8  *     http://www.apache.org/licenses/LICENSE-2.0
27 #include <phosphor-logging/lg2.hpp>
43 constexpr uint8_t I2C_SMBUS_BLOCK_MAX = 0x20;    // Max Read bytes from PSU
62 constexpr uint8_t CMD_BOOT_ISP = 0x02; // Boot the In-System Programming System.
105         if (retryProcessTwo == (MAX_RETRIES - 1))  in doUpdate()
138                     // procedure one time starting with re-writing initial ISP  in doUpdate()
173                 if ((retryProcessOne < (MAX_RETRIES - 1)) &&  in doUpdate()
174                     (retryProcessTwo < (MAX_RETRIES - 1)))  in doUpdate()
203             i2cInterface->write(KEY_REGISTER, unlockData.size(),  in writeIspKey()
235     // Attempt to set device in ISP mode with retries.  in writeIspMode()
243             i2cInterface->write(STATUS_REGISTER, CMD_BOOT_ISP);  in writeIspMode()
247             i2cInterface->read(STATUS_REGISTER, ispStatus);  in writeIspMode()
304     return false; // Failed to set ISP Mode after retries  in writeIspMode()
316             i2cInterface->write(STATUS_REGISTER,  in writeIspStatusReset()
360             i2cInterface->read(STATUS_REGISTER, ispStatus);  in writeIspStatusReset()
367             i2cInterface->write(STATUS_REGISTER,  in writeIspStatusReset()
529         // Perform I2C write/read with retries  in downloadPsuFirmware()
539     inputFile->close();  in downloadPsuFirmware()
545             "Firmware download failed after retries at FW block {BYTESREAD}",  in downloadPsuFirmware()
554     const int retries, const int delayTime)  in performI2cWriteReadWithRetries()  argument
558     for (int i = 0; i < retries; ++i)  in performI2cWriteReadWithRetries()
625     i2cInterface->processCall(regAddr, cmdBlockWrite.size(),  in performI2cWriteRead()
640         i2cInterface->read(STATUS_REGISTER, status);  in verifyDownloadFWStatus()
643             lg2::error("Firmware download failed - status: {ERR}", "ERR",  in verifyDownloadFWStatus()
665         i2cInterface->write(STATUS_REGISTER, CMD_BOOT_PWR);  in ispReboot()
683             uint8_t data = 1; // Initialize data to a non-zero value  in ispReadRebootStatus()
684             i2cInterface->read(STATUS_REGISTER, data);  in ispReadRebootStatus()
726     // If we reach here, all retries have failed  in ispReadRebootStatus()
727     lg2::error("Failed to reboot ISP status after max retries.");  in ispReadRebootStatus()