */
do {
return -E1000_ERR_NVM;
}
+/**
+ * e1000_read_flash_dword_ich8lan - Read dword from flash
+ * @hw: pointer to the HW structure
+ * @offset: offset to data location
+ * @data: pointer to the location for storing the data
+ *
+ * Reads the flash dword at offset into data. Offset is converted
+ * to bytes before read.
+ **/
+STATIC s32 e1000_read_flash_dword_ich8lan(struct e1000_hw *hw, u32 offset,
+ u32 *data)
+{
+ DEBUGFUNC("e1000_read_flash_dword_ich8lan");
+
+ if (!data)
+ return -E1000_ERR_NVM;
+
+ /* Must convert word offset into bytes. */
+ offset <<= 1;
+
+ return e1000_read_flash_data32_ich8lan(hw, offset, data);
+}
+
/**
* e1000_read_flash_word_ich8lan - Read word from flash
* @hw: pointer to the HW structure
s32 ret_val;
u16 word = 0;
- ret_val = e1000_read_flash_data_ich8lan(hw, offset, 1, &word);
+ /* In SPT, only 32 bits access is supported,
+ * so this function should not be called.
+ */
+ if (hw->mac.type >= e1000_pch_spt)
+ return -E1000_ERR_NVM;
+ else
+ ret_val = e1000_read_flash_data_ich8lan(hw, offset, 1, &word);
if (ret_val)
return ret_val;
return ret_val;
}
+/**
+ * e1000_read_flash_data32_ich8lan - Read dword from NVM
+ * @hw: pointer to the HW structure
+ * @offset: The offset (in bytes) of the dword to read.
+ * @data: Pointer to the dword to store the value read.
+ *
+ * Reads a byte or word from the NVM using the flash access registers.
+ **/
+STATIC s32 e1000_read_flash_data32_ich8lan(struct e1000_hw *hw, u32 offset,
+ u32 *data)
+{
+ union ich8_hws_flash_status hsfsts;
+ union ich8_hws_flash_ctrl hsflctl;
+ u32 flash_linear_addr;
+ s32 ret_val = -E1000_ERR_NVM;
+ u8 count = 0;
+
+ DEBUGFUNC("e1000_read_flash_data_ich8lan");
+
+ if (offset > ICH_FLASH_LINEAR_ADDR_MASK ||
+ hw->mac.type < e1000_pch_spt)
+ return -E1000_ERR_NVM;
+ flash_linear_addr = ((ICH_FLASH_LINEAR_ADDR_MASK & offset) +
+ hw->nvm.flash_base_addr);
+
+ do {
+ usec_delay(1);
+ /* Steps */
+ ret_val = e1000_flash_cycle_init_ich8lan(hw);
+ if (ret_val != E1000_SUCCESS)
+ break;
+ /* In SPT, This register is in Lan memory space, not flash.
+ * Therefore, only 32 bit access is supported
+ */
+ hsflctl.regval = E1000_READ_FLASH_REG(hw, ICH_FLASH_HSFSTS)>>16;
+
+ /* 0b/1b corresponds to 1 or 2 byte size, respectively. */
+ hsflctl.hsf_ctrl.fldbcount = sizeof(u32) - 1;
+ hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_READ;
+ /* In SPT, This register is in Lan memory space, not flash.
+ * Therefore, only 32 bit access is supported
+ */
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_HSFSTS,
+ (u32)hsflctl.regval << 16);
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_FADDR, flash_linear_addr);
+
+ ret_val = e1000_flash_cycle_ich8lan(hw,
+ ICH_FLASH_READ_COMMAND_TIMEOUT);
+
+ /* Check if FCERR is set to 1, if set to 1, clear it
+ * and try the whole sequence a few more times, else
+ * read in (shift in) the Flash Data0, the order is
+ * least significant byte first msb to lsb
+ */
+ if (ret_val == E1000_SUCCESS) {
+ *data = E1000_READ_FLASH_REG(hw, ICH_FLASH_FDATA0);
+ break;
+ } else {
+ /* If we've gotten here, then things are probably
+ * completely hosed, but if the error condition is
+ * detected, it won't hurt to give it another try...
+ * ICH_FLASH_CYCLE_REPEAT_COUNT times.
+ */
+ hsfsts.regval = E1000_READ_FLASH_REG16(hw,
+ ICH_FLASH_HSFSTS);
+ if (hsfsts.hsf_status.flcerr) {
+ /* Repeat for some time before giving up. */
+ continue;
+ } else if (!hsfsts.hsf_status.flcdone) {
+ DEBUGOUT("Timeout error - flash cycle did not complete.\n");
+ break;
+ }
+ }
+ } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT);
+
+ return ret_val;
+}
/**
* e1000_write_nvm_ich8lan - Write word(s) to the NVM
return E1000_SUCCESS;
}
+/**
+ * e1000_update_nvm_checksum_spt - Update the checksum for NVM
+ * @hw: pointer to the HW structure
+ *
+ * The NVM checksum is updated by calling the generic update_nvm_checksum,
+ * which writes the checksum to the shadow ram. The changes in the shadow
+ * ram are then committed to the EEPROM by processing each bank at a time
+ * checking for the modified bit and writing only the pending changes.
+ * After a successful commit, the shadow ram is cleared and is ready for
+ * future writes.
+ **/
+STATIC s32 e1000_update_nvm_checksum_spt(struct e1000_hw *hw)
+{
+ struct e1000_nvm_info *nvm = &hw->nvm;
+ struct e1000_dev_spec_ich8lan *dev_spec = &hw->dev_spec.ich8lan;
+ u32 i, act_offset, new_bank_offset, old_bank_offset, bank;
+ s32 ret_val;
+ u32 dword = 0;
+
+ DEBUGFUNC("e1000_update_nvm_checksum_spt");
+
+ ret_val = e1000_update_nvm_checksum_generic(hw);
+ if (ret_val)
+ goto out;
+
+ if (nvm->type != e1000_nvm_flash_sw)
+ goto out;
+
+ nvm->ops.acquire(hw);
+
+ /* We're writing to the opposite bank so if we're on bank 1,
+ * write to bank 0 etc. We also need to erase the segment that
+ * is going to be written
+ */
+ ret_val = e1000_valid_nvm_bank_detect_ich8lan(hw, &bank);
+ if (ret_val != E1000_SUCCESS) {
+ DEBUGOUT("Could not detect valid bank, assuming bank 0\n");
+ bank = 0;
+ }
+
+ if (bank == 0) {
+ new_bank_offset = nvm->flash_bank_size;
+ old_bank_offset = 0;
+ ret_val = e1000_erase_flash_bank_ich8lan(hw, 1);
+ if (ret_val)
+ goto release;
+ } else {
+ old_bank_offset = nvm->flash_bank_size;
+ new_bank_offset = 0;
+ ret_val = e1000_erase_flash_bank_ich8lan(hw, 0);
+ if (ret_val)
+ goto release;
+ }
+ for (i = 0; i < E1000_SHADOW_RAM_WORDS; i += 2) {
+ /* Determine whether to write the value stored
+ * in the other NVM bank or a modified value stored
+ * in the shadow RAM
+ */
+ ret_val = e1000_read_flash_dword_ich8lan(hw,
+ i + old_bank_offset,
+ &dword);
+
+ if (dev_spec->shadow_ram[i].modified) {
+ dword &= 0xffff0000;
+ dword |= (dev_spec->shadow_ram[i].value & 0xffff);
+ }
+ if (dev_spec->shadow_ram[i + 1].modified) {
+ dword &= 0x0000ffff;
+ dword |= ((dev_spec->shadow_ram[i + 1].value & 0xffff)
+ << 16);
+ }
+ if (ret_val)
+ break;
+
+ /* If the word is 0x13, then make sure the signature bits
+ * (15:14) are 11b until the commit has completed.
+ * This will allow us to write 10b which indicates the
+ * signature is valid. We want to do this after the write
+ * has completed so that we don't mark the segment valid
+ * while the write is still in progress
+ */
+ if (i == E1000_ICH_NVM_SIG_WORD - 1)
+ dword |= E1000_ICH_NVM_SIG_MASK << 16;
+
+ /* Convert offset to bytes. */
+ act_offset = (i + new_bank_offset) << 1;
+
+ usec_delay(100);
+
+ /* Write the data to the new bank. Offset in words*/
+ act_offset = i + new_bank_offset;
+ ret_val = e1000_retry_write_flash_dword_ich8lan(hw, act_offset,
+ dword);
+ if (ret_val)
+ break;
+ }
+
+ /* Don't bother writing the segment valid bits if sector
+ * programming failed.
+ */
+ if (ret_val) {
+ DEBUGOUT("Flash commit failed.\n");
+ goto release;
+ }
+
+ /* Finally validate the new segment by setting bit 15:14
+ * to 10b in word 0x13 , this can be done without an
+ * erase as well since these bits are 11 to start with
+ * and we need to change bit 14 to 0b
+ */
+ act_offset = new_bank_offset + E1000_ICH_NVM_SIG_WORD;
+
+ /*offset in words but we read dword*/
+ --act_offset;
+ ret_val = e1000_read_flash_dword_ich8lan(hw, act_offset, &dword);
+
+ if (ret_val)
+ goto release;
+
+ dword &= 0xBFFFFFFF;
+ ret_val = e1000_retry_write_flash_dword_ich8lan(hw, act_offset, dword);
+
+ if (ret_val)
+ goto release;
+
+ /* And invalidate the previously valid segment by setting
+ * its signature word (0x13) high_byte to 0b. This can be
+ * done without an erase because flash erase sets all bits
+ * to 1's. We can write 1's to 0's without an erase
+ */
+ act_offset = (old_bank_offset + E1000_ICH_NVM_SIG_WORD) * 2 + 1;
+
+ /* offset in words but we read dword*/
+ act_offset = old_bank_offset + E1000_ICH_NVM_SIG_WORD - 1;
+ ret_val = e1000_read_flash_dword_ich8lan(hw, act_offset, &dword);
+
+ if (ret_val)
+ goto release;
+
+ dword &= 0x00FFFFFF;
+ ret_val = e1000_retry_write_flash_dword_ich8lan(hw, act_offset, dword);
+
+ if (ret_val)
+ goto release;
+
+ /* Great! Everything worked, we can now clear the cached entries. */
+ for (i = 0; i < E1000_SHADOW_RAM_WORDS; i++) {
+ dev_spec->shadow_ram[i].modified = false;
+ dev_spec->shadow_ram[i].value = 0xFFFF;
+ }
+
+release:
+ nvm->ops.release(hw);
+
+ /* Reload the EEPROM, or else modifications will not appear
+ * until after the next adapter reset.
+ */
+ if (!ret_val) {
+ nvm->ops.reload(hw);
+ msec_delay(10);
+ }
+
+out:
+ if (ret_val)
+ DEBUGOUT1("NVM update error: %d\n", ret_val);
+
+ return ret_val;
+}
+
/**
* e1000_update_nvm_checksum_ich8lan - Update the checksum for NVM
* @hw: pointer to the HW structure
*/
switch (hw->mac.type) {
case e1000_pch_lpt:
+ case e1000_pch_spt:
word = NVM_COMPAT;
valid_csum_mask = NVM_COMPAT_VALID_CSUM;
break;
DEBUGFUNC("e1000_write_ich8_data");
- if (size < 1 || size > 2 || offset > ICH_FLASH_LINEAR_ADDR_MASK)
- return -E1000_ERR_NVM;
+ if (hw->mac.type >= e1000_pch_spt) {
+ if (size != 4 || offset > ICH_FLASH_LINEAR_ADDR_MASK)
+ return -E1000_ERR_NVM;
+ } else {
+ if (size < 1 || size > 2 || offset > ICH_FLASH_LINEAR_ADDR_MASK)
+ return -E1000_ERR_NVM;
+ }
flash_linear_addr = ((ICH_FLASH_LINEAR_ADDR_MASK & offset) +
hw->nvm.flash_base_addr);
ret_val = e1000_flash_cycle_init_ich8lan(hw);
if (ret_val != E1000_SUCCESS)
break;
- hsflctl.regval = E1000_READ_FLASH_REG16(hw, ICH_FLASH_HSFCTL);
+ /* In SPT, This register is in Lan memory space, not
+ * flash. Therefore, only 32 bit access is supported
+ */
+ if (hw->mac.type >= e1000_pch_spt)
+ hsflctl.regval =
+ E1000_READ_FLASH_REG(hw, ICH_FLASH_HSFSTS)>>16;
+ else
+ hsflctl.regval =
+ E1000_READ_FLASH_REG16(hw, ICH_FLASH_HSFCTL);
/* 0b/1b corresponds to 1 or 2 byte size, respectively. */
hsflctl.hsf_ctrl.fldbcount = size - 1;
hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE;
- E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFCTL, hsflctl.regval);
+ /* In SPT, This register is in Lan memory space,
+ * not flash. Therefore, only 32 bit access is
+ * supported
+ */
+ if (hw->mac.type >= e1000_pch_spt)
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_HSFSTS,
+ hsflctl.regval << 16);
+ else
+ E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFCTL,
+ hsflctl.regval);
E1000_WRITE_FLASH_REG(hw, ICH_FLASH_FADDR, flash_linear_addr);
return ret_val;
}
+/**
+* e1000_write_flash_data32_ich8lan - Writes 4 bytes to the NVM
+* @hw: pointer to the HW structure
+* @offset: The offset (in bytes) of the dwords to read.
+* @data: The 4 bytes to write to the NVM.
+*
+* Writes one/two/four bytes to the NVM using the flash access registers.
+**/
+STATIC s32 e1000_write_flash_data32_ich8lan(struct e1000_hw *hw, u32 offset,
+ u32 data)
+{
+ union ich8_hws_flash_status hsfsts;
+ union ich8_hws_flash_ctrl hsflctl;
+ u32 flash_linear_addr;
+ s32 ret_val;
+ u8 count = 0;
+
+ DEBUGFUNC("e1000_write_flash_data32_ich8lan");
+
+ if (hw->mac.type >= e1000_pch_spt) {
+ if (offset > ICH_FLASH_LINEAR_ADDR_MASK)
+ return -E1000_ERR_NVM;
+ }
+ flash_linear_addr = ((ICH_FLASH_LINEAR_ADDR_MASK & offset) +
+ hw->nvm.flash_base_addr);
+ do {
+ usec_delay(1);
+ /* Steps */
+ ret_val = e1000_flash_cycle_init_ich8lan(hw);
+ if (ret_val != E1000_SUCCESS)
+ break;
+
+ /* In SPT, This register is in Lan memory space, not
+ * flash. Therefore, only 32 bit access is supported
+ */
+ if (hw->mac.type >= e1000_pch_spt)
+ hsflctl.regval = E1000_READ_FLASH_REG(hw,
+ ICH_FLASH_HSFSTS)
+ >> 16;
+ else
+ hsflctl.regval = E1000_READ_FLASH_REG16(hw,
+ ICH_FLASH_HSFCTL);
+
+ hsflctl.hsf_ctrl.fldbcount = sizeof(u32) - 1;
+ hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_WRITE;
+
+ /* In SPT, This register is in Lan memory space,
+ * not flash. Therefore, only 32 bit access is
+ * supported
+ */
+ if (hw->mac.type >= e1000_pch_spt)
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_HSFSTS,
+ hsflctl.regval << 16);
+ else
+ E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFCTL,
+ hsflctl.regval);
+
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_FADDR, flash_linear_addr);
+
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_FDATA0, data);
+
+ /* check if FCERR is set to 1 , if set to 1, clear it
+ * and try the whole sequence a few more times else done
+ */
+ ret_val = e1000_flash_cycle_ich8lan(hw,
+ ICH_FLASH_WRITE_COMMAND_TIMEOUT);
+
+ if (ret_val == E1000_SUCCESS)
+ break;
+
+ /* If we're here, then things are most likely
+ * completely hosed, but if the error condition
+ * is detected, it won't hurt to give it another
+ * try...ICH_FLASH_CYCLE_REPEAT_COUNT times.
+ */
+ hsfsts.regval = E1000_READ_FLASH_REG16(hw, ICH_FLASH_HSFSTS);
+
+ if (hsfsts.hsf_status.flcerr)
+ /* Repeat for some time before giving up. */
+ continue;
+ if (!hsfsts.hsf_status.flcdone) {
+ DEBUGOUT("Timeout error - flash cycle did not complete.\n");
+ break;
+ }
+ } while (count++ < ICH_FLASH_CYCLE_REPEAT_COUNT);
+
+ return ret_val;
+}
/**
* e1000_write_flash_byte_ich8lan - Write a single byte to NVM
return e1000_write_flash_data_ich8lan(hw, offset, 1, word);
}
+/**
+* e1000_retry_write_flash_dword_ich8lan - Writes a dword to NVM
+* @hw: pointer to the HW structure
+* @offset: The offset of the word to write.
+* @dword: The dword to write to the NVM.
+*
+* Writes a single dword to the NVM using the flash access registers.
+* Goes through a retry algorithm before giving up.
+**/
+STATIC s32 e1000_retry_write_flash_dword_ich8lan(struct e1000_hw *hw,
+ u32 offset, u32 dword)
+{
+ s32 ret_val;
+ u16 program_retries;
+
+ DEBUGFUNC("e1000_retry_write_flash_dword_ich8lan");
+
+ /* Must convert word offset into bytes. */
+ offset <<= 1;
+ ret_val = e1000_write_flash_data32_ich8lan(hw, offset, dword);
+
+ if (!ret_val)
+ return ret_val;
+ for (program_retries = 0; program_retries < 100; program_retries++) {
+ DEBUGOUT2("Retrying Byte %8.8X at offset %u\n", dword, offset);
+ usec_delay(100);
+ ret_val = e1000_write_flash_data32_ich8lan(hw, offset, dword);
+ if (ret_val == E1000_SUCCESS)
+ break;
+ }
+ if (program_retries == 100)
+ return -E1000_ERR_NVM;
+
+ return E1000_SUCCESS;
+}
/**
* e1000_retry_write_flash_byte_ich8lan - Writes a single byte to NVM
/* Write a value 11 (block Erase) in Flash
* Cycle field in hw flash control
*/
- hsflctl.regval =
- E1000_READ_FLASH_REG16(hw, ICH_FLASH_HSFCTL);
+ if (hw->mac.type >= e1000_pch_spt)
+ hsflctl.regval =
+ E1000_READ_FLASH_REG(hw,
+ ICH_FLASH_HSFSTS)>>16;
+ else
+ hsflctl.regval =
+ E1000_READ_FLASH_REG16(hw,
+ ICH_FLASH_HSFCTL);
hsflctl.hsf_ctrl.flcycle = ICH_CYCLE_ERASE;
- E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFCTL,
- hsflctl.regval);
+ if (hw->mac.type >= e1000_pch_spt)
+ E1000_WRITE_FLASH_REG(hw, ICH_FLASH_HSFSTS,
+ hsflctl.regval << 16);
+ else
+ E1000_WRITE_FLASH_REG16(hw, ICH_FLASH_HSFCTL,
+ hsflctl.regval);
/* Write the last 24 bits of an index within the
* block into Flash Linear address field in Flash
E1000_WRITE_REG(hw, E1000_RFCTL, reg);
/* Enable ECC on Lynxpoint */
- if (hw->mac.type == e1000_pch_lpt) {
+ if (hw->mac.type >= e1000_pch_lpt) {
reg = E1000_READ_REG(hw, E1000_PBECCSTS);
reg |= E1000_PBECCSTS_ECC_ENABLE;
E1000_WRITE_REG(hw, E1000_PBECCSTS, reg);
if ((device_id == E1000_DEV_ID_PCH_LPTLP_I218_LM) ||
(device_id == E1000_DEV_ID_PCH_LPTLP_I218_V) ||
(device_id == E1000_DEV_ID_PCH_I218_LM3) ||
- (device_id == E1000_DEV_ID_PCH_I218_V3)) {
+ (device_id == E1000_DEV_ID_PCH_I218_V3) ||
+ (hw->mac.type >= e1000_pch_spt)) {
u32 fextnvm6 = E1000_READ_REG(hw, E1000_FEXTNVM6);
E1000_WRITE_REG(hw, E1000_FEXTNVM6,
git.droids-corp.org / dpdk.git / commitdiff