* be used internally by function which utilize ixgbe_acquire_swfw_sync_X540.
*
* @hw: pointer to hardware structure
+ *
+ * Returns a negative error code on error, or the 16-bit checksum
**/
-u16 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
+s32 ixgbe_calc_eeprom_checksum_X540(struct ixgbe_hw *hw)
{
u16 i, j;
u16 checksum = 0;
/* Include 0x0-0x3F in the checksum */
for (i = 0; i <= checksum_last_word; i++) {
- if (ixgbe_read_eerd_generic(hw, i, &word) != IXGBE_SUCCESS) {
+ if (ixgbe_read_eerd_generic(hw, i, &word)) {
DEBUGOUT("EEPROM read failed\n");
- break;
+ return IXGBE_ERR_EEPROM;
}
if (i != IXGBE_EEPROM_CHECKSUM)
checksum += word;
if (i == IXGBE_PHY_PTR || i == IXGBE_OPTION_ROM_PTR)
continue;
- if (ixgbe_read_eerd_generic(hw, i, &pointer) != IXGBE_SUCCESS) {
+ if (ixgbe_read_eerd_generic(hw, i, &pointer)) {
DEBUGOUT("EEPROM read failed\n");
- break;
+ return IXGBE_ERR_EEPROM;
}
/* Skip pointer section if the pointer is invalid. */
pointer >= hw->eeprom.word_size)
continue;
- if (ixgbe_read_eerd_generic(hw, pointer, &length) !=
- IXGBE_SUCCESS) {
+ if (ixgbe_read_eerd_generic(hw, pointer, &length)) {
DEBUGOUT("EEPROM read failed\n");
- break;
+ return IXGBE_ERR_EEPROM;
}
/* Skip pointer section if length is invalid. */
(pointer + length) >= hw->eeprom.word_size)
continue;
- for (j = pointer+1; j <= pointer+length; j++) {
- if (ixgbe_read_eerd_generic(hw, j, &word) !=
- IXGBE_SUCCESS) {
+ for (j = pointer + 1; j <= pointer + length; j++) {
+ if (ixgbe_read_eerd_generic(hw, j, &word)) {
DEBUGOUT("EEPROM read failed\n");
- break;
+ return IXGBE_ERR_EEPROM;
}
checksum += word;
}
checksum = (u16)IXGBE_EEPROM_SUM - checksum;
- return checksum;
+ return (s32)checksum;
}
/**
* EEPROM read fails
*/
status = hw->eeprom.ops.read(hw, 0, &checksum);
-
- if (status != IXGBE_SUCCESS) {
+ if (status) {
DEBUGOUT("EEPROM read failed\n");
- goto out;
+ return status;
}
- if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) ==
- IXGBE_SUCCESS) {
- checksum = hw->eeprom.ops.calc_checksum(hw);
+ if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
+ return IXGBE_ERR_SWFW_SYNC;
- /*
- * Do not use hw->eeprom.ops.read because we do not want to take
- * the synchronization semaphores twice here.
- */
- ixgbe_read_eerd_generic(hw, IXGBE_EEPROM_CHECKSUM,
- &read_checksum);
+ status = hw->eeprom.ops.calc_checksum(hw);
+ if (status < 0)
+ goto out;
- /*
- * Verify read checksum from EEPROM is the same as
- * calculated checksum
- */
- if (read_checksum != checksum) {
- status = IXGBE_ERR_EEPROM_CHECKSUM;
- ERROR_REPORT1(IXGBE_ERROR_INVALID_STATE,
- "Invalid EEPROM checksum");
- }
+ checksum = (u16)(status & 0xffff);
- /* If the user cares, return the calculated checksum */
- if (checksum_val)
- *checksum_val = checksum;
- hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
- } else {
- status = IXGBE_ERR_SWFW_SYNC;
+ /* Do not use hw->eeprom.ops.read because we do not want to take
+ * the synchronization semaphores twice here.
+ */
+ status = ixgbe_read_eerd_generic(hw, IXGBE_EEPROM_CHECKSUM,
+ &read_checksum);
+ if (status)
+ goto out;
+
+ /* Verify read checksum from EEPROM is the same as
+ * calculated checksum
+ */
+ if (read_checksum != checksum) {
+ ERROR_REPORT1(IXGBE_ERROR_INVALID_STATE,
+ "Invalid EEPROM checksum");
+ status = IXGBE_ERR_EEPROM_CHECKSUM;
}
+ /* If the user cares, return the calculated checksum */
+ if (checksum_val)
+ *checksum_val = checksum;
+
out:
+ hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
+
return status;
}
* EEPROM read fails
*/
status = hw->eeprom.ops.read(hw, 0, &checksum);
-
- if (status != IXGBE_SUCCESS) {
+ if (status) {
DEBUGOUT("EEPROM read failed\n");
return status;
}
- if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM) ==
- IXGBE_SUCCESS) {
- checksum = hw->eeprom.ops.calc_checksum(hw);
+ if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM))
+ return IXGBE_ERR_SWFW_SYNC;
- /*
- * Do not use hw->eeprom.ops.write because we do not want to
- * take the synchronization semaphores twice here.
- */
- status = ixgbe_write_eewr_generic(hw, IXGBE_EEPROM_CHECKSUM,
- checksum);
+ status = hw->eeprom.ops.calc_checksum(hw);
+ if (status < 0)
+ goto out;
- if (status == IXGBE_SUCCESS)
- status = ixgbe_update_flash_X540(hw);
- hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
- } else {
- status = IXGBE_ERR_SWFW_SYNC;
- }
+ checksum = (u16)(status & 0xffff);
+
+ /* Do not use hw->eeprom.ops.write because we do not want to
+ * take the synchronization semaphores twice here.
+ */
+ status = ixgbe_write_eewr_generic(hw, IXGBE_EEPROM_CHECKSUM, checksum);
+ if (status)
+ goto out;
+
+ status = ixgbe_update_flash_X540(hw);
+
+out:
+ hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
return status;
}
status = IXGBE_SUCCESS;
break;
}
- usec_delay(5);
+ msec_delay(5);
}
if (i == IXGBE_FLUDONE_ATTEMPTS)
return status;
}
+/**
+ * ixgbe_set_mux - Set mux for port 1 access with CS4227
+ * @hw: pointer to hardware structure
+ * @state: set mux if 1, clear if 0
+ */
+STATIC void ixgbe_set_mux(struct ixgbe_hw *hw, u8 state)
+{
+ u32 esdp;
+
+ if (!hw->phy.lan_id)
+ return;
+ esdp = IXGBE_READ_REG(hw, IXGBE_ESDP);
+ if (state)
+ esdp |= IXGBE_ESDP_SDP1;
+ else
+ esdp &= ~IXGBE_ESDP_SDP1;
+ IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp);
+ IXGBE_WRITE_FLUSH(hw);
+}
+
/**
* ixgbe_acquire_swfw_sync_X540 - Acquire SWFW semaphore
* @hw: pointer to hardware structure
* Acquires the SWFW semaphore thought the SW_FW_SYNC register for
* the specified function (CSR, PHY0, PHY1, NVM, Flash)
**/
-s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask)
+s32 ixgbe_acquire_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask)
{
- u32 swfw_sync;
- u32 swmask = mask;
- u32 fwmask = mask << 5;
- u32 hwmask = 0;
+ u32 swmask = mask & IXGBE_GSSR_NVM_PHY_MASK;
+ u32 fwmask = swmask << 5;
+ u32 swi2c_mask = mask & IXGBE_GSSR_I2C_MASK;
u32 timeout = 200;
+ u32 hwmask = 0;
+ u32 swfw_sync;
u32 i;
- s32 ret_val = IXGBE_SUCCESS;
DEBUGFUNC("ixgbe_acquire_swfw_sync_X540");
- if (swmask == IXGBE_GSSR_EEP_SM)
- hwmask = IXGBE_GSSR_FLASH_SM;
+ if (swmask & IXGBE_GSSR_EEP_SM)
+ hwmask |= IXGBE_GSSR_FLASH_SM;
/* SW only mask doesn't have FW bit pair */
- if (swmask == IXGBE_GSSR_SW_MNG_SM)
- fwmask = 0;
+ if (mask & IXGBE_GSSR_SW_MNG_SM)
+ swmask |= IXGBE_GSSR_SW_MNG_SM;
+ swmask |= swi2c_mask;
+ fwmask |= swi2c_mask << 2;
for (i = 0; i < timeout; i++) {
- /*
- * SW NVM semaphore bit is used for access to all
+ /* SW NVM semaphore bit is used for access to all
* SW_FW_SYNC bits (not just NVM)
*/
- if (ixgbe_get_swfw_sync_semaphore(hw)) {
- ret_val = IXGBE_ERR_SWFW_SYNC;
- goto out;
- }
+ if (ixgbe_get_swfw_sync_semaphore(hw))
+ return IXGBE_ERR_SWFW_SYNC;
swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC);
if (!(swfw_sync & (fwmask | swmask | hwmask))) {
IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync);
ixgbe_release_swfw_sync_semaphore(hw);
msec_delay(5);
- goto out;
- } else {
- /*
- * Firmware currently using resource (fwmask), hardware
- * currently using resource (hwmask), or other software
- * thread currently using resource (swmask)
- */
- ixgbe_release_swfw_sync_semaphore(hw);
- msec_delay(5);
+ if (swi2c_mask)
+ ixgbe_set_mux(hw, 1);
+ return IXGBE_SUCCESS;
}
+ /* Firmware currently using resource (fwmask), hardware
+ * currently using resource (hwmask), or other software
+ * thread currently using resource (swmask)
+ */
+ ixgbe_release_swfw_sync_semaphore(hw);
+ msec_delay(5);
}
/* Failed to get SW only semaphore */
if (swmask == IXGBE_GSSR_SW_MNG_SM) {
- ret_val = IXGBE_ERR_SWFW_SYNC;
ERROR_REPORT1(IXGBE_ERROR_POLLING,
"Failed to get SW only semaphore");
- goto out;
+ return IXGBE_ERR_SWFW_SYNC;
}
/* If the resource is not released by the FW/HW the SW can assume that
* of the requested resource(s) while ignoring the corresponding FW/HW
* bits in the SW_FW_SYNC register.
*/
+ if (ixgbe_get_swfw_sync_semaphore(hw))
+ return IXGBE_ERR_SWFW_SYNC;
swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC);
if (swfw_sync & (fwmask | hwmask)) {
- if (ixgbe_get_swfw_sync_semaphore(hw)) {
- ret_val = IXGBE_ERR_SWFW_SYNC;
- goto out;
- }
-
swfw_sync |= swmask;
IXGBE_WRITE_REG(hw, IXGBE_SWFW_SYNC, swfw_sync);
ixgbe_release_swfw_sync_semaphore(hw);
msec_delay(5);
+ if (swi2c_mask)
+ ixgbe_set_mux(hw, 1);
+ return IXGBE_SUCCESS;
}
/* If the resource is not released by other SW the SW can assume that
* the other SW malfunctions. In that case the SW should clear all SW
* flags that it does not own and then repeat the whole process once
* again.
*/
- else if (swfw_sync & swmask) {
- ixgbe_release_swfw_sync_X540(hw, IXGBE_GSSR_EEP_SM |
- IXGBE_GSSR_PHY0_SM | IXGBE_GSSR_PHY1_SM |
- IXGBE_GSSR_MAC_CSR_SM);
- ret_val = IXGBE_ERR_SWFW_SYNC;
+ if (swfw_sync & swmask) {
+ u32 rmask = IXGBE_GSSR_EEP_SM | IXGBE_GSSR_PHY0_SM |
+ IXGBE_GSSR_PHY1_SM | IXGBE_GSSR_MAC_CSR_SM;
+
+ if (swi2c_mask)
+ rmask |= IXGBE_GSSR_I2C_MASK;
+ ixgbe_release_swfw_sync_X540(hw, rmask);
+ ixgbe_release_swfw_sync_semaphore(hw);
+ return IXGBE_ERR_SWFW_SYNC;
}
+ ixgbe_release_swfw_sync_semaphore(hw);
-out:
- return ret_val;
+ return IXGBE_ERR_SWFW_SYNC;
}
/**
* Releases the SWFW semaphore through the SW_FW_SYNC register
* for the specified function (CSR, PHY0, PHY1, EVM, Flash)
**/
-void ixgbe_release_swfw_sync_X540(struct ixgbe_hw *hw, u16 mask)
+void ixgbe_release_swfw_sync_X540(struct ixgbe_hw *hw, u32 mask)
{
+ u32 swmask = mask & (IXGBE_GSSR_NVM_PHY_MASK | IXGBE_GSSR_SW_MNG_SM);
u32 swfw_sync;
- u32 swmask = mask;
DEBUGFUNC("ixgbe_release_swfw_sync_X540");
+ if (mask & IXGBE_GSSR_I2C_MASK) {
+ swmask |= mask & IXGBE_GSSR_I2C_MASK;
+ ixgbe_set_mux(hw, 0);
+ }
ixgbe_get_swfw_sync_semaphore(hw);
swfw_sync = IXGBE_READ_REG(hw, IXGBE_SWFW_SYNC);
git.droids-corp.org / dpdk.git / blobdiff